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KUDO A, SAWAHATA H, YOSHIMOTO S, YAMAUCHI A, OSHITA R, KANAI E, TAKAGI S. Evaluation of the influence of the C-X-C motif chemokine ligand 12 / C-X-C chemokine receptor 4 axis on canine mammary gland tumor cell migration. J Vet Med Sci 2023; 85:837-843. [PMID: 37302847 PMCID: PMC10466059 DOI: 10.1292/jvms.23-0126] [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: 03/23/2023] [Accepted: 05/27/2023] [Indexed: 06/13/2023] Open
Abstract
C-X-C motif chemokine ligand 12 (CXCL12) is one of the chemokines that binds to C-X-C chemokine receptor 4 (CXCR4) on tumor cell membranes and induces chemotaxis and/or migration. Mammary gland tumors (MGT) are the most common neoplasms in intact female dogs, with local invasion and distant metastasis regarded as problems. However, the influence of the CXCL12/CXCR4 axis on canine MGT cell migration has not been elucidated. This study aimed to evaluate the expression of CXCL12 and CXCR4 in canine MGT cells and tissues and investigate the influence of CXCL12 protein on the migratory ability of MGT cells. CXCL12 expression was evaluated in 10 canine malignant MGT tissues. CXCL12 expression in tumor cells was identified in all examined tissues; however, the staining pattern and intensity differed between the tumors. Immunocytochemistry revealed three canine MGT cell lines as CXCR4-positive. Migratory ability was evaluated using a wound healing assay, and the migration of CXCR4-positive MGT cells was significantly activated by the addition of CXCL12 protein. This influence was canceled by pre-treatment with a CXCR4 antagonist. The results of our study suggest that the CXCL12/CXCR4 axis may be associated with the migration of canine MGT.
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Affiliation(s)
- Ayano KUDO
- Laboratory of Small Animal Surgery, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
| | - Hiroki SAWAHATA
- Laboratory of Small Animal Surgery, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
| | - Sho YOSHIMOTO
- Laboratory of Small Animal Surgery, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
- Department of Clinical Sciences and Advanced Medicine,
School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Akinori YAMAUCHI
- Laboratory of Small Animal Surgery, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
| | - Ryo OSHITA
- Laboratory of Small Animal Surgery, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
| | - Eiichi KANAI
- Laboratory of Small Animal Surgery, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
- Azabu University Veterinary Teaching Hospital, School of
Veterinary Medicine, Azabu University, Kanagawa, Japan
| | - Satoshi TAKAGI
- Laboratory of Small Animal Surgery, School of Veterinary
Medicine, Azabu University, Kanagawa, Japan
- Azabu University Veterinary Teaching Hospital, School of
Veterinary Medicine, Azabu University, Kanagawa, Japan
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Pimentel PAB, Giuliano A, Bęczkowski PM, Horta RDS. Molecular Profile of Canine Hemangiosarcoma and Potential Novel Therapeutic Targets. Vet Sci 2023; 10:387. [PMID: 37368773 DOI: 10.3390/vetsci10060387] [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: 05/14/2023] [Revised: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
Canine hemangiosarcoma (HSA) is a relatively common neoplasia, occurring mainly in the skin, spleen, liver and right atrium. Despite the numerous studies investigating the treatment of canine HSA, no significant improvement in survival has been achieved in the last 20 years. Advancements in genetic and molecular profiling presented molecular similarities between canine HSA and human angiosarcoma. It could therefore serve as a valuable model for investigating new and more effective treatments in people and dogs. The most common genetic abnormalities in canine HSA have been found in the phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha (PIK3CA) and neuroblastoma RAS viral oncogene homolog (NRAS) pathways. Mutations are also found in tumor protein p53 (TP53), phosphatase and tensin homolog (PTEN) and cyclin dependent kinase inhibitor 2A (CDKN2A). Known abnormal protein expression could be exploited to trial new target treatments that could be beneficial for both canine and human patients. Despite the high expression of vascular endothelial growth factor (VEGF) and its receptor (VEGFR), no correlation with overall survival time has ever been found. In this review, we explore the most recent developments in molecular profiling in canine HSA and discuss their possible applications in the prognosis and treatment of this fatal disease.
