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Hiv co-infection

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https://www.readbyqxmd.com/read/28346490/effect-of-hiv-and-malaria-parasites-co-infection-on-immune-hematological-profiles-among-patients-attending-anti-retroviral-treatment-art-clinic-in-infectious-disease-hospital-kano-nigeria
#1
Feyisayo Ebenezer Jegede, Tinuade Ibijoke Oyeyi, Surajudeen Abiola Abdulrahman, Henry Akwen Mbah, Titilope Badru, Chinedu Agbakwuru, Oluwasanmi Adedokun
BACKGROUND: Human immunodeficiency virus (HIV) and malaria co-infection may present worse health outcomes in the tropics. Information on HIV/malaria co-infection effect on immune-hematological profiles is critical for patient care and there is a paucity of such data in Nigeria. OBJECTIVE: To evaluate immune-hematological profiles among HIV infected patients compared to HIV/malaria co-infected for ART management improvement. METHODS: This was a cross sectional study conducted at Infectious Disease Hospital, Kano...
2017: PloS One
https://www.readbyqxmd.com/read/28346018/antiretroviral-treatment-in-hiv-infected-children-who-require-a-rifamycin-containing-regimen-for-tuberculosis
#2
Helena Rabie, Eric H Decloedt, Anthony J Garcia-Prats, Mark F Cotton, Lisa Frigati, Marc Lallemant, Anneke Hesseling, H Simon Schaaf
In high prevalence settings, tuberculosis and HIV dual infection and co-treatment is frequent. Rifamycins, especially rifampicin, in combination with isoniazid, ethambutol and pyrazinamide are key components of short-course antituberculosis therapy. Areas covered: We reviewed available data, for which articles were identified by a Pubmed search, on rifamycin-antiretroviral interactions in HIV-infected children. Rifamycins have potent inducing effects on phase I and II drug metabolising enzymes and transporters...
March 27, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28343937/co-infection-of-blood-borne-viruses-in-blood-donors-a-cross-sectional-study-from-north-india
#3
Ravi C Dara, Aseem K Tiwari, Dinesh Arora, Geet Aggarwal, Ganesh Singh Rawat, Jyoti Sharma, Devi Prasad Acharya, Gunjan Bhardwaj
BACKGROUND: There are several studies on prevalence of individual infectious disease markers (mono-infection) in donors but none on prevalence of coinfection. Co-infection is significant as it leads to accelerated disease progression. We, therefore, evaluated the prevalence of co-infection among blood donors. MATERIALS AND METHODS: The cross-sectional analysis was conducted in blood donors. All donors were tested for anti-HIV I and II, HBsAg, anti-HBC IgM, anti-HCV, Malaria and syphilis by chemiluminescence and ID-NAT assay...
March 6, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28342409/perceived-health-and-alcohol-use-in-individuals-with-hiv-and-hepatitis-c-who-use-drugs
#4
Jennifer C Elliott, Deborah S Hasin, Don C Des Jarlais
BACKGROUND: Individuals who use illicit drugs are at heightened risk for HIV and/or Hepatitis C Virus (HCV). Despite the medical consequences of drinking for drug-using individuals with these infections, many do drink. In other studies, how individuals perceive their health relates to their engagement in risk behaviors such as drinking. However, among drug-using individuals with HIV and HCV, whether perceived health relates to drinking is unknown. OBJECTIVE: We examine the association between perceived health and drinking among drug-using individuals with HIV and/or HCV...
March 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28341302/health-systems-in-the-republic-of-congo-challenges-and-opportunities-for-implementing-tuberculosis-and-hiv-collaborative-service-research-and-training-activities
#5
Laure Stella Ghoma Linguissi, Luc Christian Gwom, Celine Nguefeu Nkenfou, Matthew Bates, Eskild Petersen, Alimuddin Zumla, Francine Ntoumi
The Republic of Congo is on the World Health Organization (WHO) list of 'high burden' countries for tuberculosis (TB) and HIV. TB is the leading cause of death among HIV-infected patients in the Republic of Congo. In this viewpoint, the available data on TB and HIV in the Republic of Congo are reviewed, and the gaps and bottlenecks that the National TB Control Program (NTCP) faces are discussed. Furthermore, priority requirements for developing and implementing TB and HIV collaborative service activities are identified...
March 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28340562/drug-induced-liver-injury-from-antituberculous-treatment-a-retrospective-study-from-a-large-tb-centre-in-the-uk
#6
Aula Abbara, Sarah Chitty, Jennifer K Roe, Rohma Ghani, Simon M Collin, Andrew Ritchie, Onn Min Kon, John Dzvova, Harriet Davidson, Thomas E Edwards, Charlotte Hateley, Matthew Routledge, Jim Buckley, Robert N Davidson, Laurence John
BACKGROUND: We describe drug-induced liver injury (DILI) secondary to antituberculous treatment (ATT) in a large tuberculosis (TB) centre in London; we identify the proportion who had risk factors for DILI and the timing and outcome of DILI. METHODS: We identified consecutive patients who developed DILI whilst on treatment for active TB; patients with active TB without DILI were selected as controls. Comprehensive demographic and clinical data, management and outcome were recorded...
