bluuebunny/crossref_metadata_2025 huggingface dataset:
Silencing the epidermal growth factor receptor gene with RNAi may be developed as a potential therapy for non small cell lung cancer
Authors: Zhang Min , Zhang Xin , Bai Chun-Xue , Song Xian-Rang , Chen Jie , Gao Lei , Hu Jie , Hong Qun-Ying , West Malcolm J , Wei Ming Q
Published: June 2005

Lung cancer has emerged as a leading cause of cancer death in the world. Non-small cell lung cancer (NSCLC) accounts for 75–80% of all lung cancers. Current therapies are ineffective, thus new approaches are needed to improve the therapeutic ratio. Double stranded RNA (dsRNA) -mediated RNA interference (RNAi) has shown promise in gene silencing, the potential of which in developing new methods for the therapy of NSCLC needs to be tested. We report here RNAi induced effective silencing of the epidermal growth factor receptor (EGFR) gene, which is over expressed in NSCLC. NSCLC cell lines A549 and SPC-A1 were transfected with sequence- specific dsRNA as well as various controls. Immune fluorescent labeling and flow cytometry were used to monitor the reduction in the production of EGFR protein. Quantitative reverse-transcriptase PCR was used to detect the level of EGFR mRNA. Cell count, colony assay, scratch assay, MTT assay in vitro and tumor growth assay in athymic nude mice in vivo were used to assess the functional effects of EGFR silencing on tumor cell growth and proliferation. Our data showed transfection of NSCLC cells with dsRNA resulted in sequence specific silencing of EGFR with 71.31% and 71.78 % decreases in EGFR protein production and 37.04% and 54.92% in mRNA transcription in A549 and SPC-A1 cells respectively. The decrease in EGFR protein production caused significant growth inhibition, i.e.: reducing the total cell numbers by 85.0% and 78.3 %, and colony forming numbers by 63.3% and 66.8%. These effects greatly retarded the migration of NSCLC cells by more than 80% both at 24 h and at 48 h, and enhanced chemo-sensitivity to cisplatin by four-fold in A549 cells and seven-fold in SPC-A1. Furthermore, dsRNA specific for EGFR inhibited tumor growth in vivo both in size by 75.06 % and in weight by 73.08 %. Our data demonstrate a new therapeutic effect of sequence specific suppression of EGFR gene expression by RNAi, enabling inhibition of tumor proliferation and growth. However, in vivo use of dsRNA for gene transfer to tumor cells would be limited because dsRNA would be quickly degraded once delivered in vivo. We thus tested a new bovine lentiviral vector and showed lentivector-mediated RNAi effects were efficient and specific. Combining RNAi with this gene delivery system may enable us to develop RNAi for silencing EGFR into an effective therapy for NSCLC.
Wearable feedback systems for rehabilitation
Authors: Sung Michael , Marci Carl , Pentland Alex
Published: June 2005

In this paper we describe LiveNet, a flexible wearable platform intended for long-term ambulatory health monitoring with real-time data streaming and context classification. Based on the MIT Wearable Computing Group's distributed mobile system architecture, LiveNet is a stable, accessible system that combines inexpensive, commodity hardware; a flexible sensor/peripheral interconnection bus; and a powerful, light-weight distributed sensing, classification, and inter-process communications software architecture to facilitate the development of distributed real-time multi-modal and context-aware applications. LiveNet is able to continuously monitor a wide range of physiological signals together with the user's activity and context, to develop a personalized, data-rich health profile of a user over time. We demonstrate the power and functionality of this platform by describing a number of health monitoring applications using the LiveNet system in a variety of clinical studies that are underway. Initial evaluations of these pilot experiments demonstrate the potential of using the LiveNet system for real-world applications in rehabilitation medicine.
Psychiatric hospitalisation and suicide among the very old in Denmark: Population-based register study
Authors: Erlangsen Annette , Mortensen Preben Bo , Vach Werner , Jeune Bernard
Published: June 2005

Background

Very old people have higher suicide rates than the younger elderly population. Psychiatric disorders are known to have a strong association with suicide among elderly people.

Aims

To analyse the suicide risk associated with psychiatric hospitalisation among the very old (⩾80 years) compared with the middle-aged (50–64 years) and old (65–79 years) populations.

Method

Individual-level data on the entire Danish population aged 50 years or over were analysed for the period 1994–1998. Relative suicide risks were calculated using event-history analysis.

Results

Among 1 978 527 persons, 2323 died by suicide. Although the very old group exhibited a four-fold to five-fold increase in risk of suicide for those previously hospitalised, we noted an inverse interaction effect: the increase is distinctly smaller compared with that in the middle-aged and old groups.

Conclusions

The association between suicide and psychiatric hospitalisation is much weaker for the very old than for the old. Psychiatric disorders among very old people may be interacting with other disorders, may be underdiagnosed or treated in other healthcare settings.
Involving carers and service users in the training of psychiatrists
Authors: Fadden Gráinne , Shooter Mike , Holsgrove Gareth
Published: June 2005

In June 2005 it became mandatory for psychiatric trainees to receive training directly from people who experience mental health problems and their carers. This will be checked on approval visits to all training schemes, and accreditation may be withheld until this aspect of training is in place. For many of those who are responsible for training, this may be a new undertaking. We outline some of the issues that trainers need to consider when involving service users and carers in their training programmes, including background issues, how to prepare both those delivering and those receiving training, and logistical considerations. It is hoped that this paper will alert trainers to issues that need to be considered if such training is to be successful.
Interventions to Enhance Physical and Psychological Functioning Among Younger Women Who Are Ending Nonhormonal Adjuvant Treatment for Early-Stage Breast Cancer
Authors: Scheier Michael F. , Helgeson Vicki S. , Schulz Richard , Colvin Suzanne , Berga Sarah , Bridges Michael W. , Knapp Judy , Gerszten Kristina , Pappert William Scott
Published: June 2005

Purpose

To conduct a clinical trial to determine if an educational intervention and a nutritional intervention could enhance physical and psychological functioning among younger women completing treatment for early-stage breast cancer.

