Tag: "arms" at biology news

ZymoGenetics researchers identify novel Interleukin that plays key role in immune system regulation

...ctivate components of both the innate and acquired arms of the immune system," noted Frank Collins, Senior Vice President of Research at ZymoGenetics. "Because IL-21 promotes the proliferation and expansion of cells needed to defend against invaders, the molecules may have broad utility in therapeutic app...

Science: Prion proteins may signal trouble -- literally

...ve-cell surfaces, particularly in the outstretched arms of neurons called neurites, which collect and integrate information from other neurons. Normal prions appear to participate in a signaling "cascade" that activates an enzyme called "Fyn," The Fyn enzyme is a tyrosine kinase capable of stimulating m...

Virginia Tech teams with US Army on exercise research

...isokinetic resistance exercise on the non-dominant arms and legs of participants. The exercises do not employ free weights for resistance but use a special exercise machine, the Biodex, which controls the speed of the working muscles, thus allowing expression of more force than free weights over the entir...

Even the Immune System works with Pincers

... both "arms" of their Y-shaped structure. These arms are called Fab fragments (Fab=fragment antigen binding). Via Fc receptors (Fc=Fragment crystalline), which recognize a distinct structure in the "stem" region of the Y-shaped structure (Fc fragment), immune cells (leukocytes and lymphocytes...

Summer 2000 techNotes

...tegration Agency that tracks an inventory of small arms while stored in armories or checked out and used in the field. Pacific Northwest engineers designed these RF tags to be securely mounted inside an M-16 rifle's grip and to hold a rifle's serial number for identification. Inventory control personnel...

UF researcher: gene therapy effective in animal studies of Parkinson's disease

...isorder, which is characterized by rigidity in the arms and legs, tremors and movement difficulties. Some of the symptoms can be alleviated with medications such as levodopa, a drug that converts to dopamine in the brain, but their effectiveness lessens over time. Surgery also can minimize some effects, b...

NLM exhibit features Nobelist Joshua Lederberg

...mitment in areas like environmental protection and arms control, Lederberg has bridged the gap between science and society." Dr. Donald A.B. Lindberg, NLM Director, stated, "Joshua Lederberg is a seminal figure in the world of molecular biology and he has deservedly earned the sobriquet, 'father of molecu...

UF researchers find painless electrical stimulus helps restore hand movement for stroke patients

...e over, making it harder for patients to use their arms at all and leading to more pain and discomfort," Wolf said. Cauraugh speculates the electrical impulses may help reactivate the blocked communication pathway between the brain and the wrist or finger muscles, or encourage alternate pathways to form....

Virus linked to Kaposi's sarcoma sabotages immune system with a new and unusual strategy

...ated herpesvirus (KSHV) is a novel strategy in the arms race between viruses and the immune system, says D...ing the new research. In the virus-immune system arms race, each new deployment by one side is met with a riposte from the other, Ganem says. "And there's...

Scientists find unique nuclear DNA structure

...region at the end of each of the two short protein arms houses the receptors that recognize and bind with ...ates the antigen-binding pockets topping the short arms of the immunoglobulins.] "We've identified a structure integral to part of the immune system, and we...

New link uncovered in nerve cell mechanism thought to power learning and memory

...on induction of LTP (dendrites are the branch-like arms of neurons that receive synaptic inputs.) This study demonstrated that during LTP induction, some AMPA receptors move rapidly from interior locations within dendrites into regions that contain synapses called dendritic spines. The increased presence ...

Mouse embryo hints at how mammalian body forms

...egs of frogs, the wings of butterflies and the arms and legs of humans. And the force that directs gastrulation is "the key," says Pedersen, UCSF professor of obstetrics, gynecology and reproductive sciences, and a co-author of the study, "to understanding how the body forms." The researche...

$500,000 gift launches new clinical research effort in peripheral neuropathy

...including progressive numbness and weakness in the arms and legs and pain in the hands and arms, legs and feet. The goals of the research effort include finding better and more specific ways to diagnose and treat peripheral nerve damage, to assess motor and sensory nerve function and to monitor the effe...

University of Pittsburgh study suggests herpes-delivered gene could provide long-term, systemic therapy for peripheral neuropathy

...olution for patients with peripheral neuropathy in arms andlegs resulting from diabetes or exposure to chemotherapy, for instance. Peripheral neuropathy is a broad term describing damage to nerves that areimportant in relaying sensory signals from body parts like the skin, muscles andinternal organs to th...

Geologists at UNC-CH discover state's 'most spectacular' fossils

...hat somethingleft fresh-looking tooth marks on its arms that had never healed," the geologistsaid. "It may have died because it was being attacked in or near the lake, or itwas wounded just before it died. The body probably got washed into the lake orriver and was then buried very quickly." Among t...

Plants, pathogens engage in trench warfare

...sceptibility genes over long periods of time. "The arms race theory has been a generally accepted model fo...ur results were surprising indemonstrating that an arms race is not occurring for the resistance gene westudied." The researchers focused on the Rpm1 gene i...

Biology, engineering jointly train students in neuro-mechanics

...vices implanted in the body to restore movement to arms and legs lost through spinal cord injuries. The first motor system neuroprosthesis approved by the FDA restores hand grasp function for individuals with spinal cord injury. It was developed by CWRU biomedical engineers with funding from the National...

UI researchers advance potential, potent way to stimulate human immune system

...ls, a type of white blood cell, link the primitive arms of theimmune system with the more sophisticated acquired immune system by producingchemical signals that activate other immune cells and "tell" them what to fight.The research team evaluated the effects of CpG alone and in combination with aglycoprot...

Vitamin C levels linked to amount of lead in blood

...eral neuropathy(pain, numbness, or tingling of the arms and legs). In children, signs of acutepoisoning are anemia, abdominal pain and nervous system disorders. At sub-acutelevels of lead poisoning, there are often no symptoms, but such levels can causemental retardation, loss of cognitive function, lang...

Stimulation technique holds new promise for spinal cord injuries

...ence of people with quadriplegia (paralysis of the arms and legs) and paraplegia (paralysis of the legs). Most current neural prosthetic systems either use muscle-based electrodes that are placed on or in the skeletal muscle andactivate the nerve as it enters the muscle, or they employ nerve-based electro...

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(Date:10/25/2014)... blood supply to an arm or a leg before heart ... according to a new study. "During heart surgery ... to be able to operate on it. After some time ... produce energy because it doesn,t get oxygen. When we shut ... an arm or a leg, the body prepares for an ...
(Date:10/25/2014)... (HealthDay News) -- Researchers who discovered antibiotics in ... cause for concern. The use of antibiotics ... human consumption contribute to the development of antibiotic-resistant ... information from the study. Each year in ... million people and kill about 23,000, according to ...
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