| UVB | Ultraviolet B |
| t-BOOH | tert-Butyl hydroperoxide |
| ROS | Reactive Oxygen Species |
| MMP-1 | Matrix metalloprotease 1 |
| mRNA | messenger RNA |
| PCR | Polymerase Chain Reaction |
| SHH | Sonic hedgehog |
| p-ERK | Phospho-Extracellular Signal-regulated Kinase-1 |
| p-P38 | Phospho -P38 mitogen-activated protein kinases |
| COX-2 | Cyclooxygenase-2 |
| i.p | intraperitoneal |
| NF-κB | Nuclear factor kappa-light-chain-enhancer of activated B cells |
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