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https://www.readbyqxmd.com/read/28633455/fetal-metabolic-stress-disrupts-immune-homeostasis-and-induces-pro-inflammatory-responses-in-hiv-1-and-cart-exposed-infants
#1
Johannes C Schoeman, Gontse P Moutloatse, Amy C Harms, Rob J Vreeken, Henriette J Scherpbier, Liesbeth Van Leeuwen, Taco W Kuijpers, Carools J Reinecke, Ruud Berger, Thomas Hankemeier, Madeleine J Bunders
Increased morbidity and fetal growth restriction are reported in uninfected children born to HIV-1-infected women treated with antiretroviral (ARV) therapy. Viruses and/or pharmacological interventions such as ARVs can induce metabolic stress skewing the cell's immune response and restricting (cell) growth. Novel metabolomic techniques provided the opportunity to investigate the impact of fetal HIV-1 and combination ARV therapy (cART)-exposure on the infants' immune-metabolome. Peroxidized lipids, generated by reactive oxygen species, were increased in cART/HIV-1-exposed infants, indicating altered mitochondrial functioning...
June 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28632475/generic-substitution-of-antiretrovirals-patients-and-health-care-providers-opinions
#2
Jennifer A Kieran, Eimear O'Reilly, Siobhan O'Dea, Colm Bergin, Aisling O'Leary
There is interest in introducing generic antiretroviral drugs (ARVs) into high-income countries in order to maximise efficiency in health care budgets. Studies examining patients' and providers' knowledge and attitudes to generic substitution in HIV are few. This was a cross-sectional, observational study with a convenience sample of adult HIV-infected patients and health care providers (HCPs). Data on demographics, knowledge of generic medicine and facilitators of generic substitution were collected. Descriptive and univariate analysis was performed using SPSS V...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28627427/144-week-efficacy-and-safety-of-a-once-daily-single-tablet-regimen-of-tenofovir-lamivudine-and-efavirenz-among-arv-na%C3%A3-ve-and-arv-experienced-hiv-1-infected-thai-adults
#3
Anchalee Avihingsanon, Wirach Maek-A-Nantawat, Sivaporn Gatechompol, Vorapot Sapsirisavat, Wanida Thiansanguankul, Jiratchaya Sophonphan, Narujakorn Thammajaruk, Sasiwimol Ubolyam, David M Burger, Kiat Ruxrungtham
OBJECTIVES: To assess the efficacy and safety of a new single tablet regimen(STR) of tenofovir disoproxil fumarate(TDF) 300mg, lamivudine(3TC) 300mg and efavirenz(EFV) 600mg in HIV-infected Thais. METHODS: This was a 144 week, prospective study among 51 treatment naïve and 49 experienced patients on separated pill of TDF, 3TC and EFV with HIV RNA<50 copies/ml. CD4, HIV RNA, liver, renal functions and lipid profiles were assessed at baseline, weeks 12, 24, 48 and then every 24 weeks...
June 13, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28622752/microvascular-fluid-exchange-during-cpb-with-deep-hypothermia-circulatory-arrest-or-low-flow
#4
Bjørg Elvevoll, Paul Husby, Venny L Kvalheim, Lodve Stangeland, Arve Mongstad, Øyvind S Svendsen
OBJECTIVE: Use of deep hypothermic low-flow (DHLF) cardiopulmonary bypass (CPB) has been associated with higher fluid loading than the use of deep hypothermia circulatory arrest (DHCA). We evaluated whether these perfusion strategies influenced fluid extravasation rates and edema generation differently per-operatively. MATERIALS AND METHODS: Twelve anesthetized pigs, randomly allocated to DHLF (n = 6) or DHCA (n = 6), underwent 2.5 hours CPB with cooling to 20°C for 30 minutes (min), followed by 30 min arrested circulation (DHCA) or 30 min low-flow circulation (DHLF) before 90 min rewarming to normothermia...
