Cell culture reagents were purchased from Invitrogen India Pvt. Ltd. and Himedia Laboratories Pvt. Ltd. MCF-7 breast cancer cells were procured from the National Centre of Cell Science (NCCS) Pune, India. DMSO, agarose, acrylamide, and other chemicals were of molecular biology grade and obtained from Himedia Laboratories Pvt. Ltd. India and Merck India Pvt. Ltd.