bluuebunny/crossref_metadata_2025_split huggingface dataset:
The health of California's immigrant hired farmworkers
Authors: Villarejo Don , McCurdy Stephen A. , Bade Bonnie , Samuels Steve , Lighthall David , Williams Daniel 
Published: February 2010

AbstractBackgroundHispanic immigrant workers dominate California's hired farm workforce. Little is known about their health status; even less is known about those lacking employment authorization.MethodsThe California Agricultural Workers Health Survey (CAWHS) was a statewide cross‐sectional household survey conducted in 1999. Six hundred fifty‐four workers completed in‐person interviews, comprehensive physical examinations, and personal risk behavior interviews.ResultsThe CAWHS PE Sample is comprised mostly of young Mexican men who lack health insurance and present elevated prevalence of indicators of chronic disease: overweight, obesity, high blood pressure, and high serum cholesterol. The self‐reported, cumulative, farm work career incidence of paid claims for occupational injury under workers compensation was 27% for males and 11% for females.ConclusionsThe survey finds elevated prevalence of indicators of chronic disease but lack of health care access. Participants without employment authorization reported a greater prevalence of high‐risk behaviors, such as binge drinking, and were less knowledgeable about workplace protections. Am. J. Ind. Med. 53:387–397, 2010. © 2010 Wiley‐Liss, Inc.
Safety walkarounds predict injury risk and reduce injury rates in the construction industry
Authors: Mikkelsen K.L. , Spangenberg S. , Kines P. 
Published: February 2010

AbstractBackground“Safe Workplace”—a simplified and educational version of the Finnish building construction methodology involving safety walkarounds where a number of safety indicators are inspected and evaluated—is in widespread use in the Danish construction sector to evaluate physical safety standards proactively at construction work sites.MethodsData from the construction of the Copenhagen Metro were analyzed to determine the method's ability to predict injury risk related to joint responsibilities and individual worker responsibilities.ResultsA statistically significant association between the risk level as measured by the Safe Workplace methodology and injury risk was found. The relative risk of injury increased with the number of safety indicators violated and was elevated for safety indicators reflecting both individual and joint safety responsibility. The observed injury risk was not elevated in the post‐safety walkaround period for safety indicators of individual responsibility, but the joint responsibility indicators retained an elevated injury risk level.ConclusionsThe data support the hypothesis that safety walkarounds both predict and prevent injuries. Safety indicators of individual responsibility are more likely to be corrected than those of joint responsibility. Am. J. Ind. Med. 53: 601–607, 2010. © 2010 Wiley‐Liss, Inc.
Alcohol consumption and work‐related injuries among farmers in Heilongjiang Province, People's Republic of China
Authors: Wang Limin , Wheeler Krista , Bai Li , Stallones Lorann , Dong Yanmei , Ge Jie , Xiang Huiyun 
Published: February 2010

AbstractBackgroundAlcohol consumption has been found to be associated with work‐related injuries among workers around the world, but this association has not well been studied among agricultural workers in China.MethodsThis population‐based survey aimed to study the association between alcohol use and work‐related agricultural injury. Farmers in a northeastern province of China were questioned about work‐related injury in the past year (May 2007–April 2008), alcohol use, farming practices, and sociodemographic factors. The Chi‐square test and logistic regression analyses were used to investigate the role of alcohol drinking in agricultural injuries.ResultsAmong 2,050 farmers who completed the survey, the 12‐month prevalence of work‐related injury was 12.2%. The leading external cause of injury was exposure to mechanical force. The odds of injury among farmers with past month drinking, who drank distilled spirits, and reported intoxication were respectively 1.77 (95% CI = 1.27–2.47), 1.89 (95% CI = 1.35–2.66), 2.12 (95% CI = 1.42–3.11). The odds of injury also significantly increased with greater average amounts of pure alcohol per day, with increased frequency of drinking per week, and with greater reported years of drinking. Each alcohol use variable was associated with injury in logistic regression models while controlling for sex, age, years of farm work, months of farm work in the past 12 months, driving a motor vehicle, and agricultural machinery use.ConclusionsWe found a significant association between alcohol consumption and work‐related injuries among farmers. Our findings stress the need for culturally appropriate interventions which affect alcohol use and prevent injuries among Chinese farmers. Am. J. Ind. Med. 53:825–835, 2010. © 2010 Wiley‐Liss, Inc.
Nucleolar Cycle and Its Correlation with Chromatoid Bodies in the Tilapia rendalli (Teleostei, Cichlidae) Spermatogenesis
Authors: Peruquetti Rita Luiza , Taboga Sebastião Roberto , De Azeredo‐Oliveira Maria Tercília Vilela 
Published: February 2010

