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Hu R, Lan J, Zhang D, Shen W. Nanotherapeutics for prostate cancer treatment: A comprehensive review. Biomaterials 2024; 305:122469. [PMID: 38244344 DOI: 10.1016/j.biomaterials.2024.122469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/07/2024] [Accepted: 01/09/2024] [Indexed: 01/22/2024]
Abstract
Prostate cancer (PCa) is the most prevalent solid organ malignancy and seriously affects male health. The adverse effects of prostate cancer therapeutics can cause secondary damage to patients. Nanotherapeutics, which have special targeting abilities and controlled therapeutic release profiles, may serve as alternative agents for PCa treatment. At present, many nanotherapeutics have been developed to treat PCa and have shown better treatment effects in animals than traditional therapeutics. Although PCa nanotherapeutics are highly attractive, few successful cases have been reported in clinical practice. To help researchers design valuable nanotherapeutics for PCa treatment and avoid useless efforts, herein, we first reviewed the strategies and challenges involved in prostate cancer treatment. Subsequently, we presented a comprehensive review of nanotherapeutics for PCa treatment, including their targeting methods, controlled release strategies, therapeutic approaches and mechanisms. Finally, we proposed the future prospects of nanotherapeutics for PCa treatment.
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Affiliation(s)
- Ruimin Hu
- Department of Urology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China; Department of Chemistry, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China; Department of Pharmaceutics, College of Pharmacy, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jin Lan
- Department of Ultrasound, Second Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, 400037, China
| | - Dinglin Zhang
- Department of Urology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China; Department of Chemistry, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
| | - Wenhao Shen
- Department of Urology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
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Kamdem MHK, Zingue S, Grein T, Maxeiner S, Rutz J, Mmutlane EM, Njamen D, Blaheta RA, Ndinteh DT. Aridanin and oleanane-3- O-β-D-glucoside-2'-acetamide obtained from Tetrapleura tetraptera (Schumach. & Thonn) Taub. (Fabaceae) induces potent apoptotic activity in human prostate cancer cells. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117298. [PMID: 37866463 DOI: 10.1016/j.jep.2023.117298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/04/2023] [Accepted: 10/07/2023] [Indexed: 10/24/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tetrapleura tetraptera (Schumach. and Thonn.) Taub. (Fabaceae) is a tropical plant that is used in Cameroon pharmacopeia for the treatment of many cancers including prostate cancer (PCa), which is a major cause of men's death worldwide. The objective of this study was to evaluate the anticancer properties as well as underlying mechanisms of isolates from T. tetraptera on DU145, PC3 and LNCaP cancer cell lines. MATERIALS AND METHODS Eight (8) compounds were purified from T. tetraptera stem bark extract through silica gel column chromatography (CC) and characterized using spectroscopic techniques (1D and 2D NMR), HRESIMS. Cell growth was assessed by a well-characterized MTT assay, while BrdU and clonogenicity assays provided information on the cell proliferation index. Further, the impact of the compounds on cell cycle progression and cell death were performed through Flow cytometry. Cell adhesion, cell migration and chemotaxis along with some proteins of epithelial-mesenchymal transition (EMT) were assayed. RESULTS Out of the eight (1-8) isolates from T. tetraptera only oleanane-3-O-β-D-glucoside-2'-acetamide and aridanin showed potent cell growth arrest with an estimated CC50 of 15, 23, 16 and 17, 26, 16 μg/mL on DU145, PC3 and LNCaP cells, respectively. A 15% (DU145) and 25% (LNCaP) increase in apoptotic cells induced by oleanane-3-O-β-D-glucoside-2'-acetamide and aridanin at 10 μg/mL were noticed. Oleanane-3-O-β-D-glucoside-2'-acetamide and aridanin at 2.5 and 10 μg/mL reduced the number of cells in S-phase and raised cells in G2/M phase. At the same concentrations, they decreased the number of invading DU145 cells and increased the adherence of DU145 cells to fibronectin and collagen matrix at tested concentrations, accompanied by an increase in integrin β-1 (10 μg/mL) and integrin β-4 (2.5 μg/mL) expression. Furthermore, a down-regulation of pcdk1, cdk2, Bcl-2, N-Cad, vimentin and cytokeratine 8-18 was noticed while, p19, p27, p53 pAKT, Bax, caspase-3 and E-Cad were up-regulated. CONCLUSIONS This study outlines for the first time, the anticancer ability of compounds oleanane-3-O-β-D-glucoside-2'-acetamide (4) and aridanin (6) from Tetrapleura tetraptera and proposes their putative mechanisms of action.
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Affiliation(s)
- Michael Hermann Kengne Kamdem
- Centre for Natural Product Research, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa; Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg-Kingsway Campus, Auckland Park, 2008, South Africa.
| | - Stéphane Zingue
- Centre for Natural Product Research, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa; Department of Urology, University Hospital Frankfurt, Johann Wolfgang Goethe-University, D-60596, Frankfurt am Main, Germany; Department of Pharmacotoxicology and Pharmacokinetics, University of Yaounde 1, P.O. Box 1364, Yaounde, Cameroon.
| | - Timothy Grein
- Department of Urology and Pediatric Urology, University Medical Center Mainz, Johannes Gutenberg-Universität Mainz, D-55131, Mainz, Germany.
| | - Sebastian Maxeiner
- Department of Urology and Pediatric Urology, University Medical Center Mainz, Johannes Gutenberg-Universität Mainz, D-55131, Mainz, Germany.
| | - Jochen Rutz
- Department of Urology and Pediatric Urology, University Medical Center Mainz, Johannes Gutenberg-Universität Mainz, D-55131, Mainz, Germany.
| | - Edwin Mpho Mmutlane
- Centre for Natural Product Research, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa; Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg-Kingsway Campus, Auckland Park, 2008, South Africa.
| | - Dieudonné Njamen
- Department of Animal Biology and Physiology, University of Yaoundé 1, P.O. Box 812, Yaounde, Cameroon.
| | - Roman A Blaheta
- Department of Urology and Pediatric Urology, University Medical Center Mainz, Johannes Gutenberg-Universität Mainz, D-55131, Mainz, Germany.
| | - Derek Tantoh Ndinteh
- Centre for Natural Product Research, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg, 2028, South Africa; Research Center for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg-Kingsway Campus, Auckland Park, 2008, South Africa.
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Jiang L, Khawaja H, Tahsin S, Clarkson TA, Miranti CK, Zohar Y. Microfluidic-based human prostate-cancer-on-chip. Front Bioeng Biotechnol 2024; 12:1302223. [PMID: 38322789 PMCID: PMC10844564 DOI: 10.3389/fbioe.2024.1302223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/09/2024] [Indexed: 02/08/2024] Open
Abstract
Lack of adequate models significantly hinders advances in prostate cancer treatment, where resistance to androgen-deprivation therapies and bone metastasis remain as major challenges. Current in vitro models fail to faithfully mimic the complex prostate physiology. In vivo animal models can shed light on the oncogenes involved in prostate cancer development and progression; however, the animal prostate gland is fundamentally different from that of human, and the underlying genetic mechanisms are different. To address this problem, we developed the first in vitro microfluidic human Prostate-Cancer-on-Chip (PCoC) model, where human prostate cancer and stromal fibroblast cells were co-cultivated in two channels separated by a porous membrane under culture medium flow. The established microenvironment enables soluble signaling factors secreted by each culture to locally diffuse through the membrane pores affecting the neighboring culture. We particularly explored the conversion of the stromal fibroblasts into cancer-associated fibroblasts (CAFs) due to the interaction between the 2 cell types. Immunofluorescence microscopy revealed that tumor cells induced CAF biomarkers, αSMA and COL1A1, in stromal fibroblasts. The stromal CAF conversion level was observed to increase along the flow direction in response to diffusion agents, consistent with simulations of solute concentration gradients. The tumor cells also downregulated androgen receptor (AR) expression in stromal fibroblasts, while an adequate level of stromal AR expression is maintained in normal prostate homeostasis. We further investigated tumor invasion into the stroma, an early step in the metastatic cascade, in devices featuring a serpentine channel with orthogonal channel segments overlaying a straight channel and separated by an 8 µm-pore membrane. Both tumor cells and stromal CAFs were observed to cross over into their neighboring channel, and the stroma's role seemed to be proactive in promoting cell invasion. As control, normal epithelial cells neither induced CAF conversion nor promoted cell invasion. In summary, the developed PCoC model allows spatiotemporal analysis of the tumor-stroma dynamic interactions, due to bi-directional signaling and physical contact, recapitulating tissue-level multicellular responses associated with prostate cancer in vivo. Hence, it can serve as an in vitro model to dissect mechanisms in human prostate cancer development and seek advanced therapeutic strategies.
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Affiliation(s)
- Linan Jiang
- Department of Aerospace and Mechanical Engineering, Tucson, AZ, United States
| | - Hunain Khawaja
- Cancer Biology Graduate Interdisciplinary Program, Tucson, AZ, United States
| | - Shekha Tahsin
- Cancer Biology Graduate Interdisciplinary Program, Tucson, AZ, United States
| | | | - Cindy K Miranti
- Department of Molecular and Cellular Biology, Tucson, AZ, United States
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ, United States
| | - Yitshak Zohar
- Department of Aerospace and Mechanical Engineering, Tucson, AZ, United States
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ, United States
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4
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Adekiya TA, Owoseni O. Emerging frontiers in nanomedicine targeted therapy for prostate cancer. Cancer Treat Res Commun 2023; 37:100778. [PMID: 37992539 DOI: 10.1016/j.ctarc.2023.100778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/23/2023] [Accepted: 11/13/2023] [Indexed: 11/24/2023]
Abstract
Prostate cancer is a prevalent cancer in men, often treated with chemotherapy. However, it tumor cells are clinically grows slowly and is heterogeneous, leading to treatment resistance and recurrence. Nanomedicines, through targeted delivery using nanocarriers, can enhance drug accumulation at the tumor site, sustain drug release, and counteract drug resistance. In addition, combination therapy using nanomedicines can target multiple cancer pathways, improving effectiveness and addressing tumor heterogeneity. The application of nanomedicine in prostate cancer treatment would be an important strategy in controlling tumor dynamic process as well as improve survival. Thus, this review highlights therapeutic nanoparticles as a solution for prostate cancer chemotherapy, exploring targeting strategies and approaches to combat drug resistance.
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Affiliation(s)
- Tayo Alex Adekiya
- Department of Pharmaceutical Sciences, Howard University, Washington, DC 20059, United States.
| | - Oluwanifemi Owoseni
- Department of Pharmaceutical Sciences, Howard University, Washington, DC 20059, United States
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Liu Y, He JX, Ji B, Wang JF, Zhang L, Pang ZQ, Wang JS, Ding BC, Ren MH. Comprehensive analysis of integrin αvβ3/α6β1 in prognosis and immune escape of prostate cancer. Aging (Albany NY) 2023; 15:11369-11388. [PMID: 37862114 PMCID: PMC10637796 DOI: 10.18632/aging.205131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 10/02/2023] [Indexed: 10/22/2023]
Abstract
Integrin αvβ3/α6β1 are crucial in the transduction of intercellular cancer information, while their roles in prostate cancer (PCa) remain poorly understood. Here, we systematically analyzed the transcriptome, single nucleotide polymorphisms (SNPs) and clinical data of 495 PCa patients from the TCGA database and verified them in 220 GEO patients, and qPCR was used to validate the expression of the model genes in our patients. First, we found that integrin αvβ3/α6β1 was negatively correlated with most immune cell infiltration and immune functions and closely associated with poor survival in TCGA patients. Then, we divided these patients into two groups according to the expression level of αvβ3/α6β1, intersected differentially expressed genes of the two groups with the GEO dataset and identified eight biochemical recurrence-related genes (BRGs), and these genes were verified by qPCR in our patients. Next, these BRGs were used to construct a prognostic risk model by applying LASSO Cox regression. We found that the high-risk (HR) group showed poorer OS, PFS, biochemical recurrence and clinical characteristics than the low-risk (LR) group. In addition, the HR group was mainly enriched in the cell cycle pathway and had a higher TP53 mutation rate than the LR group. More importantly, lower immune cell infiltration and immune function, higher expression of PD-L1, PD-1, and CTLA4, and higher immune exclusion scores were identified in the HR group, suggesting a higher possibility of immune escape. These findings suggested the key role of integrin αvβ3/α6β1 in predicting prognosis, TP53 mutation and immune escape in PCa.
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Affiliation(s)
- Yang Liu
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Jia-Xin He
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Bo Ji
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Jin-Feng Wang
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Lu Zhang
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Zhong-Qi Pang
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Jian-She Wang
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Bei-Chen Ding
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Ming-Hua Ren
- Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
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Macke AJ, Pachikov AN, Divita TE, Morris ME, LaGrange CA, Holzapfel MS, Kubyshkin AV, Zyablitskaya EY, Makalish TP, Eremenko SN, Qiu H, Riethoven JJM, Hemstreet GP, Petrosyan AA. Targeting the ATF6-Mediated ER Stress Response and Autophagy Blocks Integrin-Driven Prostate Cancer Progression. Mol Cancer Res 2023; 21:958-974. [PMID: 37314749 PMCID: PMC10527559 DOI: 10.1158/1541-7786.mcr-23-0108] [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: 02/17/2023] [Revised: 04/27/2023] [Accepted: 06/09/2023] [Indexed: 06/15/2023]
Abstract
Prostate cancer progression to the lethal metastatic castration-resistant phenotype (mCRPC) is driven by αv integrins and is associated with Golgi disorganization and activation of the ATF6 branch of unfolded protein response (UPR). Overexpression of integrins requires N-acetylglucosaminyltransferase-V (MGAT5)-mediated glycosylation and subsequent cluster formation with Galectin-3 (Gal-3). However, the mechanism underlying this altered glycosylation is missing. For the first time, using HALO analysis of IHC, we found a strong association of integrin αv and Gal-3 at the plasma membrane (PM) in primary prostate cancer and mCRPC samples. We discovered that MGAT5 activation is caused by Golgi fragmentation and mislocalization of its competitor, N-acetylglucosaminyltransferase-III, MGAT3, from Golgi to the endoplasmic reticulum (ER). This was validated in an ethanol-induced model of ER stress, where alcohol treatment in androgen-refractory PC-3 and DU145 cells or alcohol consumption in patient with prostate cancer samples aggravates Golgi scattering, activates MGAT5, and enhances integrin expression at PM. This explains known link between alcohol consumption and prostate cancer mortality. ATF6 depletion significantly blocks UPR and reduces the number of Golgi fragments in both PC-3 and DU145 cells. Inhibition of autophagy by hydroxychloroquine (HCQ) restores compact Golgi, rescues MGAT3 intra-Golgi localization, blocks glycan modification via MGAT5, and abrogates delivery of Gal-3 to the cell surface. Importantly, the loss of Gal-3 leads to reduced integrins at PM and their accelerated internalization. ATF6 depletion and HCQ treatment synergistically decrease integrin αv and Gal-3 expression and temper orthotopic tumor growth and metastasis. IMPLICATIONS Combined ablation of ATF6 and autophagy can serve as new mCRPC therapeutic.
