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https://www.readbyqxmd.com/read/28798420/hiv-1-tat-induced-diarrhea-evokes-an-enteric-glia-dependent-neuroinflammatory-response-in-the-central-nervous-system
#1
Giuseppe Esposito, Elena Capoccia, Stefano Gigli, Marcella Pesce, Eugenia Bruzzese, Alessandra D'Alessandro, Carla Cirillo, Alessandro di Cerbo, Rosario Cuomo, Luisa Seguella, Luca Steardo, Giovanni Sarnelli
Despite the effectiveness of combined anti-retroviral therapy, human immunodeficiency virus (HIV) infected-patients frequently report diarrhea and neuropsychological deficits. It is claimed that the viral HIV-1 Trans activating factor (HIV-1 Tat) protein is responsible for both diarrhea and neurotoxic effects, but the underlying mechanisms are not known. We hypothesize that colonic application of HIV-1 Tat activates glial cells of the enteric nervous system (EGCs), leading to a neuroinflammatory response able to propagate to the central nervous system...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28797021/personalized-risk-index-for-neurocognitive-decline-among-people-with-well-controlled-hiv-infection
#2
Tracy Yuen, Marie-Josée Brouillette, Lesley K Fellows, Ronald J Ellis, Scott Letendre, Robert Heaton, Nancy Mayo
BACKGROUND: Little is known about the predictors of neurocognitive decline in HIV+ individuals with good virological control. Identification of modifiable risk factors would allow targeted interventions to reduce the risk of decline in higher risk individuals. The objective of this study was to develop a risk index to predict neurocognitive decline over 3 years in aviremic HIV+ individuals. METHODS: As part of the CNS HIV Anti-Retroviral Therapy Effects Research (CHARTER) study, HIV+ adults completed clinical evaluation and neuropsychological tests every 6 months...
September 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28768859/identification-of-emerging-mac-tropic-hiv-1-r5-variants-in-brain-tissue-of-patients-without-severe-neurological-complications
#3
Maria Paz Gonzalez-Perez, Paul J Peters, Olivia O'Connell, Nilsa Silva, Carole Harbison, Sheila Cummings Macri, Saravanan Kaliyaperumal, Katherine Luzuriaga, Paul R Clapham
Untreated HIV-1+ individuals frequently suffer from HIV associated neurocognitive disorders (HAND), with about 30% of AIDS patients suffering severe HIV associated dementias (HAD). Antiretroviral therapy has greatly reduced the incidence of HAND and HAD. However, there is a continuing problem of milder neurocognitive impairments in treated HIV+ patients that may be increasing with long term therapy.Here, we investigated whether envelope (env) genes could be amplified from proviral DNA or RNA derived from brain tissue of 12 individuals with normal neurology or minor neurological conditions (N/MC individuals)...
August 2, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28764205/prevalence-and-patterns-of-multimorbidity-among-human-immunodeficiency-virus-positive-people-in-odisha-india-an-exploratory-study
#4
Sanghamitra Pati, Shreeporna Bhattacharya, Subhashisa Swain
INTRODUCTION: Improved and efficient Anti-Retroviral Therapy (ART) has turned HIV positive into a chronic disorder. The increase in life expectancy and quality of life comes with an increased risk of multimorbidity from the traditional risk factors. AIM: To explore the prevalence of multimorbidity among People Living with HIV (PLHIV). MATERIALS AND METHODS: An exploratory cross-sectional study was carried out in an ART center of Odisha, India, from November 2013 to December 2013...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28761140/dynamics-and-mechanisms-of-clonal-expansion-of-hiv-1-infected-cells-in-a-humanized-mouse-model
#5
Yorifumi Satou, Hiroo Katsuya, Asami Fukuda, Naoko Misawa, Jumpei Ito, Yoshikazu Uchiyama, Paola Miyazato, Saiful Islam, Ariberto Fassati, Anat Melamed, Charles R M Bangham, Yoshio Koyanagi, Kei Sato
Combination anti-retroviral therapy (cART) has drastically improved the clinical outcome of HIV-1 infection. Nonetheless, despite effective cART, HIV-1 persists indefinitely in infected individuals. Clonal expansion of HIV-1-infected cells in peripheral blood has been reported recently. cART is effective in stopping the retroviral replication cycle, but not in inhibiting clonal expansion of the infected host cells. Thus, the proliferation of HIV-1-infected cells may play a role in viral persistence, but little is known about the kinetics of the generation, the tissue distribution or the underlying mechanism of clonal expansion in vivo...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28760612/measles-vaccines-who-position-paper-april-2017-recommendations
#6
World Health Organization
This article presents the World Health Organization's (WHO) recommendations on the use of measles vaccines excerpted from the WHO position paper on Measles vaccines: WHO position paper - April 2017, published in the Weekly Epidemiological Record [1]. This position paper replaces the 2009 WHO position paper on measles vaccines [2]. The position paper summarizes the most recent developments in the field of measles and includes removal of introduction criteria for the routine second dose of measles-containing vaccine (MCV2), guidance on when to vaccinate infants from 6months of age, and guidance on re-vaccination of HIV-infected children receiving highly active anti-retroviral therapy (HAART)...
