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Pigment in Medical News

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 block a key protein a...

UF scientists program blood stem cells to become vision cells

...ch 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 many...

Developing gene therapy to fight blindness

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

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

...m 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 tha...

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

...ye 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 pi...

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

...ss. 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 photoreceptor...
Pigment in Medical Technology

AlphaVax Announces Promising Results in Melanoma Studies

...r more serious than other skin cancers if not detected and treated early. Melanoma is a form of cancer that begins in melanocytes (cells that make the pigment melanin). Current treatment of later-staged melanoma includes surgical removal of the tumor tissue, followed by chemotherapy and/or radiation therapy....

Paloma Pharmaceuticals Presents at the Association for Research in Vision and Ophthalmology 2009 Meeting

... detachment, however, are proliferative vitreoretinopathy (PVR) and subretinal fibrosis (scarring). When the retina becomes separated from the retinal pigment epithelium (RPE) because a tear or hole occurs in the retina, many cell types undergo proliferation and consequently have the potential to form retina...

Sirion Therapeutics Announces Clinical Data Presentations at the 2009 Association for Research in Vision and Ophthalmology (ARVO) Annual Meeting

... Wednesday May 6, 8:30-10:15 am Posterboard Number: A444 - Program Number: 4188 Characterization of Fluorophores in the Diseased Retinal pigment Epithelium Session Date/Start Time: Wednesday May 6, 8:30-10:15 am Posterboard Number: A427 - Program Number: 4171 Anti-Angiogenic ...

FDA Files Application To Convert ONTAK(R) (Denileukin Diftitox) to Full Approval for Use in Cutaneous T-Cell Lymphoma (CTCL)

...to the syndrome (see PRECAUTIONS, Laboratory Tests). Visual Loss Loss of visual acuity, usually with loss of color vision, with or without retinal pigment mottling has been reported following administration of ONTAK. Recovery was reported in some of the affected patients; however, most patients reported ...

Newly Published Study Shows OPKO's siRNA Bevasiranib Is Taken Up by Target Tissues in the Eye

.... In two tissue distribution and pharmacokinetic studies in rabbits, results showed that bevasiranib was present in the retina and in targeted retinal pigment epithelium (RPE) cells following intravitreal injection. Bevasiranib is a gene-silencing agent designed to shut down the production of vascular endoth...

Preventing Prostate Cancer and BPH: Prostate-Health Expert Available (National Men's Health Week Is June 9-15)

...rican-American men have a 50 percent higher risk of developing symptomatic BPH than white men. -- The excitement about lycopene (the pigment that puts the red in tomatoes) and prostate-cancer prevention is probably a mistake, Kristal says. Most large and well-designed human studie...
Pigment in Medical Products

TCA /Alpha Combo Peels

Description:...-Beta and TCA to deliver immediate-even-visible results. Tricloracetic acid (TCA) has been used for many years to treat facial wrinkles, age spots, pigment abnormalities, mask of pregnancy and other superficial skin problems. The TCA peel causes sloughing or removal of the upper layers of skin. Normall...
Company:Derma Diagnostics LLC

Microdiathermy System - 1100

Description:...esearch, as well as many years of clinical experience, has established this frequency as the optimum choice for the placement of discrete burns on the pigment epithelium. These localized burns produce the maximum effect at the target tissue with the least possible damage to adjacent tissue such as the sclera...
Company:Dutch Ophthalmic, USA

Sahlgrens

Description:...sc test for detecting and grading acquired color deficiency. Requires only two minutes for quantitative estimation of saturation thresholds for bluish pigment colors. Highly sensitive to and specific for differences between normal and acquired vision defects. Combined with Ishiharas pseudo-isochromatic plate...
Company:Richmond Products, Inc.
Pigment in Medical Dictionary

Vitiligo

...from the neural crest, die or are unable to function.... Vitiligo — Comprehensive overview covers causes, symptoms and treatments of this skin pigment condition. ... Vitiligo occurs when the cells that produce ... National Vitiligo Foundation, a patient oriented site dedicated to information ...

Skin disorders

...ders . Stroke. See All Topics. WebMD Message Boards. First Aid A-Z ... The Skin and Skin Disorders (Dermatology) Updated: August 7, 2008 ... pigment Disorders . Pilonidal Disease. Pityriasis Rosea. Poison Ivy, Oak and Sumac ... Skin Care. Hair Care. Skin Disorders . Hair Styles. Body Basi...

Skin color

... determined by the amount and type of melanin, the pigment in the skin . Variation in skin color is largel...kin color is due primarily to the presence of a pigment ... Cross section of human skin ( colors are no...n are due primarily to the presence of melanin, a pigment that protects the skin from ultraviolet ... ...

