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Characterizing progenitor cells in developing and injured spinal cord: Insights from single-nucleus transcriptomics and lineage tracing.
Proc Natl Acad Sci U S A
January 2025
State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100080, China.
Various mature tissue-resident cells exhibit progenitor characteristics following injury. However, the existence of endogenous stem cells with multiple lineage potentials in the adult spinal cord remains a compelling area of research. In this study, we present a cross-species investigation that extends from development to injury.
View Article and Find Full Text PDFUnderstanding the intricacies of cellular mechanisms in remyelination: The role of circadian rhythm.
Neurochem Int
January 2025
Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China; Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China; Clinical Medical Research Center for Child Development and Behavior, Changsha, 410011, Hunan, China. Electronic address:
The term "circadian rhythm" refers to the 24-h oscillations found in various physiological processes in organisms, responsible for maintaining bodily homeostasis. Many neurological diseases mainly involve the process of demyelination, and remyelination is crucial for the treatment of neurological diseases. Current research mainly focuses on the key role of circadian clocks in the pathophysiological mechanisms of multiple sclerosis.
View Article and Find Full Text PDFOctadecaneuropeptide promotes the migration of astrocyte via ODN metabotropic receptor and calcium signaling pathway.
Peptides
January 2025
University of Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03 Laboratory of Neurophysiology, Cellular Physiopathology and Biomolecules Valorisation, Tunis 2092, Tunisia. Electronic address:
Migration is an essential characteristic of cells that occurs during many physiological and pathological processes. Astrocytes represent the most abundant cell type in the adult central nervous system (CNS), that play a crucial role in various functions such as guiding and supporting neuronal migration during development and maintaining brain homeostasis at adulthood. Astrocytes specifically synthesize and release endozepines, a family of regulatory peptides, including the octadecaneuropeptide (ODN).
View Article and Find Full Text PDFExploring SERPINA3 as a neuroinflammatory modulator in Alzheimer's disease with sex and regional brain variations.
Metab Brain Dis
January 2025
Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Catania, Italy.
SERPINA3, a serine protease inhibitor, is strongly associated with neuroinflammation, a typical condition of AD. Its expression is linked to microglial and astrocytic markers, suggesting it plays a significant role in modulating neuroinflammatory responses. In this study, we examined the SERPINA3 expression levels, along with CHI3L1, in various brain regions of AD patients and non-demented healthy controls (NDHC).
View Article and Find Full Text PDFDifferentiation ability of hematopoietic stem cells and mesenchymal stem cells isolated from human peripheral blood.
Front Cell Dev Biol
December 2024
Department of Biotechnology, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, India.
Human hematopoietic stem cells (HSCs) and mesenchymal stem cells (MSCs) are the major stem cells of the bone marrow and are usually isolated from the peripheral blood. In the present study, we isolated these stem cells by an apheresis method from a donor who was administered granulocyte colony-stimulating factor (G-CSF). propagation of these stem cells showed a plastic-adherence property expressing CD73 and CD105 surface markers, which is a characteristic feature of MSCs.
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