1
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Lin A, Li J, He W. CircSLC4A7 in resistant-cells-derived exosomes promotes docetaxel resistance via the miR-1205/MAPT axis in prostate cancer. IUBMB Life 2024. [PMID: 39266461 DOI: 10.1002/iub.2915] [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: 07/08/2024] [Accepted: 08/06/2024] [Indexed: 09/14/2024]
Abstract
Prostate cancer (PCa) is a high-mortality cancer. Docetaxel (DCT) combined with second-generation anti-androgens is considered the golden standard therapy for PCa, whose application is limited for DCT resistance (DR). Therefore, exploring the mechanism of DR is of great importance. In this study, PCa cell lines of PC3 and DU145 were employed, and DR cells were constructed by treatment with graded DCT. CircSLC4A7, miR-1205, and microtubule-associated protein tau (MAPT) transfections were established. Cell counting kit-8 assay was performed to evaluate the cell activity and IC50 of DCT. After being treated with DCT, DR was assessed by colony formation assay, flow cytometry analysis, and terminal transferase-mediated UTP nick end-labeling assay. Real-time quantitative PCR and western blotting analysis evaluated the expression levels of genes. The dual-luciferase reporter gene assay verified the miR-1205 binding sites with circSLC4A7 and MAPT. An animal experiment was performed to assess the tumor growth influenced by circSLC4A7. After conducting DR cells and isolated exosomes, we found that not only co-culture with DR cells but also treatment with DR cells' exosomes would promote the DR of normal cells. Moreover, circSLC4A7 was highly expressed in DR cells and their exosomes. CircSLC4A7 overexpression enhanced DR, represented as raised IC50 of DCT, increased colony formation, and decreased cell apoptosis after DCT treatment, while circSLC4A7 knockdown had the opposite effect. MiR-1205 was confirmed as a circSLC4A7-sponged miRNA and miR-1205 inhibitor reversed the effect of sh-circSLC4A7. MAPT was further identified as a target of miR-1205 and had a similar effect with circSLC4A7. The effect of circSLC4A7 on DR was also confirmed by xenograft experiments. Collectively, circSLC4A7 in resistant-cells-derived exosomes promotes DCT resistance of PCa via miR-1205/MAPT axis, which may provide a new treatment strategy for DR of PCa.
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Affiliation(s)
- Anhua Lin
- Department of Endocrinology, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Junhe Li
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wenjing He
- Department of Endocrinology, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
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2
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Vicari HP, Gomes RDC, Lima K, Rossini NDO, Rodrigues Junior MT, de Miranda LBL, Dias MVB, Costa-Lotufo LV, Coelho F, Machado-Neto JA. Cyclopenta[b]indoles as novel antimicrotubule agents with antileukemia activity. Toxicol In Vitro 2024; 99:105856. [PMID: 38821378 DOI: 10.1016/j.tiv.2024.105856] [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: 04/02/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Acute leukemias present therapeutic challenges despite advances in treatments. Microtubule inhibitors have played a pivotal role in cancer therapy, inspiring exploration into novel compounds like C2E1 from the cyclopenta[b]indole class. In the present study, we investigated C2E1's potential as a therapeutic agent for acute leukemia at molecular, cellular, and genetic levels. C2E1 demonstrated tubulin depolarization activity, significantly reducing leukemia cell viability. Its impact involved multifaceted mechanisms: inducing apoptosis, arrest of cell cycle progression, and inhibition of clonogenicity and migration in leukemia cells. At a molecular level, C2E1 triggered DNA damage, antiproliferative, and apoptosis markers and altered gene expression related to cytoskeletal regulation, disrupting essential cellular processes crucial for leukemia cell survival and proliferation. These findings highlight C2E1's promise as a potential candidate for novel anti-cancer therapies. Notably, its distinct mode of action from conventional microtubule-targeting drugs suggests the potential to bypass common resistance mechanisms encountered with existing treatments. In summary, C2E1 emerges as a compelling compound with diverse effects on leukemia cells, showcasing promising antineoplastic properties. Its ability to disrupt critical cellular functions selective to leukemia cells positions it as a candidate for future therapeutic development.
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Affiliation(s)
- Hugo Passos Vicari
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Ralph da Costa Gomes
- Department of Organic Chemistry, Institute of Chemistry, State University of Campinas, Campinas, São Paulo, Brazil
| | - Keli Lima
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil; Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Onco-Immuno-Hematology (LIM-31), Department of Internal Medicine, Hematology Division, Faculdade de Medicina, University of São Paulo, São Paulo, Brazil
| | | | | | | | | | - Leticia Veras Costa-Lotufo
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Fernando Coelho
- Department of Organic Chemistry, Institute of Chemistry, State University of Campinas, Campinas, São Paulo, Brazil.
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3
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Uo T, Ojo KK, Sprenger CC, Soriano Epilepsia K, Perera BGK, Damodarasamy M, Sun S, Kim S, Hogan HH, Hulverson MA, Choi R, Whitman GR, Barrett LK, Michaels SA, Xu LH, Sun VL, Arnold SL, Pang HJ, Nguyen MM, Vigil ALB, Kamat V, Sullivan LB, Sweet IR, Vidadala R, Maly DJ, Van Voorhis WC, Plymate SR. A Compound That Inhibits Glycolysis in Prostate Cancer Controls Growth of Advanced Prostate Cancer. Mol Cancer Ther 2024; 23:973-994. [PMID: 38507737 PMCID: PMC11219269 DOI: 10.1158/1535-7163.mct-23-0540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/19/2023] [Accepted: 03/18/2024] [Indexed: 03/22/2024]
Abstract
Metastatic castration-resistant prostate cancer remains incurable regardless of recent therapeutic advances. Prostate cancer tumors display highly glycolytic phenotypes as the cancer progresses. Nonspecific inhibitors of glycolysis have not been utilized successfully for chemotherapy, because of their penchant to cause systemic toxicity. This study reports the preclinical activity, safety, and pharmacokinetics of a novel small-molecule preclinical candidate, BKIDC-1553, with antiglycolytic activity. We tested a large battery of prostate cancer cell lines for inhibition of cell proliferation, in vitro. Cell-cycle, metabolic, and enzymatic assays were used to demonstrate their mechanism of action. A human patient-derived xenograft model implanted in mice and a human organoid were studied for sensitivity to our BKIDC preclinical candidate. A battery of pharmacokinetic experiments, absorption, distribution, metabolism, and excretion experiments, and in vitro and in vivo toxicology experiments were carried out to assess readiness for clinical trials. We demonstrate a new class of small-molecule inhibitors where antiglycolytic activity in prostate cancer cell lines is mediated through inhibition of hexokinase 2. These compounds display selective growth inhibition across multiple prostate cancer models. We describe a lead BKIDC-1553 that demonstrates promising activity in a preclinical xenograft model of advanced prostate cancer, equivalent to that of enzalutamide. BKIDC-1553 demonstrates safety and pharmacologic properties consistent with a compound that can be taken into human studies with expectations of a good safety margin and predicted dosing for efficacy. This work supports testing BKIDC-1553 and its derivatives in clinical trials for patients with advanced prostate cancer.
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Affiliation(s)
- Takuma Uo
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Kayode K. Ojo
- Department of Medicine, Division of Allergy and Infectious Disease, Center for Emerging and Reemerging Infectious Disease (CERID), University of Washington; Seattle, Washington 98109, USA
| | - Cynthia C.T. Sprenger
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Kathryn Soriano Epilepsia
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - B. Gayani K. Perera
- Department of Chemistry, University of Washington; Seattle, Washington 98195, USA
| | - Mamatha Damodarasamy
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Shihua Sun
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Soojin Kim
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Hannah H. Hogan
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Matthew A. Hulverson
- Department of Medicine, Division of Allergy and Infectious Disease, Center for Emerging and Reemerging Infectious Disease (CERID), University of Washington; Seattle, Washington 98109, USA
| | - Ryan Choi
- Department of Medicine, Division of Allergy and Infectious Disease, Center for Emerging and Reemerging Infectious Disease (CERID), University of Washington; Seattle, Washington 98109, USA
| | - Grant R. Whitman
- Department of Medicine, Division of Allergy and Infectious Disease, Center for Emerging and Reemerging Infectious Disease (CERID), University of Washington; Seattle, Washington 98109, USA
| | - Lynn K. Barrett
- Department of Medicine, Division of Allergy and Infectious Disease, Center for Emerging and Reemerging Infectious Disease (CERID), University of Washington; Seattle, Washington 98109, USA
| | - Samantha A. Michaels
- Department of Medicine, Division of Allergy and Infectious Disease, Center for Emerging and Reemerging Infectious Disease (CERID), University of Washington; Seattle, Washington 98109, USA
| | - Linda H. Xu
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Vicky L. Sun
- Department of Pharmaceutics, University of Washington; Seattle, Washington 98195, USA
| | - Samuel L.M. Arnold
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
- Department of Pharmaceutics, University of Washington; Seattle, Washington 98195, USA
| | - Haley J. Pang
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Matthew M. Nguyen
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
| | - Anna-Lena B.G. Vigil
- Human Biology Division, Fred Hutchinson Cancer Center; Seattle, Washington 98109, USA
| | - Varun Kamat
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, Diabetes Center, University of Washington; Seattle, Washington 98109, USA
| | - Lucas B. Sullivan
- Human Biology Division, Fred Hutchinson Cancer Center; Seattle, Washington 98109, USA
- Department of Biochemistry, University of Washington; Seattle, Washington 98195, USA
| | - Ian R. Sweet
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, Diabetes Center, University of Washington; Seattle, Washington 98109, USA
| | - Ram Vidadala
- Department of Chemistry, University of Washington; Seattle, Washington 98195, USA
| | - Dustin J. Maly
- Department of Chemistry, University of Washington; Seattle, Washington 98195, USA
| | - Wesley C. Van Voorhis
- Department of Medicine, Division of Allergy and Infectious Disease, Center for Emerging and Reemerging Infectious Disease (CERID), University of Washington; Seattle, Washington 98109, USA
| | - Stephen R. Plymate
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington; Seattle, Washington 98109, USA
- Geriatrics Research Education and Clinical Center, VA Puget Sound Health Care System; Seattle, Washington 98108, USA
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4
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Kulasegaran T, Oliveira N. Metastatic Castration-Resistant Prostate Cancer: Advances in Treatment and Symptom Management. Curr Treat Options Oncol 2024; 25:914-931. [PMID: 38913213 PMCID: PMC11236885 DOI: 10.1007/s11864-024-01215-2] [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] [Accepted: 05/06/2024] [Indexed: 06/25/2024]
Abstract
OPINION STATEMENT The management of metastatic castrate-resistant prostate cancer (mCRPC) has evolved in the past decade due to substantial advances in understanding the genomic landscape and biology underpinning this form of prostate cancer. The implementation of various therapeutic agents has improved overall survival but despite the promising advances in therapeutic options, mCRPC remains incurable. The focus of treatment should be not only to improve survival but also to preserve the patient's quality of life (QoL) and ameliorate cancer-related symptoms such as pain. The choice and sequence of therapy for mCRPC patients are complex and influenced by various factors, such as side effects, disease burden, treatment history, comorbidities, patient preference and, more recently, the presence of actionable genomic alterations or biomarkers. Docetaxel is the first-line treatment for chemo-naïve patients with good performance status and those who have yet to progress on docetaxel in the castration-sensitive setting. Novel androgen agents (NHAs), such as abiraterone and enzalutamide, are effective treatment options that are utilized as second-line options. These medications can be considered upfront in frail patients or patients who are NHA naïve. Current guidelines recommend genetic testing in mCRPC for mutations in DNA repair deficiency genes to inform treatment decisions, as for example in breast cancer gene mutation testing. Other potential biomarkers being investigated include phosphatase and tensin homologues and homologous recombination repair genes. Despite a growing number of studies incorporating biomarkers in their trial designs, to date, only olaparib in the PROFOUND study and lutetium-177 in the VISION trial have improved survival. This is an unmet need, and future trials should focus on biomarker-guided treatment strategies. The advent of novel noncytotoxic agents has enhanced targeted drug delivery and improved treatment responses with favourable toxicity profiling. Trials should continue to incorporate and report health-related QoL scores and functional assessments into their trial designs.
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Affiliation(s)
- Tivya Kulasegaran
- Mater Hospital Brisbane, Cancer Centre, Raymond Terrace, South Brisbane, QLD, 4104, Australia.
- School of Clinical Medicine, Mater Clinical Unit, The University of Queensland, Brisbane, Queensland, Australia, Raymond Terrace, South Brisbane, QLD, 4101, Australia.
| | - Niara Oliveira
- Mater Hospital Brisbane, Cancer Centre, Raymond Terrace, South Brisbane, QLD, 4104, Australia
- School of Clinical Medicine, Mater Clinical Unit, The University of Queensland, Brisbane, Queensland, Australia, Raymond Terrace, South Brisbane, QLD, 4101, Australia
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5
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Song WH, Lim YS, Kim JE, Kang HY, Lee C, Rajbongshi L, Hwang SY, Oh SO, Kim BS, Lee D, Song YJ, Yoon S. A Marine Collagen-Based 3D Scaffold for In Vitro Modeling of Human Prostate Cancer Niche and Anti-Cancer Therapeutic Discovery. Mar Drugs 2024; 22:295. [PMID: 39057404 PMCID: PMC11277582 DOI: 10.3390/md22070295] [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: 05/31/2024] [Revised: 06/25/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024] Open
Abstract
Recently, the need to develop a robust three-dimensional (3D) cell culture system that serves as a valuable in vitro tumor model has been emphasized. This system should closely mimic the tumor growth behaviors observed in vivo and replicate the key elements and characteristics of human tumors for the effective discovery and development of anti-tumor therapeutics. Therefore, in this study, we developed an effective 3D in vitro model of human prostate cancer (PC) using a marine collagen-based biomimetic 3D scaffold. The model displayed distinctive molecular profiles and cellular properties compared with those of the 2D PC cell culture. This was evidenced by (1) increased cell proliferation, migration, invasion, colony formation, and chemoresistance; (2) upregulated expression of crucial multidrug-resistance- and cancer-stemness-related genes; (3) heightened expression of key molecules associated with malignant progressions, such as epithelial-mesenchymal transition transcription factors, Notch, matrix metalloproteinases, and pluripotency biomarkers; (4) robust enrichment of prostate cancer stem cells (CSCs); and (5) enhanced expression of integrins. These results suggest that our 3D in vitro PC model has the potential to serve as a research platform for studying PC and prostate CSC biology, as well as for screening novel therapies targeting PC and prostate CSCs.
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Affiliation(s)
- Won Hoon Song
- Department of Urology, Pusan National University Yangsan Hospital and Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea;
| | - Ye Seon Lim
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea;
| | - Ji-Eun Kim
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea;
| | - Hae Yeong Kang
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
| | - Changyong Lee
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea;
| | - Lata Rajbongshi
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea;
| | - Seon Yeong Hwang
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
| | - Sae-Ock Oh
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
| | - Byoung Soo Kim
- School of Biomedical Convergence Engineering, Pusan National University, Yangsan 50612, Republic of Korea;
| | - Dongjun Lee
- Department of Convergence Medicine, Pusan National University College of Medicine, Yangsan 50612, Republic of Korea;
| | - Yong Jung Song
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea;
- Department of Obstetrics and Gynecology, Pusan National University Yangsan Hospital and Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea
| | - Sik Yoon
- Department of Anatomy and Convergence Medical Sciences, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea; (Y.S.L.); (J.-E.K.); (H.Y.K.); (C.L.); (L.R.); (S.Y.H.); (S.-O.O.)
