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Related Concept Videos

Cancers Originate from Somatic Mutations in a Single Cell02:21

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Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
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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.
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Epigenetic Regulation01:37

Epigenetic Regulation

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Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
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Loss of Tumor Suppressor Gene Functions01:12

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Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
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Cancer-Critical Genes I: Proto-oncogenes01:33

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Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
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Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
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Updated: Jun 3, 2025

Visualizing Genetic Variants, Short Targets, and Point Mutations in the Morphological Tissue Context with an RNA In Situ Hybridization Assay
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RNA modifications in cancer.

Han Wu1,2, Shi Chen1,2, Xiang Li1,2

  • 1Department of Oral and Maxillofacial Surgery Hospital of Stomatology Jilin University, Changchun Jilin province China.

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|January 13, 2025
PubMed
Summary
This summary is machine-generated.

RNA modifications critically regulate cancer, impacting proliferation, metastasis, and cell death. Targeting these epigenetic marks offers promising new cancer therapy strategies.

Keywords:
RNA modificationscancerimmune microenvironmentimmunotherapyprogrammed cell death

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Area of Science:

  • Molecular Biology
  • Oncology
  • Epigenetics

Background:

  • RNA modifications, like N6-methyladenosine (m6A) and 5-methylcytosine (m5C), are key regulators of cancer progression.
  • These modifications influence fundamental cellular processes, including RNA stability, translation, and degradation, impacting tumor growth and survival.

Purpose of the Study:

  • To comprehensively review the multifaceted roles of RNA modifications in cancer.
  • To explore their influence on cancer proliferation, metastasis, programmed cell death (apoptosis, autophagy, ferroptosis), epithelial-mesenchymal transition (EMT), and the tumor immune microenvironment.

Main Methods:

  • Literature review of recent scientific studies on RNA modifications in cancer.
  • Analysis of the regulatory mechanisms involving "writer," "eraser," and "reader" proteins.
  • Examination of the impact on metabolic reprogramming, signaling pathways, and cell cycle control.

Main Results:

  • RNA modifications are deeply involved in tumor proliferation, metastasis, and cell death pathways.
  • These epigenetic changes significantly affect EMT and the tumor immune microenvironment.
  • Current understanding of the precise mechanisms linking RNA modifications to cancer requires further elucidation.

Conclusions:

  • RNA modifications represent critical regulators in cancer development and progression.
  • Targeting RNA modifications holds significant therapeutic potential for improving cancer treatment strategies and patient outcomes.
  • Further research is needed to fully understand and exploit these mechanisms in clinical settings.