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Marjamaa A, Gibbs B, Kotrba C, Masamha CP. The role and impact of alternative polyadenylation and miRNA regulation on the expression of the multidrug resistance-associated protein 1 (MRP-1/ABCC1) in epithelial ovarian cancer. Sci Rep 2023; 13:17476. [PMID: 37838788 PMCID: PMC10576765 DOI: 10.1038/s41598-023-44548-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/10/2023] [Indexed: 10/16/2023] Open
Abstract
The ATP-binding cassette transporter (ABCC1) is associated with poor survival and chemotherapy drug resistance in high grade serous ovarian cancer (HGSOC). The mechanisms driving ABCC1 expression are poorly understood. Alternative polyadenylation (APA) can give rise to ABCC1 mRNAs which differ only in the length of their 3'untranslated regions (3'UTRs) in a process known as 3'UTR-APA. Like other ABC transporters, shortening of the 3'UTR of ABCC1 through 3'UTR-APA would eliminate microRNA binding sites found within the longer 3'UTRs, hence eliminating miRNA regulation and altering gene expression. We found that the HGSOC cell lines Caov-3 and Ovcar-3 express higher levels of ABCC1 protein than normal cells. APA of ABCC1 occurs in all three cell lines resulting in mRNAs with both short and long 3'UTRs. In Ovcar-3, mRNAs with shorter 3'UTRs dominate resulting in a six-fold increase in protein expression. We were able to show that miR-185-5p and miR-326 both target the ABCC1 3'UTR. Hence, 3'UTR-APA should be considered as an important regulator of ABCC1 expression in HGSOC. Both HGSOC cell lines are cisplatin resistant, and we used erastin to induce ferroptosis, an alternative form of cell death. We showed that we could induce ferroptosis and sensitize the cisplatin resistant cells to cisplatin by using erastin. Knocking down ABCC1 resulted in decreased cell viability, but did not contribute to erastin induced ferroptosis.
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Affiliation(s)
- Audrey Marjamaa
- Department of Chemistry and Biochemistry, Butler University, Indianapolis, IN, 46208, USA
| | - Bettine Gibbs
- Department of Pharmaceutical Sciences, Butler University, Indianapolis, IN, 46208, USA
- Department of Microbiology, Harvard Medical School, Boston, MA, 02115, USA
| | - Chloe Kotrba
- Department of Pharmaceutical Sciences, Butler University, Indianapolis, IN, 46208, USA
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Zhou J, Li X, Gao X, Wei Y, Ye L, Liu S, Ye J, Qiu Y, Zheng X, Chen C, Wang J, Kraus VB, Lv Y, Mao C, Shi X. Leisure Activities, Genetic Risk, and Frailty: Evidence from the Chinese Adults Aged 80 Years or Older. Gerontology 2023; 69:961-971. [PMID: 37075711 PMCID: PMC10791136 DOI: 10.1159/000530665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 04/04/2023] [Indexed: 04/21/2023] Open
Abstract
INTRODUCTION About half of adults aged ≥80 years suffer from frailty. Exercise is considered effective in preventing frailty but may be inapplicable to adults aged ≥80 years due to physical limitations. As an alternative, we aimed to explore the association of leisure activities with frailty and identify potential interaction with established polygenic risk score (PRS) among adults aged ≥80 years. METHODS Analyses were performed in a prospective cohort study of 7,471 community-living older adults aged ≥80 years who were recruited between 2002 and 2014 from 23 provinces in China. Leisure activity was assessed using a seven-question leisure activity index and frailty was defined as a frailty index ≥0.25 using a validated 39-item health-related scale. The PRS was constructed using 59 single-nucleotide polymorphisms associated with frailty in a subsample of 2,541 older adults. Cox proportional hazards models were used to explore the associations of leisure activities, PRS with frailty. RESULTS The mean age of participants was 89.4 ± 6.6 years (range: 80-116). In total, 2,930 cases of frailty were identified during 42,216 person-years of follow-up. Each 1 unit increase in the leisure activity index was associated with 12% lower risk of frailty (hazard ratio: 0.88 [95% confidence interval, 0.85-0.91]). Participants with high genetic risk (PRS >2.47 × 10-4) suffered from 26% higher risk of frailty. Interaction between leisure activity and genetic risk was not observed. CONCLUSION Evidence is presented for the independent association of leisure activities and genetic risk with frailty. Engagement in leisure activities is suggested to be associated with lower risk of frailty across all levels of genetic risk among adults aged ≥80 years.
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Affiliation(s)
- Jinhui Zhou
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xinwei Li
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Xiang Gao
- Department of Nutrition and Food Hygiene, School of Public Health, Fudan University, Shanghai, China
| | - Yuan Wei
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Lihong Ye
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Sixin Liu
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jiaming Ye
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Yidan Qiu
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
- Department of Big Data in Health Science, School of Public Health, Zhejiang University, Hangzhou, China
| | - Xulin Zheng
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chen Chen
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jun Wang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Virginia Byers Kraus
- Duke Molecular Physiology Institute and Division of Rheumatology, Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA
| | - Yuebin Lv
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Chen Mao
- Department of Epidemiology, School of Public Health, Southern Medical University, Guangzhou, China
| | - Xiaoming Shi
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
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Varier L, Sundaram SM, Gamit N, Warrier S. An Overview of Ovarian Cancer: The Role of Cancer Stem Cells in Chemoresistance and a Precision Medicine Approach Targeting the Wnt Pathway with the Antagonist sFRP4. Cancers (Basel) 2023; 15:cancers15041275. [PMID: 36831617 PMCID: PMC9954718 DOI: 10.3390/cancers15041275] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/11/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023] Open
Abstract
Ovarian cancer is one of the most prevalent gynecological cancers, having a relatively high fatality rate with a low five-year chance of survival when detected in late stages. The early detection, treatment and prevention of metastasis is pertinent and a pressing research priority as many patients are diagnosed only in stage three of ovarian cancer. Despite surgical interventions, targeted immunotherapy and adjuvant chemotherapy, relapses are significantly higher than other cancers, suggesting the dire need to identify the root cause of metastasis and relapse and present more precise therapeutic options. In this review, we first describe types of ovarian cancers, the existing markers and treatment modalities. As ovarian cancer is driven and sustained by an elusive and highly chemoresistant population of cancer stem cells (CSCs), their role and the associated signature markers are exhaustively discussed. Non-invasive diagnostic markers, which can be identified early in the disease using circulating tumor cells (CTCs), are also described. The mechanism of the self-renewal, chemoresistance and metastasis of ovarian CSCs is regulated by the Wnt signaling pathway. Thus, its role in ovarian cancer in promoting stemness and metastasis is delineated. Based on our findings, we propose a novel strategy of Wnt inhibition using a well-known Wnt antagonist, secreted frizzled related protein 4 (sFRP4), wherein short micropeptides derived from the whole protein can be used as powerful inhibitors. The latest approaches to early diagnosis and novel treatment strategies emphasized in this review will help design precision medicine approaches for an effective capture and destruction of highly aggressive ovarian cancer.
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Affiliation(s)
- Lavanya Varier
- Cuor Stem Cellutions Pvt Ltd., Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India
| | - S. Mohana Sundaram
- Division of Cancer Stem Cells and Cardiovascular Regeneration, Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India
| | - Naisarg Gamit
- Division of Cancer Stem Cells and Cardiovascular Regeneration, Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India
| | - Sudha Warrier
- Cuor Stem Cellutions Pvt Ltd., Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India
- Division of Cancer Stem Cells and Cardiovascular Regeneration, Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India
- Correspondence:
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Palazzolo S, Canzonieri V, Rizzolio F. The history of small extracellular vesicles and their implication in cancer drug resistance. Front Oncol 2022; 12:948843. [PMID: 36091133 PMCID: PMC9451101 DOI: 10.3389/fonc.2022.948843] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/06/2022] [Indexed: 12/01/2022] Open
Abstract
Small extracellular vesicles (EVs) in the last 20 years are demonstrated to possess promising properties as potential new drug delivery systems, biomarkers, and therapeutic targets. Moreover, EVs are described to be involved in the most important steps of tumor development and progression including drug resistance. The acquired or intrinsic capacity of cancer cells to resist chemotherapies is one of the greatest obstacles to overcome to improve the prognosis of many patients. EVs are involved in this mechanism by exporting the drugs outside the cells and transferring the drug efflux pumps and miRNAs in recipient cells, in turn inducing drug resistance. In this mini-review, the main mechanisms by which EVs are involved in drug resistance are described, giving a rapid and clear overview of the field to the readers.
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Affiliation(s)
- Stefano Palazzolo
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) Istituto di ricovero e cura a carattere scientifico (IRCCS), Aviano, Italy
| | - Vincenzo Canzonieri
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) Istituto di ricovero e cura a carattere scientifico (IRCCS), Aviano, Italy
| | - Flavio Rizzolio
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) Istituto di ricovero e cura a carattere scientifico (IRCCS), Aviano, Italy
- Department of Molecular Science and Nanosystems, Ca' Foscary University, Venice, Italy
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Pavlič R, Gjorgoska M, Rižner TL. Model Cell Lines and Tissues of Different HGSOC Subtypes Differ in Local Estrogen Biosynthesis. Cancers (Basel) 2022; 14:cancers14112583. [PMID: 35681563 PMCID: PMC9179372 DOI: 10.3390/cancers14112583] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/20/2022] [Accepted: 05/21/2022] [Indexed: 12/27/2022] Open
Abstract
Simple Summary Ovarian cancer (OC) comprises a heterogeneous group of hormone-dependent diseases with very high mortality. Estrogens have been shown to promote the progression of OC; however, their exact role in OC subtypes remains unknown. Here, we investigated the local estrogen biosynthesis in OC. We performed targeted transcriptomics and estrogen metabolism analyses in high-grade serous OC (HGSOC) cell lines that differed in chemoresistance status and compared these data with publicly available transcriptome and proteome data for HGSOC tissues. In HGSOC cells, estrogen metabolism decreased with increasing chemoresistance. In highly chemoresistant cells and platinum-resistant HGSOC tissues, HSD17B14 expression was increased. Proteome data showed differential levels of HSD17B10, SULT1E1, CYP1B1, and NQO1 between the four HGSOC subtypes. Our results confirm that estrogen biosynthesis differs between different HGSOC cell models and possibly between different HGSOC subtypes. Such differentially expressed enzymes have potential as targets in the search of new treatment options. Abstract Ovarian cancer (OC) is highly lethal and heterogeneous. Several hormones are involved in OC etiology including estrogens; however, their role in OC is not completely understood. Here, we performed targeted transcriptomics and estrogen metabolism analyses in high-grade serous OC (HGSOC), OVSAHO, Kuramochi, COV632, and immortalized normal ovarian epithelial HIO-80 cells. We compared these data with public transcriptome and proteome data for the HGSOC tissues. In all model systems, high steroid sulfatase expression and weak/undetected aromatase (CYP19A1) expression indicated the formation of estrogens from the precursor estrone-sulfate (E1-S). In OC cells, the metabolism of E1-S to estradiol was the highest in OVSAHO, followed by Kuramochi and COV362 cells, and decreased with increasing chemoresistance. In addition, higher HSD17B14 and CYP1A2 expressions were observed in highly chemoresistant COV362 cells and platinum-resistant tissues compared to those in HIO-80 cells and platinum-sensitive tissues. The HGSOC cell models differed in HSD17B10, CYP1B1, and NQO1 expression. Proteomic data also showed different levels of HSD17B10, CYP1B1, NQO1, and SULT1E1 between the four HGSOC subtypes. These results suggest that different HGSOC subtypes form different levels of estrogens and their metabolites and that the estrogen-biosynthesis-associated targets should be further studied for the development of personalized treatment.
