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https://www.readbyqxmd.com/read/28545817/pre-screening-of-crude-peptides-in-a-serological-bead-based-suspension-array
#1
Tinka Jelsma, Fimme J van der Wal, Helmi Fijten, Nicolas Dailly, Evert van Dijk, Willie L Loeffen
Most serological assays detect antibody responses in biological samples through affinity of serum antibodies for antigens provided in the assay. Certain antigens, however, may be difficult to produce and/or may contain unwanted epitopes. In these cases, a practical alternative may be the use of peptides as representatives for specific epitopes. Peptides can be obtained after purification in large quantities for a modest price, but screening of a large set of peptides during development may be relatively expensive...
May 22, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28545758/the-role-of-affect-management-for-hiv-risk-reduction-for-youth-in-alternative-schools
#2
Larry K Brown, Laura Whiteley, Christopher D Houck, Lacey K Craker, Ashley Lowery, Nancy Beausoleil, Geri Donenberg
OBJECTIVE: Adolescents in alternative schools for behavioral and emotional problems have an earlier sexual onset and higher rates of sexual risk than their peers. They also often have difficulty managing strong emotions, which can impair sexual decision making. Human immunodeficiency virus (HIV) prevention programs for these adolescents may be most effective if skills for coping with strong emotions during sexual situations are included. METHOD: This article reports the 6-month outcomes of a three-arm randomized controlled trial comparing an HIV prevention intervention with affect management (AM) to a standard, skills-based HIV prevention intervention (SB), and a general health promotion intervention (HP)...
June 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28545675/changes-in-viral-hepatitis-b-screening-practices-over-time-in-west-african-hiv-clinics
#3
P A Coffie, A Patassi, A Doumbia, G Bado, E Messou, A Minga, E Allah-Kouadio, D M Zannou, M Seydi, A R Kakou, F Dabis, G Wandeler
BACKGROUND: We aimed to describe changes in hepatitis B screening practices over a 3-year period among HIV-infected patients in West Africa. METHODS: A medical chart review was conducted in urban HIV treatment centers in Ivory Coast (3 sites), Benin, Burkina Faso, Senegal, and Togo (1 site each). Among patients who started antiretroviral treatment between 2010 and 2012, 100 per year were randomly selected from each clinic. Demographic, clinical, and laboratory data was collected using a standardized questionnaire...
May 22, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28545331/socio-demographic-inequalities-in-hiv-testing-behaviour-and-hiv-prevalence-among-older-adults-in-rural-tanzania-2013
#4
Angelina Mtowa, Annette A M Gerritsen, Sally Mtenga, Mary Mwangome, Eveline Geubbels
Most HIV research in Sub-Saharan Africa (SSA) ignores persons aged 50 years and above, though a few studies have reported a high HIV prevalence among older people. This study aimed to estimate socio-demographic inequalities in HIV testing behaviour and HIV prevalence among adults aged 50+ years, living in Ifakara town, Tanzania. This cross-sectional study used data from the baseline measurement of the Ifakara MZIMA cohort study in 2012/13. Consenting participants were interviewed and tested for HIV. Associations between HIV testing behaviour and HIV prevalence with socio-demographic indicators were explored with multivariable logistic regression...
May 25, 2017: AIDS Care
https://www.readbyqxmd.com/read/28544728/index-case-finding-facilitates-identification-and-linkage-to-care-of-children-and-young-adults-living-with-hiv-aids-in-malawi
#5
Saeed Ahmed, Rachael A Sabelli, Katie Simon, Nora E Rosenberg, Elijah Kavuta, Mwelura Harawa, Spencer Dick, Frank Linzie, Peter N Kazembe, Maria H Kim
OBJECTIVES: Evaluation of a novel index case-finding and linkage-to-care program to identify and link HIV-infected children (1-15 years) and young adults (>15-24 years) to care. METHODS: HIV-infected patients enrolled in HIV services were screened and those who reported untested household members (index cases) were offered home or facility-based HIV testing and counseling (HTC) of their household by a community health worker (CHW). HIV-infected household members identified were enrolled in a follow-up program offering home and facility-based follow-up by CHWs...
