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Zhang J, Chadha JS. Developmental Therapeutics in Metastatic Prostate Cancer: New Targets and New Strategies. Cancers (Basel) 2024; 16:3098. [PMID: 39272956 PMCID: PMC11393880 DOI: 10.3390/cancers16173098] [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: 07/28/2024] [Revised: 08/25/2024] [Accepted: 08/28/2024] [Indexed: 09/15/2024] Open
Abstract
There is an unmet need to develop new treatments for metastatic prostate cancer. With the development of targeted radioligand therapies, bispecific T cell engagers, antibody-drug conjugates and chimeric antigen receptor T cell (CAR T) therapies, tumor-associated cell surface antigens have emerged as new therapeutic targets in metastatic prostate cancer. Ongoing and completed clinical trials targeting prostate-specific membrane antigen (PSMA), six transmembrane epithelial antigens of the prostate 1 (STEAP1), kallikrein-related peptidase 2 (KLK2), prostate stem cell antigen (PSCA), and delta-like protein 3 (DLL3) in metastatic prostate cancer were reviewed. Strategies for sequential or combinational therapy were discussed.
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Affiliation(s)
- Jingsong Zhang
- Department of Genitourinary Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Juskaran S Chadha
- Department of Genitourinary Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
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2
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Zhang G, Wang Y, Lu S, Ding F, Wang X, Zhu C, Wang Y, Wang K. Molecular understanding and clinical outcomes of CAR T cell therapy in the treatment of urological tumors. Cell Death Dis 2024; 15:359. [PMID: 38789450 PMCID: PMC11126652 DOI: 10.1038/s41419-024-06734-2] [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: 01/15/2024] [Revised: 05/01/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024]
Abstract
Chimeric antigen receptor engineered T (CAR T) cell therapy has developed rapidly in recent years, leading to profound developments in oncology, especially for hematologic malignancies. However, given the pressure of immunosuppressive tumor microenvironments, antigen escape, and diverse other factors, its application in solid tumors is less developed. Urinary system tumors are relatively common, accounting for approximately 24% of all new cancers in the United States. CAR T cells have great potential for urinary system tumors. This review summarizes the latest developments of CAR T cell therapy in urinary system tumors, including kidney cancer, bladder cancer, and prostate cancer, and also outlines the various CAR T cell generations and their pathways and targets that have been developed thus far. Finally, the current advantages, problems, and side effects of CAR T cell therapy are discussed in depth, and potential future developments are proposed in view of current shortcomings.
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Affiliation(s)
- Gong Zhang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Yuan Wang
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Shiyang Lu
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Fengzhu Ding
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Xia Wang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Chunming Zhu
- Department of Family Medicine, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
| | - Yibing Wang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
| | - Kefeng Wang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
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3
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Chen DC, Huang S, Buteau JP, Kashyap R, Hofman MS. Clinical Positron Emission Tomography/Computed Tomography: Quarter-Century Transformation of Prostate Cancer Molecular Imaging. PET Clin 2024; 19:261-279. [PMID: 38199918 DOI: 10.1016/j.cpet.2023.12.011] [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: 01/12/2024]
Abstract
Although positron emission tomography/computed tomography (PET/CT) underwent rapid growth during the last quarter-century, becoming a new standard-of-care for imaging most cancer types, CT and bone scan remained the gold standard for patients with prostate cancer. This occurred as 2-fluorine-18-fluoro-2-deoxy-d-glucose was perceived to have a limited role owing to low sensitivity in many patients. A resurgence of interest occurred with the use of fluorine-18-sodium-fluoride PET/CT as a replacement for bone scintigraphy, and then choline, fluciclovine, and dihydrotestosterone (DHT) PET/CT as prostate "specific" radiotracers. The last decade, however, has seen a true revolution with the meteoric rise of prostate-specific membrane antigen PET/CT.
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Affiliation(s)
- David C Chen
- Prostate Cancer Theranostics and Imaging Centre of Excellence, Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
| | - Siyu Huang
- Department of Surgery, The University of Melbourne
| | - James P Buteau
- Prostate Cancer Theranostics and Imaging Centre of Excellence, Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
| | - Raghava Kashyap
- Prostate Cancer Theranostics and Imaging Centre of Excellence, Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
| | - Michael S Hofman
- Prostate Cancer Theranostics and Imaging Centre of Excellence, Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia.
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4
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Guo Y, Li X, Xie Y, Wang Y. What influences the activity of Degrader-Antibody conjugates (DACs). Eur J Med Chem 2024; 268:116216. [PMID: 38387330 DOI: 10.1016/j.ejmech.2024.116216] [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: 12/12/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 02/24/2024]
Abstract
The targeted protein degradation (TPD) technology employing proteolysis-targeting chimeras (PROTACs) has been widely applied in drug chemistry and chemical biology for the treatment of cancer and other diseases. PROTACs have demonstrated significant advantages in targeting undruggable targets and overcoming drug resistance. However, despite the efficient degradation of targeted proteins achieved by PROTACs, they still face challenges related to selectivity between normal and cancer cells, as well as issues with poor membrane permeability due to their substantial molecular weight. Additionally, the noteworthy toxicity resulting from off-target effects also needs to be addressed. To solve these issues, Degrader-Antibody Conjugates (DACs) have been developed, leveraging the targeting and internalization capabilities of antibodies. In this review, we elucidates the characteristics and distinctions between DACs, and traditional Antibody-drug conjugates (ADCs). Meanwhile, we emphasizes the significance of DACs in facilitating the delivery of PROTACs and delves into the impact of various components on DAC activity. These components include antibody targets, drug-antibody ratio (DAR), linker types, PROTACs targets, PROTACs connections, and E3 ligase ligands. The review also explores the suitability of different targets (antibody targets or PROTACs targets) for DACs, providing insights to guide the design of PROTACs better suited for antibody conjugation.
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Affiliation(s)
- Yaolin Guo
- Department of Respiratory and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, 610212, Sichuan, China
| | - Xiaoxue Li
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yang Xie
- Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, 610212, Sichuan, China
| | - Yuxi Wang
- Department of Respiratory and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, 610212, Sichuan, China.
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5
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Fang ZX, Chen WJ, Wu Z, Hou YY, Lan YZ, Wu HT, Liu J. Inflammatory response in gastrointestinal cancers: Overview of six transmembrane epithelial antigens of the prostate in pathophysiology and clinical implications. World J Clin Oncol 2024; 15:9-22. [PMID: 38292664 PMCID: PMC10823946 DOI: 10.5306/wjco.v15.i1.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/24/2023] [Accepted: 12/19/2023] [Indexed: 01/23/2024] Open
Abstract
Chronic inflammation is known to increase the risk of gastrointestinal cancers (GICs), the common solid tumors worldwide. Precancerous lesions, such as chronic atrophic inflammation and ulcers, are related to inflammatory responses in vivo and likely to occur in hyperplasia and tumorigenesis. Unfortunately, due to the lack of effective therapeutic targets, the prognosis of patients with GICs is still unsatisfactory. Interestingly, it is found that six transmembrane epithelial antigens of the prostate (STEAPs), a group of metal reductases, are significantly associated with the progression of malignancies, playing a crucial role in systemic metabolic homeostasis and inflammatory responses. The structure and functions of STEAPs suggest that they are closely related to intracellular oxidative stress, responding to inflammatory reactions. Under the imbalance status of abnormal oxidative stress, STEAP members are involved in cell transformation and the development of GICs by inhibiting or activating inflammatory process. This review focuses on STEAPs in GICs along with exploring their potential molecular regulatory mechanisms, with an aim to provide a theoretical basis for diagnosis and treatment strategies for patients suffering from these types of cancers.
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Affiliation(s)
- Ze-Xuan Fang
- The Breast Center, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Wen-Jia Chen
- The Breast Center, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Zheng Wu
- The Breast Center, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yan-Yu Hou
- The Breast Center, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yang-Zheng Lan
- The Breast Center, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Hua-Tao Wu
- Department of General Surgery, First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Jing Liu
- The Breast Center, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
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Nolan-Stevaux O, Li C, Liang L, Zhan J, Estrada J, Osgood T, Li F, Zhang H, Case R, Murawsky CM, Estes B, Moore GL, Bernett MJ, Muchhal U, Desjarlais JR, Staley BK, Stevens J, Cooke KS, Aeffner F, Thomas O, Stieglmaier J, Lee JL, Coxon A, Bailis JM. AMG 509 (Xaluritamig), an Anti-STEAP1 XmAb 2+1 T-cell Redirecting Immune Therapy with Avidity-Dependent Activity against Prostate Cancer. Cancer Discov 2024; 14:90-103. [PMID: 37861452 DOI: 10.1158/2159-8290.cd-23-0984] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/25/2023] [Accepted: 10/03/2023] [Indexed: 10/21/2023]
Abstract
The tumor-associated antigen STEAP1 is a potential therapeutic target that is expressed in most prostate tumors and at increased levels in metastatic castration-resistant prostate cancer (mCRPC). We developed a STEAP1-targeted XmAb 2+1 T-cell engager (TCE) molecule, AMG 509 (also designated xaluritamig), that is designed to redirect T cells to kill prostate cancer cells that express STEAP1. AMG 509 mediates potent T cell-dependent cytotoxicity of prostate cancer cell lines in vitro and promotes tumor regression in xenograft and syngeneic mouse models of prostate cancer in vivo. The avidity-driven activity of AMG 509 enables selectivity for tumor cells with high STEAP1 expression compared with normal cells. AMG 509 is the first STEAP1 TCE to advance to clinical testing, and we report a case study of a patient with mCRPC who achieved an objective response on AMG 509 treatment. SIGNIFICANCE Immunotherapy in prostate cancer has met with limited success due to the immunosuppressive microenvironment and lack of tumor-specific targets. AMG 509 provides a targeted immunotherapy approach to engage a patient's T cells to kill STEAP1-expressing tumor cells and represents a new treatment option for mCRPC and potentially more broadly for prostate cancer. See related commentary by Hage Chehade et al., p. 20. See related article by Kelly et al., p. 76. This article is featured in Selected Articles from This Issue, p. 5.
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Affiliation(s)
| | - Cong Li
- Oncology Research, Amgen Research, Amgen Inc., South San Francisco, California
| | - Lingming Liang
- Oncology Research, Amgen Research, Amgen Inc., South San Francisco, California
| | - Jinghui Zhan
- Oncology Research, Amgen Research, Amgen Inc., Thousand Oaks, California
| | - Juan Estrada
- Oncology Research, Amgen Research, Amgen Inc., Thousand Oaks, California
| | - Tao Osgood
- Oncology Research, Amgen Research, Amgen Inc., Thousand Oaks, California
| | - Fei Li
- Structural Biology, Amgen Research, Amgen Inc., South San Francisco, California
| | - Hanzhi Zhang
- Structural Biology, Amgen Research, Amgen Inc., South San Francisco, California
| | - Ryan Case
- Lead Discovery and Characterization, Amgen Research, Amgen Inc., South San Francisco, California
| | | | - Bram Estes
- Therapeutic Discovery, Amgen Research, Thousand Oaks, California
| | | | | | | | | | - Binnaz K Staley
- Oncology Research, Amgen Research, Amgen Inc., South San Francisco, California
| | - Jennitte Stevens
- Therapeutic Discovery, Amgen Research, Thousand Oaks, California
| | - Keegan S Cooke
- Oncology Research, Amgen Research, Amgen Inc., Thousand Oaks, California
| | - Famke Aeffner
- Translational Safety and Bioanalytical Sciences, Amgen Research, Amgen Inc., South San Francisco, California
| | - Oliver Thomas
- Translational Safety and Bioanalytical Sciences, Amgen Research (Munich) GmbH, Munich, Germany
| | - Julia Stieglmaier
- Early Development Oncology, Amgen Research (Munich) GmbH, Munich, Germany
| | - Jae-Lyun Lee
- Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Angela Coxon
- Oncology Research, Amgen Research, Amgen Inc., Thousand Oaks, California
| | - Julie M Bailis
- Oncology Research, Amgen Research, Amgen Inc., South San Francisco, California
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7
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Fu D, Zhang X, Zhou Y, Hu S. A novel prognostic signature and therapy guidance for hepatocellular carcinoma based on STEAP family. BMC Med Genomics 2024; 17:16. [PMID: 38191397 PMCID: PMC10775544 DOI: 10.1186/s12920-023-01789-0] [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: 10/12/2023] [Accepted: 12/26/2023] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND The six-transmembrane epithelial antigen of prostate (STEAP) family members are known to be involved in various tumor-related biological processes and showed its huge potential role in tumor immunotherapy. METHODS Biological differences were investigated through Gene set enrichment analysis (GSEA) and tumor microenvironment analysis by CIBERSORT. Tumor mutation burden (TMB), immunotherapy response and chemotherapeutic drugs sensitivity were estimated in R. RESULTS We established a prognostic signature with the formula: risk score = STEAP1 × 0.3994 + STEAP4 × (- 0.7596), which had a favorable concordance with the prediction. The high-risk group were enriched in cell cycle and RNA and protein synthesis related pathways, while the low-risk group were enriched in complement and metabolic related pathways. And the risk score was significantly correlated with immune cell infiltration. Most notably, the patients in the low-risk group were characterized with increased TMB and decreased tumor immune dysfunction and exclusion (TIDE) score, indicating that these patients showed better immune checkpoint blockade response. Meanwhile, we found the patients with high-risk were more sensitive to some drugs related to cell cycle and apoptosis. CONCLUSIONS The novel signature based on STEAPs may be effective indicators for predicting prognosis, and provides corresponding clinical treatment recommendations for HCC patients based on this classification.
