25 FebDopamine has long been known.

In humans. Novelty-seeking personality traits are a major risk factor for the development of substance abuse and other unsafe behaviors, Zald and his colleagues wrote. – – Our research shows that high novelty seeking individuals, the brain is less capable of dopamine regulates, and this may cause these individuals to induce a particularly responsive to novel and rewarding situations the release of dopamine the release of dopamine with Zald.. Dopamine has long been known, an important role in how we learn, play risk from a variety of natural sources, including food and sex, and drugs such as cocaine and amphetamine Previous studies have shown that people in both.

Previous studies in rodents showed that some respond differently to new environments. To explore those new environment more are also more likely to self-administer cocaine when given the chance. Dopamine neurons fire at a higher rate in these novelty-responsive rodents, and the animals also have weak autoreceptor control of their dopamine neurons. Zald and colleagues speculated that the same relationships would be seen in humans.Slackstar observed let-7 is lacking in many cancers and acts upon a gene announced a part in a role in about a quarter of all human cancers. ‘We hope that it in the treatment of number other cancers valuable,’he said.

Has shown RNA Hat major impact on averaging cancer cancer.

Researchers in Yale and Mirna Therapeutics, reversed growth lung tumors into mice with a naturally occurring tumor suppressor microRNA. To study indicates that a tiny bit of RNA may someday play a major role in cancer therapy, and provides hope for future patients struggling one of the most common and intractable cancers. This be the first time anyone has shown a positive impact of microRNAs in declining of lung cancer, said Frank Slack, co-senior author of the paper, research from Yale Cancer Center and professor of molecular, cellular and developmental biology.