CD8+ PD1+ T-cells drive liver cancer in NASH
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PROVIDER: PRJEB36747 | ENA |
REPOSITORIES: ENA
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Project description:Hepatocellular carcinoma (HCC) has dismal treatment responses to systemic therapies and is caused by both, viral and non-viral etiologies, including non-alcoholic steatohepatitis (NASH) 1–5. NASH - triggered by high caloric intake and sedentary lifestyle - has become an important driver for HCC development. Immunotherapy has been recently approved for HCC but stratification of responders versus non-responders has remained an unmet need 5–8. Here, we found a progressive accumulation of non-classical activated CD8+PD-1+ T-cells in livers of NASH-affected patients and mice. PD-L1/PD-1-targeted immunotherapy of NASH-induced HCC administered either at cancer-initiation or after cancer-establishment lacked beneficial effects in mice. On the contrary, PD-1-targeted immunotherapy drove hepatic necro-inflammation and increased liver cancer incidence, tumor number, and nodule size. Anti-CD8 or anti-CD8/anti-NK1.1 treatment suppressed liver cancer development, implicating CD8+ T-cells as liver cancer drivers in the context of NASH. In line, PD-1-/- mice challenged with a NASH-inducing diet displayed early-onset of liver cancer. Mechanistically, PD-1-targeted immunotherapy triggered necro-inflammation and a pro-tumorigenic environment in the context of NASH, increasing the abundance of hepatic TOX+CXCR6+ expressing CD8+PD-1+ TNF+ T-cells. Anti-CD8/anti-PD-1 or anti-TNF/anti-PD-1, but not anti-CD4/anti-PD-1 treatment reverted anti-PD1 treatment-related increase of liver inflammation, NASH severity and tumorigenesis. Gene expression profile and increased abundance of murine hepatic CD8+PD-1+ T-cells were corroborated in human CD8+PD-1+ T cells derived from NASH patients. In a meta-analysis of clinical trials testing PD-1-targeting immune checkpoint inhibitors alone (i.e. pembrolizumab) or in combination in 1656 patients with advanced HCC, immunotherapy was not favorable over to control treatment in non-viral- when compared to viral-related HCC. Similarly, in two clinical cohorts tested, patients with NASH-driven HCC had a significantly worse overall survival with PD-1-targeted immunotherapy than HCC patients with other etiologies. Our data identify non-viral etiologies, particularly NASH, as potentially non-responsive in the context of HCC immunotherapy, providing a strong rational basis for patient stratification.
2020-10-24 | GSE159977 | GEO
Project description:Immunotherapy has opened hitherto unknown possibilities to treat cancer. Whereas some cancer types (e.g. melanoma) can be efficiently treated, others lack measurable positive effects (e.g. PDAC). Moreover, stratification of responders/non-responders is only possible in some cancer types (e.g. melanoma). Hepatocellular carcinoma (HCC) has a dismal prognosis, limited treatment options and survival benefit, and represents a potential cancer entity for successful immunotherapy. Here, we investigated NASH-triggered HCC in the context PD-1-targeted immunotherapy. Using flow cytometry, single cell RNA sequencing, immunohistochemistry and mass spectrometric analyses, we found a progressive increase of CD8+PD-1+ effector T-cells with a unique profile of exhaustion and activation markers rising with murine and human NASH severity. Notably, late-stage HCC treatment with PD-1-targeted immunotherapy enhanced hepatic carcinogenesis in mice. Dissecting potential mechanisms of action during tumor-initiation and -progression we analyzed the effects of PD-1-targeted immunotherapy at HCC initiation. PD-1-targeted immunotherapy induced a pro-tumorigenic environment, enhanced necro-inflammation and increased NAFLD-activation score (NAS), leading to increased liver cancer incidence, tumor number and nodule size. In contrast, anti-CD8 or anti-CD8/anti-NK1.1 treatment reduced NAS and abrogated the development of liver cancer, thus identifying CD8+PD-1+ T-cells as drivers of liver cancer in NASH-triggered HCC. Increased apoptotic signaling, STAT3 phosphorylation and hepatic proliferation were detected in intra-tumoral liver tissue upon PD-1-targeted immunotherapy. In line, PD-1-/- mice challenged with a NASH diet displayed early onset of hepatocarcinogenesis, corroborating the pro-tumorigenic role of absent or reduced PD-1. Mechanistically PD-1-targeted immunotherapy mainly affected hepatic abundance of CD8+PD-1+ T-cells, instead of altering the quality of Tox+CXCR6+ expressing CD8+PD-1+TNF+CD39+Gzmb+ T-cells found in NASH livers, leading to an aggressive, pro-tumorigenic liver environment. Single-cell mapping of human NASH-, borderline NASH- or unaffected livers corroborated our preclinical NASH results. Moreover, in human NASH livers a correlation of hepatic CD8+, PD-1+, TNF+ T-cells with fibrosis and NASH severity was observed. Accordingly, HCC patients with NASH etiology display a sharp increase in intra- and peri-tumoral CD8+ PD-1+ T-cells. In a cohort of 65 patients recruited across 6 centers in Germany and Austria, patients with NAFLD/NASH-driven HCC responded worse to PD-1-targeted immunotherapy by Nivolumab or Pembrolizumab compared to non-NAFLD patients. This resulted in significant reduced overall survival, in trends of faster disease progression and reduced progression free survival. Histological analysis of livers derived from HCC patients treated with PD-1-targeted immunotherapy displayed high levels of intra and peri-tumoral CD8+ PD-1+ T-cells and Ki67+ hepatocytes. Taken together, these data indicate that PD-1-targeted immunotherapy induces immune-related adverse effects in NAFLD/NASH-driven HCC through CD8+PD-1+ T-cells. Our data call for stratification of HCC patients subjected to PD-1-targeted immunotherapy, with NAFLD being a negative predictor.
