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Published on: July 12, 2018
Inbred wild type mouse strains have distinct spontaneous morphological phenotypes
R Serpi1, T Klein-Rodewald, J Calzada-Wack
1Institute of Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany.
Histology and Histopathology
|December 13, 2012
Summary
Understanding spontaneous lesions in wild-type mice is crucial for accurate disease modeling. This study screened six common mouse strains, revealing inherent morphological differences that impact genetic research and human disease translation.
Area of Science:
- Biomedical Science
- Animal Models
- Genetics
Background:
- Mice are vital for human disease modeling.
- Genetically modified mouse models are increasingly important.
- Baseline phenotypic data for wild-type mice are incomplete.
Purpose of the Study:
- To screen common inbred mouse strains for spontaneous morphological lesions.
- To provide baseline phenotypic data for accurate interpretation of mouse models.
- To assess how inherent lesions affect genetic manipulation outcomes.
Main Methods:
- Screening of haematoxylin-eosin stained tissue sections.
- Analysis of brain, reproductive organs, urinary bladder, kidney, thyroid, parathyroid, heart, lung, spleen, thymus, lymph nodes, adrenal glands, stomach, intestine, liver, skin, and pancreas.
- Evaluation of six common inbred mouse strains: C57BL6/J, C57BL6/NTac, C3HeB/FeJ, BALB/cByJ, 129P2/OlaHsd, and FVB/N.
Main Results:
- Spontaneous morphological phenotypes were observed in the liver, pancreas, adrenal glands, lungs, intestines, and heart.
- Inherent lesions vary among different mouse strains.
- These variations can influence the interpretation of gene function and experimental results.
Conclusions:
- Careful selection of background mouse strains is essential for genetic manipulations.
- Inherent lesions can confound the study of targeted genes.
- Accurate translation of mouse model results to human disease requires awareness of strain-specific baseline morphology.
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