AbstractThe aim of this study was: (1) to monitor the nucleolar material distribution using cytological and cytochemical techniques and ultrastructural analysis; and (2) to compare the nucleolar material distribution with the formation of the chromatoid body (CB) in the germ epithelium of Tilapia rendalli. Nucleolar fragmentation occurred during the leptotene of prophase I and nucleolus reorganization occurred in the early spermatid nucleus. The area of the early spermatid nucleolus was significantly smaller than that of the spermatogonia nucleolus. Ultrastructural analysis showed an accumulation of nuages, which form the CB, before nucleolar fragmentation in the spermatogonia cytoplasm. The CB was observed in association with mitochondrial clusters in the cytoplasm of primary spermatocytes, as well as in those of initial and later spermatids. In conclusion, the nucleolus seems to be related to CB formation during spermatogenesis of T. rendalli, because at the moment of nucleolus fragmentation in the primary spermatocytes, the CB reaches its largest area and it is able to complete important functions during spermatogenesis. The reorganized nucleolus of the initial spermatids has a lower area due several factors, one of which is the probable migration of nucleolar fragments from the nucleus to the cytoplasm, therefore playing a role in CB formation. Anat Rec, 2010. © 2010 Wiley‐Liss, Inc.
Analysis of maternal–offspring HLA compatibility, parent‐of‐origin effects, and noninherited maternal antigen effects for HLA–DRB1 in systemic lupus erythematosus
Authors: Bronson Paola G. , Komorowski Leanne K. , Ramsay Patricia P. , May Suzanne L. , Noble Janelle , Lane Julie A. , Thomson Glenys , Claas Frans H. , Seldin Michael F. , Kelly Jennifer A. , Harley John B. , Moser Kathy L. , Gaffney Patrick M. , Behrens Timothy , Criswell Lindsey A. , Barcellos Lisa F. 
Published: February 2010

AbstractObjectiveGenetic susceptibility to systemic lupus erythematosus (SLE) is well established, with the HLA class II DRB1 and DQB1 loci demonstrating the strongest association. However, HLA may also influence SLE through novel biologic mechanisms in addition to genetic transmission of risk alleles. Evidence for increased maternal–offspring HLA class II compatibility in SLE and differences in maternal versus paternal transmission rates (parent‐of‐origin effects) and nontransmission rates (noninherited maternal antigen [NIMA] effects) in other autoimmune diseases have been reported. Thus, we investigated maternal–offspring HLA compatibility, parent‐of‐origin effects, and NIMA effects at DRB1 in SLE.MethodsThe cohort comprised 707 SLE families and 188 independent healthy maternal–offspring pairs (total of 2,497 individuals). Family‐based association tests were conducted to compare transmitted versus nontransmitted alleles (transmission disequilibrium test) and both maternally versus paternally transmitted (parent‐of‐origin) and nontransmitted alleles (using the chi‐square test of heterogeneity). Analyses were stratified according to the sex of the offspring. Maternally affected offspring DRB1 compatibility in SLE families was compared with paternally affected offspring compatibility and with independent control maternal–offspring pairs (using Fisher's test) and was restricted to male and nulligravid female offspring with SLE.ResultsAs expected, DRB1 was associated with SLE (P < 1 × 10−4). However, mothers of children with SLE had similar transmission and nontransmission frequencies for DRB1 alleles when compared with fathers, including those for the known SLE risk alleles HLA–DRB1*0301, *1501, and *0801. No association between maternal–offspring compatibility and SLE was observed.ConclusionMaternal–offspring HLA compatibility, parent‐of‐origin effects, and NIMA effects at DRB1 are unlikely to play a role in SLE.
Cancer preceding giant cell arteritis: A case–control study
Authors: Kermani Tanaz A. , Schäfer Valentin S. , Crowson Cynthia S. , Hunder Gene G. , Ytterberg Steven R. , Matteson Eric L. , Gabriel Sherine E. , Warrington Kenneth J. 
Published: February 2010