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Zhang Q, Ding J, Wang Y, He L, Xue F. Tumor microenvironment manipulates chemoresistance in ovarian cancer (Review). Oncol Rep 2022; 47:102. [PMID: 35362546 DOI: 10.3892/or.2022.8313] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 03/22/2022] [Indexed: 11/05/2022] Open
Abstract
Ovarian cancer (OC) is the leading cause of mortality among the various types of gynecological cancer, and >75% of the cases are diagnosed at a late stage. Although platinum‑based chemotherapy is able to help the majority of patients to achieve remission, the disease frequently recurs and acquires chemoresistance, resulting in high mortality rates. The complexity of OC therapy is not solely governed by the intrinsic characteristics of the OC cells (OCCs) themselves, but is also largely dependent on the dynamic communication between OCCs and various components of their surrounding microenvironment. The present review attempts to describe the mutual interplay between OCCs and their surrounding microenvironment. Tumor‑associated macrophages (TAMs) and cancer‑associated fibroblasts (CAFs) are the most abundant stromal cell types in OC. Soluble factors derived from CAFs steadily nourish both the OCCs and TAMs, facilitating their proliferation and immune evasion. ATP binding cassette transporters facilitate the extrusion of cytotoxic molecules, eventually promoting cell survival and multidrug resistance. Extracellular vesicles fulfill their role as genetic exchange vectors, transferring cargo from the donor cells to the recipient cells and propagating oncogenic signaling. A greater understanding of the vital roles of the tumor microenvironment will allow researchers to be open to the prospect of developing therapeutic approaches for combating OC chemoresistance.
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Affiliation(s)
- Qiaoling Zhang
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Jiashan Ding
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Yingmei Wang
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Linsheng He
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Fengxia Xue
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
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7
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Haque A, Baig GA, Alshawli AS, Sait KHW, Hafeez BB, Tripathi MK, Alghamdi BS, Mohammed Ali HSH, Rasool M. Interaction Analysis of MRP1 with Anticancer Drugs Used in Ovarian Cancer: In Silico Approach. Life (Basel) 2022; 12:life12030383. [PMID: 35330134 PMCID: PMC8954655 DOI: 10.3390/life12030383] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/24/2022] [Accepted: 03/03/2022] [Indexed: 12/17/2022] Open
Abstract
Multidrug resistance (MDR) is one of the major therapeutic challenges that limits the efficacy of chemotherapeutic response resulting in poor prognosis of ovarian cancer (OC). The multidrug resistance protein 1 (MRP1) is a membrane-bound ABC transporter involved in cross resistance to many structurally and functionally diverse classes of anticancer drugs including doxorubicin, taxane, and platinum. In this study, we utilize homology modelling and molecular docking analysis to determine the binding affinity and the potential interaction sites of MRP1 with Carboplatin, Gemcitabine, Doxorubicin, Paclitaxel, and Topotecan. We used AutoDock Vina scores to compare the binding affinities of the anticancer drugs against MRP1. Our results depicted Carboplatin < Gemcitabine < Topotecan < Doxorubicin < Paclitaxel as the order of binding affinities. Paclitaxel has shown the highest binding affinity whereas Carboplatin displayed the lowest affinity to MRP1. Interestingly, our data showed that Carboplatin, Paclitaxel, and Topotecan bind specifically to Asn510 residue in the transmembrane domains 1 of the MRP1. Our results suggest that Carboplatin could be an appropriate therapeutic choice against MRP1 in OC as it couples weakly with Carboplatin. Further, our findings also recommend opting Carboplatin with Gemcitabine as a combinatorial chemotherapeutic approach to overcome MDR phenotype associated with recurrent OC.
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Affiliation(s)
- Absarul Haque
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (G.A.B.); (A.S.A.); (B.S.A.)
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Correspondence: ; Tel.: +966-126-401-000 (ext. 25479)
| | - Ghazanfar Ali Baig
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (G.A.B.); (A.S.A.); (B.S.A.)
- Department of Biological Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Abdulelah Saleh Alshawli
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (G.A.B.); (A.S.A.); (B.S.A.)
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Khalid Hussain Wali Sait
- Gynecology Oncology Unit, Obstetrics and Gynecology Department, Faculty of Medicine, King Abdulaziz University Hospital, Jeddah 21589, Saudi Arabia;
| | - Bilal Bin Hafeez
- Department of Immunology and Microbiology, South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA; (B.B.H.); (M.K.T.)
| | - Manish Kumar Tripathi
- Department of Immunology and Microbiology, South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA; (B.B.H.); (M.K.T.)
| | - Badrah Saeed Alghamdi
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (G.A.B.); (A.S.A.); (B.S.A.)
- Department of Physiology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | | | - Mahmood Rasool
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Center of Excellence in Genomic Medicine Research, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Hanssen KM, Haber M, Fletcher JI. Targeting multidrug resistance-associated protein 1 (MRP1)-expressing cancers: Beyond pharmacological inhibition. Drug Resist Updat 2021; 59:100795. [PMID: 34983733 DOI: 10.1016/j.drup.2021.100795] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/30/2021] [Accepted: 09/05/2021] [Indexed: 12/30/2022]
Abstract
Resistance to chemotherapy remains one of the most significant obstacles to successful cancer treatment. While inhibiting drug efflux mediated by ATP-binding cassette (ABC) transporters is a seemingly attractive and logical approach to combat multidrug resistance (MDR), small molecule inhibition of ABC transporters has so far failed to confer clinical benefit, despite considerable efforts by medicinal chemists, biologists, and clinicians. The long-sought treatment to eradicate cancers displaying ABC transporter overexpression may therefore lie within alternative targeting strategies. When aberrantly expressed, the ABC transporter multidrug resistance-associated protein 1 (MRP1, ABCC1) confers MDR, but can also shift cellular redox balance, leaving the cell vulnerable to select agents. Here, we explore the physiological roles of MRP1, the rational for targeting this transporter in cancer, the development of small molecule MRP1 inhibitors, and the most recent developments in alternative therapeutic approaches for targeting cancers with MRP1 overexpression. We discuss approaches that extend beyond simple MRP1 inhibition by exploiting the collateral sensitivity to glutathione depletion and ferroptosis, the rationale for targeting the shared transcriptional regulators of both MRP1 and glutathione biosynthesis, advances in gene silencing, and new molecules that modulate transporter activity to the detriment of the cancer cell. These strategies illustrate promising new approaches to address multidrug resistant disease that extend beyond the simple reversal of MDR and offer exciting routes for further research.
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Affiliation(s)
- Kimberley M Hanssen
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Michelle Haber
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Jamie I Fletcher
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia.
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Qian J, LeSavage BL, Hubka KM, Ma C, Natarajan S, Eggold JT, Xiao Y, Fuh KC, Krishnan V, Enejder A, Heilshorn SC, Dorigo O, Rankin EB. Cancer-associated mesothelial cells promote ovarian cancer chemoresistance through paracrine osteopontin signaling. J Clin Invest 2021; 131:e146186. [PMID: 34396988 DOI: 10.1172/jci146186] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 06/25/2021] [Indexed: 12/28/2022] Open
Abstract
Ovarian cancer is the leading cause of gynecological malignancy-related deaths, due to its widespread intraperitoneal metastases and acquired chemoresistance. Mesothelial cells are an important cellular component of the ovarian cancer microenvironment that promote metastasis. However, their role in chemoresistance is unclear. Here, we investigated whether cancer-associated mesothelial cells promote ovarian cancer chemoresistance and stemness in vitro and in vivo. We found that osteopontin is a key secreted factor that drives mesothelial-mediated ovarian cancer chemoresistance and stemness. Osteopontin is a secreted glycoprotein that is clinically associated with poor prognosis and chemoresistance in ovarian cancer. Mechanistically, ovarian cancer cells induced osteopontin expression and secretion by mesothelial cells through TGF-β signaling. Osteopontin facilitated ovarian cancer cell chemoresistance via the activation of the CD44 receptor, PI3K/AKT signaling, and ABC drug efflux transporter activity. Importantly, therapeutic inhibition of osteopontin markedly improved the efficacy of cisplatin in both human and mouse ovarian tumor xenografts. Collectively, our results highlight mesothelial cells as a key driver of ovarian cancer chemoresistance and suggest that therapeutic targeting of osteopontin may be an effective strategy for enhancing platinum sensitivity in ovarian cancer.
