Chromosome localization and rflp analysis of pdc-e2

The major autoantigen of primary biliary cirrhosis

Patrick S Leung, Yasuyuki Watanabe, Santiago Munoz, Suzanne S Teuber, Mulchand S. Patel, Julie R. Korenberg, Paul Hara, Ross Coppel, M. Eric Gershwin

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Patients with primary biliary cirrhosis are well known for the presence of high titer antibodies against dihydrolipoamide acetyltransferase. the E2 subunit of the pyruvate dehydrogenase complex. We have taken advantage of a cDNA probe for dihydrolipoamide acetyltransferase to explore the possibility of polymorphism of the E2 subunit by probing genomic DNA from 38 patients with primary biliary cirrhosis and 26 healthy controls. To detect restriction fragment length polymorphism, DNA was digested with ten specific restriction enzymes that often detect polymorphism, including Barn HI, Bgl II. Eco RI, Hind III, Hinf I, Msp I, Pst I, Pvu II, Rsa I and Taq I. A Taq I polymorphism was found in 19 of 38 patients with PBC and 6 of 26 normal controls. In addition, using fluorescence in situ hybridization, the gene for dihydrolipoamide acetyltransferase was mapped on human chromosome 11 band q23.1. Interestingly, this region of the long arm of chromosome 11 is often associated with cyto genetic abnormalities, including translocations.

Original languageEnglish (US)
Pages (from-to)335-340
Number of pages6
JournalAutoimmunity
Volume14
Issue number4
DOIs
StatePublished - 1993

Fingerprint

Dihydrolipoyllysine-Residue Acetyltransferase
Biliary Liver Cirrhosis
Autoantigens
Chromosomes
Chromosomes, Human, Pair 11
Deoxyribonuclease EcoRI
DNA
Human Chromosomes
Fluorescence In Situ Hybridization
Restriction Fragment Length Polymorphisms
Complementary DNA
Antibodies
Enzymes
Genes

Keywords

  • Auto antigens
  • PDC-E2
  • Primary biliary cirrhosis

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Chromosome localization and rflp analysis of pdc-e2 : The major autoantigen of primary biliary cirrhosis. / Leung, Patrick S; Watanabe, Yasuyuki; Munoz, Santiago; Teuber, Suzanne S; Patel, Mulchand S.; Korenberg, Julie R.; Hara, Paul; Coppel, Ross; Gershwin, M. Eric.

In: Autoimmunity, Vol. 14, No. 4, 1993, p. 335-340.

Research output: Contribution to journalArticle

Leung, Patrick S ; Watanabe, Yasuyuki ; Munoz, Santiago ; Teuber, Suzanne S ; Patel, Mulchand S. ; Korenberg, Julie R. ; Hara, Paul ; Coppel, Ross ; Gershwin, M. Eric. / Chromosome localization and rflp analysis of pdc-e2 : The major autoantigen of primary biliary cirrhosis. In: Autoimmunity. 1993 ; Vol. 14, No. 4. pp. 335-340.
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