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Savsani K, Dakshanamurthy S. Novel Methodology for the Design of Personalized Cancer Vaccine Targeting Neoantigens: Application to Pancreatic Ductal Adenocarcinoma. Diseases 2024; 12:149. [PMID: 39057120 PMCID: PMC11276509 DOI: 10.3390/diseases12070149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/03/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
Personalized cancer vaccines have emerged as a promising avenue for cancer treatment or prevention strategies. This approach targets the specific genetic alterations in individual patient's tumors, offering a more personalized and effective treatment option. Previous studies have shown that generalized peptide vaccines targeting a limited scope of gene mutations were ineffective, emphasizing the need for personalized approaches. While studies have explored personalized mRNA vaccines, personalized peptide vaccines have not yet been studied in this context. Pancreatic ductal adenocarcinoma (PDAC) remains challenging in oncology, necessitating innovative therapeutic strategies. In this study, we developed a personalized peptide vaccine design methodology, employing RNA sequencing (RNAseq) to identify prevalent gene mutations underlying PDAC development in a patient solid tumor tissue. We performed RNAseq analysis for trimming adapters, read alignment, and somatic variant calling. We also developed a Python program called SCGeneID, which validates the alignment of the RNAseq analysis. The Python program is freely available to download. Using chromosome number and locus data, SCGeneID identifies the target gene along the UCSC hg38 reference set. Based on the gene mutation data, we developed a personalized PDAC cancer vaccine that targeted 100 highly prevalent gene mutations in two patients. We predicted peptide-MHC binding affinity, immunogenicity, antigenicity, allergenicity, and toxicity for each epitope. Then, we selected the top 50 and 100 epitopes based on our previously published vaccine design methodology. Finally, we generated pMHC-TCR 3D molecular model complex structures, which are freely available to download. The designed personalized cancer vaccine contains epitopes commonly found in PDAC solid tumor tissue. Our personalized vaccine was composed of neoantigens, allowing for a more precise and targeted immune response against cancer cells. Additionally, we identified mutated genes, which were also found in the reference study, where we obtained the sequencing data, thus validating our vaccine design methodology. This is the first study designing a personalized peptide cancer vaccine targeting neoantigens using human patient data to identify gene mutations associated with the specific tumor of interest.
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Affiliation(s)
- Kush Savsani
- Department of Surgery, Virginia Commonwealth University, Richmond, VA 23219, USA
| | - Sivanesan Dakshanamurthy
- Lombardi Comprehensive Cancer Center, Georgetown University School of Medicine, Washington, DC 20007, USA
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Singh G, Kutcher D, Lally R, Rai V. Targeting Neoantigens in Pancreatic Ductal Adenocarcinoma. Cancers (Basel) 2024; 16:2101. [PMID: 38893220 PMCID: PMC11171042 DOI: 10.3390/cancers16112101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 05/23/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is the most common type of pancreatic cancer and is currently the third leading cause of cancer-related death in the United States after lung and colon cancer. PDAC is estimated to be the second leading cause of cancer-related death by 2030. The diagnosis at a late stage is the underlying cause for higher mortality and poor prognosis after surgery. Treatment resistance to chemotherapy and immunotherapy results in recurrence after surgery and poor prognosis. Neoantigen burden and CD8+ T-cell infiltration are associated with clinical outcomes in PDAC and paucity of neoantigen-reactive tumor-infiltrating lymphocytes may be the underlying cause for treatment resistance for immunotherapy. This suggests a need to identify additional neoantigens and therapies targeting these neoantigens to improve clinical outcomes in PDAC. In this review, we focus on describing the pathophysiology, current treatment strategies, and treatment resistance in PDAC followed by the need to target neoantigens in PDAC.
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Affiliation(s)
| | | | | | - Vikrant Rai
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA; (G.S.); (D.K.); (R.L.)
