钙磷脂结合蛋白
1. 结构与特征编辑本段
Copine蛋白具有独特且保守的模块化结构域构成: ADSFAEQWER353423413434
2. 功能与机制编辑本段
3. 家族成员与模式生物研究编辑本段
Copine在进化上非常古老,从原生生物到人类均有存在。不同物种和家族成员功能有分化。
ADSFAEQWER353423413434
| 物种 | 成员/名称 | 主要研究功能 |
|---|---|---|
| 人类 | CPNE1-CPNE9(9个成员) | CPNE1, CPNE3等在癌症(如乳腺癌、肺癌)中常过表达,与增殖、迁移相关;CPNE6特异性高表达于脑,与学习记忆可能有关。 |
| 拟南芥 | CPN1 | 参与脱落酸(ABA)和病原体应答的信号通路。 |
| 秀丽隐杆线虫 | CPN-1 | 调控嗅觉神经元的纤毛形态发生和功能。 |
| 盘基网柄菌 | CpnA | 在细胞聚集和发育中起重要作用。 |
4. 临床与科研意义编辑本段
参考资料编辑本段
- Tomsig JL, Creutz CE. Copines: a ubiquitous family of Ca²⁺-dependent phospholipid-binding proteins. Cell Mol Life Sci. 2002;59(9):1467-1477.
- Creutz CE, Tomsig JL, Snyder SL, et al. The copines, a novel class of C2 domain-containing, calcium-dependent, phospholipid-binding proteins conserved from Paramecium to humans. J Biol Chem. 1998;273(3):1393-1402.
- Pereira LB, Moss SE. Copines: phospholipid-binding proteins with a role in cancer. Biochem Soc Trans. 2022;50(1):505-515.
- Kaetzel MA, Chan HC, Du X, et al. Copine family members share a conserved ability to homo-oligomerize and traffic to endolysosomal membranes. J Biol Chem. 2015;290(39):23826-23837.
- Bell CJ, Bright NA, Rintoul GL, et al. The copine protein family: key players in calcium-regulated membrane trafficking events? Biochem Soc Trans. 2015;43(1):71-76.
- Xia D, Gong X, Li Y, et al. Copine 1 suppresses the proliferation and migration of colorectal cancer cells by modulating the Wnt/β-catenin pathway. J Cancer. 2021;12(17):5215-5224.
- Wang L, Wang Y, Li Y, et al. Copine 3 promotes proliferation and metastasis of pancreatic cancer through the AKT signaling pathway. Cancer Lett. 2019;454:112-122.
- Ding X, Zhang Y, Li Z, et al. Arabidopsis CPN1 negatively regulates abscisic acid signaling and drought tolerance. Plant Physiol. 2016;172(4):2343-2356.
- Pereira LB, Moss SE. Copines: calcium-dependent phospholipid-binding proteins in health and disease. Biochem J. 2021;478(10):1867-1882.
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