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Amano S, Hirashita T, Kawano Y, Nishida H, Orimoto H, Kawamura M, Kawasaki T, Masuda T, Endo Y, Ohta M, Daa T, Inomata M. Apoptosis-related factors are relevant to progression of pancreatic neuroendocrine tumors. World J Surg Oncol 2023; 21:381. [PMID: 38082268 PMCID: PMC10714622 DOI: 10.1186/s12957-023-03267-4] [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: 10/04/2023] [Accepted: 12/05/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Multidisciplinary therapy centered on antitumor drugs is indicated in patients with unresectable pancreatic neuroendocrine tumors (PanNET). However, the criteria for selection of optimal therapeutic agents is controversial. The aim of this study was to assess the malignancy of PanNET for optimal therapeutic drug selection. METHODS Forty-seven patients with PanNET who underwent surgery were reviewed retrospectively, and immunohistochemical characteristics, including expression of GLUT1, SSTR2a, SSTR5, Survivin, X-chromosome-linked inhibitor of apoptosis protein (XIAP), and Caspase3 in the resected specimens, were investigated. Relapse-free survival (RFS) and overall survival (OS) were evaluated with regard to the characteristics using the Kaplan-Meier method and compared with the log-rank test. RESULTS GLUT1 expression showed significant correlation with sex (p = 0.036) and mitotic rate (p = 0.048). Survivin and XIAP expression showed significant correlation with T-stage (p = 0.014 and 0.009), p-Stage (p = 0.028 and 0.045), and mitotic rate (p = 0.023 and 0.007). XIAP expression also significantly influenced OS (p = 0.044). CONCLUSIONS Survivin and XIAP correlated with grade of malignancy, and expression of XIAP in particular was associated with a poor prognosis. Expression of these proteins may be a useful indicator to select optimal therapeutic agents in PanNET.
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Affiliation(s)
- Shota Amano
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan.
- Department of Diagnostic Pathology, Oita University Faculty of Medicine, Oita, Japan.
| | - Teijiro Hirashita
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
| | - Yoko Kawano
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
| | - Haruto Nishida
- Department of Diagnostic Pathology, Oita University Faculty of Medicine, Oita, Japan
| | - Hiroki Orimoto
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
| | - Masahiro Kawamura
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
| | - Takahide Kawasaki
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
- Department of Comprehensive Surgery for Community Medicine, Oita University Faculty of Medicine, Oita, Japan
| | - Takashi Masuda
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
| | - Yuichi Endo
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
| | - Masayuki Ohta
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
- Global Oita Medical Advanced Research Center for Health, Oita University, Oita, Japan
| | - Tsutomu Daa
- Department of Diagnostic Pathology, Oita University Faculty of Medicine, Oita, Japan
| | - Masafumi Inomata
- Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita, 879-5593, Japan
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2
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Liu Y, Tang LL, Liang C, Wu MM, Zhang ZR. Insulin Resistance and Pellino-1 Mediated Decrease in the Activities of Vasodilator Signaling Contributes to Sunitinib-Induced Hypertension. Front Pharmacol 2021; 12:617165. [PMID: 33841146 PMCID: PMC8027079 DOI: 10.3389/fphar.2021.617165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 01/21/2021] [Indexed: 01/10/2023] Open
Abstract
Antiangiogenic tyrosine kinases inhibitors induce hypertension, which may increase the incidents of cardiovascular complications and limit their use. However, the mechanisms by which usage of TKIs results in hypertension have not been fully understood. Here, we report the potential mechanisms of how sunitinib, a widely used TKI, induces hypertension. Male SD rats were randomly divided into control group and sunitinib-administrated group. We show that sunitinib administration for seven days caused a significant increase in artery blood pressure, along with glycerolipid metabolism abnormalities including decreased food intake and low body weight, hypoglycemia, hyperinsulinemia. Sunitinib administration also resulted in a significant increase in the levels of insulin autoantibody (IAA), cyclic adenosine monophosphate and free fatty acid in serum; whereas, sunitinib administration had no effects on serum glucagon levels. Sunitinib led to the decreased insulin sensitivity as determined by insulin tolerance test (ITT) and glucose tolerance test (GTT), reflecting insulin resistance occurred in sunitinib-treated rats. The results obtained from wire myograph assay in the mesenteric arteries show that endothelium-dependent relaxation, but not endothelium-independent relaxation, was impaired by sunitinib. Furthermore, western blot analysis revealed that the expressions levels of phosphorylated IRS-1, Pellino-1, AKT and eNOS were significantly attenuated by sunitinib in rat mesenteric artery tissues and in the sunitinib-treated primary cultured mesenteric artery endothelial cells. The levels of serum and endothelium-derived nitric oxide were also significantly decreased by sunitinib. Moreover, sunitinib-induced decrease in the expression levels of phosphorylated AKT and eNOS was further reduced by knocking down of Pellino-1 in MAECs. Our results suggest that sunitinib causes vascular dysfunction and hypertension, which are associated with insulin resistance- and Pellino-1-mediated inhibition of AKT/eNOS/NO signaling. Our results may provide a rational for preventing and/or treating sunitinib-induced endothelial dysfunction and hypertension.
