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Gutkin DW, Shurin MR, El Azher MA, Shurin GV, Velikokhatnaya L, Prosser D, Shin N, Modugno F, Stemmer P, Elishaev E, Lokshin A. Novel protein and immune response markers of human serous tubal intraepithelial carcinoma of the ovary. Cancer Biomark 2020; 26:471-479. [PMID: 31658047 DOI: 10.3233/cbm-190528] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Ovarian cancer is the leading cause of death among gynecologic diseases in the USA and Europe. High-grade serous carcinoma (HGSC) of the ovary, the most aggressive type of ovarian cancer, is typically diagnosed at advanced stages when the 5-year survival is dismal. Since the cure rate for stage I HGSC is high, early detection of localized initial disease may improve patient outcomes. Serous tubal intraepithelial carcinoma (STIC) is considered to be a precursor lesion of HGSC. Discovery of biomarkers associated with STIC could aid in the development of an HGSC screening algorithm. Using immunohistochemical staining, we have demonstrated overexpression of UCHL1, ADAMTS13, and GAPDH in patients' STIC lesions, but not in cancer-free fallopian tubes. We additionally demonstrated a marked increase of T cells in perineoplastic stroma surrounding STIC lesions (largely CD4 + cells), but not in normal fallopian tubes and HGSC. FOXP3 + T regulatory cells are absent in STIC lesions but are present in HGSC. These observations indicate the microenvironment surrounding a STIC lesion may be immune promoting in contrast to the immune suppressive microenvironment of invasive carcinoma. In summary, we have identified UCHL1, ADAMTS13, and GAPDH as novel potentially useful markers associated with early stages of HGSC tumorigenesis and possibly contribute to STIC immunogenicity. The lack of immune suppression in the STIC microenvironment indicates that the immune system can still recognize and keep STIC controlled at this stage of the tumor development.
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Affiliation(s)
- Dmitriy W Gutkin
- Departments of Pathology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Michael R Shurin
- Departments of Pathology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA.,Departments of Immunology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Mounia Alaoui El Azher
- Departments of Medicine, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Galina V Shurin
- Departments of Immunology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Liudmila Velikokhatnaya
- Departments of Medicine, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Denise Prosser
- Departments of Medicine, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Namhee Shin
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Francesmary Modugno
- Departments of Obstetrics and Gynecology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Paul Stemmer
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Esther Elishaev
- Departments of Obstetrics and Gynecology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
| | - Anna Lokshin
- Departments of Pathology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA.,Departments of Medicine, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA.,Departments of Obstetrics and Gynecology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA
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Caruso JA, Carruthers N, Shin N, Gill R, Stemmer PM, Rosenspire A. Mercury alters endogenous phosphorylation profiles of SYK in murine B cells. BMC Immunol 2017; 18:37. [PMID: 28716125 PMCID: PMC5514489 DOI: 10.1186/s12865-017-0221-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 07/07/2017] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Epidemiological evidence and animal models suggest that exposure to low and non-neurotoxic concentrations of mercury may contribute to idiosyncratic autoimmune disease. Since defects in function and signaling in B cells are often associated with autoimmunity, we investigated whether mercury exposure might alter B cell responsiveness to self-antigens by interfering with B cell receptor (BCR) signal transduction. In this study we determined the effects of mercury on the protein tyrosine kinase SYK, a critical protein involved in regulation of the BCR signaling pathway. METHODS Phosphorylation sites of murine SYK were mapped before and after treatment of WEHI cell cultures with mercury, or with anti-IgM antibody (positive control) or pervanadate (a potent phosphatase inhibitor). Phosphopeptides were enriched by either titanium dioxide chromatography or anti-phosphotyrosine immunoaffinity, and analyzed by liquid chromatography-mass spectrometry. Select SYK phosphosite cluster regions were profiled for responsiveness to treatments using multiple reaction monitoring (MRM) methodology. RESULTS A total of 23 phosphosites were identified with high probability in endogenous SYK, including 19 tyrosine and 4 serine residues. For 10 of these sites phosphorylation levels were increased following BCR activation. Using MRM to profile changes in phosphorylation status we found that 4 cluster regions, encompassing 8 phosphosites, were activated by mercury and differentially responsive to all 3 treatments. Phosphorylation of tyrosine-342 and -346 residues were most sensitive to mercury exposure. This cluster is known to propagate normal BCR signal transduction by recruiting adaptor proteins such as PLC-γ and Vav-1 to SYK during formation of the BCR signalosome. CONCLUSIONS Our data shows that mercury alters the phosphorylation status of SYK on tyrosine sites known to have a role in promoting BCR signals. Considering the importance of SYK in the BCR signaling pathway, these data suggest that mercury can alter BCR signaling in B cells, which might affect B cell responsiveness to self-antigen and have implications with respect to autoimmunity and autoimmune disease.
