Tag: "implicated" at biology news

Secret sex life of killer fungus?

...so a major cause of respiratory allergy, and it is implicated in asthma as well. The fungus has always been thought to lack the ability to reproduce sexually, but new discoveries by a multinational group of scientists indicate that the fungus has a number of characteristics of sex. The possible presence of sex ...

Flies on speed offer insight into the roles of dopamine in sleep and arousal

...s of attention and distraction. Dopamine has been implicated in numerous aspects of brain function in humans and other animals, and many of these brain functions involve the modulation of neuronal activity and the ability to assign proper saliency (or relevance) to sensory stimuli....

Brain size may depend upon how neural cells are cleaved

...ic cell division in fruit flies and roundworms had implicated a particular class of proteins -- known as AGS3 and mPins in mammals -- as upstream regulators of G proteins. The researchers' analyses showed that AGS3 is, indeed, expressed in progenitor cells. And when they "silenced" AGS3 expression in embryonic...

Tips from the journals of the American Society for Microbiology

...hronic gastritis, gastric ulcers, and was recently implicated in the development of gastric cancer. Infecting more than fifty percent of the world's population and up to ninety percent of the population in some countries, the bacterium can persist, once acquired, sometimes for life. A twenty percent failure r...

Study reveals trigger for insulin resistance in liver, potential drug targets

...CoA concentrations, a compound which had also been implicated in insulin resistance previously. The finding sugg...on] and previous studies by the Shulman group have implicated activation of this kinase in hepatic insulin resistance," he explained. "Taken together, these data...

New clue to cocaine addicts' quirky behavior

...psychostimulant drugs. The same circuitry has been implicated in such disorders as schizophrenia, depression, and post-traumatic stress disorder, wrote the researchers. Yukiori Goto and Anthony A. Grace of the University of Pittsburgh described their findings in the July 21, 2005, issue of Neuron. In their stud...

Comparative chromosome study finds breakage trends, cancer ties

...part of the same chromosome. Breakpoints have been implicated as potentially major triggers for cancers and many other human diseases. "We looked closely at these breakpoints, asking if there are specific DNA signatures in these regions," Lewin said. "The answer is, we still don't know, but in the human there i...

One hit of crystal meth causes birth defects: U of T study

...vated, destructive oxygen molecules that have been implicated in cancer and neurodegenerative diseases, says Wells. This vulnerability lasts from the embryonic stage through the later fetal period, times when organ structures and mental functions develop. "People usually think the last trimester of pregnancy i...

Omega-6 fatty acids cause prostate tumor cell growth in culture

... prevent COX2 from being released. "COX2 has been implicated in the growth of many types of tumors," she notes....matory conditions such as arthritis, but have been implicated in increased risk of cardiovascular problems in people who take them regularly. "COX2 inhibitors als...

Customized gene chip provides rapid detection of genetic changes in children's cancer

...defects on chromosome 11 and other genetic regions implicated in neuroblastoma. Microarrays are silicon chips that contain tightly ordered selections of genetic material upon which sample material can be tested. When DNA bases from a sample bind to complementary sequences on the microarray, they cause fluoresc...

Complex gene interactions account for autism risk

...A and GABA receptors in patients with autism, have implicated the brain mechanism in the disease. Furthermore, there is evidence that GABA plays a key role in the early development of the brain. Earlier research by the Duke team and other researchers linked a portion of chromosome 15 to autism risk. That region...

OHSU researchers discover potential mechanism to repair brain damage linked to MS

... been bred to overproduce a protein which had been implicated previously in tumor formation. The protein, called CD44, is frequently found in limited amounts in the brains of both healthy mice and humans. However, instead of developing tumors, the mice with elevated CD44 developed tremors similar to those seen...

Brain's opioid receptorsor endorphin systemmay hold key to treatment possibilities for bulimia

...he anticipation and reward of eating, and has been implicated in studies of other driven behavioral disorders, including drug addiction and gambling." Bulimia nervosa is a serious eating disorder marked by a destructive pattern of recurrent dieting, binging and vomiting to control one's weight. "Patients feel t...

Cells direct membrane traffic by channel width, scientists say

...in and lens of the eye. Impaired function has been implicated in a variety of diseases. Aquaporins are a target of scrutiny for the Theoretical and Computational Biophysics Group at the Beckman Institute for Advanced Science and Technology. Using steered molecular dynamics, Beckman researchers have solved a mys...

Joslin researchers discover new gene for type 2 diabetes using DNA chips

... Joslin Diabetes Center have discovered a new gene implicated in the cause of type 2 diabetes. In a new study appearing in the August 12 issue of the journal Cell, the investigators first identified genes that were altered in their level of expression in islets isolated from people with type 2 diabetes. The re...

Rockefeller researchers show evidence of asymmetric cell division in mammalian skin

...d in asymmetric divisions in fruit flies, has been implicated in a similar fashion in mice. And it is fascinating that asymmetric divisions turn out to control skin differentiation." But not everything works exactly the same. Lechler also discovered that integrin and cadherin proteins contribute to the asymmetr...

Brain tumors may originate with neural stem cells, researchers say

...articular type of incurable brain tumor and may be implicated in other types of brain cancers as well. The resea...ical reaction called Ras signaling, which has been implicated in the initiation of some cancers. As infants, the mutant mice showed no sign of cancer, but as the...

Gene loss accelerates aging

... that this is the first time the p63 gene has been implicated in aging. "I first presented these results at a meeting in Tuscany. I don't want to sound flippant, but if you have to grow old somewhere, that's about as good a place as any to do it," says Mills. The study is published in the September issue of the...

Alteration of brain protein regulates learning

...sed to go. In adult mice, reelin has recently been implicated in the formation of memories, and reduced production of reelin has been associated with schizophrenia in humans. In a report published in the Aug.18 issue of the journal Neuron, Dr. Joachim Herz, professor of molecular genetics and a member of the Ce...

Reversal of role for a viral protein associated with the development of lymphoma

...-associated cancers, the NF-?B pathway also may be implicated in lymphomas that are not caused by HHV8. "There are potentially widespread applications of this finding and our next step will be to discover how involved this pathway is in the development of lymphomas that are not associated with HHV8," said Dr. ...

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(Date:11/4/2014)... November 4, 2014   ... growth   Fuel3D , a developer of ... funding round totaling $6.4 million (£4 million). This funding builds ... earlier this year and paves the way for the commercial ... The funding round was led by Chimera Partners and ...
(Date:11/3/2014)... Cancer Center study published in this month,s ... describes the activity of a recently discovered communication molecule ... It has been known to limit inflammation and the ... system: IL-37 inhibits the ability of the immune system ... mechanism that underlies IL-37,s effect on the immune system ...
(Date:11/2/2014)... LA (2 November 2014)—In support of a bold quest ... & Melinda Gates Foundation today announced an award of ... Vaccine Initiative (MVI) in building new vaccines that will ... realize the "accelerating to zero" agenda. Such vaccines would ... could be called an "immunological bed net." , ...
Breaking Biology News(10 mins):Fuel3D Secures $6.4 Million in Expansion Funding 2Fuel3D Secures $6.4 Million in Expansion Funding 3PNAS: From HIV to cancer, IL-37 regulates immune system 2New malaria vaccines to prevent infection and block transmission get a shot in the arm 2New malaria vaccines to prevent infection and block transmission get a shot in the arm 3New malaria vaccines to prevent infection and block transmission get a shot in the arm 4
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