ArticleDevelopment (Cambridge, England)2014
Nuclear removal during terminal lens fiber cell differentiation requires CDK1 activity: appropriating mitosis-related nuclear disassembly.
Article in Development (Cambridge, England), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
48 citing papers in PubMed, 1 synthesis or guideline pooled it, 65 citations in OpenAlex.
- Transcriptome Meta-Analysis Uncovers Cell-Specific Regulatory Relationships in Embryonic, Juvenile, Adult, and Aged Mouse Lens Epithelium and Fibers.Investigative ophthalmology & visual science · 2025Pooled it
- The Mammalian Ocular Lens in Focus: Development, Anatomy, Physiology, Transparency, Biomechanics, and Age-related Challenges.Journal of visualized experiments : JoVE · 2026Review
- Nucleolar ribosomal RNA synthesis continues in differentiating lens fiber cells until abrupt nuclear degradation required for ocular lens transparency.RNA biology · 2025Review
- The 3D Genome Structure of a Blcap-Linked Silencer Loop Regulates Terminal Differentiation During Lens Fiber Cell Denucleation.Investigative ophthalmology & visual science · 2025Article
- Hypoxia-Driven Histone Modifications Govern Gene Regulation for Mature Eye Lens Formation.Investigative ophthalmology & visual science · 2025Article
- Article
- Cdk1 Deficiency Extends the Postnatal Window of Cardiomyocyte Proliferation and Restores Cardiac Function after Myocardial Infarction.International journal of molecular sciences · 2024Article
- Non-apical mitoses contribute to cell delamination during mouse gastrulation.Nature communications · 2024Article
- Analysis of long-range chromatin contacts, compartments and looping between mouse embryonic stem cells, lens epithelium and lens fibers.Epigenetics & chromatin · 2024Article
- Multiomic analysis implicates FOXO4 in genetic regulation of chick lens fiber cell differentiation.Developmental biology · 2023Article
- The involvement of caspases in the process of nuclear removal during lens fiber cell differentiation.Cell death discovery · 2023Article
- Single-Cell RNA Sequencing Analysis of the Early Postnatal Mouse Lens Epithelium.Investigative ophthalmology & visual science · 2023Article
- Impacts of autophagy on the formation of organelle-free zone during the lens development.Molecular biology reports · 2023Review
- Multiomics Analysis Reveals Novel Genetic Determinants for Lens Differentiation, Structure, and Transparency.Biomolecules · 2023Review
- Repurposing a Cyclin-Dependent Kinase 1 (CDK1) Mitotic Regulatory Network to Complete Terminal Differentiation in Lens Fiber Cells.Investigative ophthalmology & visual science · 2023Article
- AUTOPHAGY IN THE EYE: FROM PHYSIOLOGY TO PATHOPHYSOLOGY.Autophagy reports · 2023Article
- Proteostasis in aging-associated ocular disease.Molecular aspects of medicine · 2022Review
- Soemmerring's Rings Developed around IOLs, in Human Donor Eyes, Can Present Internal Transparent Areas.International journal of molecular sciences · 2022Article
- TFEB-Mediated Lysosomal Restoration Alleviates High Glucose-Induced Cataracts Via Attenuating Oxidative Stress.Investigative ophthalmology & visual science · 2022Article
- Article
Corrections and comments
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Authors and funding
10 authors at 5 institutions in 3 countries.
Funding
Abstract
Lens epithelial cells and early lens fiber cells contain the typical complement of intracellular organelles. However, as lens fiber cells mature they must destroy their organelles, including nuclei, in a process that has remained enigmatic for over a century, but which is crucial for the formation of the organelle-free zone in the center of the lens that assures clarity and function to transmit light. Nuclear degradation in lens fiber cells requires the nuclease DNase IIβ (DLAD) but the mechanism by which DLAD gains access to nuclear DNA remains unknown. In eukaryotic cells, cyclin-dependent kinase 1 (CDK1), in combination with either activator cyclins A or B, stimulates mitotic entry, in part, by phosphorylating the nuclear lamin proteins leading to the disassembly of the nuclear lamina and subsequent nuclear envelope breakdown. Although most post-mitotic cells lack CDK1 and cyclins, lens fiber cells maintain these proteins. Here, we show that loss of CDK1 from the lens inhibited the phosphorylation of nuclear lamins A and C, prevented the entry of DLAD into the nucleus, and resulted in abnormal retention of nuclei. In the presence of CDK1, a single focus of the phosphonuclear mitotic apparatus is observed, but it is not focused in CDK1-deficient lenses. CDK1 deficiency inhibited mitosis, but did not prevent DNA replication, resulting in an overall reduction of lens epithelial cells, with the remaining cells possessing an abnormally large nucleus. These observations suggest that CDK1-dependent phosphorylations required for the initiation of nuclear membrane disassembly during mitosis are adapted for removal of nuclei during fiber cell differentiation.
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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.