IGF2 and X-linked cone dysfunction syndrome with myopia: The associations between IGF-II expression and body weight, the possible actions of IGF-II on the hypothalamus (satiety center), and finally our previous demonstration of the various physiological activities of different IGF-II isoforms (mature being more biologically potent) led us to postulate that women with BED, independently of the presence of obesity would display abnormal processing of IGF-II when compared with healthy controls.