[Ganoderic acid A suppresses proliferation and invasion and induces apoptosis in human osteosarcoma cells]

Jianli Shao1, Zhizhong Li, Genlong Jiao

  • 1Department of Orthopedics and Traumatology, First Affiliated Hospital, Jinan University, Guangzhou 510632, China.E-mail: Tshaojianli@163.com.

Abstract

Insights

Ganoderic acid A (GA-A) inhibits osteosarcoma cell growth and promotes apoptosis. This study shows GA-A's potential therapeutic effects against human osteosarcoma cells.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • Osteosarcoma is a primary bone malignancy with limited treatment options.
  • Ganoderic acid A (GA-A), a compound from Ganoderma lucidum, has shown potential anti-cancer properties.

Purpose of the Study:

  • To evaluate the in vitro effects of GA-A on human osteosarcoma cell lines (MG63 and HOS).
  • To investigate GA-A's impact on cell proliferation, apoptosis, and invasion.

Main Methods:

  • Cells were treated with varying concentrations of GA-A (0.1, 0.25, 0.5 mmol/L).
  • Cell proliferation, apoptosis, and invasion were assessed using MTT, flow cytometry, and Transwell assays.
  • Protein expression levels of STAT3, p38, and NF-κB1 were analyzed via Western blotting.

Main Results:

  • GA-A significantly inhibited osteosarcoma cell proliferation in a dose-dependent manner.
  • GA-A treatment induced notable apoptosis in both MG63 and HOS cells.
  • GA-A suppressed cell invasion and modulated the expression of STAT3, p38, and NF-κB1 signaling pathways.

Conclusions:

  • GA-A demonstrates significant anti-proliferative, pro-apoptotic, and anti-invasive effects on human osteosarcoma cells in vitro.
  • These findings suggest GA-A as a potential therapeutic agent for osteosarcoma treatment.

Related Concept Videos

Apoptosis01:30

Apoptosis

Apoptosis is a combination of two Greek words, 'apo' and 'ptosis,' meaning separation and falling off, respectively. Hippocrates used this word to describe gangrene, which was caused due to bandaging of fractured bones. Apoptosis was distinguished from necrosis in 1970 when John Kerr reported observations of morphological changes occurring during apoptosis. During one experiment, he observed that the disruption of blood supply to the liver tissue resulted in a size...
17.1K
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...
4.8K
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
7.9K
Tumor Progression02:07

Tumor Progression

3.6K
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...
6.2K