Tag: "stimulation" at biology news

IMS updated recommendations on postmenopausal hormone therapy

...sed estrogen administration induces a dose-related stimulation of the endometrium. Women with a uterus should hav...se estrogen and progestogen cause less endometrial stimulation and less bleeding. Thromboembolism and cardiovascular events The HT-related risk for serious ven...

News tips from the Journal of Neuroscience

...ating actin network dynamics following theta burst stimulation (TBS). In rat hippocampal slices, TBS induced phosphorylation of p21-activated kinase (PAK) and its downstream effecter cofilin, signaling proteins that enable actin filament growth. Immunolabeling for phosphorylated (p) cofilin (pCofilin) and pPAK w...

Study shows marine omega-3 fatty acids have positive effect on muscle mass

...in order to find an alternative to hormonal growth stimulation in beef cattle. At 4 to 6 months of age, calves become less efficient at converting food into muscle mass, which has a negative impact on farming profitability. "Adding fish oil to their diet could prevent this decline by restoring insulin sensitiv...

Hearts of male and female rainbow trout are different

...ate levels and females would benefit more from the stimulation of PDH than males. The study also sought to det...prepared in one of two ways: (1) incubated without stimulation (i.e., ventricle strips were incubated in a respiration cell containing an oxygenated buffer solutio...

Brain networks strengthened by closing ion channels

...of norepinephrine. Treatments for ADHD all enhance stimulation of the norepinephrine receptors. These new data also have important implications for the researchers studies of more severe mental illnesses like schizophrenia and bipolar disorder, which can involve mutations of a molecule called DISC1 (Disrupted in...

News tips from the Journal of Neuroscience

...mic input facilitates Up state activity. Likewise, stimulation of thalamus triggered cortical Up states, whereas local cortical stimulation reduced Up states. 4. AD Mice Turn to Fish Oil Kim N. Green, Hilda Martinez-Coria, Hasan Khashw...

UT Metroplex institutions to collaborate on biomedical research

...trum disorder. "Non-charge-balanced electrical stimulation for biofilm removal on cochlear implant: in vivo and in vitro studies" Dr. Hoi Lee, assistant professor of electrical engineering at UT Dallas, and Dr. Karen Pawlowski, assistant professor of otolaryngology/head and neck surgery at UT Southwestern. ...

News tips from the Journal of Neuroscience

...ralateral somatosensory cortex, whereas concurrent stimulation of ipsilateral whiskers is inhibitory. The authors recorded responses in single neurons in barrel cortex after deflection of contralateral whiskers. Mice deprived of ipsilateral whiskers for 1 week had increased cortical receptive fields to contralat...

Sandia researchers take new approach to studying how cells respond to pathogens

...- one for trapping and imaging viable cells during stimulation with pathogens. The other combines cell preparation steps, cell selection and sorting followed by analysis of protein content in the selected cell subpopulations. "In effect, we are taking many work-horse technologies such as confocal microscopy, f...

Stevens and Connecticut Innovations agree to investment of $500,000 in SPOC Inc.

...t pending device is the first use of electroneural stimulation for diagnostic purposes. SPOCs diagnostic system will benefit patients by helping to eliminate treatments that prove to be ineffective, such as surgical procedures, and by allowing physicians to locate and treat more effectively muscles that gene...

The great escape -- fleeing fish fall in line

...s mimicked an aerial predator attack by mechanical stimulation and used a high speed camera to record responses in schools of ten grey mullet each. Individuals within a school were then ranked according to the timing of their escape. The experiment was performed ten times at 10 minute intervals on a total of s...

News tips from the Journal of Neuroscience

...he day/night cycle. Resetting the clock with light stimulation occurs after continuous pulses, in which phase shifts result from integration or "photon counting" of long, relatively dim light pulses. However, as Vidal and Morin show this week in hamsters, brief trains of millisecond-long intense light flashes ca...

Engineering the heart piece by piece

...ble of generating pulsating forces and reacting to stimulation more like real muscle than ever before. Previously, the group described the results of a self organization strategy, showing that it was possible to engineer heart muscle that closely resembles normal heart muscle physiology without any synthetic ...

MIT: Pulsing light silences overactive neurons

...searchers can now exert exquisite control over the stimulation and inhibition of individual neurons. Learning more about the neural circuits involved in epilepsy could help scientists develop devices that can predict when a seizure is about to occur, allowing treatment (either shock or light) to be administere...

CIRM awards $6M to Burnham Institute

...evelop pharmaceuticals to repair the heart through stimulation of its own stem cells." CIRM was established in 2004 with the passage of Proposition 71, the California Stem Cell Research and Cures Initiative. The statewide ballot measure, which provides $3 billion in funding for stem cell research at Californi...

News tips from the Journal of Neuroscience

... in PKA with 5-HT 7 receptor activation or direct stimulation of adenylyl cyclase with forskolin reduced the slow afterhyperpolarization potential current within 30 s. However, activation of 5-HT 7 receptors had a smaller and slower effect than forskolin on cytosolic AKAR2 and nuclear effects were slower still...

Study advances evidence for receptor's role in alcohol pleasure and problems

...receptor variant would experience enhanced alcohol stimulation and, therefore, consumption. Groups of monkeys had access to both alcoholic and non-alcoholic solutions for one hour per day for a period of six weeks. Researchers measured the animals alcohol intake and post-intake activity, and determined which...

News tips from the Journal of Neuroscience

...eeks Journal . In a rat retina preparation, light stimulation evoked vasodilation as did increases in extracellular potassium. However, long and large depolarizations of single astrocytes or Muller cells did not produce changes in arteriole diameter. In mice lacking Kir4.1, the potassium channel that is express...

Research identifies causes contributing to poor development of over 200 million children worldwide

WEST LAFAYETTE, Ind. - Inadequate intellectual stimulation and poor nutrition, especially iodine and iron def... details the relatively low levels of intellectual stimulation many children in developing countries receive. Researchers found only between 10 percent and 41 perc...

'Smart' prosthetics: restoring independence to people with disabilities

...ainGate sensor with Peckhams functional electrical stimulation (FES) system, which uses electrical impulses to trigger muscle and limb movement. The first version will allow users to make simple movements that could be used to perform tasks such as eating or drinking using their own arms and hands and under the...

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(Date:10/30/2014)... researchers have developed a suite of technologies that can ... which has applications in everything from search and rescue ... developed a platform for computer-mediated communication between humans and ... interpreting dogs, behavioral signals and sending them clear and ... assistant professor of computer science at NC State and ...
(Date:10/29/2014)... Cancer suffers who lose their hair as a consequence ... that will improve the scalp cooling technology that prevents ... and is being pioneered by global scalp cooling manufacturing ... with the biology department of the University of Huddersfield. ... Omar Hussain, who has a background in the pharmacology ...
(Date:10/29/2014)... have been blamed for increasing the risk of ... family history of schizophrenia, are widely accepted. Others, ... a parasite transmitted by soil, undercooked meat and ... A new study by Gary Smith, professor of ... Pennsylvania,s School of Veterinary Medicine, used epidemiological modeling ...
Breaking Biology News(10 mins):New tech aims to improve communication between dogs and humans 2New technology on the way to aid cancer suffers who lose their hair after chemotherapy 2Penn vet professor investigates parasite-schizophrenia connection 2Penn vet professor investigates parasite-schizophrenia connection 3
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