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https://www.readbyqxmd.com/read/28532134/assessing-the-efficacy-of-second-line-antiretroviral-treatment-for-hiv-patients-failing-first-line-antiretroviral-therapy-in-iran-a-cohort-study
#1
Mehrnaz Rasooli-Nejad, Maryam Khazaee-Pool, Ladan Abbasian, Zahra Bayat Jozani, Sara Ahsani-Nasab, Banafsheh Moradmand Badie, Afsaneh Pargar, Gholamreza Esmaeeli Djavid
There are limited documents about HIV patients switched to second-line antiretroviral therapy (ART) in resource-limited countries. We aimed to assess the efficacy of second-line ART for HIV patients following first-line ART failure. This was a cohort study of HIV/AIDS patients with first-line ART treatment failure switched to second-line ART between January 2004 and March 2014, who followed for at least 12 months after switching. Fifty of studied patients (85%) were treated with regimens containing lopinavir/ritonavir (Kaletra) and nine of them (15%) treated with other regimes...
April 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28531893/association-study-of-serotonin-3-receptor-subunit-gene-variants-in-antipsychotic-induced-weight-gain
#2
Clement C Zai, Arun K Tiwari, Nabilah I Chowdhury, Eva J Brandl, Sajid A Shaikh, Natalie Freeman, Jeffrey A Lieberman, Herbert Y Meltzer, James L Kennedy, Daniel J Müller
BACKGROUND: Schizophrenia (SCZ) is a chronic severe neuropsychiatric disorder, where pharmacological treatment has been hindered by adverse effects, including antipsychotic-induced weight gain (AIWG) and related complications. Genetic studies have been exploring the appetite regulation and energy homeostasis pathways in AIWG with some promising leads. The serotonin system has been shown to participate in these pathways. METHODS: In the current study, we examined single nucleotide polymorphisms across the serotonin receptor genes HTR3A and HTR3B...
May 23, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28531779/overweight-postmenopausal-women-with-different-plasma-estradiol-concentrations-present-with-a-similar-pattern-of-energy-expenditure-and-substrate-oxidation-rate-before-and-after-a-fatty-meal-challenge
#3
Roberta de Souza Santos, Andressa Feijó da Silva Santos, Deborah J Clegg, Odilon Iannetta, Julio Sérgio Marchini, Vivian Marques Miguel Suen
Menopause-related withdrawal of ovarian estrogens is associated with reduced energy metabolism and overall impairment of substrate oxidation. Estradiol's withdrawal after menopause is associated with a reduction in energy metabolism and impaired substrate oxidation, which contributes to weight gain and visceral fat accumulation. Here we aimed to investigate the association between plasma estradiol concentrations and energy expenditure (EE)/substrate oxidation in a group of overweight postmenopausal women before and after a fatty meal challenge...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531762/high-dose-testosterone-enanthate-supplementation-boosts-oxidative-stress-but-exerts-little-effect-on-the-antioxidant-barrier-in-sedentary-adolescent-male-rat-liver
#4
Ewa Sadowska-Krepaa, Barbara Klapcinępa, Barbara Kłapcińska, Sławomir Jagsz, Anna Nowara, Izabela Szołtysek-Bołdys, Małgorzata Chalimoniuk, Józef Langfort, Stanisław J Chrapusta
BACKGROUND: Anabolic-androgenic steroids abuse is on the rise among adolescent boys and young men, mostly in those seeking a 'shortcut' to an improved body image. This approach is associated with the risk of severe adverse health effects, some of which involve the liver and are linked to hepatic oxidative stress. Testosterone and its esters is a cornerstone of most anabolic-androgenic steroid stacking protocols. METHODS: We assessed and compared several hepatotoxicity and liver oxidative stress indices, as well as the contents of some components of the hepatic antioxidant barrier between sedentary adolescent male rats given a 6-week course of weekly im testosterone enanthate (TE, 8 or 80mg/kgBW/week) or vehicle (sesame oil) injections...
March 11, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28531308/challenges-of-research-recruitment-in-a-university-setting-in-england
#5
Claudia Vadeboncoeur, Charlie Foster, Nick Townsend
The recruitment is an integral part of most research projects in medical sciences involving human participants. In health promotion research, there is increasing work on the impact of environments. Settings represent environments such as schools where social, physical and psychological development unfolds. In this study, we investigated weight gain in students within a university setting. Barriers to access and recruitment of university students within a specific setting, in the context of health research are discussed...