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Affiliation(s)
- Amanda J. Macke
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA, 68198
- The Fred and Pamela Buffett Cancer Center, Omaha, NE, USA, 68198
| | - Artem N. Pachikov
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA, 68198
- The Fred and Pamela Buffett Cancer Center, Omaha, NE, USA, 68198
| | - Taylor E. Divita
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA, 68198
- The Fred and Pamela Buffett Cancer Center, Omaha, NE, USA, 68198
| | - Mary E. Morris
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA, 68198
| | - Chad A. LaGrange
- Division of Urologic Surgery, Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA, 68198
| | - Melissa S. Holzapfel
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, USA, 68198
| | - Anatoly V. Kubyshkin
- Department of Pathological Physiology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Evgeniya Y. Zyablitskaya
- Laboratory of Molecular Biology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Tatiana P. Makalish
- Laboratory of Molecular Biology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Sergey N. Eremenko
- Saint Luc’s Clinique, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Haowen Qiu
- Center for Biotechnology, University of Nebraska-Lincoln, Lincoln, NE, USA, 68588
| | - Jean-Jack M. Riethoven
- Center for Biotechnology, University of Nebraska-Lincoln, Lincoln, NE, USA, 68588
- Department of Statistics, University of Nebraska-Lincoln, Lincoln, NE, USA, 68588
| | - George P. Hemstreet
- Division of Urologic Surgery, Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA, 68198
- Omaha Western Iowa Health Care System Urology, VA Service, Department of Research Service, Omaha, NE, USA, 68105
| | - and Armen Petrosyan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA, 68198
- The Fred and Pamela Buffett Cancer Center, Omaha, NE, USA, 68198
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Alshanqiti KH, Alomar SF, Alzoman N, Almomen A. Irisin Induces Apoptosis in Metastatic Prostate Cancer Cells and Inhibits Tumor Growth In Vivo. Cancers (Basel) 2023; 15:4000. [PMID: 37568817 PMCID: PMC10416853 DOI: 10.3390/cancers15154000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/24/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND Prostate cancer is the second most common cancer in males worldwide, with αVβ5 in-tegrin, a coactivator receptor, being highly expressed in advanced prostate cancer. Irisin, a hormone secreted from skeletal muscles, can reduce cell viability and migration and potentially inhibit αVβ5. OBJECTIVE This study investigates the potential impact of irisin on prostate cancer cells and its underlying mechanism. METHODS In vitro evaluation of the antiproliferative action of irisin on metastatic prostate cancer (PC-3) cells was tested through MTT assay, flow cytometry, and Western blot. An in vivo evaluation of the antiproliferative effect on prostate cancer xenograft was evaluated in nude mice. RESULTS In vitro evaluations showed that irisin reduced PC-3 cell viability to 70% and increased the Annexin-V/7AAD positive cell population. Irisin altered the expression of apoptotic proteins, αVβ5, and proteins involved in the P13k-Akt pathway. In vivo, irisin inhibited tumor growth and progression, positively affecting animal well-being. In conclusion, irisin has an apoptotic effect on PC-3, possibly through altering αVβ5 and the Bcl2/BAX and P13k-Akt signaling pathway, inhibiting tumor growth in vivo. CONCLUSION Our findings can serve as a foundation for further evaluation of irisin's role in prostate cancer.
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Zhou X, Zhu H, Luo C, Xiao H, Zou X, Zou J, Zhang G. Targeting integrin α5β1 in urological tumors: opportunities and challenges. Front Oncol 2023; 13:1165073. [PMID: 37483505 PMCID: PMC10358839 DOI: 10.3389/fonc.2023.1165073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/16/2023] [Indexed: 07/25/2023] Open
Abstract
Urological tumors, such as prostate cancer, renal cell carcinoma, and bladder cancer, have shown a significant rise in prevalence in recent years and account for a significant proportion of malignant tumors. It has been established that metastasis to distant organs caused by urological tumors is the main cause of death, although the mechanisms underlying metastasis have not been fully elucidated. The fibronectin receptor integrin α5β1 reportedly plays an important role in distant metastasis and is closely related to tumor development. It is widely thought to be an important cancer mediator by interacting with different ligands, mediating tumor adhesion, invasion, and migration, and leading to immune escape. In this paper, we expound on the relationship and regulatory mechanisms of integrin α5β1 in these three cancers. In addition, the clinical applications of integrin α5β1 in these cancers, especially against treatment resistance, are discussed. Last but not least, the possibility of integrin α5β1 as a potential target for treatment is examined, with new ideas for future research being proposed.
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Affiliation(s)
- Xuming Zhou
- The First Clinical College, Gannan Medical University, Ganzhou, China
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Hezhen Zhu
- The First Clinical College, Gannan Medical University, Ganzhou, China
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Cong Luo
- The First Clinical College, Gannan Medical University, Ganzhou, China
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Huan Xiao
- The First Clinical College, Gannan Medical University, Ganzhou, China
| | - Xiaofeng Zou
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, China
| | - Junrong Zou
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, China
| | - Guoxi Zhang
- Department of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Institute of Urology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, China
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Liu J, Zhang J, Fu X, Yang S, Li Y, Liu J, DiSanto ME, Chen P, Zhang X. The Emerging Role of Cell Adhesion Molecules on Benign Prostatic Hyperplasia. Int J Mol Sci 2023; 24:2870. [PMID: 36769190 PMCID: PMC9917596 DOI: 10.3390/ijms24032870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/01/2023] [Accepted: 01/18/2023] [Indexed: 02/05/2023] Open
Abstract
Benign prostatic hyperplasia (BPH) is a common disease in elderly men. It is characterized by prostatic enlargement and urethral compression and often causes lower urinary tract symptoms (LUTs) such as urinary frequency, urgency, and nocturia. Existing studies have shown that the pathological process of prostate hyperplasia is mainly related to the imbalance of cell proliferation and apoptosis, inflammation, epithelial-mesenchymal transition (EMT), and growth factors. However, the exact molecular mechanisms remain incompletely elucidated. Cell adhesion molecules (CAMs) are a group of cell surface proteins that mediate cell-cell adhesion and cell migration. Modulating adhesion molecule expression can regulate cell proliferation, apoptosis, EMT, and fibrotic processes, engaged in the development of prostatic hyperplasia. In this review, we went over the important roles and molecular mechanisms of cell adhesion molecules (mainly integrins and cadherins) in both physiological and pathological processes. We also analyzed the mechanisms of CAMs in prostate hyperplasia and explored the potential value of targeting CAMs as a therapeutic strategy for BPH.
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Affiliation(s)
- Jiang Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Junchao Zhang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Xun Fu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Shu Yang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Yan Li
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Jianmin Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Michael E. DiSanto
- Department of Surgery and Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ 08103, USA
| | - Ping Chen
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Xinhua Zhang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
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Nepali PR, Kyprianou N. Anoikis in phenotypic reprogramming of the prostate tumor microenvironment. Front Endocrinol (Lausanne) 2023; 14:1160267. [PMID: 37091854 PMCID: PMC10113530 DOI: 10.3389/fendo.2023.1160267] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 03/09/2023] [Indexed: 04/25/2023] Open
Abstract
Prostate cancer is one of the most common malignancies in males wherein 1 in 8 men are diagnosed with this disease in their lifetime. The urgency to find novel therapeutic interventions is associated with high treatment resistance and mortality rates associated with castration-resistant prostate cancer. Anoikis is an apoptotic phenomenon for normal epithelial or endothelial cells that have lost their attachment to the extracellular matrix (ECM). Tumor cells that lose their connection to the ECM can die via apoptosis or survive via anoikis resistance and thus escaping to distant organs for metastatic progression. This review discusses the recent advances made in our understanding of the signaling effectors of anoikis in prostate cancer and the approaches to translate these mechanistic insights into therapeutic benefits for reducing lethal disease outcomes (by overcoming anoikis resistance). The prostate tumor microenvironment is a highly dynamic landscape wherein the balance between androgen signaling, cell lineage changes, epithelial-mesenchymal transition (EMT), extracellular matrix interactions, actin cytoskeleton remodeling as well as metabolic changes, confer anoikis resistance and metastatic spread. Thus, these mechanisms also offer unique molecular treatment signatures, exploitation of which can prime prostate tumors to anoikis induction with a high translational significance.
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Affiliation(s)
- Prerna R. Nepali
- Department of Urology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Natasha Kyprianou
- Department of Urology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Department of Pathology and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- *Correspondence: Natasha Kyprianou,
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11
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Molter CW, Muszynski EF, Tao Y, Trivedi T, Clouvel A, Ehrlicher AJ. Prostate cancer cells of increasing metastatic potential exhibit diverse contractile forces, cell stiffness, and motility in a microenvironment stiffness-dependent manner. Front Cell Dev Biol 2022; 10:932510. [PMID: 36200037 PMCID: PMC9527313 DOI: 10.3389/fcell.2022.932510] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
During metastasis, all cancer types must migrate through crowded multicellular environments. Simultaneously, cancers appear to change their biophysical properties. Indeed, cell softening and increased contractility are emerging as seemingly ubiquitous biomarkers of metastatic progression which may facilitate metastasis. Cell stiffness and contractility are also influenced by the microenvironment. Stiffer matrices resembling the tumor microenvironment cause metastatic cells to contract more strongly, further promoting contractile tumorigenic phenotypes. Prostate cancer (PCa), however, appears to deviate from these common cancer biophysics trends; aggressive metastatic PCa cells appear stiffer, rather than softer, to their lowly metastatic PCa counterparts. Although metastatic PCa cells have been reported to be more contractile than healthy cells, how cell contractility changes with increasing PCa metastatic potential has remained unknown. Here, we characterize the biophysical changes of PCa cells of various metastatic potential as a function of microenvironment stiffness. Using a panel of progressively increasing metastatic potential cell lines (22RV1, LNCaP, DU145, and PC3), we quantified their contractility using traction force microscopy (TFM), and measured their cortical stiffness using optical magnetic twisting cytometry (OMTC) and their motility using time-lapse microscopy. We found that PCa contractility, cell stiffness, and motility do not universally scale with metastatic potential. Rather, PCa cells of various metastatic efficiencies exhibit unique biophysical responses that are differentially influenced by substrate stiffness. Despite this biophysical diversity, this work concludes that mechanical microenvironment is a key determinant in the biophysical response of PCa with variable metastatic potentials. The mechanics-oriented focus and methodology of the study is unique and complementary to conventional biochemical and genetic strategies typically used to understand this disease, and thus may usher in new perspectives and approaches.
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Affiliation(s)
- Clayton W. Molter
- Department of Bioengineering, McGill University, Montreal, QC, Canada
| | - Eliana F. Muszynski
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Neuroscience, McGill University, Montreal, QC, Canada
| | - Yuanyuan Tao
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada
| | - Tanisha Trivedi
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Anatomy and Cell Biology, McGill University, Montreal, QC, Canada
| | - Anna Clouvel
- Department of Bioengineering, McGill University, Montreal, QC, Canada
| | - Allen J. Ehrlicher
- Department of Bioengineering, McGill University, Montreal, QC, Canada
- Department of Anatomy and Cell Biology, McGill University, Montreal, QC, Canada
- Rosalind and Morris Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada
- Department of Biomedical Engineering, McGill University, Montreal, QC, Canada
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
- *Correspondence: Allen J. Ehrlicher,
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12
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Chen J, Wang W, Wang Y, Yuan X, He C, Pei P, Su S, Zhao W, Luo SZ, Chen L. Self-assembling Branched Amphiphilic Peptides for Targeted Delivery of Small Molecule Anticancer Drugs. Eur J Pharm Biopharm 2022; 179:137-146. [PMID: 36096399 DOI: 10.1016/j.ejpb.2022.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 08/23/2022] [Accepted: 09/05/2022] [Indexed: 11/04/2022]
Abstract
Water insolubility poses a significant challenge in the clinical applications of many small molecule drugs. To improve the drug delivery efficiency, two branched amphiphilic peptides (BAPs) were designed in a computer-aided manner, for drug-loading through peptide self-assembling. The structures of the two BAPs, bis(LVFFA)-K-RGD (PepV-1) and bis(FHF)-K-RGD (PepV-2), were inspired by phospholipids, containing the RGD sequence as the hydrophilic head and two hydrophobic sequences as the hydrophobic tails. PepV-1 could self-assemble into nano-fibrils with a hydrophobic core and the RGD moiety on the surface. Its drug-loading efficiency (DE%) of three small molecule anticancer drugs (doxorubicin, camptothecin and curcumin) ranged from 9.90% to 11.74%, and entrapment efficiency (EE%) ranged from 37.30% to 43.00%. Pep-V2 could self-assemble into bilayer delimited nano-vesicles. The DE% of PepV-2 for these drugs ranged from 15.87% to 18.55%, and the EE% ranged from 60.45% to 73.23%. Both BAP carriers could prolong the release of the small molecule drugs, and the PepV-2 vesicles also showed pH-triggered increase of drug release due to the histidine residues. Bothe BAP carriers could increase the cytotoxicity against cancer cells, which might be due to the targeting on the cancer overexpressed integrins. The designed BAP carriers represent promising functional drug carriers for targeted drug delivery, and will be useful for improving the clinical use of small molecule drugs, especially for those with poor water solubility.
