Csdc2, a cold shock domain-containing RNA-binding protein, plays crucial roles in multiple biological processes. It is involved in regulating cell proliferation and differentiation, and is associated with pathways related to tissue development and homeostasis. Its study through genetic models can provide insights into normal biological functions and disease mechanisms [2].

In cashmere goats, knockdown of Csdc2 inhibits the proliferation of dermal papilla cells, suggesting its role in regulating secondary hair follicle growth. ChIP-Seq and RNA-Seq analyses revealed 25 candidate target genes, with Csdc2 positively regulating Robo2, which expands the understanding of hair follicle transcriptional regulatory networks [1]. In endometrial decidualization, uterine suppression of CSDC2 through siRNA led to abnormal decidualization in early pregnancy, indicating it could be a regulator during this process [2]. Also, CSDC2 was identified among genes associated with bitter non-alcoholic beverage consumption, but the functional significance remains to be determined [3]. In glioma cell lines, CSDC2 expression was negatively correlated with lncRNA H19, suggesting its potential role in glioma development [4]. Moreover, CSDC2 was screened as one of the key genes for heart failure, primary hepatocellular carcinoma, sleep apnea, and was among 13 RBPs to predict prostate cancer biochemical recurrence, and was also a hub gene potentially related to early-onset colorectal cancer [5,6,7,8,9].

In summary, Csdc2 is a multifunctional RNA-binding protein involved in various biological processes such as tissue development and disease-related pathways. Studies, including those using loss-of-function models like siRNA-mediated suppression, have provided valuable insights into its roles in hair follicle growth, endometrial decidualization, and multiple disease conditions, highlighting its importance in understanding normal biology and disease mechanisms.

References:

1. Zhu, Heqing, Li, Yingying, Xu, He, Han, Jilong, Yang, Min. 2024. Role of Csdc2 in Regulating Secondary Hair Follicle Growth in Cashmere Goats. In International journal of molecular sciences, 25, . doi:10.3390/ijms25158349. https://pubmed.ncbi.nlm.nih.gov/39125915/

2. Vallejo, Griselda, Mestre-Citrinovitz, Ana Cecilia, Winterhager, Elke, Saragüeta, Patricia Esther. 2018. CSDC2, a cold shock domain RNA-binding protein in decidualization. In Journal of cellular physiology, 234, 740-748. doi:10.1002/jcp.26885. https://pubmed.ncbi.nlm.nih.gov/30078185/

3. Zhong, Victor W, Kuang, Alan, Danning, Rebecca D, Chasman, Daniel I, Cornelis, Marilyn C. . A genome-wide association study of bitter and sweet beverage consumption. In Human molecular genetics, 28, 2449-2457. doi:10.1093/hmg/ddz061. https://pubmed.ncbi.nlm.nih.gov/31046077/

4. Chae, Yeonsoo, Roh, Jungwook, Im, Mijung, Youn, Buhyun, Kim, Wanyeon. . Gene Expression Profiling Regulated by lncRNA H19 Using Bioinformatic Analyses in Glioma Cell Lines. In Cancer genomics & proteomics, 21, 608-621. doi:10.21873/cgp.20477. https://pubmed.ncbi.nlm.nih.gov/39467632/

5. Tian, Yuqing, Yang, Jiefu, Lan, Ming, Zou, Tong. 2020. Construction and analysis of a joint diagnosis model of random forest and artificial neural network for heart failure. In Aging, 12, 26221-26235. doi:10.18632/aging.202405. https://pubmed.ncbi.nlm.nih.gov/33401250/

6. Rao, Guihua, Pan, Huifen, Sheng, Xia, Liu, Jin. 2022. Prognostic Value of Stem Cell Index-Related Characteristics in Primary Hepatocellular Carcinoma. In Contrast media & molecular imaging, 2022, 2672033. doi:10.1155/2022/2672033. https://pubmed.ncbi.nlm.nih.gov/35800238/

7. Gui, Jianxiong, Meng, Linxue, Huang, Dishu, Cheng, Li, Jiang, Li. 2023. Identification of novel proteins for sleep apnea by integrating genome-wide association data and human brain proteomes. In Sleep medicine, 114, 92-99. doi:10.1016/j.sleep.2023.12.026. https://pubmed.ncbi.nlm.nih.gov/38160582/

8. Xing, Qianwei, Liu, Shouyong, Luan, Jiaochen, Wang, Yi, Ma, Limin. 2021. A novel 13 RNA binding proteins (RBPs) signature could predict prostate cancer biochemical recurrence. In Pathology, research and practice, 225, 153587. doi:10.1016/j.prp.2021.153587. https://pubmed.ncbi.nlm.nih.gov/34419719/

9. Mo, Xiaoqiong, Su, Zexin, Yang, Bingsheng, Lei, Shan, Qiao, Hui. 2019. Identification of key genes involved in the development and progression of early-onset colorectal cancer by co-expression network analysis. In Oncology letters, 19, 177-186. doi:10.3892/ol.2019.11073. https://pubmed.ncbi.nlm.nih.gov/31897128/