Tag: "hereditary" at biology news

Günter Blobel wins 1999 Nobel Prize for physiology or medicine

... yeast, plant, and animal cells. A number of human hereditary diseases arecaused by errors in these signals and transport mechanisms. Blobel's researchhas also contributed to the development of a more effective use of cells as"protein factories" for the production of important drugs." Additional information ab...

Gene mutation tied to deafness found in African-Americans and Caucasians

...neassociated with about 20 percent of all cases of hereditary deafness found inWhites is also found in blacks. "There have been some reports in the scientific literature on Caucasiansbut only a small study on African-Americans, and they didn't find the mutation,"said Dr. Elizabeth M. Rohlfs, clinical as...

Yale cancer center study underscores fears of discrimination over genetic testing

... those concerned theymay be at risk for developing hereditary cancer away from the genetic testingthat can -- in some cases -- save their lives. Concerns about discrimination,privacy and confidentiality in insurance and employment have even led to stateand federal legislation to help protect these individuals....

Alzheimer protein found critical to brain development

...and Presenilin 2 (PS2) are responsible for certain hereditary forms of Alzheimer's. To investigate how these proteins normally function, the Lunenfeld scientists developed mice lacking PS1 and PS2. These mutant mice do not survive past the early embryonic stage of development due to multiple defects, including ...

New transgenic mouse likely to advance Alzheimer's disease research

..., progressive supranuclear palsy, and the group of hereditary dementias caused by mutations in the tau gene. It differs, however, from that seen in Alzheimer's disease, where the tangles and beta amyloid plaques appear primarily in cortical neurons involved in memory and cognition. Alzheimer's disease is a pro...

Jefferson scientists use gene repair technique to change albino mice hairs to black

...rk holds promise as a potential treatment for some hereditary diseases by correcting the genetic mutation from which they arise. Kyonggeun Yoon, Ph.D., associate professor of dermatology and cutaneous biology and biochemistry and molecular pharmacology at Jefferson Medical College of Thomas Jefferson Univer...

Common enzyme deficiency may jeopardize pregnancies

A hereditary enzyme deficiency increases the incidence of fetal...e have been no investigations of the impact of the hereditary condition on developing embryos. "This is an enzyme that's been around forever and people have al...

Licensing procedure for genetically modified organisms turns out to be fallible

...es and the original species and whetherthey expect hereditary changes to be spread within the environment. By formulatingthe questions in this way, the body awarding the licenses places the responsibility forthe provision of information in the hands of the applicant. The Leiden philosophers say that licenses c...

Photoreceptor gene mutations cause degenerative eye disease

...hich focuses on identifying genes that cause human hereditary diseases, especially hereditary blindness, discovered the ESCS mutations while studying another retinal disorder called Bardet Biedl...

University of Pittsburgh researchers uncover mitochondrial defect involved with inherited cancers

...ogression of many solid cancerous tumors, causes a hereditary tumor called hereditary paraganglioma. Paraganglioma tumors most commonly occur in the carotid body, a small organ located ...

Hopkins reports new technology to unmask hidden gene mutations

... time -- genetic mutations associated with certain hereditary diseases. A report of their work is in the Februa...id they used blood samples from 22 patients with a hereditary form of colorectal cancer, known as hereditary non-polyposis colorectal cancer (HNPCC). Conventiona...

Family connections feed eating disorders research

..., and offers a greater awareness of the family and hereditary links of the disorders. In studies of first-degree...Commonwealth University, researchers looked at the hereditary connection between and co-occurrence of anorexia nervosa and major depression among female twins. Al...

New technique improves accuracy of gene tests

...mutations responsible for most hereditary cancers, such as retinoblastoma, hereditary breast cancer, and hereditary colon cancer. It could also b...

Searching for biochemical markers in children of alcoholics

...ding that the B-E response to alcohol has a strong hereditary component; the second is further demonstrating the involvement of the endogenous opioid system in alcoholism. Wand himself studies the effects of opioid antagonists in the brains of nonalcoholic COAs. "This is a novel, important study," said Wand....

Genetic mutations associated with epilepsy

...ons in this gene exist in people with other common hereditary types of epilepsy, genetic testing could identify at-risk infants at birth when early treatment could help prevent seizures and potential neurological damage, according to Andrew Escayg, Ph.D., a postdoctoral fellow in the U-M Medical School. Epileps...

Aptosyn™ (exisulind) and other SAANDs target early event in cancer; AACR presentations detail novel apoptotic pathway

... promising strategy for the prevention of not only hereditary and sporadic colon cancer, but also other cancers where the involvement of mutant APC has been implicated," said Dr. Clapper. "The additional pro-apoptotic effects of Aptosyn™ on downstream regulators of apoptosis, Jun Kinase and Erk, may also c...

Strict diets required for chronic disease management may increase risk of unhealthy eating behaviors

... Individuals with both Type 1 diabetes and PKU, a hereditary condition in which an amino acid found in protein-containing foods can't be properly metabolized, must adhere to strict diet regimens. Since diabetics don't produce enough insulin, a hormone that helps the body regulate carbohydrate metabolism, they...

Gene defects tied to inability of cells to repair DNA damage

... that carried defects in genes associated with the hereditary condition known as Cockayne's syndrome. This is a ...lications. In cells carrying genes associated with hereditary disease, a mutation to any one of the proteins involved in transcription coupled repair -- particula...

DFG approves 14 new research training units

...ey intend to find out how tumours can damage human hereditary matter and have an impact on cell structures. The medical scientists will subsequently publish their results in internationally renowned specialist journals. The DFG regards this as a step towards reforming doctorates for medics. The DFG has been pro...

Obesity has reached epidemic proportions - urgent need for research

...dressing these questions. It is also not clear how hereditary predisposition and a person's way of life influenc...abetes, arteriosclerosis and renal disorders. If a hereditary predisposition is exacerbated by additional dietary deficiencies and lack of exercise, then the poun...

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