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Acquired Immune Deficiency Syndrome

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https://www.readbyqxmd.com/read/28730446/intracellular-reassociation-of-rna-dna-hybrids-that-activates-rnai-in-hiv-infected-cells
#1
Angelica N Martins, Weina Ke, Vaishnavi Jawahar, Morriah Striplin, Caryn Striplin, Eric O Freed, Kirill A Afonin
Human immunodeficiency virus Type 1 (HIV-1) is the major cause of acquired immune deficiency syndrome (AIDS). In 2014, it was estimated that 1.2 million people died from AIDS-related illnesses. RNA interference-based therapy to block HIV replication is a field that, as of now, is without any FDA-approved drugs available for clinical use. In this chapter we describe a protocol for testing and utilizing a new approach that relies on reassociation of RNA-DNA hybrids activating RNAi and blocking HIV replication in human cells...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28719316/high-mortality-and-coinfection-in-a-prospective-cohort-of-human-immunodeficiency-virus-acquired-immune-deficiency-syndrome-patients-with-histoplasmosis-in-guatemala
#2
Blanca Samayoa, Monika Roy, Angela Ahlquist Cleveland, Narda Medina, Dalia Lau-Bonilla, Christina M Scheel, Beatriz L Gomez, Tom Chiller, Eduardo Arathoon
Histoplasmosis is one of the most common and deadly opportunistic infections among persons living with human immunodeficiency virus (HIV)/acquired immune deficiency syndrome in Latin America, but due to limited diagnostic capacity in this region, few data on the burden and clinical characteristics of this disease exist. Between 2005 and 2009, we enrolled patients ≥ 18 years of age with suspected histoplasmosis at a hospital-based HIV clinic in Guatemala City. A case of suspected histoplasmosis was defined as a person presenting with at least three of five clinical or radiologic criteria...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28713804/facilitating-and-inhibiting-factors-of-sexual-behavior-among-migrants-in-transition-from-mexico-to-the-united-states
#3
Jesús Alejandro Guerra-Ordoñez, Raquel A Benavides-Torres, Rogelio Zapata-Garibay, Dora Julia Onofre-Rodríguez, María Aracely Márquez-Vega, Gabriela Zamora-Carmona
INTRODUCTION: Human immunodeficiency virus/acquired immune deficiency syndrome (HIV/AIDS) is one of the most prevalent infectious diseases in the border region of Mexico due to the flow of migrants under desperate conditions, encouraging casual and unprotected sex. Since this has become a binational public health problem, it is important to understand the factors that predict these sexual behaviors. The aim of the current study was to investigate the facilitators and inhibitors of transition in the sexual behavior of migrants from two border regions on the Mexico-United States (US) border...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28709077/phytonanotherapy-for-management-of-diabetes-using-green-synthesis-nanoparticles
#4
K Anand, C Tiloke, Pragalathan Naidoo, A A Chuturgoon
The world has a rich diversity of indigenous medicinal plants. The World Health Organization (WHO) gives high priority to eco-friendly, non-hazardous and cost effective healthcare such as the use of medicinal plants to treat various illnesses, including Human immunodeficiency virus (HIV) infection and Acquired immune deficiency syndrome (AIDS), tuberculosis (TB), diabetes mellitus (DM), malaria, and cancer. In developing countries, a high proportion of the population tends to use complementary and alternative medicines (CAM) together with conventional prescription drugs...
