Although ribosomal proteins are known for playing an essential role in ribosome assembly and protein translation,their ribosomeindependent functions have also been greatly appreciated.Over the past decade,more than a ...Although ribosomal proteins are known for playing an essential role in ribosome assembly and protein translation,their ribosomeindependent functions have also been greatly appreciated.Over the past decade,more than a dozen of ribosomal proteins have been found to activate the tumor suppressor p53 pathway in response to ribosomal stress.In addition,these ribosomal proteins are involved in various physiological and pathological processes.This review is composed to overview the current understanding of how ribosomal stress provokes the accumulation of ribosome-free ribosomal proteins,as well as the ribosome-independent functions of ribosomal proteins in tumorigenesis,immune signaling,and development.Wealso propose the potential of applying these pieces of knowledge to the development of ribosomal stress-based cancer therapeutics.展开更多
Parkinson’s disease is the second most common neurodegenerative disease in the world.Beta-arrestin-2 has been reported to be an important protein involved in D2 dopamine receptor desensitization,which is essential to...Parkinson’s disease is the second most common neurodegenerative disease in the world.Beta-arrestin-2 has been reported to be an important protein involved in D2 dopamine receptor desensitization,which is essential to Parkinson’s disease.Moreover,the potential value of pharmacological inactivation of G protein-coupled receptor kinase or arrestin in the treatment of patients with Parkinson’s disease has recently been shown.We studied the interaction between D2 dopamine receptor and beta-arrestin-2 and the pharmacological regulation of chemical compounds on such interaction using capillary zone electrophoresis.The results from screening more than 40 compounds revealed three compounds that remarkably inhibit the beta-arrestin-2/D2 dopamine receptor interaction among them.These compounds are promising therapies for Parkinson’s disease,and the method used in this study has great potential for application in large-scale drug screening and evaluation.展开更多
基金H.L.was supported by NIH-NCI grants CA095441 and CA172468the Reynolds and Ryan Families chair fund.
文摘Although ribosomal proteins are known for playing an essential role in ribosome assembly and protein translation,their ribosomeindependent functions have also been greatly appreciated.Over the past decade,more than a dozen of ribosomal proteins have been found to activate the tumor suppressor p53 pathway in response to ribosomal stress.In addition,these ribosomal proteins are involved in various physiological and pathological processes.This review is composed to overview the current understanding of how ribosomal stress provokes the accumulation of ribosome-free ribosomal proteins,as well as the ribosome-independent functions of ribosomal proteins in tumorigenesis,immune signaling,and development.Wealso propose the potential of applying these pieces of knowledge to the development of ribosomal stress-based cancer therapeutics.
基金by the National Key Basic Research Foundation of China(Grant No.2006CB910301)the National Programs for High Technology Research and Development Program(863 Program)(No.2004AA404260)+1 种基金the National Natural Science Foundation of China(Grant Nos.30970599 and 30770421)the Fundamental Research Funds for the Central Universities of China(Grant No.1104006).
文摘Parkinson’s disease is the second most common neurodegenerative disease in the world.Beta-arrestin-2 has been reported to be an important protein involved in D2 dopamine receptor desensitization,which is essential to Parkinson’s disease.Moreover,the potential value of pharmacological inactivation of G protein-coupled receptor kinase or arrestin in the treatment of patients with Parkinson’s disease has recently been shown.We studied the interaction between D2 dopamine receptor and beta-arrestin-2 and the pharmacological regulation of chemical compounds on such interaction using capillary zone electrophoresis.The results from screening more than 40 compounds revealed three compounds that remarkably inhibit the beta-arrestin-2/D2 dopamine receptor interaction among them.These compounds are promising therapies for Parkinson’s disease,and the method used in this study has great potential for application in large-scale drug screening and evaluation.