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Affiliation(s)
- Dongxue Fu
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xian Zhang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, No.1 South Baixiang Street, Ouhai District, Wenzhou, Zhejiang, 325000, China
| | - Yi Zhou
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, No.1 South Baixiang Street, Ouhai District, Wenzhou, Zhejiang, 325000, China
| | - Shanshan Hu
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, No.1 South Baixiang Street, Ouhai District, Wenzhou, Zhejiang, 325000, China.
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Jin Y, Dunn C, Persiconi I, Sike A, Skorstad G, Beck C, Kyte JA. Comparative Evaluation of STEAP1 Targeting Chimeric Antigen Receptors with Different Costimulatory Domains and Spacers. Int J Mol Sci 2024; 25:586. [PMID: 38203757 PMCID: PMC10778617 DOI: 10.3390/ijms25010586] [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: 11/27/2023] [Revised: 12/16/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
We have developed a chimeric antigen receptor (CAR) against the six-transmembrane epithelial antigen of prostate-1 (STEAP1), which is expressed in prostate cancer, Ewing sarcoma, and other malignancies. In the present study, we investigated the effect of substituting costimulatory domains and spacers in this STEAP1 CAR. We cloned four CAR constructs with either CD28 or 4-1BB costimulatory domains, combined with a CD8a-spacer (sp) or a mutated IgG-spacer. The CAR T-cells were evaluated in short- and long-term in vitro T-cell assays, measuring cytokine production, tumor cell killing, and CAR T-cell expansion and phenotype. A xenograft mouse model of prostate cancer was used for in vivo comparison. All four CAR constructs conferred CD4+ and CD8+ T cells with STEAP1-specific functionality. A CD8sp_41BBz construct and an IgGsp_CD28z construct were selected for a more extensive comparison. The IgGsp_CD28z CAR gave stronger cytokine responses and killing in overnight caspase assays. However, the 41BB-containing CAR mediated more killing (IncuCyte) over one week. Upon six repeated stimulations, the CD8sp_41BBz CAR T cells showed superior expansion and lower expression of exhaustion markers (PD1, LAG3, TIGIT, TIM3, and CD25). In vivo, both the CAR T variants had comparable anti-tumor activity, but persisting CAR T-cells in tumors were only detected for the 41BBz variant. In conclusion, the CD8sp_41BBz STEAP1 CAR T cells had superior expansion and survival in vitro and in vivo, compared to the IgGsp_CD28z counterpart, and a less exhausted phenotype upon repeated antigen exposure. Such persistence may be important for clinical efficacy.
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Affiliation(s)
- Yixin Jin
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; (Y.J.); (C.D.); (I.P.); (A.S.); (C.B.)
| | - Claire Dunn
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; (Y.J.); (C.D.); (I.P.); (A.S.); (C.B.)
| | - Irene Persiconi
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; (Y.J.); (C.D.); (I.P.); (A.S.); (C.B.)
| | - Adam Sike
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; (Y.J.); (C.D.); (I.P.); (A.S.); (C.B.)
| | - Gjertrud Skorstad
- Department of Clinical Cancer Research, Oslo University Hospital, 0424 Oslo, Norway
| | - Carole Beck
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; (Y.J.); (C.D.); (I.P.); (A.S.); (C.B.)
| | - Jon Amund Kyte
- Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; (Y.J.); (C.D.); (I.P.); (A.S.); (C.B.)
- Department of Clinical Cancer Research, Oslo University Hospital, 0424 Oslo, Norway
- Faculty of Health Sciences, Oslo Metropolitan University, 0130 Oslo, Norway
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Liu J, Zhou W, Yang L, Li Y, Qiu J, Fu X, Ren P, Guo F, Zhou Y, Liu J, Chen P, DiSanto ME, Zhang X. STEAP4 modulates cell proliferation and oxidative stress in benign prostatic hyperplasia. Cell Signal 2024; 113:110933. [PMID: 37866665 DOI: 10.1016/j.cellsig.2023.110933] [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: 06/18/2023] [Revised: 09/08/2023] [Accepted: 10/18/2023] [Indexed: 10/24/2023]
Abstract
Benign prostatic hyperplasia (BPH) is a quite common chronic disease plagued elderly men and its etiology remains unclear. It was reported that the six-transmembrane epithelial antigen of prostate 4 (STEAP4) could modulate cell proliferation/apoptosis ratio and oxidative stress in cancers. Our current study aimed to explore the expression, biological function, and underlying mechanism of STEAP4 in BPH progress. Human prostate tissues and cell lines were utilized. qRT-PCR and immunofluorescence staining were employed. STEAP4 knockdown (STEAP4-KD) or STEAP4 overexpression (STEAP4-OE) cell models were established. Cell proliferation, cell cycle, apoptosis, and reactive oxygen species (ROS) were determined by cell counting kit-8 (CCK-8) assay and flow cytometry. Apoptosis-related proteins and antioxidant enzymes were identified by Western Blot. In addition, the epithelial-mesenchymal transition (EMT) process and fibrosis biomarker (collagen I and α-SMA) were analyzed. It was indicated that STEAP4 was mainly located in the prostate epithelium and upregulated in BPH tissues. STEAP4 deficiency induced apoptosis and inhibited cell survival, but had no effect on the cell cycle, fibrosis, and EMT process. In addition, ROS changes were observed in the STEAP4-KD model. Consistently, overproduction of STEAP4 suppressed apoptosis and promoted cell proliferation, as well as facilitated ROS production. We further examined AKT / mTOR, p38MAPK / p-p38MAPK, and WNT/ β-Catenin signaling pathway and demonstrated that STEAP4 regulated the proliferation and apoptosis of prostate cells through AKT / mTOR signaling, rather than p38MAPK / p-p38MAPK and WNT/ β-Catenin pathways. Furthermore, activating AKT / mTOR signaling with SC79 significantly reversed apoptosis triggered by STEAP4 deficiency, whereas suppressing AKT / mTOR signaling with MK2206 reduced the increase of cell viability triggered by STEAP4 overproduction. Our original data demonstrated that STEAP4 is crucial in the onset and progression of prostate hyperplasia and may become a new target for the treatment of BPH.
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Affiliation(s)
- Jiang Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wei Zhou
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, China
| | - Liang Yang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yan Li
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jizhang Qiu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xun Fu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Pengfei Ren
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Feng Guo
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yongying Zhou
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jianmin Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ping Chen
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Michael E DiSanto
- Department of Surgery and Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Xinhua Zhang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China.
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10
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Chen K, Wang L, Shen J, Tsai AL, Zhou M, Wu G. Mechanism of stepwise electron transfer in six-transmembrane epithelial antigen of the prostate (STEAP) 1 and 2. eLife 2023; 12:RP88299. [PMID: 37983176 PMCID: PMC10659578 DOI: 10.7554/elife.88299] [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: 11/22/2023] Open
Abstract
Six transmembrane epithelial antigen of the prostate (STEAP) 1-4 are membrane-embedded hemoproteins that chelate a heme prosthetic group in a transmembrane domain (TMD). STEAP2-4, but not STEAP1, have an intracellular oxidoreductase domain (OxRD) and can mediate cross-membrane electron transfer from NADPH via FAD and heme. However, it is unknown whether STEAP1 can establish a physiologically relevant electron transfer chain. Here, we show that STEAP1 can be reduced by reduced FAD or soluble cytochrome b5 reductase that serves as a surrogate OxRD, providing the first evidence that STEAP1 can support a cross-membrane electron transfer chain. It is not clear whether FAD, which relays electrons from NADPH in OxRD to heme in TMD, remains constantly bound to the STEAPs. We found that FAD reduced by STEAP2 can be utilized by STEAP1, suggesting that FAD is diffusible rather than staying bound to STEAP2. We determined the structure of human STEAP2 in complex with NADP+ and FAD to an overall resolution of 3.2 Å by cryo-electron microscopy and found that the two cofactors bind STEAP2 similarly as in STEAP4, suggesting that a diffusible FAD is a general feature of the electron transfer mechanism in the STEAPs. We also demonstrated that STEAP2 reduces ferric nitrilotriacetic acid (Fe3+-NTA) significantly slower than STEAP1 and proposed that the slower reduction is due to the poor Fe3+-NTA binding to the highly flexible extracellular region in STEAP2. These results establish a solid foundation for understanding the function and mechanisms of the STEAPs.
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Affiliation(s)
- Kehan Chen
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of MedicineHoustonUnited States
| | - Lie Wang
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of MedicineHoustonUnited States
| | - Jiemin Shen
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of MedicineHoustonUnited States
| | - Ah-Lim Tsai
- Division of Hematology-Oncology, Department of Internal Medicine, University of Texas-McGovern Medical SchoolHoustonUnited States
| | - Ming Zhou
- Verna and Marrs McLean Department of Biochemistry and Molecular Pharmacology, Baylor College of MedicineHoustonUnited States
| | - Gang Wu
- Division of Hematology-Oncology, Department of Internal Medicine, University of Texas-McGovern Medical SchoolHoustonUnited States
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Zanvit P, van Dyk D, Fazenbaker C, McGlinchey K, Luo W, Pezold JM, Meekin J, Chang CY, Carrasco RA, Breen S, Cheung CSF, Endlich-Frazier A, Clark B, Chu NJ, Vantellini A, Martin PL, Hoover CE, Riley K, Sweet SM, Chain D, Kim YJ, Tu E, Harder N, Phipps S, Damschroder M, Gilbreth RN, Cobbold M, Moody G, Bosco EE. Antitumor activity of AZD0754, a dnTGFβRII-armored, STEAP2-targeted CAR-T cell therapy, in prostate cancer. J Clin Invest 2023; 133:e169655. [PMID: 37966111 PMCID: PMC10645390 DOI: 10.1172/jci169655] [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: 03/09/2023] [Accepted: 09/21/2023] [Indexed: 11/16/2023] Open
Abstract
Prostate cancer is generally considered an immunologically "cold" tumor type that is insensitive to immunotherapy. Targeting surface antigens on tumors through cellular therapy can induce a potent antitumor immune response to "heat up" the tumor microenvironment. However, many antigens expressed on prostate tumor cells are also found on normal tissues, potentially causing on-target, off-tumor toxicities and a suboptimal therapeutic index. Our studies revealed that six-transmembrane epithelial antigen of prostate-2 (STEAP2) was a prevalent prostate cancer antigen that displayed high, homogeneous cell surface expression across all stages of disease with limited distal normal tissue expression, making it ideal for therapeutic targeting. A multifaceted lead generation approach enabled development of an armored STEAP2 chimeric antigen receptor T cell (CAR-T) therapeutic candidate, AZD0754. This CAR-T product was armored with a dominant-negative TGF-β type II receptor, bolstering its activity in the TGF-β-rich immunosuppressive environment of prostate cancer. AZD0754 demonstrated potent and specific cytotoxicity against antigen-expressing cells in vitro despite TGF-β-rich conditions. Further, AZD0754 enforced robust, dose-dependent in vivo efficacy in STEAP2-expressing cancer cell line-derived and patient-derived xenograft mouse models, and exhibited encouraging preclinical safety. Together, these data underscore the therapeutic tractability of STEAP2 in prostate cancer as well as build confidence in the specificity, potency, and tolerability of this potentially first-in-class CAR-T therapy.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Philip L. Martin
- Oncology Translational Medicine, Oncology R&D, AstraZeneca, Gaithersburg, Maryland, USA
| | - Clare E. Hoover
- Clinical Pathology Patient Safety, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Kenesha Riley
- Clinical Pathology Patient Safety, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Steve M. Sweet
- Oncology Translational Medicine, Oncology R&D, AstraZeneca, Gaithersburg, Maryland, USA
| | - David Chain
- Oncology Translational Medicine, Oncology R&D, AstraZeneca, Gaithersburg, Maryland, USA
| | - Yeoun Jin Kim
- Oncology Translational Medicine, Oncology R&D, AstraZeneca, Gaithersburg, Maryland, USA
| | - Eric Tu
- Oncology Translational Medicine, Oncology R&D, AstraZeneca, Gaithersburg, Maryland, USA
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12
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Nakamura H, Arihara Y, Takada K. Targeting STEAP1 as an anticancer strategy. Front Oncol 2023; 13:1285661. [PMID: 37909017 PMCID: PMC10613890 DOI: 10.3389/fonc.2023.1285661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/03/2023] [Indexed: 11/02/2023] Open
Abstract
Although the six-transmembrane epithelial antigen of prostate 1 (STEAP1) was first identified in advanced prostate cancer, its overexpression is recognized in multiple types of cancer and associated with a poor prognosis. STEAP1 is now drawing attention as a promising therapeutic target because of its tumor specificity and membrane-bound localization. The clinical efficacy of an antibody-drug conjugate targeting STEAP1 in metastatic, castration-resistant, prostate cancer was demonstrated in a phase 1 trial. Furthermore, growing evidence suggests that STEAP1 is an attractive target for immunotherapies such as chimeric antigen receptor-T cell therapy. In this review, we summarize the oncogenic functions of STEAP1 by cancer type. This review also provides new insights into the development of new anticancer strategies targeting STEAP1.
