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https://www.readbyqxmd.com/read/28918231/highly-sensitive-surface-plasmon-resonance-biosensor-for-the-detection-of-hiv-related-dna-based-on-dynamic-and-structural-dna-nanodevices
#1
Wei Diao, Min Tang, Shijia Ding, Xinmin Li, Wenbin Cheng, Fei Mo, Xiaoyu Yan, Hongmin Ma, Yurong Yan
Early detection, diagnosis and treatment of human immune deficiency virus (HIV) infection is the key to reduce acquired immunodeficiency syndrome (AIDS) mortality. In our research, an innovative surface plasmon resonance (SPR) biosensing strategy has been developed for highly sensitive detection of HIV-related DNA based on entropy-driven strand displacement reactions (ESDRs) and double-layer DNA tetrahedrons (DDTs). ESDRs as enzyme-free and label-free signal amplification circuit can be specifically triggered by target DNA, leading to the cyclic utilization of target DNA and the formation of plentiful double-stranded DNA (dsDNA) products...
September 9, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28918033/six-highly-conserved-targets-of-rnai-revealed-in-hiv-1-infected-patients-from-russia-are-also-present-in-many-hiv-1-strains-worldwide
#2
Olga V Kretova, Daria M Fedoseeva, Maria A Gorbacheva, Natalya M Gashnikova, Maria P Gashnikova, Nataliya V Melnikova, Vladimir R Chechetkin, Yuri V Kravatsky, Nickolai A Tchurikov
RNAi has been suggested for use in gene therapy of HIV/AIDS, but the main problem is that HIV-1 is highly variable and could escape attack from the small interfering RNAs (siRNAs) due to even single nucleotide substitutions in the potential targets. To exhaustively check the variability in selected RNA targets of HIV-1, we used ultra-deep sequencing of six regions of HIV-1 from the plasma of two independent cohorts of patients from Russia. Six RNAi targets were found that are invariable in 82%-97% of viruses in both cohorts and are located inside the domains specifying reverse transcriptase (RT), integrase, vpu, gp120, and p17...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28916265/glycans-function-as-anchors-for-antibodies-and-help-drive-hiv-broadly-neutralizing-antibody-development
#3
Raiees Andrabi, Ching-Yao Su, Chi-Hui Liang, Sachin S Shivatare, Bryan Briney, James E Voss, Salar Khan Nawazi, Chung-Yi Wu, Chi-Huey Wong, Dennis R Burton
Apex broadly neutralizing HIV antibodies (bnAbs) recognize glycans and protein surface close to the 3-fold axis of the envelope (Env) trimer and are among the most potent and broad Abs described. The evolution of apex bnAbs from one donor (CAP256) has been studied in detail and many Abs at different stages of maturation have been described. Using diverse engineering tools, we investigated the involvement of glycan recognition in the development of the CAP256.VRC26 Ab lineage. We found that sialic acid-bearing glycans were recognized by germline-encoded and somatically mutated residues on the Ab heavy chain...
September 8, 2017: Immunity
https://www.readbyqxmd.com/read/28915813/the-relationship-between-burden-of-childhood-disease-and-foreign-aid-for-child-health
#4
J Clay Bavinger, Paul Wise, Eran Bendavid
BACKGROUND: We sought to examine the relationship between child specific health aid (CHA) and burden of disease. Based on existing evidence, we hypothesized that foreign aid for child health would not be proportional to burden of disease. METHODS: In order to examine CHA and burden of disease, we obtained estimates of these parameters from established sources. Estimates of disability adjusted life years (DALYs) in children (0-5 years) were obtained from the World Health Organization for 2000 and 2012...
September 15, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28915040/elucidating-the-interdependence-of-drug-resistance-from-combinations-of-mutations
#5
Debra A Ragland, Troy W Whitfield, Sook-Kyung Lee, Ronald Swanstrom, Konstantin B Zeldovich, Nese Kurt Yilmaz, Celia A Schiffer
HIV-1 protease is responsible for the cleavage of 12 non-homologous sites within the Gag and Gag-Pro-Pol polyproteins in the viral genome. Under the selective pressure of protease inhibition, the virus evolves mutations within (primary) and outside of (secondary) the active site allowing the protease to process substrates while simultaneously countering inhibition. The primary protease mutations impede inhibitor binding directly, while the secondary mutations are considered accessory mutations that compensate for a loss in fitness...
