Miracle-dz/UniFAR-FTUs huggingface dataset:
The Lack of an Association Between Adolescent Friends' Prejudices and Stereotypes

Four hundred twenty-six white male and female, ninth and eleventh graders completed questionnaires that evaluated race, homosexual, HIV/AIDS, and fat prejudice, and sex-role stereotyping. A factor of intolerance was determined using all five scales. Regression analyses evaluated whether the association of prejudice attitudes among friends was conditional on friendship reciprocity, closeness, having one versus two friends, congruity of friends' prejudices, authoritative parenting, and degree of prejudice of the target adolescent. Friends' prejudices and stereotypes were not associated. Possible explanations were offered, including: discussions of prejudice and stereotyping may be rare among students; adolescents assume that their friends have similar attitudes to their own and thus don't question apparent differences; and adolescents may influence each other's behaviors, but not prejudices or stereotypes.
Concurrency control in the deomain of multidatabase : A semi-semantic approach

Multidatabase is a promising approach to achieving interoperability among various DBMSs. The latest development in distributed object management techniques enlarges the scope of multidatabase system. This paper explores the trade-off between the concurrency achieved and the extra overhead incurred by the semantic-based concurrency control. It proposes a semisemantic approach to rationalize the concurrency control mechanism in a multidatabase system. This approach classifies objects of a multidatabase sytem into Heavily Accessed Objects (HAOs) and other objects. It applies an incomplete semantic decomposition based on whether a step of a transaction contains HAOs or not. A sound theoretical ground is provided to justify this approach in the context of the multidatabase system. In addition, a decomposition algorithm is given and some implementational issues are discussed.
Activity of extrinsic limb muscles in dogs at walk, trot and gallop

SUMMARY The extrinsic limb muscles perform locomotor work and must adapt their activity to changes in gait and locomotor speed, which can alter the work performed by, and forces transmitted across, the proximal fulcra of the limbs where these muscles operate. We recorded electromyographic activity of 23 extrinsic forelimb and hindlimb muscles and one trunk muscle in dogs while they walked, trotted and galloped on a level treadmill. Muscle activity indicates that the basic functions of the extrinsic limb muscles – protraction, retraction and trunk support – are conserved among gaits. The forelimb retains its strut-like behavior in all gaits, as indicated by both the relative inactivity of the retractor muscles (e.g. the pectoralis profundus and the latissimus dorsi) during stance and the protractor muscles (e.g. the pectoralis superficialis and the omotransversarius) in the first half of stance. The hindlimb functions as a propulsive lever in all gaits, as revealed by the similar timing of activity of retractors (e.g. the biceps femoris and the gluteus medius) during stance. Excitation increased in many hindlimb muscles in the order walk–trot–gallop, consistent with greater propulsive impulses in faster gaits. Many forelimb muscles, in contrast, showed the greatest excitation at trot, in accord with a shorter limb oscillation period, greater locomotor work performed by the forelimb and presumably greater absorption of collisional energy.
Evidence of Occult Hepatitis B Virus Infection among Omani Blood Donors: A Preliminary Study

Objectives: The aim of this study was to determine the prevalence of hepatitis B surface antigen (HBsAg), hepatitis B core antibodies (anti-HBc) and hepatitis B virus (HBV) DNA among a selected group of Omani blood donors. Materials and Methods: Two hundred HBsAg-negative donors were screened for anti-HBc. Those found to be positive were investigated for HBV DNA by polymerase chain reaction. HBsAg was retested on these sera following an immune complex dissociation technique. Results: HBsAg was present in 2.8% of the donors. Forty-one out of 200 (20.5%) HBsAg-negative donors were positive for anti-HBc. Eleven were positive for HBsAg after dissociation, whereas 8 gave readings just over the cutoff. HBV DNA was not detected in this group. Conclusion: Findings indicate that testing donors for HBsAg alone is not sufficient to eliminate HBV from the blood supply in Oman.
Situational Judgment and Job Performance

Data from 160 civil service employees demonstrate the validity of a situational judgment test in predicting overall job performance as well as three performance dimensions: task performance (core technical proficiency), motivational contextual performance (job dedication), and interpersonal contextual performance (interpersonal facilitation). Situational judgment also provided incremental validity over the prediction provided jointly by cognitive ability, the Big Five personality traits, and job experience. These findings extended the work of Clevenger, Pereira, Wiechmann, Schmitt, and Harvey (2001) on the incremental validity of situational judgment tests as well as the meta-analytic results reported by McDaniel, Morgeson, Finnegan, Campion, and Braverman (2001). Implications are discussed in terms of research on the prediction and understanding of job performance.
Convergence or Divergence?: Comparing Recent Social Trends in Industrial Societies

