Endocrine hormone pathways

Endocrine hormone pathways encompass the integrated system of glands, circulating hormones, and their respective receptors that coordinate systemic physiological responses across distant organs. These pathways are essential for maintaining homeostasis, regulating metabolism, and overseeing growth, development, and reproductive functions (StatPearls, 2023). While not a single therapeutic target, the individual components within these pathways—such as G protein-coupled receptors, nuclear receptors, and biosynthetic enzymes—are among the most common targets in the pharmaceutical industry (NIH, 2022). Dysregulation of these pathways leads to prevalent conditions like diabetes and thyroid disease, as well as driving the progression of various malignancies such as breast and prostate cancer. Therapeutic strategies typically involve hormone replacement to address deficiencies, receptor modulation to block or enhance signaling, or enzymatic inhibition to restore balance within these tightly regulated feedback systems (PubMed, 2021). Because endocrine signaling often involves complex feedback loops, such as the hypothalamic-pituitary-adrenal axis, pharmacological manipulation requires precise monitoring to avoid secondary imbalances or systemic toxicity.

Other names

Endocrine signaling pathwaysHormonal signalingEndocrine systemHormone-mediated signaling

Drugs modulate these pathways through hormone replacement therapy, agonism or antagonism of G protein-coupled receptors and nuclear receptors, or by inhibiting enzymes involved in hormone biosynthesis and metabolism.