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Related Concept Videos

MicroRNAs01:22

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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...
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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
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Author Spotlight: Development and Evaluation of a Compound Acne Rodent Model Using C. acnes and Oleic Acid
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A microRNA focus on acne.

Sarah Gordon1, Alison M Layton2,3, Sandra Fawcett4,5

  • 1School of Pharmacy, University of Birmingham.

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|July 3, 2024
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Summary

This review explores microRNA (miRNA) targets for novel acne vulgaris treatments. It highlights how miRNAs, like miR-146a-5p, interact with Cutibacterium acnes and inflammation, offering potential for future nucleic acid therapies.

Keywords:
keratinocytesmicroRNAnucleic acid therapeuticssebaceous glandskin

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Area of Science:

  • Dermatology and Molecular Biology
  • Investigating the role of microRNAs in skin inflammation and Cutibacterium acnes interactions.

Background:

  • Acne vulgaris is a common inflammatory skin condition impacting quality of life.
  • It involves pilosebaceous unit and Cutibacterium acnes (C. acnes) bacterial interactions.
  • Emerging nucleic acid therapies (NATs) show promise for various diseases.

Purpose of the Study:

  • To review promising microRNA (miRNA) targets for anti-acne therapy.
  • To outline acne pathophysiology and C. acnes functions.
  • To discuss the translational potential of miRNA-based acne treatments.

Main Methods:

  • Review of current literature on acne pathophysiology, C. acnes, and miRNA modulation in skin.
  • Analysis of the Toll-like receptor 2 axis involving miR-146a-5p and C. acnes.
  • Evaluation of other potential miRNA targets (miR-21-5p, miR-233-3p, miR-150-5p) in acne inflammation.

Main Results:

  • miR-146a-5p is a key regulator in sebocytes influenced by C. acnes biofilm and planktonic forms.
  • Specific miRNAs (miR-21-5p, miR-233-3p, miR-150-5p) are implicated in acne inflammatory pathways.
  • The review identifies potential miRNA targets for future anti-acne therapeutic strategies.

Conclusions:

  • MicroRNAs represent a promising avenue for developing novel nucleic acid therapies for acne vulgaris.
  • Understanding miRNA-C. acnes interactions is crucial for targeted anti-acne treatments.
  • Further research and patient involvement are key for translating miRNA-based therapies into clinical practice.