June 27, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28663742/hiv-progression-depends-on-codon-and-amino-acid-usage-profile-of-envelope-protein-and-associated-host-genetic-influence
#5
Ayan Roy, Rachana Banerjee, Surajit Basak
Acquired immune deficiency syndrome (AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV). Two types of HIV have been characterized: HIV-1 and HIV-2. The present study investigated whether evolutionary selection pressure differs between rapid progressor (RP), slow progressor (SP), and long-term non-progressor (LTNP) of HIV-I infected individuals. An unexpected association between the evolutionary rate of substitution in envelope (env) gene and disease progression is observed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28658836/upper-gastrointestinal-bleeding-due-to-idiopathic-oesophageal-ulceration-in-the-era-of-haart-a-vanishing-yet-pernicious-aetiology
#6
Sofia Nigar, Tagore Sunkara, Mel A Ona, Vinaya Gaduputi, Madhavi Reddy
Oesophageal ulcers are a rare cause of upper Gastrointestinal Bleeding (GIB). In patients with Acquired Immune Deficiency Syndrome (AIDS), oesophageal diseases including oesophageal ulcers are very common. Idiopathic Oesophageal Ulcers (IOU) comprises a subgroup of oesophageal ulcers with no identifiable cause. IOU mainly present as odynophagia, retrosternal chest pain, decreased oral intake, and weight loss. Upper GIB is a rare presentation. In the era of Highly Active Anti Retroviral Therapy (HAART), with improvement in CD4 count, this entity is almost forgotten...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28656926/structural-echocardiographic-abnormalities-seen-in-hiv-aids-patients-are-independent-of-cd4-count
#7
J A Ogunmodede, P M Kolo, I A Katibi, A K Salami, Abo Omotoso
INTRODUCTION: The human immunodeficiency virus (HIV) infection remains one of the most daunting public health challenges today. Cardiac involvement in HIV/acquired immune deficiency syndrome (AIDS) is frequent and has been recognized on autopsy since the emergence of the pandemic. The objective of the study was to assess the pattern of structural echocardiographic (echo) findings in HIV/AIDS patients and compare this to the echo findings in apparently healthy HIV-negative controls. MATERIALS AND METHODS: One hundred and fifty HIV-positive patients were recruited consecutively from the HIV patients attending the University of Ilorin Teaching Hospital, Ilorin, North Central, Nigeria...
June 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28634152/ensuring-inclusion-of-adolescent-key-populations-at-higher-risk-of-hiv-exposure-recommendations-for-conducting-biological-behavioral-surveillance-surveys
#8
Lisa Grazina Johnston, Justine Sass, Jeffry Acaba, Wing-Sie Cheng, Shirley Mark Prabhu
Ending acquired immune deficiency syndrome (AIDS) depends on greater efforts to reduce new human immunodeficiency virus (HIV) infections and prevent AIDS-related deaths among key populations at highest HIV risk, including males who have sex with males, sex workers, and people who inject drugs. Although adolescent key populations (AKP) are disproportionately affected by HIV, they have been largely ignored in HIV biological behavioral surveillance survey (BBSS) activities to date. This paper reviews current ethical and sampling challenges and provides suggestions to ensure AKP are included in surveillance activities, with the aim being to enhance evidence-informed, strategic, and targeted funding allocations and programs toward ending AIDS among AKP...
June 20, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28628149/-present-situation-of-awareness-of-acquired-immune-deficiency-syndrome-aids-knowledge-and-aids-related-behaviors-among-youth-students-in-gay-dating-sites
#9
(no author information available yet)
OBJECTIVE: To investigate the awareness of acquired immune deficiency syndrome (AIDS) knowledge and AIDS-related behaviors among youth students in gay dating sites, and to provide evidences for AIDS prevention education through the internet. METHODS: The students in gay dating sites, selected by a snowball sampling, were interviewed by questionnaires. Chi-square tests were used to analyze the awareness of AIDS knowledge among the students of different characteristics...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28628148/-changes-of-acquired-immune-deficiency-syndrome-related-knowledge-attitudes-behaviors-and-their-influencing-factors-among-college-students-in-beijing
#10
(no author information available yet)
OBJECTIVE: To compare acquired immune deficiency syndrome (AIDS) related knowledge, attitudes, behaviors and their influencing factors among college students in different years in Beijing, and to provide evidence for targeted health education among college students in future. METHODS: College students were selected by the stratified cluster sampling method, and a questionnaire survey was conducted among college students in year 2006 and 2016 in Beijing. The sample sizes were 1 800 and 3 001 college students, respectively...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28626409/hiv-associated-cerebellar-dysfunction-and-improvement-with-aminopyridine-therapy-a-case-report
#11
Carolin Hoyer, Angelika Alonso, Beate Schlotter-Weigel, Michael Platten, Marc Fatar
Apart from infectious causes and cerebellar dysfunction associated with acquired immune deficiency syndrome dementia or HIV-associated neurocognitive disorder, cerebellar dysfunction in HIV-positive individuals has been ascribed to granule cell neuronopathy as well as primary cerebellar atrophy without identifiable etiology. We report the case of a patient with progressive cerebellar dysfunction as the primary manifestation of HIV infection. No symptom improvement was seen under combination antiretroviral therapy, which had been established upon diagnosis, but the patient improved rapidly under 4-aminopyridine treatment, which was recommended 1 year later...
