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Related Concept Videos

MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...

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Updated: May 29, 2026

CRISPR Gene Editing Tool for MicroRNA Cluster Network Analysis
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CRISPR Gene Editing Tool for MicroRNA Cluster Network Analysis

Published on: April 25, 2022

MicroRNA-7: a versatile player and core target in brain disorders.

Jianhua Deng1, Daosheng Li1, Zhiqi Li2

  • 1Department of Oncology, Jiujiang City Key Laboratory of Cell Therapy, Jiujiang No.1 People's Hospital, No.48 Taling South Road, Xunyang District, Jiujiang, Jiangxi Province, 332001, China.

Journal of Translational Medicine
|May 28, 2026
PubMed
Summary
This summary is machine-generated.

MicroRNA-7 (miR-7) is a key regulator in brain diseases, impacting neuroinflammation and protein aggregation. Its potential in diagnostics and therapeutics for neurological disorders is significant, though challenges remain for clinical translation.

Keywords:
Brain diseasesCeRNA networkEpigenetic regulationNano-delivery systemmiR-7

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • MicroRNA-7 (miR-7) is highly expressed in mammalian brain tissues.
  • Its function is intricately regulated by competing endogenous RNA (ceRNA) networks and epigenetic modifications.
  • This forms a complex, multi-layered regulatory system crucial for neural function.

Purpose of the Study:

  • To systematically review the biological characteristics and regulatory mechanisms of miR-7 in the nervous system.
  • To explore the roles of miR-7 in various neurological diseases.
  • To assess the clinical translation potential and challenges of miR-7.

Main Methods:

  • Systematic review of existing basic and clinical research on miR-7.
  • Analysis of miR-7's regulatory networks, including ceRNA interactions and epigenetic modifications.
  • Evaluation of miR-7's therapeutic targets and roles in disease pathogenesis.

Main Results:

  • miR-7 targets key factors involved in protein aggregation, neuroinflammation, mitochondrial dysfunction, and tumor progression.
  • It plays significant roles in Parkinson's disease, Alzheimer's disease, stroke, and glioblastoma.
  • Altered miR-7 levels in biofluids suggest diagnostic/prognostic potential, with nanomedicine enhancing therapeutic delivery.

Conclusions:

  • miR-7 is a critical regulatory molecule in brain diseases with substantial research and clinical value.
  • Further research using advanced technologies like single-cell sequencing is needed.
  • Addressing challenges in mechanism complexity and delivery systems is crucial for clinical application.