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Affiliation(s)
- Yang Liu
- Departments of Cardiology and Clinical Pharmacy, Harbin Medical University Cancer Hospital, Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Heilongjiang key laboratory for Metabolic disorder and cancer related cardiovascular diseases, and Key Laboratories of Education Ministry for Myocardial Ischemia Mechanism and Treatment, Harbin, China
| | - Liang-Liang Tang
- Departments of Cardiology and Clinical Pharmacy, Harbin Medical University Cancer Hospital, Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Heilongjiang key laboratory for Metabolic disorder and cancer related cardiovascular diseases, and Key Laboratories of Education Ministry for Myocardial Ischemia Mechanism and Treatment, Harbin, China
| | - Chen Liang
- Departments of Cardiology and Clinical Pharmacy, Harbin Medical University Cancer Hospital, Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Heilongjiang key laboratory for Metabolic disorder and cancer related cardiovascular diseases, and Key Laboratories of Education Ministry for Myocardial Ischemia Mechanism and Treatment, Harbin, China
| | - Ming-Ming Wu
- Departments of Cardiology and Clinical Pharmacy, Harbin Medical University Cancer Hospital, Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Heilongjiang key laboratory for Metabolic disorder and cancer related cardiovascular diseases, and Key Laboratories of Education Ministry for Myocardial Ischemia Mechanism and Treatment, Harbin, China
| | - Zhi-Ren Zhang
- Departments of Cardiology and Clinical Pharmacy, Harbin Medical University Cancer Hospital, Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Heilongjiang key laboratory for Metabolic disorder and cancer related cardiovascular diseases, and Key Laboratories of Education Ministry for Myocardial Ischemia Mechanism and Treatment, Harbin, China.,NHC Key Laboratory of Cell Transplantation, Harbin Medical University, Harbin, China
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3
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Antonio K, Valdez MMN, Mercado-Asis L, Taïeb D, Pacak K. Pheochromocytoma/paraganglioma: recent updates in genetics, biochemistry, immunohistochemistry, metabolomics, imaging and therapeutic options. Gland Surg 2020; 9:105-123. [PMID: 32206603 DOI: 10.21037/gs.2019.10.25] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Pheochromocytomas and paragangliomas (PPGLs), rare chromaffin/neural crest cell tumors, are commonly benign in their clinical presentation. However, there are a number of cases presenting as metastatic and their diagnosis and management becomes a dilemma because of their rarity. PPGLs are constantly evolving entities in the field of endocrinology brought about by endless research and discoveries, especially in genetics. Throughout the years, our knowledge and perception of these tumors and their genetic background has greatly expanded and changed, and each new discovery leads to advancement in the diagnosis, treatment and follow-up of PPGLs. In this review, we discuss the recent updates in the genetics, biochemistry, immunohistochemistry, metabolomics, imaging and treatment options of PPGLs.
