Expression of Heat Shock Protein 70 (Hsp-70) in Children’s Acute Lymphoblastic Leukemia Seta Widya Nugraha1*, IDG Ugrasena1, Yetti Hernaningsih2, Andi Cahyadi1, Mia Ratwita Andarsini1, Maria Christina Shanty Larasati1 Abstract Heat shock protein (Hsp) 70 is one of the most common Hsp proteins found in humans. Like other types of Hsp,