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Affiliation(s)
| | | | - Kohichi Takada
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
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13
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Rocha SM, Santos FM, Socorro S, Passarinha LA, Maia CJ. Proteomic analysis of STEAP1 knockdown in human LNCaP prostate cancer cells. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119522. [PMID: 37315586 DOI: 10.1016/j.bbamcr.2023.119522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 06/16/2023]
Abstract
Prostate cancer (PCa) continues to be one of the most common cancers in men worldwide. The six transmembrane epithelial antigen of the prostate 1 (STEAP1) protein is overexpressed in several types of human tumors, particularly in PCa. Our research group has demonstrated that STEAP1 overexpression is associated with PCa progression and aggressiveness. Therefore, understanding the cellular and molecular mechanisms triggered by STEAP1 overexpression will provide important insights to delineate new strategies for PCa treatment. In the present work, a proteomic strategy was used to characterize the intracellular signaling pathways and the molecular targets downstream of STEAP1 in PCa cells. A label-free approach was applied using an Orbitrap LC-MS/MS system to characterize the proteome of STEAP1-knockdown PCa cells. More than 6700 proteins were identified, of which a total of 526 proteins were found differentially expressed in scramble siRNA versus STEAP1 siRNA (234 proteins up-regulated and 292 proteins down-regulated). Bioinformatics analysis allowed us to explore the mechanism through which STEAP1 exerts influence on PCa, revealing that endocytosis, RNA transport, apoptosis, aminoacyl-tRNA biosynthesis, and metabolic pathways are the main biological processes where STEAP1 is involved. By immunoblotting, it was confirmed that STEAP1 silencing induced the up-regulation of cathepsin B, intersectin-1, and syntaxin 4, and the down-regulation of HRas, PIK3C2A, and DIS3. These findings suggested that blocking STEAP1 might be a suitable strategy to activate apoptosis and endocytosis, and diminish cellular metabolism and intercellular communication, leading to inhibition of PCa progression.
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Affiliation(s)
- Sandra M Rocha
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
| | - Fátima M Santos
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; Functional Proteomics Laboratory, Centro Nacional de Biotecnología (CNB-CSIC), Calle Darwin 3, Campus de Cantoblanco, 28029 Madrid, Spain
| | - Sílvia Socorro
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
| | - Luís A Passarinha
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal; UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal; Laboratório de Fármaco-Toxicologia-UBIMedical, Universidade da Beira Interior, 6201-284 Covilhã, Portugal
| | - Cláudio J Maia
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal.
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14
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Jang A, Lanka SM, Ruan HT, Kumar HLS, Jia AY, Garcia JA, Mian OY, Barata PC. Novel therapies for metastatic prostate cancer. Expert Rev Anticancer Ther 2023; 23:1251-1263. [PMID: 38030394 DOI: 10.1080/14737140.2023.2290197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/28/2023] [Indexed: 12/01/2023]
Abstract
INTRODUCTION Patients with metastatic prostate cancer, especially in the castrate-resistant setting, have a poor prognosis. Many agents have been approved for metastatic prostate cancer, such as androgen receptor pathway inhibitors, taxane-based chemotherapy, radiopharmaceuticals, and immunotherapy. However, prostate cancer remains the leading cause of cancer deaths in nonsmoking men. Fortunately, many more novel agents are under investigation. AREAS COVERED We provide an overview of the broad group of novel therapies for metastatic prostate cancer, with an emphasis on active and recruiting clinical trials that have been recently published and/or presented at national or international meetings. EXPERT OPINION The future for patients with metastatic prostate cancer is promising, with further development of novel therapies such as radiopharmaceuticals. Based on a growing understanding of prostate cancer biology, novel agents are being designed to overcome resistance to approved therapies. There are many trials using novel agents either as monotherapy or in combination with already approved agents with potential to further improve outcomes for men with advanced prostate cancer.
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Affiliation(s)
- Albert Jang
- Division of Solid Tumor Oncology, Department of Medicine, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center, Cleveland, OH, USA
| | - Sree M Lanka
- Deming Department of Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | - Hui Ting Ruan
- Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Case Comprehensive Cancer Center, Cleveland, OH, USA
| | - Hamsa L S Kumar
- Division of Solid Tumor Oncology, Department of Medicine, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center, Cleveland, OH, USA
| | - Angela Y Jia
- Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center, Cleveland, OH, USA
| | - Jorge A Garcia
- Division of Solid Tumor Oncology, Department of Medicine, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center, Cleveland, OH, USA
| | - Omar Y Mian
- Translational Hematology and Oncology Research, Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic, Case Comprehensive Cancer Center, Cleveland, OH, USA
| | - Pedro C Barata
- Division of Solid Tumor Oncology, Department of Medicine, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center, Cleveland, OH, USA
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15
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Zou X, Liu C, Huang Z, Xiang S, Li K, Yuan Y, Hao Y, Zhou F. Inhibition of STEAP1 ameliorates inflammation and ferroptosis of acute lung injury caused by sepsis in LPS-induced human pulmonary microvascular endothelial cells. Mol Biol Rep 2023:10.1007/s11033-023-08403-7. [PMID: 37209327 DOI: 10.1007/s11033-023-08403-7] [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: 09/29/2022] [Accepted: 03/23/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND Ferroptosis plays an important part in Acute lung injury (ALI) caused by sepsis. The six-transmembrane epithelial antigen of the prostate 1 (STEAP1) has potential effects on iron metabolism and inflammation but reports on its function in ferroptosis and sepsis-caused ALI are lacking. Here we explored the role of STEAP1 in sepsis-caused ALI and the possible mechanisms. METHODS AND RESULTS Lipopolysaccharide (LPS) was added to human pulmonary microvascular endothelial cells (HPMECs) to form the sepsis-caused ALI model in vitro. The Cecal ligation and puncture (CLP) experiment was performed on C57/B6J mice to form the sepsis-caused ALI model in vivo. The effect of STEAP1 on inflammation was investigated by PCR, ELISA, and Western blot for the inflammatory factors and adhesion molecular. The reactive oxygen species (ROS) levels were detected by immunofluorescence. The effect of STEAP1 on ferroptosis was investigated by detecting malondialdehyde (MDA) levels, glutathione (GSH) levels, Fe2+ levels, cell viability, and mitochondrial morphology. Our findings suggested that STEAP1 expression was increased in the sepsis-induced ALI models. Inhibition of STEAP1 decreased the inflammatory response and ROS production as well as MDA levels but increased the levels of Nrf2 and GSH. Meanwhile, inhibition of STEAP1 improved cell viability and restored mitochondrial morphology. Western Blot results showed that inhibition of STEAP1 could affect the SLC7A11/GPX4 axis. CONCLUSION Inhibition of STEAP1 may be valuable for pulmonary endothelial protection in lung injury caused by sepsis.
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Affiliation(s)
- Xuan Zou
- Department of Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Chang Liu
- Department of Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Zuotian Huang
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Song Xiang
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Kaili Li
- Department of Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Yuan Yuan
- Department of Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Yingting Hao
- Department of Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Fachun Zhou
- Department of Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China.
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16
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Bhatia V, Kamat NV, Pariva TE, Wu LT, Tsao A, Sasaki K, Sun H, Javier G, Nutt S, Coleman I, Hitchcock L, Zhang A, Rudoy D, Gulati R, Patel RA, Roudier MP, True LD, Srivastava S, Morrissey CM, Haffner MC, Nelson PS, Priceman SJ, Ishihara J, Lee JK. Targeting advanced prostate cancer with STEAP1 chimeric antigen receptor T cell and tumor-localized IL-12 immunotherapy. Nat Commun 2023; 14:2041. [PMID: 37041154 PMCID: PMC10090190 DOI: 10.1038/s41467-023-37874-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 04/04/2023] [Indexed: 04/13/2023] Open
Abstract
Six transmembrane epithelial antigen of the prostate 1 (STEAP1) is a cell surface antigen for therapeutic targeting in prostate cancer. Here, we report broad expression of STEAP1 relative to prostate-specific membrane antigen (PSMA) in lethal metastatic prostate cancers and the development of a STEAP1-directed chimeric antigen receptor (CAR) T cell therapy. STEAP1 CAR T cells demonstrate reactivity in low antigen density, antitumor activity across metastatic prostate cancer models, and safety in a human STEAP1 knock-in mouse model. STEAP1 antigen escape is a recurrent mechanism of treatment resistance and is associated with diminished tumor antigen processing and presentation. The application of tumor-localized interleukin-12 (IL-12) therapy in the form of a collagen binding domain (CBD)-IL-12 fusion protein combined with STEAP1 CAR T cell therapy enhances antitumor efficacy by remodeling the immunologically cold tumor microenvironment of prostate cancer and combating STEAP1 antigen escape through the engagement of host immunity and epitope spreading.
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Affiliation(s)
- Vipul Bhatia
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Nikhil V Kamat
- Division of Medical Oncology, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
| | - Tiffany E Pariva
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Li-Ting Wu
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Annabelle Tsao
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Koichi Sasaki
- Department of Bioengineering, Imperial College London, 86 Wood Lane, London, W12 0BZ, UK
| | - Huiyun Sun
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Gerardo Javier
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Sam Nutt
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Ilsa Coleman
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Lauren Hitchcock
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Ailin Zhang
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Dmytro Rudoy
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Roman Gulati
- Public Health Sciences Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Radhika A Patel
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Martine P Roudier
- Department of Urology, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
| | - Lawrence D True
- Department of Pathology and Laboratory Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
| | - Shivani Srivastava
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Colm M Morrissey
- Department of Urology, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
| | - Michael C Haffner
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Department of Pathology and Laboratory Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Peter S Nelson
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Division of Medical Oncology, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
- Public Health Sciences Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
- Department of Urology, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
- Department of Pathology and Laboratory Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Saul J Priceman
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, 1500 East Duarte Road, Duarte, CA, 91010, USA
- Department of Immuno-Oncology, Beckman Research Institute of City of Hope, 1500 East Duarte Road, Duarte, CA, 91010, USA
| | - Jun Ishihara
- Department of Bioengineering, Imperial College London, 86 Wood Lane, London, W12 0BZ, UK.
| | - John K Lee
- Human Biology Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA.
- Division of Medical Oncology, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA.
- Department of Pathology and Laboratory Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98195, USA.
- Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA.
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17
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Rocha SM, Nascimento D, Coelho RS, Cardoso AM, Passarinha LA, Socorro S, Maia CJ. STEAP1 Knockdown Decreases the Sensitivity of Prostate Cancer Cells to Paclitaxel, Docetaxel and Cabazitaxel. Int J Mol Sci 2023; 24:ijms24076643. [PMID: 37047621 PMCID: PMC10095014 DOI: 10.3390/ijms24076643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
The Six Transmembrane Epithelial Antigen of the Prostate 1 (STEAP1) protein has been indicated as an overexpressed oncoprotein in prostate cancer (PCa), associated with tumor progression and aggressiveness. Taxane-based antineoplastic drugs such as paclitaxel, docetaxel, or cabazitaxel, have been investigated in PCa treatment, namely for the development of combined therapies with the improvement of therapeutic effectiveness. This study aimed to evaluate the expression of STEAP1 in response to taxane-based drugs and assess whether the sensitivity of PCa cells to treatment with paclitaxel, docetaxel, or cabazitaxel may change when the STEAP1 gene is silenced. Thus, wild-type and STEAP1 knockdown LNCaP and C4-2B cells were exposed to paclitaxel, docetaxel or cabazitaxel, and STEAP1 expression, cell viability, and survival pathways were evaluated. The results obtained showed that STEAP1 knockdown or taxane-based drugs treatment significantly reduced the viability and survival of PCa cells. Relatively to the expression of proliferation markers and apoptosis regulators, LNCaP cells showed a reduced proliferation, whereas apoptosis was increased. However, the effect of paclitaxel, docetaxel, or cabazitaxel treatment was reversed when combined with STEAP1 knockdown. Besides, these chemotherapeutic drugs may stimulate the cell growth of PCa cells knocked down for STEAP1. In conclusion, this study demonstrated that STEAP1 expression levels might influence the response of PCa cells to chemotherapeutics drugs, indicating that the use of paclitaxel, docetaxel, or cabazitaxel may lead to harmful effects in PCa cells with decreased expression of STEAP1.
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Affiliation(s)
- Sandra M. Rocha
- CICS-UBI–Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
| | - Daniel Nascimento
- CICS-UBI–Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
| | - Rafaella S. Coelho
- CICS-UBI–Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
| | - Ana Margarida Cardoso
- CICS-UBI–Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
| | - Luís A. Passarinha
- CICS-UBI–Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal
- UCIBIO–Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal
- Laboratório de Fármaco-Toxicologia-UBIMedical, Universidade da Beira Interior, 6201-284 Covilhã, Portugal
| | - Sílvia Socorro
- CICS-UBI–Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
- C4-UBI—Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal
| | - Cláudio J. Maia
- CICS-UBI–Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
- C4-UBI—Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal
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18
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Li P, Wu X, Chen P, Gu Z. Prognostic Significance of Iron Metabolism Related Genes in Human Lung Adenocarcinoma. Cancer Manag Res 2023; 15:203-216. [PMID: 36860893 PMCID: PMC9968870 DOI: 10.2147/cmar.s398982] [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: 12/06/2022] [Accepted: 01/25/2023] [Indexed: 02/24/2023] Open
Abstract
Background Iron metabolism related genes participate in cell proliferation, cell growth, and redox cycling in multiple cancers. Limited studies have revealed the roles and clinical significance of iron metabolism in the pathogenesis and prognosis of lung cancer. Methods A total of 119 iron metabolism related genes were extracted from MSigDB database and their prognostic values were determined in The Cancer Genome Atlas lung adenocarcinoma (TCGA-LUAD) dataset and the Gene Expression Profiling Interactive Analysis 2 (GEPIA 2) database. Immunohistochemistry technique and correlations with immune cell infiltration, gene mutation and drug resistance were used to identify the potential and underlying mechanisms of STEAP1 and STEAP2 as prognostic biomarkers of LUAD. Results The expression of STEAP1 and STEAP2 are negatively associated with the prognosis of LUAD patients both at the mRNA and protein level. The expression of STEAP1 and STEAP2 was not only negatively correlated with the trafficking degree of CD4+ T immune cells and positively related to most immune cells' trafficking degree, but also significantly associated with gene mutation status, particularly with mutations on TP53 and STK11. Four types of drug resistance showed significant correlation with the expression level of STEAP1 while 13 types of drug resistance were associated with the expression level of STEAP2. Conclusion Multiple iron metabolism related genes including STEAP1 and STEAP2 are significantly associated with the prognosis of LUAD patients. STEAP1 and STEAP2 might affect the prognosis of LUAD patients partially through immune cell infiltration, gene mutation and drug resistance, which indicated they were independent prognostic factors for LUAD patients.
