Miracle-dz/UniFAR-FTUs huggingface dataset:
Stealthing among university students: associated factors

ABSTRACT Objective: To identify the practice of stealthing among university students and the associations between the profile of these young people and this practice. Method: Cross-sectional study carried out at a university campus in a city in the countryside of Sao Paulo. Data collection was carried out online by RedCap between May and September 2018, through questionnaires with identification data, sociodemographic characteristics and sexual and reproductive health. Data were analyzed by IBM-SPSS, version 17.0. Results: A total of 380 students participated in the study, aged between 18 and 24 years old, most of them unpaid students, coming from private education, not having a religion and being single. Most of them were biologically female and identified as cisgender and heterosexual women. As for stealthing, 1.33% of the participants had performed it and 11.44% had already undergone this practice. There was a significant association between having been stealthed and the variables female biological sex (p = 0.000) and identifying as a woman (p = 0.000). Conclusion: The occurrence of stealthing is higher among those who have been stealthed than among those who have done it and having been stealthed is associated with being female and identifying as a woman.
Kinematics of recreational male runners in “super”, minimalist and habitual shoes

ABSTRACT We conducted an exploratory analysis to compare running kinematics of 16 male recreational runners wearing Nike Vaporfly 4% (VP4), Saucony Endorphin racing flat (FLAT), and their habitual (OWN) footwear. We also explored potential relationships between kinematic and physiological changes. Runners (age: 33 ± 12 y, O2peak: 55.2 ± 4.3 ml · kg−1·min−1) attended 3 sessions after completing an O2peak test in which sagittal plane 3D kinematics at submaximal running speeds (60%, 70% and 80% ʋ O2peak) were collected alongside economy measures. Kinematics were compared using notched boxplots, and between-shoe kinematic differences were plotted against between-shoe economy differences. Across intensities, VP4 involved longer flight times (6.7 to 10.0 ms) and lower stance hip range of motion (~3°), and greater vertical pelvis displacement than FLAT (~0.4 cm). Peak dorsiflexion angles (~2°), ankle range of motion (1.0° to 3.9°), and plantarflexion velocities (11.3 to 89.0 deg · sec−1) were greatest in FLAT and lowest in VP4. Foot-ground angles were smaller in FLAT (2.5° to 3.6°). Select kinematic variables were moderately related to economy, with higher step frequencies and shorter step lengths in VP4 and FLAT associated with improved economy versus OWN. Footwear changes from OWN altered running kinematics. The most pronounced differences were observed in ankle, spatiotemporal, and foot-ground angle variables.
Conditional growth defect of Bordetella pertussis and Bordetella bronchiseptica ferric uptake regulator (fur) mutants

Abstract Outer-membrane vesicles (OMVs) are promising tools in the development of novel vaccines against the respiratory pathogens Bordetella pertussis and Bordetella bronchiseptica. Unfortunately, vesiculation by bordetellae is too low for cost-effective vaccine production. In other bacteria, iron limitation or inactivation of the fur gene has been shown to increase OMV production, presumably by downregulation of the mla genes, which encode machinery for maintenance of lipid asymmetry in the outer membrane. Here, we followed a similar approach in bordetellae. Whereas a fur mutant was readily obtained in B. bronchiseptica, a B. pertussis fur mutant could only be obtained in iron-deplete conditions, indicating that a fur mutation is conditionally lethal in this bacterium. The fur mutants displayed a growth defect in iron-replete media, presumably because constitutive expression of iron-uptake systems resulted in iron intoxication. Accordingly, expression of the Escherichia coli ferritin FtnA to sequester intracellularly accumulated iron rescued the growth of the mutants in these media. The fur mutations led to the constitutive expression of novel vaccine candidates, such as the TonB-dependent receptors FauA for the siderophore alcaligin and BhuR for heme. However, neither inactivation of fur nor growth under iron limitation improved vesiculation, presumably because the expression of the mla genes appeared unaffected.
Measurement Invariance of the Pathological Narcissism Inventory and Multimethod Examination of Narcissistic Presentations in Community and Clinical Samples

The Pathological Narcissism Inventory (PNI) is extensively used in recent empirical literature on pathological narcissism. However, most studies using the PNI are community-based, and no studies have used the PNI to investigate narcissistic presentations in personality disordered patients. This study investigates measurement invariance of the PNI in community participants and patients with personality disorders, and examines differences of narcissistic presentations in these samples through a multimethod approach. Results show that the PNI can be used reliably to measure and compare traits of pathological narcissism in community participants and patients with personality disorders. Personality disordered patients show higher traits reflecting vulnerable narcissism and overt manifestations of grandiose narcissism, compared with controls. Finally, network analysis indicates that traits of grandiose fantasies and entitlement rage have a central role in defining manifestations of PNI pathological narcissism, regardless of the presence of an underlying personality disorder. Research and clinical implications are discussed.
The value of spatial experience and group size for ant colonies in direct competition

