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Lewy body diseases and the gut.
Mol Neurodegener
January 2025
Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA.
Gastrointestinal (GI) involvement in Lewy body diseases (LBDs) has been observed since the initial descriptions of patients by James Parkinson. Recent experimental and human observational studies raise the possibility that pathogenic alpha-synuclein (⍺-syn) might develop in the GI tract and subsequently spread to susceptible brain regions. The cellular and mechanistic origins of ⍺-syn propagation in disease are under intense investigation.
View Article and Find Full Text PDFGenes related to neural tube defects and glioblastoma.
Sci Rep
January 2025
Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education, China, Shanxi Medical University, No. 56, Xinjian South Road, Yingze District, Taiyuan City, 030000, Shanxi Province, China.
There are many similarities between early embryonic development and tumorigenesis. The occurrence of neural tube defects (NTDs) and glioblastoma (GBM) are both related to the abnormal development of neuroectodermal cells. To obtain genes related to both NTDs and GBM, as well as small molecule drugs with potential clinical application value.
View Article and Find Full Text PDFMuscarinic acetylcholine receptor 3 localized to primary endothelial cilia regulates blood pressure and cognition.
Sci Rep
January 2025
Department of Pharmacology and Experimental Therapeutics; MS 1015, College of Pharmacy and Pharmaceutical Sciences, The University of Toledo, Health Education Building; Room 282E, 3000 Arlington Ave, Toledo, OH, 43614, USA.
We previously demonstrated that the inability of primary endothelial cilia to sense fluid shear stress can lead to nitric oxide (NO) deficiency and cause hypertension (HTN). Decreased biosynthesis of NO contributes to cerebral amyloid angiopathy in Alzheimer's disease (AD) patients through increased deposition of amyloid beta (Aβ). However, the molecular mechanisms underlying the pathogenesis of HTN and AD are incompletely understood.
View Article and Find Full Text PDFMitochondrial KMT9 methylates DLAT to control pyruvate dehydrogenase activity and prostate cancer growth.
Nat Commun
January 2025
Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Universität Freiburg, Freiburg, Germany.
Prostate cancer (PCa) growth depends on de novo lipogenesis controlled by the mitochondrial pyruvate dehydrogenase complex (PDC). In this study, we identify lysine methyltransferase (KMT)9 as a regulator of PDC activity. KMT9 is localized in mitochondria of PCa cells, but not in mitochondria of other tumor cell types.
View Article and Find Full Text PDFTofacitinib and budesonide treatment affect stemness and chemokine release in IBD patient-derived colonoids.
Sci Rep
January 2025
Department of Clinical and Molecular Medicine (IKOM), Faculty of Medicine and Health Sciences, NTNU - Norwegian University of Science and Technology, Prinsesse Kristinas gt. 1, Trondheim, 7030, Norway.
Restoration of the intestinal epithelial barrier is crucial for achieving mucosal healing, the therapeutic goal for inflammatory bowel disease (IBD). During homeostasis, epithelial renewal is maintained by crypt stem cells and progenitors that cease to divide as they differentiate into mature colonocytes. Inflammation is a major effector of mucosal damage in IBD and has been found to affect epithelial stemness, regeneration and cellular functions.
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