Trends in fertility decline, intergenerational relations, religion and secularization, ecological movements, employment and labour-market changes, personal authority, and social conflict are examined. This analysis shows an unmistakable convergence of social trends except in the domain of religion. But when the interconnection of these trends within each national society is examined, unexpected divergences are revealed. There are parallel trends in demography, organization of production, national institutions, social practices, and life style, and divergent trends in social inequality, social movements, and local institutions. Barriers between social classes have eroded and something that might be called multidimensional stratification has emerged, the diminution of violence in social conflicts implies an increasing volume of negotiation, and all forms of personal authority have been weakened. The transformation of the family structure is no doubt one of the most important changes in western civilization. The cross-national analyses of recent social trends help us to assess both convergence and divergence and to identify emergent singularities. Does convergence of trends mean these societies face a common destiny? With respect to trends so strong that they act as exogenous variables, the answer is yes. However, with respect to the responses those trends elicit in the context of a particular society, the answer is no. Massive convergence of trends does not mean that societies face a uniform future.
Phenomenal characteristics of autobiographical memories for positive, negative, and neutral events

We investigated memory qualities for positive, negative, and neutral autobiographical events. Participants recalled two personal experiences of each type and then rated their memories on several characteristics (e.g. sensorial and contextual details). They also reported whether they ‘see’ the events in their memories from their own perspective (‘field’ memories) or whether they ‘see’ the self engaged in the event as an observer would (‘observer’ memories). Positive memories contained more sensorial (visual, smell, taste) and contextual (location, time) details than both negative and neutral events, whereas negative and neutral memories did not differ on most dimensions. Positive and negative events were more often recollected with a field perspective than neutral events. Finally, participants were classified in four groups according to the repressive coping style framework. Emotional memories of repressors were not less detailed than those of the other groups. Copyright © 2002 John Wiley & Sons, Ltd.
Minimal influence of tocilizumab on IFN-γ synthesis by tuberculosis antigens

Interferon gamma (IFN-γ) production is a critical step of antituberculosis (anti-TB) immune response. The purpose of this study was to determine the influences of biologics, including the interleukin (IL)-6 receptor-inhibitor tocilizumab (TCZ), and tumor necrosis factor (TNF) antagonists infliximab (INF) and etanercept (ETA), on Mycobacterium tuberculosis (MTB) antigen-induced IFN-γ production. MTB antigen (ESAT-6 and CFP-10)-induced IFN-γ-releasing assay was performed with or without addition of biologics (TCZ, ETA, and INF) using whole blood from patients with active TB. ETA and INF inhibited IFN-γ production in a dose-dependent manner. In whole blood from TB patients, ESAT-6 stimulated significant production of IFN-γ (1.30 ± 1.95 IU/ml), and TCZ did not inhibit IFN-γ production (1.56 ± 1.88 IU/ml). IFN-γ production by ESAT-6 was inhibited by ETA and INF (0.98 ± 1.74, 0.75 ± 1.66 IU/ml, respectively). CFP-10 stimulated significant production of IFN-γ (1.46 ± 1.60 IU/ml), and TCZ did not inhibit IFN-γ production (1.51 ± 1.77 IU/ml). IFN-γ production by CFP-10 was inhibited by ETA and INF (0.91 ± 0.99, 0.72 ± 0.88 IU/ml, respectively). TCD did not inhibit MTB antigen-induced IFN-γ production. As IFN-γ production is important in antimycobacterial host defenses, the minimal influence of TCZ on IFN-γ-releasing assay suggests a low risk of latent TB infection reactivation during tocilizumab therapy.
Cytomegalovirus contributes partly to uraemia‐associated premature immunological ageing of the T cell compartment

Cytomegalovirus (CMV) infection has been implicated in accelerated T cell ageing. End‐stage renal disease (ESRD) patients have a severely immunologically aged T cell compartment but also a high prevalence of CMV infection. We investigated whether CMV infection contributes to T cell ageing in ESRD patients. We determined the thymic output by the T cell receptor excision circle (TREC) content and percentage of CD31+ naïve T cells. The proliferative history of the T cell compartment by determination of the relative telomere length (RTL) and the T cell differentiation status was determined by immunophenotyping. It appeared that CMV infection did not affect thymic output but reduced RTL of CD8+ T cells in ESRD patients. Moreover, increased T cell differentiation was observed with higher percentages of CD57+ and CD28null CD4+ and CD8+ memory T cells. These CD28null T cells had significantly shorter telomeres compared to CD28+ T cells. Therefore we concluded that CMV infection does not affect the decreased thymic output but increases T cell differentiation as observed in ESRD‐related premature T cell ageing.
Assessing Finger Joint Biomechanics by Applying Equal Force to Flexor Tendons In Vitro Using a Novel Simultaneous Approach

