ApoMark Apoptosis Kit (alle), RUO (30 Tests)

248,00 

1 Kit

Voraussichtliche Lieferzeit: 12 Werktage

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Artikelnummer: X2044K1 Kategorie: Schlagwort:
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    Cell death occurs by two major mechanisms, necrosis and apoptosis. Apoptosis is also known as programmed cell death or ankoikis (a form of apoptosis which is induced by anchorage-dependent cells detaching from the surrounding extracellular matrix). Apoptosis leads to the elimination of cells without releasing harmful substances into the surrounding area. Too little or too much apoptosis plays a role in a great many diseases. When apoptosis functions inappropriately, cells that should be eliminated survive and potentially become immortal, as in cancer or leukemia. When apoptosis works overly well, too many cells may &rsquoËœdie&rsquo and the result may be grave tissue damage. This is the case in stroke and neurodegenerative disorders such as Alzheimer, Huntington and Parkinson diseases. The term &rsquoËœapoptosis&rsquo refers only to the structural changes a cell goes through during the process of programmed cell death and not to the process itself. Classical necrotic cell death occurs due to noxious injury or trauma to the cell while apoptosis is an energy dependent mechanism that takes place during normal cell development. While necrotic cell death results in cell lysis, cellular apoptosis is characterized morphologically by cell shrinkage, nuclear pyknosis, chromatin condensation, and blebbing of the plasma membrane. Apoptosis is the result of a cascade of molecular and biochemical events involving endogenous endonucleases that cleave DNA into the prototypical &rsquoËœladder of DNA fragments&rsquo that may be visualized in agarose gels. Observation of oligonucleosomal DNA fragments by DNA laddering has long been the most acceptable and only available assay for the detection of apoptosis. Exalpha is DNA Fragmentation Detection Kit exploits the fact that apoptotic endonucleases not only affect cellular DNA by producing the classical DNA ladder but also generate free 3&rsquo-OH groups at the ends of these DNA fragments. These free 3&rsquo-OH groups are end-labeled by the DNA Fragmentation Detection Kit allowing for the detection of apoptotic cells using a molecular biology-based, end labeling technique.
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