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Capik O, Gundogdu B, Tatar A, Sahin A, Chen F, Creighton CJ, Karatas OF. Oncogenic miR-1825 promotes head and neck carcinogenesis via targeting FREM1. J Cell Biochem 2023; 124:1628-1645. [PMID: 37683055 DOI: 10.1002/jcb.30473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/26/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common malignant cancer type worldwide. Although the therapeutic modalities currently used for patients with HNSCC improved in recent decades, HNSCC prognosis is still poor. Therefore, it is an urgent necessity to understand the pathogenesis of HNSCC, to develop novel and effective treatment strategies, and to characterize and identify the oncogenes that are responsible for an aggressive HNSCC phenotype. In this study, we aimed to better understand the roles of miR-1825 in the pathogenesis of HNSCC. We examined the impacts of miR-1825 deregulation on the cancer-associated phenotypes using in vitro tests evaluating cell viability, clonogenicity, cell migration, invasion, apoptosis, and stem cell characteristics. In addition, we investigated the effects of miR-1825 overexpression on the tumor formation capacity of head and neck cancer cells in vivo using nude mice. We searched for potential targets of miR-1825 using microarray analysis and luciferase assay. We found that miR-1825 expression is upregulated in head and neck cells and clinical tumor samples in comparison to corresponding controls, where it potentially acts as an oncogene. We, then, showed that ectopic miR-1825 overexpression promotes cellular phenotypes related to head and neck cancer progression in vitro and has a stimulating potential on cancer formation in vivo. We also identified FREM1 as a direct target of miR-1825 and demonstrated its reduced expression in HNSCC samples using immunohistochemistry analysis. Collectively, we suggest that the miR-1825/FREM1 axis serves as an important mediator of HNSCC development, where miR-1825 acts as an oncogene.
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Affiliation(s)
- Ozel Capik
- Molecular Biology and Genetics Department, Erzurum Technical University, Erzurum, Turkey
- Molecular Cancer Biology Laboratory, High Technology Application and Research Center, Erzurum Technical University, Erzurum, Turkey
| | - Betul Gundogdu
- Department of Medical Pathology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Arzu Tatar
- Department of Otorhinolaryngology Diseases, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Abdulkadir Sahin
- Department of Otorhinolaryngology Diseases, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Fengju Chen
- Department of Medicine and Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas, USA
| | - Chad J Creighton
- Department of Medicine and Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas, USA
| | - Omer Faruk Karatas
- Molecular Biology and Genetics Department, Erzurum Technical University, Erzurum, Turkey
- Molecular Cancer Biology Laboratory, High Technology Application and Research Center, Erzurum Technical University, Erzurum, Turkey
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Enhanced treatment of cerebral ischemia-Reperfusion injury by intelligent nanocarriers through the regulation of neurovascular units. Acta Biomater 2022; 147:314-326. [PMID: 35588994 DOI: 10.1016/j.actbio.2022.05.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/27/2022] [Accepted: 05/10/2022] [Indexed: 12/11/2022]
Abstract
Reperfusion injury is one of the major causes of disability and death caused by ischemic stroke, and drug development focuses mainly on single neuron protection. However, different kinds of cells in the neurovascular units (NVUs), including neurons, microglia and vascular endothelial cells, are pathologically changed after cerebral ischemia-reperfusion injury, resulting in an urgent need to develop a drug delivery system to comprehensively protect the kinds of cells involved in the NVU. Herein, we have constructed a c(RGDyK) peptide modified, NF-κB inhibitor caffeic acid phenethyl ester (CAPE)-loaded and reactive nitrogen species (RNS) stimuli-responsive liposomal nanocarrier (R-Lipo-CAPE) to target ischemic lesions and then remodel the NVU to reduce the progression of cerebral ischemia-reperfusion injury. The R-Lipo-CAPE liposomes were approximately 170 nm with a zeta potential of -30.8 ± 0.2 mV. The in vitro CAPE release behavior from R-Lipo-CAPE showed an RNS-dependent pattern. For in vivo studies, transient middle cerebral artery occlusion/reperfusion (MCAO) model mice treated with R-Lipo-CAPE had the least neurological impairment and decreased brain tissue damage, with an infarct area of 13%, compared with those treated with saline of 53% or free CAPE of 38%. Furthermore, microglia in the ischemic brain were polarized to the tissue-repairing M2 phenotype after R-Lipo-CAPE treatment. In addition, R-Lipo-CAPE-treated mice displayed a prominent down-regulated expression of MMP-9 and restored expression of the tight junction protein claudin-5. This proof-of-concept indicates that R-Lipo-CAPE is a promising nanomedicine for the treatment of cerebral ischemia-reperfusion injury through the regulation of neurovascular units. STATEMENT OF SIGNIFICANCE: Based on the complex mechanism and difficulty in treatment of cerebral ischemia-reperfusion injury, the overall regulation of neurovascular unit has become an extremely important target. However, little nanomedicine has been directed to remodel the neurovascular units in targeted cerebral ischemia-reperfusion injury therapy. Here, c(RGDyK) peptide modified reactive nitrogen species (RNS) stimuli-responsive liposomal nanocarrier loaded with a NF-κB inhibitor (CAPE), was designed to simultaneously regulate various cells in the microenvironment of cerebral ischemia-reperfusion injury to remodel the neurovascular units. Our in vitro and in vivo data showed that the intelligent nanocarrier exerted the ability of pathological signal stimuli-responsive drug release, cerebral ischemia-reperfusion injury site targeting and neurovascular units remodeling through reducing neuron apoptosis, regulating microglia polarization and repairing vascular endothelial cell. Overall, the intelligent liposomal drug delivery system was a promising and safe nanomedicine in the perspective of cerebral ischemia-reperfusion injury treatment.
