Finding Nematostella: An ancient sea creature
A study of tentacle-formation in a sea anemone shows how epithelial cells form elongated structures and puts the spotlight on a new model organism.
May 02, 2013
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May 02, 2013
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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. ...
Oct 13, 2009
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Light can detect pre-cancerous colon cells
After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary ...
Oct 11, 2011
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Researchers discover the mechanism that determines cell position in the intestinal epithelium
How do cells know where to position themselves and where to accumulate in order to carry out their functions correctly within each organ? Researchers with the Colorectal Cancer Lab at IRB Barcelona have revealed the molecular ...
Jul 31, 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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Male germ cells can be directly converted into other cell types
Researchers have found a way to directly convert spermatogonial stem cells, the precursors of sperm cells, into tissues of the prostate, skin and uterus. Their approach, described this month in the journal ...
Jul 28, 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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How cells know when to tighten the belt
The epithelial cells that line the surface of tissues form a tightly sealed barrier, with individual cells joined together by structures called apical junctional complexes (AJCs). However, embryonic epithelium ...
Oct 21, 2011
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Bacterium Salmonella enterica regulates virulence according to iron levels found in its surroundings
Salmonella enterica, one of the main causes of gastrointestinal infections, modulates its virulence gene expression, adapting it to each stage of the infection process, depending on the free iron concentration found in the ...
May 10, 2011
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Researchers define a new type of secretory cell in the intestine
The intestinal epithelium consists of four main specialized cell lineages: absorptive enterocytes and three secretory cell types known as enteroendocrine, Paneth, and goblet cells. But a rare, fifth type of ...
Mar 07, 2011
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First patients enroll in US stem cell trials on blindness
The first clinical trials that examine the use of stem cells to treat two forms of blindness are ready to begin now that patients have been enrolled, a US company announced on Thursday.
Jun 16, 2011
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The role of calcium in Randall's plaques (kidney stones)
Randall's plaques are soft tissue calcifications found in the deep renal medulla skirting the surface of the epithelium of the papilla, where they act as nucleating elements for renal calculi or stones. These ...
May 31, 2010
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Stanford investigators decipher how dangerous food-borne pathogen evades body's defenses
Scientists at the Stanford University School of Medicine have pushed into place another piece of the puzzle of how Listeria monocytogenes, a dangerous food-borne pathogen, slips through the intestine's defenses and causes ...
May 13, 2010
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Developing gene therapy to fight blindness
An international team of scientists and clinicians from the United States and Saudi Arabia are working to develop gene therapy for treating a rare, hereditary retinal disease. The therapy has been shown to restore lost vision ...
Jul 29, 2009
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