betway必威登陆网址 (betway.com )学报››2023,Vol. 44››Issue (8): 622-626.DOI:10.3969/j.issn.2097-0005.2023.08.014
收稿日期:
2023-01-15出版日期:
2023-08-25发布日期:
2023-09-14通讯作者:
王震英作者简介:
凌霞,硕士研究生,研究方向:皮肤病与性病学,E-mail:x2373553562@163.com。基金资助:
Xia LING1,2(), Zhenying WANG1(
), Li ZHANG1
Received:
2023-01-15Online:
2023-08-25Published:
2023-09-14Contact:
Zhenying WANG摘要:
Vohwinkel综合症是罕见的常染色体显性遗传性皮肤病,病情严重时可致残致畸。目前尚无有效的治疗方法。对该病的致病基因进行功能学研究,是探讨Vohwinkel综合症发病机制与治疗的关键。目前已发现2个该病的相关位点: 1定位于染色体13q11‐q12上,接近连接蛋白26基因编码区(GJB2); 2定位于染色体1q21上,接近兜甲蛋白基因编码区(LOR)。突变基因致病机制仍不十分清楚,本文对该病发病机制中的各种分子变化和突变基因及其功能研究进行综述,旨在为该病致病基因功能学研究提供思路。
凌霞, 王震英, 张莉. Vohwinkel综合症分子遗传学研究进展[J]. betway必威登陆网址 (betway.com )学报, 2023, 44(8): 622-626.
Xia LING, Zhenying WANG, Li ZHANG. Molecular genetic pathogenesis of Vohwinkel syndrome[J]. Journal of Shandong First Medical Unversity & Shandong Academy of Medical Sciences, 2023, 44(8): 622-626.
突变体 | 突变部位 | 氨基酸变化 | 突变类型 | 分子功能学异常 | 参考文献 |
---|---|---|---|---|---|
c.196G>C | E1 | p.Asp66His | 错义突变 | 影响通道功能,钙转移减少 | Ikeda等[
|
c.175G >A | E1 | p.Gly59Ser | 错义突变 | 影响通道功能,钙转移减少 | Xie等[
|
c.193T>C | E1 | p.Tyr65His | 错义突变 | 影响通道功能,钙转移减少 | de Zwart-Storm等[
|
c.389G>T | 胞内第2结构域 | p.Gly130Val | 错义突变 | 蛋白功能改变 | Iossa等[
|
360delGAG | — | delE120 | 缺失突变 | 蛋白功能改变 | Ozturk等[
|
表1Vohwinkel综合症GJB2 5种突变体对比
突变体 | 突变部位 | 氨基酸变化 | 突变类型 | 分子功能学异常 | 参考文献 |
---|---|---|---|---|---|
c.196G>C | E1 | p.Asp66His | 错义突变 | 影响通道功能,钙转移减少 | Ikeda等[
|
c.175G >A | E1 | p.Gly59Ser | 错义突变 | 影响通道功能,钙转移减少 | Xie等[
|
c.193T>C | E1 | p.Tyr65His | 错义突变 | 影响通道功能,钙转移减少 | de Zwart-Storm等[
|
c.389G>T | 胞内第2结构域 | p.Gly130Val | 错义突变 | 蛋白功能改变 | Iossa等[
|
360delGAG | — | delE120 | 缺失突变 | 蛋白功能改变 | Ozturk等[
|
突变体 | 突变部位 | 氨基酸变化 | 突变类型 | 分子功能学异常 | 参考文献 |
---|---|---|---|---|---|
730insG | 甘氨酸环 | 序列改变 | 插入突变 | 破坏甘氨酸环,错误定位 | Matsumoto等[
|
662insT | 甘氨酸环 | 序列改变 | 插入突变 | 破坏甘氨酸环,错误定位 | Armstrong等[
|
709insC | 肽链的C末端 | 序列改变 | 插入突变 | 破坏蛋白质间的交联 | Ishida Yamamoto等[
|
c.796A>G | 肽链的C末端 | p.Ser266Gly | 错义突变 | 影响蛋白质的空间构象和功能 | 刘玉梅等[
|
表2Vohwinkel综合症LOR 4种突变体对比
突变体 | 突变部位 | 氨基酸变化 | 突变类型 | 分子功能学异常 | 参考文献 |
---|---|---|---|---|---|
730insG | 甘氨酸环 | 序列改变 | 插入突变 | 破坏甘氨酸环,错误定位 | Matsumoto等[
|
662insT | 甘氨酸环 | 序列改变 | 插入突变 | 破坏甘氨酸环,错误定位 | Armstrong等[
|
709insC | 肽链的C末端 | 序列改变 | 插入突变 | 破坏蛋白质间的交联 | Ishida Yamamoto等[
|
c.796A>G | 肽链的C末端 | p.Ser266Gly | 错义突变 | 影响蛋白质的空间构象和功能 | 刘玉梅等[
|
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