A honey bee becomes a royal queen or a common worker as a result of the food she receives as a larva. While it has been well established that royal jelly is the diet that makes bees queens, the molecular path from food to ...
Plants & Animals
Nov 10, 2011
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Researchers at the University of Texas Medical Branch at Galveston and the University of California-San Diego School of Medicine have published a study that offers a new understanding of a protein critical to physiological ...
Biochemistry
May 17, 2011
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(PhysOrg.com) -- University of California, Berkeley, biologists have found a signal that keeps stem cells alive in the adult brain, providing a focus for scientists looking for ways to re-grow or re-seed stem cells in the ...
Cell & Microbiology
Mar 25, 2010
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As we are approaching the 100th anniversary of the discovery of insulin, a wide array of its signaling pathways has been defined. However, the initial step in insulin action, i.e. the engagement with its cell-surface receptor ...
Cell & Microbiology
Feb 20, 2018
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Replacing a hydrogen atom by an iodine atom in insulin, the hormone retains its efficacy but is available more rapidly to the organism. Researchers at the University of Basel were able to predict this effect based on computer ...
Biochemistry
Jan 3, 2017
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The body's cell machinery often attaches sugar chains onto proteins to create molecules that play a crucial role in everything from protective immunity to structural stability. However, distinguishing between the different ...
Analytical Chemistry
Nov 30, 2012
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Scientists studying longevity thought it might be good to lack a copy of a gene, called IGF1 receptor, that is important in insulin signaling. Previous studies showed invertebrates that lacked the copy lived longer, even ...
Biochemistry
Nov 23, 2011
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