September 15, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28911256/immune-reconstitution-inflammatory-syndrome-in-patients-with-aids-and-disseminated-coccidioidomycosis-a-case-series-and-review-of-the-literature
#6
Anandit Mu, Thwe Thwe Shein, Priya Jayachandran, Simon Paul
Coccidioidomycosis causes substantial morbidity and mortality in endemic areas, and dissemination is frequent in patients with impaired cellular immunity such as AIDS. Immune reconstitution inflammatory syndrome (IRIS) is paradoxical clinical worsening after initiation of antiretroviral therapy (ART) in a patient with HIV and a simultaneous opportunistic infection (OI). Immune reconstitution inflammatory syndrome has been well described for a host of mycobacterial, viral, and fungal OIs and malignancies such as Kaposi sarcoma...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28911033/formulation-of-chitosan-with-the-polyepitope-hiv-1-protein-candidate-vaccine-efficiently-boosts-cellular-immune-responses-in-mice
#7
Ehsan Ollah Jazaeri, Atiyeh Mahdavi, Asghar Abdoli
Human immunodeficiency virus-1 (HIV-1) continues to be a major global public health issue and priority. Despite the variety of antiretroviral therapies, it seems that an effective vaccine against HIV-1 is still very necessary. An ideal HIV-1 vaccine should be able to elicit both humoral and cellular immunities. In this respect, polyepitope vaccines, incorporated from several conserved regions of HIV-1 proteins, have received much attention recently. Herein, the immunogenicity of the HIV-1 polyepitope protein-based candidate vaccines was evaluated in BALB/c mice...
November 30, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28910931/-quality-of-network-direct-reporting-of-information-about-intervention-service-in-population-at-high-risk-for-hiv-infection-in-china-2013-2014
#8
L Li, X B Cao, W Luo, C H Wang, Z Y Wu, K M Rou
Objective: To analyze the problems in the network direct reporting of information about intervention service conducted in population at high risk for HIV infection in China during 2013-2014, and provide evidence for the improvement of the network direct reporting of the intervention information. Methods: The wrong records of the intervention service in population at high-risk were collected from national AIDS prevention and treatment information system. The wrong records, including those found at county (district) level and those found at state level, were analyzed with descriptive statistical method...
September 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28910923/-a-qualitative-study-on-high-risk-behaviors-and-related-factors-of-reported-hiv-aids-cases-aged-60-years-and-above-in-some-areas-of-henan-province
#9
N Li, H Li, Y M Ma, P Y Fan, W J Yang, Q Zhu
Objective: To understand the major high risk behaviors and related factors among reported HIV/AIDS cases aged ≥60 years in some areas of Henan province. Methods: In Dengzhou, Xunxian county of Hebi and Xiangcheng county of Xuchang, where the reported number and proportion of HIV/AIDS cases aged ≥60 years were high, a face to face interview was conducted among the cases aged ≥60 years during July-August in 2016. The information about the high risk behaviors before HIV infection confirmation were collected by using a semi-structured questionnaire...
September 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28910239/social-epidemiology-in-hiv-aids-what-else-should-we-consider-to-prevent-the-hiv-aids-progression
#10
Silvia Giménez Rodríguez, Juan Manuel Morillo Velázquez
More than 35 years after the description of the first cases of a new immunodeficiency syndrome that was named AIDS, health care providers hardly have a global perspective of those factors that coexist with this syndrome and also contribute to immunosupression and progression of disease. This report presents some of these factors (drug use, nutrition, psychological conditions, socioeconomic factors) to propose some areas of research and intervention strategies that could prevent the progression of HIV/AIDS.
September 14, 2017: Social Work in Public Health
https://www.readbyqxmd.com/read/28906279/the-value-of-point-of-care-cd4-and-laboratory-viral-load-in-tailoring-antiretroviral-therapy-monitoring-strategies-to-resource-limitations
#11
Emily P Hyle, Ilesh V Jani, Katherine L Rosettie, Robin Wood, Benjamin Osher, Stephen Resch, Pamela P Pei, Paolo Maggiore, Kenneth A Freedberg, Trevor Peter, Robert A Parker, Rochelle P Walensky
OBJECTIVE: To examine the clinical and economic value of point-of-care CD4 (POC-CD4) or viral load monitoring compared with current practices in Mozambique, a country representative of the diverse resource limitations encountered by HIV treatment programs in sub-Saharan Africa. DESIGN/METHODS: We use the Cost-Effectiveness of Preventing AIDS Complications-International model to examine the clinical impact, cost (2014 US$), and incremental cost-effectiveness ratio [$/year of life saved (YLS)] of ART monitoring strategies in Mozambique...
