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https://www.readbyqxmd.com/read/28640223/non-targeted-metabolomics-analysis-of-the-effects-of-tyrosine-kinase-inhibitors-sunitinib-and-erlotinib-on-heart-muscle-liver-and-serum-metabolism-in-vivo
#1
Brian C Jensen, Traci L Parry, Wei Huang, Amro Ilaiwy, James R Bain, Michael J Muehlbauer, Sara K O'Neal, Cam Patterson, Gary L Johnson, Monte S Willis
Background: More than 90 tyrosine kinases have been implicated in the pathogenesis of malignant transformation and tumor angiogenesis. Tyrosine kinase inhibitors (TKIs) have emerged as effective therapies in treating cancer by exploiting this kinase dependency. The TKI erlotinib targets the epidermal growth factor receptor (EGFR), whereas sunitinib targets primarily vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR).TKIs that impact the function of non-malignant cells and have on- and off-target toxicities, including cardiotoxicities...
June 22, 2017: Metabolites
https://www.readbyqxmd.com/read/28639995/recovery-of-bone-mineral-density-following-discontinuation-of-tenofovir-based-hiv-pre-exposure-prophylaxis
#2
David V Glidden, Kathleen Mulligan, Vanessa McMahan, Peter L Anderson, Juan Guanira, Suwat Chariyalertsak, Susan P Buchbinder, Linda Gail Bekker, Mauro Schechter, Beatriz Grinsztejn, Robert M Grant
BACKGROUND: Oral tenofovir disoproxil fumarate (TDF) for HIV prevention and treatment is associated with decreases in bone mineral density (BMD). Previous reports suggest that these changes may be reversible after discontinuation of TDF. SETTING: A metabolic substudy of 498 participants in a randomized, placebo-controlled HIV prevention trial of oral co-formulated TDF with emtricitabine (TDF/FTC, Truvada®) for HIV preexposure prophylaxis (PrEP) enrolling a global sample of men who have sex with men and trans women...
June 19, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28636255/recombinant-human-serum-albumin-for-corneal-preservation
#3
Mohit Parekh, Hossein Elbadawy, Gianni Salvalaio, Marie-Claude Amoureux, Enzo Di Iorio, Denis Fortier, Diego Ponzin, Stefano Ferrari, Alessandro Ruzza
PURPOSE: To study the performance of a completely synthetic organ culture (OC) preservation system containing recombinant human serum albumin (rHSA) for preservation of human donor corneas. METHODS: Twenty-four paired donor corneas were randomly collected, and one cornea from each donor was preserved in synthetic (experimental) and serum-based media (control). The tissues were assessed at day 0; after 6 days of preservation at room temperature (RT) in Cornea Trans(®) and Cornea Prep II(®) ; after 28 days at 31°C in Cornea Syn(®) [with rHSA] and Cornea Max(®) [with foetal calf serum (FCS)] and; 4-day post deswelling in Cornea Trans(®) and Cornea Jet(®) ...
June 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28634661/depression-and-art-initiation-among-hiv-serodiscordant-couples-in-kenya-and-uganda
#4
Jennifer Velloza, Connie Celum, Jessica E Haberer, Kenneth Ngure, Elizabeth Irungu, Nelly Mugo, Jared M Baeten, Renee Heffron
Depression is a known barrier for antiretroviral therapy (ART) adherence, but less is understood about its effects on ART initiation. We followed 1013 HIV-infected individuals participating in the Partners Demonstration Project, an open-label study of integrated pre-exposure prophylaxis (PrEP) and ART delivery for HIV serodiscordant couples in Kenya and Uganda. Associations between depression, measured annually with the Hopkins Symptoms Checklist-Depression (HSCL-D), and ART initiation were assessed with Cox proportional hazards regression...
June 20, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28634660/should-i-convince-my-partner-to-go-on-pre-exposure-prophylaxis%C3%A2-prep-the-role-of-personal-and-relationship-factors-on-prep-related-social-control-among-gay-and-bisexual-men
#5
Steven A John, Tyrel J Starks, H Jonathon Rendina, Christian Grov, Jeffrey T Parsons
An estimated 35-68% of new HIV infections among gay, bisexual, and other men who have sex with men (GBM) are transmitted through main partnerships. Pre-exposure prophylaxis (PrEP) is highly effective in reducing HIV seroconversion, yet PrEP uptake has been modest. PrEP-naïve GBM with HIV-negative, PrEP-naïve main partners enrolled in One Thousand Strong (n = 409), a U.S. national cohort of GBM, were asked about (1) the importance of partner PrEP use and (2) their willingness to convince their partner to initiate PrEP...
