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Merck
CN

P3369

Protamine sulfate

solid, 90.0-110.0% dry basis,≥92% (chromatography), suitable for transduction

Synonym(s):

Salmine sulfate from salmon sperm, Protamine sulfate

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.77
MDL number:
Technical Service
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Product Name

Protamine sulfate, meets USP testing specifications

agency

meets USP testing specifications

Quality Level

assay

≥92% (chromatography), 90.0-110.0% dry basis

form

solid

mol wt

Mr 5000-10000

technique(s)

transduction: suitable

shipped in

ambient

storage temp.

2-8°C

General description

Protamine sulfate is a cationic polypeptide having a molecular weight of 5 kDa, isolated from salmon sperm.

Application

Protamine sulfate has been used in the transduction of
  • lentiviruses into human embryonic 293T cells
  • shRNA into mesenchymal stem cells/marrow stromal cells (MSC)
  • lenti Sca1-OCT4 plasmid into human cord blood hematopoietic progenitor CD34+ cells

Biochem/physiol Actions

Alkaline protamine binds to negatively charged heparin. Use of protamine during cardiovascular surgery sometime triggers anaphylactic reactions.
Protamine facilitates direct transfection of microbial cells, and of human cells using cationic liposomes. Protamine effectively neutralizes the anticoagulation effects of heparin.


Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

低风险生物材料

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Protamine sulfate down-regulates thrombin generation by inhibiting factor V activation
Ainle FN, et al.
Blood, 114(8), 1658-1665 (2009)
V Diness et al.
Thrombosis and haemostasis, 56(3), 318-322 (1986-12-15)
The neutralization of a low molecular weight heparin (LHN-1) and conventional heparin (CH) by protamine sulfate has been studied in vitro and in vivo. In vitro, the APTT activity of CH was completely neutralized in parallel with the anti-Xa activity.
Serious anaphylactic reactions due to protamine sulfate: a systematic literature review
Nybo M and Madsen JS
Basic and Clinical Pharmacology and Toxicology, 103(2), 192-196 (2008)



Global Trade Item Number

SKUGTIN
P3369-100G04061835558292
P3369-10G04061835558308