The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review

BACKGROUND: When a seizure occurs, the distribution of purine receptors in different cell types at various time points remains poorly understood. Our literature review revealed that P2X7, P2Y6, and P2Y12 are expressed in different cells during epilepsy pathogenesis. Therefore, we studied the protein...

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Main Authors: Yue Li, Fengru Tang, Yumin Luo
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2024-12-01
Series:Brain Circulation
Subjects:
Online Access:https://journals.lww.com/10.4103/bc.bc_27_24
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author Yue Li
Fengru Tang
Yumin Luo
author_facet Yue Li
Fengru Tang
Yumin Luo
author_sort Yue Li
collection DOAJ
description BACKGROUND: When a seizure occurs, the distribution of purine receptors in different cell types at various time points remains poorly understood. Our literature review revealed that P2X7, P2Y6, and P2Y12 are expressed in different cells during epilepsy pathogenesis. Therefore, we studied the protein expression patterns of the purinergic receptors P2X7, P2Y6, and P2Y12 in the normal mice hippocampus, as well as during or after pilocarpine-induced status epilepticus (DPISE or APISE). MATERIALS AND METHODS: Immunohistochemical staining and double-labeling immunofluorescence staining were used to study the cellular distribution of various purinergic receptors across several groups: control, 2-hour DPISE, 1-day APISE, 2-day APISE, 3-day APISE, and 1-week APISE. RESULTS: In the normal mouse brain, P2X7, P2Y6, and P2Y12 were predominantly expressed in the neurons. Microglia and astrocytes were found to express these receptors at the onset of seizures. Immunofluorescence analysis showed that P2X7 and P2Y12 are expressed in microglia, whereas P2Y6 is mainly expressed in astrocytes. CONCLUSION: Different purinergic receptors are expressed in neurons, microglia, and astrocytes, mediate their interactions, and are involved in epileptogenesis.
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spelling doaj-art-2adfa30ca81840489c7b779ea1fd5a5c2025-01-07T05:14:06ZengWolters Kluwer Medknow PublicationsBrain Circulation2455-46262024-12-0110434335310.4103/bc.bc_27_24The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature reviewYue LiFengru TangYumin LuoBACKGROUND: When a seizure occurs, the distribution of purine receptors in different cell types at various time points remains poorly understood. Our literature review revealed that P2X7, P2Y6, and P2Y12 are expressed in different cells during epilepsy pathogenesis. Therefore, we studied the protein expression patterns of the purinergic receptors P2X7, P2Y6, and P2Y12 in the normal mice hippocampus, as well as during or after pilocarpine-induced status epilepticus (DPISE or APISE). MATERIALS AND METHODS: Immunohistochemical staining and double-labeling immunofluorescence staining were used to study the cellular distribution of various purinergic receptors across several groups: control, 2-hour DPISE, 1-day APISE, 2-day APISE, 3-day APISE, and 1-week APISE. RESULTS: In the normal mouse brain, P2X7, P2Y6, and P2Y12 were predominantly expressed in the neurons. Microglia and astrocytes were found to express these receptors at the onset of seizures. Immunofluorescence analysis showed that P2X7 and P2Y12 are expressed in microglia, whereas P2Y6 is mainly expressed in astrocytes. CONCLUSION: Different purinergic receptors are expressed in neurons, microglia, and astrocytes, mediate their interactions, and are involved in epileptogenesis.https://journals.lww.com/10.4103/bc.bc_27_24astrocytesmicroglianeuronp2x7p2y12p2y6purinergic receptorsstatus epilepticus
spellingShingle Yue Li
Fengru Tang
Yumin Luo
The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review
Brain Circulation
astrocytes
microglia
neuron
p2x7
p2y12
p2y6
purinergic receptors
status epilepticus
title The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review
title_full The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review
title_fullStr The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review
title_full_unstemmed The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review
title_short The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review
title_sort cellular distribution of p2x7 p2y6 and p2y12 during or after pilocarpine induced status epilepticus and literature review
topic astrocytes
microglia
neuron
p2x7
p2y12
p2y6
purinergic receptors
status epilepticus
url https://journals.lww.com/10.4103/bc.bc_27_24
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