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Human enteroid monolayers: A novel, functionally stable model for investigating oral drug disposition.
Drug Metab Dispos
January 2025
Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, Washington. Electronic address:
To further the development of an in vitro model that faithfully recapitulates drug disposition of orally administered drugs, we investigated the utility of human enteroid monolayers to simultaneously assess intestinal drug absorption and first-pass metabolism processes. We cultured human enteroid monolayers from 3 donors, derived via biopsies containing duodenal stem cells that were propagated and then differentiated atop permeable Transwell inserts, and confirmed transformation into a largely enterocyte population via RNA sequencing analysis and immunocytochemistry (ICC) assays. Proper cell morphology was assessed and confirmed via bright field microscopy and ICC imaging of tight junction proteins and other apically and basolaterally localized proteins.
View Article and Find Full Text PDFThe protection of nicotinamide riboside against diabetes mellitus-induced bone loss via OXPHOS.
Bone
January 2025
School of Public Health, Qingdao University, Qingdao 266071, China. Electronic address:
Diabetes mellitus is a global disease that results in various complications, including diabetic osteoporosis. Prior studies have indicated a correlation between low levels of nicotinamide adenine dinucleotide (NAD) and diabetes-related complications. Nicotinamide riboside (NR), a widely utilized precursor vitamin of NAD, has been demonstrated to enhance age-related osteoporosis through the Sirt1/FOXO/β-catenin pathway in osteoblast progenitors.
View Article and Find Full Text PDFEffects of vitamin D supplementation on the glycaemic indices, lipid profile and liver function tests in patients with cirrhosis: a double-blind randomised controlled trial.
BMJ Nutr Prev Health
August 2024
Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
Background: Liver cirrhosis is considered a progressive disease that can eventually result in death. Vitamin D deficiency is prevalent in patients with cirrhosis. Few studies have been conducted on the effect of vitamin D supplementation in patients with cirrhosis.
View Article and Find Full Text PDFOvercoming Recurrent Isolated Sleep Paralysis: A Case Report of Integrative Management With Yoga, Meditation, and Vitamin D3 Supplementation.
Cureus
December 2024
Community Medicine, Terna Medical College, Navi Mumbai, IND.
Recurrent isolated sleep paralysis (RISP) is a rare but distressing condition characterized by episodes of temporary immobility during transitions between wakefulness and sleep. This report describes a 30-year-old female presenting frequently with nightmares, sleep paralysis, and associated stress, successfully managed with a holistic approach incorporating yoga, meditation, chanting, and vitamin D3 supplementation. The patient's significant history of osteoporosis (in February 2019, bone density T-score <-2.
View Article and Find Full Text PDFBioactivities of secondary metabolites of two actinomycetes Streptomyces parvulus GloL3, and Streptomyces lienomycini SK5, endophytes of two Indian medicinal herbs- Globba marantina L. and Selaginella kraussiana (Kunze) A. Braun.
Braz J Microbiol
January 2025
Microbiology and Microbial Biotechnology Laboratory, Department of Botany and Forestry, Vidyasagar University, 721102, Midnapore, West Bengal, India.
Endophytic actinomycetes are potential sources of novel pharmaceutically active metabolites, significantly advancing natural product research. In the present investigation, secondary metabolites from two endophytic actinomycetes, Streptomyces parvulus GloL3, and Streptomyces lienomycini SK5, isolated from medicinal plant taxa, Globba marantina, and Selaginella kraussiana, exhibited broad-spectrum bioactivity. Ethyl Acetate (EA) extract of SK5 showed antimicrobial activity against nine human pathogens, including Methicillin-resistant Staphylococcus aureus (MRSA), Candida tropicalis, and C.
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