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In addition to cytosolic protein synthesis, mitochondria also utilize another translation system that is tailored for mRNAs encoded in the mitochondrial genome. The importance of mitochondrial protein synthesis has been exemplified by the diverse diseases associated with in organello translation deficiencies. Various methods have been developed to monitor mitochondrial translation, such as the classic method of labeling newly synthesized proteins with radioisotopes and the more recent ribosome profiling. However, since these methods always assess the average cell population, measuring the mitochondrial translation capacity in individual cells has been challenging. To overcome this issue, we recently developed mito-fluorescent noncanonical amino acid tagging (FUNCAT) fluorescence-activated cell sorting (FACS), which labels nascent peptides generated by mitochondrial ribosomes with a methionine analog, L-homopropargylglycine (HPG), conjugates the peptides with fluorophores by an in situ click reaction, and detects the signal in individual cells by FACS equipment. With this methodology, the hidden heterogeneity of mitochondrial translation in cell populations can be addressed.
Pubmed ID: 36816992 RIS Download
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When the BRCA1 gene was cloned, a Steering Committee was initiated to help coordinate the formation of a Breast Cancer Information Core (BIC) that could act as such a central repository. NHGRI has chosen as the most accessible format for the BIC this World Wide Web site. The recent identification of mutations in breast cancer susceptibility genes has provided the exciting opportunity to help identify women who are at high risk to develop breast cancer. One of the serious impediments to achieving clinical benefits from this information however, is finding and assessing the significance of mutations in these new susceptibility genes. It is imperative that the detection and interpretation of these mutations is coordinated and that this information is made available to as many qualified investigators as possible. There are many sites on the web that contain general as well as scientific information relevant to breast cancer. A partial list of these can be found here. Having participated in the poorly coordinated analysis of other cancer susceptibility genes, we consider it important to create and maintain a central repository for information regarding mutations and polymorphisms. NHGRI also think it critical to make available the reagents necessary to carry out many different techniques for the detection of such mutations. Sponsors: This resource is supported by the National Human Genome Research Institute (NHGRI). Keywords: Breast, Cancer, Mutation, Clincial, Polymorphism, Gene, Scientific,
View all literature mentionsCell line C2C12 is a Spontaneously immortalized cell line with a species of origin Mus musculus (Mouse)
View all literature mentionsCell line HEK293T is a Transformed cell line with a species of origin Homo sapiens (Human)
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