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Yamaguchi M. Regucalcin Is a Potential Regulator in Human Cancer: Aiming to Expand into Cancer Therapy. Cancers (Basel) 2023; 15:5489. [PMID: 38001749 PMCID: PMC10670417 DOI: 10.3390/cancers15225489] [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: 09/27/2023] [Revised: 10/24/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Regucalcin, a calcium-binding protein lacking the EF-hand motif, was initially discovered in 1978. Its name is indicative of its function in calcium signaling regulation. The rgn gene encodes for regucalcin and is situated on the X chromosome in both humans and vertebrates. Regucalcin regulates pivotal enzymes involved in signal transduction and has an inhibitory function, which includes protein kinases, protein phosphatases, cysteinyl protease, nitric oxide dynthetase, aminoacyl-transfer ribonucleic acid (tRNA) synthetase, and protein synthesis. This cytoplasmic protein is transported to the nucleus where it regulates deoxyribonucleic acid and RNA synthesis as well as gene expression. Overexpression of regucalcin inhibits proliferation in both normal and cancer cells in vitro, independent of apoptosis. During liver regeneration in vivo, endogenous regucalcin suppresses cell growth when overexpressed. Regucalcin mRNA and protein expressions are significantly downregulated in tumor tissues of patients with various types of cancers. Patients exhibiting upregulated regucalcin in tumor tissue have shown prolonged survival. The decrease of regucalcin expression is linked to the advancement of cancer. Overexpression of regucalcin carries the potential for preventing and treating carcinogenesis. Additionally, extracellular regucalcin has displayed control over various types of human cancer cells. Regucalcin may hold a prominent role as a regulatory factor in cancer development. Supplying the regucalcin gene could prove to be a valuable asset in cancer treatment. The therapeutic value of regucalcin suggests its potential significance in treating cancer patients. This review delves into the most recent research on the regulatory role of regucalcin in human cancer development, providing a novel approach for treatment.
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Affiliation(s)
- Masayoshi Yamaguchi
- Cancer Biology Program, University of Hawaii Cancer Center, University of Hawaii at Manoa, 701 Ilalo Street, Hawaii, HI 96813, USA
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2
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Bennion KB, Tariq M, Wyatt MM, Duneton C, Baecher KM, Paulos CM, Kudchadkar RR, Lowe MC, Ford ML. FcγRIIB expressed on CD8 + T cells limits responsiveness to PD-1 checkpoint inhibition in cancer. Sci Transl Med 2023; 15:eadd1868. [PMID: 37611081 DOI: 10.1126/scitranslmed.add1868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 07/26/2023] [Indexed: 08/25/2023]
Abstract
Checkpoint inhibition using Fc-containing monoclonal antibodies has emerged as a powerful therapeutic approach to augment antitumor immunity. We recently showed that FcγRIIB, the only inhibitory IgG-Fc receptor, is expressed on a population of highly differentiated effector CD8+ T cells in the tumors of mice and humans, raising the possibility that CD8+ T cell responses may be directly modulated by checkpoint inhibitor binding to T cell-expressed FcγRIIB. Here, we show that despite exhibiting strong proliferative and cytokine responses at baseline, human FcγRIIBpos CD8+ T cells exhibited reduced responsiveness to both PD-1 and CTLA-4 checkpoint inhibition as compared with FcγRIIBneg CD8+ T cells in vitro. Moreover, frequencies of FcγRIIBpos CD8+ T cells were reduced after treatment of patients with melanoma with nivolumab in vivo. This reduced responsiveness was FcγRIIB dependent, because conditional genetic deletion of FcγRIIB on tumor-specific CD8+ T cells improved response to checkpoint blockade in B16 and LLC mouse models of cancer. The limited responsiveness of FcγRIIBpos CD8+ T cells was also dependent on an intact Fc region of the checkpoint inhibitor, in that treatment with Fc-devoid anti-PD-1 F(ab) fragments resulted in increased proliferation of FcγRIIBpos CD8+ T cells, without altering the response of FcγRIIBneg CD8+ T cells. Last, the addition of FcγRIIB blockade improved efficacy of PD-1 checkpoint inhibition in mouse models of melanoma, lung, and colon cancer. These results illuminate an FcγRIIB-mediated, cell-autonomous mechanism of CD8+ T cell suppression, which limits the efficacy of checkpoint inhibitors during antitumor immune responses in vivo.
