The human body is built for survival. Each one of its cells is closely guarded by a set of immune proteins armed with nearly foolproof radars that detect foreign or damaged DNA.
Biochemistry
Jul 12, 2018
0
21
Almost every cell in the human body, from beating heart cells to bacteria-gobbling immune cells, is powered by chemical energy produced by specialized organelles called mitochondria. The process of energy generation creates ...
Cell & Microbiology
May 3, 2018
0
17
Harvard Medical School researchers have developed a mathematical tool that can accurately characterize the quantity of proteins in the frog embryo throughout the early stages of development. The tool can also determine which ...
Cell & Microbiology
Dec 4, 2015
0
6
Like a string of pearls, the spine is made of a series of similar vertebrae. A so-called segmentation clock creates this repetitive arrangement in developing embryos: Each time the clock ticks, a vertebra starts to form.
Cell & Microbiology
Sep 27, 2017
0
116
A cross-disciplinary team is calling for public discussion about a potential new way to solve longstanding global ecological problems by using an emerging technology called "gene drives." The advance could potentially lead ...
Biotechnology
Jul 17, 2014
0
0
Name a biological function, and proteins called integrins are probably involved in it.
Biochemistry
Sep 16, 2022
0
35
Scientists have long known that circadian clocks—biochemical oscillators that control physiology, metabolism and behavior on a roughly 24-hour cycle—are present in all forms of life, including animals, plants, fungi and ...
Cell & Microbiology
Sep 7, 2017
0
104
Adult stem cells resemble couch potatoes if they hang out and divide in a dish for too long. They get fat and lose key surface proteins, which interferes with their movement and reduces their therapeutic potential. Now, via ...
Oct 31, 2008
1
0
There are approximately 20,000 human genes that encode proteins, but despite remarkable progress since the human genome was first sequenced more than a decade ago, scientists still understand in detail how only a small fraction ...
Biotechnology
Jul 17, 2015
0
35
Breaks in DNA can wreak havoc in the body, giving rise to cancer and other health problems. Yet sometimes cells rupture their own DNA for a good reason.
Cell & Microbiology
Apr 17, 2017
0
6
