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We extend our thanks to Mr. Hari Shankar, Era University, for the precious suggestions and support in writing this manuscript.

Author Contributions
SSR designed, drafted and edited the manuscript. PS and MAK reviewed the manuscript. All the authors have approved the final article.

Funding Information
This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Compliance with Ethical Standards

Disclosure of Competing Interest
The authors declare no conflicts of interest. Abbreviations
IL-2 interleukin 2
IL-6 interleukin 6
IL-7 interleukin 7
IL-10 interleukin 10
IFN-γ Interferon gamma
TNF-α Tumor Necrosis Factor alpha
MCP-1 Monocyte Chemoattractant Protein 1
MIP-1α Macrophage Inflammatory Proteins 1 alpha
GCSF Granulocyte Colony Stimulating Factor
VCAM-1 Vascular Cell Adhesion Molecule-1
ICAM-1 Intracelullar Adhesion Molecule-1
HGF Hepatocyte growth factor
BM-MSC Bone Marrow derived Mesenchymal Stem Cell
AD-MSC Adipose derived Mesenchyma l Stem Cell
UC-MSC Umbilical Cord derived Mesenchymal Stem Cell
WJ-MSC Warton Jelly derived Mesenchymal Stem Cell
OM-MSC Olfactory Mucosa derived Mesenchymal Stem Cell
DPSC Dental Pulp Stem Cell
NK Cells Natural Killer Cells
DC Dendritic Cells