June 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28620186/phenotypic-genotypic-and-antigenic-characterization-of-emerging-avian-reoviruses-isolated-from-clinical-cases-of-arthritis-in-broilers-in-saskatchewan-canada
#5
Lisanework E Ayalew, Ashish Gupta, Jenny Fricke, Khawaja Ashfaque Ahmed, Shelly Popowich, Betty Lockerbie, Suresh K Tikoo, Davor Ojkic, Susantha Gomis
In recent years, emerging strains of pathogenic arthrogenic avian reovirus (ARV) have become a challenge to the chicken industry across USA and Canada causing significant economic impact. In this study, we characterized emerging variant ARV strains and examined their genetic and antigenic relationship with reference strains. We isolated 37 emerging variant ARV strains from tendons of broiler chickens with clinical cases of arthritis/tenosynovitis at commercial farms in Saskatchewan, Canada. Viral characterization using immunocytochemistry, gold-immunolabeling and electron microscopy revealed distinct features characteristic of ARV...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28616470/global-solutions-to-regional-challenges-bridging-the-one-health-divide-in-the-caribbean
#6
Arve Lee Willingham, Luis Cruz-Martinez, Diana G Scorpio, Christa A Gallagher
Ross University School of Veterinary Medicine, located on the Caribbean island of St. Kitts in the West Indies, hosted a multi-national, transdisciplinary One Health conference in St. Kitts and Nevis. Historically the many countries of the Caribbean carry a high burden of chronic and infectious disease and struggle with complex economic and developmental issues that continuously pressurize inhabitants and their natural environment. Considering these vast regional challenges, presentations covered diverse topics including community-based approaches for zoonotic disease control and prevention and mitigation of problems at the interface of wildlife, domestic animals, and humans...
December 2016: One Health
https://www.readbyqxmd.com/read/28606989/tlr7-8-activation-in-neutrophils-impairs-immune-complex-phagocytosis-through-shedding-of-fcgriia
#7
Christian Lood, Sabine Arve, Jeffrey Ledbetter, Keith B Elkon
Neutrophils play a crucial role in host defense. However, neutrophil activation is also linked to autoimmune diseases such as systemic lupus erythematosus (SLE), where nucleic acid-containing immune complexes (IC) drive inflammation. The role of Toll-like receptor (TLR) signaling in processing of SLE ICs and downstream inflammatory neutrophil effector functions is not known. We observed that TLR7/8 activation leads to a furin-dependent proteolytic cleavage of the N-terminal part of FcgRIIA, shifting neutrophils away from phagocytosis of ICs toward the programmed form of necrosis, NETosis...
June 12, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28605493/antiretroviral-therapy-in-geriatric-hiv-patients-the-geppo-cohort-study
#8
Silvia Nozza, Andrea Malagoli, Lilian Maia, Andrea Calcagno, Emanuele Focà, Giuseppe De Socio, Stefania Piconi, Giancarlo Orofino, Anna Maria Cattelan, Benedetto Maurizio Celesia, Elena Gervasi, Giovanni Guaraldi
Background: GEPPO is a prospective observational multi-centric cohort including HIV-infected geriatric patients. We hypothesized that the GEPPO cohort may help characterize antiretroviral (ARV) prescribing criteria used in real life by Italian infectious disease (ID) physicians. Methods: This was a cross-sectional study describing the current ARV regimen in a geriatric HIV population (≥65 years). Antiretroviral strategies were categorized as follows: (i) multidrug regimens (MDRs), which comprised triple or mega ART combinations; (ii) less drug regimens (LDRs), which comprised fewer than three ART compounds...
June 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28604445/development-of-an-hiv-testing-dashboard-to-complement-the-hiv-care-continuum-among-msm-pwid-and-heterosexuals-in-washington-dc-2007-2015
#9
Rudy Patrick, Alan Greenberg, Manya Magnus, Jenevieve Opoku, Michael Kharfen, Irene Kuo
BACKGROUND: We developed an HIV testing dashboard to complement the HIV care continuum in selected high-risk populations. Using National HIV Behavioral Surveillance (NHBS) data, we examined trends in HIV testing and care for men who have sex with men (MSM), persons who inject drugs (PWID), and heterosexuals at elevated risk (HET). METHODS: Between 2007 and 2015, 4792 participants ≥18 years old completed a behavioral survey and were offered HIV testing. For the testing dashboard, proportions ever tested, tested in the past year, testing HIV-positive, and newly testing positive were calculated...
