Genomic Analysis of Collagen and Endogenous Virus Loci in the UCD-200 and 206 Lines of Chickens, Animal Models for Scleroderma

Roswitha Sgonc, Hermann Dietrich, M. Eric Gershwin, Alfonso Colombatti, Georg Wick

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

University of California at Davis (UCD) lines 200 and 206 chickens develop a hereditary systemic scleroderma-like connective tissue disease characterized by severe lymphocytic infiltration and excessive accumulation of collagen in skin and internal organs. The immune system seems to play an important role in the development and/or perpetuation of this condition. The main goal of our work with this strain is the investigation of interactions between endothelial cells, lymphocytes, macrophages and fibroblasts leading to the proliferation of the latter and to excessive collagen synthesis and/or deposition. One aim of the present study was to clarify whether UCD-200 and 206 chickens have a defect of collagen genes at the genomic level by means of restriction fragment length polymorphism (RFLP) analysis using non-radioactively labelled cDNA probes specific for chicken α1(I), α2(I), α1(II), α1(III), α1(VI), α2(VI), and α3(VI) (pro)collagens. As in the human disease, no gross alteration at the genomic level of collagen genes has been found, thus proving the UCD-200/206 model to be appropriate for studying the altered collagen metabolism in systemic sclerosis (SSc). In addition to the RFLP analysis of procollagen genes, we investigated the endogenous avian leukosis virus loci (ev) of UCD-200 and 206 chickens by means of Southern blot analysis of Sac I and BamH I digested DNA samples using pRAV-2, a Rous sarcoma virus specific probe, for hybridization. Most UCD-200 and 206 chickens harbourevs 1,3and10similar to the healthy control UCD-058, but they also contain a novelevcharacterized by a 4.2 kb Sac I fragment and a 6.1 kb BamH I fragment, which we would like to designateev 23. So far, the role ofev 23in the development of avian scleroderma is unclear; for further analysis classical crossbreeding experiments are necessary and are underway.

Original languageEnglish (US)
Pages (from-to)763-770
Number of pages8
JournalJournal of Autoimmunity
Volume8
Issue number5
DOIs
StatePublished - Oct 1995

Fingerprint

Chickens
Collagen
Animal Models
Viruses
Systemic Scleroderma
Restriction Fragment Length Polymorphisms
Avian Leukosis Virus
Genetic Hybridization
Genes
Rous sarcoma virus
Procollagen
Connective Tissue Diseases
Southern Blotting
Immune System
Endothelial Cells
Complementary DNA
Fibroblasts
Macrophages
Lymphocytes
Skin

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Genomic Analysis of Collagen and Endogenous Virus Loci in the UCD-200 and 206 Lines of Chickens, Animal Models for Scleroderma. / Sgonc, Roswitha; Dietrich, Hermann; Gershwin, M. Eric; Colombatti, Alfonso; Wick, Georg.

In: Journal of Autoimmunity, Vol. 8, No. 5, 10.1995, p. 763-770.

Research output: Contribution to journalArticle

Sgonc, Roswitha ; Dietrich, Hermann ; Gershwin, M. Eric ; Colombatti, Alfonso ; Wick, Georg. / Genomic Analysis of Collagen and Endogenous Virus Loci in the UCD-200 and 206 Lines of Chickens, Animal Models for Scleroderma. In: Journal of Autoimmunity. 1995 ; Vol. 8, No. 5. pp. 763-770.
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