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3
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Chen C, Demirkhanyan L, Gondi CS. The Multifaceted Role of miR-21 in Pancreatic Cancers. Cells 2024; 13:948. [PMID: 38891080 PMCID: PMC11172074 DOI: 10.3390/cells13110948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
With the lack of specific signs and symptoms, pancreatic ductal adenocarcinoma (PDAC) is often diagnosed at late metastatic stages, resulting in poor survival outcomes. Among various biomarkers, microRNA-21 (miR-21), a small non-coding RNA, is highly expressed in PDAC. By inhibiting regulatory proteins at the 3' untranslated regions (UTR), miR-21 holds significant roles in PDAC cell proliferation, epithelial-mesenchymal transition, angiogenesis, as well as cancer invasion, metastasis, and resistance therapy. We conducted a systematic search across major databases for articles on miR-21 and pancreatic cancer mainly published within the last decade, focusing on their diagnostic, prognostic, therapeutic, and biological roles. This rigorous approach ensured a comprehensive review of miR-21's multifaceted role in pancreatic cancers. In this review, we explore the current understandings and future directions regarding the regulation, diagnostic, prognostic, and therapeutic potential of targeting miR-21 in PDAC. This exhaustive review discusses the involvement of miR-21 in proliferation, epithelial-mesenchymal transition (EMT), apoptosis modulation, angiogenesis, and its role in therapy resistance. Also discussed in the review is the interplay between various molecular pathways that contribute to tumor progression, with specific reference to pancreatic ductal adenocarcinoma.
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Affiliation(s)
- Clare Chen
- Department of Internal Medicine, University of Illinois College of Medicine Peoria, Peoria, IL 61605, USA
| | - Lusine Demirkhanyan
- Department of Internal Medicine, University of Illinois College of Medicine Peoria, Peoria, IL 61605, USA
- Departments of Internal Medicine and Surgery, University of Illinois College of Medicine Peoria, Peoria, IL 61605, USA
| | - Christopher S. Gondi
- Department of Internal Medicine, University of Illinois College of Medicine Peoria, Peoria, IL 61605, USA
- Departments of Internal Medicine and Surgery, University of Illinois College of Medicine Peoria, Peoria, IL 61605, USA
- Departments of Internal Medicine, Surgery, and Health Science Education and Pathology, University of Illinois College of Medicine Peoria, Peoria, IL 61605, USA
- Health Care Engineering Systems Center, The Grainger College of Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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Stefanoudakis D, Frountzas M, Schizas D, Michalopoulos NV, Drakaki A, Toutouzas KG. Significance of TP53, CDKN2A, SMAD4 and KRAS in Pancreatic Cancer. Curr Issues Mol Biol 2024; 46:2827-2844. [PMID: 38666907 PMCID: PMC11049225 DOI: 10.3390/cimb46040177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/16/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
The present review demonstrates the major tumor suppressor genes, including TP53, CDKN2A and SMAD4, associated with pancreatic cancer. Each gene's role, prevalence and impact on tumor development and progression are analyzed, focusing on the intricate molecular landscape of pancreatic cancer. In addition, this review underscores the prognostic significance of specific mutations, such as loss of TP53, and explores some potential targeted therapies tailored to these molecular signatures. The findings highlight the importance of genomic analyses for risk assessment, early detection and the design of personalized treatment approaches in pancreatic cancer. Overall, this review provides a comprehensive analysis of the molecular intricacies of pancreatic tumors, paving the way for more effective and tailored therapeutic interventions.
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Affiliation(s)
- Dimitrios Stefanoudakis
- First Propaedeutic Department of Surgery, Hippocration General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (D.S.); (N.V.M.)
| | - Maximos Frountzas
- First Propaedeutic Department of Surgery, Hippocration General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (D.S.); (N.V.M.)
| | - Dimitrios Schizas
- First Department of Surgery, Laikon General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Nikolaos V. Michalopoulos
- First Propaedeutic Department of Surgery, Hippocration General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (D.S.); (N.V.M.)
| | - Alexandra Drakaki
- Division of Hematology and Oncology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Konstantinos G. Toutouzas
- First Propaedeutic Department of Surgery, Hippocration General Hospital, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece; (D.S.); (N.V.M.)