- Immune Reconstitution Research Center of Medical Research Institute, Pusan National University College of Medicine, Yangsan 626-870, Republic of Korea;
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Schatz CA, Zitzmann-Kolbe S, Moen I, Klotz M, Nair S, Stargard S, Bjerke RM, Wickstrøm Biseth K, Feng YZ, Indrevoll B, Cruciani V, Karlsson J, Haendler B, Nielsen CH, Alfsen MZ, Hammer S, Hennekes H, Cuthbertson A, Hagemann UB, Larsen Å. Preclinical Efficacy of a PSMA-Targeted Actinium-225 Conjugate (225Ac-Macropa-Pelgifatamab): A Targeted Alpha Therapy for Prostate Cancer. Clin Cancer Res 2024; 30:2531-2544. [PMID: 38593212 DOI: 10.1158/1078-0432.ccr-23-3746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/07/2024] [Accepted: 04/03/2024] [Indexed: 04/11/2024]
Abstract
PURPOSE Initially, prostate cancer responds to hormone therapy, but eventually resistance develops. Beta emitter-based prostate-specific membrane antigen (PSMA)-targeted radionuclide therapy is approved for the treatment of metastatic castration-resistant prostate cancer. Here we introduce a targeted alpha therapy (TAT) consisting of the PSMA antibody pelgifatamab covalently linked to a macropa chelator and labeled with actinium-225 and compare its efficacy and tolerability with other TATs. EXPERIMENTAL DESIGN The in vitro characteristics and in vivo biodistribution, antitumor efficacy, and tolerability of 225Ac-macropa-pelgifatamab (225Ac-pelgi) and other TATs were investigated in cell line- and patient-derived prostate cancer xenograft models. The antitumor efficacy of 225Ac-pelgi was also investigated in combination with the androgen receptor inhibitor darolutamide. RESULTS Actinium-225-labeling of 225Ac-pelgi was efficient already at room temperature. Potent in vitro cytotoxicity was seen in PSMA-expressing (LNCaP, MDA-PCa-2b, and C4-2) but not in PSMA-negative (PC-3 and DU-145) cell lines. High tumor accumulation was seen for both 225Ac-pelgi and 225Ac-DOTA-pelgi in the MDA-PCa-2b xenograft model. In the C4-2 xenograft model, 225Ac-pelgi showed enhanced antitumor efficacy with a T/Cvolume (treatment/control) ratio of 0.10 compared with 225Ac-DOTA-pelgi, 225Ac-DOTA-J591, and 227Th-HOPO-pelgifatamab (227Th-pelgi; all at 300 kBq/kg) with T/Cvolume ratios of 0.37, 0.39, and 0.33, respectively. 225Ac-pelgi was less myelosuppressive than 227Th-pelgi. 225Ac-pelgi showed dose-dependent treatment efficacy in the patient-derived KuCaP-1 model and strong combination potential with darolutamide in both cell line- (22Rv1) and patient-derived (ST1273) xenograft models. CONCLUSIONS These results provide a strong rationale to investigate 225Ac-pelgi in patients with prostate cancer. A clinical phase I study has been initiated (NCT06052306).
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7
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Bhattacharya S, Stillahn A, Smith K, Muders M, Datta K, Dutta S. Understanding the molecular regulators of neuroendocrine prostate cancer. Adv Cancer Res 2024; 161:403-429. [PMID: 39032955 DOI: 10.1016/bs.acr.2024.04.006] [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] [Indexed: 07/23/2024]
Abstract
Worldwide, prostate cancer (PCa) remains a leading cause of death in men. Histologically, the majority of PCa cases are classified as adenocarcinomas, which are mainly composed of androgen receptor-positive luminal cells. PCa is initially driven by the androgen receptor axis, where androgen-mediated activation of the receptor is one of the primary culprits for disease progression. Therefore, in advanced stage PCa, patients are generally treated with androgen deprivation therapies alone or in combination with androgen receptor pathway inhibitors. However, after an initial decrease, the cancer recurs for majority patients. At this stage, cancer is known as castration-resistant prostate cancer (CRPC). Majority of CRPC tumors still depend on androgen receptor axis for its progression to metastasis. However, in around 20-30% of cases, CRPC progresses via an androgen receptor-independent pathway and is often presented as neuroendocrine cancer (NE). This NE phenotype is highly aggressive with poor overall survival as compared to CRPC adenocarcinoma. NE cancers are resistant to standard taxane chemotherapies, which are often used to treat metastatic disease. Pathologically and morphologically, NE cancers are highly diverse and often co-exist with adenocarcinoma. Due to the lack of proper biomarkers, it is often difficult to make an early diagnosis of this lethal disease. Moreover, increased tumor heterogeneity and admixtures of adeno and NE subtypes in the same tumor make early detection of NE tumors very difficult. With the advancement of our knowledge and sequencing technology, we are now able to better understand the molecular mediators of this transformation pathway. This current study will give an update on how various molecular regulators are involved in these lineage transformation processes and what challenges we are still facing to detect and treat this cancer.
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Affiliation(s)
- Sreyashi Bhattacharya
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, United States; Department of Biochemistry and Molecular Biology, Massy Cancer Center, Virginia Commonwealth University, Richmond, VA, United States
| | - Avery Stillahn
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, United States
| | - Kaitlin Smith
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, United States
| | | | - Kaustubh Datta
- Department of Biochemistry and Molecular Biology, Massy Cancer Center, Virginia Commonwealth University, Richmond, VA, United States
| | - Samikshan Dutta
- Department of Biochemistry and Molecular Biology, Massy Cancer Center, Virginia Commonwealth University, Richmond, VA, United States.
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8
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Lopez-Bujanda ZA, Hadavi SH, Ruiz De Porras V, Martínez-Balibrea E, Dallos MC. Chemotactic signaling pathways in prostate cancer: Implications in the tumor microenvironment and as potential therapeutic targets. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2024; 388:162-205. [PMID: 39260936 DOI: 10.1016/bs.ircmb.2024.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/13/2024]
Abstract
Prostate cancer (PCa) stands as a significant global health concern, ranking among the leading causes of cancer deaths in men. While there are several treatment modalities for localized PCa, metastatic castration-resistant PCa (mCRPC) remains incurable. Despite therapeutic advancements showing promise in mCRPC, their impact on overall survival has been limited. This chapter explores the process by which tumors form, reviews our current understanding of PCa progression to mCRPC, and addresses the challenges of boosting anti-tumor immune responses in these tumors. It specifically discusses how chemotactic signaling affects the tumor microenvironment and its role in immune evasion and cancer progression. The chapter further examines the rationale of directly or indirectly targeting these pathways as adjuvant therapies for mCRPC, highlighting recent pre-clinical and clinical studies currently underway. The discussion emphasizes the potential of targeting specific chemokines and chemokine receptors as combination therapies with mainstream treatments for PCa and mCRPC to maximize long-term survival for this deadly disease.
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Affiliation(s)
- Zoila A Lopez-Bujanda
- Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, United States.
| | - Shawn H Hadavi
- Division of Hematology and Oncology, Department of Medicine, Columbia University Irving Medical Center, New York, NY, United States
| | - Vicenç Ruiz De Porras
- Badalona Applied Research Group of Oncology (B-ARGO), Catalan Institute of Oncology, Badalona, BCN, Spain; CARE program, Germans Trias i Pujol Research Institute (IGTP), Badalona, BCN, Spain
| | - Eva Martínez-Balibrea
- CARE program, Germans Trias i Pujol Research Institute (IGTP), Badalona, BCN, Spain; ProCURE Program, Catalan Institute of Oncology, Badalona, BCN, Spain
| | - Matthew C Dallos
- Memorial Solid Tumor Group, Memorial Sloan Kettering Cancer Center, New York, NY, United States
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9
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Dincman TA, Karam JAQ, Giordano A, Li H, Drusbosky LM, Gourdin TS, Howe PH, Lilly MB. Genomic amplifications identified by circulating tumor DNA analysis guide prognosis in metastatic castration-resistant prostate cancer. Front Oncol 2024; 13:1202277. [PMID: 38450313 PMCID: PMC10915757 DOI: 10.3389/fonc.2023.1202277] [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: 04/07/2023] [Accepted: 10/25/2023] [Indexed: 03/08/2024] Open
Abstract
Purpose Analysis of circulating tumor DNA (ctDNA) in patients with metastatic prostate cancer (mPC) provides an opportunity to identify and monitor genomic alterations during a patient's treatment course. We evaluated whether the presence of specific gene amplifications (GAs) and plasma copy number (PCN) alterations are associated with disease features. Methods This is a single-institution retrospective study of patients with mPC who underwent ctDNA profiling using Guardant360® (Guardant Health Inc.). This test identifies single nucleotide variants (SNVs) and GAs of select genes by next-generation sequencing. A total of 155 men with mPC were studied. Patients were stratified by GA status. The Kaplan-Meier method and multivariate cox regression models were used to estimate overall survival (OS) or failure-free survival (FFS) from either the date of GA detection or the initiation of systemic therapy. The chi-square test was used to evaluate associations between clinical factors and GAs. Results The presence of liver and/or lung metastases was associated with GAs of BRAF, CDK6, PI3KCA, and FGFR1. Survival analyses were completed on a subset of 83 patients with metastatic castration-resistant prostate cancer (mCRPC). Median OS was improved in patients with 1 GA compared to patients with ≥2 GAs, whether determined from the date of initial GA(s) detection (14.9 mo vs. 8.9 mo) or date of therapy initiation nearest to GA detection (16.7 mo vs. 9.0 mo). Patients without GAs had not reached median OS. Patients with androgen receptor (AR) GA only were also found to have better median OS compared to patients with AR GA plus at least one other additional GA (19.3 mo vs. 8.9 mo). Patients with PIK3CA GA had significantly lower median OS compared to patients with GAs that did not have a PIK3CA GA (5.9 mo vs. 16.0 mo). In patients with AR and/or MYC GA(s), median OS improved in those with reduced AR or MYC PCN during therapy compared to those without such a reduction (25.1 mo vs. 15.9 mo). Conclusions The association of select GAs with survival provides an additional tool for assessing mCRPC prognosis and informing management. Serial monitoring of ctDNA GAs is also useful to guide prognosis and therapeutic response.
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Affiliation(s)
- Toros A. Dincman
- Department of Medicine, Division of Hematology and Oncology, Medical University of South Carolina, Charleston, SC, United States
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
- Department of Biochemistry and Molecular Biology, College of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Joseph A. Q. Karam
- Department of Biochemistry and Molecular Biology, College of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Antonio Giordano
- Department of Medicine, Division of Hematology and Oncology, Medical University of South Carolina, Charleston, SC, United States
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
- Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
- Medical Oncology, Harvard Medical School, Boston, MA, United States
| | - Hong Li
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
- Department of Public Health Sciences, University of California- Davis, Davis, CA, United States
| | | | - Theodore S. Gourdin
- Department of Medicine, Division of Hematology and Oncology, Medical University of South Carolina, Charleston, SC, United States
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
| | - Philip H. Howe
- Department of Biochemistry and Molecular Biology, College of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Michael B. Lilly
- Department of Medicine, Division of Hematology and Oncology, Medical University of South Carolina, Charleston, SC, United States
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
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10
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Uo T, Ojo KK, Sprenger CC, Epilepsia KS, Perera BGK, Damodarasamy M, Sun S, Kim S, Hogan HH, Hulverson MA, Choi R, Whitman GR, Barrett LK, Michaels SA, Xu LH, Sun VL, Arnold SLM, Pang HJ, Nguyen MM, Vigil ALBG, Kamat V, Sullivan LB, Sweet IR, Vidadala R, Maly DJ, Van Voorhis WC, Plymate SR. A Compound that Inhibits Glycolysis in Prostate Cancer Controls Growth of Advanced Prostate Cancer. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.07.01.547355. [PMID: 37461469 PMCID: PMC10350011 DOI: 10.1101/2023.07.01.547355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Purpose Metastatic castration-resistant prostate cancer remains incurable regardless of recent therapeutic advances. Prostate cancer tumors display highly glycolytic phenotypes as the cancer progresses. Non-specific inhibitors of glycolysis have not been utilized successfully for chemotherapy, because of their penchant to cause systemic toxicity. This study reports the preclinical activity, safety, and pharmacokinetics of a novel small molecule preclinical candidate, BKIDC-1553, with antiglycolytic activity. Experimental design We tested a large battery of prostate cancer cell lines for inhibition of cell proliferation, in vitro. Cell cycle, metabolic and enzymatic assays were used to demonstrate their mechanism of action. A human PDX model implanted in mice and a human organoid were studied for sensitivity to our BKIDC preclinical candidate. A battery of pharmacokinetic experiments, absorption, distribution, metabolism, and excretion experiments, and in vitro and in vivo toxicology experiments were carried out to assess readiness for clinical trials. Results We demonstrate a new class of small molecule inhibitors where antiglycolytic activity in prostate cancer cell lines is mediated through inhibition of hexokinase 2. These compounds display selective growth inhibition across multiple prostate cancer models. We describe a lead BKIDC-1553 that demonstrates promising activity in a preclinical xenograft model of advanced prostate cancer, equivalent to that of enzalutamide. BKIDC-1553 demonstrates safety and pharmacologic properties consistent with a compound that can be taken into human studies with expectations of a good safety margin and predicted dosing for efficacy. Conclusion This work supports testing BKIDC-1553 and its derivatives in clinical trials for patients with advanced prostate cancer.
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11
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Chou CC, Tseng CE, Lin YS, Wang M, Chen PL, Chang D, Shen CH, Fang CY. Inhibition of orthotopic castration-resistant prostate cancer growth and metastasis in mice by JC VLPs carrying a suicide gene driven by the PSA promoter. Cancer Gene Ther 2024; 31:250-258. [PMID: 38072969 PMCID: PMC10874888 DOI: 10.1038/s41417-023-00699-8] [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: 07/09/2023] [Revised: 10/30/2023] [Accepted: 11/13/2023] [Indexed: 02/20/2024]
Abstract
Metastatic castration-resistant prostate cancer (mCRPC) is challenging to treat. Virus-like particles (VLPs), originating from JC polyomavirus (JCPyV) and carrying a suicide gene driven by the PSA promoter (PSAtk-VLPs), can inhibit tumor growth in animal models of human prostate cancer. However, the efficacy of suppression of orthotopic PCa growth and metastasis by PSAtk-VLPs remains undetermined. Here, we established an iRFP stable expression CRPC cell line suitable for deep-tissue observation using fluorescence molecular tomography (FMT). These cells were implanted into murine prostate tissue, and PSAtk-VLPs were systemically administered via the tail vein along with the prodrug ganciclovir (GCV), allowing for the real-time observation of orthotopic prostate tumor growth and CRPC tumor metastasis. Our findings demonstrated that systemic PSAtk-VLPs administration with GCV and subsequent FMT scanning facilitated real-time observation of the suppressed growth in mouse iRFP CRPC orthotopic tumors, which further revealed a notable metastasis rate reduction. Systemic PSAtk-VLPs and GCV administration effectively inhibited orthotopic prostate cancer growth and metastasis. These findings suggest the potential of JCPyV VLPs as a promising vector for mCRPC gene therapy. Conclusively, systemically administered JCPyV VLPs carrying a tissue-specific promoter, JCPyV VLPs can protect genes within the bloodstream to be specifically expressed in specific organs.
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Affiliation(s)
- Chih-Chieh Chou
- Institute of Molecular Biology, National Chung Cheng University, Chiayi, Taiwan
| | - Chih-En Tseng
- Department of Anatomic Pathology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi, Taiwan
| | - Yu-Shih Lin
- Department of Pharmacy, Chiayi Chang Gung Memorial hospital, Chiayi Branch, Puzi, Taiwan
| | - Meilin Wang
- Department of Microbiology and Immunology, School of Medicine, Chung-Shan. Medical University and Clinical Laboratory, Chung-Shan Medical University Hospital, Taichung, Taiwan
| | - Pei-Lain Chen
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Deching Chang
- Institute of Molecular Biology, National Chung Cheng University, Chiayi, Taiwan
| | - Cheng-Huang Shen
- Institute of Molecular Biology, National Chung Cheng University, Chiayi, Taiwan.
- Department of Urology, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi, Taiwan.
| | - Chiung-Yao Fang
- Institute of Molecular Biology, National Chung Cheng University, Chiayi, Taiwan.
- Department of Medical Research, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi, Taiwan.
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12
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Boshta NM, Temirak A, El-Shahid ZA, Shafiq Z, Soliman AAF. Design, synthesis, molecular docking and biological evaluation of 1,3,5-trisubstituted-1H-pyrazole derivatives as anticancer agents with cell cycle arrest, ERK and RIPK3- kinase activities. Bioorg Chem 2024; 143:107058. [PMID: 38159496 DOI: 10.1016/j.bioorg.2023.107058] [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: 10/20/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
The need for new ERK and RIPK3 kinase modulators arises from their central roles in cellular processes, especially in diseases like cancer. This research focused on a ligand-based strategy, incorporating previously documented 1,3,5-trisubstituted-1H-pyrazole derivatives, to craft innovative inhibitors specifically targeting ERK and RIPK3 kinases. Compounds 6, 7, 10a, 10c, and 10d exhibited significant cytotoxicity against PC-3 and MCF-7 cancer cell lines, with IC50 values ranging from 21.9 to 28.6 µM and 3.90-35.5 µM, respectively values surpassing those of the reference compound Doxorubicin. Additionally, cell cycle analysis revealed intriguing results, particularly with 10d inducing cell cycle arrest at the S phase in treated PC-3 cells, indicating potential DNA replication phase inhibition. Moreover, compounds 6, 10a, and 10d exhibited promising results in the in vitro kinase assay supported by molecular docking studies. The core scaffold of these compounds established interactions with vital amino acids within the active pockets of ERK and RIPK3 kinases, thereby securely anchoring them in place. These findings underscore the development of promising modulators for ERK and RIPK3 kinases, suggesting their potential for future contributions to cancer treatments.
