Middle molecular weight uremic toxin

Middle molecular weight uremic toxins are a heterogeneous class of solutes defined primarily by their molecular weight, typically ranging from 500 Da to 58,000 Da (0.5–58 kDa)[1][2]. This group is subdivided into small-middle (0.5–15 kDa), medium-middle (15–25 kDa), and large-middle (25–58 kDa) solutes. These toxins are clinically significant because their accumulation in kidney failure is associated with inflammation, cardiovascular disease, immunosuppression, and other complications. Notable examples include β2-microglobulin. The class does not refer to a discrete molecular entity or a single receptor, and thus is not conventionally considered a drug target. Instead, clinical intervention focuses on optimizing dialysis modalities that enhance their removal[1][2]. In summary, "Mid-molecular weight toxins" does not refer to a single molecule or receptor and is not a therapeutic target in the conventional sense. It is a functional class relevant to renal failure and dialysis, encompassing a wide spectrum of biologically diverse toxins[1][2].

Other names

middle molecular weight toxinmiddle molecule toxinmid-molecular toxinMM toxinmiddle molecule