Table 1.
Gene | Chromosomal region | Functions | Involvement in disease | Roles in TGF-β pathway | Reference |
---|---|---|---|---|---|
FBN1 | 15q21.1 | A component of calcium-binding microfibrils, provide force-bearing structural support in connective tissue | MFS, MASS, EL, WMS, SGS, NPS | Maintain matrix structure and function, participate in the matrix sequestering of TGF-β | 91-93 |
FBN2 | 5q23.3 | A component of connective tissue microfibrils, assembled into elastic fiber | CCA | Maintain matrix structure and function, participate in the matrix sequestering of TGF-β | 98-100 |
TGFBR1 | 9q22.33 | Transduce the TGF-β signal | LDS | Transduce of TGF-β pathway signaling from the cell surface to the cytoplasm | 101-103, 109 |
TGFBR2 | 3p24.1 | Phosphorylates proteins and regulates the transcription of genes | MFS, LDS, tumors | Transduce of TGF-β pathway signaling from the cell surface to the cytoplasm | 101-103, 109 |
LTBP-1 | 2p22.3 | Targets the TGF-β to extracellular matrix | N/A | Regulate the concentration of TGF-β | 112-115 |
LTBP-2 | 14q24.3 | A component of TGF-β latent complex, a structural component of microfibrils | PCG, MSPKA, WMS3 | Regulate the concentration of TGF-β | 118,119 |
LTBP-3 | 11q13.1 | Combines with TGF-β, a structural component of extracellular matrix | DASS, GPHYSD3 | Regulate the concentration of TGF-β | 112,113 |
SKI | 1p36.33-p36.32 | A repressor of TGF-β signaling, regulates the neural tube development and muscle differentiation | SGS | Inhibit the phosphorylation of Smad2 and Smad3 | 126,127 |
Abbreviations: CCA, Congenital Contractural Arachnodactyly; DASS, Dental anomalies and short stature; EL, ectopia lentis syndrome; GPHYSD3, Geleophysic dysplasia 3; LDS, Loeys-Dietz syndrome; MASS, Mitral valve, Aorta, Skeleton, Skin involvement; MFS, Marfan syndrome; MSPKA, Microspherophakia; NPS, Neonatal Progeroid syndrome; PCG, Primary Congenital Glaucoma; SGS: Shprintzen-Goldberg syndrome; WMS, Weill-Marchesani syndrome; N/A, not applicable.