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Zhu W, Li X, Zheng G, Bai C, Ji Z, Zhang H, Xing H, Zhang Y, Huo L. Preclinical and pilot clinical evaluation of a small-molecule carbonic anhydrase IX targeting PET tracer in clear cell renal cell carcinoma. Eur J Nucl Med Mol Imaging 2023; 50:3116-3125. [PMID: 37246998 DOI: 10.1007/s00259-023-06248-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 04/24/2023] [Indexed: 05/30/2023]
Abstract
PURPOSE Clear cell renal cell carcinoma (ccRCC) highly expresses carbonic anhydrase IX (CAIX). The purpose of this study was to evaluate 68Ga-NY104, a small-molecule CAIX-targeting PET agent, in tumor models of ccRCC and patients diagnosed with confirmed, or suspicious, ccRCC. METHODS The in vivo and ex vivo biodistribution of 68Ga-NY104 was investigated in CAIX-positive OS-RC-2 xenograft-bearing models. The binding of the tracer was further validated using autoradiography for human ccRCC samples. In addition, three patients with confirmed or suspicious ccRCC were studied. RESULTS NY104 can be labeled with high radiochemical yield and purity. It quickly cleared through kidney with α-half-life of 0.15 h. Discernible uptake is noted in the heart, lung, liver, stomach, and kidney. The OS-RC-2 xenograft demonstrated intense uptake 5 min after injection and gradually increased until 3 h after injection with ID%/g of 29.29 ± 6.82. Significant binding was detected using autoradiography on sections of human ccRCC tumor. In the three patients studied, 68Ga-NY104 was well-tolerated and no adverse events were reported. Substantial accumulation was observed in both primary and metastatic lesions in patient 1 and 2 with SUVmax of 42.3. Uptake in the stomach, pancreas, intestine, and choroid plexus was noted. The lesion in third patient was correctly diagnosed as non-metastatic for negative 68Ga-NY104 uptake. CONCLUSION 68Ga-NY104 can efficiently and specifically bind to CAIX. Given the pilot nature of our study, future clinical studies are warranted to evaluate 68Ga-NY104 for detection of CAIX-positive lesions in patients with ccRCC. TRIAL REGISTRATION The clinical evaluation part of this study was retrospectively registered at ClinicalTrial.gov (NCT05728515) as NYPILOT on 6 Feb, 2023.
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Affiliation(s)
- Wenjia Zhu
- Department of Nuclear Medicine, Beijing Key Laboratory of Molecular Targeted Diagnosis and Therapy in Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Xiaoyuan Li
- Department of Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Guoyang Zheng
- Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Chunmei Bai
- Department of Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Zhigang Ji
- Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Haiqiong Zhang
- Department of Nuclear Medicine, Beijing Key Laboratory of Molecular Targeted Diagnosis and Therapy in Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Haiqun Xing
- Department of Nuclear Medicine, Beijing Key Laboratory of Molecular Targeted Diagnosis and Therapy in Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Yushi Zhang
- Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
| | - Li Huo
- Department of Nuclear Medicine, Beijing Key Laboratory of Molecular Targeted Diagnosis and Therapy in Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China.
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Cao W, Yang J, Zhu C, Zeng Z, Yang C, Chen T, Zhu J. Carbonic Anhydrase IX Targeting Mn(II)-Based Magnetic Resonance Molecular Imaging Probe for Hypoxia Tumors. Bioconjug Chem 2023. [PMID: 37285478 DOI: 10.1021/acs.bioconjchem.3c00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Physiological hypoxic conditions in the tumor microenvironment and consequential overexpression of carbonic anhydrase IX (CA IX) are two characteristics shared by numerous types of solid malignant tumors. Early detection with hypoxia assessment is crucial to improve the prognosis and therapy outcomes of hypoxia tumors. Herein, using acetazolamide (AZA) as a CA IX-targeting moiety, we design and synthesize an Mn(II)-based MR imaging probe (named AZA-TA-Mn) incorporating AZA and two Mn(II) chelates of Mn-TyEDTA on a rigid triazine (TA) scaffold. The per Mn relaxivity of AZA-TA-Mn is 2-fold higher than its monomeric Mn-TyEDTA, which allows it for low-dose imaging of hypoxic tumors. In a xenograft mice model of esophageal squamous cell carcinoma (ESCC), a low dosage of AZA-TA-Mn (0.05 mmol/kg) can selectively produce prolonged and stronger contrast enhancement in the tumor compared to the non-specific Gd-DTPA (0.1 mmol/kg). A competition study of co-injection of free AZA and Mn(II) probes confirms the in vivo tumor selectivity of AZA-TA-Mn, resulting in a more than 2.5-fold decreased tumor-to-muscle contrast-to-noise ratio (ΔCNR) at 60 min post-injection. MR imaging results were further supported by the quantitative analysis of Mn tissue levels, as the co-injection of free AZA resulted in significantly reduced Mn accumulation in tumor tissues. Finally, immunofluorescence staining of tissue sections confirms the positive correlation between the tumor accumulation of AZA-TA-Mn and CA IX overexpression. Hence, using CA IX as the hypoxia biomarker, our results illustrate a practical strategy for the development of novel imaging probes for hypoxic tumors.
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Affiliation(s)
- Weidong Cao
- Medical Imaging Key Laboratory of Sichuan Province, Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Maoyuan Road 1, Nanchong City, Sichuan 637000, China
- School of Pharmacy, North Sichuan Medical College, Fujiang Road 234, Nanchong City, Sichuan 637000, China
| | - Jianqiong Yang
- Medical Imaging Key Laboratory of Sichuan Province, Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Maoyuan Road 1, Nanchong City, Sichuan 637000, China
- Department of Radiology, The Second Clinical Medical School of North Sichuan Medical College, Nanchong Central Hospital, Nanchong City, Sichuan 637000, China
| | - Chunrong Zhu
- Medical Imaging Key Laboratory of Sichuan Province, Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Maoyuan Road 1, Nanchong City, Sichuan 637000, China
| | - Zuhua Zeng
- Medical Imaging Key Laboratory of Sichuan Province, Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Maoyuan Road 1, Nanchong City, Sichuan 637000, China
- School of Pharmacy, North Sichuan Medical College, Fujiang Road 234, Nanchong City, Sichuan 637000, China
| | - Chenwu Yang
- Medical Imaging Key Laboratory of Sichuan Province, Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Maoyuan Road 1, Nanchong City, Sichuan 637000, China
| | - Tianwu Chen
- Medical Imaging Key Laboratory of Sichuan Province, Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Maoyuan Road 1, Nanchong City, Sichuan 637000, China
| | - Jiang Zhu
- Medical Imaging Key Laboratory of Sichuan Province, Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Maoyuan Road 1, Nanchong City, Sichuan 637000, China
- School of Pharmacy, North Sichuan Medical College, Fujiang Road 234, Nanchong City, Sichuan 637000, China
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Nerella SG, Singh P, Thacker PS, Arifuddin M, Supuran CT. PET radiotracers and fluorescent probes for imaging human carbonic anhydrase IX and XII in hypoxic tumors. Bioorg Chem 2023; 133:106399. [PMID: 36731297 DOI: 10.1016/j.bioorg.2023.106399] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 01/07/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023]
Abstract
Positron emission tomography (PET) and fluorescent imaging play a pivotal role in medical diagnosis, biomedical oncologic research, and drug development process, which include identification of target location, target engagement, but also prove on mechanism of action or pharmacokinetics of new drug candidates. PET estimates physiological changes at the molecular level using specific radiotracers containing a short-lived positron emitting radionuclide such as fluorine-18 or carbon-11, whereas fluorescent imaging techniques use fluorescent probes labeled with suitable drug candidates for detection at the molecular level. The human carbonic anhydrase (hCA) isoforms IX and XII are overexpressed in hypoxic cancer cells, promoting tumor growth by regulating extra/intracellular pH, ferroptosis, and metabolism, being recognized as promising targets for anticancer theranostic agents. In this review, we have focused on PET radiotracers as well as fluorescent probes for diagnosis and treatment of tumors expressing hCA IX and hCA XII.
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Affiliation(s)
- Sridhar Goud Nerella
- Department of Neuroimaging and Interventional Radiology (NI & IR), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru 560 029, India.
| | - Priti Singh
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India
| | - Pavitra S Thacker
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India
| | - Mohammed Arifuddin
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, India; Department of Chemistry, Directorate of Distance Education, Maulana Azad National Urdu University, Hyderabad, India
| | - Claudiu T Supuran
- Università degli Studi di Firenze, Neurofarba Dept., Sezione di Scienze Farmaceutiche e Nutraceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Florence, Italy.
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Rotermund A, Brandt S, Staege MS, Luetzkendorf J, Mueller LP, Mueller T. Differential CMS-Related Expression of Cell Surface Carbonic Anhydrases IX and XII in Colorectal Cancer Models-Implications for Therapy. Int J Mol Sci 2023; 24:ijms24065797. [PMID: 36982873 PMCID: PMC10056265 DOI: 10.3390/ijms24065797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Tumor-associated carbonic anhydrases IX (CAIX) and XII (CAXII) have long been in the spotlight as potential new targets for anti-cancer therapy. Recently, CAIX/CAXII specific inhibitor SLC-0111 has passed clinical phase I study and showed differential response among patients with colorectal cancer (CRC). CRC can be classified into four different consensus molecular subgroups (CMS) showing unique expression patterns and molecular traits. We questioned whether there is a CMS-related CAIX/CAXII expression pattern in CRC predicting response. As such, we analyzed transcriptomic data of tumor samples for CA9/CA12 expression using Cancertool. Protein expression pattern was examined in preclinical models comprising cell lines, spheroids and xenograft tumors representing the CMS groups. Impact of CAIX/CAXII knockdown and SLC-0111 treatment was investigated in 2D and 3D cell culture. The transcriptomic data revealed a characteristic CMS-related CA9/CA12 expression pattern with pronounced co-expression of both CAs as a typical feature of CMS3 tumors. Protein expression in spheroid- and xenograft tumor tissue clearly differed, ranging from close to none (CMS1) to strong CAIX/CAXII co-expression in CMS3 models (HT29, LS174T). Accordingly, response to SLC-0111 analyzed in the spheroid model ranged from no (CMS1) to clear (CMS3), with moderate in CMS2 and mixed in CMS4. Furthermore, SLC-0111 positively affected impact of single and combined chemotherapeutic treatment of CMS3 spheroids. In addition, combined CAIX/CAXII knockdown and more effective treatment with SLC-0111 reduced clonogenic survival of CMS3 modelling single cells. In conclusion, the preclinical data support the clinical approach of targeted CAIX/CAXII inhibition by showing linkage of expression with response and suggest that patients with CMS3-classified tumors would most benefit from such treatment.
