Mannose-Binding Lectin Deficiency, also known as mannose-binding protein deficiency, is related to bronchiectasis and meningitis. An important gene associated with Mannose-Binding Lectin Deficiency is MBL2 (Mannose Binding Lectin 2), and among its related pathways/superpathways is Toll-like receptor signaling pathway. The drug Lectins has been mentioned in the context of this disorder. Affiliated tissues include liver and skin, and related phenotypes are failure to thrive and recurrent skin infections