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Related Concept Videos

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...
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...
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...
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...
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...

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Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy
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Published on: January 31, 2025

Modulating autophagy: a strategy for cancer therapy.

Jun-Lin Li1, Shao-Liang Han, Xia Fan

  • 1Department of General Surgery, The Central Hospital of Yongzhou City, Yongzhou, Hunan, People's Republic of China. leejunlin@live.cn

Chinese Journal of Cancer
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Autophagy, a cellular degradation process, has paradoxical roles in cancer, promoting growth yet also tumor suppression. Modulating autophagy shows promise as a novel cancer therapy target, especially with chemotherapy and radiotherapy.

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siRNA Electroporation to Modulate Autophagy in Herpes Simplex Virus Type 1-Infected Monocyte-Derived Dendritic Cells
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Area of Science:

  • Cellular Biology
  • Molecular Oncology

Background:

  • Autophagy is a fundamental cellular process for degrading damaged components and maintaining homeostasis under stress.
  • Autophagy exhibits complex, dual roles in cancer, paradoxically supporting tumor growth while also mediating tumor suppression.
  • Genes regulating carcinogenesis, including oncogenes and tumor suppressor genes, are intricately linked to autophagy pathways.

Purpose of the Study:

  • To explore the multifaceted role of autophagy in human diseases, with a specific focus on its implications in cancer.
  • To investigate the potential of targeting autophagy as a therapeutic strategy in cancer treatment.

Main Methods:

  • Review of existing scientific literature on autophagy and its connection to cancer.
  • Analysis of studies investigating the effects of autophagy modulation in combination with conventional cancer therapies.

Main Results:

  • Autophagy provides essential energy for tumor cell metabolism and growth.
  • Autophagy can also induce cancer cell death, thereby promoting tumor suppression.
  • Combining autophagy modulators with radiotherapy and/or chemotherapy has demonstrated potential in inhibiting tumor growth.

Conclusions:

  • Autophagy's complex role in cancer necessitates careful consideration for therapeutic strategies.
  • Targeting and modulating autophagy presents a promising avenue for developing novel cancer therapies.
  • The synergistic effects observed with conventional treatments highlight autophagy as a potent therapeutic target.