Chromosomes Current Events | Chromosomes News | 6
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Landmark study sheds new light on human chromosomal birth defects
Using yeast genetics and a novel scheme to selectively remove a single protein from the cell division process called meiosis, a cell biologist at The Florida State University found that when a key molecular player known as Pds5 goes missing, chromosomes fail to segregate and pair up properly, and birth defects such as Down syndrome can result. view more (2009-09-17)
Mayo researchers discover HIV dependence on a human protein
Mayo Clinic virologists have discovered that a specific human protein is essential for HIV to integrate into the human genome. view more (2006-09-08)
Environmental triggers may promote human genetic variation
In this month's issue of the leading scientific journal Genome Research, scientists from Kyushu University report how environmentally damaged DNA may contribute to human genetic diversity. view more (2006-05-01)
Researchers identify protein-telomere interactions that could be key in treating cancer
A team of researchers from The Wistar Institute have shown that a large non-coding RNA in mammals and yeast plays a central role in helping maintain telomeres, the tips of chromosomes that contain important genetic information and help regulate cell division. view more (2009-09-01)
Virus weaves itself into the DNA transferred from parents to babies
Parents expect to pass on their eye or hair color, their knobby knees or their big feet to their children through their genes. But they don't expect to pass on viruses through those same genes. view more (2008-09-03)
Penn Researchers Identify First Sex Chromosome Gene Involved in Meiosis and Male Infertility
A team of scientists led by University of Pennsylvania veterinary researchers have identified a gene, TEX11, located on the X chromosome, which when disrupted in mice renders the males sterile and reduces female fecundity. This is the first study of the genetic causes of infertility that links a particular sex chromosome meiosis-specific gene to... view more... (2008-03-17)
A candidate gene for familial idiopathic pulmonary fibrosis identified
ELMOD2-gene is a prime candidate gene for familial idiopathic pulmonary fibrosis, suggests the recent study published by the researchers at the University and University Hospital of Helsinki, Finland. view more (2006-06-29)
Chromosomal abnormalities in sperm higher after vasectomy reversal
Men who have had a vasectomy reversed have a very much greater rate of chromosomal abnormalities in their sperm than do normal fertile men. view more (2006-06-21)
Vaccine May Complement Conventional Treatment For Chronic Leukaemia
A vaccine that boosts the immune response could improve the effect of conventional treatment for patients with chronic myeloid leukaemia (CML), suggest early results of a trial published in this week's issue of The Lancet. view more (2005-02-16)
War between the sexes influences evolution in some species, say scientists
Competition and conflict between males and females start inside the egg in some species, say scientists. view more (2006-04-07)
Melanoma risk only partially associated vith exposure to UVB from sunlight
Researchers at The University of Texas M. D. Anderson Cancer Center have found that the risk of developing melanoma, the most deadly form of skin cancer, is only partially associated with exposure to ultraviolet B (UVB) radiation, the rays in sunlight that increase in summer and cause sunburn. view more (2005-12-21)
Cells, dyes and videotape: Online scientific methods journal incorporates multimedia
Observing the microscopic mysteries of embryos, cells, and chromosomes is feasible with advanced live imaging technologies. view more (2006-11-06)
Salivary diagnostics, the 'magic mirror' to your health ... at your personal computer
Accuracy, convenience, and non-invasiveness are the most critical characteristics for any diagnostic tool. A new concept, Salivaomics Knowledge Base (SKB), an in silico (i.e., performed on computer or via computer simulation) saliva diagnostic atlas, is launching today during the 37th Annual Meeting of the American Association for Dental Research... view more... (2008-04-07)
Scientists discover new genetic subtypes of common blood cancer
Scientists at Dana-Farber Cancer Institute and collaborators have identified four distinct genetic subtypes of multiple myeloma, a deadly blood cancer, that have different prognoses and might be treated most effectively with drugs specifically targeted to those subtypes. view more (2006-04-11)
New gene discovered for new form of intellectual disability
The Centre for Addiction and Mental Health (CAMH) has discovered a new form of intellectual disability involving mental retardation (MR) along with the eye defect retinitis pigmentosa (RP). view more (2008-04-24)
Molecule tracking reveals mechanism of chromosome separation in dividing cells
University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division. view more (2009-03-09)
New blood test for Down syndrome
Howard Hughes Medical Institute researchers have developed a new prenatal blood test that accurately detected Down syndrome and two other serious chromosomal defects in a small study of 18 pregnant women. view more (2008-10-07)
Immune cells from patients with rheumatoid arthritis have prematurely aged chromosomes
Telomeres, structures that cap the ends of cells' chromosomes, grow shorter with each round of cell division unless a specialized enzyme replenishes them. Maintaining telomeres is thought to be important for healthy aging and cancer prevention. view more (2009-03-05)
Mosquito genes explain response to climate change
University of Oregon researchers studying mosquitoes have produced the first chromosomal map that shows regions of chromosomes that activate - and are apparently evolving - in animals in response to climate change. view more (2007-04-24)
Human sperm created from embryonic stem cells
Human sperm have been created using embryonic stem cells for the first time in a scientific development which will lead researchers to a better understanding of the causes of infertility. view more (2009-07-08)
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