Targeted deletion of PAC1 receptors in retinal neurons enhances neuron loss and axonopathy in a model of multiple sclerosis and optic neuritis.

Van, Christina et al.·Neurobiology of disease·2021·Strong Evidenceanimal
RPEP-05839AnimalStrong Evidence2021RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
animal
Evidence
Strong Evidence
Sample
Mice with retinal neuron-specific PAC1 receptor deletion subjected to EAE
Participants
Mice with retinal neuron-specific PAC1 receptor deletion subjected to EAE

What This Study Found

Neuronal PAC1 receptor deletion caused retinal neuron loss at baseline and increased neuron death and optic nerve damage in EAE, proving cell-autonomous neuroprotection by PACAP.

Key Numbers

PAC1 deletion reduced RGN count at baseline; increased EAE neuron loss; increased optic nerve axonopathy; increased microglia/macrophage presence

How They Did This

Animal study. Used AAV2 to deliver Cre recombinase to retinal neurons of floxed PAC1 mice. Subjected to EAE (MS model). Measured retinal ganglion cell counts, dendrites, optic nerve pathology, and microglia presence.

Why This Research Matters

MS treatments control inflammation but do not stop neurons from dying. PACAP's direct neuron protection could fill this gap.

What This Study Doesn't Tell Us

Mouse model. EAE does not perfectly replicate human MS. Only retinal neurons were studied. Other neuron types may respond differently.

Trust & Context

Original Title:
Targeted deletion of PAC1 receptors in retinal neurons enhances neuron loss and axonopathy in a model of multiple sclerosis and optic neuritis.
Published In:
Neurobiology of disease, 160, 105524 (2021)
Database ID:
RPEP-05839

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study
What do these levels mean? →

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Cite This Study

RPEP-05839·https://rethinkpeptides.com/research/RPEP-05839

APA

Van, Christina; Condro, Michael C; Ko, Henly H; Hoang, Anh Q; Zhu, Ruoyan; Lov, Kenny; Ricaflanca, Patrick T; Diep, Anna L; Nguyen, Nhat N M; Lipshutz, Gerald S; MacKenzie-Graham, Allan; Waschek, James A. (2021). Targeted deletion of PAC1 receptors in retinal neurons enhances neuron loss and axonopathy in a model of multiple sclerosis and optic neuritis.. Neurobiology of disease, 160, 105524. https://doi.org/10.1016/j.nbd.2021.105524

MLA

Van, Christina, et al. "Targeted deletion of PAC1 receptors in retinal neurons enhances neuron loss and axonopathy in a model of multiple sclerosis and optic neuritis.." Neurobiology of disease, 2021. https://doi.org/10.1016/j.nbd.2021.105524

RethinkPeptides

RethinkPeptides Research Database. "Targeted deletion of PAC1 receptors in retinal neurons enhan..." RPEP-05839. Retrieved from https://rethinkpeptides.com/research/van-2021-targeted-deletion-of-pac1

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.