March 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28338007/human-immunodeficiency-virus-type-1-myeloid-derived-suppressor-cells-inhibit-cytomegalovirus-inflammation-through-interleukin-27-and-b7-h4
#7
Ankita Garg, Rodney Trout, Stephen A Spector
HIV/CMV co-infected persons despite prolonged viral suppression often experience persistent immune activation, have an increased frequency of myeloid derived suppressor cells (MDSC) and are at increased risk for cardiovascular disease. We examined how HIV MDSC control CD4(+) T cell IFNγ response to a CMVpp65 peptide pool (CMVpp65). We show that HIV/CMV co-infected persons with virologic suppression and recovered CD4(+) T cells compared to HIV(-)/CMV(+) controls exhibit an increase in CD4(+)CX3CR1(+)IFNγ(+) cells in response to CMVpp65; MDSC depletion further augmented CD4(+)CX3CR1(+)IFNγ(+) cells and IFNγ production...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28335737/cytomegalovirus-infection-in-hiv-infected-versus-non-infected-infants-and-hiv-disease-progression-in-cytomegalovirus-infected-versus-non-infected-infants-early-treated-with-cart-in-the-anrs-12140-pediacam-study-in-cameroon
#8
Anfumbom K W Kfutwah, Paul Alain T Ngoupo, Casimir Ledoux Sofeu, Francis Ateba Ndongo, Georgette Guemkam, Suzie Tetang Ndiang, Félicité Owona, Ida Calixte Penda, Patrice Tchendjou, Christine Rouzioux, Josiane Warszawski, Albert Faye, Mathurin Cyrille Tejiokem
BACKGROUND: The outcome of CMV/HIV co-infection in infants treated early with combined antiretroviral therapy (cART) in resource-limited settings has not been described. We aimed to estimate the prevalence and identify factors associated with early CMV infection in HIV-infected and non-infected infants included in a study in Cameroon, and to compare HIV disease progression and survival after 1 year of early cART, following infants' CMV status. METHODS: HIV-infected infants followed from birth or from HIV diagnosis before 7 months old and HIV-uninfected infants born to HIV-infected or uninfected mothers were tested for CMV at a median age of 4...
March 23, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28335609/early-and-delayed-antiretroviral-therapy-art-result-in-comparable-reductions-in-cd8-t-cell-exhaustion-marker-expression
#9
Rachel Rutishauser, Wendy Hartogensis, Christian D Deguit, Melissa Krone, Rebecca Hoh, Rick Hecht, Christopher D Pilcher, Peter Bacchetti, Steven G Deeks, Peter W Hunt, Joseph M McCune
In untreated HIV infection, CD8+ T cell exhaustion (i.e., decreased proliferative and effector capacity) is associated with high levels of expression of co-inhibitory receptors, including PD-1, TIGIT, CD160, and 2B4. This is evident for both HIV-specific and non-HIV-specific CD8+ T cells. Antiretroviral therapy (ART) initiated during chronic infection decreases but may not completely normalize the expression of such "exhaustion markers." Compared to initiation of ART later in the course of disease, initiation soon after infection reduces some parameters of chronic inflammation and adaptive immune dysfunction...
March 23, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28334088/relapse-re-infection-and-mixed-infections-in-tuberculosis-disease
#10
Amanda McIvor, Hendrik Koornhof, Bavesh Davandra Kana
Tuberculosis (TB) disease can be characterized by genotypic and phenotypic complexity in Mycobacterium tuberculosis bacilli within a single patient. This microbiological heterogeneity has become an area of intense study due its perceived importance in drug tolerance, drug resistance and as a surrogate measure of transmission rates. This review presents a descriptive analysis of research describing the prevalence of mixed strain TB infections in geographically distinct locations. Despite significant variation in disease burden and a rampant HIV-TB co-epidemic, there was no difference in the prevalence range of mixed infections reported in African countries when compared to the rest of the world...
February 18, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28334018/development-of-an-evidence-evaluation-and-synthesis-system-for-drug-drug-interactions-and-its-application-to-a-systematic-review-of-hiv-and-malaria-co-infection
#11
Kay Seden, Sara Gibbons, Catia Marzolini, Jonathan M Schapiro, David M Burger, David J Back, Saye H Khoo
BACKGROUND: In all settings, there are challenges associated with safely treating patients with multimorbidity and polypharmacy. The need to characterise, understand and limit harms resulting from medication use is therefore increasingly important. Drug-drug interactions (DDIs) are prevalent in patients taking antiretrovirals (ARVs) and if unmanaged, may pose considerable risk to treatment outcome. One of the biggest challenges in preventing DDIs is the substantial gap between theory and clinical practice...
