Chromosome abnormality

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A chromosome anomaly (chromosome abnormality) reflects an atypical number of chromosomes (karyotype) or a structural abnormality in one or more chromosomes. 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.

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News tagged with chromosomal abnormalities


Ultrasound enhances noninvasive Down syndrome tests

Medicine & Health / Diseases

created Nov 20, 2009 | popularity not rated yet | comments 0

The addition of a "genetic sonogram" maximizes the accuracy of non-invasive testing for Down syndrome, said a Baylor College of Medicine researcher who was lead author of a landmark study in the current issue of Obstetrics an ...





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Report: 20-somethings can go 2 years between Paps

Medicine & Health / Health

created Nov 20, 2009 | popularity not rated yet | comments 0

(AP) -- Most women in their 20s can have a Pap smear every two years instead of annually, say new guidelines that conclude that's enough to catch slow-growing cervical cancer.


Engineer designs micro-endoscope to seek out early signs of cancer

Medicine & Health / Cancer

created Nov 19, 2009 | popularity not rated yet | comments 0

Traditional endoscopes provide a peek inside patients' bodies. Now, a University of Florida engineering researcher is designing ones capable of a full inspection.


Nanoparticles used in common household items caused genetic damage in mice

Nanotechnology / Bio & Medicine

created Nov 16, 2009 | popularity 4.8 / 5 (24) | comments 11

Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...


New research into the mechanisms of gene regulation

New research into the mechanisms of gene regulation

Medicine & Health / Genetics

created Nov 19, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A team led by Penn State's Ross Hardison, T. Ming Chu Professor of Biochemistry and Molecular Biology, has taken a large step toward unraveling how regulatory proteins control the production ...


How cells tolerate DNA damage -- start signal for cell survival program identified

Biology / Cell & Microbiology

created Nov 16, 2009 | popularity not rated yet | comments 0

Cancer researchers of the Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Germany, have gained new insights into how cells react to DNA damage. Dr. Michael Stilmann, Dr. Michael Hinz and Professor Claus Scheidereit ...


A mobile phone or an MP3 player tells if you're sleeping soundly

Medicine & Health / Research

created Nov 19, 2009 | popularity 4 / 5 (1) | comments 0

Finnish researcher Väinö Virtanen has developed a method for analysing snoring sounds by using a PC with a microphone connection and a wireless microphone. The objective was to create an application that could be used ...


Study examines challenges of diagnosing neurofibromatosis type 1-like syndrome

Medicine & Health / Diseases

created Nov 17, 2009 | popularity not rated yet | comments 0

An analysis of patients with a syndrome similar to the genetic disorder, neurofibromatosis type 1, indicates that diagnosis may be difficult because of shared clinical findings, such as certain pigmentary characteristics, ...


Night beat, overtime and a disrupted sleep pattern can harm officers' health

Medicine & Health / Health

created Nov 17, 2009 | popularity not rated yet | comments 0

A police officer who works the night shift, typically from 8 p.m. to 4 a.m., already is at a disadvantage when it comes to getting a good "night's" sleep.


Women suffering sudden cardiac arrest have lower prevalence of structural heart disease than men

Medicine & Health / Research

created Nov 17, 2009 | popularity not rated yet | comments 0

A woman who suffers sudden cardiac arrest is significantly less likely than a man to exhibit the decrease in the heart's pumping ability that is widely recognized as a precursor, says a new study in the Nov. 24 Journal of ...


Pilot study relates phthalate exposure to less-masculine play by boys

Medicine & Health / Research

created Nov 16, 2009 | popularity 4.8 / 5 (9) | comments 9

A study of 145 preschool children reports, for the first time, that when the concentrations of two common phthalates in mothers' prenatal urine are elevated their sons are less likely to play with male-typical toys and games, ...



List of search results for chromosomal abnormalities