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Affiliation(s)
| | - Antonio Giuliano
- Department of Veterinary Clinical Science, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Hong Kong, China
- Veterinary Medical Centre, City University of Hong Kong, Hong Kong, China
| | - Paweł Marek Bęczkowski
- Department of Veterinary Clinical Science, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Hong Kong, China
| | - Rodrigo Dos Santos Horta
- Department of Veterinary Clinic and Surgery, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
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Integrated analysis of 14 lymphoma datasets revealed high expression of CXCL14 promotes cell migration in mantle cell lymphoma. Aging (Albany NY) 2022; 14:3446-3463. [PMID: 35452413 PMCID: PMC9085238 DOI: 10.18632/aging.204022] [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: 09/29/2021] [Accepted: 03/08/2022] [Indexed: 11/25/2022]
Abstract
Lymphoma is accompanied by the impairment of multiple immune functions. Cytokines play an important role in a variety of immune-related functions and affect the tumor microenvironment. However, the exact regulatory mechanisms between them remain unclear. This study aimed to explore the cytokines expression and function in Hodgkin's lymphoma (HL), diffuse large B-cell lymphoma (DLBCL), and mantle cell lymphoma (MCL). We performed a transcriptome integration analysis of 14 lymphoma datasets including 240 Hodgkin's lymphoma, 891 diffuse large B-cell lymphoma, 216 mantle cell lymphoma, and 64 health samples. The results showed that multiple immune functions and signal pathway damage were shared by all three types of lymphoma, and these functions were related to cytokines. Furthermore, through co-expression network and functional interaction network analysis, we identified CXCL14 as a key regulator and it affects cell chemotaxis and migration functions. The functional experiment showed that CXCL14 knockdown inhibited cell migration in MCL cell lines. This study suggested that high expression of CXCL14 may aggravate MCL via promoting cell migration. Our findings provide novel insights into the biology of this disease and would be helpful for the pathogenesis study and drug discovery of lymphomas.
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Maeda M, Ochiai K, Michishita M, Morimatsu M, Sakai H, Kinoshita N, Sakaue M, Onozawa E, Azakami D, Yamamoto M, Ishioka K, Sadahira T, Watanabe M, Tanaka Y. In vitro anticancer effects of alpelisib against PIK3CA‑mutated canine hemangiosarcoma cell lines. Oncol Rep 2022; 47:84. [PMID: 35234262 PMCID: PMC8908334 DOI: 10.3892/or.2022.8295] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 02/09/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Marika Maeda
- Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo 180‑8602, Japan
| | - Kazuhiko Ochiai
- Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo 180‑8602, Japan
| | - Masaki Michishita
- Research Center for Animal Life Science, Nippon Veterinary and Life Science University, Tokyo 180‑8602, Japan
| | - Masami Morimatsu
- Laboratory of Laboratory Animal Science and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido 060‑0818, Japan
| | - Hiroki Sakai
- Laboratory of Veterinary Pathology, Gifu University, Gifu 501‑1193, Japan
| | - Nayuta Kinoshita
- Laboratory of Laboratory Animal Science and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido 060‑0818, Japan
| | - Motoharu Sakaue
- Laboratory of Anatomy II, Department of Veterinary Medicine, Azabu University, Sagamihara-shi, Kanagawa 252‑5201, Japan
| | - Eri Onozawa
- School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo 180‑8602, Japan
| | - Daigo Azakami
- Laboratory of Clinical Oncology, Tokyo University of Agriculture and Technology, Tokyo 183‑8538, Japan
| | - Masami Yamamoto
- Division of Physiological Pathology, Nippon Veterinary and Life Science University, Tokyo 180‑8602, Japan
| | - Katsumi Ishioka
- School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo 180‑8602, Japan
| | - Takuya Sadahira
- Department of Urology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700‑0914, Japan
| | - Masami Watanabe
- Department of Urology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700‑0914, Japan
