Characterization of the serum and liver proteomes in gut-microbiota-lacking mice

Yu Tang Tung, Ying Ju Chen, Hsiao Li Chuang, Wen Ching Huang, Chun Tsung Lo, Chen Chung Liao, Chi Chang Huang

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Current nutrition research is focusing on health promotion, disease prevention, and performance improvement for individuals and communities around the world. The humans with required nutritional ingredients depend on both how well the individual is provided with balanced foods and what state of gut microbiota the host has. Studying the mutually beneficial relationships between gut microbiome and host is an increasing attention in biomedical science. The purpose of this study is to understand the role of gut microbiota and to study interactions between gut microbiota and host. In this study, we used a shotgun proteomic approach to reveal the serum and liver proteomes in gut-microbiota-lacking mice. For serum, 15 and 8 proteins were uniquely detected in specific-pathogen-free (SPF) and germ-free (GF) mice, respectively, as well as the 3 and 20 proteins were significantly increased and decreased, respectively, in GF mice compared to SPF mice. Among the proteins of the serum, major urinary protein 1 (MUP-1) of GF mice was significantly decreased compared to SPF mice. In addition, MUP-1 expression is primarily regulated by testosterone. Lacking in gut flora has been implicated in many adverse effects, and now we have found its pathogenic root maybe gut bacteria can regulate the sex-hormone testosterone levels. In the liver, 8 and 22 proteins were uniquely detected in GF mice and SPF mice, respectively, as well as the 14 and 30 proteins were significantly increased and decreased, respectively, in GF mice compared to SPF mice. Furthermore, ingenuity pathway analysis (IPA) indicated that gut microbiota influence the host in cancer, organismal injury and abnormalities, respiratory disease; cell cycle, cellular movement and tissue development; cardiovascular disease, reproductive system disease; and lipid metabolism, molecular transport and small molecule biochemistry. Our findings provide more detailed information of the role of gut microbiota and will be useful to help study gut bacteria and disease prevention.

Original languageEnglish
Pages (from-to)257-267
Number of pages11
JournalInternational Journal of Medical Sciences
Volume14
Issue number3
DOIs
Publication statusPublished - 2017
Externally publishedYes

Fingerprint

Proteome
Specific Pathogen-Free Organisms
Liver
Serum
Testosterone
Proteins
Gastrointestinal Microbiome
Bacteria
Firearms
Gonadal Steroid Hormones
Health Promotion
Lipid Metabolism
Biochemistry
Proteomics
Blood Proteins
Cell Cycle
Cardiovascular Diseases
Food
Wounds and Injuries

Keywords

  • Biomarker
  • Endurance swimming
  • Exercise
  • Germ-free
  • Gut flora
  • Metabolism

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Tung, Y. T., Chen, Y. J., Chuang, H. L., Huang, W. C., Lo, C. T., Liao, C. C., & Huang, C. C. (2017). Characterization of the serum and liver proteomes in gut-microbiota-lacking mice. International Journal of Medical Sciences, 14(3), 257-267. https://doi.org/10.7150/ijms.17792

Characterization of the serum and liver proteomes in gut-microbiota-lacking mice. / Tung, Yu Tang; Chen, Ying Ju; Chuang, Hsiao Li; Huang, Wen Ching; Lo, Chun Tsung; Liao, Chen Chung; Huang, Chi Chang.

In: International Journal of Medical Sciences, Vol. 14, No. 3, 2017, p. 257-267.

Research output: Contribution to journalArticle

Tung, Yu Tang ; Chen, Ying Ju ; Chuang, Hsiao Li ; Huang, Wen Ching ; Lo, Chun Tsung ; Liao, Chen Chung ; Huang, Chi Chang. / Characterization of the serum and liver proteomes in gut-microbiota-lacking mice. In: International Journal of Medical Sciences. 2017 ; Vol. 14, No. 3. pp. 257-267.
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