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Affiliation(s)
- Arne Rotermund
- Department of Internal Medicine IV (Hematology/Oncology), Medical Faculty, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
| | - Sarah Brandt
- Department of Internal Medicine IV (Hematology/Oncology), Medical Faculty, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
| | - Martin S Staege
- Department of Surgical and Conservative Pediatrics and Adolescent Medicine, Medical Faculty, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
| | - Jana Luetzkendorf
- Department of Internal Medicine IV (Hematology/Oncology), Medical Faculty, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
| | - Lutz P Mueller
- Department of Internal Medicine IV (Hematology/Oncology), Medical Faculty, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
| | - Thomas Mueller
- Department of Internal Medicine IV (Hematology/Oncology), Medical Faculty, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany
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Zhang K, Wang ZQ, Liu Z, Qu T, Zhang Z, Zeng F, Song H, Shi Q, Kang Z, Chen B, Dai P, Guo P, Tong Z, Xu W. Self-Disguised Nanospy for Improving Drug Delivery Efficiency via Decreasing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300060. [PMID: 36929045 DOI: 10.1002/smll.202300060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/31/2023] [Indexed: 06/18/2023]
Abstract
Nanoscale drug carriers play a crucial role in reducing side effects of chemotherapy drugs. However, the mononuclear phagocyte system (MPS) and the drug protonation after nanoparticles (NPs) burst release still limit the drug delivery efficiency. In this work, a self-disguised Nanospy is designed to overcome this problem. The Nanospy is composed of: i) poly (lactic-co-glycolic acid)-polyethylene glycol (PLGA-PEG) loading doxorubicin is the core structure of the Nanospy. ii) CD47 mimic peptides (CD47p) is linked to NPs which conveyed the "don't eat me" signal. iii) 4-(2-aminoethyl) benzenesulfonamide (AEBS) as the inhibitor of Carbonic anhydrase IX (CAIX) linked to NPs. Briefly, when the Nanospy circulates in the bloodstream, CD47p binds to the regulatory protein α (SIRPα) on the surface of macrophages, which causes the Nanospy escapes from phagocytosis. Subsequently, the Nanospy enriches in tumor and the AEBS reverses the acidic microenvironment of tumor. Due to above characteristics, the Nanospy reduces liver macrophage phagocytosis by 25% and increases tumor in situ DOX concentration by 56% compared to PLGA@DOX treatment. In addition, the Nanospy effectively inhibits tumor growth with a 63% volume reduction. This work presents a unique design to evade the capture of MPS and overcomes the influence of acidic tumor microenvironment (TME) on weakly alkaline drugs.
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Affiliation(s)
- Kuo Zhang
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Zi-Qi Wang
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Zhongqing Liu
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, the Fourth Hospital of Harbin Medical University, Harbin, 150001, P. R. China
| | - Tianrui Qu
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, the Fourth Hospital of Harbin Medical University, Harbin, 150001, P. R. China
| | - Zhishuai Zhang
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Fanshu Zeng
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, the Fourth Hospital of Harbin Medical University, Harbin, 150001, P. R. China
| | - Hongjian Song
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Qing Shi
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Zhijian Kang
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Bogong Chen
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Peng Dai
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Pengyu Guo
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
| | - Zhichao Tong
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, the Fourth Hospital of Harbin Medical University, Harbin, 150001, P. R. China
| | - Wanhai Xu
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, 150001, P. R. China
- Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, Harbin, 150001, P. R. China
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, 150081, P. R. China
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Gallez B. The Role of Imaging Biomarkers to Guide Pharmacological Interventions Targeting Tumor Hypoxia. Front Pharmacol 2022; 13:853568. [PMID: 35910347 PMCID: PMC9335493 DOI: 10.3389/fphar.2022.853568] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 06/23/2022] [Indexed: 12/12/2022] Open
Abstract
Hypoxia is a common feature of solid tumors that contributes to angiogenesis, invasiveness, metastasis, altered metabolism and genomic instability. As hypoxia is a major actor in tumor progression and resistance to radiotherapy, chemotherapy and immunotherapy, multiple approaches have emerged to target tumor hypoxia. It includes among others pharmacological interventions designed to alleviate tumor hypoxia at the time of radiation therapy, prodrugs that are selectively activated in hypoxic cells or inhibitors of molecular targets involved in hypoxic cell survival (i.e., hypoxia inducible factors HIFs, PI3K/AKT/mTOR pathway, unfolded protein response). While numerous strategies were successful in pre-clinical models, their translation in the clinical practice has been disappointing so far. This therapeutic failure often results from the absence of appropriate stratification of patients that could benefit from targeted interventions. Companion diagnostics may help at different levels of the research and development, and in matching a patient to a specific intervention targeting hypoxia. In this review, we discuss the relative merits of the existing hypoxia biomarkers, their current status and the challenges for their future validation as companion diagnostics adapted to the nature of the intervention.
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van der Heide CD, Dalm SU. Radionuclide imaging and therapy directed towards the tumor microenvironment: a multi-cancer approach for personalized medicine. Eur J Nucl Med Mol Imaging 2022; 49:4616-4641. [PMID: 35788730 PMCID: PMC9606105 DOI: 10.1007/s00259-022-05870-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 06/09/2022] [Indexed: 12/19/2022]
Abstract
Targeted radionuclide theranostics is becoming more and more prominent in clinical oncology. Currently, most nuclear medicine compounds researched for cancer theranostics are directed towards targets expressed in only a small subset of cancer types, limiting clinical applicability. The identification of cancer-specific targets that are (more) universally expressed will allow more cancer patients to benefit from these personalized nuclear medicine–based interventions. A tumor is not merely a collection of cancer cells, it also comprises supporting stromal cells embedded in an altered extracellular matrix (ECM), together forming the tumor microenvironment (TME). Since the TME is less genetically unstable than cancer cells, and TME phenotypes can be shared between cancer types, it offers targets that are more universally expressed. The TME is characterized by the presence of altered processes such as hypoxia, acidity, and increased metabolism. Next to the ECM, the TME consists of cancer-associated fibroblasts (CAFs), macrophages, endothelial cells forming the neo-vasculature, immune cells, and cancer-associated adipocytes (CAAs). Radioligands directed at the altered processes, the ECM, and the cellular components of the TME have been developed and evaluated in preclinical and clinical studies for targeted radionuclide imaging and/or therapy. In this review, we provide an overview of the TME targets and their corresponding radioligands. In addition, we discuss what developments are needed to further explore the TME as a target for radionuclide theranostics, with the hopes of stimulating the development of novel TME radioligands with multi-cancer, or in some cases even pan-cancer, application.
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Affiliation(s)
| | - Simone U Dalm
- Department of Radiology & Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands.
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Chen KT, Seimbille Y. New Developments in Carbonic Anhydrase IX-Targeted Fluorescence and Nuclear Imaging Agents. Int J Mol Sci 2022; 23:ijms23116125. [PMID: 35682802 PMCID: PMC9181387 DOI: 10.3390/ijms23116125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 05/27/2022] [Accepted: 05/27/2022] [Indexed: 02/04/2023] Open
Abstract
Carbonic anhydrase IX (CAIX) is a tumor-specific and hypoxia-induced biomarker for the molecular imaging of solid malignancies. The nuclear- and optical-imaging of CAIX-expressing tumors have received great attention due to their potential for clinical applications. Nuclear imaging is a powerful tool for the non-invasive diagnosis of primary and metastatic CAIX-positive tumors and for the assessment of responses to antineoplastic treatment. Intraoperative optical fluorescence imaging provides improved visualization for surgeons to increase the discrimination of tumor lesions, allowing for safer surgical treatment. Over the past decades, many CAIX-targeted molecular imaging probes, based on monoclonal antibodies, antibody fragments, peptides, and small molecules, have been reported. In this review, we outline the recent development of CAIX-targeted probes for single-photon emission computerized tomography (SPECT), positron emission tomography (PET), and near-infrared fluorescence imaging (NIRF), and we discuss issues yet to be addressed.
