Para-Phenylenediamine Induces Apoptotic Death of Melanoma Cells and Reduces Melanoma Tumour Growth in Mice

Author:

Bhowmick Debajit1,Bhar Kaushik1,Mallick Sanjaya K.2,Das Subhadip3,Chatterjee Nabanita3,Sarkar Tuhin Subhra1,Chakrabarti Rajarshi1,Das Saha Krishna3,Siddhanta Anirban1

Affiliation:

1. Department of Biochemistry, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700 019, India

2. Cytometry Solutions Pvt Ltd., Tripti Mitra’s Garden, Balia Garia Station Road, Kolkata, West Bengal 700084, India

3. Cancer & Cell Biology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja SC Mullick Road, Kolkata, West Bengal 700032, India

Abstract

Melanoma is one of the most aggressive forms of cancer, usually resistant to standard chemotherapeutics. Despite a huge number of clinical trials, any success to find a chemotherapeutic agent that can effectively destroy melanoma is yet to be achieved. Para-phenylenediamine (p-PD) in the hair dyes is reported to purely serve as an external dyeing agent. Very little is known about whether p-PD has any effect on the melanin producing cells. We have demonstrated p-PD mediated apoptotic death of both human and mouse melanoma cellsin vitro. Mouse melanoma tumour growth was also arrested by the apoptotic activity of intraperitoneal administration of p-PD with almost no side effects. This apoptosis is shown to occur primarily via loss of mitochondrial membrane potential (MMP), generation of reactive oxygen species (ROS), and caspase 8 activation. p-PD mediated apoptosis was also confirmed by the increase in sub-G0/G1 cell number. Thus, our experimental observation suggests that p-PD can be a potential less expensive candidate to be developed as a chemotherapeutic agent for melanoma.

Funder

Department of Biotechnology , Ministry of Science and Technology

Publisher

Hindawi Limited

Subject

Biochemistry

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