نتایج جستجو برای: lateral hypothalamus
تعداد نتایج: 137146 فیلتر نتایج به سال:
Background: The lateral hypothalamus (LH), which produces orexin, is vital for body solution homeostasis. Lateral hypothalamus (LH) lesion causes adipsia and its stimulation increases water intake. Objective: This study aimed to investigate the effect of an intracerebroventricular (ICV) injection of orexin-A (OXA) on water-drinking behavior in water-deprived rats. Metods: A total of 32 male W...
The N(6)-cyclohexyladenosine (CHA)-induced hypothermia in Syrian hamsters was characterized as follows: intracerebroventricular injection of CHA-induced hypothermia and the potency was increased by lowering the ambient temperature. CHA microinjection into the anterior hypothalamus (AH) elicited the most marked body temperature (T(b)) decrease compared with other regions such as the preoptic are...
Proteoglycans like syndecan-3 have complex signaling roles in addition to their function as structural components of the extracellular matrix. Here, we show that syndecan-3 in the lateral hypothalamus has an unexpected new role in limiting compulsive cocaine intake. In particular, we observe that syndecan-3 null mice self-administer greater amounts of cocaine than wild-type mice. This effect ca...
OBJECT One quarter of patients with anorexia nervosa have a poor outcome and continue to suffer chronically or die. Electrical brain stimulation may be of therapeutic benefit in some of these patients; however, the brain target for inducing symptom relief is unknown. In this study, the authors evaluated the effects of acute and chronic electrical stimulation in the lateral hypothalamus on food ...
Urocortin (Ucn) III, or stresscopin, is a new member of the corticotropin-releasing factor (CRF) peptide family identified in mouse and human. Pharmacological studies showed that Ucn III is a high-affinity ligand for the type 2 CRF receptor (CRF-R2). To further understand physiological functions the peptide may serve in the brain, the distribution of Ucn III neurons and fibers was examined by i...
Intracerebroventricular injection of senktide, a selective agonist for neurokinin B receptor (NK3), induced Fos expression in many neurons of the rat hypothalamus. Fos-positive neurons were predominantly present in the supraoptic and paraventricular hypothalamic nuclei, and some of them were seen in the lateral preoptic area, lateral hypothalamic area, arcuate nucleus, perifornical region, post...
The ventrolateral medulla (VLM) modulates autonomic functions, motor reactions and pain responses. The lateralmost part of the caudal VLM (VLMlat) was recently shown to be the VLM area responsible for pain modulation. In the present study, the brain sources of VLMlat afferent fibers were determined by tract-tracing techniques. Following injection of cholera toxin subunit B into the VLMlat, retr...
Leptin is a circulating molecule for the regulation of food intake and body weight suggested to be mediated in the hypothalamus via Ob-Rb receptor, which activates Janus kinase-signal transducer and activator of transcription (STAT) pathways. Although leptin receptors exist in many regions of the brain, there have been few in vivo functional studies of leptin's target site other than the hypoth...
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