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Affiliation(s)
- Kuo-Ting Chen
- Department of Chemistry, National Dong Hwa University, Hualien 974301, Taiwan
- Correspondence: ; Tel.: +886-3-8903603
| | - Yann Seimbille
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands;
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
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Dorababu A. Pharmacological report of recently designed multifunctional coumarin and coumarin-heterocycle derivatives. Arch Pharm (Weinheim) 2021; 355:e2100345. [PMID: 34693550 DOI: 10.1002/ardp.202100345] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 12/23/2022]
Abstract
Coumarin is a naturally available molecule and has been identified as a potent pharmacophore due to its pharmacological activity. Because of this, coumarin has been exploited synthetically to prepare a wide range of derivatives. In fact, most coumarin derivatives have been found to be less toxic, which is the most essential property for a drug molecule. Such molecules are being prepared for therapeutic use as broad-spectrum pharmacological agents. Microbial diseases including viral diseases have become very common and are responsible for many deaths worldwide. In particular, microbial drug resistance is a problem that needs to be tackled in an effective manner. Also, for Alzheimer's disease, which affects most elderly persons, no efficient chemotherapy exists. In addition, although diabetes, a metabolic syndrome, can be treated with many drugs, there is no complete cure. Thus, more potent antidiabetic agents are required for the management of diabetes. Likewise, for the treatment of a wide range of ailments caused by microbes, genetic factors, or lifestyle-related factors, an efficient drug regimen is needed. In view of this, coumarin derivatives are designed and evaluated. Here, coumarin derivatives that have been reported recently are compiled, classified and evaluated critically. This study briefly takes the structure-activity relationship into consideration and suggests the next suitable step. With a focus on the most potent molecules, the pharmacological activity of the evaluated molecules is described.
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Affiliation(s)
- Atukuri Dorababu
- Department of Chemistry, SRMPP Government First Grade College, Huvinahadagali, Karnataka, India
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Guan SS, Wu CT, Liao TZ, Lin KL, Peng CL, Shih YH, Weng MF, Chen CT, Yeh CH, Wang YC, Liu SH. A novel 111indium-labeled dual carbonic anhydrase 9-targeted probe as a potential SPECT imaging radiotracer for detection of hypoxic colorectal cancer cells. Eur J Pharm Biopharm 2021; 168:38-52. [PMID: 34450241 DOI: 10.1016/j.ejpb.2021.08.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 07/21/2021] [Accepted: 08/17/2021] [Indexed: 12/14/2022]
Abstract
Tumor hypoxia is a common feature in colorectal cancer (CRC), and is associated with resistance to radiotherapy and chemotherapy. Thus, a specifically targeted probe for the detection of hypoxic CRC cells is urgently needed. Carbonic anhydrase 9 (CA9) is considered to be a specific marker for hypoxic CRC diagnosis. Here, a nuclear imaging Indium-111 (111In)-labeled dual CA9-targeted probe was synthesized and evaluated for CA9 detection in in vitro, in vivo, and in human samples. The CA9-targeted peptide (CA9tp) and CA9 inhibitor acetazolamide (AAZ) were combined to form a dual CA9-targeted probe (AAZ-CA9tp) using an automatic microwave peptide synthesizer, which then was conjugated with 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) for radioisotope (111In) labeling (111In-DOTA-AAZ-CA9tp). The assays for cell binding, stability, and toxicity were conducted in hypoxic CRC HCT15 cells. The analyses for imaging and biodistribution were performed in an HCT15 xenograft mouse model. The binding and distribution of 111In-DOTA-AAZ-CA9tp were detected in human CRC samples using microautoradiography. AAZ-CA9tp possessed good CA9-targeting ability in hypoxic HCT15 cells. The dual CA9-targeted radiotracer showed high serum stability, high surface binding, and high affinity in vitro. After exposure of 111In-DOTA-AAZ-CA9tp to the HCT15-bearing xenograft mice, the levels of 111In-DOTA-AAZ-CA9tp were markedly and specifically increased in the hypoxic tumor tissues compared to control mice. 111In-DOTA-AAZ-CA9tp also targeted the areas of CA9 overexpression in human colorectal tumor tissue sections. The results of this study suggest that the novel 111In-DOTA-AAZ-CA9tp nuclear imaging agent may be a useful tool for the detection of hypoxic CRC cells in clinical practice.
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Affiliation(s)
- Siao-Syun Guan
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Cheng-Tien Wu
- Department of Nutrition, China Medical University, Taichung 40402, Taiwan; Master Program of Food and Drug Safety, China Medical University, Taichung 40402, Taiwan
| | - Tse-Zung Liao
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Kun-Liang Lin
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Cheng-Liang Peng
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Ying-Hsia Shih
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Mao-Feng Weng
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Chun-Tang Chen
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Chung-Hsin Yeh
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Ying-Chieh Wang
- Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan, Taiwan
| | - Shing-Hwa Liu
- Institute of Toxicology, College of Medicine, National Taiwan University, No.1, Jen-Ai Road Section 1, Taipei 10051, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan; Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan.
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11
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Nakashima K, Iikuni S, Okada Y, Watanabe H, Shimizu Y, Nakamoto Y, Ono M. Synthesis and evaluation of 68Ga-labeled imidazothiadiazole sulfonamide derivatives for PET imaging of carbonic anhydrase-IX. Nucl Med Biol 2021; 93:46-53. [PMID: 33316738 DOI: 10.1016/j.nucmedbio.2020.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/18/2020] [Accepted: 11/22/2020] [Indexed: 01/26/2023]
Abstract
INTRODUCTION Carbonic anhydrase-IX (CA-IX) is markedly overexpressed in many types of solid tumors promoting tumorigenicity and tumor growth. We synthesized novel 68Ga-labeled imidazothiadiazole sulfonamide (IS) derivatives ([68Ga]Ga-DO3A-IS1 and [68Ga]Ga-DO2A-IS2), and evaluated their utility as positron emission tomography (PET) probes targeting CA-IX. METHODS [67/68Ga]Ga-DO3A-IS1 and [67/68Ga]Ga-DO2A-IS2 were synthesized from corresponding precursors by ligand substitution reaction in acetate buffer. Cell binding assays were performed using HT-29 cells, which highly express CA-IX, and MDA-MB-231 cells, which show lower-level expression of CA-IX, and a biodistribution assay with model mice bearing the HT-29 or MDA-MB-231 tumor was performed. [68Ga]Ga-DO3A-IS1 was further evaluated by PET/CT. RESULTS To evaluate their fundamental properties, [67Ga]Ga-DO3A-IS1 and [67Ga]Ga-DO2A-IS2 were synthesized by conjugation with 67Ga, which has a much longer decay half-life and can be utilized more easily than 68Ga. [67/68Ga]Ga-DO3A-IS1 and [67/68Ga]Ga-DO2A-IS2 were prepared from corresponding precursors with preferable yield and purity. [67Ga]Ga-DO3A-IS1 and [67Ga]Ga-DO2A-IS2 showed significantly greater binding to HT-29 cells than MDA-MB-231 cells in vitro and the binding of [67Ga]Ga-DO2A-IS2 to HT-29 cells was much greater than that of [67Ga]Ga-DO3A-IS1, suggesting multivalent interactions. [67Ga]Ga-DO3A-IS1 and [67Ga]Ga-DO2A-IS2 showed significant selectivity for the HT-29 tumor in vivo, while tumor uptake of [67Ga]Ga-DO3A-IS1 was greater than that of [67Ga]Ga-DO2A-IS2. PET/CT of [68Ga]Ga-DO3A-IS1 showed selectivity for the HT-29 tumor, although [68Ga]Ga-DO3A-IS1 could not be used to visualize the HT-29 tumor clearly because of its strong background signals. CONCLUSION These results indicate that 68Ga-labeled IS derivatives may be useful 68Ga-PET probes targeting CA-IX with further structural modifications.
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Affiliation(s)
- Kazuma Nakashima
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Shimpei Iikuni
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yuya Okada
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Hiroyuki Watanabe
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yoichi Shimizu
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan; Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoinkawara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoinkawara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan.
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12
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Iikuni S, Okada Y, Shimizu Y, Watanabe H, Ono M. Modulation of the Pharmacokinetics of a Radioligand Targeting Carbonic Anhydrase-IX with Albumin-Binding Moieties. Mol Pharm 2021; 18:966-975. [PMID: 33472371 DOI: 10.1021/acs.molpharmaceut.0c00953] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The expression of carbonic anhydrase-IX (CA-IX) in tumors can lead to a poor prognosis; thus, CA-IX has attracted much attention as a target molecule for cancer diagnosis and treatment. An 111In-labeled imidazothiadiazole sulfonamide (IS) derivative, [111In]In-DO3A-IS1, exhibited marked tumor accumulation but also marked renal accumulation, raising concerns about it producing a low signal/background ratio and a high radiation burden on the kidneys. In this study, four 111In-labeled IS derivatives, IS-[111In]In-DO2A-ALB1-4, which contained four different kinds of albumin binder (ALB) moieties, were designed and synthesized with the aim of improving the pharmacokinetics of [111In]In-DO3A-IS1. Their utility for imaging tumors that strongly express CA-IX was evaluated in mice. An in vitro binding assay of cells that strongly expressed CA-IX (HT-29 cells) was performed using acetazolamide as a competitor against CA-IX, and IS-[111In]In-DO2A-ALB1-4 did not exhibit reduced binding to HT-29 cells compared with [111In]In-DO3A-IS1. In contrast, IS-[111In]In-DO2A-ALB1-4 showed a greater ability to bind to human serum albumin than [111In]In-DO3A-IS1 in vitro. In an in vivo biodistribution study, the introduction of an ALB moiety into the 111In-labeled IS derivative markedly decreased renal accumulation and increased HT-29 tumor accumulation and blood retention. The pharmacokinetics of the IS derivatives varied depending on the substituted group within the ALB moiety. Single-photon emission computed tomography imaging with IS-[111In]In-DO2A-ALB1, which showed the highest tumor/kidney ratio in the biodistribution study, facilitated clear HT-29 tumor imaging, and no strong signals were observed in the normal organs. These results indicate that IS-[111In]In-DO2A-ALB1 may be an effective CA-IX imaging probe and that the introduction of ALB moieties may improve the pharmacokinetics of CA-IX ligands.
