Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0917798 (cerebral ischemia)
 17,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Here, using a histochemical staining for a microglia/phagocyte marker TPP-ase (Murabe, Sano 1981), and an electron microscopy we characterized the population of pituitary phagocytic cells activated by cerebral ischemia. An intense thiamine pyrophosphatase (TPP-ase) activity was demonstrated in glial cells and some cells of blood vessels of neural lobe, late period (12 months) after experimental ischemia. TPP-ase positive cells were ultrastructurally identified as pituicytes, microglia, pericytes and perivascular cells. The product characteristic for TPP-ase activity was seen on plasma membrane of these cells. Our electron-microscopic histochemical results provide strong support for a role of pituicytes, pericytes and perivascular cells as a phagocytic cells involved in mechanism of elimination of ischemically damaged axonal endings in neural lobe.
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PMID:Characterization of thiamine pyrophosphatase positive phagocytic cells in the neural lobe of rat pituitary. 975 22