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Aim
This study examined the effect of a 12-week Lab4 probiotics and fructooligosaccharide supplementation programme on ex-vivo pro-inflammatory and anti-inflammatory cytokine production by peripheral blood mononuclear cells extracted from healthy volunteers.
Method
- 20 healthy volunteers received a supplement comprising 25 billion Lab4 probiotics and 2g of fructooligosaccharide (FOS) daily for 12 weeks.
- Blood samples were collected at the start, 6 and 12 weeks.
- Peripheral blood mononuclear cells (PBMCs) were isolated from the blood samples and cultured ex-vivo in the absence (‘resting’) or presence (challenge) of lipopolysaccharide (bacterial toxin).
The results
In the ‘resting’ immune state:
- Significant enhancement of production of the anti-inflammatory cytokines IL-10 and TGF-β over the 12 week period (**P<0.0001)
During challenge with bacterial toxin:
- Significant decrease in production of the pro-inflammatory cytokines IL-6 and IL-1β(*P<0.01,**P<0.0001)
Conclusion
The consumption of Lab4 probiotics in combination with FOS alters ex vivo cytokine production demonstrating the potential immunomodulatory benefits.
Reference
Hepburn NJ et al. 2013
Probiotic supplement consumption alters cytokine production from peripheral blood mononuclear cells: a preliminary study using healthy individuals.
Beneficial Microbes 4(4): 313-17
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