Patients and Methods

Younger women (50 years of age or younger, N = 252), within 2 months of having completed active nonhormonal adjuvant therapy, diagnosed with stage 0, I, or II breast cancer with 10 or fewer positive lymph nodes were randomly assigned to a three-arm clinical trial. Women in the control arm of the trial received standard medical care. Women in the two active arms received either an educational intervention, designed to provide information about their illness and enhance adjustment, or a nutritional intervention, designed to promote a more healthy diet. Primary end points included mental functioning, physical functioning, and depressive symptoms. Women were assessed before random assignment, 4 months later (immediately postintervention), and 13 months later (9 months postintervention).

Results

Participants assigned to the two active treatment arms had significantly less depressive symptomatology and better physical functioning by 13-month follow-up (differences between the two active arms were nonsignificant). These effects were primarily accounted for by changes in intrusive thoughts, concerns regarding cancer recurrence and mortality, self-concept perceptions, and self-efficacy expectations.

Conclusion

Tailored psychosocial interventions can be effectively designed to enhance adjustment among younger women who are completing nonhormonal adjuvant therapy.
Phase I/II Study of Galiximab, an Anti-CD80 Antibody, for Relapsed or Refractory Follicular Lymphoma
Authors: Czuczman Myron S. , Thall Aron , Witzig Thomas E. , Vose Julie M. , Younes Anas , Emmanouilides Christos , Miller Thomas P. , Moore Joseph O. , Leonard John P. , Gordon Leo I. , Sweetenham John , Alkuzweny Baha , Finucane Deborah M. , Leigh Bryan R.
Published: June 2005

Purpose

This multicenter, dose-escalation study evaluates the safety, pharmacokinetics, and efficacy of galiximab (anti-CD80 monoclonal antibody) in patients with relapsed or refractory follicular lymphoma.

Patients and Methods

Patients had follicular lymphoma that had relapsed or failed to respond to primary therapy; the majority (90%) presented with stage III or IV disease. Four weekly intravenous infusions of galiximab were administered at doses of 125, 250, 375, or 500 mg/m2.

Results

Thirty-seven patients received galiximab treatment and were evaluated for safety; 35 were assessable for response. Antibody infusions were safe and well tolerated with no dose-limiting toxicities. A total of 22 (60%) of 37 patients experienced adverse events related to galiximab. All but one of the events were grade 1 or 2; the most common were fatigue, nausea, and headache. Cytopenias were rare; only one patient experienced anemia and febrile neutropenia, which were unrelated to galiximab and resolved after treatment. No patient developed antigaliximab antibody formation. The mean serum half-life ranged from 13 to 24 days. The overall response rate was 11% (two complete responses and two partial responses). Time to best response was delayed (months 3, 6, 9, and 12). Twelve patients (34%) maintained stable disease. Nearly half of all patients (49%) had a decrease in indicator lesions. Two responders remain on study without progression (22 and 24.4 months).

Conclusion

The favorable safety profile of galiximab and evidence of single-agent biologic activity and dose-dependent pharmacokinetics support further evaluation of galiximab as a treatment for follicular lymphoma, possibly in combination with other lymphoma therapies.
Forkhead box A1 regulates prostate ductal morphogenesis and promotes epithelial cell maturation
Authors: Gao Nan , Ishii Kenichiro , Mirosevich Janni , Kuwajima Satoru , Oppenheimer Stacey R. , Roberts Richard L. , Jiang Ming , Yu Xiuping , Shappell Scott B. , Caprioli Richard M. , Stoffel Markus , Hayward Simon W. , Matusik Robert J.
Published: June 2005

We have previously shown that a forkhead transcription factor Foxa1 interacts with androgen signaling and controls prostate differentiated response. Here, we show the mouse Foxa1 expression marks the entire embryonic urogenital sinus epithelium (UGE), contrasting with Shh and Foxa2, which are restricted to the basally located cells during prostate budding. The Foxa1-deficient mouse prostate shows a severely altered ductal pattern that resembles primitive epithelial cords surrounded by thick stromal layers. Characterization of these mutant cells indicates a population of basal-like cells similar to those found in the embryonic UGE, whereas no differentiated or mature luminal epithelial cells are found in Foxa1-deficient epithelium. These phenotypic changes are accompanied with molecular aberrations, including focal epithelial activation of Shh and elevated Foxa2 and Notch1 in the null epithelium. Perturbed epithelial-stromal interactions induced by Foxa1-deficient epithelium is evident, as demonstrated by the expansion of surrounding smooth muscle and elevated levels of stromal factors (Bmp4, Fgf7,Fgf10 and Gli). The prostatic homeobox protein Nkx3.1, a known proliferation inhibitor, was downregulated in Foxa1-deficient epithelial cells, while several prostate-specific androgen-regulated markers, including a novel Foxa1 target, are absent in the null prostate. These data indicate that Foxa1 plays a pivotal role in controlling prostate morphogenesis and cell differentiation.
New ligase-derived RNA polymerase ribozymes
Authors: LAWRENCE MICHAEL S. , BARTEL DAVID P.
Published: June 2005

The search is underway for a catalytic RNA molecule capable of self-replication. Finding such a ribozyme would lend crucial support to the RNA World hypothesis, which holds that very early life-forms relied on RNA for both replicating and storing genetic information. We previously reported an RNA polymerase isolated from a pool of variants of an existing RNA ligase ribozyme. Here we report eight additional ligase-derived polymerase ribozymes isolated from this pool. Because each of them is a new potential starting point for further in vitro evolution and engineering, together they substantially enrich the set of candidates from which an RNA replicase ribozyme might eventually emerge.
Genome-wide analyses of two families of snoRNA genes from Drosophila melanogaster, demonstrating the extensive utilization of introns for coding of snoRNAs
Authors: HUANG ZHAN-PENG , ZHOU HUI , HE HUA-LIANG , CHEN CHUN-LONG , LIANG DAN , QU LIANG-HU
Published: June 2005

