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Related Concept Videos

Chromatin Structure Regulates pre-mRNA Processing02:41

Chromatin Structure Regulates pre-mRNA Processing

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In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
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In eukaryotic cells, transcripts made by RNA polymerase are modified and processed before exiting the nucleus. Unprocessed RNA is called precursor mRNA or pre-mRNA to distinguish it from mature mRNA.
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Updated: Dec 14, 2025

RiboTag Immunoprecipitation in the Germ Cells of the Male Mouse
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Optimization of sperm RNA processing for developmental research.

Won-Ki Pang1, Saehan Kang1, Do-Yeal Ryu1

  • 1Department of Animal Science and Technology and BET Research Institute, Chung-Ang University, Anseong, Gyeonggi-do, 17546, Republic of Korea.

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|July 16, 2020
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Summary

Optimizing sperm RNA processing enhances male fertility prediction. This new method accurately assesses fertility markers like equatorin and peroxiredoxin, crucial for understanding life

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Area of Science:

  • Reproductive Biology
  • Sperm Transcriptomics
  • Epigenetics

Background:

  • Sperm RNA plays a vital role in transmitting crucial genetic information.
  • Optimizing transcriptomic tools is essential for deciphering sperm RNA messages.
  • Current methods require refinement for accurate male fertility assessment.

Purpose of the Study:

  • To optimize sperm RNA processing from sample storage to quantitative real-time PCR.
  • To evaluate an optimized method for assessing male fertility using sperm RNA markers.
  • To establish a reliable protocol for predicting male fertility and offspring outcomes.

Main Methods:

  • Sperm RNA isolation and processing protocols were optimized following Minimum Information for Publication of Quantitative Real-Time PCR Experiments guidelines.
  • Comparative analysis of different processing options using boar spermatozoa.
  • Assessment of the relationship between equatorin (EQTN) and peroxiredoxin (PRDX) mRNA expression and male fertility (litter size) in 20 boars.

Main Results:

  • DNase treatment during RNA isolation significantly decreased RNA concentration and eliminated the correlation between EQTN/PRDX4 mRNA expression and male fertility.
  • The optimized sperm RNA processing method demonstrated superior exon sequence expression.
  • The optimized protocol showed high consistency and predictive power for male fertility.

Conclusions:

  • Optimized sperm RNA processing is critical for accurate male fertility assessment.
  • DNase treatment negatively impacts RNA yield and fertility correlation analysis.
  • This refined protocol offers a reliable tool for studying the role of sperm RNA in offspring development and predicting male fertility.