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Capurso G, Tacelli M, Vanella G, Ponz de Leon Pisani R, Dell'Anna G, Abati M, Mele R, Lauri G, Panaitescu A, Nunziata R, Zaccari P, Archibugi L, Arcidiacono PG. Managing complications of chronic pancreatitis: a guide for the gastroenterologist. Expert Rev Gastroenterol Hepatol 2023; 17:1267-1283. [PMID: 38093702 DOI: 10.1080/17474124.2023.2295498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023]
Abstract
INTRODUCTION Chronic pancreatitis is a heterogeneous and complex syndrome that, in most cases, causes pain as a cardinal symptom and affects both the morphology and function of the pancreas, leading to several serious complications. AREAS COVERED The present review, based on a non-systematic PubMed search updated to June 2023, aims to present the current available evidence on the role of gastroenterologists in the diagnosis and treatment of both local and systemic complications by either endoscopic or medical treatments. EXPERT OPINION At diagnosis and during chronic pancreatitis follow-up, particular care is needed to consider not only the clinically manifest signs and symptoms of the disease, such as pain, jaundice, gastrointestinal obstruction, and pseudocysts, which require multidisciplinary discussion to establish the best treatment option (endoscopic or surgical), but also less evident systemic complications. Pancreatic exocrine and endocrine insufficiency, together with chronic inflammation, addiction, and dysbiosis, contribute to malnutrition, sarcopenia, and osteopathy. These complications, in turn, increase the risk of infection, thromboembolic events, and death. Patients with chronic pancreatitis also have an increased risk of psychiatric disorders and pancreatic cancer onset. Overall, patients with chronic pancreatitis should receive a holistic evaluation, considering all these aspects, possibly through multidisciplinary care in dedicated expert centers.
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Affiliation(s)
- Gabriele Capurso
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Matteo Tacelli
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Giuseppe Vanella
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Ruggero Ponz de Leon Pisani
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Giuseppe Dell'Anna
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Martina Abati
- Nutrition Service, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Roberto Mele
- Nutrition Service, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Gaetano Lauri
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Afrodita Panaitescu
- Vita-Salute San Raffaele University, Milan, Italy
- Bucharest Clinical Emergency Hospital, Bucharest, Romania
| | - Rubino Nunziata
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, Italy
| | - Piera Zaccari
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Livia Archibugi
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Paolo Giorgio Arcidiacono
- Pancreatobiliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
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Nie Y, Xu L, Bai Z, Liu Y, Wang S, Zeng Q, Gao X, Xia X, Chang D. Prognostic utility of TME-associated genes in pancreatic cancer. Front Genet 2023; 14:1218774. [PMID: 37727377 PMCID: PMC10505756 DOI: 10.3389/fgene.2023.1218774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 08/15/2023] [Indexed: 09/21/2023] Open
Abstract
Background: Pancreatic cancer (PC) is a deadly disease. The tumor microenvironment (TME) participates in PC oncogenesis. This study focuses on the assessment of the prognostic and treatment utility of TME-associated genes in PC. Methods: After obtaining the differentially expressed TME-related genes, univariate and multivariate Cox analyses and least absolute shrinkage and selection operator (LASSO) were performed to identify genes related to prognosis, and a risk model was established to evaluate risk scores, based on The Cancer Genome Atlas (TCGA) data set, and it was validated by external data sets from the Gene Expression Omnibus (GEO) and Clinical Proteomic Tumor Analysis Consortium (CPTAC). Multiomics analyses were adopted to explore the potential mechanisms, discover novel treatment targets, and assess the sensitivities of immunotherapy and chemotherapy. Results: Five TME-associated genes, namely, FERMT1, CARD9, IL20RB, MET, and MMP3, were identified and a risk score formula constructed. Next, their mRNA expressions were verified in cancer and normal pancreatic cells. Multiple algorithms confirmed that the risk model displayed a reliable ability of prognosis prediction and was an independent prognostic factor, indicating that high-risk patients had poor outcomes. Immunocyte infiltration, gene set enrichment analysis (GSEA), and single-cell analysis all showed a strong relationship between immune mechanism and low-risk samples. The risk score could predict the sensitivity of immunotherapy and some chemotherapy regimens, which included oxaliplatin and irinotecan. Various latent treatment targets (LAG3, TIGIT, and ARID1A) were addressed by mutation landscape based on the risk model. Conclusion: The risk model based on TME-related genes can reflect the prognosis of PC patients and functions as a novel set of biomarkers for PC therapy.
