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Tag: "pigment" at medical news

UV Radiation induces Melanoma

... damage caused when the UV radiation strikes these pigment cells. Babies and young children are thought to be more vulnerable. // A team of scientists at the National Cancer Institute in Bethesda, Maryland exposed mice, whose skin had been genetically engineered to mimic human skin, to high doses of ultr...

Red Wine Helps Fight Heart disease

... rose wines -- which contain little or none of the pigment -- had no effect on endothelin-1 levels. Red grape... the pigment's properties. Researchers believe the pigment comes from red wine skins. In white wine and rose, the grape skins are taken out before fermentation...

Cell transplants used to fend off Parkinson's symptoms

...60% using this procedure. Watts implanted retinal pigment epithelial cells, which are grown by the millions after being removed from human donor retinas. These particular cells produce dopamine, normally manufactured by neurons in the brain. Levels of dopamine steadily decrease as Parkinson's progresses. Th...

Fast screening for macular degeneration

...an scattering, the spatial distribution of retinal pigment can be imaged. Any abnormal patterns, which may in...mation of the individual variations in retinal eye pigment patterns could lead to new insights into AMD....

Macular Degeneration treatment with Laser

...d drusen. This heating and damaging of the retinal pigment epithelium causes the body to come in and do some repair work and, at the same time, some of these drusen can disappear and decrease in size, number and thickness. The laser treatment is however for the dry form of the disease and Dr. Fox, an ophtha...

Sun The Reason To Blame for eye Disease

...three-times as likely to develop increased retinal pigment -- a characteristic of age-related maculopathy. These patients were also twice as likely to develop early age-related maculopathy over 10 years, compared to patients who reported spending less than two hours a day in the sun. Results also show parti...

Turmeric Found To Slow Down Melanoma Growth

A new study shows that Curcumin- the yellow pigment found in the curry spice turmeric, inhibits melanoma// cell growth and kills tumor cells. It has already been demonstrated that the spice has an anti-cancer effect. Incidence of melanoma, or skin cancer, is increasing rapidly in many with more than...

Hearty tomatoes

...leus that contain pigments, in this case the green pigment chlorophyll. It is the first time that foreign genes have been introduced into //the plastids of a fertile food crop and transferred to the next generation. Plants have DNA in three places in their cells: most is concentrated in the nucleus, with a...

Enzyme Responsible For Congenital Blindness

...ucial role in the regeneration of rhodopsin visual pigment in the retina after light exposure. Rhodopsin contains a light-absorbing molecule called 11 cis retinaldehyde, related to vitamin A, which is converted upon light absorption to all trans retinaldehyde in a process called photo bleaching. This convers...

The effects of Curcumin: a natural pigment in turmeric explored for its anti-cancer properties

Curcumin, the natural pigment that gives the spice turmeric its yellow color, has come under the scientific spotlight in recent years, with studies investigating its cancer-fighting abilities // . Researchers say they have already obtained data indicating that curcumin can bloc...

Arthiritis: Brightly-coloured fruit and vegetables offer protection

...nges, carrots and sweetcorn. // Vitamin C and the pigment beta-cryptoxanthin, both of which are found in brightly-coloured fruit and veg, may act as antioxidants, and protect the body against the oxidative damage and inflammation. The levels of intake of anti-oxidants who had developed inflammatory polyart...

Genetic Cause For Farsightedness Discovered

...P protein is located on the surface of the retinal pigment epithelium (RPE), which is located beneath the retina and helps maintain photoreceptors, the eye's light-detecting cells. Blindness occurs when these cells die after detachment of the retina from the RPE. Researchers hope the information gained from...

New laser technology heals acne scars

...ssible adverse events include infection, bleeding, pigment changes and permanent scarring. In the study, dermasurgeons at Northwestern University Medical Center in Chicago used two different non-ablative lasers, Lyra and CoolTouch II, to treat 12 patients with mild to severe acne scarring. The ...

Curcumin found to halt spread of breast cancer in mice

...ed. A recent study conducted on the effects of the pigment in animal models has been found to inhibit the met... long period of time. The protective effect of the pigment adds a new ray of hope to risks associated with breast cancer treatment. The toxicity of Paclitaxe...

Carotenoid Absorption Explained In A Better Manner

...their orange color, while lutein is a major yellow pigment of corn and leafy green vegetables. Carotenoids act as biological antioxidants, protecting cells and tissues from damage caused by naturally occurring oxygen free radicals in the body. Beta-carotene is a potentially important means of lessening vita...

Seeing Is Believing Does Not Hold Good For Color Perception

...that would not have been possible otherwise. The pigment that allows each cone in the human eye to react to different colors is very fragile. For the experiment, the researchers allowed light to shine directly into the eye to determine what wavelengths each cone reflects and absorbs, and thus to which colo...

Bacterial Photographs Created By Student Scientists!

...tor system was then designed to communicate with a pigment control system. Once light was sensed by the recep...was achieved, the bacteria either produced a black pigment or did not, depending on the availability of light. This enabled the bacteria to convert light image...

Cell Implants May Help Those Who Suffer From Parkinson's

...years. Levodopa can be produced from the retinal pigment epithelial cells of human beings which can be isolated from the eye tissue after postmortem, developed in culture, after which it can be implanted in the human brain. The cell implants have been performed upon patients who suffered from advanced stag...

Scientists Discover Secret Of Curly Hair

...rance in the hair follicle of the melanocytes, the pigment cells that give hair its colour. Edited (ANI) ...

Designer Babies- To Create Or Not To Create!

...cterized by defects in hemoglobin (oxygen carrying pigment in blood) synthesis. It is divided into two types, a-thalassemia and b- thalassemia depending on the defect involved. Varying degree of anemia, heart failure, fluid accumulation in the body, bone defects, liver and spleen abnormalities are common pre...

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