Fig. 5
Fig. 5. ADP dose response for the full platelet model. (A) Relative fluorescence of Fluo-4–loaded human platelets was measured after treatment with 100 nM, 1 μM, or 10 μM ADP. (B-F) After 1 minute of simulated rest, the platelet model was activated by setting the extracellular [ADP] to 100 nM, 1 μM, or 10 μM. Deterministic computation of (B) [Ca2+]i, (C) [IP3], (D) [PLC-β*], (E) deactivated [PLC-β], and (F) activated [Gq·GTP]. (G,H) Gel-filtered human platelets were activated with ADP and maximal changes in (G) [Ca2+]i and (H) [IP3] from basal levels were measured.36 For panels G and H, simulated responses are plotted in red.

ADP dose response for the full platelet model. (A) Relative fluorescence of Fluo-4–loaded human platelets was measured after treatment with 100 nM, 1 μM, or 10 μM ADP. (B-F) After 1 minute of simulated rest, the platelet model was activated by setting the extracellular [ADP] to 100 nM, 1 μM, or 10 μM. Deterministic computation of (B) [Ca2+]i, (C) [IP3], (D) [PLC-β*], (E) deactivated [PLC-β], and (F) activated [Gq·GTP]. (G,H) Gel-filtered human platelets were activated with ADP and maximal changes in (G) [Ca2+]i and (H) [IP3] from basal levels were measured.36  For panels G and H, simulated responses are plotted in red.

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