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.
₩384,888
출고 가능일2025년 4월 01일세부사항
추천 제품
Quality Level
양식
salt-free, lyophilized powder
효능
<10 μg per mL agglutination activity (with erythryocytes)
구성
Protein, ≥80% biuret
저장 온도
2-8°C
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생화학적/생리학적 작용
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.
품질
Tested for leucoagglutination.
제조 메모
Purified by a modification of the method of Leavitt.[1]
분석 메모
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.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type N95 (US)
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시험 성적서(COA)
Lot/Batch Number
이미 열람한 고객
Tuo Yang et al.
Cell reports, 29(9), 2917-2928 (2019-11-28)
Increased tolerance of Plasmodium falciparum to front-line artemisinin antimalarials (ARTs) is associated with mutations in Kelch13 (K13), although the precise role of K13 remains unclear. Here, we show that K13 mutations result in decreased expression of this protein, while mislocalization
R D Leavitt et al.
The Journal of biological chemistry, 252(9), 2961-2966 (1977-05-10)
Affinity-purified phytohemagglutinin from red kidney bean resolves into five isolectins by SP-Sephadex ion exchange chromatography. Recoveries ranging from 30 to 130 mg of protein for each isolectin are easily achieved. The isolectins have similar amino acid compositions which differ only
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H J Hoffmann et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 33(7), 930-935 (2003-07-16)
Atopy is closely associated with the cellular T helper type-2 (Th2) phenotype, that is dominated by the pleiotrophic cytokine IL-4. The cellular source of IL-4 has yet to be determined, although basophils have been proposed. Eosinophils and mast cells are
문서
Find the right lectin for your research with our lectin selection guide, organized by lectin source/species, carbohydrate specificity, blood group specificity, and more.
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Which PHA is more suitable for cell stimulation and intracellular cytokine staining assays?
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도움이 되었습니까?
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What do the designations -P, -L, -M, and -E represent in the names of PHA products?
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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.
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