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Affiliation(s)
- Shimpei Iikuni
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yuya Okada
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yoichi Shimizu
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan.,Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hiroyuki Watanabe
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
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13
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Supuran CT. Experimental Carbonic Anhydrase Inhibitors for the Treatment of Hypoxic Tumors. J Exp Pharmacol 2020; 12:603-617. [PMID: 33364855 DOI: 10.2147/jep.s265620] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 11/28/2020] [Indexed: 12/18/2022] Open
Abstract
Carbonic anhydrase (CA, EC 4.2.1.1) isoforms IX and XII are overexpressed in many hypoxic tumors as a consequence of the hypoxia inducible factor (HIF) activation cascade, being present in limited amounts in normal tissues. These enzymes together with many others are involved in the pH regulation and metabolism of hypoxic cancer cells, and were validated as antitumor targets recently. A multitude of targeting strategies against these enzymes have been proposed and are reviewed in this article. The small molecule inhibitors, small molecule drug conjugates (SMDCs), antibody-drug conjugates (ADACs) or cytokine-drug conjugates but not the monoclonal antibodies against CA IX/XII will be discussed. Relevant synthetic chemistry efforts, coupled with a multitude of preclinical studies, demonstrated that CA IX/XII inhibition leads to the inhibition of growth of primary tumors and metastases and depletes cancer stem cell populations, all factors highly relevant in clinical settings. One small molecule inhibitor, sulfonamide SLC-0111, is the most advanced candidate, having completed Phase I and being now in Phase Ib/II clinical trials for the treatment of advanced hypoxic solid tumors.
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Affiliation(s)
- Claudiu T Supuran
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence 50019, Italy
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14
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Iikuni S, Watanabe H, Shimizu Y, Nakamoto Y, Ono M. PET imaging and pharmacological therapy targeting carbonic anhydrase-IX high-expressing tumors using US2 platform based on bivalent ureidosulfonamide. PLoS One 2020; 15:e0243327. [PMID: 33296398 PMCID: PMC7725290 DOI: 10.1371/journal.pone.0243327] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 11/18/2020] [Indexed: 02/07/2023] Open
Abstract
Carbonic anhydrase-IX (CA-IX) is attracting much attention as a target molecule for cancer treatment since high expression of CA-IX can lead to a poor prognosis of patients. We previously reported low-molecular-weight 111In/90Y complexes with a bivalent ureidosulfonamide scaffold ([111In/90Y]In/Y-US2) as cancer radiotheranostic agents for single photon emission computed tomography and radionuclide-based therapy targeting CA-IX. Here, we applied the US2 platform to positron emission tomography (PET) imaging and pharmacological therapy targeting CA-IX high-expressing tumors by introducing 68Ga and natIn, respectively. In an in vitro cell binding assay, [67Ga]Ga-US2, an alternative complex of [68Ga]Ga-US2 with a longer half-life, markedly bound to CA-IX high-expressing (HT-29) cells compared with low-expressing (MDA-MB-231) cells. In a biodistribution study with HT-29 and MDA-MB-231 tumor-bearing mice, [67Ga]Ga-US2 showed accumulation in the HT-29 tumor (3.81% injected dose/g at 60 min postinjection) and clearance from the blood pool with time. PET with [68Ga]Ga-US2 clearly visualized the HT-29 tumor in model mice at 60 min postinjection. In addition, the administration of [natIn]In-US2 to HT-29 tumor-bearing mice led to tumor growth delay and prolonged mouse survival, while no critical toxicity was observed. These results indicate that [68Ga]Ga-US2 and [natIn]In-US2 may be useful imaging and therapeutic agents targeting CA-IX, respectively, and that US2 may serve as an effective cancer theranostic platform utilizing CA-IX.
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Affiliation(s)
- Shimpei Iikuni
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
- * E-mail: (SI); (MO)
| | - Hiroyuki Watanabe
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Yoichi Shimizu
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
- * E-mail: (SI); (MO)
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15
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Burianova V, Kalinin S, Supuran CT, Krasavin M. Radiotracers for positron emission tomography (PET) targeting tumour-associated carbonic anhydrase isoforms. Eur J Med Chem 2020; 213:113046. [PMID: 33303236 DOI: 10.1016/j.ejmech.2020.113046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/20/2020] [Accepted: 11/22/2020] [Indexed: 12/11/2022]
Abstract
The tumour-associated, cell membrane-bound isoforms IX and XII of human carbonic anhydrase (CA, EC 4.2.1.1) are overexpressed in cancer cells contributing to the hypoxic tumour pH/metabolism regulating machinery and as thus, can serve as markers of malignant neoplastic tissue. Inhibitors of CAs can be employed both for the treatment of hypoxic tumours and in the design of radiotracers for positron emission tomography and imaging of such cancers. The present review provides a comprehensive summary of the progress achieved to-date in the field of developing PET-tracers based on monoclonal antibodies, biomolecules, and small-molecule ligands of CA IX and XII.
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Affiliation(s)
- Valeria Burianova
- Institute of Chemistry, St. Petersburg State University, St. Petersburg, Russia
| | - Stanislav Kalinin
- Institute of Chemistry, St. Petersburg State University, St. Petersburg, Russia
| | - Claudiu T Supuran
- Neurofarba Department, Section of Pharmaceutical Sciences, University of Florence, Florence, Italy.
| | - Mikhail Krasavin
- Institute of Chemistry, St. Petersburg State University, St. Petersburg, Russia.
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16
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Iikuni S, Okada Y, Shimizu Y, Watanabe H, Ono M. Synthesis and evaluation of indium-111-labeled imidazothiadiazole sulfonamide derivative for single photon emission computed tomography imaging targeting carbonic anhydrase-IX. Bioorg Med Chem Lett 2020; 30:127255. [PMID: 32527556 DOI: 10.1016/j.bmcl.2020.127255] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/07/2020] [Accepted: 05/09/2020] [Indexed: 12/31/2022]
Abstract
Carbonic anhydrase-IX (CA-IX) is a zinc enzyme overexpressed in the hypoxic regions of many types of solid tumors; therefore, in vivo imaging of CA-IX may contribute to cancer diagnosis. In this study, we newly designed and synthesized an 111In-labeled CA-IX imaging agent based on an imidazothiadiazole sulfonamide (IS) scaffold conjugated with a chelating moiety, DO3A ([111In]DO3A-IS1), and evaluated its utility for imaging of CA-IX high-expressing tumors. [111In]DO3A-IS1 was successfully synthesized at a 76% radiochemical yield by reacting its precursor with 111InCl3 in acetate buffer. In in vitro assays, [111In]DO3A-IS1 showed marked stability in murine plasma and greater binding to CA-IX high-expressing (HT-29) cells (118 ± 21% initial dose/mg protein) than CA-IX low-expressing (MDA-MB-231) cells (1.4 ± 0.3% initial dose/mg protein). Moreover, in an in vivo biodistribution assay, [111In]DO3A-IS1 showed marked accumulation in the HT-29 tumor (8.71 ± 1.41% injected dose/g at 24 h postinjection). In addition, in a single photon emission computed tomography (SPECT) study, [111In]DO3A-IS1 clearly and selectively visualized the HT-29 tumor as compared with the MDA-MB-231 tumor. These results indicate that [111In]DO3A-IS1 may serve as a useful SPECT imaging agent with the novel scaffold targeting CA-IX.
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Affiliation(s)
- Shimpei Iikuni
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yuya Okada
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yoichi Shimizu
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Hiroyuki Watanabe
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan.
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17
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Chen KT, Nieuwenhuizen J, Handula M, Seimbille Y. A novel clickable MSAP agent for dual fluorescence/nuclear labeling of biovectors. Org Biomol Chem 2020; 18:6134-6139. [DOI: 10.1039/d0ob01222j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Simple and efficient synthesis of dual-modality imaging agents for preoperative surgical planning and intraoperative surgical guidance.
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Affiliation(s)
- Kuo-Ting Chen
- Erasmus MC
- University Medical Center Rotterdam
- Department of Radiology and Nuclear Medicine
- Rotterdam
- The Netherlands
| | - Jim Nieuwenhuizen
- Erasmus MC
- University Medical Center Rotterdam
- Department of Radiology and Nuclear Medicine
- Rotterdam
- The Netherlands
| | - Maryana Handula
- Erasmus MC
- University Medical Center Rotterdam
- Department of Radiology and Nuclear Medicine
- Rotterdam
- The Netherlands
| | - Yann Seimbille
- Erasmus MC
- University Medical Center Rotterdam
- Department of Radiology and Nuclear Medicine
- Rotterdam
- The Netherlands
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18
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Nocentini A, Supuran CT. Advances in the structural annotation of human carbonic anhydrases and impact on future drug discovery. Expert Opin Drug Discov 2019; 14:1175-1197. [DOI: 10.1080/17460441.2019.1651289] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Alessio Nocentini
- Department of Neuroscience, Psychology, Drug Research and Child’s Health (NEUROFARBA), Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Florence, Italy
| | - Claudiu T. Supuran
- Department of Neuroscience, Psychology, Drug Research and Child’s Health (NEUROFARBA), Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Florence, Italy
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Iikuni S, Tanimura K, Watanabe H, Shimizu Y, Saji H, Ono M. Development of the 99mTc-Hydroxamamide Complex as a Probe Targeting Carbonic Anhydrase IX. Mol Pharm 2019; 16:1489-1497. [PMID: 30892905 DOI: 10.1021/acs.molpharmaceut.8b01120] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Carbonic anhydrase IX (CA-IX) is regarded as a favorable target for in vivo imaging because of its specific expression in hypoxic regions of tumors. Hypoxia assists tumor propagation and growth and is resistant to chemotherapy and radiotherapy. Here, we designed and synthesized [99mTc]hydroxamamide ([99mTc]Ham) and [99mTc]methyl-substituted-hydroxamamide ([99mTc]MHam) complexes including a bivalent CA-IX ligand, sulfonamide (SA), and ureidosulfonamide (UR). In a cell binding assay, [99mTc]Ham complexes with bivalent SA ([99mTc]SAB2A and [99mTc]SAB2B) and UR ([99mTc]URB2A and [99mTc]URB2B) showed significantly greater uptake into CA-IX high-expressing (HT-29) cells than that into CA-IX low-expressing cells. Since the binding affinity of [99mTc]URB2A and [99mTc]URB2B for CA-IX was significantly higher than that of [99mTc]SAB2A and [99mTc]SAB2B, we additionally synthesized [99mTc]MURB2 (a [99mTc]MHam complex with bivalent UR) and evaluated the CA-IX-specific binding affinity of [99mTc]URB2A, [99mTc]URB2B, and [99mTc]MURB2. Their uptake into HT-29 cells was reduced by the addition of a CA inhibitor, acetazolamide, suggesting their CA-IX-specific binding affinity. A biodistribution study in HT-29 tumor-bearing mice was carried out using [99mTc]URB2A and [99mTc]MURB2 with the highest specificity for HT-29 cells. [99mTc]URB2A showed moderate tumor uptake and reduction by coinjection with acetazolamide; however, the tumor/blood ratio was insufficient for in vivo imaging. These results provided key information for the design of novel Ham-based imaging probes targeting CA-IX.