June 20, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28634155/perceptions-of-hiv-seriousness-risk-and-threat-among-online-samples-of-hiv-negative-men-who-have-sex-with-men-in-seven-countries
#6
Anna N Chard, Nicholas Metheny, Rob Stephenson
BACKGROUND: Rates of new HIV infections continue to increase worldwide among men who have sex with men (MSM). Despite effective prevention strategies such as condoms and pre-exposure prophylaxis (PrEP), low usage of both methods in many parts of the world hinder prevention efforts. An individual's perceptions of the risk of acquiring HIV and the seriousness they afford to seroconversion are important drivers of behavioral risk-taking. Understanding the behavioral factors suppressing the uptake of HIV prevention services is a critical step in informing strategies to improve interventions to combat the ongoing HIV pandemic among MSM...
June 20, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28631059/trends-in-hiv-risk-testing-and-treatment-among-msm-in-chicago-2004-2014-implications-for-hiv-elimination-planning
#7
Ethan Morgan, Britt Skaathun, Nicola Lancki, Antonio D Jimenez, Jesus Ramirez-Valles, Ramona Bhatia, Stephanie Masiello-Schuette, Nanette Benbow, Nikhil Prachand, John A Schneider
Men who have sex with men (MSM) in the USA continue to have high rates of HIV infection. Increasingly, in addition to behavioral factors, biomedical interventions have been found to play important roles in HIV prevention. In this analysis, we used four waves of cross-sectional data (2004, 2008, 2011, and 2014) from the National HIV Behavioral Surveillance System (NHBS) to examine trends in key behaviors and biomedical interventions among MSM in Chicago (N = 3298). Logistic regression was used to determine changes in behaviors and use of biomedical interventions...
June 19, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28626635/eosinophilic-meningoencephalitis-associated-with-rat-lungworm-angiostrongylus-cantonensis-migration-in-two-nine-banded-armadillos-dasypus-novemcinctus-and-an-opossum-didelphis-virginiana-in-the-southeastern-united-states
#8
Martha F Dalton, Heather Fenton, Christopher A Cleveland, Elizabeth J Elsmo, Michael J Yabsley
Angiostrongylus cantonensis, the rat lungworm, was the cause of neural larval migrans in two nine-banded armadillos (Dasypus novemcinctus) and one Virginia opossum (Didelphis virginiana) from the southeastern United States. Histologic findings in all three cases included eosinophilic meningoencephalitis with variable numbers of nematode larvae in the meninges or the neuroparenchyma. In two of the three cases, nematodes were extracted from brain tissue via a "squash prep" method. Identification of the nematodes was confirmed by amplification and sequence analysis of the partial cytochrome c oxidase subunit I gene from all three cases...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28623350/multiplexed-spliced-leader-sequencing-a-high-throughput-selective-method-for-rna-seq-in-trypanosomatids
#9
Bart Cuypers, Malgorzata A Domagalska, Pieter Meysman, Géraldine de Muylder, Manu Vanaerschot, Hideo Imamura, Franck Dumetz, Thomas Wolf Verdonckt, Peter J Myler, Gowthaman Ramasamy, Kris Laukens, Jean-Claude Dujardin
High throughput sequencing techniques are poorly adapted for in vivo studies of parasites, which require prior in vitro culturing and purification. Trypanosomatids, a group of kinetoplastid protozoans, possess a distinctive feature in their transcriptional mechanism whereby a specific Spliced Leader (SL) sequence is added to the 5'end of each mRNA by trans-splicing. This allows to discriminate Trypansomatid RNA from mammalian RNA and forms the basis of our new multiplexed protocol for high-throughput, selective RNA-sequencing called SL-seq...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28623303/xtractb-assay-a-mycobacterium-tuberculosis-molecular-screening-test-with-sensitivity-approaching-culture
#10
Jennifer L Reed, Debby Basu, Matthew A Butzler, Sally M McFall