May 20, 2017: Health Promotion International
https://www.readbyqxmd.com/read/28531179/the-gingival-vein-as-a-minimally-traumatic-site-for-multiple-blood-sampling-in-guinea-pigs-and-hamsters
#6
Mariana Valotta Rodrigues, Simone Oliveira de Castro, Cynthia Zaccanini de Albuquerque, Vânia Gomes de Moura Mattaraia, Marcelo Larami Santoro
Laboratory animals are still necessary in scientific investigation and vaccine testing, but while novel methodological approaches are not available for their replacement, the search for new, humane, easy, and painless methods is necessary to diminish their stress and pain. When multiple blood samples are to be collected from hamsters and guinea pigs, the number of available venipuncture sites-which are greatly diminished in these species in comparison with other rodents due to the absence of a long tail-, harasses animal caregivers and researchers...
2017: PloS One
https://www.readbyqxmd.com/read/28531098/increase-in-weight-in-low-birth-weight-and-very-low-birth-weight-infants-fed-fortified-breast-milk-versus-formula-milk-a-retrospective-cohort-study
#7
Kris Yuet Wan Lok, Pui Hing Chau, Heidi Sze Lok Fan, Kam Ming Chan, Bill H Chan, Genevieve P C Fung, Marie Tarrant
There has been a dramatic rise in preterm births in developed countries owing to changes in clinical practices and greater use of assisted reproductive techniques. However, few studies have examined the growth and outcomes of preterm infants according to the type of feeding (with fortified breast milk or formula). The purpose of this study was to examine the effect of breast milk feedings and formula on the growth and short-term outcomes of preterm infants in Hong Kong. In a single-center retrospective cohort study, we included 642 preterm infants at gestational age <37 weeks with birth weights <2200 g...
May 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28530525/cost-effectiveness-of-nivolumab-ipilimumab-combination-therapy-compared-with-monotherapy-for-first-line-treatment-of-metastatic-melanoma-in-the-united-states
#8
Anna Oh, Dang M Tran, Leann C McDowell, Dor Keyvani, Jay Andrew Barcelon, Oscar Merino, Leslie Wilson
BACKGROUND: The approval of new immunotherapies has dramatically changed the treatment landscape of metastatic melanoma. These survival gains come with trade-offs in side effects and costs, as well as important considerations for third-party payer systems, physicians, and patients. OBJECTIVE: To develop a Markov model to determine the cost-effectiveness of nivolumab, ipilimumab, and nivolumab-ipilimumab combination as firstline therapy in metastatic melanoma, while accounting for differential effectiveness in programmed death-ligand 1 (PD-L1) positive and negative patients...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28530515/cost-effectiveness-of-strategies-to-increase-cervical-screening-uptake-at-first-invitation-strategic
#9
Apostolos Tsiachristas, Matthew Gittins, Henry Kitchener, Alastair Gray
Objective To assess the cost-effectiveness of strategies to increase cervical cancer screening uptake at first invitation (STRATEGIC trial). Methods We performed an economic analysis alongside the STRATEGIC trial, comparing each of seven novel interventions for improving cervical screening uptake with control general practices in Greater Manchester and Grampian (United Kingdom). A template was developed to measure the intervention costs. Trial estimates of screening uptake were combined with data from the literature to estimate healthcare costs of each intervention...
January 1, 2017: Journal of Medical Screening
https://www.readbyqxmd.com/read/28530417/effects-of-predictor-weighting-methods-on-incremental-validity
#10
Paul R Sackett, Jeffrey A Dahlke, Oren R Shewach, Nathan R Kuncel
It is common to add an additional predictor to a selection system with the goal of increasing criterion-related validity. Research on the incremental validity of a second predictor is generally based on forming a regression-weighted composite of the predictors. However, in practice predictors are commonly used in ways other than regression-weighted composites, and we examine the robustness of incremental validity findings to other ways of using predictors, namely, unit weighting and multiple hurdles. We show that there are settings in which the incremental value of a second predictor disappears, and can even produce lower validity than the first predictor alone, when these alternatives to regression weighting are used...