Small nucleolar RNAs (snoRNAs) are an abundant group of noncoding RNAs mainly involved in the post-transcriptional modifications of rRNAs in eukaryotes. In this study, a large-scale genome-wide analysis of the two major families of snoRNA genes in the fruit fly Drosophila melanogaster has been performed using experimental and computational RNomics methods. Two hundred and twelve gene variants, encoding 56 box H/ACA and 63 box C/D snoRNAs, were identified, of which 57 novel snoRNAs have been reported for the first time. These snoRNAs were predicted to guide a total of 147 methylations and pseudouridylations on rRNAs and snRNAs, showing a more comprehensive pattern of rRNA modification in the fruit fly. With the exception of nine, all the snoRNAs identified to date in D. melanogaster are intron encoded. Remarkably, the genomic organization of the snoRNAs is characteristic of 8 dUhg genes and 17 intronic gene clusters, demonstrating that distinct organizations dominate the expression of the two families of snoRNAs in the fruit fly. Of the 267 introns in the host genes, more than half have been identified as host introns for coding of snoRNAs. In contrast to mammals, the variation in size of the host introns is mainly due to differences in the number of snoRNAs they contain. These results demonstrate the extensive utilization of introns for coding of snoRNAs in the host genes and shed light on further research of other noncoding RNA genes in the large introns of the Drosophila genome.
Induced fit of RNA on binding the L7Ae protein to the kink-turn motif
Authors: TURNER BEN , MELCHER SONYA E. , WILSON TIMOTHY J. , NORMAN DAVID G. , LILLEY DAVID M.J.
Published: June 2005

The kink-turn is a widespread motif in RNA consisting of a three-nucleotide bulge flanked on one side by consecutive A3G mismatches. Important examples are found in the ribosome, U4 RNA, and in snoRNAs involved in RNA modification. The motif is a common protein binding site, and the RNA has been found to adopt a tightly kinked conformation in crystal structures. However, in free solution there is a dynamic exchange between kinked and extended conformations, with the equilibrium driven toward the kinked form by the addition of metal ions. Here we used fluorescence resonance energy transfer (FRET) to show that the L7Ae protein of Archaeoglobus fulgidus binds to RNA containing a kink-turn with nanomolar affinity, and induces folding into the tightly kinked conformation even in the absence of metal ions. Thus this RNA may act as a relatively flexible hinge during RNA folding, until fixed into its ultimate kinked structure by the binding of L7 or related protein.
Biochemical and genomic analysis of substrate recognition by the double-stranded RNA binding domain of yeast RNase III
Authors: HENRAS ANTHONY K. , SAM MUI , HILEY SHAWNA L. , WU HAIHONG , HUGHES TIMOTHY R. , FEIGON JULI , CHANFREAU GUILLAUME F.
Published: June 2005

Members of the RNase III family of double-stranded RNA (dsRNA) endonucleases are important enzymes of RNA metabolism in eukaryotic cells. Rnt1p is the only known member of the RNase III family of endonucleases in Saccharomyces cerevisiae. Previous studies have shown that Rnt1p cleaves dsRNA capped by a conserved AGNN tetraloop motif, which is a major determinant for Rnt1p binding and cleavage. The solution structure of the dsRNA-binding domain (dsRBD) of Rnt1p bound to a cognate RNA substrate revealed the structural basis for binding of the conserved tetraloop motif by α-helix 1 of the dsRBD. In this study, we have analyzed extensively the effects of mutations of helix 1 residues that contact the RNA. We show, using microarray analysis, that mutations of these amino acids induce substrate-specific processing defects in vivo. Cleavage kinetics and binding studies show that these mutations affect RNA cleavage and binding in vitro to different extents and suggest a function for some specific amino acids of the dsRBD in the catalytic positioning of the enzyme. Moreover, we show that 2′-hydroxyl groups of nucleotides of the tetraloop or adjacent base pairs predicted to interact with residues of α-helix 1 are important for Rnt1p cleavage in vitro. This study underscores the importance of a few amino acid contacts for positioning of a dsRBD onto its RNA target, and implicates the specific orientation of helix 1 on the RNA for proper positioning of the catalytic domain.
Characterization of a highly variable eutherian microRNA gene
Authors: HOUBAVIY HRISTO B. , DENNIS LUCAS , JAENISCH RUDOLF , SHARP PHILLIP A.
Published: June 2005

Mouse microRNAs (miRNAs) miR-290–miR295 are encoded by a cluster of partially homologous pre-miRNA hairpins and are likely to be functionally important in embryonic stem (ES) cells and preimplantation embryos. We present evidence that a spliced, capped, and polyadenylated primary transcript spans this entire Early Embryonic microRNA Cluster (EEmiRC). Partial Drosha processing yields additional large nuclear RNA intermediates. A conserved promoter element containing a TATA-box directs EEmiRC transcription. Sequence analysis shows that the EEmiRC transcription unit is remarkably variable and can only be identified bioinformatically in placental (eutherian) mammals. Consistent with eutherian-specific function, EEmiRC is expressed in trophoblastic stem (TS) cells. When analyzing evolutionary and functional relationships, the organization of the entire miRNA loci should be considered in addition to the mature miRNA sequences. Application of this concept suggests that EEmiRC is a recently acquired rapidly evolving gene important for eutherian development.
Biophysical studies of a synthetic mimic of the apoptosis‐detecting protein annexin v
Authors: Koulov Atanas V. , Hanshaw Roger G. , Stucker Kenneth A. , Lakshmi C. , Smith Bradley D.
Published: June 2005

