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Rosario CO, Musser ML, Yuan L, Mochel JP, Talbott J, Johannes CM, Berger EP. Retrospective evaluation of toceranib phosphate (Palladia) use in the treatment of feline pancreatic carcinoma. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 2023; 64:1143-1148. [PMID: 38046430 PMCID: PMC10637710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Objective To retrospectively assess the biological response in cats with pancreatic carcinoma treated with toceranib phosphate. Animals Twenty-six client-owned cats. Procedure Patient information from multiple institutions was solicited via an emailed REDCap survey. For inclusion, cats were required to have a confirmed diagnosis of exocrine pancreatic carcinoma either by histopathology, cytology, or both; to have received treatment with toceranib phosphate; and to have adequate follow-up data for analysis. Results Twenty cats were treated for gross disease and 6 for microscopic disease/incomplete margins. Clinical benefit (complete response, partial response, or stable disease ≥ 10 wk) was observed in 9/20 cats treated in the gross disease setting (45%; complete response: n = 1, stable disease: n = 8). The remaining 11 cats with gross disease did not respond to toceranib phosphate. In the cats with microscopic disease, response was mixed. The median survival time for all cats was 97 d (range: 1 to 1666 d). Conclusion Toceranib phosphate was well-tolerated and provided modest clinical benefit to a subset of cats treated. Clinical relevance Although feline exocrine pancreatic carcinoma continues to be a challenging disease to treat, toceranib phosphate appeared to provide potential clinical benefit.
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Affiliation(s)
- Carlos Ortiz Rosario
- Department of Veterinary Clinical Science (Ortiz Rosario, Musser, Johannes, Berger) and Department of Veterinary Biomedical Science (Yuan, Mochel), Iowa State University College of Veterinary Medicine, 1800 Christensen Drive, Ames, Iowa 50011, USA; SMART Pharmacology, Iowa State University, 1800 Christensen Drive, Ames, Iowa 50011, USA (Yuan, Mochel); Angell Animal Medical Center, 350 S. Huntington Avenue, Boston, Massachusetts 02130, USA (Talbott)
| | - Margaret L Musser
- Department of Veterinary Clinical Science (Ortiz Rosario, Musser, Johannes, Berger) and Department of Veterinary Biomedical Science (Yuan, Mochel), Iowa State University College of Veterinary Medicine, 1800 Christensen Drive, Ames, Iowa 50011, USA; SMART Pharmacology, Iowa State University, 1800 Christensen Drive, Ames, Iowa 50011, USA (Yuan, Mochel); Angell Animal Medical Center, 350 S. Huntington Avenue, Boston, Massachusetts 02130, USA (Talbott)
| | - Lignan Yuan
- Department of Veterinary Clinical Science (Ortiz Rosario, Musser, Johannes, Berger) and Department of Veterinary Biomedical Science (Yuan, Mochel), Iowa State University College of Veterinary Medicine, 1800 Christensen Drive, Ames, Iowa 50011, USA; SMART Pharmacology, Iowa State University, 1800 Christensen Drive, Ames, Iowa 50011, USA (Yuan, Mochel); Angell Animal Medical Center, 350 S. Huntington Avenue, Boston, Massachusetts 02130, USA (Talbott)
| | - Jonathan P Mochel
- Department of Veterinary Clinical Science (Ortiz Rosario, Musser, Johannes, Berger) and Department of Veterinary Biomedical Science (Yuan, Mochel), Iowa State University College of Veterinary Medicine, 1800 Christensen Drive, Ames, Iowa 50011, USA; SMART Pharmacology, Iowa State University, 1800 Christensen Drive, Ames, Iowa 50011, USA (Yuan, Mochel); Angell Animal Medical Center, 350 S. Huntington Avenue, Boston, Massachusetts 02130, USA (Talbott)
| | - Jessica Talbott
- Department of Veterinary Clinical Science (Ortiz Rosario, Musser, Johannes, Berger) and Department of Veterinary Biomedical Science (Yuan, Mochel), Iowa State University College of Veterinary Medicine, 1800 Christensen Drive, Ames, Iowa 50011, USA; SMART Pharmacology, Iowa State University, 1800 Christensen Drive, Ames, Iowa 50011, USA (Yuan, Mochel); Angell Animal Medical Center, 350 S. Huntington Avenue, Boston, Massachusetts 02130, USA (Talbott)
| | - Chad M Johannes
- Department of Veterinary Clinical Science (Ortiz Rosario, Musser, Johannes, Berger) and Department of Veterinary Biomedical Science (Yuan, Mochel), Iowa State University College of Veterinary Medicine, 1800 Christensen Drive, Ames, Iowa 50011, USA; SMART Pharmacology, Iowa State University, 1800 Christensen Drive, Ames, Iowa 50011, USA (Yuan, Mochel); Angell Animal Medical Center, 350 S. Huntington Avenue, Boston, Massachusetts 02130, USA (Talbott)
