Myeloid cell recruitment and activation

"Myeloid cell recruitment and activation" is a complex immunological process by which myeloid cells—including macrophages, monocytes, dendritic cells, neutrophils, and other granulocytes—are mobilized from the bone marrow or circulation into tissues in response to infection, tissue damage, or other signaling cues[1][2]. This recruitment is tightly regulated by a variety of receptors (such as integrins, chemokine receptors, Toll-like receptors, and complement receptors), adhesion molecules, and intracellular signaling pathways. Activated myeloid cells perform critical functions including phagocytosis, antigen presentation, cytokine and chemokine production, and orchestration of both innate and adaptive immune responses[1][2]. In pathologic contexts (such as cancer, chronic inflammation, and autoimmunity), dysregulation of myeloid cell recruitment and activation can promote disease progression, tissue remodeling, or immunosuppression[2][3]. Notable molecular participants include: - Integrins (e.g., CD11b/CD18) for adhesion and migration[3] - Chemokine receptors (e.g., CCR2, CCR6) for directed cell movement[2] - Pattern recognition receptors (e.g., TLRs, CLRs) for sensing pathogens and danger signals[1][2] - Complement receptors (e.g., C3aR, C5aR) for responding to complement activation[2] - Cytokine receptors (e.g., interferon gamma receptor) for cell differentiation and activation[1][2] Because this term encompasses a multitude of targets and pathways, it should be replaced with a specific molecule, receptor, or protein family when seeking structured information suitable for drug discovery or pharmacological research.

Other names

Myeloid cell activationRecruitment of myeloid cellsMyeloid cell traffickingMyeloid immune cell recruitment