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Tag: "genetic" at medical news

Cocaine Exposure can Alter Neuronal Development in Zebrafish

...er it is in part due to confounding environmental, genetic or physiological factors remains controversial. Using a specifically developed zebrafish, the researchers, Drs. Eva Shang and Irina Zhdanova, found that prenatal exposure to cocaine, in concentrations comparable to those experienced by human embry...

Understanding the Mechanism Underlying Embryo Development

...ence Park (PCB), has led to the discovery of a new genetic function involved in this process, and furthers ou...ng being is based on general laws written into the genetic code of each cell and which enable them to develop a specialist function, modifying the way they div...

Smokers may Develop Chronic Obstructive Pulmonary Disease

Some people have a genetic variation that makes them more susceptible to chro...niversity School of Medicine and colleagues. The genetic variant we studied seemed harmless on its own, said Alireza Sadeghnejad, M.D., Ph.D., lead author. B...

Newborn Screening Tests for Babies

... every baby born in the U.S. to be screened for 29 genetic or functional disorders. If diagnosed early, all o...creened for 20 or more of the recommended panel of genetic disorders by 2008....

Cancer Cures for Canines

...his could be crucial in identifying the underlying genetic causes of cancer in dogs and humans and finding treatments that could be to the benefit of both. Dr Mobasheri said: The benefits of taking a comparative approach to cancer research will be of mutual benefit to humans and companion animals. That is...

Extrovert People Drink More Alcohol

...nfluence of others on their alcohol use. Besides genetic disposition, drinking behaviour is affected by cul..., however, not clear whether this is the result of genetic predisposition or imitation. Group roles and friendships play no role within a drinking situation....

Natural Selection in Butterflies

...rn such traits as wing color or antennae length, a genetic change that affects the sex ratio of a population has a very wide impact on the biology of the species. It is not yet clear whether the suppressor gene emerged from a chance mutation from within the local population, or if it was introduced by migr...

Illegal Immigrants Allowed To Stay A Year More To Care For Their Child

... U.S citizen daughter. Hazelle Roas little-known genetic abnormality left her with a thyroid deficiency and a narrow artery into her heart, which kept her in the hospital most of her life. According to medical specialists, at the University of California San Franciscos Medical Center, the little girls pro...

Genetic Variation in Some Smokers Increases Chances of Developing COPD

A new study has found that some smokers have genetic predisposition to develop chronic obstructive pulm... University School of Medicine demonstrated that a genetic variation in some people increases their chances of developing COPD if they smoke tobacco. "The ge...

All Babies in Massachusetts Should Be Screened for Life-Threatening Disorders

... every baby born in the U.S. to be screened for 29 genetic or functional disorders. If diagnosed early, all o...creened for 20 or more of the recommended panel of genetic disorders by 2008....

Tumours in Dogs may Give Insight into Human Cancer Development

... this may be crucial in identifying the underlying genetic causes of cancer in dogs and humans and finding treatments that may be to the benefit of both. The benefits of taking a comparative approach to cancer research will be of mutual benefit to humans and companion animals. That is because cancer is can...

Genes Play Major Role in Determining Individual's Sour Taste Perception

... the brain perceives as 'sour.' "Demonstrating a genetic component to individual differences in sour taste ...r model to determine the relative contributions of genetic and environmental influences on sour taste sensitivity. The models estimated that genes played a ...

Determining the Sex of the Baby in Wild West Way

...spotlight on inadequacies across the whole area of genetic tests," Hudson says. Jesse Reynolds, a policy analyst at the Center for Genetics and Society in Oakland, argues that "there are sex-selective abortions throughout the world. We shouldn't simply dismiss this as a problem that's 'over there.' " In ...

This is Why DNA Has Its Famous Helix Shape

...kbone" attached to one of four bases, which encode genetic sequences. The strength of the interactions within individual strands comes largely from the chemical attraction between the stacked bases. But the integrity of double-stranded DNA depends on both the stacking forces between base units along the leng...

New Genetic Clue to Type 1 Diabetes

... called KIAA0350 were spotted as risk factors in a genetic profiling of 563 patients with Type 1 diabetes, wh...and kidney failure. Type 1 diabetes is linked to genetic predisposition. The far more common Type 2 diabetes results mainly from an unhealthy diet and inacti...

Genetics is Not the Reason for Family Break-ups

A new study has found that divorce, not shared genetic risks or problems such as parental substance abuse...of variables are taken into consideration, such as genetic risks and socioeconomic factors, the real divorce still accounts for around 66 percent of the increa...

Key Mechanism to Emergence of Strep Bacteria

...ogram your hard drive, this virus reprogrammed the genetic machinery of the M1T1 strep into a more virulent f... mutants. The researchers found that a specific genetic mutation in the M1T1 strep clone controls the shift to this invasive form a property which they tra...

Study Finds Genetic Link Between Smoking Addiction and Major Depression

...an half were identical twins who had a 100-percent genetic match and about 45 percent were fraternal twins wh...ins, and used a mathematical model to estimate the genetic and environmental influences on nicotine addiction and major depression. Some people with a histor...

Evolution of HIV from African Greek Monkeys

...ives in northeast Africa. The scientists used the genetic sequences to sort out the ancestral relationships among the different species of monkeys. Other researchers had already constructed phylogenies for the four different SIVagm that showed their relationships. "We put together, for the first time, a re...

Genes Influence the Ability to Listen Two Things at a Time

...s in performance for those activities had a strong genetic component. Participants showed the widest range ...variation in dichotic listening ability was due to genetic differences, a magnitude that is comparable to well-known inherited traits such as type 1 diabetes a...

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