Host intestinal epithelial cell surface receptors (None)

Host intestinal epithelial cell surface receptors refer to the heterogeneous array of proteins located on the plasma membrane of the cells forming the intestinal barrier. These receptors are fundamental to gastrointestinal physiology, governing the selective uptake of nutrients, the secretion of ions and water, and the sensing of the luminal environment [Peterson & Artis, 2014]. They play a dual role in disease: serving as essential components of the innate immune system through pattern recognition (e.g., TLRs) and acting as "gateways" for enteric pathogens and toxins [Guyer et al., 2021]. For example, the ACE2 receptor on enterocytes is a known entry point for SARS-CoV-2, while Guanylate cyclase-C is a validated target for treating chronic constipation [Hoffmann et al., 2020; NIH, 2023]. Because this term describes a location-based collection of proteins rather than a single molecular entity, it is considered too broad for specific drug development programs. Analysts should instead focus on specific receptor sub-types or individual proteins within this category to evaluate therapeutic potential and safety profiles.

Other names

Intestinal epithelial surface proteinsGut epithelial receptorsEnterocyte surface receptorsIntestinal mucosal receptors

Varies by specific receptor; includes agonism of Guanylate cyclase-C to increase fluid secretion, inhibition of ion transporters (e.g., NHE3) to reduce sodium absorption, and modulation of pattern recognition receptors to manage inflammation [NIH, 2023].