Cytokine receptors on omentum-associated lymphoid tissue and gut-associated lymphoid tissue lymphoid cells

Cytokine receptors on omentum-associated lymphoid tissue (OALT) and gut-associated lymphoid tissue (GALT) lymphoid cells are a broad class of signaling proteins that coordinate immune responses within the peritoneal and gastrointestinal environments. OALT, primarily composed of 'milky spots,' and GALT, including Peyer's patches and mesenteric lymph nodes, are critical sites for the recruitment and activation of T and B lymphocytes (Meza-Perez & Randall, 2017; Mowat & Agace, 2014). These receptors, such as the tumor necrosis factor receptors (TNFRs) and interleukin-23 receptors (IL-23R), respond to local cytokine gradients to drive inflammation or maintain mucosal tolerance (Neurath, 2014). In chronic inflammatory diseases like Crohn's disease and ulcerative colitis, dysregulated signaling through these receptors leads to persistent leukocyte activation and tissue damage (Friedrich et al., 2019). Therapeutic agents, primarily monoclonal antibodies like infliximab and ustekinumab, target these pathways by neutralizing the cytokines or blocking the receptors to induce clinical remission (Sandborn et al., 2017). While effective, these therapies can lead to systemic immunosuppression, increasing the risk of opportunistic infections and requiring careful patient monitoring (Bonovas et al., 2016).

Other names

Mucosal cytokine receptorsPeritoneal lymphoid tissue cytokine receptorsGALT/OALT immune signaling receptorsIntestinal cytokine receptors

Inhibition of cytokine-mediated signaling by blocking the interaction between pro-inflammatory cytokines and their cognate receptors on lymphoid cells.