ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Immune Checkpoint PD-L1 Modulates Retinal Microglial Activation to Alleviate Vascular Leakage in Choroidal Neovascularization via ERK.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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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.
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Who cites it
5 citing papers in PubMed.
- AAV8-Mediated Retinal PD-L1 Gene Transfer Attenuates Experimental Autoimmune Uveitis by Restoring Local Immune Tolerance.Investigative ophthalmology & visual science · 2026Article
- T Cell-Independent Role of PD-L1 in Kidney Repair: Mitigation of Tubular DNA Damage via PD-L1/BRCA1 Interaction Following AKI.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Intestinal epithelial PIEZO1 regulates macrophage-to-myofibroblast transition via epithelial-derived TGF-α signaling in Crohn's disease.Cell communication and signaling : CCS · 2026Article
- Immunosenescence and inflammaging in Parkinson's disease: mechanisms and therapeutic prospects.Frontiers in immunology · 2026Review
- Immune Checkpoint PD-L1 Modulates Retinal Microglial Activation to Alleviate Vascular Leakage in Choroidal Neovascularization via ERK.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
Neovascular age-related macular degeneration (NVAMD) is a common retinal disease causing vision loss in the elderly. Neuroinflammation significantly contributes to NVAMD's etiology. This study explores the role of Programmed cell death ligand 1 (PD-L1), an immune checkpoint (ICP) in microglia, known for limiting neuroinflammation in neurodegenerative diseases, and its potential function in NVAMD. This work finds increased PD-L1 expression in retinal microglia following laser injury. PD-L1 knockout (KO) or inhibitory PD-L1 antibody treatment worsens vascular leakage and neoangiogenesis in a laser-induced NVAMD mouse model, effects reversible by microglia depletion with PLX5622. This study underscores that choroidal neovascularization (CNV) may be regulated by multiple mechanisms, with PD-L1 modulation representing one of these pathways. Blocking PD-L1 elevated proinflammatory factors and p-ERK levels, indicating microglial overactivation in NVAMD. Conversely, enhancing PD-L1 signaling reduced neuroinflammation and neovascularization via ERK. These findings highlight PD-L1's role in neoangiogenesis and neuroinflammation in NVAMD, suggesting its potential as a target for immunomodulatory treatment in NVAMD.
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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.