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Professor Cuifen Huang: a great molecular geneticist and the founder of genetic engineering in China
Professor Cuifen Huang(黄翠芬, 1921-2011) is a famousmolecular geneticist and one of the founders of Genetic Engineering in China (Fig.1).She devoted all her life ... 相似文献
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Hanbo Li Xiaoyu Wei Li Zhou Weiqi Zhang Chen Wang Yang Guo Denghui Li Jjianyang Chen Tianbin Liu Yingying Zhang Shuai Ma Congyan Wang Fujian Tan Jiangshan Xu Yang Liu Yue Yuan Liang Chen Qiaoran Wang Jing Qu Yue Shen Shanshan Liu Guangyi Fan Longqi Liu Xin Liu Yong Hou Guang-Hui Liu Ying Gu Xun Xu 《蛋白质与细胞》2021,(1):57-66
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Ying He Zhonghao Yu Dongya Ge Rui Wang-Sattler Hans-Jürgen Thiesen Lu Xie Yixue Li 《蛋白质与细胞》2012,3(9):701
Studies on cell signaling pay more attention to spatial dynamics and how such diverse organization can relate to high order of cellular capabilities. To overview the specificity of cell signaling, we integrated human receptome data with proteome spatial expression profiles to systematically investigate the specificity of receptors and receptor-triggered transduction networks across 62 normal cell types and 14 cancer types. Six percent receptors showed cell-type-specific expression, and 4% signaling networks presented enriched cell-specific proteins induced by the receptors. We introduced a concept of "response context" to annotate the cell-type dependent signaling networks. We found that most cells respond similarly to the same stimulus, as the "response contexts" presented high functional similarity. Despite this, the subtle spatial diversity can be observed from the difference in network architectures. The architecture of the signaling networks in nerve cells displayed less completeness than that in glandular cells, which indicated cellular-context dependent signaling patterns are elaborately spatially organized. Likewise, in cancer cells most signaling networks were generally dysfunctional and less complete than that in normal cells. However, glioma emerged hyper-activated transduction mechanism in malignant state. Receptor ATP6AP2 and TNFRSF21 induced rennin-angiotensin and apoptosis signaling were found likely to explain the glioma-specific mechanism. This work represents an effort to decipher context-specific signaling network from spatial dimension. Our results indicated that although a majority of cells engage general signaling response with subtle differences, the spatial dynamics of cell signaling can not only deepen our insights into different signaling mechanisms, but also help understand cell signaling in disease. 相似文献
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Xiaojuan Liang Cong Tao Jianfei Pan Lilan Zhang Lulu Liu Ying Zhao Yiping Fan Chunwei Cao Jiali Liu Jin Zhang Sin Man Lam Guanghou Shui Wanzhu Jin Wei Li Jianguo Zhao Kui Li Yanfang Wang 《蛋白质与细胞》2021,12(6):475-492
RNF20,an E3 ligase critical for monoubiquitination of histone H2B at lysine 120 (H2Bub),has been implicated in the regulation of various cellar processes;however,its physiological roles in adipocytes remain poorly characterized.Here,we report that the adipocyte-speci-fic knockout of Rnf20 (ASKO) in mice led to progressive fat loss,organomegaly and hyperinsulinemia.Despite signs of hyperinsulinemia,normal insulin sensitivity and improved glucose tolerance were observed in the young and aged CD-fed ASKO mice.In addition,high-fat diet-fed ASKO mice developed severe liver steatosis.More-over,we observed that the ASKO mice were extremely sensitive to a cold environment due to decreased expression levels of brown adipose tissue (BAT) selec-tive genes,including uncoupling protein 1 (Ucp1),and impaired mitochondrial functions.Significantly decreased levels of peroxisome proliferator-activated receptor gamma (Ppary) were observed in the gonadal white adipose tissues (gWAT) from the ASKO mice,suggesting that Rnf20 regulates adipogenesis,at least in part,through Ppary.Rosiglitazone-treated ASKO mice exhibited increased fat mass compared to that of the non-treated ASKO mice.Collectively,our results illus-trate the critical role of RNF20 in control of white and brown adipose tissue development and physiological function. 相似文献