2017: PloS One
https://www.readbyqxmd.com/read/28331087/feline-immunodeficiency-virus-evolutionarily-acquires-two-proteins-vif-and-protease-capable-of-antagonizing-feline-apobec3
#12
Rokusuke Yoshikawa, Junko S Takeuchi, Eri Yamada, Yusuke Nakano, Naoko Misawa, Yuichi Kimura, Fengrong Ren, Takayuki Miyazawa, Yoshio Koyanagi, Kei Sato
The interplay between viral and host proteins has been well studied to elucidate virus-host interactions and their relevance to virulence. Mammalian genes encode apolipoprotein B mRNA-editing enzyme catalytic polypeptide-like 3 (APOBEC3) proteins, which act as intrinsic restriction factors against lentiviruses. To overcome APOBEC3-mediated anti-viral actions, lentiviruses have evolutionarily acquired an accessory protein, viral infectivity factor (Vif), and Vif degrades host APOBEC3 proteins via a ubiquitin/proteasome-dependent pathway...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28330178/emergence-of-mixed-infection-of-beijing-non-beijing-strains-among-multi-drug-resistant-mycobacterium-tuberculosis-in-pakistan
#13
Samar Mustafa, Hasnain Javed, Jawairia Hashmi, Nazia Jamil, Zarfishan Tahir, Abdul Majeed Akhtar
Tuberculosis (TB) remains as one of the deadliest diseases after HIV globally with 95 % of deaths confined to low-and-middle income countries. Pakistan is fifth among the 22 high-burden TB countries with the incidence rate of 230/100,000 persons, however, studies related to prevalent Mycobacterium tuberculosis strains and their spread, drug resistance pattern and evolutionary genetics are inadequate. The present study was undertaken to highlight the circulation of M. tuberculosis strains causing drug resistant TB in our community by targeting the molecular marker IS6110 and then characterization of these strains as Beijing and Non-Beijing genotypes...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329090/antiretrovirals-fractures-and-osteonecrosis-in-a-large-international-hiv-cohort
#14
Álvaro H Borges, Jennifer Hoy, Eric Florence, Dalibor Sedlacek, Hans-Jürgen Stellbrink, Vilma Uzdaviniene, Janez Tomazic, Panagiotis Gargalianos-Kakolyris, Patrick Schmid, Chloe Orkin, Court Pedersen, Clifford Leen, Christian Pradier, Fiona Mulcahy, Anna Lisa Ridolfo, Therese Staub, Fernando Maltez, Rainer Weber, Leo Flamholc, Galina Kyselyova, Jens D Lungren, Amanda Mocroft
Background: Antiretrovirals (ARVs) affect bone density and turnover, but their effect on risk of fractures and osteonecrosis of the femoral head is less understood. We investigated if exposure to ARVs increases the risk of both bone outcomes. Methods: EuroSIDA participants were followed to assess fractures and osteonecrosis. Poisson regression identified clinical, laboratory and demographic predictors of either bone outcome. Ever, current and cumulative exposures to ARVs were assessed...
February 22, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28328795/hepatitis-b-serological-markers-and-plasma-dna-concentrations-baseline-results-from-the-dart-trial
#15
Huw Price, David Dunn, Tamale Zachary, Tobias Vudriko, Michael Chirara, Cissy Kityo, Paula Munderi, Moira Spyer, James Hakim, Charles Gilks, Pontiano Kaleebu, Deenan Pillay, Richard Gilson
OBJECTIVES: To examine hepatitis B serological markers and plasma DNA concentrations in a large group of untreated HIV-HBV co-infected individuals in two sub-Saharan settings. DESIGN: Baseline analysis of a randomised controlled trial. METHODS: DART was a large trial of treatment monitoring practices in HIV-infected adults with advanced disease starting antiretroviral therapy at centres in Kampala or Entebbe, Uganda (n = 2,317) and Harare, Zimbabwe (n = 999)...