Background The flexor digitorum superficialis (FDS) and flexor digitorum profundus (FDP) are critical for finger flexion. Although research has recently focused on these tendons’ coactivity, their contributions in different tasks remain unclear. This study created a novel simultaneous approach to investigate the coactivity between the tendons and to clarify their contributions in different tasks. Methods Ten human cadaveric hands were mounted on our custom frame with the FDS and FDP of the third finger looped through a mechanical pulley connected to a force transducer. Joint range of motion, tendon excursion and loading force were recorded during individual joint motion and free joint movement from rest to maximal flexion. Each flexor tendon’s moment arm was then calculated. Results In individual motions, we found that the FDP contributed more than the FDS in proximal interphalangeal (PIP) joint motion, with an overall slope of 1.34 and all FDP-to-FDS excursion (P/S) ratios greater than 1.0 with force increase. However, the FDP contributed less than the FDS in metacarpophalangeal (MCP) joint motion, with an overall slope of 0.95 and P/S ratios smaller than 1.0 throughout the whole motion except between 1.9% and 13.1% force. In free joint movement, the FDP played a greater role than the FDS, with an overall ratio of 1.37 and all P/S ratios greater than 1.0. Conclusions The new findings include differences in finger performance and excursion amounts between the FDS and FDP throughout flexion. Such findings may provide the basis for new hand models and treatments.
People and Processes in Foreign Policymaking: Insights from Comparative Case Studies

The previous articles in this special issue have elaborated a framework for classifying the people involved in foreign policymaking into decision units. Of particular interest has been examining the circumstances under which one type of decision unit takes responsibility for making the choice regarding how to deal with a foreign policy problem and the effect of the nature of that decision unit on the substance of the action selected. The present article is intended to report the results of the application of the framework to sixty-five case studies involving foreign policy issues facing thirty-one countries from all regions of the world. A list of the cases can be found in the appendix.
Colon cancer-associated B2 Escherichia coli colonize gut mucosa and promote cell proliferation.

AIM To provide further insight into the characterization of mucosa-associated Escherichia coli (E. coli) isolated from the colonic mucosa of cancer patients. METHODS Phylogroups and the presence of cyclomodulin-encoding genes of mucosa-associated E. coli from colon cancer and diverticulosis specimens were determined by PCR. Adhesion and invasion experiments were performed with I-407 intestinal epithelial cells using gentamicin protection assay. Carcinoembryonic antigen-related cell adhesion molecule 6 (CEACAM6) expression in T84 intestinal epithelial cells was measured by enzyme-linked immunosorbent assay and by Western Blot. Gut colonization, inflammation and pro-carcinogenic potential were assessed in a chronic infection model using CEABAC10 transgenic mice. Cell proliferation was analyzed by real-time mRNA quantification of PCNA and immunohistochemistry staining of Ki67. RESULTS Analysis of mucosa-associated E. coli from colon cancer and diverticulosis specimens showed that whatever the origin of the E. coli strains, 86% of cyclomodulin-positive E. coli belonged to B2 phylogroup and most harbored polyketide synthase (pks) island, which encodes colibactin, and/or cytotoxic necrotizing factor (cnf) genes. In vitro assays using I-407 intestinal epithelial cells revealed that mucosa-associated B2 E. coli strains were poorly adherent and invasive. However, mucosa-associated B2 E. coli similarly to Crohn's disease-associated E. coli are able to induce CEACAM6 expression in T84 intestinal epithelial cells. In addition, in vivo experiments using a chronic infection model of CEACAM6 expressing mice showed that B2 E. coli strain 11G5 isolated from colon cancer is able to highly persist in the gut, and to induce colon inflammation, epithelial damages and cell proliferation. CONCLUSION In conclusion, these data bring new insights into the ability of E. coli isolated from patients with colon cancer to establish persistent colonization, exacerbate inflammation and trigger carcinogenesis.
Variations on the Intracellular Transport Theme: Maturing Cisternae and Trafficking Tubules

Technological breakthroughs of the last decade have advanced our understanding of vesicular trafficking from a largely descriptive approach to a molecular science. An impressive conservation of the molecular transport machinery across phyla has been revealed (30). Although the current consensus is that intracellular protein transport is mediated by transport vesicles, evidence suggestive of nonvesicular transport mechanisms continues to accumulate. As a consequence, two formerly rejected models, namely transport by cisternal progression (13) and traffic via membranous tubules (24, 37), are attracting renewed interest. Here, we provide updated versions of these models, review both new and old evidence relevant to their application to transport pathways, and discuss the implications as well as the difficulties posed by these alternative mechanisms.
Various secretory phospholipase A2 enzymes are expressed in rheumatoid arthritis and augment prostaglandin production in cultured synovial cells

