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Yan T, Ma X, Zhou K, Cao J, Tian Y, Zheng H, Tong Y, Xie S, Wang Y, Guo L, Lu R. A novel CSN5/CRT O-GlcNAc/ER stress regulatory axis in platinum resistance of epithelial ovarian cancer. Int J Biol Sci 2024; 20:1279-1296. [PMID: 38385070 PMCID: PMC10878149 DOI: 10.7150/ijbs.89700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
Background: High levels of COP9 signalosome subunit 5 (CSN5) in epithelial ovarian cancer (EOC) are associated with poor prognosis and are implicated in mediating platinum resistance in EOC cells. The underlying mechanisms, however, remained undefined. This study aimed to elucidate the molecular process and identify potential therapeutic targets. Methods: RNA-sequencing was used to investigate differentially expressed genes between platinum-resistant EOC cells with CSN5 knockdown and controls. O-GlcNAc proteomics were employed to identify critical modulators downstream of CSN5. The omics findings were confirmed through qRT-PCR and immunoblotting. In vitro and in vivo experiments assessed the sensitivity of resistant EOCs to platinum. Results: We demonstrated an involvement of aberrant O-GlcNAc and endoplasmic reticulum (ER) stress disequilibrium in CSN5-mediated platinum resistance of EOC. Genetic or pharmacologic inhibition of CSN5 led to tumor regression and surmounted the intrinsic EOC resistance to platinum both in vitro and in vivo. Integration of RNA-sequencing and O-GlcNAc proteomics pinpointed calreticulin (CRT) as a potential target of aberrant O-GlcNAc modification. CSN5 upregulated O-GlcNAc-CRT at T346 to inhibit ER stress-induced cell death. Blocking T346 O-GlcNAc-CRT through CSN5 deficiency or T346A mutation resulted in Ca2+ disturbances, followed by ER stress overactivation, mitochondrial dysfunction, and ultimately cell apoptosis. Conclusion: This study reveals that CSN5-mediated aberrant O-GlcNAc-CRT acts as a crucial ER stress checkpoint, governing cell fate response to stress, and emphasizes an unrecognized role for the CSN5/CRT O-GlcNAc/ER stress axis in platinum resistance of EOC.
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Affiliation(s)
- Tianqing Yan
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Xiaolu Ma
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Kaixia Zhou
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Jiazhen Cao
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yanan Tian
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Hui Zheng
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
| | - Ying Tong
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
| | - Suhong Xie
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
| | - Yanchun Wang
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
| | - Lin Guo
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Renquan Lu
- Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, No.270, Dong' An Road, Xuhui District, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
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Sethuraman SN, Singh MP, Patil G, Li S, Fiering S, Hoopes PJ, Guha C, Malayer J, Ranjan A. Novel calreticulin-nanoparticle in combination with focused ultrasound induces immunogenic cell death in melanoma to enhance antitumor immunity. Theranostics 2020; 10:3397-3412. [PMID: 32206098 PMCID: PMC7069083 DOI: 10.7150/thno.42243] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/23/2020] [Indexed: 12/21/2022] Open
Abstract
Rationale: Some studies have shown that the local activation of immunogenic cell death (ICD) by upregulating calreticulin (CRT) expression in solid tumors can improve antitumor effects. Although a promising approach, a key current challenge in ICD tumor therapy is the absence of a clinically translatable method for reproducibly inducing the CRT expression. Herein, we report a novel calreticulin-nanoparticle (CRT-NP) that enhances ICD and synergizes with focused ultrasound (FUS) to achieve local and systemic antitumor effects. Methods: Full-length clone DNA of calreticulin was encapsulated in NPs made from DOTAP and cholesterol. Three CRT-NP intratumoral injections of 20 µg each were given 2 days apart, and FUS heating (42-45°C, ~15min) was applied sequentially 24h after each injection to induce ICD. To investigate ICD specific immune effect, the splenocytes of mice vaccinated with CRT-NP (± FUS) treated B16F10 cells were evaluated ex-vivo for TRP-2 antigen specific immunity. Additionally, the long-term protection was evaluated by re-challenging with the melanoma cells in the flank regions of tumor bearing mice. Results: CRT-NP plus FUS (CFUS) upregulated CRT expression, expanded the population of melanoma TRP-2 specific functional CD4+ and CD8+ T cells and tumor-suppressing M1 phenotype, and increased PD-1 and PD-L1 marker expression in the T cells. Therapeutically, CFUS suppressed B16 melanoma growth by >85% vs. that seen in untreated controls, and >~50% vs. CRT-NP or FUS alone, and prevented tumor growth in distal untreated sites. Conclusions: CRT-NP amplifies the FUS and ICD therapeutic outcomes against melanoma, suggesting that the proposed combinatorial methodology may be clinically translatable.
