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What Makes Us Age? Ticking of Cellular Clock Promotes Seismic Changes in Chromatin Landscape Associated With Aging
October 3, 2010 — Like cats, human cells have a finite number of lives: once they divide a certain number of times (thankfully, more than nine) they change shape, slow their pace, and eventually stop dividing -- a ... > full story -
Epigenomics Discovery Yields New Information About Fat Cells
September 30, 2010 — By creating a "map" of histone modifications in fat cells, investigators have discovered two new factors that regulate fat formation, a key step on the road to better understanding obesity, diabetes ... > full story -
Role of DNA Methylation in Multiple Myeloma Blood Cancer Identified
September 30, 2010 — DNA methylation -- a modification of DNA linked to gene regulation -- is altered with increasing severity in a blood cancer called multiple myeloma, according to a new ... > full story -
Early Life Experience Modifies Gene Vital to Normal Brain Function
September 28, 2010 — Early life stress, such as an extreme lack of parental affection, has lasting effects on a gene important to normal brain processes and also tied to mental disorders, according to a new animal ... > full story -
At the Crossroads of Chromosomes: Study Reveals Structure of Cell Division’s Key Molecule
September 17, 2010 — On average, one hundred billion cells in the human body divide over the course of a day. Most of the time the body gets it right but sometimes, problems in cell replication can lead to abnormalities ... > full story -
Genes Related to Body Mass Discovered
September 15, 2010 — Scientists who specialize in unconventional hunts for genetic information outside nuclear DNA sequences have bagged a weighty quarry -- 13 genes linked to human body mass. The experiments screened ... > full story -
Induced Pluripotent Stem Cell Retain an Inactivated X Chromosome, Study Finds
September 3, 2010 — Female induced pluripotent stem cells, reprogrammed from human skin cells into cells that have the embryonic-like potential to become any cell in the body, retain an inactive X chromosome, stem cell ... > full story -
Epigenetics Research
Biology
Insects (including Butterflies)
New Species
Invasive Species
Evolutionary Biology
Genome Comparison of Ants Establishes New Model Species for Molecular Research
August 26, 2010 — By comparing two species of ants, researchers have established an important new avenue of research for epigenetics -- the study of how the expression or suppression of particular genes affects an ... > full story -
Insects (including Butterflies)
Invasive Species
Evolutionary Biology
Epigenetics Research
Biology
Genetics
Genomes of Two Ant Species Sequenced: Clues to Their Extraordinary Social Behavior
August 26, 2010 — Scientists have finally sequenced the entire genome of an ant, actually two very different species of ant, and the insights gleaned from their genetic blueprints are already yielding tantalizing ... > full story -
Early Life Influences Risk for Psychiatric Disorders
August 18, 2010 — For more than a century, clinical investigators have focused on early life as a source of adult psychopathology. Although the hypothesized mechanisms have evolved, a central notion remains: early ... > full story
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