Dendritic Cell-Based Therapy as a Multidisciplinary Approach to Cancer Treatment: Present Limitations and Future Scopes
Existence of residual cancers and recurrence of cancers are two major limitations of conventional therapies against cancers. A naturally-occurring defense system against tumor may be established in cancer patients by induction of antitumor immunity. Both polyvalent and tumor antigen-defined vaccines have been administered to cancer patients to accomplish this. However, the efficacy of these approaches is not promising. Dendritic cells (DCs) are regulator of the immune system. Antigens loaded on DCs (antigen-pulsed DCs) are able to induce immune responses when this can not be achieved by administration of antigens or vaccines only. Tumor antigen-pulsed DCs are now used for treatment of patients with cancers. But, it is unlikely that the present regimen of DC-based therapy would be an independent anticancer therapeutic approach. However, the therapeutic potentials of tumor antigen-pulsed DCs can be accentuated in cancer patients if this immune therapy is performed as part of multidisciplinary therapeutic approaches. In this review, we will describe about the concept and limitations of the present regimen of tumor antigen-pulsed DC-based therapy in cancer patients. We will further discuss how DC-based therapy can be applied as a multidisciplinary approach to cancer treatment.
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Document Type: Research Article
Affiliations: Third Department of Internal Medicine, Ehime University School of Medicine, Toon city, Ehime 791-0295, Japan.
Publication date: 2006-11-01
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