May 22, 2017: Journal of Applied Psychology
https://www.readbyqxmd.com/read/28529823/obesity-and-sexual-abuse-in-american-indians-and-alaska-natives
#11
James A Levine, Shelly K McCrady-Spitzer, William Bighorse
Mainstream American culture frequently minimizes the prevalence and significance of sexual abuse. Unfortunately, this denial of extensive victimization of women is also present in many underserved populations. In June 2007, Amnesty International released its report on sexual abuse in indigenous women, which states that, "One in three Native American or Alaska Native women will be raped at some point in their lives. Most do not seek justice because they know they will be met with inaction or indifference." This report highlighted an infrequently discussed issue namely, very high levels of sexual abuse in Native American and Alaska Native women...
August 2016: Journal of Obesity & Weight Loss Therapy
https://www.readbyqxmd.com/read/28529756/a-socioecological-framework-for-research-on-work-and-obesity-in-diverse-urban-transit-operators-based-on-gender-race-and-ethnicity
#12
REVIEW
BongKyoo Choi, Peter Schnall, Marnie Dobson, Haiou Yang, Dean Baker, YoungJu Seo
Urban transit (bus and rail) operators, totaling nearly 700,000 persons, are one of the heaviest occupational groups in the United States (US). Little is known about occupational risk factors for weight gain and obesity and their interrelationship with health-related behaviors, particularly among female minority (African Americans and Hispanics) transit operators who are at greater risk for obesity. As a step towards developing successful obesity interventions among urban transit operators, this paper aims to present a new socioecological framework for studying working conditions, chronic strain, health-related behaviors, weight gain/obesity, and obesity disparity in diverse urban transit operators based on gender, race, and ethnicity...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28529739/long-term-supplementation-with-young-coconut-juice-does-not-prevent-bone-loss-but-rather-alleviates-body-weight-gain-in-ovariectomized-rats
#13
Hiroshi Matsushita, Akira Minami, Hiroaki Kanazawa, Takashi Suzuki, Sanan Subhadhirasakul, Kazushi Watanabe, Akihiko Wakatsuki
Young coconut (Cocos nucifera Linn.) juice (YCJ) has traditionally been consumed to alleviate symptoms associated with the menopause. Recently, the authors demonstrated that short-term (6-week) YCJ supplementation to ovariectomized rats resulted in increased bone mass and bone formation parameter, suggesting that YCJ consumption has a positive effect on bone metabolism and may represent an intervention to help slow the bone loss during menopause transition. The present study sought to determine how long-term (12-week) YCJ supplementation affects bone metabolism in ovariectomized rats, to investigate whether such supplementation may be helpful to in osteoporosis treatment...
May 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28529331/butyrylcholinesterase-regulates-central-ghrelin-signaling-and-impacts-food-intake-and-glucose-homeostasis
#14
V P Chen, Y Gao, L Geng, S Brimijoin
BACKGROUND: Ghrelin is the only orexigenic hormone known to stimulate food intake and promote obesity and insulin resistance. We recently showed that plasma ghrelin is controlled by butyrylcholinesterase (BChE), which has a strong impact on feeding and weight gain. BChE knockout (KO) mice are prone to obesity on high-fat diet but hepatic BChE gene transfer rescues normal food intake and obesity resistance. However, these mice lack brain BChE and still develop hyperinsulinemia and insulin resistance, suggesting essential interactions between BChE and ghrelin within the brain...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529330/dietary-medium-chain-saturated-fatty-acids-induce-gene-expression-of-energy-metabolism-related-pathways-in-adipose-tissue-of-abdominally-obese-subjects
#15
J C Matualatupauw, M Bohl, S Gregersen, K Hermansen, L A Afman
BACKGROUND: Dietary medium-chain saturated fatty acids (MC-SFAs) have been shown to reduce total body fat. Previously, we showed that MC-SFAs prevent body fat accumulation, despite weight gain. Here, we aim to explore potential molecular mechanisms underlying the protective effect of MC-SFAs on body fat gain. METHODS: The DairyHealth study examined the long-term effects of milk protein and milk fat with a low or high content of MC-SFA. In this 12 week, randomized, double-blind, diet intervention study, participants consumed 60 g milk protein (whey or casein) and 63 g milk fat (high MC-SFA or low MC-SFA) daily in a 2 by 2 factorial design...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529195/rapid-web-based-platform-for-assessment-of-orthopedic-surgery-patient-care-milestones-a-2-year-validation
#16
Kenneth R Gundle, Dayne T Mickelson, Arien Cherones, Jason Black, Doug P Hanel
OBJECTIVE: To determine the validity, feasibility, and responsiveness of a new web-based platform for rapid milestone-based evaluations of orthopedic surgery residents. SETTING: Single academic medical center, including a trauma center and pediatrics tertiary hospital. PARTICIPANTS: Forty residents (PG1-5) in an orthopedic residency program and their faculty evaluators. METHODS: Residents and faculty were trained and supported in the use of a novel trainee-initiated web-based evaluation system...
