期刊
MICROSCOPY AND MICROANALYSIS
卷 -, 期 -, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/micmic/ozad126
关键词
CD34; PDGFR alpha; cornea; telocytes and keratocytes; Vimentin
This study investigated the expression and localization of telocytes and keratocytes in buffalo cornea using various microscopic techniques. The results suggest that telocytes and keratocytes play important roles in corneal wound healing, transparency maintenance, and homeostasis. The co-expression of certain markers indicates the potential presence of mesenchymal cells.
Telocytes and keratocytes are important cells that maintain the structure and function of the cornea. The buffalo cornea, known for its resilience in harsh conditions, has not been extensively studied regarding the presence and role of telocytes and keratocytes. We used light microscopy, transmission electron microscopy (TEM), and immunofluorescence assays with platelet-derived growth factor receptor alpha (PDGFR alpha), CD34, and Vimentin markers to investigate their expression and localization in the cornea. TEM analysis confirmed the presence of spindle-shaped keratocytes with intercellular connections, while telocytes exhibited small spindle-shaped bodies with long, thin branches connecting to corneal keratocytes. Immunofluorescence findings showed that CD34 was more abundant near the endothelium, Vimentin was prominently expressed near the epithelium, and PDGFR alpha was uniformly distributed throughout the corneal stroma. Co-expression of CD34 and Vimentin, PDGFR alpha and Vimentin, as well as CD34 and PDGFR alpha, was observed in keratocytes and telocytes within the stroma, indicating the potential presence of mesenchymal cells. These results suggest the involvement of telocytes and keratocytes in corneal wound healing, transparency maintenance, and homeostasis. The co-expression of these markers highlights the critical role of telocytes and keratocytes in regulating corneal physiological functions, further enhancing our understanding of corneal biology in the buffalo model.
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