The transport of ions to and from a cell is controlled by pore-forming proteins embedded in the cell membrane. In particular, voltage-gated sodium channels (VGSCs) govern the transfer of sodium (Na+) ions, and play an important ...
Cell & Microbiology
Jan 18, 2024
0
1
There's no doubt that exercise does a body good, including strengthening and toning our muscles. But how exactly does exercise make this happen?
Biochemistry
Oct 20, 2023
0
73
One of the main ways cells "talk" to each other to coordinate essential biological activities such as muscle contraction, hormone release, neuronal firing, digestion and immune activation is through calcium signaling.
Bio & Medicine
Jul 10, 2023
0
66
Although most early dinosaurs were vegetarian, there were surprising differences in the way that these animals tackled eating a plant-based diet, according to a new study by scientists from the Natural History Museum and ...
Paleontology & Fossils
Jan 4, 2023
0
261
Electrostatic actuators are simple and lightweight devices that emulate human muscles. However, their usage has primarily been restricted to moving small devices since they need high voltages to generate significant forces. ...
General Physics
Nov 17, 2022
0
16
There's a long history and growing evidence base that the use of performance enhancing drugs such as anabolic-androgenic steroids to build muscle mass and strength is common in the armed forces, including in Australia.
Social Sciences
Aug 4, 2022
0
8
Among the many functions performed by skeletal muscles, an important one is maintaining our posture. If it weren't for these muscles, Earth's gravitational pull may make it difficult for us to stand and walk around. The group ...
Space Exploration
Jul 18, 2022
0
48
How are the different shapes of our organs and tissues generated? To answer this question, a team from the University of Geneva (UNIGE), Switzerland, forced muscle cells to spontaneously reproduce simple shapes in vitro. ...
Biochemistry
Feb 14, 2022
0
37
The ability of cells to sense and respond to their mechanical environment is critical for many cellular processes but the molecular mechanisms underlying cellular mechanosensitivity are still unclear. Researchers at the University ...
Cell & Microbiology
Dec 18, 2020
0
19
Biologists and biomedical engineers are proposing to define the term "yank" for changes in force over time, something that our muscles and nerves can feel and respond to.
Other
Sep 13, 2019
2
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