July 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28604444/antiretroviral-therapy-use-among-hiv-infected-people-who-inject-drugs-20-cities-united-states-2009-2015
#10
Brooke E Hoots, Teresa J Finlayson, Dita Broz, Gabriela Paz-Bailey
BACKGROUND: Approximately 16% of infections among those living with diagnosed HIV infection in the United States are attributable to injection drug use. Antiretrovirals (ARVs) are recommended for all infected persons to improve health and prevent transmission. Using data from National HIV Behavioral Surveillance, we evaluated changes in ARV use from 2009 to 2015 among HIV-positive people who inject drugs (PWID). METHODS: PWID were recruited by respondent-driven sampling in 20 cities...
July 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28603710/use-of-non-prescription-remedies-by-ghanaian-human-immunodeficiency-virus-positive-persons-on-antiretroviral-therapy
#11
Amos K Laar, Awewura Kwara, Priscillia A Nortey, Augustine K Ankomah, Michael P K Okyerefo, Margaret Y Lartey
BACKGROUND: Inappropriate use of non-prescription remedies by persons living with human immunodeficiency virus (PLHIV) may result in adverse events or potentiate non-adherence to prescribed medications. This study investigated the use of non-prescription remedies among PLHIV receiving antiretroviral therapy (ART) from four treatment centers in southern Ghana. METHODS: A mixed method design using quantitative and qualitative methods was used. This article focuses on the quantitative survey of 540 respondents...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28602726/the-changing-molecular-epidemiology-of-hiv-in-the-philippines
#12
Edsel Maurice T Salvaña, Brian E Schwem, Patrick Ching, Simon D W Frost, Sharie Keanne G Ganchua, Jill Itable
BACKGROUND: The Philippines has one of the fastest-growing HIV epidemics in the world. Possible reasons for this include increased testing, increased local transmission, and possibly more aggressive strains of HIV. This study sought to determine whether local molecular subtypes of HIV have changed. METHODS: Viruses from 81 newly diagnosed, treatment-naive HIV patients were genotyped using protease and reverse transcriptase genes. Demographic characteristics and CD4 count data were collected...
June 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28600675/a-novel-capillary-nano-immunoassay-for-assessing-androgen-receptor-splice-variant-7-in-plasma-correlation-with-cd133-antigen-expression-in-circulating-tumor-cells-a-pilot-study-in-prostate-cancer-patients
#13
J L García, R Lozano, I Misiewicz-Krzeminska, J Fernández-Mateos, P Krzeminski, S Alfonso, R A Marcos, R García, F Gómez-Veiga, Á Virseda, M Herrero, D Olmos, J J Cruz-Hernández
PURPOSE: Androgen receptor (AR) splice variant 7 (AR-V7) has been related with both a higher risk of prostate cancer (PC) progression and differential responsiveness to hormonal agents versus chemotherapy. The objective of this study was to investigate the feasibility of a novel capillary nano-immunoassay in assessing AR-V7 in plasma from PC patients. METHODS: Patients with either localized or advanced PC were included in the study. Assessment of AR-V7 in plasma was performed through a capillary nano-immunoassay platform...
June 9, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28591079/genetic-analyses-of-hiv-env-associated-with-uveitis-in-antiretroviral-na%C3%A3-ve-individuals
#14
Corey A Williams-Wietzikoski, Isaac D So, Marta E Bull, Tanawan Samleerat, Kessara Pathanapitoon, Paradee Kunavisarut, Natedao Kongyai, Nicole Ngo-Giang-Huong, Lisa M Frenkel, Wasna Sirirungsi
OBJECTIVE: To analyze and compare human immunodeficiency virus type-1 (HIV) env sequences from the eye to those from the blood of individuals with uveitis attributed to HIV with the goal of gaining insight into the pathogenesis of HIV-associated eye disease. DESIGN: A prospective case series of five HIV-infected antiretroviral (ARV)-naïve individuals with uveitis negative for other pathogens. METHODS: RNA from blood plasma and ocular aqueous humor was reverse transcribed using random hexamers...