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Affiliation(s)
- Pu Li
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Xiaoqiong Wu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Peizhan Chen
- Clinical Research Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201821, People’s Republic of China,Peizhan Chen, Clinical Research Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201821, People’s Republic of China, Tel +86 13918550745, Email
| | - Zhidong Gu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China,Department of Laboratory Medicine, Ruijin-Hainan Hospital, Shanghai Jiao Tong University School of Medicine (Hainan Boao Research Hospital), Hainan, People’s Republic of China,Correspondence: Zhidong Gu, Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201821, People’s Republic of China, Tel +86 13801653534, Email
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19
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Han Y, He Y, Jin X, Xie J, Yu P, Gao G, Chang S, Zhang J, Chang YZ. CHIR99021 Maintenance of the Cell Stemness by Regulating Cellular Iron Metabolism. Antioxidants (Basel) 2023; 12:antiox12020377. [PMID: 36829936 PMCID: PMC9952287 DOI: 10.3390/antiox12020377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/19/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
CHIR99021 is an aminopyrimidine derivative, which can efficiently inhibit the activity of glycogen synthesis kinase 3α (GSK-3α) and GSK-3β. As an essential component of stem cell culture medium, it plays an important role in maintaining cell stemness. However, the mechanism of its role is not fully understood. In the present study, we first found that removal of CHIR99021 from embryonic stem cell culture medium reduced iron storage in mouse embryonic stem cells (mESCs). CHIR99021-treated Neuro-2a cells led to an upregulation of ferritin expression and an increase in intracellular iron levels, along with GSK3β inhibition and Wnt/GSK-3β/β-catenin pathway activation. In addition, iron treatment activated the classical Wnt pathway by affecting the expression of β-catenin in the Neuro-2a cells. Our data link the role of iron in the maintenance of cell stemness via the Wnt/GSK-3β/β-catenin signaling pathway, and identify intermediate molecules, including Steap1, Bola2, and Kdm6bos, which may mediate the upregulation of ferritin expression by CHIR99021. These findings reveal novel mechanisms of the maintenance of cell stemness and differentiation and provide a theoretical basis for the development of new strategies in stem cell treatment in disease.
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Affiliation(s)
- Yingying Han
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, Ministry of Education Key Laboratory of Molecular and Cellular Biology, College of Life Science, Hebei Normal University, Shijiazhuang 050024, China
| | - Yong He
- College of Basic Medical Sciences, Hebei Medical University, Shijiazhuang 050017, China
| | - Xiaofang Jin
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, Ministry of Education Key Laboratory of Molecular and Cellular Biology, College of Life Science, Hebei Normal University, Shijiazhuang 050024, China
| | - Jiayi Xie
- Department of Automatic, Tsinghua University, Beijing 100084, China
| | - Peng Yu
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, Ministry of Education Key Laboratory of Molecular and Cellular Biology, College of Life Science, Hebei Normal University, Shijiazhuang 050024, China
| | - Guofen Gao
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, Ministry of Education Key Laboratory of Molecular and Cellular Biology, College of Life Science, Hebei Normal University, Shijiazhuang 050024, China
| | - Shiyang Chang
- College of Basic Medical Sciences, Hebei Medical University, Shijiazhuang 050017, China
- Correspondence: (S.C.); (J.Z.); (Y.-Z.C.); Tel./Fax: +86-311-80787539 (Y.-Z.C.)
| | - Jianhua Zhang
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, Ministry of Education Key Laboratory of Molecular and Cellular Biology, College of Life Science, Hebei Normal University, Shijiazhuang 050024, China
- Correspondence: (S.C.); (J.Z.); (Y.-Z.C.); Tel./Fax: +86-311-80787539 (Y.-Z.C.)
| | - Yan-Zhong Chang
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, Ministry of Education Key Laboratory of Molecular and Cellular Biology, College of Life Science, Hebei Normal University, Shijiazhuang 050024, China
- Correspondence: (S.C.); (J.Z.); (Y.-Z.C.); Tel./Fax: +86-311-80787539 (Y.-Z.C.)
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20
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Development of a TGFβ-IL-2/15 Switch Receptor for Use in Adoptive Cell Therapy. Biomedicines 2023; 11:biomedicines11020459. [PMID: 36830995 PMCID: PMC9953633 DOI: 10.3390/biomedicines11020459] [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: 12/04/2022] [Revised: 01/27/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Therapy employing T cells modified with chimeric antigen receptors (CARs) is effective in hematological malignancies but not yet in solid cancers. CAR T cell activity in solid tumors is limited by immunosuppressive factors, including transforming growth factor β (TGFβ). Here, we describe the development of a switch receptor (SwR), in which the extracellular domains of the TGFβ receptor are fused to the intracellular domains from the IL-2/15 receptor. We evaluated the SwR in tandem with two variants of a CAR that we have developed against STEAP1, a protein highly expressed in prostate cancer. The SwR-CAR T cell activity was assessed against a panel of STEAP1+/- prostate cancer cell lines with or without over-expression of TGFβ, or with added TGFβ, by use of flow cytometry cytokine and killing assays, Luminex cytokine profiling, cell counts, and flow cytometry phenotyping. The results showed that the SwR-CAR constructs improved the functionality of CAR T cells in TGFβ-rich environments, as measured by T cell proliferation and survival, cytokine response, and cytotoxicity. In assays with four repeated target-cell stimulations, the SwR-CAR T cells developed an activated effector memory phenotype with retained STEAP1-specific activity. In conclusion, the SwR confers CAR T cells with potent and durable in vitro functionality in TGFβ-rich environments. The SwR may be used as an add-on construct for CAR T cells or other forms of adoptive cell therapy.
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21
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Mjaess G, Aoun F, Rassy E, Diamand R, Albisinni S, Roumeguère T. Antibody-Drug Conjugates in Prostate Cancer: Where Are we? Clin Genitourin Cancer 2023; 21:171-174. [PMID: 35999150 DOI: 10.1016/j.clgc.2022.07.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 02/01/2023]
Abstract
Antibody-drug conjugates (ADCs) reflect a new promising approach in prostate cancer, even more so after the practice-changing results in other malignancies, either hematologic or solid. ADCs consist of monoclonal antibodies (mAb) targeted at specific antigens overly expressed on cancer cells compared to normal cells. A cytotoxic payload is attached to the mAb using a stable linker. In prostate cancer, PSMA, STEAP1, TROP2, CD46 and B7-H3 are antigens currently being studied as targets for ADCs. In this paper, we discuss the composition of ADCs and focus on their application and challenges as treatment options in prostate cancer.
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Affiliation(s)
- Georges Mjaess
- Department of Urology, Hôpital Universitaire de Bruxelles, Brussels, Belgium.
| | - Fouad Aoun
- Department of Urology, Hotel-Dieu de France, Beirut, Lebanon
| | - Elie Rassy
- Department of Oncology, Gustave Roussy Institute, Paris, France
| | - Romain Diamand
- Department of Urology, Hôpital Universitaire de Bruxelles, Brussels, Belgium
| | - Simone Albisinni
- Department of Urology, Hôpital Universitaire de Bruxelles, Brussels, Belgium
| | - Thierry Roumeguère
- Department of Urology, Hôpital Universitaire de Bruxelles, Brussels, Belgium
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22
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Batista-Silva J, Gomes D, Barroca-Ferreira J, Gallardo E, Sousa Â, Passarinha LA. Specific Six-Transmembrane Epithelial Antigen of the Prostate 1 Capture with Gellan Gum Microspheres: Design, Optimization and Integration. Int J Mol Sci 2023; 24:ijms24031949. [PMID: 36768273 PMCID: PMC9916199 DOI: 10.3390/ijms24031949] [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: 12/09/2022] [Revised: 01/13/2023] [Accepted: 01/14/2023] [Indexed: 01/20/2023] Open
Abstract
This work demonstrates the potential of calcium- and nickel-crosslinked Gellan Gum (GG) microspheres to capture the Six-Transmembrane Epithelial Antigen of the Prostate 1 (STEAP1) directly from complex Komagataella pastoris mini-bioreactor lysates in a batch method. Calcium-crosslinked microspheres were applied in an ionic exchange strategy, by manipulation of pH and ionic strength, whereas nickel-crosslinked microspheres were applied in an affinity strategy, mirroring a standard immobilized metal affinity chromatography. Both formulations presented small diameters, with appreciable crosslinker content, but calcium-crosslinked microspheres were far smoother. The most promising results were obtained for the ionic strategy, wherein calcium-crosslinked GG microspheres were able to completely bind 0.1% (v/v) DM solubilized STEAP1 in lysate samples (~7 mg/mL). The target protein was eluted in a complexed state at pH 11 with 500 mM NaCl in 10 mM Tris buffer, in a single step with minimal losses. Coupling the batch clarified sample with a co-immunoprecipitation polishing step yields a sample of monomeric STEAP1 with a high degree of purity. For the first time, we demonstrate the potential of a gellan batch method to function as a clarification and primary capture method towards STEAP1, a membrane protein, simplifying and reducing the costs of standard purification workflows.
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Affiliation(s)
- João Batista-Silva
- CICS-UBI–Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Diana Gomes
- CICS-UBI–Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal
- Associate Laboratory i4HB–Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
- UCIBIO–Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - Jorge Barroca-Ferreira
- CICS-UBI–Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal
- Associate Laboratory i4HB–Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
- UCIBIO–Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - Eugénia Gallardo
- CICS-UBI–Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal
- Laboratório de Fármaco-Toxicologia–UBIMedical, University of Beira Interior, 6201-284 Covilhã, Portugal
| | - Ângela Sousa
- CICS-UBI–Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Luís A. Passarinha
- CICS-UBI–Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal
- Associate Laboratory i4HB–Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
- UCIBIO–Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
- Laboratório de Fármaco-Toxicologia–UBIMedical, University of Beira Interior, 6201-284 Covilhã, Portugal
- Correspondence: ; Tel.: +351-275-329-069
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23
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Rocha SM, Nascimento D, Cardoso AM, Passarinha L, Socorro S, Maia CJ. STEAP1 regulation and its influence modulating the response of LNCaP prostate cancer cells to bicalutamide, enzalutamide and apalutamide. Mol Med Rep 2023; 27:52. [PMID: 36660947 PMCID: PMC9879076 DOI: 10.3892/mmr.2023.12939] [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: 08/23/2022] [Accepted: 10/25/2022] [Indexed: 01/15/2023] Open
Abstract
Anti‑androgen drugs are the standard pharmacological therapies for treatment of non‑metastatic prostate cancer (PCa). However, the response of PCa cells may depend on the anti‑androgen used and often patients become resistant to treatment. Thus, studying how the anti‑androgen drugs affect oncogenes expression and action and the identification of the best strategy for combined therapies are essential to improve the efficacy of treatments. The Six Transmembrane Epithelial Antigen of the Prostate 1 (STEAP1) is an oncogene associated with PCa progression and aggressiveness, although its relationship with the androgen receptor signaling remains to be elucidated. The present study aimed to evaluate the effect of anti‑androgens in regulating STEAP1 expression and investigate whether silencing STEAP1 can make PCa cells more sensitive to anti‑androgen drugs. For this purpose, wild‑type and STEAP1 knockdown LNCaP cells were exposed to bicalutamide, enzalutamide and apalutamide. Bicalutamide decreased the expression of STEAP1, but enzalutamide and apalutamide increased its expression. However, decreased cell proliferation and increased apoptosis was observed in response to all drugs. Overall, the cellular and molecular effects were similar between LNCaP wild‑type and LNCaP‑STEAP1 knockdown cells, except for c‑myc expression levels, where a cumulative effect between anti‑androgen treatment and STEAP1 knockdown was observed. The effect of STEAP1 knockdown alone or combined with anti‑androgens in c‑myc levels is required to be addressed in future studies.