A Zn2+‐dipicolylamine coordination compound is shown to sense the presence of anionic phospholipids in a membrane bilayer. The sensor contains two dipicolylamine subunits attached to an anthracene scaffold, which exhibits a maximum absorbance at 380 nm, and undergoes an enhancement in fluorescence intensity when exposed to membranes enriched in phosphatidylserine. For these reasons, the compound is referred to as PSS‐380 (Phosphatidylserine Sensor, 380 nm). The fluorescence emission of PSS‐380 is enhanced up to tenfold by the presence of vesicles containing the anionic phospholipids phosphatidylserine, phosphatidylglycerol, or phosphatidic acid. No enhancement in fluorescence is observed upon exposure to vesicles containing only zwitterionic phosphatidylcholine, or exposure to monodispersed (non‐aggregated) anionic phospholipids. The sensing effect is cooperative; not only does association to the vesicles increase if the vesicles have raised levels of anionic phospholipid, but the maximum fluorescence at sensor saturation is also enhanced. It appears that sensing is triggered by the three‐component self‐assembly of sensor, Zn2+, and the anionic membrane surface, which leads to diminished photo‐induced electron transfer (PET) quenching. The utility of PSS‐380 in flow cytometry and fluorescence microscopy is demonstrated by using the molecule to detect the appearance of phosphatidylserine on the plasma membrane surface of various cell lines. Thus, PSS‐380 can identify apoptotic cells in the same way as the commonly used protein reagent annexin V.
Formation and applications of stable 10 nm to 500 nm supramolecular porphyrinic materials
Authors: Drain Charles Michael , Bazzan Giorgio , Milic Tatjana , Vinodu Mikki , Goeltz John C.
Published: June 2005

Nanoscaled materials of organic dyes are of interest for a variety of potential applications because of the rich photonic properties that this class of molecules can impart. One mode to form such nanoscaled materials is via self‐organization and self‐assembly, using reasonably well understood methods in supramolecular chemistry. But there are inherent complexities that arise from the use of organic‐based supramolecular materials, including stability toward dioxygen, structural stability, and nanoarchitectures that may change with environmental conditions. Porphyrinoids have rich photonic properties yet are remarkably stable, have a rigid core, are readily functionalized, and metalation of the macrocycle can impart a plethora of optical, electronic, and magnetic properties. While there are many <10 nm porphyrinic assemblies, which may or may not self‐organize into crystals, there is a paucity of 10–500 nm porphyrinic materials that can be isolated and stored. A variety of strategies towards the latter nanoscopic porphyrinic materials are discussed in terms of design, construction, and nanoarchitecture. The hierarchical structures include colloids, nanorods, nanotubes, nanorings, and nano‐crystalline materials. This prolegomenon emphasizes the supramolecular chemistry, structure‐stability, and structure‐function relationships. The goal herein is to examine general trends and delineate general principles.
Dynamic equilibrium of self‐assembled cyclic trimer and tetramer of 1‐methyl‐5‐imidazolylcobalt(III)porphyrin
Authors: Tanaka Akira , Ryuno Aya , Okada Saori , Satake Akiharu , Kobuke Yoshiaki
Published: June 2005

Dynamic equilibrium of self‐assembled multi‐porphyrin systems is of interest in obtaining switchable photoresponsive material, but rarely reported. 1‐methyl‐5‐imidazolylcobalt(III)porphyrin (1Co) synthesized here assembled automatically into cyclic trimer and tetramer by intermolecular imidazolyl‐cobalt(III) coordination. The trimer‐tetramer equilibrium was dependent on concentration and solvent, as examined by NMR spectrometry. In CDCl3, the tetramer formation was favored at high concentrations, as the ratio of the trimer to the tetramer was 1:2 at 14.8 mM 1Co, and shifted to 1:8 at 74 mM. Further, when the sample was concentrated from a CHCl3 solution to dryness, the ratio increased to 1:24 on dissolution. In CD3OD, on the other hand, only the trimer was observed in the wide concentration range. Accordingly, both the trimeric and the tetrameric structures could be prepared selectively by the choice of concentration and solvent.
Synthesis and characterization of fully conjugated porphyrin tapes
Authors: Ikeue Takahisa , Aratani Naoki , Osuka Atsuhiro
Published: June 2005

meso‐meso, ß‐ß, ß‐ß Triply‐linked zinc(II) porphyrin tapes were synthesized by powerful oxidation of meso‐meso‐linked zinc(II) porphyrin arrays up to tetramers with DDQ‐Sc(OTf)3. Coordination of butylamine to zinc(II) ions of porphyrin rings dissociates their aggregation, resulting in clear NMR spectra and sharper red‐shifted absorption bands.
Seasonal Movement and Habitat Use by Subadult Bull Trout in the Upper Flathead River System, Montana
Authors: Muhlfeld Clint C. , Marotz Brian
Published: June 2005

Despite the importance of large-scale habitat connectivity to the threatened bull trout Salvelinus confluentus, little is known about the life history characteristics and processes influencing natural dispersal of migratory populations. We used radiotelemetry to investigate the seasonal movements and habitat use by subadult bull trout (i.e., fish that emigrated from natal streams to the river system) tracked for varying durations from 1999 to 2002 in the upper Flathead River system in northwestern Montana. Telemetry data revealed migratory (N = 32 fish) and nonmigratory (N = 35 fish) behavior, indicating variable movement patterns in the subadult phase of bull trout life history. Most migrating subadults (84%) made rapid or incremental downriver movements (mean distance, 33 km; range, 6–129 km) to lower portions of the river system and to Flathead Lake during high spring flows and as temperatures declined in the fall and winter. Bull trout subadults used complex daytime habitat throughout the upper river system, including deep runs that contained unembedded boulder and cobble substrates, pools with large woody debris, and deep lake-influenced areas of the lower river system. Our results elucidate the importance of maintaining natural connections and a diversity of complex habitats over a large spatial scale to conserve the full expression of life history traits and processes influencing the natural dispersal of bull trout populations. Managers should seek to restore and enhance critical river corridor habitat and remove migration barriers, where possible, for recovery and management programs.
Sex differences in cell death
Authors: Li Hong , Pin Scott , Zeng Zhiyuan , Wang Michael M. , Andreasson Katrin A. , McCullough Louise D.
Published: June 2005