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Affiliation(s)
- Nader M Boshta
- Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Koam 32511, Egypt.
| | - Ahmed Temirak
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt.
| | - Zeinab A El-Shahid
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Zahid Shafiq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Ahmed A F Soliman
- Drug Bioassay-Cell Culture Laboratory, Pharmacognosy Department, National Research Center, Giza 12622, Egypt
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13
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Dombroski JA, Antunovic M, Schaffer KR, Hurley PJ, King MR. Activation of Dendritic Cells Isolated from the Blood of Patients with Prostate Cancer by Ex Vivo Fluid Shear Stress Stimulation. Curr Protoc 2023; 3:e933. [PMID: 38047658 PMCID: PMC11178276 DOI: 10.1002/cpz1.933] [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] [Indexed: 12/05/2023]
Abstract
Prostate cancer is one of the most common cancers among men in the United States and a leading cause of cancer-related death in men. Treatment options for patients with advanced prostate cancer include hormone therapies, chemotherapies, radioligand therapies, and immunotherapies. Provenge (sipuleucel-T) is an autologous cancer-vaccine-based immunotherapy approved for men with asymptomatic or minimally symptomatic metastatic castration-resistant prostate cancer (mCRPC). Administration of sipuleucel-T involves leukapheresis of patient blood to isolate antigen-presenting cells (APCs), including dendritic cells (DCs), and subsequent incubation of isolated APCs with both an antigen, prostatic acid phosphatase (PAP), and granulocyte macrophage-colony stimulating factor (GM-CSF) before their infusion back into the patient. Although sipuleucel-T has been shown to improve overall survival, other meaningful outcomes, such as prostate-specific antigen (PSA) levels and radiographic response, are inconsistent. This lack of robust response may be due to limited ex vivo activation of DCs using current protocols. Earlier studies have shown that many cell types can be activated ex vivo by external forces such as fluid shear stress (FSS). We hypothesize that novel fluid shear stress technologies and methods can be used to improve ex vivo efficacy of prostate cancer DC activation in prostate cancer. Herein, we report a new protocol for activating DCs from patients with prostate cancer using ex vivo fluid shear stress. Ultimately, the goal of these studies is to improve DC activation to expand the efficacy of therapies such as sipuleucel-T. © 2023 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Sample collection and DC isolation Basic Protocol 2: Determination and application of fluid shear stress Basic Protocol 3: Flow cytometry analysis of DCs after FSS stimulation.
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Affiliation(s)
- Jenna A. Dombroski
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, United States
| | - Monika Antunovic
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Kerry R. Schaffer
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
- Vanderbilt-Ingram Cancer Center, Nashville, TN, United States
| | - Paula J. Hurley
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
- Vanderbilt-Ingram Cancer Center, Nashville, TN, United States
| | - Michael R. King
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, United States
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14
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Adamson B, Brittain N, Walker L, Duncan R, Luzzi S, Rescigno P, Smith G, McGill S, Burchmore RJ, Willmore E, Hickson I, Robson CN, Bogdan D, Jimenez-Vacas JM, Paschalis A, Welti J, Yuan W, McCracken SR, Heer R, Sharp A, de Bono JS, Gaughan L. The catalytic subunit of DNA-PK regulates transcription and splicing of AR in advanced prostate cancer. J Clin Invest 2023; 133:e169200. [PMID: 37751307 PMCID: PMC10645393 DOI: 10.1172/jci169200] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 09/21/2023] [Indexed: 09/27/2023] Open
Abstract
Aberrant androgen receptor (AR) signaling drives prostate cancer (PC), and it is a key therapeutic target. Although initially effective, the generation of alternatively spliced AR variants (AR-Vs) compromises efficacy of treatments. In contrast to full-length AR (AR-FL), AR-Vs constitutively activate androgenic signaling and are refractory to the current repertoire of AR-targeting therapies, which together drive disease progression. There is an unmet clinical need, therefore, to develop more durable PC therapies that can attenuate AR-V function. Exploiting the requirement of coregulatory proteins for AR-V function has the capacity to furnish tractable routes for attenuating persistent oncogenic AR signaling in advanced PC. DNA-PKcs regulates AR-FL transcriptional activity and is upregulated in both early and advanced PC. We hypothesized that DNA-PKcs is critical for AR-V function. Using a proximity biotinylation approach, we demonstrated that the DNA-PK holoenzyme is part of the AR-V7 interactome and is a key regulator of AR-V-mediated transcription and cell growth in models of advanced PC. Crucially, we provide evidence that DNA-PKcs controls global splicing and, via RBMX, regulates the maturation of AR-V and AR-FL transcripts. Ultimately, our data indicate that targeting DNA-PKcs attenuates AR-V signaling and provide evidence that DNA-PKcs blockade is an effective therapeutic option in advanced AR-V-positive patients with PC.
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Affiliation(s)
- Beth Adamson
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Nicholas Brittain
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Laura Walker
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Ruaridh Duncan
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Sara Luzzi
- Newcastle University Biosciences Institute, International Centre for Life, Newcastle Upon Tyne, United Kingdom
| | - Pasquale Rescigno
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Graham Smith
- Newcastle University Bioinformatics Support Unit, Medical School, Newcastle Upon Tyne, United Kingdom
| | - Suzanne McGill
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Richard J.S. Burchmore
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Elaine Willmore
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Ian Hickson
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Craig N. Robson
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Denisa Bogdan
- The Institute for Cancer Research, London, United Kingdom
| | | | - Alec Paschalis
- The Institute for Cancer Research, London, United Kingdom
- The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Jonathan Welti
- The Institute for Cancer Research, London, United Kingdom
| | - Wei Yuan
- The Institute for Cancer Research, London, United Kingdom
| | - Stuart R. McCracken
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
| | - Rakesh Heer
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
- Division of Surgery, Imperial College London, London, United Kingdom
| | - Adam Sharp
- The Institute for Cancer Research, London, United Kingdom
- The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Johann S. de Bono
- The Institute for Cancer Research, London, United Kingdom
- The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Luke Gaughan
- Newcastle University Centre for Cancer, Paul O’Gorman Building, Newcastle Upon Tyne, United Kingdom
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15
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Li X, Yao L, Wang T, Gu X, Wu Y, Jiang T. Identification of the mitochondrial protein POLRMT as a potential therapeutic target of prostate cancer. Cell Death Dis 2023; 14:665. [PMID: 37816734 PMCID: PMC10564732 DOI: 10.1038/s41419-023-06203-2] [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: 05/21/2023] [Revised: 09/24/2023] [Accepted: 09/28/2023] [Indexed: 10/12/2023]
Abstract
RNA polymerase mitochondria (POLRMT) is essential for mitochondrial transcription machinery and other mitochondrial functions. Its expression and potential functions in prostate cancer were explored here. The Cancer Genome Atlas prostate cancer cohort (TCGA PRAD) shows that POLRMT mRNA expression is upregulated in prostate cancer tissues and POLRMT upregulation is correlated with poor patients' survival. POLRMT mRNA and protein levels were upregulated in local prostate cancer tissues and different primary/immortalized prostate cancer cells. Genetic depletion of POLRMT, using viral shRNA or CRISPR/Cas9 gene editing methods, impaired mitochondrial functions in prostate cancer cells, leading to mitochondrial depolarization, oxidative stress, mitochondria complex I inhibition, and ATP depletion. Moreover, POLRMT depletion resulted in robust inhibition of prostate cancer cell viability, proliferation, and migration, and provoked apoptosis. Conversely, prostate cancer cell proliferation, migration, and ATP contents were strengthened following ectopic POLRMT overexpression. In vivo, intratumoral injection of POLRMT shRNA adeno-associated virus impeded prostate cancer xenograft growth in nude mice. POLRMT silencing, oxidative stress, and ATP depletion were detected in POLRMT shRNA-treated prostate cancer xenograft tissues. IMT1 (inhibitor of mitochondrial transcription 1), the first-in-class POLRMT inhibitor, inhibited prostate cancer cell growth in vitro and in vivo. Together, overexpressed POLRMT is an important mitochondrial protein for prostate cancer cell growth, representing a novel and promising diagnostic and therapeutic oncotarget.
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Affiliation(s)
- Xiaojun Li
- Department of Urology, Taicang Affiliated Hospital of Soochow University, The First People's Hospital of Taicang, Taicang, China
| | - Linya Yao
- Department of Urology, Kunshan Hospital of Traditional Chinese Medicine Affiliated to Yangzhou University, Kunshan, China
| | - Tao Wang
- Department of Urology, Taicang Affiliated Hospital of Soochow University, The First People's Hospital of Taicang, Taicang, China
| | - Xiaolei Gu
- Department of Urology, Taicang Affiliated Hospital of Soochow University, The First People's Hospital of Taicang, Taicang, China
| | - Yufan Wu
- Department of Urology, Kunshan Hospital of Traditional Chinese Medicine Affiliated to Yangzhou University, Kunshan, China
| | - Ting Jiang
- Department of Urology, Taicang Affiliated Hospital of Soochow University, The First People's Hospital of Taicang, Taicang, China.
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16
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Bowling GC, Swargaloganathan P, Heintz C, Madan RA, Eldhose B, Dobi A, Chesnut GT. Hematological Toxicities with PARP Inhibitors in Prostate Cancer: A Systematic Review and Meta-Analysis of Phase II/III Randomized Controlled Trials. Cancers (Basel) 2023; 15:4904. [PMID: 37835597 PMCID: PMC10571760 DOI: 10.3390/cancers15194904] [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: 09/08/2023] [Revised: 09/27/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND Poly ADP-ribose polymerase inhibitors (PARPis) are an important class of therapeutics for metastatic castration-resistant prostate cancer (mCRPC). Unlike hormone-based treatments for mCRPC, PARPis are not without drug-related hematological adverse events. OBJECTIVE To review the evidence on hematological toxicities, including anemia, thrombocytopenia, and neutropenia from PARPis in prostate cancer. STUDY METHODOLOGY A systematic review and meta-analysis using the PRISMA guidelines was performed for phase II and III randomized controlled trials (RCTs) of PARPis in prostate cancer. PubMed, Embase, and Ovid All EBM reviews-Cochrane were queried from inception to 9 June 2023. The Mantel-Haenszel method was used to report risk ratios (RR) and 95% confidence intervals (CI) for all-grade and high-grade anemia, thrombocytopenia, and neutropenia toxicities. RESULTS The systematic review retrieved eight phase II and III RCTs; specifically, eight were included in the anemia, five in the all-grade thrombocytopenia and neutropenia, and four in the high-grade thrombocytopenia and neutropenia outcomes. Compared to a placebo and/or other non-PARPi treatments, PARPi use was associated with an increased risk of all-grade anemia (RR, 3.37; 95% CI, 2.37-4.79; p < 0.00001), thrombocytopenia (RR, 4.54; 95% CI, 1.97-10.44; p = 0.0004), and neutropenia (RR, 3.11; 95% CI, 1.60-6.03; p = 0.0008). High-grade anemia (RR, 6.94; 95% CI, 4.06-11.86; p < 0.00001) and thrombocytopenia (RR, 5.52; 95% CI, 2.80-10.88; p < 0.00001) were also associated with an increased risk, while high-grade neutropenia (RR, 3.63; 95% CI, 0.77-17.23; p = 0.10) showed no significant association. Subgroup stratification analyses showed differences in various all-grade and high-grade toxicities. CONCLUSION PARPis were associated with an increased risk of hematological AEs. Future studies with more pooled RCTs will enhance this understanding and continue to inform patient-physician shared decision-making. Future studies may also have a role in improving the current management strategies for these AEs.
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Affiliation(s)
- Gartrell C. Bowling
- School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
| | | | - Carly Heintz
- School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
| | - Ravi A. Madan
- Genitourinary Malignancy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Binil Eldhose
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Henry M Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Albert Dobi
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Henry M Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Gregory T. Chesnut
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD 20817, USA
- Henry M Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
- Urology Service, Walter Reed National Medical Center, Bethesda, MD 20814, USA
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17
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Kishore C, Zi X. Wnt Signaling and Therapeutic Resistance in Castration-Resistant Prostate Cancer. CURRENT PHARMACOLOGY REPORTS 2023; 9:261-274. [PMID: 37994344 PMCID: PMC10664806 DOI: 10.1007/s40495-023-00333-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/23/2023] [Indexed: 11/24/2023]
Abstract
Purpose of Review Castration-resistant prostate cancer (CRPC) is a lethal form of prostate cancer (PCa) due to the development of resistance to androgen deprivation therapy and anti-androgens. Here, we review the emerging role of Wnt signaling in therapeutic resistance of CRPC. Recent Findings Convincing evidence have accumulated that Wnt signaling is aberrantly activated through genomic alterations and autocrine and paracrine augmentations. Wnt signaling plays a critical role in a subset of CRPC and in resistance to anti-androgen therapies. Wnt signaling navigates CRPC through PCa heterogeneity, neuroendocrine differentiation, DNA repair, PCa stem cell maintenance, epithelial-mesenchymal-transition and metastasis, and immune evasion. Summary Components of Wnt signaling can be harnessed for inhibiting PCa growth and metastasis and for developing novel therapeutic strategies to manage metastatic CRPC. There are many Wnt pathway-based potential drugs in different stages of pre-clinical development and clinical trials but so far, no Wnt signaling-specific drug has been approved by FDA for clinical use in CRPC.
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Affiliation(s)
- Chandra Kishore
- Department of Urology, University of California, Irvine, 101 The City Drive South, Rt.81 Bldg.55 Rm.204, Orange, CA 92868, USA
| | - Xiaolin Zi
- Department of Urology, University of California, Irvine, 101 The City Drive South, Rt.81 Bldg.55 Rm.204, Orange, CA 92868, USA
- Chao Family Comprehensive Cancer Center, University of California, Irvine, CA 92868, USA
- Department of Pharmaceutical Sciences, University of California, Irvine, CA 92617, USA
- Veterans Affairs Long Beach Healthcare System, Long Beach, CA 90822, USA
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18
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Kang N, Xue H, Lin YY, Dong X, Classen A, Wu R, Jin Y, Lin D, Volik S, Ong C, Gleave M, Collins C, Wang Y. Influence of ADT on B7-H3 expression during CRPC progression from hormone-naïve prostate cancer. Cancer Gene Ther 2023; 30:1382-1389. [PMID: 37452083 PMCID: PMC10581905 DOI: 10.1038/s41417-023-00644-9] [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: 01/05/2023] [Revised: 06/21/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
Androgen deprivation therapy (ADT) is the standard care for advanced prostate cancer (PCa) patients. Unfortunately, although tumors respond well initially, they enter dormancy and eventually progress to fatal/incurable castration-resistant prostate cancer (CRPC). B7-H3 is a promising new target for PCa immunotherapy. CD276 (B7-H3) gene has a presumptive androgen receptor (AR) binding site, suggesting potential AR regulation. However, the relationship between B7-H3 and AR is controversial. Meanwhile, the expression pattern of B7-H3 following ADT and during CRPC progression is largely unknown, but critically important for identifying patients and determining the optimal timing of B7-H3 targeting immunotherapy. In this study, we performed a longitudinal study using our unique PCa patient-derived xenograft (PDX) models and assessed B7-H3 expression during post-ADT disease progression. We further validated our findings at the clinical level in PCa patient samples. We found that B7-H3 expression was negatively regulated by AR during the early phase of ADT treatment, but positively associated with PCa proliferation during the remainder of disease progression. Our findings suggest its use as a biomarker for diagnosis, prognosis, and ADT treatment response, and the potential of combining ADT and B7-H3 targeting immunotherapy for hormone-naïve PCa treatment to prevent fatal CRPC relapse.
