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Rioja P, Rey-Cardenas M, De Velasco G. Targeting HIF-2α and anemia: A therapeutic breakthrough for clear-cell renal cell carcinoma. Cancer Treat Rev 2024; 129:102801. [PMID: 39032449 DOI: 10.1016/j.ctrv.2024.102801] [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: 05/19/2024] [Revised: 07/07/2024] [Accepted: 07/09/2024] [Indexed: 07/23/2024]
Abstract
Renal cell carcinoma (RCC) is a heterogenous disease which the incidence is increasing worldwide. The identification and understanding of the role of the Von Hipple Lindau (VHP) in regulating the hypoxia-inducible factor signaling pathway has revolutionized the treatment of this disease. Belzutifan is an oral hypoxia-inducible factor (HIF)-2α inhibitor, which has demonstrated efficacy in treating von Hippel-Lindau (VHL) disease and for the treatment of adults with RCC who experienced disease progression after PD-1/PD-L1- and VEGFR-targeted therapies. One of the most common adverse effect of this drug is anemia; however, it is treatment is not well known. This review summarizes role of the VHL-HIF pathway in ccRCC aroused the interest of targeting HIF activity, the history of belzutifan development and their relationship to anemia as well as propose a management algorithm.
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Affiliation(s)
- Patricia Rioja
- Department of Medical Oncology, National Institute of Neoplastic Diseases, Lima, Peru.
| | - M Rey-Cardenas
- Department of Medical Oncology, Gustave Roussy, Paris Saclay University, Villejuif, France
| | - Guillermo De Velasco
- Department of Medical Oncology, University Hospital 12 de Octubre, Instituto de investigación (imas12), Madrid, Spain
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Wu T, Tong Z, Ren T, Xie D, Sun X. Effect of erythropoiesis-stimulating agents on breast cancer patients: a meta-analysis. Clin Exp Med 2023; 23:1501-1513. [PMID: 36315312 DOI: 10.1007/s10238-022-00921-1] [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: 06/23/2022] [Accepted: 10/11/2022] [Indexed: 11/03/2022]
Abstract
Erythropoiesis-stimulating agents (ESAs) have been reported to increase the risk of death in cancer patients. In this study, we selected breast cancer, which is currently the most prevalent cancer worldwide, for a meta-analysis to re-examine the advantages and disadvantages of using ESAs. All relevant studies were searched by PubMed, Embase, Web of science, and Cochrane Library. Endpoints including mortality, incidence of thrombo-vascular events, hemoglobin, and transfusion requirements were meta-analyzed based on random-effects model or fixed-effect model. 10 studies were finally included, with a total sample size of 6785 patients. The risk of mortality was higher in patients using ESA than in controls (RR 1.07, 95% CI 1.01-1.13, P = 0.03); subgroup analysis found that the mortality rate was higher in patients treating with ESA for > 6 months (RR 1.27, 95% CI 1.05-1.55, P = 0.01) and epoetin α (RR 1.07, 95% CI 1.01-1.14, P = 0.03). The incidence of thrombo-vascular adverse events was higher in patients using ESA than in controls (RR 1.53, 95% CI 1.27-1.86, P < 0.0001). The ESA group was more effective in improving anemia in cancer patients (MD 1.20, 95% CI 0.77-1.63, P < 0.00001). The blood transfusion needs of patients in the ESA group were significantly lower (RR 0.52, 95%CI 0.44-0.60, P < 0.00001). There was no statistically significant difference between the two groups in disease progression-related conditions (HR 1.03, 95%CI 0.95-1.12, P = 0.52). ESAs increase the risk of mortality and the incidence of thrombo-vascular adverse events in breast cancer patients, while reducing their anemia symptoms and transfusion requirements. Registration PROSPERO CRD42022330450.
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Affiliation(s)
- Tong Wu
- Department of Pharmacy, General Hospital of Northern Theater Command, No.83, Wenhua Road, Shenyang, 110016, China
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Zhenhua Tong
- Department of Research and Training, General Hospital of Northern Theater Command, No.83, Wenhua Road, Shenyang, 110016, China
| | - Tianshu Ren
- Department of Pharmacy, General Hospital of Northern Theater Command, No.83, Wenhua Road, Shenyang, 110016, China
| | - Danni Xie
- Department of Pharmacy, General Hospital of Northern Theater Command, No.83, Wenhua Road, Shenyang, 110016, China
| | - Xue Sun
- Department of Pharmacy, General Hospital of Northern Theater Command, No.83, Wenhua Road, Shenyang, 110016, China.
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Miller D, Kerkhofs K, Abbas-Aghababazadeh F, Madahar SS, Minden MD, Hébert J, Haibe-Kains B, Bayfield MA, Benchimol S. Heterogeneity in leukemia cells that escape drug-induced senescence-like state. Cell Death Dis 2023; 14:503. [PMID: 37543610 PMCID: PMC10404232 DOI: 10.1038/s41419-023-06015-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 07/06/2023] [Accepted: 07/25/2023] [Indexed: 08/07/2023]
Abstract
Erythropoietin (EPO) suppresses drug-induced apoptosis in EPO-receptor-positive leukemia cells and allows cells to persist after drug treatment by promoting cellular senescence. Importantly a small proportion of senescent cells can re-enter the cell cycle and resume proliferation after drug treatment, resulting in disease recurrence/persistence. Using a single-cell assay to track individual cells that exit a drug-induced senescence-like state, we show that cells exhibit asynchronous exit from a senescent-like state, and display different rates of proliferation. Escaped cells retain sensitivity to drug treatment, but display inter-clonal variability. We also find heterogeneity in gene expression with some of the escaped clones retaining senescence-associated gene expression. Senescent leukemia cells exhibit changes in gene expression that affect metabolism and senescence-associated secretory phenotype (SASP)-related genes. Herein, we generate a senescence gene signature and show that this signature is a prognostic marker of worse overall survival in AML and multiple other cancers. A portion of senescent leukemia cells depend on lysosome activity; chloroquine, an inhibitor of lysosome activity, promotes senolysis of some senescent leukemia cells. Our study indicates that the serious risks associated with the use of erythropoietin-stimulating agents (ESAs) in anemic cancer patients may be attributed to their ability to promote drug-tolerant cancer cells through the senescence program.
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Affiliation(s)
- David Miller
- Department of Biology, York University, Toronto, ON, M3J 1P3, Canada.
| | - Kyra Kerkhofs
- Department of Biology, York University, Toronto, ON, M3J 1P3, Canada
| | | | | | - Mark D Minden
- Princess Margaret Cancer Centre, University Health Network and University of Toronto, Toronto, Canada
| | - Josée Hébert
- Division of Hematology-Oncology, Maisonneuve-Rosemont Hospital and Department of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Benjamin Haibe-Kains
- Princess Margaret Cancer Centre, University Health Network and University of Toronto, Toronto, Canada
- Medical Biophysics, University of Toronto, Toronto, Canada
- Vector Institute for Artificial Intelligence, Toronto, Canada
- Ontario Institute for Cancer Research, Toronto, Canada
- Department of Computer Science, University of Toronto, Toronto, Canada
- Department of Biostatistics, Dalla Lana School of Public Health, Toronto, Canada
| | - Mark A Bayfield
- Department of Biology, York University, Toronto, ON, M3J 1P3, Canada
| | - Samuel Benchimol
- Department of Biology, York University, Toronto, ON, M3J 1P3, Canada.
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Mourão TC, Bezerra SM, de Almeida E Paula F, Rocha MM, Santos VE, Brazão Junior ES, Abreu D, da Costa WH, Zequi SDC. Prognostic role of the immunohistochemical expression of proteins related to the renin-angiotensin system pathway in nonmetastatic clear cell renal cell carcinoma. Urol Oncol 2023:S1078-1439(23)00190-4. [PMID: 37286405 DOI: 10.1016/j.urolonc.2023.05.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 03/23/2023] [Accepted: 05/18/2023] [Indexed: 06/09/2023]
Abstract
INTRODUCTION Stage migration has been observed in renal cell carcinoma (RCC) in recent decades; however, mortality rates have continuously increased in some countries. Tumoral factors have been characterized as major predictors of RCC. Nonetheless, this concept can be improved by combining these tumoral factors with other variables, including biomolecular factors. PURPOSE This study aimed to assess the immunohistochemical (IHC) expression and prognostic value of renin (REN), erythropoietin (EPO), and cathepsin D (CTSD), and to evaluate whether the concomitant expression of these markers can influence the prognostic outcomes in patients without metastasis. MATERIAL AND METHODS In total, 729 patients with clear cell RCC (ccRCC) who underwent surgical treatment between 1985 and 2016 were evaluated. All the cases in the tumor bank were reviewed by dedicated uropathologists. The IHC expression patterns of the markers were assessed using a tissue microarray. REN and EPO were classified as "positive" or "negative" expression. CTSD was grouped into "absent or weak expression" or "strong expression." Associations between clinical and pathological variables and the studied markers, in addition to 10-year overall survival (OS), cancer-specific survival (CSS), and recurrence-free survival rates, were described. RESULTS REN and EPO expressions were positive in 70.6% and 86.6% of patients, respectively. Absent or weak and strong expressions of CTSD were observed in 58.2% and 41.3% of the patients, respectively. EPO expression had no impact on survival rates even when assessed concomitantly with REN. Negative REN expression was associated with advanced age, preoperative anemia, larger tumors, perirenal fat, hilum or renal sinus infiltration, microvascular invasion, necrosis, high nuclear grade, and clinical stages III to IV. In contrast, strong CTSD expression was associated with poor prognostic variables. The expression patterns of REN and CTSD were unfavorable predictors of the 10-year OS and CSS. In particular, the combination of negative REN and strong CTSD expression had a negative impact on these rates, including a higher risk of recurrence. CONCLUSION Loss of REN expression and strong CTSD expression were independent prognostic factors in nonmetastatic ccRCC, particularly when the concomitant expression pattern of both markers was present. EPO expression did not influence survival rates in this study.
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Affiliation(s)
- Thiago Camelo Mourão
- Department of Urology, Fundação Antônio Prudente, A.C. Camargo Cancer Center, São Paulo, Brazil.
| | - Stephania Martins Bezerra
- Department of Pathological Anatomy, Fundação Antônio Prudente, A.C. Camargo Cancer Center, São Paulo, Brazil
| | | | - Mauricio Murce Rocha
- Department of Urology, Fundação Antônio Prudente, A.C. Camargo Cancer Center, São Paulo, Brazil
| | | | | | | | - Walter Henriques da Costa
- Department of Urology, Fundação Antônio Prudente, A.C. Camargo Cancer Center, São Paulo, Brazil; National Institute for Science and Technology in Oncogenomics and Therapeutic Innovation, São Paulo, Brazil
| | - Stênio de Cássio Zequi
- Department of Urology, Fundação Antônio Prudente, A.C. Camargo Cancer Center, São Paulo, Brazil; National Institute for Science and Technology in Oncogenomics and Therapeutic Innovation, São Paulo, Brazil; Department of Surgery, Division of Urology, Graduate School, São Paulo Federal University, São Paulo, Brazil
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Legros L, Pascale A, Guettier C, Eftekhari P, Merabet YB, Stang M, Bossevot R, Goldschmidt E, Ulusakarya A, Morisset S, Lewin M, Samuel D, Rosmorduc O. Progressive erythrocytosis under lenvatinib treatment in patients with advanced hepatocellular carcinoma. Cancer Chemother Pharmacol 2023; 91:337-344. [PMID: 36961524 PMCID: PMC10068666 DOI: 10.1007/s00280-023-04519-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 03/03/2023] [Indexed: 03/25/2023]
Abstract
PURPOSE This manuscript reports on the occurrence of early and frequent erythrocytosis in advanced hepatocellular carcinoma (HCC) patients treated with lenvatinib. METHODS A cohort of 23 patients with advanced HCC, treated with this antiangiogenic drug for at least one month, was retrospectively analyzed. RESULTS These patients (82.7% men, median age 58.3, cirrhosis in 60.8%) were treated between October 2019 and September 2020 with lenvatinib, as first-line systemic therapy for 82.6% of them. For 20 patients (87%), an early and significant increase in hemoglobin (Hb) level, up to 1.41 g/dL (p < 0.001) was reported and remained elevated. Ten patients (43.5%), all men, reached erythrocytosis (Hb > 16.5 g/dL), 7 were treated with low-dose aspirin for primary thromboprophylaxis and 2 needed phlebotomy. None underwent thromboembolic complications. A significant Hb decrease was observed after treatment discontinuation (p < 0.05). Erythropoietin (EPO) serum levels also increased, which was attributed to HCC after immunostaining for EPO in liver biopsies. The Naranjo adverse drug reaction probability scale documented the relationship between erythrocytosis and lenvatinib and regression at treatment discontinuation. Erythrocytosis was hypothesized to be a class effect of anti-VEGF therapies, the magnitude of which might depend on the IC50 value of each molecule. CONCLUSION This report documents the frequent occurrence of erythrocytosis during lenvatinib treatment for advanced HCC, likely secondary to EPO secretion by tumor cells through the antiangiogenic activity levatinib. An early and close monitoring of hematologic parameters is, thus, recommended, together with thromboprophylaxis by low-dose aspirin and phlebotomy in case of symptomatic erythrocytosis.
