细胞质分裂付出蛋白1(dedicator of cytokinesis 1,DOCK1)作为Rho GTP酶家族的关键上游分子,在细胞迁移过程中发挥关键性的作用。细胞表面受体与配体结合后,通过一系列衔接蛋白招募并活化DOCK1蛋白,进而促进细胞生长和迁移等生物学过程...细胞质分裂付出蛋白1(dedicator of cytokinesis 1,DOCK1)作为Rho GTP酶家族的关键上游分子,在细胞迁移过程中发挥关键性的作用。细胞表面受体与配体结合后,通过一系列衔接蛋白招募并活化DOCK1蛋白,进而促进细胞生长和迁移等生物学过程。活化的DOCK1通过激活Rac1调节下游的肌动蛋白组装,从而影响细胞迁移、粘附和存活。DOCK1在癌细胞迁移和侵袭中的作用越来越受到重视。DOCK1在肺癌、膀胱癌、卵巢癌、急性髓系白血病等多种肿瘤中的过度表达与其预后差相关。DOCK1在肿瘤细胞的迁移、肿瘤血管生成以及肿瘤耐药方面发挥重要作用。提示DOCK1是一个治疗癌转移的可能靶点。展开更多
In recent years,studies have shown that there is a correlation between sleep disorders and cancer,but at the present stage,the research on sleep disorders and tumor related animal models is relatively insufficient.Our...In recent years,studies have shown that there is a correlation between sleep disorders and cancer,but at the present stage,the research on sleep disorders and tumor related animal models is relatively insufficient.Our research will focus on mice bearing B16F10-luc-G5 melanoma tumor with sleep fragmentation,detecting promoting effect of sleep fragmentation(SF)on the metastasis of melanoma.At the same time,we used Ganoderma lucidum poly⁃saccharides peptide(GL-pp,80 mg·kg-1),a component of traditional Chinese medicine Ganoderma lucidum,which has long enjoyed a good reputation at home and abroad,to observe its anti-tumor metastasis effects on B16F10-luc-G5 mice with SF.Then we used whole proteomics to analyze the difference proteins expressed in lung tissue and compared between groups,includes mice bearing B16F10-luc-G5,mice bearing B16F10-luc-G5 with SF and GL-pp administered mice bearing B16F10-luc-G5 with SF.With the analysis using bioinformatics,we found several key proteins,their genes name are Adcy9,ptk2,Yap1 and Lpin2,Per1 and Tim.And several important clusters,they are,immune system,platelet aggres⁃sion,energy metabolism,cell cytoskeleton,cell adhesion and circadian rhythms.Moreover,we detected the TLR4 signal pathway and macrophage differentiation to reconfirm the results of proteomics and trying to elucidate the mechanism of SF on tumor growth and metastasis and the effects of GL-pp.展开更多
文摘细胞质分裂付出蛋白1(dedicator of cytokinesis 1,DOCK1)作为Rho GTP酶家族的关键上游分子,在细胞迁移过程中发挥关键性的作用。细胞表面受体与配体结合后,通过一系列衔接蛋白招募并活化DOCK1蛋白,进而促进细胞生长和迁移等生物学过程。活化的DOCK1通过激活Rac1调节下游的肌动蛋白组装,从而影响细胞迁移、粘附和存活。DOCK1在癌细胞迁移和侵袭中的作用越来越受到重视。DOCK1在肺癌、膀胱癌、卵巢癌、急性髓系白血病等多种肿瘤中的过度表达与其预后差相关。DOCK1在肿瘤细胞的迁移、肿瘤血管生成以及肿瘤耐药方面发挥重要作用。提示DOCK1是一个治疗癌转移的可能靶点。
文摘In recent years,studies have shown that there is a correlation between sleep disorders and cancer,but at the present stage,the research on sleep disorders and tumor related animal models is relatively insufficient.Our research will focus on mice bearing B16F10-luc-G5 melanoma tumor with sleep fragmentation,detecting promoting effect of sleep fragmentation(SF)on the metastasis of melanoma.At the same time,we used Ganoderma lucidum poly⁃saccharides peptide(GL-pp,80 mg·kg-1),a component of traditional Chinese medicine Ganoderma lucidum,which has long enjoyed a good reputation at home and abroad,to observe its anti-tumor metastasis effects on B16F10-luc-G5 mice with SF.Then we used whole proteomics to analyze the difference proteins expressed in lung tissue and compared between groups,includes mice bearing B16F10-luc-G5,mice bearing B16F10-luc-G5 with SF and GL-pp administered mice bearing B16F10-luc-G5 with SF.With the analysis using bioinformatics,we found several key proteins,their genes name are Adcy9,ptk2,Yap1 and Lpin2,Per1 and Tim.And several important clusters,they are,immune system,platelet aggres⁃sion,energy metabolism,cell cytoskeleton,cell adhesion and circadian rhythms.Moreover,we detected the TLR4 signal pathway and macrophage differentiation to reconfirm the results of proteomics and trying to elucidate the mechanism of SF on tumor growth and metastasis and the effects of GL-pp.