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Metabolic disorders in HIV

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https://www.readbyqxmd.com/read/28540084/body-composition-and-metabolic-syndrome-components-on-lipodystrophy-different-subtypes-associated-with-hiv
#1
Livia Bertazzo Sacilotto, Paulo Câmara Marques Pereira, João Paulo Vieira Manechini, Sílvia Justina Papini
HIV-associated lipodystrophy syndrome (HALS) is characterized by body fat redistribution as a consequence of the antiretroviral therapy (ART) introduction, associated with an increased risk of cardiovascular disease development. Subjective diagnosis, classified between three subtypes according to the body region on which fat is lost and/or accumulated, named lipoatrophy, lipohypertrophy, and mixed lipodystrophy, is possibly accompanied with metabolic alterations. Forty people living with HIV/AIDS (PLHA), with clinical diagnosis of HALS and from both genders, were assessed...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28527666/hepatic-steatosis-progresses-faster-in-hiv-mono-infected-than-hiv-hcv-co-infected-patients-and-is-associated-with-liver-fibrosis
#2
Thomas Pembroke, Marc Deschenes, Bertrand Lebouché, Amine Benmassaoud, Maida Sewitch, Peter Ghali, Philip Wong, Alex Halme, Elise Vuille-Lessard, Costa Pexos, Marina B Klein, Giada Sebastiani
BACKGROUND & AIMS: Hepatic steatosis (HS) seems common in patients infected with human immunodeficiency virus (HIV). However, the relative effect of HIV, as well as hepatitis C virus (HCV) in those co-infected, and the influence of HS on liver fibrosis progression are unclear. METHODS: The LIVEr disease in HIV (LIVEHIV) is a Canadian prospective Cohort using transient elastography and associated controlled attenuation parameter (CAP) to screen for HS and liver fibrosis in unselected HIV-infected adults...
May 17, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28437620/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-guidelines-for-management-of-dyslipidemia-and-prevention-of-cardiovascular-disease
#3
Paul S Jellinger, Yehuda Handelsman, Paul D Rosenblit, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, George Grunberger, Chris K Guerin, David S H Bell, Jeffrey I Mechanick, Rachel Pessah-Pollack, Kathleen Wyne, Donald Smith, Eliot A Brinton, Sergio Fazio, Michael Davidson
OBJECTIVE: The development of these guidelines is mandated by the American Association of Clinical Endocrinologists (AACE) Board of Directors and American College of Endocrinology (ACE) Board of Trustees and adheres with published AACE protocols for the standardized production of clinical practice guidelines (CPGs). METHODS: Recommendations are based on diligent reviews of the clinical evidence with transparent incorporation of subjective factors, according to established AACE/ACE guidelines for guidelines protocols...
April 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28427421/cerebrospinal-fluid-csf-biomarkers-of-iron-status-are-associated-with-csf-viral-load-antiretroviral-therapy-and-demographic-factors-in-hiv-infected-adults
#4
Stephanie M Patton, Quan Wang, Todd Hulgan, James R Connor, Peilin Jia, Zhongming Zhao, Scott L Letendre, Ronald J Ellis, William S Bush, David C Samuels, Donald R Franklin, Harpreet Kaur, Jennifer Iudicello, Igor Grant, Asha R Kallianpur
BACKGROUND: HIV-associated neurocognitive disorder (HAND) remains common, despite antiretroviral therapy (ART). HIV dysregulates iron metabolism, but cerebrospinal fluid (CSF) levels of iron and iron-transport proteins in HIV-infected (HIV+) persons are largely unknown. The objectives of this study were to characterize CSF iron-related biomarkers in HIV+ adults and explore their relationships to known predictors of HAND. METHODS: We quantified total iron, transferrin and heavy-chain (H)-ferritin by immunoassay in CSF sampled by lumbar puncture in 403 HIV+ participants in a multi-center, observational study and evaluated biomarker associations with demographic and HIV-related correlates of HAND [e...
