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Clinical features and variant spectrum of FGFR3-related disorders
Shi-Li GU, Ling-Wen YING, Guo-Ying CHANG, Xin LI, Juan LI, Yu DING, Ru-En YAO, Ting-Ting YU, Xiu-Min WANG
Chinese Journal of Contemporary Pediatrics, 2025, 27(10): 1259-1265.   DOI: 10.7499/j.issn.1008-8830.2504002

图1 本队列FGFR3基因变异位点模式图 [ACH]软骨发育不全;[HCH]软骨发育不良;[TD]致死性侏儒症;[SADDAN]严重的软骨发育不全伴发育迟缓和黑棘皮病;[Sydrome-related skeletal dysplasia]综合征型骨骼发育异常;[Undiagosed]临床未确诊;[Ig]免疫球蛋白样结构域;[Acid box]酸性盒;[Heparin-binding domain]肝素结合域;[TM]跨膜结构域;[TK]酪氨酸激酶结构域。图中自上而下依次展示了FGFR3蛋白结构图、FGFR3基因外显子结构图和本研究患儿基因变异位点分布。柱状图显示各变异位点在队列中的出现频次。变异主要集中于第7号、9号和12号外显子处,分别对应FGFR3蛋白的IgⅢ结构域前半段、跨膜结构域和酪氨酸激酶结构域。相关临床表型以ACH、HCH和TD为主。
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