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A Long-acting Interleukin-7, RhIL-7-hyFc, Enhances CAR-T Cell Expansion, Persistence, and Anti-tumor Activity

Chimeric antigen receptor (CAR) T cell therapy is a modern adoptive immunotherapy used to treat patients with relapsed/refractory B cell malignancies. However, clinical results showed that CAR-T cells with suboptimal cytotoxicity and reduced persistence could lead to antigen-positive tumor escape and disease relapse. Interleukin-7 is one of the growth factors related to T cell proliferation and survival. rhIL-7-hyFc, a form of interleukin-7 with longer in vivo serum half-life, was demonstrated to improve CAR-T cell expansion, persistence, and anti-tumor efficacy.

Optimization of the Proliferation and Persistency of CAR-T Cells Derived from Human Induced Pluripotent Stem Cells

Solid tumors are more refractory to chimeric antigen receptor (CAR) T-cell immunotherapies compared with hematological malignancy. Effector T-cell function was reduced in the tumor microenvironment, including accessibility, expansion, and persistent cytotoxicity.

Remodeling of Tumor Microenvironment by Microwave Ablation Potentiates Immunotherapy of AXL-specific CAR-T Cells against Non-small Cell Lung Cancer

The tumor microenvironment (TME) is a complex tissue that promotes tumor cell proliferation while suppressing T cell efficacy and exhausting them. Breaking the barrier requires regulating the TME and identifying tumor-specific antigens.

3D Model for CAR‐mediated Cytotoxicity using Patient‐derived Colorectal Cancer Organoids

Though CAR-T therapy has achieved success in leukemia treatment, extending the success to solid tumors is challenging due to limited knowledge of the complex solid tumor microenvironment. 3D cancer organoid models provide physiologically associated in vitro tissue models for car-cell therapy anti-tumor efficacy evaluation.

Autologous T Cell Therapy for MAGE-A4+ Solid Cancers In HLA-A*02+ Patients: A Phase 1 Trial

Melanoma-associated antigen A4, also named MAGE-A4, is a potential tumor-associated antigen overexpressed on various solid tumors. The low affinity of natural TCR binding on MAGE-A4 epitope inspired scientists to engineer the T cell with exogenous TCR for antigen recognition and induce enhanced antitumor activities.

Endowing Universal CAR-T cell with Immune-evasive Properties Using TALEN-gene Editing

Universal CAR-T is produced from healthy donor T cells and is engineered to kill tumor cells in allogeneic situations. To achieve this aim, TAL Effector Nucleases (TALEN) technology combined with recombinant adeno-associated virus particles (AAV6) are used to engineer T cells.

Human Chimeric Antigen Receptor Macrophages for Cancer Immunotherapy

Though chimeric antigen receptor-modified T cell therapy has shown exciting outcomes in hematologic malignancies treatment, its response to solid tumors is limited and needs more exploration. Macrophages, with the advantage of phagocytosis and migrating to tumor inches, are engineered to express car to kill tumor cells and refine inhibitory tumor microenvironments.

NKG2D-CAR-transduced Natural Killer Cells Efficiently Target Multiple Myeloma

CAR therapy is an attractive strategy for cancer treatment. CAR-NK cells are promising immunotherapy for multiple myeloma patients due to strong cytotoxicity to tumor cells and weak side effects to normal cells. NKG2D ligands show an increased expression in a large proportion of cancers and can be targeted by NKG2D expressed in NK cells and most T cells. In this article, researchers developed autologous NKG2D-CAR-NK cells for MM patients.

Non-viral Precision T Cell Receptor Replacement for Personalized Cell Therapy

TCR-T is a promising sensitive and specific adoptive cell transfer therapy for solid tumor treatment. In this article, scientists revealed a protocol for personalized T-cell receptor-modified T-cell production. They screened patient tumor-specific antigen peptides and corresponding TCRs using DNA and RNA sequence methods and developed autogenous TCR-modified T cells using non-viral techniques.

Targeting Advanced Prostate Cancer with STEAP1 Chimeric Antigen Receptor T Cell and Tumor-localized IL-12 Immunotherapy

Metastatic castration-resistant prostate cancer (mCRPC) is the late stage of prostate cancer. Researchers found that STEAP1, a six transmembrane epithelial antigen of the prostate 1, is highly expressed on prostate tumor cells and presents a more frequent and homogeneous expression in advanced prostate tumors.

Universal Redirection of CAR-T Cells against Solid Tumors via Membrane-inserted Ligands for the CAR

Good clinical results of chimeric antigen receptor (CAR) engineered T cell therapy in hematological malignancies has brought great expectation in translating the success to solid tumor eradication. However, the application of CAR-T in solid tumor treatment is hindered by the lack of proper antigen targets and the complex tumor microenvironment.

Which One is Better for Refractory/Relapsed Acute B-Cell Lymphoblastic Leukemia: Single-Target (CD19) or Dual-Target (Tandem or Sequential CD19/CD22) CAR T-Cell Therapy?

$Which One is Better for Refractory/Relapsed Acute B-Cell Lymphoblastic Leukemia: Single-Target (CD19) or Dual-Target (Tandem or Sequential CD19/CD22) CAR T-Cell Therapy?$

CAR-T cells targeted to CD19 antigen on B cells have achieved great clinical results in B-cell acute lymphoblastic leukemia (B-ALL) treatment. Dual-target CAR-T cells were developed to decrease the possibility of relapse induced by antigen escape after receiving CD19 CAR-T therapy.