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Affiliation(s)
- Shimpei Iikuni
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences , Kyoto University , 46-29 Yoshida Shimoadachi-cho, Sakyo-ku , Kyoto 606-8501 , Japan
| | - Keiichi Tanimura
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences , Kyoto University , 46-29 Yoshida Shimoadachi-cho, Sakyo-ku , Kyoto 606-8501 , Japan
| | - Hiroyuki Watanabe
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences , Kyoto University , 46-29 Yoshida Shimoadachi-cho, Sakyo-ku , Kyoto 606-8501 , Japan
| | - Yoichi Shimizu
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences , Kyoto University , 46-29 Yoshida Shimoadachi-cho, Sakyo-ku , Kyoto 606-8501 , Japan
| | - Hideo Saji
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences , Kyoto University , 46-29 Yoshida Shimoadachi-cho, Sakyo-ku , Kyoto 606-8501 , Japan
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences , Kyoto University , 46-29 Yoshida Shimoadachi-cho, Sakyo-ku , Kyoto 606-8501 , Japan
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Fluorine-18 click radiosynthesis and microPET/CT evaluation of a small peptide-a potential PET probe for carbonic anhydrase IX. Bioorg Med Chem 2019; 27:785-789. [DOI: 10.1016/j.bmc.2019.01.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/12/2019] [Accepted: 01/16/2019] [Indexed: 12/20/2022]
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21
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Čepa A, Ráliš J, Marešová L, Kleinová M, Seifert D, Sieglová I, Král V, Polášek M, Paurová M, Lázníček M, Lebeda O. Radiolabeling of the antibody IgG M75 for epitope of human carbonic anhydrase IX by 61Cu and 64Cu and its biological testing. Appl Radiat Isot 2019; 143:87-97. [DOI: 10.1016/j.apradiso.2018.10.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 10/16/2018] [Accepted: 10/23/2018] [Indexed: 10/28/2022]
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22
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Huizing FJ, Hoeben BAW, Franssen GM, Boerman OC, Heskamp S, Bussink J. Quantitative Imaging of the Hypoxia-Related Marker CAIX in Head and Neck Squamous Cell Carcinoma Xenograft Models. Mol Pharm 2018; 16:701-708. [PMID: 30550290 PMCID: PMC6364270 DOI: 10.1021/acs.molpharmaceut.8b00950] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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Tumor hypoxia plays a major role
in radio- and chemotherapy resistance
in solid tumors. Carbonic Anhydrase IX (CAIX) is an endogenous hypoxia-related
protein, which is associated with poor patient outcome. The quantitative
assessment of CAIX expression of tumors may steer cancer treatment
by predicting therapy response or patient selection for antihypoxia
or CAIX-targeted treatment. Recently, the single-photon emission computerized
tomography (SPECT) tracer [111In]In-DTPA-girentuximab-F(ab′)2 was developed and validated for targeting CAIX. The aim of
this study was to optimize quantitative microSPECT/CT of CAIX expression in vivo in head and neck tumor models. Athymic mice with
subcutaneous SCCNij153 and SCCNij202 head and neck squamous cell carcinoma
xenografts were injected with [111In]In-DTPA-girentuximab-F(ab′)2. First, the protein dose, timing, and image acquisition settings
were optimized. Tracer uptake was determined by quantitative SPECT, ex vivo radioactivity counting, and by autoradiography of
tumor sections. The same tumor sections were immunohistochemically
stained for CAIX expression and hypoxia. Highest tumor-normal-tissue
contrast was obtained at 24 h after injection of the tracer. A protein
dose of 10 μg resulted in the highest tumor-to-muscle ratio
at 24 h p.i. Ex vivo biodistribution studies showed
a tumor uptake of 3.0 ± 0.6%ID/g and a tumor-to-muscle ratio
of 8.7 ± 1.4 (SCCNij153). Quantitative analysis of the SPECT
images enabled us to distinguish CAIX antigen blocked from nonblocked
tumors, fractions positive for CAIX expression: 0.22 ± 0.02 versus
0.08 ± 0.01 (p < 0.01). Immunohistochemical,
autoradiographic, and microSPECT/CT analyses showed a distinct intratumoral
spatial correlation between localization of the radiotracer and CAIX
expression. Here, we demonstrate that [111In]In-DTPA-girentuximab-F(ab′)2 specifically targets CAIX-expressing cells in head and neck
cancer xenografts. SPECT imaging with indium-labeled girentuximab-F(ab′)2 allows quantitative assessment of the fraction of CAIX positive
tissue in head and neck cancer xenografts. These results indicate
that [111In]In-DTPA-girentuximab-F(ab′)2 is a promising tracer to image hypoxia-related CAIX expression.
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Chen KT, Nguyen K, Ieritano C, Gao F, Seimbille Y. A Flexible Synthesis of 68Ga-Labeled Carbonic Anhydrase IX (CAIX)-Targeted Molecules via CBT/1,2-Aminothiol Click Reaction. Molecules 2018; 24:molecules24010023. [PMID: 30577607 PMCID: PMC6337199 DOI: 10.3390/molecules24010023] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 12/14/2018] [Accepted: 12/19/2018] [Indexed: 12/21/2022] Open
Abstract
We herein describe a flexible synthesis of a small library of 68Ga-labeled CAIX-targeted molecules via an orthogonal 2-cyanobenzothiazole (CBT)/1,2-aminothiol click reaction. Three novel CBT-functionalized chelators (1–3) were successfully synthesized and labeled with the positron emitter gallium-68. Cross-ligation between the pre-labeled bifunctional chelators (BFCs) and the 1,2-aminothiol-acetazolamide derivatives (8 and 9) yielded six new 68Ga-labeled CAIX ligands with high radiochemical yields. The click reaction conditions were optimized to improve the reaction rate for applications with short half-life radionuclides. Overall, our methodology allows for a simple and efficient radiosynthetic route to produce a variety of 68Ga-labeled imaging agents for tumor hypoxia.
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Affiliation(s)
- Kuo-Ting Chen
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands.
| | - Kevin Nguyen
- Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T2A3, Canada.
| | - Christian Ieritano
- Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T2A3, Canada.
| | - Feng Gao
- Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T2A3, Canada.
| | - Yann Seimbille
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands.
- Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T2A3, Canada.
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Supuran CT. Carbonic anhydrase inhibitors as emerging agents for the treatment and imaging of hypoxic tumors. Expert Opin Investig Drugs 2018; 27:963-970. [PMID: 30426805 DOI: 10.1080/13543784.2018.1548608] [Citation(s) in RCA: 170] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Hypoxic tumors overexpress two carbonic anhydrases (CA, EC 4.2.1.1), CA IX and XII, involved in complex processes connected to tumorigenesis (pH regulation, metabolism, invasion, and dissemination of the tumor). The biochemical rationale behind these processes is orchestrated by the transcription factor hypoxia inducible factor 1 (HIF-1). AREAS COVERED CA IX and XII have been validated as antitumor/antimetastatic drug targets and may be used for imaging hypoxic tumors. Many CA inhibitors (CAIs) belonging to the sulfonamide, coumarin and sulfocoumarin classes selectively inhibit these two isoforms. CA IX/XII inhibitors inhibit the growth of primary tumors and the formation of metastases and deplete the cancer stem cell population, alone or in combination with other agents. These are three beneficial antitumor mechanisms that make them unique among anticancer drugs available. EXPERT OPINION Indisulam entered clinical trials as an antitumor sulfonamide; it progressed to Phase II trials but was terminated in 2016. However, SLC-0111, a sulfonamide CA IX/XII inhibitor 1, recently completed a successful Phase I clinical trial for the treatment of advanced, metastatic solid tumors. This compound is now in Phase Ib/II clinical trials and is being assessed as a monotherapy or in combination with other agents such as gemcitabine. CA IX/XII inhibitors are synergistic with other anticancer agents (cisplatin, proton pump inhibitors, doxorubicin, temozolamide) and are a versatile, emerging class of antitumor drugs.
