News tagged with muscle cells
UCSF scientists controlled seizures in epileptic mice with a one-time transplantation of medial ganglionic eminence (MGE) cells, which inhibit signaling in overactive nerve circuits, into the hippocampus, a brain region associated ...
Neuroscience May 05, 2013 | 4.5 / 5 (14) | 2 |
(Medical Xpress)—Scientists have discovered a hormone that causes the body's insulin-producing factories, beta cells, to churn out more of themselves. Having enough insulin is critical to regulating the amount of sugar ...
Medical research Apr 29, 2013 | 5 / 5 (7) | 0 |
Researchers at Washington University School of Medicine in St. Louis have described a missing link in understanding how damage to the body's cellular power plants leads to Parkinson's disease and, perhaps ...
Medical research Apr 25, 2013 | 5 / 5 (6) | 0 |
Johns Hopkins researchers believe they may have discovered an explanation for the sleepless nights associated with restless legs syndrome (RLS), a symptom that persists even when the disruptive, overwhelming nocturnal urge ...
Neuroscience May 07, 2013 | 4.4 / 5 (5) | 1 |
(Medical Xpress)—UC San Francisco scientists have discovered that muscle repair requires the action of two types of cells better known for causing inflammation and forming fat.
Medical research Apr 19, 2013 | 5 / 5 (4) | 1 |
New research out of the Lillehei Heart Institute at the University of Minnesota shows that by turning on just a single gene, Mesp1, different cell types including the heart, blood and muscle can be created from stem cells.
Genetics May 02, 2013 | 5 / 5 (4) | 0 |
(Medical Xpress)—Exercising at the time of having a flu shot may increase the success of vaccination according to a University of Sydney researcher.
Immunology Apr 23, 2013 | 5 / 5 (3) | 0
The protein complex mTORC1 promotes muscle growth. However, should this complex remain constantly active, it impairs the ability of the cells to self-clean, causing myopathy. Scientists working with Markus ...
Medical research Apr 23, 2013 | 5 / 5 (3) | 0
Stanford University School of Medicine scientists have created a mouse model of muscular dystrophy in which degenerating muscle tissue gives off visible light. The observed luminescence occurs only in damaged muscle tissue ...
Medical research Apr 24, 2013 | 5 / 5 (3) | 0 |
Duke University biomedical engineers have grown three-dimensional human heart muscle that acts just like natural tissue. This advancement could be important in treating heart attack patients or in serving as a platform for ...
Medical research May 06, 2013 | 5 / 5 (3) | 0 |
(Medical Xpress)—Membrane fusion is a highly regulated event, both inside cells, and between them. From the moment a sperm first fuses with an egg, subsequent developmental events depend upon its proper ...
Medical research Apr 26, 2013 | 4.3 / 5 (3) | 0 |
(Medical Xpress)—Scientists are a step closer to being able to repair damaged human heart tissue thanks to a world leading research collaboration between the University of Sydney and Harvard University.
Cardiology Apr 29, 2013 | 5 / 5 (2) | 0 |
(Medical Xpress)—Cornell researchers have uncovered the basic cell biology that helps explain heart defects found in diseases known as laminopathies, a group of some 15 genetic disorders that include forms ...
Medical research May 07, 2013 | 5 / 5 (2) | 0 |
Many diseases – obesity, Type 2 diabetes, muscular dystrophy – are associated with fat accumulation in muscle. In essence, fat replacement causes the muscles to weaken and degenerate.
Medical research Apr 30, 2013 | 4.5 / 5 (2) | 0 |
(HealthDay)—Lower levels of abdominal muscle strength and cardiorespiratory fitness (CRF) in youth are independently associated with adverse levels of fasting insulin, insulin sensitivity, and β-cell function ...
Diabetes Apr 25, 2013 | 5 / 5 (1) | 0
Muscle (from Latin musculus, diminutive of mus "mouse") is the contractile tissue of the body and is derived from the mesodermal layer of embryonic germ cells. Muscle cells contain contractile filaments that move past each other and change the size of the cell. They are classified as skeletal, cardiac, or smooth muscles. Their function is to produce force and cause motion. Muscles can cause either locomotion of the organism itself or movement of internal organs. Cardiac and smooth muscle contraction occurs without conscious thought and is necessary for survival. Examples are the contraction of the heart and peristalsis which pushes food through the digestive system. Voluntary contraction of the skeletal muscles is used to move the body and can be finely controlled. Examples are movements of the eye, or gross movements like the quadriceps muscle of the thigh. There are two broad types of voluntary muscle fibers: slow twitch and fast twitch. Slow twitch fibers contract for long periods of time but with little force while fast twitch fibers contract quickly and powerfully but fatigue very rapidly.
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