AbstractObjectiveTo study the association between previous cancer and giant cell arteritis (GCA).MethodsUsing the resources of the Rochester Epidemiology Project, we identified incident cases of GCA diagnosed between January 1, 1950 and December 31, 2004. Each GCA patient was matched for age, sex, and length of medical history to 2 subjects without GCA from the same population. Medical records were reviewed. Diagnosis of cancer was confirmed by histopathologic analysis.ResultsWe identified 204 GCA cases and 407 controls. The GCA group included 163 women (80%) and 41 men (20%). Their mean ± SD age was 76.0 ± 8.2 years. The non‐GCA group consisted of 325 women (80%) and 82 men (20%). Their mean ± SD age was 75.6 ± 8.4 years. At the index date, 45 GCA patients (22%) and 125 non‐GCA patients (31%) had had a previous cancer. The odds ratio (OR) for previous cancer in cases compared with controls, adjusted for age, sex, and calendar year, was 0.63, and the 95% confidence interval (95% CI) was 0.42–0.94 (P = 0.022). The mean age at diagnosis of the first cancer before the index date was similar in the cases (67.5 ± 11.9 years) and the controls (64.9 ± 13.2 years) (P = 0.32). The mean ± SD duration from the first cancer to the index date was 9.8 ± 9.9 years in the cases and 11.7 ± 10.8 years in the controls (P = 0.31). Cancer types were similar in both groups, but fewer gynecologic malignancies were noted in GCA patients (OR 0.39 [95% CI 0.13–1.15], P = 0.09). Colon cancer also appeared less commonly in the cases compared with the controls (OR 0.22 [95% CI 0.03–1.74], P = 0.15).ConclusionThe findings of this population‐based case–control study indicate that GCA patients had significantly fewer malignancies prior to the index date as compared with controls.
Increased glutamate/glutamine compounds in the brains of patients with fibromyalgia: A magnetic resonance spectroscopy study
Authors: Valdés Manuel , Collado Antonio , Bargalló Nuria , Vázquez Mireia , Rami Lorena , Gómez Emili , Salamero Manel 
Published: February 2010

AbstractObjectiveFibromyalgia (FM) has been defined as a systemic disorder that is clinically characterized by pain, cognitive deficit, and the presence of associated psychopathology, all of which are suggestive of a primary brain dysfunction. This study was undertaken to identify the nature of this cerebral dysfunction by assessing the brain metabolite patterns in patients with FM through magnetic resonance spectroscopy (MRS) techniques.MethodsA cohort of 28 female patients with FM and a control group of 24 healthy women of the same age were studied. MRS techniques were used to study brain metabolites in the amygdala, thalami, and prefrontal cortex of these women.ResultsIn comparison with healthy controls, patients with FM showed higher levels of glutamate/glutamine (Glx) compounds (mean ± SD 11.9 ± 1.6 arbitrary units [AU] versus 13.4 ± 1.7 AU in controls and patients, respectively; t = 2.517, 35 df, corrected P = 0.03) and a higher Glx:creatine ratio (mean ± SD 2.1 ± 0.4 versus 2.4 ± 1.4, respectively; t = 2.373, 35 df, corrected P = 0.04) in the right amygdala. In FM patients with increased levels of pain intensity, greater fatigue, and more symptoms of depression, inositol levels in the right amygdala and right thalamus were significantly higher.ConclusionThe distinctive metabolic features found in the right amygdala of patients with FM suggest the possible existence of a neural dysfunction in emotional processing. The results appear to extend previous findings regarding the dysfunction in pain processing observed in patients with FM.
Long‐term safety and efficacy of abatacept in children with juvenile idiopathic arthritis
Authors: Ruperto Nicolino , Lovell Daniel J. , Quartier Pierre , Paz Eliana , Rubio‐Pérez Nadina , Silva Clovis A. , Abud‐Mendoza Carlos , Burgos‐Vargas Ruben , Gerloni Valeria , Melo‐Gomes Jose A. , Saad‐Magalhães Claudia , Chavez‐Corrales J. , Huemer Christian , Kivitz Alan , Blanco Francisco J. , Foeldvari Ivan , Hofer Michael , Horneff Gerd , Huppertz Hans‐Iko , Job‐Deslandre Chantal , Loy Anna , Minden Kirsten , Punaro Marilynn , Nunez Alejandro Flores , Sigal Leonard H. , Block Alan J. , Nys Marleen , Martini Alberto , Giannini Edward H. 
Published: February 2010