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Affiliation(s)
- Claudiu T Supuran
- a NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Sesto Fiorentino (Firenze) , Italy
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25
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Kuo HT, Pan J, Zhang Z, Lau J, Merkens H, Zhang C, Colpo N, Lin KS, Bénard F. Effects of Linker Modification on Tumor-to-Kidney Contrast of 68Ga-Labeled PSMA-Targeted Imaging Probes. Mol Pharm 2018; 15:3502-3511. [DOI: 10.1021/acs.molpharmaceut.8b00499] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Hsiou-Ting Kuo
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
| | - Jinhe Pan
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
| | - Zhengxing Zhang
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
| | - Joseph Lau
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
| | - Helen Merkens
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
| | - Chengcheng Zhang
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
| | - Nadine Colpo
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
| | - Kuo-Shyan Lin
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
- Department of Functional Imaging, BC Cancer, Vancouver, BC V5Z 4E6, Canada
- Department of Radiology, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
| | - François Bénard
- Department of Molecular Oncology, BC Cancer, Vancouver, BC V5Z 1L3, Canada
- Department of Functional Imaging, BC Cancer, Vancouver, BC V5Z 4E6, Canada
- Department of Radiology, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
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26
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Iikuni S, Ono M, Watanabe H, Shimizu Y, Sano K, Saji H. Cancer radiotheranostics targeting carbonic anhydrase-IX with 111In- and 90Y-labeled ureidosulfonamide scaffold for SPECT imaging and radionuclide-based therapy. Theranostics 2018; 8:2992-3006. [PMID: 29896298 PMCID: PMC5996370 DOI: 10.7150/thno.20982] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 02/27/2018] [Indexed: 12/15/2022] Open
Abstract
Hypoxic cells dynamically translocate during tumor growth and after radiotherapy. The most desirable direction for therapy targeting hypoxic cells is combining imaging and therapy (theranostics), which may help realize personalized medicine. Here, we conducted cancer radiotheranostics targeting carbonic anhydrase-IX (CA-IX), which is overexpressed in many kinds of hypoxic cancer cells, using low-molecular-weight 111In and 90Y complexes with a bivalent ureidosulfonamide scaffold as the CA-IX-binding moiety ([111In/90Y]US2). Methods: The targeting ability of [111In]US2 was evaluated by in vivo biodistribution study in CA-IX high-expressing (HT-29) tumor-bearing mice. In vivo imaging of HT-29 tumors was carried out using single photon emission computed tomography (SPECT). [90Y]US2 was administered to HT-29 tumor-bearing mice to evaluate cancer therapeutic effects. Results: [111In]US2 highly and selectively accumulated within HT-29 tumors (4.57% injected dose/g tumor at 1 h postinjection), was rapidly cleared from the blood pool and muscle after 4 h based on a biodistribution study, and visualized HT-29 tumor xenografts in mice at 4 h postinjection with SPECT. Radionuclide-based therapy with [90Y]US2 significantly delayed HT-29 tumor growth compared with that of untreated mice (P = 0.02 on day 28, Student's t-test), without any critical hematological toxicity due to its rapid pharmacokinetics. Conclusion: These results indicate that cancer radiotheranostics with [111In/90Y]US2 provides a novel strategy of theranostics for cancer hypoxia.
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Affiliation(s)
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
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27
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Supuran CT, Alterio V, Di Fiore A, D' Ambrosio K, Carta F, Monti SM, De Simone G. Inhibition of carbonic anhydrase IX targets primary tumors, metastases, and cancer stem cells: Three for the price of one. Med Res Rev 2018; 38:1799-1836. [PMID: 29635752 DOI: 10.1002/med.21497] [Citation(s) in RCA: 184] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 01/22/2018] [Accepted: 03/02/2018] [Indexed: 12/12/2022]
Abstract
Human carbonic anhydrase (CA) IX is a tumor-associated protein, since it is scarcely present in normal tissues, but highly overexpressed in a large number of solid tumors, where it actively contributes to survival and metastatic spread of tumor cells. Due to these features, the characterization of its biochemical, structural, and functional features for drug design purposes has been extensively carried out, with consequent development of several highly selective small molecule inhibitors and monoclonal antibodies to be used for different purposes. Aim of this review is to provide a comprehensive state-of-the-art of studies performed on this enzyme, regarding structural, functional, and biomedical aspects, as well as the development of molecules with diagnostic and therapeutic applications for cancer treatment. A brief description of additional pharmacologic applications for CA IX inhibition in other diseases, such as arthritis and ischemia, is also provided.
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Affiliation(s)
- Claudiu T Supuran
- Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Università degli Studi di Firenze, Florence, Italy
| | | | - Anna Di Fiore
- Istituto di Biostrutture e Bioimmagini-CNR, Naples, Italy
| | | | - Fabrizio Carta
- Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Università degli Studi di Firenze, Florence, Italy
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Acetazolamide-based [ 18 F]-PET tracer: In vivo validation of carbonic anhydrase IX as a sole target for imaging of CA-IX expressing hypoxic solid tumors. Bioorg Med Chem Lett 2018; 28:915-921. [DOI: 10.1016/j.bmcl.2018.01.060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/25/2018] [Accepted: 01/28/2018] [Indexed: 02/05/2023]
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Mirabello V, Cortezon-Tamarit F, Pascu SI. Oxygen Sensing, Hypoxia Tracing and in Vivo Imaging with Functional Metalloprobes for the Early Detection of Non-communicable Diseases. Front Chem 2018; 6:27. [PMID: 29527524 PMCID: PMC5829448 DOI: 10.3389/fchem.2018.00027] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 02/02/2018] [Indexed: 01/10/2023] Open
Abstract
Hypoxia has been identified as one of the hallmarks of tumor environments and a prognosis factor in many cancers. The development of ideal chemical probes for imaging and sensing of hypoxia remains elusive. Crucial characteristics would include a measurable response to subtle variations of pO2 in living systems and an ability to accumulate only in the areas of interest (e.g., targeting hypoxia tissues) whilst exhibiting kinetic stabilities in vitro and in vivo. A sensitive probe would comprise platforms for applications in imaging and therapy for non-communicable diseases (NCDs) relying on sensitive detection of pO2. Just a handful of probes for the in vivo imaging of hypoxia [mainly using positron emission tomography (PET)] have reached the clinical research stage. Many chemical compounds, whilst presenting promising in vitro results as oxygen-sensing probes, are facing considerable disadvantages regarding their general application in vivo. The mechanisms of action of many hypoxia tracers have not been entirely rationalized, especially in the case of metallo-probes. An insight into the hypoxia selectivity mechanisms can allow an optimization of current imaging probes candidates and this will be explored hereby. The mechanistic understanding of the modes of action of coordination compounds under oxygen concentration gradients in living cells allows an expansion of the scope of compounds toward in vivo applications which, in turn, would help translate these into clinical applications. We summarize hereby some of the recent research efforts made toward the discovery of new oxygen sensing molecules having a metal-ligand core. We discuss their applications in vitro and/or in vivo, with an appreciation of a plethora of molecular imaging techniques (mainly reliant on nuclear medicine techniques) currently applied in the detection and tracing of hypoxia in the preclinical and clinical setups. The design of imaging/sensing probe for early-stage diagnosis would longer term avoid invasive procedures providing platforms for therapy monitoring in a variety of NCDs and, particularly, in cancers.
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30
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Nunes PSG, Zhang Z, Kuo HT, Zhang C, Rousseau J, Rousseau E, Lau J, Kwon D, Carvalho I, Bénard F, Lin KS. Synthesis and evaluation of an 18
F-labeled trifluoroborate derivative of 2-nitroimidazole for imaging tumor hypoxia with positron emission tomography. J Labelled Comp Radiopharm 2018; 61:370-379. [DOI: 10.1002/jlcr.3594] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 12/02/2017] [Accepted: 12/04/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Paulo Sérgio Gonçalves Nunes
- School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo; Ribeirão Preto SP Brazil
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Zhengxing Zhang
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Hsiou-Ting Kuo
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Chengcheng Zhang
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Julie Rousseau
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Etienne Rousseau
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Joseph Lau
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Daniel Kwon
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
| | - Ivone Carvalho
- School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo; Ribeirão Preto SP Brazil
| | - François Bénard
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
- Department of Functional Imaging; BC Cancer Agency; Vancouver BC Canada
- Department of Radiology; University of British Columbia; Vancouver BC Canada
| | - Kuo-Shyan Lin
- Department of Molecular Oncology; BC Cancer Agency; Vancouver BC Canada
- Department of Functional Imaging; BC Cancer Agency; Vancouver BC Canada
- Department of Radiology; University of British Columbia; Vancouver BC Canada
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31
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Duan D, Liu H, Xu Y, Han Y, Xu M, Zhang Z, Liu Z. Activating TiO 2 Nanoparticles: Gallium-68 Serves as a High-Yield Photon Emitter for Cerenkov-Induced Photodynamic Therapy. ACS APPLIED MATERIALS & INTERFACES 2018; 10:5278-5286. [PMID: 29368518 DOI: 10.1021/acsami.7b17902] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The classical photodynamic therapy (PDT) requires external light to activate photosensitizers for cancer treatment. However, limited tissue penetration of light has been a long-standing challenge for PDT to cure malignant tumors in deep tissues. Recently, Cerenkov radiation (CR) emitted by radiotracers such as 18F-fluorodeoxyglucose (18F-FDG) has become an alternative and promising internal light source. Nevertheless, fluorine-18 (F-18) only releases 1.3 photons per decay in average; consequently, injection dose of F-18 goes beyond 10-30 times more than usual to acquire therapeutic efficacy because of its low Cerenkov productivity. Gallium-68 (Ga-68) is a favorable CR source owing to its ready availability from generator and 30-time higher Cerenkov productivity. Herein, we report, for the first time, the use of Ga-68 as a CR source to activate dextran-modified TiO2 nanoparticles (D-TiO2 NPs) for CR-induced PDT. Compared with 18F-FDG, 68Ga-labeled bovine serum albumin (68Ga-BSA) inhibited the growth of 4T1 cells and exhibited significantly stronger DNA damage to tumor cells. In vivo studies showed that the tumor growth was almost completely inhibited when tumor-bearing mice were treated with a combination of D-TiO2 NPs and 68Ga-BSA. This study proved that Ga-68 is a more potent radionuclide for PDT than F-18 both in vitro and in vivo offered a promising strategy of using a diagnostic dose of radioactivity to achieve depth-independent cancer therapy without using any external light source.
