A novel cuproptosis-related molecular pattern and its tumor microenvironment characterization in colorectal cancer DOI Creative Commons

Zhonglin Zhu,

Qiuyan Zhao, Song Wang

et al.

Frontiers in Immunology, Journal Year: 2022, Volume and Issue: 13

Published: Sept. 30, 2022

Cuproptosis, or copper-induced cell death, has been reported as a novel noncanonical form of death in recent times. However, the potential roles cuproptosis alteration tumor clinicopathological features and formation microenvironment (TME) remain unclear. In this study, we comprehensively analyzed cuproptosis-related molecular patterns 1,274 colorectal cancer samples based on 16 regulators. The consensus clustering algorithm was conducted to identify gene signatures. ssGSEA ESTIMATE algorithms were used evaluate enrichment levels infiltrated immune cells scores, respectively. score established assess individuals with principal component analysis expression genes. Three distinct confirmed demonstrated be associated distinguishable biological processes clinical prognosis. Interestingly, three revealed consistent infiltration characterizations: immune-desert, immune-inflamed, immune-excluded. Enhanced survival, activation cells, high purity presented patients low cuproptosisScore, implicating immune-inflamed phenotype. addition, scores linked mutation burden, MSI-H CTLA4 expression, showing higher proportion (IPS). Taken together, our study pattern TME cuproptosisScore will further strengthen understanding feature instruct more personalized immunotherapy schedule cancer.

Language: Английский

Carrier-Free Nanoplatform via Evoking Pyroptosis and Immune Response against Breast Cancer DOI
Lei Li, Hailong Tian, Zhe Zhang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2022, Volume and Issue: 15(1), P. 452 - 468

Published: Dec. 20, 2022

Pyroptosis, as a novel mode of cell death, has been proven to have impressive antitumor effects. Dying cells undergoing pyroptosis can elicit immunity by the release tumor-associated antigens (TAAs) and damage-associated molecular patterns (DAMPs). Accordingly, developing an effective, stable, controllable nanoplatform that promote these two side effects is promising option for cancer therapy. In this study, we designed carrier-free chemo-photodynamic (A-C/NPs) using co-assembly strategy with cytarabine (Ara-C) chlorin e6 (Ce6) induce subsequent immune response against breast cancer. Mechanistically, A-C/NPs trigger GSDME-mediated in manner through reactive oxygen species (ROS) accumulation, causing immunogenic death (ICD), which dying high-mobility group box 1 (HMGB1), adenosine triphosphate (ATP), calcitonin (CRT). Additionally, Ara-C stimulate maturation cytotoxic T lymphocytes act synergistically Ce6-mediated collectively augmenting anticancer effect A-C/NPs. The showed excellent suppressive on growth orthotopic, abscopal, recurrent tumors mouse model. therapy (PDT) proposed nanomedicine could be triggering improving global response.

Language: Английский

Citations

51

Pancreatic Cancer Patient-derived Organoids Can Predict Response to Neoadjuvant Chemotherapy DOI
Lyudmyla Demyan, Amber N. Habowski, Dennis Plenker

et al.

Annals of Surgery, Journal Year: 2022, Volume and Issue: 276(3), P. 450 - 462

Published: June 27, 2022

Objective: To evaluate if patient-derived organoids (PDOs) may predict response to neoadjuvant (NAT) chemotherapy in patients with pancreatic adenocarcinoma. Background: PDOs have been explored as a biomarker of therapy and for personalized therapeutics cancer. Methods: During 2017–2021, were enrolled into an IRB-approved protocol PDO cultures established. interest analyzed through translational pipeline incorporating molecular profiling drug sensitivity testing. Results: One hundred thirty-six samples, including both surgical resections fine needle aspiration/biopsy from 117 cancer collected. This biobank included diversity stage, sex, age, race, minority populations representing 1/3 collected cases (16% Black, 9% Asian, 7% Hispanic/Latino). Among specimens, generation was successful 71% (15 21) who had received NAT prior sample collection 76% (39 51) untreated or radiation at the time collection. Pathological correlated response, particularly oxaliplatin. We demonstrated feasibility rapid screen generated data within 7 days tissue resection. Conclusion: Herein we report large single-institution organoid biobank, ethnic samples. The ability establish chemotherapy-naive post-NAT enables longitudinal assess dynamic profiling. can be rapidly screened further development screening aid initial stratification most active regimen.