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Affiliation(s)
- Jin Qian
- Department of Radiation Oncology
| | | | - Kelsea M Hubka
- Department of Materials Science and Engineering, Stanford University, Stanford, California, USA
| | - Chenkai Ma
- Molecular Diagnostics Solutions, CSIRO Health and Biosecurity, North Ryde, New South Wales, Australia
| | | | | | | | - Katherine C Fuh
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Washington University, St. Louis, Missouri, USA
| | - Venkatesh Krishnan
- Department of Obstetrics and Gynecology, Stanford University, Stanford, California, USA
| | - Annika Enejder
- Department of Materials Science and Engineering, Stanford University, Stanford, California, USA
| | - Sarah C Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, California, USA
| | - Oliver Dorigo
- Department of Obstetrics and Gynecology, Stanford University, Stanford, California, USA
| | - Erinn B Rankin
- Department of Radiation Oncology.,Department of Obstetrics and Gynecology, Stanford University, Stanford, California, USA
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10
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Wang H, Jiang Y. SRp20: A potential therapeutic target for human tumors. Pathol Res Pract 2021; 224:153444. [PMID: 34126370 DOI: 10.1016/j.prp.2021.153444] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 04/11/2021] [Accepted: 04/11/2021] [Indexed: 12/12/2022]
Abstract
As an important member of SR protein family, SRp20 plays a crucial role in alternative splicing. It not only participates in cell cycle regulation, export of mRNA, cleaving of primary microRNAs, homologous recombination-mediated DNA repair, cellular senescence and apoptosis, but also gets involved in the integrity and pluripotency of genome. Alternative splicing maintains a strict balance in the body to ensure the normal physiological function of cells. Once the balance is broken, diseases, even tumors, will follow. Through the analysis of SRp20-related articles, we found that Alzheimer's disease, glaucoma, bipolar disorder and other diseases have a certain relationship with SRp20. More importantly, SRp20 is closely related to the occurrence, proliferation, invasion and metastasis of various tumors, as well as chemotherapy resistance. Some SRp20 inhibitors have shown significant anticancer efficacy, suggesting a potential therapeutic strategy for tumors.
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Affiliation(s)
- Han Wang
- Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Yanxia Jiang
- Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao, China.
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11
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Ceder S, Eriksson SE, Cheteh EH, Dawar S, Corrales Benitez M, Bykov VJN, Fujihara KM, Grandin M, Li X, Ramm S, Behrenbruch C, Simpson KJ, Hollande F, Abrahmsen L, Clemons NJ, Wiman KG. A thiol-bound drug reservoir enhances APR-246-induced mutant p53 tumor cell death. EMBO Mol Med 2021; 13:e10852. [PMID: 33314700 PMCID: PMC7863383 DOI: 10.15252/emmm.201910852] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/12/2022] Open
Abstract
The tumor suppressor gene TP53 is the most frequently mutated gene in cancer. The compound APR-246 (PRIMA-1Met/Eprenetapopt) is converted to methylene quinuclidinone (MQ) that targets mutant p53 protein and perturbs cellular antioxidant balance. APR-246 is currently tested in a phase III clinical trial in myelodysplastic syndrome (MDS). By in vitro, ex vivo, and in vivo models, we show that combined treatment with APR-246 and inhibitors of efflux pump MRP1/ABCC1 results in synergistic tumor cell death, which is more pronounced in TP53 mutant cells. This is associated with altered cellular thiol status and increased intracellular glutathione-conjugated MQ (GS-MQ). Due to the reversibility of MQ conjugation, GS-MQ forms an intracellular drug reservoir that increases availability of MQ for targeting mutant p53. Our study shows that redox homeostasis is a critical determinant of the response to mutant p53-targeted cancer therapy.
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Affiliation(s)
- Sophia Ceder
- Department of Oncology‐PathologyKarolinska InstitutetStockholmSweden
| | - Sofi E Eriksson
- Department of Oncology‐PathologyKarolinska InstitutetStockholmSweden
| | | | - Swati Dawar
- Peter MacCallum Cancer CentreMelbourneVic.Australia
| | | | | | - Kenji M Fujihara
- Peter MacCallum Cancer CentreMelbourneVic.Australia
- Sir Peter MacCallum Department of OncologyThe University of MelbourneParkvilleVic.Australia
| | - Mélodie Grandin
- Department of Clinical PathologyThe University of MelbourneMelbourneVic.Australia
- Victorian Comprehensive Cancer CentreUniversity of Melbourne Centre for Cancer ResearchMelbourneVic.Australia
| | - Xiaodun Li
- MRC Cancer UnitUniversity of CambridgeCambridgeUK
| | - Susanne Ramm
- Peter MacCallum Cancer CentreVictorian Centre for Functional GenomicsMelbourneVic.Australia
| | - Corina Behrenbruch
- Sir Peter MacCallum Department of OncologyThe University of MelbourneParkvilleVic.Australia
- Department of Clinical PathologyThe University of MelbourneMelbourneVic.Australia
| | - Kaylene J Simpson
- Peter MacCallum Cancer CentreVictorian Centre for Functional GenomicsMelbourneVic.Australia
| | - Frédéric Hollande
- Department of Clinical PathologyThe University of MelbourneMelbourneVic.Australia
- Victorian Comprehensive Cancer CentreUniversity of Melbourne Centre for Cancer ResearchMelbourneVic.Australia
| | | | - Nicholas J Clemons
- Peter MacCallum Cancer CentreMelbourneVic.Australia
- Sir Peter MacCallum Department of OncologyThe University of MelbourneParkvilleVic.Australia
| | - Klas G Wiman
- Department of Oncology‐PathologyKarolinska InstitutetStockholmSweden
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12
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Colavita JPM, Todaro JS, de Sousa M, May M, Gómez N, Yaneff A, Di Siervi N, Aguirre MV, Guijas C, Ferrini L, Davio C, Rodríguez JP. Multidrug resistance protein 4 (MRP4/ABCC4) is overexpressed in clear cell renal cell carcinoma (ccRCC) and is essential to regulate cell proliferation. Int J Biol Macromol 2020; 161:836-847. [PMID: 32553977 DOI: 10.1016/j.ijbiomac.2020.06.106] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/10/2020] [Accepted: 06/11/2020] [Indexed: 12/13/2022]
Abstract
Kidney cancer accounts for 2.5% of all cancers, with an annual global incidence of almost 300,000 cases leading to 111,000 deaths. Approximately 85% of kidney tumors are renal cell carcinoma (RCC) and their major histologic subtype is clear cell renal cell carcinoma (ccRCC). Although new therapeutic treatments are being designed and applied based on the combination of tyrosine kinase inhibitors and immunotherapy, no major impact on the mortality has been reported so far. MRP4 is a pump efflux that transporters multiple endogenous and exogenous substances. Recently it has been associated with tumoral persistence and cell proliferation in several types of cancer including pancreas, lung, ovary, colon, ostesarcoma, etc. Herein, we demonstrate for the first time, that MRP4 is overexpressed in ccRCC tumors, compared to control renal tissues. In addition, using cell culture models, we observed that MRP4 pharmacological inhibition produces an imbalance in cAMP metabolism, induces cell arrest, changes in lipid composition, increase in cytoplasmic lipid droplets and finally apoptosis. These data provide solid evidence for the future evaluation of MRP4 as a possible new therapeutic target in ccRCC.
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Affiliation(s)
- Juan Pablo Melana Colavita
- Laboratorio de Investigaciones Bioquímicas de la Facultad de Medicina (LIBIM), Instituto de Química Básica y Aplicada del NEA, (IQUIBA NEA-UNNE-CONICET), Facultad de Medicina, Universidad Nacional del Nordeste, 3400 Corrientes, Argentina
| | - Juan Santiago Todaro
- Laboratorio de Investigaciones Bioquímicas de la Facultad de Medicina (LIBIM), Instituto de Química Básica y Aplicada del NEA, (IQUIBA NEA-UNNE-CONICET), Facultad de Medicina, Universidad Nacional del Nordeste, 3400 Corrientes, Argentina
| | - Maximiliano de Sousa
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 1000 Buenos Aires, Argentina
| | - María May
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 1000 Buenos Aires, Argentina
| | - Natalia Gómez
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 1000 Buenos Aires, Argentina
| | - Agustin Yaneff
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 1000 Buenos Aires, Argentina
| | - Nicolas Di Siervi
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 1000 Buenos Aires, Argentina
| | - María Victoria Aguirre
- Laboratorio de Investigaciones Bioquímicas de la Facultad de Medicina (LIBIM), Instituto de Química Básica y Aplicada del NEA, (IQUIBA NEA-UNNE-CONICET), Facultad de Medicina, Universidad Nacional del Nordeste, 3400 Corrientes, Argentina
| | - Carlos Guijas
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Valladolid, 47003 Valladolid, Spain
| | - Leandro Ferrini
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 1000 Buenos Aires, Argentina
| | - Carlos Davio
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 1000 Buenos Aires, Argentina
| | - Juan Pablo Rodríguez
- Laboratorio de Investigaciones Bioquímicas de la Facultad de Medicina (LIBIM), Instituto de Química Básica y Aplicada del NEA, (IQUIBA NEA-UNNE-CONICET), Facultad de Medicina, Universidad Nacional del Nordeste, 3400 Corrientes, Argentina.
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13
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Jung M, Gao J, Cheung L, Bongers A, Somers K, Clifton M, Ramsay EE, Russell AJ, Valli E, Gifford AJ, George J, Kennedy CJ, Wakefield MJ, Topp M, Ho GY, Scott CL, Bowtell DD, deFazio A, Norris MD, Haber M, Henderson MJ. ABCC4/MRP4 contributes to the aggressiveness of Myc-associated epithelial ovarian cancer. Int J Cancer 2020; 147:2225-2238. [PMID: 32277480 DOI: 10.1002/ijc.33005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 03/15/2020] [Accepted: 03/20/2020] [Indexed: 12/24/2022]
Abstract
Epithelial ovarian cancer (EOC) is a complex disease comprising discrete histological and molecular subtypes, for which survival rates remain unacceptably low. Tailored approaches for this deadly heterogeneous disease are urgently needed. Efflux pumps belonging to the ATP-binding cassette (ABC) family of transporters are known for roles in both drug resistance and cancer biology and are also highly targetable. Here we have investigated the association of ABCC4/MRP4 expression to clinical outcome and its biological function in endometrioid and serous tumors, common histological subtypes of EOC. We found high expression of ABCC4/MRP4, previously shown to be directly regulated by c-Myc/N-Myc, was associated with poor prognosis in endometrioid EOC (P = .001) as well as in a subset of serous EOC with a "high-MYCN" profile (C5/proliferative; P = .019). Transient siRNA-mediated suppression of MRP4 in EOC cells led to reduced growth, migration and invasion, with the effects being most pronounced in endometrioid and C5-like serous cells compared to non-C5 serous EOC cells. Sustained knockdown of MRP4 also sensitized endometrioid cells to MRP4 substrate drugs. Furthermore, suppression of MRP4 decreased the growth of patient-derived EOC cells in vivo. Together, our findings provide the first evidence that MRP4 plays an important role in the biology of Myc-associated ovarian tumors and highlight this transporter as a potential therapeutic target for EOC.