June 6, 2017: AIDS
https://www.readbyqxmd.com/read/28585361/prevalence-of-hiv-1-transmitted-drug-resistance-in-the-incarcerated-population
#15
J Sapozhnikov, J D Young, M Patel, T D Chiampas, P Vaughn, M E Badowski
OBJECTIVES: The aim of the study was to determine the prevalence of transmitted drug resistance (TDR)-associated mutations among treatment-naïve, incarcerated individuals with HIV-1 infection in the USA as well as the class TDR and antiretroviral (ARV) mutations present at baseline. METHODS: Patients over the age of 18 years were included in the study if they had been diagnosed with HIV infection, if their HIV infection was managed through telemedicine and if they were incarcerated in the State of Illinois Department of Corrections between 10 July 2010 and 29 April 2016...
June 6, 2017: HIV Medicine
https://www.readbyqxmd.com/read/28578686/challenges-and-opportunities-of-optimal-breastfeeding-in-the-context-of-hiv-option-b-guidelines
#16
Pamela Marinda, Nkandu Chibwe, Ernest Tambo, Sidney Lulanga, Christopher Khayeka-Wandabwa
BACKGROUND: In 2013, the World Health Organization released a new set of guidelines widely known as Option B+. Prior to that there were guidelines released in 2010. Option B+ recommends lifelong antiretroviral treatment for all pregnant and breastfeeding women living with Human Immunodeficiency Virus. The study aimed at investigating challenges and opportunities in implementing Infant and Young Child Feeding in the context of Prevention of Mother To Child Transmission (PMTCT) guidelines among HIV positive mothers of children aged 0-24 months...
June 2, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28578209/a-method-for-understanding-generic-procurement-of-hiv-medicines-by-developing-countries-with-patent-protection
#17
Reed F Beall, Amir Attaran
Patent protection on medicines may frustrate access by blocking generic competition. Nevertheless, circumstances may still allow for generic procurement to occur anyway, especially for humanitarian cause. But to what extent does this occur? And which legal flexibilities may facilitate such procurement? We attempted to design a replicable methodology that involved linking antiretroviral (ARV) patent data (1260 patents for 12 medicines) from a World Intellectual Property Organization patent study on the 2013 World Health Organization's (WHO) Model List of Essential Medicines to all available matching procurement records in the WHO's Global Price Reporting Mechanism...
May 4, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28570369/drug-interactions-and-the-role-of-pharmacokinetic-trials-in-guiding-choices-in-first-line-hiv-therapy-in-low-income-and-middle-income-countries
#18
Kay Seden, Marta Boffito, Saye Khoo
PURPOSE OF REVIEW: Low- and middle-income countries (LMICs) face specific challenges in the treatment of people living with HIV. Drug-drug interactions (DDIs) involving antiretrovirals (ARVs) are prevalent in all settings and have considerable potential to cause clinical harm to patients via toxicity or reduced efficacy of treatment. Differing comorbidities, endemic infections and traditional medicines may complicate ARV therapy (ART) in LMICs, which usually takes a public health approach in these settings, with fewer alternative regimens available...
July 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28570368/prioritizing-the-most-needed-formulations-to-accelerate-paediatric-antiretroviral-therapy-scale-up
#19
Martina Penazzato, Claudia Palladino, Nandita Sugandhi
PURPOSE OF REVIEW: Initiatives are in place to reach super-fast targets by 2018 for paediatric patients living with HIV. However, these efforts are unlikely to be successful until better paediatric antiretrovirals and treatment strategies are available. This commentary reviews the specific features, challenges, and recent developments in paediatric HIV treatment to determine optimal regimen sequencing and use of available drug options. It also outlines a medium and long-term vision for treatment optimization as endorsed by the paediatric antiretroviral drug optimization group...
July 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28570367/antiretroviral-dose-optimization-the-future-of-efavirenz-400%C3%A2-mg-dosing
#20
Marta Boffito, Mohammed Lamorde, Melynda Watkins, Anton Pozniak
PURPOSE OF REVIEW: Antiretroviral (ARV) therapy costs in low-income and middle-income countries are major concerns, and lower doses of first-line treatment components, when possible, would save millions of dollars, which could be used to treat more people living with HIV. RECENT FINDINGS: The Encore-1 study, followed by a detailed pharmacokinetic analysis of efavirenz 400 versus 600 mg once daily, produced enough information for the most recent ARV treatment WHO guidelines to include efavirenz 400 mg among agents used for first-line treatment...
July 2017: Current Opinion in HIV and AIDS
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