Genome Sequence Affects Heterochromatin SpreadingApril 17, 2009The establishment of heterochromatin is an important way for cells to repress transcription. Yet not much is known about the control of heterochromatin spreading into euchromatic domains. Therefore, researchers at Duke University used the Awesome Power of Yeast (Epi)Genetics to study how specific DNA sequences affect heterochromatin spreading. Their results are published in the April […]
The Search for Histone Classifiers in ESC and NSC ScreeningApril 10, 2009Stem cell researchers have been pretty amped since last month’s presidential decision to bulldoze funding restrictions on human embryonic stem cells. We know the Scripps Institute’s Center for Regenerative Medicine even threw a “Stem Cell Freedom Party” to celebrate. We weren’t able to attend unfortunately, but we’re sure there was some crazy behavior. After all, […]
Feel the Burn: Epigenetic Changes After Exercise Improve Stress ResponseApril 10, 2009At EpiGenie, we’ve been struggling to find the time and motivation for exercise since we misplaced those Tae Bo tapes. Sure the treadmill would work, but then we’d have to move all the clothes hanging on it. However, some recent work from researchers at the University of Bristol in the UK, caught our attention. The […]
Inside the DNA Methylation-Chromatin TangoApril 1, 2009There has been a ton of interesting data on the relationship between DNA methylation, histone modifications, and transcriptional control in recent years. We love hearing about these advances at conferences, but die-hard chromatin biologists tend to rattle off histone modification combos that sound like a football quarterback about to take a snap “H3K27-trimethyl, K9, hike…,” […]
Promoter Targeted Small RNAs Lay a Big Smack Down on Gene Expression.March 31, 2009Sometimes to get the correct result, a researcher needs to knock a gene down. Not just a little knockdown, but like a Mike Tyson knockdown! (well, at least back in the days before the whole ear-biting thing.) Some clever scientists at The Scripps Research Institute may have found a way to do just that. By […]
miR-101: RNA Guardian Of The Genome?March 9, 2009MicroRNA-101 (miR-101) is rapidly earning a place in the “Who’s Who” of tumor suppressor genes. In November, we told you how The Little RNA that Could wallops prostate cancer by repressing the histone methyltransferase EZH2. Now researchers at the University of Southern California have shown that miR-101 plays a similar role in the suppression of […]
Two Epigenetic Drugs Join Forces with Cisplatin to Knock Out CancerMarch 9, 2009Just when it seems that scientists are winning the fight against cancer, tumors hit below the belt by developing resistance to chemotherapies. But researchers at the University of Glasgow and TopoTarget Prolifix Ltd. have shown that delivering a 1-2 punch of epigenetic drugs could allow the chemotherapeutic agent cisplatin to knock out resistant tumors. Cisplatin, […]
ESC Pluripotency Players Take To RESTMarch 2, 2009The lab gloves came off in a recent Nature exchange on the putative role of the transcriptional repressor, REST, in embryonic stem cell pluripotency. In the left corner, Singh and colleagues, conducting experiments out of MD Anderson in the Lone Star State, published data in Nature back in May, 2008 indicating that REST may control […]
HistoneHits: A Must Have Compilation of Histone Mods for the Chromatin Researcher Who Has EverythingFebruary 19, 2009We often wonder what is in the top chromatin researchers iPod playlists. What gets them through those late night, seemingly countless ChIP assays. Although we hope Vanilla Ice’s “Ice Ice Baby,” or Young MC’s “Bust a Move,” are represented, we know each of us has our own Greatest Hits. Recently, a team at Johns Hopkins […]
Oh, Behave! How Chromatin Remodeling Regulates Behavioral ResponseFebruary 17, 2009Did your behavior at the lab holiday party elicit whispered comments, furtive glances, and snide snickers from co-workers the next day? Although we don’t know exactly what possessed you to dance on the boss’s coffee table wearing your DNA necktie as a headband, researchers have shown that some physiological and pathological behaviors result from epigenetic […]