For assay purposes, this product is reconstituted at 1 mg/mL in 0.9% NaCl. Stock solutons are used immediately. For extended storage, the higher concetration of 5 mg/mL may assure maximum recovery. Lectins have a tendency to stick to surfaces. When stored at lower concentrations, any loss due to surface adhesion is more impactful. Note that stock solutions should be well mixed after thawing to assure maximum potency.
L8777
Lectin from Phytolacca americana (pokeweed)
lyophilized powder, BioReagent, suitable for cell culture
Synonym(s):
PWM, Pokeweed mitogen
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| Size/SKU | Availability | Price |
|---|---|---|
5 mg | Estimated to ship onOctober 15, 2026fromMILWAUKEE | $133.00 |
10 mg | Estimated to ship onOctober 15, 2026fromMILWAUKEE | $241.00 |
About This Item
Form:
lyophilized powder
$133.00
Estimated to ship onOctober 15, 2026Details
sterility
aseptically filled
Quality Segment
product line
BioReagent
form
lyophilized powder
potency
≤0.3 μg/mL mitogenic activity
technique(s)
cell culture | mammalian: suitable
solubility
PBS: 1 mg/mL
storage temp.
2-8°C
General description
Application
Biochem/physiol Actions
Lectins are carbohydrate-binding proteins and are highly specific for sugar moieties. Pokeweed lectin (PL) is a lectin specific for N-acetylglucosamine-containing saccharides that stimulate peripheral lymphocytes to undergo mitosis by binding to their cell surfaces. Four types of lectins are isolated from the roots of pokeweed (Phytolacca americana). They contain homologous domains but have different molecular sizes and biological properties.
PWM is extracted from pokeweed roots. This protein has hemagglutinating, leukoagglutinating, and mitogenic properties. PWM is not blood group specific, but has affinity for N-acetyl-β-D-glucosamine oligomers.
Analysis Note
Mitogenic activity was determined by BrdU incorporation in HeLa cell cultures.
Partially purified TCA precipitate.
Essentially salt-free.
Essentially salt-free.
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This Item | |||
|---|---|---|---|
| description lyophilized powder, BioReagent, suitable for cell culture | description lyophilized powder | description lyophilized powder | description lyophilized powder |
| technique(s) cell culture | mammalian: suitable | technique(s) - | technique(s) - | technique(s) - |
| form lyophilized powder | form lyophilized powder | form lyophilized powder | form lyophilized powder |
| solubility PBS: 1 mg/mL | solubility - | solubility - | solubility - |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| potency ≤0.3 μg/mL mitogenic activity | potency ≤0.3 μg/mL mitogenic activity | potency - | potency <20 μg/mL per mL agglutination activity |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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I want to use this for B cell stimulation. Is it better to reconstitute in 1 mL (5mg/mL) or 5mL (1mg/mL) PBS for this? I will use this to stimulate PBMCs at a concentration of 3 ug/mL (as recommended in the previous post).
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Helpful?
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how to prepare Pokeweed to be used as mitogen for B-ALL cytogenetics blood culture
1 answer-
This product can be dissolved in PBS and used at up to 3 ug/ml for mitogenic effects on human peripheral blood mononuclear cells. Any concentration higher than 3 ug/ml could be toxic to these cells.
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