Retina

...ll retina diseases. Located in Memphis, TN – short ... The retina is a complex tissue in the back of the eye that contains specialized ... pigment epithelium (RPE) supports many of the retina's metabolic functions. ... Described is the retina and aspects of this ocular structure. ... ...

Retinal detachment

...sk factors for retinal detachment include advancing age, previous cataract ... A retinal detachment occurs when the retina's sensory and pigment layers separate. ... There are a number of ways to treat retinal detachment . ... The retina is the neurosensory tissue that lines the back...

Porphyrins

... Porphyrins are a group of organic compounds of which many occur in nature, most famously as the pigment in red blood cells. They are heterocyclic macrocycles characterised by the presence of four modified pyrrole subunits... porphyrin n. Any of v...
Pigment in Biological News

Fish cancer gene linked to pigment pattern that attracts mates

ATHENS, Ohio (Aug. 18, 2008) Though skin cancer is deadly to male fish, it also has one perk: The black melanoma splotches arise from attractive natural markings that lure female mates. A new study published in the Proceedings of the National Academy of Sciences this week shows that the melanom...

Researchers visualize complex pigment mixtures in living cells

TEMPE, Ariz. In a technical advance that could allow researchers to watch cells as they act during the process of photosynthesis, scientists have developed a method that extends the power of fluorescence-mediated bio-imaging to see discrete pigments inside live cells of bacteria. The method i...

Purple sweet potato means increased amount of anti-cancer components

...r of human nutrition at K-State, to understand the pigment effects of a Kansas-bred purple sweet potato on ca...toes have high contents of anthocyanin, which is a pigment that presents the purple color in the vegetable. The pigment can produce red, blue and purple colors depending ...

NASA satellite detects red glow to map global ocean plant health

...iefing on May 28. Over the past two decades, scientists have employed various satellite sensors to measure the amount and distribution of the green pigment chlorophyll, an indicator of the amount of plant life in the ocean. But with the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua ...

Skin color clue to nicotine dependence

... Higher concentrations of melanin -- the color pigment in skin and hair -- may be placing darker pigmented smokers at increased susceptibility to nicotine dependence and tobacco-related carcinogens than li...

MIT: Jeremy Nathans to deliver Scolnick Prize lecture

...identified the genes for the three color-sensitive pigment proteins in the human retina. He showed that mutat...rms of color blindness, and that the red and green pigment genes are on the X-chromosome, which is why red-gr...ular basis of color vision, the discovery of these pigment proteins and the related protein rhodopsin was imp...
Pigment in Biological Technology

First step to converting solar energy using 'artificial leaf'

...at nano scale They are the subject of dreams: artificial forests at nano scale. Or pavements and motorways where gaps in the surface are filled with pigment molecules that collect sunlight and convert it into fuel and other forms of clean energy. But before this can happen, artificial photosynthesis syst...

Assessment of safety and efficacy of human embryonic stem cell therapy

... Inc. (OTC:ACTC.PK) and its collaborators at OHSU reported today the long-term safety and efficacy of human embryonic stem cell (hESC)-derived retinal pigment epithelium (RPE) produced under manufacturing conditions suitable for human clinical trials. Two important early potential hESC applications are the u...

Researchers discover method for mass production of nanomaterial graphene

...o uncover new and exciting possibilities. Graphene is created when graphite the mother form of all graphitic carbon, which is used to make the pigment that allows pencils to write on paper is reduced down to a one-atom-thick sheet. Graphene is among the strongest materials known and has an attractiv...

Spectrum Blue Steel's fresh foreign investment at 18 Billion and the Biosphere process spark attention on a global scale

...ce extremely high-quality carbon black. Carbon black is important filler in the rubber industry and next to titanium dioxide; it is the most important pigment in printing inks, toners, single-ply roofing, paints, and plastics. Electricity The Biosphere System produces 5 megawatts of electricity an hour ...

Northwestern chemist investigates lost reds in Homer painting

...://www.artic.edu/aic/collections/exhibitions/homer/resource/624 .) Van Duyne says that conservation scientists are unlocking the secrets of dye and pigment analysis, and that in the future such analysis will help conservators determine forgery, authenticity, exact provenance and best restoration methods. ...

