PMID- 11890874 OWN - NLM STAT- MEDLINE DCOM- 20020508 LR - 20191105 IS - 1523-3774 (Print) IS - 1523-3774 (Linking) VI - 4 IP - 2 DP - 2002 Apr TI - The genetics of systemic sclerosis. PG - 99-107 AB - The etiopathogenesis of systemic sclerosis (SSc) is unclear. With no definitive evidence supporting an environmental cause, recent attention has focused on genetic factors. Familial clustering and ethnic influences have been demonstrated. Human leukocyte antigen (HLA) associations exist but are more related to the presence of particular autoantibodies rather than to the disease. In addition, no single major histocompatibility complex (MHC) allele predisposes to SSc in all ethnic groups. The role of microchimerism in SSc is a novel yet unproven hypothesis that may be related to intergenerational HLA compatibility. Recent studies investigating polymorphisms in genes coding for extracellular matrix proteins and cell-signaling molecules implicate non-MHC areas in SSc pathogenesis. The data reviewed suggest that SSc is a multigenic complex disorder. FAU - Johnson, Randall W AU - Johnson RW AD - University of Texas Health Science Center, Department of Internal Medicine, 6431 Fannin MSB 5.260, Houston, TX 77030, USA. Frank.C.Arnett@uth.tmc.edu FAU - Tew, Monty B AU - Tew MB FAU - Arnett, Frank C AU - Arnett FC LA - eng PT - Journal Article PT - Review PL - United States TA - Curr Rheumatol Rep JT - Current rheumatology reports JID - 100888970 RN - 0 (Autoantibodies) RN - 0 (Cytokines) RN - 0 (Extracellular Matrix Proteins) RN - 0 (HLA Antigens) RN - 0 (HLA-D Antigens) SB - IM MH - Autoantibodies/genetics MH - Cytokines/genetics MH - Extracellular Matrix Proteins/genetics MH - HLA Antigens/genetics MH - HLA-D Antigens/genetics MH - Humans MH - Polymorphism, Genetic MH - Scleroderma, Systemic/ethnology/*genetics RF - 81 EDAT- 2002/03/14 10:00 MHDA- 2002/05/09 10:01 CRDT- 2002/03/14 10:00 PHST- 2002/03/14 10:00 [pubmed] PHST- 2002/05/09 10:01 [medline] PHST- 2002/03/14 10:00 [entrez] AID - 10.1007/s11926-002-0004-2 [doi] PST - ppublish SO - Curr Rheumatol Rep. 2002 Apr;4(2):99-107. doi: 10.1007/s11926-002-0004-2.