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Affiliation(s)
- Ning Kang
- Department of Experimental Therapeutics, BC Cancer, Vancouver, BC, Canada
| | - Hui Xue
- Department of Experimental Therapeutics, BC Cancer, Vancouver, BC, Canada
| | - Yen-Yi Lin
- Vancouver Prostate Centre, Vancouver, BC, Canada
| | - Xin Dong
- Department of Experimental Therapeutics, BC Cancer, Vancouver, BC, Canada
| | - Adam Classen
- Department of Experimental Therapeutics, BC Cancer, Vancouver, BC, Canada
- Vancouver Prostate Centre, Vancouver, BC, Canada
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Rebecca Wu
- Department of Experimental Therapeutics, BC Cancer, Vancouver, BC, Canada
| | - Yuxuan Jin
- University of Victoria, Victoria, BC, Canada
| | - Dong Lin
- Department of Experimental Therapeutics, BC Cancer, Vancouver, BC, Canada
- Vancouver Prostate Centre, Vancouver, BC, Canada
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | | | - Christopher Ong
- Vancouver Prostate Centre, Vancouver, BC, Canada
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Martin Gleave
- Vancouver Prostate Centre, Vancouver, BC, Canada
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Colin Collins
- Vancouver Prostate Centre, Vancouver, BC, Canada
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Yuzhuo Wang
- Department of Experimental Therapeutics, BC Cancer, Vancouver, BC, Canada.
- Vancouver Prostate Centre, Vancouver, BC, Canada.
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
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19
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Varaprasad GL, Gupta VK, Prasad K, Kim E, Tej MB, Mohanty P, Verma HK, Raju GSR, Bhaskar L, Huh YS. Recent advances and future perspectives in the therapeutics of prostate cancer. Exp Hematol Oncol 2023; 12:80. [PMID: 37740236 PMCID: PMC10517568 DOI: 10.1186/s40164-023-00444-9] [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: 01/14/2023] [Accepted: 09/10/2023] [Indexed: 09/24/2023] Open
Abstract
Prostate cancer (PC) is one of the most common cancers in males and the fifth leading reason of death. Age, ethnicity, family history, and genetic defects are major factors that determine the aggressiveness and lethality of PC. The African population is at the highest risk of developing high-grade PC. It can be challenging to distinguish between low-risk and high-risk patients due to the slow progression of PC. Prostate-specific antigen (PSA) is a revolutionary discovery for the identification of PC. However, it has led to an increase in over diagnosis and over treatment of PC in the past few decades. Even if modifications are made to the standard PSA testing, the specificity has not been found to be significant. Our understanding of PC genetics and proteomics has improved due to advances in different fields. New serum, urine, and tissue biomarkers, such as PC antigen 3 (PCA3), have led to various new diagnostic tests, such as the prostate health index, 4K score, and PCA3. These tests significantly reduce the number of unnecessary and repeat biopsies performed. Chemotherapy, radiotherapy, and prostatectomy are standard treatment options. However, newer novel hormone therapy drugs with a better response have been identified. Androgen deprivation and hormonal therapy are evolving as new and better options for managing hormone-sensitive and castration-resistant PC. This review aimed to highlight and discuss epidemiology, various risk factors, and developments in PC diagnosis and treatment regimens.
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Affiliation(s)
- Ganji Lakshmi Varaprasad
- Department of Biological Sciences and Bioengineering, Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, Republic of Korea
| | - Vivek Kumar Gupta
- Department of Biological Sciences and Bioengineering, Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, Republic of Korea
| | - Kiran Prasad
- Department of Zoology, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | - Eunsu Kim
- Department of Biological Sciences and Bioengineering, Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, Republic of Korea
| | - Mandava Bhuvan Tej
- Department of Health Care Informatics, Sacred Heart University, 5151 Park Avenue, Fair Fields, CT, 06825, USA
| | - Pratik Mohanty
- Department of Zoology, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | - Henu Kumar Verma
- Department of Immunopathology, Institute of Lungs Health and Immunity, Helmholtz Zentrum, 85764, Neuherberg, Munich, Germany
| | - Ganji Seeta Rama Raju
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea.
| | - Lvks Bhaskar
- Department of Zoology, Guru Ghasidas Vishwavidyalaya, Bilaspur, India.
| | - Yun Suk Huh
- Department of Biological Sciences and Bioengineering, Biohybrid Systems Research Center (BSRC), Inha University, Incheon, 22212, Republic of Korea.
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20
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Mari M, Boniburini M, Tosato M, Rigamonti L, Cuoghi L, Belluti S, Imbriano C, Avino G, Asti M, Ferrari E. Development of Stable Amino-Pyrimidine-Curcumin Analogs: Synthesis, Equilibria in Solution, and Potential Anti-Proliferative Activity. Int J Mol Sci 2023; 24:13963. [PMID: 37762266 PMCID: PMC10531168 DOI: 10.3390/ijms241813963] [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: 08/07/2023] [Revised: 08/29/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023] Open
Abstract
With the clear need for better cancer treatment, naturally occurring molecules represent a powerful inspiration. Recently, curcumin has attracted attention for its pleiotropic anticancer activity in vitro, especially against colorectal and prostate cancer cells. Unfortunately, these encouraging results were disappointing in vivo due to curcumin's low stability and poor bioavailability. To overcome these issues, herein, the synthesis of eight new pyrimidine-curcumin derivatives is reported. The compounds were fully characterized (1H/13C NMR (Nuclear Magnetic Resonance), LC-MS (Liquid Chromatography-Mass Spectrometri), UV-Vis spectroscopy), particularly their acid/base behavior; overall protonation constants were estimated, and species distribution, as a function of pH, was predicted, suggesting that all the compounds are in their neutral form at pH 7.4. All the compounds were extremely stable in simulated physiological media (phosphate-buffered saline and simulated plasma). The compounds were tested in vitro (48 h incubation treatment) to assess their effect on cell viability in prostate cancer (LNCaP and PC3) and colorectal cancer (HT29 and HCT116) cell lines. Two compounds showed the same anti-proliferative activity as curcumin against HCT116 cells and improved cytotoxicity against PC3 cells.
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Affiliation(s)
- Matteo Mari
- Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy; (M.M.); (M.B.); (M.T.); (L.R.)
| | - Matteo Boniburini
- Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy; (M.M.); (M.B.); (M.T.); (L.R.)
| | - Marianna Tosato
- Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy; (M.M.); (M.B.); (M.T.); (L.R.)
- Radiopharmaceutical Chemistry Section, Nuclear Medicine Unit, Azienda USL-IRCCS Reggio Emilia, Via Amendola 2, 42122 Reggio Emilia, Italy;
| | - Luca Rigamonti
- Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy; (M.M.); (M.B.); (M.T.); (L.R.)
| | - Laura Cuoghi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 213/d, 41125 Modena, Italy; (L.C.); (S.B.); (C.I.)
| | - Silvia Belluti
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 213/d, 41125 Modena, Italy; (L.C.); (S.B.); (C.I.)
| | - Carol Imbriano
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 213/d, 41125 Modena, Italy; (L.C.); (S.B.); (C.I.)
| | - Giulia Avino
- Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy; (M.M.); (M.B.); (M.T.); (L.R.)
| | - Mattia Asti
- Radiopharmaceutical Chemistry Section, Nuclear Medicine Unit, Azienda USL-IRCCS Reggio Emilia, Via Amendola 2, 42122 Reggio Emilia, Italy;
| | - Erika Ferrari
- Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy; (M.M.); (M.B.); (M.T.); (L.R.)
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21
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Pan C, He Y, Wang H, Yu Y, Li L, Huang L, Lyu M, Ge W, Yang B, Sun Y, Guo T, Liu Z. Identifying Patients With Rapid Progression From Hormone-Sensitive to Castration-Resistant Prostate Cancer: A Retrospective Study. Mol Cell Proteomics 2023; 22:100613. [PMID: 37394064 PMCID: PMC10491655 DOI: 10.1016/j.mcpro.2023.100613] [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: 11/03/2022] [Revised: 06/19/2023] [Accepted: 06/28/2023] [Indexed: 07/04/2023] Open
Abstract
Prostate cancer (PCa) is the second most prevalent malignancy and the fifth cause of cancer-related deaths in men. A crucial challenge is identifying the population at risk of rapid progression from hormone-sensitive prostate cancer (HSPC) to lethal castration-resistant prostate cancer (CRPC). We collected 78 HSPC biopsies and measured their proteomes using pressure cycling technology and a pulsed data-independent acquisition pipeline. We quantified 7355 proteins using these HSPC biopsies. A total of 251 proteins showed differential expression between patients with a long- or short-term progression to CRPC. Using a random forest model, we identified seven proteins that significantly discriminated long- from short-term progression patients, which were used to classify PCa patients with an area under the curve of 0.873. Next, one clinical feature (Gleason sum) and two proteins (BGN and MAPK11) were found to be significantly associated with rapid disease progression. A nomogram model using these three features was generated for stratifying patients into groups with significant progression differences (p-value = 1.3×10-4). To conclude, we identified proteins associated with a fast progression to CRPC and an unfavorable prognosis. Based on these proteins, our machine learning and nomogram models stratified HSPC into high- and low-risk groups and predicted their prognoses. These models may aid clinicians in predicting the progression of patients, guiding individualized clinical management and decisions.
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Affiliation(s)
- Chenxi Pan
- Department of Urology, The Second Hospital of Dalian Medical University, Dalian, China
| | - Yi He
- Department of Urology, The Second Hospital of Dalian Medical University, Dalian, China
| | - He Wang
- Center for Intelligent Proteomics, Westlake Laboratory of Life Sciences and Biomedicine, Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China; Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, China; Research Center for Industries of the Future, Westlake University, Hangzhou, China
| | - Yang Yu
- Department of Urology, The Second Hospital of Dalian Medical University, Dalian, China
| | - Lu Li
- Center for Intelligent Proteomics, Westlake Laboratory of Life Sciences and Biomedicine, Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China; Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, China; Research Center for Industries of the Future, Westlake University, Hangzhou, China; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Lingling Huang
- Westlake Omics (Hangzhou) Biotechnology Co., Ltd, Hangzhou, China
| | - Mengge Lyu
- Center for Intelligent Proteomics, Westlake Laboratory of Life Sciences and Biomedicine, Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China; Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, China; Research Center for Industries of the Future, Westlake University, Hangzhou, China
| | - Weigang Ge
- Westlake Omics (Hangzhou) Biotechnology Co., Ltd, Hangzhou, China
| | - Bo Yang
- Department of Urology, The Second Hospital of Dalian Medical University, Dalian, China.
| | - Yaoting Sun
- Center for Intelligent Proteomics, Westlake Laboratory of Life Sciences and Biomedicine, Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China; Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, China; Research Center for Industries of the Future, Westlake University, Hangzhou, China.
| | - Tiannan Guo
- Center for Intelligent Proteomics, Westlake Laboratory of Life Sciences and Biomedicine, Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China; Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, China; Research Center for Industries of the Future, Westlake University, Hangzhou, China
| | - Zhiyu Liu
- Department of Urology, The Second Hospital of Dalian Medical University, Dalian, China.
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22
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Jin L, Zhu J, Yao L, Shen G, Xue BX, Tao W. Targeting SphK1/2 by SKI-178 inhibits prostate cancer cell growth. Cell Death Dis 2023; 14:537. [PMID: 37604912 PMCID: PMC10442381 DOI: 10.1038/s41419-023-06023-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/13/2023] [Accepted: 07/27/2023] [Indexed: 08/23/2023]
Abstract
Sphingosine kinases (SphK), including SphK1 and SphK2, are important enzymes promoting progression of prostate cancer. SKI-178 is a novel and highly potent SphK1/2 dual inhibitor. We here tested the potential anti-prostate cancer cell activity of SKI-178. Bioinformatics analyses and results from local tissues demonstrated that that both SphK1 and SphK2 are upregulated in human prostate cancer tissues. Ectopic overexpression of SphK1 and SphK2, by lentiviral constructs, promoted primary prostate cancer cell proliferation and migration. In primary human prostate cancer cells and immortalized cell lines, SKI-178 potently inhibited cell viability, proliferation, cell cycle progression and cell migration, causing robust cell death and apoptosis. SKI-178 impaired mitochondrial functions, causing mitochondrial depolarization, reactive oxygen species production and ATP depletion.SKI-178 potently inhibited SphK activity and induced ceramide production, without affecting SphK1/2 expression in prostate cancer cells. Further, SKI-178 inhibited Akt-mTOR activation and induced JNK activation in prostate cancer cells. Contrarily, a constitutively-active Akt1 construct or the pharmacological JNK inhibitors attenuated SKI-178-induced cytotoxicity in prostate cancer cells. In vivo, daily intraperitoneal injection of a single dose of SKI-178 potently inhibited PC-3 xenograft growth in nude mice. SphK inhibition, ceramide production, ATP depletion and lipid peroxidation as well as Akt-mTOR inactivation and JNK activation were detected in PC-3 xenograft tissues with SKI-178 administration. Together, targeting SphK1/2 by SKI-178 potently inhibited prostate cancer cell growth in vitro and in vivo.
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Affiliation(s)
- Lu Jin
- Department of Urology, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jin Zhu
- Department of Urology, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Linya Yao
- Department of Urology, Kunshan Hospital of Traditional Chinese Medicine Affiliated to Yangzhou University, Kunshan, China
| | - Gang Shen
- Department of Urology, DUSHU Lake Hospital Affiliated to Soochow University, Suzhou, China.
| | - Bo-Xin Xue
- Department of Urology, the Second Affiliated Hospital of Soochow University, Suzhou, China.
| | - Wei Tao
- Department of Urology, the Second Affiliated Hospital of Soochow University, Suzhou, China.
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23
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Thakur N, Quazi S, Naik B, Jha SK, Singh P. New insights into molecular signaling pathways and current advancements in prostate cancer diagnostics & therapeutics. Front Oncol 2023; 13:1193736. [PMID: 37664036 PMCID: PMC10469924 DOI: 10.3389/fonc.2023.1193736] [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: 03/25/2023] [Accepted: 07/18/2023] [Indexed: 09/05/2023] Open
Abstract
Prostate adenocarcinoma accounts for more than 20% of deaths among males due to cancer. It is the fifth-leading cancer diagnosed in males across the globe. The mortality rate is quite high due to prostate cancer. Despite the fact that advancements in diagnostics and therapeutics have been made, there is a lack of effective drugs. Metabolic pathways are altered due to the triggering of androgen receptor (AR) signaling pathways, and elevated levels of dihydrotestosterone are produced due to defects in AR signaling that accelerate the growth of prostate cancer cells. Further, PI3K/AKT/mTOR pathways interact with AR signaling pathway and act as precursors to promote prostate cancer. Prostate cancer therapy has been classified into luminal A, luminal B, and basal subtypes. Therapeutic drugs inhibiting dihydrotestosterone and PI3K have shown to give promising results to combat prostate cancer. Many second-generation Androgen receptor signaling antagonists are given either as single agent or with the combination of other drugs. In order to develop a cure for metastasized prostate cancer cells, Androgen deprivation therapy (ADT) is applied by using surgical or chemical methods. In many cases, Prostatectomy or local radiotherapy are used to control metastasized prostate cancer. However, it has been observed that after 1.5 years to 2 years of Prostatectomy or castration, there is reoccurrence of prostate cancer and high incidence of castration resistant prostate cancer is seen in population undergone ADT. It has been observed that Androgen derivation therapy combined with drugs like abiraterone acetate or docetaxel improve overall survival rate in metastatic hormone sensitive prostate cancer (mHSPC) patients. Scientific investigations have revealed that drugs inhibiting poly ADP Ribose polymerase (PARP) are showing promising results in clinical trials in the prostate cancer population with mCRPC and DNA repair abnormalities. Recently, RISUG adv (reversible inhibition of sperm under guidance) has shown significant results against prostate cancer cell lines and MTT assay has validated substantial effects of this drug against PC3 cell lines. Current review paper highlights the advancements in prostate cancer therapeutics and new drug molecules against prostate cancer. It will provide detailed insights on the signaling pathways which need to be targeted to combat metastasized prostate cancer and castration resistant prostate cancer.
