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Chronic fetal hypoxia and antenatal Vitamin C exposure differentially regulate molecular signalling in the lung of female lambs in early adulthood.
Front Physiol
January 2025
Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.
Introduction: Chronic fetal hypoxia is commonly associated with fetal growth restriction and can predispose to respiratory disease at birth and in later life. Antenatal antioxidant treatment has been investigated to overcome the effects of oxidative stress to improve respiratory outcomes. We aimed to determine if the effects of chronic fetal hypoxia and antenatal antioxidant administration persist in the lung in early adulthood.
View Article and Find Full Text PDFFetal fibroblast heterogeneity defines dermal architecture during human embryonic skin development.
J Invest Dermatol
January 2025
Centre for Gene Therapy and Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, UK; Directors' Unit, EMBL, Meyerhofstr. 1, 69117 Heidelberg, Germany. Electronic address: https://twitter.com/fionamarywatt.
To investigate heterogeneity of fibroblasts in human fetal skin, we analysed published single-cell RNA sequencing data (8 and 16 post conception weeks (PCW)) and performed single-molecule fluorescence in situ hybridisation to map their spatial distribution and predicted dynamic interactions. Clustering revealed 8 fibroblast populations with developmental stage-specific abundance changes. Proliferative cells (MKI67+) were present at all stages.
View Article and Find Full Text PDFThe secreted protease ADAMTS18 links early isoform transformation and maturation of glomerular basement membrane macromolecules to the integrity of the glomerular filtration barrier.
Biochem Biophys Res Commun
January 2025
Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Electronic address:
The glomerular filtration barrier (GFB) has a unique spatial structure, including porous capillary endothelial cells, glomerular basal membrane (GBM) and highly specialized podocytes. This special structure is essential for the hemofiltration process of nephrons. GBM is the central meshwork structure of GFB formed by the assembly and fusion of various extracellular matrix (ECM) macromolecules, such as laminins and collagens, which undergo isoform transformation and maturation that may require precise regulation by metalloproteinases.
View Article and Find Full Text PDFA Comprehensive Pipeline to Assess the Efficiency of Human Erythropoiesis In Vitro and Ex Vivo.
J Vis Exp
January 2025
Barts Cancer Institute, Queen Mary University of London;
Erythropoiesis, a remarkably dynamic and efficient process responsible for generating the daily quota of red blood cells (approximately 280 ± 20 billion cells per day), is crucial for maintaining individual health. Any disruption in this pathway can have significant consequences, leading to health issues. According to the World Health Organization, an estimated 25% of the global population presents symptoms of anemia.
View Article and Find Full Text PDFMaternal exposure to ozone during implantation promotes a feminized transcriptomic profile in the male adolescent liver.
Endocrinology
January 2025
Cardiopulmonary Immunotoxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC.
Maternal exposure to ozone during implantation results in reduced fetal weight gain in rats. Offspring from ozone-exposed dams demonstrate sexually dimorphic risks to high-fat diet feeding in adolescence. To better understand the adolescent hepatic metabolic landscape following fetal growth restriction, RNA sequencing was performed to characterize the effects of ozone-induced fetal growth restriction on male and female offspring.
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