Animals often search for food more efficiently with experience. However, the contribution of experience to foraging success under direct competition has rarely been examined. Here we used colonies of an individually foraging desert ant to investigate the value of spatial experience. First, we trained worker groups of equal numbers to solve either a complex or a simple maze. We then tested pairs of both groups against one another in reaching a food reward. This task required solving the same complex maze that one of the groups had been trained in, to determine which group would exploit better the food reward. The worker groups previously trained in the complex mazes reached the food reward faster and more of these workers fed on the food than those trained in simple mazes, but only in the intermediate size group. To determine the relative importance of group size versus spatial experience in exploiting food patches, we then tested smaller trained worker groups against larger untrained ones. The larger groups outcompeted the smaller ones, despite the latter's advantage of spatial experience. The contribution of spatial experience, as found here, appears to be small, and depends on group size: an advantage of a few workers of the untrained group over the trained group negates its benefits.
THE EFFECT OF PARENT'S ATTITUDES ON THE LEADERSHIP BEHAVIORS OF STUDENTS AT THE FACULTY OF SPORT SCIENCES

The aim of this study is to explore the effect of parental attitudes of students at the Faculty of Sports Sciences on their leadership behaviors. For data collection, two instruments were used in the current study to explore the leadership behaviors of students and their parental attitudes. These were: ‘The Leadership Behavior Scale’ which was developed by Hemphill and Coons [8] and adapted into Turkish by Önal [10] and ‘The Parental Attitude Scale’ which was developed by Kuzgun and Eldeklioğlu [9]. These questionnaires were administered to a total of 590 students consisting of 376 male and 214 female students. For data analysis, the SPSS statistical packet program was used for frequency analysis, and independent t-tests, one-way ANOVA and Tukey test were run to find out the source of the difference among different groups of participants. In addition, correlation analysis was performed to reveal the relationship between the students’ leadership behaviors and parental attitudes. The findings of the study showed that there was a statistically significant positive correlation between parental attitudes and leadership behaviors of the participants. Based on this finding, it was revealed that the more the parental attitudes of the participants increased, the more the students’ leadership behaviors increased.
Predictive ability of three different estimates of “cay” to excess stock returns-A comparative study South Africa U.S. -

The results of Lettau and Ludvigson (2001) show that Cay-LL has a significant predictive power both in the in-sample and the out-of-sample forecast of excess return. Our study departs from Lettau and Ludvigson (2001) in adding and comparing other two estimates of cay namely cay-OLS and cay-DLS besides cay-LL for forecasting excess return in both the United States and South Africa. Using quarterly data over the period 1988:1 to 2012:2, the results for the United States suggest that the three alternative measures of cay have positive significant predicting ability for the in-sample and out-of-sample forecasting models. Furthermore, and in line with the results of Lettau and Ludvigson (2001), cay-LL has the least mean squared forecasting errors. For the case of South Africa, lagged excess return and dividend yield beat the three alternative measures of cay in forecasting excess return. The results suggest that for the case of South Africa, the trend deviations of the macroeconomic variables is not a strong predictor of the excess stock returns over a treasury bill rate, and cannot account for a statistical significant variation in future excess returns.
Effect of Local Cold Application Prior to Venipuncture on Pain Related Response among Children in Selected Hospital Burdwan, West Bengal

A quasi–experimental study was undertaken to determine the effect of local cold application prior to venipuncture on pain-related responses among children. The conceptual framework adopted for the study was based on system model. Purposive sampling was used to select 50 children from Burdwan Medical College and Hospital, Burdwan. The tool used were interview schedule for background data, physiologic measurement for assessment of physiologic pain response, two standardized pain scale (CHEOPS and Oucher) for assessment of behavioral and subjective pain assessment. From the present study the result showed no significant difference between two groups (experimental and control) for physiologic responses however behavioral response (‘t’ df (48) = 2.01,p * < . 05) and subjective response (‘t’ df (48) = 2.01,p * < . 05) were more in the control group than in the experimental group. So, result of the study suggest that the use of local cold application prior to venipuncture can be considered an easy and effective intervention of reducing venipuncture related pain. The study has implication in the field of nursing practice, nursing education and nursing administration. Based on the study findings the recommendation was made for a comparative study on a large sample in different setting.
Students’ Perceptions of the Effects of Questioning At Pre-Reading Stage on Reading Comprehension: A Case at a Vietnamese University

