Table 1. Chemotaxis and motility phenotypes of PI3K-deficient or DOCK2-deficient lymphocytes.
Cell type | Chemotaxis | Localization | Velocity | Turning angle | Motility coefficient | Reference | |
---|---|---|---|---|---|---|---|
B | DOCK2 | ↓ | ↓34% | Broad | ↓93% | [13,23] | |
DOCK2/p110γ | Same as | Same as | Same as | Same as | Same as | ||
DOCK2−/− | DOCK2−/− | DOCK2−/− | DOCK2−/− | DOCK2−/− | [13,23] | ||
p110γ | ↔ | ↔ | ↔ | ↔ | ↔ | [13,14,23] | |
↓ Homing to PP | |||||||
p110δ | ↓ | ↓ Localization to white pulp cords |
N/A | N/A | N/A | [14] | |
p85α | N/A | ↔ | ↓24% | N/A | ↓51% | [24] | |
p85β | N/A | ↔ | ↓5% | N/A | ↓3% | [24] | |
Wortmannin | ↓ | Localization to border of follicles and T-cell zones |
↓21% | N/A | [14,24] | ||
T | DOCK2 | ↓ | ↓ Homing to PLN, MLN, PP | ↓44% | Broad | ↓93% | [13,23] |
DOCK2/p110γ | ↓↓ | Severe homing defect to all lymphoid tissue |
Similar to DOCK2−/− |
Broad | ↓96% | [13,23] | |
p110γ | ↓ | ↓ Homing to PLN, MLN, PP, SPL |
↔ | Slightly broader | ↓16% | [13,14,23] | |
p110δ | ↔ | ↔ | N/A | N/A | N/A | [14] | |
p85α | N/A | N/A | ↓12% | N/A | ↓21% | [24] | |
p85β | N/A | N/A | ↓26% | N/A | ↓56% | [24] | |
p85α/p55α/p50 α/p85β |
N/A | N/A | ↓37% | N/A | ↓78% | [24] | |
Wortmannin | ↓ | ↔ | ↓26%* | N/A | ↓33% | [19,24] | |
↔* |
Different conclusions in cited references.