Search Results - "WINCHESTER, Lee C"
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In-vitro and in-vivo assessment of nirmatrelvir penetration into CSF, central nervous system cells, tissues, and peripheral blood mononuclear cells
Published in Scientific reports (10-05-2024)“…Three years after SARS-CoV-2 emerged as a global infectious threat, the virus has become endemic. The neurological complications such as depression, anxiety,…”
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CD8+ cells and small viral reservoirs facilitate post-ART control of SIV replication in M3+ Mauritian cynomolgus macaques initiated on ART two weeks post-infection
Published in PLoS pathogens (01-09-2023)“…Sustainable HIV remission after antiretroviral therapy (ART) withdrawal, or post-treatment control (PTC), remains a top priority for HIV treatment. We observed…”
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An Efficient Humanized Mouse Model for Oral Anti-Retroviral Administration
Published in Cells (Basel, Switzerland) (28-03-2023)“…HIV anti-retrovirals (ARVs) have vastly improved the life expectancy of people living with HIV (PLWH). However, toxic effects attributed to long-term ARV use…”
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Cross-validation of a high-performance liquid chromatography nevirapine plasma assay in a resource-limited setting in Zimbabwe
Published in African journal of laboratory medicine (2021)“…An international HIV pharmacology specialty laboratory (PSL) was established at the University of Zimbabwe to increase bioanalytical and investigator…”
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The Lymphoid Tissue Pharmacokinetics of Tenofovir Disoproxil Fumarate and Tenofovir Alafenamide in HIV‐Infected Persons
Published in Clinical pharmacology and therapeutics (01-11-2020)“…The secondary lymphoid tissues (LT), lymph nodes (LN) and gut‐associated lymphoid tissue are the primary sites of HIV replication and where the latent pool of…”
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Alterations in P-Glycoprotein Expression and Function Between Macrophage Subsets
Published in Pharmaceutical research (01-11-2016)“…Purpose Macrophages are an important cellular reservoir in HIV, and exist in two phenotypically dissimilar subsets, the pro-inflammatory M1 phenotype, and the…”
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Hepatocytic transcriptional signatures predict comparative drug interaction potential of rifamycin antibiotics
Published in Scientific reports (28-07-2020)“…Current strategies to treat tuberculosis (TB) and co-morbidities involve multidrug combination therapies. Rifamycin antibiotics are a key component of TB…”
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Quantification of nine antiretroviral drugs in cerebrospinal fluid: An approach to overcome sample collection tube adsorption
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01-07-2023)“…•A LC-MS/MS method was developed and validated for nine antiretrovirals.•Ammonium hydroxide was used to remedy adsorption issues caused by polypropylene based…”
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Assessing the lymphoid tissue bioavailability of antiretrovirals in human primary lymphoid endothelial cells and in mice
Published in Journal of antimicrobial chemotherapy (01-10-2019)“…Abstract Background The secondary lymphoid tissues (LTs), lymph nodes (LNs) and gut-associated lymphoid tissue (GALT) are considered reservoirs for HIV…”
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Intramuscular and subcutaneous administration of antiretroviral drugs, compared with oral, enhances delivery to lymphoid tissues in BALB/c mice
Published in Journal of antimicrobial chemotherapy (01-10-2021)“…Abstract Background Multiple tissue reservoirs are established soon after HIV infection, and some tissues may also be pharmacological sanctuaries. Parenteral…”
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Adipocytes impair efficacy of antiretroviral therapy
Published in Antiviral research (01-06-2018)“…Adequate distribution of antiretroviral drugs to infected cells in HIV patients is critical for viral suppression. In humans and primates, HIV- and…”
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Comparison of etonogestrel bioanalytical assay results in plasma and serum within and across laboratories
Published in Contraception (Stoneham) (01-10-2024)“…To compare performance characteristics of etonogestrel bioanalytical assays across laboratories. We conducted a blinded, six laboratory study: five academic…”
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Normalization of cell associated antiretroviral drug concentrations with a novel RPP30 droplet digital PCR assay
Published in Scientific reports (26-02-2018)“…Quantification of antiretroviral (ARV) drug concentrations in peripheral blood mononuclear cells (PBMCs) and tissue isolated mononuclear cells (TIMCs) from…”
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Development, validation and utilization of a highly sensitive LC-MS/MS method for quantification of levonorgestrel released from a subdermal implant in human plasma
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01-05-2018)“…Levonorgestrel (LNG) is a synthetic progestin that is available in oral contraceptive tablets, a subdermal implant, and an intrauterine system for…”
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Quantification of Cell-Associated Atazanavir, Darunavir, Lopinavir, Ritonavir, and Efavirenz Concentrations in Human Mononuclear Cell Extracts
Published in Antimicrobial agents and chemotherapy (01-05-2014)“…An ultrasensitive assay utilizing high-pressure liquid chromatography and mass spectrometry detection was developed and validated for the quantification of the…”
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Impact of efavirenz pharmacokinetics and pharmacogenomics on neuropsychological performance in older HIV-infected patients
Published in Journal of antimicrobial chemotherapy (01-01-2017)“…Pharmacokinetics (PK) and pharmacodynamics of efavirenz and its 8-hydroxy metabolite (8-OH-efavirenz) have not been robustly evaluated in older HIV-infected…”
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Determination of the rifamycin antibiotics rifabutin, rifampin, rifapentine and their major metabolites in human plasma via simultaneous extraction coupled with LC/MS/MS
Published in Journal of pharmaceutical and biomedical analysis (01-02-2015)“…•Validated simultaneous LC/MS assay for rifabutin, rifampin and rifapentine.•High clinical utility to support pharmacokinetic and drug–drug interaction…”
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The anti-HIV drug abacavir stimulates β-catenin activity in osteoblast lineage cells
Published in JBMR plus (01-05-2024)“…Bone mineral density (BMD) loss in people living with HIV occurs with the initiation of combined antiretroviral therapy (cART), particularly with tenofovir…”
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A rapid spin through oil results in higher cell-associated concentrations of antiretrovirals compared with conventional cell washing
Published in Bioanalysis (01-07-2015)“…Determination of cell-associated antiretroviral drug concentrations is necessary for research into reservoirs of HIV. Variation exists in cell-associated drug…”
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