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Pyridoxal phosphatase: cytochemical localization in GERL and other organelles of rat neurons.
A phosphatase, hydrolyzing pyridoxal-5-phosphate (P5P), a physiologically active component of the vitamin B6 complex and an essential co-enzyme in the synthesis of neurotransmitters, has beenExpand
Adenosinetriphosphatase Activity in the Cell Membranes of Kidney Tubule Cells
This cytochemical study demonstrates high levels of apparent ATPase activity in the infolded cell membranes of the proximal tubules and ascending loops of Henle and in edematous rats with experimental nephrosis (induced by the injection of aminonucleoside or with antikidney serum), even after formol-calcium fixation. Expand
Immunocytochemical localization of gamma-glutamyltransferase in rat kidney with protein A-horseradish peroxidase.
Immunocytochemistry with a specific antiserum and protein A-horseradish peroxidase permits visualization of the sites of gamma-glutamyltransferase at both the light- and the electron-microscope levels. Expand
Development and therapy of cellular sodium intoxication in potassium deficiency.
Transepithelial endoplasmic reticulum in rat proximal convoluted tubule.
The ER appears as a basilar-luminal-oriented transcellular structure, suggesting a possible cellular transport route in these cells, and the value of thick section cytochemistry is emphasized. Expand
Immunocytochemical localization of gamma-glutamyltransferase in induced hyperplastic nodules of rat liver.
The immunocytochemical localization of gamma-glutamyltransferase was demonstrated inhyperplastic liver induced by the carcinogen 2-acetylaminofluorene (2-AAF) and the so-called ATPase activity was localized in the plasma membrane in bile canaliculi and in endothelial cells; the hyperplastic cells show marked variability in the levels of this activity. Expand
Neuronal phosphatase activities with ARA-AMP and ARA-ATP as substrates.
Electro microscopy of small and large neurons in dorsal root ganglia showed the most consistent activity in GERL, and localizations of phosphatases hydrolyzing ARA paralleled those described earlier for pyridoxal-5’-phosphatase (P5Pase). Expand
The Cytoplasmic Cytology of Sarcoma 180
Typical sarcoma 180 cells present a large spherical lipoid or Golgi zone adjacent to the nucleus within which discrete, homogeneous and vesicular, Golgi bodies (lipochondria) are distributed. NoExpand