Modulation of apoptosis by natural products for cancer therapy

Simone Fulda1

  • 1Children's Hospital, Ulm University, Ulm, Germany. simone.fulda@uniklinik-ulm.de

Planta Medica
|May 21, 2010
PubMed

Insights

Natural compounds offer health benefits, including cancer prevention and tumor suppression. This review explores how these natural agents target programmed cell death (apoptosis) pathways for cancer therapy.

Area of Science:

  • Oncology
  • Pharmacology
  • Natural Products Chemistry

Background:

  • Natural products possess significant health benefits, including demonstrated efficacy in cancer prevention and tumor growth suppression.
  • Cancer cells develop resistance to programmed cell death (apoptosis), a critical challenge in cancer therapy.
  • The modulation of apoptosis signaling pathways by natural compounds is a key mechanism underlying their anti-cancer activities.

Purpose of the Study:

  • To review the mechanisms by which natural products target apoptosis pathways in cancer.
  • To highlight the potential of naturally occurring agents in cancer treatment strategies.
  • To provide examples of natural compounds and their effects on apoptosis signaling.

Main Methods:

  • Literature review of scientific studies on natural products and cancer.
  • Analysis of research on apoptosis signaling pathways and their modulation.
  • Compilation of examples of natural compounds with anti-cancer properties related to apoptosis.

Main Results:

  • Natural compounds can effectively induce apoptosis in cancer cells, overcoming resistance mechanisms.
  • Specific natural agents have been identified that target key components of the apoptosis signaling cascade.
  • Modulating apoptosis through natural products represents a promising therapeutic avenue.

Conclusions:

  • Natural products offer a viable strategy for cancer therapy by targeting apoptosis.
  • Further research into these compounds could lead to novel anti-cancer drugs.
  • Exploiting natural product-induced apoptosis holds significant potential for improving cancer treatment outcomes.

Related Concept Videos

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...
The Extrinsic Apoptotic Pathway01:17

The Extrinsic Apoptotic Pathway

The extrinsic apoptotic pathway is initiated when extracellular death-inducing signals, such as specific cytokines, activate the death receptors expressed on the cell surface. The immune cells involved in this pathway are natural killer cells (NK cells) and cytotoxic T-lymphocytes. NK cells are critical in innate immune response, while cytotoxic T-lymphocytes are associated with adaptive immune response. These cells recognize specific receptors expressed on the altered cells and activate...
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 reduction of the tissue.
Cellular Injury V: Apoptosis and Autophagy01:22

Cellular Injury V: Apoptosis and Autophagy

Cells respond to damage and stress through highly coordinated processes that decide whether they survive or undergo controlled self-destruction. Two major pathways involved in this regulation are apoptosis, a type of programmed cell death, and autophagy, a survival mechanism that helps cells adapt to adverse conditions.ApoptosisApoptosis removes aged or injured cells to maintain tissue balance. During this process, the cell shrinks, chromatin condenses and fragments, and membrane-bound...
Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
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...
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 specific...