| 3-D | 3-dimensional |
| C6S | chondroitin-6-sulfate |
| ECM | extracellular matrix |
| ERT | enzyme replacement therapy |
| GAG | glycosaminoglycans |
| GALNS | N-acetylgalactosamine 6-sulfate sulfatase |
| HS | heparan sulfate |
| HSCT | hematopoietic stem cell transplantation |
| IS | internal standard |
| KS | keratan sulfate |
| LC-MS/MS | liquid chromatography/tandem mass spectrometry |
| MPS | Mucopolysaccharidosis |
| PBS | phosphate buffered saline |
| SDET | substrate degradation enzyme therapy |
| TLR4 | toll-like receptor 4 |