New approach may render disease-causing staph harmless

...e bodys immune cells to prevail against the infection. A golden-colored pigment called a carotenoid gives the S. aureus bacterium its edge. Aureus is Latin...pointed how these drug candidates bound to the bacterial enzyme to shut off pigment production, Wang said. The new findings are particularly promising becaus...
Pigment in Biological Products

Autofluorescence Eliminator Reagent from CHEMICON

Description:... With increasing age, the autofluorescent pigment lipofuscin accumulates in the cytoplasm of many cell types, including neurons. The presence of lipofuscin granules can complicate the use of fluoresce...
Company:CHEMICON

Mouse Anti-Rhodopsin Monoclonal Antibody, Unconjugated, Clone RET-P1 from GeneTex

Description:... Mouse monoclonal [RET-P1] to Rhodopsin Rhodopsin is a glycoprotein which is a visual pigment in mammals, birds, amphibians, and reptiles. The rhodopsin protein is present on the photoreceptor cells in the retina. Immunogen: Membrane prepara...
Company:GeneTex
Pigment in Biological Definition

Pigment

In biology , pigment is any material resulting in color in plant or animal cells which is the result of selective absorption. Some biological material has so-called structural color, which is the result of selective reflection or iridescence , usually done with multilayer structures. Unlik...

Albinism

...vents the body from making the usual amounts of a pigment called melanin . There are many genes which ar...mation). People with albinism lack this protective pigment in their skin, and can burn easily from exposure t...hought be out-weighed by the trauma. The lack of pigment in the eye generally leads to ocular photophobia o...

Blood

...in crustaceans and mollusks . It is thought that tunicates (sea squirts) might use vanabins ( proteins containing vanadium ) for respiratory pigment (bright green, blue, or orange). In many invertebrates, these oxygen-carrying proteins are freely soluble in the blood; in vertebrates they are cont...

Chlorophyll

... Chlorophyll Ancient Greek : chloros = green and phyllon = leaf. It is a green photosynthetic pigment found in plants , algae , and cyanobacteria . The first step in photosynthesis is when incoming light is absorbed by chlorophyll, ionizing it. ...

Halobacteria

... and organic material are available. Large blooms appear reddish, from the pigment bacteriorhodopsin . This pigment is used to absorb light, which provides energy to create ATP . The proces...

Photosynthesis

...y different in detail. Fallen leaf. Areas where green chlorophyll has been destroyed now appear yellow Plants capture light using the pigment chlorophyll , which gives them their green color . This is contained in organelles (compartments within the cells ) called chloroplasts . Al...
Pigment in Biological Dictionary

Pigment

A pigment is the material that changes the color of light it reflects as the result of selective color absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which... Pigment color differs from structural color in that it is the s...

Xanthophyll

...lls (originally phylloxanthins) are yellow pigments from the carotenoid ... In diatoms and dinoflagellates the xanthophyll cycle consists of the pigment ... xanthophyll ( ) n. A yellow carotenoid pigment, C 40 H 56 O 2 , found with chlorophyll in green plants and identical with lutein What i...

Rod cells

...nson ... Cytokines & Cells Online Pathfinder Encyclopaedia ... Rod cells possess a non-motile cilium that contains the light-sensitive pigment ... Rod cell in N Eng J Med, Lancet, JAMA, BMJ from Pubmed ... NeLH on Rod cell . NHS Evidence on Rod cell ... Medpedia on Rod cell ...

Rhodophyta

... phylum Rhodophyta . ... Defining the major lineages of red algae ( Rhodophyta )" (PDF) ... Rhodophyta , commonly called red algae, have the pigment phycoerythrin, which ... That makes rhodophyta looks red, and let them live in greater dept water with ... Background and Divisional Characteris...

Rhodopsin

... Rhodopsin , also known as visual purple, is a pigment of the retina that is responsible for both the ... belong to the G-protein... rhodopsin n. The pigment sensitive to red light in the retinal rods of the... are expected to carry over to ... The visual pigment rhodopsin was originally extracted from bovine ...

Proglottid

...the proglottid will move itself away from the dog's ... Britannica online encyclopedia article on proglottid (zoology), ...the presence of two pigment spots, which are primitive eyes. In the case of the tapeworm, the ... Each proglottid contains a complete set of male and female reproductive or...
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(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
(Date:4/16/2014)... improves during childhood, associated with structural changes in ... parietal cortices. New research from UC Davis is ... crucial time. Eventually, that could give insights into ... and during adolescence and affect memory, such as ... middle of the brain, the hippocampus plays a ...
(Date:4/16/2014)... of Dr. Martin Prechtl, Leo Heim and their colleagues ... discovered a new method of generating hydrogen using water ... of particular interest when it comes to fuel cell ... mild hydrogen production using water and formaldehyde", have recently ... , Among other applications, the new approach can be ...
(Date:4/15/2014)... Tucked away in Hartford, Connecticut, a Puerto Rican community ... cuisine that is so authentic it has caught the ... and Gregory J. Anderson (University of Connecticut) took a ... Rican markets of Hartford and uncovered evidence that gives ... been using for years: home is in the kitchen. ...
Breaking Biology News(10 mins):How kids' brain structures grow as memory develops 2The human food connection: A new study reveals more about our relationship to food 2The human food connection: A new study reveals more about our relationship to food 3
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