Gastrodin destabilizes survivin and overcomes pemetrexed resistance

Jinzhuang Liao1, Xiang Qing2, Gaoyan Deng3

  • 1Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China; Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.

Cellular Signalling
|August 16, 2023
PubMed

Insights

Gastrodin, a natural compound, effectively inhibits non-small cell lung cancer (NSCLC) growth by reducing survivin levels. It also enhances apoptosis and overcomes resistance to chemotherapy, showing potential as an antitumor agent.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Survivin is a key protein in cancer development.
  • Non-small cell lung cancer (NSCLC) remains a significant health challenge.
  • Targeting survivin offers a potential therapeutic strategy for NSCLC.

Purpose of the Study:

  • To investigate the antitumor effects of gastrodin on NSCLC.
  • To elucidate the molecular mechanisms underlying gastrodin's action.
  • To evaluate gastrodin's potential in overcoming chemotherapy resistance.

Main Methods:

  • Cell viability and colony formation assays in NSCLC cell lines.
  • Western blotting to assess protein levels and signaling pathways.
  • In vivo xenograft tumor models and in vitro drug resistance studies.

Main Results:

  • Gastrodin suppressed NSCLC cell viability and colony formation dose-dependently.
  • Gastrodin induced apoptosis by activating the mitochondrial pathway and enhancing cleaved-caspase 3.
  • Gastrodin inhibited Akt/WEE1/CDK1 signaling, leading to survivin dephosphorylation and destabilization.
  • Gastrodin reduced NSCLC tumor growth in vivo and overcame pemetrexed resistance.

Conclusions:

  • Gastrodin exhibits significant antitumor activity against NSCLC.
  • Gastrodin's mechanism involves survivin downregulation via dephosphorylation and destabilization.
  • Gastrodin demonstrates potential as a therapeutic agent for NSCLC, including overcoming drug resistance.

Related Concept Videos

Treatment Resistant Cancers02:56

Treatment Resistant Cancers

Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.3K
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...
2.0K
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.6K
Drugs that Stabilize Microtubules01:15

Drugs that Stabilize Microtubules

Microtubules are dynamic structures that undergo cycles of catastrophe and rescue. The microtubules play a central role in cell division by forming the spindle apparatus for segregating the chromosomes. This makes them ideal targets for regulating dividing cells in tumors and malignant cancer cells. Microtubule stabilizing drugs help stabilize the microtubule formation and promote its polymerization. Paclitaxel was the first microtubule stabilizing agent used as anticancer drug in chemotherapy...
2.1K
Loss of Tumor Suppressor Gene Functions01:12

Loss of Tumor Suppressor Gene Functions

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
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...
4.9K
mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
3.8K