AbstractObjectiveWe previously documented that abatacept was effective and safe in patients with juvenile idiopathic arthritis (JIA) who had not previously achieved a satisfactory clinical response with disease‐modifying antirheumatic drugs or tumor necrosis factor blockade. Here, we report results from the long‐term extension (LTE) phase of that study.MethodsThis report describes the long‐term, open‐label extension phase of a double‐blind, randomized, controlled withdrawal trial in 190 patients with JIA ages 6–17 years. Children were treated with 10 mg/kg abatacept administered intravenously every 4 weeks, with or without methotrexate. Efficacy results were based on data derived from the 153 patients who entered the open‐label LTE phase and reflect ≥21 months (589 days) of treatment. Safety results include all available open‐label data as of May 7, 2008.ResultsOf the 190 enrolled patients, 153 entered the LTE. By day 589, 90%, 88%, 75%, 57%, and 39% of patients treated with abatacept during the double‐blind and LTE phases achieved responses according to the American College of Rheumatology (ACR) Pediatric 30 (Pedi 30), Pedi 50, Pedi 70, Pedi 90, and Pedi 100 criteria for improvement, respectively. Similar response rates were observed by day 589 among patients previously treated with placebo. Among patients who had not achieved an ACR Pedi 30 response at the end of the open‐label lead‐in phase and who proceeded directly into the LTE, 73%, 64%, 46%, 18%, and 5% achieved ACR Pedi 30, Pedi 50, Pedi 70, Pedi 90, and Pedi 100 responses, respectively, by day 589 of the LTE. No cases of tuberculosis and no malignancies were reported during the LTE. Pneumonia developed in 3 patients, and multiple sclerosis developed in 1 patient.ConclusionAbatacept provided clinically significant and durable efficacy in patients with JIA, including those who did not initially achieve an ACR Pedi 30 response during the initial 4‐month open‐label lead‐in phase.
Rituximab therapy leads to rapid decline of serum IgG4 levels and prompt clinical improvement in IgG4‐related systemic disease
Authors: Khosroshahi Arezou , Bloch Donald B. , Deshpande Vikram , Stone John H. 
Published: February 2010

AbstractObjectivePatients with IgG4‐related systemic disease (IgG4‐RSD) frequently show an incomplete response to treatment with glucocorticoids and traditional disease‐modifying antirheumatic drugs (DMARDs). B lymphocyte depletion is a therapeutic strategy known to be effective for pemphigus vulgaris, an autoimmune condition mediated by IgG4 autoantibodies. This study was performed to assess the clinical and serologic responses to B lymphocyte depletion therapy with rituximab in patients with IgG4‐RSD.MethodsFour patients with IgG4‐RSD were treated with 2 intravenous doses (1 gram each) of rituximab. Clinical improvement was assessed by monitoring the tapering/discontinuation of prednisone and DMARDs, and by measuring the serum concentrations of B lymphocytes, immunoglobulins, and IgG subclasses before and after therapy.ResultsClinical features of IgG4‐RSD in these 4 patients included autoimmune pancreatitis, sclerosing cholangitis, lymphoplasmacytic aortitis, salivary gland involvement, orbital pseudotumor, and lacrimal gland enlargement. The 3 patients with elevated serum IgG and IgG4 levels at baseline had a mean IgG concentration of 2,003 mg/dl (normal range 600–1,500 mg/dl) and a mean IgG4 concentration of 2,160 mg/dl (normal range 8–140 mg/dl). Among these patients, the serum IgG4 concentrations declined by a mean of 65% within 2 months of rituximab administration. All 4 patients demonstrated striking clinical improvement within 1 month of the initiation of rituximab therapy, and tapering or discontinuation of their treatment with prednisone and DMARDs was achieved in all 4 patients. A decrease in IgG concentration was observed for the IgG4 subclass only.ConclusionTreatment with rituximab led to prompt clinical and serologic improvement in these patients with refractory IgG4‐RSD, and is a viable treatment option for this condition. The decline in serum IgG4 concentrations was substantially steeper than that of the autoantibody concentrations in immune‐mediated conditions in which rituximab is effective, such as in rheumatoid arthritis. In addition, the reduction in IgG‐subclass levels appeared to be specific for IgG4. The swift improvement of IgG4‐RSD suggests that rituximab achieves its effects in IgG4‐RSD by depleting the pool of B lymphocytes that replenish short‐lived IgG4‐secreting plasma cells.
Design of liveness‐enforcing supervisors via transforming plant petri net models of FMS
Authors: Zhong Chun‐Fu , Li Zhi‐Wu 
Published: February 2010

