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Tag: "suggests" at biology news

Viral DNA sequence a possible trigger for breast cancer

...y of this motif to transform cells single-handedly suggests that viral infection may be an important and previously unrecognized trigger for breast cancer. The DNA sequence in question is usually found in immune cells and helps trigger the activation and proliferation of the cells. These sequences have also ...

Spleen may be source of versatile stem cells

... the existence of these splenic stem cells andalso suggests they may be able to produce an even greater variety oftissues. The report appears in the January 19 issue of SAGE KE , an online resource on the science of aging from the publishers of the journal Science. "Theremay be a previously undiscovered poc...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

...g to non-melanoma skincancer. Importantly, it also suggests that photolyases may besuccessfully employed as a genetic tool to combat UV-induced skincancer....

It's not all genetic: Common epigenetic problem doubles cancer risk in mice

...Johns Hopkins patients with suspected colon cancer suggests that IGF2's effect in people may be similar, the researchers report. A larger study of samples from patients with and without suspected colon cancer is underway, Feinberg notes. In the mice -- as well as in about 30 percent of colon cancer patients ...

Antarctic ice shelf retreats happened before

...ration of ice shelves like Larsen B, the new study suggests that the ocean may play a more significant role in destroying them than previously thought. The University of Durham's, Dr Mike Bentley, one of the leaders of the project said, 'We know that rising air temperatures can break up ice shelves but there...

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...es that this research is conceptually new since he suggests that a single gene can both tell a cell what it should become and restrict its fate by preventing differentiation. The ability of a single biochemical factor or complex of factors to have this dual role may represent a new general paradigm for develo...

Newly discovered virus linked to childhood lung disorders and Kawasaki disease

...e respiratory syndrome (SARS). Genetic evidencenow suggests that a previously unknown coronavirus may account for someof the many respiratory diseases for which a causative agent isunidentified, and may have a role in Kawasaki disease, the most commoncause of acquired heart disease in children in developed co...

Found: Missing sequence of the human Y chromosome

..."The identification of thesesegmental duplications suggests an underrepresentation ofpericentromeric regions of the acrocentric chromosomes in the currenthuman genome sequence," Rappold pointed out.The current study was designed as part of a long-term effort tocharacterize the molecular genetic basis for Y-ch...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...led protein kinase A (PKA),which previous research suggests plays a role in neural development,"says Reinisch. "Fluctuations in PKA may influence not only neuronalmaturation but also how neuronal networks are constructed duringdevelopment," she says. Alterations of this enzyme may affect neuraldevelopment and...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...led protein kinase A (PKA),which previous research suggests plays a role in neural development,"says Reinisch. "Fluctuations in PKA may influence not only neuronalmaturation but also how neuronal networks are constructed duringdevelopment," she says. Alterations of this enzyme may affect neuraldevelopment and...

Mouse brain tumors mimic those in human genetic disorder

...e system cells occurs before actual tumorformation suggests that these events are important for the developmentof tumors," Gutmann says. "These findings raise the possibility thattargeted therapies for NF1 brain tumors may involve agents that preventthe supply of growth promoting factors provided by new blood...

New Clues Add 40,000 Years to Age of Human Species

...ngs may bolster the “Out-of-Africa?hypothesis that suggests we all trace to an ancient line that first evolved in Africa and then displaced other hominids as recently as 50,000 years ago. Ian McDougall of Australian National University (ANU), Frank Brown of the University of Utah and John Fleagle of Stony Br...

New research questions basic tenet of neuron function

...pearing in the Feb. 17 issue of the journal Neuron suggests that two distinct types of synaptic vesicles are responsible for the two different modes of neurotransmitter release ?one type of vesicle for spontaneous release, another vesicle associated with activity-dependent release. "These findings question ...

U-M scientists find genes that control growth of common skin cancer

...t that this doesnot happen in regressed mouse BCCs suggests that any residual human BCCcells, if present, should also remain in check as long as the Hhpathway is effectively inhibited.Funding for this research was provided by grants from the NationalCancer Institute and the National Institute of Arthritis and...

First-ever Compounds To Target Only Metastatic Cells Are Highly Effective Against Breast, Prostate, And Colon Cancers

...They're unbelievably effective, and in vitro study suggests they'll work just as well at inhibiting the migration of prostate and colon cancer cells," said senior researcher Dr. Xin-Yun Huang, Professor of Physiology and Biophysics at Weill Cornell Medical College in New York City. The findings have just bee...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

... molecules unique to and widespread among parrots, suggests that it is a pretty important evolutionary novelty...s an independent study on the parrot pigments that suggests that they can act as anti-oxidants to quench free radicals and potentially protect cells and tissues...

Elephants imitate truck noises, other animals

...-author Stephanie Watwood of WHOI said. "Our study suggests that elephants may be using their vocal learning abilities in a similar manner, and opens a fascinating new area for research on how elephants use vocal learning." Vocal learning is important because it enables an open communication system in which ...

Genetically modified natural killer immune cells attack, kill leukemia cells

...earchers at St. Jude Children's Research Hospital, suggests a way to improve the outcome of children who receive treatment for acute lymphoblastic leukemia (ALL) or other blood cancers. Results of the St. Jude study are published in the current online issue of Blood. The researchers demonstrated how to over...

Transport System Smuggles Medicines Into Brain

... molecules unique to and widespread among parrots, suggests that it is a pretty important evolutionary novelty...s an independent study on the parrot pigments that suggests that they can act as anti-oxidants to quench free radicals and potentially protect cells and tissues...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...ngle mouse developed a tumor,?says Lachman.Lachman suggests the vaccine might prove helpful in keeping humanHER2/neu tumors from metastasizing, or spreading, but adds that thisnotion must be tested in human clinical trials.Lachman believes that the vaccine will address two additional safetyconsiderations “bec...

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