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Affiliation(s)
- Sandra M. Rocha
- CICS-UBI-Health Sciences Research Center, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Daniel Nascimento
- CICS-UBI-Health Sciences Research Center, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Ana Margarida Cardoso
- CICS-UBI-Health Sciences Research Center, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Luís Passarinha
- CICS-UBI-Health Sciences Research Center, University of Beira Interior, 6201-506 Covilhã, Portugal,Associate Laboratory i4HB-Institute for Health and Bioeconomy, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal,UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal,Laboratório de Fármaco-Toxicologia-UBIMedical, Universidade da Beira Interior, 6201-284 Covilhã, Portugal
| | - Sílvia Socorro
- CICS-UBI-Health Sciences Research Center, University of Beira Interior, 6201-506 Covilhã, Portugal,C4-UBI-Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal
| | - Cláudio J. Maia
- CICS-UBI-Health Sciences Research Center, University of Beira Interior, 6201-506 Covilhã, Portugal,C4-UBI-Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal,Correspondence to: Professor Cláudio J. Maia, CICS-UBI-Health Sciences Research Center, University of Beira Interior, Av. Infante D. Henrique, 6201-506 Covilhã, Portugal, E-mail:
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24
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Zhang D, Liu H, Wang W, Xu G, Yin C, Wang S. STEAP2 promotes osteosarcoma progression by inducing epithelial-mesenchymal transition via the PI3K/AKT/mTOR signaling pathway and is regulated by EFEMP2. Cancer Biol Ther 2022; 23:1-16. [PMID: 36316642 PMCID: PMC9629848 DOI: 10.1080/15384047.2022.2136465] [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] [Indexed: 11/07/2022] Open
Abstract
This study was designed to explore the prognostic significance and functionality of STEAP2 (six-transmembrane epithelial antigen of prostate 2) in osteosarcomas and determine whether EFEMP2 (Epidermal growth factor-containing fibulin-like extracellular matrix protein 2) targets STEAP2 to facilitate osteosarcoma cell infiltration and migration. STEAP2 expression in peritumoral tissues, osteosarcoma, benign fibrous dysplasia, osteosarcoma cells, normal osteoblastic hFOB cells, and various invasive subclones was evaluated using IHC, ICC, and qRT-PCR. We also evaluated the association between STEAP2 expression and disease outcome using Kaplan-Meier analyses and then investigated STEAP2 regulation and its functional effects using both in vitro and in vivo assays. The results revealed that the upregulation of STEAP2 in osteosarcoma tissues positively correlated with both the malignant osteosarcoma phenotype and poor patient outcomes. In addition, STEAP2 expression induced epithelial-mesenchymal transition (EMT) via the PI3K/AKT/mTOR axis and facilitated osteosarcoma cell infiltration and migration. Changes in EFEMP2 expression resulted in correlating changes in STEAP2 expression, with EFEMP2-overexpressing osteosarcoma cells exhibiting a less invasive phenotype and reduced EMT following STEAP2 inhibition. It is also worth noting that although EFEMP2 overexpression activated the PI3K/AKT/mTOR pathway promoting EMT, it did not affect osteosarcoma cells in which STEAP2 or Akt was knocked down. Thus, we can conclude that STEAP2 acts as an oncogene in osteosarcoma progression, while EFEMP2 enables PI3K/AKT/mTOR axis initiation and EMT by partly targeting STEAP2, thereby facilitating osteosarcoma cell infiltration and migration.
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Affiliation(s)
- Dong Zhang
- Department of Orthopedics, Suzhou Hospital of Anhui Medical University, Suzhou, P.R. China
| | - Haitao Liu
- Department of Orthopedics, Xiangcheng No. 2 People’s Hospital, Suzhou, P.R. China
| | - Weihua Wang
- Department of Orthopedics, Xiangcheng No. 2 People’s Hospital, Suzhou, P.R. China
| | - Gang Xu
- Department of Orthopedics, Xiangcheng No. 2 People’s Hospital, Suzhou, P.R. China
| | - Chenxiao Yin
- Department of Orthopedics, Xiangcheng No. 2 People’s Hospital, Suzhou, P.R. China
| | - Songgang Wang
- Department of Orthopedics, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China,CONTACT Songgang Wang Department of Orthopedics, Qilu Hospital, Cheeloo College of Medicine, Shandong University, 44 Wenhua Xilu, Jinan, Shandong250012, China
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25
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Ni JJ, Li XS, Zhang H, Xu Q, Wei XT, Feng GJ, Zhao M, Zhang ZJ, Zhang L, Shen GH, Li B. Mendelian randomization study of causal link from gut microbiota to colorectal cancer. BMC Cancer 2022; 22:1371. [PMID: 36585646 PMCID: PMC9804960 DOI: 10.1186/s12885-022-10483-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
Recent studies have shown the relevance of gut microbiota in the occurrence and development of colorectal cancer (CRC), but the causal relationship remains unclear in the human population. The present study aims to assess the causal relationship from the gut microbiota to CRC and to identify specific causal microbe taxa via genome-wide association study (GWAS) summary statistics based two-sample Mendelian randomization (MR) analyses. Microbiome GWAS (MGWAS) in the TwinsUK 1,126 twin pairs was used as discovery exposure sample, and MGWAS in 1,812 northern German participants was used as replication exposure sample. GWAS of CRC in 387,156 participants from the UK Biobank (UKB) was used as the outcome sample. Bacteria were grouped into taxa features at both family and genus levels. In the discovery sample, a total of 30 bacteria features including 15 families and 15 genera were analyzed. Five features, including 2 families (Verrucomicrobiaceae and Enterobacteriaceae) and 3 genera (Akkermansia, Blautia, and Ruminococcus), were nominally significant. In the replication sample, the genus Blautia (discovery beta=-0.01, P = 0.04) was successfully replicated (replication beta=-0.18, P = 0.01) with consistent effect direction. Our findings identified genus Blautia that was causally associated with CRC, thus offering novel insights into the microbiota-mediated CRC development mechanism.
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Affiliation(s)
- Jing-Jing Ni
- Department of General Surgery, Suzhou Ninth Hospital Affiliated to Soochow University, 2666 Lu-dang Rd., Wujiang District, Jiangsu, 215200, Suzhou, China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, Jiangsu, China
- Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, 199 Ren-ai Rd., Jiangsu, 215123, Suzhou, China
| | - Xiao-Song Li
- Department of General Surgery, Suzhou Ninth Hospital Affiliated to Soochow University, 2666 Lu-dang Rd., Wujiang District, Jiangsu, 215200, Suzhou, China
| | - Hong Zhang
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, Jiangsu, China
- Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, 199 Ren-ai Rd., Jiangsu, 215123, Suzhou, China
| | - Qian Xu
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, Jiangsu, China
- Department of Epidemiology and Health Statistics, School of Public Health, Medical College of Soochow University, Jiangsu, China
| | - Xin-Tong Wei
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, Jiangsu, China
- Department of Epidemiology and Health Statistics, School of Public Health, Medical College of Soochow University, Jiangsu, China
| | - Gui-Juan Feng
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, Jiangsu, China
- Department of Epidemiology and Health Statistics, School of Public Health, Medical College of Soochow University, Jiangsu, China
| | - Min Zhao
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, Jiangsu, China
- Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, 199 Ren-ai Rd., Jiangsu, 215123, Suzhou, China
| | - Zi-Jia Zhang
- Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
- Inner Mongolia Autonomous Region People's Hospital, Hohhot, Inner Mongolia, China
| | - Lei Zhang
- Department of General Surgery, Suzhou Ninth Hospital Affiliated to Soochow University, 2666 Lu-dang Rd., Wujiang District, Jiangsu, 215200, Suzhou, China.
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, Jiangsu, China.
- Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, 199 Ren-ai Rd., Jiangsu, 215123, Suzhou, China.
| | - Gen-Hai Shen
- Department of General Surgery, Suzhou Ninth Hospital Affiliated to Soochow University, 2666 Lu-dang Rd., Wujiang District, Jiangsu, 215200, Suzhou, China.
| | - Bin Li
- Department of General Surgery, Suzhou Ninth Hospital Affiliated to Soochow University, 2666 Lu-dang Rd., Wujiang District, Jiangsu, 215200, Suzhou, China.
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26
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Zhang D, Han S, Pan X, Li H, Zhao H, Gao X, Wang S. EFEMP1 binds to STEAP1 to promote osteosarcoma proliferation and invasion via the Wnt/β-catenin and TGF-β/Smad2/3 signal pathways. J Bone Oncol 2022; 37:100458. [DOI: 10.1016/j.jbo.2022.100458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 10/21/2022] [Accepted: 10/24/2022] [Indexed: 11/08/2022] Open
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27
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A chromatographic network for the purification of detergent-solubilized six-transmembrane epithelial antigen of the prostate 1 from Komagataella pastoris mini-bioreactor lysates. J Chromatogr A 2022; 1685:463576. [DOI: 10.1016/j.chroma.2022.463576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/04/2022] [Accepted: 10/16/2022] [Indexed: 11/06/2022]
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28
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Carlson AL, Carrazco-Carrillo J, Loder A, Elkhadragy L, Schachtschneider KM, Padilla-Benavides T. The Oncopig as an Emerging Model to Investigate Copper Regulation in Cancer. Int J Mol Sci 2022; 23:14012. [PMID: 36430490 PMCID: PMC9697225 DOI: 10.3390/ijms232214012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/03/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
Emerging evidence points to several fundamental contributions that copper (Cu) has to promote the development of human pathologies such as cancer. These recent and increasing identification of the roles of Cu in cancer biology highlights a promising field in the development of novel strategies against cancer. Cu and its network of regulatory proteins are involved in many different contextual aspects of cancer from driving cell signaling, modulating cell cycle progression, establishing the epithelial-mesenchymal transition, and promoting tumor growth and metastasis. Human cancer research in general requires refined models to bridge the gap between basic science research and meaningful clinical trials. Classic studies in cultured cancer cell lines and animal models such as mice and rats often present caveats when extended to humans due to inherent genetic and physiological differences. However, larger animal models such as pigs are emerging as more appropriate tools for translational research as they present more similarities with humans in terms of genetics, anatomical structures, organ sizes, and pathological manifestations of diseases like cancer. These similarities make porcine models well-suited for addressing long standing questions in cancer biology as well as in the arena of novel drug and therapeutic development against human cancers. With the emergent roles of Cu in human health and pathology, the pig presents an emerging and valuable model to further investigate the contributions of this metal to human cancers. The Oncopig Cancer Model is a transgenic swine model that recapitulates human cancer through development of site and cell specific tumors. In this review, we briefly outline the relationship between Cu and cancer, and how the novel Oncopig Cancer Model may be used to provide a better understanding of the mechanisms and causal relationships between Cu and molecular targets involved in cancer.
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Affiliation(s)
- Alyssa L. Carlson
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, CT 06459, USA
| | - Jaime Carrazco-Carrillo
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, CT 06459, USA
| | - Aaron Loder
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, CT 06459, USA
| | - Lobna Elkhadragy
- Department of Radiology, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Kyle M. Schachtschneider
- Department of Radiology, University of Illinois at Chicago, Chicago, IL 60607, USA
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, IL 60607, USA
- National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL 61820, USA
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29
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Li X, Zhang H, Wang Y, Li Y, Xiong Y, Li R, Zhu J, Lin Y. Overexpression of goat STEAP4 promotes the differentiation of subcutaneous adipocytes. Arch Anim Breed 2022; 65:397-406. [PMID: 36415757 PMCID: PMC9673034 DOI: 10.5194/aab-65-397-2022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 10/11/2022] [Indexed: 07/30/2023] Open
Abstract
Objective: The focus of this study was the six-transmembrane epithelial antigen of the prostate 4 (STEAP4) gene, on the basis of the cloned goat STEAP4 gene sequence. Its molecular and expression characteristics were analyzed, and its influence on the differentiation of goat subcutaneous adipocytes was explored through overexpression. Method: Reverse-transcription PCR (RT-PCR) was used to clone the goat STEAP4 sequence, and online tools were used to analyze the molecular characteristic. Real-time quantitative PCR (qPCR) was used to detect the expression level of STEAP4 in goat tissues and subcutaneous adipocyte differentiation. Liposome transfection, BODIPY, Oil Red O staining, and qPCR were used to explore the effect of overexpression of STEAP4 on adipocyte differentiation. Results: The cloned goat STEAP4 gene sequence was 1388 bp, and the complete coding sequence (CDS) region was 1197 bp, which encoded a total of 398 amino acids. Compared with the predicted sequence (XM_005679300.3), there were three base mutations in the CDS region of goat STEAP4, A188G, T281C, and A507G. Among them, A507G changed the amino acid at position 170 from Ile to Val. Analysis of the physical and chemical properties of the protein showed that STEAP4 was a stable hydrophilic basic protein. STEAP4 gene expression level was highest in goat liver tissue ( P < 0.01 ), followed by lung and back subcutaneous adipose tissue. STEAP4 showed different expression levels in goat subcutaneous adipocytes at different times during the induction of differentiation. The expression in the late stage of differentiation was higher than that before differentiation and lowest at 12 h ( P < 0.01 ). Overexpression of STEAP4 promoted the accumulation of intracellular lipid droplets; C/EBP β (CCAAT enhancer binding protein) was extremely significantly up-regulated ( P < 0.01 ), and aP2 (fatty acid binding protein) was significantly up-regulated ( P < 0.05 ). Conclusion: Overexpression of STEAP4 could promote the differentiation of goat subcutaneous preadipocytes. This study lays the foundation for an in-depth study of the role of STEAP4 in goat lipid deposition.
