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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Butyrate and propionate: important components of toxic dental plaque extracts.

Extracts of in vitro-cultured human dental plaque contain factors toxic to mammalian cells. Previous studies demonstrated that those toxic factors most readily released from cultured plaque had very low molecular weights and were heat stable. Studies reported here demonstrate that metabolic end products including short-chain fatty acids were present in fractions containing the low-molecular-weight, heat-stable factors. The salts of two of these acids, butyrate and propionate, inhibited proliferation of both mouse L929 cells and human gingival fibroblasts. Furthermore, when tested at concentrations present in plaque extracts, the inhibitory effects of butyrate and propionate accounted for essentially all the inhibitory potential of the extracts. These findings, taken together with those of other groups, suggest that butyrate and propionate, end products of dental plaque metabolism, may have an etiological role in periodontal disease.[1]

References

  1. Butyrate and propionate: important components of toxic dental plaque extracts. Singer, R.E., Buckner, B.A. Infect. Immun. (1981) [Pubmed]
 
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