Evidence map›Paper›PMID 41234167›Full record

ArticleBrain : a journal of neurology2026

Differential selectivity of microglia and astrocytes in HIV-1 gp120-induced synaptic pruning.

Zachary T Watson, Silvana Valdebenito-Silva, Michael Spurgat, Wenjuan Ru, Junying Zheng, Mark K Maurelli, Yuejin Liang, Subo Yuan, Eliseo Eugenin, Shao-Jun Tang

Abstract read
In one paragraph

Article in Brain : a journal of neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

  1. Review
  2. Article
  3. Article
  4. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Zachary T WatsonDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Silvana Valdebenito-SilvaDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Michael SpurgatDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Wenjuan RuDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Junying ZhengDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Mark K MaurelliStony Brook University Pain and Analgesia Research Center (SPARC) and Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA.
Yuejin LiangDepartment of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Subo YuanDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Eliseo EugeninDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.
Shao-Jun TangDepartment of Neurobiology, University of Texas Medical Branch, Galveston, TX 77555, USA.ORCID 0000-0002-6076-5481

Funding

Cooperative mechanisms of HIV and opiods in pain pathogenisisR01DA050530 · NIDA · UNIVERSITY OF TEXAS MED BR GALVESTON · PI CHUNG, JIN M, TANG, SHAO-JUN · 2019 to 2023
$3.2M
Metabolic strategies to eliminate CNS Myeloid Viral ReservoirsR01MH128082 · NIMH · UNIVERSITY OF TEXAS MED BR GALVESTON · PI EUGENIN, ELISEO A · 2021 to 2025
$3.1M
Antiretroviral Therapy and Neuroinflammation in the CNSR01NS095747 · NINDS · UNIVERSITY OF TEXAS MED BR GALVESTON · PI CHUNG, JIN M · 2016 to 2020
$2.6M
Cellular and circuitry mechanisms of NRTI-induced pain pathogenesis in the context of opioids and HIVR01DA057195 · NIDA · STATE UNIVERSITY NEW YORK STONY BROOK · PI SHAO-JUN TANG · 2022 to 2026
$2.5M
The spinal cell atlas of opioid-targeted inflammasomes in the HIV pain model: mechanism and pathogenic roleR01DA062257 · NIDA · STATE UNIVERSITY NEW YORK STONY BROOK · PI SHAO-JUN TANG · 2024 to 2026
$2.1M
Supplement to Pathogenesis of HIV-associated sensory neuropathyR01NS122571 · NINDS · UNIVERSITY OF TEXAS MED BR GALVESTON · PI YUAN, SUBO · 2021 to 2025
$2.1M
Targeting cell-to-cell communication to prevent bystander damage mediated by viral reservoirsR01MH134761 · NIMH · UNIVERSITY OF TEXAS MED BR GALVESTON · PI Eliseo A Eugenin · 2024 to 2026
$2.1M
NIDA NIH HHS R01 DA050530NIDA NIH HHS R01 DA057195NIDA NIH HHS R01 DA062257NIH HHS 5R01NS122571NIH HHS R01DA050530NIH HHS R01DA057195NIH HHS R01DA062257NIH HHS R01MH128082NIH HHS R01MH134761NIH HHS R01NS095747NIH HHS R01NS122571NINDS NIH HHS R01 NS095747NINDS NIH HHS R01 NS122571
6 · The paper itself

Abstract

Synapse loss is a common neuropathology in the CNS of HIV patients, likely contributing to neurological complications such as neurocognitive disorders and pain. However, the underlying mechanism remains poorly understood. Here, we show microglia- and astrocyte-mediated synaptic pruning of excitatory and inhibitory synapses in the frontal cortex (FC) and spinal dorsal horn (SDH) of HIV-1 gp120 transgenic (gp120Tg) mice compared with the wild-type (WT). Confocal imaging and 3D reconstruction revealed a significant increase of internalized synaptic elements in microglia and astroglia in gp120Tg mice, in a region- and synapse-type-specific manner. Microglia in the FC of gp120Tg mice showed increased pruning activity on the pre-synaptic but not post-synaptic compartment of both excitatory and inhibitory synapses. In contrast, microglia in the SDH of gp120Tg mice had increased pruning activity of both pre- and post-synaptic compartments excitatory and inhibitory compartments in the SDH. However, astrocytes in the gp120 transgenic model increased their pruning activity of both the pre- and post-synaptic compartments of excitatory but not inhibitory synapses in the FC and the SDH. We confirmed synaptic engulfment in viral reservoirs in the brain tissues of human HIV patients. These findings provide important insights into the pathogenic mechanism of synapse loss induced by HIV.

Indexed as

AstrocytesHIV Envelope Protein gp120MicrogliaNeuronal PlasticitySynapsesAnimalsHIV-1HumansMiceMice, Inbred C57BLMice, Transgenicgp120 protein, Human immunodeficiency virus 1HIV Envelope Protein gp120astrocytegp120HIV-1microgliasynapsesynaptic pruningviral reservoir

Identifiers

PMID41234167
PMCPMC13285724

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Registered trials

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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.