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Affiliation(s)
- Moonsun Jung
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia.,School of Women's and Children's Health, UNSW Australia, Kensington, New South Wales, Australia
| | - Jixuan Gao
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia
| | - Leanna Cheung
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia
| | - Angelika Bongers
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia
| | - Klaartje Somers
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia.,School of Women's and Children's Health, UNSW Australia, Kensington, New South Wales, Australia
| | - Molly Clifton
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia
| | - Emma E Ramsay
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia
| | - Amanda J Russell
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia
| | - Emanuele Valli
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia
| | - Andrew J Gifford
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia.,Department of Anatomical Pathology, Prince of Wales Hospital, Randwick, New South Wales, Australia
| | - Joshy George
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Catherine J Kennedy
- Department of Gynecological Oncology, Westmead Hospital and Centre for Cancer Research, The Westmead Millennium Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia
| | - Matthew J Wakefield
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
| | - Monique Topp
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
| | - Gwo-Yaw Ho
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
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- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Clare L Scott
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
| | - David D Bowtell
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Anna deFazio
- Department of Gynecological Oncology, Westmead Hospital and Centre for Cancer Research, The Westmead Millennium Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia
| | - Murray D Norris
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia.,School of Women's and Children's Health, UNSW Australia, Kensington, New South Wales, Australia.,University of New South Wales Centre for Childhood Cancer Research, UNSW Australia, Kensington, New South Wales, Australia
| | - Michelle Haber
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia.,School of Women's and Children's Health, UNSW Australia, Kensington, New South Wales, Australia
| | - Michelle J Henderson
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Australia, Kensington, New South Wales, Australia.,School of Women's and Children's Health, UNSW Australia, Kensington, New South Wales, Australia
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14
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Dasari VR, Carey DJ, Gogoi R. Synergistic enhancement of efficacy of platinum drugs with verteporfin in ovarian cancer cells. BMC Cancer 2020; 20:273. [PMID: 32245422 PMCID: PMC7318501 DOI: 10.1186/s12885-020-06752-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 03/12/2020] [Indexed: 01/12/2023] Open
Abstract
Background Epithelial ovarian cancers (EOCs) comprises the majority of malignant ovarian neoplasms. Combination treatment with chemotherapeutic agents seems to be a promising strategy in ovarian cancer (OVCA) patients in order to overcome drug resistance. In this in vitro study, we investigated the therapeutic efficacy of verteporfin (VP) alone and in combination with cisplatin (CDDP), carboplatin (CP) and paclitaxel (Taxol). The main objectives of this study are to determine the nature of interactions between VP and CDDP/CP/Taxol and to understand the mechanism of action of VP in OVCA cells. Methods The efficacy of VP on cell proliferation, cytotoxicity, invasion and clonogenic capacity was assayed in CDDP-sensitive (COV504, OV-90) and CDDP-resistant (A2780Cis) cell lines. The cytotoxic effects of drugs either alone or in combination were evaluated using MTT assay and Cell Viability Blue assay. The effects of drugs on the metabolic functions were studied using matrigel invasion assay and clonogenic assay. Immunoblot analysis was carried out to investigate changes in YAP and cell cycle genes. Changes in the cytokines due to drug treatments were analyzed using a cytokine array. Results Treatment with VP inhibited cell proliferation, invasion and increased cytotoxicity of OVCA cells. We observed that VP chemosensitized CDDP-resistant cells, even at lower doses. When added either in constant or non-constant ratios, VP produced synergistic effects in combination with CDDP/CP/Taxol. A cytokine array identified upregulation of cytokines in OVCA cells that were inhibited by VP treatment. Conclusions Either in cisplatin-resistant cell lines or cisplatin-sensitive cell lines, VP proves to be more efficient in inhibiting cell proliferation and inducing cytotoxicity. Our results suggest that novel combinations of VP with CDDP or CP or Taxol might be an attractive therapeutic strategy to enhance OVCA chemosensitivity. The fact that lower doses of VP are effective in chemosensitizing the CDDP-resistant cells, might ultimately lead to the development of an innovative combination therapy for the treatment of OVCA patients.
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Affiliation(s)
- Venkata Ramesh Dasari
- Department of Molecular and Functional Genomics, Weis Center for Research, Geisinger Medical Center, Danville, PA, USA
| | - David J Carey
- Department of Molecular and Functional Genomics, Weis Center for Research, Geisinger Medical Center, Danville, PA, USA
| | - Radhika Gogoi
- Department of Molecular and Functional Genomics, Weis Center for Research, Geisinger Medical Center, Danville, PA, USA. .,Department of Women's Health, Geisinger Medical Center, Danville, PA, USA.
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15
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Mao X, He Z, Zhou F, Huang Y, Zhu G. Prognostic significance and molecular mechanisms of adenosine triphosphate-binding cassette subfamily C members in gastric cancer. Medicine (Baltimore) 2019; 98:e18347. [PMID: 31852133 PMCID: PMC6922578 DOI: 10.1097/md.0000000000018347] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Gastric cancer (GC) is one of the major leading causes of tumor-related deaths worldwide. Adenosine triphosphate-binding cassette subfamily C (ABCC) consists of 13 members, ABCC1 to 13, which were examined for their associations with GC.The online Kaplan-Meier Plotter database was used to determine the prognostic significance of ABCC subfamily members in GC. Stratified analyses were performed using gender, disease stage, degree of tumor differentiation, expression of human epidermal growth factor receptor 2 (HER2), and Lauren classification. Molecular mechanisms were examined using the database for annotation, visualization, and integrated discovery database.ABCC1, ABCC3, ABCC7, ABCC8, ABCC9, and ABCC10 expression showed prognostic significance in the whole population and in male and female subpopulations (all P ≤ .05). Furthermore, high expression of most ABCC family members always suggested a poor prognosis, except for ABCC7 (P > .05). Stratified analyses revealed that ABCC1, ABCC3, ABCC7, ABCC8, ABCC9, and ABCC10 expression showed prognostic significance for the whole population, as well as male and female populations. ABCC2 and ABCC9 were significantly correlated with all disease stages, while ABCC2 and ABCC6 were significantly correlated with all Lauren classifications. Expression of ABCC1, ABCC3, ABCC5, ABCC7, ABCC8, ABCC9, and ABCC10 was significantly correlated with either negative or positive of HER2 status (all P ≤ .05). Enrichment analysis indicated that these genes were involved in ATPase activity, transmembrane transport, or were ABC transporters (all P ≤ .05).ABCC1, ABCC3, ABCC7, ABCC8, ABCC9, and ABCC10 may be potential prognosis biomarkers for GC, acting as ABC transporters and via ATPase activity.
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Affiliation(s)
- Xianshuang Mao
- Department of Hepatobiliary Gastrointestinal Surgery, The People's Hospital of Hezhou City, Hezhou
| | - Zhenhua He
- Department of Hepatobiliary Gastrointestinal Surgery, The People's Hospital of Hezhou City, Hezhou
| | - Fengsheng Zhou
- Department of Hepatobiliary Gastrointestinal Surgery, The People's Hospital of Hezhou City, Hezhou
| | - Yongchu Huang
- Department of Hepatobiliary Gastrointestinal Surgery, The People's Hospital of Hezhou City, Hezhou
| | - Guangzhi Zhu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, China
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16
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Nagy RA, Hollema H, Andrei D, Jurdzinski A, Kuipers F, Hoek A, Tietge UJ. The Origin of Follicular Bile Acids in the Human Ovary. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:2036-2045. [DOI: 10.1016/j.ajpath.2019.06.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 05/22/2019] [Accepted: 06/10/2019] [Indexed: 01/31/2023]
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17
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Yaneff A, Sahores A, Gómez N, Carozzo A, Shayo C, Davio C. MRP4/ABCC4 As a New Therapeutic Target: Meta-Analysis to Determine cAMP Binding Sites as a Tool for Drug Design. Curr Med Chem 2019; 26:1270-1307. [PMID: 29284392 DOI: 10.2174/0929867325666171229133259] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 12/01/2017] [Accepted: 12/14/2017] [Indexed: 02/06/2023]
Abstract
MRP4 transports multiple endogenous and exogenous substances and is critical not only for detoxification but also in the homeostasis of several signaling molecules. Its dysregulation has been reported in numerous pathological disorders, thus MRP4 appears as an attractive therapeutic target. However, the efficacy of MRP4 inhibitors is still controversial. The design of specific pharmacological agents with the ability to selectively modulate the activity of this transporter or modify its affinity to certain substrates represents a challenge in current medicine and chemical biology. The first step in the long process of drug rational design is to identify the therapeutic target and characterize the mechanism by which it affects the given pathology. In order to develop a pharmacological agent with high specific activity, the second step is to systematically study the structure of the target and identify all the possible binding sites. Using available homology models and mutagenesis assays, in this review we recapitulate the up-to-date knowledge about MRP structure and aligned amino acid sequences to identify the candidate MRP4 residues where cyclic nucleotides bind. We have also listed the most relevant MRP inhibitors studied to date, considering drug safety and specificity for MRP4 in particular. This meta-analysis platform may serve as a basis for the future development of inhibitors of MRP4 cAMP specific transport.
