Chromosomal Abnormalities Current Events | Chromosomal Abnormalities News
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Proximity To Landfill Sites Linked To Increased Risk Of Congenital Chromosomal Abnormalities (p 320)
New data from a 1998 study to assess the potential risks of chromosomal abnormalities of residents living near landfill sites is detailed in a research letter in this week's issue of THE LANCET. The findings suggest that the increased risk of chromosomal abnormalities is of a similar magnitude to the increased risk of non-chromosomal abnormalities... view more... (2002-01-23)
Chromosomal microarray analysis proves accurate
Two years and more than 2,000 samples after researchers at Baylor College of Medicine started to use a new gene-chip technology called chromosomal microarray analysis to look for potential genetic abnormalities in children, they find that it is remarkably sensitive in detecting abnormalities in individual chromosomes. view more (2007-03-30)
PGD could save women from the agony of repeated miscarriages
Women who suffer repeated unexplained miscarriages can be helped to have babies if preimplantation genetic diagnosis (PGD) is carried out on their embryos before they are placed in the womb. Ms Carmen Rubio told the European Society of Human Reproduction and Embryology annual conference in Vienna today (Monday 1 July) that her research showed that... view more... (2002-06-29)
Changes in chromosomal constitution of preimplantation embryos suggest caution in genetic screening
Embryos that are selected out as abnormal can undergo chromosomal modifications, a scientist will tell the annual conference of the European Society of Human Genetics today. view more (2007-06-19)
Prenatal biochemical screening only detects half of chromosomal abnormalities
Prenatal biochemical screening tests are widely used to look for chromosomal abnormalities in the fetus which can lead to serious handicap, or even death during gestation or in the first few days after birth. view more (2008-06-02)
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)
Chromosomal problems affect nearly all human embryos
For the first time, scientists have shown that chromosomal abnormalities are present in more than 90% of IVF embryos, even those produced by young, fertile couples. view more (2009-07-01)
Columbia University Medical Center researchers discover potential mechanism for tumor growth
Researchers at Columbia University Medical Center have identified an inherent feature of stem and progenitor cells that may promote initiation and progression of cancerous tumors. view more (2005-12-16)
Ultrasound Detection of Down Syndrome
New Method Shown to be Effective for Detecting Down Syndrome at Mid-Trimester Scan Looking at the nasal bones of fetuses at the mid-trimester scan could improve the detection of Down Syndrome during pregnancy, according to results to be published in the January 2003 issue of Ultrasound in Obstetrics & Gynecology, the official journal of the... view more... (2002-12-12)
New, less invasive genetic test greatly improves pregnancy rates in older women with poor prognosis
A new test examining chromosomes in human eggs a few hours after fertilisation can identify those that are capable of forming a healthy baby. view more (2009-06-30)
Study links dietary folate intake to genetic abnormalities in sperm
Healthy men who report lower levels of the nutrient folate in their diets have higher rates of chromosomal abnormalities in their sperm, according to a new study by researchers at the University of California, Berkeley, and the Lawrence Berkeley National Laboratory. view more (2008-03-20)
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)
'Signature' of chromosome instability predicts cancer outcomes
Microscopic examination of tumor specimens cannot always predict a cancer's aggressiveness, leading to increased interest in molecular approaches to diagnosis. view more (2006-08-21)
New study reports on reproductive health in UK veterans of the first Gulf war
The first epidemiological study to be conducted in the UK on reproduction following service in the Gulf War in the early '90s is published today in the International Journal of Epidemiology. It will, for the most part, prove reassuring to those who fear serving in the Gulf may have had an adverse effect on their reproductive health as the... view more... (2004-03-18)
New test can detect both genetic and chromosomal abnormalities in embryos
One-step screening for both genetic and chromosomal abnormalities has come a stage closer as scientists announced that an embryo test they have been developing has successfully screened cells taken from spare embryos that were known to have cystic fibrosis. view more (2009-06-30)
Chromosomes tell tale of patient's risk for new, future cancer
Hodgkin's disease survivors who have greater genetic instability in their white blood cells are two-and-a-half times more likely to develop another type of cancer. view more (2007-04-17)
MicroRNAs as tumor suppressors
In the May 1st issue of G&D, Drs. Yong Sun Lee and Anindya Dutta (UVA) reveal that microRNAs can function as tumor suppressors in vitro. view more (2007-04-16)
Study calls for end to age thresholds for prenatal genetic testing (pp 258, 276)
US research in this week's issue of THE LANCET challenges the health policies common in many countries in relation to maternal age and prenatal testing for chromosomal abnormalities such as Down's syndrome. Authors of the research conclude that current evidence does not support the conventional view that the balance between health risks and cost... view more... (2004-01-21)
Novel chromosome abnormality appears to increase risk of autism
A multi-institutional study involving Massachusetts General Hospital (MGH) researchers has identified a chromosomal abnormality that appears to increase susceptibility to autism. view more (2008-01-10)
Chromosomal chaos in early embryonic development is linked to abnormalities in cytokinesis and spindle formation
Berlin, Germany: Abnormalities in the spindles (the bi-polar thread like structures that link and pull the chromosomes during cell division) of human embryos before implantation may be the primary reason for many of the chromosome defects observed in early human development, a scientist said on Wednesday 30 June 2004 at the 20th annual conference... view more... (2004-06-29)
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