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Affiliation(s)
- Kelsey B Bennion
- Department of Surgery, Emory University School of Medicine, Atlanta, GA 30322, USA
- Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Marvi Tariq
- Department of Surgery, Emory University School of Medicine, Atlanta, GA 30322, USA
- Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Megan M Wyatt
- Department of Surgery, Emory University School of Medicine, Atlanta, GA 30322, USA
- Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Charlotte Duneton
- Paediatric Nephrology, Robert Debré Hospital, Paris 75019, France
- Emory Transplant Center, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Kirsten M Baecher
- Department of Surgery, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Chrystal M Paulos
- Department of Surgery, Emory University School of Medicine, Atlanta, GA 30322, USA
- Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Ragini R Kudchadkar
- Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Hematology and Medical Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Michael C Lowe
- Department of Surgery, Emory University School of Medicine, Atlanta, GA 30322, USA
- Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Mandy L Ford
- Department of Surgery, Emory University School of Medicine, Atlanta, GA 30322, USA
- Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
- Emory Transplant Center, Emory University School of Medicine, Atlanta, GA 30322, USA
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Lesage C, Longvert C, Prey S, Maanaoui S, Dréno B, Machet L, Zehou O, Kramkimel N, Jeudy G, Skowron F, Aubin F, Visseaux L, Mansard S, Dereure O, Lesage FX, Guillot B. Incidence and Clinical Impact of Anti-TNFα Treatment of Severe Immune Checkpoint Inhibitor-induced Colitis in Advanced Melanoma: The Mecolit Survey. J Immunother 2019; 42:175-179. [PMID: 31090656 DOI: 10.1097/cji.0000000000000268] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Immune checkpoint inhibitors (ICI) significantly improve overall survival (OS) in patients with advanced melanoma, but immune-related colitis may occur and warrant anti-tumor necrosis factor α (TNFα) treatment in severe forms. A nationwide, multicenter retrospective survey was conducted to assess both, the real-life incidence of grade 3/4 ICI-induced colitis treated with anti-TNFα, in patients with advanced melanoma, and the consequence of this therapeutic strategy on disease outcome. All patients with advanced melanoma treated with anti-TNFα agents for severe ICI-related colitis in the participating centers were included. Relative incidence was calculated according to the total number of patients treated with ICI in network centers during the period of inclusion. The possible impact of anti-TNFα treatment on disease outcome was evaluated through comparison of objective response rate, progression-free survival, and OS with pivotal literature data. Twenty-seven patients from 13 tertiary referral centers were included. Overall, severe ICI-related colitis treated with anti-TNFα occurred in 1% of patients with advanced melanoma, mostly with ipilimumab. Infliximab was successfully used in all patients but 1, mostly after 1 infusion. OS and progression-free survival of 12 and 3 months, respectively, were observed in these patients, along with an objective response rate of 41% at 12 months. This survey shows a low real-life incidence of severe colitis requiring anti-TNFα. Response rates to immunotherapy and survival data do not appear to significantly differ from those observed in pivotal studies. Severe ICI-induced colitis requiring anti-TNFα treatment appears to be a rare event in advanced melanoma, and infliximab does not seem to adversely affect disease outcome.
