Table 1.
Number of original research articles found for the keyword combinations used for the literature search in PubMed and Scopus citation databases.
| Connexin | Pannexin | |
|---|---|---|
| Astrocyte | 875 | 83 |
| Microglia | 150 | 39 |
| Oligodendrocyte | 212 | 5 |
| Ependymal | 28 | 1 |
| Endothelial + Brain | 93 | 6 |
| Tumor + Brain | 212 | 19 |