CD40LG and infection: In the subgroup of patients with available data on plasma Ig levels (36 patients, 26 receiving and 10 not receiving IgM therapy) before (within 24 h) and after transplantation (within 24 h), we did not detect differences in the levels of pre-OLT immunoglobulin between patients who developed (14 patients) and those who did not develop (29 patients) infections.