Pigment in Medical News

Pitt, Berkeley researchers reconstruct seashells to model nervous system function

... continue the pattern. At the same time, the new pigment and shell growth are influenced by external ... network that determines how much calcium and pigment the mollusk secretes. Different rates of calcium ... shape of the shell, while different amounts of pigment result in a pattern unique to each species. ...

Zebrafish Journal Publishes Skin Pigmentation Studies That Shed Light on the Evolution of Race

... look at future directions of research on pigment biology. Model organisms such as zebrafish ... Discussion entitled, "Research Implications of pigment Biology in Zebrafish," by Cheng, Parichy, and ... behind regeneration and stem cell biology using pigment patterning as a major readout of organogenesis. ...

Big Lottery to fund scientific research

... result is ochronosis; the formation of a black pigment which binds to bone, cartilage, and skin. The ... Professor Jim Gallagher, said: "The black pigment that leaks into the bloodstream and attaches ... of illness. What is interesting is that the pigment only attaches itself to certain areas of ...

Novel approach strips staph of virulence

... of Child Health and Human Development. A pigment similar to the one that gives carrots their color ... aureus (staph) golden. In the bacterium, this pigment acts as an antioxidant to block the reactive ... Researchers had speculated that blocking pigment formation in staph could restore the immune ...

Developing gene therapy to fight blindness

... involves a receptor protein called MERTK that is expressed in the retinal pigment epithelium, the pigmented cell layer just outside the retina that closely ... of this defect, debris accumulates between the photoreceptors and retinal pigment epithelium, resulting in death of photoreceptors and loss of vision. ...

Expression of infrared fluorescence engineered in mammals

... in infrared and work in mouse models. A phytochrome is a photoreceptor a pigment that plants and bacteria use to detect light which is sensitive to light ... well in mammalian cells and spontaneously incorporate biliverdin, a green pigment that is present in humans and other mammals," said Tsien. Biliverdin is ...

Skin color studies on tadpoles lead to cancer advance

... when introduced into Xenopus Laevis tadpoles, blocks the movement of the pigment cells that give the tadpoles their distinctive markings and which develop ... of the adult frog. It is the uncontrolled movement and growth of pigment cells (melanophore) in both tadpoles and humans that causes a particularly ...

Ellex Announces Six-Month Results on Retina Regeneration Therapy

... which has demonstrated a selective and therapeutic effect on the retinal pigment epithelium (RPE)." Ellex 2RT uses a custom designed, Q-switched green ... therapeutic role of Ellex 2RT in other diseases that impact the retinal pigment epithelium, including early Age-Related Macular Degeneration (AMD), drusen ...

Getting to the Root of Caring for Your Hair at Any Age

... appear at this age. Dr. Draelos explained that gray hair occurs when the pigment cells in the body stop producing pigments, which is a sign that the body's ability to produce pigment is decreasing. "Once the hair has been chemically dyed, it strips the ...

Statement by Bonnie J. Campbell, Former Attorney General of Iowa and Spokesperson for Atlantic Richfield Co., Millennium Holdings, LLC, NL Industries, Inc., and The Sherwin-Williams Company on the Jury Verdict Reached Today in the Thomas (Milwaukee) Case

... a Milwaukee jury unanimously concluded that former manufacturers of lead pigment used decades ago to make paint are not responsible for the harm claimed by ... The jury unanimously found that the plaintiff was not harmed by lead pigment in paint. "Under Wisconsin law, property owners are legally responsible ...

UF scientists program blood stem cells to become vision cells

... that uses drug manipulation rather than genetic manipulation to send these immature cells along new pathways." Scientists chose to build retinal pigment epithelial cells, which form the outer barrier of the retina. In addition to being very specialized and easy to identify, RPE cells are faulty in ...

Celebrity Permanent Makeup Artist Slams Claim "Michael Jackson Didn't Want to be Black"

... or the treatment options available to him." Michael Jackson was diagnosed in 1986 with vitiligo, a chronic skin disease that causes loss of pigment resulting in irregular pale patches of skin. Jackson openly discussed the disease in an interview with Oprah Winfrey in 1993 following accusations ...

Stemedica Discovers Significant Breakthrough in the Use of Stem Cells and Stem Cell Factors for the Treatment of Retinal Degeneration

... Institute using Stemedica's proprietary multiple cell technology. Three different types of human stem cells (hSC) were used in the study - retinal pigment epithelium (RPE), neural (NSC) and cilliary body (CB) - all obtained from human donor tissue. Various cells were injected into rats with hereditary ...