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Affiliation(s)
- Jialin Chen
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China; State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Wujun Wang
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yue Wang
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Xiushuang Yuan
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Chengzhi He
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Pengfei Pei
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Shengdi Su
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Weihong Zhao
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Shi-Zhong Luo
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China.
| | - Long Chen
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China.
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13
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Krause W. Resistance to prostate cancer treatments. IUBMB Life 2022; 75:390-410. [PMID: 35978491 DOI: 10.1002/iub.2665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 07/09/2022] [Indexed: 12/14/2022]
Abstract
A review of the current treatment options for prostate cancer and the formation of resistance to these regimens has been compiled including primary, acquired, and cross-resistance. The diversification of the pathways involved and the escape routes the tumor is utilizing have been addressed. Whereas early stages of tumor can be cured, there is no treatment available after a point of no return has been reached, leaving palliative treatment as the only option. The major reasons for this outcome are the heterogeneity of tumors, both inter- and intra-individually and the nearly endless number of escape routes, which the tumor can select to overcome the effects of treatment. This means that more focus should be applied to the individualization of both diagnosis and therapy of prostate cancer. In addition to current treatment options, novel drugs and ongoing clinical trials have been addressed in this review.
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14
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Characterization of the Tumor Microenvironment and the Biological Processes with a Role in Prostatic Tumorigenesis. Biomedicines 2022; 10:biomedicines10071672. [PMID: 35884977 PMCID: PMC9313300 DOI: 10.3390/biomedicines10071672] [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: 06/02/2022] [Revised: 06/25/2022] [Accepted: 07/06/2022] [Indexed: 12/25/2022] Open
Abstract
Prostate intratumoral heterogeneity, driven by epithelial−mesenchymal plasticity, contributes to the limited treatment response, and it is therefore necessary to use the biomarkers to improve patient prognostic survival. We aimed to characterize the tumor microenvironment (T lymphocyte infiltration, intratumoral CD34, and KI-67 expressions) by immunohistochemistry methods and to study the biological mechanisms (cell cycle, cell proliferation by adhesion glycoproteins, cell apoptosis) involved in the evolution of the prostate tumor process by flow-cytometry techniques. Our results showed that proliferative activity (S-phase) revealed statistically significant lower values of prostate adenocarcinoma (PCa) and benign prostatic hyperplasia (BPH) reported at non-malignant adjacent cell samples (PCa 4.32 ± 4.91; BPH 2.35 ± 1.37 vs. C 10.23 ± 0.43, p < 0.01). Furthermore, 68% of BPH cases and 88% of patients with PCa had aneuploidy. Statistically increased values of cell proliferation (CD34+ CD61+) were observed in prostate adenocarcinoma and hyperplasia cases reported to non-malignant adjacent cell samples (PCa 28.79 ± 10.14; BPH 40.65 ± 11.88 vs. C 16.15 ± 2.58, p < 0.05). The CD42b+ cell population with a role in cell adhesion, and metastasis had a significantly increased value in PCa cases (38.39 ± 11.23) reported to controls (C 26.24 ± 0.62, p < 0.01). The intratumoral expression of CD34 showed a significantly increased pattern of PCa tissue samples reported to controls (PCa 26.12 ± 6.84 vs. C 1.50 ± 0.70, p < 0.01). Flow cytometric analysis of the cell cycle, apoptosis, and adhesion glycoproteins with a critical role in tumoral cell proliferation, T cell infiltrations, Ki-67, and CD 34 expressions by IHC methods are recommended as techniques for the efficient means of measurement for adenocarcinoma and hyperplasia prostate tissue samples and should be explored in the future.
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15
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Destouni M, Lazaris AC, Tzelepi V. Cribriform Patterned Lesions in the Prostate Gland with Emphasis on Differential Diagnosis and Clinical Significance. Cancers (Basel) 2022; 14:cancers14133041. [PMID: 35804812 PMCID: PMC9264941 DOI: 10.3390/cancers14133041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/14/2022] [Accepted: 06/20/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary A cribriform structure is defined as a continuous proliferation of cells with intermingled lumina. Various entities may have a cribriform morphology within the prostate gland, ranging from normal, to benign, to borderline and even to malignant lesions. This review summarizes the morphologic features of entities that have a cribriform morphology within the prostate gland, with an emphasis on their differential diagnosis, molecular profile and clinical significance. The basic aim is to assist the pathologist with challenging and controversial cases and inform the clinician on the clinical implications of cribriform morphology. Abstract Cribriform glandular formations are characterized by a continuous proliferation of cells with intermingled lumina and can constitute a major or minor part of physiologic (normal central zone glands), benign (clear cell cribriform hyperplasia and basal cell hyperplasia), premalignant (high-grade prostatic intraepithelial neoplasia), borderline (atypical intraductal cribriform proliferation) or clearly malignant (intraductal, acinar, ductal and basal cell carcinoma) lesions. Each displays a different clinical course and variability in clinical management and prognosis. The aim of this review is to summarize the current knowledge regarding the morphological features, differential diagnosis, molecular profile and clinical significance of the cribriform-patterned entities of the prostate gland. Areas of controversy regarding their management, i.e., the grading of Intaductal Carcinoma, will also be discussed. Understanding the distinct nature of each cribriform lesion leads to the correct diagnosis and ensures accuracy in clinical decision-making, prognosis prediction and personalized risk stratification of patients.
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Affiliation(s)
- Maria Destouni
- Department of Cytopathology, Hippokrateion General Hospital of Athens, 11527 Athens, Greece;
| | - Andreas C. Lazaris
- First Department of Pathology, School of Medicine, The National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Vasiliki Tzelepi
- Department of Pathology, School of Medicine, University of Patras, 26504 Patras, Greece
- Correspondence:
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16
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Triazole Modified Tetraiodothyroacetic Acid Conjugated to Polyethylene Glycol, a Thyrointegrin αvβ3 Antagonist as a Radio- and Chemo-Sensitizer in Pancreatic Cancer. Biomedicines 2022; 10:biomedicines10040795. [PMID: 35453545 PMCID: PMC9032383 DOI: 10.3390/biomedicines10040795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 02/01/2023] Open
Abstract
Thyroid hormone L thyroxine stimulates pancreatic carcinoma cell proliferation via thyrointegrin αvβ3 receptors, and antagonist tetraiodothyroacetic acid (tetrac) inhibits cancer cell growth. Chemically modified bis-triazole-tetrac conjugated with polyethylene glycol (P-bi-TAT) has higher binding affinity to αvβ3 receptors compared to tetrac. We investigated the antiproliferation effect of P-bi-TAT in pancreatic cancer cells (SUIT2) and its radio- and chemo-sensitizing roles in a mouse model of pancreatic cancer. P-bi-TAT treatment increased tumor-targeted radiation-induced cell death and decreased tumor size. P-bi-TAT acted as a chemo-sensitizer and enhanced the 5-fluorouracil (5FU) effect in decreasing pancreatic tumor weight compared to 5FU monotherapy. Withdrawal of treatment continued the tumor regression; however, the 5FU group showed tumor regrowth. The mechanisms of the anti-cancer activity of P-bi-TAT on SUIT2 cells were assessed by microarray experiments, and genome-wide profiling identified significant alterations of 1348 genes’ expression. Both down-regulated and up-regulated transcripts suggest that a molecular interference at the signaling pathway-associated gene expression is the prevalent mode of P-bi-TAT anti-cancer activity. Our data indicate that non-cytotoxic P-bi-TAT is not only an anti-cancer agent but also a radio-sensitizer and chemo-sensitizer that acts on the extracellular domain of the cell surface αvβ3 receptor.
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17
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Mosquera MJ, Kim S, Bareja R, Fang Z, Cai S, Pan H, Asad M, Martin ML, Sigouros M, Rowdo FM, Ackermann S, Capuano J, Bernheim J, Cheung C, Doane A, Brady N, Singh R, Rickman DS, Prabhu V, Allen JE, Puca L, Coskun AF, Rubin MA, Beltran H, Mosquera JM, Elemento O, Singh A. Extracellular Matrix in Synthetic Hydrogel-Based Prostate Cancer Organoids Regulate Therapeutic Response to EZH2 and DRD2 Inhibitors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2100096. [PMID: 34676924 PMCID: PMC8820841 DOI: 10.1002/adma.202100096] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 08/09/2021] [Indexed: 05/30/2023]
Abstract
Following treatment with androgen receptor (AR) pathway inhibitors, ≈20% of prostate cancer patients progress by shedding their AR-dependence. These tumors undergo epigenetic reprogramming turning castration-resistant prostate cancer adenocarcinoma (CRPC-Adeno) into neuroendocrine prostate cancer (CRPC-NEPC). No targeted therapies are available for CRPC-NEPCs, and there are minimal organoid models to discover new therapeutic targets against these aggressive tumors. Here, using a combination of patient tumor proteomics, RNA sequencing, spatial-omics, and a synthetic hydrogel-based organoid, putative extracellular matrix (ECM) cues that regulate the phenotypic, transcriptomic, and epigenetic underpinnings of CRPC-NEPCs are defined. Short-term culture in tumor-expressed ECM differentially regulated DNA methylation and mobilized genes in CRPC-NEPCs. The ECM type distinctly regulates the response to small-molecule inhibitors of epigenetic targets and Dopamine Receptor D2 (DRD2), the latter being an understudied target in neuroendocrine tumors. In vivo patient-derived xenograft in immunocompromised mice showed strong anti-tumor response when treated with a DRD2 inhibitor. Finally, we demonstrate that therapeutic response in CRPC-NEPCs under drug-resistant ECM conditions can be overcome by first cellular reprogramming with epigenetic inhibitors, followed by DRD2 treatment. The synthetic organoids suggest the regulatory role of ECM in therapeutic response to targeted therapies in CRPC-NEPCs and enable the discovery of therapies to overcome resistance.
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Affiliation(s)
- Matthew J Mosquera
- Sibley School of Mechanical Engineering, Cornell University, Ithaca, NY, 14850, USA
| | - Sungwoong Kim
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, 30332, USA
| | - Rohan Bareja
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
- Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Zhou Fang
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, 30332, USA
| | - Shuangyi Cai
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, 30332, USA
| | - Heng Pan
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
- Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Muhammad Asad
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Maria Laura Martin
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Michael Sigouros
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Florencia M Rowdo
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Sarah Ackermann
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Jared Capuano
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Jacob Bernheim
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Cynthia Cheung
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Ashley Doane
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Nicholas Brady
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Richa Singh
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - David S Rickman
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | | | | | - Loredana Puca
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
| | - Ahmet F Coskun
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, 30332, USA
| | - Mark A Rubin
- Department for BioMedical Research, University of Bern, Bern, 3012, Switzerland
| | - Himisha Beltran
- Department of Medical Oncology, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, 02215, USA
| | - Juan Miguel Mosquera
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Olivier Elemento
- Englander Institute for Precision Medicine, Weill Cornell Medicine-New York-Presbyterian Hospital, New York, NY, 10021, USA
- Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Ankur Singh
- Sibley School of Mechanical Engineering, Cornell University, Ithaca, NY, 14850, USA
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, 30332, USA
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18
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Crowley F, Sterpi M, Buckley C, Margetich L, Handa S, Dovey Z. A Review of the Pathophysiological Mechanisms Underlying Castration-resistant Prostate Cancer. Res Rep Urol 2021; 13:457-472. [PMID: 34235102 PMCID: PMC8256377 DOI: 10.2147/rru.s264722] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/10/2021] [Indexed: 12/12/2022] Open
Abstract
Androgen deprivation therapy or ADT is one of the cornerstones of management of locally advanced or metastatic prostate cancer, alongside radiation therapy. However, despite early response, most advanced prostate cancers progress into an androgen unresponsive or castrate resistant state, which hitherto remains an incurable entity and the second leading cause of cancer-related mortality in men in the US. Recent advances have uncovered multiple complex and intermingled mechanisms underlying this transformation. While most of these mechanisms revolve around androgen receptor (AR) signaling, novel pathways which act independently of the androgen axis are also being discovered. The aim of this article is to review the pathophysiological mechanisms that help bypass the apoptotic effects of ADT to create castrate resistance. The article discusses castrate resistance mechanisms under two categories: 1. Direct AR dependent pathways such as amplification or gain of function mutations in AR, development of functional splice variants, posttranslational regulation, and pro-oncogenic modulation in the expression of coactivators vs corepressors of AR. 2. Ancillary pathways involving RAS/MAP kinase, TGF-beta/SMAD pathway, FGF signaling, JAK/STAT pathway, Wnt-Beta catenin and hedgehog signaling as well as the role of cell adhesion molecules and G-protein coupled receptors. miRNAs are also briefly discussed. Understanding the mechanisms involved in the development and progression of castration-resistant prostate cancer is paramount to the development of targeted agents to overcome these mechanisms. A number of targeted agents are currently in development. As we strive for more personalized treatment across oncology care, treatment regimens will need to be tailored based on the type of CRPC and the underlying mechanism of castration resistance.