| | - Yoshikazu Tanaka
- Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo 180‑8602, Japan
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Bule P, Aguiar SI, Aires-Da-Silva F, Dias JNR. Chemokine-Directed Tumor Microenvironment Modulation in Cancer Immunotherapy. Int J Mol Sci 2021; 22:9804. [PMID: 34575965 PMCID: PMC8464715 DOI: 10.3390/ijms22189804] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/07/2021] [Accepted: 09/07/2021] [Indexed: 12/11/2022] Open
Abstract
Chemokines are a large family of small chemotactic cytokines that coordinates immune cell trafficking. In cancer, they have a pivotal role in the migration pattern of immune cells into the tumor, thereby shaping the tumor microenvironment immune profile, often towards a pro-tumorigenic state. Furthermore, chemokines can directly target non-immune cells in the tumor microenvironment, including cancer, stromal and vascular endothelial cells. As such, chemokines participate in several cancer development processes such as angiogenesis, metastasis, cancer cell proliferation, stemness and invasiveness, and are therefore key determinants of disease progression, with a strong influence in patient prognosis and response to therapy. Due to their multifaceted role in the tumor immune response and tumor biology, the chemokine network has emerged as a potential immunotherapy target. Under the present review, we provide a general overview of chemokine effects on several tumoral processes, as well as a description of the currently available chemokine-directed therapies, highlighting their potential both as monotherapy or in combination with standard chemotherapy or other immunotherapies. Finally, we discuss the most critical challenges and prospects of developing targeted chemokines as therapeutic options.
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Affiliation(s)
| | | | | | - Joana Nunes Ribeiro Dias
- Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal; (P.B.); (S.I.A.); (F.A.-D.-S.)
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Cheng N, Schulte AJ, Santosa F, Kim JH. Machine learning application identifies novel gene signatures from transcriptomic data of spontaneous canine hemangiosarcoma. Brief Bioinform 2020; 22:5930848. [PMID: 33078825 DOI: 10.1093/bib/bbaa252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 09/02/2020] [Accepted: 09/08/2020] [Indexed: 01/20/2023] Open
Abstract
Angiosarcomas are soft-tissue sarcomas that form malignant vascular tissues. Angiosarcomas are very rare, and due to their aggressive behavior and high metastatic propensity, they have poor clinical outcomes. Hemangiosarcomas commonly occur in domestic dogs, and share pathological and clinical features with human angiosarcomas. Typical pathognomonic features of this tumor are irregular vascular channels that are filled with blood and are lined by a mixture of malignant and nonmalignant endothelial cells. The current gold standard is the histological diagnosis of angiosarcoma; however, microscopic evaluation may be complicated, particularly when tumor cells are undetectable due to the presence of excessive amounts of nontumor cells or when tissue specimens have insufficient tumor content. In this study, we implemented machine learning applications from next-generation transcriptomic data of canine hemangiosarcoma tumor samples (n = 76) and nonmalignant tissues (n = 10) to evaluate their training performance for diagnostic utility. The 10-fold cross-validation test and multiple feature selection methods were applied. We found that extra trees and random forest learning models were the best classifiers for hemangiosarcoma in our testing datasets. We also identified novel gene signatures using the mutual information and Monte Carlo feature selection method. The extra trees model revealed high classification accuracy for hemangiosarcoma in validation sets. We demonstrate that high-throughput sequencing data of canine hemangiosarcoma are trainable for machine learning applications. Furthermore, our approach enables us to identify novel gene signatures as reliable determinants of hemangiosarcoma, providing significant insights into the development of potential applications for this vascular malignancy.
