L9017
Lectin from Phaseolus vulgaris (red kidney bean)
Phytohemagglutinin PHA-P, BioXtra, purified by affinity chromatography, lyophilized powder
Synonim(y):
Phaseolus vulgaris agglutinin, PHA
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About This Item
Polecane produkty
pochodzenie biologiczne
Phaseolus vulgaris
linia produktu
BioXtra
Postać
lyophilized powder
siła działania
≤17 μg per mL agglutination activity
oczyszczone przez
affinity chromatography
zanieczyszczenia
salt, essentially free
temp. przechowywania
2-8°C
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Opis ogólny
Lectins are carbohydrate-binding proteins, that contains four subunits with a molecular weight of 125 kDa. Leucoagglutinin PHA-L is a plant lectin, which is transported by the neurons in the central nervous system.
Zastosowanie
Lectin from Phaseolus vulgaris (red kidney bean) has been used:
- for phytohemagglutinin (PHA) swelling assay
- for lymphocyte activation assay
- to evaluate cell-mediated immune response
Działania biochem./fizjol.
Lectin agglutinates cells and precipitates polysaccharides and glycoproteins. It has anti-cancer, anti-human immunodeficiency virus (anti-HIV) and anti-microbial infection properties. Lectin is associated with toxic allergens and hemagglutinins. Lectin inhibits mucosal atrophy, lowers type 2 diabetes and obesity, enhances nutrient absorption and regulates drug targeting.
PHA consists of two molecular species, an erythroagglutinin (PHA-E) which has low mitogenic activity and high erythroagglutinin activity, and leucoagglutinin (PHA-L) which has high mitogenic and leucoagglutinating activity, but very low erythroagglutinating activity.
PHA-E is not blood group specific, but agglutination can be inhibited by certain oligosaccharides. PHA-P is the protein form of PHA prior to separation and purification of erythroagglutinin and leucoagglutinin. PHA-M is the mucoprotein form. Conjugates are prepared from the corresponding purified lectins.
PHA-E is not blood group specific, but agglutination can be inhibited by certain oligosaccharides. PHA-P is the protein form of PHA prior to separation and purification of erythroagglutinin and leucoagglutinin. PHA-M is the mucoprotein form. Conjugates are prepared from the corresponding purified lectins.
Jakość
Mitogenic activity at ≤10 μg per mL.
Komentarz do analizy
Agglutination activity is expressed in mg/mL and is determined from serial dilutions of a 1 mg/mL solution. This activity is the lowest concentration to agglutinate a suspension of 2% human erythrocytes in phosphate buffered saline, pH 6.8 after 1 hr incubation at 25 °C. Mitogenic activity is determined by BrdU incorporation.
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Kod klasy składowania
11 - Combustible Solids
Klasa zagrożenia wodnego (WGK)
WGK 3
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Certyfikaty analizy (CoA)
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