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Allogeneic bone marrow derived clonal mesenchymal stromal cells in refractory rheumatoid arthritis: a pilot study.
Regen Med
December 2024
Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
Aims: This phase I trial assessed the safety and potential efficacy of monthly 3 dose intravenous infusion of allogeneic bone marrow-derived clonal mesenchymal stromal cells (BM-cMSCs) in refractory rheumatoid arthritis (RA) patients over 24 weeks.
Patients & Methods: Six patients with refractory RA received BM-cMSC infusions at one-month intervals over a 24-week period. Safety outcomes included adverse events (AEs) and serious adverse events (SAEs).
Epigenetic Regulation of Nuclear Factor Erythroid-2-Related Factor 2 in Colorectal Cancer Cells Resistant to Ionizing Radiation.
Biomol Ther (Seoul)
January 2025
Department of Biochemistry, College of Medicine, and Jeju Natural Medicine Research Center, Jeju National University, Jeju 63243, Republic of Korea.
γ-Radiation resistance is a major obstacle to the success of radiotherapy in colorectal cancer. Antioxidant-related factors contribute to resistance to radiation therapy and, therefore, are targets for improving the therapeutic response. In this study, we evaluated the molecular mechanisms underlying γ-radiation resistance using the colorectal cancer cell line SNUC5 and γ-radiation-resistant variant SNUC5/RR, including analyses of the role of nuclear factor erythroid 2-related factor 2 (NRF2), a transcription factor that regulates antioxidant enzymes, and related epigenetic regulators.
View Article and Find Full Text PDFSomatic PTEN and ARID1A loss and endometriosis disease burden: a longitudinal study.
Hum Reprod
December 2024
Department of Obstetrics and Gynecology, University of British Columbia, Vancouver, BC, Canada.
Study Question: Is there an association between the somatic loss of PTEN (phosphatase and tensin homolog) and ARID1A (AT-rich interaction domain 1A) and endometriosis disease severity and worse clinical outcomes?
Summary Answer: Somatic PTEN loss in endometriosis epithelium was associated with greater disease burden and subsequent surgical complexity.
What Is Known Already: Somatic cancer-driver mutations including those involving the PTEN and ARID1A genes exist in endometriosis without cancer; however, their clinical impact remains unclear.
Study Design, Size, Duration: This prospective longitudinal study involved endometriosis tissue and clinical data from 126 participants who underwent surgery at a tertiary center for endometriosis (2013-2017), with a follow-up period of 5-9 years.
Understanding paralogous epilepsy-associated GABA receptor variants: Clinical implications, mechanisms, and potential pitfalls.
Proc Natl Acad Sci U S A
December 2024
School of Medical Sciences, Faculty of Medicine and Health, Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia.
Recent discoveries have revealed that genetic variants in γ-aminobutyric acid type A (GABA) receptor subunits can lead to both gain-of-function (GOF) and loss-of-function (LOF) receptors. GABA receptors, however, have a pseudosymmetrical pentameric assembly, and curiously diverse functional outcomes have been reported for certain homologous variants in paralogous genes (paralogous variants). To investigate this, we assembled a cohort of 11 individuals harboring paralogous M1 proline missense variants in , , and Seven mutations (α1, α1, β2, β3, β3, γ2, and γ2) in α1β2/3γ2 receptors were analyzed using electrophysiological examinations and molecular dynamics simulations.
View Article and Find Full Text PDFTranscriptional delineation of polysaccharide utilization loci in the human gut commensal DSM18205 and co-culture with exemplar species on dietary plant glycans.
Appl Environ Microbiol
December 2024
Michael Smith Laboratories, The University of British Columbia, Vancouver, British Columbia, Canada.
Unlabelled: There is growing interest in members of the genus (family ) as members of a well-balanced human gut microbiota (HGM). are particularly associated with the consumption of a diet rich in plant polysaccharides comprising dietary fiber. However, understanding of the molecular basis of complex carbohydrate utilization in species is currently incomplete.
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