None Shall Pass! Genome Editing Stops Heritable Diseases in Their TracksMay 4, 2015The scientific world is still reeling from the news of the first genome editing of human embryos to treat genetic disease, as we have reported previously here on Epigenie. Unfortunately, the paper suggested that this strategy may need huge improvement or may never be applicable. However, another recently published study, from the laboratory of Juan Carlos […]
Spray Your Way Free of Cystic Fibrosis with a Gene Editing Nasal SprayMay 1, 2015With allergy season around the corner, you might be turning to nasal sprays to relieve the symptoms. But now Marie Egan’s lab at Yale University have developed a very different type of nasal spray that helps overcome a disorder much more devastating: Cystic Fibrosis. Earlier attempts to correct the F508del CFTR mutation have been undertaken using CRISPRs in […]
Catching RNA Polymerases in Action: New NETs for Higher ResolutionMay 1, 2015For a long time RNA polymerases did not get the credit they actually deserve. They have been viewed as muscle-cars at a drag race: Waiting for a start signal to race along the gene only stopping for the finish line. This view, however, has markedly changed with the development of high-throughput sequencing techniques such as […]
Cas9 Gets an Illuminating Upgrade: Light-activatable Genome EditingApril 30, 2015While dead Cas9 (dCas9) has been coupled to optogenetic systems to enable on the fly effector domain action, the not so dead Cas9 has just gotten a very different form of light induction that works with genome editing. The designer genome editing system, developed by a talented team from the University of Pittsburgh and the University of North Carolina at Chapel Hill, […]
Get in the Loop of Antisense Mediated Transcriptional RegulationApril 30, 2015Long non-coding RNA research isn’t just a load of HOTAIR; since their initial discovery long non-coding RNAs have revealed their importance in regulating the genome. One such insight is the observation that lncRNA express antisense transcripts, which are abundantly found either partially or completely overlapping with transcripts from the opposite strand. These have been shown […]
Finding Epimutations in the Genome HaystackApril 30, 2015Trying to identify DNA methylation mutations with current technologies usually requires a lot of cells, making it a lot like hunting for a needle in a haystack. Getting down to looking at single cells is becoming possible, but requires you to look at the whole genome, making the hunt for epimutations difficult. Recent work from Silvia […]
CRISPR-Cas9 Gene Editing of Human Embryos: A Look at the ScienceApril 28, 2015Unless you were on Mars or in the middle of a Netflix binge, you couldn’t have missed the paper that has been hitting the headlines all over the world this week – the first example of the genetic modification of human embryos. The study led by Junjiu Huang (Sun Yat-sen University, Guangzhou) used CRISPR-Cas9 gene […]
Boosting Transcription with a Little Help from Histone CrotonylationApril 24, 2015Every auto enthusiast knows that if you want to maximize the performance of your car, you’ve got to have the right parts in the right combination. While sometimes you may have to completely rebuild your engine, other times all you need is to upgrade to the latest system components. In a recent article published in […]
Pioneering Transcription Factors Wiggle Towards PluripotencyApril 24, 2015Canoes, camels, cars and catamarans have carried human pioneers far and wide; taking us to undiscovered lands to encounter unseen beauty, encouraged by the hope of fame, glory, and a lust for adventure. How pioneer transcription factors brave the inhospitable exterior of a compacted DNA-histone complex to induce transcription of tightly guarded genes is, however, […]
Human Preimplantation Embryos Go RetroviralApril 24, 2015Our genomes are littered with tales of our evolutionary past, including infections from retroviruses that have left their mark in the vast expanses of the human genome. While most of the endogenous retroviruses (ERVs) have lost their protein coding potential, a class of human specific ERVs (HERVs) still possess intact open reading frames. Inspired by […]