September 24, 2017: AIDS
https://www.readbyqxmd.com/read/28904453/hospital-based-retrospective-study-of-cryptococcal-meningitis-in-a-large-cohort-from-india
#12
Karkal Ravishankar Naik, Aralikatte Onkarappa Saroja, Darshan Kiran Doshi
BACKGROUND: Cryptococcal meningitis is an important and a fatal neuroinfection. Early diagnosis and treatment is of utmost importance in reducing morbidity and mortality. MATERIALS AND METHODS: Data of patients with laboratory-confirmed cryptococcal meningitis seen in tertiary care hospital were reviewed. Details of demographic profile, clinical data, laboratory parameters, complications, and in-hospital mortality were studied. RESULTS: Among 97 patients with cryptococcal meningitis (79 men, 18 women), 88 were HIV-positive, two were diabetic, and seven were sporadic...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28903510/changes-in-liver-steatosis-after-switching-from-efavirenz-to-raltegravir-among-human-immunodeficiency-virus-infected-patients-with-nonalcoholic-fatty-liver-disease
#13
Juan Macías, María Mancebo, Dolores Merino, Francisco Téllez, M Luisa Montes-Ramírez, Federico Pulido, Antonio Rivero-Juárez, Miguel Raffo, Montserrat Pérez-Pérez, Nicolás Merchante, Manuel Cotarelo, Juan A Pineda
Background: Antiretroviral drugs with a lower potential to induce hepatic steatosis in human immunodeficiency virus (HIV) infection need to be identified. We compared the effect of switching efavirenz (EFV) to raltegravir (RAL) on hepatic steatosis among HIV-infected patients with nonalcoholic fatty liver disease (NAFLD) receiving EFV plus 2 nucleoside analogues. Methods: HIV-infected patients on EFV plus tenofovir/emtricitabine or abacavir/lamivudine with NAFLD were randomized 1:1 to switch from EFV to RAL (400 mg twice daily), maintaining nucleoside analogues unchanged, or to continue with EFV plus 2 nucleoside analogues...
September 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28902869/high-mortality-rates-in-men-initiated-on-anti-retroviral-treatment-in-kwazulu-natal-south-africa
#14
Kogieleum Naidoo, Razia Hassan-Moosa, Nonhlanhla Yende-Zuma, Dhineshree Govender, Nesri Padayatchi, Halima Dawood, Rochelle Nicola Adams, Aveshen Govender, Tilagavathy Chinappa, Salim Abdool-Karim, Quarraisha Abdool-Karim
In attaining UNAIDS targets of 90-90-90 to achieve epidemic control, understanding who the current utilizers of HIV treatment services are will inform efforts aimed at reaching those not being reached. A retrospective chart review of CAPRISA AIDS Treatment Program (CAT) patients between 2004 and 2013 was undertaken. Of the 4043 HIV-infected patients initiated on ART, 2586 (64.0%) were women. At ART initiation, men, compared to women, had significantly lower median CD4+ cell counts (113 vs 131 cells/mm3, p <0...
2017: PloS One
https://www.readbyqxmd.com/read/28902679/brief-report-peripheral-monocyte-macrophage-phenotypes-associated-with-the-evolution-of-cognitive-performance-in-hiv-infected-patients
#15
Massimiliano Fabbiani, Antonio Muscatello, Paolo Perseghin, Marco Bani, Arianna Incontri, Nicola Squillace, Giuseppe Lapadula, Andrea Gori, Alessandra Bandera
BACKGROUND: The contribution of monocyte activation in the development of HIV-associated neurocognitive disorders is not completely understood. This study aimed to explore the predictive value of peripheral monocyte/macrophage (M/M) phenotypes on the evolution of cognitive performance in a population of virologically suppressed HIV-infected patients. SETTING: Prospective, observational, longitudinal study. METHODS: HIV-1-infected patients with HIV-RNA <50copies/mL for >12 months underwent neuropsychological examination at baseline and after 1 year...