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Affiliation(s)
- Dongban Duan
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, and ‡Peking-Tsinghua Center for Life Sciences, Peking University , Beijing 100871, China
| | - Hui Liu
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, and ‡Peking-Tsinghua Center for Life Sciences, Peking University , Beijing 100871, China
| | - Yang Xu
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, and ‡Peking-Tsinghua Center for Life Sciences, Peking University , Beijing 100871, China
| | - Yuxiang Han
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, and ‡Peking-Tsinghua Center for Life Sciences, Peking University , Beijing 100871, China
| | - Mengxin Xu
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, and ‡Peking-Tsinghua Center for Life Sciences, Peking University , Beijing 100871, China
| | - Zhengchu Zhang
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, and ‡Peking-Tsinghua Center for Life Sciences, Peking University , Beijing 100871, China
| | - Zhibo Liu
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, and ‡Peking-Tsinghua Center for Life Sciences, Peking University , Beijing 100871, China
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Cohen AS, Khalil FK, Welsh EA, Schabath MB, Enkemann SA, Davis A, Zhou JM, Boulware DC, Kim J, Haura EB, Morse DL. Cell-surface marker discovery for lung cancer. Oncotarget 2017; 8:113373-113402. [PMID: 29371917 PMCID: PMC5768334 DOI: 10.18632/oncotarget.23009] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 11/11/2017] [Indexed: 12/15/2022] Open
Abstract
Lung cancer is the leading cause of cancer deaths in the United States. Novel lung cancer targeted therapeutic and molecular imaging agents are needed to improve outcomes and enable personalized care. Since these agents typically cannot cross the plasma membrane while carrying cytotoxic payload or imaging contrast, discovery of cell-surface targets is a necessary initial step. Herein, we report the discovery and characterization of lung cancer cell-surface markers for use in development of targeted agents. To identify putative cell-surface markers, existing microarray gene expression data from patient specimens were analyzed to select markers with differential expression in lung cancer compared to normal lung. Greater than 200 putative cell-surface markers were identified as being overexpressed in lung cancers. Ten cell-surface markers (CA9, CA12, CXorf61, DSG3, FAT2, GPR87, KISS1R, LYPD3, SLC7A11 and TMPRSS4) were selected based on differential mRNA expression in lung tumors vs. non-neoplastic lung samples and other normal tissues, and other considerations involving known biology and targeting moieties. Protein expression was confirmed by immunohistochemistry (IHC) staining and scoring of patient tumor and normal tissue samples. As further validation, marker expression was determined in lung cancer cell lines using microarray data and Kaplan–Meier survival analyses were performed for each of the markers using patient clinical data. High expression for six of the markers (CA9, CA12, CXorf61, GPR87, LYPD3, and SLC7A11) was significantly associated with worse survival. These markers should be useful for the development of novel targeted imaging probes or therapeutics for use in personalized care of lung cancer patients.
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Affiliation(s)
- Allison S Cohen
- Department of Cancer Imaging and Metabolism, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Farah K Khalil
- Department of Anatomic Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Eric A Welsh
- Biomedical Informatics Shared Resource, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Matthew B Schabath
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Steven A Enkemann
- Molecular Genomics Shared Resource, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Andrea Davis
- Department of Cancer Imaging and Metabolism, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Jun-Min Zhou
- Biostatistics Shared Resource, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - David C Boulware
- Biostatistics Shared Resource, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Jongphil Kim
- Department of Biostatistics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.,Department of Oncologic Sciences, College of Medicine, University of South Florida, Tampa, FL, USA
| | - Eric B Haura
- Department of Thoracic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - David L Morse
- Department of Cancer Imaging and Metabolism, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.,Department of Oncologic Sciences, College of Medicine, University of South Florida, Tampa, FL, USA.,Department of Physics, College of Arts and Sciences, University of South Florida, Tampa, FL, USA
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Lau J, Lin KS, Bénard F. Past, Present, and Future: Development of Theranostic Agents Targeting Carbonic Anhydrase IX. Am J Cancer Res 2017; 7:4322-4339. [PMID: 29158829 PMCID: PMC5695016 DOI: 10.7150/thno.21848] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 08/18/2017] [Indexed: 12/15/2022] Open
Abstract
Theranostics is the integration of diagnostic information with pharmaceuticals to increase effectiveness and safety of cancer treatments. Nuclear medicine provides a non-invasive means to visualize drug target expression across primary and metastatic sites, and assess pharmacokinetics and efficacy of companion therapeutic agents. This is significant given the increasing recognition of the importance of clonal heterogeneity in treatment response and resistance. Carbonic anhydrase IX (CA-IX) has been advocated as an attractive diagnostic and therapeutic biomarker for targeting hypoxia in solid malignancies. CA-IX confers cancer cell survival under low oxygen tension, and is associated with increased propensity for metastasis. As such, CA-IX is overexpressed in a broad spectrum of cancers. Different classes of antigen recognition molecules targeting CA-IX including monoclonal antibodies, peptides, small molecule inhibitors, and antibody mimetics have been radiolabeled for imaging and therapeutic applications. cG250, a chimeric monoclonal antibody, has been labeled with an assortment of radionuclides (124I, 111In, 89Zr, 131I, 90Y, and 177Lu) and is the most extensively investigated CA-IX radiopharmaceutical. In recent years, there have been tremendous advancements made by the research community in developing alternatives to cG250. Although still in preclinical settings, several small molecule inhibitors and antibody mimetics hold great promise in improving the management of aggressive and resistant cancers.
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34
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Carbonic Anhydrase Inhibition and the Management of Hypoxic Tumors. Metabolites 2017; 7:metabo7030048. [PMID: 28926956 PMCID: PMC5618333 DOI: 10.3390/metabo7030048] [Citation(s) in RCA: 166] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 09/15/2017] [Accepted: 09/15/2017] [Indexed: 02/07/2023] Open
Abstract
Hypoxia and acidosis are salient features of many tumors, leading to a completely different metabolism compared to normal cells. Two of the simplest metabolic products, protons and bicarbonate, are generated by the catalytic activity of the metalloenzyme carbonic anhydrase (CA, EC 4.2.1.1), with at least two of its isoforms, CA IX and XII, mainly present in hypoxic tumors. Inhibition of tumor-associated CAs leads to an impaired growth of the primary tumors, metastases and reduces the population of cancer stem cells, leading thus to a complex and beneficial anticancer action for this class of enzyme inhibitors. In this review, I will present the state of the art on the development of CA inhibitors (CAIs) targeting the tumor-associated CA isoforms, which may have applications for the treatment and imaging of cancers expressing them. Small molecule inhibitors, one of which (SLC-0111) completed Phase I clinical trials, and antibodies (girentuximab, discontinued in Phase III clinical trials) will be discussed, together with the various approaches used to design anticancer agents with a new mechanism of action based on interference with these crucial metabolites, protons and bicarbonate.
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35
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Zhang Z, Lau J, Zhang C, Colpo N, Nocentini A, Supuran CT, Bénard F, Lin KS. Design, synthesis and evaluation of 18F-labeled cationic carbonic anhydrase IX inhibitors for PET imaging. J Enzyme Inhib Med Chem 2017; 32:722-730. [PMID: 28385087 PMCID: PMC6445240 DOI: 10.1080/14756366.2017.1308928] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Carbonic anhydrase IX (CA-IX) is a marker for tumor hypoxia, and its expression is negatively correlated with patient survival. CA-IX represents a potential target for eliminating hypoxic cancers. We synthesized fluorinated cationic sulfonamide inhibitors 1-3 designed to target CA-IX. The binding affinity for CA-IX ranged from 0.22 to 0.96 μM. We evaluated compound 2 as a diagnostic PET imaging agent. Compound 2 was radiolabeled with 18F in 10 ± 4% decay-corrected radiochemical yield with 85.1 ± 70.3 GBq/μmol specific activity and >98% radiochemical purity. 18F-labeled 2 was stable in mouse plasma at 37 °C after 1 h incubation. PET/CT imaging was conducted at 1 h post-injection in a human colorectal cancer xenograft model. 18F-labeled 2 cleared through hepatobiliary and renal pathways. Tumor uptake was approximately 0.41 ± 0.06% ID/g, with a tumor-to-muscle ratio of 1.99 ± 0.25. Subsequently, tumor xenografts were visualized with moderate contrast. This study demonstrates the use of a cationic motif for conferring isoform selectively for CA-IX imaging agents.
