Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.2.1.36 (hyaluronidase)
 4,606 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Using the oxazine dye rhodanile blue, large typical megakaryocytes and small megakaryocytes (micromegakaryocytes) from the bone marrows of normal persons, and from patients with a variety of preleukemic disorders, acute lymphoblastic and nonlymphoblastic leukemia, chronic granulocytic leukemia, and idiopathic thrombocytopenic purpura as an example of nonmalignant but abnormal megakaryocytopoiesis, showed intense pink staining of the cytoplasm. This pink metachromasia was not obliterated by prior digestion with either diastase or ribonuclease, but was markedly diminished or obliterated by preincubation with hyaluronidase, suggesting that the stain may detect a high content of acid mucopolysaccharides in megakaryocytes. Since the stain is simple, direct, and reproducible, it may represent a useful addition to the cytochemistry of megakaryocytes and complement the more complex immunologic techniques available currently.
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PMID:Identification of human megakaryocytes with rhodanile blue. 258 May 2

At hypertonicity some blood cells of patients suffering chronic leukemia can form gel like layers around themselves. These gels, which are sensitive to hyaluronidase, but not to trypsin are investigated by electron microscopy. The study revealed that the gels comprise a network of nanoparticles, which have diameters between 50 and 150 nm, are regularly ordered and linked to each other.
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PMID:Electron microscopic characterization of gels formed by blood cells of leukemia patients at hypertonicity. 1608 Dec 58