Received: May 15, 2021 Research into questioning at pre-reading stage has indicated its effects on English as a foreign language (EFL) students’ reading performance. However, research into perceptions about such effects on students’ reading performance is still limited. This current study therefore aimed to explore students' perceptions of the effects of questioning at pre-reading stage on EFL students’ reading performance in a Vietnamese context. Data collected in this study include questionnaire and semi-structured interviews. Participants in this study were 118 students of English as a foreign language in English Studies program at a university in the Mekong delta. Findings from this study indicate that questioning at pre-reading stage was found to be an effective instructional tool for enhancing students’ reading performance. Pedagogical implications for teachers and students are also presented. Accepted: December 19, 2021
Genetic and Metabolic Determinants of Plasma Levels of ANGPTL 8

Context: ANGPTL8 (A8) plays a key role in determining the tissue fate of circulating triglycerides (TGs). Plasma A8 levels are associated with several parameters of glucose and TG metabolism, but the causality of these relationships and the contribution of genetic variants to differences in A8 levels have not been explored. Objective: To characterize the frequency distribution of plasma A8 levels in a diverse population using a newly-developed enzyme-linked immunosorbent assay (ELISA) and to identify genetic factors contributing to differences in plasma A8 levels. Methods: We studied a population-based sample of Dallas County, comprising individuals in the Dallas Heart Study (DHS-1, n = 3538; DHS-2, n = 3283), including 2131 individuals with repeated measurements 7 to 9 years apart (age 18-85 years; >55% female; 52% Black; 29% White; 17% Hispanic; and 2% other). The main outcome measures were associations D ow naded rom http/academ ic.p.com /cem /advance-adoi/10.1210/clinem /dgab0/6146814 by gest on 28 April 2021 2 The Journal of Clinical Endocrinology & Metabolism, 2021, Vol. XX, No. XX of A8 levels with body mass index (BMI), plasma levels of glucose, insulin, lipids, and hepatic TGs, as well as DNA variants identified by exome-wide sequencing. Results: A8 levels varied over a 150-fold range (2.1-318 ng/mL; median, 13.3 ng/mL) and differed between racial/ethnic groups (Blacks > Hispanics > Whites). A8 levels correlated with BMI, fasting glucose, insulin, and TG levels. A variant in A8, R59W, accounted for 17% of the interindividual variation in A8 levels but was not associated with the metabolic parameters correlated with plasma A8 concentrations. Conclusions: A8 levels were strongly associated with indices of glucose and TG metabolism, but the lack of association of genetic variants at the A8 locus that impact A8 levels with these parameters indicates that differences in A8 levels are not causally related to the associated metabolic phenotypes.
Microbial Contamination Associated with Computer Keyboards and Mouse Devices in Diyala University

Background: Surface contamination of public user interface systems such as computer keyboards and mouse devices may play a role in community-acquired outbreaks by acting as an environmental vehicle in transmission of potential hazardous microorganisms. There is no economical way to test all keyboards and mice out there, but there is a common-sense way to prevent bacterial contamination or eliminate it if it exists. Objectives: To explore the bacterial contamination rates in multi-user and single-user computer accessories (keyboards and mouse devices) in certain colleges of the Diyala University. Materials and methods: This study was conducted in Bacteriology laboratoryColleges of Veterinary MedicineDiyala University for the period from October 2012 to April 2013. A total of 155 swabs were collected aseptically from 60 computers in 4 colleges, namely, College of Medicine, Veterinary Medicine, Science, and EducationPure Science. Swabs were streaked on blood and MacConkey's agar plates then incubated for 24 hours at 37 ̊ C. Final identification of bacterial species was based on standard bacteriological and biochemical criteria. Results: The results showed that the overall contamination rate in the four colleges was (54.8%). The highest isolation rate of bacterial contaminant was Staphylococcus epidermidis (30.6%), followed by Escherichia coli (29.4%). Fungi constitute (17.6 %) of isolates. The College of Veterinary Medicine rank at the top with significant highest contamination rate (52.7%), followed by the College of Medicine with a contamination rate (21.2). Computers of the internet centers harbor the significant highest contamination rate compared to administrative units (71.8% and 28.2%) respectively. The contamination rate was higher in mouse devices compared to keyboards (57.6% vs 42.3%). Conclusion: The study concluded that continuous education of students and employees about the risk of bacterial contamination arise from using the computers, beside the periodic disinfection of computer accessories may aid the fight against transmission and spreading of infectious pathogens.
Zarakani H et al: Mesiodistal width of the maxillary and mandibular anterior and posterior teeth www.jrmds.in