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Affiliation(s)
- Zhengxing Zhang
- a Department of Molecular Oncology , BC Cancer Agency , Vancouver , British Columbia , Canada
| | - Joseph Lau
- a Department of Molecular Oncology , BC Cancer Agency , Vancouver , British Columbia , Canada
| | - Chengcheng Zhang
- a Department of Molecular Oncology , BC Cancer Agency , Vancouver , British Columbia , Canada
| | - Nadine Colpo
- a Department of Molecular Oncology , BC Cancer Agency , Vancouver , British Columbia , Canada
| | - Alessio Nocentini
- b Department of Neurofarba, Section of Pharmaceutical and Nutriceutical Sciences , Università Degli Studi Di Firenze , Florence , Italy
| | - Claudiu T Supuran
- b Department of Neurofarba, Section of Pharmaceutical and Nutriceutical Sciences , Università Degli Studi Di Firenze , Florence , Italy
| | - François Bénard
- a Department of Molecular Oncology , BC Cancer Agency , Vancouver , British Columbia , Canada.,c Department of Functional Imaging , BC Cancer Agency , Vancouver , British Columbia , Canada.,d Department of Radiology , University of British Columbia , Vancouver , British Columbia , Canada
| | - Kuo-Shyan Lin
- a Department of Molecular Oncology , BC Cancer Agency , Vancouver , British Columbia , Canada.,c Department of Functional Imaging , BC Cancer Agency , Vancouver , British Columbia , Canada.,d Department of Radiology , University of British Columbia , Vancouver , British Columbia , Canada
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Ramamonjisoa N, Ackerstaff E. Characterization of the Tumor Microenvironment and Tumor-Stroma Interaction by Non-invasive Preclinical Imaging. Front Oncol 2017; 7:3. [PMID: 28197395 PMCID: PMC5281579 DOI: 10.3389/fonc.2017.00003] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 01/05/2017] [Indexed: 12/13/2022] Open
Abstract
Tumors are often characterized by hypoxia, vascular abnormalities, low extracellular pH, increased interstitial fluid pressure, altered choline-phospholipid metabolism, and aerobic glycolysis (Warburg effect). The impact of these tumor characteristics has been investigated extensively in the context of tumor development, progression, and treatment response, resulting in a number of non-invasive imaging biomarkers. More recent evidence suggests that cancer cells undergo metabolic reprograming, beyond aerobic glycolysis, in the course of tumor development and progression. The resulting altered metabolic content in tumors has the ability to affect cell signaling and block cellular differentiation. Additional emerging evidence reveals that the interaction between tumor and stroma cells can alter tumor metabolism (leading to metabolic reprograming) as well as tumor growth and vascular features. This review will summarize previous and current preclinical, non-invasive, multimodal imaging efforts to characterize the tumor microenvironment, including its stromal components and understand tumor-stroma interaction in cancer development, progression, and treatment response.
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Affiliation(s)
- Nirilanto Ramamonjisoa
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ellen Ackerstaff
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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Coumarins and other fused bicyclic heterocycles with selective tumor-associated carbonic anhydrase isoforms inhibitory activity. Bioorg Med Chem 2017; 25:677-683. [DOI: 10.1016/j.bmc.2016.11.039] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 11/19/2016] [Accepted: 11/21/2016] [Indexed: 01/01/2023]
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Lv PC, Roy J, Putt KS, Low PS. Evaluation of Nonpeptidic Ligand Conjugates for the Treatment of Hypoxic and Carbonic Anhydrase IX-Expressing Cancers. Mol Cancer Ther 2016; 16:453-460. [PMID: 27980101 DOI: 10.1158/1535-7163.mct-16-0537] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 12/01/2016] [Accepted: 12/05/2016] [Indexed: 11/16/2022]
Abstract
The majority of tumors contain regions of hypoxia, which cause marked phenotypic changes to resident cells. This altered gene expression often leads to increased resistance to anticancer treatments. Therefore, elimination of these resistant hypoxic cells is crucial to prevent disease recurrence. Herein, we describe the selective delivery of imaging and chemotherapeutic agents to cells expressing carbonic anhydrase IX (CA IX), a highly upregulated hypoxia receptor. These agents were conjugated to a potent divalent CA IX ligand through a hydrophilic PEG linker. These conjugates are shown to bind CA IX-expressing cells in a receptor-dependent manner in vitro with mid-nanomolar affinities and in vivo with good tumor selectivity. In a mouse xenograft tumor model using HT-29 cells, a cytotoxic tubulysin B conjugate completely inhibited tumor growth. Overall, the targeting of a hypoxia marker, such as CA IX, to selectively deliver imaging or chemotherapeutic agents may lead to better treatment options for solid, hypoxic tumors. In addition, the combination of standard chemotherapeutics that are most potent in normoxic dividing cells and drugs specifically designed to eliminate hypoxic nondividing cells may elicit a superior clinical outcome. Mol Cancer Ther; 16(3); 453-60. ©2016 AACR.
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Affiliation(s)
- Peng-Cheng Lv
- Institute for Drug Discovery, Purdue University, West Lafayette, Indiana
- Department of Chemistry, Purdue University, West Lafayette, Indiana
| | - Jyoti Roy
- Institute for Drug Discovery, Purdue University, West Lafayette, Indiana
- Department of Chemistry, Purdue University, West Lafayette, Indiana
| | - Karson S Putt
- Institute for Drug Discovery, Purdue University, West Lafayette, Indiana
| | - Philip S Low
- Institute for Drug Discovery, Purdue University, West Lafayette, Indiana.
- Department of Chemistry, Purdue University, West Lafayette, Indiana
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Abstract
INTRODUCTION The enzyme carbonic anhydrase (CA, EC 4.2.1.1) is found in numerous organisms across the tree of life, with seven distinct classes known to date. CA inhibition can be exploited for the treatment of edema, glaucoma, seizures, obesity, cancer and infectious diseases. A myriad of CA inhibitor (CAI) classes and inhibition mechanisms have been identified over the past decade, mainly through structure-based drug design approaches. Five different CA inhibition mechanisms are presently known. Areas covered: Recent advances in structure-based CAI design are reviewed, with periodic table-based organization of inhibitor classes. Expert opinion: Various structure-based drug design studies have led to deep understanding of factors governing tight binding and selectivity for the various isoforms. Carboxylic acids, phenols, polyamines, diols, borols, boronic acids, coumarins and sulfonamides represent successful stories which led to an anti-tumor sulfonamide in Phase I clinical trials (SLC-0111). For many inhibitor classes, no detailed crystallographic data are available. Detailed structural characterization of all CAI classes may lead to further advances in the field with potential therapeutic implications in the management of indications including neuropathic pain, cerebral ischemia, arthritis and tumor imaging.
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Affiliation(s)
- Claudiu T Supuran
- a Neurofarba Department, Sezione di Scienze Farmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Sesto Fiorentino (Florence) , Italy
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Sneddon D, Niemans R, Bauwens M, Yaromina A, van Kuijk SJA, Lieuwes NG, Biemans R, Pooters I, Pellegrini PA, Lengkeek NA, Greguric I, Tonissen KF, Supuran CT, Lambin P, Dubois L, Poulsen SA. Synthesis and in Vivo Biological Evaluation of 68Ga-Labeled Carbonic Anhydrase IX Targeting Small Molecules for Positron Emission Tomography. J Med Chem 2016; 59:6431-43. [DOI: 10.1021/acs.jmedchem.6b00623] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Deborah Sneddon
- Eskitis
Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
| | - Raymon Niemans
- Maastricht
Radiation Oncology (MAASTRO Lab), GROW − School for Oncology
and Developmental Biology, Maastricht University, Medical Centre, 6200 MD Maastricht, The Netherlands
| | - Matthias Bauwens
- Departments
of Radiology and Nuclear Medicine, Maastricht University Medical Centre, 6202 AZ Maastricht, The Netherlands
| | - Ala Yaromina
- Maastricht
Radiation Oncology (MAASTRO Lab), GROW − School for Oncology
and Developmental Biology, Maastricht University, Medical Centre, 6200 MD Maastricht, The Netherlands
| | - Simon J. A. van Kuijk
- Maastricht
Radiation Oncology (MAASTRO Lab), GROW − School for Oncology
and Developmental Biology, Maastricht University, Medical Centre, 6200 MD Maastricht, The Netherlands
| | - Natasja G. Lieuwes
- Maastricht
Radiation Oncology (MAASTRO Lab), GROW − School for Oncology
and Developmental Biology, Maastricht University, Medical Centre, 6200 MD Maastricht, The Netherlands
| | - Rianne Biemans
- Maastricht
Radiation Oncology (MAASTRO Lab), GROW − School for Oncology
and Developmental Biology, Maastricht University, Medical Centre, 6200 MD Maastricht, The Netherlands
| | - Ivo Pooters
- Departments
of Radiology and Nuclear Medicine, Maastricht University Medical Centre, 6202 AZ Maastricht, The Netherlands
| | - Paul A. Pellegrini
- LifeSciences
Division, Australian Nuclear Science and Technology Organisation (ANSTO), Locked Bag 2001, Kirrawee DC, New South Wales 2232, Australia
| | - Nigel A. Lengkeek
- LifeSciences
Division, Australian Nuclear Science and Technology Organisation (ANSTO), Locked Bag 2001, Kirrawee DC, New South Wales 2232, Australia
| | - Ivan Greguric
- LifeSciences
Division, Australian Nuclear Science and Technology Organisation (ANSTO), Locked Bag 2001, Kirrawee DC, New South Wales 2232, Australia
| | - Kathryn F. Tonissen
- Eskitis
Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
| | - Claudiu T. Supuran
- Dipartimento
Neurofarba, Sezione di Scienze Farmaceutiche, Polo Scientifico, Università degli Studi di Firenze, 50019 Sesto Fiorentino, Italy
| | - Philippe Lambin
- Maastricht
Radiation Oncology (MAASTRO Lab), GROW − School for Oncology
and Developmental Biology, Maastricht University, Medical Centre, 6200 MD Maastricht, The Netherlands
| | - Ludwig Dubois
- Maastricht
Radiation Oncology (MAASTRO Lab), GROW − School for Oncology
and Developmental Biology, Maastricht University, Medical Centre, 6200 MD Maastricht, The Netherlands
| | - Sally-Ann Poulsen
- Eskitis
Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
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