October 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28902296/an-unusual-case-of-bacillary-angiomatosis-in-the-oral-cavity-of-an-aids-patient-who-had-no-concomitant-tegumentary-lesions-case-report-and-review
#16
Walter de Araujo Eyer-Silva, Pedro Eugênio Mendes Arena Soares, Marcelo Costa Velho Mendes de Azevedo, Guilherme Almeida Rosa da Silva, Dario José Hart Pontes Signorini, Rogerio Neves-Motta, Jorge Francisco da Cunha Pinto, Lívia Machado Moura, Rodrigo Panno Basílio-de-Oliveira, Luciana Ferreira de Araujo, Alexsandra Rodrigues de Mendonça Favacho, Elba Regina Sampaio Lemos
Bacillary angiomatosis (BA) is an angioproliferative disease of immunocompromised patients that usually presents as vascular tumors in the skin and subcutaneous tissues. It is caused by chronic infections with either Bartonella henselae or B. quintana. Oral cavity BA is exceedingly rare and even rarer without simultaneous cutaneous disease. We report herein the case of a 51-year-old HIV-infected man who presented severe odynophagia and an eroded lesion on the hard palate that progressed to an oronasal fistula...
August 24, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28902293/characterization-of-leishmania-l-infantum-chagasi-in-visceral-leishmaniasis-associated-with-hiv-co-infection-in-northeastern-brazil
#17
Elaine Cristina Bomfim de Lima, Walter Lins Barbosa, Maria Edileuza Felinto de Brito, Fábio Lopes de Melo, Sinval Pinto Brandão, Zulma Maria de Medeiros
Visceral leishmaniasis, associated with HIV/AIDS coinfection, is becoming a more aggressive disease, complicating an accurate prognosis. A 21-year-old HIV-positive female presenting with clinical features of visceral leishmaniasis was enrolled in this study. Bone marrow cytology, Novy-MacNeal-Nicolle culture and kDNA PCR of peripheral blood were all positive. Typing methods, multilocus enzyme electrophoresis and ITS1-RFLP PCR of peripheral blood confirmed infection by Leishmania (L.) infantum chagasi . PCR has proved to be safer and more affordable than other characterization methods; ITS1-RFLP PCR can diagnose and type Leishmania spp...
August 24, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28901005/delivery-arrangements-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#18
REVIEW
Agustín Ciapponi, Simon Lewin, Cristian A Herrera, Newton Opiyo, Tomas Pantoja, Elizabeth Paulsen, Gabriel Rada, Charles S Wiysonge, Gabriel Bastías, Lilian Dudley, Signe Flottorp, Marie-Pierre Gagnon, Sebastian Garcia Marti, Claire Glenton, Charles I Okwundu, Blanca Peñaloza, Fatima Suleman, Andrew D Oxman
BACKGROUND: Delivery arrangements include changes in who receives care and when, who provides care, the working conditions of those who provide care, coordination of care amongst different providers, where care is provided, the use of information and communication technology to deliver care, and quality and safety systems. How services are delivered can have impacts on the effectiveness, efficiency and equity of health systems. This broad overview of the findings of systematic reviews can help policymakers and other stakeholders identify strategies for addressing problems and improve the delivery of services...
September 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28900786/the-pattern-of-secondary-cancers-in-patients-with-kaposi-sarcoma-in-the-united-states
#19
Vivek Kumar, Mohit Garg, Neha Chaudhary, Parita Soni, Charalampos S Floudas, Chiemeziem Nwanyanwu, Abhinav Chandra
PURPOSE: In the U.S., Kaposi sarcoma (KS) occurs mostly in HIV-infected patients, who are also at increased risk of developing secondary cancers. The trends in secondary cancer risk are unclear in the HAART era. METHODS: We extracted data from the SEER database on patients diagnosed with KS between 1981 and 2013, stratified into the pre-HAART (1981-1995) and HAART (1996-2013) eras. We compared the risk of secondary cancer in KS patients and the general population, and estimated the absolute risk...
September 12, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28900756/systematic-review-of-interventions-for-depression-for-people-living-with-hiv-in-africa
#20
REVIEW
Sarah M Lofgren, Noeline Nakasujja, David R Boulware
Depression interventions for individuals with HIV/AIDS in Africa are being increasingly evaluated. MEDLINE was searched using key terms: depression, Africa, and HIV, to identify depression interventions for HIV-infected adults in Africa. Perinatal women were excluded. Results were extracted and relative change in depression scores for interventions and net effect calculated. The MEDLINE search yielded 18 articles. Six of seven studies evaluating feasibility were positive, and seven of seven studies evaluating acceptability were also positive...
September 12, 2017: AIDS and Behavior
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