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Affiliation(s)
- Xin Li
- College of Animal &Veterinary Sciences, Southwest Minzu University,
Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal
Genetic Resource Protection and Utilization of Ministry of Education/Sichuan
Province, Southwest Minzu University, Chengdu 610041, China
| | - Hao Zhang
- College of Animal &Veterinary Sciences, Southwest Minzu University,
Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal
Genetic Resource Protection and Utilization of Ministry of Education/Sichuan
Province, Southwest Minzu University, Chengdu 610041, China
| | - Yong Wang
- College of Animal &Veterinary Sciences, Southwest Minzu University,
Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal
Genetic Resource Protection and Utilization of Ministry of Education/Sichuan
Province, Southwest Minzu University, Chengdu 610041, China
| | - Yanyan Li
- College of Animal &Veterinary Sciences, Southwest Minzu University,
Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal
Genetic Resource Protection and Utilization of Ministry of Education/Sichuan
Province, Southwest Minzu University, Chengdu 610041, China
| | - Yan Xiong
- College of Animal &Veterinary Sciences, Southwest Minzu University,
Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal
Genetic Resource Protection and Utilization of Ministry of Education/Sichuan
Province, Southwest Minzu University, Chengdu 610041, China
| | - Ruiwen Li
- Chengdu
Women's and Children's Central Hospital, School of Medicine, University of
Electronic Science and Technology of China, Chengdu 611731, China
| | - Jiangjiang Zhu
- Key Laboratory of Qinghai-Tibetan Plateau Animal
Genetic Resource Protection and Utilization of Ministry of Education/Sichuan
Province, Southwest Minzu University, Chengdu 610041, China
| | - Yaqiu Lin
- College of Animal &Veterinary Sciences, Southwest Minzu University,
Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal
Genetic Resource Protection and Utilization of Ministry of Education/Sichuan
Province, Southwest Minzu University, Chengdu 610041, China
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30
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The Role of Radiolabeled Monoclonal Antibodies in Cancer Imaging and ADC Treatment. Cancer J 2022; 28:446-453. [DOI: 10.1097/ppo.0000000000000625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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31
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Jin Y, Lorvik KB, Jin Y, Beck C, Sike A, Persiconi I, Kvaløy E, Saatcioglu F, Dunn C, Kyte JA. Development of STEAP1 targeting chimeric antigen receptor for adoptive cell therapy against cancer. Mol Ther Oncolytics 2022; 26:189-206. [PMID: 35860008 PMCID: PMC9278049 DOI: 10.1016/j.omto.2022.06.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 06/17/2022] [Indexed: 10/29/2022] Open
Abstract
Chimeric antigen receptors (CARs) that retarget T cells against CD19 show clinical efficacy against B cell malignancies. Here, we describe the development of a CAR against the six-transmembrane epithelial antigen of prostate-1 (STEAP1), which is expressed in ∼90% of prostate cancers, and subgroups of other malignancies. STEAP1 is an attractive target, as it is associated with tumor invasiveness and progression and only expressed at low levels in normal tissues, apart from the non-vital prostate gland. We identified the antibody coding sequences from a hybridoma and designed a CAR that is efficiently expressed in primary T cells. The T cells acquired the desired anti-STEAP1 specificity, with a polyfunctional response including production of multiple cytokines, proliferation, and the killing of cancer cells. The response was observed for both CD4+ and CD8+ T cells, and against all STEAP1+ target cell lines tested. We evaluated the in vivo CAR T activity in both subcutaneous and metastatic xenograft mouse models of prostate cancer. Here, the CAR T cells infiltrated tumors and significantly inhibited tumor growth and extended survival in a STEAP1-dependent manner. We conclude that the STEAP1 CAR exhibits potent in vitro and in vivo functionality and can be further developed toward potential clinical use.
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Affiliation(s)
- Yixin Jin
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Kristina Berg Lorvik
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Yang Jin
- Institute for Cancer Genetics and Informatics, Oslo University Hospital, Oslo, Norway
| | - Carole Beck
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Adam Sike
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Irene Persiconi
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Emilie Kvaløy
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Fahri Saatcioglu
- Institute for Cancer Genetics and Informatics, Oslo University Hospital, Oslo, Norway.,Department of Biosciences, University of Oslo, Oslo, Norway
| | - Claire Dunn
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway
| | - Jon Amund Kyte
- Department of Cancer Immunology, Institute for Cancer Research, Radiumhospitalet, Oslo University Hospital, Mail Box 4950 Nydalen, 0424 Oslo, Norway.,Department of Clinical Cancer Research, Oslo University Hospital, Oslo, Norway
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Fang ZX, Li CL, Chen WJ, Wu HT, Liu J. Potential of six-transmembrane epithelial antigen of the prostate 4 as a prognostic marker for colorectal cancer. World J Gastrointest Oncol 2022; 14:1675-1688. [PMID: 36187390 PMCID: PMC9516649 DOI: 10.4251/wjgo.v14.i9.1675] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/23/2022] [Accepted: 08/05/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Immune cells play a role in the regulation of tumor cell behavior, and accumulating evidence supports their significance in predicting outcomes and therapeutic efficacy in colorectal cancers (CRC). Human six-transmembrane epithelial antigen of the prostate (STEAP) proteins have been recognized and utilized as promising targets for cell- and antibody-based immunotherapy. One STEAP family member, STEAP4, is expected to be an attractive biomarker for the immunotherapy of prostate and breast cancer. However, the immunotherapeutic role of STEAP4 for colorectal carcinomas has not been demonstrated.
AIM To explore the expression pattern of STEAPs in CRC and their relationship with immune infiltration, and investigate the potential utilization of STEAPs as novel prognostic indicators in colorectal carcinomas.
METHODS The expression level of STEAPs in CRC was evaluated using various open-resource databases and online tools to explore the expression characteristics and prognostic significance of STEAPs, as well as their correlation with immune-related biomarkers, such as immune infiltration. Immunohistochemical (IHC) experiments were subsequently performed to verify the database conclusions.
RESULTS The levels of STEAPs in CRC were inconsistent. The expression of STEAPs 1-3 in CRC was not significantly different from that in normal tissues. However, STEAP4 mRNA levels were significantly lower in CRC than in normal tissue and were positively correlated with immune-related biomarkers, such as immune cell infiltration, immune stimulation, major histocompatibility complex levels, and chemokines. Interestingly, the expression of STEAP4 in microsatellite instability-high CRC subtype was higher than that in microsatellite stability subtype. IHC staining was performed on colon cancer tissue samples and showed that high expression of STEAP4 in adjacent tissues positively correlated with immune-related biomarkers, including MLH1, MLH6, and PMS2, but negatively correlated with programmed death ligand 1, to varying degrees.
CONCLUSION Our results provide an analysis of the expression of STEAP family members in CRC. Among different STEAP family members, STEAP4 plays a different role in CRC compared to STEAPs 1-3. In CRC, STEAP4 expression is not only lower than that in normal tissues, but it is also positively correlated with immune infiltration and immune-related biomarkers. These findings suggest that STEAP4 may be a potential biomarker for predicting CRC immune infiltration status.
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Affiliation(s)
- Ze-Xuan Fang
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Chun-Lan Li
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Wen-Jia Chen
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Hua-Tao Wu
- Department of General Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Jing Liu
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
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Kim HY, Yoo YH. The Role of STAMP2 in Pathogenesis of Chronic Diseases Focusing on Nonalcoholic Fatty Liver Disease: A Review. Biomedicines 2022; 10:biomedicines10092082. [PMID: 36140186 PMCID: PMC9495648 DOI: 10.3390/biomedicines10092082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/16/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a major health issue. NAFLD can progress from simple hepatic steatosis to nonalcoholic steatohepatitis (NASH). NASH can progress to cirrhosis or hepatocellular carcinoma. Unfortunately, there is no currently approved pharmacologic therapy for NAFLD patients. The six transmembrane protein of prostate 2 (STAMP2), a metalloreductase involved in iron and copper homeostasis, is well known for its critical role in the coordination of glucose/lipid metabolism and inflammation in metabolic tissues. We previously demonstrated that hepatic STAMP2 could be a suitable therapeutic target for NAFLD. In this review, we discuss the emerging role of STAMP2 in the dysregulation of iron metabolism events leading to NAFLD and suggest therapeutic strategies targeting STAMP2.
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STEAP1-4 (Six-Transmembrane Epithelial Antigen of the Prostate 1-4) and Their Clinical Implications for Prostate Cancer. Cancers (Basel) 2022; 14:cancers14164034. [PMID: 36011027 PMCID: PMC9406800 DOI: 10.3390/cancers14164034] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary Despite recent therapeutic advances in the treatment of prostate cancer, metastatic castration-resistant prostate cancer continues to cause significant morbidity and mortality. New research into highly expressed proteins in metastatic castration-resistant prostate cancer shows that Six-Transmembrane Epithelial Antigen of the Prostate 1–4 (STEAP1–4) are significant drivers of prostate cancer aggressiveness and metastasis. STEAP1, in particular, is highly expressed on the plasma membrane of prostate cancer cells and has received significant attention as a potential therapeutic target. This review highlights what is known about STEAP1–4 and identifies knowledge gaps that require further research. Abstract Six-Transmembrane Epithelial Antigen of the Prostate 1–4 (STEAP1–4) compose a family of metalloproteinases involved in iron and copper homeostasis and other cellular processes. Thus far, five homologs are known: STEAP1, STEAP1B, STEAP2, STEAP3, and STEAP4. In prostate cancer, STEAP1, STEAP2, and STEAP4 are overexpressed, while STEAP3 expression is downregulated. Although the metalloreductase activities of STEAP1–4 are well documented, their other biological functions are not. Furthermore, the properties and expression levels of STEAP heterotrimers, homotrimers, heterodimers, and homodimers are not well understood. Nevertheless, studies over the last few decades have provided sufficient impetus to investigate STEAP1–4 as potential biomarkers and therapeutic targets for prostate cancer. In particular, STEAP1 is the target of many emerging immunotherapies. Herein, we give an overview of the structure, physiology, and pathophysiology of STEAP1–4 to provide context for past and current efforts to translate STEAP1–4 into the clinic.
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Ongaba T, Ndekezi C, Nakiddu N. A Molecular Docking Study of Human STEAP2 for the Discovery of New Potential Anti-Prostate Cancer Chemotherapeutic Candidates. FRONTIERS IN BIOINFORMATICS 2022; 2:869375. [PMID: 36304279 PMCID: PMC9580961 DOI: 10.3389/fbinf.2022.869375] [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: 02/04/2022] [Accepted: 04/13/2022] [Indexed: 12/24/2022] Open
Abstract
Prostate cancer is a rising health concern and accounts for 3.8% of all cancer deaths globally. Uganda has one of the highest incidence rates of the disease in Africa at 5.2% with the majority of diagnosed patients found to have advanced disease. This study aimed to use the STEAP2 protein (prostate cancer-specific biomarker) for the discovery of new targeted therapy. To determine the most likely compound that can bind to the STEAP2 protein, we docked the modeled STEAP2 3D structure against 2466 FDA (Food and Drug Administration)-approved drug candidates using AutoDock Vina. Protein basic local alignment search tool (BLASTp) search, multiple sequence alignment (MSA), and phylogenetics were further carried out to analyze the diversity of this marker and determine its conserved domains as suitable target regions. Six promising drug candidates (ligands) were identified. Triptorelin had the highest binding energy (-12.1 kcal/mol) followed by leuprolide (docking energy: -11.2 kcal/mol). All the top two drug candidates interacted with residues Ser-372 and Gly-369 in close proximity with the iron-binding domain (an important catalyst of metal reduction). The two drugs had earlier been approved for the treatment of advanced prostate cancer with an elusive mode of action. Through this study, further insight into figuring out their interaction with STEAP2 might be important during treatment.
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Affiliation(s)
- Timothy Ongaba
- Department of Biomolecular Resources and Biolaboratory Sciences, College of Veterinary Medicine, Animal Resources and Biosecurity (CoVAB), Makerere University, Kampala, Uganda
| | - Christian Ndekezi
- Department of Biomolecular Resources and Biolaboratory Sciences, College of Veterinary Medicine, Animal Resources and Biosecurity (CoVAB), Makerere University, Kampala, Uganda
- Uganda Virus Research Institute, Entebbe, Uganda
| | - Nana Nakiddu
- Joint Clinical Research Centre, Kampala, Uganda
- College of Health Sciences (CHS), Makerere University, Kampala, Uganda
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36
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Shin HG, Yang HR, Yoon A, Lee S. Bispecific Antibody-Based Immune-Cell Engagers and Their Emerging Therapeutic Targets in Cancer Immunotherapy. Int J Mol Sci 2022; 23:5686. [PMID: 35628495 PMCID: PMC9146966 DOI: 10.3390/ijms23105686] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 12/16/2022] Open
Abstract
Cancer is the second leading cause of death worldwide after cardiovascular diseases. Harnessing the power of immune cells is a promising strategy to improve the antitumor effect of cancer immunotherapy. Recent progress in recombinant DNA technology and antibody engineering has ushered in a new era of bispecific antibody (bsAb)-based immune-cell engagers (ICEs), including T- and natural-killer-cell engagers. Since the first approval of blinatumomab by the United States Food and Drug Administration (US FDA), various bsAb-based ICEs have been developed for the effective treatment of patients with cancer. Simultaneously, several potential therapeutic targets of bsAb-based ICEs have been identified in various cancers. Therefore, this review focused on not only highlighting the action mechanism, design and structure, and status of bsAb-based ICEs in clinical development and their approval by the US FDA for human malignancy treatment, but also on summarizing the currently known and emerging therapeutic targets in cancer. This review provides insights into practical considerations for developing next-generation ICEs.