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Affiliation(s)
- Fionnuala Crowley
- Department of Internal Medicine, Icahn School of Medicine, Mount Sinai Morningside and West, New York, NY, USA
| | - Michelle Sterpi
- Department of Internal Medicine, Icahn School of Medicine, Mount Sinai Morningside and West, New York, NY, USA
| | - Conor Buckley
- Department of Internal Medicine, Icahn School of Medicine, Mount Sinai Morningside and West, New York, NY, USA
| | - Lauren Margetich
- Department of Internal Medicine, Icahn School of Medicine, Mount Sinai Morningside and West, New York, NY, USA
| | - Shivani Handa
- Department of Internal Medicine, Icahn School of Medicine, Mount Sinai Morningside and West, New York, NY, USA
| | - Zach Dovey
- Department of Urology, Icahn School of Medicine, Mount Sinai Hospital, New York, NY, USA
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19
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Shah A, Shah AA, K N, Lobo R. Mechanistic targets for BPH and prostate cancer-a review. REVIEWS ON ENVIRONMENTAL HEALTH 2021; 36:261-270. [PMID: 32960781 DOI: 10.1515/reveh-2020-0051] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 09/02/2020] [Indexed: 05/26/2023]
Abstract
All men, almost, suffer from prostatic disorders in average life expectancy. In the year of 1950s, the first autopsy of prostate gland discovered the link between Benign prostatic hyperplasia (BPH) and Prostate Cancer (PCa). After that, many histology, biochemistry, epidemiology studies explained the association and associated risk factor for the same. From the various scientific evidence, it is proved that both diseases share some common transcription factors and signalling pathways. Still, BPH cannot be considered as the first step of PCa progression. To define, the relationship between both of the diseases, a well-defined large epidemiological study is needed. Along with androgen signalling, imbalanced apoptosis, oxidative stress, and microbial infection also crucial factors that significantly affect the pathogenesis of BPH. Various signalling pathways are involved in the progression of BPH. Androgen signalling is the driving force for the progress of PCa. In PCa androgen signalling is upregulated as compared to a healthy prostate. Some dominant Androgen-regulated genes and their functions have been discussed in this work.
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Affiliation(s)
- Abhishek Shah
- Department of Pharmacognosy, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Aarti Abhishek Shah
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Nandakumar K
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Richard Lobo
- Department of Pharmacognosy, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
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20
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Zemskova MY, Marinets MV, Sivkov AV, Pavlova JV, Shibaev AN, Sorokin KS. Integrin Alpha V in Urine: A Novel Noninvasive Marker for Prostate Cancer Detection. Front Oncol 2021; 10:610647. [PMID: 33791193 PMCID: PMC8006463 DOI: 10.3389/fonc.2020.610647] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 12/31/2020] [Indexed: 11/20/2022] Open
Abstract
Prostate cancer (PCa) diagnosis based on patient urine analysis provides non-invasive and promising method as compared to biopsy and a prostate-specific antigen (PSA) test. This study was conceived to investigate whether Integrin alpha V (ITGAV) protein is present in urine and assess the urinary ITGAV diagnostic potential for PCa. Materials and Methods: Urinary ITGAV expression was determined by Western blot analysis and quantified by ELISA in urine from men with PCa (n = 47), benign prostate hyperplasia (n = 42) and age-matched controls (n = 22). Results: The level of ITGAV protein was significantly lower in PCa urine samples as compared to those in the control group (p < 0.00001). The decrease of ITGAV in urine was highly predictive of PCa with 91.5% sensitivity, 91.4% specificity, 0.93 area under the ROC curve, and its specificity was better than that of serum PSA. Conclusion: Urinary ITGAV provides a novel noninvasive biomarker with high specificity.
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Affiliation(s)
- Marina Y Zemskova
- G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Federal Research Center, Pushchino Center for Biological Research of the Russian Academy of Sciences, Pushchino, Russia.,Department of the Research, Prostagnost LLC, Moscow, Russia
| | - Maria V Marinets
- N.A. Lopatkin Research Institute of Urology and Interventional Radiology, Branch of FSBI National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrey V Sivkov
- N.A. Lopatkin Research Institute of Urology and Interventional Radiology, Branch of FSBI National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Julia V Pavlova
- Department of Urology, M.F. Vladimirsky Moscow Regional Research and Clinical Institute (MONIKI), Moscow, Russia
| | - Andrey N Shibaev
- Department of Urology, M.F. Vladimirsky Moscow Regional Research and Clinical Institute (MONIKI), Moscow, Russia
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21
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Integrin expression in correlation to clinicopathological features and prognosis of prostate cancer: A systematic review and meta-analysis. Urol Oncol 2021; 39:221-232. [PMID: 33558138 DOI: 10.1016/j.urolonc.2020.12.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/20/2020] [Accepted: 12/22/2020] [Indexed: 11/20/2022]
Abstract
BACKGROUND The prompt identification of patients with poor prognosis is essential in order to improve the treatment outcomes in prostate cancer (CaP); as a novel approach, several molecular markers, including integrins, have been discussed as prognostic biomarkers. Our aim was to comprehensively examine aberrant expression of integrins in correlation with clinicopathological features and prognosis in CaP by synthesizing all available evidence, in a systematic review and meta-analysis. METHODS A systematic review and meta-analysis was performed in accordance with the Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA) guidelines. Scientific literature databases (Pubmed, Embase, and Scopus) were systematically searched until May 10, 2020. Random-effects (DerSimonian-Laird) models were used to estimate pooled odds ratios (ORs) for cross-sectional correlations with clinicopathological characteristics and relative risks for longitudinal associations with prognosis. RESULTS Fourteen studies were included with a total number of 3,194 CaP cases examined (13 cross-sectional and four longitudinal cohort study arms). Correlation of low expression of α6 (pooled OR = 0.10, 95% confidence interval [CI]: 0.04-0.28, P < 0.001) and β1 (pooled OR = 0.45; 95% CI: 0.21-1.00, P = 0.049) integrin with high Gleason score was noted. A borderline trend between reduced expression of α6 integrin and an advanced clinical stage of CaP (pooled OR = 0.48; 95% CI: 0.22-1.03, P = 0.06) was observed. No associations with biochemical recurrence and survival were documented. CONCLUSIONS Evidence on the association of low expression of integrins α6 and β1 and more advanced CaP exist, whereas significant results on survival were not documented; further studies are warranted.
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22
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Quaglia F, Krishn SR, Wang Y, Goodrich DW, McCue P, Kossenkov AV, Mandigo AC, Knudsen KE, Weinreb PH, Corey E, Kelly WK, Languino LR. Differential expression of αVβ3 and αVβ6 integrins in prostate cancer progression. PLoS One 2021; 16:e0244985. [PMID: 33481853 PMCID: PMC7822502 DOI: 10.1371/journal.pone.0244985] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 12/18/2020] [Indexed: 12/16/2022] Open
Abstract
Neuroendocrine prostate cancer (NEPrCa) arises de novo or after accumulation of genomic alterations in pre-existing adenocarcinoma tumors in response to androgen deprivation therapies. We have provided evidence that small extracellular vesicles released by PrCa cells and containing the αVβ3 integrin promote neuroendocrine differentiation of PrCa in vivo and in vitro. Here, we examined αVβ3 integrin expression in three murine models carrying a deletion of PTEN (SKO), PTEN and RB1 (DKO), or PTEN, RB1 and TRP53 (TKO) genes in the prostatic epithelium; of these three models, the DKO and TKO tumors develop NEPrCa with a gene signature comparable to those of human NEPrCa. Immunostaining analysis of SKO, DKO and TKO tumors shows that αVβ3 integrin expression is increased in DKO and TKO primary tumors and metastatic lesions, but absent in SKO primary tumors. On the other hand, SKO tumors show higher levels of a different αV integrin, αVβ6, as compared to DKO and TKO tumors. These results are confirmed by RNA-sequencing analysis. Moreover, TRAMP mice, which carry NEPrCa and adenocarcinoma of the prostate, also have increased levels of αVβ3 in their NEPrCa primary tumors. In contrast, the αVβ6 integrin is only detectable in the adenocarcinoma areas. Finally, analysis of 42 LuCaP patient-derived xenografts and primary adenocarcinoma samples shows a positive correlation between αVβ3, but not αVβ6, and the neuronal marker synaptophysin; it also demonstrates that αVβ3 is absent in prostatic adenocarcinomas. In summary, we demonstrate that αVβ3 integrin is upregulated in NEPrCa primary and metastatic lesions; in contrast, the αVβ6 integrin is confined to adenocarcinoma of the prostate. Our findings suggest that the αVβ3 integrin, but not αVβ6, may promote a shift in lineage plasticity towards a NE phenotype and might serve as an informative biomarker for the early detection of NE differentiation in prostate cancer.
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Affiliation(s)
- Fabio Quaglia
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, PA, United States of America
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States of America
| | - Shiv Ram Krishn
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, PA, United States of America
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States of America
| | - Yanqing Wang
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States of America
| | - David W. Goodrich
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States of America
| | - Peter McCue
- Department of Pathology, Thomas Jefferson University, Philadelphia, PA, United States of America
| | - Andrew V. Kossenkov
- Center for Systems and Computational Biology, Wistar Institute, Philadelphia, PA, United States of America
| | - Amy C. Mandigo
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States of America
| | - Karen E. Knudsen
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States of America
| | | | - Eva Corey
- Department of Urology, University of Washington, Seattle, Washington, United States of America
| | - William K. Kelly
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, United States of America
| | - Lucia R. Languino
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, PA, United States of America
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, United States of America
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23
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Targeting therapy for prostate cancer by pharmaceutical and clinical pharmaceutical strategies. J Control Release 2021; 333:41-64. [PMID: 33450321 DOI: 10.1016/j.jconrel.2021.01.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 02/08/2023]
Abstract
For the past few years, nanotechnology has provided a lot of new treatment opportunities for prostate cancer patients, and brilliant achievements have been acquired indeed. It not only prolonged circulation time in vivo but also increased bio-availability of drugs. Among them, nanoparticles with specificity ligand can be better targeted at prostate cancer, which improves the curative effect and reduces side effects. What's more, in terms of combined administration, the synergistic effect of chemotherapeutic drugs and hormones, or co-delivery two or more different drugs into the same delivery system, has achieved good therapeutic progress as well. In this paper, a comprehensive overview of nano-technology and the combination therapy for prostate cancer by pharmaceutical and clinical pharmaceutical strategies have been proposed to further appreciate and recommend the design and development of prostate cancer treatment.
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24
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Brenet M, Martínez S, Pérez-Nuñez R, Pérez LA, Contreras P, Díaz J, Avalos AM, Schneider P, Quest AFG, Leyton L. Thy-1 (CD90)-Induced Metastatic Cancer Cell Migration and Invasion Are β3 Integrin-Dependent and Involve a Ca 2+/P2X7 Receptor Signaling Axis. Front Cell Dev Biol 2021; 8:592442. [PMID: 33511115 PMCID: PMC7835543 DOI: 10.3389/fcell.2020.592442] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 12/04/2020] [Indexed: 01/21/2023] Open
Abstract
Cancer cell adhesion to the vascular endothelium is an important step in tumor metastasis. Thy-1 (CD90), a cell adhesion molecule expressed in activated endothelial cells, has been implicated in melanoma metastasis by binding to integrins present in cancer cells. However, the signaling pathway(s) triggered by this Thy-1-Integrin interaction in cancer cells remains to be defined. Our previously reported data indicate that Ca2+-dependent hemichannel opening, as well as the P2X7 receptor, are key players in Thy-1-αVβ3 Integrin-induced migration of reactive astrocytes. Thus, we investigated whether this signaling pathway is activated in MDA-MB-231 breast cancer cells and in B16F10 melanoma cells when stimulated with Thy-1. In both cancer cell types, Thy-1 induced a rapid increase in intracellular Ca2+, ATP release, as well as cell migration and invasion. Connexin and Pannexin inhibitors decreased cell migration, implicating a requirement for hemichannel opening in Thy-1-induced cell migration. In addition, cell migration and invasion were precluded when the P2X7 receptor was pharmacologically blocked. Moreover, the ability of breast cancer and melanoma cells to transmigrate through an activated endothelial monolayer was significantly decreased when the β3 Integrin was silenced in these cancer cells. Importantly, melanoma cells with silenced β3 Integrin were unable to metastasize to the lung in a preclinical mouse model. Thus, our results suggest that the Ca2+/hemichannel/ATP/P2X7 receptor-signaling axis triggered by the Thy-1-αVβ3 Integrin interaction is important for cancer cell migration, invasion and transvasation. These findings open up the possibility of therapeutically targeting the Thy-1-Integrin signaling pathway to prevent metastasis.
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Affiliation(s)
- Marianne Brenet
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Samuel Martínez
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Ramón Pérez-Nuñez
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Leonardo A Pérez
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Pamela Contreras
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Jorge Díaz
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Ana María Avalos
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago, Chile
| | - Pascal Schneider
- Department of Biochemistry, University of Lausanne, Epalinges, Switzerland
| | - Andrew F G Quest
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Lisette Leyton
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
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25
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Exosomes-Mediated Transfer of Itga2 Promotes Migration and Invasion of Prostate Cancer Cells by Inducing Epithelial-Mesenchymal Transition. Cancers (Basel) 2020; 12:cancers12082300. [PMID: 32824235 PMCID: PMC7466113 DOI: 10.3390/cancers12082300] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 12/19/2022] Open
Abstract
Although integrin alpha 2 subunit (ITGA2) mediates cancer progression and metastasis, its transfer by exosomes has not been investigated in prostate cancer (PCa). We aimed to determine the role of exosomal ITGA2 derived from castration-resistant PCa (CRPC) cells in promoting aggressive phenotypes in androgen receptor (AR)-positive cells. Exosomes were co-incubated with recipient cells and tested for different cellular assays. ITGA2 was enriched in exosomes derived from CRPC cells. Co-culture of AR-positive cells with CRPC-derived exosomes increased their proliferation, migration, and invasion by promoting epithelial-mesenchymal transition, which was reversed via ITGA2 knockdown or inhibition of exosomal uptake by methyl-β-cyclodextrin (MβCD). Ectopic expression of ITGA2 reproduced the effect of exosomal ITGA2 in PCa cells. ITGA2 transferred by exosomes exerted its effect within a shorter time compared to that triggered by its endogenous expression. The difference of ITGA2 protein expression in localized tumors and those with lymph node metastatic tissues was indistinguishable. Nevertheless, its abundance was higher in circulating exosomes collected from PCa patients when compared with normal subjects. Our findings indicate the possible role of the exosomal-ITGA2 transfer in altering the phenotype of AR-positive cells towards more aggressive phenotype. Thus, interfering with exosomal cargo transfer may inhibit the development of aggressive phenotype in PCa cells.