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Affiliation(s)
- Laurence Legros
- Department of Clinical Hematology, Hôpital Bicêtre, AP-HP, 78 Rue du Général Leclerc 94270, Le Kremlin-Bicêtre, France.
- INSERM UMRS-MD-1197, Université Paris-Saclay, Villejuif, France.
- France Intergroupe Syndromes Myéloprolifératifs (FIM), Paris, France.
| | - Alina Pascale
- Hepato-Biliary Department, Hôpital Paul Brousse, AP-HP, 12-14 Avenue Paul Vaillant Couturier, 94800, Villejuif, France
| | - Catherine Guettier
- Hepato-Biliary Department, Hôpital Paul Brousse, AP-HP, 12-14 Avenue Paul Vaillant Couturier, 94800, Villejuif, France
- Anatomic Pathology Department, Hôpital Bicêtre, AP-HP, Le Kremlin-Bicêtre, France
- INSERM U1193, Université Paris-Saclay, Villejuif, France
| | - Pirayeh Eftekhari
- Department of Clinical Hematology, Hôpital Bicêtre, AP-HP, 78 Rue du Général Leclerc 94270, Le Kremlin-Bicêtre, France
| | - Yasmina Ben Merabet
- Hepato-Biliary Department, Hôpital Paul Brousse, AP-HP, 12-14 Avenue Paul Vaillant Couturier, 94800, Villejuif, France
| | - Maryse Stang
- Medical Oncology Department, Hôpital Paul Brousse, AP-HP, Villejuif, France
| | - Rachel Bossevot
- Medical Oncology Department, Hôpital Paul Brousse, AP-HP, Villejuif, France
| | - Emma Goldschmidt
- Medical Oncology Department, Hôpital Paul Brousse, AP-HP, Villejuif, France
| | - Ayhan Ulusakarya
- Medical Oncology Department, Hôpital Paul Brousse, AP-HP, Villejuif, France
| | | | - Maïté Lewin
- Radiology Department, Hôpital Paul Brousse, AP-HP, Villejuif, France
| | - Didier Samuel
- Hepato-Biliary Department, Hôpital Paul Brousse, AP-HP, 12-14 Avenue Paul Vaillant Couturier, 94800, Villejuif, France
- INSERM U1193, Université Paris-Saclay, Villejuif, France
| | - Olivier Rosmorduc
- Hepato-Biliary Department, Hôpital Paul Brousse, AP-HP, 12-14 Avenue Paul Vaillant Couturier, 94800, Villejuif, France.
- INSERM U1193, Université Paris-Saclay, Villejuif, France.
- Sorbonne Université, Paris, France.
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Lin TY, Lai YF, Chen YH, Lu DW. The Latest Evidence of Erythropoietin in the Treatment of Glaucoma. Int J Mol Sci 2022; 23:ijms232416038. [PMID: 36555679 PMCID: PMC9784015 DOI: 10.3390/ijms232416038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/06/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Erythropoietin (EPO) is a circulating hormone conventionally considered to be responsible for erythropoiesis. In addition to facilitating red blood cell production, EPO has pluripotent potential, such as for cognition improvement, neurogenesis, and anti-fibrotic, anti-apoptotic, anti-oxidative, and anti-inflammatory effects. In human retinal tissues, EPO receptors (EPORs) are expressed in the photoreceptor cells, retinal pigment epithelium, and retinal ganglion cell layer. Studies have suggested its potential therapeutic effects in many neurodegenerative diseases, including glaucoma. In this review, we discuss the correlation between glaucoma and EPO, physiology and potential neuroprotective function of the EPO/EPOR system, and latest evidence for the treatment of glaucoma with EPO.
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Affiliation(s)
| | | | | | - Da-Wen Lu
- Correspondence: ; Tel.: +886-2-87927163
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The Intratumor Bacterial and Fungal Microbiome Is Characterized by HPV, Smoking, and Alcohol Consumption in Head and Neck Squamous Cell Carcinoma. Int J Mol Sci 2022; 23:ijms232113250. [PMID: 36362038 PMCID: PMC9655846 DOI: 10.3390/ijms232113250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/02/2022] [Accepted: 10/23/2022] [Indexed: 11/06/2022] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) tumor phenotypes and clinical outcomes are significantly influenced by etiological agents, such as HPV infection, smoking, and alcohol consumption. Accordingly, the intratumor microbiome has been increasingly implicated in cancer progression and metastasis. However, few studies characterize the intratumor microbial landscape of HNSCC with respect to these etiological agents. In this study, we aimed to investigate the bacterial and fungal landscape of HNSCC in association with HPV infection, smoking, and alcohol consumption. RNA-sequencing data were extracted from The Cancer Genome Atlas (TCGA) regarding 449 tissue samples and 44 normal samples. Pathoscope 2.0 was used to extract the microbial reads. Microbe abundance was compared to clinical variables, oncogenic signatures, and immune-associated pathways. Our results demonstrated that a similar number of dysregulated microbes was overabundant in smokers and nonsmokers, while heavy drinkers were characterized by an underabundance of dysregulated microbes. Conversely, the majority of dysregulated microbes were overabundant in HPV+ tumor samples when compared to HPV- tumor samples. Moreover, we observed that many dysregulated microbes were associated with oncogenic and metastatic pathways, suggesting their roles in influencing carcinogenesis. These microbes provide insights regarding potential mechanisms for tumor pathogenesis and progression with respect to the three etiological agents.
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Mankoč Ramuš S, Pungeršek G, Petrovič MG, Petrovič D. The GG genotype of erythropoietin rs1617640 polymorphism affects the risk of proliferative diabetic retinopathy in Slovenian subjects with type 2 diabetes mellitus: enemy or ally? Acta Ophthalmol 2021; 99:e1382-e1389. [PMID: 33599115 DOI: 10.1111/aos.14813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 01/31/2021] [Accepted: 02/02/2021] [Indexed: 12/13/2022]
Abstract
PURPOSE The aim of this study was to investigate the relationship between erythropoietin rs1617640 polymorphism and proliferative diabetic retinopathy (PDR) in Slovenian subjects with type 2 diabetes mellitus. The second aim was to find whether erythropoietin expression in fibrovascular membranes varies among individuals carrying different genotypes of the rs1617640. METHODS This was a retrospective cross-sectional study based on 797 unrelated Slovenian (Caucasian) participants with type 2 diabetes mellitus. The study group consisted of 217 cases with PDR and 580 controls without clinical signs of diabetic retinopathy. Each subject was genotyped for rs1617640 polymorphism. Fibrovascular membranes from 27 subjects who underwent vitreoretinal surgery were analysed with immunohistochemistry. We searched for expression of erythropoietin, its cognate receptor and for a pan-endothelial marker CD-34. RESULTS Our results show that subjects carrying a minor GG genotype had significantly higher risk for PDR in both unadjusted (p = 0.02) and adjusted (p = 0.04) recessive genetic models. Subjects with the GG genotype had a 1.6-fold increased risk of developing PDR compared to subjects carrying the major T allele. In fibrovascular membranes from subjects with PDR, the mean number of cells expressing EPO was significantly higher in G allele carriers compared to the homozygotes for the common T allele. CONCLUSION In Slovenian subjects with type 2 diabetes mellitus, a significant increased risk of PDR was found in GG carriers of the erythropoietin gene rs1617640 polymorphism.
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Affiliation(s)
- Sara Mankoč Ramuš
- International Center for Cardiovascular diseases MC Medicor Izola Slovenia
| | - Gregor Pungeršek
- Institute of Histology and Embryology Faculty of Medicine University of Ljubljana Ljubljana Slovenia
| | | | - Danijel Petrovič
- Institute of Histology and Embryology Faculty of Medicine University of Ljubljana Ljubljana Slovenia
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Zheng Y, Karnoub AE. Endocrine regulation of cancer stem cell compartments in breast tumors. Mol Cell Endocrinol 2021; 535:111374. [PMID: 34242715 DOI: 10.1016/j.mce.2021.111374] [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: 12/30/2020] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 10/20/2022]
Abstract
Cancer cells within breast tumors exist within a hierarchy in which only a small and rare subset of cells is able to regenerate growths with the heterogeneity of the original tumor. These highly malignant cancer cells, which behave like stem cells for new cancers and are called "cancer stem cells" or CSCs, have also been shown to possess increased resistance to therapeutics, and represent the root cause underlying therapy failures, persistence of residual disease, and relapse. As >90% of cancer deaths are due to refractory tumors, identification of critical molecular drivers of the CSC-state would reveal vulnerabilities that can be leveraged in designing therapeutics that eradicate advanced disease and improve patient survival outcomes. An expanding and complex body of work has now described the exquisite susceptibility of CSC pools to the regulatory influences of local and systemic hormones. Indeed, breast CSCs express a plethora of hormonal receptors, which funnel hormonal influences over every aspect of breast neoplasia - be it tumor onset, growth, survival, invasion, metastasis, or therapy resistance - via directly impacting CSC behavior. This article is intended to shed light on this active area of investigation by attempting to provide a systematic and comprehensive overview of the available evidence directly linking hormones to breast CSC biology.
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Affiliation(s)
- Yurong Zheng
- Department of Pathology and Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Antoine E Karnoub
- Department of Pathology and Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA; Harvard Stem Cell Institute, Cambridge, MA, 02138, USA; Broad Institute of MIT and Harvard, Cambridge, MA, 02142, USA.
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Sahebnasagh A, Saghafi F, Azimi S, Salehifar E, Hosseinimehr SJ. Pharmacological Interventions for the Prevention and Treatment of Kidney Injury Induced by Radiotherapy: Molecular Mechanisms and Clinical Perspectives. Curr Mol Pharmacol 2021; 15:607-619. [PMID: 34429052 DOI: 10.2174/1874467214666210824123212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 05/31/2021] [Accepted: 06/15/2021] [Indexed: 11/22/2022]
Abstract
More than half of cancer patients need radiotherapy during the course of their treatment. Despite the beneficial aspects, the destructive effects of radiation beams on normal tissues lead to oxidative stress, inflammation, and cell injury. Kidneys are affected during radiotherapy of abdominal malignancies. Radiation nephropathy eventually leads to the release of factors triggering systemic inflammation. Currently, there is no proven prophylactic or therapeutic intervention for the management of radiation-induced nephropathy. This article reviews the biomarkers involved in the pathophysiology of radiation-induced nephropathy and its underlying molecular mechanisms. The efficacy of compounds with potential radio-protective properties on amelioration of inflammation and oxidative stress is also discussed. By outlining the approaches for preventing and treating this critical side effect, we evaluate the potential treatment of radiation-induced nephropathy. Available preclinical and clinical studies on these compounds are also scrutinized.
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Affiliation(s)
- Adeleh Sahebnasagh
- Clinical Research Center, Department of Internal Medicine, North Khorasan University of Medical Sciences, Bojnurd. Iran
| | - Fatemeh Saghafi
- Department of Clinical Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shahid Sadoughi University of Medical Sciences, Yazd. Iran
| | - Saeed Azimi
- Student Research Committee, Department of Clinical Pharmacy, Faculty of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran. Iran
| | - Ebrahim Salehifar
- Pharmaceutical Sciences Research Center, Hemoglobinopathy Institute, Sari. Iran
| | - Seyed Jalal Hosseinimehr
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari. Iran
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Kang Y, Zhu X, Wang X, Liao S, Jin M, Zhang L, Wu X, Zhao T, Zhang J, Lv J, Zhu D. Identification and Validation of the Prognostic Stemness Biomarkers in Bladder Cancer Bone Metastasis. Front Oncol 2021; 11:641184. [PMID: 33816287 PMCID: PMC8017322 DOI: 10.3389/fonc.2021.641184] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 01/29/2021] [Indexed: 12/22/2022] Open
Abstract
Background Bladder urothelial carcinoma (BLCA) is one of the most common urinary system malignancies with a high metastasis rate. Cancer stem cells (CSCs) play an important role in the occurrence and progression of BLCA, however, its roles in bone metastasis and the prognostic stemness biomarkers have not been identified in BLCA. Method In order to identify the roles of CSC in the tumorigenesis, bone metastasis and prognosis of BLCA, the RNA sequencing data of patients with BLCA were retrieved from The Cancer Genome Atlas (TCGA) databases. The mRNA expression-based stemness index (mRNAsi) and the differential expressed genes (DEGs) were evaluated and identified. The associations between mRNAsi and the tumorigenesis, bone metastasis, clinical stage and overall survival (OS) were also established. The key prognostic stemness-related genes (PSRGs) were screened by Lasso regression, and based on them, the predict model was constructed. Its accuracy was tested by the area under the curve (AUC) of the receiver operator characteristic (ROC) curve and the risk score. Additionally, in order to explore the key regulatory network, the relationship among differentially expressing TFs, PSRGs, and absolute quantification of 50 hallmarks of cancer were also identified by Pearson correlation analysis. To verify the identified key TFs and PSRGs, their expression levels were identified by our clinical samples via immunohistochemistry (IHC). Results A total of 8,647 DEGs were identified between 411 primary BLCAs and 19 normal solid tissue samples. According to the clinical stage, mRNAsi and bone metastasis of BLCA, 2,383 stage-related DEGs, 3,680 stemness-related DEGs and 716 bone metastasis-associated DEGs were uncovered, respectively. Additionally, compared with normal tissue, mRNAsi was significantly upregulated in the primary BLCA and also associated with the prognosis (P = 0.016), bone metastasis (P < 0.001) and AJCC clinical stage (P < 0.001) of BLCA patients. A total of 20 PSRGs were further screened by Lasso regression, and based on them, we constructed the predict model with a relatively high accuracy (AUC: 0.699). Moreover, we found two key TFs (EPO, ARID3A), four key PRSGs (CACNA1E, LINC01356, CGA and SSX3) and five key hallmarks of cancer gene sets (DNA repair, myc targets, E2F targets, mTORC1 signaling and unfolded protein response) in the regulatory network. The tissue microarray of BLCA and BLCA bone metastasis also revealed high expression of the key TFs (EPO, ARID3A) and PRSGs (SSX3) in BLCA. Conclusion Our study identifies mRNAsi as a reliable index in predicting the tumorigenesis, bone metastasis and prognosis of patients with BLCA and provides a well-applied model for predicting the OS for patients with BLCA based on 20 PSRGs. Besides, we also identified the regulatory network between key PSRGs and cancer gene sets in mediating the BLCA bone metastasis.
