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January 21, 2020Medical Science MonitorOpen Access

The Effects of Inhibition of MicroRNA-375 in a Mouse Model of Doxorubicin-Induced Cardiac Toxicity

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Key result

Inhibition of miR-375 prevented doxorubicin-induced oxidative stress and cardiomyocyte apoptosis in vivo and in vitro through the PDK1/AKT signaling pathway.

Why the study?

Inhibition of miR-375 reduces inflammation and increases cardiomyocyte survival, prompting investigation of its effects and mechanisms in doxorubicin-induced cardiac toxicity.

Does inhibition of miR-375 prevent oxidative damage and apoptosis in a mouse model of doxorubicin-induced cardiac toxicity?

Population

Mouse model of doxorubicin-induced cardiac toxicity and cultured rat and mouse cardiomyocytes

Comparison

miR-375 inhibitor vs no miR-375 inhibitor in doxorubicin-treated models

Design

In vivo mouse and in vitro cell culture experimental study

Authors

HZHao ZhangNortheast Agricultural UniversityYTYikui TianTianjin Medical University General HospitalDLDegang LiangTianjin Medical University General Hospital

Discussion

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Implication

Hypothesis-generating for miR-375 inhibition in doxorubicin cardiotoxicity; leaves open clinical translation from animal data.

Structured PICO

Does inhibition of miR-375 prevent oxidative damage and apoptosis in a mouse model of doxorubicin-induced cardiac toxicity?

P
Population
Mouse model of doxorubicin-induced cardiac toxicity (intraperitoneal injection of doxorubicin 15 mg/kg for eight days) and H9c2 rat cardiac myocytes and adult murine cardiomyocytes (AMCs) in vitro
I
Intervention
miR-375 inhibitor (single subcutaneous injection in vivo, pretreatment in vitro)
C
Comparator
Doxorubicin treatment without miR-375 inhibitor
O
Outcome
Myocardial redox homeostasis, oxidative stress, and cardiomyocyte apoptosissurrogate

Inhibition of miR-375 protects against doxorubicin-induced cardiac toxicity by reducing oxidative stress and apoptosis via the PDK1/AKT signaling pathway in preclinical models.

Cite This Study

Zhang et al. (2020) studied Doxorubicin-induced cardiac toxicity. miR-375 inhibitor vs. Doxorubicin without miR-375 inhibitor was evaluated on Oxidative stress and cardiomyocyte apoptosis. Inhibition of miR-375 prevented doxorubicin-induced oxidative stress and cardiomyocyte apoptosis in vivo and in vitro through the PDK1/AKT signaling pathway.

synapsesocial.com/papers/6a97462ca0842223b89bb824https://doi.org/10.12659/msm.920557
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Also Consider

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