| | - Erika P Berger
- Department of Veterinary Clinical Science (Ortiz Rosario, Musser, Johannes, Berger) and Department of Veterinary Biomedical Science (Yuan, Mochel), Iowa State University College of Veterinary Medicine, 1800 Christensen Drive, Ames, Iowa 50011, USA; SMART Pharmacology, Iowa State University, 1800 Christensen Drive, Ames, Iowa 50011, USA (Yuan, Mochel); Angell Animal Medical Center, 350 S. Huntington Avenue, Boston, Massachusetts 02130, USA (Talbott)
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Shetu SA, James N, Rivera G, Bandyopadhyay D. Molecular Research in Pancreatic Cancer: Small Molecule Inhibitors, Their Mechanistic Pathways and Beyond. Curr Issues Mol Biol 2023; 45:1914-1949. [PMID: 36975494 PMCID: PMC10047141 DOI: 10.3390/cimb45030124] [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: 01/01/2023] [Revised: 02/06/2023] [Accepted: 02/21/2023] [Indexed: 03/04/2023] Open
Abstract
Pancreatic enzymes assist metabolic digestion, and hormones like insulin and glucagon play a critical role in maintaining our blood sugar levels. A malignant pancreas is incapable of doing its regular functions, which results in a health catastrophe. To date, there is no effective biomarker to detect early-stage pancreatic cancer, which makes pancreatic cancer the cancer with the highest mortality rate of all cancer types. Primarily, mutations of the KRAS, CDKN2A, TP53, and SMAD4 genes are responsible for pancreatic cancer, of which mutations of the KRAS gene are present in more than 80% of pancreatic cancer cases. Accordingly, there is a desperate need to develop effective inhibitors of the proteins that are responsible for the proliferation, propagation, regulation, invasion, angiogenesis, and metastasis of pancreatic cancer. This article discusses the effectiveness and mode of action at the molecular level of a wide range of small molecule inhibitors that include pharmaceutically privileged molecules, compounds under clinical trials, and commercial drugs. Both natural and synthetic small molecule inhibitors have been counted. Anti-pancreatic cancer activity and related benefits of using single and combined therapy have been discussed separately. This article sheds light on the scenario, constraints, and future aspects of various small molecule inhibitors for treating pancreatic cancer-the most dreadful cancer so far.
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Affiliation(s)
- Shaila A. Shetu
- Department of Chemistry, The University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, TX 78539, USA
| | - Nneoma James
- Department of Chemistry, The University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, TX 78539, USA
| | - Gildardo Rivera
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Debasish Bandyopadhyay
- Department of Chemistry, The University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, TX 78539, USA
- School of Earth Environment & Marine Sciences (SEEMS), The University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, TX 78539, USA
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Chen G, Wu K, Li H, Xia D, He T. Role of hypoxia in the tumor microenvironment and targeted therapy. Front Oncol 2022; 12:961637. [PMID: 36212414 PMCID: PMC9545774 DOI: 10.3389/fonc.2022.961637] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 09/01/2022] [Indexed: 11/21/2022] Open
Abstract
Tumor microenvironment (TME), which is characterized by hypoxia, widely exists in solid tumors. As a current research hotspot in the TME, hypoxia is expected to become a key element to break through the bottleneck of tumor treatment. More and more research results show that a variety of biological behaviors of tumor cells are affected by many factors in TME which are closely related to hypoxia. In order to inhibiting the immune response in TME, hypoxia plays an important role in tumor cell metabolism and anti-apoptosis. Therefore, exploring the molecular mechanism of hypoxia mediated malignant tumor behavior and therapeutic targets is expected to provide new ideas for anti-tumor therapy. In this review, we discussed the effects of hypoxia on tumor behavior and its interaction with TME from the perspectives of immune cells, cell metabolism, oxidative stress and hypoxia inducible factor (HIF), and listed the therapeutic targets or signal pathways found so far. Finally, we summarize the current therapies targeting hypoxia, such as glycolysis inhibitors, anti-angiogenesis drugs, HIF inhibitors, hypoxia-activated prodrugs, and hyperbaric medicine.
