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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2008-1-21
pubmed:abstractText
An antihemorrhagic protein has been isolated from the serum of Chinese mamushi (Gloydius blomhoffi brevicaudus) by using a combination of ethanol precipitation and a reverse-phase high-performance liquid chromatography (HPLC) on a C8 column. This protein-designated Chinese mamushi serum factor (cMSF)-suppressed mamushi venom-induced hemorrhage in a dose-dependent manner. It had no effect on trypsin, chymotrypsin, thermolysin, and papain but inhibited the proteinase activities of several snake venom metalloproteinases (SVMPs) including hemorrhagic enzymes isolated from the venoms of mamushi and habu (Trimeresurus flavoviridis). A similar protein (Japanese MSF, jMSF) with antihemorrhagic activity has also been purified from the sera of Japanese mamushi (G. blomhoffi). The N-terminal 70 and 51 residues of the intact cMSF and jMSF were directly analyzed; a similarity between the sequences of two MSFs to that of antihemorrhagic protein (HSF) from habu serum was noticed. To obtain the complete amino acid sequences of MSFs, cDNAs encoding these proteins were cloned from the liver mRNA of Chinese and Japanese vipers based on their N-terminal amino acid sequences. The mature forms of both MSFs consisted of 305 amino acids with a 19-residue signal sequence, and a unique 17-residue deletion was detected in their His-rich domains.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0041-0101
pubmed:author
pubmed:issnType
Print
pubmed:volume
51
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
251-61
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Properties and cDNA cloning of antihemorrhagic factors in sera of Chinese and Japanese mamushi (Gloydius blomhoffi).
pubmed:affiliation
Department of Chemistry, Faculty of Science, Fukuoka University, 8-19-1 Nanakuma, Fukuoka 814-0180, Japan.
pubmed:publicationType
Journal Article