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Affiliation(s)
- Karren Antonio
- Section on Medical Neuroendocrinology, The Eunice Kennedy Shriver National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.,Division of Endocrinology, University of Santo Tomas Hospital, Manila, Philippines
| | - Ma Margarita Noreen Valdez
- Section on Medical Neuroendocrinology, The Eunice Kennedy Shriver National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.,Division of Endocrinology, University of Santo Tomas Hospital, Manila, Philippines
| | | | - David Taïeb
- Department of Nuclear Medicine, La Timone University Hospital, CERIMED, Aix-Marseille University, Marseille, France
| | - Karel Pacak
- Section on Medical Neuroendocrinology, The Eunice Kennedy Shriver National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
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4
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Peng S, Zhang J, Tan X, Huang Y, Xu J, Silk N, Zhang D, Liu Q, Jiang J. The VHL/HIF Axis in the Development and Treatment of Pheochromocytoma/Paraganglioma. Front Endocrinol (Lausanne) 2020; 11:586857. [PMID: 33329393 PMCID: PMC7732471 DOI: 10.3389/fendo.2020.586857] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 10/23/2020] [Indexed: 12/21/2022] Open
Abstract
Pheochromocytomas and paragangliomas (PPGLs) are rare neuroendocrine tumors originating from chromaffin cells in the adrenal medulla (PCCs) or extra-adrenal sympathetic or parasympathetic paraganglia (PGLs). About 40% of PPGLs result from germline mutations and therefore they are highly inheritable. Although dysfunction of any one of a panel of more than 20 genes can lead to PPGLs, mutations in genes involved in the VHL/HIF axis including PHD, VHL, HIF-2A (EPAS1), and SDHx are more frequently found in PPGLs. Multiple lines of evidence indicate that pseudohypoxia plays a crucial role in the tumorigenesis of PPGLs, and therefore PPGLs are also known as metabolic diseases. However, the interplay between VHL/HIF-mediated pseudohypoxia and metabolic disorder in PPGLs cells is not well-defined. In this review, we will first discuss the VHL/HIF axis and genetic alterations in this axis. Then, we will dissect the underlying mechanisms in VHL/HIF axis-driven PPGL pathogenesis, with special attention paid to the interplay between the VHL/HIF axis and cancer cell metabolism. Finally, we will summarize the currently available compounds/drugs targeting this axis which could be potentially used as PPGLs treatment, as well as their underlying pharmacological mechanisms. The overall goal of this review is to better understand the role of VHL/HIF axis in PPGLs development, to establish more accurate tools in PPGLs diagnosis, and to pave the road toward efficacious therapeutics against metastatic PPGLs.
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Affiliation(s)
- Song Peng
- Department of Urology, Daping Hospital, Army Medical University, Chongqing, China
| | - Jun Zhang
- Department of Urology, Daping Hospital, Army Medical University, Chongqing, China
| | - Xintao Tan
- Department of Urology, Daping Hospital, Army Medical University, Chongqing, China
| | - Yiqiang Huang
- Department of Urology, Daping Hospital, Army Medical University, Chongqing, China
| | - Jing Xu
- Department of Urology, Daping Hospital, Army Medical University, Chongqing, China
| | - Natalie Silk
- Department of Bio-Medical Sciences, Philadelphia College of Osteopathic Medicine, Philadelphia, PA, United States
| | - Dianzheng Zhang
- Department of Bio-Medical Sciences, Philadelphia College of Osteopathic Medicine, Philadelphia, PA, United States
| | - Qiuli Liu
- Department of Urology, Daping Hospital, Army Medical University, Chongqing, China
- *Correspondence: Jun Jiang, ; Qiuli Liu,
| | - Jun Jiang
- Department of Urology, Daping Hospital, Army Medical University, Chongqing, China
- *Correspondence: Jun Jiang, ; Qiuli Liu,
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5
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Liu Y, Liu L, Zhu F. Therapies targeting the signal pathways of pheochromocytoma and paraganglioma. Onco Targets Ther 2019; 12:7227-7241. [PMID: 31564906 PMCID: PMC6732510 DOI: 10.2147/ott.s219056] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/14/2019] [Indexed: 12/18/2022] Open
Abstract
Pheochromocytoma and paraganglioma (PCC/PGL) are rare tumors that originate from adrenal or extra-adrenal chromaffin cells. A significant clinical manifestation of PCC/PGL is that the tumors release a large number of catecholamines continuously or intermittently, causing persistent or paroxysmal hypertension and multiple organ functions and metabolic disorders. Though majority of the tumors are non-metastatic, about 10% are metastatic tumors. Others even have estimated that the rate of metastasis may be as high as 26%. The disease is most common in individuals ranging from 20 to 50 years old and the age of onset strongly depends on the genetic background: patients with germline mutations in susceptible genes have an earlier presentation. Besides, there are no significant differences in the incidence between men and women. At present, traditional treatments, such as surgical treatment, radionuclide therapy, and chemotherapy are still prior choices. However, they all have several deficiencies so that the effects are not extremely significant. Contemporary studies have shown that hypoxia-associated signal pathway, associated with the cluster 1 genes of PCC/PGL, and increased kinase signal pathways, associated with the cluster 2 genes of PCC/PGL, are the two major pathways involving the molecular pathogenesis of PCC/PGL, indicating that PCC/PGL can be treated with targeted therapies in emerging trends. This article reviews the progress of molecular-targeted therapies for PCC/PGL.
