Structural flexibility of apolipoprotein E-derived arginine-rich peptides improves their cell penetration capability oleh Yuki Takechi-Haraya, Takashi Ohgita, Akiko Usui, Kazuchika Nishitsuji, Kenji Uchimura, Yasuhiro Abe, Ryuji Kawano, Monika I. Konaklieva, Mart Reimund, Alan T. Remaley, Yoji Sato, Ken-ichi Izutsu, Hiroyuki Saito