Female patients experience substantial neuroprotection after experimental stroke compared with male patients, a finding attributed to the protective effects of gonadal hormones. This study examined the response of male‐ and female‐derived organotypic hippocampal slices to oxidative and excitotoxic injury. Both oxygen and glucose deprivation and N‐methyl‐D‐aspartic acid exposure led to neuronal death; however, female‐derived cultures sustained less injury than male‐derived cultures. Cell death after oxygen and glucose deprivation was ameliorated in male cultures, but not female cultures, by the addition of 7‐nitroindazole, a neuronal nitric oxide synthase inhibitor. These studies have relevance to researchers investigating neuroprotective agents in mixed sex experiments. Ann Neurol 2005
Structural Characterization of Lithium Gallium Phosphates, Analogous to the Amblygonite—Montebrasite Series.
Authors: Beitone Lionel , Guillou Nathalie , Millange Franck , Loiseau Thierry , Ferey Gerard
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Tetrastrontium Dimanganese Copper Nonaoxide, Sr4Mn2CuO9.
Authors: El Abed Ahmed , Gaudin Etienne , Darriet Jacques
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
A New Hexagonal 12‐Layer Perovskite‐Related Structure: Ba6Ln2Ti4O17 (Ln: Nd and Y).
Authors: Kuang Xiaojun , Jing Xiping , Loong Chun‐K. , Lachowski Eric E. , Skakle J. M. S. , West Anthony R.
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Bismuth(III) Bis(trifluoromethanesulfonyl)amide.
Authors: Picot Alexandre , Repichet Sigrid , Le Roux Christophe , Dubac Jacques , Roques Nicolas
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
A Highly Enantioselective Catalytic Intramolecular Stetter Reaction.
Authors: Kerr Mark S. , Read de Alaniz Javier , Rovis Tomislav
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Nucleophilic Addition to 1,2‐Dimethyl‐3‐arylsulfonyl‐4,5‐dihydroimidazolium Iodides.
Authors: Xia Chizhong , Chen Jianxin , Wang Hongxing , Kang Congmin , Zhao Bingjun , Ni Yanping , Zhou Peiwen
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Lewis Acid Promoted Cyclization of Enyne Triesters and Diesters.
Authors: Yamazaki Shoko , Yamada Kuriko , Yamabe Shinichi , Yamamoto Kagetoshi
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Stereoselective Synthesis of Tri‐ and Tetrasubstituted Olefins by Tandem Cyclization Addition Reactions Featuring Vinyl Radicals.
Authors: Gansaeuer Andreas , Pierobon Marianna , Bluhm Harald
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Copper(I)‐Catalyzed Addition of Trifluoromethylated Benzyl Radicals Derived from Aryltrifluoroethyl Bromides to Terminal Olefins.
Authors: Okano Takashi , Sugiura Hirokazu , Fumoto Masataka , Matsubara Hiroyoshi , Kusukawa Takahiro , Fujita Makoto
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
New Method of Fluorination Using Potassium Fluoride in Ionic Liquid: Significantly Enhanced Reactivity of Fluoride and Improved Selectivity.
Authors: Kim Dong Wook , Song Choong Eui , Chi Dae Yoon
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Reaction of Terminal Alkynes with Hydrazines to Give Nitriles, Catalyzed by TpRuCl(PPh3)2: Novel Catalytic Transformation Involving a Vinylidene Ruthenium Intermediate.
Authors: Fukumoto Yoshiya , Dohi Toshifumi , Masaoka Hideo , Chatani Naoto , Murai Shinji
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Friedel—Crafts Reaction Catalyzed by Perfluorinated Rare Earth Metals.
Authors: Shi Min , Cui Shi‐Cong
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Synthesis and Conformational Behavior of New Intra‐annularly Linked Cyclophane Possessing a 1,6‐Dioxahexa‐2,4‐diyne Spacer.
Authors: Rajakumar Perumal , Murali Venghatraghavan
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Amano PS Catalyzed Methanolysis of Maleimides: An Efficient Synthesis of Methyl Maleanilates.
Authors: Easwar Srinivasan , Argade Narshinha P.
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Enantioselective Synthesis of Cyclopentenones via Rhodium‐Catalyzed Kinetic Resolution and Desymmetrization of 4‐Alkynals.
Authors: Tanaka Ken , Fu Gregory C.
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
A Chiral Acrylate Equivalent for Metal‐Free Diels—Alder Reactions: endo‐2‐Acryloylisoborneol.
Authors: Palomo Claudio , Oiarbide Mikel , Garcia Jesus M. , Gonzalez Alberto , Lecumberri Ainara , Linden Anthony
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Regio‐ and Stereoselective Synthesis of Homoallylic Alcohols Based on the Use of (3‐Chloroprop‐1‐en‐1‐yl)boronates.
Authors: Lombardo Marco , Morganti Stefano , Tozzi Massimo , Trombini Claudio
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Non‐phosgene Synthesis of Benzyl Chloroformate (CbzCl).
Authors: Mizuno Takumi , Takahashi Junko , Ogawa Akiya
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Transformation of β‐Nitrostyrenes to Carboxylic Acids Using Amberlyst A‐26 Supported Hydroperoxide.
Authors: Lakouraj Moslem M. , Movassagh Barahman , Bahrami Kyumars
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Solvent‐Free Synthesis of Acyl Thiosemicarbazides with Microwave Activation.
Authors: Li Jian‐Ping , Luo Qian‐Fu , Wang Yu‐Lu
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Anodic Oxidation of Benzil Hydrazones in the Presence of Halide Ions.
Authors: Okimoto Mitsuhiro , Takahashi Yukio
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
A Convenient Synthesis of 2‐Amino‐1,3,3‐tricyano‐5‐nitro‐4,6‐diarylcyclohexenes Catalyzed by KF‐Alumina.
Authors: Shi Daqing , Tu Shujiang , Yao Changsheng , Wang Xiangshan , Wang Yucheng
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Highly Enantioselective Rh‐Catalyzed Intramolecular Alder‐Ene Reactions for the Syntheses of Chiral Tetrahydrofurans.
Authors: Lei Aiwen , He Minsheng , Wu Shulin , Zhang Xumu
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Remarkably Stable Tetrahedral Intermediates: Carbinols from Nucleophilic Additions to N‐Acylpyrroles.
Authors: Evans David A. , Borg George , Scheidt Karl A.
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Asymmetric Synthesis of Densely Functionalized Pyrazolidines and 1,3‐Diamines.
Authors: Chauveau A. , Martens T. , Bonin M. , Micouin L. , Husson H.‐P.
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
The Effects of Lewis Acid on the 1,3‐Dipolar Cycloaddition Reaction of C‐Arylaldonitrones with Alkenes.
Authors: Shimizu Tomio , Ishizaki Masaya , Nitada Nobuo
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Photoreaction of Cinnamate with Nitrogen Monoxide Catalyzed by Metallosalen Complexes.
Authors: Furusho Yoshio , Sohgawa Yow‐hei , Kihara Nobuhiro , Takata Toshikazu
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Studies in Sigmatropic Rearrangement: Thermal Rearrangement of 3‐Prop‐2′‐ynyloxybenzothiapyran‐4‐ones.
Authors: Majumdar K. C. , Roy B.
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Synthesis of Highly Substituted 1,6‐Naphthyridines: A Reinvestigation.
Authors: Veverkova Eva , Noskova Marika , Toma Stefan
Published: June 2005

