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¿Qué es el sistema endocrino?
The endocrine system sends hormones—chemical signals—through the bloodstream to target cells—the cells the hormones selectively…
Tipos de hormonas
Hormones can be classified into three main types based on their chemical structures: steroids, peptides, and amines. Their actions are mediated by…
Los receptores hormonales intracelulares
Lipid-soluble hormones diffuse across the plasma and nuclear membrane of target cells to bind to their specific intracellular receptors. These…
Señalización de la superficie celular
Hormones—or any molecule that binds to a receptor, known as a ligand—that are lipid-insoluble (water-soluble) are not able to diffuse…
Los circuitos de retroalimentación
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a…
El eje hipotalámico-hipofisario
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA)…
Un procedimiento de detección química de glucocorticoides Señalización con un sistema indicador de pez cebra Larva luciferasa
Glucocorticoid stress hormones and their artificial derivatives are widely used drugs to treat inflammation, but long-term treatment with…
Preparación de colonias individuales-cohortes y tratamiento con hormona del trabajador abejas para analizar la fisiología asociada con clases, y / o Sistema Endocrino
Honeybee workers are engaged in various tasks related to maintaining colony activity. The tasks of the workers change according to their age…
Evaluación de los efectos del sistema endocrino interrumpir compuestos en el desarrollo de la función de red neuronal vertebrados utilizando electrodos múltiples
Bis-phenols, such as bis-phenol A (BPA) and bis-phenol-S (BPS), are polymerizing agents widely used in the production of plastics and numerous…
Recoger muestras de pelo para cabello análisis de Cortisol en americanos africanos
The hormone cortisol is typically assessed in saliva, serum, or urine samples. More recently, cortisol has been successfully extracted from hair,…

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