May 18, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28528874/animal-health-and-greenhouse-gas-intensity-the-paradox-of-periparturient-parasitism
#17
J G M Houdijk, B J Tolkamp, J A Rooke, M R Hutchings
Here we provide the first known direct measurements of pathogen challenge impacts on greenhouse gas (GHG) production, yield and intensity. Twin-rearing ewes were ad libitum fed pelleted lucerne from day -32 to 36 (day 0 is parturition), and repeatedly infected with 10,000 Teladorsagia circumcincta infective larvae (n=16), or sham-dosed with water (n=16). A third group of 16 ewes were fed at 80% of uninfected ewes' feed intake during lactation. Methane emissions were measured in respiration chambers (day 30 to 36) whilst total tract apparent nutrient digestibility around day 28 informed calculated manure methane and nitrous oxide emissions estimates...
May 18, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28528593/polymannuronic-acid-ameliorated-obesity-and-inflammation-associated-with-a-high-fat-and-high-sucrose-diet-by-modulating-the-gut-microbiome-in-a-murine-model
#18
Fang Liu, Xiong Wang, Hongjie Shi, Yuming Wang, Changhu Xue, Qing-Juan Tang
Polymannuronic acid (PM), one of numerous alginates isolated from brown seaweeds, is known to possess antioxidant activities. In this study, we examined its potential role in reducing body weight gain and attenuating inflammation induced by a high-fat and high-sucrose diet (HFD) as well as its effect on modulating the gut microbiome in mice. A 30-d PM treatment significantly reduced the diet-induced body weight gain and blood TAG levels (P2·0). PM also had a profound impact on the microbial composition in the gut microbiome and resulted in a distinct microbiome structure...
May 22, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28527802/abrupt-weaning-reduces-postweaning-growth-and-is-associated-with-alterations-in-gastrointestinal-markers-of-development-in-dairy-calves-fed-an-elevated-plane-of-nutrition-during-the-preweaning-period
#19
M A Steele, J H Doelman, L N Leal, F Soberon, M Carson, J A Metcalf
The benefits of feeding elevated quantities of milk to dairy calves have been well established. However, there is a reluctance to adopt this method of feeding in commercial dairy production because of concerns around growth, health, and ruminal development during weaning. The objective of this study was to characterize the effect of an abrupt (0 d step-down) or gradual (12 d step-down) feeding scheme when calves are fed an elevated plane of nutrition (offered 1.35 kg of milk replacer/d). For this experiment, a total of 54 calves were randomly assigned to an abrupt or a gradual weaning protocol before weaning at 48 d of life...
May 17, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28526698/improving-response-in-genomic-selection-with-a-population-based-selection-strategy-optimal-population-value-selection
#20
Matthew Goiffon, Aaron Kusmec, Lizhi Wang, Guiping Hu, Patrick Schnable
Genomic selection (GS) identifies individuals for inclusion in breeding programs based on the sum of their estimated marker effects or genomic estimated breeding values (GEBVs). Due to significant correlation between GEBVs and true breeding values, this has resulted in enhanced rates of genetic gain as compared to traditional methods of selection. Three extensions to GS, weighted genomic selection (WGS), optimal haploid value (OHV) selection, and genotype building (GB) selection have been proposed to improve long-term response and to facilitate the efficient development of doubled haploids...
May 19, 2017: Genetics
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