In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Q: Design, Synthesis, Biological Evaluation, and Docking Studies of (S)-Phenylalanine Derivatives with a 2-Cyanopyrrolidine Moiety as Potent Dipeptidyl Peptidase 4 Inhibitors.

A: Dipeptidyl Peptidase 4
****
Q: Effects of High Iron and Glucose Concentrations over the Relative Expression of Bcl2, Bax, and Mfn2 in MIN6 Cells.

A: Mfn2
****
Q: Clinical manifestations of genetic defects affecting gonadotrophins and their receptors.

A:
gonadotrophins
****