May 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/28616688/somatic-mutations-of-the-coding-microsatellites-within-the-beta-2-microglobulin-gene-in-mismatch-repair-deficient-colorectal-cancers-and-adenomas
#12
Mark Clendenning, Alvin Huang, Harindra Jayasekara, Marie Lorans, Susan Preston, Neil O'Callaghan, Bernard J Pope, Finlay A Macrae, Ingrid M Winship, Roger L Milne, Graham G Giles, Dallas R English, John L Hopper, Aung K Win, Mark A Jenkins, Melissa C Southey, Christophe Rosty, Daniel D Buchanan
In colorectal cancers (CRCs) with tumour mismatch repair (MMR) deficiency, genes involved in the host immune response that contain microsatellites in their coding regions, including beta-2-microglobulin (B2M), can acquire mutations that may alter the immune response, tumour progression and prognosis. We screened the coding microsatellites within B2M for somatic mutations in MMR-deficient CRCs and adenomas to determine associations with tumour subtypes, clinicopathological features and survival. Incident MMR-deficient CRCs from Australasian Colorectal Cancer Family Registry (ACCFR) and the Melbourne Collaborative Cohort Study participants (n = 144) and 63 adenomas from 41 MMR gene mutation carriers from the ACCFR were screened for somatic mutations within five coding microsatellites of B2M...
June 14, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28608664/trend-of-cd4-cell-counts-at-diagnosis-and-initiation-of-highly-active-antiretroviral-therapy-haart-korea-hiv-aids-cohort-study-1992-2015
#13
Min Jung Kim, Hyun Ha Chang, Sang Il Kim, Youn Jeong Kim, Dae Won Park, Chun Kang, Mee Kyung Kee, Ju Yeon Choi, Soo Min Kim, Bo Youl Choi, Woo Joo Kim, June Myung Kim, Jun Yong Choi, Young Hwa Choi, Jin Soo Lee, Shin Woo Kim
BACKGROUND: CD4+ cell counts reflect immunologic status of human immunodeficiency virus (HIV) patients. Recommended CD4+ cell counts for the initiation of highly active antiretroviral therapy (HAART) has increased over the past several years in various HIV treatment guidelines. We investigated the trend of CD4+ cell counts at diagnosis and treatment start using data from the Korea HIV/acquired immune deficiency syndrome (AIDS) Cohort Study. MATERIALS AND METHODS: The Korea HIV/AIDS Cohort Study started in 2006 and enrolled HIV patients from 21 tertiary and secondary hospitals in South Korea...
June 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/28595630/prevalence-and-risk-factors-of-poor-immune-recovery-among-adult-hiv-patients-attending-care-and-treatment-centre-in-northwestern-tanzania-following-the-use-of-highly-active-antiretroviral-therapy-a-retrospective-study
#14
Daniel W Gunda, Semvua B Kilonzo, Erasmus Kamugisha, Engelbert Z Rauya, Bonaventura C Mpondo
BACKGROUND: Highly Active Antiretroviral therapy (HAART) reverses the effect of Human Immunodeficiency Virus/Acquired Immune Deficiency Syndrome (HIV/AIDS) by durably suppressing viral replication. This allows CD4 gain to levels that are adequate enough to restore the body's capability to fight against opportunistic infections (OIs). Patients with poor immune recovery have been shown to have higher risk of developing both AIDS and non AIDS related clinical events. This study aimed at assessing the proportions and risk factors of poor immune recovery in adult HIV-infected patients on 48 months of HAART attending care and treatment center (CTC) in northwestern Tanzania...
June 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28584857/evolving-failures-in-the-delivery-of-human-immunodeficiency-virus-care-lessons-from-a-ugandan-meningitis-cohort-2006-2016
#15
Andrew G Flynn, David B Meya, Katherine Huppler Hullsiek, Joshua Rhein, Darlisha A Williams, Abdu Musubire, Bozena M Morawski, Kabanda Taseera, Alisat Sadiq, Liberica Ndyatunga, Mollie Roediger, Radha Rajasingham, Paul R Bohjanen, Conrad Muzoora, David R Boulware
BACKGROUND: Because of investments in human immunodeficiency virus (HIV) care in sub-Saharan Africa, the number of people aware of their status and receiving antiretroviral therapy (ART) has increased; however, HIV/acquired immune deficiency syndrome (AIDS) mortality still remains high. METHODS: We performed retrospective analysis of 3 sequential prospective cohorts of HIV-infected Ugandan adults presenting with AIDS and meningitis from 2006 to 2009, 2010 to 2012, and 2013 to 2016...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28582466/aberrant-plasma-il-7-and-soluble-il-7-receptor-levels-indicate-impaired-t-cell-response-to-il-7-in-human-tuberculosis
#16
Christian Lundtoft, Anthony Afum-Adjei Awuah, Jens Rimpler, Kirstin Harling, Norman Nausch, Malte Kohns, Ernest Adankwah, Franziska Lang, Laura Olbrich, Ertan Mayatepek, Ellis Owusu-Dabo, Marc Jacobsen
T-cell proliferation and generation of protective memory during chronic infections depend on Interleukin-7 (IL-7) availability and receptivity. Regulation of IL-7 receptor (IL-7R) expression and signalling are key for IL-7-modulated T-cell functions. Aberrant expression of soluble (s) and membrane-associated (m) IL-7R molecules is associated with development of autoimmunity and immune failure in acquired immune deficiency syndrome (AIDS) patients. Here we investigated the role of IL-7/IL-7R on T-cell immunity in human tuberculosis...