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Affiliation(s)
| | - Christine Longvert
- Department of Dermatology, Ambroise-Paré Hospital, APHP, Boulogne-Billancourt
| | - Sorilla Prey
- CHU, Bordeaux, Department of Dermatology
- Inserm U-1035, University of Bordeaux, Bordeaux
| | | | | | - Laurent Machet
- Department of Dermatology, CHRU Tours and Inserm U1253, University of Tours, Tours
| | - Ouidad Zehou
- Department of Dermatology, University Hospital Henri Mondor, Créteil
| | - Nora Kramkimel
- Department of Dermatology, University Hospital Cochin, Paris
| | | | | | - François Aubin
- Department of Dermatology, University Hospital, Besançon
| | | | - Sandrine Mansard
- Department of Dermatology, University Hospital Estaing, Clermont Ferrand, France
| | | | - François-Xavier Lesage
- Epsylon, University Montpellier, Paul Valéry University Montpellier 3, University Hospital, Montpellier
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Affinity Proteomics Exploration of Melanoma Identifies Proteins in Serum with Associations to T-Stage and Recurrence. Transl Oncol 2017; 10:385-395. [PMID: 28433799 PMCID: PMC5403766 DOI: 10.1016/j.tranon.2017.03.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 03/02/2017] [Accepted: 03/06/2017] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Blood-based proteomic profiling may aid and expand our understanding of diseases and their different phenotypes. The aim of the presented study was to profile serum samples from patients with malignant melanoma using affinity proteomic assays to describe proteins in the blood stream that are associated to stage or recurrence of melanoma. MATERIAL AND METHODS Multiplexed protein analysis was conducted using antibody suspension bead arrays. A total of 232 antibodies against 132 proteins were selected from (i) a screening with 4595 antibodies and 32 serum samples from melanoma patients and controls, (ii) antibodies used for immunohistochemistry, (iii) protein targets previously related with melanoma. The analysis was performed with 149 serum samples from patients with malignant melanoma. Antibody selectivity was then assessed by Western blot, immunocapture mass spectrometry, and epitope mapping. Lastly, indicative antibodies were applied for IHC analysis of melanoma tissues. RESULTS Serum levels of regucalcin (RGN) and syntaxin 7 (STX7) were found to be lower in patients with both recurring tumors and a high Breslow's thickness (T-stage 3/4) compared to low thickness (T-stage 1/2) without disease recurrence. Serum levels of methylenetetrahydrofolate dehydrogenase 1-like (MTHFD1L) were instead elevated in sera of T3/4 patients with recurrence. The analysis of tissue sections with S100A6 and MTHFD1L showed positive staining in a majority of patients with melanoma, and S100A6 was significantly associated to T-stage. CONCLUSIONS Our findings provide a starting point to further study RGN, STX7, MTHFD1L and S100A6 in serum to elucidate their involvement in melanoma progression and to assess a possible contribution to support clinical indications.
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Ulivieri A, Cardillo G, Manente L, Paone G, Mancuso AP, Vigna L, Di Stasio E, Gasbarra R, Girlando S, Leone A. Molecular characterization of a selected cohort of patients affected by pulmonary metastases of malignant melanoma: Hints from BRAF, NRAS and EGFR evaluation. Oncotarget 2016; 6:19868-79. [PMID: 26305188 PMCID: PMC4637326 DOI: 10.18632/oncotarget.4503] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 06/20/2015] [Indexed: 02/06/2023] Open
Abstract
Background Melanoma is highly curable in early stages but holds devastating consequences in advanced phases with a median survival of 6–10 months. Lungs are a common metastasis target, but despite this, limited data are available on the molecular status of pulmonary lesions. Materials and Methods 25 patients with surgically resected melanoma lung metastases were screened for BRAF, NRAS, CKIT and EGFR alterations. The results were correlated with time to lung metastasis (TLM), relapse-free survival after metastasectomy (RFS) and overall survival (OS). Results BRAF or NRAS were mutated in 52% and 20% of cases while CKIT was unaffected. Chromosome 7 polysomy was detected in 47% of cases with 17.5% showing EGFR amplification and concomitant BRAF mutation. NRAS mutated patients developed LM within 5 yrs from primary melanoma with larger lesions compared with BRAF (mean diameter 3.3 ± 2.2cm vs 1.9 ± 1.1cm, p = 0.2). NRAS was also associated with a shorter median RFS and OS after metastasectomy. Moreover, Cox regression analysis revealed that NRAS mutation was the only predictive factor of shorter survival from primary melanoma (p = 0.039, OR = 5.5 (1.1–27.6)). Conclusions Molecular characterization identifies advanced melanoma subgroups with distinct prognosis and therapeutic options. The presence of NRAS mutation was associated to a worse disease evolution.