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Affiliation(s)
- Yalin Liu
- Department of Biochemistry and Molecular Biology, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Longfei Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, People’s Republic of China
| | - Feizhou Zhu
- Department of Biochemistry and Molecular Biology, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
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6
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Karnthaler-Benbakka C, Koblmüller B, Mathuber M, Holste K, Berger W, Heffeter P, Kowol CR, Keppler BK. Synthesis, Characterization and in vitro Studies of a Cathepsin B-Cleavable Prodrug of the VEGFR Inhibitor Sunitinib. Chem Biodivers 2018; 16:e1800520. [PMID: 30566287 PMCID: PMC6391952 DOI: 10.1002/cbdv.201800520] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 11/15/2018] [Indexed: 01/08/2023]
Abstract
Since several decades, the prodrug concept has raised considerable interest in cancer research due to its potential to overcome common problems associated with chemotherapy. However, for small‐molecule tyrosine kinase inhibitors, which also cause severe side effects, hardly any strategies to generate prodrugs for therapeutic improvement have been reported so far. Here, we present the synthesis and biological investigation of a cathepsin B‐cleavable prodrug of the VEGFR inhibitor sunitinib. Cell viability assays and Western blot analyses revealed, that, in contrast to the non‐cathepsin B‐cleavable reference compound, the prodrug shows activity comparable to the original drug sunitinib in the highly cathepsin B‐expressing cell lines Caki‐1 and RU‐MH. Moreover, a cathepsin B cleavage assay confirmed the desired enzymatic activation of the prodrug. Together, the obtained data show that the concept of cathepsin B‐cleavable prodrugs can be transferred to the class of targeted therapeutics, allowing the development of optimized tyrosine kinase inhibitors for the treatment of cancer.
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Affiliation(s)
- Claudia Karnthaler-Benbakka
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, AT-1090, Wien
| | - Bettina Koblmüller
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8 A, AT-1090, Wien
| | - Marlene Mathuber
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, AT-1090, Wien
| | - Katharina Holste
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8 A, AT-1090, Wien
| | - Walter Berger
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8 A, AT-1090, Wien.,Research Cluster 'Translational Cancer Therapy Research', University of Vienna and Medical University of Vienna, AT-1090, Wien
| | - Petra Heffeter
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8 A, AT-1090, Wien.,Research Cluster 'Translational Cancer Therapy Research', University of Vienna and Medical University of Vienna, AT-1090, Wien
| | - Christian R Kowol
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, AT-1090, Wien.,Research Cluster 'Translational Cancer Therapy Research', University of Vienna and Medical University of Vienna, AT-1090, Wien
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, AT-1090, Wien.,Research Cluster 'Translational Cancer Therapy Research', University of Vienna and Medical University of Vienna, AT-1090, Wien
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7
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Pang Y, Wang K, Wang Y, Chenlin Z, Lei W, Zhang Y. Tumor-promoting and pro-angiogenic effects of roxarsone via VEGFR2/PLCγ/PKC signaling. Chem Biol Interact 2018; 292:110-120. [PMID: 30028964 DOI: 10.1016/j.cbi.2018.07.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/01/2018] [Accepted: 07/16/2018] [Indexed: 01/21/2023]
Abstract
