Breeder diet strategies for generating ttpa-null and wild-type mice with low Vitamin E status to assess neurological outcomes

Katherine M. Ranard, Matthew J. Kuchan, John W. Erdman

Research output: Contribution to journalArticlepeer-review

Abstract

Studying vitamin E [α-tocopherol (α-T)] metabolism and function in the brain and other tissues requires an animal model with low α-T status, such as the transgenic α-T transfer protein (Ttpa)-null (Ttpa-/-) mousemodel. Ttpa dams can be used to produce Ttpa-/- and Ttpa-/- for these studies. However, the α-T content in Ttpa dams' diet requires optimization; diets must provide sufficient α-T for reproduction, while minimizing the transfer of α-T to the offspring destined for future studies that require low baseline α-T status. The goal of this work was to assess the effectiveness and feasibility of 2 breeding diet strategies on reproduction outcomes and offspring brain α-T concentrations. These findings will help standardize the breeding methodology used to generate the Ttpa-/- mice for neurological studies.

Original languageEnglish (US)
JournalCurrent Developments in Nutrition
Volume4
Issue number11
DOIs
StatePublished - Nov 1 2020

Keywords

  • Breeding diet strategies
  • Mouse
  • Reproduction
  • Vitamin E
  • α-tocopherol transfer protein

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science
  • Nutrition and Dietetics

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