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Affiliation(s)
- Nuojin Cheng
- School of Mathematics, College of Science and Engineering at the University of Minnesota, Minneapolis, MN, USA
| | - Ashley J Schulte
- Animal Cancer Care and Research Program, Department of Veterinary Clinical Sciences, College of Veterinary Medicine at the University of Minnesota, St Paul, MN, USA
| | - Fadil Santosa
- Department of Applied Mathematics & Statistics, Whiting School of Engineering at the Johns Hopkins University, Baltimore, MD, USA
| | - Jong Hyuk Kim
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine at the University of Minnesota, St Paul, MN, USA
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Lee BI, LaRue SM, Seguin B, Griffin L, Prebble A, Martin T, Leary D, Boss MK. Safety and efficacy of stereotactic body radiation therapy (SBRT) for the treatment of canine thyroid carcinoma. Vet Comp Oncol 2020; 18:843-853. [PMID: 32515526 DOI: 10.1111/vco.12625] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/01/2020] [Accepted: 06/02/2020] [Indexed: 01/12/2023]
Abstract
Thyroid carcinoma develops spontaneously in dogs, with only 25% to 50% of cases amenable to surgery at diagnosis. Local control for unresectable tumours can be provided with external beam radiotherapy. The aim of this retrospective study is to describe the safety and efficacy of stereotactic body radiation therapy (SBRT) for treatment of canine thyroid carcinoma. Twenty-three dogs met inclusion criteria; median tumour volume before SBRT was 129.9 cm3 (range, 2.7-452.8 cm3 ). Sixteen patients (70%) had unresectable tumours. Pulmonary metastasis was present or suspected in 10 patients (44%) before SBRT. Patients were prescribed 15 to 40 Gy to targeted tumour volume in one to five fractions. Twenty patients evaluated had overall response rate of 70% (complete response, n = 4; partial response, n = 10). Thirteen out of sixteen (81%) symptomatic patients had clinical improvement within a median time of 16 days (range, 2-79 days). Median progression free survival (MPFS) was 315 days. Median survival time (MST) was 362 days. Nine patients (39%) had grade 1 acute radiation toxicity. Three patients had grade 1 late radiation toxicity (two leukotrichia and one [4%] with intermittent cough). Responders had significantly longer MPFS (362 vs 90 days; HR 4.3; 95% CI 1.4-13.5; P = .013) and MST (455 vs 90 days; HR 2.9; 95% CI 1-8.4; P = .053). Presenting with metastasis was not a significant negative prognostic factor (MST 347 vs 348 days without metastasis; P = .352). SBRT is a safe and effective treatment modality for non-resectable canine thyroid carcinoma.
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Affiliation(s)
- Ber-In Lee
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Susan M LaRue
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Bernard Seguin
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Lynn Griffin
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Amber Prebble
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Tiffany Martin
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Del Leary
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Mary-Keara Boss
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
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Ariyarathna H, Thomson N, Aberdein D, Munday JS. Chemokine gene expression influences metastasis and survival time of female dogs with mammary carcinoma. Vet Immunol Immunopathol 2020; 227:110075. [PMID: 32590239 DOI: 10.1016/j.vetimm.2020.110075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 04/25/2020] [Accepted: 05/15/2020] [Indexed: 01/02/2023]
Abstract
Chemokines are signaling proteins secreted by immune cells which regulate leukocyte trafficking. The aberrant expression of chemokines and their receptors by neoplastic cells influences the behaviour of many human cancers. This study evaluated gene-expression of the chemokines: CCL5, CXCL10, CXCL12 and the chemokine receptors: CXCR3, CXCR4, CXCR7, CCR4, CCR9 in 41 histologically-malignant, outcome-known, canine mammary tumours. These chemokines and chemokine receptors were selected as all were previously shown to influence the behaviour of human breast cancers. The expression of chemokines CCL5 and CXCL12 were significantly higher in tumours which subsequently metastasised than tumours that did not metastasise (p < 0.05). Increased expression of these chemokines was also correlated with shorter survival times of the dogs (CCL5: rs = -0.40, p = 0.02, CXCL12: rs = -0.40, p = 0.03) while CCL5 was independently prognostic of survival times (p = 0.026). A significantly higher proportion of tumours that subsequently metastasised expressed CXCR3 (p = 0.037), CXCR4 (p = 0.026), CXCR7 (p = 0.025) and CCR9 (p = 0.039) receptors while the survival times of the dogs with tumours that expressed CXCR4 (p = 0.045) and CCR9 (p = 0.039) receptors were significantly shorter than dogs with tumours that did not express these receptors. Chemokine and chemokine receptor gene-expression has not been previously correlated with disease outcome of canine mammary tumours. These findings indicate that altered expression of chemokines and their receptors influences the behaviour of canine mammary tumours suggesting a potential role of them as prognostic markers or therapeutic targets.