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26
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Schönthal AH, Swenson SD, Chen TC, Markland FS. Preclinical studies of a novel snake venom-derived recombinant disintegrin with antitumor activity: A review. Biochem Pharmacol 2020; 181:114149. [PMID: 32663453 DOI: 10.1016/j.bcp.2020.114149] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/09/2020] [Accepted: 07/09/2020] [Indexed: 12/12/2022]
Abstract
Snake venoms consist of a complex mixture of many bioactive molecules. Among them are disintegrins, which are peptides without enzymatic activity, but with high binding affinity for integrins, transmembrane receptors that function to connect cells with components of the extracellular matrix. Integrin-mediated cell attachment is critical for cell migration and dissemination, as well as for signal transduction pathways involved in cell growth. During tumor development, integrins play key roles by supporting cancer cell proliferation, angiogenesis, and metastasis. The recognition that snake venom disintegrins can block integrin functions has spawned a number of studies to explore their cancer therapeutic potential. While dozens of different disintegrins have been isolated, none of them as yet has undergone clinical evaluation in cancer patients. Among the best-characterized and preclinically most advanced disintegrins is vicrostatin (VCN), a recombinant disintegrin that was rationally designed by fusing 62 N-terminal amino acids derived from the disintegrin contortrostatin with 6 C-terminal amino acids from echistatin, the disintegrins from another snake species. Bacterially produced VCN was shown to target multiple tumor-associated integrins, achieving potent anti-tumor and anti-angiogenic effects in in vitro and in vivo models in the absence of noticeable toxicity. This review will introduce the field of snake venom disintegrins as potential anticancer agents and illustrate the translational development and cancer-therapeutic potential of VCN as an example.
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Affiliation(s)
- Axel H Schönthal
- Department of Molecular Microbiology and Immunology, Keck School of Medicine (KSOM), University of Southern California (USC), Los Angeles, CA 90089, USA
| | - Stephen D Swenson
- Department of Neurological Surgery, KSOM, USC, Los Angeles, CA 90089, USA; Department of Biochemistry and Molecular Medicine, KSOM, USC, Los Angeles, CA 90089, USA
| | - Thomas C Chen
- Department of Neurological Surgery, KSOM, USC, Los Angeles, CA 90089, USA
| | - Francis S Markland
- Department of Biochemistry and Molecular Medicine, KSOM, USC, Los Angeles, CA 90089, USA.
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27
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Quaglia F, Krishn SR, Daaboul GG, Sarker S, Pippa R, Domingo-Domenech J, Kumar G, Fortina P, McCue P, Kelly WK, Beltran H, Liu Q, Languino LR. Small extracellular vesicles modulated by αVβ3 integrin induce neuroendocrine differentiation in recipient cancer cells. J Extracell Vesicles 2020; 9:1761072. [PMID: 32922691 PMCID: PMC7448905 DOI: 10.1080/20013078.2020.1761072] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The ability of small extracellular vesicles (sEVs) to reprogram cancer cells is well established. However, the specific sEV components able to mediate aberrant effects in cancer cells have not been characterized. Integrins are major players in mediating sEV functions. We have previously reported that the αVβ3 integrin is detected in sEVs of prostate cancer (PrCa) cells and transferred into recipient cells. Here, we investigate whether sEVs from αVβ3-expressing cells affect tumour growth differently than sEVs from control cells that do not express αVβ3. We compared the ability of sEVs to stimulate tumour growth, using sEVs isolated from PrCa C4-2B cells by iodixanol density gradient and characterized with immunoblotting, nanoparticle tracking analysis, immunocapturing and single vesicle analysis. We incubated PrCa cells with sEVs and injected them subcutaneously into nude mice to measure in vivo tumour growth or analysed in vitro their anchorage-independent growth. Our results demonstrate that a single treatment with sEVs shed from C4-2B cells that express αVβ3, but not from control cells, stimulates tumour growth and induces differentiation of PrCa cells towards a neuroendocrine phenotype, as quantified by increased levels of neuroendocrine markers. In conclusion, the expression of αVβ3 integrin generates sEVs capable of reprogramming cells towards an aggressive phenotype.
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Affiliation(s)
- Fabio Quaglia
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, PA, USA.,Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Shiv Ram Krishn
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, PA, USA.,Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - George G Daaboul
- Department of Research and Development, NanoView Biosciences, Boston, MA, USA
| | - Srawasti Sarker
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, PA, USA.,Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Raffaella Pippa
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, USA
| | | | - Gaurav Kumar
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Paolo Fortina
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Peter McCue
- Department of Pathology, Thomas Jefferson University, Philadelphia, PA, USA
| | - William K Kelly
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Himisha Beltran
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Qin Liu
- Molecular and Cellular Oncogenesis Program, the Wistar Institute, Philadelphia, PA, USA
| | - Lucia R Languino
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, PA, USA.,Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA
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28
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Ghasemi H, Mousavibahar SH, Hashemnia M, Karimi J, Khodadadi I, Mirzaei F, Tavilani H. Tissue stiffness contributes to YAP activation in bladder cancer patients undergoing transurethral resection. Ann N Y Acad Sci 2020; 1473:48-61. [PMID: 32428277 DOI: 10.1111/nyas.14358] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 03/21/2020] [Accepted: 04/13/2020] [Indexed: 12/13/2022]
Abstract
Changes in the cellular microenvironment play a critical role in the development of bladder cancer (BC). Yes-associated protein (YAP), a central mediator of the Hippo pathway, functions as a nuclear sensor of mechanotransduction that can be induced by stiffness of the extracellular matrix (ECM), including stiffness resulting from surgical manipulations. We aimed to clarify the possible association between surgically-related ECM stiffness and YAP activation in BC patients. We compared 30 bladder cancer tissues with grade II (n = 15 recurrent and n = 15 newly diagnosed) with 30 adjacent healthy tissues. Atomic force microscopy showed that patients with recurrent BC had stiffer ECM than newly diagnosed patients (P < 0.05). Gene expression profiles showed that β1 integrin (ITGB1), focal adhesion kinase (FAK), CDC42, and YAP were upregulated in cancerous tissues (P < 0.05); additionally, β1 integrin activation was confirmed using a specific antibody. Nuclear localization of YAP was higher in recurrent cancerous tissues compared with newly diagnosed and it was positively associated with higher stiffness (P < 0.05). Our results suggest that postsurgery-induced ECM stiffness can influence integrin-FAK-YAP activity and thereby YAP trafficking to the nucleus where it contributes to BC progression and relapse.
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Affiliation(s)
- Hadi Ghasemi
- Department of Clinical Biochemistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | | | - Mohammad Hashemnia
- Department of Pathobiology, Veterinary Medicine Faculty Razi University, Kermanshah, Iran
| | - Jamshid Karimi
- Department of Clinical Biochemistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Iraj Khodadadi
- Department of Clinical Biochemistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Fatemeh Mirzaei
- Department of Anatomy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Heidar Tavilani
- Urology & Nephrology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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29
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Wang W, Xing H, Huang C, Pan H, Li D. Identification of pancreatic cancer type related factors by Weighted Gene Co-Expression Network Analysis. Med Oncol 2020; 37:33. [PMID: 32200436 DOI: 10.1007/s12032-020-1339-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 01/22/2020] [Indexed: 12/12/2022]
Abstract
This study aims to identify the core modules associated with pancreatic cancer (PC) types and the ncRNAs and transcription factors (TFs) that regulate core module genes by weighted gene co-expression network analysis (WGCNA). WGCNA was used to analyze the union of genes related to PC in NCBI and OMIM databases and the differentially expressed genes screened by TCGA-PAAD database. Samples were clustered according to gene expression in gene modules and Fisher exact method was performed. GO and KEGG were used for enrichment analysis to visually display module genes and screen driver genes. Hypergeometric test method was used to calculate pivot nodes among ncRNAs, TFs and mRNA based on RAID 2.0 and TRRUST v2 databases. The blue and yellow modules were identified as the core modules associated with PC types. MST1R, TMPRSS, MIR198, SULF1, COL1A1 and FAP were the core genes in the modules. Hypergeometric test results showed that ANCR, miR-3134, MT1DP, LOC154449, LOC28329 and other ncRNAs were key factors driving blue module genes, while LINC-ROR, UCA1, SNORD114-4, HEIH, SNORD114-6 and other ncRNAs were key factors driving yellow module genes. TFs with significant regulatory effect on blue module included LCOR, PIAS4, ZEB1, SNAI2, SMARCA4, etc. and on yellow module included HOXC6, PER2, HOXD3, TWIST2, VHL, etc. The core modules associated with PC types were proved as yellow and blue modules, and important ncRNAs and TFs regulating yellow and blue modules were found. This study provides relevant evidence for further identification of PC types.
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Affiliation(s)
- Wei Wang
- Department of Medical Oncology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3# Eastern Qingchun Road, Hangzhou, 310016, Zhejiang, People's Republic of China
| | - Haibo Xing
- Department of ICU, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Xiasha Campus, 368# Xiasha Road, Hangzhou, 310019, Zhejiang, People's Republic of China
| | - Changxin Huang
- Department of Medical Oncology, Hangzhou Normal University Affiliated Hospital, Hangzhou, 310000, Zhejiang, People's Republic of China
| | - Hong Pan
- Department of Medical Oncology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Xiasha Campus, 368# Xiasha Road, Hangzhou, 310019, Zhejiang, People's Republic of China.
| | - Da Li
- Department of Medical Oncology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3# Eastern Qingchun Road, Hangzhou, 310016, Zhejiang, People's Republic of China.
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30
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Methods for Evaluation of a Snake Venom-Derived Disintegrin in Animal Models of Human Cancer. Methods Mol Biol 2020; 2068:185-204. [PMID: 31576529 DOI: 10.1007/978-1-4939-9845-6_10] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Integrin targeting has been shown to be an effective approach for anticancer therapy. We engineered a recombinant disintegrin, vicrostatin (VCN), that binds with high affinity and specificity to the Arg-Gly-Asp (RGD) class of integrins, including αvβ3, αvβ5, and α5β1, involved in tumor invasion and metastasis. We used three different delivery modalities to examine anticancer activity of VCN in mouse models of human ovarian cancer, glioma, and prostate cancer. A female mouse model was used to examine the treatment of established ovarian cancer (OC) using VCN delivered intraperitoneally (IP) weekly either in saline or impregnated in a viscoelastic gel. SKOV3luc cells (a human OC cell line) were directly injected IP into immunodeficient mice. We also examined the antitumor activity of radioiodinated VCN delivered intravenously in a human glioma model in nude mice. We evaluated the effectiveness of 131I-VCN in combination with the DNA alkylating agent temozolomide in limiting glioma growth. Finally, treatment of a bone metastatic model of human prostate cancer (PC) in immunodeficient mice was examined using a liposomal formulation of VCN (LVCN) delivered intravenously. Human PC cells were suspended in a solution of Matrigel and injected into the left tibia of immunodeficient mice. Diameters of both the left and right (control) tibias were measured by caliper repeatedly after VCN treatment was initiated.
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31
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Lv Z, Yang Y, Yang C. Integrin α7 correlates with worse clinical features and prognosis, and its knockdown inhibits cell proliferation and stemness in tongue squamous cell carcinoma. Int J Oncol 2019; 56:69-84. [PMID: 31789398 PMCID: PMC6910187 DOI: 10.3892/ijo.2019.4927] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 09/09/2019] [Indexed: 01/17/2023] Open
Abstract
The present study aimed to evaluate the correlation of integrin α7 (ITGA7) with clinicopathological characteristics and overall survival (OS) in patients with tongue squamous cell carcinoma (TSCC), and to investigate the effect of ITGA7 knockdown on proliferation, apoptosis and stemness of TSCC cells in vitro. ITGA7 expression was measured in tumor tissues and paired adjacent normal tissues from 60 patients with TSCC using immunohistochemistry. ITGA7 expression in human TSCC cell lines and normal oral keratinocytes was measured using quantitative PCR and western blotting. Lentiviruses carrying short hairpin (sh) RNA targeting ITGA7 were used to knockdown its expression in CAL-27 and HSC-4 cells, and then proliferation, apoptosis and stemness were measured. In addition, CAL-27 and HSC-4 cancer stem cells (CSCs) were constructed and their ITGA7 expression was measured. The results demonstrated that ITGA7 was upregulated in the tumor tissues compared with the paired adjacent tissues, and its high expression was correlated with worse pathological grade, N stage, TNM stage and OS. In vitro, ITGA7 expression levels were demonstrated to be increased in the TSCC CAL-27, SCC-9, HSC-4 and SCC-25 cell lines compared to the normal HOK cell line. In CAL-27 and HSC-4 cells, ITGA7 knockdown inhibited cell proliferation, promoted apoptosis, increased CD24 expression, decreased CD44 and CD133 expression, reduced drug resistance to cisplatin and attenuated sphere formation efficiency. Finally, ITGA7 expression levels were greatly elevated in CAL-27 and HSC-4 CSCs compared with parental CAL-27 and HSC-4 cells. In conclusion, ITGA7 knockdown inhibited tumor cell proliferation and stemness in TSCC cells. These findings indicated that ITGA7 might serve as a potential marker for CSCs and may correlate with worse clinical features and prognosis in TSCC.
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Affiliation(s)
- Zhiyong Lv
- Department of Oral and Maxillofacial Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Ye Yang
- Department of Oral and Maxillofacial Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Chunyan Yang
- Department of Oral and Maxillofacial Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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Laurini E, Marson D, Aulic S, Fermeglia M, Pricl S. Evolution from Covalent to Self-Assembled PAMAM-Based Dendrimers as Nanovectors for siRNA Delivery in Cancer by Coupled in Silico-Experimental Studies. Part II: Self-Assembled siRNA Nanocarriers. Pharmaceutics 2019; 11:pharmaceutics11070324. [PMID: 31295912 PMCID: PMC6680776 DOI: 10.3390/pharmaceutics11070324] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/05/2019] [Accepted: 07/08/2019] [Indexed: 01/07/2023] Open
Abstract
In part I of this review, the authors showed how poly(amidoamine) (PAMAM)-based dendrimers can be considered as promising delivering platforms for siRNA therapeutics. This is by virtue of their precise and unique multivalent molecular architecture, characterized by uniform branching units and a plethora of surface groups amenable to effective siRNA binding and delivery to e.g., cancer cells. However, the successful clinical translation of dendrimer-based nanovectors requires considerable amounts of good manufacturing practice (GMP) compounds in order to conform to the guidelines recommended by the relevant authorizing agencies. Large-scale GMP-standard high-generation dendrimer production is technically very challenging. Therefore, in this second part of the review, the authors present the development of PAMAM-based amphiphilic dendrons, that are able to auto-organize themselves into nanosized micelles which ultimately outperform their covalent dendrimer counterparts in in vitro and in vivo gene silencing.
