Metabolome analysis of abnormal bile acids as specific biomarkers in the inborn error of cholesterol biosynthesis (SLOS)
Project/Area Number |
24550107
|
Research Category |
Grant-in-Aid for Scientific Research (C)
|
Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Analytical chemistry
|
Research Institution | Nihon University |
Principal Investigator |
IIDA Takashi 日本大学, 文理学部, 教授 (60060125)
|
Project Period (FY) |
2012-04-01 – 2015-03-31
|
Project Status |
Completed (Fiscal Year 2014)
|
Budget Amount *help |
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
|
Keywords | 生体分子 / 先天性コレステロール代謝異常症 / コレステロール異常代謝産物 / LC/ESI-MS/MS / スミス‐レムリ‐オピッツ症候群(SLOS) / 7-デヒドロコレステロール レダクターゼ欠損症 / SLOS疾患 / LC-MS/MS / 異常胆汁酸 / MassBank / SLOS症候群 / Mass Bank |
Outline of Final Research Achievements |
The synthesis of bile acids from cholesterol is a complex biochemical pathway involving at least 16 enzymes. Inborn errors of cholesterol biosynthesis in Smith-Lemli-Opitz Syndrome (SLOS: 7-dehydrocholesterol reductase deficiency, Dhcr7) result in excessive formation of abnormal intermediates of 4α- and 4β-hydroxy-7-dehydrocholesterols (as the unconjugated and conjugated forms) and/or their metabolites that accumulate in blood and are excreted in part in urine. In the past, these intermediates in cholesterol biosynthesis have been detected in neonatal blood or urine by screening with FAB-MS followed by detailed characterization using GC-MS. Both methods have proved difficult to automate, and currently most laboratories screen candidate samples using LC-MS/MS. Here, we describe a new, simple and sensitive analytical method for identification and chracterization of 4α- and 4β-dehydrocholesterols (as biomarkers for SLOS), using LC/ESI-MS/MS.
|
Report
(4 results)
Research Products
(19 results)
-
[Journal Article] Origin of myofiblasts in the fibrotic liver in mice2014
Author(s)
K.Iwaisako, C.Jiang, M.Zhang, M.Cong, T.J.Moore-Morris, T.J.Park, X.Liu, J.Xu, P.Wang, Y-H.Paik, F.Meng, M.Asagiri, L.A.Murray, A.F.Hofmann, T.Iida, C.K.Glass, D.A.Brenner, T.Kisseleva
-
Journal Title
Proc. Natl. Acad. Sci. USA.
Volume: 111
Issue: 32
DOI
Related Report
Peer Reviewed
-
[Journal Article] Improved chemical synthesis, X-ray crystallographic analysis, and NMR characterization of (22R)-/(22S)-hydroxy epimers of bile acids2014
Author(s)
K.Omura, A.Ohsaki, B.Zhou, M.Kushida, T.Mitsuma, A.Kobayashi, L.R.Hagey, A.F.Hofmann, T.Iida
-
Journal Title
Lipids
Volume: 49
Pages: 1169-1180
Related Report
Peer Reviewed
-
[Journal Article] N-methyltaurine N-acyl amidated bile acids and deoxycholic acid in the bile of angelfish (Pomacanthidae): a novel bile acid profile in Perciform fish2014
Author(s)
Okihara, R.S.N., Saito, T., Ogata, H., Ohsaki, A., Iida, T., Asahina, K., Mitamura, K., Ikegawa, S., Hofmann, A.E., Hagey, L.R.
-
Journal Title
Steroids
Volume: 80
Pages: 15-23
DOI
Related Report
Peer Reviewed / Open Access
-
-
-
[Journal Article] LC/ESI-MS/MS Analysis of Urinary 3β-Sulfo-7β-N-acetylglucosaminyl-5-cholen-24-oic acid and its Amidates: New Biomarkers for the Detection of Niemann-Pick Type C Disease.2013
Author(s)
M.Maekawa, Y.Misawa, A.Sotoura, H.Yamaguchi, M.Togawa, K.Ohno, H.Nittono, G.Kakiyama, T.Iida, A.F.Hofmann, J.Goto, M.Shimada, N.Mano
-
Journal Title
Steroids
Volume: 78
Issue: 10
Pages: 967-972
DOI
Related Report
Peer Reviewed
-
-
-
[Journal Article] Detection of Δ4-3-Oxo-steroid 5β-Reductase Deficiency by LC-ESI-MS/MS Measurement of Urinary Bile Acids.2012
Author(s)
A.Muto, H.Takei, A.Unnno, T.Murai, T.Kurosawa, S.Ogawa, T.Iida, S.Ikegawa, J.Mori, A.Ohtake, T.Hoshitra, T.Muzuochi, A.,KImura, A.F.Hofmann, L.R.Hagey, H.Nittono
-
Journal Title
J. Chromagogr. B
Volume: 900
Pages: 24-31
Related Report
Peer Reviewed
-
[Journal Article] Synthesis of Multiply Deuterated 3- and 21-Monmosulfates of Allo-Tetrahydrocorticosteroids as Internal Standards for Mass Spectrometry2012
Author(s)
K.Mitamura, T.Mabuchi, K.Nagae, M.Nakajima, R.Matsumoto, S.Fujioka, K.Sato, R.Sato, T.Iida, S.Ogawa, A.F.Hofmann, S.Ikegawa
-
Journal Title
Steroids
Volume: 77
Pages: 1423-1437
Related Report
Peer Reviewed
-
[Journal Article] A Novel Varanic Acid Epimer-(24R,25S)-3α,7α,12α,24-Tetrahydroxy-5β-cholestan-27-oic Acid-is a Major Biliary Bile Acid in Two Varanid Lizards and the Gila Monster2012
Author(s)
L.R.Hagey, S.Ogawa, N.Kato, R.Satoh, M.Une, K.Mitamura, S.Ikegawa, A.F.Hofmann, T.Iida
-
Journal Title
Steroids
Volume: 77
Pages: 1510-1521
Related Report
Peer Reviewed
-
-
-
-
-
-
-
-