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Tag: "hair" at biology news

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...s that make and store the pigments in the skin and hair ?is also expressed in adult stem cells in the skin. "Our findings told us that a recapitulation of an embryonic program is occurring in resident stem cells in adult skin," explains Jon Epstein, MD, Professor of Medicine, Cardiovascular Division. "Th...

Scientists discover the cellular roots of graying hair

... say they have found the cellular cause of graying hair whileinvestigating the origins of malignant melano...adlyskin cancer. Thescientists traced the loss of hair color to the gradual dying off ofadult stem cells that form a reservoir that spawns a continuous sup...

Fundamental Finding Yields Insight into Stem Cells, Cancer; Opens Door to Drug Discovery

... say they have found the cellular cause of graying hair whileinvestigating the origins of malignant melano...adlyskin cancer. Thescientists traced the loss of hair color to the gradual dying off ofadult stem cells that form a reservoir that spawns a continuous sup...

Weizmann Institute scientists develop a new approach for directing treatment to metastasized prostate cancer in the bones.

... say they have found the cellular cause of graying hair whileinvestigating the origins of malignant melano...adlyskin cancer. Thescientists traced the loss of hair color to the gradual dying off ofadult stem cells that form a reservoir that spawns a continuous sup...

U-M scientists find genes that control growth of common skin cancer

...pes, ultimately capable of assembling fully-formed hair follicles.These results suggest that BCCs contain ...of multi-lineagedifferentiation, similar to normal hair follicle stem cells from whichthey may arise.If the results of this study are applicable to human BC...

Same mutation aided evolution in many fish species, Stanford study finds

...t mutations in the same gene in mice cause altered hair patterns. However, in mice similar alterations can also be created by defects in any one of three different genes. "Based on the mouse work you'd predict we would find mutations in any of the three genes in sticklebacks," said Kingsley, who is also a...

Researchers trace evolution to relatively simple genetic changes

...lopment and instructs certain cells to form teeth, hair and sweat glands. It also seems to control the shape of - bones in the forehead and nose. Now, Kingsley said, "it turns out that armor plate patterns in the fish are controlled by the same gene that creates this clinical disease in humans. And this ...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

...lopment and instructs certain cells to form teeth, hair and sweat glands. It also seems to control the shape of - bones in the forehead and nose. Now, Kingsley said, "it turns out that armor plate patterns in the fish are controlled by the same gene that creates this clinical disease in humans. And this ...

Alcohol's effects on gene expression in the central nervous system

...nes ?giving us, for example, unique eyes, skin, or hair ?is that only some genes are used or 'turned on' in each cell. This is called gene expression." McBride said that researchers now know that alcohol can change gene expression in the brain, and that these changes are likely responsible for many of th...

Zebrafish may hold key to understanding human nerve cell development

...uses on the development ofsensory neurons known as hair cells. Like humans, zebrafish use haircells to detect sound and motion. However, in humans hair cells areburied deep inside the inner ear making them difficult to access. Haircells in zebrafish ar...

Harmful Bacterium Commonly Found in Poultry May Survive Refrigeration and Frozen Storage Combined

...uses on the development ofsensory neurons known as hair cells. Like humans, zebrafish use haircells to detect sound and motion. However, in humans hair cells areburied deep inside the inner ear making them difficult to access. Haircells in zebrafish ar...

GenMAPP 2.0 released

...uses on the development ofsensory neurons known as hair cells. Like humans, zebrafish use haircells to detect sound and motion. However, in humans hair cells areburied deep inside the inner ear making them difficult to access. Haircells in zebrafish ar...

Breakthrough method in nanoparticle synthesis paves the way for new pharmaceutical and biomedical applications

...izes in the range of 5-30 nm (The width of a human hair is approximately 80,000 nm). “The nanoporous nanoparticles are named after our Institute, termed ‘IBN-1?to ‘IBN-5? They represent a new class of materials that are tailored simultaneously with nanometer-scale particle size and nanometer-sized pores....

New Treatment Rivals Chemotherapy For Lymphoma, Study Finds

...se many unpleasant side effects, including nausea, hair loss and infections. Follicular lymphoma is the s...nts several weeks after the treatment. There is no hair loss and nausea is rare. Results from this study are even more promising than results using Bexxar ...

Hirsute Or Hairless? Two Proteins May Spell The Difference

If you're a cat fancier, you're well aware that hair follicles are expendable. The product of a spontan...r hand, can be very instructive. Understanding how hair develops sheds light on the fundamental processes that generate a wide range of tissues and organs, ...

Bioelectronic ‘signatures?hold key to DNA mutations

...cessarily cause a mutation or determine our eye or hair color ?but, on average, SNPs occur about once in every 1,000 DNA bases, adding up to 3 million potential individual differences across the human genome. Wang’s method allows for an accurate, ultra-sensitive, rapid and low-cost identification of these...

Grizzlies set to invade high Arctic?

...es including a prominent shoulder hump, dark brown hair on and around the rear legs, and faded (grizzled) hair on the rest of the body. Then in the summer of 2004, Dr. England's research group found physical pr...

Cellular Defects in Premature Aging Disease are Reversible

... physical symptoms include stunted growth, loss of hair and body fat, joint stiffness, osteoporosis, and heart problems. The condition is fatal, with heart disease being the leading killer, and affected children usually die before they reach their late teens. Less than two years ago, NIH-led researchers ...

Tendency to hair loss inherited from the mother

...ceding hairlines, the forehead becomes higher, the hair at the back of the man's head gets thinner and thi...r. Every second man suffers from greater or lesser hair loss. There are hardly any successful counter-measures ?despite an enormous range of obscure lotions...

A New Species of Monkey is Discovered in Tanzania: The First in Africa for More Than 20 Years

...m). It is characterized by a long, erect crest of hair on its head, elongated cheek whiskers, an off-white belly and tail, and an unusual call, termed a 'honk-bark' by the authors. The monkeys occur as high as 8,000 ft (2450 m) where temperatures frequently drop below freezing; its long coat is probably...

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