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Affiliation(s)
- Alessandra Ulivieri
- Anatomic Pathology Unit, San Camillo-Forlanini Hospitals, Rome, Italy.,Laboratory of Biomedical research "Fondazione Niccolò Cusano per la Ricerca Medico-Scientifica" Niccolò Cusano University of Rome, Rome, Italy
| | | | - Liborio Manente
- Anatomic Pathology Unit, San Camillo-Forlanini Hospitals, Rome, Italy
| | - Gregorino Paone
- Department of Respiratory Diseases, San Camillo-Forlanini Hospitals, Rome, Italy
| | | | - Leonardo Vigna
- Department of Medical Oncology, San Camillo-Forlanini Hospitals, Rome, Italy
| | - Enrico Di Stasio
- Institute of Biochemistry and Clinical Biochemistry, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Rita Gasbarra
- Anatomic Pathology Unit, San Camillo-Forlanini Hospitals, Rome, Italy
| | | | - Alvaro Leone
- Anatomic Pathology Unit, San Camillo-Forlanini Hospitals, Rome, Italy
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Wu CF, Wu CS, Yu WW, Huang MY. Complete response of huge buccal malignant melanoma in an octogenarian patient to arterial chemotherapy. Head Neck 2014; 37:E134-8. [PMID: 25521097 DOI: 10.1002/hed.23941] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2014] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Primary oral mucosal melanoma is uncommon. However, it is an aggressive entity, and the absence of a standardized treatment protocol makes for an extremely poor prognosis. METHODS We described the clinical course and treatment by arterial chemotherapy of an 87-year-old patient with nonresectable huge buccal malignant melanoma. Continuous intra-arterial infusion of fluorouracil (50 mg/24 hours) and 1 intermittent weekly 10-mg shot of cisplatin were given. RESULTS The patient with oral melanoma presented with a roughly 6- × 4-cm exophytic mass that was noticed on the right buccal mucosa. The buccal tumor regressed dramatically until complete disappearance of the tumor mass was achieved at 2.5 months after intra-arterial chemotherapy was initiated. In total, 2880 mg of fluorouracil and 80 mg of cisplatin were administrated. The side effects of intra-arterial chemotherapy were mild and tolerable. CONCLUSION Our data demonstrate that intra-arterial chemotherapy could be an alternative treatment for nonresectable buccal malignant melanoma.
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Affiliation(s)
- Chih-Feng Wu
- Division of Surgical Oncology, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Surgery, Faculty of Medicine, College of Medicine, , Kaohsiung Medical University, Kaohsiung, Taiwan.,Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chieh-Shan Wu
- Department of Dermatology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Wei-Wen Yu
- Department of Pathology and Department of Dermatology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Ming-Yii Huang
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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7
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Mansfield AS, Nevala WK, Lieser EAT, Leontovich AA, Markovic SN. The immunomodulatory effects of bevacizumab on systemic immunity in patients with metastatic melanoma. Oncoimmunology 2014; 2:e24436. [PMID: 23762809 PMCID: PMC3667915 DOI: 10.4161/onci.24436] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Revised: 03/15/2013] [Accepted: 03/25/2013] [Indexed: 11/19/2022] Open
Abstract
Metastatic melanoma is near-to-invariably a fatal disease. As novel therapeutic strategies against metastatic melanoma are urgently needed, we have tested a combinatorial regimen consisting of conventional chemotherapy coupled to bevacizumab, a monoclonal antibody that inhibit angiogenesis, demonstrating some clinical benefit. A preliminary assessment of one of our clinical trials points to a previously unrecognized immunomodulatory effect of bevacizumab. Herein, we evaluate the immunomodulatory effect of bevacizumab when administered together with conventional chemotherapy to patients with metastatic melanoma. To this aim, we measured the abundance of various lymphocyte subsets among peripheral blood mononuclear cells (PBMCs) as well as the circulating levels of 42 cytokines, chemokines and growth factors in patients with metastatic melanoma who received albumin-bound paclitaxel plus carboplatin, either as a standalone intervention (AC, 55 subjects) or combined with bevacizumab (ACB, 39 individuals), in the context of clinical trials N057e and N0775, respectively. Relative shifts in PBMC subsets and cytokine levels were calculated (relative to baseline levels) when patients underwent restaging evaluation after two cycles of therapy. The Mann-Whitney U test was used to compare responses between the groups. Bevacizumab failed to affect the TH1/TH2 cell ratio in this patient cohort. However, we observed a significant increase in CD8+ lymphocytes in patients who received ACB (+38%) but not in subjects treated with AC only (-10%) (p = 0.03). Moreover, circulating interleuikin-6 (IL-6) levels were reduced in patients treated with ACB (-42%) but not in individuals receiving AC only (28%) (p = 0.0018). Thus, the addition of bevacizumab to chemotherapy for the treatment of metastatic melanoma exerts immunomodulatory effects.