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Affiliation(s)
- Harsha Ariyarathna
- School of Veterinary Science, Massey University, Palmerston North, 4442, New Zealand.
| | - Neroli Thomson
- School of Veterinary Science, Massey University, Palmerston North, 4442, New Zealand
| | - Danielle Aberdein
- School of Veterinary Science, Massey University, Palmerston North, 4442, New Zealand
| | - John S Munday
- School of Veterinary Science, Massey University, Palmerston North, 4442, New Zealand
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Cancer Conditioned Medium Modulates Functional and Phenotypic Properties of Human Decidua Parietalis Mesenchymal Stem/Stromal Cells. Tissue Eng Regen Med 2019; 16:615-630. [PMID: 31824824 DOI: 10.1007/s13770-019-00207-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 06/17/2019] [Accepted: 07/16/2019] [Indexed: 12/12/2022] Open
Abstract
Background Mesenchymal Stem/Stromal Cells (MSCs) from the decidua parietalis (DPMSCs) of human term placenta express several molecules with important biological and immunological properties. DPMSCs induce natural killer cell expression of inflammatory receptors and their cytotoxic activity against cancer cells. These properties make DPMSCs promising therapeutical agent for cancer. The successful development of MSCs as an anti-cancer therapeutic cells rely on their ability to function in a hostile inflammatory and oxidative stress cancer environment. Here, we studied the effects of conditioned medium obtained from the culture of breast cancer cells (CMMDA-231) on the functional and phenotypic properties of DPMSCs. Methods DPMSCs were cultured with CMMDA-231 and important functions of DPMSCs were measured. The effect of CMMDA-231 on DPMSC expression of several genes with different functions was also evaluated. Results DPMSCs were able to function in response to CMMDA-231, but with reduced proliferative and adhesive potentials. Preconditioning of DPMSCs with CMMDA-231 enhanced their adhesion while reducing their invasion. In addition, CMMDA-231 modulated DPMSC expression of many genes with various functional (i.e., proliferation, adhesion, and invasion) properties. DPMSCs also showed increased expression of genes with anti-cancer property. Conclusion These data show the ability of DPMSCs to survive and function in cancer environment. In addition, preconditioning of DPMSCs with CMMDA-231 enhanced their anti-cancer properties and thus demonstrating their potential as an anti-cancer therapeutic agent. However, future studies are essential to reveal the mechanism underlying the effects of MDA-231 on DPMSC functional activities and also to confirm the anti-cancer therapeutic potential of DPMSCs.