May 23, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28544123/assessing-the-need-for-a-pre-exposure-prophylaxis-programme-using-the-social-media-app-grindr%C3%A2
#6
B Hampel, K Kusejko, D L Braun, J Harrison-Quintana, R Kouyos, J Fehr
OBJECTIVES: HIV pre-exposure prophylaxis (PrEP) is not approved in Switzerland and therefore must be paid for by the users themselves. We conducted a survey to find out whether men who have sex with men (MSM) in Switzerland are already taking PrEP, or are considering using it, and whether it is being taken under medical supervision or not. METHODS: Grindr® is a geosocial networking app for MSM. Between 5 and 24 January 2017, users of the app who were located in Switzerland by a global positioning system (GPS) were asked to participate in a ten-question survey on PrEP use...
May 19, 2017: HIV Medicine
https://www.readbyqxmd.com/read/28544070/the-importance-of-assessing-out-of-pocket-payments-when-the-financing-of-antiretroviral-therapy-is-transitioned-to-domestic-funding-findings-from-vietnam
#7
Benjamin Johns, Le Bao Chau, Kieu Huu Hanh, Nguyen Thuy Huong, Hoa Mai Do, Anh Thuy Duong, Long Hoang Nguyen
OBJECTIVE: To assess out-of-pocket payments and catastrophic health expenditures among antiretroviral therapy (ART) patients in Vietnam, and to model catastrophic payments under different copayment scenarios when the primary financing of ART changes to social health insurance. METHODS: Cross-sectional facility-based survey of 843 patients at 42 health facilities representative of 87% of ART patients in 2015. RESULTS: Because of donor and government funding, no payments were made for antiretroviral drugs...
May 19, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28544005/hiv-1-p55-gag-protein-induces-senescence-of-human-bone-marrow-mesenchymal-stem-cells-and-reduces-their-capacity-to-support-expansion-of-hematopoietic-stem-cells-in-vitro
#8
Ya-Hong Yuan, Shan-Shan Zhao, Xiao-Li Wang, Zhi-Ping Teng, Dong-Sheng Li, Yi Zeng
Patients with human immunodeficiency virus-1 (HIV-1) infection often present with hematopoietic failure. As the important hematopoietic support cells in the bone marrow (BM), the bone marrow mesenchymal stem cells (BMSCs) can be impacted by HIV proteins that are released by infected cells within BM. In this study, we tested whether HIV protein p55-gag could induce senescence of BMSCs and reduce their capacity to support expansion of hematopoietic stem cells in vitro. BMSCs were chronically treated with p55-gag (BMSCgag ) for up to 20 days, and their proliferative activity and senescence makers were compared to nontreated cells (BMSCcon )...
May 25, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28542640/correction-the-high-prevalence-of-hpv-and-hpv16-european-variants-in-cervical-and-anal-samples-of-hiv-seropositive-women-with-normal-pap-test-results
#9
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0176422.].
2017: PloS One
https://www.readbyqxmd.com/read/28542359/performance-evaluation-of-bd-facspresto%C3%A2-point-of-care-cd4-analyzer-to-enumerate-cd4-counts-for-monitoring-hiv-infected-individuals-in-nigeria
#10
Olubunmi Ruth Negedu-Momoh, Feyisayo Ebenezer Jegede, Ali Yakubu, Oluseyi Balogun, Musa Abdullahi, Titilope Badru, Edward Adekola Oladele, Chinedu Agbakwuru, Hadiza Khamofu, Kwasi Torpey
BACKGROUND: Despite the upsurge in support and intervention of donor agencies in HIV care and treatment programing in Sub-Sahara African, antiretroviral (ART) programs are still confronted with access and coverage challenges which influence enrolment of new patients. This study investigated the validity of point of care BD FACSPresto™ CD4 analyzer for CD4+ cell count, overall agreement, correlation, sensitivity, and specificity in comparison to a reference standard flow cytometry method...
