What question did this study set out to answer?

To elucidate the time-dependent contributions of specific platelet and coagulation pathways during thrombus and clot formation triggered by collagen and tissue factor.

December 29, 2021International Journal of Molecular SciencesOpen Access

Temporal Roles of Platelet and Coagulation Pathways in Collagen- and Tissue Factor-Induced Thrombus Formation

View Full Paper

Ask AI

Bookmark

Why the study?

Platelet and coagulation pathways are considered to operate concurrently in thrombus formation, but the time-dependency of these key pathways had not been investigated.

Population

Whole blood in a microfluidics assay with the Maastricht flow chamber

Comparison

Acute pharmacological blockade of molecular pathways at desired time points

Design

In vitro microfluidics whole-blood flow assay study

Authors

SNStefano NavarroUniversity of Würzburg DSDavid StegnerUniversity of Würzburg BNBernhard NieswandtVascular Medicine

Discussion

Member takes

Implication

May inform antithrombotic timing strategies; hypothesis-generating and requires in vivo validation before practice change.

Key Points

To elucidate the time-dependent contributions of specific platelet and coagulation pathways during thrombus and clot formation triggered by collagen and tissue factor.
Adapted a microfluidics whole-blood assay utilizing the Maastricht flow chamber over collagen- and tissue factor-coated surfaces.
Delivered acute pharmacological blockades at designated time points, including using the novel anti-GPVI Fab EMF-1, to selectively inhibit molecular pathways during thrombus development.
Glycoprotein VI (GPVI)-mediated platelet signaling via Syk kinase and factor VIIa-driven thrombin generation operated primarily during the first few minutes of thrombus buildup.
Platelet activation driven by protease-activated receptors 1/4 (PAR1/4) and integrin αIIbβ3 sustained activity into later stages, showing a more persistent contribution than collagen receptor signaling.

Structured PICO

Population

Whole blood in a microfluidics assay (Maastricht flow chamber) initiated by collagen and tissue factor surfaces

Intervention

Pharmacological blockade of molecular pathways (e.g., anti-GPVI Fab EMF-1) at specific time points

Outcome

Time-dependency of key pathways of thrombus and clot formationsurrogate

Thrombin receptor-induced platelet activation has a more persistent contribution to the thrombotic process than collagen receptor-induced platelet activation.

Cite This Study

Navarro et al. (2021) studied this question.

synapsesocial.com/papers/6a72c0b7e5469ee92be28c8b https://doi.org/10.3390/ijms23010358

View Full Paper

Ask AI

Bookmark

Temporal Roles of Platelet and Coagulation Pathways in Collagen- and Tissue Factor-Induced Thrombus Formation

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Temporal Roles of Platelet and Coagulation Pathways in Collagen- and Tissue Factor-Induced Thrombus Formation

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider