2020
DOI: 10.1093/nsr/nwaa063
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Biomechanical research into lamina cribrosa in glaucoma

Abstract: Glaucoma, a leading cause of irreversible blindness, poses a considerable public health challenge and burden. Mechanical models of the lamina cribrosa under elevated intraocular pressure at different scales, contributing significantly to uncovering the glaucomatous pathogenesis, are discussed. Meanwhile, the open issues and avenues for further development are highlighted.

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Cited by 8 publications
(5 citation statements)
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“…В результате сложных каскадных реакций происходит ремоделирование коллагена РМС и окружающей ее перипапиллярной склеры [31,32]. Следствием является деформация мембраны и ущемление проходящих через ее отверстия пучков нервных волокон и сосудов (рис.…”
Section: теория трансмембранного градиента давления в патогенез гндunclassified
“…В результате сложных каскадных реакций происходит ремоделирование коллагена РМС и окружающей ее перипапиллярной склеры [31,32]. Следствием является деформация мембраны и ущемление проходящих через ее отверстия пучков нервных волокон и сосудов (рис.…”
Section: теория трансмембранного градиента давления в патогенез гндunclassified
“…The perforated lamina cribrosa (LC) is the weakest part of the sclera, and it is where the RGC axons pierce through the minute perforations to form the optic nerve, while the central retinal artery and vein pass through the LC via a larger central aperture [15]. Elevated IOP resulted from the imbalance between the production and drainage of aqueous humor, which led to the irreversible backwards bowing of the LC, in the process known as 'cupping' [16]. Optic nerve cupping is characterized by the remodeling of the extracellular matrix (ECM) and fibrosis in the LC [17].…”
Section: Mechanical Hypothesismentioning
confidence: 99%
“…Glaucomatous LC cells showed increased ECM gene expression and elevated intracellular calcium, which is known to promote proliferation, activation and contractility in fibroblasts via the nuclear factor of activated T cells/calcium signaling pathway [17]. This deformation damages the optic nerve and capillaries passing through the LC, disturbing the anterograde axonal transportation of RGCs, which then ultimately triggers visual field defects in glaucoma [16]. Furthermore, elevated IOP also resulted in activated pro-fibrotic pathway-induced ECM accumulation in the TM, leading to less efficient aqueous humor outflow, thereby causing further damage to the LC [18].…”
Section: Mechanical Hypothesismentioning
confidence: 99%
“…Glaucoma is now recognized as a group of progressive optic neuropathies characterized by excavation or cupping of the optic disc and corresponding visual field loss ( 3 , 4 ). Elevated intraocular pressure (IOP), a major risk factor for the development and progression of glaucoma, is considered to impair the lamina cribrosa, resulting in a loss of normal structural and metabolic support for retinal ganglion cell (RGC) axon and impaired axoplasmic transport ( 5 7 ) ( Fig. 1 ).…”
Section: Introductionmentioning
confidence: 99%