Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 6, one copy inherited from each parent, form one of the pairs. Chromosome 6 spans about 171 million base pairs (the building blocks of DNA) and represents between 5.5 percent and 6 percent of the total DNA in cells.
Identifying genes on each chromosome is an active area of genetic research. Because researchers use different approaches to predict the number of genes on each chromosome, the estimated number of genes varies. Chromosome 6 likely contains between 1,100 and 1,600 genes.
Genes on chromosome 6 are among the estimated 20,000 to 25,000 total genes in the human genome.
Researchers in Japan have found that female mice produced by using genetic material from two mothers but no father live significantly longer than mice with the normal mix of maternal and paternal genes. Their findings provide the first evidence that sperm genes may have a detrimental effect on lifespan in mammals.
Researchers at Signature Genomic Laboratories, which performs diagnostic genetic testing of chromosome abnormalities in individuals with unexplained physical and developmental disabilities, including autism, recently characterized a broad spectrum of developmental and behavior problems in individuals with a DNA imbalance that has been associated with autism.
Two recent FDA approvals have prompted the National Comprehensive Cancer Network (NCCN) to update the NCCN Clinical Practice Guidelines in Oncology(TM) for Non-Hodgkin's Lymphomas to include ofatumumab (Azerra(TM), GlaxoSmithKline) and romidepsin (Istodax(R), Gloucester Pharmaceuticals) as treatment options for select patients with two types of Non-Hodgkin's Lymphomas.
A commonly inherited gene deletion can increase the likelihood of immune complications following bone marrow transplantation, an international team of researchers reports in the November 22 advance online issue of Nature Genetics.
Researchers at Signature Genomic Laboratories, which performs diagnostic genetic testing of chromosome abnormalities in individuals with unexplained physical and developmental disabilities, recently showed that microarray analysis can identify small DNA alterations in individuals with Pitt-Hopkins syndrome, a rare and poorly characterized genetic disorder.
A study by neuroscientist William C. Mobley, MD, PhD, chair of the Department of Neurosciences at the University of California, San Diego School of Medicine, and colleagues at Stanford University Medical School has demonstrated a possible new approach to slowing the inevitable progression of cognitive decline found in Down's syndrome.
Asuragen, Inc. announced today that it has entered into an exclusive agreement with Life Technologies Corporation to develop and distribute worldwide an in-vitro diagnostic test intended to aid clinicians in the monitoring and treatment of individuals afflicted with chronic myeloid leukemia (CML).
Meiosis - the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell - is a major crossroads in all organisms reproducing sexually. Yet, how the cell precisely choreographs these chromosomal interactions is a long-standing question.
In the largest, most comprehensive genetic analysis of childhood-onset inflammatory bowel disease (IBD), an international research team has identified five new gene regions, including one involved in a biological pathway that helps drive the painful inflammation of the digestive tract that characterizes the disease.
Signature Genomics, which performs diagnostic genetic testing of chromosome abnormalities in individuals with unexplained mental retardation and/or birth defects, today announced company co-founders Dr. Lisa G. Shaffer, Ph.D., and Dr. Bassem A. Bejjani, M.D. have received the 2009 Inland Northwest Catalyst Award for Innovators of the Year.
Ryogen LLC, a genomic start-up company, has been awarded a new patent titled “Isolated Genomic Polynucleotide Fragments from Chromosome 7”.
Oncologists have had their hands tied because more than half of all human cancers have mutations that disable a protein called p53. As a critical anti-cancer watchdog, p53 masterminds several cancer-fighting operations within cells. When cells lose p53, tumors grow aggressively and often cannot be treated.
China Medical Technologies, Inc., a leading China-based medical device company that develops, manufactures and markets advanced in-vitro diagnostic products, today announced that the Company has received approval for its Leukemia BCR/ABL fusion gene detection FISH Probe (the "Leukemia BCR/ABL FISH Probe") from the State Food and Drug Administration of China (the "SFDA").
Investigators discover cellular mechanisms that may impact the decline of both innate and adaptive immune functions that increase the susceptibility to various infectious agents, cancer and diseases in the elderly say experts at the annual meeting of the American College of Allergy, Asthma and Immunology (ACAAI) in Miami Beach, Fla.
A compound already used to treat pneumonia could become a new therapy for an inherited muscular wasting disease, according to researchers at the University of Oregon and the University of Rochester School of Medicine and Dentistry in New York.
The Autism Consortium, an innovative collaboration of researchers, clinicians, funders and families dedicated to catalyzing research and enhancing clinical care for autism spectrum disorders (ASDs), held its fourth annual symposium on October 28th, 2009, at Harvard Medical School in Boston.
NIH-supported scientists at Seaside Therapeutics in Cambridge, Mass., are beginning a clinical trial of a potential medication designed to correct a central neurochemical defect underlying Fragile X syndrome, the most common inherited cause of intellectual disability. There has to date been no medication that could alter the disorder's neurologic abnormalities. The study will evaluate safety, tolerability, and optimal dosage in healthy volunteers.
Researchers at the University of Michigan Comprehensive Cancer Center have discovered what leads to two genes fusing together, a phenomenon that has been shown to cause prostate cancer to develop.
Since the completion of the human genome sequence, a question has baffled researchers studying gene control: How is it that humans, being far more complex than the lowly yeast, do not proportionally contain in our genome significantly more gene-control proteins?
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.
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