|
| GF− (Low Ca2+)b | GF− (High Ca2+)c | GF+ (Low Ca2+)d | GF+ (High Ca2+)e |
| NHKa | − | + | − | − |
| HeLa | − | − | + | + |
| KB | − | − | + | + |
| A431 | + | − | nd | + |