aneuploidy

Common viruses may cause cancer

... are often aneuploid--and very much alive. Whether aneuploidy is a cause or a consequence of a cancerous cellular state is the crux of a current debate. In a recent study, Dr. Yuri Lazebnik and his colleagues at Cold Spring Harbor Laboratory observed, fortuitously, that normal cultured human cells are fused by...

MIT sheds light on how tumor cells form

... but scientists have been puzzled by evidence that aneuploidy can result even when these proteins appear to be n...hese subtle errors are believed to be the cause of aneuploidy and the rapid growth of tumors.) Before cells divide, individual chromosomes in each pair of chromo...

Chromosomal abnormalities in sperm higher after vasectomy reversal

... He found that they had high rates of chromosomal aneuploidy (where an abnormal number of specific chromosomes ... of abnormality was about 10 times higher than the aneuploidy and diploidy rate in normal fertile men", said Professor Sukchareon. "This raised a lot of question...

'Signature' of chromosome instability predicts cancer outcomes

... Szallasi's team indirectly measures the degree of aneuploidy -- and thus the degree of chromosomal instability -- by looking for abnormal expression levels of genes at the different chromosomal locations. Next, the researchers identified 25 genes whose activity most strongly predicted chromosomal instabilit...

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Protein Depletion for Plasma and Serum Proteomic Analysis

...g SD, Wang HS: Rapid detection of fetal aneuploidy using proteomics approaches on amniotic fluid supernatant. Prenatal Diagnosis 2005, 25 :559-566. </LI> <LI >Tsangaris G, Weitzdorfer R, Pollak D, Lubec G, Fountoulakis M: The amniotic fluid cell proteo...

aneuploidy at Biology Definition

Ploidy

...ead to problems in cell development. Most forms of aneuploidy in humans are lethal, but trisomy (three copies) of the sex chromosome (the cause of Klinefelter's syndrome and others) and of chromosome 21 (the cause of Down syndrome ) are relatively common. Many forms of cancer have incorrect ploidy numbers...

Ploidy

...ead to problems in cell development. Most forms of aneuploidy in humans are lethal, but trisomy (three copies) of the sex chromosome (the cause of Klinefelter's syndrome and others) and of chromosome 21 (the cause of Down syndrome ) are relatively common. Many forms of cancer have incorrect ploidy numbers...

aneuploidy at Biology Dictionary

Aneuploidy

Search for aneuploidy in these other data bases too Definition of aneuploidy : The condition of a cell or of an organ ism that has additions or deletion s of a small number...

aneuploidy at Medicine News

Protein Complex prevents cancer

...ch is found to protect cell from transforming into aneuploidy state, which has an abnormal number of chromosomes...dy state in the cell and prevents the formation of aneuploidy state. Prof. Deursen has published the results of the work in the Journal Nature and they feel tha...

Vasectomy Reversal to Lead to Birth Defects

... of abnormality was about 10 times higher than the aneuploidy and diploidy rate in normal fertile men. This rais...l. If these sperm continued to have a high rate of aneuploidy and diploidy, we would know that obstruction by vasectomy must affect spermatogenesis in the longer ...

Amniocentesis Safer for Pregnant Women

...mniocentesis using patients who were recruited for aneuploidy screening. A total of 35,003 unselected patients were enrolled between 10 3/7 and 13 6/7 weeks of pregnancy and followed until the end of pregnancy. Two groups were derived- those who did or did not undergo amniocentesis. The rate of fetal loss was c...

Researchers Identify New Drug Targets for Cancer

...variable number of chromosomes to discover if such aneuploidy made the mice more tumor-prone. “We found that, ...d other genetic errors to mice with a high rate of aneuploidy – tumor development was slowed.The UCSD researchers also studied mice that were missing a tumor supp...

aneuploidy at Medicine Products

Vysis UroVysion Bladder Cancer Kit

...r Cancer Kit (UroVysion Kit) is designed to detect aneuploidy for chromosomes 3, 7, 17, and loss of the 9p21 locus via fluorescence in situ hybridization (FISH) in urine specimens from persons with hematuria suspected of having bladder cancer. Results from the UroVysion Kit are intended for use, in conjunction ...

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Polyp

...indle pole body duplication gene , NDC1, leads to aneuploidy and polyp loidy. Proc. Natl. Acad. Sci. 96:10200-10205. Full article >>> include malfunction of the tiny, hairlike projections ( cilia ) that propel secretions out of the sinus es and abnormally thick sinus secretions. Sinusitis ...