Why does null hypothesis testing of collagen orientation matter for target validation?

Testing the null hypothesis that collagen orientation does not influence mechanical failure enables rigorous validation of structural predictors for plaque rupture, supporting confident target selection in cardiovascular research.

How does independent variable isolation in SHG imaging fit the discovery pipeline?

Isolating collagen fiber orientation using SHG imaging allows precise attribution of mechanical outcomes to specific structural features, strengthening mechanistic insights during early discovery and target validation.

What do quantitative strain maps from DIC analysis enable in R&D?

Quantitative strain maps generated by digital image correlation provide spatially resolved mechanical readouts, enabling direct comparison of local tissue deformation with underlying collagen structure for robust mechanistic de-risking.

Why are replication requirements in plaque mechanical testing critical for collaboration?

Replication of mechanical and imaging assessments on the same tissue sample ensures data reliability and cross-functional comparability, facilitating collaborative decision-making across discovery and translational teams.

What statistical analysis capabilities are required before implementing fiber orientation assays?

Robust statistical tools are needed to extract and compare parameters such as predominant fiber angle and dispersion, ensuring that structural metrics are quantitatively linked to mechanical outcomes for actionable R&D insights.

Aterosklerotik Plak Fibröz Dokusunun Lokal Kollajen Yapısı ve Mekanik Özellikleri Arasındaki Korelasyonu İncelemek İçin Bir Yöntem

3.9K görüntüleme

5 kez atıf

13:45 dk

11 Kasım 2022

10.3791/64334-v

11 Kasım 2022

3.9K görüntüleme

Hanneke Crielaard¹ , Su Guvenir Torun¹ , Tamar B. Wissing¹^,² , Pablo de Miguel Muñoz¹^,³ , Gert-Jan Kremers⁴ , Frank J. H. Gijsen¹^,³ , Kim Van Der Heiden¹^,² , Ali C. Akyildiz¹^,³

¹Department of Biomedical Engineering, Erasmus Medical Center, ²Department of Biomedical Engineering, Eindhoven University of Technology, ³Department of Biomechanical Engineering, Delft University of Technology, ⁴Erasmus Optical Imaging Center, Erasmus Medical Center

Heterojen yapısal ve mekanik aterosklerotik plak özelliklerini incelemek için bir mekano-görüntüleme boru hattı geliştirdik. Bu boru hattı, lokal baskın açının korelasyonunu ve kollajen lifi oryantasyonunun dağılımını, kopma davranışını ve fibröz plak dokusunun gerinim parmak izlerini sağlar.