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Tumor Immunotherapy

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.

Diversity of Antigen Receptors

Diversity of Antigen Receptors

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...

Structures of Solids

Structures of Solids

Solids in which the atoms, ions, or molecules are arranged in a definite repeating pattern are known as crystalline solids. Metals and ionic compounds typically form ordered, crystalline solids. A crystalline solid has a precise melting temperature because each atom or molecule of the same type is held in place with the same forces or energy. Amorphous solids or non-crystalline solids (or, sometimes, glasses) which lack an ordered internal structure and are randomly arranged. Substances that...

Metallic Solids

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....

Antigen Presenting Cells

Antigen Presenting Cells

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...

Network Covalent Solids

Network Covalent Solids

Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...

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Manufacturing Chimeric Antigen Receptor CAR T Cells for Adoptive Immunotherapy

Manufacturing Chimeric Antigen Receptor CAR T Cells for Adoptive Immunotherapy

Published on: December 17, 2019

[Prospect for chimeric antigen receptor-engineered T cell immunotherapy for solid tumors].

S Y Zhou¹, Y K Shi¹

¹Department of Medical Oncology, Beijing Key Laboratory of Clinical Study on Anticancer Molecular Targeted Drugs, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.

Zhonghua Zhong Liu Za Zhi [Chinese Journal of Oncology]

|July 31, 2018

Summary

Chimeric antigen receptor (CAR) T-cell therapy shows promise for solid tumors, building on success in blood cancers. Overcoming challenges in CAR T-cell expansion, survival, and metastasis is key for effective solid tumor treatment.

Keywords:

Chimeric antigen receptor-engineered T (CAR T) cell Immunotherapy Solid tumor

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Generation of Human Chimeric Antigen Receptor Regulatory T Cells

Generation of Human Chimeric Antigen Receptor Regulatory T Cells

Published on: January 3, 2025

Area of Science:

Immunotherapy
Cellular Therapy
Oncology

Background:

Chimeric antigen receptor (CAR) T-cell therapy has revolutionized hematological malignancy treatment.
Emerging research explores CAR T-cell applications in solid tumors.

Purpose of the Study:

To review the current state of CAR T-cell therapy for solid tumors.
To identify key challenges and potential solutions for clinical application.

Main Methods:

Literature review of recent advances in CAR T-cell therapy for solid tumors.
Analysis of challenges including in vivo CAR T-cell regulation (expansion, survival, metastasis, prognosis).

Main Results:

CAR T-cell therapy has shown encouraging results in hematological malignancies.
Significant hurdles remain for effective solid tumor treatment with CAR T-cells.

Conclusions:

Addressing bottlenecks in CAR T-cell function is crucial for developing effective solid tumor therapies.
Future research should focus on optimizing CAR T-cell strategies for solid tumor clinical treatment.