Abstract
Background: Heat shock proteins (Hsp) are major chaperone molecules that have recently emerged as cancer therapeutic targets owing to their involvement in tumor cell proliferation, differentiation, invasion and metastasis. High levels of extracellular Hsp90 and Hsp70 have been closely associated with a wide range of human cancers. Accumulating evidence suggests that the pharmacological inhibition of these molecules can play a pivotal role in non-surgical cancer treatment. Efforts have been taken to develop monoclonal antibodies (mAbs) and antibody fragments targeting extracellular Hsp90 and Hsp70, alone or conjugated with standard anticancer agents, to control several types of cancer, such as breast, colon, prostate or melanoma.
Objective: To provide an overview on the development of monoclonal antibodies and antibody fragments with capacity to bind Hsp90 and Hsp70, aiming at being used for cancer treatment. Methods: A systematic review was performed using European Patent Office and Google patents databases. Results: Based on the available literature and patents, we report the potential anticancer strategies based on these biological molecules. Conclusions: Supported by the recent developments in this field, Hsp targeting antibodies therapy may emerge for clinical use in the future for cancer patients, namely as antibody-drug conjugates combining the specificity of these antibodies with the potency of cytotoxic drugs.Keywords: Antibody, cancer treatment, chaperones, heat-shock proteins, patent.
Call for Papers in Thematic Issues
Novel anti-cancer drugs in photoimmunotherapy management: from bench to translational research
In recent years, traditional cancer treatments, such as surgery, chemotherapy, and radiation treatment, etc., may damage the pathological tissue and normal cells. The ideal tumor treatment should be noninvasive, eliminating the primary tumor, making the body produce systemic tumor-specific immunity, eliminating metastases, and having less /no side effects. Recent Patents ...read more
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