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Greene CJ, Attwood K, Sharma NJ, Balderman B, Deng R, Muhitch JB, Smith GJ, Gross KW, Xu B, Kauffman EC. Iron accumulation typifies renal cell carcinoma tumorigenesis but abates with pathological progression, sarcomatoid dedifferentiation, and metastasis. Front Oncol 2022; 12:923043. [PMID: 35992801 PMCID: PMC9389085 DOI: 10.3389/fonc.2022.923043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 06/29/2022] [Indexed: 11/13/2022] Open
Abstract
Iron is a potent catalyst of oxidative stress and cellular proliferation implicated in renal cell carcinoma (RCC) tumorigenesis, yet it also drives ferroptosis that suppresses cancer progression and represents a novel therapeutic target for advanced RCC. The von Hippel Lindau (VHL)/hypoxia-inducible factor-α (HIF-α) axis is a major regulator of cellular iron, and its inactivation underlying most clear cell (cc) RCC tumors introduces both iron dependency and ferroptosis susceptibility. Despite the central role for iron in VHL/HIF-α signaling and ferroptosis, RCC iron levels and their dynamics during RCC initiation/progression are poorly defined. Here, we conducted a large-scale investigation into the incidence and prognostic significance of total tissue iron in ccRCC and non-ccRCC patient primary tumor cancer cells, tumor microenvironment (TME), metastases and non-neoplastic kidneys. Prussian Blue staining was performed to detect non-heme iron accumulation in over 1600 needle-core sections across multiple tissue microarrays. We found that RCC had significantly higher iron staining scores compared with other solid cancers and, on average, >40 times higher than adjacent renal epithelium. RCC cell iron levels correlated positively with TME iron levels and inversely with RCC levels of the main iron uptake protein, transferrin receptor 1 (TfR1/TFRC/CD71). Intriguingly, RCC iron levels, including in the TME, decreased significantly with pathologic (size/stage/grade) progression, sarcomatoid dedifferentiation, and metastasis, particularly among patients with ccRCC, despite increasing TfR1 levels, consistent with an increasingly iron-deficient tumor state. Opposite to tumor iron changes, adjacent renal epithelial iron increased significantly with RCC/ccRCC progression, sarcomatoid dedifferentiation, and metastasis. Lower tumor iron and higher renal epithelial iron each predicted significantly shorter ccRCC patient metastasis-free survival. In conclusion, iron accumulation typifies RCC tumors but declines toward a relative iron-deficient tumor state during progression to metastasis, despite precisely opposite dynamics in adjacent renal epithelium. These findings raise questions regarding the historically presumed selective advantage for high iron during all phases of cancer evolution, suggesting instead distinct tissue-specific roles during RCC carcinogenesis and early tumorigenesis versus later progression. Future study is warranted to determine how the relative iron deficiency of advanced RCC contributes to ferroptosis resistance and/or introduces a heightened susceptibility to iron deprivation that might be therapeutically exploitable.
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Affiliation(s)
- Christopher J. Greene
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
- Department of Biological Sciences, University at Buffalo, Buffalo, NY, United States
| | - Kristopher Attwood
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Nitika J. Sharma
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Benjamin Balderman
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Rongia Deng
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Jason B. Muhitch
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Gary J. Smith
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Kenneth W. Gross
- Department of Molecular and Cellular Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Bo Xu
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Eric C. Kauffman
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
- Department of Cancer Genetics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
- *Correspondence: Eric C. Kauffman,
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Xu W, Liu R, Dai Y, Hong S, Dong H, Wang H. The Role of p38γ in Cancer: From review to outlook. Int J Biol Sci 2021; 17:4036-4046. [PMID: 34671218 PMCID: PMC8495394 DOI: 10.7150/ijbs.63537] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 09/16/2021] [Indexed: 01/20/2023] Open
Abstract
p38γ is a member of the p38 Mitogen Activated Protein Kinases (p38 MAPKs). It contains four subtypes in mammalian cells encoded by different genes including p38α (MAPK14), p38β (MAPK11), p38γ (MAPK12), and p38δ (MAPK13). Recent studies revealed that p38γ may exhibit a crucial role in tumorigenesis and cancer aggressiveness. Despite the large number of published literatures, further researches are demanded to clarify its role in cancer development, the tissue-specific function and associated novel treatment strategies. In this article, we provide the latest view on the connection between p38γ and malignant tumors, highlighting the function of p38γ. The clinical value of p38γ is also discussed, helping the translation into the remarkable therapeutic strategy in tumor diseases.
