Influences of Multiple Myeloma on Osteoclastogenesis

Faculty Mentor

Jason Ashley

Presentation Type

Oral Presentation

Start Date

5-7-2025 10:50 AM

End Date

5-7-2025 11:10 AM

Location

PUB 317

Primary Discipline of Presentation

Biology

Abstract

Multiple myeloma is a cancer of antibody secreting B lymphocytes, also known as plasma cells. While both malignant and non-malignant plasma cells are home to the bone marrow, myeloma is often accompanied by osteodegenerative disease which is characterized by an imbalance of bone resorption and formation in favor of the former. Bone disease in multiple myeloma is driven by dysregulated signaling of myeloma cells and the increased abundance of these cells in the bone marrow. Osteoclasts are bone resorbing cells – formed from the fusion of macrophages – whose activity are putatively enhanced by the presence of multiple myeloma cells. Herein, using in vitro models, we investigate the influences of multiple myeloma on the differentiation of osteoclasts at 1) various temporal stages of osteoclastogenesis, 2) the spatial requirements of these effects, and 3) the underpinnings biological mechanisms at play. The results of this work will further elucidate the underlying biology of bone disease in multiple myeloma and will inform potential precision medicine strategies to ameliorate this disease sequelae.

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May 7th, 10:50 AM May 7th, 11:10 AM

Influences of Multiple Myeloma on Osteoclastogenesis

PUB 317

Multiple myeloma is a cancer of antibody secreting B lymphocytes, also known as plasma cells. While both malignant and non-malignant plasma cells are home to the bone marrow, myeloma is often accompanied by osteodegenerative disease which is characterized by an imbalance of bone resorption and formation in favor of the former. Bone disease in multiple myeloma is driven by dysregulated signaling of myeloma cells and the increased abundance of these cells in the bone marrow. Osteoclasts are bone resorbing cells – formed from the fusion of macrophages – whose activity are putatively enhanced by the presence of multiple myeloma cells. Herein, using in vitro models, we investigate the influences of multiple myeloma on the differentiation of osteoclasts at 1) various temporal stages of osteoclastogenesis, 2) the spatial requirements of these effects, and 3) the underpinnings biological mechanisms at play. The results of this work will further elucidate the underlying biology of bone disease in multiple myeloma and will inform potential precision medicine strategies to ameliorate this disease sequelae.