News tagged with chromosomal defect
Therapeutically useful stem cell derivatives in need of stability
Human stem cells capable of giving rise to any fetal or adult cell type are known as pluripotent stem cells. It is hoped that such cells, the most well known being human embryonic stem cells (hESCs), can be used to generate ...
Jan 24, 2012 |
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Exploiting cancer cells' weaknesses
When designing new cancer drugs, biologists often target specific gene mutations found only in cancer cells, or in a subset of cancer cells. A team of MIT biologists is now taking a slightly different approach, ...
Mar 08, 2011 |
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SFU seeds discovery of mutant gene in chromosomes
Simon Fraser University molecular biologists have discovered a gene whose job is to ensure that chromosomes are correctly distributed during the formation of eggs and sperm in mammals, including humans.
Oct 22, 2010 |
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Making movies within cells
(PhysOrg.com) -- Biologist Barbara Mellone uses tiny cameras to study what happens when a dividing cell makes a mistake.
Sep 20, 2010 |
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New animal model for hemophilia A developed
(PhysOrg.com) -- Researchers at Yale School of Medicine have developed a new animal model for studying hemophilia A, with the goal of eventually treating people with the disorder. Hemophilia A, a hereditary defect that prevents ...
Medicine & Health / Diseases, Conditions, Syndromes
Sep 03, 2010 |
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Researchers Present New Sex Evolution Theory
(PhysOrg.com) -- Harris Bernstein and Carol Bernstein have proposed a new theory on the billion-year-old mystery of sexual reproduction evolution.
Jul 08, 2010 |
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Chromosomal abnormality found for inherited clubfoot
Although clubfoot is one of the most common congenital birth defects, few genetic causes have been found. Now, researchers at Washington University School of Medicine in St. Louis have found what they believe ...
Jul 01, 2010 |
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Genetic health risks in children of assisted reproductive technology
More than three million children have been born as a result of assisted reproductive technologies since the birth of the first "test tube baby" in 1978. While the majority of these children are healthy and normal, as a group ...
Feb 21, 2010 |
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Studies demonstrate link among Alzheimer's disease, Down syndrome and atherosclerosis
Nearly 20 years ago Huntington Potter kicked up a storm of controversy with the idea that Down syndrome and Alzheimer's were the same disease. Now the evidence is in: He was right.
Medicine & Health / Medical research
Jan 16, 2010 |
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New gene linked to congenital heart defects
(PhysOrg.com) -- Researchers from the UC San Diego School of Medicine and colleagues have identified a new gene, ETS-1, that is linked to human congenital heart defects. The landmark study, recently published online in the ...
Dec 17, 2009 |
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Amount of gene surplus determines severity of mental retardation in males
Researchers have discovered a new explanation for differences in the severity of mental illness in males. The more excess copies of a certain gene, the more serious the handicap. The genetic defect is situated on the X-chromosome; ...
Dec 10, 2009 |
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Down Syndrome becoming more prevalent in the U.S.
(PhysOrg.com) -- A new study, aimed at estimating the prevalence of Down Syndrome in newborns, children and teenagers in 10 areas of the U.S., has found an increase in prevalence of more than 30 percent over ...
Medicine & Health / Diseases, Conditions, Syndromes
Dec 02, 2009 |
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Trembling hands and molecular handshakes
The heritable Fragile X tremor/ataxia syndrome is a common neurodegenerative disease. It is assumed to result from a relative lack of the protein Pur-alpha. A new study by a German team under the leadership of Dr. Dierk Niessing ...
Medicine & Health / Diseases, Conditions, Syndromes
Oct 23, 2009 |
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When a Twin is not a Twin
(PhysOrg.com) -- A woman in Fort Worth, Arkansas is carrying two babies that may not be twins, and which may have been conceived two and a half weeks apart. The two babies may be the result of superfetation, a rare phenomenon ...
Sep 28, 2009 |
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When someone is raised female and the genes say XY
(AP) -- It's the birth defect people don't talk about. A baby is born not completely male or female. The old term was hermaphrodite, then intersex. Now it's called "disorders of sexual development." Sometimes the person ...
Sep 12, 2009 |
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