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Tag: "melanomas" at biology news

Sun exposure early in life linked to specific skin cancer gene mutation

...ust how these mutations contribute to the cause of melanomas has been a mystery. A new clue comes from scienti...0 years old, may specifically increase the risk of melanomas with BRAF gene mutations. A different mutation, on the NRAS gene, was found in patients who had sun ...

Rising skin cancer rates are more likely to affect wealthy people, says 12-year review

... wealthier areas and increased levels of malignant melanomas and basal cell carcinomas.” The team looked at ...em to affect squamous cell carcinoma. Malignant melanomas showed the greatest increase over the 12-year study period, with a 48 per cent rise in patients and ...

Molecular differences between early and advanced melanomas could provide new drug targets

...cule Akt is a primary trigger that leads malignant melanomas on the skin's surface to begin growing vertically ...nding this key molecular difference between radial melanomas that spread on the surface of the skin and melanomas that grow vertically and invasively could provi...

Why don't all moles progress to melanoma?

...lifetime. Scientists know that 30 percent of all melanomas begin in a mole. They know that 90 percent of moles contain cancer-causing mutations. What scientists didn't know is how melanocytes stop these mutations from triggering the development of cancer. Maria S. Soengas, Ph.D., and other scientists in th...

Speeding discovery of the 'human cancer genome'

...ound. Further study of that common region in mouse melanomas that independently developed their invasive abilit...tly expressed at higher levels in metastatic human melanomas compared to primary melanomas. Drugs aimed at Nedd9 might therefore prevent the skin cancer's spr...

Can dogs smell cancer?

...nfirmed the ability of trained dogs to detect both melanomas and bladder cancers. The new study, led by Michael McCulloch of the Pine Street Foundation in San Anselmo, California, and Tadeusz Jezierski of the Polish Academy of Sciences, Institute of Genetics and Animal Breeding, is the first to test whether d...

Characterizing Skin Cancer by Microarrays

...the transition from radial to vertical growth, the melanomas lost the expression of certain molecules, resultin...phase, which implies that both radial and vertical melanomas can metastasize. The authors identified over 2,000 genes that distinguished the stages of melanoma p...

Study of genomic DNA leads to new advances in cancer diagnostics

...e authors also used flow cytometry to characterize melanomas of varying invasiveness. Further study will be required to determine the specificity and sensitivity of these methods before they are used in the clinical setting. Physicians and researchers alike know that how a cancer cell interacts with its micro...

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(Date:7/9/2014)... pivotal in the development of cancer, viral infection and ... question about one of the most widely-researched proteins in ... of thousands of research papers and millions of pounds ... in Professor Sir Philip Cohen,s laboratory at the University ... is activated. The results are published today ...
(Date:7/9/2014)... ability to switch out one gene for another in ... from science fiction to reality within this decade. As ... promise--the hope of fixing disease-causing genes in humans, for ... scientists have put one of those concerns to rest: ... overall occurrence of mutations in the cells. The new ...
(Date:7/9/2014)... geographic ranges in which animals can be found, concern ... Does an increased range for a host mean new ... says a team of UC Santa Barbara scientists, including ... published in the Journal of Biogeography , Hechinger, ... opposite may happen: Hosts may actually lose their parasites ...
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(Date:7/9/2014)... researchers have uncovered mutations in a cell-signaling pathway that ... may expand treatments for patients because drugs targeting some ... in clinical trials. , Reporting July 9 in ... including researchers at Washington University School of Medicine in ... tumors from 230 patients with lung adenocarcinoma. , "This ...
(Date:7/9/2014)... a relatively optimistic picture of women,s chances of surviving ... the chest wall or skin, but not beyond. ... size and whether they have involved lymph nodes, are ... advanced" tumors, suggesting that they are a relatively serious ... breast cancers of this and other types account for ...
(Date:7/9/2014)... drug users in Russia might contribute to HIV ... conducted by researchers from Boston University Schools of ... Petersburg Pavlov State University, sought to discover the ... of a cohort of HIV-positive people with lifetime ... arrested by police were more likely to share ...
(Date:7/9/2014)... personal and subjective, the human brain turns them ... across different senses, situations and even people, reports ... Anderson. , "We discovered that fine-grained patterns of ... of the brain associated with emotional processing, act ... subjective feeling," says Anderson, associate professor of human ...
(Date:7/9/2014)... There has been a sharp increase in the number ... MyChart, the online, interactive service that allows patients to ... providers, schedule appointments, and renew prescriptions. , Over a ... MyChart each year increased five-fold, while the number ... according to a study by Dr. David Gerber ...
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