Roxarsone is an organoarsenic feed additive used in livestock and poultry production that is released into the environment, where it poses a risk to human health. It is known to have a tumor-promoting effect that is brought about by pro-angiogenic factors such as vascular endothelial growth factor (VEGF) and it receptors (VEGFR). However, little information is available about the other signaling molecules that could be involved. This study aims to investigate the role of PLCγ/PKC signaling in roxarsone-induced angiogenesis in a mouse B16-F10 melanoma xenograft model and rat vascular endothelial cells (ECs). Results showed treatment with 5 mg/kg and 25 mg/kg roxarsone resulted in an obvious increase in the weight and volume of B16-F10 xenografts and PLCγ/PKC phosphorylation in a dose-dependent manner in C57BL/6 mice. SU5416, a VEGFR2 inhibitor, significantly attenuated the tumor growth induced by roxarsone. Further, 1.0 μmol/L roxarsone treatment in rat ECs was observed to significantly increase the optical density rate in the MTT assay, the number of BrdU-positive cells in the proliferation assay, the migration distance in the scratch test, and the number of meshes formed in the tube formation assay. In addition, treatment with 1.0 μmol/L roxarsone was associated with significantly higher phosphorylation of PLCγ/PKC than the control treatment. U73122, a PLCγ inhibitor, was found significantly to combat the effects of 1.0 μmol/L roxarsone on the ECs. Roxarsone is capable of promoting the growth of mouse B16-F10 xenografts and tube formation in vascular ECs. Moreover, VEGFR2/PLCγ/PKC signaling may play a regulatory role in in vivo and in vitro roxarsone-induced angiogenesis.
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Affiliation(s)
- Yanhua Pang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China.
| | - Kai Wang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China.
| | - Yujing Wang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Zhongri Chenlin
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Weiwei Lei
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Yumei Zhang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious, Diseases and Zoonoses, Yangzhou, PR China.
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8
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Ardito F, Giuliani M, Perrone D, Troiano G, Lo Muzio L. The crucial role of protein phosphorylation in cell signaling and its use as targeted therapy (Review). Int J Mol Med 2017; 40:271-280. [PMID: 28656226 PMCID: PMC5500920 DOI: 10.3892/ijmm.2017.3036] [Citation(s) in RCA: 713] [Impact Index Per Article: 101.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 05/11/2017] [Indexed: 12/31/2022] Open
Abstract
Protein phosphorylation is an important cellular regulatory mechanism as many enzymes and receptors are activated/deactivated by phosphorylation and dephosphorylation events, by means of kinases and phosphatases. In particular, the protein kinases are responsible for cellular transduction signaling and their hyperactivity, malfunction or overexpression can be found in several diseases, mostly tumors. Therefore, it is evident that the use of kinase inhibitors can be valuable for the treatment of cancer. In this review, we discuss the mechanism of action of phosphorylation, with particular attention to the importance of phosphorylation under physiological and pathological conditions. We also discuss the possibility of using kinase inhibitors in the treatment of tumors.
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Affiliation(s)
- Fatima Ardito
- Department of Clinical and Experimental Medicine, Foggia University, I-71122 Foggia, Italy
| | - Michele Giuliani
- Department of Clinical and Experimental Medicine, Foggia University, I-71122 Foggia, Italy
| | - Donatella Perrone
- Department of Clinical and Experimental Medicine, Foggia University, I-71122 Foggia, Italy
| | - Giuseppe Troiano
- Department of Clinical and Experimental Medicine, Foggia University, I-71122 Foggia, Italy
| | - Lorenzo Lo Muzio
- Department of Clinical and Experimental Medicine, Foggia University, I-71122 Foggia, Italy
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9
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Abdel-Aziz AK, Mantawy EM, Said RS, Helwa R. The tyrosine kinase inhibitor, sunitinib malate, induces cognitive impairment in vivo via dysregulating VEGFR signaling, apoptotic and autophagic machineries. Exp Neurol 2016; 283:129-41. [PMID: 27288242 DOI: 10.1016/j.expneurol.2016.06.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Revised: 05/14/2016] [Accepted: 06/06/2016] [Indexed: 01/29/2023]
Abstract
