The cytokines cardiotrophin-like cytokine/cytokine-like factor-1 (CLC/CLF) and ciliary neurotrophic factor (CNTF) differ in their receptor specificities.
Tormo A J, Letellier M-C, Lissilaa R, Batraville L-A, Sharma M, Ferlin W, Elson G, Crabé S, Gauchat J-F