Abstract Title:

Immunological evidence supporting the use of extracts from Boehmeria jamaicensis Urb for treating the common cold and sinus infections.

Abstract Source:

West Indian Med J. 2007 Dec;56(6):487-90. PMID: 18646490

Abstract Author(s):

L A D Williams, J U Igietseme, J A Whittaker, M F Smikle, Y A Bailey-Shaw, E N Barton

Article Affiliation:

The Natural Products Unit of the Scientific Research Council of Jamaica, Kingston 6, Jamaica, West Indies. [email protected]


Mixed lymphocyte responses assays were conducted at 25.0 and 250.0 microg/mL of the crude ethanolic extract of Boehmeria jamaicensis Urb (coded as BJE) using peripheral lymphocytes obtained from individuals suffering from the common cold after four days of infection and from healthy individuals (without the common cold infection). At a concentration of 25 ug/mL, gamma interferon (IFN-gamma) was increased by 24.03 fold and interleukin 4 (IL-4) by 1.71 fold for the cells obtained from individuals with the common cold (Group A). The extract suppressed IFN-gamma by 8.3% while IL-4 was stimulated by 9.90 fold from peripheral lymphocytes obtained from healthy individuals (Group B). Gamma interferon was suppressed at 250 microg/mL while IL-4 was elevated by 1.86 fold for cells obtained from individuals suffering from the common cold (Group A). In conclusion, BJE could have implications for the treatment of the common cold.

Study Type : Human Study

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