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Related Concept Videos

Diversity of Antigen Receptors01:28

Diversity of Antigen Receptors

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Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
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Antigen Presenting Cells01:22

Antigen Presenting Cells

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The immune system is a complex network of cells and molecules that protects the body from foreign invaders. T cells, a type of white blood cell, play a crucial role in this process. They recognize and attack foreign substances, such as pathogens, that enter the body.
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...
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Types of Receptors: Cell Surface Receptors01:28

Types of Receptors: Cell Surface Receptors

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Cell-surface receptors, also known as transmembrane receptors, are cell surface, membrane-anchored (integral) proteins that bind to external ligand molecules. This type of receptor spans the plasma membrane and performs signal transduction, converting an extracellular signal into an intracellular signal. Ligands that interact with cell-surface receptors do not have to enter the cell that they affect. Cell-surface receptors are also called cell-specific proteins or markers because they are...
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Internal Receptors01:31

Internal Receptors

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Many cellular signals are hydrophilic and therefore cannot pass through the plasma membrane. However, small or hydrophobic signaling molecules can cross the hydrophobic core of the plasma membrane and bind to internal, or intracellular, receptors that reside within the cell. Many mammalian steroid hormones use this mechanism of cell signaling, as does nitric oxide (NO) gas.
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Gene Therapy00:59

Gene Therapy

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Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
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Receptor-mediated Endocytosis01:39

Receptor-mediated Endocytosis

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Generation of Human Chimeric Antigen Receptor Regulatory T Cells
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Generation of Human Chimeric Antigen Receptor Regulatory T Cells

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Chimeric Antigen Receptor T-Cell Therapy.

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    Chimeric antigen receptor (CAR) T-cell therapy shows promise for relapsed or refractory cancers. Key considerations include patient selection, managing toxicities, and cost as this immunotherapy evolves.

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    In Vitro Tumor Cell Rechallenge For Predictive Evaluation of Chimeric Antigen Receptor T Cell Antitumor Function
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    In Vitro Tumor Cell Rechallenge For Predictive Evaluation of Chimeric Antigen Receptor T Cell Antitumor Function

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    Area of Science:

    • Oncology
    • Immunotherapy
    • Cancer Treatment

    Background:

    • Relapsed or refractory (R/R) cancers present poor prognoses and limited therapeutic options.
    • Recent approvals of CAR T-cell therapies for specific leukemias and lymphomas highlight their potential.
    • Significant factors like patient selection, toxicity, and cost require careful consideration for CAR T-cell therapy.

    Purpose of the Study:

    • To describe the current landscape of CAR T-cell therapy.
    • To outline future strategies for the expanding application of CAR T-cell therapy.
    • To address critical issues surrounding CAR T-cell therapy implementation.

    Main Methods:

    • Convened a multidisciplinary task force of experts in oncology, cancer center administration, and health policy.
    • Reviewed the current state of CAR T-cell therapy.
    • Identified key factors and future strategies for CAR T-cell therapy.

    Main Results:

    • CAR T-cell therapy represents a significant advancement in treating R/R B-cell acute lymphoblastic leukemia and non-Hodgkin's lymphoma.
    • Patient selection, toxicity management, and cost are crucial considerations for broader CAR T-cell therapy application.
    • The report provides a framework for addressing challenges and guiding the evolution of CAR T-cell therapy.

    Conclusions:

    • CAR T-cell therapy holds transformative potential for R/R cancers beyond current indications.
    • Proactive management of patient selection, toxicities, and costs is essential for successful CAR T-cell therapy implementation.
    • Continued expert collaboration and strategic planning are vital for advancing this novel immunotherapy.