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Affiliation(s)
- Wentao Xu
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China.,First Clinical Medical College of Anhui Medical University, Hefei, 230032, Anhui, China
| | - Rui Liu
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China
| | - Ying Dai
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China
| | - Shaocheng Hong
- First Clinical Medical College of Anhui Medical University, Hefei, 230032, Anhui, China
| | - Huke Dong
- First Clinical Medical College of Anhui Medical University, Hefei, 230032, Anhui, China
| | - Hua Wang
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, 230032, Anhui, China
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Pariente-Pérez T, Aguilar-Alonso F, Solano JD, Vargas-Olvera C, Curiel-Muñiz P, Mendoza-Rodríguez CA, Tenorio-Hernández D, Ibarra-Rubio ME. Differential behavior of NF-κB, IκBα and EGFR during the renal carcinogenic process in an experimental model in vivo. Oncol Lett 2020; 19:3153-3164. [PMID: 32256811 PMCID: PMC7074249 DOI: 10.3892/ol.2020.11436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 12/03/2019] [Indexed: 11/16/2022] Open
Abstract
Renal cell carcinoma (RCC) is the most common type of cancer of the adult kidney. It is generally asymptomatic even at advanced stages, so opportune diagnosis is rare, making it almost impossible to study this cancer at its early stages. RCC tumors induced by ferric nitrilotriacetate (FeNTA) in rats histologically correspond to the human clear cell RCC subtype (ccRCC) and the exposure to this carcinogen during either one or two months leads to different early stages of neoplastic development. High levels of nuclear factor kappa B (NF-κB) and epidermal growth factor receptor (EGFR) as well as low levels of NF-κB inhibitor alpha (IκBα) are frequent in human RCC, but their status in FeNTA-induced tumors and their evolution along renal carcinogenesis is unclear. On this basis, in the present study NF-κB, IκBα and EGFR behavior was analyzed at different stages of the experimental renal carcinogenesis model. Similar to patients with RCC, neoplastic tissue showed high levels of p65, one of the predominant subunits of NF-κB in ccRCC and of EGFR (protein and mRNA), as well as a decrease in the levels of NF-κB's main inhibitor, IκBα, resulting in a classic oncogenic combination. Conversely, different responses were observed at early stages of carcinogenesis. After one month of FeNTA-exposure, NF-κB activity and EGFR levels augmented; but unexpectedly, IκBα also did. While after two months, NF-κB activity diminished, but EGFR and IκBα levels remained elevated. In conclusion, FeNTA-induced tumors and RCC human neoplasms are analogues regarding to the classic NF-κB, IκBα and EGFR behavior, and distinctive non-conventional combination of changes is developed at each early stage studied. The results obtained suggest that the dysregulation of the analyzed molecules could be related to different signaling pathways and therefore, to particular effects depending on the phase of the carcinogenic process.
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Affiliation(s)
- Telma Pariente-Pérez
- Biology Department, Faculty of Chemistry, Laboratory F-225, National Autonomous University of Mexico, CDMX 04510, Mexico
| | - Francisco Aguilar-Alonso
- Biology Department, Faculty of Chemistry, Laboratory F-225, National Autonomous University of Mexico, CDMX 04510, Mexico
| | - José Dolores Solano
- Biology Department, Faculty of Chemistry, Laboratory F-225, National Autonomous University of Mexico, CDMX 04510, Mexico
| | - Chabetty Vargas-Olvera
- Biology Department, Faculty of Chemistry, Laboratory F-225, National Autonomous University of Mexico, CDMX 04510, Mexico
| | - Patricia Curiel-Muñiz
- Biology Department, Faculty of Chemistry, Laboratory F-225, National Autonomous University of Mexico, CDMX 04510, Mexico
| | | | - Daniela Tenorio-Hernández
- Biology Department, Faculty of Chemistry, Laboratory F-225, National Autonomous University of Mexico, CDMX 04510, Mexico
| | - María Elena Ibarra-Rubio
- Biology Department, Faculty of Chemistry, Laboratory F-225, National Autonomous University of Mexico, CDMX 04510, Mexico
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Rashid S, Nafees S, Vafa A, Afzal SM, Ali N, Rehman MU, Hasan SK, Siddiqi A, Barnwal P, Majed F, Sultana S. Inhibition of precancerous lesions development in kidneys by chrysin via regulating hyperproliferation, inflammation and apoptosis at pre clinical stage. Arch Biochem Biophys 2016; 606:1-9. [PMID: 27403965 DOI: 10.1016/j.abb.2016.07.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 07/03/2016] [Accepted: 07/04/2016] [Indexed: 12/13/2022]
Abstract
Chrysin (CH) is natural, biologically active compound, belongs to flavoniod family and possesses diverse pharmacological activities as anti-inflammatory, anti-oxidant and anti-cancer. It is found in many plants, honey and propolis. In the present study, we investigated the chemopreventive efficacy of CH against N-nitrosodiethylamine (DEN) initiated and Fe-NTA induced precancerous lesions and its role in regulating oxidative injury, hyperproliferation, tumor incidences, histopathological alterations, inflammation, and apoptosis in the kidneys of Wistar rats. Renal cancer was initiated by single intraperitoneal (i.p.) injection of DEN (200 mg/kg bw) and promoted by twice weekly injection of ferric nitrilotriacetate (Fe-NTA) 9 mg Fe/kg bw for 16 weeks. CH attenuated Fe-NTA enhanced renal lipid peroxidation, serum toxicity markers and restored renal anti oxidant armory significantly. CH supplementation suppressed the development of precancerous lesions via down regulation of cell proliferation marker like PCNA; inflammatory mediators like TNF-α, IL-6, NFkB, COX-2, iNOS; tumor incidences. CH up regulated intrinsic apoptotic pathway proteins like bax, caspase-9 and caspase-3 along with down regulation of Bcl-2 triggering apoptosis. Histopathological and ultra structural alterations further confirmed biochemical and immunohistochemical results. These results provide powerful evidence for the chemopreventive efficacy of CH against chemically induced renal carcinogenesis possibly by modulation of multiple molecular pathways.
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Affiliation(s)
- Summya Rashid
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Sana Nafees
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Abul Vafa
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Shekh Muhammad Afzal
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Nemat Ali
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Muneeb U Rehman
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Syed Kazim Hasan
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Aisha Siddiqi
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Preeti Barnwal
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Ferial Majed
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Sarwat Sultana
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India.
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