2017: PloS One
https://www.readbyqxmd.com/read/28542329/novel-agoshrna-molecules-for-silencing-of-the-ccr5-co-receptor-for-hiv-1-infection
#11
Elena Herrera-Carrillo, Ben Berkhout
Allogeneic transplantation of blood stem cells from a CCR5-Δ32 homozygous donor to an HIV-infected individual, the "Berlin patient", led to a cure. Since then there has been a search for approaches that mimic this intervention in a gene therapy setting. RNA interference (RNAi) has evolved as a powerful tool to regulate gene expression in a sequence-specific manner and can be used to inactivate the CCR5 mRNA. Short hairpin RNA (shRNA) molecules can impair CCR5 expression, but these molecules may cause unintended side effects and they will not be processed in cells that lack Dicer, such as monocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28542260/hookworm-infection-is-associated-with-decreased-cd4-t-cell-counts-in-hiv-infected-adult-ugandans
#12
Bozena M Morawski, Miya Yunus, Emmanuel Kerukadho, Grace Turyasingura, Logose Barbra, Andrew Mijumbi Ojok, Andrew DiNardo, Stefanie Sowinski, David R Boulware, Rojelio Mejia
Most studies evaluating epidemiologic relationships between helminths and HIV have been conducted in the pre-ART era, and evidence of the impact of helminth infections on HIV disease progression remains conflicting. Less is known about helminth infection and clinical outcomes in HIV-infected adults receiving antiretroviral therapy (ART). We sampled HIV-infected adults for eight gastrointestinal parasites and correlated parasitic infection with demographic predictors, and clinical and immunologic outcomes. Contrasting with previous studies, we measured parasitic infection with a quantitative, highly sensitive and specific polymerase chain reaction (PCR) method...
May 25, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28542255/detection-of-mycobacterium-tuberculosis-from-the-stool-of-hiv-sero-positive-individuals-suspected-of-pulmonary-tuberculosis
#13
Gizaw E Abaye, Tamrat Abebe, Adane Worku, Debela Tolessa, Gobena Ameni, Adane Mihret
BACKGROUND: The impact of tuberculosis (TB) is exacerbated in Africa because of the human immunodeficiency virus (HIV) pandemic. Pulmonary tuberculosis (PTB) diagnosis is difficult in HIV-infected patients and negative sputum results are more common which leads to diagnostic delay and increases morbidity and mortality. Extra-pulmonary samples such as stool may be easier to obtain and our approach may therefore significantly improve PTB detection in people living with HIV. OBJECTIVE: To detect Mycobacterium tuberculosis from the stool of HIV sero-positive individuals suspected of pulmonary TB...
2017: PloS One
https://www.readbyqxmd.com/read/28542184/estimation-of-the-cost-effectiveness-of-hiv-prevention-portfolios-for-people-who-inject-drugs-in-the-united-states-a-model-based-analysis
#14
Cora L Bernard, Douglas K Owens, Jeremy D Goldhaber-Fiebert, Margaret L Brandeau
BACKGROUND: The risks of HIV transmission associated with the opioid epidemic make cost-effective programs for people who inject drugs (PWID) a public health priority. Some of these programs have benefits beyond prevention of HIV-a critical consideration given that injection drug use is increasing across most United States demographic groups. To identify high-value HIV prevention program portfolios for US PWID, we consider combinations of four interventions with demonstrated efficacy: opioid agonist therapy (OAT), needle and syringe programs (NSPs), HIV testing and treatment (Test & Treat), and oral HIV pre-exposure prophylaxis (PrEP)...
May 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28542081/dapivirine-vaginal-ring-use-does-not-diminish-the-effectiveness-of-hormonal-contraception
#15
Jennifer E Balkus, Thesla Palanee-Phillips, Krishnaveni Reddy, Samantha Siva, Ishana Harkoo, Clemensia Nakabiito, Kenneth Kintu, Gonasangrie Nair, Catherine Chappell, Flavia Matovu Kiweewa, Samuel Kabwigu, Logashvari Naidoo, Nitesha Jeenarain, Mark Marzinke, Lydia Soto-Torres, Elizabeth R Brown, Jared M Baeten
OBJECTIVE: To evaluate the potential for a clinically relevant drug-drug interaction with concomitant use of a dapivirine vaginal ring, a novel antiretroviral-based HIV-1 prevention strategy, and hormonal contraception by examining contraceptive efficacies with and without dapivirine ring use. DESIGN: A secondary analysis of women participating in MTN-020/ASPIRE, a randomized, double-blind, placebo-controlled trial of the dapivirine vaginal ring for HIV-1 prevention...