July 28, 2017: Vaccine
https://www.readbyqxmd.com/read/28751153/ccr5-edited-gene-therapies-for-hiv-cure-closing-the-door-to-viral-entry
#7
REVIEW
Kevin G Haworth, Christopher W Peterson, Hans-Peter Kiem
Human immunodeficiency virus (HIV) was first reported and characterized more than three decades ago. Once thought of as a death sentence, HIV infection has become a chronically manageable disease. However, it is estimated that a staggering 0.8% of the world's population is infected with HIV, with more than 1 million deaths reported in 2015 alone. Despite the development of effective anti-retroviral drugs, a permanent cure has only been documented in one patient to date. In 2007, an HIV-positive patient received a bone marrow transplant to treat his leukemia from an individual who was homozygous for a mutation in the CCR5 gene...
July 24, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28748170/the-effects-of-setarud-on-the-immunological-status-of-hiv-positive-patients-efficacy-of-a-novel-multi-herbal-drug
#8
Mehdi Gholamzadeh Baeis, Ghasem Amiri, Mojtaba Miladinia
OBJECTIVE: This study examines the effect of the addition of IMOD, a novel multi-herbal drug to the highly active anti-retroviral therapy (HAART) regimen, on the immunological status of HIV-positive patients. MATERIALS AND METHODS: A randomized two-parallel-group (HAART group versus HAART+IMOD group), pretest-posttest design was used.Sixty patients with indications for treatment with the HAART regimen participated. One week before and 2 days after the treatments, immunological parameters including total lymphocyte count (TLC) and CD4 cell count were assessed...
May 2017: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28746408/microwave-magnetic-proteomics-of-macrophages-from-patients-with-hiv-associated-cognitive-impairment
#9
Yisel M Cantres-Rosario, Frances M Acevedo-Mariani, Juliana Pérez-Laspiur, William E Haskins, Marines Plaud, Yadira M Cantres-Rosario, Richard Skolasky, Israel Méndez-Bermúdez, Valerie Wojna, Loyda M Meléndez
OBJECTIVE: HIV-infected monocytes can infiltrate the blood brain barrier as differentiated macrophages to the central nervous system, becoming the primary source of viral and cellular neurotoxins. The final outcome is HIV-associated cognitive impairment (HACI), which remain prevalent today, possibly due to the longer life-span of the patients treated with combined anti-retroviral therapy. Our main goal was to characterize the proteome of monocyte-derived macrophages (MDM) from HACI patients, and its association with their cognitive status, to find novel targets for therapy...