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Affiliation(s)
- Yuanhua Nie
- Department of Surgical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Longwen Xu
- Department of Surgical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Zilong Bai
- Department of Surgical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Yaoyao Liu
- Geneplus-Beijing, Co., Ltd., Beijing, China
| | - Shilong Wang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Qingnuo Zeng
- Department of Surgical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Xuan Gao
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- GenePlus- Shenzhen Clinical Laboratory, Shenzhen, China
| | | | - Dongmin Chang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Djoumi Y, Sadr-Azodi O, Vujasinovic M, Del Chiaro M, Sparrelid E, Ghorbani P, Holmberg M. Pre-emptive resection for intraductal papillary mucinous neoplasia - Long-term outcome is similar between non-invasive and early invasive lesions in a tertiary single center. Pancreatology 2023; 23:389-395. [PMID: 37002181 DOI: 10.1016/j.pan.2023.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/08/2023] [Accepted: 03/19/2023] [Indexed: 06/04/2023]
Abstract
BACKGROUND Pre-emptive resection for intraductal papillary mucinous neoplasm (IPMN) aims to reduce the risk before invasive transformation has taken place. Pancreatic resections are highly associated with major morbidity and mortality. Long-term overall survival (OS) after resection for invasive IPMN (inv-IPMN) in early stages is favorable. Comparison of long-term OS for resected non-invasive IPMN and early staged inv-IPMN is poorly delineated. This study aims to compare outcomes for resected non-invasive IPMN and T1-staged inv-IPMN. METHODS All patients ≥18 years of age resected for IPMN up to stage T1 at Karolinska University Hospital between 2008 and 2020 were included. Two-year OS were compared between groups by chi-squared test, and 5-year OS was estimated using Kaplan-Meier method. Covariates associated with death was assessed in multivariable Cox regression model. RESULTS We included 284 patients, 264 (93%) non-invasive IPMN and 20 (7%) T1-staged inv-IPMN. Dysplasia of low grade (LGD) and high grade, i.e., tumor in situ (Tis) were present in 190 (67%) and 75 (26%) patients respectively. The 2-year OS for the entire cohort was 96%, and there were no differences between non-invasive and inv-IPMN (96% vs 92%, p = 0.203), nor between IPMN with LGD and Tis-T1b-staged IPMN (96% vs 95%, p = 0.734). CONCLUSION Two thirds of the specimen from pre-emptive resections were of LGD and did not involve superior OS than in situ or early cancer. Due to high complication burden, efforts should be made to avoid resection when LGD is probable and rather identify more accurate predictors for surgery.
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Affiliation(s)
- Yasmine Djoumi
- Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden
| | - Omid Sadr-Azodi
- Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden; Department of Upper Gastrointestinal Surgery, Capio S.t Görans Hospital, Stockholm, Sweden
| | - Miroslav Vujasinovic
- Department of Upper Digestive Diseases, Karolinska University Hospital, Stockholm, Sweden; Department of Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Marco Del Chiaro
- Department of Surgery, University of Colorado, Anschutz Medical Campus, Denver, USA
| | - Ernesto Sparrelid
- Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden; Department of Upper Digestive Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Poya Ghorbani
- Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden; Department of Upper Digestive Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Marcus Holmberg
- Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden; Department of Upper Gastrointestinal Surgery, Capio S.t Görans Hospital, Stockholm, Sweden.