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Corrigendum. Vet Comp Oncol 2018; 16:416. [PMID: 30134039 DOI: 10.1111/vco.12431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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KLF10 loss in the pancreas provokes activation of SDF-1 and induces distant metastases of pancreatic ductal adenocarcinoma in the Kras G12D p53 flox/flox model. Oncogene 2017; 36:5532-5543. [PMID: 28581520 DOI: 10.1038/onc.2017.155] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 02/15/2017] [Accepted: 03/23/2017] [Indexed: 12/12/2022]
Abstract
Krüppel-like transcription factor 10 (KLF10), also named as TIEG1, plays essential roles in mediating transforming growth factor beta (TGFβ) signaling and has been shown to function as a tumor suppressor in multiple cancer types. However, its roles in mediating cancer progression in vivo have yet to be fully characterized. Here, we have employed two well-characterized Pdx-1CreLSL-KrasG12D and Pdx-1CreLSL-KrasG12Dp53L/L pancreatic cancer models to ablate KLF10 expression and determine the impact of KLF10 deletion on tumor development and progression. We show that loss of KLF10 cooperates with KrasG12D leading to an invasive and widely metastatic phenotype of pancreatic ductal adenocarcinoma (PDAC). Mechanistically, loss of KLF10 in PDAC is shown to increase distant metastases and cancer stemness through activation of SDF-1/CXCR4 and AP-1 pathways. Furthermore, we demonstrate that targeting the SDF-1/CXCR4 pathway in the context of KLF10 deletion substantially suppresses PDAC progression suggesting that inhibition of this pathway represents a novel therapeutic strategy for PDAC treatment.
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Byrum ML, Pondenis HC, Fredrickson RL, Wycislo KL, Fan TM. Downregulation of CXCR4 Expression and Functionality After Zoledronate Exposure in Canine Osteosarcoma. J Vet Intern Med 2016; 30:1187-96. [PMID: 27251585 PMCID: PMC5089657 DOI: 10.1111/jvim.14257] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 02/29/2016] [Accepted: 05/09/2016] [Indexed: 11/29/2022] Open
Abstract
Background The establishment and progression of metastases remains the life‐limiting factor for dogs diagnosed with osteosarcoma (OS). The pattern of metastases is likely regulated through interactions between chemokine receptors and chemokines, and perturbations in these signaling cascades responsible for cytoskeletal organization and directional migration have the potential to alter metastatic cell trafficking behaviors. Hypothesis Zoledronate will impair directional migration of OS cells through downregulation of chemokine (C‐X‐C motif) receptor 4 (CXCR4) expression and functionality. Samples Nineteen archived tumor specimens and plasma from 20 dogs with OS. Methods Prospectively, the expressions of CXCR4 were studied in OS cell lines and spontaneous tumor samples. The effect of zoledronate on CXCR4 expression and functionality was investigated by characterizing responses in 3 OS cell lines. In 19 OS specimens and 20 dogs with OS, changes in CXCR4 expression and circulating CXCR4 concentrations were characterized in response to zoledronate therapy respectively. Results All canine OS cells express CXCR4, and zoledronate reduces CXCR4 expression and functionality by 27.7% (P < .0001), through augmented proteasome degradation and reduced prenylation of heterotrimeric G‐proteins in 33% of tumor cell lines evaluated. In OS‐bearing dogs, zoledronate reduces CXCR4 expressions by 40% within the primary tumor compared to untreated controls (P = .03) and also decreases the circulating concentrations of CXCR4 in 18 of 20 dogs with OS. Conclusions and clinical importance Zoledronate can alter CXCR4 expression and functionality in OS cells, and consequent perturbations in CXCR4 intracellular signaling cascades might influence patterns of metastases.