May 23, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28542080/manuscript-title-multidisciplinary-point-of-care-testing-in-south-african-primary-healthcare-clinics-accelerates-hiv-art-initiation-but-does-not-alter-retention-in-care
#16
Wendy S Stevens, Natasha M Gous, William B MacLeod, Lawrence C Long, Ebrahim Variava, Neil A Martinson, Ian Sanne, Regina Osih, Lesley E Scott
BACKGROUND: Lack of accessible laboratory infrastructure limits HIV antiretroviral (ART) treatment initiation, monitoring and retention in many resource-limited settings. Point-of-care testing (POCT) is advocated as a mechanism to overcome these limitations. We executed a pragmatic, prospective, randomized, controlled trial comparing the impact of POCT versus standard-of-care (SOC) on treatment initiation and retention in care. METHOD: Selected POC technologies were embedded at 3 primary health clinics in South Africa...
May 23, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28541084/the-feasibility-of-automated-eye-tracking-with-the-early-childhood-vigilance-test-of-attention-in-younger-hiv-exposed-ugandan-children
#17
Michael J Boivin, Jonathan Weiss, Ronak Chhaya, Victoria Seffren, Jorem Awadu, Alla Sikorskii, Bruno Giordani
OBJECTIVE: Tobii eye tracking was compared with webcam-based observer scoring on an animation viewing measure of attention (Early Childhood Vigilance Test; ECVT) to evaluate the feasibility of automating measurement and scoring. Outcomes from both scoring approaches were compared with the Mullen Scales of Early Learning (MSEL), Color-Object Association Test (COAT), and Behavior Rating Inventory of Executive Function for preschool children (BRIEF-P). METHOD: A total of 44 children 44 to 65 months of age were evaluated with the ECVT, COAT, MSEL, and BRIEF-P...
May 25, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28541068/cognitive-behavioral-therapy-for-body-image-and-self-care-cbt-bisc-in-sexual-minority-men-living-with-hiv-a-randomized-controlled-trial
#18
Aaron J Blashill, Steven A Safren, Sabine Wilhelm, Jonathan Jampel, S Wade Taylor, Conall O'Cleirigh, Kenneth H Mayer
OBJECTIVE: Body image disturbance is a distressing and interfering problem among many sexual minority men living with HIV, and is associated with elevated depressive symptoms and poor HIV self-care (e.g., antiretroviral therapy [ART] nonadherence). The current study tested the preliminary efficacy of a newly created intervention: cognitive-behavioral therapy for body image and self-care (CBT-BISC) for this population. METHOD: The current study entailed a 2-arm randomized controlled trial (N = 44) comparing CBT-BISC to an enhanced treatment as usual (ETAU) condition...
May 25, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28540990/change-in-renal-function-among-hiv-infected-koreans-receiving-tenofovir-disoproxil-fumarate-backbone-antiretroviral-therapy-a-3-year-follow-up-study
#19
Kyoung Hwa Lee, Ji Un Lee, Nam Su Ku, Su Jin Jeong, Sang Hoon Han, Jun Yong Choi, Young Goo Song, June Myung Kim
PURPOSE: Tenofovir disoproxil fumarate (TDF) is commonly prescribed as a fixed-dose, co-formulated antiretroviral drug for HIV-1 infection. The major concern of long-term TDF use is renal dysfunction. However, little is known about the long-term patterns of changes in renal function in HIV-infected Koreans receiving TDF. MATERIALS AND METHODS: We prospectively followed 50 HIV-infected Koreans, performing laboratory tests every 3 months during the first year and every 6 months for the next 2 years...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28540847/risk-factors-for-transmission-of-hiv-from-mother-to-child-in-bangui
#20
S C H Diemer, R N Ngbale, J D D Longo, O Bami Dienhot, C E Gaunefet
the prevalence of human immunodeficiency virus infection (HIV) in pregnant women in Central Africa is 4.5%. Although a program to prevent mother-child transmission of HIV has been implemented throughout the country, the number of infected infants continues to increase. In this context, our study sought to determine the rate of mother-child transmission of HIV and to identify the main risk factors. this prospective cross-sectional study took place from November 1, 2014, to November 1, 2015, in all 16 maternal and child health centers in Bangui...
May 24, 2017: Médecine et Santé Tropicales
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