For Abstract see ChemInform Abstract in Full Text.
Preparation of Quinolines Substituted at the 2 or 3 Position by an Alkenyl or Alkynyl Chain.
Authors: Fakhfakh Mohamed A. , Franck Xavier , Fournet Alian , Hocquemiller Reynald , Figadere Bruno
Published: June 2005

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Synthesis and Biological Evaluation of 7‐Azaindolocarbazoles.
Authors: Routier Sylvain , Ayerbe Nathalie , Merour Jean‐Yves , Coudert Gerard , Bailly Christian , Pierre Alain , Pfeiffer Bruno , Caignard Daniel‐Henri , Renard Pierre
Published: June 2005

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Bis(lactone)‐Annulated 4H‐pyranes and 1,4‐Dihydropyridines from 3,3′‐(Nitrobenzylidene)‐bistetronic Acids.
Authors: Goerlitzer K. , Trittmacher J. , Bartke U.
Published: June 2005

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A Novel and Efficient Synthesis of 4‐Phenyl‐2‐chloropyrimidines from Acetophenone Cyanoimines.
Authors: Cuccia Salvatore J. , Fleming Linda B. , France Donald J.
Published: June 2005

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An Efficient One‐Pot Synthesis of 6‐Alkoxy‐8,9‐dialkylpurines via Reaction of 5‐Amino‐4‐chloro‐6‐alkylaminopyrimidines with N,N‐Dimethylalkaneamides and Alkoxide Ions.
Authors: Baraldi Pier Giovanni , Broceta Asier Unciti , Pineda de las Infantas Maria Jose , Diaz Mochum Juan Jose , Espinosa Antonio , Romagnoli Romeo
Published: June 2005

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Synthesis and Properties of 6‐Amino‐7‐hetaryl‐5‐R‐5H‐pyrrolo[2,3‐b]pyrazine‐2,3‐dicarbonitriles.
Authors: Volovenko Yu. M. , Dubinina G. G.
Published: June 2005

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Synthesis and Structure—Activitiy Relationships of 4‐Amino‐5‐chloro‐N‐ (1,4‐dialkylhexahydro‐1,4‐diazepin‐6‐yl)‐2‐methoxybenzamide Derivatives, Novel and Potent Serotonin 5‐HT3 and Dopamine D2 Receptors Dual Antagonist.
Authors: Hirokawa Yoshimi , Harada Hiroshi , Yoshikawa Takashi , Yoshida Naoyuki , Kato Shiro
Published: June 2005

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Addition of Ureas to Arynes: Straightforward Synthesis of Benzodiazepine and Benzodiazocine Derivatives.
Authors: Yoshida Hiroto , Shirakawa Eiji , Honda Yuki , Hiyama Tamejiro
Published: June 2005

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Synthesis and Functionalization of Thiophene Congeners of Troeger′s Base.
Authors: Kobayashi Tomoshige , Moriwaki Takashi , Tsubakiyama Masaya , Yoshida Shihori
Published: June 2005

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Strained Silacycles in Organic Synthesis: The Tandem Aldol—Allylation Reaction.
Authors: Wang Xiaolun , Meng Qinglin , Nation Andrew J. , Leighton James L.
Published: June 2005

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Studies Toward the Synthesis of α‐Fluorinated Phosphonates via Tin‐Mediated Cleavage of α‐Fluoro‐α‐(pyrimidin‐2‐ylsulfonyl)alkylphosphonates. Intramolecular Cyclization of the α‐Phosphonyl Radicals.
Authors: Wnuk Stanislaw F. , Bergolla Luis A. , Garcia Jr. Pedro I.
Published: June 2005

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A Simple and Efficient Preparation of (Arylphosphinyl)methylphosphonates.
Authors: Luke George P. , Shakespeare William C.
Published: June 2005

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Stereoselective Synthesis of Some Novel Heterocyclic Estrone Derivatives by Intramolecular 1,3‐Dipolar Cycloaddition.
Authors: Frank Eva , Woelfing Janos , Aukszi Beatrix , Koenig Verena , Schneider Thomas R. , Schneider Gyula
Published: June 2005

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Preparations of Heterospirostanols and Their Pharmacological Activities.
Authors: Quan Hang‐Ji , Koyanagi Jyunichi , Ohmori Koichi , Uesato Shinichi , Tsuchido Tetsuaki , Saito Setsuo
Published: June 2005