Nucleic acid amplification tests are increasingly used to diagnose tuberculosis (TB) due to their speed and sensitivity compared to sputum smear microscopy. However, these tests fail to equal culture's sensitivity with sputum smear microscopy negative specimens and therefore cannot be used to rule out TB disease. For molecular tests to match culture's sensitivity, they must detect ≤10 genomic copies of Mycobacterium tuberculosis (MTB) DNA, the limit of detection of culture, process ≥1 ml of sputum ensuring sufficient number of MTB are in the reaction, and efficiently remove sputum associated inhibitors from this large sample...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28619280/it-all-depends-on-who-does-what-a-survey-of-patient-and-family-member-comfort-with-surgical-trainees-operating
#11
Michael E Petravick, Jonathan P Edgington, Olumuyiwa A Idowu, Lewis L Shi, Michael J Lee
OBJECTIVE: To measure patient and family member comfort with surgical trainees of varying levels performing different portions of surgery. DESIGN, SETTING, AND PARTICIPANTS: An electronic survey dividing surgery into 6 steps (prepping and positioning, initial incision, deep dissection, critical portions, deep suturing, and closing incision), differentiating surgical trainees by 4 levels of experience (medical student, intern, resident, and fellow), and specifying whether or not an attending surgeon is in the operating room (OR) was given to 200 patients and family members in the surgical waiting area of a single academic medical center...
June 12, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28617734/is-prep-needed-for-msm-in-west-africa-hiv-incidence-in-a-prospective-multicountry-cohort
#12
Clotilde Couderc, Bintou Dembélé Keita, Camille Anoma, Abdoulaye S Wade, Alou Coulibaly, Sylvain Ehouman, Abdou K Diop, Yves Yomb, Emilie Henry, Bruno Spire, Christian Laurent
No abstract text is available yet for this article.
July 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28616719/are-partner-race-and-intimate-partner-violence-associated-with-incident-and-newly-diagnosed-hiv-infection-in-african-american-men-who-have-sex-with-men
#13
Matthew R Beymer, Nina T Harawa, Robert E Weiss, Chelsea L Shover, Brian R Toynes, Steven Meanley, Robert K Bolan
Black gay, bisexual, and other men who have sex with men (BMSM) experience a disparate rate of HIV infections among MSM. Previous analyses have determined that STI coinfection and undiagnosed HIV infection partly explain the disparity. However, few studies have analyzed the impact of partner-level variables on HIV incidence among BMSM. Data were analyzed for BMSM who attended the Los Angeles LGBT Center from August 2011 to July 2015 (n = 1974) to identify risk factors for HIV infection. A multivariable logistic regression was used to analyze predictors for HIV prevalence among all individuals at first test (n = 1974; entire sample)...
June 14, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28615975/pre-exposure-prophylaxis-for-hiv-prevention-in-women-current-perspectives
#14
REVIEW
Charlene A Flash, Sannisha K Dale, Douglas S Krakower
There are ~900,000 new HIV infections among women every year, representing nearly half of all new HIV infections globally. In the US, nearly one-fifth of all new HIV infections occur among women, and women from racial and ethnic minority communities experience disproportionately high rates of new HIV infections. Thus, there is a need to develop and implement effective HIV prevention strategies for women in the US and internationally, with a specific need to advance strategies in minority communities. Previous studies have demonstrated that oral HIV pre-exposure prophylaxis (PrEP), the use of antiretroviral medications by HIV-uninfected persons to prevent HIV acquisition, can reduce HIV incidence among women who are adherent to PrEP...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28612340/long-acting-systemic-hiv-pre-exposure-prophylaxis-an-examination-of-the-field
#15
REVIEW
William R Lykins, Ellen Luecke, Daniel Johengen, Ariane van der Straten, Tejal A Desai
Oral pre-exposure prophylaxis for the prevention of HIV-1 transmission (HIV PrEP) has been widely successful as demonstrated by a number of clinical trials. However, studies have also demonstrated the need for patients to tightly adhere to oral dosing regimens in order to maintain protective plasma and tissue concentrations. This is especially true for women, who experience less forgiveness from dose skipping than men in clinical trials of HIV PrEP. There is increasing interest in long-acting (LA), user-independent forms of HIV PrEP that could overcome this adherence challenge...
