- Involvement of cholecystokinin 2 receptor in food intake regulation: hyperphagia and increased fat deposition in cholecystokinin 2 receptor-deficient mice. Clerc, P., Coll Constans, M.G., Lulka, H., Broussaud, S., Guigné, C., Leung-Theung-Long, S., Perrin, C., Knauf, C., Carpéné, C., Pénicaud, L., Seva, C., Burcelin, R., Valet, P., Fourmy, D., Dufresne, M. Endocrinology (2007)