RGD Reference Report - Immunocytochemical localization and serologic detection of transforming growth factor beta 1. Association with type I procollagen and inflammatory cell markers in diffuse and limited systemic sclerosis, morphea, and Raynaud's phenomenon. - Rat Genome Database

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Immunocytochemical localization and serologic detection of transforming growth factor beta 1. Association with type I procollagen and inflammatory cell markers in diffuse and limited systemic sclerosis, morphea, and Raynaud's phenomenon.

Authors: Higley, H  Persichitte, K  Chu, S  Waegell, W  Vancheeswaran, R  Black, C 
Citation: Higley H, etal., Arthritis Rheum. 1994 Feb;37(2):278-88.
RGD ID: 7394847
Pubmed: PMID:7510487   (View Abstract at PubMed)

OBJECTIVE: To determine the presence of transforming growth factor beta 1 (TGF beta 1) and inflammatory cell markers (HLA-DR and Factor XIIIa) and to compare these with the presence of type I procollagen, in clinically uninvolved and involved skin from patients with different subsets of systemic sclerosis (SSc), and to analyze circulating levels of TGF beta 1 in SSc patients. METHODS: TGF beta 1, HLA-DR, Factor XIIIa, and type I procollagen were detected in skin biopsy sections using a biotin-streptavidin-peroxidase system. Levels of circulating TGF beta 1 were measured using a capture enzyme-linked immunosorbent assay technique. RESULTS: Patients with active diffuse cutaneous SSc (dcSSc) showed minimal TGF beta 1 but significant type I procollagen staining in involved skin, while the clinically uninvolved skin of these patients showed moderate extracellular and intra-epidermal TGF beta 1 immunoreactivity. Patients with limited cutaneous SSc (lcSSc) showed elevated TGF beta 1 staining in both involved and uninvolved skin, as well as procollagen staining. Significant TGF beta 1 reactivity, HLA-DR and Factor XIIIa immunoreactivity, numerous inflammatory cells, and procollagen staining were seen in specimens from patients with morphea. Sequential biopsies suggested the presence of cytokine activity at the earliest stages of disease, which was not maintained with progression of sclerosis. Among the disease groups studied, elevated levels of circulating TGF beta 1 were seen only in patients with morphea. CONCLUSION: The pattern of TGF beta 1 staining in dermal sections from patients with dcSSc, lcSSc, and morphea suggests that this cytokine is important in the pathogenesis of scleroderma. Furthermore, the presence of TGF beta 1 prior to the onset of fibrosis indicates an early involvement of this growth factor, possibly in the inflammatory stage of the disease.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
TGFB1Humanlocalized scleroderma  IEP  RGD 
Tgfb1Ratlocalized scleroderma  ISOTGFB1 (Homo sapiens) RGD 
Tgfb1Mouselocalized scleroderma  ISOTGFB1 (Homo sapiens) RGD 

Objects Annotated

Genes (Rattus norvegicus)
Tgfb1  (transforming growth factor, beta 1)

Genes (Mus musculus)
Tgfb1  (transforming growth factor, beta 1)

Genes (Homo sapiens)
TGFB1  (transforming growth factor beta 1)


Additional Information