Chemobrain refers to a cluster of cognitive deficits which affects almost 4-75% of chemotherapy-treated cancer patients. Sunitinib, an FDA-approved multityrosine kinase inhibitor, is currently used in treating different types of tumors. Despite being regarded as targeted therapy which blunts sustained angiogenesis in cancer milieu through inhibiting vascular endothelial growth factor receptor 2 (VEGFR2) signaling, the latter has a cardinal role in cognition. Recent clinical reports warned that sunitinib adversely affected memory processing in cancer patients. Nevertheless, the underlying mechanisms have not been investigated yet. Hence, we explored the impact of a clinically relevant dose of sunitinib on memory processing in vivo and questioned the implication of VEGFR2 signaling, autophagy and apoptosis. Strikingly, sunitinib preferentially impaired spatial cognition as evidenced in Morris water maze, T-maze and passive avoidance task. Consistently, sunitinib degenerated cortical and hippocampal neurons as assessed by histopathological examination and toluidine blue staining. Ultrastructural examination also depicted chromatin condensation, mitochondrial damage and accumulated autophagosomes. Digging deeper, central VEGF/VEGFR2/mTOR signaling was robustly suppressed. Besides, sunitinib boosted cortical and hippocampal p53 and executioner caspase-3 and decreased nuclear factor kappa B and Bcl-2 levels promoting apoptotic cell death. It also profoundly impeded neuronal autophagic flux as shown by decreased beclin-1 and Atg5 and increased p62/SQTSM1 levels. To our knowledge, this is the first study to provide molecular insights into sunitinib-induced chemofog where impeded VEGFR2 signaling and autophagic and hyperactivated apoptotic machineries act in neurodegenerative concert. Importantly, our findings shed light on potential therapeutic strategies to be exploited in the management of sunitinib-induced chemobrain.
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Affiliation(s)
- Amal Kamal Abdel-Aziz
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
| | - Eman M Mantawy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Riham Soliman Said
- National Center for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt
| | - Reham Helwa
- Zoology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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Loss of SDHB Elevates Catecholamine Synthesis and Secretion Depending on ROS Production and HIF Stabilization. Neurochem Res 2015; 41:696-706. [PMID: 26620190 DOI: 10.1007/s11064-015-1738-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 10/10/2015] [Indexed: 12/30/2022]
Abstract
Germline mutations in genes encoding succinate dehydrogenase subunits are associated with the development of familial pheochromocytomas and paragangliomas [hereditary paraganglioma/pheochromocytoma syndrome (HPPS)]. In particular, a mutation in succinate dehydrogenase subunit B (SDHB) is highly associated with abdominal paraganglioma and subsequent distant metastasis (malignant paraganglioma), indicating the importance of SDHB genetic testing. The discovery of HPPS suggests an association among genetic mitochondrial defects, tumor development, and catecholamine oversecretion. To investigate this association, we transfected pheochromocytoma cells (PC12) with SDHB-specific siRNA. SDHB silencing virtually abolished complex II activity, demonstrating the utility of this in vitro model for investigating the pseudo-hypoxic drive hypothesis. Lack of complex II activity resulting from RNA interference of SDHB increased tyrosine hydroxylase (TH; the rate-limiting enzyme in catecholamine biosynthesis) activity and catecholamine secretion. Reduced apoptosis was observed accompanied by Bcl-2 accumulation in PC12 cells, consistent with the phenotypes of paragangliomas with SDHB mutations. In addition, SDHB silencing increased reactive oxygen species (ROS) production and nuclear HIF1α stabilization under normoxic conditions. Furthermore, phenotypes induced by complex II activity knockdown were abolished by pretreatment with N-acetyl cysteine (an ROS scavenger) and by prior HIF1α knockdown, indicating an ROS- and HIF1α-dependent mechanism. Our results indicate that increased ROS may act as signal transduction messengers that induce HIF1α stabilization and may be necessary for the pseudo-hypoxic states observed in our experimental model. To our knowledge, this is the first study demonstrating that pseudo-hypoxic states resulting from SDHB knockdown are associated with increased TH activity and catecholamine oversecretion.