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Affiliation(s)
- Gaoqi Chen
- Department of Hepatobiliary Pancreatic Surgery, Changhai Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
| | - Kaiwen Wu
- Department of Gastroenterology, The Third People’s Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
| | - Hao Li
- Deparment of Neurology, Affiliated Hospital of Jiangsu University, Jiang Su University, Zhenjiang, China
| | - Demeng Xia
- Luodian Clinical Drug Research Center, Shanghai Baoshan Luodian Hospital, Shanghai University, Shanghai, China
- *Correspondence: Demeng Xia, ; Tianlin He,
| | - Tianlin He
- Department of Hepatobiliary Pancreatic Surgery, Changhai Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
- *Correspondence: Demeng Xia, ; Tianlin He,
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Shih YH, Peng CL, Chiang PF, Shieh MJ. Dual-Functional Polymeric Micelles Co-Loaded with Antineoplastic Drugs and Tyrosine Kinase Inhibitor for Combination Therapy in Colorectal Cancer. Pharmaceutics 2022; 14:pharmaceutics14040768. [PMID: 35456602 PMCID: PMC9030189 DOI: 10.3390/pharmaceutics14040768] [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: 02/26/2022] [Revised: 03/18/2022] [Accepted: 03/26/2022] [Indexed: 12/24/2022] Open
Abstract
The aim of this research was to evaluate the receptor tyrosine kinase inhibitor Sunitinib combined with SN-38 in polymeric micelles for antitumor efficacy in colorectal cancer. First, SN-38 and Sunitinib co-loaded micelles were developed and characterized. We studied cell viability and cellular uptake in HCT-116 cells. Then, subcutaneous HCT-116 xenograft tumors were used for ex vivo biodistribution, antitumor efficacy, and histochemical analysis studies. Results of cellular uptake and ex vivo biodistribution of SN-38/Sunitinib micelles showed the highest accumulation in tumors compared with other normal organs. In the antitumor effect studies, mice bearing HCT-116 tumors were smallest at day 28 after injection of SN-38/Sunitinib micelles, compared with other experiment groups (p < 0.01). As demonstrated by the results of inhibition on multi-receptors by Sunitinib, we confirmed that SN-38/Sunitinib co-loaded micelles to be a treatment modality that could inhibit VEGF and PDGF receptors and enhance the antitumor effect of SN-38 (p < 0.05). In summary, we consider that this micelle is a potential formulation for the combination of SN-38 and Sunitinib in the treatment of colorectal cancer.
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Affiliation(s)
- Ying-Hsia Shih
- Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan 32546, Taiwan; (Y.-H.S.); (P.-F.C.)
| | - Cheng-Liang Peng
- Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan 32546, Taiwan; (Y.-H.S.); (P.-F.C.)
- Correspondence: (C.-L.P.); (M.-J.S.)
| | - Ping-Fang Chiang
- Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan 32546, Taiwan; (Y.-H.S.); (P.-F.C.)
| | - Ming-Jium Shieh
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, Taipei 100, Taiwan
- Department of Oncology, National Taiwan University Hospital and College of Medicine, Taipei 100, Taiwan
- Correspondence: (C.-L.P.); (M.-J.S.)
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Mashayekhi V, Mocellin O, Fens MH, Krijger GC, Brosens LA, Oliveira S. Targeting of promising transmembrane proteins for diagnosis and treatment of pancreatic ductal adenocarcinoma. Theranostics 2021; 11:9022-9037. [PMID: 34522225 PMCID: PMC8419040 DOI: 10.7150/thno.60350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 07/12/2021] [Indexed: 12/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most fatal types of cancer due to the relatively late diagnosis and the limited therapeutic options. Current treatment regimens mainly comprise the cytotoxic agents gemcitabine and FOLFIRINOX. These compounds have shown limited efficacy and severe side effects, highlighting the necessity for earlier detection and the development of more effective, and better-tolerated treatments. Although targeted therapies are promising for the treatment of several types of cancer, identification of suitable targets for early diagnosis and targeted therapy of PDAC is challenging. Interestingly, several transmembrane proteins are overexpressed in PDAC cells that show low expression in healthy pancreas and may therefore serve as potential targets for treatment and/or diagnostic purposes. In this review we describe the 11 most promising transmembrane proteins, carefully selected after a thorough literature search. Favorable features and potential applications of each target, as well as the results of the preclinical and clinical studies conducted in the past ten years, are discussed in detail.