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Affiliation(s)
- Ha Gyeong Shin
- Department of Biopharmaceutical Chemistry, College of Science and Technology, Kookmin University, Seoul 02707, Korea; (H.G.S.); (H.R.Y.)
| | - Ha Rim Yang
- Department of Biopharmaceutical Chemistry, College of Science and Technology, Kookmin University, Seoul 02707, Korea; (H.G.S.); (H.R.Y.)
| | - Aerin Yoon
- R&D Division, GC Biopharma, Yongin 16924, Korea
| | - Sukmook Lee
- Department of Biopharmaceutical Chemistry, College of Science and Technology, Kookmin University, Seoul 02707, Korea; (H.G.S.); (H.R.Y.)
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Korea
- Antibody Research Institute, Kookmin University, Seoul 02707, Korea
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Hayashi T, Hinata N. Current status and future prospects of antibody-drug conjugates in urological malignancies. Int J Urol 2022; 29:1100-1108. [PMID: 35581739 DOI: 10.1111/iju.14925] [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: 01/13/2022] [Accepted: 04/25/2022] [Indexed: 12/16/2022]
Abstract
Antibody-drug conjugates represent a promising new treatment option that uses the targeting ability of an antibody to deliver cytotoxic drugs directly to tumors. Antibody-drug conjugates provide the opportunity to deliver drugs to antigen-expressing cancer cells while minimizing toxicity to normal tissue, achieving wider therapeutic windows. To date, three antibody-drug conjugates have been approved by the US Food and Drug Administration, and many antibody-drug conjugates are under clinical development for urological malignancies. In this paper, we review the mechanism, history, and development of antibody-drug conjugates, and review the current landscape of antibody-drug conjugates in urological malignancies including 12 targets and 18 antibody-drug conjugates in prostate cancer, renal cancer, and urothelial cancer. Furthermore, we review the rational combination of antibody-drug conjugates with immune checkpoint inhibitors and consider future prospects to enhance the therapeutic activity of antibody-drug conjugates in urological malignancies.
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Affiliation(s)
- Tetsutaro Hayashi
- Department of Urology, Hiroshima University Graduate School of Biomedical and Health Science, Hiroshima, Japan
| | - Nobuyuki Hinata
- Department of Urology, Hiroshima University Graduate School of Biomedical and Health Science, Hiroshima, Japan
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38
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Antibody-Drug Conjugates in Uro-Oncology. Target Oncol 2022; 17:203-221. [PMID: 35567672 DOI: 10.1007/s11523-022-00872-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2022] [Indexed: 10/18/2022]
Abstract
Currently available treatment options for patients with refractory metastatic prostate, bladder, or kidney cancers are limited with the prognosis remaining poor. Advances in the pathobiology of tumors has led to the discovery of cancer antigens that may be used as the target for cancer treatment. Antibody-drug conjugates (ADCs) are a relatively new concept in cancer treatment that broaden therapeutic landscape. ADCs are examples of a 'drug delivery into the tumor' system composed of an antigen-directed antibody linked to a cytotoxic drug that may release cytotoxic components after binding to the antigen located on the surface of tumor cells. The clinical properties of drugs are influenced by every component of ADCs. Regarding uro-oncology, enfortumab vedotin (EV) and sacituzumab govitecan (SG) are currently registered for patients with locally advanced or metastatic urothelial cancer following previous treatment with an immune checkpoint inhibitor (iCPI; programmed death receptor-1 [PD-1] or programmed death-ligand 1 [PD-L1]) inhibitor) and platinum-containing chemotherapy. The EV-301 trial showed that EV significantly prolonged the overall survival compared with classic chemotherapy. The TROPHY-U-01 trial conducted to evaluate SG demonstrated promising results as regards the objective response rate and duration of response. The safety and efficacy of ADCs in monotherapy and polytherapy (mainly with iCPIs) for different cancer stages and tumor types are assessed in numerous ongoing clinical trials. The aim of this review is to present new molecular biomarkers, specific mechanisms of action, and ongoing clinical trials of ADCs in genitourinary cancers. In the expert discussion, we assess the place of ADCs in uro-oncology and discuss their clinical value.
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Comprehensive Landscape of STEAP Family Members Expression in Human Cancers: Unraveling the Potential Usefulness in Clinical Practice Using Integrated Bioinformatics Analysis. DATA 2022. [DOI: 10.3390/data7050064] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The human Six-Transmembrane Epithelial Antigen of the Prostate (STEAP) family comprises STEAP1-4. Several studies have pointed out STEAP proteins as putative biomarkers, as well as therapeutic targets in several types of human cancers, particularly in prostate cancer. However, the relationships and significance of the expression pattern of STEAP1-4 in cancer cases are barely known. Herein, the Oncomine database and cBioPortal platform were selected to predict the differential expression levels of STEAP members and clinical prognosis. The most common expression pattern observed was the combination of the over- and underexpression of distinct STEAP genes, but cervical and gastric cancer and lymphoma showed overexpression of all STEAP genes. It was also found that STEAP genes’ expression levels were already deregulated in benign lesions. Regarding the prognostic value, it was found that STEAP1 (prostate), STEAP2 (brain and central nervous system), STEAP3 (kidney, leukemia and testicular) and STEAP4 (bladder, cervical, gastric) overexpression correlate with lower patient survival rate. However, in prostate cancer, overexpression of the STEAP4 gene was correlated with a higher survival rate. Overall, this study first showed that the expression levels of STEAP genes are highly variable in human cancers, which may be related to different patients’ outcomes.
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Zhu Y, Peng X, Zhou Q, Tan L, Zhang C, Lin S, Long M. METTL3-mediated m6A modification of STEAP2 mRNA inhibits papillary thyroid cancer progress by blocking the Hedgehog signaling pathway and epithelial-to-mesenchymal transition. Cell Death Dis 2022; 13:358. [PMID: 35436987 PMCID: PMC9016063 DOI: 10.1038/s41419-022-04817-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 03/22/2022] [Accepted: 03/31/2022] [Indexed: 12/23/2022]
Abstract
Papillary thyroid cancer (PTC) is a common endocrine system malignancy all over the world. Aberrant expression of six transmembrane epithelial antigen of the prostate 2 (STEAP2) has been functionally associated with cancer progression in many cancers. Nevertheless, its biological function in PTC is still unclear. Here, we found that PTC tissues had preferentially downregulated STEAP2 as compared with noncancerous tissues. Low STEAP2 expression correlated with aggressive clinicopathological characteristics and dismal prognosis in patients with PTC. We performed gain- and loss-of-function experiments, including cell proliferation assay (Cell Counting Kit-8 assay), EdU (5-ethynyl-2'-deoxyuridine) and colony formation assays, transwell migration, and invasion assays, and constructed a nude mouse xenograft tumor model. The results demonstrated that STEAP2 overexpression inhibited PTC cell proliferation, migration, and invasion in vitro and inhibited lung metastasis and tumorigenicity in vivo. Conversely, silencing STEAP2 yielded the opposite results in vitro. Mechanistically, bioinformatics analysis combined with validation experiments identified STEAP2 as the downstream target of methyltransferase-like 3 (METTL3)-mediated N6-methyladenosine (m6A) modification. METTL3 stabilized STEAP2 mRNA and regulated STEAP2 expression positively in an m6A-dependent manner. We also showed that m6A-mediated STEAP2 mRNA translation initiation relied on a pathway dependent on the m6A reader protein YTHDF1. Rescue experiments revealed that silencing STEAP2 partially rescued the tumor-suppressive phenotype induced by METTL3 overexpression. Lastly, we verified that the METTL3-STEAP2 axis functions as an inhibitor in PTC by suppressing epithelial-mesenchymal transition and the Hedgehog signaling pathway. Taken together, these findings strongly suggest that METTL3-mediated STEAP2 m6A modification plays a critical tumor-suppressive role in PTC progression. The METTL3-STEAP2 axis may be a potential therapeutic molecular target against PTC.
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Affiliation(s)
- Yue Zhu
- Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.,Department of Thyroid Surgery, Sun Yat-Sen Memorial Hospital, Guangzhou, 510120, China
| | - Xinzhi Peng
- Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.,Department of Thyroid Surgery, Sun Yat-Sen Memorial Hospital, Guangzhou, 510120, China
| | - Qianlei Zhou
- Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.,Department of Thyroid Surgery, Sun Yat-Sen Memorial Hospital, Guangzhou, 510120, China
| | - Langping Tan
- Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.,Department of Thyroid Surgery, Sun Yat-Sen Memorial Hospital, Guangzhou, 510120, China
| | - Cheng Zhang
- Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.,Department of Thyroid Surgery, Sun Yat-Sen Memorial Hospital, Guangzhou, 510120, China
| | - Shaojian Lin
- Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.,Department of Thyroid Surgery, Sun Yat-Sen Memorial Hospital, Guangzhou, 510120, China
| | - Miaoyun Long
- Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China. .,Department of Thyroid Surgery, Sun Yat-Sen Memorial Hospital, Guangzhou, 510120, China.
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Liu T, Niu X, Li Y, Xu Z, Chen J, Xu G. Expression and prognostic analyses of the significance of STEAP1 and STEAP2 in lung cancer. World J Surg Oncol 2022; 20:96. [PMID: 35346237 PMCID: PMC8962583 DOI: 10.1186/s12957-022-02566-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 03/14/2022] [Indexed: 11/10/2022] Open
Abstract
PURPOSE Lung cancer is the leading cause of cancer-related mortality. STEAP1 and STEAP2 are overexpressed in various cancers. The purpose of this study was to evaluate the expression and prognostic value of STEAP1 and STEAP2 in patients with lung cancer. METHODS The mRNA expression and protein expression of STEAP1 and STEAP2 and their prognostic characteristics were examined using Oncomine, GEPIA, and Kaplan-Meier (KM) plotters. The correlation analysis of STEAP1 and STEAP2 gene and protein levels was conducted using GeneMANIA and STRING. KEGG pathway analysis was used to explore the related signal pathways of STEAP 1 and STEAP2. Immunohistochemical methods were used to compare the expression of STEAP2 in normal lung and non-small cell lung cancer (NSCLC) tissues. Real-time quantitative polymerase chain reaction, western blotting, and immunocytochemistry were used to evaluate the expression of STEAP1 and STEAP2 in three lung cancer cell lines and normal lung epithelial cell lines. RESULTS Analysis of the Oncomine database and GEPIA showed that STEAP1 was upregulated and STEAP2 was downregulated in lung cancer tissue, and both expressions were related to the clinical stage of lung cancer. Immunohistochemical analysis showed that STEAP1 protein expression was significantly upregulated in lung cancer compared to that in adjacent tissues. The expression of STEAP1 was positively correlated with the migration and invasion abilities of lung cancer cells. Compared with paracancer tissues, the expression of STEAP2 protein in lung cancer was significantly downregulated and was correlated with the histological grade of squamous cell carcinoma, pathological classification of adenocarcinoma, tumor, lymph node, and metastasis clinical stage, and lymph node metastasis. The expression of STEAP2 was negatively correlated with the migration and invasion abilities of lung cancer cells. The KM curve showed that the downregulation of STEAP1 expression and upregulation of STEAP2 expression were related to a good lung cancer prognosis. CONCLUSION STEAP1 and STEAP2 are expected to be potential diagnostic and prognostic markers for lung cancer, which may provide more accurate prognostic indicators for lung cancer.
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Affiliation(s)
- Tianshu Liu
- Department of Maternal and Child Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Xiaoxin Niu
- Department of Maternal and Child Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Yanqing Li
- Department of Maternal and Child Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Zekun Xu
- Department of Maternal and Child Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Jie Chen
- Department of Maternal and Child Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China.
| | - Geng Xu
- Department of Thoracic Surgery, Heze Municipal Hospital, Heze, 274031, Shandong, China.
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The Prognostic Value and Immunological Role of STEAP1 in Pan-Cancer: A Result of Data-Based Analysis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8297011. [PMID: 35313641 PMCID: PMC8933652 DOI: 10.1155/2022/8297011] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/01/2021] [Accepted: 12/09/2021] [Indexed: 02/07/2023]
Abstract
Purpose. This study is aimed at systematically analyzing the expression, function, and prognostic value of six transmembrane epithelial antigen of the prostate 1 (STEAP1) in various cancers. Methods. The expressions of STEAP1 between normal and tumor tissues were analyzed using TCGA and GTEx. Clinicopathologic data was collected from GEPIA and TCGA. Prognostic analysis was conducted by Cox proportional hazard regression and Kaplan-Meier survival. DNA methylation, mutation features, and molecular subtypes of cancers were also investigated. The top-100 coexpressed genes with STEAP1 were involved in functional enrichment analysis. ESTIMATE algorithm was used to analyze the correlation between STEAP1 and immunity value. The relationships of STEAP1 and biomarkers including tumor mutational burden (TMB), microsatellite instability (MSI), and stemness score as well as chemosensitivity were also illustrated. Results. Among 33 cancers, STEAP1 was overexpressed in 19 cancers such as cervical squamous cell carcinoma and endocervical adenocarcinoma (CESC), colon adenocarcinoma, and lymphoid neoplasm diffuse large B cell lymphoma while was downregulated in 5 cancers such as adrenocortical carcinoma, breast invasive carcinoma (BRCA), and kidney chromophobe renal cell carcinoma. STEAP1 has significant prognostic relationships in multiple cancers. 15 cancers exhibited differences of DNA methylation including bladder urothelial carcinoma, BRCA, and CESC. STEAP1 expression was positively correlated to immune molecules especially in thyroid carcinoma and negatively especially in uveal melanoma. STEAP1 was associated with TMB and MSI in certain cancers. In addition, STEAP1 was connected with increased chemosensitivity of drugs such as trametinib and pimasertib. Conclusions. STEAP1 was an underlying target for prognostic prediction in different cancer types and a potential biomarker of TMB, MSI, tumor microenvironment, and chemosensitivity.