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Affiliation(s)
- Joseph A Caruso
- Institute of Environmental Health Sciences, Center for Urban Responses to Environmental Stressors (CURES), Wayne State University, Detroit, MI, 48201, USA.
| | - Nicholas Carruthers
- Institute of Environmental Health Sciences, Center for Urban Responses to Environmental Stressors (CURES), Wayne State University, Detroit, MI, 48201, USA
| | - Namhee Shin
- Institute of Environmental Health Sciences, Center for Urban Responses to Environmental Stressors (CURES), Wayne State University, Detroit, MI, 48201, USA
| | - Randal Gill
- Department of Immunology and Microbiology, Center for Urban Responses to Environmental Stressors (CURES), Wayne State University, Detroit, MI, 48201, USA
| | - Paul M Stemmer
- Institute of Environmental Health Sciences, Center for Urban Responses to Environmental Stressors (CURES), Wayne State University, Detroit, MI, 48201, USA
| | - Allen Rosenspire
- Department of Immunology and Microbiology, Center for Urban Responses to Environmental Stressors (CURES), Wayne State University, Detroit, MI, 48201, USA
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Dzinic SH, Kaplun A, Li X, Bernardo M, Meng Y, Dean I, Krass D, Stemmer P, Shin N, Lonardo F, Sheng S. Identification of an intrinsic determinant critical for maspin subcellular localization and function. PLoS One 2013; 8:e74502. [PMID: 24278104 PMCID: PMC3837015 DOI: 10.1371/journal.pone.0074502] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Accepted: 08/02/2013] [Indexed: 12/28/2022] Open
Abstract
Maspin, a multifaceted tumor suppressor, belongs to the serine protease inhibitor superfamily, but only inhibits serine protease-like enzymes such as histone deacetylase 1 (HDAC1). Maspin is specifically expressed in epithelial cells and it is differentially regulated during tumor progression. A new emerging consensus suggests that a shift in maspin subcellular localization from the nucleus to the cytoplasm stratifies with poor cancer prognosis. In the current study, we employed a rational mutagenesis approach and showed that maspin reactive center loop (RCL) and its neighboring sequence are critical for maspin stability. Further, when expressed in multiple tumor cell lines, single point mutation of Aspartate(346) (D(346)) to Glutamate (E(346)), maspin(D346E), was predominantly nuclear, whereas wild type maspin (maspin(WT)) was both cytoplasmic and nuclear. Evidence from cellular fractionation followed by immunological and proteomic protein identification, combined with the evidence from fluorescent imaging of endogenous proteins, fluorescent protein fusion constructs, as well as bimolecular fluorescence complementation (BiFC) showed that the increased nuclear enrichment of maspin(D346E) was, at least in part, due to its increased affinity to HDAC1. Maspin(D346E) was also more potent than maspin(WT) as an HDAC inhibitor. Taken together, our evidence demonstrates that D(346) is a critical cis-element in maspin sequence that determines the molecular context and subcellular localization of maspin. A mechanistic model derived from our evidence suggests a new window of opportunity for the development of maspin-based biologically competent HDAC inhibitors for cancer treatment.
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Affiliation(s)
- Sijana H. Dzinic
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Tumor and Microenvironment Program of the Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States of America
| | - Alexander Kaplun
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Tumor and Microenvironment Program of the Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States of America
| | - Xiaohua Li
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Tumor and Microenvironment Program of the Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States of America
| | - Margarida Bernardo
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Tumor and Microenvironment Program of the Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States of America
| | - Yonghong Meng
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
| | - Ivory Dean
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Tumor and Microenvironment Program of the Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States of America
| | - David Krass
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Tumor and Microenvironment Program of the Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States of America
