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深圳先进院
中国科学院
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Functional non-coding genome in synthetic genomes
Most efforts to understand genes in health and disease over the last decades have focused on protein-coding transcripts, which comprise just 2% of the human genome. Given that the number of protein-coding genes in lower and higher organisms are comparable, the huge differences in genome sizes are due to non-coding parts. As a result, the non-coding genome is very likely to contribute to the complex activities and diseases present in higher organisms. We are aiming to better identify and characte...
lncRNA mechanisms in diseases
Recent discoveries reveal that the vast majority of the genome is transcribed to generate tens of thousands of long noncoding RNAs (lncRNAs). However, deciphering the molecular function of lncRNAs is challenging. Unlike mRNAs, there is currently no simple way to predict lncRNA activity based on sequence. Initial studies of individual lncRNAs have shown important roles in epigenetic regulation and powerful biological functions, but almost nothing is known about lncRNA function in neural specifica...
non-coding elements & stem cell fate
Our previous discoveries demonstrated a phenomenon where mutant adult male stem cells switch to female stem cells and cause tumor phenotypes. It is the first evidence that adult stem cells are capable of changing sexual identity. As many disease-associated risk loci reside in non-coding genomic regions, we found that the stem cell conversion phenotype is also caused by non-coding mutations affecting gene expression of a transcription factor. This is of enormous interest since similar defects may...
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