They found that the IL-3, IL-12-p40, LIF, IFNα2, IL-2ra, IL-13, b-NGF, SCF, TNF-β, TRAIL, IL-2, IFN-γ, IP-10, and MIG levels were considerably higher in patients with active and latent TB forms compared to non-TB patients, whereas the MIF level was considerably lower in patients with active TB compared to patients without TB and with latent TB. Here, IL2 is linked to tuberculosis.