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Affiliation(s)
- Agustín Yaneff
- Instituto de Investigaciones Farmacologicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Ana Sahores
- Instituto de Investigaciones Farmacologicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Natalia Gómez
- Instituto de Investigaciones Farmacologicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Alejandro Carozzo
- Instituto de Investigaciones Farmacologicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carina Shayo
- Instituto de Biologia y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
| | - Carlos Davio
- Instituto de Investigaciones Farmacologicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Buenos Aires, Argentina
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18
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Molecular docking of anti-inflammatory drug diclofenac with metabolic targets: Potential applications in cancer therapeutics. J Theor Biol 2019; 465:117-125. [DOI: 10.1016/j.jtbi.2019.01.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 01/10/2019] [Accepted: 01/11/2019] [Indexed: 12/13/2022]
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19
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Seborova K, Vaclavikova R, Soucek P, Elsnerova K, Bartakova A, Cernaj P, Bouda J, Rob L, Hruda M, Dvorak P. Association of ABC gene profiles with time to progression and resistance in ovarian cancer revealed by bioinformatics analyses. Cancer Med 2019; 8:606-616. [PMID: 30672151 PMCID: PMC6382717 DOI: 10.1002/cam4.1964] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 12/07/2018] [Accepted: 12/18/2018] [Indexed: 12/31/2022] Open
Abstract
Introduction Ovarian cancer (OC) represents a serious disease with high mortality and lack of efficient predictive and prognostic biomarkers. ATP‐binding cassette (ABC) proteins constitute a large family dedicated to active transmembrane transport including transport of xenobiotics. Materials and methods mRNA level was measured by quantitative RT‐PCR in tumor tissues from OC patients. Bioinformatics analyses were applied to two gene expression datasets (60 primary tumors and 29 peritoneal metastases). Two different approaches of expression data normalization were applied in parallel, and their results were compared. Data from publically available cancer datasets were checked to further validate our conclusions. Results The results showed significant connections between ABC gene expression profiles and time to progression (TTP), chemotherapy resistance, and metastatic progression in OC. Two consensus ABC gene profiles with clinical meaning were documented. (a) Downregulation of ABCC4, ABCC10, ABCD3, ABCE1, ABCF1, ABCF2, and ABCF3 was connected with the best sensitivity to chemotherapy and TTP. (b) Oppositely, downregulation of ABCB11 and upregulation of ABCB1 and ABCG2 were connected with the worst sensitivity to chemotherapy and TTP. Results from publicly available online databases supported our conclusions. Conclusion This study stressed the connection between two well‐documented ABC genes and clinicopathological features—ABCB1 and ABCG2. Moreover, we showed a comparable connection also for several other ABC genes—ABCB11, ABCC4, ABCC10, ABCD3,ABCE1, ABCF1, ABCF2, and ABCF3. Our results add new clinically relevant information to this oncology field and can stimulate further exploration.
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Affiliation(s)
- Karolina Seborova
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic.,Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Radka Vaclavikova
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic.,Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Pavel Soucek
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic.,Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Katerina Elsnerova
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic.,Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.,Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Alena Bartakova
- Department of Gynecology and Obstetrics, Faculty of Medicine and University Hospital in Pilsen, Charles University, Pilsen, Czech Republic
| | - Petr Cernaj
- Department of Gynecology and Obstetrics, Faculty of Medicine and University Hospital in Pilsen, Charles University, Pilsen, Czech Republic
| | - Jiri Bouda
- Department of Gynecology and Obstetrics, Faculty of Medicine and University Hospital in Pilsen, Charles University, Pilsen, Czech Republic
| | - Lukas Rob
- Department of Gynecology and Obstetrics, Third Faculty of Medicine and Faculty Hospital Kralovske Vinohrady, Charles University, Prague, Czech Republic
| | - Martin Hruda
- Department of Gynecology and Obstetrics, Third Faculty of Medicine and Faculty Hospital Kralovske Vinohrady, Charles University, Prague, Czech Republic
| | - Pavel Dvorak
- Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.,Department of Biology, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
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20
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Orlando UD, Castillo AF, Medrano MAR, Solano AR, Maloberti PM, Podesta EJ. Acyl-CoA synthetase-4 is implicated in drug resistance in breast cancer cell lines involving the regulation of energy-dependent transporter expression. Biochem Pharmacol 2019; 159:52-63. [DOI: 10.1016/j.bcp.2018.11.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 11/05/2018] [Indexed: 12/26/2022]
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21
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Wong ILK, Zhu X, Chan KF, Law MC, Lo AMY, Hu X, Chow LMC, Chan TH. Discovery of Novel Flavonoid Dimers To Reverse Multidrug Resistance Protein 1 (MRP1, ABCC1) Mediated Drug Resistance in Cancers Using a High Throughput Platform with "Click Chemistry". J Med Chem 2018; 61:9931-9951. [PMID: 30351934 DOI: 10.1021/acs.jmedchem.8b00834] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A 300-member flavonoid dimer library of multidrug resistance-associated protein 1 (MRP1, ABCC1) modulators was rapidly assembled using "click chemistry". Subsequent high-throughput screening has led to the discovery of highly potent (EC50 ranging from 53 to 298 nM) and safe (selective indexes ranging from >190 to >1887) MRP1 modulators. Some dimers have potency about 6.5- to 36-fold and 64- to 358-fold higher than the well-known MRP1 inhibitors, verapamil, and MK571, respectively. They inhibited DOX efflux and restored intracellular DOX concentration. The most potent modulator, Ac3Az11, was predicted to bind to the bipartite substrate-binding site of MRP1 in a competitive manner. Moreover, it provided sufficient concentration to maintain its plasma level above its in vitro EC50 (53 nM for DOX) for about 90 min. Overall, we demonstrate that "click chemistry" coupled with high throughput screening is a rapid, reliable, and efficient tool in the discovery of compounds having potent MRP1-modualting activity.
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Affiliation(s)
- Iris L K Wong
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China
| | - Xuezhen Zhu
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China
| | - Kin-Fai Chan
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China
| | - Man Chun Law
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China
| | - Aya M Y Lo
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China
| | - Xuesen Hu
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China
| | - Larry M C Chow
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China
| | - Tak Hang Chan
- Department of Applied Biology and Chemical Technology and State Key Laboratory of Chemical Biology and Drug Discovery , Hong Kong Polytechnic University , Hong Kong SAR , China.,Department of Chemistry , McGill University , Montreal , Quebec H3A 2K6 , Canada
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22
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Osa-Andrews B, Tan KW, Sampson A, Iram SH. Development of Novel Intramolecular FRET-Based ABC Transporter Biosensors to Identify New Substrates and Modulators. Pharmaceutics 2018; 10:pharmaceutics10040186. [PMID: 30322148 PMCID: PMC6321552 DOI: 10.3390/pharmaceutics10040186] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 10/10/2018] [Accepted: 10/12/2018] [Indexed: 12/14/2022] Open
Abstract
Multidrug resistance protein 1 (MRP1) can efflux a wide variety of molecules including toxic chemicals, drugs, and their derivatives out of cells. Substrates of MRP1 include anti-cancer agents, antibiotics, anti-virals, anti-human immunodeficiency virus (HIV), and many other drugs. To identify novel substrates and modulators of MRP1 by exploiting intramolecular fluorescence resonance energy transfer (FRET), we genetically engineered six different two-color MRP1 proteins by changing green fluorescent protein (GFP) insertion sites, while keeping the red fluorescent protein (RFP) at the C-terminal of MRP1. Four of six recombinant proteins showed normal expression, localization, and transport activity. We quantified intramolecular FRET using ensemble fluorescence spectroscopy in response to binding of known substrate or ATP alone, substrate/ATP, and trapping of the transporter in closed conformation by vanadate. Recombinant MRP1 proteins GR-881, GR-888, and GR-905 exhibited reproducible and higher FRET changes under all tested conditions and are very promising for use as MRP1 biosensors. Furthermore, we used GR-881 to screen 40 novel anti-cancer drugs and identified 10 hits that potentially directly interact with MRP1 and could be substrates or modulators. Profiling of drug libraries for interaction with MRP1 can provide very useful information to improve the efficacy and reduce the toxicity of various therapies.
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Affiliation(s)
- Bremansu Osa-Andrews
- Department of Chemistry & Biochemistry, College of Arts and Sciences, South Dakota State University, Brookings, SD 57007, USA.
| | - Kee W Tan
- Department of Chemistry & Biochemistry, College of Arts and Sciences, South Dakota State University, Brookings, SD 57007, USA.
| | - Angelina Sampson
- Department of Chemistry & Biochemistry, College of Arts and Sciences, South Dakota State University, Brookings, SD 57007, USA.
| | - Surtaj H Iram
- Department of Chemistry & Biochemistry, College of Arts and Sciences, South Dakota State University, Brookings, SD 57007, USA.
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23
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Rižner TL, Thalhammer T, Özvegy-Laczka C. The Importance of Steroid Uptake and Intracrine Action in Endometrial and Ovarian Cancers. Front Pharmacol 2017; 8:346. [PMID: 28674494 PMCID: PMC5474471 DOI: 10.3389/fphar.2017.00346] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 05/22/2017] [Indexed: 01/06/2023] Open
Abstract
Endometrial and ovarian cancers predominately affect women after menopause, and are more frequently observed in developed countries. These are considered to be hormone-dependent cancers, as steroid hormones, and estrogens in particular, have roles in their onset and progression. After the production of estrogens in the ovary has ceased, estrogen synthesis occurs in peripheral tissues. This depends on the cellular uptake of estrone-sulfate and dehydroepiandrosterone-sulfate, as the most important steroid precursors in the plasma of postmenopausal women. The uptake through transporter proteins, such as those of the organic anion-transporting polypeptide (OATP) and organic anion-transporter (OAT) families, is followed by the synthesis and action of estradiol E2. Here, we provide an overview of the current understanding of this intracrine action of steroid hormones, which depends on the availability of the steroid precursors and transmembrane transporters for precursor uptake, along with the enzymes for the synthesis of E2. The data is also provided relating to the selected transmembrane transporters from the OATP, OAT, SLC51, and ABC-transporter families, and the enzymes involved in the E2-generating pathways in cancers of the endometrium and ovary. Finally, we discuss these transporters and enzymes as potential drug targets.
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Affiliation(s)
- Tea Lanišnik Rižner
- Institute of Biochemistry, Faculty of Medicine, University of LjubljanaLjubljana, Slovenia
| | - Theresia Thalhammer
- Department of Pathophysiology and Allergy Research, Centre for Pathophysiology, Infectiology and Immunology, Medical University of ViennaVienna, Austria
| | - Csilla Özvegy-Laczka
- Momentum Membrane Protein Research Group, Research Centre for Natural Sciences, Institute of Enzymology, Hungarian Academy of SciencesBudapest, Hungary
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24
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Overcoming bottlenecks in the membrane protein structural biology pipeline. Biochem Soc Trans 2017; 44:838-44. [PMID: 27284049 DOI: 10.1042/bst20160049] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Indexed: 02/07/2023]
Abstract
Membrane proteins account for a third of the eukaryotic proteome, but are greatly under-represented in the Protein Data Bank. Unfortunately, recent technological advances in X-ray crystallography and EM cannot account for the poor solubility and stability of membrane protein samples. A limitation of conventional detergent-based methods is that detergent molecules destabilize membrane proteins, leading to their aggregation. The use of orthologues, mutants and fusion tags has helped improve protein stability, but at the expense of not working with the sequence of interest. Novel detergents such as glucose neopentyl glycol (GNG), maltose neopentyl glycol (MNG) and calixarene-based detergents can improve protein stability without compromising their solubilizing properties. Styrene maleic acid lipid particles (SMALPs) focus on retaining the native lipid bilayer of a membrane protein during purification and biophysical analysis. Overcoming bottlenecks in the membrane protein structural biology pipeline, primarily by maintaining protein stability, will facilitate the elucidation of many more membrane protein structures in the near future.