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Affiliation(s)
- Yao Kang
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Xiaojun Zhu
- Department of Musculoskeletal Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, China.,State Key Laboratory of Oncology in South China, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Xijun Wang
- State Key Laboratory of Oncology in South China, Guangzhou, China.,Collaborative Innovation Center for Cancer Medicine, Guangzhou, China.,Department of Head and Neck Surgery, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Shiyao Liao
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Mengran Jin
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Li Zhang
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Xiangyang Wu
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Tingxiao Zhao
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Jun Zhang
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Jun Lv
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
| | - Danjie Zhu
- Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Orthopedics, Hangzhou Medical College People's Hospital, Hangzhou, China
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12
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Erythropoietin Stimulates GABAergic Maturation in the Mouse Hippocampus. eNeuro 2021; 8:ENEURO.0006-21.2021. [PMID: 33495244 PMCID: PMC7890522 DOI: 10.1523/eneuro.0006-21.2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 01/09/2021] [Indexed: 12/15/2022] Open
Abstract
Several neurodevelopmental disabilities are strongly associated with alterations in GABAergic transmission, and therapies to stimulate its normal development are lacking. Erythropoietin (EPO) is clinically used in neonatology to mitigate acute brain injury, and to stimulate neuronal maturation. Yet it remains unclear whether EPO can stimulate maturation of the GABAergic system. Here, with the use of a transgenic mouse line that constitutively overexpresses neuronal EPO (Tg21), we show that EPO stimulates postnatal GABAergic maturation in the hippocampus. We show an increase in hippocampal GABA-immunoreactive neurons, and postnatal elevation of interneurons expressing parvalbumin (PV), somatostatin (SST), and neuropeptide Y (NPY). Analysis of perineuronal net (PNN) formation and innervation of glutamatergic terminals onto PV+ cells, shows to be enhanced early in postnatal development. Additionally, an increase in GABAAergic synapse density and IPSCs in CA1 pyramidal cells from Tg21 mice is observed. Detection of EPO receptor (EPOR) mRNA was observed to be restricted to glutamatergic pyramidal cells and increased in Tg21 mice at postnatal day (P)7, along with reduced apoptosis. Our findings show that EPO can stimulate postnatal GABAergic maturation in the hippocampus, by increasing neuronal survival, modulating critical plasticity periods, and increasing synaptic transmission. Our data supports EPO’s clinical use to balance GABAergic dysfunction.
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Cao F, Tian X, Li Z, Lv Y, Han J, Zhuang R, Cheng B, Gong Y, Ying B, Jin S, Gao Y. Suppression of NLRP3 Inflammasome by Erythropoietin via the EPOR/JAK2/STAT3 Pathway Contributes to Attenuation of Acute Lung Injury in Mice. Front Pharmacol 2020; 11:306. [PMID: 32265704 PMCID: PMC7096553 DOI: 10.3389/fphar.2020.00306] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 02/28/2020] [Indexed: 11/13/2022] Open
Abstract
Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are common and devastating clinical disorders with high mortality and no specific therapy. An excessive inflammatory response results in the progression of ALI/ARDS, and the NLRP3 inflammasome is a key participant in inflammation. Erythropoietin (EPO), which is clinically used for anemia, reportedly exerts pleiotropic effects in ALI. However, whether EPO could protect against lipopolysaccharide (LPS)-induced ALI by regulating the NLRP3 inflammasome and its underlying mechanisms remain poorly elucidated. This study aimed to explore whether the therapeutic effects of EPO rely on the suppression of the NLRP3 inflammasome and the specific mechanisms in an LPS-induced ALI mouse model. ALI was induced in C57BL/6 mice by intraperitoneal (i.p.) injection of LPS (15 mg/kg). EPO was administered intraperitoneally at 5 U/g after LPS challenge. The mice were sacrificed 8 h later. Our findings indicated that application of EPO markedly diminished LPS-induced lung injury by restoring histopathological changes, lessened lung wet/dry (W/D) ratio, protein concentrations in bronchoalveolar lavage fluid (BALF) and myeloperoxidase (MPO) levels. Meanwhile, EPO evidently decreased interleukin-1β (IL-1β) and interleukin-18 (IL-18) secretion, the expression of NLRP3 inflammasome components including pro-IL-1β, NLRP3, and cleaved caspase-1 as well as phosphorylation of nuclear factor-κB (NF-κB) p65, which may be associated with activation of EPO receptor (EPOR), phosphorylation of Janus-tyrosine kinase 2 (JAK2) and signal transducer and activator of transcription 3 (STAT3). However, all the beneficial effects of EPO on ALI and modulation NLRP3 inflammasome were remarkably abrogated by the inhibition of EPOR/JAK2/STAT3 pathway and knockout (KO) of NLRP3 gene. Taken together, this study indicates that EPO can effectively attenuate LPS-induced lung injury in mice by suppressing the NLRP3 inflammasome, which is dependent upon activation of EPOR/JAK2/STAT3 signaling and inhibition of the NF-κB pathway.
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Affiliation(s)
- Fei Cao
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Xinyi Tian
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Zhongwang Li
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Ya Lv
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Jun Han
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Rong Zhuang
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Bihuan Cheng
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Yuqiang Gong
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Binyu Ying
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Shengwei Jin
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Ye Gao
- Department of Anesthesia, Pain and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
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14
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Lazzari G, Silvano G. From Anemia to Erythropoietin Resistance in Head and Neck Squamous Cell Carcinoma Treatment: A Carousel Driven by Hypoxia. Onco Targets Ther 2020; 13:841-851. [PMID: 32099388 PMCID: PMC6996291 DOI: 10.2147/ott.s242263] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 01/16/2020] [Indexed: 01/05/2023] Open
Abstract
Anemia has been identified as a significant negative prognosticator in head and neck squamous cell carcinoma (HNSCC) concurrent chemoradiotherapy (CCRT). Irrespective of the causes, anemia in HNSCC is believed to contribute to intratumoral hypoxia, which reduces the effectiveness of radiotherapy and oxygen-dependent chemotherapy. Correction of anemia with recombinant human erythropoietin (rHu-EPO) has been performed as a surrogate for hypoxia compensation to improve tumor control and survival outcomes. However, the results of the most important EPO clinical trials have been disappointing. Following the recent finding that EPO and its receptor (EPOR) are both expressed in HNSCC specimens, a new hypothesis has been advanced. This postulates that hypoxic signaling might activate EPOR through the hypoxia-inducible factor (HIF) signaling pathway and its downstream effectors, including carbonic anhydrase 9 (CA-9), glucose transporter 1 (GLUT-1), and vascular endothelial growth factor (VEGF), leading to the failure of rHu-EPO treatment, as assessed from the results of the best-known EPO trials. This review addresses the relationship among anemia, hypoxia, and tumoral EPO/EPOR expression in HNSCC treatment in an attempt to elucidate the main mechanisms involved in the resistance to rHu-EPO therapy, as in a carousel.
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Affiliation(s)
- Grazia Lazzari
- Radiation Oncology Unit, Saint Giuseppe Moscati Hospital, Taranto 74100, Italy
| | - Giovanni Silvano
- Radiation Oncology Unit, Saint Giuseppe Moscati Hospital, Taranto 74100, Italy
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15
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Torregrossa F, Aguennouz M, La Torre D, Sfacteria A, Grasso G. Role of Erythropoietin in Cerebral Glioma: An Innovative Target in Neuro-Oncology. World Neurosurg 2020; 131:346-355. [PMID: 31658577 DOI: 10.1016/j.wneu.2019.06.221] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 02/09/2023]
Abstract
BACKGROUND Erythropoietin (EPO) is a cytokine primarily involved in the regulation of erythropoiesis. In response to hypoxia-ischemia, hypoxia-inducible factor 1 induces EPO production, which, in turn, inhibits apoptosis of erythroid progenitor cells. By the same mechanism and acting through other signaling pathways, EPO exerts neuroprotective effects. Increased resistance to hypoxia and decreased apoptosis are thought to be important mechanisms for tumor progression, including malignant glioma. Because recent studies have demonstrated that EPO and its receptor (EPOR) are expressed in several tumors and can promote tumor growth, in the present study, we investigated EPO and EPOR expression in human glioma and the effect of EPO administration in a rat model of glioma implantation. METHODS Using Western blotting and immunohistochemical analysis, we examined the expression of EPO, EPOR, platelet endothelial cell adhesion molecule, and Ki-67 in human glioma specimens and experimentally induced glioma in rats. In the experimental setting, a daily dose of recombinant human EPO (rHuEPO) or saline solution were administered for 21 days in Fischer rats subjected to 9L cell line implantation. RESULTS In both human and animal specimens, we found an increase in EPOR expression as long as the lesion presented with an increasing malignant pattern. A significant direct correlation was found between the expression of EPOR and Ki-67 and EPOR and platelet endothelial cell adhesion molecule in low- and high-grade gliomas. The rats treated with rHuEPO presented with significantly larger tumor spread compared with the saline-treated rats. CONCLUSIONS The results of our study have shown that the EPO/EPOR complex might play a significant role in the aggressive behavior of high-grade gliomas. The larger tumor spread in rHuEPO-treated rats suggests a feasible role for EPO in the aggressiveness and progression of malignant glioma.
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Affiliation(s)
- Fabio Torregrossa
- Neurosurgical Unit, Department of Biomedicine, Neurosciences, and Advanced Diagnostics, University of Palermo, Palermo, Italy.
| | - M'hammed Aguennouz
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Domenico La Torre
- Neurosurgical Unit, Department of Medical and Surgical Science, Magna Graecia University, Catanzaro, Italy
| | | | - Giovanni Grasso
- Neurosurgical Unit, Department of Biomedicine, Neurosciences, and Advanced Diagnostics, University of Palermo, Palermo, Italy
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16
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Davidović S, Babić N, Jovanović S, Barišić S, Grković D, Miljković A. Serum erythropoietin concentration and its correlation with stage of diabetic retinopathy. BMC Ophthalmol 2019; 19:227. [PMID: 31727007 PMCID: PMC6857223 DOI: 10.1186/s12886-019-1240-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 11/06/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Erythropoietin (EPO) is one of the systemic angiogenic factors, and its role in ocular angiogenesis and in diabetic retinopathy (DR) is not yet fully understood. The latest research data reveal a possible correlation of higher erythropoietin concentrations in the blood and in the eye with the development of more advanced stages of DR. The main aim of this work was to examine the possible influence of serum concentrations of erythropoietin on the development of diabetic retinopathy in patients with diabetes mellitus type 2. METHODS The research involved 90 patients examined at the University Eye Clinic of the Clinical Center of Vojvodina, Novi Sad, Serbia. The first group comprised 60 patients with diabetes mellitus lasting for 10 years or more, with diabetic retinopathy. The second, control group consisted of 30 healthy individuals. In the first group of 60 patients with diabetes, 30 of them had non-proliferative diabetic retinopathy (NPDR), and 30 had proliferative diabetic retinopathy (PDR). Laboratory EPO serum levels were determined, and they were correlated to the stage of DR. Concentration of EPO was assessed by ELISA method. RESULTS The highest average concentration of EPO in serum (9.95 mIU/ml) was determined in the group of people with diabetes with PDR. The lowest average concentration of EPO in the serum (6.90 mIU/ml) was found in the control group. The average concentration of EPO in serum in the group of patients with diabetes with NPDR was 7.00 mIU/ml. The EPO concentration in serum was elevated in the group of PDR, and it was directly proportional to the level of the clinical stadium of PDR, being significantly higher in the moderate and severe subgroup of PDR comparing to the control healthy subjects, NPDR and mild PDR (p = 0.007). CONCLUSIONS Significantly elevated serum concentration of EPO in the advanced stages of DR, and positive correlation between EPO serum concentration and clinical stages of PDR, suggest that erythropoietin represents an important growth factor from blood, which plays a significant role in retinal ischemia and angiogenesis in diabetic retinopathy, especially in the proliferative stage of this disease.
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Affiliation(s)
- Sofija Davidović
- Faculty of Medicine, Department of Ophthalmology, University of Novi Sad, Novi Sad, 21000, Serbia.
