In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a "fairy tale," rooted in cultural beliefs about ...
Social Sciences
Oct 1, 2023
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52
Researchers at Weill Cornell Medicine have illuminated one of the important ways that cells respond to stress. The findings could also be relevant to Alzheimer's, ALS and other diseases in which this mechanism may be abnormally ...
Cell & Microbiology
Sep 28, 2023
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2
Teff, a gluten-free grain historically grown in East Africa but increasingly available in the United States, seems to have antioxidant properties in human cells, say UNC Greensboro (UNCG) researchers. Their study, which examined ...
Cell & Microbiology
Sep 28, 2023
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170
A study published in the journal Science Bulletin was led by Profs. Xiao-Long Zhou and En-Duo Wang (CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy ...
Cell & Microbiology
Sep 27, 2023
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2
Glycosylation is the attachment of carbohydrates to the backbone of a protein through an enzymatic reaction. It plays a critical role in determining protein structure, function and stability. A protein that is glycosylated ...
Biochemistry
Sep 27, 2023
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1
To investigate potential early steps taken by the first life to develop on Earth, researchers have been studying a model of pre-life protocells comprising membraneless compartments. Now, a team of Penn State scientists have ...
Biochemistry
Sep 27, 2023
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1
Every system has its waste disposal system. The cell organelles known as "peroxisomes" dispose of toxic substances and fats in the human body, among other things, and, in doing so, they prevent serious illnesses. The "Pex" ...
Biotechnology
Sep 26, 2023
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7
Scientists can do some nifty things with microbes, including engineering bacterial cells to sense and signal the presence of specific compounds. These microbial whole-cell biosensors have numerous purposes, from detecting ...
Cell & Microbiology
Sep 26, 2023
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1
Fluorescence-guided intervention strategies can improve standard therapies to detect and treat microscopic tumors to thereby prevent lethal recurrence. Cancer biologists have made tremendous progress in photoimmunotherapy ...
MicroRNAs are small molecules that regulate gene activity by binding to and destroying RNAs produced by the genes. More than 60% of all human genes are estimated to be regulated by microRNAs; therefore, it is not surprising ...
Cell & Microbiology
Sep 21, 2023
0
23
