Tag: "been" at biology news

Manipulation of epigenome turns off as many genes as it turns on

...ers off, but the deactivation side of the coin had been largely ignored as being a minor effect," adds David Gius, M.D., Ph.D., chief of molecular radiation oncology at the NCI. "Now we know for sure that removing methyl groups has both consequences and to equal extents." In their experiments, the r...

Common gout drug shown to reduce risk from colorectal cancer

...peroxide that promotes oxidative stress, which has been linked to DNA damage and potentially cancer. As such, allopurinol acts as an antioxidant, one of many chemicals that reduce or prevent oxidation, thus preventing cell and tissue damage resulting from free radicals in the body. "Previous stu...

Combination hormone therapy doubles breast density and quadruples risk of abnormal mammograms

...nt therapy, weight and physical activity also have been found to have an impact on breast density. "By increasing breast density, the use of combination estrogen-plus-progestin hormone therapy may increase breast-cancer risk as well as decrease the sensitivity of screening mammography," McTiernan sa...

Urine testing might prove to be an alternative screening test for cervical cancer

...n developing countries where Pap screening has not been established due to a lack of infrastructure, a urine-based approach to testing could have a huge impact." ...

Hormone therapy's effect on breast density is not the same for all women, Group Health study finds

... detect breast cancer on mammograms. But it hasn't been clear whether this increase happens for all women, or whether it differs based on various breast-cancer risk factors, the type of HT a woman uses, and the length of time she takes it. A new study, conducted by Erin Aiello, MPH, and colleagues at Grou...

High fiber intake reduces estrogen levels in Latina women, according to researchers

...estrogen levels. Because high estrogen levels have been linked to breast cancer, this finding could provid...ld on Monday, October 18th. Although there have been several studies that have looked at the relationship between dietary fiber and breast cancer, they a...

Mouse model of osteoarthritis

...arly joint development. David Kingsley's team has been investigating whether BMPs are also involved in the later development and maintenance of joint cartilage. To do this, the researchers designed a genetic system that inactivates BMP signaling late in mouse embryonic development. Most of the joints in...

Two UT Southwestern physicians elected to National Academy of Sciences' Institute of Medicine

... extremely pleased that their accomplishments have been recognized by their colleagues." Dr. Hobbs also directs the Donald W. Reynolds Cardiovascular Clinical Research Center at UT Southwestern and is leading the Dallas Heart Study, a multiyear, multimillion dollar project aimed at learning more about...

Dr. Harris receives NIH Javits Neuroscience Investigator Award

...e brain and nervous system. Nearly 480 awards have been made to date. The award recognizes investigators...ke Council. A total dollar amount has not yet been determined for the funding, which will support studies to document in living animals the changes in ...

To save dolphin's dorsal fin experts combine medical technology and teamwork

...with his dolphin cohorts. While wild dolphins have been observed with similar and more severe lacerations ...e very lucky young dolphin." "Liko's progress has been fantastic and he's well on his way to healing completely," said Stephen Badylak, D.V.M., M.D., Ph.D....

ASPB opposes proposed ban of GMOs in Humboldt county ballot measure M

...lth effects attributed to genetic engineering have been documented in the human population." Furthermore t...oxins, known potential cancer-causing agents, have been found in lines of genetically engineered corn, compared to conventional corn. The reason for this i...

Other highlights in the October 20 JNCI

...ely to begin in utero , but few risk factors have been identified. Using data from health registers in De...zes methotrexate into inactive metabolites and has been used to lower plasma levels of methotrexate in patients with renal dysfunction after systemic admini...

Gene-altered mouse is model for rare autoimmune syndrome

... While other genetically altered mouse models had been produced that showed similar symptoms, those animals showed other pathologies that do not mimic Sjgren's syndrome, said Zhuang. Also, they did not arise from a single genetic mutation, so it is difficult to determine the initial cause of the disease ...

Study in Royal Society journal on how relationship status influences sex ratios

...ally. This "monogamous" nature of entanglement has been used to guarantee the security of quantum cryptography. In this paper the reasoning is reversed: it is shown how to make secrets directly from first principles, and then how to turn the process into a quantum entanglement generating one. This is very...

Leading scientists to discuss research applications for therapeutic cloning

...sue in June, is close to the debate because he has been trying to clone primates, which belong to the same overall species classification as humans. The implications of any success for the prospects of human cloning are clear, and Dr. Schatten is exploring ways to make sure that if he succeeds, others won...

Stony Brook University medical researcher developing new medication to prevent colon cancer

...nd of this year. While traditional aspirin has been shown to be effective in clinical trials in preventing certain cancers, it also is associated with significant side effects, including gastrointestinal bleeding, kidney damage, and allergic reactions ranging from mild to fatal. In addition, tradition...

Mice thrive despite massive genetic makeover

...ly encoded. Similar-sized regions have previously been removed from the mouse genome, invariably resulting in mice that did not survive, because the missing sequences contained important genes and their deletion had severe consequences for the animal. The other authors of the study include Yiwen...

Passage of GMO ban in San Luis Obispo would encourage use of harsh pesticides

...the Agricultural Commissioner determines there has been a violation of this Ordinance proposed under Measu...lth effects attributed to genetic engineering have been documented in the human population." Furthermore they found that genetically engineered foods and tr...

Large-scale forces shape local ocean life, global study shows

...eld and widely accepted phenomenon on land, it has been brought into question in the past decade as scientists have found a surprisingly varied array of ocean animals in Antarctica. This is the first global study to show that latitude affects species richness in shallow-water ocean animals. ...

Mollusk research center will propagate endangered species

... A new Freshwater Mollusk Conservation Center has been established at Virginia Tech to study and propagat...gered species are now on the radar screen and it's been less of a problem for me to attract students." The center provides graduate and undergraduate studen...

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(Date:10/30/2014)... developed a suite of technologies that can be used ... applications in everything from search and rescue to service ... platform for computer-mediated communication between humans and dogs that ... behavioral signals and sending them clear and unambiguous cues ... of computer science at NC State and co-lead author ...
(Date:10/29/2014)... In the largest study of its kind to date, ... genes that heighten the risk for autism. Joseph Buxbaum, ... York City, Mark Daly, Ph.D., Broad Institute of Harvard ... DNA samples from affected children, parents and unrelated people. ... to contribute to the risk for autism spectrum disorder ...
(Date:10/29/2014)... number of chemicals from household and industrial products are ... bodies. But for most of them, scientists have yet ... taken the first step toward doing that by estimating ... new method is published in the ACS journal ... and colleagues note that the risks to human health ...
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