Evidence map›Paper›PMID 39519316›Full record

ArticleInternational journal of molecular sciences2024

Sex and Age-Dependent Effects of miR-15a/16-1 Antagomir on Ischemic Stroke Outcomes.

Xinlei Huang, Shun Li, Na Qiu, Andrew Ni, Tianqing Xiong, Jia Xue, Ke-Jie Yin

Abstract read
In one paragraph

Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 citing papers in PubMed.

  1. Article
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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

7 authors.

Xinlei HuangDepartment of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.ORCID 0009-0009-7183-9237
Shun LiDepartment of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.ORCID 0000-0001-8601-2261
Na QiuDepartment of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
Andrew NiDepartment of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.ORCID 0000-0003-4090-7187
Tianqing XiongDepartment of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
Jia XueDepartment of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
Ke-Jie YinDepartment of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.ORCID 0000-0002-7169-3858

Funding

Long non-coding RNAs mediate white and grey matter integrity in vascular cognitive impairment and dementiaR01NS136154 · NINDS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Kejie Yin · 2024 to 2026
$1.9M
Targeting Kruppel-like Transcription Factor for White and Grey Matter Protection in Vascular Cognitive Impairment and DementiaR01NS131122 · NINDS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Kejie Yin · 2023 to 2026
$1.9M
American Heart Association 23TPA1068534NIH HHS R01NS131122NIH HHS R01NS136154
6 · The paper itself

Abstract

Ischemic stroke is a leading cause of disability and mortality worldwide. Recently, increasing evidence implicates microRNAs (miRs) in the pathophysiology of ischemic stroke. Studies have shown that miR-15a/16-1 is abnormally expressed in brains after ischemic stroke, and its upregulation may increase ischemic damage. Given that sex and age are significant modifiers of stroke outcomes, here we investigated whether inhibiting miR-15a/16-1 with antagomirs mitigates cerebral ischemia/reperfusion (I/R) injury in a sex- and age-dependent manner. Young (3 months) and aged (18 months) male and female C57/BL mice underwent 1-h middle cerebral artery occlusion and 3-7 days reperfusion (tMCAO). We administered miR-15a/16-1 antagomir (30 pmol/g) or control antagomir (NC, 30 pmol/g) via tail vein 2 h post-MCAO. Neurobehavioral testing and infarct volume assessment were performed on days 3 and 7. Compared to controls, antagomir treatment significantly improved neurobehavioral outcomes and reduced infarct volume in tMCAO mice at day 7, with the effects being more pronounced in young mice. Notably, young female mice exhibited superior survival and sensorimotor function compared to young male mice. These results were also replicated in a permanent MCAO (pMCAO) mice model. This suggests miR-15a/16-1 antagomir and estradiol may synergistically regulate genes involved in neurovascular cell death, inflammation, and oxidative stress, with sex and age-dependent expression of miR-15a/16-1 and its targets likely underlying the observed variations. Overall, our findings identify miR-15a/16-1 antagomir as a promising therapeutic for ischemic stroke and suggest that sex and age should be considered when developing miR-based therapeutic strategies.

Indexed as

AntagomirsIschemic StrokeMice, Inbred C57BLMicroRNAsAge FactorsAnimalsDisease Models, AnimalFemaleInfarction, Middle Cerebral ArteryMaleMiceReperfusion InjurySex CharacteristicsSex FactorsAntagomirsMicroRNAsMirn15a microRNA, mouseMirn16 microRNA, mouseantagomirMCAOmicroRNAsex and agestroke

Identifiers

PMID39519316
PMCPMC11546232

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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.