Document Detail


IDH1 and IDH2 have critical roles in 2-hydroxyglutarate production in D-2-hydroxyglutarate dehydrogenase depleted cells.
MedLine Citation:
PMID:  22683334     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
D-2-hydroxyglutaric aciduria is a hereditary metabolic disorder characterized by the elevated levels of D-2-hydroxyglutaric acid (D-2HG) in urine, plasma and cerebrospinal fluid. About half of the patients have autosomal recessive mutations in D-2-hydroxyglutarate dehydrogenase (D2HGDH) gene. To analyze the origin of D-2HG in D2HGDH-depleted cells, we used small interfering RNA (siRNA) techniques. We found that knockdown of D2HGDH in MCF7 cells increased the levels of 2HG, mimicking D2HGDH mutant cells. Additional knockdown of isocitrate dehydrogenase 1 (IDH1) or isocitrate dehydrogenase 2 (IDH2) decreased the level of 2HG in D2HGDH knockdown MCF7 cells. Conversely, ectopic expression of IDH1 or IDH2 increased 2HG in MCF7 cells. These results suggest that IDH1 and IDH2 have roles in production of D-2HG in cells.
Authors:
Hironori Matsunaga; Akiko Futakuchi; Makoto Takahashi; Tomio Ishikawa; Makoto Tsuji; Osamu Ando
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-6
Journal Detail:
Title:  Biochemical and biophysical research communications     Volume:  -     ISSN:  1090-2104     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372516     Medline TA:  Biochem Biophys Res Commun     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Inc.
Affiliation:
Oncology Reaserch Laboratories;R&D Division, Daiichi Sankyo Co., Ltd, 1-16-13, Kitakasai, Edogawa-ku, Tokyo 134-8630, Japan.
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