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Related Concept Videos

Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
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Cells of the Innate Immune Response01:28

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The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
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Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

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Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
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Abnormal Proliferation02:23

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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
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Immune Surveillance by NK Cells and Phagocytes01:25

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Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
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Related Experiment Video

Updated: Jun 9, 2025

Yeast As a Chassis for Developing Functional Assays to Study Human P53
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Emerging Role of the p53 Pathway in Modulating NK Cell-Mediated Immunity.

Yu-Chi Chen1,2, Christopher G Bazewicz1,2, Saketh S Dinavahi1,2

  • 1Department of Pharmacology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania.

Molecular Cancer Therapeutics
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Summary

Restoring the p53 pathway enhances natural killer (NK) cell immunity against cancer. This review explores how p53 influences NK cell activity, tumor cell death, and potential therapeutic strategies for improved cancer treatment.

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Area of Science:

  • Oncology
  • Immunology
  • Molecular Biology

Background:

  • The p53 pathway is crucial for cancer immunity, with its mutations common in many cancers, leading to immune dysregulation.
  • Dysfunctional p53 contributes to tumor progression and impaired immune responses.
  • Emerging evidence highlights p53's role in modulating NK cell-mediated immunity within the tumor microenvironment.

Purpose of the Study:

  • To review the regulatory role of p53 activity on NK cell infiltration and activation.
  • To examine the impact of p53 on NK cells regarding immunogenic cell death and the abscopal effect in solid tumors.
  • To discuss future therapeutic strategies for restoring p53 activity to enhance NK cell-mediated antitumor immunity.

Main Methods:

  • Literature review focusing on p53 pathway and NK cell interactions in cancer immunity.
  • Analysis of studies investigating p53's influence on immune cell function and tumor microenvironment.
  • Synthesis of findings related to p53, NK cells, immunogenic cell death, and the abscopal effect.

Main Results:

  • p53 activity directly regulates NK cell infiltration and activation within the tumor immune microenvironment.
  • Restoration of p53 pathway function can enhance NK cell-mediated antitumor immunity.
  • p53 influences immunogenic cell death and the abscopal effect, impacting systemic anti-tumor responses.

Conclusions:

  • The p53 pathway is a key regulator of NK cell-mediated cancer immunity.
  • Therapeutic restoration of p53 activity holds promise for improving NK cell-based cancer therapies.
  • Targeting the p53 pathway may optimize treatment effectiveness and overcome immune evasion in solid tumors.