Lupus Spank [portable] May 2026

The S1P gradient—high in the blood and lymph and low in tissues—is essential for the egress of lymphocytes from lymphoid organs. T-cells downregulate their S1P receptors to remain in lymph nodes for maturation and upregulate them to exit into circulation. Dysregulation of this pathway can lead to aberrant T-cell trafficking, a hallmark of autoimmune pathology.

Could you please clarify or correct the term you intended? lupus spank