Biology and biomechanics of the heart valve extracellular matrix

KM Kodigepalli, K Thatcher, T West… - Journal of …, 2020 - mdpi.com
Heart valves are dynamic structures that, in the average human, open and close over
100,000 times per day, and 3× 109 times per lifetime to maintain unidirectional blood flow …

[HTML][HTML] Heart valve biomechanics and underlying mechanobiology

S Ayoub, G Ferrari, RC Gorman… - Comprehensive …, 2016 - ncbi.nlm.nih.gov
Heart valves control unidirectional blood flow within the heart during the cardiac cycle. They
have a remarkable ability to withstand the demanding mechanical environment of the heart …

A review of the epithelial and stromal effects of corneal collagen crosslinking

S Bradford, S Luo, D Brown, T Juhasz, J Jester - The ocular surface, 2023 - Elsevier
Induced corneal collagen crosslinking and mechanical stiffening via ultraviolet-A
photoactivation of riboflavin (UVA CXL) is now a common treatment for corneal ectasia and …

Spatial patterns and age-related changes of the collagen crimp in the human cornea and sclera

A Gogola, NJ Jan, B Brazile, P Lam… - … & visual science, 2018 - iovs.arvojournals.org
Purpose: Collagen is the main load-bearing component of the eye, and collagen crimp is a
critical determinant of tissue mechanical behavior. We test the hypothesis that collagen …

Radial and circumferential collagen fibers are a feature of the peripapillary sclera of human, monkey, pig, cow, goat, and sheep

A Gogola, NJ Jan, KL Lathrop… - … ophthalmology & visual …, 2018 - iovs.arvojournals.org
Purpose: To test the hypothesis that human, monkey, pig, sheep, cow, and goat eyes exhibit
circumferential, radial, and interweaving collagen architecture in the posterior sclera …

Sinoatrial node structure, mechanics, electrophysiology and the chronotropic response to stretch in rabbit and mouse

EA MacDonald, J Madl, J Greiner, AF Ramadan… - Frontiers in …, 2020 - frontiersin.org
The rhythmic electrical activity of the heart's natural pacemaker, the sinoatrial node (SAN),
determines cardiac beating rate (BR). SAN electrical activity is tightly controlled by multiple …

Collagen fiber recruitment: a microstructural basis for the nonlinear response of the posterior pole of the eye to increases in intraocular pressure

NJ Jan, IA Sigal - Acta biomaterialia, 2018 - Elsevier
Our goal was to quantify and characterize how the collagen fiber crimp waviness of the
lamina cribrosa (LC) and peripapillary sclera (PPS) changes with intraocular pressure (IOP) …

A noninvasive method for the determination of in vivo mitral valve leaflet strains

BV Rego, AH Khalighi, A Drach, EK Lai… - … journal for numerical …, 2018 - Wiley Online Library
Assessment of mitral valve (MV) function is important in many diagnostic, prognostic, and
surgical planning applications for treatment of MV disease. Yet, to date, there are no …

A functionally graded material model for the transmural stress distribution of the aortic valve leaflet

BV Rego, MS Sacks - Journal of biomechanics, 2017 - Elsevier
Heterogeneities in structure and stress within heart valve leaflets are of significant concern
to their functional physiology, as they affect how the tissue constituents remodel in response …

Microstructural crimp of the lamina cribrosa and peripapillary sclera collagen fibers

NJ Jan, C Gomez, S Moed… - … & visual science, 2017 - iovs.arvojournals.org
Purpose: Although collagen microstructural crimp is a major determinant of ocular
biomechanics, no direct measurements of optic nerve head (ONH) crimp have been …