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Affiliation(s)
- M L Byrum
- Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL
| | - H C Pondenis
- Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL
| | - R L Fredrickson
- Veterinary Diagnostic Laboratory, University of Illinois, Urbana, IL
| | - K L Wycislo
- Department of Pathobiology, University of Illinois, Urbana, IL
| | - T M Fan
- Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL
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Kim JH, Graef AJ, Dickerson EB, Modiano JF. Pathobiology of Hemangiosarcoma in Dogs: Research Advances and Future Perspectives. Vet Sci 2015; 2:388-405. [PMID: 29061949 PMCID: PMC5644642 DOI: 10.3390/vetsci2040388] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 10/05/2015] [Accepted: 10/20/2015] [Indexed: 12/12/2022] Open
Abstract
Hemangiosarcoma (HSA) is an aggressive and common cancer in dogs. While cutaneous masses are often treatable by tumor excision, visceral tumors are almost always incurable. Treatment advances for this disease have been limited due to a poor understanding of the overall tumor biology. Based upon its histological appearance, HSA has been presumed to originate from transformed endothelial cells; however, accumulating data now suggest a pluripotent bone marrow progenitor as the cell of origin for this disease. More recently, the identification of a novel subclassification of HSAs has provided a foundation to further our understanding of the cellular characteristics of HSA tumor cells, along with those of the cells comprising the tumor microenvironment. These discoveries hold promise for the development of new approaches to improve treatments for canine HSA, as well as to establish the utility of this disease as a spontaneous model to understand the pathogenesis and develop new treatments for vascular tumors of humans. In this review, we will provide a brief historical perspective and pathobiology of canine HSA, along with a focus on the recent advances in the molecular and cellular understanding of these tumors. In addition, future directions that should continue to improve our understanding of HSA pathogenesis will be discussed.
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Affiliation(s)
- Jong-Hyuk Kim
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA.
- Animal Cancer Care and Research Program, University of Minnesota, St. Paul, MN 55108, USA.
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Ashley J Graef
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA.
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Erin B Dickerson
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA.
- Animal Cancer Care and Research Program, University of Minnesota, St. Paul, MN 55108, USA.
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Jaime F Modiano
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA.
- Animal Cancer Care and Research Program, University of Minnesota, St. Paul, MN 55108, USA.
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA.
- Stem Cell Institute, University of Minnesota, Minneapolis, MN 55455, USA.
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA.
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Dickerson EB, Bryan BA. Beta Adrenergic Signaling: A Targetable Regulator of Angiosarcoma and Hemangiosarcoma. Vet Sci 2015; 2:270-292. [PMID: 29061946 PMCID: PMC5644640 DOI: 10.3390/vetsci2030270] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Revised: 09/05/2015] [Accepted: 09/08/2015] [Indexed: 01/07/2023] Open
Abstract
Human angiosarcomas and canine hemangiosarcomas are highly aggressive cancers thought to arise from cells of vascular origin. The pathological features, morphological organization, and clinical behavior of canine hemangiosarcomas are virtually indistinct from those of human angiosarcomas. Overall survival with current standard-of-care approaches remains dismal for both humans and dogs, and each is likely to succumb to their disease within a short duration. While angiosarcomas in humans are extremely rare, limiting their study and treatment options, canine hemangiosarcomas occur frequently. Therefore, studies of these sarcomas in dogs can be used to advance treatment approaches for both patient groups. Emerging data suggest that angiosarcomas and hemangiosarcomas utilize beta adrenergic signaling to drive their progression by regulating the tumor cell niche and fine-tuning cellular responses within the tumor microenvironment. These discoveries indicate that inhibition of beta adrenergic signaling could serve as an Achilles heel for these tumors and emphasize the need to design therapeutic strategies that target tumor cell and stromal cell constituents. In this review, we summarize recent discoveries and present new hypotheses regarding the roles of beta adrenergic signaling in angiosarcomas and hemangiosarcomas. Because the use of beta adrenergic receptor antagonists is well established in human and veterinary medicine, beta blockade could provide an immediate adjunct therapy for treatment along with a tangible opportunity to improve upon the outcomes of both humans and dogs with these diseases.
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Affiliation(s)
- Erin B Dickerson
- Department of Veterinary Clinical Sciences, University of Minnesota College of Veterinary Medicine, St. Paul, MN 55108, USA.
- Animal Cancer Care and Research Program, University of Minnesota, St. Paul, MN 55108, USA.
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Brad A Bryan
- Department of Biomedical Sciences, Texas Tech University Health Sciences Center, El Paso, TX 79912, USA.
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