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Fisher EM, Greensmith L, Malaspina A, Fratta P, Hanna MG, Schiavo G, Isaacs AM, Orrell RW, Cunningham TJ, Arozena AA. Opinion: more mouse models and more translation needed for ALS. Mol Neurodegener 2023; 18:30. [PMID: 37143081 PMCID: PMC10161557 DOI: 10.1186/s13024-023-00619-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 04/11/2023] [Indexed: 05/06/2023] Open
Abstract
Amyotrophic lateral sclerosis is a complex disorder most of which is 'sporadic' of unknown origin but approximately 10% is familial, arising from single mutations in any of more than 30 genes. Thus, there are more than 30 familial ALS subtypes, with different, often unknown, molecular pathologies leading to a complex constellation of clinical phenotypes. We have mouse models for many genetic forms of the disorder, but these do not, on their own, necessarily show us the key pathological pathways at work in human patients. To date, we have no models for the 90% of ALS that is 'sporadic'. Potential therapies have been developed mainly using a limited set of mouse models, and through lack of alternatives, in the past these have been tested on patients regardless of aetiology. Cancer researchers have undertaken therapy development with similar challenges; they have responded by producing complex mouse models that have transformed understanding of pathological processes, and they have implemented patient stratification in multi-centre trials, leading to the effective translation of basic research findings to the clinic. ALS researchers have successfully adopted this combined approach, and now to increase our understanding of key disease pathologies, and our rate of progress for moving from mouse models to mechanism to ALS therapies we need more, innovative, complex mouse models to address specific questions.
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Affiliation(s)
- Elizabeth M.C. Fisher
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
| | - Linda Greensmith
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
| | - Andrea Malaspina
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
| | - Pietro Fratta
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
| | - Michael G. Hanna
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
| | - Giampietro Schiavo
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- UK Dementia Research Institute at UCL, London, WC1E 6BT UK
| | - Adrian M. Isaacs
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- UK Dementia Research Institute at UCL, London, WC1E 6BT UK
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
| | - Richard W. Orrell
- UCL Queen Square Motor Neuron Disease Centre, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG UK
| | - Thomas J. Cunningham
- MRC Prion Unit at UCL, Courtauld Building, 33 Cleveland Street, London, W1W 7FF UK
| | - Abraham Acevedo Arozena
- Research Unit, Hospital Universitario de Canarias, ITB-ULL and CIBERNED, La Laguna, 38320 Spain
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Zhang F, Yan Y, Liang Q, Liu Y, Wu G, Xu Z, Yang K. A combined analysis of bulk and single-cell sequencing data reveals metabolic enzyme, pyruvate dehydrogenase E1 subunit beta (PDHB), as a prediction biomarker for the tumor immune response and immunotherapy. Heliyon 2023; 9:e13456. [PMID: 36816316 PMCID: PMC9929299 DOI: 10.1016/j.heliyon.2023.e13456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/27/2023] [Accepted: 01/31/2023] [Indexed: 02/10/2023] Open
Abstract
Pyruvate dehydrogenase E1 subunit beta (PDHB) is located in mitochondria and catalyzes the conversion of glucose-derived acetyl-CoA. The detailed roles of PDHB in human cancers is unclear. Here, through comprehensive bioinformatics analysis, we found that PDHB was aberrantly expressed in multiple human cancers and is associated with patients' clinical stage. The abnormal expression of PDHB was related to the prognostic values of cancers, such as kidney renal clear cell carcinoma (KIRC) and kidney renal papillary cell carcinoma (KIRP). The Wanderer database with clinical data from Cancer Genome Atlas (TCGA) showed a significant correlation between PDHB expression and the pathologic stage of KIRP patients. We also evaluated the mutation profiles of PDHB in pan-cancer, and showed its roles on the patients' prognosis. At last, from several immunity algorithms, we demonstrated that the expression of PDHB was correlated with the infiltration of various immune cells in pan-cancer. Moreover, the aberrant PDHB had effects on the response to immune checkpoint inhibitors in cancer patients, such as anti-PD-1. Taken together, our study demonstrated the prognostic values of PDHB in pan-cancers. PDHB may be a potential molecular marker to predicting the immune response in cancer patients.