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Hua C, Chen J, Li S, Zhou J, Fu J, Sun W, Wang W. KDM6 Demethylases and Their Roles in Human Cancers. Front Oncol 2021; 11:779918. [PMID: 34950587 PMCID: PMC8688854 DOI: 10.3389/fonc.2021.779918] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/17/2021] [Indexed: 12/31/2022] Open
Abstract
Cancer therapy is moving beyond traditional chemotherapy to include epigenetic approaches. KDM6 demethylases are dynamic regulation of gene expression by histone demethylation in response to diverse stimuli, and thus their dysregulation has been observed in various cancers. In this review, we first briefly introduce structural features of KDM6 subfamily, and then discuss the regulation of KDM6, which involves the coordinated control between cellular metabolism (intrinsic regulators) and tumor microenvironment (extrinsic stimuli). We further describe the aberrant functions of KDM6 in human cancers, acting as either a tumor suppressor or an oncoprotein in a context-dependent manner. Finally, we propose potential therapy of KDM6 enzymes based on their structural features, epigenetics, and immunomodulatory mechanisms, providing novel insights for prevention and treatment of cancers.
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Affiliation(s)
- Chunyan Hua
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | | | - Shuting Li
- Wenzhou Medical University, Wenzhou, China
| | | | - Jiahong Fu
- Wenzhou Medical University, Wenzhou, China
| | - Weijian Sun
- Department of Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Wenqian Wang
- Department of Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
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44
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Mao C, Ding Y, Xu N. A Double-Edged Sword Role of Cytokines in Prostate Cancer Immunotherapy. Front Oncol 2021; 11:688489. [PMID: 34868907 PMCID: PMC8635015 DOI: 10.3389/fonc.2021.688489] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 10/25/2021] [Indexed: 01/02/2023] Open
Abstract
Prostate cancer (PC) is one of the most common malignancies among men and is the second leading cause of cancer death. PC immunotherapy has taken relatively successful steps in recent years, and these treatments are still being developed and tested. Evidence suggests that immunotherapy using cytokines as essential mediators in the immune system may help treat cancer. It has been shown that cytokines play an important role in anti-tumor defense. On the other hand, other cytokines can also favor the tumor and suppress anti-tumor responses. Moreover, the dose of cytokine in cancer cytokine-based immunotherapy, as well as the side effects of high doses, can also affect the outcomes of treatment. Cytokines can also be determinative in the outcome of other immunotherapy methods used in PC. In this review, the role of cytokines in the pathogenesis of cancer and their impacts on the main types of immunotherapies in the treatment of PC are discussed.
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Affiliation(s)
- Chenyu Mao
- Department of Medical Oncology Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yongfeng Ding
- Department of Medical Oncology Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Nong Xu
- Department of Medical Oncology Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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Rocha SM, Sousa I, Gomes IM, Arinto P, Costa-Pinheiro P, Coutinho E, Santos CR, Jerónimo C, Lemos MC, Passarinha LA, Socorro S, Maia CJ. Promoter Demethylation Upregulates STEAP1 Gene Expression in Human Prostate Cancer: In Vitro and In Silico Analysis. Life (Basel) 2021; 11:life11111251. [PMID: 34833128 PMCID: PMC8618799 DOI: 10.3390/life11111251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 12/22/2022] Open
Abstract
The Six Transmembrane Epithelial Antigen of the Prostate (STEAP1) is an oncogene overexpressed in several human tumors, particularly in prostate cancer (PCa). However, the mechanisms involved in its overexpression remain unknown. It is well known that epigenetic modifications may result in abnormal gene expression patterns, contributing to tumor initiation and progression. Therefore, this study aimed to analyze the methylation pattern of the STEAP1 gene in PCa versus non-neoplastic cells. Bisulfite amplicon sequencing of the CpG island at the STEAP1 gene promoter showed a higher methylation level in non-neoplastic PNT1A prostate cells than in human PCa samples. Bioinformatic analysis of the GEO datasets also showed the STEAP1 gene promoter as being demethylated in human PCa, and a negative association with STEAP1 mRNA expression was observed. These results are supported by the treatment of non-neoplastic PNT1A cells with DNMT and HDAC inhibitors, which induced a significant increase in STEAP1 mRNA expression. In addition, the involvement of HDAC in the regulation of STEAP1 mRNA expression was corroborated by a negative association between STEAP1 mRNA expression and HDAC4,5,7 and 9 in human PCa. In conclusion, our work indicates that STEAP1 overexpression in PCa can be driven by the hypomethylation of STEAP1 gene promoter.
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Affiliation(s)
- Sandra M. Rocha
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Inês Sousa
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- Department of Medical Sciences, Institute of Biomedicine—iBiMED, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Inês M. Gomes
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Patrícia Arinto
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Pedro Costa-Pinheiro
- Cancer Biology and Epigenetics Group, IPO Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO Porto), 4200-072 Porto, Portugal; (P.C.-P.); (C.J.)
| | - Eduarda Coutinho
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Cecília R. Santos
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Carmen Jerónimo
- Cancer Biology and Epigenetics Group, IPO Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO Porto), 4200-072 Porto, Portugal; (P.C.-P.); (C.J.)
- Department of Pathology and Molecular Immunology, School of Medicine and Biomedical Sciences, Universidade do Porto (ICBAS-UP), 4050-513 Porto, Portugal
| | - Manuel C. Lemos
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- C4-UBI, Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal
| | - Luís A. Passarinha
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal
- Laboratório de Fármaco-Toxicologia-UBIMedical, Universidade da Beira Interior, 6201-284 Covilhã, Portugal
| | - Sílvia Socorro
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Cláudio J. Maia
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- C4-UBI, Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal
- Correspondence: ; Tel.: +351-275-329-069
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Wang LL, Luo J, He ZH, Liu YQ, Li HG, Xie D, Cai MY. STEAP3 promotes cancer cell proliferation by facilitating nuclear trafficking of EGFR to enhance RAC1-ERK-STAT3 signaling in hepatocellular carcinoma. Cell Death Dis 2021; 12:1052. [PMID: 34741044 PMCID: PMC8571373 DOI: 10.1038/s41419-021-04329-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/30/2021] [Accepted: 10/13/2021] [Indexed: 12/24/2022]
Abstract
STEAP3 (Six-transmembrane epithelial antigen of the prostate 3, TSAP6, dudulin-2) has been reported to be involved in tumor progression in human malignancies. Nevertheless, how it participates in the progression of human cancers, especially HCC, is still unknown. In the present study, we found that STEAP3 was aberrantly overexpressed in the nuclei of HCC cells. In a large cohort of clinical HCC tissues, high expression level of nuclear STEAP3 was positively associated with tumor differentiation and poor prognosis (p < 0.001), and it was an independent prognostic factor for HCC patients. In HCC cell lines, nuclear expression of STEAP3 significantly promoted HCC cells proliferation by promoting stemness phenotype and cell cycle progression via RAC1-ERK-STAT3 and RAC1-JNK-STAT6 signaling axes. Through upregulating the expression and nuclear trafficking of EGFR, STEAP3 participated in regulating EGFR-mediated STAT3 transactivity in a manner of positive feedback. In summary, our findings support that nuclear expression of STEAP3 plays a critical oncogenic role in the progression of HCC via modulation on EGFR and intracellular signaling, and it could be a candidate for prognostic marker and therapeutic target in HCC.
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MESH Headings
- Animals
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Cell Cycle/genetics
- Cell Cycle Proteins/metabolism
- Cell Line, Tumor
- Cell Nucleus/metabolism
- Cell Proliferation
- Disease Progression
- ErbB Receptors/metabolism
- Extracellular Signal-Regulated MAP Kinases/metabolism
- Female
- Gene Expression Regulation, Neoplastic
- Humans
- Liver Neoplasms/genetics
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- MAP Kinase Signaling System
- Male
- Mice, Inbred BALB C
- Mice, Nude
- Middle Aged
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Oxidoreductases/metabolism
- Phosphorylation
- Prognosis
- Protein Transport
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- STAT3 Transcription Factor/metabolism
- Signal Transduction
- Spheroids, Cellular/metabolism
- Spheroids, Cellular/pathology
- Treatment Outcome
- rac1 GTP-Binding Protein/metabolism
- Mice
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Affiliation(s)
- Li-Li Wang
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Jie Luo
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Zhang-Hai He
- Department of Pathology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Ye-Qing Liu
- Department of Pathology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Hai-Gang Li
- Department of Pathology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Dan Xie
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China.
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China.
| | - Mu-Yan Cai
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China.
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Mostafa AM, Barton SJ, Wren SP, Barker J. Review on molecularly imprinted polymers with a focus on their application to the analysis of protein biomarkers. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116431] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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48
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Liu J, Dong Y, Xu D, Zhang C, Lan T, Chang D. Progress in diagnosis of bone metastasis of prostate cancer. ZHONG NAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF CENTRAL SOUTH UNIVERSITY. MEDICAL SCIENCES 2021; 46:1147-1152. [PMID: 34911846 PMCID: PMC10930230 DOI: 10.11817/j.issn.1672-7347.2021.200999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Indexed: 11/03/2022]
Abstract
The diagnosis of bone metastasis of prostate cancer (PC) is of great significance to the treatment and prognosis of patients with PC.Bone scan is the most commonly used in the early diagnosis of bone metastasis, but its specificity is low and there is a high false positive.In recent years, with the in-depth study of the application of CT, MRI, emission computed tomography (ECT), positron emission computed tomography/computed tomography (PET/CT) and deep learning algorithm-convolutional neural networks (CNN) in the diagnosis of bone metastasis, the combined application of various auxiliary parameters in the diagnosis of bone metastasis has significantly been improved. The therapeutic effect of PC patients with bone metastasis can also be evaluated, which is expected to achieve the treatment of bone metastasis as well as diagnosis. By systematically expounding the research progress of the above-mentioned techniques in the diagnosis of bone metastasis, it can provide clinicians with new methods for the diagnosis of bone metastasis and improve the diagnostic efficiency for bone metastasis.
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Affiliation(s)
- Jun Liu
- First Clinical Medical College of Gansu University of Traditional Chinese Medicine, Lanzhou 730000.
- Department of Urology, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou 730050.
| | - Yongchao Dong
- Department of Urology, Sichuan Gem Flower Hospital, Chengdu 610095
| | - Dongbo Xu
- Department of Urology, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou 730050
| | - Chunlei Zhang
- Department of Urology, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou 730050
| | - Tian Lan
- Department of Urology, Pinghu Hospital, Shenzhen University, Guangdong Shenzhen 518060, China
| | - Dehui Chang
- Department of Urology, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou 730050.
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49
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Semen as a rich source of diagnostic biomarkers for prostate cancer: latest evidence and implications. Mol Cell Biochem 2021; 477:213-223. [PMID: 34655417 DOI: 10.1007/s11010-021-04273-4] [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: 05/11/2021] [Accepted: 10/01/2021] [Indexed: 12/24/2022]
Abstract
Prostate cancer (PCa) is one of the most common cancers in men and the cause of numerous cancer deaths in the world. Nowadays, based on diagnostic criteria, prostate-specific antigen (PSA) evaluation and rectal examination are used to diagnose prostate-related malignancies. However, due to the different types of PCa, there are several doubts about the diagnostic value of PSA. On the other hand, semen is considered an appropriate source and contains various biomarkers in non-invasive diagnosing several autoimmune disorders and malignancies. Evidence suggests that analysis of semen biomarkers could be helpful in PCa diagnosis. Therefore, due to the invasiveness of most diagnostic methods in PCa, the use of semen as a biologic sample containing various biomarkers can lead to the emergence of novel and non-invasive diagnostic approaches. This review summarized recent studies on the use of various seminal biomarkers for diagnosis, prognosis and prediction of PCa.
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50
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Zhao Z, Wang Z, Song Z, Wu Y, Jin Q, Zhao Z. Predictive potential of STEAP family for survival, immune microenvironment and therapy response in glioma. Int Immunopharmacol 2021; 101:108183. [PMID: 34649092 DOI: 10.1016/j.intimp.2021.108183] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/08/2021] [Accepted: 09/19/2021] [Indexed: 10/20/2022]
Abstract
Glioma is the most commonly diagnosed primary tumor of central nervous system. Previous studies found that the six-transmembrane epithelial antigen of prostate (STEAP) family can regulate the biological behaviors of several cancers. However, the role of STEAP family in glioma remains unclear. Here, we systematically evaluated the relationship between STEAP family and prognosis of glioma patients in multiple cohorts. The analysis showed that dysregulation of STEAP family may affect cancer-immunity cycle, immune infiltration and phenotypes resulting in an immunosuppressive microenvironment in glioma. To accurately predict the prognosis of glioma patients, gene-based risk models were established based on the expression of STEAP1, 2 and 3. Multivariate and univariate Cox analyses demonstrated that the risk models could independently predict the prognosis of glioma. Finally, chemotherapy and immune therapy responses for high- and low-risk patients were predicted. In conclusion, this study systematically analyzed the role of STEAP family in glioma and established a model for predicting therapy response in patients with glioma.
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Affiliation(s)
- Zijun Zhao
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
| | - Zairan Wang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
| | - Zihan Song
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
| | - Yue Wu
- Department of Neurology, The Second Hospital of Hebei Medical University, Hebei, Shijiazhuang, China.
| | - Qianxu Jin
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
| | - Zongmao Zhao
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China.
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