Joe Cacioppo, DVM/PhD candidate in the laboratory of Dr. CheMyong (Jay) Ko, presented a poster at the 2012 Illinois Symposium on Reproductive Sciences. Out of 85 poster presentations, Joe's presentation was selected as one of the top five. The title of is poster was: Endothelin-2 is required for both ovulation and corpus luteum formation. Other authors were Sangwook Oh, Hey-young Kim, Patrick Lin, Jongki Cho, Masashi Yanagisawa, and CheMyong Ko.