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Affiliation(s)
- Neha Thakur
- Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, India
| | - Sameer Quazi
- Department of Chemistry, Akshara First Grade College, Bengaluru, India
- GenLab Biosolutions Private Limited, Bangalore, Karnataka, India
- Department of Biomedical Sciences, School of Life Sciences, Anglia Ruskin University, Cambridge, United Kingdom
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
- Solution Chemistry of Advanced Materials and Technologies (SCAMT) Institute, ITMO University, St. Petersburg, Russia
| | - Bindu Naik
- Department of Food Science and Technology, Graphic Era Deemed to be University, Dehradun, Uttarakhand, India
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India
- Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun, India
| | - Pallavi Singh
- Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, India
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24
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Parghane RV, Basu S. PSMA-targeted radioligand therapy in prostate cancer: current status and future prospects. Expert Rev Anticancer Ther 2023; 23:959-975. [PMID: 37565281 DOI: 10.1080/14737140.2023.2247562] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 06/19/2023] [Accepted: 08/09/2023] [Indexed: 08/12/2023]
Abstract
INTRODUCTION The prostate-specific membrane antigen (PSMA) targeted radioligand therapy (PRLT) for the treatment of metastatic castration-resistant prostate cancer (mCRPC) patients has generated significant interest among the oncologic community, with several publications documenting good response rates and survival benefits with low toxicity profiles. AREAS COVERED Indications, patient preparation, dose administration, post-treatment imaging, dosimetry, and side effect profiles of 177Lu-PSMA-617 are discussed in this article. We also discuss results from prospective studies, major retrospective studies, meta-analyses, clinical trials, and mentioned major ongoing clinical trials on PRLT. We have also portrayed our own experiences and future perspectives on PRLT. EXPERT OPINION For PRLT, PSMA-617 and PSMA-I&T molecules have revolutionized the theranostic approach in the management of advanced prostate cancer, with solid backing from several published articles showing favorable outcomes and an excellent safety profile of 177Lu-PSMA-617. Improvement in quality of life and survival was seen in the majority of mCRPC patients after 177Lu-PSMA-617 PRLT. Patients with good performance status, asymptomatic, only lymph node metastases, high PSMA expressing lesions, and no discordant FDG avid lesions have a longer survival after 177Lu-PSMA-617 PRLT than patients with poor performance status, symptomatic, hepatic, brain, and skeletal metastases, discordant PSMA, and FDG-avid lesions. Docetaxel and cabazitaxel are approved treatments for mCRPC patients. 177Lu-PSMA-617 is approved as a third-line systemic treatment for mCRPC patients with failure to respond to androgen receptor pathway inhibitors and docetaxel therapy. PRLT is a safe and effective alternative to cabazitaxel (third-line systemic treatment), but it has a higher cost. 177Lu-PSMA-617 could be a more efficient therapeutic option for mCRPC patients as first-line or combined therapy, and it may be a useful therapeutic option for the treatment of metastatic hormone-sensitive prostate cancer (mHSPC) patients. Several clinical studies and clinical trials on PRLT are currently underway. In the future, the results of these trials will be helpful in evolving treatment strategies for prostate cancer patients.
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Affiliation(s)
- Rahul V Parghane
- Radiation Medicine Centre (BARC), Tata Memorial Hospital Annexe, Mumbai, India
- Radiation Medicine Centre (BARC), Homi Bhabha National Institute, Mumbai, India
| | - Sandip Basu
- Radiation Medicine Centre (BARC), Tata Memorial Hospital Annexe, Mumbai, India
- Radiation Medicine Centre (BARC), Homi Bhabha National Institute, Mumbai, India
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25
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Masud N. Symphony in the crowd: Key genetic alterations in prostate cancer. CANCER INNOVATION 2023; 2:203-209. [PMID: 38089408 PMCID: PMC10686121 DOI: 10.1002/cai2.52] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 01/03/2023] [Accepted: 01/12/2023] [Indexed: 02/02/2024]
Abstract
Androgen receptor (AR) signaling have been frequently targeted for treating prostate cancer (PCa). Even though primarily patients receive a good therapeutic outcome by targeting AR signaling axis, eventually it emerges resistance by altering the genetic makeup of prostate cells. However, to develop an effective therapeutic regime, it is essential to recognize key genetic alterations in PCa. The most common genetic alterations that give rise to distinct androgen different differentiation states are gene fusion of TMPRSS2 with ETS family genes, deletion, or mutation of tumor suppressor PTEN and TP53 gene, amplification or splicing of AR, altered DNA repair genes. In this review, we describe key genes and genetic changes that have been recognized to contribute to altered prostate environment.
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Affiliation(s)
- Neshat Masud
- Department of PharmacologyUniversity of Louisiana at MonroeMonroeLAUSA
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26
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De Moor R, Koroki Y, Wu DBC, Yu DY, Tohyama M, Ohyama C. A retrospective study on the incidence, management and risk factors of skin rash in patients with advanced prostate cancer in Japan. BMC Urol 2023; 23:73. [PMID: 37118710 PMCID: PMC10148545 DOI: 10.1186/s12894-023-01246-1] [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: 12/30/2022] [Accepted: 04/13/2023] [Indexed: 04/30/2023] Open
Abstract
BACKGROUND Worldwide, prostate cancer (PC) is the second most diagnosed cancer and the fifth leading cause of cancer death in men. Hormonal therapies, commonly used for PC, are associated with a range of treatment-emergent adverse events (TEAEs). The population from Japan seems to be at higher risk of developing TEAEs of skin rash compared to the overall global population. This study was conducted to get a better insight into the incidence, management, and risk factors for skin rash during active treatment for advanced PC in Japan. METHODS A retrospective cohort of PC patients was identified and subsequently categorized, into non-metastatic and metastatic castration-resistant prostate cancer patients (nmCRPC and mCRPC), and metastatic castration-naïve prostate cancer patients (mCNPC). The analysis was based on a dataset from the Medical Data Vision (MDV) database. Descriptive statistics were determined, and a multivariate Cox proportional hazards model was used to the associated risk factors for the onset of rash. RESULTS Overall, 1,738 nmCRPC patients, 630 mCRPC patients, and 454 mCNPC patients were included in this analysis. The median age was 78 years old and similar across the three cohorts. The skin rash incidence was 19.97% for nmCRPC cohort, 28.89% for mCRPC cohort, and 28.85% for mCNPC cohort. The median duration of skin rash ranged from 29 to 42 days. Statistically significant risk factors for developing skin rash included a history of allergy or hypersensitivity (all cohorts), increased age (nmCRPC and mCRPC), a body mass index (BMI) of < 18.5 (nmCRPC and mCRPC), and a PSA level higher than the median (nmCRPC). Skin rash was commonly managed with systemic and topical corticosteroids which ranged from 41.76% to 67.03% for all cohorts. Antihistamines were infrequently used. CONCLUSION This study provides a better understanding of the real-world incidence, onset, duration, management and risk factors of skin rash in patients on active PC treatment in Japan. It was observed that approximately 20-30% of PC patients experience skin rash. Development of skin rash was associated with previous allergy or hypersensitivity, BMI of < 18.5, increased age and higher PSA levels, and was usually treated with corticosteroids.
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Affiliation(s)
- Raf De Moor
- Integrated Market Access, Janssen Pharmaceutical K.K., 3 Chome-5-2 Nishikanda, Tokyo, 101-0065, Japan.
| | - Yosuke Koroki
- Medical Affairs, Janssen Pharmaceutical K.K., Tokyo, Japan
| | - David Bin-Chia Wu
- Janssen Pharmaceutical Companies of Johnson and Johnson, Asia Pacific Regional Office, Singapore, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
- School of Pharmacy, Monash University Malaysia, Bandar Suwnay, Malaysia
| | - Dae Young Yu
- Janssen Pharmaceutical Companies of Johnson and Johnson, Asia Pacific Regional Office, Singapore, Singapore
| | - Mikiko Tohyama
- Department of Dermatology, National Hospital Organization Shikoku Cancer Center, Matsuyama, Japan
| | - Chikara Ohyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
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27
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Penfold L, Woods A, Pollard AE, Arizanova J, Pascual-Navarro E, Muckett PJ, Dore MH, Montoya A, Whilding C, Fets L, Mokochinski J, Constantin TA, Varela-Carver A, Leach DA, Bevan CL, Nikitin AY, Hall Z, Carling D. AMPK activation protects against prostate cancer by inducing a catabolic cellular state. Cell Rep 2023; 42:112396. [PMID: 37061917 PMCID: PMC10576838 DOI: 10.1016/j.celrep.2023.112396] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 12/02/2022] [Accepted: 03/30/2023] [Indexed: 04/17/2023] Open
Abstract
Emerging evidence indicates that metabolic dysregulation drives prostate cancer (PCa) progression and metastasis. AMP-activated protein kinase (AMPK) is a master regulator of metabolism, although its role in PCa remains unclear. Here, we show that genetic and pharmacological activation of AMPK provides a protective effect on PCa progression in vivo. We show that AMPK activation induces PGC1α expression, leading to catabolic metabolic reprogramming of PCa cells. This catabolic state is characterized by increased mitochondrial gene expression, increased fatty acid oxidation, decreased lipogenic potential, decreased cell proliferation, and decreased cell invasiveness. Together, these changes inhibit PCa disease progression. Additionally, we identify a gene network involved in cell cycle regulation that is inhibited by AMPK activation. Strikingly, we show a correlation between this gene network and PGC1α gene expression in human PCa. Taken together, our findings support the use of AMPK activators for clinical treatment of PCa to improve patient outcome.
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Affiliation(s)
- Lucy Penfold
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK.
| | - Angela Woods
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Alice E Pollard
- Institute of Clinical Sciences, Imperial College London, London, UK
| | - Julia Arizanova
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Eneko Pascual-Navarro
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Phillip J Muckett
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Marian H Dore
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Alex Montoya
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Chad Whilding
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Louise Fets
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Joao Mokochinski
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Theodora A Constantin
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London, UK
| | - Anabel Varela-Carver
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London, UK
| | - Damien A Leach
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London, UK
| | - Charlotte L Bevan
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London, UK
| | - Alexander Yu Nikitin
- Department of Biomedical Sciences and Cornell Stem Cell Program, Cornell University, Ithaca, NY, USA
| | - Zoe Hall
- Biomolecular Medicine, Division of Systems Medicine, Department of Metabolism, Digestion, and Reproduction, Imperial College London, London, UK
| | - David Carling
- MRC London Institute of Medical Sciences, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK; Institute of Clinical Sciences, Imperial College London, London, UK.
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28
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Murar M, Pujals S, Albertazzi L. Multivalent effect of peptide functionalized polymeric nanoparticles towards selective prostate cancer targeting. NANOSCALE ADVANCES 2023; 5:1378-1385. [PMID: 36866255 PMCID: PMC9972852 DOI: 10.1039/d2na00601d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
The concept of selective tumor targeting using nanomedicines has been around for decades; however, no targeted nanoparticle has yet reached the clinic. A key bottleneck is the non-selectivity of targeted nanomedicines in vivo, which is attributed to the lack of characterization of their surface properties, especially the ligand number, thereby calling for robust techniques that allow quantifiable outcomes for an optimal design. Multivalent interactions comprise multiple copies of ligands attached to scaffolds, allowing simultaneous binding to receptors, and they play an important role in targeting. As such, 'multivalent' nanoparticles facilitate simultaneous interaction of weak surface ligands with multiple target receptors resulting in higher avidity and enhanced cell selectivity. Therefore, the study of weak binding ligands for membrane-exposed biomarkers is crucial for the successful development of targeted nanomedicines. Here we carried out a study of a cell targeting peptide known as WQP having weak binding affinity for prostate specific membrane antigen, a known prostate cancer biomarker. We evaluated the effect of its multivalent targeting using polymeric NPs over its monomeric form on the cellular uptake in different prostate cancer cell lines. We developed a method of specific enzymatic digestion to quantify the number of WQPs on NPs having different surface valencies and observed that increasing valencies resulted in a higher cellular uptake of WQP-NPs over the peptide alone. We also found that WQP-NPs showed higher uptake in PSMA over-expressing cells, attributed to a stronger avidity for selective PSMA targeting. This kind of strategy can be useful for improving the binding affinity of a weak ligand as a means for selective tumor targeting.
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Affiliation(s)
- Madhura Murar
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST) Barcelona Spain
| | - Silvia Pujals
- Institute for Advanced Chemistry of Catalonia (IQAC) Barcelona Spain
| | - Lorenzo Albertazzi
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST) Barcelona Spain
- Department of Biomedical Engineering, Institute of Complex Molecular Systems (ICMS), Eindhoven University of Technology Eindhoven The Netherlands
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29
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Dhital B, Santasusagna S, Kirthika P, Xu M, Li P, Carceles-Cordon M, Soni RK, Li Z, Hendrickson RC, Schiewer MJ, Kelly WK, Sternberg CN, Luo J, Lujambio A, Cordon-Cardo C, Alvarez-Fernandez M, Malumbres M, Huang H, Ertel A, Domingo-Domenech J, Rodriguez-Bravo V. Harnessing transcriptionally driven chromosomal instability adaptation to target therapy-refractory lethal prostate cancer. Cell Rep Med 2023; 4:100937. [PMID: 36787737 PMCID: PMC9975292 DOI: 10.1016/j.xcrm.2023.100937] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/27/2022] [Accepted: 01/18/2023] [Indexed: 02/16/2023]
Abstract
Metastatic prostate cancer (PCa) inevitably acquires resistance to standard therapy preceding lethality. Here, we unveil a chromosomal instability (CIN) tolerance mechanism as a therapeutic vulnerability of therapy-refractory lethal PCa. Through genomic and transcriptomic analysis of patient datasets, we find that castration and chemotherapy-resistant tumors display the highest CIN and mitotic kinase levels. Functional genomics screening coupled with quantitative phosphoproteomics identify MASTL kinase as a survival vulnerability specific of chemotherapy-resistant PCa cells. Mechanistically, MASTL upregulation is driven by transcriptional rewiring mechanisms involving the non-canonical transcription factors androgen receptor splice variant 7 and E2F7 in a circuitry that restrains deleterious CIN and prevents cell death selectively in metastatic therapy-resistant PCa cells. Notably, MASTL pharmacological inhibition re-sensitizes tumors to standard therapy and improves survival of pre-clinical models. These results uncover a targetable mechanism promoting high CIN adaptation and survival of lethal PCa.
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Affiliation(s)
- Brittiny Dhital
- Biochemistry and Molecular Biology Department, Mayo Clinic, Rochester, MN 55905, USA; Urology Department, Mayo Clinic, Rochester, MN 55905, USA; Thomas Jefferson University, Sidney Kimmel Cancer Center, Philadelphia, PA 19107, USA
| | - Sandra Santasusagna
- Biochemistry and Molecular Biology Department, Mayo Clinic, Rochester, MN 55905, USA; Urology Department, Mayo Clinic, Rochester, MN 55905, USA
| | - Perumalraja Kirthika
- Biochemistry and Molecular Biology Department, Mayo Clinic, Rochester, MN 55905, USA; Urology Department, Mayo Clinic, Rochester, MN 55905, USA
| | - Michael Xu
- Thomas Jefferson University, Sidney Kimmel Cancer Center, Philadelphia, PA 19107, USA
| | - Peiyao Li
- Thomas Jefferson University, Sidney Kimmel Cancer Center, Philadelphia, PA 19107, USA
| | | | - Rajesh K Soni
- Microchemistry and Proteomics Laboratory, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Zhuoning Li
- Microchemistry and Proteomics Laboratory, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Ronald C Hendrickson
- Microchemistry and Proteomics Laboratory, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Matthew J Schiewer
- Thomas Jefferson University, Sidney Kimmel Cancer Center, Philadelphia, PA 19107, USA
| | - William K Kelly
- Thomas Jefferson University, Sidney Kimmel Cancer Center, Philadelphia, PA 19107, USA
| | - Cora N Sternberg
- Englander Institute for Precision Medicine, Weill Cornell Department of Medicine, Meyer Cancer Center, New York-Presbyterian Hospital, New York, NY 10021, USA
| | - Jun Luo
- Urology Department, Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Amaia Lujambio
- Oncological Sciences Department, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Carlos Cordon-Cardo
- Pathology Department, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Monica Alvarez-Fernandez
- Head & Neck Cancer Department, Institute de Investigación Sanitaria Principado de Asturias (ISPA), Institute Universitario de Oncología Principado de Asturias (IUOPA), 33011 Oviedo, Spain
| | - Marcos Malumbres
- Cell Division & Cancer Group, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain; Cancer Cell Cycle group, Vall d'Hebron Institute of Oncology (VHIO), 08035 Barcelona, Spain. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Haojie Huang
- Biochemistry and Molecular Biology Department, Mayo Clinic, Rochester, MN 55905, USA; Urology Department, Mayo Clinic, Rochester, MN 55905, USA
| | - Adam Ertel
- Thomas Jefferson University, Sidney Kimmel Cancer Center, Philadelphia, PA 19107, USA
| | - Josep Domingo-Domenech
- Biochemistry and Molecular Biology Department, Mayo Clinic, Rochester, MN 55905, USA; Urology Department, Mayo Clinic, Rochester, MN 55905, USA.
| | - Veronica Rodriguez-Bravo
- Biochemistry and Molecular Biology Department, Mayo Clinic, Rochester, MN 55905, USA; Urology Department, Mayo Clinic, Rochester, MN 55905, USA.
