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Sympathetic in Biological News

Translating the conversation between the brain and blood vessels

... focuses on the role the brain plays in increasing sympathetic nervous activity, which contributes to many forms ... in sleep apnea and chronic activation of the sympathetic nervous system. "We're studying why people who ... that are at work in the brain stem that regulate sympathetic nervous activity. Neurotransmitters relay signals ...

Smoke from cigarettes, cooking oil, wood, shift male cardiovascular system into overdrive

... smoke with a greater increase in indexes of sympathetic outflow to blood vessels than do women The sympathetic nervous system produces the "fight or flight" ... arteries and shifted control of heart rate toward sympathetic domination. ...

Smoke from cigarettes, cooking oil, wood, shift male cardiovascular system into overdrive

... smoke with a greater increase in indexes of sympathetic outflow to blood vessels than do women The sympathetic nervous system produces the "fight or flight" ... arteries and shifted control of heart rate toward sympathetic domination. ...

Leptin's long-distance call to the pancreas

... et al. show, the fat-derived hormone enlists the sympathetic nervous system to prevent bone-making cells from ... thus tested whether the hormone relied on the sympathetic nervous system, the branch that pumps out ... indicating a connection between leptin and the sympathetic nervous system. When that connection was broken ...

Women often opt to surgically remove their breasts, ovaries to reduce cancer risk

... counselors and women at risk for breast cancer. Questions to be raised should include how is the communication method occurring, are the doctors sympathetic and is there an ongoing dialogue? "Careful risk counseling does appear to influence women's decision for surgery although the effect is not ...

Researcher garners major award from NIH for further exploration into the mechanisms of obesity

... in the nerves of Siberian hamsters, they found that the brain uses part of the nervous system used to regulate body functions, called the sympathetic nervous system, to initiate fat burning and then sensory nerves, in turn, communicate back to the brain cells to continue or stop the fat burning ...

Effects of maternal exercise on fetal breathing movements

... there were no significant differences in measures of vagal control between groups. There were no group or breathing period differences in sympathetic heart rate control. Conclusion According to Drs. May and Gustafson, "These findings suggest a potential benefit of maternal exercise on ...

Effects of maternal exercise on fetal breathing movements

... there were no significant differences in measures of vagal control between groups. There were no group or breathing period differences in sympathetic heart rate control. Conclusion According to Drs. May and Gustafson, "These findings suggest a potential benefit of maternal exercise on ...

Medicare coding for maggots and maggot therapy

... difficulties getting reimbursed by insurance companies and Medicare subcontractors for their maggot therapy expenses. Medicare officials were quite sympathetic to the requests for better coding and processing of insurance claims for maggot therapy, explaining that product coding and reimbursement needed to ...

A double-barreled immune cell approach for neuroblastoma

... virus lasted as long as 18 months and at higher levels than the other cells. Neuroblastoma is a tumor of primitive cells that go on to form the sympathetic nervous system. Apart from brain tumors, it is the most common solid cancer of children, and accounts for 7 percent of the total. In two-thirds of ...

Tumor-targeting viral therapy slows neuroblastoma, malignant peripheral nerve sheath tumors

... in the restriction of new blood vessel growth that can feed tumors, Dr. Cripe said. Neuroblastoma is a solid tumor cancer that begins in the sympathetic nervous system and most often strikes children younger than 5 years old. For children younger than 2, or those with a single mass tumor, the ...

Nicotine may accelerate atherosclerosis, may be as dangerous as tar

... Surgery at Weill Cornell Medical College. Previous studies have suggested that nicotine in cigarettes can hurt the heart by activating the sympathetic nervous system and increasing the heart rate -- potentially leading to fatal arrhythmias. (Nicotine also affects most organ systems -- including the ...

Diabetes slows nerve recovery after heart transplant

... to study the regenerative capacity of the heart's sympathetic nervous system, we determined that ... of diabetes on the potential for recovery of sympathetic nerve fibers of the heart," added the co-author of "Effect of Diabetes Mellitus on sympathetic Neuronal Regeneration Studied in the Model of ...

How appetite-stimulating brain cells work overtime during fasting

... brown fat is the activation of mitochondrial uncoupling protein 1 (UCP1) by T3, the researchers said. The UCP1 activation, which is controlled by the sympathetic nervous system, also leads to an increase in the number of mitochondria. The role of the related protein, UCP2, which is present at high levels ...

Botox could help target resistant tumors for treatment

... acetylcholine and norepinephrine. Gallez and his colleagues hypothesized that since Botulinum toxin impeded neurotransmitter release in the sympathetic nervous system, it could prevent neuromuscular contractions of vessels in tumors. The inhibition of this contraction could literally open the gate to ...

Survival of heart patients on beta-blockers varies greatly with genetic variation

... of efficacy of beta-blockers in higher-risk patients or if genotype alone is responsible for a worse outcome." Beta-adrenergic receptors in the sympathetic nervous system respond to adrenaline, but beta-blocker drugs block this interaction, slowing the heartbeat and lowering blood pressure to relieve ...

Gene therapy to lower blood pressure just enough

... those vessels. ANP also improves the manner in which the kidney eliminates sodium or salt from the body and inhibits other systems, such as the sympathetic nervous system, believed linked to development of high blood pressure. "This makes ANP an attractive agent for use in treating blood pressure," ...
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