Related Experiment Video

Updated: Jun 25, 2026

Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy
07:20

Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy

Published on: January 31, 2025

Autophagy in lung cancer

Jerry J Jaboin1, Misun Hwang, Bo Lu

  • 1Department of Radiation Oncology, Vanderbilt Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.

Methods in Enzymology
|February 17, 2009
PubMed

Insights

This study explores how autophagy, a cell death process, can sensitize lung cancer to treatments. Understanding autophagy mechanisms may improve lung cancer therapy outcomes.

Area of Science:

  • Oncology
  • Cellular Biology
  • Cancer Research

Background:

  • Lung cancer is a leading cause of cancer mortality globally.
  • Poor treatment outcomes are linked to resistance in apoptosis (programmed cell death).
  • Autophagy (a cellular degradation process) presents a potential therapeutic target.

Purpose of the Study:

  • To investigate the role of autophagic cell death in sensitizing lung cancer.
  • To develop novel treatment strategies for improving lung cancer therapy.
  • To provide a framework of current techniques for studying autophagy in lung cancer.

Main Methods:

  • Review of up-to-date protocols and techniques.
  • Focus on autophagic cell death studies in lung cancer models.
  • Experimental framework for future research.

Main Results:

  • Autophagy can enhance the therapeutic efficacy of current lung cancer treatments.
  • Defects in apoptosis contribute to therapeutic resistance in lung cancer.
  • Novel strategies targeting autophagy show promise for lung cancer treatment.

Conclusions:

  • Autophagy is a critical factor in lung cancer cell death and treatment response.
  • Further research into autophagy mechanisms can lead to improved lung cancer therapies.
  • The reviewed techniques provide a foundation for studying autophagy in lung cancer.

More Related Videos

Evaluating Autophagy Levels in Two Different Pancreatic Cell Models Using LC3 Immunofluorescence08:07

Evaluating Autophagy Levels in Two Different Pancreatic Cell Models Using LC3 Immunofluorescence

Published on: April 28, 2023

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,...
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...
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 pro-apoptotic...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Phagocytosis of Apoptotic Cells01:17

Phagocytosis of Apoptotic Cells

Cells undergoing apoptosis form apoptotic bodies that must be removed immediately to prevent inflammation, autoimmune diseases, and necrosis. Phagocytosis is carried out by professional phagocytes such as macrophages or  immature dendritic cells. Non-professional phagocytes such as  epithelial cells and fibroblasts also take part in this process; however, they are not as effective as professional phagocytes. 
Normal cells contain receptors that prevent them from being recognized by phagocytes.
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...