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Affiliation(s)
- Erik Laurini
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy
| | - Domenico Marson
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy.
| | - Suzana Aulic
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy
| | - Maurizio Fermeglia
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy
| | - Sabrina Pricl
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy
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Abstract
Bone metastases are the main driver of morbidity and mortality in advanced prostate cancer. Targeting the bone microenvironment, a key player in the pathogenesis of bone metastasis, has become one of the mainstays of therapy in men with advanced prostate cancer. This review will evaluate the data supporting the use of bone-targeted therapy, including (1) bisphosphonates such as zoledronic acid, which directly target osteoclasts, (2) denosumab, a receptor activator of nuclear factor-kappa B (RANK) ligand inhibitor, which targets a key component of bone stromal interaction, and (3) radium-223, an alpha-emitting calcium mimetic, which hones to the metabolically active areas of osteoblastic metastasis and induces double-strand breaks in the DNA. Denosumab has shown enhanced delay in skeletal-related events compared to zoledronic acid in patients with metastatic castration-resistant prostate cancer (mCRPC). Data are mixed with regard to pain control as a primary measure of efficacy. New data call into question dosing frequency, with quarterly dosing strategy potentially achieving similar effect compared to monthly dosing for zoledronic acid. In the case of radium-223, there are data for both pain palliation and improved overall survival in mCRPC. Further studies are needed to optimize timing and combination strategies for bone-targeted therapies. Ongoing studies will explore the impact of combining bone-targeted therapy with investigational therapeutic agents such as immunotherapy, for advanced prostate cancer. Future studies should strive to develop biomarkers of response, in order to improve efficacy and cost-effectiveness of these agents.
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Affiliation(s)
- Tanya B Dorff
- USC Keck School of Medicine, USC Norris Comprehensive Cancer Center, Genitourinary Oncology, Los Angeles, CA 90033, USA
| | - Neeraj Agarwal
- Hunts Man Cancer Institute, University of Utah, 2000 Circle of Hope, Salt Lake City, UT 84112, USA
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Pal M. Tumor metastasis suppressor functions of Ets transcription factor through integrin β3‐mediated signaling pathway. J Cell Physiol 2019; 234:20266-20274. [DOI: 10.1002/jcp.28627] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 02/19/2019] [Accepted: 02/20/2019] [Indexed: 01/04/2023]
Affiliation(s)
- Mintu Pal
- Biological Sciences and Technology Division Biotechnology Group, CSIR‐North East Institute of Science and Technology, Academy of Scientific & Innovative Research (AcSIR) Jorhat Assam‐India
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35
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Cayrol F, Sterle HA, Díaz Flaqué MC, Barreiro Arcos ML, Cremaschi GA. Non-genomic Actions of Thyroid Hormones Regulate the Growth and Angiogenesis of T Cell Lymphomas. Front Endocrinol (Lausanne) 2019; 10:63. [PMID: 30814977 PMCID: PMC6381017 DOI: 10.3389/fendo.2019.00063] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 01/23/2019] [Indexed: 12/16/2022] Open
Abstract
T-cell lymphomas (TCL) are a heterogeneous group of aggressive clinical lymphoproliferative disorders with considerable clinical, morphological, immunophenotypic, and genetic variation, including ~10-15% of all lymphoid neoplasms. Several evidences indicate an important role of the non-neoplastic microenvironment in promoting both tumor growth and dissemination in T cell malignancies. Thus, dysregulation of integrin expression and activity is associated with TCL survival and proliferation. We found that thyroid hormones acting via the integrin αvβ3 receptor are crucial factors in tumor microenvironment (TME) affecting the pathophysiology of TCL cells. Specifically, TH-activated αvβ3 integrin signaling promoted TCL proliferation and induced and an angiogenic program via the up-regulation of the vascular endothelial growth factor (VEGF). This was observed both on different TCL cell lines representing the different subtypes of human hematological malignancy, and in preclinical models of TCL tumors xenotransplanted in immunodeficient mice as well. Moreover, development of solid tumors by inoculation of murine TCLs in syngeneic hyperthyroid mice, showed increased tumor growth along with increased expression of cell cycle regulators. The genomic or pharmacological inhibition of integrin αvβ3 decreased VEGF production, induced TCL cell death and decreased in vivo tumor growth and angiogenesis. Here, we review the non-genomic actions of THs on TCL regulation and their contribution to TCL development and evolution. These actions not only provide novel new insights on the endocrine modulation of TCL, but also provide a potential molecular target for its treatment.
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Affiliation(s)
- Florencia Cayrol
- Instituto de Investigaciones Biomédicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
| | - Helena A Sterle
- Instituto de Investigaciones Biomédicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
| | - Maria Celeste Díaz Flaqué
- Instituto de Investigaciones Biomédicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
| | - Maria Laura Barreiro Arcos
- Instituto de Investigaciones Biomédicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
| | - Graciela A Cremaschi
- Instituto de Investigaciones Biomédicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Médicas, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
- Laboratorio de Radioisótopos, Cátedra de Física, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
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Sekino Y, Oue N, Mukai S, Shigematsu Y, Goto K, Sakamoto N, Sentani K, Hayashi T, Teishima J, Matsubara A, Yasui W. Protocadherin B9 promotes resistance to bicalutamide and is associated with the survival of prostate cancer patients. Prostate 2019; 79:234-242. [PMID: 30324761 DOI: 10.1002/pros.23728] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 09/27/2018] [Indexed: 12/20/2022]
Abstract
Background Prostate cancer (PCa) is a common malignancy worldwide and is the second leading cause of cancer death in men. The standard therapy for advanced PCa is androgen deprivation therapy (ADT). Although ADT, including bicalutamide treatment, is initially effective, resistance to bicalutamide frequently occurs and leads to the development of castration-resistant PCa. Thus, clarifying the mechanisms of bicalutamide resistance is urgently needed. We designed this study to assess the expression and function of PCDHB9, which encodes the protocadherin B9 protein. Methods The expression of PCDHB9 was determined using immunohistochemistry and a qRT-PCR. The effects of the overexpression or knockdown of PCDHB9 on cell growth, migration, adhesion were evaluated. To evaluate the PCDHB9-mediated effects in PCa, we performed a gene expression analysis using DU145 transfected with PCDHB9. We examined the effects of PCDHB9 inhibition on bicalutamide resistance. Results The qRT-PCR revealed that the expression of PCDHB9 was much higher in PCa than that in non-neoplastic prostate tissues. In 152 clinically localized PCa cases immunohistochemistry showed that 59% of PCa cases were positive for protocadherin B9. A Kaplan-Meier analysis showed that the high expression of protocadherin B9 was associated with PSA recurrence after radical prostatectomy. A functional analysis showed that PCDHB9 modulated cell migration and adhesion. We also found that PCDHB9 induced the expression of ITGB6 based on a gene expression analysis. The effect of PCDHB9 inhibition on bicalutamide sensitivity was examined using MTT assays. The IC50 value of PCDHB9 siRNA-transfected PCa cells was significantly lower than that of negative control siRNA-transfected cells. Furthermore, immunohistochemical staining of protocadherin B9 in 74 PCa patients who were treated with androgen depletion therapy, including bicalutamide treatment, demonstrated that the high expression of protocadherin B9 was significantly associated with poor overall survival. Conclusions PCDHB9 plays an important role in the progression of PCa and bicalutamide resistance. Collectively, our results suggest that PCDHB9 targeted therapy may be more effective than bicalutamide alone.
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Affiliation(s)
- Yohei Sekino
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Naohide Oue
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Shoichiro Mukai
- Department of Gastroenterological and Transplant Surgery, Applied Life Sciences, Graduate School of Biomedical and Health Sciences, Minami-ku, Hiroshima, Japan
| | - Yoshinori Shigematsu
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Keisuke Goto
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
- Cancer Biology Program, University of Hawaii Cancer Center, Honolulu, Hawaii
| | - Naoya Sakamoto
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Kazuhiro Sentani
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Tetsutaro Hayashi
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Jun Teishima
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Akio Matsubara
- Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Wataru Yasui
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
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37
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Harryman WL, Warfel NA, Nagle RB, Cress AE. The Tumor Microenvironments of Lethal Prostate Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1210:149-170. [PMID: 31900909 DOI: 10.1007/978-3-030-32656-2_8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Localized prostate cancer (confined to the gland) generally is considered curable, with nearly a 100% 5-year-survival rate. When the tumor escapes the prostate capsule, leading to metastasis, there is a poorer prognosis and higher mortality rate, with 5-year survival dropping to less than 30%. A major research question has been to understand the transition from indolent (low risk) disease to aggressive (high risk) disease. In this chapter, we provide details of the changing tumor microenvironments during prostate cancer invasion and their role in the progression and metastasis of lethal prostate cancer. Four microenvironments covered here include the muscle stroma, perineural invasion, hypoxia, and the role of microvesicles in altering the extracellular matrix environment. The adaptability of prostate cancer to these varied microenvironments and the cues for phenotypic changes are currently understudied areas. Model systems for understanding smooth muscle invasion both in vitro and in vivo are highlighted. Invasive human needle biopsy tissue and mouse xenograft tumors both contain smooth muscle invasion. In combination, the models can be used in an iterative process to validate molecular events for smooth muscle invasion in human tissue. Understanding the complex and interacting microenvironments in the prostate holds the key to early detection of high-risk disease and preventing tumor invasion through escape from the prostate capsule.
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Affiliation(s)
| | - Noel A Warfel
- University of Arizona Cancer Center, Tucson, AZ, USA
| | - Raymond B Nagle
- Department of Pathology, University of Arizona Cancer Center, Tucson, AZ, USA
| | - Anne E Cress
- University of Arizona Cancer Center, Tucson, AZ, USA.
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38
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Skvortsov S, Skvortsova II, Tang DG, Dubrovska A. Concise Review: Prostate Cancer Stem Cells: Current Understanding. Stem Cells 2018; 36:1457-1474. [PMID: 29845679 DOI: 10.1002/stem.2859] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 04/05/2018] [Accepted: 05/01/2018] [Indexed: 12/29/2022]
Abstract
Prostate cancer (PCa) is heterogeneous, harboring phenotypically diverse cancer cell types. PCa cell heterogeneity is caused by genomic instability that leads to the clonal competition and evolution of the cancer genome and by epigenetic mechanisms that result in subclonal cellular differentiation. The process of tumor cell differentiation is initiated from a population of prostate cancer stem cells (PCSCs) that possess many phenotypic and functional properties of normal stem cells. Since the initial reports on PCSCs in 2005, there has been much effort to elucidate their biological properties, including unique metabolic characteristics. In this Review, we discuss the current methods for PCSC enrichment and analysis, the hallmarks of PCSC metabolism, and the role of PCSCs in tumor progression. Stem Cells 2018;36:1457-1474.
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Affiliation(s)
- Sergej Skvortsov
- Laboratory for Experimental and Translational Research on Radiation Oncology (EXTRO-Lab), Department of Therapeutic Radiology and Oncology, Innsbruck Medical University, Innsbruck, Austria.,Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Ira-Ida Skvortsova
- Laboratory for Experimental and Translational Research on Radiation Oncology (EXTRO-Lab), Department of Therapeutic Radiology and Oncology, Innsbruck Medical University, Innsbruck, Austria.,Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Dean G Tang
- Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Buffalo, New York, USA.,Cancer Stem Cell Institute, Research Center for Translational Medicine, East Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Anna Dubrovska
- OncoRay-National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany, Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology-OncoRay, Dresden, Germany; German Cancer Consortium (DKTK), partner site Dresden, and German Cancer Research Center (DKFZ), Heidelberg, Germany
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Prostate cancer sheds the αvβ3 integrin in vivo through exosomes. Matrix Biol 2018; 77:41-57. [PMID: 30098419 DOI: 10.1016/j.matbio.2018.08.004] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 08/03/2018] [Accepted: 08/05/2018] [Indexed: 12/14/2022]
Abstract
The αvβ3 integrin has been shown to promote aggressive phenotypes in many types of cancers, including prostate cancer. We show that GFP-labeled αvβ3 derived from cancer cells circulates in the blood and is detected in distant lesions in NOD scid gamma (NSG) mice. We, therefore, hypothesized that αvβ3 travels through exosomes and tested its levels in pools of vesicles, which we designate extracellular vesicles highly enriched in exosomes (ExVs), and in exosomes isolated from the plasma of prostate cancer patients. Here, we show that the αvβ3 integrin is found in patient blood exosomes purified by sucrose or iodixanol density gradients. In addition, we provide evidence that the αvβ3 integrin is transferred through ExVs isolated from prostate cancer patient plasma to β3-negative recipient cells. We also demonstrate the intracellular localization of β3-GFP transferred via cancer cell-derived ExVs. We show that the ExVs present in plasma from prostate cancer patients contain higher levels of αvβ3 and CD9 as compared to plasma ExVs from age-matched subjects who are not affected by cancer. Furthermore, using PSMA antibody-bead mediated immunocapture, we show that the αvβ3 integrin is expressed in a subset of exosomes characterized by PSMA, CD9, CD63, and an epithelial-specific marker, Trop-2. Finally, we present evidence that the levels of αvβ3, CD63, and CD9 remain unaltered in ExVs isolated from the blood of prostate cancer patients treated with enzalutamide. Our results suggest that detecting exosomal αvβ3 integrin in prostate cancer patients could be a clinically useful and non-invasive biomarker to follow prostate cancer progression. Moreover, the ability of αvβ3 integrin to be transferred from ExVs to recipient cells provides a strong rationale for further investigating the role of αvβ3 integrin in the pathogenesis of prostate cancer and as a potential therapeutic target.