2017: PloS One
https://www.readbyqxmd.com/read/28729798/evaluation-of-salivary-flow-rate-and-gustatory-function-in-hiv-positive-patients-with-or-without-highly-active-antiretroviral-therapy
#10
Neha Verma, Ranjitkumar Patil, Vikram Khanna, Vandana Singh, Anurag Tripathi
OBJECTIVES: The aim of this study is to evaluate the salivary flow rate and gustatory changes in HIV-positive patients on highly active anti-retroviral therapy (HAART) and without HAART. We also correlated CD4 count and salivary flow rate and gustatory function in both groups. METHODS: Sample size for each group was thirty. After obtaining informed consent, we measured salivary flow rate using Schimer's method and gustatory function using four tastants (sweet, sour, bitter, and salty) of different concentrations...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28723871/optimal-anti-retroviral-prophylaxis-in-infants-at-high-risk-of-acquiring-human-immunodeficiency-virus-a-systematic-review
#11
Sara Beste, Shaffiq Essajee, George Siberry, Alisse Hannaford, Jasmeen Dara, Nandita Sugandhi, Martina Penazzato
INTRODUCTION: The risk of perinatal HIV infection can be dramatically reduced through maternal antiretroviral therapy (ART) and infant antiretroviral (ARV) postnatal prophylaxis. The 2013 WHO guidelines recommended four to six weeks of nevirapine or zidovudine as post-natal prophylaxis, with possible extension to 12 weeks for high-risk breastfed infants. A systematic review was undertaken to determine if there is evidence for the WHO to recommend enhanced or extended prophylaxis for high-risk infants...
July 18, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28716008/does-infection-with-human-immunodeficiency-virus-have-any-impact-on-the-cardiovascular-outcomes-following-percutaneous-coronary-intervention-a-systematic-review-and-meta-analysis
#12
Pravesh Kumar Bundhun, Manish Pursun, Wei-Qiang Huang
BACKGROUND: A direct link between human immunodeficiency virus (HIV)-infected patients and the risk of cardiovascular diseases (CVD) has been shown in recent scientific research. However, this issue is controversial since other previous reports showed no apparent impact of HIV or its anti-retroviral drugs on the cardiovascular system. We aimed to systematically compare the postinterventional adverse cardiovascular outcomes which were observed in patients with and without HIV infection during a mean follow up period ranging from 1 year to 3 years...
July 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28710808/the-application-of-physiologically-based-pharmacokinetic-modelling-to-assess-the-impact-of-antiretroviral-mediated-drug-drug-interactions-on-piperaquine-antimalarial-therapy-during-pregnancy
#13
Olusola Olafuyi, Michael Coleman, Raj K S Badhan
Antimalarial therapy during pregnancy poses important safety concerns due to potential teratogenicity and maternal physiological and biochemical changes during gestation. Piperaquine (PQ) has gained interest for use in pregnancy in response to increasing resistance towards sulfadoxine-pyrimethamine in sub-Saharan Africa. Co-infection with HIV is common in many developing countries, however, little is known about the impact of anti-retroviral (ARV) mediated drug-drug interaction (DDI) on PQ pharmacokinetics during pregnancy...
July 14, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/28705181/the-impact-of-antiretroviral-therapy-on-symptom-burden-among-hiv-outpatients-with-low-cd4-count-in-rural-uganda-nested-longitudinal-cohort-study
#14
Katie Wakeham, Richard Harding, Jonathan Levin, Rosalind Parkes-Ratanshi, Anatoli Kamali, David G Lalloo
BACKGROUND: Individuals with HIV have a high prevalence of physical and psychological symptoms throughout their disease course. Despite the clinical and public health implications of unresolved pain and symptoms, little is known about the effect of anti-retroviral therapy (ART) on these outcomes. This study aimed to assess the impact on symptom burden for the year after ART initiation in individuals with a CD4 count <200 cells/uL in Uganda. METHODS: HIV-infected, ART-naıve adults referred from voluntary testing and counseling services in rural Uganda for enrollment into a randomized controlled trial to test fluconazole as primary prophylaxis against cryptococcal disease were invited to complete the Memorial Symptom Assessment Scale-Short Form (MSAS-SF) prior to commencing ART and at two subsequent follow up visits...
July 13, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/28698149/gelatin-modified-lipid-nanoparticles-for-anti-viral-drug-delivery
#15
Joshy K S, Snigdha S, Nandakumar Kalarikkal, Laly A Pothen, Sabu Thomas
The major challenges to clinical application of zidovudine are its moderate aqueous solubility and relative short half-life and serious side effects due to frequent administrations. We investigated the preparation of zidovudine-loaded nanoparticles based on lipids which were further modified with the polymer gelatin. Formulation and stability of the modified nanoparticles were analysed from the physico-chemical characterizations. The interactions of nanoparticles with blood components were tested by haemolysis and aggregation studies...