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Affiliation(s)
- Sri Nandhini Sethuraman
- Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74074
| | - Mohit Pratap Singh
- Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74074
| | - Girish Patil
- Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74074
| | - Shitao Li
- Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74074
| | | | | | - Chandan Guha
- Albert Einstein College of Medicine, Bronx, New York 10461
| | - Jerry Malayer
- Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74074
| | - Ashish Ranjan
- Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74074
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Abigail Robles-Rodríguez O, Pérez Trujillo JJ, Barrón Cantú JA, Torres Cerda A, Gutiérrez Puente Y, García García A, Rodríguez Rocha H, Villanueva Olivo A, M Zavala Flores L, Saucedo Cárdenas O, Montes de Oca Luna R, de Jesús Loera Arias M. Antitumor effect of adenoviruses expressing mutant non-oncogenic E7 versions from HPV-16 fused to calreticulin. J BUON 2020; 25:543-548. [PMID: 32277681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
PURPOSE To compare the antitumor effect of adenoviruses that express mutant variants of the protein E7 from HPV-16 fused to calreticulin. METHODS Recombinant adenoviruses were generated to express calreticulin fused to mutant versions of E7 (CRT/E7m and CRT/E7dm). Western blot and immunofluorescence assays were made to demonstrate protein expression. Antitumor assays were performed in C57BL6 mice injected with TC-1 cell line. RESULTS When HEK293 cells were infected with these adenoviruses, we detected that all the recombinant proteins were expressed at endoplasmic reticulum, as expected. Next, the antitumor effect was tested on a murine tumor model established by inoculation of TC-1 cell line. We detected that both Ad CRT/E7m and Ad CRT/E7dm were capable of reducing the antitumor volume when compared to Ad LacZ, which was used as negative control. No significant difference was observed when compared to Ad CRT/E7, a positive control. CONCLUSIONS Here we demonstrated that the mutant versions of E7 HPV-16 fused to calreticulin generate similar antitumor effect than the wild type version.
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Salazar AM, Mendlovic F, Cruz-Rivera M, Chávez-Talavera O, Sordo M, Avila G, Flisser A, Ostrosky-Wegman P. Genotoxicity induced by Taenia solium and its reduction by immunization with calreticulin in a hamster model of taeniosis. Environ Mol Mutagen 2013; 54:347-353. [PMID: 23704053 DOI: 10.1002/em.21782] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Revised: 04/09/2013] [Accepted: 04/10/2013] [Indexed: 06/02/2023]
Abstract
Genotoxicity induced by neurocysticercosis has been demonstrated in vitro and in vivo in humans. The adult stage of Taenia solium lodges in the small intestine and is the main risk factor to acquire neurocysticercosis, nevertheless its carcinogenic potential has not been evaluated. In this study, we determined the genotoxic effect of T. solium infection in the hamster model of taeniosis. In addition, we assessed the effect of oral immunization with recombinant T. solium calreticulin (rTsCRT) plus cholera toxin as adjuvant on micronuclei induction, as this protein has been shown to induce 33-44% protection in the hamster model of taeniosis. Blood samples were collected from the orbital venous plexus of noninfected and infected hamsters at different days postinfection, as well as from orally immunized animals, to evaluate the frequency of micronucleated reticulocytes as a measure of genotoxicity induced by parasite exposure and rTsCRT vaccination. Our results indicate that infection with T. solium caused time-dependent DNA damage in vivo and that rTsCRT immunization reduced the genotoxic damage induced by the presence of the tapeworms.
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Affiliation(s)
- Ana María Salazar
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México UNAM, México, D.F., México
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Cichoń T, Jarosz M, Smolarczyk R, Ogórek B, Matuszczak S, Wagner M, Mitrus I, Sochanik A, Jazowiecka-Rakus J, Szala S. Vasostatin increases oxygenation of B16-F10 melanoma tumors and raises therapeutic efficacy of cyclophosphamide. Acta Biochim Pol 2012; 59:377-381. [PMID: 22946026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2012] [Revised: 07/17/2012] [Accepted: 08/29/2012] [Indexed: 06/01/2023]
Abstract
One of the preconditions of effective anticancer therapy is efficient transfer of the therapeutic agent (chemotherapeutic) to tumor cells. Fundamental barriers making drug delivery and action difficult include underoxygenation, elevated interstitial pressure, poor and abnormal tumor blood vascular network and acidic tumor milieu. In this study we aimed at developing an optimized scheme of administering a combination of an angiogenesis-inhibiting drug (vasostatin) and a chemotherapeutic (cyclophosphamide) in the therapeutic treatment of mice bearing experimental B16-F10 melanoma tumors. We report that the strongest tumor growth inhibition was observed in mice that received two, three or four vasostatin doses in combination with one injection of cyclophosphamide (i.e., V2 + CTX, V3 + CTX or V4 + CTX schemes). Double administration of vasostatin increases oxygenation of B16-F10 tumors. On the other hand, its five-fold administration lowers tumor oxygenation, breaks down tumor vascular network (increasing hypoxia) and leads in consequence to death of cancer cells and appearance of necrotic areas in the tumor. A decreased cyclophosphamide dose in combination with two doses of vasostatin (V2 + CTX scheme) inhibits tumor growth similarly to a larger dose of cyclophosphamide alone.