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11
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de Mestier L, Walter T, Brixi H, Lombard-Bohas C, Cadiot G. Sunitinib achieved fast and sustained control of VIPoma symptoms. Eur J Endocrinol 2015; 172:K1-3. [PMID: 25305306 DOI: 10.1530/eje-14-0682] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
VIPomas are rare-functioning neuroendocrine tumors (NETs). Overproduction of vasointestinal peptide (VIP) leads to the Verner-Morrison syndrome, whose management is challenging when refractory to somatostatin analogs. Two patients with progressive metastatic pancreatic NETs and refractory VIPoma symptoms were treated with sunitinib. This led to fast and sustained total relief of VIPoma symptoms, enabling earlier discharge from hospital and improvement in their quality of life. In both cases, sunitinib discontinuation led to the quick recurrence of watery diarrhea, which resolved within a few days after reintroducing sunitinib. The anti-secretory effect of sunitinib on VIPoma syndrome was probably not related to any anti-tumor effect. These observations agree with the rare reported cases of anti-secretory effects with targeted therapies. The sunitinib-driven inhibition of multiple-tyrosine kinase receptors might act on secretory pathways and describe sunitinib's ability to improve VIPoma symptoms. Sunitinib could be a therapeutic option to control refractory VIPoma symptoms in patients with NETs.
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Affiliation(s)
- Louis de Mestier
- Department of Hepato-Gastroenterology and Digestive OncologyHôpital Robert Debré, Boulevard du Général Koenig, 51100 Reims Cedex, FranceDepartment of Gastroenterology and Digestive OncologyHospices Civils de Lyon, Hôpital Edouard Herriot, Lyon, France
| | - Thomas Walter
- Department of Hepato-Gastroenterology and Digestive OncologyHôpital Robert Debré, Boulevard du Général Koenig, 51100 Reims Cedex, FranceDepartment of Gastroenterology and Digestive OncologyHospices Civils de Lyon, Hôpital Edouard Herriot, Lyon, France
| | - Hedia Brixi
- Department of Hepato-Gastroenterology and Digestive OncologyHôpital Robert Debré, Boulevard du Général Koenig, 51100 Reims Cedex, FranceDepartment of Gastroenterology and Digestive OncologyHospices Civils de Lyon, Hôpital Edouard Herriot, Lyon, France
| | - Catherine Lombard-Bohas
- Department of Hepato-Gastroenterology and Digestive OncologyHôpital Robert Debré, Boulevard du Général Koenig, 51100 Reims Cedex, FranceDepartment of Gastroenterology and Digestive OncologyHospices Civils de Lyon, Hôpital Edouard Herriot, Lyon, France
| | - Guillaume Cadiot
- Department of Hepato-Gastroenterology and Digestive OncologyHôpital Robert Debré, Boulevard du Général Koenig, 51100 Reims Cedex, FranceDepartment of Gastroenterology and Digestive OncologyHospices Civils de Lyon, Hôpital Edouard Herriot, Lyon, France
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12
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Otoukesh S, Cooper CJ, Lou W, Mojtahedzadeh M, Nasrazadani A, Wampler M, Nahleh Z. Combination chemotherapy regimen in a patient with metastatic malignant pheochromocytoma and neurofibromatosis type 1. AMERICAN JOURNAL OF CASE REPORTS 2014; 15:123-7. [PMID: 24711885 PMCID: PMC3976214 DOI: 10.12659/ajcr.890181] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 01/03/2013] [Indexed: 12/05/2022]
Abstract
Patient: Female, 55 Final Diagnosis: Metastatic malignant pheochromocytoma Symptoms: Chest pain • tachycardia • tachypnea Medication: — Clinical Procedure: — Specialty: Oncology
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Affiliation(s)
- Salman Otoukesh
- Department of Internal Medicine, Texas Tech University Health Sciences Center, El Paso, TX, U.S.A
| | - Chad J Cooper
- Department of Internal Medicine, Texas Tech University Health Sciences Center, El Paso, TX, U.S.A
| | - Wynee Lou
- Department of Internal Medicine, Texas Tech University Health Sciences Center, El Paso, TX, U.S.A
| | - Mona Mojtahedzadeh
- Department of Neuroscience Research Center, Texas Tech University Health Sciences Center, El Paso, TX, U.S.A
| | - Azadeh Nasrazadani
- Department of Internal Medicine, Texas Tech University Health Sciences Center, El Paso, TX, U.S.A
| | - Mallory Wampler
- Department of Internal Medicine, Texas Tech University Health Sciences Center, El Paso, TX, U.S.A
| | - Zenia Nahleh
- Department of Internal Medicine, Texas Tech University Health Sciences Center, El Paso, TX, U.S.A