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Affiliation(s)
- Aaron S Mansfield
- Department of Oncology; Mayo Clinic; Rochester, MN USA ; Department of Internal Medicine; Division of Hematology; Mayo Clinic; Rochester, MN USA
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Möller MG, Salwa S, Soden DM, O’Sullivan GC. Electrochemotherapy as an adjunct or alternative to other treatments for unresectable or in-transit melanoma. Expert Rev Anticancer Ther 2014; 9:1611-30. [DOI: 10.1586/era.09.129] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Mathieu V, de Lassalle EM, Toelen J, Mohr T, Bellahcène A, Van Goietsenoven G, Verschuere T, Bouzin C, Debyser Z, De Vleeschouwer S, Van Gool S, Poirier F, Castronovo V, Kiss R, Feron O. Galectin-1 in Melanoma Biology and Related Neo-Angiogenesis Processes. J Invest Dermatol 2012; 132:2245-54. [DOI: 10.1038/jid.2012.142] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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10
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Palmer SR, Erickson LA, Ichetovkin I, Knauer DJ, Markovic SN. Circulating serologic and molecular biomarkers in malignant melanoma. Mayo Clin Proc 2011; 86:981-90. [PMID: 21964175 PMCID: PMC3184027 DOI: 10.4065/mcp.2011.0287] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The worldwide incidence of malignant melanoma has been increasing during the past decade and is a public health concern because this disease accounts for up to 90% of deaths from cutaneous malignancies. It remains a devastating disease with few therapeutic options once in an advanced stage. Current methods of detection, prognostication, and monitoring of melanoma focus on clinical, morphologic, and histopathologic characteristics of measurable tumor. Although this information provides some insight into disease behavior and outcome, melanoma is still an unpredictable disease. Significant effort has been put into finding an informative serologic biomarker. However, the marker remains elusive, and investigations continue. Using the PubMed database, we reviewed the published literature on serologic melanoma biomarkers and present a synopsis of the extensive investigations that have been performed thus far, provide some insight into why most have failed to become incorporated into routine clinical use, and present an overview of innovative methods currently being explored.
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Lefranc F, Mathieu V, Kiss R. Galectin-1-mediated biochemical controls of melanoma and glioma aggressive behavior. World J Biol Chem 2011; 2:193-201. [PMID: 21949569 PMCID: PMC3178756 DOI: 10.4331/wjbc.v2.i9.193] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 08/23/2011] [Accepted: 08/30/2011] [Indexed: 02/06/2023] Open
Abstract
Gliomas and melanomas are associated with dismal prognosis because of their marked intrinsic resistance to proapoptotic stimuli, such as conventional chemotherapy and radiotherapy, as well as their ability to escape immune cell attacks. In addition, gliomas and melanomas display pronounced neoangiogenesis. Galectin-1 is a hypoxia-sensitive protein, which is abundantly secreted by glioma and melanoma cells, which displays marked proangiogenic effects. It also provides immune tolerogenic environments to melanoma and glioma cells through the killing of activated T cells that attack these tumor cells. Galectin-1 protects glioma and melanoma cells against cytotoxic insults (including chemotherapy and radiotherapy) through a direct role in the unfolded protein response. Altogether, these facts clearly point to galectin-1 as an important target to be combated in gliomas and melanomas in order to: (1) weaken the defenses of these two types of cancers against radiotherapy, chemotherapy and immunotherapy/vaccine therapy; and (2) reinforce antiangiogenic therapies. In the present article, we review the biochemical and molecular biology-related pathways controlled by galectin-1, which are actually beneficial for melanoma and glioma cells, and therefore detrimental for melanoma and glioma patients.