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40
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Levesque C, Nelson PS. Cellular Constituents of the Prostate Stroma: Key Contributors to Prostate Cancer Progression and Therapy Resistance. Cold Spring Harb Perspect Med 2018; 8:cshperspect.a030510. [PMID: 28490538 DOI: 10.1101/cshperspect.a030510] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Reciprocal signaling between prostate stroma and its epithelium are fundamental to organ development and homeostasis. Similarly, interactions between tumor cells and stromal constituents are central to key aspects of carcinogenesis and malignancy growth involving tumor cell invasion, dissemination, and growth in distant sites. The prostate stroma is complex with several distinct resident cell types, infiltrating nonresident cell types and an amalgam of structural matrix factors, matricellular proteins, metabolites, growth factors, and cytokines. Of importance, the stroma is dynamic with changes in composition as a cause or consequence of intrinsic and extrinsic factors. In the context of epithelial neoplasia, the prostate stroma undergoes phenotypic changes with a loss of well-differentiated smooth muscle cell population and the expansion of cancer-associated fibroblast populations. This reactive stroma further coevolves with tumor progression. Recent studies show the role of tumor microenvironment components in therapy resistance and highlight the importance of a thorough knowledge of cross talk between tumor cells and microenvironment niches to develop new therapeutic strategies.
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Affiliation(s)
- Christine Levesque
- Divisions of Human Biology and Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109
| | - Peter S Nelson
- Divisions of Human Biology and Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109
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Integrin αvβ6 Promotes Lung Cancer Proliferation and Metastasis through Upregulation of IL-8-Mediated MAPK/ERK Signaling. Transl Oncol 2018; 11:619-627. [PMID: 29573639 PMCID: PMC6002349 DOI: 10.1016/j.tranon.2018.02.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/16/2018] [Accepted: 02/16/2018] [Indexed: 12/12/2022] Open
Abstract
Lung cancer is notorious for high morbidity and mortality around the world. Interleukin (IL)-8, a proinflammatory chemokine with tumorigenic and proangiogenic effects, promotes lung cancer cells growth and migration and contributes to cell aggressive phenotypes. Integrin αvβ6 is a receptor of transmembrane heterodimeric cell surface adhesion, and its overexpression correlates with poor survival from non–small cell lung cancer. However, the cross talk between αvβ6 and IL-8 in lung cancer has not been characterized so far. Herein, human lung cancer samples were analyzed, and it revealed that the immunohistochemical and mRNA expression of integrin αvβ6 was significantly correlated with the expression of IL-8. Furthermore, in vitro, integrin αvβ6 increased cell proliferation, migration, and invasion by impairing the expressions of MMP-2 and MMP-9 and inhibited cell apoptosis in human lung cancer cells A549 and H460. In addition, integrin αvβ6 upregulated IL-8 expression through activating MAPK/ERK signaling. The in vivo experiment showed that integrin αvβ6 promoted tumor growth in xenograft model mice by accelerating tumor volume and reducing apoptosis. Meanwhile, lung metastasis model experiment suggested that integrin αvβ6 stimulated tumor metastasis with the increase of lung/total weight and tumor nodules. Simultaneously, integrin αvβ6 upregulated IL-8 expression detected by both Western blots and immunohistochemistry, along with the activation of MAPK/ERK signaling. Overall, these data suggested that, in vitro and in vivo, integrin αvβ6 promoted lung cancer proliferation and metastasis, at least in part, through upregulation of IL-8–mediated MAPK/ERK signaling. Thus, the inhibition of integrin αvβ6 and IL-8 may be the key for the treatment of lung cancer.
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42
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Lu H, Bowler N, Harshyne LA, Craig Hooper D, Krishn SR, Kurtoglu S, Fedele C, Liu Q, Tang HY, Kossenkov AV, Kelly WK, Wang K, Kean RB, Weinreb PH, Yu L, Dutta A, Fortina P, Ertel A, Stanczak M, Forsberg F, Gabrilovich DI, Speicher DW, Altieri DC, Languino LR. Exosomal αvβ6 integrin is required for monocyte M2 polarization in prostate cancer. Matrix Biol 2018. [PMID: 29530483 DOI: 10.1016/j.matbio.2018.03.009] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Therapeutic approaches aimed at curing prostate cancer are only partially successful given the occurrence of highly metastatic resistant phenotypes that frequently develop in response to therapies. Recently, we have described αvβ6, a surface receptor of the integrin family as a novel therapeutic target for prostate cancer; this epithelial-specific molecule is an ideal target since, unlike other integrins, it is found in different types of cancer but not in normal tissues. We describe a novel αvβ6-mediated signaling pathway that has profound effects on the microenvironment. We show that αvβ6 is transferred from cancer cells to monocytes, including β6-null monocytes, by exosomes and that monocytes from prostate cancer patients, but not from healthy volunteers, express αvβ6. Cancer cell exosomes, purified via density gradients, promote M2 polarization, whereas αvβ6 down-regulation in exosomes inhibits M2 polarization in recipient monocytes. Also, as evaluated by our proteomic analysis, αvβ6 down-regulation causes a significant increase in donor cancer cells, and their exosomes, of two molecules that have a tumor suppressive role, STAT1 and MX1/2. Finally, using the Ptenpc-/- prostate cancer mouse model, which carries a prostate epithelial-specific Pten deletion, we demonstrate that αvβ6 inhibition in vivo causes up-regulation of STAT1 in cancer cells. Our results provide evidence of a novel mechanism that regulates M2 polarization and prostate cancer progression through transfer of αvβ6 from cancer cells to monocytes through exosomes.
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Affiliation(s)
- Huimin Lu
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Nicholas Bowler
- Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Larry A Harshyne
- Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - D Craig Hooper
- Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Shiv Ram Krishn
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Senem Kurtoglu
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Carmine Fedele
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Qin Liu
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Molecular and Cellular Oncogenesis Program, Wistar Institute, Philadelphia, PA, USA
| | - Hsin-Yao Tang
- Center for Systems and Computational Biology, Wistar Institute, Philadelphia, PA, USA
| | - Andrew V Kossenkov
- Center for Systems and Computational Biology, Wistar Institute, Philadelphia, PA, USA
| | - William K Kelly
- Departments of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Kerith Wang
- Departments of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Rhonda B Kean
- Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | | | - Lei Yu
- Flow Cytometry Core Facility, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Anindita Dutta
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Paolo Fortina
- Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Cancer Genomics and Bioinformatics Laboratory, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Adam Ertel
- Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Cancer Genomics and Bioinformatics Laboratory, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Maria Stanczak
- Department of Radiology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Flemming Forsberg
- Department of Radiology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Dmitry I Gabrilovich
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Immunology, Microenvironment and Metastasis Program, Wistar Institute, Philadelphia, PA, USA
| | - David W Speicher
- Molecular and Cellular Oncogenesis Program, Wistar Institute, Philadelphia, PA, USA; Center for Systems and Computational Biology, Wistar Institute, Philadelphia, PA, USA
| | - Dario C Altieri
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Immunology, Microenvironment and Metastasis Program, Wistar Institute, Philadelphia, PA, USA
| | - Lucia R Languino
- Prostate Cancer Discovery and Development Program, Thomas Jefferson University, Philadelphia, Pennsylvania, USA; Department of Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
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43
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Juan-Rivera MC, Martínez-Ferrer M. Integrin Inhibitors in Prostate Cancer. Cancers (Basel) 2018; 10:cancers10020044. [PMID: 29415418 PMCID: PMC5836076 DOI: 10.3390/cancers10020044] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/12/2018] [Accepted: 01/19/2018] [Indexed: 01/20/2023] Open
Abstract
Prostate cancer (PCa) is the most frequently diagnosed cancer and the third highest cause of cancer-related deaths in men in the U.S. The development of chemotherapeutic agents that can bind PCa tumor cells with high specificity is critical in order to increase treatment effectiveness. Integrin receptors and their corresponding ligands have different expression patterns in PCa cells. They have been identified as promising targets to inhibit pathways involved in PCa progression. Currently, several compounds have proven to target specific integrins and their subunits in PCa cells. In this article, we review the role of integrins inhibitors in PCa and their potential as therapeutic targets for PCa treatments. We have discussed the following: natural compounds, monoclonal antibodies, statins, campothecins analog, aptamers, d-aminoacid, and snake venom. Recent studies have shown that their mechanisms of action result in decrease cell migration, cell invasion, cell proliferation, and metastasis of PCa cells.
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Affiliation(s)
- Maylein C Juan-Rivera
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Puerto Rico, Medical Sciences Campus, San Juan, PR 00936, USA.
- University of Puerto Rico Comprehensive Cancer Center, Medical Sciences Campus, San Juan, PR 00936, USA.
| | - Magaly Martínez-Ferrer
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Puerto Rico, Medical Sciences Campus, San Juan, PR 00936, USA.
- University of Puerto Rico Comprehensive Cancer Center, Medical Sciences Campus, San Juan, PR 00936, USA.
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44
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BKCa promotes growth and metastasis of prostate cancer through facilitating the coupling between αvβ3 integrin and FAK. Oncotarget 2018; 7:40174-40188. [PMID: 27233075 PMCID: PMC5130001 DOI: 10.18632/oncotarget.9559] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 05/05/2016] [Indexed: 12/16/2022] Open
Abstract
BKCa is a large conductance calcium activated potassium channel promoting prostate cancer cell proliferation, although the mechanism is not fully elucidated. In addition, whether BKCa is involved in metastasis of prostate cancer remains to be explored. Here, we report that BKCa is overexpressed in prostate cancer. BKCa expression positively correlates with Ki67 index and gleason score of prostate cancer. Upregulation of BKCa promoted proliferation, migration and invasion of prostate cancer cells. On the contrary, downregulation of BKCa inhibited growth and metastasis of prostate cancer cells both in vitro and in vivo. Moreover, the ion-conducting function of BKCa contributed moderately to prostate cancer proliferation and migration, although, this was not the primary mechanism. BKCa action was mainly mediated through forming a functional complex with αvβ3 integrin. The BKCa/αvβ3 integrin complex promoted FAK phosphorylation independent of the channel activity. Overexpression of BKCa enhanced its association with αvβ3 integrin and FAK which increased FAK phosphorylation. Conversely, disrupting the complex by downregulation of BKCa reduced FAK phosphorylation. Finally, blocking of αvβ3 integrin or p-FAK activity using LM609 or Y15 markedly abrogated BKCa-enhanced cell proliferation and migration. Taken together, these results suggest that targeting BKCa/αvβ3/FAK may inaugurate innovative approaches to inhibit prostate cancer growth and metastasis.
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Kubyshkin AV, Fomochkina II, Petrosyan AM. THE IMPACT OF ALCOHOL ON PRO-METASTATIC N-GLYCOSYLATION IN PROSTATE CANCER. KRIMSKII ZHURNAL EKSPERIMENTAL'NOI I KLINICHESKOI MEDITSINY = KRYMS'KYI ZHURNAL EKSPERYMENTAL'NOI TA KLINICHNOI MEDYTSYNY = CRIMEAN JOURNAL OF EXPERIMENTAL AND CLINICAL MEDICINE 2018; 8:11-20. [PMID: 31131224 PMCID: PMC6534161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Chronic alcohol abuse and alcoholism are considered risk factors for prostate cancer (PCa) progression, but the mechanism is unknown. Previously, we found that: (1) fragmentation of the Golgi complex correlates with the progression of PCa; (2) ethanol (EtOH) induces Golgi disorganization, which, in turn, alters intra-Golgi localization of some Golgi proteins. Also, progression of the prostate tumor is associated with activation of N-acetylglucosaminyltransferase-V (MGAT5)-mediated N-glycosylation of pro-metastatic proteins, including matriptase and integrins, followed by their enhanced retention at the cell surface. Here, using high-resolution microscopy, we found that alcohol effect on Golgi in low passage androgen-responsive LNCaP cells mimic the fragmented Golgi phenotype of androgen-refractory high passage LNCaP and PC-3 cells. Next, we detected that transition to androgen unresponsiveness is accompanied by downregulation of N-acetylglucosaminyltransferase-III (MGAT3), the enzyme that competes with MGAT5 for anti-metastatic N-glycan branching. Moreover, in low passage LNCaP cells, alcohol-induced Golgi fragmentation induced translocation of MGAT3 from the Golgi to the cytoplasm, while intra-Golgi localization of MGAT5 appeared unaffected. Then, the relationship between Golgi morphology, MGAT3 intracellular position, and clinicopathologic features was assessed in human PCa patient specimens with and without a history of alcohol dependence. We revealed that within the same clinical stage, the level of Golgi disorganization and the cytoplasmic shift of MGAT3 was more prominent in patients consuming alcohol. In vitro studies suggest that EtOH-induced downregulation of MGAT3 correlates with activation of MGAT5-mediated glycosylation and overexpression of both matriptase and integrins. In sum, we provide a novel insight into the alcohol-mediated tumor promotion.
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Affiliation(s)
- A V Kubyshkin
- Medical Academy named after S.I. Georgievsky, V.I. Vernadsky Crimean Federal University, Lenin Avenue 5/7, Simferopol, Russia; 295051
| | - I I Fomochkina
- Medical Academy named after S.I. Georgievsky, V.I. Vernadsky Crimean Federal University, Lenin Avenue 5/7, Simferopol, Russia; 295051
| | - A M Petrosyan
- University of Nebraska Medical Center, 985870 Nebraska Medical Center, Omaha, NE, USA; 68198-5870
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Erdogan B, Ao M, White LM, Means AL, Brewer BM, Yang L, Washington MK, Shi C, Franco OE, Weaver AM, Hayward SW, Li D, Webb DJ. Cancer-associated fibroblasts promote directional cancer cell migration by aligning fibronectin. J Cell Biol 2017; 216:3799-3816. [PMID: 29021221 PMCID: PMC5674895 DOI: 10.1083/jcb.201704053] [Citation(s) in RCA: 356] [Impact Index Per Article: 50.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 08/31/2017] [Accepted: 09/25/2017] [Indexed: 02/08/2023] Open
Abstract
Cancer-associated fibroblasts (CAFs) are major components of the carcinoma microenvironment that promote tumor progression. However, the mechanisms by which CAFs regulate cancer cell migration are poorly understood. In this study, we show that fibronectin (Fn) assembled by CAFs mediates CAF-cancer cell association and directional migration. Compared with normal fibroblasts, CAFs produce an Fn-rich extracellular matrix with anisotropic fiber orientation, which guides the cancer cells to migrate directionally. CAFs align the Fn matrix by increasing nonmuscle myosin II- and platelet-derived growth factor receptor α-mediated contractility and traction forces, which are transduced to Fn through α5β1 integrin. We further show that prostate cancer cells use αv integrin to migrate efficiently and directionally on CAF-derived matrices. We demonstrate that aligned Fn is a prominent feature of invasion sites in human prostatic and pancreatic carcinoma samples. Collectively, we present a new mechanism by which CAFs organize the Fn matrix and promote directional cancer cell migration.
