Related Experiment Video
Updated: Jul 11, 2026

All-optical Mechanobiology Interrogation of Yes-associated Protein in Human Cancer and Normal Cells using a Multi-functional System
Published on: December 20, 2021
Anticancer mechanisms of YC-1 in human lung cancer cell line, NCI-H226
Chun-Jen Chen1, Mei-Hua Hsu, Li-Jiau Huang
1Graduate Institute of Pharmaceutical Chemistry, China Medical University, No. 91, Hsueh-Shih Road, Taichung 40421, Taiwan, ROC.
Abstract:
As part of a continuing search for potential anticancer drug candidates, 1-benzyl-3-(5-hydroxymethyl-2-furyl)indazole (YC-1) was evaluated in the Japanese Cancer Institute's (JCI) in vitro disease-oriented anticancer screen. The results indicated that YC-1 showed impressive selective toxicity against the NCI-H226 cell line. Therefore, the molecular mechanism by which YC-1 affects NCI-H226 cell growth was studied. YC-1 inhibited NCI-H226 cell growth in a time- and a concentration-dependent manner. YC-1 suppressed the protein levels of cyclin D1, CDK2 and cdc25A, up-regulated p16, p21 and p53, increased the number of NCI-H226 cells in the G0/G1 phase of the cell cycle. Long exposure to YC-1 induced apoptosis by mitochondrial-dependent pathway. In addition, YC-1 inhibited MMP-2 and MMP-9 protein activities to abolish tumor cells metastasis. These findings suggest a mechanism of cytotoxic action of YC-1 and indicate that YC-1 may be a promising chemotherapy agent against lung cancer.
Insights
The anticancer drug candidate YC-1 selectively targets lung cancer cells (NCI-H226) by halting cell cycle progression and inducing apoptosis. It also inhibits metastasis, suggesting potential as a lung cancer chemotherapy agent.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Ongoing search for novel anticancer drug candidates.
- YC-1 (1-benzyl-3-(5-hydroxymethyl-2-furyl)indazole) identified as a selective cytotoxic agent against NCI-H226 lung cancer cells.
Purpose of the Study:
- To elucidate the molecular mechanisms underlying YC-1's selective toxicity in NCI-H226 cells.
- To evaluate YC-1's potential as a lung cancer chemotherapy agent.
Main Methods:
- In vitro anticancer screening using NCI-H226 cell line.
- Cell cycle analysis (G0/G1 phase arrest).
- Western blot analysis for cell cycle regulatory proteins (cyclin D1, CDK2, cdc25A, p16, p21, p53).
- Mitochondrial-dependent apoptosis assay.
- Matrix metalloproteinase (MMP-2 and MMP-9) activity assay.
Main Results:
- YC-1 inhibited NCI-H226 cell growth in a time- and concentration-dependent manner.
- YC-1 suppressed cyclin D1, CDK2, and cdc25A protein levels, while up-regulating p16, p21, and p53.
- Cells accumulated in the G0/G1 phase, and apoptosis was induced via the mitochondrial pathway.
- YC-1 inhibited MMP-2 and MMP-9 activity, reducing tumor cell metastasis.
Conclusions:
- YC-1 exhibits a multi-faceted mechanism of action, including cell cycle arrest, apoptosis induction, and inhibition of metastasis.
- YC-1 demonstrates significant potential as a novel chemotherapy agent for lung cancer treatment.
Related Concept Videos
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Abnormal Proliferation
Inhibition of Cdk Activity
Loss of Tumor Suppressor Gene Functions
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
Combination Therapies and Personalized Medicine
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...

