Biology:CIDEB

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Cell death-inducing DFFA-like effector b, also known as CIDEB, is a human gene.[1][2][3]

In humans, individuals carrying rare loss of function mutations in the CIDEB gene are protected against different aetiologies of liver disease.[4] CIDEB knockout mice have been generated by homolog recombination technique. The CIDE null mice show decreased lipogenesis. The CIDEB knockout mice are resistant to high fat diet induced obesity and liver steatosis. In addition, the CIDEB null mice also have improved insulin sensitivity and enhanced hepatic fatty acid oxidation and whole body metabolism.[5] CIDEB plays a key role in determining lipid droplet size: overexpression of CIDEB in vitro results in fat accumulation by inducing larger lipid droplets, while CIDEB knock-out experiments results in accumulation of smaller lipid droplets.[6][4]

References

  1. "Entrez Gene: CIDEB cell death-inducing DFFA-like effector b". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=27141. 
  2. Ye, Jing; Zhong Li, John; Liu, Yang; Li, Xuanhe; Yang, Tianshu; Ma, Xiaodong; Li, Qing; Yao, Zemin et al. (2009). "Cideb, an ER- and Lipid Droplet-Associated Protein, Mediates VLDL Lipidation and Maturation by Interacting with Apolipoprotein B.". Cell Metabolism 9 (2): 177–190. doi:10.1016/j.cmet.2008.12.013. PMID 19187774. 
  3. Li, JZ; Lei, Y; Wang, Y; Zhang, Y; Ye, J; Xia, X; Pan, X; Li, P (May 2010). "Control of cholesterol biosynthesis, uptake and storage in hepatocytes by Cideb". Biochim Biophys Acta 1801 (5): 577–86. doi:10.1016/j.bbalip.2010.01.012. PMID 20123130. 
  4. 4.0 4.1 Verweij, Niek; Haas, Mary E.; Nielsen, Jonas B.; Sosina, Olukayode A.; Kim, Minhee; Akbari, Parsa; De, Tanima; Hindy, George et al. (2022-07-28). "Germline Mutations in CIDEB and Protection against Liver Disease". New England Journal of Medicine 387 (4): 332–344. doi:10.1056/NEJMoa2117872. ISSN 0028-4793. PMID 35939579. https://doi.org/10.1056/NEJMoa2117872. 
  5. Zhong Li, John; Ye, Jing; Xue, Bofu; Qi, Jingzong; Zhang, Jing; Zhou, Zhihong; Li, Qing; Wen, Zilong et al. (2007). "Cideb regulates diet-induced obesity, liver steatosis and insulin sensitivity by controlling lipogeneis and fatty acid oxidation". Diabetes 56 (10): 2523–2532. doi:10.2337/db07-0040. PMID 17646209. http://diabetes.diabetesjournals.org/cgi/content/short/56/10/2523. 
  6. Xu, Wenyi; Wu, Lizhen; Yu, Miao; Chen, Feng-Jung; Arshad, Muhammad; Xia, Xiayu; Ren, Hao; Yu, Jinhai et al. (2016-02-26). "Differential Roles of Cell Death-inducing DNA Fragmentation Factor-α-like Effector (CIDE) Proteins in Promoting Lipid Droplet Fusion and Growth in Subpopulations of Hepatocytes". The Journal of Biological Chemistry 291 (9): 4282–4293. doi:10.1074/jbc.M115.701094. ISSN 1083-351X. PMID 26733203. 

Further reading