April 21, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/28418268/the-folding-competence-of-hiv-1-tat-mediated-by-interaction-with-tar-rna
#5
Jung Min Kim, Hee Sun Choi, Baik Lin Seong
The trans-activator Tat protein of HIV-1 belongs to the large family of intrinsically disordered proteins (IDPs), and is known to recruit various host proteins for the transactivation of viral RNA synthesis. Tat protein interacts with the transactivator response RNA (TAR RNA), exhibiting RNA chaperone activities for structural rearrangement of interacting RNAs. Here, considering that Tat-TAR RNA interaction is mutually cooperative, we examined the potential role of TAR RNA as Chaperna - RNA that provides chaperone function to proteins - for the folding of HIV-1 Tat...
April 18, 2017: RNA Biology
https://www.readbyqxmd.com/read/28414683/recurrent-hypertriglyceridemic-pancreatitis-htgp-and-the-use-of-insulin-drip-as-treatment
#6
T Tran, N Lee
INTRODUCTION: Chronic pancreatitis by definition is a recurrent episode of acute pancreatitis and is commonly associated with alcoholism in the US. Another cause of chronic pancreatitis is hypertriglyceridemia (HTGP);, occurring in 1-5 percent of cases. The incidence of HTGP is higher in patients with diabetes and HIV, usually requiring triglyceride levels > 1000 mg/dL. CASE: A 33 year old man with uncontrolled type 1 diabetes and recurrent pancreatitis, first diagnosed 5 years prior, presented as a transfer from an outside hospital for a recurrent episode of HTGP...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28398960/prevalence-and-risk-factors-of-non-alcoholic-fatty-liver-disease-in-hiv-monoinfection-a-systematic-review-and-meta-analysis
#7
James B Maurice, Amee Patel, Alasdair J Scott, Krish Patel, Mark Thursz, Maud Lemoine
OBJECTIVE: to identify the prevalence and risk factors of NAFLD, NASH and fibrosis in HIV-monoinfected patients. DESIGN: Systematic review and meta-analysis. METHODS: We searched Medline and Embase and included studies that enrolled HIV-monoinfected patients with NAFLD defined by imaging and/or liver histology. Data on prevalence and risk factors for NAFLD, NASH and fibrosis were collected for meta-analysis using random effects models. RESULTS: Ten studies were included from USA (n = 4), Canada (n = 1), France (n = 2), Italy (n = 1), Japan (n = 1) and China (n = 1)...
April 10, 2017: AIDS
https://www.readbyqxmd.com/read/28397245/interactions-between-integrase-inhibitors-and-human-arginase-1
#8
Lucia Lisi, Michela Pizzoferrato, Fabiola Teresa Miscioscia, Alessandra Topai, Pierluigi Navarra
The neuro-pathogenic mechanism(s) underlying HIV-associated neurocognitive disorders are mostly unknown. HIV-infected macrophages and microglial cells play a crucial role and the metabolic fate of l-arginine may be highly relevant to microglia activation. In this context, arginase (ARG), which uses l-arginine as substrate, can be on the same time a target and source of oxidative stress and inflammation. In this study, we investigated whether integrase strand transfer inhibitors share with the other antiretroviral drugs the ability to inhibit ARG activity...
April 11, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28391909/jcl-roundtable-managing-lipid-disorders-in-patients-with-hiv
#9
REVIEW
W Virgil Brown, Judith A Aberg, Karen E Aspry, Chris T Longenecker, Merle Myerson
The HIV-AIDS epidemic has provided one of the more challenging problems in treatment of infectious diseases. As antiretroviral drugs made a very marked improvement in controlling the immunodeficiency state and patients gained in their longevity, the concern with lipid abnormalities came to the fore. The initial drugs produced a form of metabolic syndrome accompanied by very elevated plasma triglyceride concentrations. Furthermore, the drugs used to control the virus were often metabolized in a manner that interfered with lipid lowering drug therapy...
January 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28358552/determinants-of-risk-taking-in-hiv-associated-neurocognitive-disorders
#10
Daniela Gomez, Christopher Power, M John Gill, Esther Fujiwara
OBJECTIVE: Decision-making involves fronto-striatal brain areas that are particularly vulnerable to the effects of HIV infection. Some studies report impaired decision-making in people with HIV/AIDS with past or present addictions and/or accompanying HIV-associated neurocognitive disorders (HAND). The authors investigated risk-based decision-making in HIV/AIDS, separating individuals with or without accompanying HAND. METHOD: A total of 288 HIV-infected persons underwent standardized neuropsychological testing...