2021-03-03 | PXD017236 | Pride
Project description:Recent success in cancer immunotherapy has come from the blockade of inhibitory receptors on T cells, such as programmed cell death-1, which can induce a state of T cell exhaustion upon constant antigen stimulation. Understanding miRNA regulation of PD1 can be useful to discover miRNAs for use in therapy or as prognostic markers in various diseases including cancer, autoimmunity and transplantation. We used microarrays to discover global miRNA expression changes upon PD1 upregulation and identified miRNAs that are both up- and down-regulated. B16F10 cells were injected subcutaneously into C57BL/6 mice and 16 days later CD4+PD1+ and CD4+PD1- were sorted from the lymph nodes and spleen for RNA extraction and hybridization on Affymetrix miRNA array.
2015-08-01 | E-GEOD-65208 | biostudies-arrayexpress
Project description:Whereas some cancer types (e.g. melanoma) can be efficiently treated with immunotherapy, others lack measurable positive effects (e.g. PDAC ). Moreover, stratification of responders/non-responders is only possible in some cancer types (e.g. melanoma). Hepatocellular carcinoma (HCC) has a dismal prognosis, limited treatment options and survival benefit, and represents a potential cancer entity for successful immunotherapy. Here, we investigated NASH -triggered HCC in the context PD-1-targeted immunotherapy. Using flow cytometry, single cell RNA sequencing, immunohistochemistry and mass spectrometric analyses, we found a progressive increase of CD8+PD-1+ effector T-cells with a unique profile of exhaustion and activation markers rising with murine and human NASH severity. Notably, late-stage HCC treatment with PD-1-targeted immunotherapy enhanced hepatic carcinogenesis in mice. To dissect potential mechanisms of action during tumor-initiation and -progression we analyzed the effects of PD-1-targeted immunotherapy at HCC initiation. Anti-PD-1 treatment induced a pro-tumorigenic environment, enhanced necro-inflammation and increased NAFLD -activation score (NAS), leading to increased liver cancer incidence, tumor number and nodule size. In contrast, anti-CD8 treatment reduced NAS and abrogated the development of liver cancer, thus identifying CD8+PD-1+ T-cells as drivers of liver cancer in NASH-triggered HCC. Increased apoptotic signaling, STAT3 phosphorylation and hepatic proliferation were detected in intra-tumoral liver tissue upon PD-1-targeted immunotherapy. In line, PD-1-/- mice challenged with a NASH diet displayed early onset of hepatocarcinogenesis, corroborating the pro-tumorigenic role of absent or reduced PD-1. Mechanistically PD-1-targeted immunotherapy increased hepatic abundance of CD8+PD-1+Tox+CXCR6+CD8+PD-1+TNF+CD39+Gzmb+ T cells found in NASH livers, creating a pro-tumorigenic liver environment .
