col9a1造句

• COL9A1, COL9A2, COL9A3 are genes coding for collagen type IX, that is a component of hyaline cartilage.
• The most common mutations in COL9A1 are in exons 8-10, in COL9A2 in exons 2-4, and in COL9A3 in exons 2-4.
• For Stickler there are 4 genes are known to cause this syndrome : COL2A1 ( 75 % of Stickler cases ), COL11A1 ( also Marshall syndrome ), COL11A2 ( non-ocular Stickler ) and COL9A1 ( recessive Stickler ).