Breast Cancer Clinical Trial
Official title:
Academia Sinica Investigator Award 2010
Verified date | January 2011 |
Source | Taipei Medical University WanFang Hospital |
Contact | n/a |
Is FDA regulated | No |
Health authority | Taiwan: Department of Health |
Study type | Observational |
Over the past five years, a spectrum of studies has shown that the stromal cell populations surrounding or embedding cancer cells in a variety of different tumor types are intrinsically involved in the mechanisms affecting tumor growth and metastasis. Among these cells, fibroblasts and myeloid derived suppressor cells (MDSCs) have been shown to play key roles in the regulation of tumor cell behaviors, via differential gene expression, regulation and secretion of specific chemokines (e.g., RANTES, CXCL12 and CXCL14), cytokines (e.g., TNF-α, IL-1β, NF-κB) and control by inflammatory and immunomodulatory cells, molecules or potent growth factors. Of particular interest is that the various stromal immune cells (dendritic cells and T cells) and inflammatory MDSCs found in primary and metastatic tumors behave very differently from those present in normal or non-cancerous counterpart tissues. In light of these "new understandings" in cancer biology, the investigators believe that systematic and innovative approaches to further research are very much needed in Taiwan and at our Academy. Here the investigators propose to investigate the tumor suppressive effect of anti-inflammatory phytomedicines on regulation of stromal immune cells and fibroblasts in breast cancers. The investigators will employ the TS/A and 4T1 mouse mammary carcinoma system to conduct an in vivo study of several specific candidate phytomedicines (cytopiloyne, Wedelia chinensis, shikonin, emodin and others that the investigators have already identified as conferring anti-inflammation related activities) for inhibition of TS/A and 4T1 tumor growth and specific effects on inflammation-associated, cellular and molecular functions of stromal immune cells, fibroblasts and MDSCs. When potent and specific anti-tumor effects are detected, the investigators will extend our study to a three-dimensional collagen/Matrigel culture system for ex-vivo study focusing on the stromal cell-mediated or -associated anti-tumor effects of TS/A or 4T1 cells, using the "organoid" tissue culture systems the investigators have previously developed in our laboratory (JNCI, 1979; Cancer Res., 1981). The investigators will establish reconstituted TS/A or 4T1 tumor cells with the stromal immune cells in a co-cultivation system. When the investigators have achieved demonstrable success, the investigators will extend the mouse system to human breast cancers (including primary and metastatic tumors) by a close collaboration (which the investigators have already established) with Drs.
Status | Active, not recruiting |
Enrollment | 415 |
Est. completion date | December 2014 |
Est. primary completion date | |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 20 Years and older |
Eligibility |
Inclusion Criteria: - adult - breast cancer patient - had signed the consent agreement, after your surgery, we will collect the sample from surgically removed breast tissue. Exclusion Criteria: - pregnancies - minor children - teenagers - neonates |
Time Perspective: Prospective
Country | Name | City | State |
---|---|---|---|
Taiwan | Taipei Medical University - WanFang Hospital | Taipei |
Lead Sponsor | Collaborator |
---|---|
Taipei Medical University WanFang Hospital |
Taiwan,
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