- Eye Clinic, Clinical Center of Vojvodina, Hajduk Veljkova 1-9, Novi Sad, 21000, Serbia.
| | - Nikola Babić
- Faculty of Medicine, Department of Ophthalmology, University of Novi Sad, Novi Sad, 21000, Serbia
- Eye Clinic, Clinical Center of Vojvodina, Hajduk Veljkova 1-9, Novi Sad, 21000, Serbia
| | - Sandra Jovanović
- Faculty of Medicine, Department of Ophthalmology, University of Novi Sad, Novi Sad, 21000, Serbia
- Eye Clinic, Clinical Center of Vojvodina, Hajduk Veljkova 1-9, Novi Sad, 21000, Serbia
| | - Sava Barišić
- Eye Clinic, Clinical Center of Vojvodina, Hajduk Veljkova 1-9, Novi Sad, 21000, Serbia
| | - Desanka Grković
- Faculty of Medicine, Department of Ophthalmology, University of Novi Sad, Novi Sad, 21000, Serbia
- Eye Clinic, Clinical Center of Vojvodina, Hajduk Veljkova 1-9, Novi Sad, 21000, Serbia
| | - Aleksandar Miljković
- Faculty of Medicine, Department of Ophthalmology, University of Novi Sad, Novi Sad, 21000, Serbia
- Eye Clinic, Clinical Center of Vojvodina, Hajduk Veljkova 1-9, Novi Sad, 21000, Serbia
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17
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Zhu M, Wang L, Yang J, Xie K, Zhu M, Liu S, Xu C, Wang J, Gu L, Ni Z, Xu G, Che M. Erythropoietin Ameliorates Lung Injury by Accelerating Pulmonary Endothelium Cell Proliferation via Janus Kinase-Signal Transducer and Activator of Transcription 3 Pathway After Kidney Ischemia and Reperfusion Injury. Transplant Proc 2019; 51:972-978. [PMID: 30979490 DOI: 10.1016/j.transproceed.2019.01.059] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 11/19/2018] [Accepted: 01/17/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND/AIMS Kidney ischemia and reperfusion injury could cause microvascular barrier dysfunction, lung inflammatory cascades activation, and programmed cell death of pulmonary endothelium, leading to acute lung injury. Our study aimed at determining whether erythropoietin (EPO) can ameliorate lung dysfunction following renal ischemia and reperfusion (IR) injury and explored the underlying mechanisms. METHODS In vivo, C57BL/6 mice received EPO (6000 U/kg) before right renal vascular pedicles clamping for 30 minutes, followed by 24 hours of reperfusion. The lung histopathologic changes and inflammatory cytokines expression were assessed. In vitro, cultured human umbilical vein endothelial cells were treated with EPO, and apoptosis rate, proliferation capacity, and phosphorylation status of the Janus kinase-signal transducer and activator of transcription 3 (Jak-STAT3) pathway were measured respectively in the presence or absence of lipopolysaccharide stimulation. RESULTS In vivo, EPO remarkably attenuated pulmonary interstitial and alveolar epithelial edema caused by renal IR injury. In vitro, the proliferation capacity of human umbilical vein endothelial cells was significantly increased under EPO stimulation, which correlated with changes in Jak-STAT3 signaling. CONCLUSION Our data indicated that EPO is able to ameliorate acute lung tissue damage induced by renal IR, and at least in part, via the Jak-STAT3 pathway.
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Affiliation(s)
- M Zhu
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - L Wang
- Department of Emergency, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - J Yang
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - K Xie
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - M Zhu
- Department of Nephrology, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - S Liu
- Department of Nephrology, South Campus, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - C Xu
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - J Wang
- Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - L Gu
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Z Ni
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - G Xu
- Department of Cardiovascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - M Che
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
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18
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Topkan E, Yildirim BA. Epoetin receptor status may alter the outcomes in head and neck cancers treated with radiotherapy and darbepoetin-α. Radiother Oncol 2018; 130:190. [PMID: 30414758 DOI: 10.1016/j.radonc.2018.07.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 07/10/2018] [Indexed: 10/27/2022]
Affiliation(s)
- Erkan Topkan
- Baskent University Adana Medical Faculty, Department of Radiation Oncology, Adana, Turkey
| | - Berna Akkus Yildirim
- Baskent University Adana Medical Faculty, Department of Radiation Oncology, Adana, Turkey.
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19
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Busti F, Marchi G, Ugolini S, Castagna A, Girelli D. Anemia and Iron Deficiency in Cancer Patients: Role of Iron Replacement Therapy. Pharmaceuticals (Basel) 2018; 11:E94. [PMID: 30274354 PMCID: PMC6315653 DOI: 10.3390/ph11040094] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 09/27/2018] [Accepted: 09/28/2018] [Indexed: 12/21/2022] Open
Abstract
Anemia in cancer patients is quite common, with remarkable negative impacts on quality of life and overall prognosis. The pathogenesis is complex and typically multifactorial, with iron deficiency (ID) often being a major and potentially treatable contributor. In turn, ID in cancer patients can be due to multiple concurring mechanisms, including bleeding (e.g., in gastrointestinal cancers or after surgery), malnutrition, medications, and hepcidin-driven iron sequestration into macrophages with subsequent iron-restricted erythropoiesis. Indeed, either absolute or functional iron deficiency (AID or FID) can occur. While for absolute ID there is a general consensus regarding the laboratory definition (that is ferritin levels <100 ng/mL ± transferrin saturation (TSAT) <20%), a shared definition of functional ID is still lacking. Current therapeutic options in cancer anemia include iron replacement, erythropoietic stimulating agents (ESAs), and blood transfusions. The latter should be kept to a minimum, because of concerns regarding risks, costs, and limited resources. Iron therapy has proved to be a valid approach to enhance efficacy of ESAs and to reduce transfusion need. Available guidelines focus mainly on patients with chemotherapy-associated anemia, and generally suggest intravenous (IV) iron when AID or FID is present. However, in the case of FID, the upper limit of ferritin in association with TSAT <20% at which iron should be prescribed is a matter of controversy, ranging up to 800 ng/mL. An increasingly recognized indication to IV iron in cancer patients is represented by preoperative anemia in elective oncologic surgery. In this setting, the primary goal of treatment is to decrease the need of blood transfusions in the perioperative period, rather than improving anemia-related symptoms as in chemotherapy-associated anemia. Protocols are mainly based on experiences of Patient Blood Management (PBM) in non-oncologic surgery, but no specific guidelines are available for oncologic surgery. Here we discuss some possible approaches to the management of ID in cancer patients in different clinical settings, based on current guidelines and recommendations, emphasizing the need for further research in the field.
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Affiliation(s)
- Fabiana Busti
- Department of Medicine, Section of Internal Medicine, University of Verona, and EuroBloodNet Referral Center for Iron Disorders, Azienda Ospedaliera Universitaria Integrata Verona, Policlinico G.B. Rossi, 37134 Verona, Italy.
| | - Giacomo Marchi
- Department of Medicine, Section of Internal Medicine, University of Verona, and EuroBloodNet Referral Center for Iron Disorders, Azienda Ospedaliera Universitaria Integrata Verona, Policlinico G.B. Rossi, 37134 Verona, Italy.
| | - Sara Ugolini
- Department of Medicine, Section of Internal Medicine, University of Verona, and EuroBloodNet Referral Center for Iron Disorders, Azienda Ospedaliera Universitaria Integrata Verona, Policlinico G.B. Rossi, 37134 Verona, Italy.
| | - Annalisa Castagna
- Department of Medicine, Section of Internal Medicine, University of Verona, and EuroBloodNet Referral Center for Iron Disorders, Azienda Ospedaliera Universitaria Integrata Verona, Policlinico G.B. Rossi, 37134 Verona, Italy.
| | - Domenico Girelli
- Department of Medicine, Section of Internal Medicine, University of Verona, and EuroBloodNet Referral Center for Iron Disorders, Azienda Ospedaliera Universitaria Integrata Verona, Policlinico G.B. Rossi, 37134 Verona, Italy.
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20
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Peptide Derivatives of Erythropoietin in the Treatment of Neuroinflammation and Neurodegeneration. THERAPEUTIC PROTEINS AND PEPTIDES 2018; 112:309-357. [DOI: 10.1016/bs.apcsb.2018.01.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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21
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Ferreira DB, da Costa WH, Clavijo DA, Decia R, Cunha IW, Schultz L, Rocha RM, Guimarães GC, Zequi SDC. Tissue Expression of Erythropoietin Predicts Survival Rates in Clear Cell Renal Cell Carcinoma. KIDNEY CANCER 2017; 1:143-149. [PMID: 30334016 PMCID: PMC6179108 DOI: 10.3233/kca-170013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objective To evaluate immunohistochemical erythropoietin (EPO) expression in clear cell renal cell carcinoma (ccRCC), its association with major clinicopathological variables and its prognostic impact. Methods A total of 220 patients with renal cell carcinoma (RCC) surgically treated between 1989 and 2009 were evaluated in this multi-institutional study. All the cases were reviewed by a single pathologist and the immunohistochemical reactivity to EPO was analysed using tissue microarray. Results A total of 176 patients with ccRCC were considered, with an average of 48 months of follow-up. Of the tumours evaluated, 47 (26.7%) were negative for EPO expression, and 129 (73.3%) were positive. EPO expression was associated with incidental tumour (p = 0.016), tumour size (p = 0.015), Karnofsky Performance Score (KPS) (p = 0.016), blood transfusion (p = 0.009) and adrenal involvement (p = 0.038). The median ages of the patients with positive and negative EPO expression were 56.2 years and 66.6 years. Immunohistochemical EPO expression affected overall survival (OS) and disease-specific survival (DSS) rates. The DSS rates of the patients whose tissue was positive and negative for EPO expression were 85.3% and 76.1%, respectively (p = 0.044). In a multivariate analysis, the absence of EPO expression proved to be a bad prognostic factor and negatively affected the OS (p < 0.001) and DSS (p < 0.001) rates. Conclusion The absence of tumour EPO expression is an independent predictive factor with a negative effect on survival rates. The use of EPO as possible marker in the management of ccRCC patients requires further studies and a better understanding of the role of EPO in tumour biology.
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Affiliation(s)
| | | | | | - Ricardo Decia
- Department of Urology, Pasteur Hospital, Montevideo, Uruguay
| | - Isabela Werneck Cunha
- National Institute for Science and Technology in Oncogenomics and Therapeutic Innovation.,Department of Anatomic Pathology, AC Camargo Cancer Center, São Paulo, Brazil
| | - Luciana Schultz
- Department of Anatomic Pathology, AC Camargo Cancer Center, São Paulo, Brazil
| | | | - Gustavo Cardoso Guimarães
- Chairman of Urology Division, Department of Pelvic Surgery, AC Camargo Cancer Center, São Paulo, Brazil
| | - Stênio de Cássio Zequi
- Urology Division, Department of Pelvic Surgery, AC Camargo Cancer Center, São Paulo, Brazil.,National Institute for Science and Technology in Oncogenomics and Therapeutic Innovation
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22
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Zhuang X, Zhao D, Yang P, Jia Y, Liang R, Zhao Q, Han C, Kinsella JM, Sheng R, Li J. 99m Tc-labeled rHuEpo for imaging of the erythropoietin receptor in tumors. J Labelled Comp Radiopharm 2017; 61:77-83. [PMID: 29140573 DOI: 10.1002/jlcr.3586] [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: 08/21/2017] [Revised: 11/03/2017] [Accepted: 11/03/2017] [Indexed: 11/10/2022]
Abstract
To analyze erythropoietin receptor (EpoR) status in tumors, recombinant human erythropoietin (rHuEpo) was labeled with 99m Tc by 99m Tc-centered 1-pot synthesis, resulting in high radiochemical purity, stability, and biological activity. Both in vitro cell culture experiments and biodistribution studies of normal rats demonstrated successful EpoR targeting. The biodistribution of labeled rHuEpo in a NCI-H1975 xenograft model showed tumor accumulation (tumor-to-muscle ratio, 4.27 ± 1.77), confirming the expression of active EpoR in tumors. Thus, as a novel single positron emission computerized tomography tracer for the imaging of EpoR expression in vivo, 99m Tc-rHuEpo is effective for exploring the role of EpoR in cancer growth, metastasis and angiogenesis.
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Affiliation(s)
- Xiaoqing Zhuang
- General Hospital of Ningxia Medical University, Yinchuan, China
| | - Dan Zhao
- General Hospital of Ningxia Medical University, Yinchuan, China
| | - Pengfei Yang
- General Hospital of Ningxia Medical University, Yinchuan, China
| | - Yingqin Jia
- General Hospital of Ningxia Medical University, Yinchuan, China
| | - Rui Liang
- General Hospital of Ningxia Medical University, Yinchuan, China
| | - Qian Zhao
- General Hospital of Ningxia Medical University, Yinchuan, China
| | - Chunlei Han
- Turku PET Centre, Turku University Hospital and University of Turku, Turku, Finland
| | | | - Ruilong Sheng
- CAS Key Laboratory for Organic Functional Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China.,CQM-Centrode Quimica da Madeira, Universidade da Madeira, Funchal, Madeira, Portugal
| | - Juan Li
- General Hospital of Ningxia Medical University, Yinchuan, China
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Beh CY, How CW, Foo JB, Foong JN, Selvarajah GT, Rasedee A. Development of erythropoietin receptor-targeted drug delivery system against breast cancer using tamoxifen-loaded nanostructured lipid carriers. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 11:771-782. [PMID: 28352153 PMCID: PMC5358988 DOI: 10.2147/dddt.s123939] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Tamoxifen (TAM) has been used in the treatment of breast cancers and is supplemented with erythropoietin (EPO) to alleviate the cancer-related anemia. The purported deleterious effects caused by the use of EPO with chemotherapeutic agents in the treatment of cancer-related anemia vary across studies and remain controversial. The use of nanoparticles as a drug delivery system has the potential to improve the specificity of anticancer drugs. In this study, we simultaneously incorporated two pharmacological active ingredients in one nanocarrier to develop EPO-conjugated TAM-loaded lipid nanoparticles (EPO-TAMNLC), a targeted delivery system, to enhance the cytotoxic activity while reducing the side effects of the ingredients. The effect of temperature in modulating the thermodynamic parameters associated with the binding of EPO and TAMNLC was assessed using isothermal titration calorimetry, while the unfolding of EPO structure was determined using fluorescence-quenching approach. The association efficiency of EPO and TAMNLC was 55.43%. Unlike binding of albumin to TAMNLC, the binding of EPO to TAMNLC occurred through endothermic and entropy-driven reaction. The EPO-TAMNLC formulation was stable because of the hydrophobic interaction and the high free energy, suggesting the spontaneity of the interactions between EPO and TAMNLC. The EPO-TAMNLC enhanced the in vitro cytotoxicity of TAM to MCF-7 cells. The EPO surface-functionalized TAMNLC could sequentially deliver EPO and TAM as well as improving site-specific delivery of these therapeutic compounds.
