β-Cell-Specific Mafk Overexpression Impairs Pancreatic Endocrine Cell Development. oleh Ahmed M Abdellatif, Hisashi Oishi, Takahiro Itagaki, Yunshin Jung, Hossam H Shawki, Yukari Okita, Yoshikazu Hasegawa, Hiroyuki Suzuki, Salah E El-Morsy, Mesbah A El-Sayed, Mahmoud B Shoaib, Fumihiro Sugiyama, Satoru Takahashi