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Synthesis of Novel Mimetics of CMP‐Sialic Acid as the Inhibitors of Sialyltransferases.
Authors: Tanaka Toru , Ozawa Machiko , Miura Tsuyoshi , Inazu Toshiyuki , Tsuji Shuichi , Kajimoto Tetsuya
Published: June 2005

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Iridoids from Phlomis aurea Decne Growing in Egypt
Authors: Aboutabl E. A. , Meselhy M. R. , Afifi M. S.
Published: June 2005

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Synthesis of [5′‐13C]Ribonucleosides and 2′‐Deoxy[5′‐13C]ribonucleosides.
Authors: Kawashima Etsuko , Umabe Kaoru , Sekine Takeshi
Published: June 2005

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New Lignans from the Heartwood of Chamaecyparis obtusa var. formosana
Authors: Kuo Yueh‐Hsiung , Chen Chia‐Hsien , Lin Yun‐Lian
Published: June 2005

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Marine Bacteria. Part 13. Phytotoxic Arylethylamides from Limnic Bacteria Using a Screening with Microalgae.
Authors: Maskey Rajendra P. , Asolkar Ratnakar N. , Kapaun Edwin , Wagner‐Doebler Irene , Laatsch Hartmut
Published: June 2005

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Structure of Aspochalasin H, a New Member of the Aspochalasin Family.
Authors: Tomikawa Taijiro , Shin‐Ya Kazuo , Seto Haruo , Okusa Noriyuki , Kajiura Takayuki , Hayakawa Yoichi
Published: June 2005

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Re‐revision of the Stereo Structure of Piperidine Lactone, an Intermediate in the Synthesis of Febrifugine.
Authors: Takeuchi Yasuo , Azuma Kumiko , Abe Hitoshi , Sasaki Kenji , Harayama Takashi
Published: June 2005

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Acremonol and Acremodiol, New Fungal Bislactones.
Authors: Berg Albrecht , Notni Johannes , Doerfelt Heinrich , Graefe Udo
Published: June 2005

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Ferrites. What Is New?
Authors: Ranganathan R. , Ray Anindita
Published: June 2005

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Metallo‐Organic Route for the Preparation of Nanosized Inorganic Oxides and Study of Their Chemical Properties
Authors: Pramanik P. , Pathak A.
Published: June 2005

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Determining Interactions Between Adsorbates on Transition Metals
Authors: Jansen A. P. J. , Offermans W. K.
Published: June 2005

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Nanostructured Molecular Materials for Device‐Quality, Highly Efficient Electrooptic Poled Polymers
Authors: van der Boom Milko E.
Published: June 2005

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Recent Progress in Asymmetric Two‐Center Catalysis
Authors: Shibasaki Masakatsu , Kanai Motomu , Funabashi Ken
Published: June 2005

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N‐(9‐Fluorenylmethoxycarbonyl) Succinimide (Fmoc‐ONSu)
Authors: Lawrence Stephen A.
Published: June 2005

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Recent Advances in Isocyanide‐Based Multicomponent Chemistry
Authors: Domling Alexander
Published: June 2005

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Tropos or Atropos? That Is the Question!
Authors: Mikami Koichi , Aikawa Kohsuke , Yusa Yukinori , Jodry Jonathan J. , Yamanaka Masahiro
Published: June 2005

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The Role of Guest Molecules in the Self‐Assembly of Metal—Ligand Clusters
Authors: Johnson Darren W. , Raymond Kenneth N.
Published: June 2005

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Mitochondrial DNA Alterations in Cancer
Authors: Copeland William C. , Wachsman Joseph T. , Johnson F. M. , Penta John S.
Published: June 2005

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Chemistry of the Tetrafluoroaluminate Anion
Authors: Conley B. D. , Dutta U. , Fridh C. , Gilliam A. L. , Yearwood B. C. , Selegue J. P. , Atwood D. A.
Published: June 2005

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Solid Oxide Fuel Cells for Direct Oxidation of Liquid Hydrocarbon Fuels in Automotive Auxiliary Power Units: Sulfur Tolerance and Operation on Gasoline
Authors: Crosbie Gary M. , Murray Erica Perry , Bauer David R. , Kim Hyuk , Park Seungdoo , Vohs John M. , Gorte Raymond J.
Published: June 2005

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Crystal Structure of AgIIF[AgIIIF4].
Authors: Fischer R. , Mueller B. G.
Published: June 2005

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Structural Studies with Usovites: Ba2CaMIIV2F14 (MII: Mn, Fe), Ba2CaMnFe2F14 and Ba2CaCuM2IIIF14 (MIII: Mn, Fe, Ga).
Authors: Kaiser V. , Le Lirzin A. , Darriet J. , Tressaud A. , Holler H. , Babel D.
Published: June 2005

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On the Conductivity Mechanism of Nanocrystalline Ceria.
Authors: Kim Sangtae , Maier Joachim
Published: June 2005

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Phase Diagram of the Nitric Acid/Water System: Implications for Polar Stratospheric Clouds.
Authors: Beyer Keith D. , Hansen Anne R.
Published: June 2005

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Electrodeposition of Antimony Telluride.
Authors: Leimkuehler Gisbert , Kerkamm Ingo , Reineke‐Koch Rolf
Published: June 2005

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Shock Tube Study of the Reaction of H Atoms with SnCl4.
Authors: Herzler Juergen , Roth Paul
Published: June 2005

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Formation of NH4[Hg3(NH)2](NO3)3 and Transformation to [Hg2N](NO3).
Authors: Nockemann Peter , Meyer Gerd
Published: June 2005

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Barium Holmium Zirconate, a New Complex Perovskite Oxide. Part 1. Synthesis, Characterization, and Potential Use as a Substrate for High‐Critical‐Temperature Superconductors.
Authors: Jose Rajan , John Asha Mary , Koshy Jacob
Published: June 2005

