OSCR

Lack of cortistatin drives neuroimmune and vascular dysfunction in brain ischemia.

Overview

Authors: Julia Castillo-González1,2,3, Pablo Vargas-Rodríguez1, Ignacio Serrano-Martínez1, Alejandro Cuenca-Martagón1, Irene Forte-Lago1, Melanie Price2,3, Lara Buscemi2,3, Lorenz Hirt2,3, José Luis Ruiz1,4,5, Elena González-Rey1
  1. Institute of Parasitology and Biomedicine (IPBLN-CSIC), Granada, Spain
  2. University of Lausanne, Lausanne, Switzerland
  3. Lausanne University Hospital, Lausanne, Switzerland
  4. Functional Genomics Center Zurich, ETH Zurich and University of Zurich, Zurich, Switzerland
  5. Swiss Institute of Bioinformatics, Amphipôle, Quartier UNIL-Sorge, Lausanne, Switzerland
Journal: Journal of biomedical science, volume 33, issue 1, article 65
Dates: received 3 February 2026; accepted 13 June 2026; published online 20 June 2026
Type: Research article · Language: English
License: CC BY
Identifiers: DOI 10.1186/s12929-026-01271-w · PMID 42321803 · PMCID PMC13282875 · OpenAlex W7165380832
Open access: diamond, a free copy (OpenAlex)
Status: data only
Categories: human (organism), mouse (organism), stroke (population), cellular / molecular (subfield)
Methods: Spectral & time-frequency, Statistics, Machine learning, Connectivity, Complexity
Keywords: Ischemic stroke, Cortistatin, Neuroimmunology, Microglia, Astrocytes, Neuroinflammation, Blood–brain barrier
MeSH: Brain Ischemia*, Neuroimmunomodulation*, Neuroinflammatory Diseases*, Neuropeptides*, Animals, Disease Models, Animal, Humans, Male, Mice, Mice, Inbred C57BL (* major topic)
Topic: Neuroinflammation and Neurodegeneration Mechanisms (Neurology, Neuroscience), according to OpenAlex
Funding: Swiss National Science Foundation (310030, FNS 310030_212233, 212233); Spanish Ministry of Economy and Competitiveness (MCIN)/Spanish Research Agency (AEI)/10.13039/501100011033 (PRE2021-100172, PRE2018-084824, SAF2017-85602-R, FPU17/02616); Ministry of Economy and Competitiveness (MCIN)/Spanish Research Agency (AEI)/10.13039/501100011033 (FPU23/00152); Regional Andalusian Government (PROYEXCEL_00867); the Spanish Ministry of Economy and Competitiveness (MCIN)/Spanish Research Agency (AEI)/10.13039/501100011033 (PID2020-119638RB-I00); Fundación Ramón Areces (Post-doctoral fellowship)
Citations: not cited yet (Europe PMC); 113 references in the paper

Abstract

Background: Ischemic stroke remains a leading cause of death and disability, with limited therapies addressing its pathophysiology. Neuroinflammation, blood–brain barrier disruption, and immune dysregulation critically contribute to both acute neuronal injury and chronic functional decline. Elucidating the endogenous factors that govern these processes and understanding the intricate interplay among them is essential for developing effective therapeutic strategies. Cortistatin, a neuropeptide expressed in the nervous and immune systems, exhibits potent immunomodulatory actions, but its role in neuroinflammatory diseases remains unclear.

Methods: In this study, we combined human and murine transcriptomic analyses with a preclinical stroke model in cortistatin-deficient mice to investigate the endogenous and therapeutic roles of cortistatin during the acute (48 h) and subacute (7 days) phases of ischemic stroke.

Results: We demonstrate for the first time that cortistatin deficiency amplified ischemia-induced transcriptional programs, heightening neuroinflammation and glial/neurovascular dysfunction, and worsening neurological outcomes. Interestingly, cortistatin deficiency accelerated aging-associated pathological features, underscoring its essential role in neuroimmune and cerebrovascular homeostasis. Conversely, cortistatin administration improved neuronal survival, mitigated immune dysfunction, and preserved myelin and vascular integrity during both the acute and subacute stages.

Conclusions: These findings provide the first evidence identifying cortistatin as an endogenous neuroimmune regulator in ischemic stroke and a promising multimodal therapeutic agent for improving acute and long-term outcomes.

Supplementary Information: The online version contains supplementary material available at 10.1186/s12929-026-01271-w.

Reproduced under the paper's license (CC BY), from the paper cited above.

Code

The paper links to its data, not to its authors' code: see the Data section.

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Data

Datasets cited

Data availability

RNA-seq data are available in the GEO repository under accession number GSE302342 (https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE302342), https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE302342.

Reproduced under the paper's license (CC BY), from the paper cited above.

Versions

The history of this record: each version stored by the harvester or made by a correction of its authors or of the maintainers of its code, and what changed in its facts. The texts of the paper (its abstract, its availability statements) are not part of it; versions that changed only those are not listed.

Version 1, 27 September 2026: the first record

Recorded: type, language, journal, volume, issue, pages, dates, 10 authors, 7 keywords, 10 MeSH terms, 6 funders, 111 references.

Cite

This paper

Castillo-González, J., Vargas-Rodríguez, P., Serrano-Martínez, I., Cuenca-Martagón, A., Forte-Lago, I., Price, M., Buscemi, L., Hirt, L., Ruiz, J. L., & González-Rey, E. (2026). Lack of cortistatin drives neuroimmune and vascular dysfunction in brain ischemia. Journal of biomedical science, 33(1), 65. https://doi.org/10.1186/s12929-026-01271-w

BibTeX

@article{castillogonzalez2026lack,
author = {Castillo-González, Julia and Vargas-Rodríguez, Pablo and Serrano-Martínez, Ignacio and Cuenca-Martagón, Alejandro and Forte-Lago, Irene and Price, Melanie and Buscemi, Lara and Hirt, Lorenz and Ruiz, José Luis and González-Rey, Elena},
title = {{Lack of cortistatin drives neuroimmune and vascular dysfunction in brain ischemia}},
journal = {Journal of biomedical science},
year = {2026},
month = jun,
volume = {33},
number = {1},
pages = {65},
publisher = {BMC},
issn = {1021-7770},
doi = {10.1186/s12929-026-01271-w},
url = {https://doi.org/10.1186/s12929-026-01271-w},
pmid = {42321803},
pmcid = {PMC13282875}
}

RIS

TY - JOUR
AU - Castillo-González, Julia
AU - Vargas-Rodríguez, Pablo
AU - Serrano-Martínez, Ignacio
AU - Cuenca-Martagón, Alejandro
AU - Forte-Lago, Irene
AU - Price, Melanie
AU - Buscemi, Lara
AU - Hirt, Lorenz
AU - Ruiz, José Luis
AU - González-Rey, Elena
TI - Lack of cortistatin drives neuroimmune and vascular dysfunction in brain ischemia
T2 - Journal of biomedical science
J2 - J Biomed Sci
PY - 2026
DA - 2026/06/20
VL - 33
IS - 1
SP - 65
SN - 1021-7770
PB - BMC
DO - 10.1186/s12929-026-01271-w
UR - https://doi.org/10.1186/s12929-026-01271-w
LA - en
ER -

CSL-JSON

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