| | - Paul Stemmer
- The Institute of Environmental Health Sciences, Proteomics Core Facility, Wayne State University, Detroit, Michigan, United States of America
| | - Namhee Shin
- The Institute of Environmental Health Sciences, Proteomics Core Facility, Wayne State University, Detroit, Michigan, United States of America
| | - Fulvio Lonardo
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Institute of Environmental Health Sciences, Proteomics Core Facility, Wayne State University, Detroit, Michigan, United States of America
| | - Shijie Sheng
- Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- The Tumor and Microenvironment Program of the Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, United States of America
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Anwar M, Lupo J, Molinaro A, Clarke J, Butowski N, Prados M, Chang S, HaasKogan D, Nelson S, Ashman J, Drazkowski J, Zimmerman R, Lidner T, Giannini C, Porter A, Patel N, Atean I, Shin N, Toltz A, Laude C, Freeman C, Seuntjens J, Roberge D, Back M, Kastelan M, Guo L, Wheeler H, Beauchesne P, Faure G, Noel G, Schmitt T, Martin L, Jadaud E, Carnin C, Bowers J, Bennion N, Lomas H, Spencer K, Richardson M, McAllister W, Sheehan J, Schlesinger D, Kersh R, Brower J, Gans S, Hartsell W, Goldman S, Chang JHC, Mohammed N, Siddiqui M, Gondi V, Christensen E, Klawikowski S, Garg A, McAleer M, Rhines L, Yang J, Brown P, Chang E, Settle S, Ghia A, Edson M, Fuller GN, Allen P, Li J, Garsa A, Badiyan S, Simpson J, Dowling J, Rich K, Chicoine M, Leuthardt E, Kim A, Robinson C, Gill B, Peskorski D, Lalonde R, Huq MS, Flickinger J, Graff A, Clerkin P, Smith H, Isaak R, Dinh J, Grosshans D, Allen P, de Groot J, McGovern S, McAleer M, Gilbert M, Brown P, Mahajan A, Gupta T, Mohanty S, Kannan S, Jalali R, Hardie J, Laack N, Kizilbash S, Buckner J, Giannini C, Uhm J, Parney I, Jenkins R, Decker P, Voss J, Hiramatsu R, Kawabata S, Furuse M, Niyatake SI, Kuroiwa T, Suzuki M, Ono K, Hobbs C, Vallow L, Peterson J, Jaeckle K, Heckman M, Bhupendra R, Horowitz D, Wuu CS, Feng W, Drassinower D, Lasala A, Lassman A, Wang T, Indelicato D, Rotondo R, Bradley J, Sandler E, Aldana P, Mendenhall N, Marcus R, Kabarriti R, Mourad WF, Mejia DM, Glanzman J, Patel S, Young R, Bernstein M, Hong L, Fox J, LaSala P, Kalnicki S, Garg M, Khatua S, Hou P, Wolff J, Hamilton J, Zaky W, Mahajan A, Ketonen L, Kim SH, Lee SR, Ji, Oh Y, Krishna U, Shah N, Pathak R, Gupta T, Lila A, Menon P, Goel A, Jalali R, Lall R, Lall R, Smith T, Schumacher A, McCaslin A, Kalapurakal J, Chandler J, Magnuson W, Robins HI, Mohindra P, Howard S, Mahajan A, Manfredi D, Rogers CL, Palmer M, Hillebrandt E, Bilton S, Robinson G, Velasco K, Mehta M, McGregor J, Grecula J, Ammirati M, Pelloski C, Lu L, Gupta N, Bell S, Moller S, Law I, Rosenschold PMA, Costa J, Poulsen HS, Engelholm SA, Morrison A, Cuglievan B, Khatib Z, Mourad WF, Kabarriti R, Young R, Santiago T, Blakaj DM, Welch M, Graber J, Patel S, Hong LX, Patel A, Tandon A, Bernstein MB, Shourbaji RA, Glanzman J, Kinon MD, Fox JL, Lasala P, Kalnicki S, Garg MK, Nicholas S, Salvatori R, Lim M, Redmond K, Quinones A, Gallia G, Rigamonti D, Kleinberg L, Patel S, Mourad W, Young R, Kabarriti R, Santiago T, Glanzman J, Bernstein M, Patel A, Yaparpalvi R, Hong L, Fox J, LaSala P, Kalnicki S, Garg M, Redmond K, Mian O, Degaonkar M, Sair H, Terezakis S, Kleinberg L, McNutt T, Wharam M, Mahone M, Horska A, Rezvi U, Melian E, Surucu M, Mescioglu I, Prabhu V, Clark J, Anderson D, Robbins J, Yechieli R, Ryu S, Ruge MI, Suchorska B, Hamisch C, Mahnkopf K, Lehrke R, Treuer H, Sturm V, Voges J, Sahgal A, Al-Omair A, Masucci L, Masson-Cote L, Atenafu E, Letourneau D, Yu E, Rampersaud R, Lewis S, Yee A, Thibault I, Fehlings M, Shi W, Palmer J, Li J, Kenyon L, Glass J, Kim L, Werner-wasik M, Andrews D, Susheela S, Revannasiddaiah S, Muzumder S, Mallarajapatna G, Basavalingaiah A, Gupta M, Kallur K, Hassan M, Bilimagga R, Tamura K, Aoyagi M, Ando N, Ogishima T, Yamamoto M, Ohno K, Maehara T, Xu Z, Vance ML, Schlesinger D, Sheehan J, Young R, Blakaj D, Kinon MD, Mourad W, LaSala PA, Hong L, Kalnicki S, Garg M, Young R, Mourad W, Patel S, Fox J, LaSala PA, Hong L, Graber JJ, Santiago T, Kalnicki S, Garg M, Zimmerman AL, Vogelbaum MA, Barnett GH, Murphy ES, Suh JH, Angelov L, Reddy CA, Chao ST. RADIATION THERAPY. Neuro Oncol 2013; 15:iii178-iii188. [PMCID: PMC3823902 DOI: 10.1093/neuonc/not187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023] Open
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