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Affiliation(s)
- Florence Lefranc
- Florence Lefranc, Véronique Mathieu, Robert Kiss, Laboratory of Toxicology, Faculty of Pharmacy, Université Libre de Bruxelles, Brussels 1050, Belgium
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12
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Khan MK, Khan N, Almasan A, Macklis R. Future of radiation therapy for malignant melanoma in an era of newer, more effective biological agents. Onco Targets Ther 2011; 4:137-48. [PMID: 21949607 PMCID: PMC3176173 DOI: 10.2147/ott.s20257] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The incidence of melanoma is rising. The primary initial treatment for melanoma continues to be wide local excision of the primary tumor and affected lymph nodes. Exceptions to wide local excision include cases where surgical excision may be cosmetically disfiguring or associated with increased morbidity and mortality. The role of definitive or adjuvant radiotherapy has largely been relegated to palliative measures because melanoma has been viewed as a prototypical radiotherapy-resistant cancer. However, the emerging clinical and radiobiological data summarized here suggests that many types of effective radiation therapy, such as radiosurgery for melanoma brain metastases, plaque brachytherapy for uveal melanoma, intensity modulated radiotherapy for melanoma of the head and neck, and adjuvant radiotherapy for selected high-risk, node-positive patients can improve outcomes. Similarly, although certain chemotherapeutic agents and biologics have shown limited responses, long-term control for unresectable tumors or disseminated metastatic disease has been rather disappointing. Recently, several powerful new biologics and treatment combinations have yielded new hope for this patient group. The recent identification of several clinically linked melanoma gene mutations involved in mitogen-activated protein kinase (MAPK) pathway such as BRAF, NRAS, and cKIT has breathed new life into the drive to develop more effective therapies. Some of these new therapeutic approaches relate to DNA damage repair inhibitors, cellular immune system activation, and pharmacological cell cycle checkpoint manipulation. Others relate to the investigation of more effective targeting and dosing schedules for underutilized therapeutics, such as radiotherapy. This paper summarizes some of these new findings and attempts to give some context to the renaissance in melanoma therapeutics and the potential role for multimodality regimens, which include certain types of radiotherapy as aids to locoregional control in sensitive tissues.
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Affiliation(s)
- Mohammad K Khan
- Taussig Cancer Institute, Lerner College of Medicine, Cleveland Clinic, Cleveland, OH, USA
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13
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Swoboda A, Rasin-Streden D, Schanab O, Okamoto I, Pehamberger H, Petzelbauer P, Mikula M. Identification of genetic disparity between primary and metastatic melanoma in human patients. Genes Chromosomes Cancer 2011; 50:680-8. [DOI: 10.1002/gcc.20890] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Revised: 04/14/2011] [Accepted: 04/15/2011] [Indexed: 11/06/2022] Open
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Le MN, Chan JLK, Rosenberg SA, Nabatian AS, Merrigan KT, Cohen-Solal KA, Goydos JS. The glutamate release inhibitor Riluzole decreases migration, invasion, and proliferation of melanoma cells. J Invest Dermatol 2010; 130:2240-9. [PMID: 20505744 DOI: 10.1038/jid.2010.126] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The goal of this study was to examine the effects of metabotropic glutamate receptor-1 (GRM1) blockade on melanoma anchorage-independent growth and invasion. We performed colony and invasion assays using GRM1-expressing melanoma lines and the GRM1-negative UACC930 line. Using the glutamate-release inhibitor Riluzole or the non-competitive GRM1 antagonist BAY 36-7620 we were able to induce considerable inhibition of colony formation and invasion in GRM1-expressing melanoma lines. Neither pharmacological agent induced significant reduction in colony formation or invasion in the GRM1-negative melanoma line, UACC930. Additionally we assessed the efficacy of these inhibitors to inhibit the growth of fresh melanoma tumor samples cultured on a 74-mum nylon mesh. Both Riluzole and BAY 36-7620 significantly inhibited tumor cell growth into the interstitial spaces of the mesh. When repeated with normal mole samples both inhibitors were much less effective in preventing the outgrowth of cells. These experiments show that a specific antagonist of GRM1 (BAY 36-7620) or an inhibitor of glutamate release (Riluzole) can significantly suppress melanoma migration, invasion and colony formation as well as inhibit the proliferation of fresh melanoma cells. These findings, added to our previous work, strengthen the case that GRM1 is a valid therapeutic target in patients with melanoma.
