PhytoheMagglutinin-L (PHA-L)

PhytoheMagglutinin-L (PHA-L) Chemische Eigenschaften,Einsatz,Produktion Methoden

• Verwenden

  Phytohemagglutinin-L (PHA-L) consists of only L-type subunits (isolectin L₄, "leuko-agglutinin"), and is well suited for high-efficiency induction and the functional analysis of T-lymphocytes. It is highly purified and tested for high-efficiency stimulation of human lymphocytes. It is also used as positive controls for peripheral blood mononuclear cells (PBMC) stimulation.

• Allgemeine Beschreibung

  PHA-L is purified from Phaseolus vulgaris (red kidney bean) by standard chromatographic techniques.
  Phytohemagglutinin (PHA), the lectin extract from the red kidney bean, consists of only L-type subunits (isolectin L4, "leuko-agglutinin"). It is an N-acetylgalactosamine/galactose sugar-specific lectin. PHA consists of five isolectins (L4E0, L3E1, L2E2, L1E3, L0E4) each being a tetramer held together by noncovalent forces. The subunits L (leukocyte reactive) have a high affinity for lymphocyte surface receptors, but little for those of erythrocytes, and are responsible for the mitogenic properties of the isolectins. E (erythrocyte reactive) is responsible for the erythrocyte-agglutinating properties.

• Biochem/physiol Actions

  Phytohemagglutinin (PHA) has mitogenic and potent cell agglutinating activities. It binds to T-cell membranes and stimulates cell division and metabolic activity. PHA has the ability to stimulate close contacts between cell membranes.

PhytoheMagglutinin-L (PHA-L) Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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