Research Center of Bioscience and Biotechnology, CTC Bio, Inc., 93 Jung-An Bldg., Ohkeum-Dong, Songpa-Gu, Seoul 138–858, South Korea.
β-Glucan, extracted from oat, enhances disease resistance against bacterial and parasitic infections
Article first published online: 9 JAN 2006
FEMS Immunology & Medical Microbiology
Volume 35, Issue 1, pages 67–75, January 2003
How to Cite
Yun, C.-H., Estrada, A., van Kessel, A., Park, B.-C. and Laarveld, B. (2003), β-Glucan, extracted from oat, enhances disease resistance against bacterial and parasitic infections. FEMS Immunology & Medical Microbiology, 35: 67–75. doi: 10.1016/S0928-8244(02)00460-1
- Issue published online: 9 JAN 2006
- Article first published online: 9 JAN 2006
- Received 20 June 2002, Revised 30 October 2002, Accepted 6 November 2002
- Staphylococcus aureus;
- Eimeria vermiformis;
The effect of β-glucan, extracted from oats, on the enhancement of resistance to infections caused by Staphylococcus aureus and Eimeria vermiformis was studied in mice. In vitro study using macrophages isolated from the peritoneal cavity showed that β-glucan treatment significantly enhanced phagocytic activity. In vivo study further demonstrated that β-glucan treatment induced a significant (P<0.05) protection against the challenge with 5×108 of S. aureus in mice. Fecal oocyst shedding in the C57BL/6 mice infected with E. vermiformis was diminished by β-glucan treatment by 39.6% in intraperitoneal and 28.5% in intragastric group compared to non-treated control. Patency period was shorter and antigen (sporozoites and merozoites) specific antibodies were significantly (P<0.05–0.01) higher in β-glucan-treated group compared to non-treated control group. There were an increasing number of splenic IFN-γ-secreting cells in glucan-treated group via intraperitoneal route, which might be responsible for the enhancement of the disease resistance. Glucan treatment was able to effectively change the lymphocytes population (Thy 1.2+, CD4+ and CD8+ cells) in the mesenteric lymph nodes and Peyer's patches in mice infected with E. vermiformis. In conclusion, the oral or parenteral oat β-glucan treatment enhanced the resistance to S. aureus or E. vermiformis infection in the mice.