Catalog numbers L1668 and L8902 are suitable for cell culture assays and cell stimulation. The end user needs to design and optimize the assays. These products have not been specifically tested for intracellular cytokine staining assays. It is recommended to review the literature for further information.
L8629
Lectina de Phaseolus vulgaris (frijol rojo)
Erythroagglutinin PHA-E
Sinónimos:
Aglutinina de Phaseolus vulgaris, PHA
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| Tamaño de envase | SKU | Disponibilidad | Precio |
|---|---|---|---|
| 5 mg | Comprobar disponibilidad del carrito | US$ 307,00 |
Acerca de este artículo
NACRES:
NA.32
UNSPSC Code:
12352202
US$ 307,00
PRECIOS SIN IMPUESTOS NACIONALES
Comprobar disponibilidad del carrito
Servicio técnico
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Permítanos ayudarleQuality Level
form
salt-free, lyophilized powder
potency
<10 μg per mL agglutination activity (with erythryocytes)
composition
Protein, ≥80% biuret
storage temp.
2-8°C
Biochem/physiol Actions
La PHA consta de dos especies moleculares, la eritroaglutinina (PHA-E), que tiene poca actividad mitógena y elevada actividad de eritroaglutinina, y la leoucoaglutinina (PHA-L), que tiene elevada actividad mitógena y leoucoaglutinante, pero muy baja actividad eritroaglutininante
La PHA-E no es específica de grupo sanguíneo, pero la aglutinación puede ser inhibida por ciertos oligosacáridos. La PHA-P es la forma proteica de la PHA antes de la separación y la purificación de la eritroaglutinina y la leoucoaglutinina. La PHA-M es la forma mucoproteínica. Los conjugados se preparan a partir de las correspondientes lectinas purificadas.
La PHA-E no es específica de grupo sanguíneo, pero la aglutinación puede ser inhibida por ciertos oligosacáridos. La PHA-P es la forma proteica de la PHA antes de la separación y la purificación de la eritroaglutinina y la leoucoaglutinina. La PHA-M es la forma mucoproteínica. Los conjugados se preparan a partir de las correspondientes lectinas purificadas.
Preparation Note
Purified by a modification of the method of Leavitt.[1]
Analysis Note
Agglutination activity is expressed in μg/ml and is determined from serial dilutions of a 1 mg/ml solution. This activity is the lowest concentration to agglutinate a suspension of either human erythrocytes (2% in phosphate buffered saline, pH 6.8) or human leukocytes (107 per mL in saline) after 1 hr incubation at 25 °C.
Tested for leucoagglutination.
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Este artículo | |||
|---|---|---|---|
| form salt-free, lyophilized powder | form lyophilized powder | form lyophilized powder | form lyophilized powder |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| Quality Level 300 | Quality Level 300 | Quality Level 200 | Quality Level 300 |
| potency <10 μg per mL agglutination activity (with erythryocytes) | potency <40 μg per mL agglutination activity | potency erythroagglutination activity (Does not agglutinate a 2% suspension of human erythrocytes at <62.5 μg lectin/ml.), ≤1.0 μg/mL leucoagglutination activity, ≤5 μg/mL mitogenic activity | potency ≤62.5 μg per mL agglutination activity, ≤10 μg/mL mitogenic activity |
| composition Protein, ≥80% biuret | composition Protein, 50-70% biuret | composition Protein, ≥60% biuret | composition - |
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Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Artículos
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Número de artículo de comercio global
| SKU | GTIN |
|---|---|
| L8629-5MG | 04061833263709 |
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Which PHA is more suitable for cell stimulation and intracellular cytokine staining assays?
1 answer-
Helpful?
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What do the designations -P, -L, -M, and -E represent in the names of PHA products?
1 answer-
Generally, PHA-P or PHA-L is utilized to stimulate lymphocytes, although PHA-M will also work, but not to the same degree. The most active form is PHA-L (the mitogenic concentration is < 5μg/ml). PHA, or Phytohemagglutinin, comprises two molecular species:
1. Erythroagglutinin (PHA-E), which demonstrates low mitogenic activity and high erythroagglutinating activity.
2. Leucoagglutinin (PHA-L), which possesses high mitogenic and leucoagglutinating activity, accompanied by very low erythroagglutinating activity.
PHA-P represents the protein form of PHA before the erythroagglutinin and leucoagglutinin components are separated and purified. PHA-M refers to the mucoprotein form of Phytohemagglutinin.
Helpful?
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