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Affiliation(s)
- Chaw Yee Beh
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, Serdang
| | - Chee Wun How
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, Serdang; Faculty of Pharmacy, MAHSA University, Jenjarom
| | | | - Jia Ning Foong
- Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia
| | | | - Abdullah Rasedee
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, Serdang; Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia
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Guo W, Zheng Y, Xu B, Ma F, Li C, Zhang X, Wang Y, Chang X. Investigating the expression, effect and tumorigenic pathway of PADI2 in tumors. Onco Targets Ther 2017; 10:1475-1485. [PMID: 28331341 PMCID: PMC5352236 DOI: 10.2147/ott.s92389] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Peptidylarginine deiminase (PAD) catalyzes the conversion of arginine residues to citrulline residues, termed citrullination. Recent studies have suggested that PAD isoform 2 (PADI2) plays an important role in tumors, although its tumorigenic effect and mechanism are largely unknown. Materials and methods Immunohistochemistry and enzyme-linked immunosorbent assay (ELISA) were used to investigate the expression level of PADI2 in various tumor tissues and patient blood samples, respectively. MNK-45 and Bel-7402 tumor cell lines originating from gastric and liver tumors, respectively, were treated with anti-PADI2 siRNA, and the subsequent cell proliferation, apoptosis and migration were observed. Polymerase chain reaction (PCR) arrays, including Cancer PathwayFinder, Oncogenes and Tumor Suppressor Genes, p53 Signaling Pathway, Signal Transduction Pathway and Tumor Metastasis PCR arrays, were used to investigate the tumorigenic pathway of PADI2 in the siRNA-treated tumor cells. This analysis was verified by real-time PCR. Results Immunohistochemistry detected significantly increased expression of PADI2 in invasive breast ductal carcinoma, cervical squamous cell carcinoma, colon adenocarcinoma, liver hepatocellular carcinoma, lung cancer, ovarian serous papillary adenocarcinoma and papillary thyroid carcinoma samples. ELISA detected a twofold increase in PADI2 expression in the blood of 48.3% of patients with liver cancer, 38% of patients with cervical carcinoma and 32% of patients with gastric carcinoma. Increased apoptosis and decreased cell proliferation and migration were observed in the anti-PADI2 siRNA-treated MNK-45 cells, and increased cell proliferation and migration and decreased apoptosis were observed in the treated Bel-7402 cells with suppressed PADI2 expression. PCR arrays and real-time PCR detected significantly decreased CXCR2 and EPO expression in the MNK-45 cells and Bel-7402 cells, respectively, with the anti-PADI2 siRNA treatments. Conclusion PADI2 expression is increased in many types of tumor tissues and patient blood samples. PADI2 may advance abnormal cell behavior in gastric cancers by mediating CXCR2, a well-known gene that stimulates cell proliferation and invasion. However, PADI2 might have deleterious effects on tumor growth and metastasis in liver tumor cells by regulating the expression of EPO, a gene with controversial functions in tumor growth. The results suggest that the effect of PADI2 on tumorigenesis is multifactorial, depending on the tumor type.
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Affiliation(s)
- Wei Guo
- Medical Research Center, Shandong Provincial Qianfoshan Hospital; Obstetrical Department, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong
| | - Yabing Zheng
- Obstetrical Department, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong
| | - Bing Xu
- Medical Research Center, Shandong Provincial Qianfoshan Hospital
| | - Fang Ma
- Medical Research Center, Shandong Provincial Qianfoshan Hospital
| | - Chang Li
- Pathology Department, Tengzhou Central People's Hospital, Tengzhou
| | - Xiaoqian Zhang
- Clinical Laboratory, PKU Care Luzhong Hospital, Zibo, Shandong, People's Republic of China
| | - Yao Wang
- Medical Research Center, Shandong Provincial Qianfoshan Hospital
| | - Xiaotian Chang
- Medical Research Center, Shandong Provincial Qianfoshan Hospital
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Endogenous erythropoietin and erythropoietin receptors in colorectal cancer; can we answer the questions? Med Hypotheses 2016; 96:16-19. [PMID: 27959268 DOI: 10.1016/j.mehy.2016.09.017] [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: 05/20/2016] [Accepted: 09/23/2016] [Indexed: 11/23/2022]
Abstract
Erythropoietin (Epo) is glycoprotein hormone which binds on erythropoietin receptors (EpoR) promoting proliferation and differentiation. Studies have shown that EpoR, apart from erythrocyte precursors, is expressed on no hematopoietic tissue and various tumor cells. Despite the progress in modern medicine, colorectal carcinoma (CRC) is still the leading cause of increased morbidity and mortality between oncology patients worldwide. Its precursors are benign villous adenomas, which in certain percentage progress to cancer. Anemia of chronic disease is common finding in CRC patients. Some of them are treated with Epo. Epo/EpoR seems to correlate with tumor progression and metastasizing. Therefore, the identification of at-risk group remains a clinical challenge. Vascular endothelial growth factor (VEGF) is a signal protein that stimulates angiogenesis and concentration of VEGF is positive correlated with tumor growth in numerous tumors. The importance of Epo in tumor pathogenesis has led to a growing interest in the potential prognostic value. By our point of view there are many open questions about role of Epo/EpoR in CRC.
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Phagocyte respiratory burst activates macrophage erythropoietin signalling to promote acute inflammation resolution. Nat Commun 2016; 7:12177. [PMID: 27397585 PMCID: PMC4942576 DOI: 10.1038/ncomms12177] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 06/08/2016] [Indexed: 12/12/2022] Open
Abstract
Inflammation resolution is an active process, the failure of which causes uncontrolled inflammation which underlies many chronic diseases. Therefore, endogenous pathways that regulate inflammation resolution are fundamental and of wide interest. Here, we demonstrate that phagocyte respiratory burst-induced hypoxia activates macrophage erythropoietin signalling to promote acute inflammation resolution. This signalling is activated following acute but not chronic inflammation. Pharmacological or genetical inhibition of the respiratory burst suppresses hypoxia and macrophage erythropoietin signalling. Macrophage-specific erythropoietin receptor-deficient mice and chronic granulomatous disease (CGD) mice, which lack the capacity for respiratory burst, display impaired inflammation resolution, and exogenous erythropoietin enhances this resolution in WT and CGD mice. Mechanistically, erythropoietin increases macrophage engulfment of apoptotic neutrophils via PPARγ, promotes macrophage removal of debris and enhances macrophage migration to draining lymph nodes. Together, our results provide evidences of an endogenous pathway that regulates inflammation resolution, with important implications for treating inflammatory conditions.
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27
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Mitrović Ajtić O, Todorović S, Diklić M, Subotički T, Beleslin-Čokić B, Jovčić G, Čokić V. Proliferation and differentiation markers of colorectal adenocarcinomaand their correlation with clinicopathological factors. Turk J Med Sci 2016; 46:1168-76. [PMID: 27513421 DOI: 10.3906/sag-1412-85] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 11/07/2015] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND/AIM The purpose of this study was to investigate proliferation and differentiation markers in colorectal adenocarcinoma and their correlation with clinicopathological factors. MATERIALS AND METHODS Samples were collected from 38 patients with colorectal adenocarcinoma and 10 healthy controls. E-cadherin, carcinoembryonic antigen (mCEA), cyclin B1, vascular endothelial growth factor (VEGF), and erythropoietin (EPO) receptor (EPOR) were examined by immunohistochemistry; VEGF and EPO were examined by real-time PCR. RESULTS The tumor samples were mostly characterized by large dimension (pT3), moderate level of differentiation (G2), negative lymph node status (N0), and no metastasis. Cyclin B1 and VEGF gene and protein expressions were significantly higher in tumor tissues than in control tissues; E-cadherin expression was significantly decreased in tumor samples and in positive correlation with mCEA. EPO was almost undetectable in tumor tissues of colorectal adenocarcinoma. Significant positive correlation was detected between tumor size and cyclin B1, tumor grade, and lymph node status. CONCLUSION Decreased expression of EPO, high levels of VEGF and cyclin B1 expression, predominant moderate tumor differentiation, absence of metastasis, and negative lymph node status may suggest low level of aggressiveness, better prognosis, and longer patient survival.
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Affiliation(s)
| | | | - Miloš Diklić
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Tijana Subotički
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Bojana Beleslin-Čokić
- Clinic of Endocrinology, Diabetes and Diseases of Metabolism, Clinical Center of Serbia, Belgrade, Serbia
| | - Gordana Jovčić
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Vladan Čokić
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia
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Menuet C, Khemiri H, de la Poëze d'Harambure T, Gestreau C. Polycythemia and high levels of erythropoietin in blood and brain blunt the hypercapnic ventilatory response in adult mice. Am J Physiol Regul Integr Comp Physiol 2016; 310:R979-91. [PMID: 26936784 DOI: 10.1152/ajpregu.00474.2015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 02/26/2016] [Indexed: 11/22/2022]
Abstract
Changes in arterial Po2, Pco2, and pH are the strongest stimuli sensed by peripheral and central chemoreceptors to adjust ventilation to the metabolic demand. Erythropoietin (Epo), the main regulator of red blood cell production, increases the hypoxic ventilatory response, an effect attributed to the presence of Epo receptors in both carotid bodies and key brainstem structures involved in integration of peripheral inputs and control of breathing. However, it is not known whether Epo also has an effect on the hypercapnic chemoreflex. In a first attempt to answer this question, we tested the hypothesis that Epo alters the ventilatory response to increased CO2 levels. Basal ventilation and hypercapnic ventilatory response (HCVR) were recorded from control mice and from two transgenic mouse lines constitutively expressing high levels of human Epo in brain only (Tg21) or in brain and plasma (Tg6), the latter leading to polycythemia. To tease apart the potential effects of polycythemia and levels of plasma Epo in the HCVR, control animals were injected with an Epo analog (Aranesp), and Tg6 mice were treated with the hemolytic agent phenylhydrazine after splenectomy. Ventilatory parameters measured by plethysmography in conscious mice were consistent with data from electrophysiological recordings in anesthetized animals and revealed a blunted HCVR in Tg6 mice. Polycythemia alone and increased levels of plasma Epo blunt the HCVR. In addition, Tg21 mice with an augmented level of cerebral Epo also had a decreased HCVR. We discuss the potential implications of these findings in several physiopathological conditions.
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The tumor promoting roles of erythropoietin/erythropoietin receptor signaling pathway in gastric cancer. Tumour Biol 2016; 37:11523-33. [DOI: 10.1007/s13277-016-5053-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Accepted: 04/01/2016] [Indexed: 12/17/2022] Open
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Leyland-Jones B, Bondarenko I, Nemsadze G, Smirnov V, Litvin I, Kokhreidze I, Abshilava L, Janjalia M, Li R, Lakshmaiah KC, Samkharadze B, Tarasova O, Mohapatra RK, Sparyk Y, Polenkov S, Vladimirov V, Xiu L, Zhu E, Kimelblatt B, Deprince K, Safonov I, Bowers P, Vercammen E. A Randomized, Open-Label, Multicenter, Phase III Study of Epoetin Alfa Versus Best Standard of Care in Anemic Patients With Metastatic Breast Cancer Receiving Standard Chemotherapy. J Clin Oncol 2016; 34:1197-207. [PMID: 26858335 DOI: 10.1200/jco.2015.63.5649] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE An open-label, noninferiority study to evaluate the impact of epoetin alfa (EPO) on tumor outcomes when used to treat anemia in patients receiving chemotherapy for metastatic breast cancer. METHODS Women with hemoglobin ≤ 11.0 g/dL, receiving first- or second-line chemotherapy for metastatic breast cancer, were randomly assigned to EPO 40,000 IU subcutaneously once a week or best standard of care. The primary end point was progression-free survival (PFS). Secondary end points included overall survival, time to tumor progression, overall response rate, RBC transfusions, and thrombotic vascular events. RESULTS In 2,098 patients randomly assigned, median PFS (based on investigator-determined disease progression [PD]) was 7.4 months in both groups (hazard ratio [HR], 1.089; 95% CI, 0.988 to 1.200); upper bound exceeded prespecified noninferiority margin of 1.15. Median PFS per independent review committee-determined PD was 7.6 months in both groups (HR, 1.028; 95% CI, 0.922 to 1.146); upper bound did not exceed prespecified noninferiority margin. Median overall survival at clinical cutoff (1,337 deaths) was 17.2 months in the EPO and 17.4 months in the best standard of care group (HR, 1.057; 95% CI, 0.949 to 1.177), median time to tumor progression was 7.5 months in both groups (HR, 1.094; 95% CI, 0.991 to 1.209), and overall response rate was 50% versus 51% (odds ratio, 0.950; 95% CI, 0.799 to 1.130). RBC transfusions were 5.8% versus 11.4% (P < .001), and thrombotic vascular events were 2.8% versus 1.4% (P = .038), respectively. CONCLUSION The primary end point, PFS based on investigator-determined PD, did not meet noninferiority criteria. As a consistency assessment with the primary finding, PFS based on independent review committee-determined PD met noninferiority criteria. Overall, this study did not achieve noninferiority objective in ruling out a 15% increased risk in PD/death. RBC transfusion should be the preferred approach for the management of anemia in this population.