March 21, 2017: AIDS
https://www.readbyqxmd.com/read/28328794/hcv-drives-increased-type-i-ifn-associated-impairments-associated-to-fibrosis-severity-in-art-treated-hiv-1-hcv-coinfected-individuals
#16
Morgane Griesbeck, Marc-Antoine Valantin, Karine Lacombe, Assia Samri-Hassimi, Julie Bottero, Catherine Blanc, Zineb Sbihi, Rima Zoorob, Christine Katlama, Marguerite Guiguet, Marcus Altfeld, Brigitte Autran
BACKGROUND: Viral coinfections might contribute to the increased immune activation and inflammation that persist in ART-treated HIV-1 patients. We investigated whether the HCV co-infection contributes to such alterations by impairing the pDC IFNα/TLR7 pathway in a highly homogeneous group of ART-treated HIV-1-HCV co-infected patients. METHODS: Twenty nine HIV-1-infected patients with fully suppressive ART were included, fifteen of whom being HCV co-infected with mild to moderate fibrosis and matched for their HIV-1 disease, and thirteen control healthy donors...
March 21, 2017: AIDS
https://www.readbyqxmd.com/read/28327789/prevalence-of-hepatitis-c-virus-and-human-immunodeficiency-virus-in-a-group-of-patients-newly-diagnosed-with-active-tuberculosis-in-porto-alegre-southern-brazil
#17
Cintia Costi, Tarciana Grandi, Maria Laura Halon, Márcia Susana Nunes Silva, Cláudia Maria Dornelles da Silva, Tatiana Schäffer Gregianini, Lia Gonçalves Possuelo, Carla Adriane Jarczewski, Christian Niel, Maria Lucia Rosa Rossetti
BACKGROUND: Porto Alegre is the Brazilian state capital with second highest incidence of tuberculosis (TB) and the highest proportion of people infected with human immunodeficiency virus (HIV) among patients with TB. Hepatitis C virus (HCV) infection increases the risk of anti-TB drug-induced hepatotoxicity, which may result in discontinuation of the therapy. OBJECTIVES: The aim of this study was (i) to estimate prevalence of HCV and HIV in a group of patients newly diagnosed with active TB in a public reference hospital in Porto Alegre and (ii) to compare demographic, behavioural, and clinical characteristics of patients in relation to their HCV infection status...
April 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28323868/-waiting-for-daas-a-retrospective-chart-review-of-patients-with-untreated-hepatitis-c-in-rwanda
#18
Neil Gupta, Jules Kabahizi, Constance Mukabatsinda, Timothy David Walker, Emmanuel Musabeyezu, Athanase Kiromera, Jennifer Ilo Van Nuil, Kevin Steiner, Joia Mukherjee, Sabin Nsanzimana, Aimable Mbituyumuremyi
BACKGROUND: Access to treatment for hepatitis C virus (HCV) in sub-Saharan Africa is extremely limited. With the advent of direct acting antivirals (DAAs), highly effective and easy-to-deliver oral regimens are now available on the global market. This study was conducted to understand the background and characteristics of a national cohort of patients with HCV infection enrolled in care and awaiting therapy with DAAs. METHODS AND FINDINGS: We conducted a retrospective chart review of all adult patients with confirmed HCV infection who were currently enrolled in care and treatment at the four existing hepatitis referral centers in Rwanda...
2017: PloS One
https://www.readbyqxmd.com/read/28323755/cyp2b6-genotype-directed-dosing-is-required-for-optimal-efavirenz-exposure-in-children-3-to-36-months-with-hiv-infection
#19
Carolyn Bolton Moore, Edmund V Capparelli, Pearl Samson, Mutsa Bwakura-Dangarembizi, Patrick Jean-Philippe, Carol Worrell, Barbara Heckman, Lynette Purdue, Stephen A Spector, Alex Benns, William Borkowsky, Amy Loftis, Elizabeth Hawkins, Carole Wallis, Ellen G Chadwick
OBJECTIVES: To determine safety, efficacy and genotypic-specific dose requirements of EFV in children aged 3 - <36 months of age with HIV infection with or without TB co-infection. DESIGN: IMPAACT P1070 was a 24 week prospective cohort trial of EFV (as open capsules) plus two nucleoside reverse transcriptase inhibitors in children with HIV infection 3- < 36 months without tuberculosis (Cohort 1). METHODS: CYP2B6 G516T genotype was determined and intensive PK's were performed at week 2...
March 18, 2017: AIDS
https://www.readbyqxmd.com/read/28322598/screening-and-functional-profiling-of-small-molecule-hiv-1-entry-and-fusion-inhibitors
#20
Charline Giroud, Yuhong Du, Mariana Marin, Qui Min, Nathan T Jui, Haian Fu, Gregory B Melikyan
HIV-1 entry and fusion with target cells is an important target for antiviral therapy. However, a few currently approved treatments are not effective as monotherapy due to the emergence of drug resistance. This consideration has fueled efforts to develop new bioavailable inhibitors targeting different steps of the HIV-1 entry process. Here, a high-throughput screen was performed of a large library of 100,000 small molecules for HIV-1 entry/fusion inhibitors, using a direct virus-cell fusion assay in a 384 half-well format...
February 2017: Assay and Drug Development Technologies
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