ArticleFrontiers in neuroscience2022
TNF-α Orchestrates Experience-Dependent Plasticity of Excitatory and Inhibitory Synapses in the Anterior Piriform Cortex.
Article in Frontiers in neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 5 citations in OpenAlex.
- TNF-dependent regulation of synaptic plasticity and neuronal activity: implications for psychiatric disorders.Molecular psychiatry · 2026Review
- The SP-MrgprX2 Axis in Allergic Rhinitis: a Neuro-immune Paradigm Beyond IgE-mediated Inflammation.Clinical reviews in allergy & immunology · 2026Review
- TNF-α Deficiency Reduces Parvalbumin Neuron Density, Impairs Homeostatic Plasticity, Disrupts Synaptic Excitation-Inhibition Balance, and Prevents Critical Period Closure in the Auditory Cortex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Understanding quantitative effects of anti-amyloid therapies on tau biomarkers and functional outcome. Insights from a comprehensive mechanistic quantitative systems pharmacology study.Frontiers in pharmacology · 2026Article
- Experience-dependent critical period for synaptic plasticity in the rat olfactory amygdala.Frontiers in synaptic neuroscience · 2026Review
- Response of iPSC-derived neurons from individuals with treatment-resistant depression to (2 R,6 R)-hydroxynorketamine and reelin: an exploratory study.Translational psychiatry · 2025Article
- The Role of TNF-α in Neuropathic Pain: An Immunotherapeutic Perspective.Life (Basel, Switzerland) · 2025Review
- Construction and validation of a cognitive frailty risk prediction model for elderly patients with colorectal cancer.Frontiers in aging neuroscience · 2025Article
- Construction and validation of a risk prediction model for oral frailty in elderly patients with esophageal cancer.Frontiers in oncology · 2025Article
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Homeostatic synaptic plasticity, which induces compensatory modulation of synapses, plays a critical role in maintaining neuronal circuit function in response to changing activity patterns. Activity in the anterior piriform cortex (APC) is largely driven by ipsilateral neural activity from the olfactory bulb and is a suitable system for examining the effects of sensory experience on cortical circuits. Pro-inflammatory cytokine tumor necrosis factor-α (TNF-α) can modulate excitatory and inhibitory synapses, but its role in APC is unexplored. Here we examined the role of TNF-α in adjusting synapses in the mouse APC after experience deprivation via unilateral naris occlusion. Immunofluorescent staining revealed that activity deprivation increased excitatory, and decreased inhibitory, synaptic density in wild-type mice, consistent with homeostatic regulation. Quantitative RT-PCR showed that naris occlusion increased the expression of Tnf mRNA in APC. Critically, occlusion-induced plasticity of excitatory and inhibitory synapses was completely blocked in the Tnf knockout mouse. Together, these results show that TNF-α is an important orchestrator of experience-dependent plasticity in the APC.
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