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Affiliation(s)
- Fan Zhang
- Department of Gynecology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China,Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410008, Hunan, China
| | - Yuanliang Yan
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Qiuju Liang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Yuanhong Liu
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Geting Wu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China,Corresponding author. Department of Pathology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Zhijie Xu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Keda Yang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China,Corresponding author. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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Pancreatic Cancer in Chronic Pancreatitis: Pathogenesis and Diagnostic Approach. Cancers (Basel) 2023; 15:cancers15030761. [PMID: 36765725 PMCID: PMC9913572 DOI: 10.3390/cancers15030761] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/20/2023] [Accepted: 01/24/2023] [Indexed: 01/28/2023] Open
Abstract
Chronic pancreatitis is one of the main risk factors for pancreatic cancer, but it is a rare event. Inflammation and oncogenes work hand in hand as key promoters of this disease. Tobacco is another co-factor. During alcoholic chronic pancreatitis, the cumulative risk of cancer is estimated at 4% after 15 to 20 years. This cumulative risk is higher in hereditary pancreatitis: 19 and 12% in the case of PRSS1 and SPINK1 mutations, respectively, at an age of 60 years. The diagnosis is difficult due to: (i) clinical symptoms of cancer shared with those of chronic pancreatitis; (ii) the parenchymal and ductal remodeling of chronic pancreatitis rendering imaging analysis difficult; and (iii) differential diagnoses, such as pseudo-tumorous chronic pancreatitis and paraduodenal pancreatitis. Nevertheless, the occurrence of cancer during chronic pancreatitis must be suspected in the case of back pain, weight loss, unbalanced diabetes, and jaundice, despite alcohol withdrawal. Imaging must be systematically reviewed. Endoscopic ultrasound-guided fine-needle biopsy can contribute by targeting suspicious tissue areas with the help of molecular biology (search for KRAS, TP53, CDKN2A, DPC4 mutations). Short-term follow-up of patients is necessary at the clinical and paraclinical levels to try to diagnose cancer at a surgically curable stage. Pancreatic surgery is sometimes necessary if there is any doubt.
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Holmberg M, Radkiewicz C, Strömberg C, Öman M, Ghorbani P, Löhr JM, Sparrelid E. Outcome after surgery for invasive intraductal papillary mucinous neoplasia compared to conventional pancreatic ductal adenocarcinoma - A Swedish nationwide register-based study. Pancreatology 2023; 23:90-97. [PMID: 36522260 DOI: 10.1016/j.pan.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 10/08/2022] [Accepted: 12/07/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND The clinical importance of intraductal papillary mucinous neoplasm (IPMN) have increased last decades. Long-term survival after resection for invasive IPMN (inv-IPMN) compared to conventional pancreatic ductal adenocarcinoma (PDAC) is not thoroughly delineated. OBJECTIVE This study, based on the Swedish national pancreatic and periampullary cancer registry aims to elucidate the outcome after resection of inv-IPMN compared to PDAC. METHODS All patients ≥18 years of age resected for inv-IPMN and PDAC in Sweden between 2010 and 2019 were included. Clinicopathological variables were retrieved from the national registry. The effect on death was assessed in two multivariable Cox regression models, one for patients resected 2010-2015, one for patients resected 2016-2019. Median overall survival (OS) was estimated using the Kaplan-Meier method. RESULTS We included 1909 patients, 293 inv-IPMN and 1616 PDAC. The most important independent predictors of death in multivariable Cox regressions were CA19-9 levels, venous resection, tumour differentiation, as well as T-, N-, M-stage and surgical margin. Tumour type was an independent predictor for death in the 2016-2019 cohort, but not in the 2010-2015 cohort. In Kaplan-Meier survival analysis, inv-IPMN was associated with longer median OS in stage N0-1 and in stage M0 compared to PDAC. However, in stage T2-4 and stage N2 median OS was similar, and in stage M1 even shorter for inv-IPMN compared to PDAC. CONCLUSION In this population-based nationwide study, outcome after resected inv-IPMN compared to PDAC is more favourable in lower stages, and similar to worse in higher.
