Autophagy-inducing natural compounds: a treasure resource for developing therapeutics against tissue fibrosis

Xiao-Xi Lv1, Shan-Shan Liu1, Zhuo-Wei Hu1

  • 1a Immunology and Cancer Pharmacology Group, State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100050 , China.

Insights

Natural compounds from plants and Chinese Herbal Medicines (CHM) show promise in treating tissue fibrosis by regulating autophagy. These autophagy modulators offer potential new therapeutic strategies for fibrotic diseases.

Area of Science:

  • Biomedical Sciences
  • Cell Biology
  • Pharmacology

Background:

  • Tissue fibrosis, marked by extracellular matrix buildup, is a hallmark of chronic diseases with limited treatment options.
  • Autophagy, a cellular degradation process, is increasingly recognized for its role in both maintaining homeostasis and contributing to fibrotic disease progression.
  • Current therapeutic strategies for fibrotic conditions remain insufficient, highlighting a significant unmet clinical need.

Purpose of the Study:

  • To review natural compounds, particularly from plants and Chinese Herbal Medicines (CHM), that modulate autophagy.
  • To explore the anti-fibrotic effects of these compounds through their regulation of autophagic pathways.
  • To identify potential therapeutic agents for treating various fibrotic diseases.

Main Methods:

  • Literature review focusing on studies investigating natural compounds and their impact on autophagy.
  • Analysis of research detailing the mechanisms by which plant-derived compounds affect autophagic activity.
  • Examination of evidence linking autophagy modulation to anti-fibrotic effects in different organ systems.

Main Results:

  • Several plant-derived natural compounds have demonstrated significant anti-fibrotic properties.
  • These compounds exert their effects by modulating key autophagic signal pathways or overall autophagy activity.
  • Evidence suggests these compounds can counteract the excessive extracellular matrix accumulation characteristic of fibrosis.

Conclusions:

  • Natural compounds modulating autophagy represent a promising avenue for developing novel anti-fibrosis therapeutics.
  • Targeting autophagy pathways with plant-derived agents offers a potential strategy to combat fibrotic diseases.
  • Further research into these compounds could lead to new drug development for chronic fibrotic conditions.

Related Concept Videos

Autophagy01:27

Autophagy

Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
6.0K
Delivery Pathways to the Lysosome01:36

Delivery Pathways to the Lysosome

Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
10.4K
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...
2.8K
Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
4.8K
Autophagic Cell Death01:18

Autophagic Cell Death

Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
4.8K
Tissue Renewal without Stem Cells01:23

Tissue Renewal without Stem Cells

After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
2.2K