Rudolf Jaenisch

Journal club: Jaenisch lab paper on epigenetic CRISPR-Cas9 rescue of Fragile X in a dish

Liu-et-al.-Figure-6C-Fragile-X-CRISPR-Cell-e1519673510685

There’s much more to CRISPR-Cas9 than just gene editing and a new paper from the lab of Rudy Jaenisch in Cell highlights that in an exciting way. It reports epigenetic reversal of a Fragile X Syndrome phenotype in induced pluripotent stem cell (IPSC) neurons. Fragile X Syndrome is a neurological disorder in boys resulting from CGG repeat …

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Public stem cell skirmish erupts between Hanna & Jaenisch

Jaenisch-Hanna

Professor Rudolf Jaenisch of MIT and his former postdoc/now assistant professor at The Weizmann Jacob Hanna have gotten into a very public, stem cell skirmish over conflicting papers. Hanna raised concerns over a Jaenisch lab paper and things have escalated from there. This mess is playing out before our eyes on PubMed (there was a comment from Hanna …

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New Nature papers debunk STAP cells

STAP-refutation

Today marks nearing the completion of a full circle for one of science’s biggest controversies: the STAP cell fiasco. Today STAP cells are completely refuted with the publication of two new papers in Nature and we know much more–with some notable gaps still–about what went wrong. In January of last year, an international team of …

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Michael Cea ISSCR chat with Jeanne Loring on stem cell field

Lewy_Body_alphaSynuclein

By Michael Cea Jeanne Loring of the Scripps Research Institute in La Jolla, California kindly sat down with me at the ISSCR annual meeting for a broad discussion of her history, views on the field and developments in the science. I found Jeanne a refreshing character, as I did a number of others I was fortunate to …

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4 areas of debate on 1st human embryo genetic modification paper

human-genetic-modification

Last week was a big one for the life sciences in that we saw the milestone of the first ever published paper reporting human embryo genetic modification (see here and here). It was one of those situations where we knew it was coming, but it was still a jolt. Not surprisingly this event sparked intense discussion …

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