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25
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Cerovska E, Elsnerova K, Vaclavikova R, Soucek P. The role of membrane transporters in ovarian cancer chemoresistance and prognosis. Expert Opin Drug Metab Toxicol 2017; 13:741-753. [PMID: 28511565 DOI: 10.1080/17425255.2017.1332179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Ovarian cancer has the highest mortality rate of all cancers in women. There is currently no effective method for early diagnosis, limiting the precision of clinical expectations. Predictions of therapeutic efficacy are currently not available either. Specifically, the development of chemoresistance against conventional chemotherapy poses a fundamental complication. Some membrane transporters have been reported to influence chemoresistance, which is often associated with a poor prognosis. Areas covered: The aim of this article is to review the existing information about membrane transporters and their role in both ovarian cancer chemoresistance and its outcomes. We then highlight limitations of current methodologies and suggest alternatives providing avenues for future research. Expert opinion: Membrane transporters play an important role in development of chemoresistance and affect prognosis of ovarian cancer patients; however, due to variations in methodology and in patient populations, their specific roles have yet to be clarified. For further evaluation of the clinical utility of membrane transporters, it is essential to validate results and improve methods for marker assessment across laboratories. A promising area for future research is to identify the genetic variability in potential markers in peripheral blood. These markers would then stratify patients into defined groups for optimal intervention.
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Affiliation(s)
- Ela Cerovska
- a Toxicogenomics Unit , National Institute of Public Health , Prague , Czech Republic
| | - Katerina Elsnerova
- a Toxicogenomics Unit , National Institute of Public Health , Prague , Czech Republic.,b 3rd Faculty of Medicine , Charles University , Prague , Czech Republic.,c Biomedical Center, Faculty of Medicine in Pilsen , Charles University , Pilsen , Czech Republic
| | - Radka Vaclavikova
- a Toxicogenomics Unit , National Institute of Public Health , Prague , Czech Republic.,c Biomedical Center, Faculty of Medicine in Pilsen , Charles University , Pilsen , Czech Republic
| | - Pavel Soucek
- a Toxicogenomics Unit , National Institute of Public Health , Prague , Czech Republic.,c Biomedical Center, Faculty of Medicine in Pilsen , Charles University , Pilsen , Czech Republic
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26
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Zanotti L, Romani C, Tassone L, Todeschini P, Tassi RA, Bandiera E, Damia G, Ricci F, Ardighieri L, Calza S, Marchini S, Beltrame L, Tognon G, D'Incalci M, Pecorelli S, Sartori E, Odicino F, Ravaggi A, Bignotti E. MAL gene overexpression as a marker of high-grade serous ovarian carcinoma stem-like cells that predicts chemoresistance and poor prognosis. BMC Cancer 2017; 17:366. [PMID: 28545541 PMCID: PMC5445497 DOI: 10.1186/s12885-017-3334-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 05/09/2017] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND The existence of cancer stem cells (CSCs) within a tumor bulk has been demonstrated for many solid tumors including epithelial ovarian carcinoma (EOC). CSCs have been associated to tumor invasion, metastasis and development of chemoresistant recurrences. In this context, we aim to characterize EOC CSCs from the molecular point of view in order to identify potential biomarkers associated with chemoresistance. METHODS We isolated a population of cells with stem-like characteristics (OVA-BS4 spheroids) from a primary human EOC cell line under selective conditions. OVA-BS4 spheroids were characterized for drug response by cytotoxicity assays and their molecular profile was investigated by microarray and RT-qPCR. Finally, we performed a gene expression study in a cohort of 74 high-grade serous EOC (HGSOC) patients by RT-qPCR. RESULTS Spheroids exhibited properties of self-renewal and a pronounced expression of well-known stem cell genes. Moreover, they demonstrated greater resistance towards several anticancer drugs compared to parent cell line, consistent with their higher ABCG2 gene expression. From microarray studies MAL (T-cell differentiation protein) emerged as the most up-regulated gene in spheroids, compared to parent cell line. In HGSOC patients, MAL was significantly overexpressed in platinum-resistant compared to platinum-sensitive patients and resulted as an independent prognostic marker of survival. CONCLUSIONS This investigation provides an important contribution to the identification of molecular markers of ovarian CSCs and chemoresistance. Successful translation of molecular findings would lead to a better comprehension of the mechanisms triggering chemoresistant recurrences, to the individuation of novel therapeutic targets and to the personalization of treatment regimens.
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Affiliation(s)
- Laura Zanotti
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy.
| | - Chiara Romani
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy
| | - Laura Tassone
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy
| | - Paola Todeschini
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy
| | - Renata Alessandra Tassi
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy
| | - Elisabetta Bandiera
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy
| | - Giovanna Damia
- Department of Oncology, IRCCS, "Mario Negri" Institute for Pharmacological Research, Milan, Italy
| | - Francesca Ricci
- Department of Oncology, IRCCS, "Mario Negri" Institute for Pharmacological Research, Milan, Italy
| | - Laura Ardighieri
- Department of Pathology, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Stefano Calza
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Sergio Marchini
- Department of Oncology, IRCCS, "Mario Negri" Institute for Pharmacological Research, Milan, Italy
| | - Luca Beltrame
- Department of Oncology, IRCCS, "Mario Negri" Institute for Pharmacological Research, Milan, Italy
| | - Germana Tognon
- Division of Obstetrics and Gynecology, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Maurizio D'Incalci
- Department of Oncology, IRCCS, "Mario Negri" Institute for Pharmacological Research, Milan, Italy
| | - Sergio Pecorelli
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy
| | - Enrico Sartori
- Department of Obstetrics and Gynecology, University of Brescia, Brescia, Italy
| | - Franco Odicino
- Department of Obstetrics and Gynecology, University of Brescia, Brescia, Italy
| | - Antonella Ravaggi
- "Angelo Nocivelli" Institute of Molecular Medicine, Division of Obstetrics and Gynecology, University of Brescia, P.le Spedali Civili 1, 25123, Brescia, Italy
| | - Eliana Bignotti
- Division of Obstetrics and Gynecology, ASST Spedali Civili di Brescia, Brescia, Italy
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27
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Personalisierte Medizin bei soliden Tumoren. MED GENET-BERLIN 2017. [DOI: 10.1007/s11825-016-0116-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Zusammenfassung
Ein personalisierter Therapieansatz wird in der Behandlung solider Tumore seit Entdeckung der Hormonabhängigkeit von Mammakarzinomen verfolgt. Die verbesserten technischen Möglichkeiten, einen Tumor über die Organzugehörigkeit und den histopathologischen Befund hinaus zu charakterisieren, bringen neue Therapiemöglichkeiten hervor. Im Folgenden werden bereits existierende gezielte Therapieansätze und Resistenzmechanismen beschrieben. Neben einer Erläuterung der praktischen Anwendung der neuen Techniken wie Genexpressionsprofile und die Untersuchung von Tumormaterial auf somatische Mutationen in einer Vielzahl von Genen wird auch der neuen Entwicklung einer Therapie auf der Basis von Keimbahnmutationen in den Genen BRCA1 und BRCA2 mit dem PARP-Inhibitor Olaparib Rechnung getragen und ein Ausblick auf zukünftige Entwicklungen wie Liquid Biopsy erbracht.
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28
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Ricci JW, Lovato DM, Severns V, Sklar LA, Larson RS. Novel ABCG2 Antagonists Reverse Topotecan-Mediated Chemotherapeutic Resistance in Ovarian Carcinoma Xenografts. Mol Cancer Ther 2016; 15:2853-2862. [PMID: 27671528 DOI: 10.1158/1535-7163.mct-15-0789] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 08/17/2016] [Accepted: 09/14/2016] [Indexed: 11/16/2022]
Abstract
Chemotherapeutic resistance remains a challenge in the treatment of ovarian carcinoma, especially in recurrent disease. Despite the fact that most patients with newly diagnosed tumors attain complete remission following cytoreductive surgery and chemotherapy, ovarian carcinoma has a recurrence rate that exceeds 75%. The ATP-binding cassette family G member 2 (ABCG2) efflux protein has been described as one mechanism that confers multiple-drug resistance to solid tumors and contributes to topotecan resistance in ovarian carcinoma. In fact, one clinical trial demonstrated ABCG2 expression in all patients with primary or recurrent ovarian carcinoma. On the basis of our previous work, we hypothesized that three compounds (CID44640177, CID1434724, and CID46245505), which represent a new piperazine-substituted pyrazolo[1,5]pyrimidine substructure class of ABCG2-specific antagonists, would restore chemosensitivity to drug-resistant ovarian cancer in vitro and in vivo To address the treatment difficulties associated with chemotherapeutic resistance in ovarian cancer, we combined each compound (CID44640177, CID1434724, and CID46245505) with topotecan and administered the mixture to chemoresistant Igrov1/T8 ovarian cancer cells in vitro and Igrov1/T8 xenografts in CB-17 SCID mice. We found that only nanomolar concentrations of each ABCG2 inhibitor in combination with topotecan were required to restore chemosensitivity to Igrov1/T8 cells in vitro In vivo, substantial tumor reduction was achieved with each compound in 4 days, with CID1434724 causing the largest reduction in excess of 60%. No signs of secondary toxic effects were observed with the ABCG2 antagonists. These novel compounds should be viewed as promising drug candidates to reverse ABCG2-mediated chemoresistance. Mol Cancer Ther; 15(12); 2853-62. ©2016 AACR.
