Tag: "collagen" at medical news

Topical retinol helps reduce wrinkles associated with natural skin aging

...n results from a reduced production of the protein collagen and may slow wound healing, presenting a public he...s known to retain substantial water, and increased collagen production are most likely responsible for wrinkle effacement [reduction]. With greater skin matrix ...

Retinol lotion reduces the fine wrinkles from natural aging of skin

...es in the studys participants was due to increased collagen production and a significant induction of glycosaminoglycans, which are known to retain large quantities of water. In general, aging skin tends to be thinner, laxer and more prone to fine wrinkles than young skin. ...

New study: Pycnogenol reduces heart failure

...hamber walls showed a significantly higher rate of collagen connective tissues than control groups. "Altern...ementation to significantly enhance the connective collagen matrix of cardiac tissue. Whereas the chronic hypertension in mice led to a significant loss of conn...

Scientists re-grow dental enamel from cultured cells

...s seeded the cultured dental epithelial cells onto collagen sponge scaffolds, along with cells from the middle of the tooth (dental mesenchymal cells). The scaffolds were then transferred into the abdominal cavities of rats, where conditions were favorable for the cells in the scaffolds to interact and develo...

How T lymphocytes attack

... the different cell populations, blood vessels and collagen fibres present. And using a series of successive images, it was possible to reconstitute the trajectory of a T lymphocyte. Using this method, the researchers thus examined the different protagonists T lymphocytes and tumour cells during two distin...

Injection of 'skin filler' material appears to stimulate collagen production

...te. "We found that NASHA injections induce type 1 collagen production in photo-damaged forearm skin." Becaus...dings indicate that NASHA injections induce robust collagen production through several potential mechanisms, including the mechanical stretching of fibroblasts ...

The science behind a wrinkle-filler: Researchers discover for the first time how product works

...the skin to create new collagen. This new, natural collagen then would contribute to the reduction of the appe...ibroblasts are stretched, and this produces enough collagen to make the skin appear relatively smooth. As people age, the fibroblasts become relaxed and do not ...

Nicotine receptors on kidneys may speed kidney damage

... the mesangial cells get activated, which produces collagen and fibronectin. This results in kidney scarring and progressive kidney disease," Jaimes said. The researchers then examined the effect of nicotine on the mesangial cells. They added nicotine to the cells at a concentration similar to what could be...

German researchers develop first non-invasive test to measure skin aging

... layers of the skin, combining methods for imaging collagen and elastin, whose degeneration causes the appeara...thness. The technique measures relative amounts of collagen and elastin by a single factor, which can be positive or negative, like temperatures. Higher values ...

Penn study suggests a new type of pain reliever that may benefit the heart

...alls. In turn, this led to a switch in the form of collagen - a fibrous structure that contributes to the fabric of plaques - to a more stable and benign form. "It seems that it is the complete reverse of the mechanism that creates problems for COX-2 inhibitors," says FitzGerald. Mice lacking mPGES-1 boost ...

New cell-based targets for treating autoimmune inflammatory diseases

...o showed abnormally low aggregation in response to collagen and abnormally low rates of serotonin storage. These findings suggest links between the gene mutation, loss of Cno protein expression, defect in platelet function, and the regression of crescent formation in the glomerulus. What's more, these li...

Sunscreens can damage skin, researchers find

...y into the skin, all the way into the dermis where collagen exists. "For now, the best advice is to use sunscreens and re-apply them often the Skin Cancer Foundation recommends every two hours, and especially after sweating or swimming, which can wash away sunscreen to reduce the amount of UV radiation f...

Science finds new fix for UV-damaged skin in arthritis treatment

...s showed a reduction in melanin and an increase in collagen a key structural protein in skin. Three double-blinded placebo- controlled clinical studies involving more than 200 subjects, including a study supervised by Dr. Kimball, showed improvement in hyperpigmentation and skin tone and a decrease in the si...

Womens skin tone influences perception of beauty, health, age, sociobiologists find

... measure melanin and the two other chromophores of collagen and hemoglobin, researchers can begin to map out these substances all which change with age to determine the optimal distribution that the human eye tends to find most pleasing. "Because skin has optical depth, our eyes perceive discolorations on ...

Factor stimulates cartilage growth from stem cells

... increased by 38 times the production of a type of collagen uniquely present in cartilage, compared with cells without BMP-6 in the cocktail. "Our studies suggest that growing hADAS cells with BMP-6 could provide tissue that could be used to repair damaged cartilage," said Bradley Estes, a graduate student in...

JCI Table of Contents, April 3, 2006

...induced arthritis in mice by injecting them with a collagen protein that had been isolated from cows. This procedure resulted not only in the onset of RA in the mice, but also was associated with the production of both anti-collagen and anti-CCP antibodies in the blood. The authors found that sera (blood prot...

Hopkins study shows low-dose aspirin suppresses clumping of blood platelets in both sexes

...lumping went down by 14.6 ohms when 1 microgram of collagen per milliliter was added to whole blood, and decreased by 2.4 ohms when exposed to a higher dose of 5 micrograms per milliliter. In treated women, reductions were the same, at 14.9 ohms and 2.42 ohms, respectively. When 10 micromoles per liter of...

Cosmetic plastic surgery patients chose needle over knife

...in resurfacing 59 percent. Another notable trend - collagen and fat injections have decreased 58 and 13 percen...) fillers. This can be attributed to the fact that collagen and fat injections can be time consuming with allergy tests and harvesting procedures, and the newer...

Study identifies molecule essential for proper localization of blood stem cells

...at the CaR-negative cells were unable to adhere to collagen I, an essential bone protein produced by the osteoblasts. "Since there are already drugs available that target this receptor, we may be able to quickly adapt these findings in animals to the treatment of human patients," says Scadden, who is a profe...

People who restrict calories have 'younger' hearts

...ntricular histology and function, including higher collagen content and associated tissue stiffening. Nutritionally balanced caloric restriction may constitute a key means to modify these detrimental patterns and mitigate age-related morbidity and mortality," Dr. Forman said....

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