ArticleInvestigative ophthalmology & visual science2010
Large-scale binding of α-crystallin to cell membranes of aged normal human lenses: a phenomenon that can be induced by mild thermal stress.
Article in Investigative ophthalmology & visual science, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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Who cites it
35 citing papers in PubMed, 43 citations in OpenAlex.
- Age-Related Lens Membrane Composition and N101D Deamidation Modulate αA-Crystallin Membrane Interactions Relevant to Cataract.Investigative ophthalmology & visual science · 2026Article
- The Mammalian Ocular Lens in Focus: Development, Anatomy, Physiology, Transparency, Biomechanics, and Age-related Challenges.Journal of visualized experiments : JoVE · 2026Review
- Lens aging and disease: Molecular mechanisms, functional consequences, and pharmacological implications.Progress in retinal and eye research · 2026Review
- Preventing Age-Related Nuclear Cataract Development - Is Cholesterol the Key?Investigative ophthalmology & visual science · 2026Review
- Temperature and cholesterol regulate the association of native bovine lens alpha-crystallin with in vitro reconstituted membranes made of synthetically prepared lipids and cholesterol.Experimental eye research · 2026Article
- Lipid and Cholesterol Peroxidation Leads to α-Crystallin Membrane Aggregation and Cataract Formation.Investigative ophthalmology & visual science · 2025Article
- Cholesterol and Q147E Deamidation Modulates αA-Crystallin Membrane Binding Elucidating Protective Role of Lens Membrane Composition Changes With Aging.Investigative ophthalmology & visual science · 2025Article
- Identification of Age- and Cataract-Related Changes in High-Density Lens Protein Aggregates.Investigative ophthalmology & visual science · 2025Article
- Mechanical Properties of Eye Lens Cortical and Nuclear Membranes and the Whole Lens.Investigative ophthalmology & visual science · 2025Article
- Measurement of absolute abundance of crystallins in human and αA N101D transgenic mouse lenses usingExperimental eye research · 2024Article
- Association of Alpha-Crystallin with Human Cortical and Nuclear Lens Lipid Membrane Increases with the Grade of Cortical and Nuclear Cataract.International journal of molecular sciences · 2024Article
- Cholesterol Content Regulates the Interaction of αA-, αB-, and α-Crystallin with the Model of Human Lens-Lipid Membranes.International journal of molecular sciences · 2024Article
- Tissue, cellular, and molecular level determinants for eye lens stiffness and elasticity.Frontiers in ophthalmology · 2024Review
- Interaction of βInternational journal of molecular sciences · 2023Article
- Binding of βInternational journal of molecular sciences · 2023Article
- Binding of Alpha-Crystallin to Cortical and Nuclear Lens Lipid Membranes Derived from a Single Lens.International journal of molecular sciences · 2022Article
- Membrane elasticity modulated by cholesterol in model of porcine eye lens-lipid membrane.Experimental eye research · 2022Article
- Alpha-Crystallin Association with the Model of Human and Animal Eye Lens-Lipid Membranes is Modulated by Surface Hydrophobicity of Membranes.Current eye research · 2022Article
- An AFM Approach Applied in a Study of α-Crystallin Membrane Association: New Insights into Lens Hardening and Presbyopia Development.Membranes · 2022Article
- Alpha-Crystallin-Membrane Association Modulated by Phospholipid Acyl Chain Length and Degree of Unsaturation.Membranes · 2022Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
purposeWith age, large amounts of crystallins become associated with fiber cell membranes in the human lens nucleus, and it has been proposed that this binding of protein may lead to the obstruction of membrane pores and the onset of a barrier to diffusion. This study focused on membrane binding within the barrier region and the outermost lens cortex.
methodsHuman lenses across the age range were used, and the interaction of crystallins with membranes was examined using sucrose density gradient centrifugation, two-dimensional gel electrophoresis, and amine-reactive isobaric tagging technology. Lipids were quantified using shotgun lipidemics.
resultsBinding of proteins to cell membranes in the barrier region was found to be different from that in the lens nucleus because in the barrier and outer cortical regions, only one high-density band formed. Most of the membrane-associated protein in this high-density band was α-crystallin. Mild thermal stress of intact young lenses led to pronounced membrane binding of proteins and yielded a sucrose density pattern in all lens regions that appeared to be identical with that from older lenses.
conclusionsα-Crystallin is the major protein that binds to cell membranes in the barrier region of lenses after middle age. Exposure of young human lenses to mild thermal stress results in large-scale binding of α-crystallin to cell membranes. The density gradient profiles of such heated lenses appear to be indistinguishable from those of older normal lenses. The data support the hypothesis that temperature may be a factor responsible for age-related changes to the human lens.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.