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Published on: March 6, 2018
2-Bromopalmitate-Induced Intestinal Flora Changes and Testicular Dysfunction in Mice
Yuxuan Ma1, Yining Chen1, Long Li1
1College of Animal Science and Technology, Northwest A&F University, No. 22 Xinong Road, Yangling 712100, China.
Abstract:
2-Bromopalmitate (2-BP) is a palmitoylation inhibitor that can prevent the binding of palmitic acid to proteins, thereby exhibiting significant effects in promoting inflammation and regulating the immune system. However, limited research has been conducted regarding the direct effects of 2-BP on the animal organism. Therefore, we probed mice injected with 2-BP for altered expression of inflammatory genes, with a focus on demonstrating changes in the intestinal flora as well as damage to the reproductive system. Our findings indicate that 2-BP can induce substantial inflammatory responses in visceral organs and cause testicular dysfunction. The key changes in the gut microbiota were characterized by an abundance of Firmicutes, Clostridiales, Rikenellaceae_RC9_gut_group, Desulfovibrio, Muribaculaceae, and Alistipes, and their metabolism has been intricately linked to visceral inflammation. Overall, the findings of this study provide a sound scientific basis for understanding the impact of high doses of 2-BP in mammals, while also offering crucial support for the development of preclinical models to suppress palmitoylation.
Insights
2-Bromopalmitate (2-BP) induces inflammation and testicular dysfunction in mice. This palmitoylation inhibitor alters gut microbiota, impacting visceral inflammation and offering insights for preclinical models.
Area of Science:
- Biochemistry
- Immunology
- Microbiology
Background:
- 2-Bromopalmitate (2-BP) is a palmitoylation inhibitor affecting protein binding.
- Its direct effects on mammalian organisms, particularly the reproductive system and gut microbiota, are not well-documented.
Purpose of the Study:
- To investigate the impact of 2-BP on inflammatory gene expression in mice.
- To identify alterations in intestinal flora and assess damage to the reproductive system following 2-BP administration.
Main Methods:
- Mice were injected with 2-BP.
- Analysis of inflammatory gene expression.
- Assessment of changes in gut microbiota composition.
- Evaluation of testicular damage.
Main Results:
- 2-BP induced significant inflammatory responses in visceral organs.
- Testicular dysfunction was observed in mice treated with 2-BP.
- Key gut microbiota shifts included increased abundance of Firmicutes, Clostridiales, Rikenellaceae_RC9_gut_group, Desulfovibrio, Muribaculaceae, and Alistipes.
- Microbial metabolism was linked to visceral inflammation.
Conclusions:
- 2-BP causes visceral inflammation and testicular dysfunction in mammals.
- Significant alterations in gut microbiota composition are associated with 2-BP treatment.
- Findings support the use of 2-BP in preclinical models for palmitoylation suppression.