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30
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Bowling GC, Rands MG, Dobi A, Eldhose B. Emerging Developments in ETS-Positive Prostate Cancer Therapy. Mol Cancer Ther 2023; 22:168-178. [PMID: 36511830 DOI: 10.1158/1535-7163.mct-22-0527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/26/2022] [Accepted: 12/07/2022] [Indexed: 12/15/2022]
Abstract
Prostate cancer is a global health concern, which has a low survival rate in its advanced stages. Even though second-generation androgen receptor-axis inhibitors serve as the mainstay treatment options, utmost of the metastatic cases progress into castration-resistant prostate cancer after their initial treatment response with poor prognostic outcomes. Hence, there is a dire need to develop effective inhibitors that aim the causal oncogenes tangled in the prostate cancer initiation and progression. Molecular-targeted therapy against E-26 transformation-specific (ETS) transcription factors, particularly ETS-related gene, has gained wide attention as a potential treatment strategy. ETS rearrangements with the male hormone responsive transmembrane protease serine 2 promoter defines a significant number of prostate cancer cases and is responsible for cancer initiation and progression. Notably, inhibition of ETS activity has shown to reduce tumorigenesis, thus highlighting its potential as a clinical therapeutic target. In this review, we recapitulate the various targeted drug approaches, including small molecules, peptidomimetics, nucleic acids, and many others, aimed to suppress ETS activity. Several inhibitors have demonstrated ERG antagonist activity in prostate cancer, but further investigations into their molecular mechanisms and impacts on nontumor ETS-containing tissues is warranted.
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Affiliation(s)
- Gartrell C Bowling
- School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Mitchell G Rands
- School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Albert Dobi
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Binil Eldhose
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
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31
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Mi YY, Ji Y, Zhang L, Sun CY, Wei BB, Yang DJ, Wan HY, Qi XW, Wu S, Zhu LJ. A first-in-class HBO1 inhibitor WM-3835 inhibits castration-resistant prostate cancer cell growth in vitro and in vivo. Cell Death Dis 2023; 14:67. [PMID: 36709328 PMCID: PMC9884225 DOI: 10.1038/s41419-023-05606-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/30/2023]
Abstract
The prognosis and overall survival of castration-resistant prostate cancer (CRPC) patients are poor. The search for novel and efficient anti-CRPC agents is therefore extremely important. WM-3835 is a cell-permeable, potent and first-in-class HBO1 (KAT7 or MYST2) inhibitor. Here in primary human prostate cancer cells-derived from CRPC patients, WM-3835 potently inhibited cell viability, proliferation, cell cycle progression and in vitro cell migration. The HBO1 inhibitor provoked apoptosis in the prostate cancer cells. It failed to induce significant cytotoxicity and apoptosis in primary human prostate epithelial cells. shRNA-induced silencing of HBO1 resulted in robust anti-prostate cancer cell activity as well, and adding WM-3835 failed to induce further cytotoxicity in the primary prostate cancer cells. Conversely, ectopic overexpression of HBO1 further augmented primary prostate cancer cell proliferation and migration. WM-3835 inhibited H3-H4 acetylation and downregulated several pro-cancerous genes (CCR2, MYLK, VEGFR2, and OCIAD2) in primary CRPC cells. Importantly, HBO1 mRNA and protein levels are significantly elevated in CRPC tissues and cells. In vivo, daily intraperitoneal injection of WM-3835 potently inhibited pPC-1 xenograft growth in nude mice, and no apparent toxicities detected. Moreover, intratumoral injection of HBO1 shRNA adeno-associated virus (AAV) suppressed the growth of primary prostate cancer xenografts in nude mice. H3-H4 histone acetylation and HBO1-dependent genes (CCR2, MYLK, VEGFR2, and OCIAD2) were remarkably decreased in WM-3835-treated or HBO1-silenced xenograft tissues. Together, targeting HBO1 by WM-3835 robustly inhibits CRPC cell growth.
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Affiliation(s)
- Yuan-Yuan Mi
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Yu Ji
- Department of Pathology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Lifeng Zhang
- Department of Urology, Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Chuan-Yu Sun
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, China
| | - Bing-Bing Wei
- Department of Urology, Wuxi People's Hospital of Nanjing Medical University, Wuxi, China
| | - Dong-Jie Yang
- Department of Pathology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Hong-Yuan Wan
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Xiao-Wei Qi
- Department of Pathology, Affiliated Hospital of Jiangnan University, Wuxi, China.
| | - Sheng Wu
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, China.
| | - Li-Jie Zhu
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, China.
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32
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Gratzke C, Kwiatkowski M, De Giorgi U, Martins da Trindade K, De Santis M, Armstrong AJ, Niu C, Liu Y, Poehlein CH. KEYNOTE-991: pembrolizumab plus enzalutamide and androgen deprivation for metastatic hormone-sensitive prostate cancer. Future Oncol 2023; 18:4079-4087. [PMID: 36705526 DOI: 10.2217/fon-2022-0776] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Current treatment for patients with metastatic hormone-sensitive prostate cancer (mHSPC) delays disease progression and improves survival, but resistance is inevitable. Additional therapies that prolong survival are needed. Androgen deprivation therapy (ADT) combined with next-generation hormonal agents, such as enzalutamide, is standard-of-care for men with mHSPC. Emerging evidence suggests potential synergism between enzalutamide and the PD-1 inhibitor pembrolizumab in prostate cancer. The phase III randomized, placebo-controlled, double-blind KEYNOTE-991 trial will investigate the efficacy and safety of pembrolizumab versus placebo in combination with enzalutamide when initiating ADT in participants with mHSPC naive to next-generation hormonal agents. Approximately 1232 patients will be randomly assigned 1:1 to receive pembrolizumab 200 mg every 3 weeks or placebo every 3 weeks, both with enzalutamide 160 mg once daily and ADT. Dual primary end points are overall survival and radiographic progression-free survival. Secondary end points include time to first subsequent therapy, time to symptomatic skeletal related event, objective response rate and safety and tolerability. Clinical Trial Registration: NCT04191096 (ClinicalTrials.gov).
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Affiliation(s)
- Christian Gratzke
- Department of Urology, University Hospital Freiburg, Hugstetterstr. 55, Freiburg, 79106, Germany
| | - Mariusz Kwiatkowski
- Szpital Wojewodzki im Mikolaja Kopernika, Chałubińskiego 7, Koszalin, 75-581, Poland
| | - Ugo De Giorgi
- IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) Dino Amadori, Via Piero Maroncelli, 40, Meldola, 47014, Italy
| | | | - Maria De Santis
- Charite Universitaetsmedizin, Charitépl. 1, Berlin, 10117, Germany
- Department of Urology, Medical University of Vienna, Spitalgasse 23, Vienna, 1090, Austria
| | - Andrew J Armstrong
- Duke Cancer Institute Center for Prostate & Urologic Cancers, Duke University, 20 Duke Medicine Cir, Durham, NC 27710, USA
| | - Cuizhen Niu
- MSD China, Plot B-12, Electronic City West Zone, Chaoyang District, Beijing, 100012, China
| | - Yingjie Liu
- Merck & Co., Inc., 90 E Scott Ave, Rahway, NJ 07065, USA
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33
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Sanmukh SG, Dos Santos NJ, Nascimento Barquilha C, De Carvalho M, Pintor Dos Reis P, Delella FK, Carvalho HF, Latek D, Fehér T, Felisbino SL. Bacterial RNA virus MS2 exposure increases the expression of cancer progression genes in the LNCaP prostate cancer cell line. Oncol Lett 2023; 25:86. [PMID: 36760518 PMCID: PMC9878357 DOI: 10.3892/ol.2023.13672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 12/02/2022] [Indexed: 01/19/2023] Open
Abstract
Bacteriophages effectively counteract diverse bacterial infections, and their ability to treat most types of cancer has been explored using phage engineering or phage-virus hybrid platforms. In the present study, it was demonstrated that the bacteriophage MS2 can affect the expression of genes associated with the proliferation and survival of LNCaP prostate epithelial cells. LNCaP cells were exposed to bacteriophage MS2 at a concentration of 1×107 plaque forming units/ml for 24-48 h. After exposure, various cellular parameters, including cell viability, morphology, and changes in gene expression, were examined. MS2 affected cell viability adversely, reducing viability by 25% in the first 4 h of treatment; however, cell viability recovered within 24-48 h. Similarly, the AKT, androgen receptor, integrin α5, integrin β1, MAPK1, MAPK3, STAT3, and peroxisome proliferator-activated receptor-γ coactivator 1α genes, which are involved in various normal cellular processes and tumor progression, were significantly upregulated, whereas the expression levels of HSP90, ITGB5, ITGB3, HSP27, ITGAV, and PI3K genes were unchanged. Therefore, based on viability and gene expression changes, bacteriophage MS2 severely impaired LNCaP cells by reducing anchorage-dependent survival and androgen signaling. A caveolin-mediated endocytosis mechanism for MS2-mediated signaling in prostate cancer cells was proposed based on reports involving bacteriophages T4, M13, and MS2, and their interactions with LNCaP and PC3 cell lines.
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Affiliation(s)
- Swapnil Ganesh Sanmukh
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University, Botucatu, São Paulo 18618-689, Brazil,Synthetic and Systems Biology Unit, Biological Research Center, Eötvös Loránd Research Network, 6726 Szeged, Hungary,Faculty of Chemistry, University of Warsaw, 02-093 Warsaw, Poland
| | - Nilton José Dos Santos
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University, Botucatu, São Paulo 18618-689, Brazil,Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, São Paulo 13083-970, Brazil
| | - Caroline Nascimento Barquilha
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University, Botucatu, São Paulo 18618-689, Brazil,Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, São Paulo 13083-970, Brazil
| | - Márcio De Carvalho
- Department of Surgery and Orthopedics, Faculty of Medicine, Sao Paulo State University, Botucatu, São Paulo 18618-687, Brazil
| | - Patricia Pintor Dos Reis
- Department of Surgery and Orthopedics, Faculty of Medicine, Sao Paulo State University, Botucatu, São Paulo 18618-687, Brazil
| | - Flávia Karina Delella
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University, Botucatu, São Paulo 18618-689, Brazil
| | - Hernandes F. Carvalho
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Campinas, São Paulo 13083-970, Brazil
| | - Dorota Latek
- Faculty of Chemistry, University of Warsaw, 02-093 Warsaw, Poland
| | - Tamás Fehér
- Synthetic and Systems Biology Unit, Biological Research Center, Eötvös Loránd Research Network, 6726 Szeged, Hungary
| | - Sérgio Luis Felisbino
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University, Botucatu, São Paulo 18618-689, Brazil,Correspondence to: Professor Sérgio Luis Felisbino, Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University, 250 Antônio Celso Wagner Zanin, Botucatu, São Paulo 18618-689, Brazil, E-mail:
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34
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Ngo HV, Bak HE, Nguyen HD, Lee KW, Park C, Lee BJ. Physicochemical and Biopharmaceutical Controllability of New Self-Assembled Fatty Acid Conjugated Leuprolide for the Enhanced Anticancer Activity. Int J Nanomedicine 2023; 18:2325-2344. [PMID: 37168738 PMCID: PMC10166105 DOI: 10.2147/ijn.s401048] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 04/11/2023] [Indexed: 05/13/2023] Open
Abstract
Background Leuprolide (LEU), a synthetic nonapeptide analog of naturally occurring gonadotropin-releasing hormone (GnRH), could exert a direct inhibitory activity on the proliferation of prostate cancer cells. However, the short half-life in blood and the biopharmaceutical problem of LEU limit this anticancer activity. Purpose To improve its druggability for improving anticancer activity, the amine-group targeted LEU was conjugated with different chain lengths of saturated fatty acids (FAs). Methods LEU-fatty acid conjugates (LFCs) were synthesized by exploiting N-hydroxysuccinimidyl (NHS) conjugation chemistry. The physicochemical properties and the self-assembled behaviors of the conjugates were extensively investigated. The in vitro anticancer activity of three LFCs was extensively studied in both 2D monolayer and 3D spheroid culture models of a prostate cancer cell line, PC3. Results Three LFCs could be readily self-assembled into nanoparticles (LFNs) with a small size of around 100 nm, positive charges, and exhibited greater permeability rates compared to the same concentration of LEU, excluding LSN. The chain length of FA in conjugate was positively related to the selectivity index between cancer cells and non-cancerous cell lines. All LFCs showed a superior direct antiproliferative effect on cancer cells in the following order: LSC (98.9%) > LPC (86.7%) > LLC (75.0%) > LEU (8.9%) after repeat daily of the same dose strength of LEU for 4 days. In addition, the 3D spheroid model study indicates that all LFCs with a one-time treatment performed a long-acting inhibitory effect on tumor growth as compared to LEU after 7 days. Conclusion The conjugation of LEU with different chain lengths of FAs could provide a novel strategy to improve peptide stability and exert an additional superior direct inhibitory effect for the treatment of several hormone-responsive tumor systems using therapeutic peptides.
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Affiliation(s)
- Hai V Ngo
- College of Pharmacy, Ajou University, Suwon, 16499Republic of Korea
| | - Hye-Eun Bak
- College of Pharmacy, Ajou University, Suwon, 16499Republic of Korea
| | - Hy D Nguyen
- College of Pharmacy, Ajou University, Suwon, 16499Republic of Korea
| | - Kye Wan Lee
- Dongkook Pharmaceutical Co., Ltd., Seoul, 06072Republic of Korea
| | - Chulhun Park
- College of Pharmacy, Jeju National University, Jeju, 63243Republic of Korea
| | - Beom-Jin Lee
- College of Pharmacy, Ajou University, Suwon, 16499Republic of Korea
- Correspondence: Beom-Jin Lee, College of Pharmacy, Ajou University, Suwon, 16499, Republic of Korea, Email
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35
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Tohidast M, Memari N, Amini M, Hosseini SS, Jebelli A, Doustvandi MA, Baradaran B, Mokhtarzadeh A. MiR-145 inhibits cell migration and increases paclitaxel chemosensitivity in prostate cancer cells. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2023; 26:1350-1359. [PMID: 37886001 PMCID: PMC10598815 DOI: 10.22038/ijbms.2023.70878.15397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 07/09/2023] [Indexed: 10/28/2023]
Abstract
Objectives Prostate cancer (PC) is one of the most commonly diagnosed malignancies among men worldwide. Paclitaxel is a chemotherapeutic agent widely used to treat different types of cancer. Recent studies revealed miRNAs control various genes that influence the regulation of many biological and pathological processes such as the formation and development of cancer, chemotherapy resistance, etc. Materials and Methods Between three PC cell lines (PC3, DU-145, LNCAP), PC3 showed the lowest miR-145 expression and was chosen for experiments. PC3 cells were treated with paclitaxel and miR-145 separately or in combination. To measure the cell viability, migratory capacity, autophagy, cell cycle progression, and apoptosis induction, the MTT assay, wound-healing assay, and Annexin V/PI apoptosis assay were used, respectively. Moreover, quantitative real-time PCR (qRT-PCR) was employed to measure the expression level of genes involved in apoptosis, migration, and stemness properties. Results Obtained results illustrated that miR-145 transfection could enhance the sensitivity of PC3 cells to paclitaxel and increase paclitaxel-induced apoptosis by modulating the expression of related genes, including Caspase-3, Caspase-9, Bax, and Bcl-2. Also, results showed combination therapy increased cell cycle arrest at the sub-G1 phase. miR-145 and paclitaxel cooperatively reduced migration ability and related-metastatic and stemness gene expression, including MMP-2, MMP-9, CD44, and SOX-2. In addition, combination therapy can suppress MDR1 expression. Conclusion These results confirmed that miR-145 combined with paclitaxel cooperatively could inhibit cell proliferation and migration and increase the chemosensitivity of PC3 cells compared to mono treatment. So, miR-145 combination therapy may be used as a promising approach for PC treatment.
