نتایج جستجو برای: paraventricular hypothalamic nucleus
تعداد نتایج: 137614 فیلتر نتایج به سال:
Agouti-related protein (AGRP) is thought to be one of the neuropeptides mediating the effects of leptin on appetite and satiety. The central administration of AGRP not only stimulates food intake, but also inhibits the hypothalamic-pituitary-thyroid axis (HPT) axis, closely replicating the central hypothyroid state induced by fasting. AGRP binds as an endogenous antagonist or inverse agonist of...
Mitogen-activated protein kinase (MAPK) signaling and endoplasmic reticulum (ER) stress in the brain have been implicated in the pathophysiology of hypertension. This study determined whether ER stress occurs in subfornical organ and hypothalamic paraventricular nucleus in heart failure (HF) and how MAPK signaling interacts with ER stress and other inflammatory mediators. HF rats had significan...
To examine the functional role of CRH in the regulation of energy homeostasis by leptin, we measured the effects of the CRH antagonist, alpha-helical CRH 8-41 (alphaCRH) on a number of factors affected by leptin activity. These included food intake, body weight, hypothalamic c-fos-like immunoreactivity (c-FLI), weight and histological characterization of white adipose tissue, and mRNA expressio...
Pro-dynorphin peptides are found in the same neurons throughout rat brain: immunocytochemical study.
It is known that the opioid peptide dynorphin A has a broad distribution throughout the neuraxis. Recent biochemical studies have extended the sequence of dynorphin A by 15 amino acids to include another [Leu]enkephalin-containing peptide known as dynorphin B. These sequence data have been validated by the elucidation of the structure of the hypothalamic mRNA coding for alpha- and beta-neo-endo...
The regulation effect of WNT-RAS signaling in hypothalamic paraventricular nucleus on renal fibrosis
The paper reviews mechanisms of neuronal control of the hypothalamic-pituitary-adrenal (HPA) axis with a view on its impact on performance and welfare. The limbic hippocampal and amygdaloid input to the paraventricular hypothalamic nucleus constitutes the basic intracerebral axis by which emotional stimuli affect the stress response. This axis is the backbone of the HPA feedback loop where hipp...
Current estimates suggest that over 1 billion people are overweight and over 300 million people are obese. Weight gain is due to an imbalance between energy expenditure and dietary intake. This review discusses the hypothalamic control of appetite and highlights key developments in research that have furthered our understanding of the complex pathways involved. Nuclei within the hypothalamus in...
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