Expression of human cell cycle regulators in the primary cell line of the African savannah elephant (loxodonta africana) increases proliferation until senescence, but does not induce immortalization - Tomokazu Fukuda; Yuuka Iino; Manabu Onuma; Bando Gen; Miho Inoue-Murayama; Tohru Kiyono (In Vitro Cellular & Developmental Biology - Animal, 2016)