| Description | GM-CSF (granulocyte-macrophage colony-stimulating factor, also referred to as CSF2) is produced in by endothelial cells, monocytes, fibroblasts and T-lymphocytes. Recombinant human GM-CSF is a 14.6kDa globular protein consisting of 128 amino acids containing two intramolecular disulfide bonds and GM-CSF (granulocyte-macrophage colony-stimulating factor, also referred to as CSF2) is produced in by endothelial cells, monocytes, fibroblasts and T-lymphocytes. Recombinant human GM-CSF is a 14.6kDa globular protein consisting of 128 amino acids containing two intramolecular disulfide bonds and two potential N-linked glycosylation sites. The human and murine molecules are species-specific and exhibit no cross-species reactivity. Application:Granulocyte-Macrophage Colony-Stimulating Factor human has been used in the medium for plating of the cells. It has been used in culture medium for the differentiation of human peripheral blood mononuclear cells... Read More | Inquire | Inquire | Inquire | Crude collagenase preparations contain several isoforms of two different collagenases, a sulfhydryl protease, clostripain, a trypsin-like enzyme, and an aminopeptidase. This combination of collagenolytic and proteolytic activities is effective at breaking down intercellular matrices, the essential Crude collagenase preparations contain several isoforms of two different collagenases, a sulfhydryl protease, clostripain, a trypsin-like enzyme, and an aminopeptidase. This combination of collagenolytic and proteolytic activities is effective at breaking down intercellular matrices, the essential part of tissue dissociation. One component of the complex is a hydrolytic enzyme which degrades the helical regions in native collagen preferentially at the Y-Gly bond in the sequence Pro-Y-Gly-Pro, where Y is most frequently a neutral amino acid. This cleavage yields products susceptible to further peptidase digestion. Crude collagenase is inhibited by metal chelating agents such as cysteine, EDTA or o-phenanthroline but not DFP. It is also inhibited by α2-macroglobulin, a large plasma glycoprotein. Ca2+ is required for enzyme activity. Particular enzymatic profiles of each collagenase have been correlated with the tissues from which the cells for study were obtained (or with the uses to which the cells are put) and as a result of the correlations several types of crude collagenases have been established by Aladdin: Types 1, 2, 3, and 4.This collagenase has been tested with cell lines to verify the product is not cytotoxic. Collagenase is typically used to digest the connective components in tissue samples to liberate individual cells. The concentration for cartilage dispersal is 1-2 mg/ml, but literature searches should be performed for species specific and/or tissue specific concentrations... Read More |