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Affiliation(s)
- Vida Mashayekhi
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, 3584 CH Utrecht, the Netherlands
| | - Orsola Mocellin
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, 3584 CH Utrecht, the Netherlands
| | - Marcel H.A.M. Fens
- Pharmaceutics, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, the Netherlands
| | - Gerard C. Krijger
- Department of Radiology and Nuclear Medicine, University Medical Center Utrecht, Faculty of Medicine, Utrecht University, 3584 CX Utrecht, the Netherlands
| | - Lodewijk A.A. Brosens
- Department of Pathology, University Medical Center Utrecht, Faculty of Medicine, Utrecht University, 3584 CX Utrecht, the Netherlands
| | - Sabrina Oliveira
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, 3584 CH Utrecht, the Netherlands
- Pharmaceutics, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, the Netherlands
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6
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Musser ML, Johannes CM. Toceranib phosphate (Palladia) for the treatment of canine exocrine pancreatic adenocarcinoma. BMC Vet Res 2021; 17:269. [PMID: 34380474 PMCID: PMC8356392 DOI: 10.1186/s12917-021-02978-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 07/20/2021] [Indexed: 01/22/2023] Open
Abstract
Background Canine pancreatic carcinoma is a rare, aggressive tumour that is often diagnosed late in the course of disease. Effective treatment strategies have been elusive, and overall survival time is short. In humans, treatment with tyrosine kinase inhibitors alone, or in combination with IV gemcitabine, have been moderately effective. As canine and human pancreatic carcinomas share many clinical aspects, strategies that mimic human treatment regimens may confer a better outcome in canine patients. The aim of this study was to assess the role of the veterinary tyrosine kinase inhibitor, toceranib phosphate, in the treatment of cytologically or histologically confirmed canine pancreatic carcinomas. Results Retrospectively, medical records of dogs with confirmed pancreatic carcinoma treated with toceranib were reviewed. Eight dogs were identified that fit the inclusion criteria. Toceranib was well-tolerated by all patients. Six were treated in the gross disease setting. Four had image-based evaluation of clinical benefit (complete response, partial response, or stable disease of > 10 weeks). Of those patients, 1 achieved a partial response, 2 stable disease, and 1 had progressive disease, for an overall clinical benefit rate of 75 %. An additional dog had clinically stable disease that was not confirmed via imaging. The toceranib-specific median overall survival time was 89.5 days (range: 14–506 days). Conclusions Although limited in patient number, this small study suggests that toceranib may have biologic activity in dogs with pancreatic carcinoma. Larger, prospective studies are needed to confirm these preliminary results and define the use of toceranib in the microscopic disease setting.
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Affiliation(s)
- Margaret L Musser
- College of Veterinary Medicine, Iowa State University, 1809 S. Riverside Dr, Ames, Ames, IA, 50011, USA.
| | - Chad M Johannes
- College of Veterinary Medicine, Iowa State University, 1809 S. Riverside Dr, Ames, Ames, IA, 50011, USA
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Guerrero PE, Miró L, Wong BS, Massaguer A, Martínez-Bosch N, de Llorens R, Navarro P, Konstantopoulos K, Llop E, Peracaula R. Knockdown of α2,3-Sialyltransferases Impairs Pancreatic Cancer Cell Migration, Invasion and E-selectin-Dependent Adhesion. Int J Mol Sci 2020; 21:ijms21176239. [PMID: 32872308 PMCID: PMC7503936 DOI: 10.3390/ijms21176239] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 08/26/2020] [Accepted: 08/26/2020] [Indexed: 12/12/2022] Open
Abstract
Aberrant sialylation is frequently found in pancreatic ductal adenocarcinoma (PDA). α2,3-Sialyltransferases (α2,3-STs) ST3GAL3 and ST3GAL4 are overexpressed in PDA tissues and are responsible for increased biosynthesis of sialyl-Lewis (sLe) antigens, which play an important role in metastasis. This study addresses the effect of α2,3-STs knockdown on the migratory and invasive phenotype of PDA cells, and on E-selectin-dependent adhesion. Characterization of the cell sialome, the α2,3-STs and fucosyltransferases involved in the biosynthesis of sLe antigens, using a panel of human PDA cells showed differences in the levels of sialylated determinants and α2,3-STs expression, reflecting their phenotypic heterogeneity. Knockdown of ST3GAL3 and ST3GAL4 in BxPC-3 and Capan-1 cells, which expressed moderate to high levels of sLe antigens and α2,3-STs, led to a significant reduction in sLex and in most cases in sLea, with slight increases in the α2,6-sialic acid content. Moreover, ST3GAL3 and ST3GAL4 downregulation resulted in a significant decrease in cell migration and invasion. Binding and rolling to E-selectin, which represent key steps in metastasis, were also markedly impaired in the α2,3-STs knockdown cells. Our results indicate that inhibition of ST3GAL3 and ST3GAL4 may be a novel strategy to block PDA metastasis, which is one of the reasons for its dismal prognosis.