March 30, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28315295/proton-nmr-metabolic-profiling-of-csf-reveals-distinct-differentiation-of-meningitis-from-negative-controls
#11
Tanushri Chatterji, Suruchi Singh, Manodeep Sen, Ajai Kumar Singh, Gaurav Raj Agarwal, Deepak Kumar Singh, Janmejai Kumar Srivastava, Alka Singh, Rajeshwar Nath Srivastava, Raja Roy
BACKGROUND: Cerebrospinal fluid (CSF) is an essential bio-fluid of the central nervous system (CNS), playing a vital role in the protection of CNS and performing neuronal function regulation. The chemical composition of CSF varies during onset of meningitis, neurodegenerative disorders (positive controls) and in traumatic cases (negative controls). METHODS: The study design was broadly categorized into meningitis cases, negative controls and positive controls. Further differentiation among the three groups was carried out using Principal Component Analysis (PCA) followed by supervised Partial Least Square Discriminant Analysis (PLS-DA)...
March 15, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28299915/metabolism-plays-the-key-roles-in-th-cells-differentiation
#12
A Hosseinzadeh, S Soukhtehzari, M Ghaedi, R Mansouri
The increasing rate of autoimmunity in recent decades cannot be related to only genetic instabilities and disorders. Diet can directly influence our health. Studies have shown that there is a relationship between nutritional elements and alteration in the immune system. Among immune cells, the function of T lymphocyte is important in directing immune response. T CD4+ cells lead other immune cells to respond to pathogens by secreting cytokines. HIV+ patients, who have largely lost their T CD4+ cells, are susceptible to opportunistic infections, which do not normally affect healthy people...
December 31, 2016: Reumatismo
https://www.readbyqxmd.com/read/28293638/metabolic-disorders-in-hiv-infected-adolescents-receiving-protease-inhibitors
#13
Jeerunda Santiprabhob, Surapong Tanchaweng, Sirinoot Maturapat, Alan Maleesatharn, Watcharee Lermankul, Sirintip Sricharoenchai, Orasri Wittawatmongkol, Keswadee Lapphra, Wanatpreeya Phongsamart, Kulkanya Chokephaibulkit
Protease inhibitor (PI) may cause abnormal glucose metabolism, abnormal lipid metabolism, and metabolic syndrome in HIV-infected adults but less well studied in Asian adolescents. This cross-sectional study evaluated anthropometric factors, oral glucose tolerance test, and lipid profiles of perinatally HIV-infected Thai adolescents who had received PI-based antiretroviral therapy for at least 6 months. Eighty adolescents were enrolled [median (IQR) age 16.7 (14.6-18.0) years, 42 males]. Metabolic syndrome, prediabetes, and type 2 diabetes mellitus (T2DM) were found in 8 (10%), 17 (22...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28279163/prediction-of-virus-host-protein-protein-interactions-mediated-by-short-linear-motifs
#14
Andrés Becerra, Victor A Bucheli, Pedro A Moreno
BACKGROUND: Short linear motifs in host organisms proteins can be mimicked by viruses to create protein-protein interactions that disable or control metabolic pathways. Given that viral linear motif instances of host motif regular expressions can be found by chance, it is necessary to develop filtering methods of functional linear motifs. We conduct a systematic comparison of linear motifs filtering methods to develop a computational approach for predicting motif-mediated protein-protein interactions between human and the human immunodeficiency virus 1 (HIV-1)...
March 9, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28263456/drug-drug-interactions-and-diagnostics-for-drug-users-with-hiv-and-hiv-hcv-coinfections-introduction
#15
Jag H Khalsa, Andrew H Talal, Gene Morse
Substance use and pharmacologic treatment of co-occurring infections such as human immunodeficiency virus (HIV) and hepatitis C virus (HCV) are associated with many adverse consequences including pharmacokinetic and pharmacodynamic drug-drug interactions (DDIs). The National Institute on Drug Abuse sponsored a 2-day conference on DDIs at which clinicians/scientists from government, academia, and the pharmaceutical industry presented the most current research findings to formulate a comprehensive overview of DDIs...
