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Tag: "splicing" at biology news

RNA splicing occurs in nerve-cell dendrites

Researchers at the University of Pennsylvania School of Medicine have discovered that nerve-cell dendrites have the capacity to splice messenger RNA (pre-mRNA), a process once believed to only take place in the nucleus of cells. . By uncovering this capability in dendrites, the investigators hope to relate this capacity to memory and learning, as well as cognitive dysfunction. Senior author James...

Protein splicing upsets the DNA colinearity paradigm

Understanding medical research problems often relies on the direct, linear relationship between the sequence of a protein and the DNA encoding that protein. In fact, colinearity of DNA and protein sequences is thought to be a fundamental feature of the universal genetic code. However, a paper published today in Science by a team from the Brussels Branch of the global Ludwig Institute for Cancer R...

RNA map provides first comprehensive understanding of alternative splicing

It's biology's version of the director's cut. In much the same way that numerous films could be stitched together from a single reel of raw footage, a molecular process called alternative splicing enables a single gene to produce multiple proteins. Now a new RNA map, created by a team of researchers at Rockefeller University and the Howard Hughes Medical Institute and announced in the journal Nat...

RNA splicing factor implicated in ovarian tumor cell growth

An RNA-binding protein that is overproduced in ovarian cancer may present a new target for diagnosis or treatment of ovarian and other cancers, according to researchers at the University of Illinois at Chicago. . .. "In a previous study, we observed that human ovarian tumors overexpressed polypyrimidine tract-binding protein, or PTB, and another splicing factor compared to normal matching ovarian...
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