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Related Concept Videos

Cell Specific Gene Expression01:58

Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
Cell Specific Gene Expression01:58

Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
Reporter Genes02:11

Reporter Genes

Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually produce visually identifiable characteristics like fluorescence and luminescence when expressed along with the gene of interest. Thus, reporter genes “report” the presence or absence of genes of interest in an organism, determine the gene expression pattern, or track the physical location of a DNA segment or protein in the cell.
Commonly used reporter...
Exon Recombination02:32

Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes. 
Exon shuffling follows “splice frame rules.” Each exon has three reading...

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Related Experiment Video

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Analysis of Epididymal Protein Synthesis and Secretion
10:23

Analysis of Epididymal Protein Synthesis and Secretion

Published on: August 25, 2018

Region-specific gene expression in the epididymis.

Clémence Belleannée1, Véronique Thimon, Robert Sullivan

  • 1Département d'Obstétrique-Gynécologie, Faculté de Médecine, Centre de Recherche du Centre Hospitalier de l'Université Laval, Université Laval, Quebec City, Canada. clemence.belleannee@crchuq.ulaval.ca

Cell and Tissue Research
|March 20, 2012
PubMed
Summary

The epididymis facilitates sperm maturation through distinct regional functions. Understanding its region-specific gene expression, including small RNAs, is key to male fertility research.

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Area of Science:

  • Reproductive Biology
  • Molecular Endocrinology
  • Sperm Biology

Background:

  • The epididymis is crucial for post-testicular sperm maturation, enabling motility and fertilization.
  • It comprises distinct anatomical regions (caput, corpus, cauda) with unique gene expression.
  • Region-specific gene expression in the epididymis is influenced by hormones, lumicrine factors, and temperature.

Purpose of the Study:

  • To investigate the mechanisms governing region-specific gene expression within the epididymis.
  • To explore the role of small RNAs in regulating epididymal gene expression.
  • To identify potential clinical applications for male fertility treatments.

Main Methods:

  • Analysis of spatially restricted gene expression patterns in epididymal regions.
  • Investigation of regulatory factors affecting gene expression, including steroid hormones and lumicrine factors.
  • Examination of the contribution of small RNAs to epididymal gene regulation.

Main Results:

  • The epididymis exhibits distinct gene expression profiles across its caput, corpus, and cauda regions.
  • Environmental and molecular factors significantly influence epididymal gene expression patterns.
  • Small RNAs have emerged as important regulators of gene expression in the epididymis.

Conclusions:

  • The epididymis serves as a model system for studying region-specific gene expression.
  • Understanding epididymal gene regulation is vital for male reproductive health.
  • Small RNA research in the epididymis offers promising avenues for addressing male infertility.