Language: Английский

Citations

48

Human epidermal growth factor receptor 2 (HER2)-specific chimeric antigen receptor (CAR) for tumor immunotherapy; recent progress DOI Creative Commons
Hendrik Setia Budi,

Firdaus Nuri Ahmad,

Harun Achmad

et al.

Stem Cell Research & Therapy, Journal Year: 2022, Volume and Issue: 13(1)

Published: Jan. 29, 2022

Abstract Due to the overexpression or amplification of human epidermal growth factor receptor 2 (HER2) with poor prognosis in a myriad tumors, recent studies have focused on HER2-targeted therapies. Deregulation HER2 signaling pathways is accompanied by sustained tumor cells concomitant their migration and also angiogenesis metastasis stimulation proliferation network blood vessels. A large number provided clear evidence that emerging HER2-directed treatments could be outcome patients suffering from positive breast gastric/gastroesophageal cancers. Thanks its great anti-tumor competence, immunotherapy using HER2-specific chimeric antigen (CAR) expressing immune cell has recently attracted increasing attention. Human T natural killer (NK) can largely found microenvironment, mainly contributing surveillance. Such properties make them perfect candidate for genetically modification express constructed CARs. Herein, we will describe potential targets clarify HER2-mediated tumorigenesis discuss findings respecting CAR-expressing (CAR CAR NK cell) treatment HER2-expressing tumors.

Language: Английский

Citations

47

The emerging role of pyroptosis in pediatric cancers: from mechanism to therapy DOI Creative Commons
Hua Wang, Xiaowen Zhou,

Chenbei Li

et al.

Journal of Hematology & Oncology, Journal Year: 2022, Volume and Issue: 15(1)

Published: Oct. 8, 2022

Abstract Pediatric cancers are the driving cause of death for children and adolescents. Due to safety requirements considerations, treatment strategies drugs pediatric have been so far scarcely studied. It is well known that tumor cells tend progressively evade cell pathways, which as apoptosis resistance, one hallmarks cancer, dominating drug resistance. Recently, treatments targeting nonapoptotic drawn great attention. Pyroptosis, a newly specialized form death, acts critical physiological regulator in inflammatory reaction, development, tissue homeostasis stress response. The action different forms pyroptosis significance therapy cancers. Pyroptosis could be induced consequently modulate tumorigenesis, progression, metastasis if treated with local or systemic therapies. However, excessive uncontrolled might lead damage, acute inflammation, even cytokine release syndrome, facilitates progression recurrence. Herein, we aimed describe molecular mechanisms pyroptosis, highlight discuss challenges opportunities activating pathways through various oncologic therapies multiple neoplasms, including osteosarcoma, neuroblastoma, leukemia, lymphoma, brain tumors.

Language: Английский

Citations

43

A novel cuproptosis-related molecular pattern and its tumor microenvironment characterization in colorectal cancer DOI Creative Commons

Zhonglin Zhu,

Qiuyan Zhao, Song Wang

et al.

Frontiers in Immunology, Journal Year: 2022, Volume and Issue: 13

Published: Sept. 30, 2022

Cuproptosis, or copper-induced cell death, has been reported as a novel noncanonical form of death in recent times. However, the potential roles cuproptosis alteration tumor clinicopathological features and formation microenvironment (TME) remain unclear. In this study, we comprehensively analyzed cuproptosis-related molecular patterns 1,274 colorectal cancer samples based on 16 regulators. The consensus clustering algorithm was conducted to identify gene signatures. ssGSEA ESTIMATE algorithms were used evaluate enrichment levels infiltrated immune cells scores, respectively. score established assess individuals with principal component analysis expression genes. Three distinct confirmed demonstrated be associated distinguishable biological processes clinical prognosis. Interestingly, three revealed consistent infiltration characterizations: immune-desert, immune-inflamed, immune-excluded. Enhanced survival, activation cells, high purity presented patients low cuproptosisScore, implicating immune-inflamed phenotype. addition, scores linked mutation burden, MSI-H CTLA4 expression, showing higher proportion (IPS). Taken together, our study pattern TME cuproptosisScore will further strengthen understanding feature instruct more personalized immunotherapy schedule cancer.

Language: Английский

Citations

40