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Affiliation(s)
- Maryam Tohidast
- Department of Biological Science, Faculty of Basic Science, Higher Education Institute of Rab-Rashid, Tabriz, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- These authors contributed eqully to this work
| | - Neda Memari
- Department of Biological Science, Faculty of Basic Science, Higher Education Institute of Rab-Rashid, Tabriz, Iran
- These authors contributed eqully to this work
| | - Mohammad Amini
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Asiyeh Jebelli
- Department of Biological Science, Faculty of Basic Science, Higher Education Institute of Rab-Rashid, Tabriz, Iran
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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36
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Sawada T, Kanemoto Y, Kurokawa T, Kato S. The epigenetic function of androgen receptor in prostate cancer progression. Front Cell Dev Biol 2023; 11:1083486. [PMID: 37025180 PMCID: PMC10070878 DOI: 10.3389/fcell.2023.1083486] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 03/07/2023] [Indexed: 04/08/2023] Open
Abstract
Androgen and androgen deprivation (castration) therapies, including androgen receptor antagonists, are clinically used to treat patients with prostate cancer. However, most hormone-dependent prostate cancer patients progress into a malignant state with loss of hormone-dependency, known as castration (drug)-resistant prostate cancer (CRPC), after prolong androgen-based treatments. Even in the CRPC state with irreversible malignancy, androgen receptor (AR) expression is detectable. An epigenetic transition to CRPC induced by the action of AR-mediated androgen could be speculated in the patients with prostate cancer. Androgen receptors belongs to the nuclear receptor superfamily with 48 members in humans, and acts as a ligand-dependent transcriptional factor, leading to local chromatin reorganization for ligand-dependent gene regulation. In this review, we discussed the transcriptional/epigenetic regulatory functions of AR, with emphasis on the clinical applications of AR ligands, AR protein co-regulators, and AR RNA coregulator (enhancer RNA), especially in chromatin reorganization, in patients with prostate cancer.
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Affiliation(s)
- Takahiro Sawada
- Graduate School of Life Science and Engineering, Iryo Sosei University, Fukushima, Japan
- Research Institute of Innovative Medicine, Tokiwa Foundation, Fukushima, Japan
| | - Yoshiaki Kanemoto
- Graduate School of Life Science and Engineering, Iryo Sosei University, Fukushima, Japan
- Research Institute of Innovative Medicine, Tokiwa Foundation, Fukushima, Japan
| | - Tomohiro Kurokawa
- Graduate School of Life Science and Engineering, Iryo Sosei University, Fukushima, Japan
- Research Institute of Innovative Medicine, Tokiwa Foundation, Fukushima, Japan
- School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Shigeaki Kato
- Graduate School of Life Science and Engineering, Iryo Sosei University, Fukushima, Japan
- Research Institute of Innovative Medicine, Tokiwa Foundation, Fukushima, Japan
- School of Medicine, Fukushima Medical University, Fukushima, Japan
- *Correspondence: Shigeaki Kato,
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37
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Lin R, Yang Y, Wu E, Zhou M, Wang S, Zhang Q. SIRT2 promotes cell proliferation and migration through mediating ERK1/2 activation and lactosylceramide accumulation in prostate cancer. Prostate 2023; 83:71-81. [PMID: 36082450 DOI: 10.1002/pros.24437] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/31/2022] [Accepted: 08/25/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Prostate cancer (PCa) is an age-related malignancy with a high incidence and mortality rate due to lack of efficacy drugs for its therapy in late castration-resistant stage. Sirtuin 2 (SIRT2), a NAD+ -dependent protein deacetylase, is associated with age-related diseases. However, SIRT2 roles in PCa are unclear yet. METHODS Data of SIRT2 expression were extracted from TCGA cohort and GSE54460 cohort. Realtime quantitative PCR and immunohistochemistry were employed to analyze the expression of SIRT2 in PCa tissues. Cell counting Kit-8 assay, lentiviral transduction, flow cytometry, transwell experiments, western blot and metabolomic analysis were performed to explore the functions of SIRT2. RESULTS SIRT2 exhibited increased expression in castration-resistant prostate cancer (CRPC) and neuroendocrine prostate cancer (NEPC). Overexpression of SIRT2 promoted cell proliferation, the proportion of S phase, migration and invasion, and reduced apoptosis rate. The increased phosphorylated ERK1/2 indicated the regulation of SIRT2 to cell proliferation, migration and invasion through activation of ERK1/2 pathway. Furthermore, SIRT2 affected cell metabolic profile and induces lactosylceramide production through upregulation of B4GALT5, which further contributes cell migration and invasion. CONCLUSIONS Our data suggested that SIRT2 is overexpressed in CRPC and NEPC and could promote cell growth and migration through activating ERK1/2 pathway and inducing lactosylceramide production, indicating that SIRT2 has the potential to be a new target for the treatment of PCa.
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Affiliation(s)
- Rui Lin
- Department of Urology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
| | - Yiping Yang
- Department of Research, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
| | - Eran Wu
- Department of Urology, The First Affiliated Hospital of Guangxi University of Science and Technology, Liuzhou, Guangxi, China
| | - Menghan Zhou
- Department of Research, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
| | - Shan Wang
- Department of Research, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
| | - Qingyun Zhang
- Department of Urology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
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Owen JS, Clayton A, Pearson HB. Cancer-Associated Fibroblast Heterogeneity, Activation and Function: Implications for Prostate Cancer. Biomolecules 2022; 13:67. [PMID: 36671452 PMCID: PMC9856041 DOI: 10.3390/biom13010067] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 01/01/2023] Open
Abstract
The continuous remodeling of the tumor microenvironment (TME) during prostate tumorigenesis is emerging as a critical event that facilitates cancer growth, progression and drug-resistance. Recent advances have identified extensive communication networks that enable tumor-stroma cross-talk, and emphasized the functional importance of diverse, heterogeneous stromal fibroblast populations during malignant growth. Cancer-associated fibroblasts (CAFs) are a vital component of the TME, which mediate key oncogenic events including angiogenesis, immunosuppression, metastatic progression and therapeutic resistance, thus presenting an attractive therapeutic target. Nevertheless, how fibroblast heterogeneity, recruitment, cell-of-origin and differential functions contribute to prostate cancer remains to be fully delineated. Developing our molecular understanding of these processes is fundamental to developing new therapies and biomarkers that can ultimately improve clinical outcomes. In this review, we explore the current challenges surrounding fibroblast identification, discuss new mechanistic insights into fibroblast functions during normal prostate tissue homeostasis and tumorigenesis, and illustrate the diverse nature of fibroblast recruitment and CAF generation. We also highlight the promise of CAF-targeted therapies for the treatment of prostate cancer.
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Affiliation(s)
- Jasmine S. Owen
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
| | - Aled Clayton
- Tissue Microenvironment Group, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
| | - Helen B. Pearson
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
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El-Sawy ER, El-Shahid ZA, Soliman AAF, Nassrallah A, Abdelwahab AB, Kirsch G, Abdelmegeed H. Synthetic Analogs of Marine Alkaloid Aplysinopsin Suppress Anti-Apoptotic Protein BCL2 in Prostate Cancer. Molecules 2022; 28:109. [PMID: 36615305 PMCID: PMC9821956 DOI: 10.3390/molecules28010109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022] Open
Abstract
Aplysinopsins are a class of indole alkaloids that possess various pharmacological activities. Although their action has been studied in regard to many diseases, their effect on prostate cancer has not yet been examined. Therefore, we synthesized a new series of aplysinopsin analogs and investigated their cytotoxic activity against prostate cancer. Five analogs showed high antitumor activity via suppressing the expression of the anti-apoptotic gene Bcl2, simulationously increasing the expression of the pro-apoptotic genes p53, Bax and Caspase 3. The inhibition of BCL2 led to the activation of BAX, which in turn activated Caspase 3, leading to apoptosis. This dual mechanism of action via apoptosis and cell cycle arrest induction is responsible for aplysinopsin analogs antitumor activity. Hence, our newly synthesized analogs are highly promising candidates for further preclinical studies against prostate cancer.
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Affiliation(s)
- Eslam R. El-Sawy
- Chemistry of Natural Compounds Department, National Research Centre, Giza 12622, Egypt
| | - Zeinab A. El-Shahid
- Chemistry of Natural and Microbial Products Department, National Research Centre, Giza 12622, Egypt
| | - Ahmed A. F. Soliman
- Drug Bioassay-Cell Culture Laboratory, Pharmacognosy Department, National Research Center, Giza 12622, Egypt
| | - Amr Nassrallah
- Biochemistry Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | | | - Gilbert Kirsch
- Laboratoire Lorrain de Chimie Moléculaire (L.2.C.M.), Université de Lorraine, 57050 Metz, France
| | - Heba Abdelmegeed
- Chemistry of Natural Compounds Department, National Research Centre, Giza 12622, Egypt
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Soll M, Sharma VK, Khoury S, Assaraf YG, Gross Z. Corrole Nanoparticles for Chemotherapy of Castration-Resistant Prostate Cancer and as Sonodynamic Agents for Pancreatic Cancer Treatment. J Med Chem 2022; 66:766-776. [PMID: 36516110 PMCID: PMC9841519 DOI: 10.1021/acs.jmedchem.2c01662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A nanoparticle-based system, composed of the gallium(III) complex of a minimally substituted corrole that is coated by transferrin as a targeting vehicle (3-Ga NPs), has been used for pre-clinical evaluation of its efficacy against human metastatic castration-resistant prostate cancer (mCRPC) tumor xenografts. All mice (N = 9) responded to a dose of 10 mg/kg, with a remarkable tumor growth inhibition of 400% following 2 weeks of treatment; Ames and hERG tests excluded potential concerns regarding mutagenicity and cardiotoxicity, respectively. Also demonstrated is the potential application of these 3-Ga NPs as sonodynamic agents for the preclinical treatment of pancreatic cancer. 10 mg/kg 3-Ga NPs combined with exposure to ultrasound waves (2 min of 1 MHz 0.1 w/cm2 twice a week) induced up to 77% tumor shrinkage. Consistently, tumor/tissue distribution and serum levels of 3-Ga NPs in mice revealed high tumor specificity, favorable pharmacokinetics, fast absorption, slower redistribution, and very slow drug clearance.
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Affiliation(s)
- Matan Soll
- Schulich
Faculty of Chemistry, Technion −
Israel Institute of Technology, Haifa 3200003, Israel
| | - Vinay K. Sharma
- Schulich
Faculty of Chemistry, Technion −
Israel Institute of Technology, Haifa 3200003, Israel
| | - Sally Khoury
- Schulich
Faculty of Chemistry, Technion −
Israel Institute of Technology, Haifa 3200003, Israel
| | - Yehuda G. Assaraf
- The
Fred Wyszkowski Cancer Research Laboratory, Department of Biology, Technion-Israel Institute of Technology, Haifa 3200003, Israel,
| | - Zeev Gross
- Schulich
Faculty of Chemistry, Technion −
Israel Institute of Technology, Haifa 3200003, Israel,.
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Fenor de la Maza MD, Chandran K, Rekowski J, Shui IM, Gurel B, Cross E, Carreira S, Yuan W, Westaby D, Miranda S, Ferreira A, Seed G, Crespo M, Figueiredo I, Bertan C, Gil V, Riisnaes R, Sharp A, Rodrigues DN, Rescigno P, Tunariu N, Liu XQ, Cristescu R, Schloss C, Yap C, de Bono JS. Immune Biomarkers in Metastatic Castration-resistant Prostate Cancer. Eur Urol Oncol 2022; 5:659-667. [PMID: 35491356 DOI: 10.1016/j.euo.2022.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/15/2022] [Accepted: 04/13/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND Metastatic castration-resistant prostate cancer (mCRPC) is a heterogeneous disease in which molecular stratification is needed to improve clinical outcomes. The identification of predictive biomarkers can have a major impact on the care of these patients, but the availability of metastatic tissue samples for research in this setting is limited. OBJECTIVE To study the prevalence of immune biomarkers of potential clinical utility to immunotherapy in mCRPC and to determine their association with overall survival (OS). DESIGN, SETTING, AND PARTICIPANTS From 100 patients, mCRPC biopsies were assayed by whole exome sequencing, targeted next-generation sequencing, RNA sequencing, tumor mutational burden, T-cell-inflamed gene expression profile (TcellinfGEP) score (Nanostring), and immunohistochemistry for programmed cell death 1 ligand 1 (PD-L1), ataxia-telangiectasia mutated (ATM), phosphatase and tensin homolog (PTEN), SRY homology box 2 (SOX2), and the presence of neuroendocrine features. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS The phi coefficient determined correlations between biomarkers of interest. OS was assessed using Kaplan-Meier curves and adjusted hazard ratios (aHRs) from Cox regression. RESULTS AND LIMITATIONS PD-L1 and SOX2 protein expression was detected by immunohistochemistry (combined positive score ≥1 and >5% cells, respectively) in 24 (33%) and 27 (27%) mCRPC biopsies, respectively; 23 (26%) mCRPC biopsies had high TcellinfGEP scores (>-0.318). PD-L1 protein expression and TcellinfGEP scores were positively correlated (phi 0.63 [0.45; 0.76]). PD-L1 protein expression (aHR: 1.90 [1.05; 3.45]), high TcellinfGEP score (aHR: 1.86 [1.04; 3.31]), and SOX2 expression (aHR: 2.09 [1.20; 3.64]) were associated with worse OS. CONCLUSIONS PD-L1, TcellinfGEP score, and SOX2 are prognostic of outcome from the mCRPC setting. If validated, predictive biomarker studies incorporating survival endpoints need to take these findings into consideration. PATIENT SUMMARY This study presents an analysis of immune biomarkers in biopsies from patients with metastatic prostate cancer. We describe tumor alterations that predict prognosis that can impact future studies.
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Affiliation(s)
| | - Khobe Chandran
- The Institute of Cancer Research, London, UK; The Royal Marsden Hospital, London, UK
| | | | | | - Bora Gurel
- The Institute of Cancer Research, London, UK
| | - Emily Cross
- The Institute of Cancer Research, London, UK
| | | | - Wei Yuan
- The Institute of Cancer Research, London, UK
| | - Daniel Westaby
- The Institute of Cancer Research, London, UK; The Royal Marsden Hospital, London, UK
| | - Susana Miranda
- The Institute of Cancer Research, London, UK; The Royal Marsden Hospital, London, UK
| | | | - George Seed
- The Institute of Cancer Research, London, UK
| | | | | | | | | | | | - Adam Sharp
- The Institute of Cancer Research, London, UK; The Royal Marsden Hospital, London, UK
| | | | | | - Nina Tunariu
- The Institute of Cancer Research, London, UK; The Royal Marsden Hospital, London, UK
| | | | | | | | | | - Johann S de Bono
- The Institute of Cancer Research, London, UK; The Royal Marsden Hospital, London, UK.
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Makhov P, Fazliyeva R, Tufano A, Uzzo RG, Cai KQ, Serebriiskii I, Snyder NW, Andrews AJ, Kolenko VM. Acetyl-CoA Counteracts the Inhibitory Effect of Antiandrogens on Androgen Receptor Signaling in Prostate Cancer Cells. Cancers (Basel) 2022; 14:5900. [PMID: 36497382 PMCID: PMC9738902 DOI: 10.3390/cancers14235900] [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: 10/27/2022] [Revised: 11/24/2022] [Accepted: 11/27/2022] [Indexed: 12/02/2022] Open
Abstract
The commonly used therapeutic management of PC involves androgen deprivation therapy (ADT) followed by treatment with AR signaling inhibitors (ARSI). However, nearly all patients develop drug-resistant disease, with a median progression-free survival of less than 2 years in chemotherapy-naïve men. Acetyl-coenzyme A (acetyl-CoA) is a central metabolic signaling molecule with key roles in biosynthetic processes and cancer signaling. In signaling, acetyl-CoA serves as the acetyl donor for acetylation, a critical post-translational modification. Acetylation affects the androgen receptor (AR) both directly and indirectly increasing expression of AR dependent genes. Our studies reveal that PC cells respond to the treatment with ARSI by increasing expression of ATP-citrate lyase (ACLY), a major enzyme responsible for cytosolic acetyl-CoA synthesis, and up-regulation of acetyl-CoA intracellular levels. Inhibition of ACLY results in a significant suppression of ligand-dependent and -independent routes of AR activation. Accordingly, the addition of exogenous acetyl-CoA, or its precursor acetate, augments AR transcriptional activity and diminishes the anti-AR activity of ARSI. Taken together, our findings suggest that PC cells respond to antiandrogens by increasing activity of the acetyl-coA pathway in order to reinstate AR signaling.
