Biomaterial Database

Lysosomal enzyme cytochemistry of blood neutrophils. 1978

J T Wozniak, and T L Orchard, and P H Mackie, and D K Mistry, and J Stuart

Patients with bacterial infection may show altered membrane permeability of the primary azurophilic lysosomes of blood neutrophils. A new enzyme cytochemical technique, sensitive to increased membrane permeability caused by contact of neutrophils with acetone, saponin, low pH, Streptolysin O, bacteria, and nylon wool, has been developed. The method is of potential value as a screening test for bacterial infection and for detecting neutrophil damage during filtration leucopheresis.

UI	MeSH Term	Description	Entries
D008247	Lysosomes	A class of morphologically heterogeneous cytoplasmic particles in animal and plant tissues characterized by their content of hydrolytic enzymes and the structure-linked latency of these enzymes. The intracellular functions of lysosomes depend on their lytic potential. The single unit membrane of the lysosome acts as a barrier between the enzymes enclosed in the lysosome and the external substrate. The activity of the enzymes contained in lysosomes is limited or nil unless the vesicle in which they are enclosed is ruptured or undergoes MEMBRANE FUSION. (From Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed).	Autolysosome,Autolysosomes,Lysosome
D009504	Neutrophils	Granular leukocytes having a nucleus with three to five lobes connected by slender threads of chromatin, and cytoplasm containing fine inconspicuous granules and stainable by neutral dyes.	LE Cells,Leukocytes, Polymorphonuclear,Polymorphonuclear Leukocytes,Polymorphonuclear Neutrophils,Neutrophil Band Cells,Band Cell, Neutrophil,Cell, LE,LE Cell,Leukocyte, Polymorphonuclear,Neutrophil,Neutrophil Band Cell,Neutrophil, Polymorphonuclear,Polymorphonuclear Leukocyte,Polymorphonuclear Neutrophil
D010587	Phagocytosis	The engulfing and degradation of microorganisms; other cells that are dead, dying, or pathogenic; and foreign particles by phagocytic cells (PHAGOCYTES).	Phagocytoses
D002463	Cell Membrane Permeability	A quality of cell membranes which permits the passage of solvents and solutes into and out of cells.	Permeability, Cell Membrane
D003584	Cytological Techniques	Methods used to study CELLS.	Cytologic Technics,Cytological Technic,Cytological Technics,Cytological Technique,Technic, Cytological,Technics, Cytological,Technique, Cytological,Techniques, Cytological,Cytologic Technic,Technic, Cytologic,Technics, Cytologic
D004731	Endotoxins	Toxins closely associated with the living cytoplasm or cell wall of certain microorganisms, which do not readily diffuse into the culture medium, but are released upon lysis of the cells.	Endotoxin
D004950	Esterases	Any member of the class of enzymes that catalyze the cleavage of an ester bond and result in the addition of water to the resulting molecules.	Esterase
D000085	Acetates	Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure.	Acetate,Acetic Acid Esters,Acetic Acids,Acids, Acetic,Esters, Acetic Acid
D000135	Acid Phosphatase	An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2.	Acid beta-Glycerophosphatase,Acid beta Glycerophosphatase