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Affiliation(s)
- Marcus Holmberg
- Department of Upper Digestive Diseases, Karolinska University Hospital and Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden.
| | - Cecilia Radkiewicz
- Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden
| | - Cecilia Strömberg
- Department of Upper Digestive Diseases, Karolinska University Hospital and Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden
| | - Mikael Öman
- Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Sweden
| | - Poya Ghorbani
- Department of Upper Digestive Diseases, Karolinska University Hospital and Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden
| | - J-Matthias Löhr
- Department of Upper Digestive Diseases, Karolinska University Hospital and Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden
| | - Ernesto Sparrelid
- Department of Upper Digestive Diseases, Karolinska University Hospital and Department of Clinical Science, Intervention, and Technology, Karolinska Institute, Stockholm, Sweden
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Hung YH, Chen LT, Hung WC. The Trinity: Interplay among Cancer Cells, Fibroblasts, and Immune Cells in Pancreatic Cancer and Implication of CD8 + T Cell-Orientated Therapy. Biomedicines 2022; 10:biomedicines10040926. [PMID: 35453676 PMCID: PMC9026398 DOI: 10.3390/biomedicines10040926] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/15/2022] [Accepted: 04/17/2022] [Indexed: 02/01/2023] Open
Abstract
The microenvironment in tumors is complicated and is constituted by different cell types and stromal proteins. Among the cell types, the abundance of cancer cells, fibroblasts, and immune cells is high and these cells work as the “Trinity” in promoting tumorigenesis. Although unidirectional or bidirectional crosstalk between two independent cell types has been well characterized, the multi-directional interplays between cancer cells, fibroblasts, and immune cells in vitro and in vivo are still unclear. We summarize recent studies in addressing the interaction of the “Trinity” members in the tumor microenvironment and propose a functional network for how these members communicate with each other. In addition, we discuss the underlying mechanisms mediating the interplay. Moreover, correlations of the alterations in the distribution and functionality of cancer cells, fibroblasts, and immune cells under different circumstances are reviewed. Finally, we point out the future application of CD8+ T cell-oriented therapy in the treatment of pancreatic cancer.
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Affiliation(s)
- Yu-Hsuan Hung
- National Institute of Cancer Research, National Health Research Institutes, Tainan 704, Taiwan;
| | - Li-Tzong Chen
- National Institute of Cancer Research, National Health Research Institutes, Tainan 704, Taiwan;
- Division of Hematology & Oncology, Department of Internal Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 804, Taiwan
- Center for Cancer Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Correspondence: (L.-T.C.); (W.-C.H.)
| | - Wen-Chun Hung
- National Institute of Cancer Research, National Health Research Institutes, Tainan 704, Taiwan;
- Correspondence: (L.-T.C.); (W.-C.H.)
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Reyes-Castellanos G, Abdel Hadi N, Carrier A. Autophagy Contributes to Metabolic Reprogramming and Therapeutic Resistance in Pancreatic Tumors. Cells 2022; 11:426. [PMID: 35159234 PMCID: PMC8834004 DOI: 10.3390/cells11030426] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 02/06/2023] Open
Abstract
Metabolic reprogramming is a feature of cancers for which recent research has been particularly active, providing numerous insights into the mechanisms involved. It occurs across the entire cancer process, from development to resistance to therapies. Established tumors exhibit dependencies for metabolic pathways, constituting vulnerabilities that can be targeted in the clinic. This knowledge is of particular importance for cancers that are refractory to any therapeutic approach, such as Pancreatic Ductal Adenocarcinoma (PDAC). One of the metabolic pathways dysregulated in PDAC is autophagy, a survival process that feeds the tumor with recycled intracellular components, through both cell-autonomous (in tumor cells) and nonautonomous (from the local and distant environment) mechanisms. Autophagy is elevated in established PDAC tumors, contributing to aberrant proliferation and growth even in a nutrient-poor context. Critical elements link autophagy to PDAC including genetic alterations, mitochondrial metabolism, the tumor microenvironment (TME), and the immune system. Moreover, high autophagic activity in PDAC is markedly related to resistance to current therapies. In this context, combining autophagy inhibition with standard chemotherapy, and/or drugs targeting other vulnerabilities such as metabolic pathways or the immune response, is an ongoing clinical strategy for which there is still much to do through translational and multidisciplinary research.
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Affiliation(s)
| | | | - Alice Carrier
- Centre de Recherche en Cancérologie de Marseille (CRCM), CNRS, INSERM, Institut Paoli-Calmettes, Aix Marseille Université, F-13009 Marseille, France; (G.R.-C.); (N.A.H.)
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