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Modulation of a specific humoral immune response and changes in intestinal flora mediated through fermented milk intake

FEMS Immunology and Medical Microbiology, ISSN: 1574-695X, Vol: 10, Issue: 1, Page: 55-63
1994
  • 409
    Citations
  • 0
    Usage
  • 113
    Captures
  • 0
    Mentions
  • 1
    Social Media
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Metrics Details

  • Citations
    409
  • Captures
    113
  • Social Media
    1
    • Shares, Likes & Comments
      1
      • Facebook
        1

Article Description

This study was undertaken to elucidate whether eating a fermented milk containing Lactobacillus acidophilus La1 and bifidobacteria could induce changes in intestinal flora and modulate the immune response in man. Volunteers consumed a fermented milk containing L. acidophilus La1 and bifidobacteria over a period of three weeks during which an attenuated Salmonella typhi Ty21a was administered to mimic an enteropathogenic infection. A control group ate no fermented foods but received the S. typhi Ty21a. Faecal flora analyses showed an increase in L. acidophilus and bifidobacterial counts during fermented milk intake. The specific serum IgA titre rise to S. typhi Ty21a in the test group was > 4-fold and significantly higher (P = 0.04) than in the control group. An increase in total serum IgA was also observed. These results indicate that lactic acid bacteria which can persist in the gastrointestinal tract can act as adjuvants to the humoral immune response. © 1994.

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