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Affiliation(s)
- Tomasz Cichoń
- Center for Translational Research and Molecular Biology of Cancer, Gliwice Branch, Poland.
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Jazowiecka-Rakus J, Jarosz M, Kozłowska D, Sochanik A, Szala S. Combination of vasostatin and cyclophosphamide in the therapy of murine melanoma tumors. Acta Biochim Pol 2007; 54:125-33. [PMID: 17369879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2007] [Revised: 02/22/2007] [Accepted: 03/14/2007] [Indexed: 05/14/2023]
Abstract
Growth of tumors is strongly dependent upon supply of nutrients and oxygen by de novo formed blood vessels. Inhibiting angiogenesis suppresses growth of primary tumors as well and affects development of metastases. We demonstrate that recombinant MBP/vasostatin fusion protein inhibits proliferation of endothelial cells in vitro. The therapeutic usefulness of such intratumorally delivered recombinant protein was then assessed by investigating its ability to inhibit growth of experimental murine melanomas. In the model of B16-F10 melanoma the MBP/vasostatin construct significantly delayed tumor growth and prolonged survival of treated mice. A combination therapy involving MBP/vasostatin construct and cyclophosphamide was even more effective and led to further inhibition of the tumor growth and extended survival. We show that such combination might be useful in the clinical setting, especially to treat tumors which have already formed microvessel networks.
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Affiliation(s)
- Joanna Jazowiecka-Rakus
- Department of Molecular Biology, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice, Poland
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Gold LI, Rahman M, Blechman KM, Greives MR, Churgin S, Michaels J, Callaghan MJ, Cardwell NL, Pollins AC, Michalak M, Siebert JW, Levine JP, Gurtner GC, Nanney LB, Galiano RD, Cadacio CL. Overview of the role for calreticulin in the enhancement of wound healing through multiple biological effects. J Investig Dermatol Symp Proc 2006; 11:57-65. [PMID: 17069011 DOI: 10.1038/sj.jidsymp.5650011] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Calreticulin (CRT), an intracellular chaperone protein crucial for the proper folding and transport of proteins through the endoplasmic reticulum, has more recent acclaim as a critical regulator of extracellular functions, particularly in mediating cellular migration and as a requirement for phagocytosis of apoptotic cells. Consistent with these functions, we show that the topical application of CRT has profound effects on the process of wound healing by causing a dose-dependent increase in epithelial migration and granulation tissue formation in both murine and porcine normal and impaired animal models of skin injury. These effects of CRTare substantiated, in vitro, as we show that CRT strongly induces cell migration/wound closure of human keratinocytes and fibroblasts, using a wound/scratch plate assay, and stimulates cellular proliferation of human keratinocytes, fibroblasts, and vascular endothelial cells, providing mechanistic insight into how CRT functions in repair. Similarly, in both animal models, the histology of the wounds show marked proliferation of basal keratinocytes and dermal fibroblasts, dense cellularity of the dermis with notably increased numbers of macrophages and well-organized collagen fibril deposition. Thus, CRT profoundly affects the wound healing process by recruiting cells essential for repair into the wound, stimulating cell growth, and increasing extracellular matrix production.
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Affiliation(s)
- Leslie I Gold
- Department of Medicine, New York University School of Medicine, New York, New York 10016, USA.
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Wu PC, Yang LC, Kuo HK, Huang CC, Tsai CL, Lin PR, Wu PC, Shin SJ, Tai MH. Inhibition of corneal angiogenesis by local application of vasostatin. Mol Vis 2005; 11:28-35. [PMID: 15660022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023] Open
Abstract
PURPOSE This study was designed to investigate the effects of the locally supplied endogenous angiogenesis inhibitor vasostatin (VS) on corneal angiogenesis. METHODS Recombinant VS was expressed and purified. The effects of VS on the proliferation of endothelial cells were investigated using the methyl thiazolyl tetrazolium (MTT) assay in the absence or presence of angiogenic factors such as basic fibroblast growth factor (bFGF) or vascular endothelial growth factor (VEGF). Corneal neovascularization was induced by implantation of hydron pellets containing bFGF in rat corneal micropockets. The potency of VS to inhibit corneal angiogenesis was investigated by incorporation of VS with bFGF in hydron pellets or topical application of VS containing eye drops to rat eyes implanted with bFGF pellets. The extent of corneal neovascularization was evaluated by microscopic and histological analyses. RESULTS VS potently inhibited the growth of endothelial cells in the absence or presence of angiogenic factors such as bFGF or VEGF. In the rat corneal micropocket assay, concurrent incorporation of VS abolished the bFGF induced neovascularization. When formulated in a methylcellulose eye drop, VS remained intact and functional in a 4 degrees C solution for more than 7 days. Topical application of VS eye drops potently inhibited bFGF induced neovascularization in rat corneas. CONCLUSIONS The present study effectively demonstrated the potential feasibility of local application of VS for treatment of corneal angiogenesis.
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Affiliation(s)
- Pei-Chang Wu
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
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