Chromosomal Abnormalities
Scientists find that chromosomal abnormalities are associated with aging and cancer
(Medical Xpress) -- Two new studies have found that large structural abnormalities in chromosomes, some of which have been associated with increased risk of cancer, can be detected in a small fraction of people without a ...
Genetics
May 08, 2012 |
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Researchers discover new genes contributing to autism, links to psychiatric disorders
A new approach to investigating hard-to-find chromosomal abnormalities has identified 33 genes associated with autism and related disorders, 22 for the first time. Several of these genes also appear to be altered in different ...
Autism spectrum disorders
Apr 19, 2012 |
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Unexplained intellectual disability explained by state-of-the-art genetic analysis
A research team reported that next generation sequencing of the exome, the 1 to 2% of the DNA containing the genes that code for proteins, enabled the identification of the genetic causes of unexplained intellectual disability ...
Genetics
Nov 08, 2012 |
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A better early blood test for autism: Genetic signatures point to disrupted neuro-immune pathways
(Medical Xpress)—Researchers at Boston Children's Hospital have developed a blood test for autism spectrum disorders (ASDs) that outperforms existing genetic tests, while presenting evidence that abnormal ...
Autism spectrum disorders
Dec 10, 2012 |
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New method enables sequencing of fetal genomes using only maternal blood sample
Researchers at the Stanford University School of Medicine have for the first time sequenced the genome of an unborn baby using only a blood sample from the mother.
Genetics
Jul 04, 2012 |
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Massive DNA search uncovers new mutations driving blood cancer
The most comprehensive search to date of DNA abnormalities in chronic lymphocytic leukemia (CLL) has unearthed several new altered genes that drive this common blood cancer, a finding that could potentially ...
Cancer
Dec 12, 2011 |
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Understanding and treating the cognitive dysfunction of Down syndrome and Alzheimer's disease
Down syndrome (DS) is the most common genetic disorder in live born children arising as a consequence of a chromosomal abnormality. It occurs as a result of having three copies of chromosome 21, instead of the usual two. ...
Psychology & Psychiatry
Mar 01, 2012 |
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A pack of walnuts a day keeps the fertility specialist away?
A paper published 15 August 2012 in Biology of Reproduction's Papers-in-Press reveals that eating 75 grams of walnuts a day improves the vitality, motility, and morphology of sperm in healthy men aged 21 to 35.
Obstetrics & gynaecology
Aug 15, 2012 |
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Researchers find new genetic pathway behind neurodevelopmental disorders
Researchers at the Douglas Mental Health University Institute, have discovered a new genetic process that could one day provide a novel target for the treatment of neurodevelopmental disorders, such as intellectual disability ...
Genetics
Dec 06, 2012 |
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Gene sequencing project mines data once considered 'junk' for clues about cancer
Genome sequencing data once regarded as junk is now being used to gain important clues to help understand disease. The latest example comes from the St. Jude Children's Research Hospital – Washington University Pediatric ...
Cancer
Jan 24, 2013 |
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Three cancer scientists awarded $500K Nmedical prize
Three scientists at universities in Pennsylvania, Illinois and Oregon whose research has helped transform cancer treatment will share one of the richest prizes in medicine and biomedical research.
Cancer
Apr 16, 2013 |
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Faulty intellectual disability genes linked to older dads at conception
Chromosomal abnormalities linked to intellectual disability can be traced back to the father, particularly those who are older when the child is conceived, finds research published online in the Journal of Medical Genetics.
Genetics
Oct 03, 2011 |
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Early embryos can correct genetic abnormalities during development
Professor William G. Kearns told the annual meeting of the European Society of Human Reproduction and Embryology that a three-day-old embryo (called a cleavage stage embryo) with an incorrect number of chromosomes (known ...
Genetics
Jul 05, 2011 |
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Alcohol metabolism causes DNA damage and triggers a breast cancer-related DNA damage response
Alcohol is known to be carcinogenic to humans in the upper aerodigestive tract, liver, colorectum, and the female breast. Evidence suggests that acetaldehyde, the primary metabolite of alcohol, plays a major role in alcohol-related ...
Health
Sep 15, 2011 |
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Parents feel shock, anxiety and the need to protect children with genital ambiguity
Parents of babies born without clearly defined male or female genitals experience a roller-coaster of emotions, including shock, anxiety and the need to protect their child, according to a study in the October issue of the ...
Health
Sep 28, 2011 |
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A chromosome anomaly, abnormality or aberration reflects an atypical number of chromosomes or a structural abnormality in one or more chromosomes. A Karyotype refers to a full set of chromosomes from an individual which can be compared to a "normal" Karyotype for the species via genetic testing. A chromosome anomaly may be detected or confirmed in this manner. Chromosome anomalies usually occur when there is an error in cell division following meiosis or mitosis. There are many types of chromosome anomalies. They can be organized into two basic groups, numerical and structural anomalies.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
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