Feathers evolved in dinosaurs and are a key characteristic of birds today. They are arranged in a precise hexagonal pattern in a bird's skin, but it has been unclear how this happens. According to a new study published February ...
Cell & Microbiology
Feb 21, 2019
0
135
Zebrafish aren't just surrounded by liquid, but turn liquid—in part—during their development. As the zebrafish embryo develops from a ball of cells to a fully-formed fish, a region of the embryo switches its phase from ...
Cell & Microbiology
Dec 17, 2018
0
16
Tiny microscopic worms, invisible to the naked eye, are helping scientists to better understand an extraordinarily complex biological pathway that connects fat to overall health and aging in humans.
Cell & Microbiology
Nov 13, 2018
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82
To predict the effects of a compound on the human body, researchers assess its biological activity, which requires pinpointing the affected biological processes within cells. Considering that living cells comprise many biological ...
Biotechnology
Sep 27, 2018
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31
Cells need to react to environmental changes and maintain a balanced system of signaling cascades within the cell. Proteins outside of the cell, on the cellular surface, inside the cellular membrane, and within the cell orchestrate ...
Biochemistry
Sep 20, 2018
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25
Researchers at the University of Iowa have discovered that a molecule which can sense the swelling of fat cells also controls a signaling pathway that allows fat cells to take up and store excess glucose. Mice missing this ...
Cell & Microbiology
May 25, 2017
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7
A new procedure developed at Massachusetts General Hospital (MGH) may revolutionize the culturing of adult stem cells. In their report that has been published online prior to its appearance in the August 6 issue of Cell Stem ...
Cell & Microbiology
Jun 16, 2016
0
13
The front line of the human immune system is made up of T-cells: white blood cells that circulate in the body and scan for foreign invaders and infections. If a T-cell surface receptor detects a threat during its surveillance, ...
Cell & Microbiology
Apr 11, 2016
0
659
During an animal's embryonic development, a chemical chain reaction known as Hippo directs organs to grow to just the right size and no larger. Now Johns Hopkins researchers working with laboratory flies report that this ...
Cell & Microbiology
Jan 28, 2016
0
7
Steroid hormones - hormones such as testosterone and estradiol - control various aspects of animal biology and are crucial for the proper functioning of the body. Produced and secreted by endocrine glands in the body, these ...
Cell & Microbiology
Nov 5, 2015
0
24