2021-01-19 | GSE144635 | GEO
Project description:Non-alcoholic fatty liver disease (NAFLD) is characterized by a series of pathological changes that can progress from simple fatty liver disease to non-alcoholic steatohepatitis (NASH). The objective of this study is to describe changes in global gene expression associated with the progression of NAFLD. This study is focused on the expression levels of genes responsible for the absorption, distribution, metabolism and excretion (ADME) of drugs. Differential gene expression between three clinically defined pathological groups; normal, steatosis and NASH was analyzed. The samples were diagnosed as normal, steatotic, NASH with fatty liver (NASH fatty) and NASH without fatty liver (NASH NF). Genome-wide mRNA levels in samples of human liver tissue were assayed with Affymetrix GeneChipM-. Human 1.0ST arrays
2011-07-12 | E-MEXP-3291 | biostudies-arrayexpress
Project description:Immunotherapies have shown remarkable, albeit tumor-selective therapeutic benefits in the clinic. Here we evaluated the effects of the immunocytokine PD1-IL2v in a mouse model of de novo pancreatic neuroendocrine cancer resistant to checkpoint and other immunotherapies. PD1-IL2v is a bi-specific molecule based on a bivalent PD-1 antibody, serving as a targeting moiety, fused to an immuno-stimulatory IL-2 variant (IL2v) to precisely deliver IL2v to PD-1+ T-cells in the tumor microenvironment. PD1-IL2v elicited dramatic infiltration by CD8 T cells, notably stem-like and effector memory T cells, resulting in tumor regression and enhanced survival in mice. Furthermore, combining anti-PD-L1 with PD1-IL2v sustained the response phase, improving therapeutic efficacy both by reprogramming immunosuppressive tumor-associated macrophages and tumor endothelial cells , and by enhancing TCR immune repertoire diversity. The data motivate consideration of clinical trials to evaluate the combination therapy of PD1-IL2v and anti-PD-L1, especially in immunotherapy-resistant tumors infiltrated with PD-1+ T stem-like CD8 T cells.
2023-01-10 | GSE197854 | GEO
Project description:Non-alcoholic fatty liver disease/steatohepatitis (NAFLD/NASH) is a significant risk factor for hepatocellular carcinoma (HCC). However, a preclinical model of progressive NAFLD/NASH is largely lacking. Here, we report that mice with hepatocyte-specific deletion of Tid1, encoding a mitochondrial cochaperone, tended to develop NASH-dependent HCC. Mice with hepatic Tid1 deficiency showed impairing mitochondrial function and causing fatty acid metabolic dysregulation; meanwhile, sequentially developed fatty liver, NASH, and cirrhosis/HCC in a diethylnitrosamine (DEN) induced oxidative environment. The pathological signatures of human NASH, including cholesterol accumulation and activation of inflammatory and apoptotic signaling pathways, are also present in these mice. Clinically, low Tid1 expression was associated with unfavorable prognosis in patients with HCC. Empirically, hepatic Tid1 deficiency directly disrupts entire mitochondria that play a key role in the NASH-dependent HCC development. Overall, we established a new mouse model that develops NASH-dependent HCC and provides a promising approach to improve the treatment.
2022-06-02 | E-MTAB-9973 | biostudies-arrayexpress
Project description:Patients with advanced melanoma have shown an improved outlook after receiving anti-PD1 therapy, but the low response rate restricts clinical benefit; therefore, enhancing anti-PD1 therapy efficacy remains a major challenge. Here, our findings show significantly higher abundance of α-KG in healthy controls, anti-PD1-sensitive melanoma-bearing mice, and anti-PD1-sensitive melanoma patients; moreover, supplementation with α-KG enhanced the efficacy of anti-PD1 immunotherapy and increased PD-L1 expression in melanomas via STAT1/3. We also found that supplementation with α-KG significantly increased methylcytosine dioxygenase TET2/3, which led to an increased 5-hydroxymethylcytosine (5-hmC) level in the PD-L1 promoter. As a consequence, STAT1/3 had been recognized and stabilized in PD-L1 promoter to upregulate PD-L1 expression. Importantly, single-cell sequencing of preclinical samples and analysis of clinical data revealed that the TET2/3-STAT1/3-CD274 signaling was associated with sensitivity to anti-PD1 treatment in melanoma. Taken together, we provide a novel insight into α-KG's function in melanoma anti-PD1 treatment and supplement of α-KG is a novel promising strategy to improve the efficacy of anti-PD1 therapy.
2023-03-08 | GSE223110 | GEO
Project description:To characterize gene expression changes in arachidonic acid metabolism pathway genes in the presense of non-alcoholic fatty liver disease (NAFLD)/non-alcoholic steatohepatitis (NASH) mice administered were administered an atherogenic diet for a period of four weeks. Administration of the atherogenic diet resulted in significant enrichment of the arachidonic acid metabolism pathway by gene set enrichment analysis (GSEA). The core enrichment subset of genes was down-regulated in mice administered the atherogenic diet and the majority of the genes that were down-regulated were cytochrome P450s. A total of 4 wild-type mice were administered a standard diet (STD; control group) and 4 wild-type mice were administered a HFHC diet (HFHC).
2014-01-03 | E-GEOD-53381 | biostudies-arrayexpress
Project description:PD-1-targeted immunotherapy in NASH-triggered liver cancer induces pro-tumorigenic environment through CD8+PD-1+ T-cells
| PRJNA604245 | ENA