Metformin reduces PD-L1 on tumor cells and enhances the anti-tumor immune response generated by vaccine immunotherapy
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* Luis Enrique Munoz
* Lei Huang
* Ramireddy Bommireddy
* Richa Sharma
* Lenore Monterroza
* Rohini N. Guin
* Sarah G. Samaranayake
* Christopher D. Pack
* Sampath Ramachandiran
* Shaker J.C. Reddy
* Mala Shanmugam
* Periasamy Selvaraj