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Affiliation(s)
- Jerec W Ricci
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Debbie M Lovato
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Virginia Severns
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Larry A Sklar
- Department of Pathology, University of New Mexico, Albuquerque, New Mexico
| | - Richard S Larson
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico.
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29
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Unique proteome signature of post-chemotherapy ovarian cancer ascites-derived tumor cells. Sci Rep 2016; 6:30061. [PMID: 27470985 PMCID: PMC4965858 DOI: 10.1038/srep30061] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 06/27/2016] [Indexed: 12/25/2022] Open
Abstract
Eighty % of ovarian cancer patients diagnosed at an advanced-stage have complete remission after initial surgery and chemotherapy. However, most patients die within <5 years due to episodes of recurrences resulting from the growth of residual chemoresistant cells. In an effort to identify mechanisms associated with chemoresistance and recurrence, we compared the expression of proteins in ascites-derived tumor cells isolated from advanced-stage ovarian cancer patients obtained at diagnosis (chemonaive, CN) and after chemotherapy treatments (chemoresistant/at recurrence, CR) by using in-depth, high-resolution label-free quantitative proteomic profiling. A total of 2,999 proteins were identified. Using a stringent selection criterion to define only significantly differentially expressed proteins, we report identification of 353 proteins. There were significant differences in proteins encoding for immune surveillance, DNA repair mechanisms, cytoskeleton rearrangement, cell-cell adhesion, cell cycle pathways, cellular transport, and proteins involved with glycine/proline/arginine synthesis in tumor cells isolated from CR relative to CN patients. Pathway analyses revealed enrichment of metabolic pathways, DNA repair mechanisms and energy metabolism pathways in CR tumor cells. In conclusion, this is the first proteomics study to comprehensively analyze ascites-derived tumor cells from CN and CR ovarian cancer patients.
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30
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Thulasiraman P, Johnson AB. Regulation of Mucin 1 and multidrug resistance protein 1 by honokiol enhances the efficacy of doxorubicin-mediated growth suppression in mammary carcinoma cells. Int J Oncol 2016; 49:479-86. [PMID: 27221150 PMCID: PMC4922838 DOI: 10.3892/ijo.2016.3534] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 04/06/2016] [Indexed: 01/16/2023] Open
Abstract
Understanding the link between chemoresistance and cancer progression may identify future targeted therapy for breast cancer. One of the mechanisms by which chemoresistance is attained in cancer cells is mediated through the expression of multidrug resistance proteins (MRPs). Acquiring drug resistance has been correlated to the emergence of metastasis, accounting for the progression of the disease. One of the diagnostic markers of metastatic progression is the overexpression of a transmembrane protein called Mucin 1 (MUC1) which has been implicated in reduced survival rate. The objective of this study was to understand the relationship between MUC1 and MRP1 using natural phenolic compound isolated from Magnolia grandiflora, honokiol, in mammary carcinoma cells. We provide evidence that honokiol suppresses the expression level of MUC1 and MRP1 in mammary carcinoma cells. In a time-dependent manner, honokiol-mediated reduction of MUC1 is followed by a reduction of MRP1 expression in the breast cancer cells. Additionally, silencing MUC1 suppresses the expression level of MRP1 and enhances the efficacy of doxorubicin, an MRP1 substrate. Taken together, these findings suggest MUC1 regulates the expression of MRP1 and provides a direct link between cancer progression and chemoresistance in mammary carcinoma cells.
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Affiliation(s)
- Padmamalini Thulasiraman
- Department of Biomedical Sciences, College of Allied Health, University of South Alabama, Mobile, AL 36688, USA
| | - Andrea Butts Johnson
- Department of Biomedical Sciences, College of Allied Health, University of South Alabama, Mobile, AL 36688, USA
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31
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Elsnerova K, Mohelnikova-Duchonova B, Cerovska E, Ehrlichova M, Gut I, Rob L, Skapa P, Hruda M, Bartakova A, Bouda J, Vodicka P, Soucek P, Vaclavikova R. Gene expression of membrane transporters: Importance for prognosis and progression of ovarian carcinoma. Oncol Rep 2016; 35:2159-70. [PMID: 26820484 DOI: 10.3892/or.2016.4599] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 12/29/2015] [Indexed: 11/05/2022] Open
Abstract
Membrane transporters (such as ABCs, SLCs and ATPases) act in carcinogenesis and chemoresistance development, but their relevance for prognosis of epithelial ovarian cancer (EOC) remains poorly understood. We evaluated the gene expression profile of 39 ABC and 12 SLC transporters and three ATPases in EOC tissues and addressed their putative role in prognosis and clinical course of EOC patients. Relative gene expression in a set of primary EOC (n=57) and in control ovarian tissues (n=14) was estimated and compared with clinical data and survival of patients. Obtained data were validated in an independent set of patients (n=60). Six ABCs and SLC22A18 gene were significantly overexpressed in carcinomas when compared with controls, while expression of 12 ABCs, five SLCs, ATP7A and ATP11B was decreased. Expression of ABCA12, ABCC3, ABCC6, ABCD3, ABCG1 and SLC22A5 was higher in high grade serous carcinoma compared with other subtypes. ABCA2 gene expression significantly associated with EOC grade in both sets of patients. Notably, expression level of ABCA9, ABCA10, ABCC9 and SLC16A14 significantly associated with progression-free survival (PFS) of the disease in either pilot or validation sets. ABCG2 level associated with PFS in the pooled set of patients. In conclusion, ABCA2, ABCA9, ABCA10, ABCC9, ABCG2 and SLC16A14 present novel putative markers of EOC progression and together with the revealed relationship between ABCA12, ABCC3, ABCC6, ABCD3, ABCG1 and SLC22A5 expression, and high grade serous type of EOC should be further examined by larger follow-up study.
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Affiliation(s)
- Katerina Elsnerova
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic
| | | | - Ela Cerovska
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic
| | - Marie Ehrlichova
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic
| | - Ivan Gut
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic
| | - Lukas Rob
- Department of Gynecology and Obstetrics, Second Faculty of Medicine and Motol University Hospital, Charles University in Prague, Prague, Czech Republic
| | - Petr Skapa
- Department of Pathology and Molecular Medicine, Second Faculty of Medicine and Motol University Hospital, Charles University in Prague, Prague, Czech Republic
| | - Martin Hruda
- Department of Gynecology and Obstetrics, Second Faculty of Medicine and Motol University Hospital, Charles University in Prague, Prague, Czech Republic
| | - Alena Bartakova
- Department of Gynecology and Obstetrics, Faculty of Medicine and University Hospital in Pilsen, Charles University in Prague, Pilsen, Czech Republic
| | - Jiri Bouda
- Department of Gynecology and Obstetrics, Faculty of Medicine and University Hospital in Pilsen, Charles University in Prague, Pilsen, Czech Republic
| | - Pavel Vodicka
- Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic
| | - Pavel Soucek
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic
| | - Radka Vaclavikova
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic
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32
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Abstract
The phenomenon of multidrug resistance (MDR) in cancer is associated with the overexpression of the ATP-binding cassette (ABC) transporter proteins, including multidrug resistance-associated protein 1 (MRP1) and P-glycoprotein. MRP1 plays an active role in protecting cells by its ability to efflux a vast array of drugs to sub-lethal levels. There has been much effort in elucidating the mechanisms of action, structure and substrates and substrate binding sites of MRP1 in the last decade. In this review, we detail our current understanding of MRP1, its clinical relevance and highlight the current environment in the search for MRP1 inhibitors. We also look at the capacity for the rapid intercellular transfer of MRP1 phenotype from spontaneously shed membrane vesicles known as microparticles and discuss the clinical and therapeutic significance of this in the context of cancer MDR.
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Affiliation(s)
- Jamie F Lu
- a Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney , Broadway , NSW , Australia
| | - Deep Pokharel
- a Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney , Broadway , NSW , Australia
| | - Mary Bebawy
- a Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney , Broadway , NSW , Australia
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33
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Zhang X, Zhao L, Li X, Wang X, Li L, Fu X, Sun Z, Li Z, Nan F, Chang Y, Zhang M. ATP-binding cassette sub-family C member 4 (ABCC4) is overexpressed in human NK/T-cell lymphoma and regulates chemotherapy sensitivity: Potential as a functional therapeutic target. Leuk Res 2015; 39:1448-54. [PMID: 26499190 DOI: 10.1016/j.leukres.2015.10.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Revised: 08/11/2015] [Accepted: 10/04/2015] [Indexed: 02/07/2023]
Abstract
Nasal-type natural killer/T-cell (NK/T-cell) lymphomas are subtypes of non-Hodgkin's lymphoma (NHL), which are typically more clinically aggressive. There is, however relatively little understanding of nasal-type NK/T-cell lymphoma molecular pathogenesis. Thus, in this study we applied RNA sequencing to systematically screen for altered gene expression in human NK/T-cell lymphoma cell lines YTS and SNK-6 versus normal NK cells. We found that ATP-binding cassette sub-family C Member 4 (ABCC4) levels were significantly upregulated both in human NK/T-cell lymphoma YTS and SNK-6 cells, as compared with normal NK cells. These expression levels were further confirmed by real-time PCR. Protein levels of ABCC4 were also significantly higher in YTS and SNK-6 cells as compared with normal NK cells. Clinically relevant, ABCC4 expression levels were significantly higher in human NK/T-cell lymphoma tissues as compared with control nasal mucosa tissues, confirmed by immunohistochemical staining. In addition, we explored the biological function of such ABCC4 upregulation. Overexpression of ABCC4 by lentivirus transfection induced chemotherapy resistance to epirubicin (EPI) and cisplatin (DDP) in YTS cells. In contrast, knockdown of ABCC4 expression by shRNA contributed to chemotherapy sensitivity by both EPI and DDP. Furthermore, overexpression of ABCC4 inhibited, while downregulation of ABCC4 increased, YTS cell apoptosis following treatment by EPI or DDP. Therefore, the present study identified ABCC4 to be overexpressed in human NK/T-cell lymphoma cells, to regulate chemotherapy sensitivity to EPI and DDP, and possibly to be a functional therapeutic target. These findings may provide a basic rationale for new approaches in the effort to develop anti-tumor therapeutics for NK/T-cell lymphoma.
