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The neurohormone tyramine stimulates the secretion of an insulin-like peptide from the Caenorhabditis elegans intestine to modulate the systemic stress response.
PLoS Biol
January 2025
Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB) CCT UNS-CONICET, Bahía Blanca, Argentina.
The DAF-2/insulin/insulin-like growth factor signaling (IIS) pathway plays an evolutionarily conserved role in regulating reproductive development, life span, and stress resistance. In Caenorhabditis elegans, DAF-2/IIS signaling is modulated by an extensive array of insulin-like peptides (ILPs) with diverse spatial and temporal expression patterns. However, the release dynamics and specific functions of these ILPs in adapting to different environmental conditions remain poorly understood.
View Article and Find Full Text PDFIonic Mechanisms Involved in β3-Adrenoceptor-Mediated Augmentation of GABAergic Transmission Onto Pyramidal Neurons in Prefrontal Cortex.
J Neurochem
January 2025
School of Life Science, Nanchang University, Nanchang, China.
Activation of the brain-penetrant beta3-adrenergic receptor (Adrb3) is implicated in the treatment of depressive disorders. Enhancing GABAergic inputs from interneurons onto pyramidal cells of prefrontal cortex (PFC) represents a strategy for antidepressant therapies. Here, we probed the effects of the activation of Adrb3 on GABAergic transmission onto pyramidal neurons in the PFC using in vitro electrophysiology.
View Article and Find Full Text PDFThe Autonomic Nervous System and Inflammation in Chronic Kidney Disease.
Nephrol Dial Transplant
January 2025
Clinica Medica, University Milano-Bicocca and University of Milano-Bicocca, Milan, Italy.
The autonomic nervous system plays a crucial role in regulating physiological processes and maintaining homeostasis through its two branches: the sympathetic nervous system (SNS) and the parasympathetic nervous system. Dysregulation of the autonomic system, characterized by increased sympathetic activity and reduced parasympathetic tone, is a common feature in chronic kidney disease (CKD) and cardiovascular disease. This imbalance contributes to a pro-inflammatory state, exacerbating disease progression and increasing the risk for cardiovascular events.
View Article and Find Full Text PDFStress regulatory hormones and cancer: the contribution of epinephrine and cancer therapeutic value of beta blockers.
Endocrine
January 2025
Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India.
The word "cancer" evokes myriad emotions, ranging from fear and despair to hope and determination. Cancer is aptly defined as a complex and multifaceted group of diseases that has unapologetically led to the loss of countless lives and affected innumerable families across the globe. The battle with cancer is not only a physical battle, but also an emotional, as well as a psychological skirmish for patients and for their loved ones.
View Article and Find Full Text PDFSympathetic innervation of interscapular brown adipose tissue is not a predominant mediator of Oxytocin (OT)-elicited reductions of body weight gain and adiposity in male diet-induced obese rats.
Front Drug Deliv
December 2024
VA Puget Sound Health Care System, Office of Research and Development Medical Research Service, Department of Veterans Affairs Medical Center, Seattle, WA 98108, USA.
Recent studies indicate that central administration of oxytocin (OT) reduces body weight (BW) in high fat diet-induced obese (DIO) rodents by reducing energy intake and increasing energy expenditure (EE). Previous studies in our lab have shown that administration of OT into the fourth ventricle (4V; hindbrain) elicits weight loss and stimulates interscapular brown adipose tissue temperature (T) in DIO rats. We hypothesized that OT-elicited stimulation of sympathetic nervous system (SNS) activation of IBAT contributes to its ability to activate BAT and reduce BW in DIO rats.
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