Background and objective: Many authors have emphasized the difficulty of choosing suitable replacement teeth for edentulous patients and arranging these teeth in a natural way. In dentures, mesiodistal width of anterior teeth is the most important factor, because complete denture will not be able to provide a real appearance if artificial teeth are too small. For obtaining proper occlusion, maxillary and mandibular teeth must be proportional in size. The purpose of this study is to determine correlation between the average mesiodistal width of posterior teeth and anterior teeth. Materials and methods: The sample consisted of 40 pairs of study casts of both jaws with normal occlusion (50% male and 50% female; aged 18-26). The mesiodistal width was measured directly on plaster models by use of a digital caliper (Mitutoyo, Tokyo, Japan) at the widest level of proximal contact area of the teeth. Measurements were repeated 1 day and 1 week later. Data was analyzed using SPSS 10 (Statistical Package for Social Sciences SPSS Inc., Chicago, IL). Mean and standard deviation values were calculated for each variable. Comparisons between female and male samples were made for each variable using Student's t-test. Results: The mean value for the mesiodistal width ratio of upper anterior to posterior sextant was calculated for female and male samples (1.38 ± 0.1 and 1.36 ± 0.07m respectively). The mean ratio for mesiodistal width of lower anterior to posterior sextant was calculated for female and male samples (1.00 ± 0.05 and 1.02 ± 0.05, respectively). Conclusions: the ratio of mesiodistal width of anterior teeth to posterior teeth can be used as a guideline for choosing correct artificial teeth for partially edentulous patients.
Influence of tillage and crop establishment methods on system productivity and economics in rice-wheat cropping system

An experiment was conducted to find out profitable tillage and crop establishment methods in ricewheat system in eastern Indegangatic Plain (IGP). The significantly higher yield of rice under hand and mechanical transplanting while in wheat it was under zero/rotavator till drill. Manual transplanting produced maximum system productivity which was at par with mechanical transplanting of rice. However, zero till (ZT) drill sowing produced maximum system productivity which was on par to conventional sowing. Among different crop establishment methods highest gross returns was obtained with hand transplanting but hand transplanting gave maximum net returns which was followed by mechanical transplanting and drum seeding. In wheat, ZT drill sowing recorded maximum net returns. The manual rice transplanting produced maximum gross returns and B:C ratio of the system closely followed by mechanical transplanting and both proved significantly superior to drum seeding and ZT drill sowing. It was concluded that hand/mechanical transplanting of rice followed ZT/roatavator till wheat drilling found best crop establishment methods in rice-wheat system of eastern IGP for improving productivity and profitability.
The Close AGN Reference Survey (CARS)

The [C II]λ158 μm line is one of the strongest far-infrared (FIR) lines and an important coolant in the interstellar medium of galaxies that is accessible out to high redshifts. The excitation of [C II] is complex and can best be studied in detail at low redshifts. Here we report the discovery of the highest global [C II] excess with respect to the FIR luminosity in the nearby AGN host galaxy HE 1353−1917. This galaxy is exceptional among a sample of five targets because the AGN ionization cone and radio jet directly intercept the cold galactic disk. As a consequence, a massive multiphase gas outflow on kiloparsec scales is embedded in an extended narrow-line region. Because HE 1353−1917 is distinguished by these special properties from our four bright AGN, we propose that a global [C II] excess in AGN host galaxies could be a direct signature of a multiphase AGN-driven outflow with a high mass-loading factor.
OTT_A_282906 1531..1542

*These authors contributed equally to this work Purpose: To research the effects of ATP citrate lyase (ACLY) and Sterol-regulatory element binding protein 1 (SREBP1) on the biology and lipid metabolism of colorectal cancer cells. Methods: Colorectal cancer cells Caco-2 and Lovo were transfected with ACLY or SREBP1 gene knockdown lentiviruses. Four groups were set: ACLY knockdown, SREBP1 knockdown group, empty vector-transfected (negative control), and untreated cells (blank control). Cell proliferation was measured using CCK-8, colony formation, and EdU labeling assays. Apoptosis was detected using Annexin V-APC/7AAD and JC-1 assay. Transwell migration and wound healing assays analyzed cell migration and invasion. A triglyceride test kit and oil red O stain assessed cell lipid production. Key factors related to lipid metabolism were detected. Results: ACLY and SREBP1 promoted cell proliferation at 48 and 120 h, but there was no significant difference in Caco-2 cells at 24 h, at which point the effect of SREBP1 was more important. ACLY’s effect on cell proliferation was more obvious at 120 h. Colony formation assays in Caco-2 showed similar results to the CCK-8 assay at 120 h, but ACLY knockdown had no effect in Lovo cells. EDU assays showed that ACLY or SREBP1 facilitated DNA reproduction in the two cell lines, in which SREBP1 was more significant. Knockdown of the two genes showed significant differences in Lovo cells. However, ALCY knockdown promoted apoptosis to a greater extent than SREBP1 knockdown in Caco-2 cells. In addition, ACLY and SREBP1 enhanced migration, invasion, and lipid production in both cell lines. Knockdown of ACLY or SREBP1 reduced lipid metabolism pathway gene expression in the two cell lines. Conclusion: Knockdown of ACLY and SREBP1 genes inhibit the proliferation, migration, and invasion of colorectal cancer cells, while promoting their apoptosis. Our results identified potential new targets to treat colorectal cancer via lipid synthesis modulation in cancer cells.