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Affiliation(s)
- Pedro Enrique Guerrero
- Department of Biology, Biochemistry and Molecular Biology Unit, University of Girona, 17003 Girona, Spain; (P.E.G.); (L.M.); (A.M.); (R.d.L.)
| | - Laura Miró
- Department of Biology, Biochemistry and Molecular Biology Unit, University of Girona, 17003 Girona, Spain; (P.E.G.); (L.M.); (A.M.); (R.d.L.)
| | - Bin S. Wong
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA; (B.S.W.); (K.K.)
| | - Anna Massaguer
- Department of Biology, Biochemistry and Molecular Biology Unit, University of Girona, 17003 Girona, Spain; (P.E.G.); (L.M.); (A.M.); (R.d.L.)
| | - Neus Martínez-Bosch
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain; (N.M.-B.); (P.N.)
| | - Rafael de Llorens
- Department of Biology, Biochemistry and Molecular Biology Unit, University of Girona, 17003 Girona, Spain; (P.E.G.); (L.M.); (A.M.); (R.d.L.)
| | - Pilar Navarro
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM), Unidad Asociada IIBB-CSIC, 08003 Barcelona, Spain; (N.M.-B.); (P.N.)
- Institute of Biomedical Research of Barcelona (IIBB)-CSIC, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
| | - Konstantinos Konstantopoulos
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA; (B.S.W.); (K.K.)
| | - Esther Llop
- Department of Biology, Biochemistry and Molecular Biology Unit, University of Girona, 17003 Girona, Spain; (P.E.G.); (L.M.); (A.M.); (R.d.L.)
- Correspondence: (E.L.); (R.P.); Tel.: +972-418370 (R.P.); Fax: +972-41-82-41 (R.P.)
| | - Rosa Peracaula
- Department of Biology, Biochemistry and Molecular Biology Unit, University of Girona, 17003 Girona, Spain; (P.E.G.); (L.M.); (A.M.); (R.d.L.)
- Correspondence: (E.L.); (R.P.); Tel.: +972-418370 (R.P.); Fax: +972-41-82-41 (R.P.)
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Pausch TM, Aue E, Wirsik NM, Freire Valls A, Shen Y, Radhakrishnan P, Hackert T, Schneider M, Schmidt T. Metastasis-associated fibroblasts promote angiogenesis in metastasized pancreatic cancer via the CXCL8 and the CCL2 axes. Sci Rep 2020; 10:5420. [PMID: 32214219 PMCID: PMC7096431 DOI: 10.1038/s41598-020-62416-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 03/13/2020] [Indexed: 12/11/2022] Open
Abstract
The characteristic desmoplastic stroma of pancreatic ductal adenocarcinoma (PDAC) is a key contributor to its lethality. This stromal microenvironment is populated by cancer-associated fibroblasts (CAFs) that interact with cancer cells to drive progression and chemo-resistance. Research has focused on CAFs in the primary tumour but not in metastases, calling into question the role of analogous metastasis-associated fibroblasts (MAFs). We infer a role of MAFs in murine hepatic metastases following untargeted treatment with the anti-angiogenic drug sunitinib in vivo. Treated metastases were smaller and had fewer stromal cells, but were able to maintain angiogenesis and metastasis formation in the liver. Furthermore, sunitinib was ineffective at reducing MAFs alongside other stromal cells. We speculate that cancer cells interact with MAFs to maintain angiogenesis and tumour progression. Thus, we tested interactions between metastatic pancreatic cancer cells and fibroblasts using in vitro co-culture systems. Co-cultures enhanced fibroblast proliferation and induced angiogenesis. We identify carcinoma-educated fibroblasts as the source of angiogenesis via secretions of CXCL8 (aka IL-8) and CCL2 (aka MCP-1). Overall, we demonstrate that metastasis-associated fibroblasts have potential as a therapeutic target and highlight the CXCL8 and CCL2 axes for further investigation.