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Affiliation(s)
- Brian Leyland-Jones
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ.
| | - Igor Bondarenko
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Gia Nemsadze
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Vitaliy Smirnov
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Iryna Litvin
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Irakli Kokhreidze
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Lia Abshilava
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Mikheil Janjalia
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Rubi Li
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Kuntegowda C Lakshmaiah
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Beka Samkharadze
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Oksana Tarasova
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Ranjan Kumar Mohapatra
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Yaroslav Sparyk
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Sergey Polenkov
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Vladimir Vladimirov
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Liang Xiu
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Eugene Zhu
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Bruce Kimelblatt
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Kris Deprince
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Ilya Safonov
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Peter Bowers
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
| | - Els Vercammen
- Brian Leyland-Jones, Avera Cancer Institute, Sioux Falls, SD; Igor Bondarenko, Dnepropetrovsk Medical Academy; and Iryna Litvin, Dnepropetrovsk Regional Oncological Dispensary, Dnepropetrovsk; Vitaliy Smirnov, Donetsk Regional Anticancer Center, Donetsk; Oksana Tarasova, Institute of Medical Radiology, Kharkiv; Yaroslav Sparyk, Lviv State Oncology Regional Treatment and Diagnostic Centre, Lviv; and Sergey Polenkov, Chernigov Regional Oncology Center, Chernigov, Ukraine; Gia Nemsadze, Institute of Clinical Oncology (LTD. K. Madichi Mammological Center); Irakli Kokhreidze, Martin D. Abeloff Laboratory Cancer Research Center; Lia Abshilava, Chemotherapy and Immunotherapy Clinic Medulla; Mikheil Janjalia, Tbilisi Cancer Center; and Beka Samkharadze, Research Institute of Clinical Medicine, Tbilisi, Georgia; Rubi Li, St. Luke's Medical Center, Quezon City, Philippines; Kuntegowda C. Lakshmaiah, Kidwai Memorial Institute of Oncology, Bangalore; and Ranjan Kumar Mohapatra, Apollo Specialty Hospital, Chennai, India; Vladimir Vladimirov, Pyatigorsk Oncology Dispensary, Pyatigorsk, Russian Federation; and Liang Xiu, Eugene Zhu, Bruce Kimelblatt, Kris Deprince, Ilya Safonov, Peter Bowers, and Els Vercammen, Janssen Research & Development, Raritan, NJ
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Meyer FRL, Steinborn R, Grausgruber H, Wolfesberger B, Walter I. Expression of platelet-derived growth factor BB, erythropoietin and erythropoietin receptor in canine and feline osteosarcoma. Vet J 2015; 206:67-74. [PMID: 26189892 PMCID: PMC4582422 DOI: 10.1016/j.tvjl.2015.06.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 05/29/2015] [Accepted: 06/03/2015] [Indexed: 12/12/2022]
Abstract
The discovery of expression of the erythropoietin receptor (EPO-R) on neoplastic cells has led to concerns about the safety of treating anaemic cancer patients with EPO. In addition to its endocrine function, the receptor may play a role in tumour progression through an autocrine mechanism. In this study, the expression of EPO, EPO-R and platelet-derived growth factor BB (PDGF-BB) was analysed in five feline and 13 canine osteosarcomas using immunohistochemistry (IHC) and reverse transcription polymerase chain reaction (RT-PCR). EPO expression was positive in all tumours by IHC, but EPO mRNA was only detected in 38% of the canine and 40% of the feline samples. EPO-R was expressed in all samples by quantitative RT-PCR (RT-qPCR) and IHC. EPO-R mRNA was expressed at higher levels in all feline tumours, tumour cell lines, and kidney when compared to canine tissues. PDGF-BB expression was variable by IHC, but mRNA was detected in all samples. To assess the functionality of the EPO-R on tumour cells, the proliferation of canine and feline osteosarcoma cell lines was evaluated after EPO administration using an alamarBlue assay and Ki67 immunostaining. All primary cell lines responded to EPO treatment in at least one of the performed assays, but the effect on proliferation was very low indicating only a weak responsiveness of EPO-R. In conclusion, since EPO and its receptor are expressed by canine and feline osteosarcomas, an autocrine or paracrine tumour progression mechanism cannot be excluded, although in vitro data suggest a minimal role of EPO-R in osteosarcoma cell proliferation.
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Affiliation(s)
- F R L Meyer
- Institute of Anatomy, Histology and Embryology, Department of Pathobiology, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
| | - R Steinborn
- Genomics Core Facility, VetCore, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
| | - H Grausgruber
- Division of Plant Breeding, University of Natural Resources and Life Sciences, Vienna, Konrad Lorenz-Strasse 24, 3430 Vienna, Austria
| | - B Wolfesberger
- Department for Companion Animals and Horses, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
| | - I Walter
- Institute of Anatomy, Histology and Embryology, Department of Pathobiology, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria.
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Abstract
The kidneys are important endocrine organs. They secrete humoral factors, such as calcitriol, erythropoietin, klotho, and renin into the circulation, and therefore, they are essentially involved in the regulation of a variety of processes ranging from bone formation to erythropoiesis. The endocrine functions are established by cells, such as proximal or distal tubular cells, renocortical interstitial cells, or mural cells of afferent arterioles. These endocrine cells are either fixed in number, such as tubular cells, which individually and gradually upregulate or downregulate hormone production, or they belong to a pool of cells, which display a recruitment behavior, such as erythropoietin- and renin-producing cells. In the latter case, regulation of humoral function occurs via (de)recruitment of active endocrine cells. As a consequence renin- and erythropoietin-producing cells in the kidney show a high degree of plasticity by reversibly switching between distinct cell states. In this review, we will focus on the characteristics of renin- and of erythropoietin-producing cells, especially on their origin and localization, their reversible transformations, and the mediators, which are responsible for transformation. Finally, we will discuss a possible interconversion of renin and erythropoietin expression.
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Affiliation(s)
- Birgül Kurt
- Institute of Physiology, University of Regensburg, Regensburg, Germany
| | - Armin Kurtz
- Institute of Physiology, University of Regensburg, Regensburg, Germany
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Debeljak N, Solár P, Sytkowski AJ. Erythropoietin and cancer: the unintended consequences of anemia correction. Front Immunol 2014; 5:563. [PMID: 25426117 PMCID: PMC4227521 DOI: 10.3389/fimmu.2014.00563] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 10/22/2014] [Indexed: 01/12/2023] Open
Abstract
Until 1990, erythropoietin (EPO) was considered to have a single biological purpose and action, the stimulation of red blood cell growth and differentiation. Slowly, scientific and medical opinion evolved, beginning with the discovery of an effect on endothelial cell growth in vitro and the identification of EPO receptors (EPORs) on neuronal cells. We now know that EPO is a pleiotropic growth factor that exhibits an anti-apoptotic action on numerous cells and tissues, including malignant ones. In this article, we present a short discussion of EPO, receptors involved in EPO signal transduction, and their action on non-hematopoietic cells. This is followed by a more detailed presentation of both pre-clinical and clinical data that demonstrate EPO’s action on cancer cells, as well as tumor angiogenesis and lymphangiogenesis. Clinical trials with reported adverse effects of chronic erythropoiesis-stimulating agents (ESAs) treatment as well as clinical studies exploring the prognostic significance of EPO and EPOR expression in cancer patients are reviewed. Finally, we address the use of EPO and other ESAs in cancer patients.
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Affiliation(s)
- Nataša Debeljak
- Faculty of Medicine, Institute of Biochemistry, University of Ljubljana , Ljubljana , Slovenia
| | - Peter Solár
- Department of Cell and Molecular Biology, Institute of Biology and Ecology, Faculty of Sciences, Pavol Jozef Šafárik University , Košice , Slovakia
| | - Arthur J Sytkowski
- Oncology Therapeutic Area, Quintiles Transnational , Arlington, MA , USA
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Feder D, Rugollini M, Santomauro A, Oliveira LP, Lioi VP, Santos RD, Ferreira LG, Nunes MT, Carvalho MH, Delgado PO, Carvalho AAS, Fonseca FLA. Erythropoietin reduces the expression of myostatin in mdx dystrophic mice. ACTA ACUST UNITED AC 2014. [PMID: 25296358 PMCID: PMC4230286 DOI: 10.1590/1414-431x20143858] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Erythropoietin (EPO) has been well characterized as a renal glycoprotein hormone
regulating red blood cell production by inhibiting apoptosis of erythrocyte
progenitors in hematopoietic tissues. EPO exerts regulatory effects in cardiac and
skeletal muscles. Duchenne muscular dystrophy is a lethal degenerative disorder of
skeletal and cardiac muscle. In this study, we tested the possible therapeutic
beneficial effect of recombinant EPO (rhEPO) in dystrophic muscles in mdx mice. Total
strength was measured using a force transducer coupled to a computer. Gene expression
for myostatin, transforming growth factor-β1 (TGF-β1), and tumor necrosis factor-α
(TNF-α) was determined by quantitative real time polymerase chain reaction. Myostatin
expression was significantly decreased in quadriceps from mdx mice treated with rhEPO
(rhEPO=0.60±0.11, control=1.07±0.11). On the other hand, rhEPO had no significant
effect on the expression of TGF-β1 (rhEPO=0.95±0.14, control=1.05±0.16) and TNF-α
(rhEPO=0.73±0.20, control=1.01±0.09). These results may help to clarify some of the
direct actions of EPO on skeletal muscle.
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Affiliation(s)
- D Feder
- Faculdade de Medicina do ABC, Santo André, SP, Brasil
| | - M Rugollini
- Faculdade de Medicina do ABC, Santo André, SP, Brasil
| | - A Santomauro
- Faculdade de Medicina do ABC, Santo André, SP, Brasil
| | - L P Oliveira
- Faculdade de Medicina do ABC, Santo André, SP, Brasil
| | - V P Lioi
- Faculdade de Medicina do ABC, Santo André, SP, Brasil
| | - R dos Santos
- Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
| | - L G Ferreira
- Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M T Nunes
- Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M H Carvalho
- Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
| | - P O Delgado
- Faculdade de Medicina do ABC, Santo André, SP, Brasil
| | | | - F L A Fonseca
- Faculdade de Medicina do ABC, Santo André, SP, Brasil
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Short-term effects of erythropoietin on neurodevelopment in infants with cerebral palsy: a pilot study. Brain Dev 2014; 36:764-9. [PMID: 24314853 DOI: 10.1016/j.braindev.2013.11.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 11/01/2013] [Accepted: 11/10/2013] [Indexed: 01/31/2023]
Abstract
OBJECTIVE Cerebral palsy (CP) is a disabling condition characterized by the motor impairment, which is difficult to be ameliorated. In the brain of infants with CP, there are persistent pathomechanisms including accentuated neuroinflammation. Since erythropoietin was demonstrated to have neuroprotective effect via anti-inflammatory and anti-apoptotic properties, we hypothesized that the administration of recombinant human EPO (rhEPO) could help children with CP, especially young infants. MATERIALS AND METHOD We investigated the therapeutic efficacy of rhEPO for infants with CP, who had been undergoing active rehabilitation in hospitalized setting to eliminate treatment bias. Twenty infants with CP were randomly divided into EPO or control group equally. We compared the changes in the Gross Motor Function Measure (GMFM) and the Bayley Scales of Infant Development-II (BSID-II) scores during one month of hospitalization between two groups. RESULTS The improvements after 1 month on the GMFM A and GMFM total scores differed significantly between the groups (p = 0.003, p = 0.04, respectively). However, the changes after 6 months were not different between the two groups. The scores of BSID-II did not show any differences at 1-month and 6-months post-treatment. CONCLUSION These results indicated that rhEPO could have therapeutic efficacy for infants with CP during the active rehabilitation and anti-inflammation was suggested to be one of its therapeutic mechanisms.
