Tag: "skin" at biology news

Duke Researchers Find Second Gene Linked To Blood Vessel Disorder

... cosmeticproblem with tiny red blotches forming on skin or recurring nose bleeds.Others suffer migraine he...y a growth inhibitor. For example,TGF-_ stimulates skin cells to divide, making TGF-_ an excellent wound-healer. In earlier research, reported in the Dece...

Mutate Or Die: New Polymerase Gives Desperate Yeast An Option

...aviolet damage to DNA is the process that leads to skin cancer," says Nelson."Sunlight is always causing DNA damage, and humans have a good system for fixing it. But when there's a lot of damage,the repair system is just overwhelmed, and the body tries other ways to cope. This zeta polymerase is one such ...

Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation

...antharidin, which causes severe irritation of the skin when touched -- and of the urogenital tract when swallowed. Because of its purported stimulative effect, cantharidin was one of the first natural compounds to undergo scientific investigation, beginning early in the 19th century when it was chemical...

International Research Team Clones New Skin Cancer Gene

...June 14 issue of the journal Cell, could lead to a skin cream that would cure the disease, and to genetic testing for susceptibility to skin cancer. Approximately one million cases of basal cell carcinoma occur each year, and its incidence i...

NADC Examines TB In Cattle and Swine

...an Free Trade Agreement. The tuberculins used for skin testing in the three countries are preparedby different methods and from different strains of the bacterium Mycobacteriumbovis . The researchers compared tuberculins from each country to determineif there is a need to standardize the tuberculins use...

Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs

...iment in which unrelated captive cheetahs accepted skin grafts from each other, a sign that their immune s...populations with little genetic variation accepted skin grafts from one another. However, gophers from a population with higher genetic diversity rejected s...

Bee Sting Treatment Should Emphasize Speed, Not Method Of Removal

...ional wisdomthat a sting should be scraped off the skin rather than pinched out. Theway it is removed has ... advice because, although the sting remains in the skin and continuesto inject venom, it does so through a valve system in the sting, not throughcompression...

Bacterial Protein Structure Hints At Mechanism Of A Class Of Premature Aging Diseases

...m's syndrome, a type of dwarfism; and somekinds of skin cancer. Understanding of these diseases on the molecular levelis minimal. But since the helicase's job is to help replicate the chromosomes,any malfunction would be expected to have severe consequences. "No one knows anything about arresting he...

Selenium Supplements Can Reduce Cancer Rates

...ruited 1,312 randomized patients with histories of skin cancer at seven dermatology clinics located in low...ve a 25 percent annual chance of a recurrence, and skin cancer is easy to diagnose and can be quickly treated. The researchers set out to determine whether...

New Study Shows Steps Leading To Colon Cancer

...ases of colon cancer and many melanomas, a form of skin cancer difficult to treat," he said. A report on...h he discusses closely related papers on colon and skin cancer appearing in that journal. "Science and detective fiction share many features: a mysterious...

Overweight Cats Risk Disease And Premature Death, Cornell Study Finds

...uffer diabetes mellitus, lameness and non-allergic skin conditions, a Cornell University veterinarian's fo... to be presented to veterinarians for non-allergic skin conditions, probably because the cats cannot reach all parts of their bodies to groom themselves pro...

Emory Researchers Advance Gene Therapy Studies For Metastatic Melanoma Treatment

...he most dangerous, and potentially deadly, type of skin cancer. If large doses of this ingredient can be delivered to melanoma tumors directly, the researchers believe it might be used to effectively treat advanced cases of melanoma. In gene studies on melanoma tumors, Emory researchers John Ansel, M...

Houseflies May Transmit Ulcer Bug

... The researchers found the bacteria present on the skin of theexposed flies for up to 12 hours. In addition, the exposed flies hadbacteria in their gut and their excretions for up to 30 hours afterexposure. The control group had no presence of the bacteria. "We postulate that H. pylori is acquire...

CSIRO Discovery Fights Cell Ageing

... a natural substance which rejuvenatesageing human skin cells. Dr Robin Holliday and his colleagues have ...mber of divisions. These studies relate directlyto skin ageing, because cells from elderly individuals divide fewer times. Their second discovery is that a...

Resistance To Leptin Contributes To Obesity

... as infusions either into the fat tissue under the skin ordirectly into the fluid that bathes the brain and spinal column. Thisinnovative technique, called ICV infusion, was developed by coauthor Dr.Derek A. Denton of the Howard Florey Institute in Melbourne, Australia. Normal weight, lean mice r...

Study: Device Prevents Epileptic Seizures, Doesn't Damage Hearts

...et watch,Vaughn said. Surgeons bury it beneath the skin just below the left collarbone,and it is programmed to send electric current every few minutes through a wirethat wraps around the vagus nerve in the neck. After extensive clinical trials,the U.S. Food and Drug Administration approved the stimulator ...

Vitamin C Deficit Linked To Skin Disease

... PCT and some otherporphyrias develop blisters and skin damage when exposed to sunlight. Excess alcohol consumption, oral contraceptives and exposure to dioxins,including those in the herbicide Agent Orange, have been known to trigger thedisorder. A more common disorder known as hemochromatosis, which ca...

Early Menarche Puts Young Girls In Peril

...resents a social history of acne, pointing out how skin care was the first of many different body investments made by middle-class parents to achieve a new ideal of physical perfection in their daughters; orthodontia, weight-loss camps, contact lenses and plastic surgery all followed. "American girls cou...

UT-Houston Awarded $2.5 Million For Scleroderma Research

...leroderma, so named because of thehardening of the skin and scarring of internal organs which afflict suff...e mechanisms of collagen regulation, leading tothe skin tightening; and a large survey of epidemiologic and genetic factorsthat may determine, or help physi...

Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains

...uggest strategies for developing better artificial skin and other biomimetic materials, say University of ...oyne reports. "Elastins typically are found in the skin and arteries of vertebrate species only," she notes. "The presence of these types of sequences in pr...

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