LSUHSC research identifies enzyme that makes survival molecule for key vision cells

... Neuroprotectin D1 is derived from the omega-3 fatty acid, DHA (docosahexaenoic acid) which is present in both brain and retinal cells. Retinal pigment epithelial (RPE) cells are essential for the survival of rod and cone photoreceptor cells. RPE cells regulate the renewal of the tips of ...

Ortho Biotech Oncology Research & Development Announces Collaboration with National Cancer Institute to Develop Novel Cell Therapies to Treat Cancer

... for 4 percent of all diagnosed skin cancers, according to NCI. Melanoma, which usually begins in cutaneous melanocytes -- the cells that produce the pigment melanin -- is more likely to spread to other body parts, known as metastatic melanoma. In 2008 in the United States, an estimated 68,000 people were ...

Eye association inducts inaugural class of Fellows

... events in the eye related to normal visual functions and to abnormal/disease conditions. Particularly, his team investigates the mechanism of pigment regeneration in the cone visual system and how hyperglycemia and insulin induce vascular endothelial growth factor secretion by retinal cells. ...

Zatik Organic Beauty Care Lunch Seaweed-Herbal Wrinkle Reduction and Natural Skin Whitening Products

... and wrinkles to provide more youthful and radiant appearance. Brightening Cream: Living naturals like lemon balm and bearberry for reducing pigment generation and to produce greater facial luminosity, and whitening. Active redberry and vitamin-C ester will provide antiviral and healing ...

Kids Given Photos of Sunburn Damage Covered Up Better

... than expected from 1999 to 2003. After receiving a sun protection lecture, 83 students also received a UV photograph of their face that shows pigment changes from chronic sun exposure and an explanation of the damage. Twenty-eight students in the control group heard the lecture but did not have a ...

BUSM study finds photographs of UV exposure can impact sunburns in preteens

... group. All students received a sun protection lecture. Those in the intervention group also received a UV photograph of their face, (that shows pigment changes from chronic sun exposure), along with detailed explanations of their findings on the UV photographs at baseline. Follow-up surveys at two ...

LSUHSC research shows fish oil protects against diseases like Parkinson's

... various neurodegenerative diseases," says Dr. Bazan. "Furthermore, this study provides the basis of new therapeutic approaches to manipulate retinal pigment epithelial cells to be used as a source of NPD1 to treat patients with disorders characterized by this mutation like Parkinson's, Retinitis ...

Sirion Therapeutics Announces Positive Results From Interim Analysis of Phase II Trial and Receives FDA Fast Track Designation for Fenretinide

... as GA. About Geographic Atrophy Geographic atrophy (GA) is characterized by confluent areas of cell death in photoreceptors and retinal pigment epithelium (RPE). GA is bilateral in more than half of afflicted patients and largely the cause of legal blindness from age-related macular ...

Video: Cosmetic Procedures Up In All Ethnic Groups Except Caucasians In 2008

... skin," cautions ASPS Member Surgeon Tripti Burt, MD, who performed Laurent's procedures. However, in the wrong hands, these procedures can lead to pigment irregularities and scarring." Hispanics comprised 10 percent of the 12 million cosmetic plastic surgery procedures performed in 2008, with ...

QLT announces completion of Phase Ia safety trial of its synthetic retinoid product

... for 11-cis-retinal which is an essential component of the retinoid-rhodopsin cycle and visual function. Two different gene mutations (Retinal pigment epithelium protein 65 (RPE65) and lecithin-retinol acyltransferase (LRAT) result in an inadequate production of 11-cis-retinal and occur in ...

Breakthrough Solution Found in Refresh Skin Care Products

... are amazing: a brighter, more energetic, youthful look." While other eye creams on the market only address wrinkles, EpiLight Eye Cream inhibits pigment formation through two key active ingredients: Licorice Extract and Niacin (Nicatinimide). EpiLight Eye Cream minimizes dark tones within three days ...

Half of Black Teens May Be Vitamin D Deficient

... at Boston University, said that he thinks the study is important, because it will make doctors aware of the problem. "We know the more skin pigment you have, the less efficient is your ability to make vitamin D in your skin," Holick said. "That's why most African-Americans in the United States ...

'Dark cells' of living retina imaged for the first time

... however, Williams employed adaptive optics with a new method to make the dark cells glow brightly enough to be detected. The cells, called retinal pigment epithelial, or RPE cells, are nearly black, and form a layer that recharges the photoreceptor cells of the eye after they are exposed to light, ...