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Zhang J, Yang Y, He T, Liu Y, Zhou Y, Chen Y, Xu C. Expression profiles uncover the relationship between erythropoietin and cell proliferation in rat hepatocytes after a partial hepatectomy. Cell Mol Biol Lett 2014; 19:331-46. [PMID: 24928528 PMCID: PMC6275805 DOI: 10.2478/s11658-014-0198-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Accepted: 05/28/2014] [Indexed: 02/06/2023] Open
Abstract
Erythropoietin (EPO) has a beneficial effect on hepatic cell proliferation during liver regeneration. However, the underlying mechanism has not yet been elucidated. To uncover the proliferation response of EPO in rat liver regeneration after partial hepatectomy (PH) at the cellular level, hepatocytes (HCs) were isolated using Percoll density gradient centrifugation. The genes of the EPO-mediated signaling pathway and the target genes of the transcription factor (TF) in the pathway were identified in a pathway and TF database search. Their expression profiles were then detected using Rat Genome 230 2.0 Microarray. The results indicated that the EPO-mediated signaling pathway is involved in 19 paths and that 124 genes participate, of which 32 showed significant changes and could be identified as liver regeneration-related genes. In addition, 443 targets regulated by the TFs of the pathway and 60 genes associated with cell proliferation were contained in the array. Subsequently, the synergetic effect of these genes in liver regeneration was analyzed using the E(t) mathematical model based on their expression profiles. The results demonstrated that the E(t) values of paths 3, 8, 12 and 14-17 were significantly strengthened in the progressing phase of liver regeneration through the RAS/MEK/ERK or PI3K/AκT pathways. The synergetic effect of the target genes, in parallel with target-related cell proliferation, was also enhanced 12-72 h after PH, suggesting a potential positive effect of EPO on HC proliferation during rat liver regeneration. These data imply that the EPO receptor may allow EPO to promote HC proliferation through paths 3, 8, 12 and 14-17, mediating the RAS/MEK/ERK and PI3K/AκT pathways in rat liver regeneration after PH.
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Affiliation(s)
- Jihong Zhang
- College of Life Science, Henan Normal University, Xinxiang, 453007 P.R. China
| | - Yajuan Yang
- College of Life Science, Henan Normal University, Xinxiang, 453007 P.R. China
| | - Tingting He
- College of Life Science, Henan Normal University, Xinxiang, 453007 P.R. China
| | - Yunqing Liu
- College of Life Science, Henan Normal University, Xinxiang, 453007 P.R. China
| | - Yun Zhou
- College of Life Science, Henan Normal University, Xinxiang, 453007 P.R. China
| | - Yongkang Chen
- College of Life Science and Technology, Jinan University, Guangzhou, 510632 P.R. China
| | - Cunshuan Xu
- College of Life Science, Henan Normal University, Xinxiang, 453007 P.R. China
- Key Laboratory for Cell Differentiation Regulation, Xinxiang, 453007 P.R. China
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Aguilar C, Aguilar C, Lopez-Marure R, Jiménez-Sánchez A, Rocha-Zavaleta L. Co-stimulation with stem cell factor and erythropoietin enhances migration of c-Kit expressing cervical cancer cells through the sustained activation of ERK1/2. Mol Med Rep 2014; 9:1895-902. [PMID: 24626629 DOI: 10.3892/mmr.2014.2044] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 02/17/2014] [Indexed: 11/06/2022] Open
Abstract
The cytokines erythropoietin (Epo) and stem cell factor (SCF), coupled with the cooperation between their receptors (EpoR and c-Kit), are essential components of normal physiological erythropoiesis. In earlier studies, we demonstrated the expression of c-Kit and EpoR in cervical cancer cells. It was identified that SCF is a survival factor, whereas Epo promotes cell proliferation. Cooperation between EpoR and SCF in cervical cancer has rarely been studied, despite the fact that cell migration and anchorage independent growth are considered initial steps in metastasis. Thus, the aim of this study was to analyse the effect of SCF and Epo alone, or in combination, on the migration and anchorage independent growth of two cervical cancer-derived cell lines. First, we demonstrated the expression of EpoR and c-Kit in the cell lines. Next, we evaluated anchorage independent growth, and identified that Epo and SCF produced a modest number of colonies, whereas the combination Epo/SCF induced a significantly higher number of colonies. Migration was then evaluated in Boyden chambers. Co-stimulation with Epo/SCF induced a significantly higher number of migrating cells than either cytokine alone. SCF-, Epo- and Epo/SCF-induced migration was inhibited by blocking phosphorylation of Janus kinase 2 (JAK2). Accordingly, western blot analysis demonstrated that the JAK2/signal transducer and activator of transcription-5 (STAT5) axis was activated in all cases. By contrast, inhibition of extracellular signal-related kinase (ERK) 1/2 abrogated migration induced by SCF and Epo/SCF only. Concurrently, Epo induced a modest, transient activation of ERK1/2, whereas SCF and Epo/SCF prompted a strong, sustained phosphorylation of ERK1/2. The results from this study have revealed that co-stimulation with Epo/SCF promotes migration and anchorage independent cell growth, and that co-signalling from EpoR and c-Kit converge on JAK2/STAT5 activation. Furthermore, SCF- and Epo/SCF-induced migration depends on the sustained activation of ERK1/2. These results indicate that co-signalling from different cytokine receptors induces migration, and this suggests that migratory behaviour may be regulated by the cooperative activity of Epo and SCF in cells expressing their cognate receptors.
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Affiliation(s)
- Cristina Aguilar
- Instituto de Investigaciones Biomédicas, Departamento de Biología Molecular y Biotecnología, UNAM, Ciudad Universitaria, C.P. 04510, Mexico City, Mexico
| | - Cecilia Aguilar
- Instituto de Investigaciones Biomédicas, Departamento de Biología Molecular y Biotecnología, UNAM, Ciudad Universitaria, C.P. 04510, Mexico City, Mexico
| | - Rebeca Lopez-Marure
- Instituto Nacional de Cardiología 'Ignacio Chávez', Departamento de Biología Celular, Colonia Sección 16, Tlalpan, C.P. 14080, Mexico City, Mexico
| | - Alejandro Jiménez-Sánchez
- Instituto de Investigaciones Biomédicas, Departamento de Biología Molecular y Biotecnología, UNAM, Ciudad Universitaria, C.P. 04510, Mexico City, Mexico
| | - Leticia Rocha-Zavaleta
- Instituto de Investigaciones Biomédicas, Departamento de Biología Molecular y Biotecnología, UNAM, Ciudad Universitaria, C.P. 04510, Mexico City, Mexico
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Li C, Liu VWS, Chiu PM, Yao KM, Ngan HYS, Chan DW. Reduced expression of AMPK-β1 during tumor progression enhances the oncogenic capacity of advanced ovarian cancer. Mol Cancer 2014; 13:49. [PMID: 24602453 PMCID: PMC4016028 DOI: 10.1186/1476-4598-13-49] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Accepted: 02/21/2014] [Indexed: 12/25/2022] Open
Abstract
AMP-activated protein kinase (AMPK) is a key energy sensor that is involved in regulating cell metabolism. Our previous study revealed that the subunits of the heterotimeric AMPK enzyme are diversely expressed during ovarian cancer progression. However, the impact of the variable expression of these AMPK subunits in ovarian cancer oncogenesis remains obscure. Here, we provide evidence to show that reduced expression of the AMPK-β1 subunit during tumor progression is associated with the increased oncogenic capacity of advanced ovarian cancer cells. Immunohistochemical analysis revealed that AMPK-β1 levels were reduced in advanced-stage (P = 0.008), high-grade (P = 0.013) and metastatic ovarian cancers (P = 0.008). Intriguingly, down-regulation of AMPK-β1 was progressively reduced from tumor stages 1 to 3 of ovarian cancer. Functionally, enforced expression of AMPK-β1 inhibited ovarian-cancer-cell proliferation, anchorage-independent cell growth, cell migration and invasion. Conversely, depletion of AMPK-β1 by siRNA enhanced the oncogenic capacities of ovarian cancer cells, suggesting that the loss of AMPK-β1 favors the aggressiveness of ovarian cancer. Mechanistically, enforced expression of AMPK-β1 increased AMPK activity, which, in turn, induced cell-cycle arrest via inhibition of AKT/ERK signaling activity as well as impaired cell migration/invasion through the suppression of JNK signaling in ovarian cancer cells. Taken together, these findings suggest that the reduced expression of AMPK-β1 confers lower AMPK activity, which enhances the oncogenic capacity of advanced-stage ovarian cancer.
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Affiliation(s)
| | | | | | | | - Hextan Y S Ngan
- Department of Obstetrics & Gynecology, The University of Hong Kong, 6th Floor, Professorial Block, Queen Mary Hospital, Pokfulam, Hong Kong, SAR, People's Republic of China.
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Liu Y, Luo B, Han F, Li X, Xiong J, Jiang M, Yang X, Wu Y, Zhang Z. Erythropoietin-derived nonerythropoietic peptide ameliorates experimental autoimmune neuritis by inflammation suppression and tissue protection. PLoS One 2014; 9:e90942. [PMID: 24603865 PMCID: PMC3946253 DOI: 10.1371/journal.pone.0090942] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Accepted: 02/05/2014] [Indexed: 12/25/2022] Open
Abstract
Experimental autoimmune neuritis (EAN) is an autoantigen-specific T-cell-mediated disease model for human demyelinating inflammatory disease of the peripheral nervous system. Erythropoietin (EPO) has been known to promote EAN recovery but its haematopoiesis stimulating effects may limit its clinic application. Here we investigated the effects and potential mechanisms of an EPO-derived nonerythropoietic peptide, ARA 290, in EAN. Exogenous ARA 290 intervention greatly improved EAN recovery, improved nerve regeneration and remyelination, and suppressed nerve inflammation. Furthermore, haematopoiesis was not induced by ARA 290 during EAN treatment. ARA 290 intervention suppressed lymphocyte proliferation and altered helper T cell differentiation by inducing increase of Foxp3+/CD4+ regulatory T cells and IL-4+/CD4+ Th2 cells and decrease of IFN-γ+/CD4+ Th1 cells in EAN. In addition, ARA 290 inhibited inflammatory macrophage activation and promoted its phagocytic activity. In vitro, ARA 290 was shown to promote Schwann cell proliferation and inhibit its inflammatory activation. In summary, our data demonstrated that ARA 290 could effectively suppress EAN by attenuating inflammation and exerting direct cell protection, indicating that ARA 290 could be a potent candidate for treatment of autoimmune neuropathies.
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MESH Headings
- Animals
- Cell Differentiation/drug effects
- Cell Proliferation/drug effects
- Erythropoietin/chemistry
- Inflammation/chemically induced
- Inflammation/drug therapy
- Inflammation/immunology
- Inflammation/pathology
- Injections, Intraperitoneal
- Injections, Subcutaneous
- Male
- Nerve Regeneration/drug effects
- Neuritis, Autoimmune, Experimental/chemically induced
- Neuritis, Autoimmune, Experimental/drug therapy
- Neuritis, Autoimmune, Experimental/immunology
- Neuritis, Autoimmune, Experimental/pathology
- Neuropeptides/adverse effects
- Neuroprotective Agents/chemical synthesis
- Neuroprotective Agents/pharmacology
- Oligopeptides/chemical synthesis
- Oligopeptides/pharmacology
- Rats
- Rats, Inbred Lew
- Sciatic Nerve/drug effects
- Sciatic Nerve/immunology
- Sciatic Nerve/pathology
- T-Lymphocytes, Helper-Inducer/drug effects
- T-Lymphocytes, Helper-Inducer/immunology
- T-Lymphocytes, Helper-Inducer/pathology
- T-Lymphocytes, Regulatory/drug effects
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/pathology
- Th1-Th2 Balance/drug effects
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Affiliation(s)
- Yuqi Liu
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
| | - Bangwei Luo
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
| | - Fuyu Han
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
| | - Xiaoming Li
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
| | - Jian Xiong
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
| | - Man Jiang
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
| | - Xioafeng Yang
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
| | - Yuzhang Wu
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
- * E-mail: (ZZ); (YW)
| | - Zhiren Zhang
- Institute of Immunology, Third Military Medical University of People’s Liberation Army, Chongqing, China
- * E-mail: (ZZ); (YW)
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Littlewood TJ, Collins GP. Pharmacotherapy of anemia in cancer patients. Expert Rev Clin Pharmacol 2014; 1:307-17. [DOI: 10.1586/17512433.1.2.307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Littlewood T, Collins G. Epoetin alfa: basic biology and clinical utility in cancer patients. Expert Rev Anticancer Ther 2014; 5:947-56. [PMID: 16336085 DOI: 10.1586/14737140.5.6.947] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Anemia in cancer patients undergoing treatment is common and can cause debilitating symptoms such as fatigue and reduced exercise tolerance. The introduction of recombinant human erythropoietin represents a potential improvement in the treatment of this condition. Clinical studies in patients with solid tumors and nonmyeloid hematologic malignancies have convincingly shown an improvement in mean hemoglobin concentration, a reduction in transfusion requirement along with an improvement in quality of life scores, although an effect on survival is less clear. In myeloid disorders such as myelodysplasia, response to single-agent recombinant human erythropoietin is disappointing but significant synergism with granulocyte colony stimulating factor has been demonstrated and different dosing regimens may also improve response. Unfortunately, a significant proportion of patients remain refractory to treatment. Efforts have been made to identify treatable causes of erythropoietin refractoriness, such as functional iron deficiency, and concomitant intravenous iron supplementation does appear to improve response rates. The search for pretreatment factors that predict response has been largely disappointing, although a promising model for myelodysplasia has been developed that awaits large-scale evaluation. Recombinant human erythropoietin is well tolerated, although there were concerns in the late 1990s due to a rising incidence of pure red cell aplasia in chronic renal failure patients treated with subcutaneous Eprex (Ortho Biologics) in Europe. Since potentially contributory manufacturing processes have been identified and corrected, the incidence of this complication has been falling.
