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Arcuate in Medical News

Study further expands understanding of leptin's role in brain neurocircuitry

...sis through its effects on the central nervous system. Over the years, investigators have pinpointed a region of the brain's hypothalamus known as the arcuate nucleus (ARC) as one key area where leptin exerts its influence, and within the ARC, they have identified two types of leptin-responsive neurons, the ...

Born to Be Obese?

...lifornia, and his colleagues examined neural circuits emanating from the appetite, hunger and body-weight control center of the brain -- the so-called arcuate nucleus of the hypothalamus (ARH) -- in a series of rats bred to be either prone to, or resistant to, obesity. The team found fewer neural connecti...

Targeting SOCS-3 can Control Obesity

...rtion of the hypothalamus of the brain, called the arcuate nucleus, is negatively impacted by an overabundanc...ts determined that leptin resistance prevented the arcuate nucleus from taking part in an important signaling...ct became more responsive, thereby suggesting that arcuate nucleus function is the point of breakdown during ...

Serotonin the Answer for Anti-Obesity Treatment

... fenfluramine affected the brain's molecular pathways to reduce appetite. In 2002, they examined the region of the brain's hypothalamus containing the arcuate nucleus, or ARC. In the ARC, drug-induced serotonin activates brain cells called pro-opiomelanocortin neurons, or POMC, which in turn release a hormon...

Adolescent Marijuana Smokers Face Risk Of Developing Schizophrenia

... the images obtained, the researchers were able to arrive at few conclusions regarding drug abuse and schizophrenia. A specific part of the brain the arcuate nucleus, believed to play a role in cognitive function was underdeveloped in both schizophrenia patients and in marijuana users. It is formed by a bun...
Arcuate in Medical Technology

Emisphere Technologies, Inc. Reports Clinical Data on Oral Delivery of GLP-1 and PYY

...halamus, including the melanocortin and neuropeptide Y (NPY) systems in the arcuate nucleus. The NPY Y2 receptor (Y2R), a putative inhibitory presynaptic receptor, is highly expressed on NPY neurons in the arcuate nucleus, which is accessible to peripheral hormones. Peptide YY 3-36, a Y2R...
Arcuate in Medical Products

Hays Arcuate Marker

Description: 7mm Cross Hairs; Available in 4.5mm to 7.0mm in 0.5mm increments; Ring depth available from 2 to 4mm in 0.5mm increments.; in stainless steel....
Company:Berson & Associates

PYY, Total ELISA Test

Description:...inal truncated form of the full length peptide (3). In common with leptin, this peptide has been shown to cross the blood-brain-barrier and act on the arcuate nucleus of the hypothalamus, stimulating neurons that create a sensation of satiety and inhibiting neurons that stimulate feeding behavior (2). In a r...
Company:Diagnostic Systems Laboratories, Inc.
Arcuate in Medical Dictionary

Medial

...s binary operation is a homomorphism from ... If f and g are endomorphisms of a medial magma, then the mapping f.g defined by ... The medial arcuate ligament is tendinous fascia that arches over the psoas major muscle as it passes through the diaphragm. medial adj. Relating to, situated...
Arcuate in Biological News

Yerkes researchers identify language feature unique to human brain

...James Rilling, PhD, and his colleagues studied the arcuate fasciculus, a pathway that connects brain regions ...esearchers compared the size and trajectory of the arcuate fasciculus in humans, rhesus macaques and chimpanzees. According to Rilling, "The human arcuate fasiculus differed from that of the rhesus macaque...

In obesity, brain becomes 'unaware' of fat

...egrated in the brain. Leptin sends signals to the brain about the body’s fat reserves, modifying appetite and energy expenditure accordingly. The arcuate nucleus in the brain’s hypothalamus, known as the ARH, is a major site of leptin sensing, harboring neurons that control appetite. More than 60 p...

How appetite-stimulating brain cells work overtime during fasting

... related protein, UCP2, which is present at high levels in the hypothalamic arcuate nucleus--considered to be the key brain site that responds to changes in pe...ating neurons that express UCP2. In mice that were fasted for 24 hours, the arcuate nucleus showed an increase in the "DII" enzyme's activity and local thyroid...

An essential regulator of body weight revealed

... 5,000 cells in a region of the brain known as the arcuate nucleus. Hormones such as insulin, leptin, and ghrelin deliver information to the arcuate nucleus about whether the body has sufficient calo...nize and respond to these signals are found in the arcuate nucleus. The first of these, known as POMC (pro-op...
Arcuate in Biological Technology

RNArticles: Keeping RNA Intact Prior to RNA Isolation - RNAlater

...llected tissue punches of the arcuate nucleus of the hypothalamus and ...of leptin receptor mRNA was detected in arcuate but not the thalamus. Glucokinase, however, was expressed in both arcuate and thalamus at a similar level. For mo...
Arcuate in Biological Dictionary

Renal veins

...blood clot that develops in the vein that drains blood from the kidney. The renal cortex is drained sequentially by the interlobular veins , arcuate ... In addition, multiple renal veins are seen in approximately 15 percent of the ... Renal vein thrombosis is a fairly uncommon situation ...
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