Related Experiment Video

Updated: Mar 3, 2026

Development of a Human Preclinical Model of Osteoclastogenesis from Peripheral Blood Monocytes Co-cultured with Breast Cancer Cell Lines
06:00

Development of a Human Preclinical Model of Osteoclastogenesis from Peripheral Blood Monocytes Co-cultured with Breast Cancer Cell Lines

Published on: September 13, 2017

7.6K

Simvastatin and MBCD Inhibit Breast Cancer-Induced Osteoclast Activity by Targeting Osteoclastogenic Factors

Kaushik Chowdhury1, Ankit Sharma1, Tanu Sharma1

  • 1a Department of Biochemistry, School of Life Sciences , Central University of Rajasthan , Ajmer , India.

Cancer Investigation
|May 3, 2017
PubMed

Insights

Simvastatin and cholesterol-depleting drugs inhibit breast cancer bone metastasis by blocking osteoclast activity. These findings reveal a molecular mechanism for simvastatin

Area of Science:

  • Oncology
  • Pharmacology
  • Bone Biology

Background:

  • Previous studies suggest simvastatin prevents osteolytic metastasis of breast cancer.
  • Simvastatin may inhibit osteoclast activity in the bone microenvironment.

Purpose of the Study:

  • To investigate the molecular mechanism by which simvastatin and MBCD inhibit breast cancer-driven osteoclast activity.

Main Methods:

  • Assessed the effects of simvastatin and MBCD on TRAP and MMP activity in pre-osteoclast RAW264.7 cells.
  • Examined the expression of osteoclastogenic genes (TRAP, Cathepsin K, NFATc1) in RAW264.7 cells.
  • Analyzed CSF-1 and RANKL expression in breast cancer MCF-7 cells.

Main Results:

  • Both simvastatin and MBCD blocked breast cancer-induced TRAP and MMP activity.
  • Simvastatin and MBCD reduced the expression of osteoclastogenic genes in RAW264.7 cells.
  • These drugs also affected osteoclastogenic gene expression in MCF-7 cells.

Conclusions:

  • Simvastatin and MBCD inhibit breast cancer-induced osteoclast activity through molecular mechanisms.
  • These findings provide insights into preventing osteolytic bone metastasis.
Keywords:
Bone metastasisBreast cancerCSF-1Methyl beta cyclodextrinOsteoclast activityRANKLSimvastatin

More Related Videos

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats08:56

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

Published on: April 7, 2023

1.3K
Using Mouse Mammary Tumor Cells to Teach Core Biology Concepts: A Simple Lab Module10:39

Using Mouse Mammary Tumor Cells to Teach Core Biology Concepts: A Simple Lab Module

Published on: June 18, 2015

13.9K

Related Concept Videos

Inhibition of Cdk Activity02:34

Inhibition of Cdk Activity

The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
6.1K
Drugs that Destabilize Microtubules01:10

Drugs that Destabilize Microtubules

Microtubules are dynamic structures and can be regulated by microtubule targeting agents (MTAs). Microtubule destabilizing drugs are a class of MTAs that destabilize and prevent microtubules' polymerization. Both natural and synthetic chemicals can be found under this class of drugs. Vincristine and vinblastine, two vinca alkaloids, and colchicine were among the first to be discovered. These drugs can affect cells in various ways, either by inducing a change in cell morphology, preventing...
4.1K
Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their...
5.7K
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
4.4K
Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
1.6K