June 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28577469/the-interaction-between-hiv-1-nef-and-adaptor-protein-2-reduces-nef-mediated-cd4-t-cell-apoptosis
#17
Rajesh Abraham Jacob, Aaron L Johnson, Emily N Pawlak, Brennan S Dirk, Logan R Van Nynatten, S M Mansour Haeryfar, Jimmy D Dikeakos
Acquired Immune Deficiency Syndrome is characterized by a decline in CD4(+) T cells. Here, we elucidated the mechanism underlying apoptosis in Human Immunodeficiency Virus-1 (HIV-1) infection by examining host apoptotic pathways hijacked by the HIV-1 Nef protein in the CD4(+) T-cell line Sup-T1. Using a panel of Nef mutants unable to bind specific host proteins we uncovered that Nef generates pro- and anti-apoptotic signals. Apoptosis increased upon mutating the motifs involved in the interaction of Nef:AP-1 (NefM20A or NefEEEE62-65AAAA) or Nef:AP-2 (NefLL164/165AA), implying these interactions limit Nef-mediated apoptosis...
September 2017: Virology
https://www.readbyqxmd.com/read/28577243/review-on-the-biological-mechanisms-associated-with-depo-provera-and-hiv-1-risk-acquisition-in-women
#18
REVIEW
Funanani Takalani, Ndumiso N Mhlongo, Suri Moonsamy, Mahmoud E S Soliman
Women constitute more than 50% out of millions of individuals infected with HIV-1, the major causative agent of acquired immune deficiency syndrome. About 40% of HIV-1 infections have been reported to initiate in the female reproductive tract. However, the mechanisms through which these infections are spread are poorly understood; hence, there is now a major concern in women who use long acting injectable hormonal contraceptives, particularly Depo-Provera and an increase of HIV-1 risk acquisition. Based on literature, Depo-Provera has an affinity for both the glucocorticoid receptor and the progesterone receptor in the female reproductive tract...
June 3, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28573089/pakistan-needs-to-speed-up-its-human-immunodeficiency-virus-control-strategy-to-achieve-targets-in-fast-track-acquired-immune-deficiency-syndrome-response
#19
Yasir Waheed, Hasnain Waheed
In last fifteen years remarkable success in the fight against human immunodeficiency virus (HIV) is achieved globally. The number of HIV infections has decreased and the number of people on antiretroviral therapy is increased. This all is possible by strong political commitments and heavy investments in the fight against HIV. Pakistan is among few Asian countries in which HIV cases are increasing year by year since 1990. There are 94000 cases of HIV in Pakistan and only 14000 are registered with government...
May 12, 2017: World Journal of Virology
https://www.readbyqxmd.com/read/28566275/fibroblast-adapted-human-cmv-vaccines-elicit-predominantly-conventional-cd8-t-cell-responses-in-humans
#20
Susan E Murray, Pavlo A Nesterenko, Adam L Vanarsdall, Michael W Munks, Savannah M Smart, Eren M Veziroglu, Lavinia C Sagario, Ronzo Lee, Frans H J Claas, Ilias I N Doxiadis, Michael A McVoy, Stuart P Adler, Ann B Hill
Cytomegalovirus (CMV)-based vaccines have shown remarkable efficacy in the rhesus macaque model of acquired immune deficiency syndrome, enabling 50% of vaccinated monkeys to clear a subsequent virulent simian immunodeficiency virus challenge. The protective vaccine elicited unconventional CD8 T cell responses that were entirely restricted by MHC II or the nonclassical MHC I molecule, MHC-E. These unconventional responses were only elicited by a fibroblast-adapted rhesus CMV vector with limited tissue tropism; a repaired vector with normal tropism elicited conventional responses...
July 3, 2017: Journal of Experimental Medicine
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