News tagged with developmental
Developmental delay could stem from nicotinic receptor deletion
Nov 08, 2009 |
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The loss of a gene through deletion of genetic material on chromosome 15 is associated with significant abnormalities in learning and behavior, said a consortium of researchers led by Baylor College of Medicine in a report ...
Cellular Source of Most Common Type of Abnormal Heart Beat Found
Nov 02, 2009 |
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(PhysOrg.com) -- While studying how the heart is formed, scientists at the University of Pennsylvania School of Medicine serendipitously found a novel cellular source of atrial fibrillation (AF), the most ...
The skeleton: Size matters
Oct 27, 2009 |
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Vertebrates have in common a skeleton made of segments, the vertebrae. During development of the embryo, each segment is added in a time dependent manner, from the head-end to the tail-end: the first segments to be added ...
Dyslexia varies across language barriers
Oct 12, 2009 |
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Chinese-speaking children with dyslexia have a disorder that is distinctly different, and perhaps more complicated and severe, than that of English speakers. Those differences can be seen in the brain and in the performance ...
Cells in developing tissue consider their history of signaling exposure to determine location
Sep 29, 2009 |
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Researchers at the California Institute of Technology have proposed a novel model that differs from a widely held hypothesis about the mechanisms by which developing animals pattern their tissues and structures.
New study resolves the mysterious origin of Merkel cells
Sep 28, 2009 |
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A new study resolves a 130-year-old mystery over the developmental origin of specialized skin cells involved in touch sensation. The findings will appear in the October 5, 2009 issue of the Journal of Cell Bi ...
Blood vessels contribute to their own growth and oxygen delivery to tissues and tumors (w/ Video)
Sep 14, 2009 |
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Researchers at the University of North Carolina at Chapel Hill School of Medicine and the College of Arts & Sciences have identified a new biological process that spurs the growth of new blood vessels.
Spare gene is fodder for fishes' evolution
Sep 03, 2009 |
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Scientists have suspected that spare parts in the genome—extra copies of functional genes that arise when genes or whole genomes get duplicated -- might sometimes provide the raw materials for the evolution ...
OrbiTouch keyboard: Removing the barriers of autism
Electronics / Consumer & Gadgets
Aug 31, 2009 |
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Autism can build a wall of poor communication between those struggling with the condition and their families. While a personal computer can help bridge the divide, the distraction and complexity of a keyboard ...
When cells run out of fuel
Aug 24, 2009 |
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Parkinson's disease is caused by the degeneration of neurons in the midbrain. The mechanisms leading to the loss of these neurons, however, are largely unknown. Recent research revealed that about ten per cent of cases are ...
Newly discovered signaling pathway ensures that plants remember to flower
Aug 20, 2009 |
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(PhysOrg.com) -- Why do some plants blossom even when days are short and gray? Scientists at the Max Planck Institute for Developmental Biology have found the answer to this question: An endogenous mechanism ...
'Housekeeping' genes play important role in developmental pathways of cells
Aug 20, 2009 |
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A study from the Center for Molecular Genetics at the University of California, San Diego School of Medicine shows that a gene called HPRT plays an important role in setting the program by which primitive or precursor cells ...
Behavioral nutrition is one weapon in obesity fight
Aug 20, 2009 |
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Want your children to eat less? Let them serve themselves. They probably won't dole out a supersize portion on their own.
Major insights into evolution of life reported
Aug 19, 2009 |
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(PhysOrg.com) -- Humans might not be walking the face of the Earth were it not for the ancient fusing of two prokaryotes -- tiny life forms that do not have a cellular nucleus. UCLA molecular biologist James ...
How to make a lung: Cell-regeneration molecules essential signals for early lung development
Aug 17, 2009 |
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A tissue-repair-and-regeneration pathway in the human body, including wound healing, is essential for the early lung to develop properly. Genetically engineered mice fail to develop lungs when two molecules ...