Apple peel appeal

... coloring. Redness is one of the most important factors consumers consider when buying apples. One variety of apple called 'Honeycrisp' has peel pigment that takes on one of two patterns"striped" or "blushed." A single 'Honeycrisp' tree can produce both striped and blushed apples, a phenomenon unique ...

Society of Permanent Cosmetic Professionals (SPCP) Hosts 18th Annual Convention in Las Vegas

... client or a correction procedure. Elizabeth Finch-Howell CPCP, President of the SPCP will discuss the often misinformed mystery of what is in our pigment bottles. Gary Radelat CPA will address IRS issues and offer advice on the best direction to take when setting up a business or modifying an existing ...

Low-Cost Strategies to Maintain Health in Hard Times

... maintain a healthy weight and cuts the risk of certain cancers. "Many of the beneficial nutrients in fruits and vegetables are concentrated in the pigment or rich colors, which are often in the skins," said Stacy L. Kennedy, a nutritionist at Dana-Farber. An apple a day is a good start. The uncooked ...

Ophthalmology highlights Jan. 2009

... growth factor (VEGF), intercellular adhesion molecule (ICAM)-1, interleukin (IL)-6, monocyte chemotactic protein (MCP)-1 and the anti-inflammatory pigment epithelium-derived factor (PEDF) were selected because earlier research had linked them to the development or exacerbation of DME. All four ...

Laws Governing Indoor Tanning by Teens Don't Work

... Indoor Tanning Association, Washington, D.C.; office of Rep. Carolyn Maloney, (D-N.Y.), Washington, D.C.; Jan. 15, 2009, Cancer ; October 2008, pigment Cell & Melanoma Research ...

Study identifies double-balloon enteroscopy as cost-effective approach for obscure GI bleeding

... options. The base-case (hypothetical) patient was a 50-year-old man with a six-month history of recurrent melena (stools stained black by blood pigment or dark blood products) and associated iron deficiency. The patient had a prior normal upper endoscopic examination, colonoscopy, and small bowel ...

American Academy of Dermatology: Stop Skin Cancer On The Spot

... exciting technology dermatologists are using to evaluate suspected skin cancers is a hand-held light device known as dermascopy that can look at the pigment of the skin through specialized filters that magnify and polarize lesions. For example, similar to how filters are used on cameras to create certain ...

Melanin production discovered in fat tissue

... samples taken from morbidly obese patients undergoing weight loss surgery, the researchers discovered that substantial quantities of melanina pigment that gives the skin, the hair and the iris of the eye their natural colorwere being produced in the study participants' fat tissue. Ancha ...

Age Spots Are No Match for Cosmetic Dermatology Treatments

... First, though, Fairfield emphasizes the importance of protecting your skin from solar radiation. "Sun damage definitely causes skin pigment cells to go wonky," Fairfield says, "and that brings on the age spots," along with the other damage it wreaks. So protective clothing ...

September Ophthalmology research highlights

... early to advanced AMD. They found that some factors were associated with both forms of advanced AMD and others with only one form. Increased age and pigment clumps in the retina were associated with the development of both CNV and GA . Current, but not past, smoking was linked to a higher risk of CNV, ...

Dr. Lisa Zdinak Announces, CO2TouchTM Brazilian Carboxytherapy - New Technology for Non-Surgical Treatment of Stretch Marks, Cellulite and Dark Undereye Circles

... simple and effective. The majority of dark under-eye circles are caused by vascular pooling [poor circulation beneath the lower eyelids], darkened pigment in the skin iteslf, or a hollow depression below the lower eyelids. "The treatment takes only five minutes, and it is virtually painless and ...

Skin Cancer is the Fastest Growing Cancer in the U.S.

... to develop melanoma. -- The Fair and The Freckled: The risk of melanoma is more than 10 times higher for whites than for African Americans - skin pigment has a protective effect. Whites with red or blond hair or fair skin that freckles or burns easily are at increased risk. -- Family History: Your ...

New Test Scans Beef for Mad Cow Disease

... during slaughter," the researchers said in an American Chemical Society news release. They developed a test based on detection of the fluorescent pigment lipofuscin, a substance that appears in high concentrations in the nervous system of cattle. The test proved a reliable indicator for the presence of ...

JUVA Skin & Laser Center Introduces Affirm CO2 to New York City Laser Resurfacing Clients

... "The Affirm CO2 laser is the newest fractional laser technology that has been shown to be the most effective in treating wrinkles, sun damage, pigment changes and acne scarring with minimal downtime and side effects," explained JUVA Skin director Dr. Bruce Katz. "It can be used on the ...