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Affiliation(s)
- Maithao N Le
- Division of Surgical Oncology, Department of Surgery, UMDNJ-Robert Wood Johnson Medical School, Piscataway, New Jersey 08854, USA
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Abstract
Host defence peptides (HDP) produced by almost all species of living organisms and widely recognized as antimicrobial antibiotics have also proved to be capable of killing a wide variety of cancer cells. In this respect they have many advantages over conventional cytotoxic chemotherapeutic agents. They seem to kill cancer cells by effects on plasma membranes and/or the membranes of mitochondria. They are often effective against multidrug-resistant cells. They have a broad spectrum of activity in that their killing effects are not restricted to particular kinds of cancer. Above all they commonly have few side effects in that they do not have the same detrimental effects on normal cells as they do on cancer cells. It has been demonstrated that HDP can be used as effective adjuvants to conventional chemotherapeutic agents. In addition they have effects on neo-angiogenesis which is important in relation to tumour growth. HDP have been shown to be powerful immunomodulators in a number of circumstances and in this respect they are believed to be instrumental in strengthening immunological host defence against cancer cells. Importantly it has also been shown that certain HDP have the capability to alter the capacity of cells to import Ca ions by affecting the location and thus function of calreticulin. Such changes it has been argued are significant in facilitating the killing of tumour cells by immunogical means. HDP constitute a novel class of anticancer agents for which, as we develop better knowledge of their pharmacokinetic profiles and learn better how to tailor their administration, hold high promise to augment or even replace the currently available cytotoxic anticancer chemotherapeutic agents most of which owe their efficacy to their capacity to bind to and damage target cell DNA.
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Affiliation(s)
- Károly Lapis
- Semmelweis Egyetem, AOK I. sz. Patológiai és Kísérleti Rákkutató Intézet, 1085 Budapest, Ulloi út 26.
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Valero T, Steele S, Neumüller K, Bracher A, Niederleithner H, Pehamberger H, Petzelbauer P, Loewe R. Combination of dacarbazine and dimethylfumarate efficiently reduces melanoma lymph node metastasis. J Invest Dermatol 2009; 130:1087-94. [PMID: 19940857 DOI: 10.1038/jid.2009.368] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Dimethylfumarate (DMF) has been shown to reduce melanoma growth and metastasis in animal models. We addressed the question of whether DMF is as effective in its antitumor activity as the US Food and Drug Administration-approved alkylating agent dacarbazine (DTIC). We also tested the possibility of an improved antitumoral effect when both therapeutics were used together. Using our severe combined immunodeficiency (SCID) mouse model, in which xenografted human melanoma cells metastasize from primary skin sites to sentinel nodes, we show that these treatments, alone or in combination, reduce tumor growth at primary sites. Our main finding was that metastasis to sentinel nodes is significantly delayed only in mice treated with a combination of DTIC and DMF. Subsequent experiments were able to show that a combination of DTIC/DMF significantly reduced lymph vessel density in primary tumors as examined by real-time PCR and immunohistochemistry. In addition, DTIC/DMF treatment significantly impaired melanoma cell migration in vitro. In vivo, DTIC/DMF therapy significantly reduced mRNA expression and protein concentration of the promigratory chemokines CXCL2 and CXCL11. In addition, our data suggest that this xenotransplantation model is suitable for preclinical testing of various combinations of antimelanoma agents.
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Affiliation(s)
- Teresa Valero
- Skin and Endothelial Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria
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