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Affiliation(s)
- Xudong Zhang
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Lu Zhao
- Department of Neurology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Xin Li
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Xinhua Wang
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Ling Li
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Xiaorui Fu
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Zhenchang Sun
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Zhaoming Li
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Feifei Nan
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Yu Chang
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China
| | - Mingzhi Zhang
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, No.1 Jian She Road, Zhengzhou, Henan, China.
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Wen J, Luo J, Huang W, Tang J, Zhou H, Zhang W. The Pharmacological and Physiological Role of Multidrug-Resistant Protein 4. J Pharmacol Exp Ther 2015; 354:358-75. [PMID: 26148856 DOI: 10.1124/jpet.115.225656] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2015] [Accepted: 06/30/2015] [Indexed: 12/11/2022] Open
Abstract
Multidrug-resistant protein 4 (MRP4), a member of the C subfamily of ATP-binding cassette transporters, is distributed in a variety of tissues and a number of cancers. As a drug transporter, MRP4 is responsible for the pharmacokinetics and pharmacodynamics of numerous drugs, especially antiviral drugs, antitumor drugs, and diuretics. In this regard, the functional role of MRP4 is affected by a number of factors, such as genetic mutations; tissue-specific transcriptional regulations; post-transcriptional regulations, including miRNAs and membrane internalization; and substrate competition. Unlike other C family members, MRP4 is in a pivotal position to transport cellular signaling molecules, through which it is tightly connected to the living activity and physiologic processes of cells and bodies. In the context of several cancers in which MRP4 is overexpressed, MRP4 inhibition shows striking effects against cancer progression and drug resistance. In this review, we describe the role of MRP4 more specifically in both healthy conditions and disease states, with an emphasis on its potential as a drug target.
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Affiliation(s)
- Jiagen Wen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Jianquan Luo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Weihua Huang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Jie Tang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Honghao Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
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35
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MRP1 knockdown down-regulates the deposition of collagen and leads to a reduced hypertrophic scar fibrosis. J Mol Histol 2015; 46:357-64. [PMID: 26092470 DOI: 10.1007/s10735-015-9629-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 06/15/2015] [Indexed: 01/06/2023]
Abstract
Multidrug resistance-associated protein 1 (MRP1) belongs to ATP-binding cassette transporters family. The overexpression of MRP1 is predominantly related with the failure of chemo-radiotherapy in various tumors. However, its possible role in hypertrophic scar (HS) is hardly investigated. Here we showed that the mRNA level and protein expression of MRP1 were higher in HS and HS derived fibroblasts (HSFs) than that in normal skin (NS) and NS derived fibroblasts (NSFs). Immunohistochemistry and immunofluorescence showed that the percentage of positive cells was higher in HS and HSFs. Meanwhile, the co-localization of MRP1 and α-SMA was stronger in HS. MRP1 knockdown in HSFs provoked a significant reduction in the protein expressions of collagen 3 and α-SMA in vitro. Moreover, MRP1 siRNA transfection could decrease the deposition of collagen in cultured tissues ex vivo and inhibit the scar formation in rabbit ear scar model in vivo. H&E staining and Masson trichrome staining revealed thinner and more orderly arranged collagen fiber in the MRP1 siRNA transfection group. The appearance of scar was improved as well. All these results indicate that MRP1 plays an important role in the formation of HS, MRP1 knockdown could be a potential method to reduce the accumulation of collagen and to improve the abnormal deposition of extracellular matrix in HS, which indicates that down-regulation of MRP1 has the potential therapeutic effect in the treatment and prophylaxis of HS.
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Ween MP, Armstrong MA, Oehler MK, Ricciardelli C. The role of ABC transporters in ovarian cancer progression and chemoresistance. Crit Rev Oncol Hematol 2015; 96:220-56. [PMID: 26100653 DOI: 10.1016/j.critrevonc.2015.05.012] [Citation(s) in RCA: 120] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 04/08/2015] [Accepted: 05/18/2015] [Indexed: 02/06/2023] Open
Abstract
Over 80% of ovarian cancer patients develop chemoresistance which results in a lethal course of the disease. A well-established cause of chemoresistance involves the family of ATP-binding cassette transporters, or ABC transporters that transport a wide range of substrates including metabolic products, nutrients, lipids, and drugs across extra- and intra-cellular membranes. Expressions of various ABC transporters, shown to reduce the intracellular accumulation of chemotherapy drugs, are increased following chemotherapy and impact on ovarian cancer survival. Although clinical trials to date using ABC transporter inhibitors have been disappointing, ABC transporter inhibition remains an attractive potential adjuvant to chemotherapy. A greater understanding of their physiological functions and role in ovarian cancer chemoresistance will be important for the development of more effective targeted therapies. This article will review the role of the ABC transporter family in ovarian cancer progression and chemoresistance as well as the clinical attempts used to date to reverse chemoresistance.
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Affiliation(s)
- M P Ween
- Lung Research, Hanson Institute and Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide
| | - M A Armstrong
- Data Management and Analysis Centre, University of Adelaide, Australia
| | - M K Oehler
- Gynaecological Oncology Department, Royal Adelaide Hospital, Australia; School of Paediatrics and Reproductive Health, Robinson Research Institute, University of Adelaide, Australia
| | - C Ricciardelli
- School of Paediatrics and Reproductive Health, Robinson Research Institute, University of Adelaide, Australia.
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Dual role of cAMP in the transcriptional regulation of multidrug resistance-associated protein 4 (MRP4) in pancreatic adenocarcinoma cell lines. PLoS One 2015; 10:e0120651. [PMID: 25790437 PMCID: PMC4366062 DOI: 10.1371/journal.pone.0120651] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Accepted: 01/25/2015] [Indexed: 12/17/2022] Open
Abstract
Cyclic AMP represents one of the most studied signaling molecules and its role in proliferation and differentiation processes has been well established. Intracellular cAMP levels are tightly regulated where the MRP4 transporter plays a major role. In the present study, we sought to establish whether cAMP modulated MRP4 expression in pancreatic adenocarcinoma cell lines. Quantitative PCR and western blot studies showed that cAMP-increasing agents enhanced MRP4 transcripts and protein levels in PANC-1 cells. Reporter luciferase experiments carried out in pancreatic AR42J cells showed that intracellular cAMP up-regulates MRP4 through an Epac2- and Rap1- mediated mechanism whereas extracellular cAMP reduced MRP4 promoter activity by a MEK/ERK-mediated pathway. Present results show that cAMP regulates MRP4 promoter activity, and further indicate that the balance between intracellular and extracellular cAMP levels determines MRP4 expression.
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Zhang G, Wang Z, Qian F, Zhao C, Sun C. Silencing of the ABCC4 gene by RNA interference reverses multidrug resistance in human gastric cancer. Oncol Rep 2015; 33:1147-54. [PMID: 25572969 DOI: 10.3892/or.2014.3702] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Accepted: 11/24/2014] [Indexed: 12/25/2022] Open
Abstract
The identification of genes associated with recurrent drug resistance in gastric cancer and the elucidation of the underlying molecular mechanisms associated with recurrent drug resistance in gastric cancer are important for the effective treatment and prognosis of this cancer. Variations in the expression level of the ATP-binding cassette subfamily C member 4 (ABCC4) gene are correlated with the recurrence, development and chemotherapeutic susceptibility of various types of cancers. In the present study, we demonstrated that the ABCC4 gene was highly expressed in multiple types of gastric cancer cells, and ABCC4 expression was even more prominent in the drug-resistant gastric cancer cells. Conversely, in normal gastric mucosal cells, ABCC4 expression was very low or undetectable. We used RNA interference to decrease the expression of ABCC4 in drug-resistant gastric cancer cells, which resulted in an increase in apoptosis and cell cycle arrest in the G1 phase. In addition, we found that ABCC4 knockdown in 5-fluorouracil (5-FU)-resistant cancer cells restored 5-FU sensitivity, resulting in the inhibition of cell proliferation and tumour growth in nude mice. Our results showed that inhibition of ABCC4 gene expression can inhibit the proliferation of multidrug-resistant gastric cancer cells and can enhance gastric cancer cell sensitivity to chemotherapeutic drugs.
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Affiliation(s)
- Guangyu Zhang
- Department of Gastrointestinal Surgery, Affiliated Hospital of Guilin Medical University, Guilin 541001, P.R. China
| | - Zhenran Wang
- Department of Gastrointestinal Surgery, Affiliated Hospital of Guilin Medical University, Guilin 541001, P.R. China
| | - Feng Qian
- Department of General Surgery, The Southwest Hospital of the Third Military Medical University, Shapingba, Chongqing 400038, P.R. China
| | - Chen Zhao
- Department of Gastrointestinal Surgery, Affiliated Hospital of Guilin Medical University, Guilin 541001, P.R. China
| | - Chaowen Sun
- Department of Gastrointestinal Surgery, Affiliated Hospital of Guilin Medical University, Guilin 541001, P.R. China
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Cole SPC. Multidrug resistance protein 1 (MRP1, ABCC1), a "multitasking" ATP-binding cassette (ABC) transporter. J Biol Chem 2014; 289:30880-8. [PMID: 25281745 DOI: 10.1074/jbc.r114.609248] [Citation(s) in RCA: 231] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The multidrug resistance protein 1 (MRP1) encoded by ABCC1 was originally discovered as a cause of multidrug resistance in tumor cells. However, it is now clear that MRP1 serves a broader role than simply mediating the ATP-dependent efflux of drugs from cells. The antioxidant GSH and the pro-inflammatory cysteinyl leukotriene C4 have been identified as key physiological organic anions effluxed by MRP1, and an ever growing body of evidence indicates that additional lipid-derived mediators are also substrates of this transporter. As such, MRP1 is a multitasking transporter that likely influences the etiology and progression of a host of human diseases.
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Affiliation(s)
- Susan P C Cole
- From the Department of Pathology and Molecular Medicine and Division of Cancer Biology and Genetics, Queen's University, Kingston, Ontario K7L 3N6, Canada
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Clinical Relevance of Multidrug-Resistance-Proteins (MRPs) for Anticancer Drug Resistance and Prognosis. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/978-3-319-09801-2_2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Sun Y, Shi N, Lu H, Zhang J, Ma Y, Qiao Y, Mao Y, Jia K, Han L, Liu F, Li H, Lin Z, Li X, Zhao X. ABCC4copy number variation is associated with susceptibility to esophageal squamous cell carcinoma. Carcinogenesis 2014; 35:1941-50. [DOI: 10.1093/carcin/bgu043] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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