Document Type

Article

Publication Date

1-1-2017

College/Unit

School of Pharmacy

Department/Program/Center

Pharmaceutical Sciences

Abstract

Multiple myeloma (MM) is a malignant plasma cell disorder, clinically characterized by osteolytic lesions, immunodeficiency, and renal disease. Over the past decade, MM therapy is significantly improved by the introduction of novel therapeutics such as immunomodulatory agents (thalidomide, lenalidomide, and pomalidomide), proteasome inhibitors (bortezomib, carfilzomib, and ixazomib), monoclonal antibodies (daratumumab and elotuzumab), histone deacetylase (HDAC) inhibitors (Panobinostat). The clinical success of these agents has clearly identified vulnerabilities intrinsic to the MM cell- as well as targets that emanate from the tumor microenvironment. Despite these significant improvements, MM remains incurable due to the development of drug resistance. This perspective will discuss more recent strategies which take advantage of multiple targets within the proteome recycling pathway, chromatin remodeling, and disruption of nuclear export. In addition, we will review the development of strategies designed to block opportunistic survival signaling that occurs between the MM cell and the tumor microenvironment including strategies for inhibiting myeloma-induced immune suppression. It has become clear that MM tumors continue to evolve on therapy leading to drug resistance. It will be important to understand the mechanism and additional vulnerabilities that occur due to the development of clinical resistance.

Source Citation

Anreddy N, Hazlehurst LA. Targeting Intrinsic and Extrinsic Vulnerabilities for the Treatment of Multiple Myeloma. Journal of Cellular Biochemistry. 2016;118(1):15-25. doi:10.1002/jcb.25617

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