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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...
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Research Note: Intestinal morphology and gene expression changes in broilers supplemented with lysolecithin.

S E Cloft1, M Jia1, E A Wong1

  • 1Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.

Poultry Science
|June 5, 2021
PubMed
Summary
This summary is machine-generated.

Lysolecithin supplementation in broiler chicken diets with soybean oil did not alter jejunum morphology. However, it upregulated several genes, including carbonic anhydrase VII and interleukin 8-like 2, indicating potential benefits for gut health.

Keywords:
broiler chickensgene expressionjejunumlysolecithinsoybean oil

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Area of Science:

  • Animal Science
  • Poultry Nutrition
  • Gastrointestinal Physiology

Background:

  • Lysolecithin enhances fat digestion and absorption in broiler chickens.
  • Dietary fat source impacts broiler responses to lysolecithin.
  • Understanding lysolecithin's effects on soybean oil-based diets is crucial.

Purpose of the Study:

  • To investigate the impact of lysolecithin on jejunum morphology in broiler chickens fed a soybean oil-based diet.
  • To analyze the effect of lysolecithin on gene expression in the jejunum of broiler chickens.

Main Methods:

  • Male Cobb 500 chickens were fed a control diet or a diet supplemented with lysolecithin from hatch to day 28.
  • Jejunal samples were collected on day 10 for morphological and gene expression analysis.
  • Differential gene expression was analyzed using a custom microarray and t-test.

Main Results:

  • Lysolecithin supplementation did not significantly affect body weight, villus height, crypt depth, or the villus height/crypt depth ratio.
  • 36 genes were found to be upregulated in the lysolecithin-supplemented group compared to the control group.
  • Carbonic anhydrase VII and interleukin 8-like 2 were among the most upregulated genes, associated with intestinal health.

Conclusions:

  • Lysolecithin supplementation in broiler diets with soybean oil does not induce morphological changes in the jejunum.
  • Lysolecithin upregulates specific genes in the jejunum, suggesting a potential positive influence on gut function.
  • Further research is warranted to explore the functional implications of these gene expression changes.