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Dinuclear Titanium(IV) Complex of p‐tert‐Butylthiacalix[4]arene as a Novel Bidentate Lewis Acid Catalyst.
Authors: Morohashi Naoya , Hattori Tetsutaro , Yokomakura Katsuya , Kabuto Chizuko , Miyano Sotaro
Published: June 2005

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Reaction of Allylsilanes and Allystannanes with Alkynes Catalyzed by Electrophilic Late Transition Metal Chlorides.
Authors: Fernandez‐Rivas Carolina , Mendez Maria , Nieto‐Oberhuber Cristina , Echavarren Antonio M.
Published: June 2005

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Aqueous One‐Pot Synthesis of Pyrazoles, Pyrimidines and Isoxazoles Promoted by Microwave Irradiation.
Authors: Molteni Valentina , Hamilton Matthew M. , Mao Long , Crane Christine M. , Termin Andreas P. , Wilson Dean M.
Published: June 2005

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Reaction of Carbonyl Compounds with Trialkylsilyl Phenylselenide and Tributylstannyl Hydride under Radical Conditions.
Authors: Nishiyama Yutaka , Kajimoto Hiroyuki , Kotani Kazuya , Nishida Takuma , Sonoda Noboru
Published: June 2005

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Enhancement of Enantioselectivity by THF in Asymmetric Mo‐Catalyzed Olefin Metathesis. Catalytic Enantioselective Synthesis of Cyclic Tertiary Ethers and Spirocycles.
Authors: Teng Xin , Cefalo Dustin R. , Schrock Richard R. , Hoveyda Amir H.
Published: June 2005

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Synthesis of Aryl(or Benzyl)(Z)‐N‐[2‐amino‐1,2‐dicyanovinyl]formamidines.
Authors: Yahya‐Zadeh Asieh , Booth Brian L.
Published: June 2005

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Efficient Synthesis of N‐(Trifluoromethylsulfonyl)trifluoromethanesulfonimidoyl Fluoride — The Key Agent in the Preparation of Compounds with Superstrong Electron‐Withdrawing Groups and Strong Acidic Properties.
Authors: Garlyauskayte Romute Yu. , Bezdudny Andrey V. , Michot Christophe , Armand Michel , Yagupolskii Yurii L. , Yagupolskii Lev M.
Published: June 2005

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Facile Synthetic Approach to Functionalized 4,5‐Disubstituted Norbornene Monomers.
Authors: Wynne James H. , Lloyd Christopher T. , Cozzens Robert F.
Published: June 2005

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Asymmetric Synthesis of anti‐Homopropargylic Alcohols from Aldehydes and Chiral Sulfonimidoyl Substituted Bis(allyl)titanium Complexes Through Generation and Elimination of Novel Chiral Alkylidenecarbene (Dimethylamino)sulfoxonium Ylides.
Authors: Reddy Leleti Rajender , Gais Hans‐Joachim , Woo Chang‐Wan , Raabe Gerhard
Published: June 2005

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Irreversible Photoisomerization Behavior of 2‐Stilbazole Covalently Bound to Porphyrin.
Authors: Sugimoto Hiroshi , Kuramoto Keigo , Inoue Shohei
Published: June 2005

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Chemistry of Aminophenols. Part 2. A General and Efficient Synthesis of Indoles Possessing a Nitrogen Substituent at the C4, C5, C6, and C7 Positions.
Authors: Dai Wei‐Min , Sun Li‐Ping , Guo Dian‐Shun
Published: June 2005

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A Regiospecific Synthesis of 1‐Heterocyclic Substituted 1,2,4‐Triazoles via Addition Reaction of 1,2,4‐Triazole with Functionalized Carbodiimide.
Authors: Ding Ming‐Wu , Zeng Gui‐Ping , Liu Zhao‐Jie
Published: June 2005

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Synthesis of 3‐[5‐Methyl‐1‐(4‐methylphenyl)‐1,2,3‐triazol‐4‐yl] ‐6‐substituted‐s‐triazolo[3,4‐b]‐1,3,4‐thiadiazoles.
Authors: Dong Heng‐Shan , Quan Bin , Luo Jin‐Dong
Published: June 2005

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A Novel Method for the Synthesis of Formyl and Hydroxymethyl Derivatives of 4H‐Pyran‐4‐one.
Authors: Ghandi M. , Bayat Y. , Teimuri‐mofrad R.
Published: June 2005

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Study of the Three‐Component Reaction of α‐Nitrocarbonyl Compounds, Aromatic Aldehydes, and Cyanothioacetamide.
Authors: Rodinovskaya L. A. , Chunikhin K. S. , Shestopalov A. M.
Published: June 2005

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Synthesis of Pipecolic Acid Derivatives via Aza‐Diels—Alder Reactions of Thio‐Substituted 1,3‐Butadienes with Iminium Salts.
Authors: Chou Shang‐Shing , Hung Chia‐Cheng
Published: June 2005

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An Efficient Synthesis of 2,4‐Substituted [1,8]Naphthyridines from 3‐(2‐Amino‐5‐methylpyridin‐3‐yl)‐1‐arylprop‐2‐yn‐1‐ones.
Authors: Abbiati Giorgio , Arcadi Antonio , Marinelli Fabio , Rossi Elisabetta
Published: June 2005

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Synthesis and Crystal Structure of 2,3‐Bis(dinitrofluoromethyl)‐1,4‐dioxane.
Authors: Fedorov B. S. , Golovina N. I. , Smirnov S. P. , Abdrakhmanov I. Sh. , Firkin A. I. , Atovmyan L. O.
Published: June 2005

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New Chiral Pyrazine‐Based Ligands for Self‐Assembly Reactions.
Authors: Bark Thomas , Stoeckli‐Evans Helen , von Zelewsky Alexander
Published: June 2005

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An Improved Protocol for the Preparation of 3‐Pyridyl‐ and Some Arylboronic Acids.
Authors: Li Wenjie , Nelson Dorian P. , Jensen Mark S. , Hoerrner R. Scott , Cai Dongwei , Larsen Robert D. , Reider Paul J.
Published: June 2005

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