Biotin-related proteins of 70 and 72 kDa in gallbladder bile in primary biliary cirrhosis

Motoko Sasaki; Yasuni Nakanuma; M. Eric Gershwin; Anthony J. Demetris; Ian R. Wanless; Swang N. Thung; Hiroshi Miyakawa; Masayoshi Kage; Takeshi Mitsui

Biotin-related proteins of 70 and 72 kDa in gallbladder bile in primary biliary cirrhosis

Motoko Sasaki, Yasuni Nakanuma, M. Eric Gershwin, Anthony J. Demetris, Ian R. Wanless, Swang N. Thung, Hiroshi Miyakawa, Masayoshi Kage, Takeshi Mitsui

Rheumatology, Allergy, and Clinical Immunology

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Primary biliary cirrhosis (PBC) is an autoimmune liver disease characterized by serum antimitochondrial antibody mainly reacting with inner lipoyl domain of E2 subunit of pyruvate dehydrogenase (PDC-E2). Lipoyl domain of PDC-E2 has sequence homologies with biotinylated site of biotin enzymes. This biotin-related protein and the C355.1 reactive antigen were surveyed by Western blotting in gallbladder bile samples from 27 patients with PBC and from 23 patients with other hepatobiliary disease. Biotin-related proteins of 70 and 72 kDa were detected in 89% of PBC samples, whereas it was infrequently detected in 48% of control samples (P < 0.01). C355.1 reactive antigen of 64 kDa was detected in 22% of PBC samples and 8.7% of control samples (P > 0.01). This biotin-related proteins of 70 and 72 kDa may refer to the pathogenesis of PBC.

Original language	English (US)
Pages (from-to)	154-160
Number of pages	7
Journal	Hepatology Research
Volume	14
Issue number	2
State	Published - Apr 1999

Keywords

Bile
Biotin enzyme
E2 subunit of pyruvate dehydrogenase
Primary biliary cirrhosis
Western blotting

ASJC Scopus subject areas

Gastroenterology

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Biotin-related proteins of 70 and 72 kDa in gallbladder bile in primary biliary cirrhosis. / Sasaki, Motoko; Nakanuma, Yasuni; Gershwin, M. Eric; Demetris, Anthony J.; Wanless, Ian R.; Thung, Swang N.; Miyakawa, Hiroshi; Kage, Masayoshi; Mitsui, Takeshi.

In: Hepatology Research, Vol. 14, No. 2, 04.1999, p. 154-160.

Research output: Contribution to journal › Article › peer-review

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abstract = "Primary biliary cirrhosis (PBC) is an autoimmune liver disease characterized by serum antimitochondrial antibody mainly reacting with inner lipoyl domain of E2 subunit of pyruvate dehydrogenase (PDC-E2). Lipoyl domain of PDC-E2 has sequence homologies with biotinylated site of biotin enzymes. This biotin-related protein and the C355.1 reactive antigen were surveyed by Western blotting in gallbladder bile samples from 27 patients with PBC and from 23 patients with other hepatobiliary disease. Biotin-related proteins of 70 and 72 kDa were detected in 89% of PBC samples, whereas it was infrequently detected in 48% of control samples (P < 0.01). C355.1 reactive antigen of 64 kDa was detected in 22% of PBC samples and 8.7% of control samples (P > 0.01). This biotin-related proteins of 70 and 72 kDa may refer to the pathogenesis of PBC.",

keywords = "Bile, Biotin enzyme, E2 subunit of pyruvate dehydrogenase, Primary biliary cirrhosis, Western blotting",

author = "Motoko Sasaki and Yasuni Nakanuma and Gershwin, {M. Eric} and Demetris, {Anthony J.} and Wanless, {Ian R.} and Thung, {Swang N.} and Hiroshi Miyakawa and Masayoshi Kage and Takeshi Mitsui",

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AU - Sasaki, Motoko

AU - Nakanuma, Yasuni

AU - Gershwin, M. Eric

AU - Demetris, Anthony J.

AU - Wanless, Ian R.

AU - Thung, Swang N.

AU - Miyakawa, Hiroshi

AU - Kage, Masayoshi

AU - Mitsui, Takeshi

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N2 - Primary biliary cirrhosis (PBC) is an autoimmune liver disease characterized by serum antimitochondrial antibody mainly reacting with inner lipoyl domain of E2 subunit of pyruvate dehydrogenase (PDC-E2). Lipoyl domain of PDC-E2 has sequence homologies with biotinylated site of biotin enzymes. This biotin-related protein and the C355.1 reactive antigen were surveyed by Western blotting in gallbladder bile samples from 27 patients with PBC and from 23 patients with other hepatobiliary disease. Biotin-related proteins of 70 and 72 kDa were detected in 89% of PBC samples, whereas it was infrequently detected in 48% of control samples (P < 0.01). C355.1 reactive antigen of 64 kDa was detected in 22% of PBC samples and 8.7% of control samples (P > 0.01). This biotin-related proteins of 70 and 72 kDa may refer to the pathogenesis of PBC.

AB - Primary biliary cirrhosis (PBC) is an autoimmune liver disease characterized by serum antimitochondrial antibody mainly reacting with inner lipoyl domain of E2 subunit of pyruvate dehydrogenase (PDC-E2). Lipoyl domain of PDC-E2 has sequence homologies with biotinylated site of biotin enzymes. This biotin-related protein and the C355.1 reactive antigen were surveyed by Western blotting in gallbladder bile samples from 27 patients with PBC and from 23 patients with other hepatobiliary disease. Biotin-related proteins of 70 and 72 kDa were detected in 89% of PBC samples, whereas it was infrequently detected in 48% of control samples (P < 0.01). C355.1 reactive antigen of 64 kDa was detected in 22% of PBC samples and 8.7% of control samples (P > 0.01). This biotin-related proteins of 70 and 72 kDa may refer to the pathogenesis of PBC.

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