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Affiliation(s)
- Peter Makhov
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Rushaniya Fazliyeva
- Cancer Signaling and Epigenetics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Antonio Tufano
- Urology Unit, Department of Maternal-Child and Urological Sciences, “Sapienza” University of Rome, Viale del Policlinico 155, 00161 Rome, Italy
| | - Robert G. Uzzo
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Kathy Q. Cai
- Histopathology Facility, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Ilya Serebriiskii
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
- Kazan Federal University, 420000 Kazan, Russia
| | - Nathaniel W. Snyder
- Center for Metabolic Disease Research and the Department of Cardiovascular Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Andrew J. Andrews
- Cancer Signaling and Epigenetics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Vladimir M. Kolenko
- Cancer Signaling and Epigenetics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
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Feng Y, Cao H, Zhao W, Chen L, Wang D, Gao R. miR-143 mediates abiraterone acetate resistance by regulating the JNK/Bcl-2 signaling pathway in prostate cancer. J Cancer 2022; 13:3652-3659. [PMID: 36606191 PMCID: PMC9809307 DOI: 10.7150/jca.78246] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/06/2022] [Indexed: 12/02/2022] Open
Abstract
Background: miR-143 is known to be downregulated in various cancer cells and tumors and generally plays a tumor-suppressor role. miR-143. However, the role of miR-143 in the mediation of the sensitivity of prostate cancer cells to abiraterone acetate remains unrevealed. Methods: The expression levels of miRNAs were determined by miRNA microarray and quantitative real-time PCR (qRT-PCR). The protein levels were assessed by Western blot assay. Cell viability and apoptosis were respectively measured by Cell Counting Kit-8 (CCK-8) assay and flow cytometry. Results: We identified that miR-143 was significantly downregulated in PC3-AbiR cells compared to PC3 cells. Overexpression of miR-143 promoted PC-AbiR sensitivity to abiraterone acetate in vitro and in vivo. We also revealed that miR-143 upregulation inhibited p-JNK (c-Jun N-terminal kinases) and increased p-Bcl2 (B-cell lymphoma 2), contributing to abiraterone acetate-induced apoptosis in PC3-AbiR cells. Finally, we showed that the combination of miR-143 and abiraterone acetate exerted the most profound tumor inhibition effect and prolonged the mice survival rate in PC3-AbiR tumor-bearing mice. Conclusion: Upregulation of miR-143 may serve as a new strategy to enhance the therapeutical effect of abiraterone acetate on prostate cancer patients who are resistant to abiraterone acetate.
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Affiliation(s)
| | | | | | - Lei Chen
- ✉ Corresponding authors: Lei Chen, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China; ; Tel: 86-13003255716. Dan Wang, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China; ; Tel: 86-18516154000. Renjie Gao, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China;
| | - Dan Wang
- ✉ Corresponding authors: Lei Chen, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China; ; Tel: 86-13003255716. Dan Wang, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China; ; Tel: 86-18516154000. Renjie Gao, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China;
| | - Renjie Gao
- ✉ Corresponding authors: Lei Chen, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China; ; Tel: 86-13003255716. Dan Wang, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China; ; Tel: 86-18516154000. Renjie Gao, Surgical Department I (Urology Department), LONGHUA Hospital Shanghai University of Traditional Chinese Medicine, No. 725 Wanping Road South, Xuhui District, Shanghai 200032, China;
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Recent advances in microbial toxin-related strategies to combat cancer. Semin Cancer Biol 2022; 86:753-768. [PMID: 34271147 DOI: 10.1016/j.semcancer.2021.07.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 07/01/2021] [Accepted: 07/09/2021] [Indexed: 02/08/2023]
Abstract
It is a major concern to treat cancer successfully, due to the distinctive pathophysiology of cancer cells and the gradual manifestation of resistance. Specific action, adverse effects and development of resistance has prompted the urgent requirement of exploring alternative anti-tumour treatment therapies. The naturally derived microbial toxins as a therapy against cancer cells are a promisingly new dimension. Various important microbial toxins such as Diphtheria toxin, Vibrio cholera toxin, Aflatoxin, Patulin, Cryptophycin-55, Chlorella are derived from several bacterial, fungal and algal species. These agents act on different biotargets such as inhibition of protein synthesis, reduction in cell growth, regulation of cell cycle and many cellular processes. Bacterial toxins produce actions primarily by targeting protein moieties and some immunomodulation and few acts through DNA. Fungal toxins appear to have more DNA damaging activity and affect the cell cycle. Algal toxins produce alteration in mitochondrial phosphorylation. In conclusion, microbial toxins and their metabolites appear to have a great potential to provide a promising option for the treatment and management to combat cancer.
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Luechtefeld T, Bozada T, Goel R, Wang L, Paller CJ. Applications for open access normalized synthesis in metastatic prostate cancer trials. Front Artif Intell 2022; 5:984836. [PMID: 36171797 PMCID: PMC9511148 DOI: 10.3389/frai.2022.984836] [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: 07/02/2022] [Accepted: 08/17/2022] [Indexed: 11/24/2022] Open
Abstract
Recent metastatic castration-resistant prostate cancer (mCRPC) clinical trials have integrated homologous recombination and DNA repair deficiency (HRD/DRD) biomarkers into eligibility criteria and secondary objectives. These trials led to the approval of some PARP inhibitors for mCRPC with HRD/DRD indications. Unfortunately, biomarker-trial outcome data is only discovered by reviewing publications, a process that is error-prone, time-consuming, and laborious. While prostate cancer researchers have written systematic evidence reviews (SERs) on this topic, given the time involved from the last search to publication, an SER is often outdated even before publication. The difficulty in reusing previous review data has resulted in multiple reviews of the same trials. Thus, it will be useful to create a normalized evidence base from recently published/presented biomarker-trial outcome data that one can quickly update. We present a new approach to semi-automating normalized, open-access data tables from published clinical trials of metastatic prostate cancer using a data curation and SER platform. Clinicaltrials.gov and Pubmed.gov were used to collect mCRPC clinical trial publications with HRD/DRD biomarkers. We extracted data from 13 publications covering ten trials that started before 22nd Apr 2021. We extracted 585 hazard ratios, response rates, duration metrics, and 543 adverse events. Across 334 patients, we also extracted 8,180 patient-level survival and biomarker values. Data tables were populated with survival metrics, raw patient data, eligibility criteria, adverse events, and timelines. A repeated strong association between HRD and improved PARP inhibitor response was observed. Several use cases for the extracted data are demonstrated via analyses of trial methods, comparison of treatment hazard ratios, and association of treatments with adverse events. Machine learning models are also built on combined and normalized patient data to demonstrate automated discovery of therapy/biomarker relationships. Overall, we demonstrate the value of systematically extracted and normalized data. We have also made our code open-source with simple instructions on updating the analyses as new data becomes available, which anyone can use even with limited programming knowledge. Finally, while we present a novel method of SER for mCRPC trials, one can also implement such semi-automated methods in other clinical trial domains to advance precision medicine.
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Affiliation(s)
| | | | - Rahul Goel
- Independent Researcher, San Francisco, CA, United States
| | - Lin Wang
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, United States
| | - Channing J. Paller
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- *Correspondence: Channing J. Paller
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Zavridou M, Smilkou S, Tserpeli V, Sfika A, Bournakis E, Strati A, Lianidou E. Development and Analytical Validation of a 6-Plex Reverse Transcription Droplet Digital PCR Assay for the Absolute Quantification of Prostate Cancer Biomarkers in Circulating Tumor Cells of Patients with Metastatic Castration-Resistant Prostate Cancer. Clin Chem 2022; 68:1323-1335. [PMID: 36093578 DOI: 10.1093/clinchem/hvac125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/15/2022] [Indexed: 11/12/2022]
Abstract
BACKGROUND Gene expression in circulating tumor cells (CTCs) can be used as a predictive liquid biopsy test in metastatic castration-resistant prostate cancer (mCRPC). We developed a novel 6-plex reverse transcription droplet digital PCR (RT-ddPCR) assay for the absolute quantification of 4 prostate cancer biomarkers, a reference gene, and a synthetic DNA external control (DNA-EC) in CTCs isolated from mCRPC patients. METHODS A novel 6-plex RT-ddPCR assay was developed for the simultaneous absolute quantification of AR-FL, AR-V7, PSA, and PSMA, HPRT (used as a reference gene), and a synthetic DNA-EC that was included for quality control. The assay was optimized and analytically validated using DNA synthetic standards for each transcript as positive controls. Epithelial cellular adhesion molecule (EpCAM)-positive CTC fractions isolated from 90 mCRPC patients and 11 healthy male donors were analyzed, and results were directly compared with reverse transcription quantitative PCR (RT-qPCR) for all markers in all samples. RESULTS Linear dynamic range, limit of detection, limit of quantification, intra- and interassay precision, and analytical specificity were determined for each marker. Application of the assay in EpCAM-positive CTC showed positivity for AR-FL (71/90; 78.9%), AR-V7 (28/90; 31.1%), PSA (41/90; 45.6%), PSMA (38/90; 42.2%), and HPRT (90/90; 100%); DNA-EC concentration was constant across all samples. Direct comparison with RT-qPCR for the same markers in the same samples revealed RT-ddPCR to have superior diagnostic sensitivity. CONCLUSIONS Our 6-plex RT-ddPCR assay was highly sensitive, specific, and reproducible, and enabled simultaneous and absolute quantification of 5 gene transcripts in minute amounts of CTC-derived cDNA. Application of this assay in clinical samples gave diagnostic sensitivity and specificity comparable to, or better than, RT-qPCR.
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Affiliation(s)
- Martha Zavridou
- Analysis of Circulating Tumor Cells, Lab of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Stavroula Smilkou
- Analysis of Circulating Tumor Cells, Lab of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Victoria Tserpeli
- Analysis of Circulating Tumor Cells, Lab of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Aggeliki Sfika
- Oncology Unit, 2nd Department of Surgery, Aretaieio Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Evangelos Bournakis
- Oncology Unit, 2nd Department of Surgery, Aretaieio Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Areti Strati
- Analysis of Circulating Tumor Cells, Lab of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Evi Lianidou
- Analysis of Circulating Tumor Cells, Lab of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
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Identification of the Regulatory Targets of miR-3687 and miR-4417 in Prostate Cancer Cells Using a Proteomics Approach. Int J Mol Sci 2022; 23:ijms231810565. [PMID: 36142477 PMCID: PMC9501364 DOI: 10.3390/ijms231810565] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/08/2022] [Accepted: 09/08/2022] [Indexed: 12/20/2022] Open
Abstract
MicroRNAs (miRNA) are ubiquitous non-coding RNAs that have a prominent role in cellular regulation. The expression of many miRNAs is often found deregulated in prostate cancer (PCa) and castration-resistant prostate cancer (CRPC). Although their expression can be associated with PCa and CRPC, their functions and regulatory activity in cancer development are poorly understood. In this study, we used different proteomics tools to analyze the activity of hsa-miR-3687-3p (miR-3687) and hsa-miR-4417-3p (miR-4417), two miRNAs upregulated in CRPC. PCa and CRPC cell lines were transfected with miR-3687 or miR-4417 to overexpress the miRNAs. Cell lysates were analyzed using 2D gel electrophoresis and proteins were subsequently identified using mass spectrometry (Maldi-MS/MS). A whole cell lysate, without 2D-gel separation, was analyzed by ESI-MS/MS. The expression of deregulated proteins found across both methods was further investigated using Western blotting. Gene ontology and cellular process network analysis determined that miR-3687 and miR-4417 are involved in diverse regulatory mechanisms that support the CRPC phenotype, including metabolism and inflammation. Moreover, both miRNAs are associated with extracellular vesicles, which point toward a secretory mechanism. The tumor protein D52 isoform 1 (TD52-IF1), which regulates neuroendocrine trans-differentiation, was found to be substantially deregulated in androgen-insensitive cells by both miR-3687 and miR-4417. These findings show that these miRNAs potentially support the CRPC by truncating the TD52-IF1 expression after the onset of androgen resistance.
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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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Chopra H, Bibi S, Goyal R, Gautam RK, Trivedi R, Upadhyay TK, Mujahid MH, Shah MA, Haris M, Khot KB, Gopan G, Singh I, Kim JK, Jose J, Abdel-Daim MM, Alhumaydhi FA, Emran TB, Kim B. Chemopreventive Potential of Dietary Nanonutraceuticals for Prostate Cancer: An Extensive Review. Front Oncol 2022; 12:925379. [PMID: 35903701 PMCID: PMC9315356 DOI: 10.3389/fonc.2022.925379] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/25/2022] [Indexed: 12/24/2022] Open
Abstract
There are more than two hundred fifty different types of cancers, that are diagnosed around the world. Prostate cancer is one of the suspicious type of cancer spreading very fast around the world, it is reported that in 2018, 29430 patients died of prostate cancer in the United State of America (USA), and hence it is expected that one out of nine men diagnosed with this severe disease during their lives. Medical science has identified cancer at several stages and indicated genes mutations involved in the cancer cell progressions. Genetic implications have been studied extensively in cancer cell growth. So most efficacious drug for prostate cancer is highly required just like other severe diseases for men. So nutraceutical companies are playing major role to manage cancer disease by the recommendation of best natural products around the world, most of these natural products are isolated from plant and mushrooms because they contain several chemoprotective agents, which could reduce the chances of development of cancer and protect the cells for further progression. Some nutraceutical supplements might activate the cytotoxic chemotherapeutic effects by the mechanism of cell cycle arrest, cell differentiation procedures and changes in the redox states, but in other, it also elevate the levels of effectiveness of chemotherapeutic mechanism and in results, cancer cell becomes less reactive to chemotherapy. In this review, we have highlighted the prostate cancer and importance of nutraceuticals for the control and management of prostate cancer, and the significance of nutraceuticals to cancer patients during chemotherapy.
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Affiliation(s)
- Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Shabana Bibi
- Department of Biosciences, Shifa Tameer-e-milat University, Islamabad, Pakistan
- Yunnan Herbal Laboratory, College of Ecology and Environmental Sciences, Yunnan University, Kunming, China
| | - Rajat Goyal
- Maharishi Markandeshwar (MM) School of Pharmacy, Maharishi Markandeshwar University, Sadopur-Ambala, India
- Maharishi Markandeshwar (MM) College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, India
| | - Rupesh K. Gautam
- Maharishi Markandeshwar (MM) School of Pharmacy, Maharishi Markandeshwar University, Sadopur-Ambala, India
| | - Rashmi Trivedi
- Department of Biotechnology, Parul Institute of Applied Sciences and Animal Cell Culture and Immunobiochemistry Lab, Centre of Research for Development, Parul University, Vadodara, India
| | - Tarun Kumar Upadhyay
- Department of Biotechnology, Parul Institute of Applied Sciences and Animal Cell Culture and Immunobiochemistry Lab, Centre of Research for Development, Parul University, Vadodara, India
| | - Mohd Hasan Mujahid
- Department of Biotechnology, Parul Institute of Applied Sciences and Animal Cell Culture and Immunobiochemistry Lab, Centre of Research for Development, Parul University, Vadodara, India
| | | | - Muhammad Haris
- Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Kartik Bhairu Khot
- Department of Pharmaceutics, NITTE Deemed-to-be University, NGSM Institute of Pharmaceutical Sciences, Mangalore, India
| | - Gopika Gopan
- Department of Pharmaceutics, NITTE Deemed-to-be University, NGSM Institute of Pharmaceutical Sciences, Mangalore, India
| | - Inderbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Jin Kyu Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Seoul, South Korea
| | - Jobin Jose
- Department of Pharmaceutics, NITTE Deemed-to-be University, NGSM Institute of Pharmaceutical Sciences, Mangalore, India
| | - Mohamed M. Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, Jeddah, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Fahad A. Alhumaydhi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Bonglee Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Seoul, South Korea
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De Silva F, Alcorn J. A Tale of Two Cancers: A Current Concise Overview of Breast and Prostate Cancer. Cancers (Basel) 2022; 14:2954. [PMID: 35740617 PMCID: PMC9220807 DOI: 10.3390/cancers14122954] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/02/2022] [Accepted: 06/08/2022] [Indexed: 02/01/2023] Open
Abstract
Cancer is a global issue, and it is expected to have a major impact on our continuing global health crisis. As populations age, we see an increased incidence in cancer rates, but considerable variation is observed in survival rates across different geographical regions and cancer types. Both breast and prostate cancer are leading causes of morbidity and mortality worldwide. Although cancer statistics indicate improvements in some areas of breast and prostate cancer prevention, diagnosis, and treatment, such statistics clearly convey the need for improvements in our understanding of the disease, risk factors, and interventions to improve life span and quality of life for all patients, and hopefully to effect a cure for people living in developed and developing countries. This concise review compiles the current information on statistics, pathophysiology, risk factors, and treatments associated with breast and prostate cancer.
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Affiliation(s)
- Franklyn De Silva
- Drug Discovery & Development Research Group, College of Pharmacy and Nutrition, 104 Clinic Place, Health Sciences Building, University of Saskatchewan, Saskatoon, SK S7N 2Z4, Canada
| | - Jane Alcorn
- Drug Discovery & Development Research Group, College of Pharmacy and Nutrition, 104 Clinic Place, Health Sciences Building, University of Saskatchewan, Saskatoon, SK S7N 2Z4, Canada
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