| TSLP | Thymic stromal lymphopoietin |
| TSLPR | Thymic stromal lymphopoietin receptor |
| IL-7R | Interleukin-7 receptor |
| CRC | Colorectal cancer |
| AD | Atopic Dermatitis |
| IgE | Immunoglobulin E |
| SNP | Single nucleotide polymorphism |
| KKUH | King Khalid University Hospital |
| KSU | King Saud University |
| cDNA | Complementary DNA |
| qRT-PCR | Quantitative RT-PCR |
| IHC | Immunohistochemistry |
| PCR | Polymerase chain reaction |
| SD | Standard deviation |
| HWE | Hardy–Weinberg equilibrium |
| °C | Degrees centigrade |
| OR | Odds ratio |
| Cis | Confidence intervals |
| SPSS | Statistical Package of the Social Sciences |