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Fate mapping in mouse demonstrates early secretory differentiation directly from Lgr5+ intestinal stem cells.
Dev Cell
January 2025
Novo Nordisk Foundation Center for Stem Cell Medicine, reNEW, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen N, Denmark. Electronic address:
The intestinal epithelium has a remarkably high turnover in homeostasis. It remains unresolved how this is orchestrated at the cellular level and how the behavior of stem and progenitor cells ensures tissue maintenance. To address this, we combined quantitative fate mapping in three complementary mouse models with mathematical modeling and single-cell RNA sequencing.
View Article and Find Full Text PDFHistochemical indications for a chemically complex signal produced by the cervical gill slit gland of the pygmy sperm whale (Kogia breviceps).
Anat Rec (Hoboken)
January 2025
Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, North Carolina, USA.
The pygmy sperm whale (Kogia breviceps) possesses an exocrine gland associated with its false gill slit pigmentation pattern. The cervical gill slit gland is a compound tubuloalveolar gland that produces a holocrine secretion and displays maturational changes in size and secretory histology. While the morphology of the cervical gill slit gland has been described in detail, to date, the chemical composition of its secretion remains uncharacterized.
View Article and Find Full Text PDFThe different response of PM stimulated nasal epithelial spheroids in control, asthma and COPD groups.
Respir Res
January 2025
Department of Internal Medicine, Pulmonary Diseases and Allergy, Medical University of Warsaw, Banacha 1a, Warsaw, 02-097, Poland.
Background: Pathobiology of asthma and chronic obstructive pulmonary disease (COPD) is associated with changes among respiratory epithelium structure and function. Increased levels of PM from urban particulate matter (UPM) are correlated with enlarged rate of asthma and COPD morbidity as well as acute disease exacerbation. It has been suggested that pre-existing pulmonary obstructive diseases predispose epithelium for different biological response than in healthy airways.
View Article and Find Full Text PDFSLC10A7 regulates O-GalNAc glycosylation and Ca homeostasis in the secretory pathway: insights into SLC10A7-CDG.
Cell Mol Life Sci
January 2025
Univ. Lille, CNRS, UMR 8576 - UGSF - Unité de Glycobiologie Structurale Et Fonctionnelle, 59000, Lille, France.
Glycans are known to be fundamental for many cellular and physiological functions. Congenital disorders of glycosylation (CDG) currently encompassing over 160 subtypes, are characterized by glycan synthesis and/or processing defects. Despite the increasing number of CDG patients, therapeutic options remain very limited as our knowledge on glycan synthesis is fragmented.
View Article and Find Full Text PDFIn silico analysis and gene expression patterns of lignin peroxidase isozymes in Phanerochaete chrysosporium.
Int J Biol Macromol
January 2025
Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, 641046, Tamil Nadu, India. Electronic address:
Phanerochaete chrysosporium (Pc), is a prominent lignin-degrading fungus which serves as an important source for lignin-degrading enzymes (LDEs). The present study was focused on a detailed in silico analysis and gene expression patterns of lignin peroxidases (PcLiPs), which is a significant class of LDEs. In spite of extensive research on P.
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