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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2007-10-11
pubmed:abstractText
Midkine (MK), a heparin-binding growth factor, is expressed highly in various malignant tumors, so it acts as attractive therapeutic target. In the present study, we used siRNA targeting MK to downregulate human MK expression in human gastric cancer cell line BGC823 and SGC7901 so as to determine the advantages of this anticancer therapeutic. The cell proliferation was evaluated by a WST-8 (4-[3-(2-methoxy-4-nitrophenyl)-2-(4-nitrophenyl)-2H-5-tetrazolio]-1, 3-benzene disulfonate sodium salt) assay and colony formation assay. Apoptosis was determined by flow cytometer analysis and colorimetric assay. Our results showed that the BGC823 and SGC7901 cell growth were significantly inhibited by knockdown of MK gene. The loss of mitochondrial membrane potential, release of cytochrome c from the mitochondria into cytosol and increased activity of caspase-3, 8 and 9 occurred concomitantly with inhibition of MK gene. These results indicated that siRNA targeting MK gene can inhibit gastric cancer cells growth and induce apoptosis via mitochondrial depolarization and caspase-3 activation. MK siRNA may be a promising novel and potential therapeutic strategy for the treatment of gastric cancers.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1021-7770
pubmed:author
pubmed:issnType
Print
pubmed:volume
14
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
783-95
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
siRNA targeting midkine inhibits gastric cancer cells growth and induces apoptosis involved caspase-3,8,9 activation and mitochondrial depolarization.
pubmed:affiliation
Immunology and Reproductive Biology Lab, Medical School and State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210093, P.R. China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't