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Affiliation(s)
- Thomas M Pausch
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Elisa Aue
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Naita M Wirsik
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Aida Freire Valls
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Ying Shen
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Praveen Radhakrishnan
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Thilo Hackert
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Martin Schneider
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Thomas Schmidt
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
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Conway JRW, Herrmann D, Evans TRJ, Morton JP, Timpson P. Combating pancreatic cancer with PI3K pathway inhibitors in the era of personalised medicine. Gut 2019; 68:742-758. [PMID: 30396902 PMCID: PMC6580874 DOI: 10.1136/gutjnl-2018-316822] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 10/02/2018] [Accepted: 10/04/2018] [Indexed: 12/16/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is among the most deadly solid tumours. This is due to a generally late-stage diagnosis of a primarily treatment-refractory disease. Several large-scale sequencing and mass spectrometry approaches have identified key drivers of this disease and in doing so highlighted the vast heterogeneity of lower frequency mutations that make clinical trials of targeted agents in unselected patients increasingly futile. There is a clear need for improved biomarkers to guide effective targeted therapies, with biomarker-driven clinical trials for personalised medicine becoming increasingly common in several cancers. Interestingly, many of the aberrant signalling pathways in PDAC rely on downstream signal transduction through the mitogen-activated protein kinase and phosphoinositide 3-kinase (PI3K) pathways, which has led to the development of several approaches to target these key regulators, primarily as combination therapies. The following review discusses the trend of PDAC therapy towards molecular subtyping for biomarker-driven personalised therapies, highlighting the key pathways under investigation and their relationship to the PI3K pathway.
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Affiliation(s)
- James RW Conway
- Garvan Institute of Medical Research & The Kinghorn Cancer Centre, Cancer Division, Sydney, New South Wales, Australia
| | - David Herrmann
- Garvan Institute of Medical Research & The Kinghorn Cancer Centre, Cancer Division, Sydney, New South Wales, Australia
- St Vincent’s Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - TR Jeffry Evans
- Cancer Department, Cancer Research UK Beatson Institute, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Jennifer P Morton
- Cancer Department, Cancer Research UK Beatson Institute, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Paul Timpson
- Garvan Institute of Medical Research & The Kinghorn Cancer Centre, Cancer Division, Sydney, New South Wales, Australia
- St Vincent’s Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
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Targeting galectin-1 inhibits pancreatic cancer progression by modulating tumor-stroma crosstalk. Proc Natl Acad Sci U S A 2018; 115:E3769-E3778. [PMID: 29615514 DOI: 10.1073/pnas.1722434115] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDA) remains one of the most lethal tumor types, with extremely low survival rates due to late diagnosis and resistance to standard therapies. A more comprehensive understanding of the complexity of PDA pathobiology, and especially of the role of the tumor microenvironment in disease progression, should pave the way for therapies to improve patient response rates. In this study, we identify galectin-1 (Gal1), a glycan-binding protein that is highly overexpressed in PDA stroma, as a major driver of pancreatic cancer progression. Genetic deletion of Gal1 in a Kras-driven mouse model of PDA (Ela-KrasG12Vp53-/- ) results in a significant increase in survival through mechanisms involving decreased stroma activation, attenuated vascularization, and enhanced T cell infiltration leading to diminished metastasis rates. In a human setting, human pancreatic stellate cells (HPSCs) promote cancer proliferation, migration, and invasion via Gal1-driven pathways. Moreover, in vivo orthotopic coinjection of pancreatic tumor cells with Gal1-depleted HPSCs leads to impaired tumor formation and metastasis in mice. Gene-expression analyses of pancreatic tumor cells exposed to Gal1 reveal modulation of multiple regulatory pathways involved in tumor progression. Thus, Gal1 hierarchically regulates different events implicated in PDA biology including tumor cell proliferation, invasion, angiogenesis, inflammation, and metastasis, highlighting the broad therapeutic potential of Gal1-specific inhibitors, either alone or in combination with other therapeutic modalities.
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Pei YF, Yin XM, Liu XQ. TOP2A induces malignant character of pancreatic cancer through activating β-catenin signaling pathway. Biochim Biophys Acta Mol Basis Dis 2018; 1864:197-207. [DOI: 10.1016/j.bbadis.2017.10.019] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 10/07/2017] [Accepted: 10/13/2017] [Indexed: 12/20/2022]
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