Chromosome Current Events | Chromosome News | 8
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Making mice with enhanced color vision
Researchers at the Johns Hopkins School of Medicine and their colleagues have found that mice simply expressing a human light receptor in addition to their own can acquire new color vision, a sign that the brain can adapt far more rapidly to new sensory information than anticipated. view more (2007-03-23)
CSHL-led team discovers rare mutation dramatically increasing schizophrenia risk
An international team of researchers led by geneticist Jonathan Sebat, Ph.D., of Cold Spring Harbor Laboratory (CSHL), has identified a mutation on human chromosome 16 that substantially increases risk for schizophrenia. view more (2009-10-26)
Building disease-beating wheat
Disease resistance genes from three different grass species have been combined in the world's first 'trigenomic' chromosome, which can now be used to breed disease resistant wheat varieties. view more (2007-12-13)
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)
Double trouble: Cells with duplicate genomes can trigger tumors
Abnormal cell division that yields cells with an extra set of chromosomes can initiate the development of tumors in mice, researchers at Dana-Farber Cancer Institute have shown, validating a controversial theory about cancer causation put forth by a scientific visionary nearly 100 years ago. view more (2005-10-13)
DNA repair mechanisms are concentrated in the active parts of the genome
Less than 10% of the human genome contains coded information in the form of genes. The 30,000-40,000 genes in the genome are found grouped in discrete regions of the chromosomes. Chemical agents and radiation habitually cause a large variety of injuries to the DNA which interferes in many cell processes, like transcription and replication, and... view more... (2002-10-01)
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)
Speeding the search for elusive chromosomal errors
A pediatric research team has used commercially available gene chips to scrutinize all of a patient's chromosomes to identify small defects that cause genetic diseases. view more (2006-06-13)
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)
Gene increases risk of tuberculosis
A study in the December 19 issue of The Journal of Experimental Medicine identifies a small genetic change that increases the odds of developing active tuberculosis (TB). view more (2005-12-12)
Homing in on blood pressure genes may lead to targeted therapy
For the first time, researchers have mapped a genetic location that explains why certain blood pressure-lowering drugs aren't effective for some people, according to researchers at the 2005 American Heart Association High Blood Pressure Research meeting. view more (2005-09-26)
When cells go bad
When a cell's chromosomes lose their ends, the cell usually kills itself to stem the genetic damage. But University of Utah biologists discovered how those cells can evade suicide and start down the path to cancer. view more (2008-10-01)
Variations in 5 genes raise risk for most common brain tumors
Common genetic variations spread across five genes raise a person's risk of developing the most frequent type of brain tumor, an international research team reports online in Nature Genetics. view more (2009-07-06)
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)
Researchers identify gene associated with severe kidney failure in diabetes
A research team at Wake Forest University Baptist Medical Center and the University of Heidelberg has proven that a gene protects some people with diabetes from developing severe kidney failure or "end-stage renal disease." view more (2007-01-10)
Researchers find cause of frontotemporal dementia
Frontotemporal Dementia (FTD) is the second major form of dementia. view more (2006-07-17)
Microarray analysis improves prenatal diagnosis
A "chip" or array that can quickly detect disorders such as Down syndrome or other diseases associated with chromosomal abnormalities proved an effective tool in prenatal diagnosis in a series of 300 cases at Baylor College of Medicine, said researchers in a report that appears in the current issue of the journal Prenatal Diagnosis. view more (2008-11-18)
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)
Fragile X, Down syndromes linked to faulty brain communication
The two most prevalent forms of genetic mental retardation, Fragile X and Down syndromes, may share a common cause, according to researchers at Stanford University School of Medicine. view more (2007-04-11)
Researchers track down the genes that could put the brakes on breast cancer.
Normally, old or damaged cells are told to stop dividing and 'self-destruct' to prevent any mutations being duplicated and growing into tumours. But cancer cells usually ignore these messages and become 'immortal' allowing them to continue multiplying indefinitely and out of control. Scientists already know that an enzyme called 'telomerase' is... view more... (1999-02-22)
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