AbstractThis paper focuses on the deadlock prevention problems in a class of Petri nets, systems of simple sequential process with resources, S3PR for short. By structure analysis, we propose an approach that can transform a plant net model into a weighted S3PR (WS3PR) that is behaviorally equivalent to the plant model. The WS3PR is made to be live by properly reconfiguring its weight distribution such that its all strict minimal siphons are self‐max'‐controlled. The resulting WS3PR can serve as a liveness‐enforcing Petri net supervisor for the plant model after removing some idle and operation places. A live controlled system can be accordingly obtained by synchronizing a plant model and the places whose weights are regulated. This research shows that a small number of monitors is obtained, leading to more permissive behavior of the controlled system. Examples are used to demonstrate the proposed concepts and methods. Copyright © 2010 John Wiley and Sons Asia Pte Ltd and Chinese Automatic Control Society
Synthesis of deadlock prevention policy using Petri nets reachability graph technique
Authors: Huang Yi‐Sheng , Chung Ta‐Hsiang , Su Pin‐June 
Published: February 2010

AbstractThis paper proposes a subclass of generalized stochastic Petri net (GSPN) model, called TS3PR, which is modified the systems of simple sequential processes with resources (S3PR) with timed information. Based on the subclass of GSPN, a new deadlock prevention policy is developed by using reachability graph technique. The foundation of the new control policy is to manipulate all the dead states of the system nets. This study is able to change dead states into vanishing ones by additional immediate transitions. A live TS3PR model can then be obtained. It is worthwhile to notice that this study is different from adding additional control place policies in previous literature. Experimental results, indicate that our new control policy is with maximally permissive markings than conventional place‐control ones. As a result, we can infer that our proposed control policy seems to be used in Petri nets deadlocked systems. To our knowledge, this is the first work that employs the additional transitions to obtain the deadlock prevention policy. Copyright © 2010 John Wiley and Sons Asia Pte Ltd and Chinese Automatic Control Society
Rejection of nonharmonic disturbances in a class of nonlinear systems with nonlinear exosystems
Authors: Jiang Yuan , Liu Shutang 
Published: February 2010

AbstractThis paper proposes an asymptotic rejection algorithm for rejecting exotic disturbances in nonlinear systems. The disturbances, which are produced by nonlinear exosystems, are nonharmonic and periodic. A new internal model is proposed to deal with the disturbances. Further, an adaptive output feedback controller is designed to ensure that the system's state variables can asymptotically converge to zero, and the disturbances can be completely rejected. The proposed algorithm can be used in many applications, e.g. active vibration control, and the avoidance of nonharmonic distortion in nonlinear circuits. An example is performed to demonstrate that the proposed algorithm can completely reject the nonharmonic periodic disturbances produced by nonlinear exosystems. Copyright © 2010 John Wiley and Sons Asia Pte Ltd and Chinese Automatic Control Society
The influence of aging on preferences for sequences of mixed affective events
Authors: Drolet Aimee , Lau‐Gesk Loraine , Scott Carol 
Published: February 2010

AbstractResearch on preferences among sequences of mixed affective events has mostly used young adults as participants. Given differences due to aging in people's ability to regulate emotion, one could expect differences due to aging in preferences for different sequences. Study 1 demonstrated age‐related differences in how older adults (age 65 and older) versus young adults (age 18–25) choose to order mixed affective events that will occur over time. The tendency to choose sequences in which the final event is positive was greater among older adults versus young adults. And, more so than young adults, older adults preferred that the positive and negative events in a sequence be separated in time by a neutral event. Studies 2–3 investigated age‐related differences in overall retrospective evaluations of presented sequences of mixed affective events. In contrast to young adults, older adults' retrospective evaluations were not affected by: (1) whether the final trend of the sequence improved monotonically; (2) whether the last event in the sequence was positive; or (3) the temporal proximity of positive and negative events in the sequence. Results of Study 3 suggest that these age‐related differences are due to differences in older (vs. young) adults' ability to regulate emotion. Copyright © 2010 John Wiley & Sons, Ltd.
ChemInform Abstract: Structure Topology in Silver(I)‐(poly)chalcogenide Halides: A Helpful Tool to Understand Structure Relations and Properties.
Authors: Nilges Tom , Bawohl Melanie , Messel Julia , Osters Oliver 
Published: February 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Zigzag Chains of Alternating Atoms in A2AuBi (A: Na, K) and K2AuSb. Synthesis, Structure, and Bonding.
Authors: Kim Sung‐Jin , Miller Gordon J. , Corbett John D. 
Published: February 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.