Inhibitors of the cyclin-dependent kinase and PIM kinase pathways in the treatment of myeloma

Vijay G. Ramakrishnan, Shaji K. Kumar

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations


Multiple myeloma (MM) cells are characterized by genomic alternations that lead to increased cell proliferation and resistance to therapeutic interventions. Up-regulation of cyclins is a characteristic finding in a significant proportion of myeloma patients, mediated through a variety of mechanisms including chromosomal translocations. Cyclins and the cyclin-dependent kinases (CDKs) play a critical role in the cell proliferation seen in MM, especially in the high-risk disease. Given this, CDK inhibitors have been evaluated in this disease, and studies so far have led to a mixed picture. Recent studies with targeted CDK inhibitors have shown early promise, and trials of these drugs in combination with other myeloma drugs are ongoing. The malignant plasma cells in MM are highly dependent on the microenvironment for their growth and survival. Multiple signaling pathways have been found to mediate the interactions between the microenvironment and the plasma cells, whether mediated through cytokines or adhesion molecules. The PIM kinase pathway appears to play a major role in the myeloma cell survival, and PIM kinase inhibitors have shown efficacy in the laboratory, and a recent clinical trial also demonstrates important clinical activity.

Original languageEnglish (US)
Pages (from-to)7-11
Number of pages5
JournalCancer Journal (United States)
Issue number1
StatePublished - Jan 1 2016


  • CDK inhibitors
  • PIM kinase inhibitors
  • cell proliferation
  • cyclin-dependent kinases (CDK)
  • cyclins
  • multiple myeloma (MM)

ASJC Scopus subject areas

  • Oncology
  • Cancer Research


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