Planta Med 2014; 80(04): 283-289
DOI: 10.1055/s-0033-1360391
Biological and Pharmacological Activity
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

Biomarker-Guided Screening of Juzen-taiho-to, an Oriental Herbal Formulation for Immunostimulation

Authors

  • Anna Takaoka

    1   Department of Chemistry, Hunter College of CUNY, New York, NY, USA
  • Maria Iacovidou

    1   Department of Chemistry, Hunter College of CUNY, New York, NY, USA
  • Tal H. Hasson

    1   Department of Chemistry, Hunter College of CUNY, New York, NY, USA
  • Diego Montenegro

    1   Department of Chemistry, Hunter College of CUNY, New York, NY, USA
  • Xiangming Li

    2   HIV and Malaria Vaccine Program, Aaron Diamond AIDS Research Center, Affiliate of The Rockefeller University, New York, NY, USA
  • Moriya Tsuji

    2   HIV and Malaria Vaccine Program, Aaron Diamond AIDS Research Center, Affiliate of The Rockefeller University, New York, NY, USA
  • Akira Kawamura

    1   Department of Chemistry, Hunter College of CUNY, New York, NY, USA
Further Information

Publication History

received 12 June 2013
revised 13 November 2013

accepted 20 January 2014

Publication Date:
18 February 2014 (online)

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Abstract

Juzen-taiho-to is an immunostimulatory herbal formulation that is clinically used in East Asia for cancer patients undergoing chemotherapy and radiation. The formulation stimulates various leukocytes, including T, B, and NK cells and macrophages. Although Juzen-taiho-to is known to contain numerous compounds with various pharmacological activities, it is not clear which compounds are responsible for the stimulation of individual cell types. Here, we conducted what we call “biomarker-guided screening” to purify compounds responsible for the macrophages stimulatory activity. To this end, gene expression was analyzed by a DNA array for macrophages treated with Juzen-taiho-to and DMSO (vehicle control), which identified intercellular adhesion molecule 1 as a biomarker of macrophage stimulation by Juzen-taiho-to. A quantitative reverse transcription polymerase chain reaction assay of intercellular adhesion molecule 1 was then used to guide the purification of active compounds. The screening resulted in the purification of a glycolipid mixture, containing β-glucosylceramides. The glycolipid mixture potently stimulated intercellular adhesion molecule 1 expression in primary dendritic cells as well as in primary CD14+ (macrophages) cells. The identification of this glycolipid mixture opens up an opportunity for further studies to understand how plant-derived glycolipids stimulate macrophages and dendritic cells in a safe and effective manner as demonstrated by Juzen-taiho-to.

Supporting Information