Related Experiment Video

Updated: Aug 17, 2026

Identification of Mediators of T-cell Receptor Signaling via the Screening of Chemical Inhibitor Libraries
08:49

Identification of Mediators of T-cell Receptor Signaling via the Screening of Chemical Inhibitor Libraries

Published on: January 22, 2019

Ion channels in T cells: from molecular pharmacology to therapy

Zoltán Krasznai1

  • 1Department of Biophysics and Cell Biology,Research Center for Molecular Medicine, Medical and Health Science Center, University of Debrecen, Hungary. krasznai@jaguar.dote.hu

Archivum Immunologiae Et Therapiae Experimentalis
|June 2, 2005
PubMed

Insights

Researchers are exploring T cell ion channels, like potassium channels, for immunomodulation. Developing selective inhibitors could target autoimmune T cells without harming normal immune responses, offering therapeutic potential.

Area of Science:

  • Immunology
  • Cell Biology
  • Pharmacology

Background:

  • Ion channels are crucial drug targets in various cell types, including neurons and muscle cells.
  • T cells express ion channels that are key regulators of immune responses.
  • Existing ion channel blockers lack the high affinity and selectivity required for safe clinical application.

Purpose of the Study:

  • To review the fundamental properties of ion channels in T cells.
  • To discuss known compounds that modulate T cell ion channel activity.
  • To highlight the potential of T cell ion channels for targeted immunomodulation.

Main Methods:

  • Literature review of ion channel properties in T cells.
  • Analysis of known small molecule and peptide toxin channel blockers.
  • Examination of T cell subset-specific potassium channel expression patterns.

Main Results:

  • T cell activation depends on specific potassium and calcium channels.
  • The expression of potassium channels varies across T cell subsets.
  • There is a need for novel, highly selective ion channel inhibitors.

Conclusions:

  • T cell ion channels represent promising targets for immunomodulatory therapies.
  • Selective suppression of autoreactive T cells is a key therapeutic goal.
  • Further research into high-affinity, selective ion channel modulators is warranted.

More Related Videos

Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens09:53

Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens

Published on: February 6, 2017

Quantitative High-throughput Single-cell Cytotoxicity Assay For T Cells09:28

Quantitative High-throughput Single-cell Cytotoxicity Assay For T Cells

Published on: February 2, 2013

Related Concept Videos

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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...
Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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...
Non-gated Ion Channels01:24

Non-gated Ion Channels

Ion channels are specialized proteins on the plasma membrane that allow charged ions to pass down their electrochemical gradient. Their main function is to maintain the membrane potential which is critical for cell viability. These channels are either gated or non-gated and can transport more than a thousand ions within milliseconds for the cellular event to occur.
Compared to the gated ion channels, the non-gated channels, also known as leakage or passive channels, have no gating mechanism.