ArticleeLife2023
Melanopsin activates divergent phototransduction pathways in intrinsically photosensitive retinal ganglion cell subtypes.
Article in eLife, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 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
7 citing papers in PubMed, 13 citations in OpenAlex.
- The Diverse Role of ipRGCs in Visual Perception Beyond Non-Image-Forming Functions.The European journal of neuroscience · 2026Review
- RGS proteins: Potential regulators of mouse melanopsin's signaling phototransduction cascade across ipRGC subtypes.Biophysical journal · 2026Article
- Tbr2-dependent parallel pathways regulate the development of distinct ipRGC subtypes.Communications biology · 2026Article
- Non-visual opsins and their role in circadian photoentrainment.Eye and vision (London, England) · 2026Review
- Atypical Retinal Ganglion Cell Function in a Mouse Model of Fragile X Syndrome.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Flp-recombinase mouse line for genetic manipulation of ipRGCs.bioRxiv : the preprint server for biology · 2024Article
- Coexistence within one cell of microvillous and ciliary phototransductions across M1- through M6-IpRGCs.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
Abstract
Melanopsin signaling within intrinsically photosensitive retinal ganglion cell (ipRGC) subtypes impacts a broad range of behaviors from circadian photoentrainment to conscious visual perception. Yet, how melanopsin phototransduction within M1-M6 ipRGC subtypes impacts cellular signaling to drive diverse behaviors is still largely unresolved. The identity of the phototransduction channels in each subtype is key to understanding this central question but has remained controversial. In this study, we resolve two opposing models of M4 phototransduction, demonstrating that hyperpolarization-activated cyclic nucleotide-gated (HCN) channels are dispensable for this process and providing support for a pathway involving melanopsin-dependent potassium channel closure and canonical transient receptor potential (TRPC) channel opening. Surprisingly, we find that HCN channels are likewise dispensable for M2 phototransduction, contradicting the current model. We instead show that M2 phototransduction requires TRPC channels in conjunction with T-type voltage-gated calcium channels, identifying a novel melanopsin phototransduction target. Collectively, this work resolves key discrepancies in our understanding of ipRGC phototransduction pathways in multiple subtypes and adds to mounting evidence that ipRGC subtypes employ diverse phototransduction cascades to fine-tune cellular responses for downstream behaviors.
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What OpenQuestion holds
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.