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Tag: "genetic" at medical news

Genetic Tests Could Help Decide the Right Anti-depressants

...hey will be able to characterize a patients unique genetic profile, determining what biological type of depre... of drug manufacturers. Scientists have identified genetic variations that affect specific neurotransmitter functions, which could explain why some patients re...

Women With Few Older Female Relatives Face Cancer Threat

...older female relatives may be unaware they carry a genetic risk of breast cancer, US researchers reported in a study that casts doubt on current genetic testing guidelines . Genetic risk models for breast cancer underestimated a deadly gene mutation ...

Protein Pathway Involved in Parkinson Disease Development Identified

...fied a protein pathway in cells that is altered by genetic mutations recently identified in Parkinson disease...ak down in the face of environmental challenges or genetic mutations. Other scientists recently have linked early onset Parkinson disease to mutations in bot...

Individual Differences in Sleep Structure are Biologically Determined

...t biologically determined and may even prove to be genetic in origin. This is the first study to reveal that substantial differences in sleep patterns exist even among healthy adults who are good sleepers, said Van Dongen, who emphasized that normal sleep covers a wide terrain and that many different slee...

Scientists Trace New Pathway That may Stem Antibiotic Resistance

...erase is the key enzyme regulating the transfer of genetic information from DNA to RNA," Dr. Vassylyev has been quoted as saying in the online edition of Nature magazine. "All living organisms use this enzyme to transmit the instructions stored in genes (DNA) to messenger RNA (mRNA), which in turn communi...

Neurological Disorder Gene Identified

...ice . The discovery of the gene mutation means a genetic test will be possible for people with a less commo...that until now was unidentified and had an unknown genetic basis, says Miriam Meisler, senior author of the study. Charcot-Marie-Tooth disorder, one of the m...

Aedes Agypti Mosquitos Immune System Revealed

... on the paper explains: Our study has revealed the genetic landscape made by parts of this mosquitos newly-se...ferences. The team aims to discover which of these genetic differences could explain why one type of mosquito transmits dengue and yellow fevers, while the oth...

Diet Could Be Life or Death for Prostate Cancer Patients

...the foods may improve the prognosis for men with a genetic predisposition to the condition. Working with mice genetically engineered to develop prostate tumors, scientists fed some of the mice a diet high in omega-3 fatty acids from birth. These mice had fewer tumors and a longer life span than those not f...

Maths Theory Shows Genetic Pattern of Tumour Growth

...rs have shown how cancer cells can alter their own genetic makeup to accelerate tumour growth by using a math...he first study to show why such alterations in the genetic makeup of cancer cells occur. It provides insight into how tumours thrive, besides offering a potent...

Researchers Identify New Risk Marker for Obese Children

...en or if high levels of apoB48 are the result of a genetic imbalance that does not allow some people to metabolize sugary, high-fat foods adequately. "Right now we think it's probably a combination of both a poor diet and genetics that make a person produce high levels of apoB48," Proctor said. He added ...

Novel Treatment Beneficial for Colon and Liver Cancer

...ent of Pharmacy and Pharmaceutical Technology used genetic therapy with non-viral vectors for transferring genetic material to the cancerous cells. With this technique, we can assure the therapeutic function of the ...

Genetic Cause of Inherited Eye Diseases Identified

...of the eye that could lead to the discovery of the genetic causes of a host of inherited eye diseases. The i...lls, have recently taken the spotlight in studying genetic diseases. They are commonly used by cells for movement or sensory purposes, and, in many cases with ...

Recall of the AIDS Drug Causes Panic in Zambia

...e. The contaminant can cause cancerous tumors and genetic mutation that could harm unborn children if used during pregnancy. Purity Mwamba, an HIV-positive housewife in the capital, Lusaka, said: "I may not be on Viracept, but I am deeply concerned as a person living with HIV and on ARVs [antiretroviral dr...

Another Sexual Attraction is Possible ...

...same pheromone type but differing in their overall genetic relatedness with the "pure" races, and, conversely, groups of individuals sharing a very similar genetic background but using different pheromones. The former were expected all to show similar mating perfo...

Childhood Abuse Increases the Risk of Alcoholism

...en develop such problems, a likely indication that genetic factors also play a role. Recent studies have linked the monoamine oxidase A (MAOA) gene with adverse behavioral outcomes stemming from childhood mistreatment. MAOA is an enzyme that metabolizes various neurotransmitters that regulate the bodys res...

Revealing the Secrets of Gut Ecosystem

...hin their intestines. By applying sophisticated genetic analysis to samples of a years worth baby poop, Ho...with the laborious gold standard approach of using genetic libraries of bacteria to get a snapshot of the microbial ecosystem in an infant at a given point in ...

Cuban Healthcare Delivers, Experts Say

...t that 5 out of 100 new born babies were born with genetic malformations which could lead to death. She further added that Cuba had developed over the last 25 years a medical genetics program to prevent many of these problems....

Eating Fish Oil can Save Eyesight: Study

...e omega-3 fatty acid levels were increased through genetic means. The World Health Organization has identified retinopathy as a leading cause of vision impairment in children in the developing world. In rich nations, the disease has also become more common with advances in medical care that have vastly i...

Gene Therapy Awakens the Brain Despite Blindness from Birth

... therapies aimed at restoring vision to those with genetic retinal disease. During the course of study, the researchers used functional MRI to measure brain activity in blind dogs born with a mutation in gene RPE65, an essential molecule in the retinoid-visual cycle. The same mutation causes a blindness ca...

Smoking Hampers Alcoholics' Neurocognitive Recovery During Abstinence

...s to cravings for the other; and there may exist a genetic vulnerability for concurrent active cigarette smoking and alcohol dependence, Durazzo added. Durazzo added that earlier research had shown that chronically smoking alcoholics display poorer performance in several areas of cognitive functioning than...

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