June 13, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28607683/improving-bowel-preparation-for-colonoscopy-in-a-cost-effective-manner
#16
Syed Anjum Gardezi, Clare Tibbatts
Colonoscopy is a key investigation used to exclude large bowel pathologies including surveillance for CRC (Colorectal cancer) Poor bowel preparation (bowel prep) is one of the most important factors affecting its diagnostic yield. Different formulations of bowel prep are currently in use depending upon patient tolerance, indication & co-morbidities. In University Hospital Llandough we retrospectively reviewed the outcome of colonoscopies performed over period of 3 months, in relation to the type and outcome of bowel preparations used...
2017: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/28604443/differences-in-awareness-of-pre-exposure-prophylaxis-and-post-exposure-prophylaxis-among-groups-at-risk-for-hiv-in-new-york-state-new-york-city-and-long-island-ny-2011-2013
#17
Suzan M Walters, Alexis V Rivera, Lila Starbuck, Kathleen H Reilly, Nyasha Boldon, Bridget J Anderson, Sarah Braunstein
BACKGROUND: Pre-exposure prophylaxis (PrEP) to reduce the risk of HIV was approved in 2012 and post-exposure prophylaxis (PEP) in 2005. We report the differences in awareness of PrEP/PEP and factors associated with awareness by examining 3 risk groups (men who have sex with men (MSM), people who inject drugs, and high-risk heterosexuals). METHODS: National HIV Behavioral Surveillance system data collected in New York City (NYC) and Long Island, NY in 2011-2013 were used...
July 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28604442/awareness-willingness-and-use-of-pre-exposure-prophylaxis-among-men-who-have-sex-with-men-in-washington-dc-and-miami-dade-county-fl-national-hiv-behavioral-surveillance-2011-and-2014
#18
Rudy Patrick, David Forrest, Gabriel Cardenas, Jenevieve Opoku, Manya Magnus, Gregory Phillips, Alan Greenberg, Lisa Metsch, Michael Kharfen, Marlene LaLota, Irene Kuo
INTRODUCTION: Despite the effectiveness of oral pre-exposure prophylaxis (PrEP) for HIV prevention, knowledge, and uptake of this new prevention intervention over time has not been fully studied. Using NHBS data from 2 urban areas highly impacted by HIV, we examined awareness, use, and willingness to use daily oral PrEP and factors associated with willingness to take oral PrEP among men who have sex with men (MSM) over time. METHODS: MSM from Washington, DC and Miami, FL were recruited in 2011 and 2014 using venue-based sampling...
July 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28600755/a-review-of-hiv-pre-exposure-prophylaxis-the-female-perspective
#19
REVIEW
Jennifer L Bailey, Suzanne T Molino, Ana D Vega, Melissa Badowski
When taken consistently, pre-exposure prophylaxis (PrEP) against human immunodeficiency virus (HIV) with once daily tenofovir disoproxil fumarate-emtricitabine (TDF-FTC) has been shown to safely reduce the incidence of HIV infection in high-risk individuals by more than 90%. Yet, according to the Centers for Disease Control and Prevention, there were about 2.1 million new cases of HIV reported worldwide in 2015. Undoubtedly, there is significant room for improvement to prevent the transmission of HIV. Research to date has been heavily focused on the high-risk men who have sex with men (MSM) population, yet, many women worldwide remain at high risk of HIV transmission...
June 9, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28600749/correlates-of-preexposure-prophylaxis-prep-use-among-men%C3%A2-who-have-sex-with-men-msm-in-los-angeles-california
#20
Chukwuemeka N Okafor, Pamina M Gorbach, Amy Ragsdale, Brendan Quinn, Steve Shoptaw
We assessed socio-structural and behavioral correlates of preexposure prophylaxis (PrEP) for HIV infection among a sample of high-risk HIV-negative men who have sex with men (MSM) in Los Angeles, California. Participants from an ongoing 5-year prospective cohort study investigating the direct impacts of substance use on HIV transmission dynamics were enrolled between February 2015 and January 2017. All men completed a computer-assisted self-interview every 6 months that assessed recent (past 6 months) PrEP use and socio-structural and behavioral factors...
June 9, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
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