matrilin 3
Last updated 18 Aug 2020
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The MATN3 gene provides the instructions for making a protein called matrilin-3. This protein is found in the extracellular matrix, which is an intricate lattice of proteins and other molecules that forms in the spaces between cells. Specifically, matrilin-3 is located in the extracellular matrix surrounding the cells that make up ligaments and tendons, and near cartilage-forming cells (chondrocytes). Chondrocytes play an important role in bone formation (osteogenesis). In the bones of the spine, hips, and limbs, the process of osteogenesis starts with the formation of cartilage, which is then converted into bone.
Normal function
The MATN3 gene provides the instructions for making a protein called matrilin-3. This protein is found in the extracellular matrix, which is an intricate lattice of proteins and other molecules that forms in the spaces between cells. Specifically, matrilin-3 is located in the extracellular matrix surrounding the cells that make up ligaments and tendons, and near cartilage-forming cells (chondrocytes). Chondrocytes play an important role in bone formation (osteogenesis). In the bones of the spine, hips, and limbs, the process of osteogenesis starts with the formation of cartilage, which is then converted into bone.
The normal function of the MATN3 gene is not fully understood; however, research suggests that matrilin-3 may play a role in the organisation of collagen and other cartilage proteins. Collagens are proteins that provide strength and support to many body tissues, including cartilage. Matrilin-3 has been shown to interact with the COMP protein, type II collagen, and type IX collagen, which are all important in cartilage and bone formation.
Conditions referring to this gene or chromosome
Other names
EDM5
MATN3_HUMAN
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Further reading and references
- matrilin 3; MedlinePlus, National Library of Medicine.
- Briggs MD, Chapman KL. Pseudoachondroplasia and multiple epiphyseal dysplasia: mutation review, molecular interactions, and genotype to phenotype correlations. Hum Mutat. 2002 May;19(5):465-78. doi: 10.1002/humu.10066.
- Briggs MD, Wright MJ, Mortier GR. Multiple Epiphyseal Dysplasia, Autosomal Dominant. 2003 Jan 8 [updated 2024 Jul 4]. In: Adam MP, Bick S, Mirzaa GM, Wallace SE, Amemiya A, editors. GeneReviews(R) [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2026. Available from http://www.ncbi.nlm.nih.gov/books/NBK1123/
- Fresquet M, Jackson GC, Loughlin J, Briggs MD. Novel mutations in exon 2 of MATN3 affect residues within the alpha-helices of the A-domain and can result in the intracellular retention of mutant matrilin-3. Hum Mutat. 2008 Feb;29(2):330. doi: 10.1002/humu.9518.
- Fresquet M, Jowitt TA, Ylostalo J, Coffey P, Meadows RS, Ala-Kokko L, Thornton DJ, Briggs MD. Structural and functional characterization of recombinant matrilin-3 A-domain and implications for human genetic bone diseases. J Biol Chem. 2007 Nov 30;282(48):34634-43. doi: 10.1074/jbc.M705301200. Epub 2007 Sep 18.
- Nicolae C, Ko YP, Miosge N, Niehoff A, Studer D, Enggist L, Hunziker EB, Paulsson M, Wagener R, Aszodi A. Abnormal collagen fibrils in cartilage of matrilin-1/matrilin-3-deficient mice. J Biol Chem. 2007 Jul 27;282(30):22163-75. doi: 10.1074/jbc.M610994200. Epub 2007 May 14.
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