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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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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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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.
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Antigens Involved in Adaptive Immunity01:26

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An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
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Moving Forward in Nano-Immune Interactions.

Giuseppe Bardi1, Monica Neagu2

  • 1Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.

Nanomaterials (Basel, Switzerland)
|June 24, 2022
PubMed
Summary

This special issue explores immune responses to nanomaterials used in biomedical applications. It highlights how these materials interact with the immune system for therapeutic and diagnostic purposes.

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Area of Science:

  • Biomedical Engineering
  • Immunology
  • Materials Science

Background:

  • Nanomaterials offer unique properties for advanced biomedical applications.
  • Understanding immune system interactions is crucial for safe and effective nanomedicine.

Discussion:

  • Investigating the immunogenicity and biocompatibility of various nanomaterials.
  • Exploring strategies to modulate immune responses for enhanced therapeutic outcomes.
  • Analyzing the impact of nanomaterial characteristics (size, shape, surface chemistry) on immune cell behavior.

Key Insights:

  • Nanomaterial properties significantly influence immune system activation and modulation.
  • Tailoring nanomaterial design can optimize their performance in biomedical settings.
  • Immune responses can be harnessed for targeted drug delivery and imaging.

Outlook:

  • Future research directions in designing immunomodulatory nanomaterials.
  • Potential for novel immunotherapies and advanced diagnostics using nanomaterials.
  • Addressing challenges in clinical translation and long-term safety assessments.