March 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28223235/interleukin-32-inflammation-and-cancer
#16
REVIEW
Jin Tae Hong, Dong Ju Son, Chong Kil Lee, Do-Young Yoon, Dong Hun Lee, Mi Hee Park
Interleukin-32 (IL-32) is a novel cytokine involved in inflammation and cancer development. IL-32 gene consists of eight small exons, and IL-32 mRNA has nine alternative spliced isoforms, and was thought to be secreted because it contains an internal signal sequence and lacks a transmembrane region. IL-32 is initially expressed selectively in activated T cells by mitogen and activated NK cells and their expression is strongly augmented by microbes, mitogens, and other cytokines. The IL-32 is induced mainly by pathogens and pro-inflammatory cytokines, but IL-32 is more prominent in immune cells than in non-immune tissues...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28212619/brain-and-liver-pathology-amyloid-deposition-and-interferon-responses-among-older-hiv-positive-patients-in-the-late-haart-era
#17
Isaac H Solomon, Umberto De Girolami, Sukrutha Chettimada, Vikas Misra, Elyse J Singer, Dana Gabuzda
BACKGROUND: HIV+ patients on highly active antiretroviral therapy (HAART) with suppressed viral loads have a low incidence of HIV-associated dementia, but increased prevalence of milder forms of HIV-associated neurocognitive disorders (HAND). These milder forms of HAND are often associated with minimal histological abnormalities, and their pathophysiology is unclear. Comorbidities, altered amyloid metabolism, accelerated brain aging, and activated interferon responses are suspected to play a role in HAND pathogenesis in HAART-treated persons...
February 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28196511/antiretroviral-therapy-related-adverse-effects-can-sub-saharan-africa-cope-with-the-new-test-and-treat-policy-of-the-world-health-organization
#18
Jobert Richie N Nansseu, Jean Joel R Bigna
BACKGROUND: Recent studies have shown that early antiretroviral therapy (ART) initiation results in significant HIV transmission reduction. This is the rationale behind the "test and treat" policy of the World Health Organization (WHO). Implementation of this policy will lead to an increased incidence of ART-related adverse effects, especially in sub-Saharan Africa (SSA). Is the region yet ready to cope with such a challenging issue? MAIN BODY: The introduction and widespread use of ART have drastically changed the natural history of HIV/AIDS, but exposure to ART leads to serious medication-related adverse effects mainly explained by mitochondrial toxicities, and the situation will get worse in the near future...
February 15, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28182622/non-alcoholic-fatty-liver-disease-and-hiv-adis-a-new-way-of-modulation-of-cardiovascular-risk
#19
Mohamed H Ahmed, Nazik Elmalaika Hussian, Akif Malik, Clare Woodward, Dushyant Mital
With the advent and subsequent success of antiretroviral therapy, human immunodeficiency virus (HIV) infection has largely become a chronic condition and is increasingly seen alongside metabolic disorders such as dyslipidaemia and insulin resistance. Furthermore, the administration of antiretroviral therapy (ART) itself is associated with an increase in the incidence of metabolic risk factors (namely insulin resistance, lipoatrophy, dyslipidaemia, and abnormalities of fat distribution in HIV patients). Thus, further challenges in the management of HIV patients include the management of diabetes and the metabolic syndrome, non-alcoholic fatty liver disease (NAFLD)...
February 9, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28149649/hepatitis-c-virus-infection-and-neurological-and-psychiatric-disorders-a-review
#20
REVIEW
Lydia Yarlott, Eleanor Heald, Daniel Forton
An association between hepatitis C virus infection and neuropsychiatric symptoms has been proposed for some years. A variety of studies have been undertaken to assess the nature and severity of these symptoms, which range from fatigue and depression to defects in attention and verbal reasoning. There is evidence of mild neurocognitive impairment in some patients with HCV infection, which is not fully attributable to liver dysfunction or psychosocial factors. Further evidence of a biological cerebral effect has arisen from studies using magnetic resonance spectroscopy; metabolic abnormalities correlate with cognitive dysfunction and resemble the patterns of neuroinflammation that have been described in HIV infection...
March 2017: Journal of Advanced Research
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