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Affiliation(s)
- Timothy Littlewood
- Department of Haematology, Level 4, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK.
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Gobe GC, Bennett NC, West M, Colditz P, Brown L, Vesey DA, Johnson DW. Increased progression to kidney fibrosis after erythropoietin is used as a treatment for acute kidney injury. Am J Physiol Renal Physiol 2014; 306:F681-92. [PMID: 24402097 DOI: 10.1152/ajprenal.00241.2013] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Treatment of renal ischemia-reperfusion (IR) injury with recombinant human erythropoietin (rhEPO) reduces acute kidney injury and improves function. We aimed to investigate whether progression to chronic kidney disease associated with acute injury was also reduced by rhEPO treatment, using in vivo and in vitro models. Rats were subjected to bilateral 40-min renal ischemia, and kidneys were studied at 4, 7, and 28 days postreperfusion for renal function, tubular injury and repair, inflammation, and fibrosis. Acute injury was modulated using rhEPO (1,000 or 5,000 IU/kg, intraperitoneally) at the time of reperfusion. Renal tubular epithelial cells or fibroblasts in culture were subjected to hypoxia or oxidative stress, with or without rhEPO (200 IU/ml), and fibrogenesis was studied. The results of the in vivo model confirmed functional and structural improvement with rhEPO at 4 days post-IR (P < 0.05). At 7 days post-IR, fibrosis and myofibroblast stimulation were increased with IR with and without rhEPO (P < 0.01). However, at 28 days post-IR, renal fibrosis and myofibroblast numbers were significantly greater with IR plus rhEPO (P < 0.01) compared with IR only. Mechanistically, rhEPO stimulated profibrotic transforming growth factor-β, oxidative stress (marker 8-hydroxy-deoxyguanosine), and phosphorylation of the signal transduction protein extracellular signal-regulated kinase. In vitro, rhEPO protected tubular epithelium from apoptosis but stimulated epithelial-to-mesenchymal transition and also protected and activated fibroblasts, particularly with oxidative stress. In summary, although rhEPO was protective of renal function and structure in acute kidney injury, the supraphysiological dose needed for renoprotection contributed to fibrogenesis and stimulated chronic kidney disease in the long term.
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Affiliation(s)
- Glenda C Gobe
- Centre for Kidney Disease Research, School of Medicine, Univ. of Queensland, Translational Research Institute, Kent St., Woolloongabba, Brisbane, Australia 4102..
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Zhou B, Damrauer JS, Bailey ST, Hadzic T, Jeong Y, Clark K, Fan C, Murphy L, Lee CY, Troester MA, Miller CR, Jin J, Darr D, Perou CM, Levine RL, Diehn M, Kim WY. Erythropoietin promotes breast tumorigenesis through tumor-initiating cell self-renewal. J Clin Invest 2014; 124:553-63. [PMID: 24435044 DOI: 10.1172/jci69804] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Accepted: 10/24/2013] [Indexed: 12/30/2022] Open
Abstract
Erythropoietin (EPO) is a hormone that induces red blood cell production. In its recombinant form, EPO is the one of most prescribed drugs to treat anemia, including that arising in cancer patients. In randomized trials, EPO administration to cancer patients has been associated with decreased survival. Here, we investigated the impact of EPO modulation on tumorigenesis. Using genetically engineered mouse models of breast cancer, we found that EPO promoted tumorigenesis by activating JAK/STAT signaling in breast tumor-initiating cells (TICs) and promoted TIC self renewal. We determined that EPO was induced by hypoxia in breast cancer cell lines, but not in human mammary epithelial cells. Additionally, we demonstrated that high levels of endogenous EPO gene expression correlated with shortened relapse-free survival and that pharmacologic JAK2 inhibition was synergistic with chemotherapy for tumor growth inhibition in vivo. These data define an active role for endogenous EPO in breast cancer progression and breast TIC self-renewal and reveal a potential application of EPO pathway inhibition in breast cancer therapy.
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Shin M, Hong D, Zhang Z, Kim YM, Lee W, Joh JW, Kim SJ. Expression and functional significance of the erythropoietin receptor in hepatocellular carcinoma. HPB (Oxford) 2013; 15:965-75. [PMID: 23496059 PMCID: PMC3843615 DOI: 10.1111/hpb.12076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Accepted: 01/20/2013] [Indexed: 12/12/2022]
Abstract
BACKGROUND Erythropoietin, through its specific receptor (EpoR), may induce responses in a variety of non-haematopoietic tissues including malignant cells. The purpose of this study was to examine the expression of EpoR in hepatocellular carcinoma (HCC) and to correlate the levels of EpoR expression with the clinicopathological properties of HCC and tumour recurrence. METHODS The study included 134 patients who underwent curative hepatectomy for hepatitis B virus (HBV)-related primary HCC. The clinical, laboratory and pathological data from these patients were retrospectively collected. The expression of EpoR mRNA and protein were evaluated by reverse transcription-polymerase chain reaction (RT-PCR) and Western blot analysis, respectively. RESULTS Expression of EpoR mRNA in the cirrhotic liver was positively correlated with tumour cell differentiation and 1-year disease-free survival (74.8% in the high expression group versus 46.9% in the low expression group; P = 0.001), as it was for EpoR mRNA expression in HCC (64.4% in the high expression group versus 52.7% in the low expression group; P = 0.044). Tumour recurrence showed stronger dependence on the expression of EpoR protein in non-malignant cirrhotic livers than in HCC. CONCLUSION In HBV-related HCC, the levels of EpoR mRNA and protein in non-tumour cirrhotic livers were positively correlated with tumour cell differentiation, which is a favourable predictor of disease-specific survival.
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Affiliation(s)
- Milljae Shin
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of MedicineSeoul, Korea
| | - Doopyo Hong
- Transplantation Research Center, Samsung Biomedical Research InstituteSeoul, Korea
| | - Zhengyun Zhang
- Transplantation Research Center, Samsung Biomedical Research InstituteSeoul, Korea
| | - You Min Kim
- Transplantation Research Center, Samsung Biomedical Research InstituteSeoul, Korea
| | - Wookjong Lee
- Transplantation Research Center, Samsung Biomedical Research InstituteSeoul, Korea
| | - Jae-Won Joh
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of MedicineSeoul, Korea
| | - Sung-Joo Kim
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of MedicineSeoul, Korea
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Luo B, Jiang M, Yang X, Zhang Z, Xiong J, Schluesener HJ, Zhang Z, Wu Y. Erythropoietin is a hypoxia inducible factor-induced protective molecule in experimental autoimmune neuritis. Biochim Biophys Acta Mol Basis Dis 2013; 1832:1260-70. [DOI: 10.1016/j.bbadis.2013.04.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Revised: 04/07/2013] [Accepted: 04/10/2013] [Indexed: 12/30/2022]
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Pascual M, Bohle B, Alonso S, Mayol X, Salvans S, Grande L, Pera M. Preoperative administration of erythropoietin stimulates tumor recurrence after surgical excision of colon cancer in mice by a vascular endothelial growth factor–independent mechanism. J Surg Res 2013; 183:270-7. [DOI: 10.1016/j.jss.2012.12.041] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2012] [Revised: 12/14/2012] [Accepted: 12/20/2012] [Indexed: 10/27/2022]
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47
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Feng CC, Ding GX, Song NH, Li X, Wu Z, Jiang HW, Ding Q. Paraneoplastic hormones: parathyroid hormone-related protein (PTHrP) and erythropoietin (EPO) are related to vascular endothelial growth factor (VEGF) expression in clear cell renal cell carcinoma. Tumour Biol 2013; 34:3471-6. [DOI: 10.1007/s13277-013-0924-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Accepted: 06/11/2013] [Indexed: 11/28/2022] Open
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Pan Y, Shu JL, Gu HF, Zhou DC, Liu XL, Qiao QY, Fu SK, Gao FH, Jin HM. Erythropoietin improves insulin resistance via the regulation of its receptor-mediated signaling pathways in 3T3L1 adipocytes. Mol Cell Endocrinol 2013; 367:116-23. [PMID: 23313788 DOI: 10.1016/j.mce.2012.12.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Revised: 11/26/2012] [Accepted: 12/21/2012] [Indexed: 12/24/2022]
Abstract
Recombinant human erythropoietin (rHuEPO) reduces serum insulin levels, increases insulin sensitivity, and reduces insulin resistance (IR). However, the mechanisms behind these effects are unclear. This study aimed to investigate the mechanism by which rHuEPO effects IR in 3T3L1 adipocytes. After treatment with different concentrations of rHuEPO, glucose consumption, and tumor necrosis factor (TNF-α), adiponectin, and leptin levels were assayed with a commercial enzyme-linked immunosorbent assays. Endogenous erythropoietin receptor (EPOR) expression was inhibited using small interfering RNA (siRNA). EPOR protein and mRNA expression was detected via immunofluorescence and real-time PCR analyses, respectively. The expression of pAKT/AKT and p-STAT5/STAT5 was determined via Western blot analysis. rHuEPO treatment improved glucose uptake, increased adiponectin levels, and reduced TNF-α and leptin levels in 3T3L1 adipocytes with dexamethasone-induced IR. Whereas EPOR protein and gene expression was absent in preadipocytes, it was observed in mature 3T3L1 adipocytes. However, the expression of EPOR in insulin resistant 3T3L1 adipocytes was significantly decreased (p<0.05). rHuEPO increased the expression of EPOR, and upregulated the expression of pAKT/AKT and pSTAT5/STAT5 in 3T3L1 adipocytes (p<0.05), which was blocked by siEPOR, the phosphatidylinositol-3-kinase (PI3K) inhibitor, LY294002, and a STAT5 inhibitor, respectively. In summary, rHuEPO reduced IR in adipocytes by increasing glucose uptake and improving the adipokine profile. rHuEPO-induced EPOR protein expression and subsequent induction of pAKT and pSTAT5 suggest that the EPO-EPOR system may play a role in glucose metabolism within adipocytes.
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Affiliation(s)
- Yu Pan
- Division of Nephrology, No. 3 People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Morais C, Johnson DW, Vesey DA, Gobe GC. Functional significance of erythropoietin in renal cell carcinoma. BMC Cancer 2013; 13:14. [PMID: 23305401 PMCID: PMC3554558 DOI: 10.1186/1471-2407-13-14] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 12/18/2012] [Indexed: 12/18/2022] Open
Abstract
One of the molecules regulated by the transcription factor, hypoxia inducible factor (HIF), is the hypoxia-responsive hematopoietic factor, erythropoietin (EPO). This may have relevance to the development of renal cell carcinoma (RCC), where mutations of the von Hippel-Lindau (VHL) gene are major risk factors for the development of familial and sporadic RCC. VHL mutations up-regulate and stabilize HIF, which in turn activates many downstream molecules, including EPO, that are known to promote angiogenesis, drug resistance, proliferation and progression of solid tumours. HIFs typically respond to hypoxic cellular environment. While the hypoxic microenvironment plays a critical role in the development and progression of tumours in general, it is of special significance in the case of RCC because of the link between VHL, HIF and EPO. EPO and its receptor, EPOR, are expressed in many cancers, including RCC. This limits the use of recombinant human EPO (rhEPO) to treat anaemia in cancer patients, because the rhEPO may be stimulatory to the cancer. EPO may also stimulate epithelial-mesenchymal transition (EMT) in RCC, and pathological EMT has a key role in cancer progression. In this mini review, we summarize the current knowledge of the role of EPO in RCC. The available data, either for or against the use of EPO in RCC patients, are equivocal and insufficient to draw a definitive conclusion.
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Affiliation(s)
- Christudas Morais
- Centre for Kidney Disease Research, School of Medicine, University of Queensland at Princess Alexandra Hospital, Building 33, Brisbane, Queensland, 4102, Australia.
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Shin T, Ahn M, Moon C, Kim S. Erythropoietin and autoimmune neuroinflammation: lessons from experimental autoimmune encephalomyelitis and experimental autoimmune neuritis. Anat Cell Biol 2012; 45:215-20. [PMID: 23301189 PMCID: PMC3531585 DOI: 10.5115/acb.2012.45.4.215] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Revised: 11/09/2012] [Accepted: 11/14/2012] [Indexed: 12/31/2022] Open
Abstract
Erythropoietin (EPO) is known to have numerous biological functions. While its primary function is during haematopoiesis, recent studies have shown that EPO plays important role in cytoprotection, immunomodulation, and antiapoptosis. These secondary functions of EPO are integral to tissue protection following hypoxic injury, ischemia-reperfusion injury, and spinal cord injury in the central nervous system. This review focuses on experimental evidence documenting the neuroprotective effects of EPO in organ-specific autoimmune nervous system disorders such as experimental autoimmune encephalomyelitis (EAE) and experimental autoimmune neuritis (EAN). In addition, the immunomodulatory role of EPO in the pathogenesis of EAE and EAN animal models of human multiple sclerosis and Guillain-Barré syndrome, respectively, will be discussed.
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Affiliation(s)
- Taekyun Shin
- Department of Veterinary Anatomy, Veterinary Medical Research Institute, College of Veterinary Medicine, Jeju National University, Jeju, Korea
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