Although group IIA secretory phospholipase A2 (sPLA2‐IIA) is known to be abundantly present in the joints of patients with rheumatoid arthritis (RA), expression of other sPLA2s in this disease has remained unknown. In this study, we examined the expression and localization of six sPLA2s (groups IIA, IID, IIE, IIF, V and X) in human RA. Immunohistochemistry of RA sections revealed that sPLA2‐IIA was generally located in synovial lining and sublining cells and cartilage chondrocytes, sPLA2‐IID in lymph follicles and capillary endothelium, sPLA2‐IIE in vascular smooth muscle cells, and sPLA2‐V in interstitial fibroblasts. Expression levels of these group II subfamily sPLA2s appeared to be higher in severe RA than in inactive RA. sPLA2‐X was detected in synovial lining cells and interstitial fibers in both active and inactive RA sections. Expression of sPLA2‐IIF was partially positive, yet its correlation with disease states was unclear. Expression of sPLA2 transcripts was also evident in cultured normal human synoviocytes, in which sPLA2‐IIA and ‐V were induced by interleukin‐1 and sPLA2‐X was expressed constitutively. Adenovirus‐mediated expression of sPLA2s in cultured synoviocytes resulted in increased prostaglandin E2 production at low ng·mL−1 concentrations. Thus, multiple sPLA2s are expressed in human RA, in which they may play a role in the augmentation of arachidonate metabolism or exhibit other cell type‐specific functions.
Implementing Strong Kids School-Wide to Reduce Internalizing Behaviors and Increase Prosocial Behaviors

Instruction and training in social and emotional learning (SEL) is an important component in addressing the emotional and behavioral needs of students. This study is the first to examine whether Strong Kids, an SEL program, delivered school-wide in all classrooms, could result in decreased internalizing behaviors and increased prosocial behaviors for both at-risk and general education students. This study also evaluated whether teachers could implement Strong Kids as designed and whether they viewed it as socially valid. A non-equivalent control group design was used. The treatment school consisted of 348 student participants and 17 teacher participants in grades K–6. The control school consisted of 266 student participants and 11 teacher participants in grades K–6. Pretest and posttest teacher ratings revealed significant decreases in students’ internalizing behaviors at the treatment school, while these behaviors increased at the control school. Students at risk for emotional and behavioral disorders improved significantly more than those not at risk on ratings of internalizing symptoms and prosocial behaviors, even when the intervention was delivered school-wide in all classrooms. Teachers were able to implement Strong Kids with a high level of fidelity and they held moderately favorable views of the program.
The Exclusiveness of the Political Field: Networks and political mobilization

This paper applies social network analysis to three case study social movement organizations based in the north of England: a local Labour Party branch, an environmental group, and a conservation group. Using a postal survey of members, we chart the extent of ties between members of these three groups, indicating how each group has its own internal social dynamics and characteristics that are related to the nature of the movement organizations themselves. We explore how the network structures interrelate with the socio-demographic structure of the membership of the three organizations, and we show there are important differences in the way that core members of the three organizations are recruited compared to those who are either peripheral or isolated. Our paper is the first to analyse the networks of whole populations of case study organizations in the UK, and can therefore be read as developing the potential of social network analysis for case study research and for understanding social movements. Analytically we argue it is important to distinguish two different types of ways that networks are important. They can be seen as offering resources for mobilization, or they can be seen as providing a means of integrating particular types of individuals into organizations. It is this latter sense that offers a more fundamental role for network analysis, and we argue that it offers an important way of developing insights from resource mobilization theory by relating them to Bourdieu's provocative arguments regarding the exclusiveness of the political field.
Comparison of Rumen Fluid pH by Continuous Telemetry System and Bench pH Meter in Sheep with Different Ranges of Ruminal pH

We aimed to compare the measurements of sheep ruminal pH using a continuous telemetry system or a bench pH meter using sheep with different degrees of ruminal pH. Ruminal lactic acidosis was induced in nine adult crossbred Santa Ines sheep by the administration of 15 g of sucrose per kg/BW. Samples of rumen fluid were collected at the baseline, before the induction of acidosis (T 0) and at six, 12, 18, 24, 48, and 72 hours after the induction for pH measurement using a bench pH meter. During this 72-hour period, all animals had electrodes for the continuous measurement of pH. The results were compared using the Bland-Altman analysis of agreement, Pearson coefficients of correlation and determination, and paired analysis of variance with Student's t-test. The measurement methods presented a strong correlation (r = 0.94, P < 0.05) but the rumen pH that was measured continuously using a telemetry system resulted in lower values than the bench pH meter (overall mean of 5.38 and 5.48, resp., P = 0.0001). The telemetry system was able to detect smaller changes in rumen fluid pH and was more accurate in diagnosing both subacute ruminal lactic acidosis and acute ruminal lactic acidosis in sheep.