News tagged with pigment cells
Designing a dye you can count on
Natural substances such as chlorophyll and the heme pigment of red blood cells contain colorful molecules known as porphyrins. They owe their exceptional visual characteristics to a ‘macrocyclic’ ...
May 24, 2012 |
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Plants may have a single ancestor
(PhysOrg.com) -- An international group of scientists has analyzed the DNA of primitive microscopic algae, and their findings suggest that all plants on Earth may have had a single ancestor.
Feb 17, 2012 |
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Researchers discover mechanism that helps humans see in bright and low light
Ever wonder how your eyes adjust during a blackout? When we go from light to near total darkness, cells in the retina must quickly adjust. Vision scientists at Washington University School of Medicine in St. ...
Medicine & Health / Neuroscience
Oct 13, 2009 |
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Fish oil protects against diseases like Parkinson's, study
Dr. Nicolas Bazan, Director of the Neuroscience Center of Excellence, Boyd Professor, and Ernest C. and Yvette C. Villere Chair of Retinal Degenerative Diseases Research at LSU Health Sciences Center New Orleans, will present ...
Apr 19, 2009 |
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Study of stem cell diseases advanced by new technique
A rare genetic disease called dyskeratosis congenita, caused by the rapid shortening of telomeres (protective caps on the ends of chromosomes), can be mimicked through the study of undifferentiated induced pluripotent stem ...
May 23, 2011 |
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Lasers ID deadly skin cancer better than doctors
High-resolution images from a laser-based tool developed at Duke University could help doctors better diagnose melanoma, the deadliest form of skin cancer, while potentially saving thousands of lives and millions of dollars ...
Feb 23, 2011 |
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The self-made eye: Formation of optic cup from ES cells
Groundbreaking research from the RIKEN Center for Developmental Biology (CDB) shows how mouse stem cells spontaneously form into optic cups, the precursors of eyes. A report on this research, published this week in Nature, sheds ...
Apr 06, 2011 |
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Researchers report progress using iPS cells to reverse blindness
Researchers have used cutting-edge stem cell technology to correct a genetic defect present in a rare blinding disorder, another step on a promising path that may one day lead to therapies to reverse blindness ...
Jun 15, 2011 |
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Bioelectrical signals turn stem cells' progeny cancerous
Biologists at Tufts University School of Arts and Sciences have discovered that a change in membrane voltage in newly identified "instructor cells" can cause stem cells' descendants to trigger melanoma-like ...
Medicine & Health / Medical research
Oct 19, 2010 |
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Novel nanoparticles prevent radiation damage (w/ Video)
Tiny, melanin-covered nanoparticles may protect bone marrow from the harmful effects of radiation therapy, according to scientists at Albert Einstein College of Medicine of Yeshiva University who successfully tested the strategy ...
Nanotechnology / Bio & Medicine
Apr 26, 2010 |
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When it comes to security, think 'natural'
Security systems could be more effective if officials looked at how organisms deal with threats in the natural world, University of Arizona researchers suggest in the May 20 edition of the journal Nature.
May 20, 2010 |
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Stem cells restore sight in mouse model of retinitis pigmentosa
An international research team led by Columbia University Medical Center successfully used mouse embryonic stem cells to replace diseased retinal cells and restore sight in a mouse model of retinitis pigmentosa. This strategy ...
Medicine & Health / Medical research
Feb 24, 2010 |
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Stress makes your hair go gray
Those pesky graying hairs that tend to crop up with age really are signs of stress, reveals a new report in the June 12 issue of Cell.
Jun 11, 2009 |
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Flexible adult stem cells, right there in your eye
In the future, patients in need of perfectly matched neural stem cells may not need to look any further than their own eyes. Researchers reporting in the January issue of Cell Stem Cell, a Cell Press publication, have identi ...
Jan 05, 2012 |
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Clinical trials of spray-on skin to start in US
(PhysOrg.com) -- Clinical trials comparing a spray-on skin product with skin grafts will start in the US in December. The trials, which are partly funded by a US army grant of $1.4 million, will last about a year and will ...
Medicine & Health / Medical research
Nov 24, 2009 |
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