Table 1.
Neuroligin and neurexin splice variants detected
| Human
|
Rat
|
|||
|---|---|---|---|---|
| Brain | Islet | Brain | INS-1 β-cells | |
| NL-1, site A | [+] | [+, −] | +, − | +, − |
| NL-1, site B | + | + | + | + |
| NL-2, site A | + | + | + | + |
| NL-3, site A | ++, +, − | ++, +, − | ++, +, − | ++, +, − |
| Nx-1, site 4 | + | + | [+, −] | [+] |
Differences between brain and islet/INS-1 tissue are in brackets. At site A in neuroligin (NL)-3, the alternative exon used in neuroligin-1 and an exon specific to neuroligin-3 can either be incorporated in tandem (++), or only one of the alternative exons may be spliced in (+). Nx, Neurexin.