Search results for types of tissues
New origin found for a critical immune response
Mar 01, 2009 |
4.4 / 5 (8) |
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An immune system response that is critical to the first stages of fighting off viruses and harmful bacteria comes from an entirely different direction than most scientists had thought, according to a finding by researchers ...
Gene Expression and Splicing Vary Widely from One Tissue to the Next
Biology /
Dec 23, 2008 |
5 / 5 (3) |
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(PhysOrg.com) -- Genes talk to themselves and to each other to control how a given cell manufactures proteins. But variation in the control of the same gene in two different tissues may contribute to certain human traits, ...
Skin-like tissue developed from human embryonic stem cells
Jul 21, 2009 |
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Dental and tissue engineering researchers at Tufts University School of Dental Medicine and the Sackler School of Graduate Biomedical Sciences at Tufts have harnessed the pluripotency of human embryonic stem cells (hESC) ...
Male germ cells can be directly converted into other cell types
Jul 28, 2009 |
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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 ...
Marking of tissue-specific crucial in embryonic stem cells to ensure proper function
Dec 16, 2009 |
5 / 5 (1) |
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Tissue-specific genes, thought to be dormant or not marked for activation in embryonic stem cells, are indeed marked by transcription factors, with proper marking potentially crucial for the function of tissues derived from ...
Conserved gene expression reveals our 'inner fish'
Apr 16, 2009 |
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A study of gene expression in chickens, frogs, pufferfish, mice and people has revealed surprising similarities in several key tissues. Researchers writing in BioMed Central's open access Journal of Biology have shown that e ...
'Scrawny' gene keeps stem cells healthy
Biology /
Jan 07, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Stem cells are the body's primal cells, retaining the youthful ability to develop into more specialized types of cells over many cycles of cell division. How do they do it? Scientists at the ...
Researchers Create an Epic Genetic Atlas of Rice
Biology /
Jan 05, 2009 |
3.8 / 5 (4) |
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(PhysOrg.com) -- Yale researchers have published a cellular atlas of genetic activity in rice, documenting with unprecedented detail how and when genes are turned off and on within cells of a living organism.
Don't go changing: New chemical keeps stem cells young
Biology /
Feb 03, 2009 |
5 / 5 (2) |
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Scientists at the Universities of Bath and Leeds have discovered a chemical that stops stem cells from turning into other cell types, allowing researchers to use these cells to develop new medical treatments ...
Process for expansion and division of heart cells identified
Biology /
Feb 17, 2009 |
5 / 5 (1) |
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Researchers at the Gladstone Institute of Cardiovascular Disease (GICD) and the University of California, San Francisco have unraveled a complex signaling process that reveals how different types of cells interact to create ...
Scientists deconstruct cell division
Biology /
Feb 08, 2009 |
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The last step of the cell cycle is the brief but spectacularly dynamic and complicated mitosis phase, which leads to the duplication of one mother cell into two daughter cells. In mitosis, the chromosomes ...
Study shows promise for new cancer-stopping therapy
Jun 11, 2009 |
3.4 / 5 (5) |
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Researchers at Nationwide Children's Hospital and Johns Hopkins University have discovered that delivering a small molecule that is highly expressed in normal tissues but lost in diseased cells can result in tumor suppression.
Ice Cold: Cooler Than Being Cool
Nov 24, 2009 |
4.2 / 5 (10) |
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(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...
Ancient muscle tissue extracted from 18 million year old fossil
Other Sciences / Archaeology & Fossils
Nov 05, 2009 |
4.7 / 5 (10) |
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(PhysOrg.com) -- Scientists have extracted organically preserved muscle tissue from an 18 million years old salamander fossil. The discovery by researchers from University College Dublin, the UK and Spain, ...
Delivering medicine directly into a tumor
Dec 07, 2009 |
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Researchers at Burnham Institute for Medical Research at University of California, Santa Barbara have identified a peptide (a chain of amino acids) that specifically recognizes and penetrates cancerous tumors but not normal ...
