Cellular sensitivity re-sensitization is a therapeutic and physiological objective aimed at restoring the responsiveness of cell receptors to their cognate signaling molecules, particularly hormones, after a period of desensitization or downregulation. The process is critical in managing conditions like insulin resistance, where target cells have become refractory to normal hormone levels. Successful re-sensitization enhances the efficacy of both endogenous and exogenous hormones. This restoration of signal transduction capacity is vital for maintaining metabolic homeostasis.
Origin
The concept arises directly from receptor pharmacology and endocrinology, where receptor desensitization, a protective cellular mechanism against overstimulation, has been well-documented. “Re-sensitization” describes the deliberate reversal of this phenomenon in a clinical context. This practice evolved from the need to overcome acquired resistance to therapeutic agents or natural hormones.
Mechanism
Re-sensitization primarily involves manipulating the expression, recycling, or post-translational modification of the target receptors. Strategies often include a period of reduced ligand exposure, which allows receptors to be internalized and subsequently recycled back to the cell surface. Alternatively, the total receptor count can increase through altered gene expression. This process effectively lowers the threshold required for a hormonal signal to elicit a robust and appropriate biological response.
We use cookies to personalize content and marketing, and to analyze our traffic. This helps us maintain the quality of our free resources. manage your preferences below.
Detailed Cookie Preferences
This helps support our free resources through personalized marketing efforts and promotions.
Analytics cookies help us understand how visitors interact with our website, improving user experience and website performance.
Personalization cookies enable us to customize the content and features of our site based on your interactions, offering a more tailored experience.