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Affiliation(s)
- Begum Erdogan
- Department of Biological Sciences, Vanderbilt University, Nashville, TN
| | - Mingfang Ao
- Department of Biological Sciences, Vanderbilt University, Nashville, TN
| | - Lauren M White
- Department of Biological Sciences, Vanderbilt University, Nashville, TN
| | - Anna L Means
- Department of Surgery, Vanderbilt University, Nashville, TN
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN
| | - Bryson M Brewer
- Department of Mechanical Engineering, Vanderbilt University, Nashville, TN
| | - Lijie Yang
- Department of Mechanical Engineering, Vanderbilt University, Nashville, TN
| | - M Kay Washington
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, TN
| | - Chanjuan Shi
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, TN
| | - Omar E Franco
- Department of Urologic Surgery, Vanderbilt University, Nashville, TN
- Department of Surgery, NorthShore University HealthSystem, Evanston, IL
| | - Alissa M Weaver
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, TN
- Department of Cancer Biology, Vanderbilt University, Nashville, TN
| | - Simon W Hayward
- Department of Urologic Surgery, Vanderbilt University, Nashville, TN
- Department of Cancer Biology, Vanderbilt University, Nashville, TN
- Department of Surgery, NorthShore University HealthSystem, Evanston, IL
| | - Deyu Li
- Department of Mechanical Engineering, Vanderbilt University, Nashville, TN
| | - Donna J Webb
- Department of Biological Sciences, Vanderbilt University, Nashville, TN
- Department of Cancer Biology, Vanderbilt University, Nashville, TN
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Cao Z, Livas T, Kyprianou N. Anoikis and EMT: Lethal "Liaisons" during Cancer Progression. Crit Rev Oncog 2017; 21:155-168. [PMID: 27915969 DOI: 10.1615/critrevoncog.2016016955] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Anoikis is a unique mode of apoptotic cell death that occurs consequentially to insufficient cell-matrix interactions. Resistance to anoikis is a critical contributor to tumor invasion and metastasis. The phenomenon is regulated by integrins, which upon engagement with components of the extracellular matrix (ECM) form adhesion complexes and the actin cytoskeleton drives the formation of cell protrusions used to adhere to ECM, directing cell migration. The epithelial-mesenchymal transition (EMT) confers stem cell properties and leads to acquisition of a migratory and invasive phenotype by causing adherens junction breakdown and circumventing anoikis in the tumor microenvironment. The investigation of drug discovery platforms for apoptosis-driven therapeutics identified several novel agents with antitumor action via reversing resistance to anoikis, inhibiting survival pathways and impacting the EMT landscape in human cancer. In this review, we discuss current evidence on the contribution of the anoikis phenomenon functionally linked to EMT to cancer metastasis and the therapeutic value of antitumor drugs that selectively reverse anoikis resistance and/or EMT to impair tumor progression toward the development/optimization of apoptosis-driven therapeutic targeting of metastatic disease.
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Affiliation(s)
- Zheng Cao
- Department of Urology, Molecular Biochemistry, Pathology, Toxicology & Cancer Biology, Markey Cancer Center, University of Kentucky, Lexington, KY, U.S.A
| | - Theodore Livas
- Department of Urology, Molecular Biochemistry, Pathology, Toxicology & Cancer Biology, Markey Cancer Center, University of Kentucky, Lexington, KY, U.S.A
| | - Natasha Kyprianou
- Department of Urology, Molecular Biochemistry, Pathology, Toxicology & Cancer Biology, Markey Cancer Center, University of Kentucky, Lexington, KY, U.S.A
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48
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Konac E, Kiliccioglu I, Sogutdelen E, Dikmen AU, Albayrak G, Bilen CY. Do the expressions of epithelial-mesenchymal transition proteins, periostin, integrin-α4 and fibronectin correlate with clinico-pathological features and prognosis of metastatic castration-resistant prostate cancer? Exp Biol Med (Maywood) 2017; 242:1795-1801. [PMID: 28836852 DOI: 10.1177/1535370217728499] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Development of metastatic castration-resistant prostate cancer is a result of the lack of an apoptotic response by the tumor cells and loss of the ability to stick to adjacent cells through epithelial-mesenchymal transition. Although there are several strongly recommended biomarkers for determining prognosis of metastatic castration-resistant prostate cancer, only few of them may help decide the selection of the optimal treatment option. The mode of treatment sequencing in metastatic castration-resistant prostate cancer will be based on the individual characteristics of the patient. In this study, we aimed to explain the correlation between the expression characteristics of periostin, integrin-α4, and fibronectin in metastatic castration-resistant prostate cancer patients and their clinico-pathological data comprising Gleason score, PSA levels, and metastatic sites in the process of epithelial-mesenchymal transition. We evaluated by using Western blotting, periostin, integrin-α4, and fibronectin expressions in peripheral blood samples of metastatic castration-resistant prostate cancer patients ( n = 40), benign prostatic hyperplasia patients ( n = 20), and the healthy control group ( n = 20). Associations between changes in the protein expressions and clinico-pathological parameters were also analyzed in the metastatic castration-resistant prostate cancer group. When comparing BPH and healthy groups with the metastatic castration-resistant prostate cancer group, a reduced expression of integrin-α4 was found in metastatic patients, albeit being statistically insignificant ( P > 0.05). Protein expressions of periostin and fibronectin in the metastatic castration-resistant prostate cancer group were higher than those in the BPH and heathy groups ( P < 0.001). Increased periostin expression in metastatic patients was significantly associated with bone metastasis ( P < 0.05). Elevated periostin and fibronectin levels in metastatic castration-resistant prostate cancer patients may be appropriate targets of therapeutic intervention in the future. Impact statement Prostate cancer is the third most common cancer in the world and the most common cancer among men. Development of metastatic castration-resistant prostate cancer (mCRPC) is a result of the lack of an apoptotic response by the tumor cells and loss of the ability to stick to adjacent cells through epithelial-mesenchymal transition (EMT). The present study analyzes for the first time the expressions of EMT marker proteins - periostin, integrin α4, fibronectin - in mCRPC and in benign prostatic hyperplasia (BPH) with the aim to determine the clinical relevance of changes in these three proteins vis-a-vis the PCa aggressive phenotype. In doing so, it sheds light on the molecular mechanism underlying the disease. We concluded that elevated periostin and fibronectin levels in mCRPC patients may be appropriate targets of therapeutic intervention in the future; hence, adopting methods that target these proteins may help treat prostate cancer effectively.
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Affiliation(s)
- Ece Konac
- 1 Department of Medical Biology and Genetics, Faculty of Medicine, Gazi University, Besevler, Ankara 06510, Turkey
| | - Ilker Kiliccioglu
- 1 Department of Medical Biology and Genetics, Faculty of Medicine, Gazi University, Besevler, Ankara 06510, Turkey
| | - Emrullah Sogutdelen
- 2 Department of Urology, Faculty of Medicine, Hacettepe University, Sıhhiye, Ankara 06100, Turkey
| | - Asiye U Dikmen
- 3 Department of Public Health, Faculty of Medicine, Gazi University, Besevler, Ankara 06510, Turkey
| | - Gulsah Albayrak
- 1 Department of Medical Biology and Genetics, Faculty of Medicine, Gazi University, Besevler, Ankara 06510, Turkey
| | - Cenk Y Bilen
- 2 Department of Urology, Faculty of Medicine, Hacettepe University, Sıhhiye, Ankara 06100, Turkey
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49
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Role of Forkhead Box Class O proteins in cancer progression and metastasis. Semin Cancer Biol 2017; 50:142-151. [PMID: 28774834 DOI: 10.1016/j.semcancer.2017.07.007] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 07/24/2017] [Accepted: 07/30/2017] [Indexed: 01/10/2023]
Abstract
It is now widely accepted that several gene alterations including transcription factors are critically involved in cancer progression and metastasis. Forkhead Box Class O proteins (FoxOs) including FoxO1/FKHR, FoxO3/FKHRL1, FoxO4/AFX and FoxO6 transcription factors are known to play key roles in proliferation, apoptosis, metastasis, cell metabolism, aging and cancer biology through their phosphorylation, ubiquitination, acetylation and methylation. Though FoxOs are proved to be mainly regulated by upstream phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3 K)/Akt signaling pathway, the role of FoxOs in cancer progression and metastasis still remains unclear so far. Thus, with previous experimental evidences, the present review discussed the role of FoxOs in association with metastasis related molecules including cannabinoid receptor 1 (CNR1), Cdc25A/Cdk2, Src, serum and glucocorticoid inducible kinases (SGKs), CXCR4, E-cadherin, annexin A8 (ANXA8), Zinc finger E-box-binding homeobox 2 (ZEB2), human epidermal growth factor receptor 2 (HER2) and mRNAs such as miR-182, miR-135b, miR-499-5p, miR-1274a, miR-150, miR-34b/c and miR-622, subsequently analyzed the molecular mechanism of some natural compounds targeting FoxOs and finally suggested future research directions in cancer progression and metastasis.
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50
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Sharma A, Mendonca J, Ying J, Kim H, Verdone JE, Zarif JC, Carducci M, Hammers H, Pienta KJ, Kachhap S. The prostate metastasis suppressor gene NDRG1 differentially regulates cell motility and invasion. Mol Oncol 2017; 11:655-669. [PMID: 28371345 PMCID: PMC5467496 DOI: 10.1002/1878-0261.12059] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 03/20/2017] [Accepted: 03/21/2017] [Indexed: 12/12/2022] Open
Abstract
Experimental and clinical evidence suggests that N-myc downregulated gene 1 (NDRG1) functions as a suppressor of prostate cancer metastasis. Elucidating pathways that drive survival and invasiveness of NDRG1-deficient prostate cancer cells can help in designing therapeutics to target metastatic prostate cancer cells. However, the molecular mechanisms that lead NDRG1-deficient prostate cancer cells to increased invasiveness remain largely unknown. In this study, we demonstrate that NDRG1-deficient prostate tumors have decreased integrin expression and reduced cell adhesion and motility. Our data indicate that loss of NDRG1 differentially affects Rho GTPases. Specifically, there is a downregulation of active RhoA and Rac1 GTPases with a concomitant upregulation of active Cdc42 in NDRG1-deficient cells. Live cell imaging using a fluorescent sensor that binds to polymerized actin revealed that NDRG1-deficient cells have restricted actin dynamics, thereby affecting cell migration. These cellular and molecular characteristics are in sharp contrast to what is expected after loss of a metastasis suppressor. We further demonstrate that NDRG1-deficient cells have increased resistance to anoikis and increased invasiveness which is independent of its elevated Cdc42 activity. Furthermore, NDRG1 regulates expression and glycosylation of EMMPRIN, a master regulator of matrix metalloproteases. NDRG1 deficiency leads to an increase in EMMPRIN expression with a concomitant increase in matrix metalloproteases and thus invadopodial activity. Using a three-dimensional invasion assay and an in vivo metastasis assay for human prostate xenografts, we demonstrate that NDRG1-deficient prostate cancer cells exhibit a collective invasion phenotype and are highly invasive. Thus, our findings provide novel insights suggesting that loss of NDRG1 leads to a decrease in actin-mediated cellular motility but an increase in cellular invasion, resulting in increased tumor dissemination which positively impacts metastatic outcome.
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Affiliation(s)
- Anup Sharma
- Prostate Cancer ProgramDepartment of OncologyThe Sidney Kimmel Comprehensive Cancer CenterJohns Hopkins Medical InstitutionsBaltimoreMDUSA
| | - Janet Mendonca
- Prostate Cancer ProgramDepartment of OncologyThe Sidney Kimmel Comprehensive Cancer CenterJohns Hopkins Medical InstitutionsBaltimoreMDUSA
| | - James Ying
- Prostate Cancer ProgramDepartment of OncologyThe Sidney Kimmel Comprehensive Cancer CenterJohns Hopkins Medical InstitutionsBaltimoreMDUSA
| | - Hea‐Soo Kim
- Prostate Cancer ProgramDepartment of OncologyThe Sidney Kimmel Comprehensive Cancer CenterJohns Hopkins Medical InstitutionsBaltimoreMDUSA
| | - James E. Verdone
- Department of UrologyThe James Buchanan Brady Urological InstituteThe Johns Hopkins UniversityBaltimoreMDUSA
| | - Jelani C. Zarif
- Department of UrologyThe James Buchanan Brady Urological InstituteThe Johns Hopkins UniversityBaltimoreMDUSA
| | - Michael Carducci
- Prostate Cancer ProgramDepartment of OncologyThe Sidney Kimmel Comprehensive Cancer CenterJohns Hopkins Medical InstitutionsBaltimoreMDUSA
| | - Hans Hammers
- Prostate Cancer ProgramDepartment of OncologyThe Sidney Kimmel Comprehensive Cancer CenterJohns Hopkins Medical InstitutionsBaltimoreMDUSA
| | - Kenneth J. Pienta
- Department of UrologyThe James Buchanan Brady Urological InstituteThe Johns Hopkins UniversityBaltimoreMDUSA
| | - Sushant Kachhap
- Prostate Cancer ProgramDepartment of OncologyThe Sidney Kimmel Comprehensive Cancer CenterJohns Hopkins Medical InstitutionsBaltimoreMDUSA
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