What does this research mean for the field?

Circ_0004214 overexpression protects human cardiomyocytes from doxorubicin-induced cardiotoxicity by sponging miR-22-3p to upregulate GATA4 expression. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

July 31, 2023Indian Journal of Experimental BiologyOpen Access

Circ₀004214 prevents human cardiomyocytes from doxorubicin induced cardiotoxicity by governing the miR-22-3p/GATA4 pathway

Q: What are the key findings of this study?

Circ_0004214 overexpression alleviated doxorubicin-induced cardiotoxicity in human cardiomyocytes by sponging miR-22-3p to upregulate GATA4 expression.

Q: What is the clinical evidence from this study?

Study design: Other. Population: Doxorubicin-induced cardiotoxicity. Intervention: circ_0004214 overexpression vs. Vector control / Doxorubicin alone. Primary outcome: Cell viability, apoptosis, and oxidative stress markers (p=<0.05).

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Key result

Circ_0004214 overexpression alleviates doxorubicin-induced cardiotoxicity in cardiomyocytes by sponging miR-22-3p to upregulate GATA4.

P<0.05

Why the study?

The mechanism underlying doxorubicin-induced cardiotoxicity remains obscure, particularly its association with deregulation of circ_0004214.

Does circ_0004214 overexpression prevent doxorubicin-induced cardiotoxicity in human cardiomyocytes?

Population

Human cardiomyocyte AC16 cells treated with doxorubicin

Comparison

Circ_0004214 overexpression vs doxorubicin treatment without circ_0004214 overexpression

Design

Preclinical molecular and cellular study

Authors

QGQi GuoSouthern University of Science and Technology LYLin YangSouthwest Petroleum University NLNan LiuShanghai Science and Technology Museum

Discussion

Member takes

Implication

No immediate clinical role in doxorubicin cardiotoxicity; hypothesis-generating for circ_0004214 modulation in human cardiomyocytes.

Structured PICO

Does circ_0004214 overexpression prevent doxorubicin-induced cardiotoxicity in human cardiomyocytes?

Population

In vitro study using human ventricular cardiomyocyte AC16 cells exposed to doxorubicin to investigate cardiotoxicity mechanisms.

Intervention

Overexpression of circ_0004214

Comparator

Doxorubicin treatment without circ_0004214 overexpression

Outcome

Cell viability, oxidative stress (LDH release, ROS production, MDA content, 4-HNE content), and apoptosissurrogate

Main Result

p-value: p=<0.05

Circ_0004214 protects against doxorubicin-induced cardiotoxicity in human cardiomyocytes by regulating the miR-22-3p/GATA4 pathway, suggesting a potential therapeutic target.

Limitations

Did not conduct animal experiments or any clinical tests
Did not examine the effects of DOX and circ_0004214 in other cell types to see if they show similar responses

Cite This Study

Guo et al. (2023) studied Doxorubicin-induced cardiotoxicity. circ_0004214 overexpression vs. Vector control / Doxorubicin alone was evaluated on Cell viability, apoptosis, and oxidative stress markers (p=<0.05). Circ_0004214 overexpression alleviated doxorubicin-induced cardiotoxicity in human cardiomyocytes by sponging miR-22-3p to upregulate GATA4 expression.

synapsesocial.com/papers/6aad093c88dbd9b6b8d3fb4b https://doi.org/10.56042/ijeb.v61i08.3674

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Circ₀004214 prevents human cardiomyocytes from doxorubicin induced cardiotoxicity by governing the miR-22-3p/GATA4 pathway

Discussion

Member takes

Implication

Structured PICO

Main Result

Limitations

Cite This Study

Circ₀004214 prevents human cardiomyocytes from doxorubicin induced cardiotoxicity by governing the miR-22-3p/GATA4 pathway

Discussion

Member takes

Implication

Structured PICO

Main Result

Limitations

Cite This Study

Also Consider

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