July 8, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28697732/an-assessment-of-equity-in-the-distribution-of-non-financial-health-care-inputs-across-public-primary-health-care-facilities-in-tanzania
#16
August Kuwawenaruwa, Josephine Borghi, Michelle Remme, Gemini Mtei
BACKGROUND: There is limited evidence on how health care inputs are distributed from the sub-national level down to health facilities and their potential influence on promoting health equity. To address this gap, this paper assesses equity in the distribution of health care inputs across public primary health facilities at the district level in Tanzania. METHODS: This is a quantitative assessment of equity in the distribution of health care inputs (staff, drugs, medical supplies and equipment) from district to facility level...
July 11, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28696079/impact-of-protease-inhibitor-based-anti-retroviral-therapy-on-outcomes-for-hiv-kidney-transplant-recipients
#17
Deirdre Sawinski, Brittany A Shelton, Shikha Mehta, Rhiannon D Reed, Paul A MacLennan, Sally Gustafson, Dorry L Segev, Jayme E Locke
Excellent outcomes have been demonstrated among select HIV-positive kidney transplant (KT) recipients with well-controlled infection, but to date no national study has explored outcomes among HIV+ KT recipients by antiretroviral therapy (ART) regimen. IMS pharmacy fills (1/1/01 - 10/1/12) were linked with SRTR data. 332 recipients with pre- and post-transplant fills were characterized by ART at time of transplant as protease inhibitor (PI) or non-PI based ART (88 PI vs. 244 non-PI). Cox proportional hazards models were adjusted for recipient and donor characteristics...
July 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28691499/eradication-of-hiv-from-tissue-reservoirs-challenges-for-the-cure
#18
Rebecca Rose, David J Nolan, Ekaterina Maidji, Cheryl A Stoddart, Elyse J Singer, Susanna L Lamers, Michael S McGrath
The persistence of HIV infection, even after lengthy and successful combined antiretroviral therapy (cART), has precluded an effective cure. The anatomical locations and biological mechanisms through which the viral population is maintained remain unknown. Much research has focused nearly exclusively on circulating resting T cells as the predominant source of persistent HIV, a strategy with limited success in developing an effective cure strategy. In this study, we review research supporting the importance of anatomical tissues and other immune cells for HIV maintenance and expansion, including the central nervous system, lymph nodes, and macrophages...
August 7, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28690867/determinants-of-uncontrolled-hypertension-among-clients-on-anti-retroviral-therapy-in-kadoma-city-zimbabwe-2016
#19
Pamela Nyaradzai Magande, Daniel Chirundu, Notion Tafara Gombe, More Mungati, Mufuta Tshimanga
BACKGROUND: Clients on anti-retroviral therapy (ART) are living longer and have risk of hypertension. Side effects of medicines and aging increase this risk. Hypertension prevalence among clients on ART in Kadoma City was estimated to be 30% in 2015. Of these, 61% had uncontrolled hypertension. This was high compared to 46% of hypertensives in the general population who had uncontrolled hypertension. We determined factors associated with uncontrolled hypertension among clients on ART...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28679184/influence-of-hiv-virus-in-the-hospital-stay-and-the-occurrence-of-postoperative-complications-classified-according-to-the-clavien-dindo-classification-and-in-comparison-with-the-charlson-comorbidity-index-in-patients-subjected-to-urologic-and-general-surgery
#20
Dimitrios Dimitroulis, Georgios Karaolanis, Ioannis Katafigiotis, Ioannis Anastasiou, Viktoria-Varvara Palla, Athanasios Kontos, Mordechai Duvdevani, Konstantinos Kontzoglou
OBJECTIVES: From the first time that human immunodeficiency virus (HIV) was discovered, till today both the quality of life and survival expectancy of HIV-infected patients have markedly improved. As the life expectancy of these patients increases due to the use of highly active anti-retroviral therapy (HAART) also increases the number of HIV-positive patient to be subjected to an operation. Different studies have examined the occurrence of complications in this particular group of patients and their possible susceptibility to infections or other complications that could lead to increased hospital stay, morbidity and mortality with controversial results...
June 30, 2017: Archivio Italiano di Urologia, Andrologia
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