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13
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Cai WK, Hu J, Li T, Meng JR, Ma X, Yin SJ, Zhao CH, He GH, Xu GL. Activation of histamine H4 receptors decreases epithelial-to-mesenchymal transition progress by inhibiting transforming growth factor-β1 signalling pathway in non-small cell lung cancer. Eur J Cancer 2014; 50:1195-206. [PMID: 24447834 DOI: 10.1016/j.ejca.2013.12.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 10/30/2013] [Accepted: 12/27/2013] [Indexed: 12/12/2022]
Abstract
Previous investigations found that epithelial-to-mesenchymal transition (EMT) was an important character of non-small cell lung cancer (NSCLC) and it was also suggested that histamine H4 receptors may have a role in preventing EMT progress in certain kind of tumours. However, the effect of H4 receptor activation on EMT progress of NSCLC and its potential mechanisms remain unclear. Therefore, we performed both in vitro and in vivo experiments to explore the effects of specific H4 receptor agonist 4-methylhistamine and antagonist JNJ7777120 on EMT progress. We showed the expression of H4 receptors in NSCLC and found that 4-methylhistamine increased the expression of the epithelial marker E-cadherin and decreased the expression of Vimentin, the mesenchymal marker, in both NSCLC cell lines and xenograft NSCLC tumours. Pretreatment with JNJ7777120 or H4 receptor gene silencing decreased while overexpression of H4 receptors facilitated this effect of 4-methylhistamine. Furthermore, we showed that down-regulation of cyclic adenosine monophosphate (cAMP) was the secondary signalling after H4 receptor activation, which in turn resulted in inactivation of transforming growth factor-β1 (TGF-β1) pathway and down-regulation of several important EMT inducing factors such as ZEB1, Snail and Slug. In conclusion, these findings revealed the anti-EMT effect of histamine H4 receptor activation in NSCLC, which provide novel insight into the development mechanism of NSCLC; and H4 receptors may be a new therapeutic target for NSCLC treatment.
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Affiliation(s)
- Wen-Ke Cai
- Department of Pharmacy, Kunming General Hospital of Chengdu Military Region, Kunming, China; Department of Cardio-Thoracic Surgery, Kunming General Hospital of Chengdu Military Region, Kunming, China
| | - Jing Hu
- Experiment Teaching Center of Basic Medicine, The Fourth Military Medical University, Xi'an, China; Department of Histology and Embryology, The Fourth Military Medical University, Xi'an, China
| | - Teng Li
- Department of Histology and Embryology, The Fourth Military Medical University, Xi'an, China
| | - Jing-Ru Meng
- Department of Pharmacology, The Fourth Military Medical University, Xi'an, China
| | - Xue Ma
- Department of Pharmacology, The Fourth Military Medical University, Xi'an, China
| | - Sun-Jun Yin
- Department of Pharmacy, Kunming General Hospital of Chengdu Military Region, Kunming, China
| | - Can-Hu Zhao
- Department of Pharmacy, Kunming General Hospital of Chengdu Military Region, Kunming, China
| | - Gong-Hao He
- Department of Pharmacy, Kunming General Hospital of Chengdu Military Region, Kunming, China.
| | - Gui-Li Xu
- Department of Pharmacy, Kunming General Hospital of Chengdu Military Region, Kunming, China.
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14
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Martucci VL, Pacak K. Pheochromocytoma and paraganglioma: diagnosis, genetics, management, and treatment. Curr Probl Cancer 2014; 38:7-41. [PMID: 24636754 DOI: 10.1016/j.currproblcancer.2014.01.001] [Citation(s) in RCA: 115] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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15
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Fishbein L, Cohen DL. Systemic Therapies for Malignant Pheochromocytoma and Paraganglioma Can Exacerbate Hypertension. J Clin Hypertens (Greenwich) 2013; 15:513-4. [DOI: 10.1111/jch.12106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Lauren Fishbein
- Division of Endocrinology, Diabetes and Metabolism; Department of Medicine; University of Pennsylvania Perelman School of Medicine; Philadelphia PA 19104 USA
| | - Debbie L. Cohen
- Renal and Hypertension Division; Department of Medicine; University of Pennsylvania Perelman School of Medicine; Philadelphia PA 19104 USA
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