Bufotalin Suppresses Proliferation and Metastasis of Triple-Negative Breast Cancer Cells by Promoting Apoptosis and

So Jin Park1, Hye Jin Jung1,2,3

  • 1Department of Life Science and Biochemical Engineering, Graduate School, Sun Moon University, Asan 31460, Republic of Korea.

PubMed

Insights

Bufotalin, a natural compound, effectively inhibits triple-negative breast cancer (TNBC) growth and metastasis. It works by inducing apoptosis and suppressing key pathways involved in cancer progression.

Area of Science:

  • Pharmacology
  • Oncology
  • Natural Products Chemistry

Background:

  • Triple-negative breast cancer (TNBC) is aggressive with poor prognosis.
  • Existing treatments face challenges with drug resistance and recurrence.
  • Novel therapeutic strategies for TNBC are urgently needed.

Purpose of the Study:

  • To investigate the anticancer effects of bufotalin on TNBC cells.
  • To elucidate the molecular mechanisms underlying bufotalin's action in TNBC.
  • To evaluate bufotalin's potential as a new therapeutic agent for TNBC.

Main Methods:

  • Utilized TNBC cell lines (MDA-MB-231 and HCC1937).
  • Assessed bufotalin's impact on cell proliferation, apoptosis, migration, and invasion.
  • Analyzed key molecular markers including EMT biomarkers, MMPs, integrin α6, and the STAT3 pathway.

Main Results:

  • Bufotalin significantly inhibited TNBC cell proliferation via cell cycle arrest and apoptosis.
  • Bufotalin suppressed TNBC cell migration and invasion.
  • Bufotalin's anticancer activity was linked to STAT3 pathway downregulation and modulation of EMT axis.

Conclusions:

  • Bufotalin demonstrates potent antiproliferative and antimetastatic effects in TNBC.
  • Bufotalin may represent a promising natural compound for TNBC treatment.
  • The STAT3/EMT pathway is a key target for bufotalin's action in TNBC.

Related Concept Videos

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
The Intrinsic Apoptotic Pathway01:31

The Intrinsic Apoptotic Pathway

Internal cellular stress, such as cellular injury or hypoxia, triggers intrinsic apoptosis. The B-cell lymphoma 2 (Bcl-2) family of proteins are the primary regulators of the intrinsic apoptotic pathway. For example, during DNA damage, checkpoint proteins, such as Ataxia Telangiectasia Mutated (ATM protein) and Checkpoints Factor-2 (Chk2) proteins, are activated. These proteins phosphorylate p53 which further activates pro-apoptotic proteins, such as Bax, Bak, PUMA, and Noxa, and inhibits...
6.6K
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
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
7.7K
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
PI3K/mTOR/AKT Signaling Pathway01:22

PI3K/mTOR/AKT Signaling Pathway

The mammalian target of rapamycin  (mTOR) is a serine/threonine kinase that regulates growth, proliferation, and cell survival in response to hormones, growth factors, or nutrient availability. This kinase exists in two structurally and functionally distinct forms: mTOR complex 1  (mTORC1) and mTOR complex 2  (mTORC2). The first form (mTORC1) is composed of a rapamycin-sensitive Raptor and proline-rich Akt substrate, PRAS40. In contrast,  mTORC2 consists of a...
3.6K