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Soletti RC, de Britto MAP, Borges HL, Machado JC. Detection of Mice Colorectal Tumors by Endoluminal Ultrasound Biomicroscopic Images and Quantification of Image Augmented Gray Values Following Injection of VEGFR-2 Targeted Contrast Agent. Acad Radiol 2021; 28:808-816. [PMID: 32067837 DOI: 10.1016/j.acra.2020.01.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 02/07/2023]
Abstract
RATIONALE AND OBJECTIVES Ultrasound biomicroscopy (UBM) is a noninvasive imaging technique that can be applied in detecting colonic tumors and, once associated with an ultrasound contrast agent (UCA), can identify the molecular expression of cancer-related biomarkers, such as the vascular endothelial growth factor receptor 2 (VEGFR-2). The present work aimed to detect colonic tumors and quantify augmented gray values of endoluminal UBM (eUBM) images from colonic tumors following the injection of VEGFR-2 targeted UCA (VEGFR2-UCA) into a mouse model of colorectal cancer. MATERIAL AND METHODS A 40 MHz miniprobe catheter inserted through the biopsy channel of a pediatric flexible bronchofiberscope was used to obtain colonoscopic and B-mode eUBM images simultaneously. Seventeen tumor-bearing mice had their colons inspected and six of them were subjected to a VEGFR2-UCA injection to predict VEGFR-2 expression. RESULTS All animals developed distal colon tumors and eUBM was able to detect all of them and also to characterize the tumors, with 71.4% being in situ lesions and 28.6% being tumors invading the mucosa + muscularis mucosae + submucosa layers, as confirmed by histopathology. After VEGFR2-UCA injection, gray values from the eUBM tumoral images increased significantly (p < 0.01). Tumor sites with increased eUBM image gray values corresponded to areas with increased VEGFR-2 expression, as confirmed by immunohistochemistry. CONCLUSION The results confirm eUBM as a powerful noninvasive and real-time tool for detecting colon tumor and its invasiveness and once associated with VEGFR2-UCA may become a tool for the detection of VEGFR-2 expression in colonic tumors.
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Nie Z, Luo N, Liu J, Zhang Y, Zeng X, Su D. Dual-Mode Contrast Agents with RGD-Modified Polymer for Tumour-Targeted US/NIRF Imaging. Onco Targets Ther 2020; 13:8919-8929. [PMID: 32982284 PMCID: PMC7495348 DOI: 10.2147/ott.s256044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 08/06/2020] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Cancer diagnosis and treatment during the early stages of disease remain extremely challenging clinical tasks. The development of effective multimode contrast agents could greatly facilitate the early detection of cancer. MATERIALS AND METHODS We prepared dual-mode contrast agents using a biotin/avidin bioamplification system. Through in vivo and in vitro experiments, we verified the imaging performance of this contrast agents in both fluorescence and ultrasound and its targeting specificity for MDA-MB-231 cells. RESULTS The RGD peptide-labelled microbubbles showed excellent targeting of αvβ3 integrin expressed by MDA-MB-231 cells in vitro and in vivo. The signal intensity and time duration of ultrasound imaging using these particles were superior to those obtained with a typical ultrasound contrast agent in the clinic. The tumour areas also demonstrated high Cy5.5 accumulation by fluorescence imaging. CONCLUSION The results show that this targeted dual-mode imaging system yields outstanding US/NIRF imaging results, possibly allowing the early clinical diagnosis of cancer.
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Affiliation(s)
- Zhenhui Nie
- Department of Radiology, Affiliated Tumour Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Ningbin Luo
- Department of Radiology, Affiliated Tumour Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Junjie Liu
- Department of Medical Ultrasound, Affiliated Tumour Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Yu Zhang
- Department of Radiology, Affiliated Tumour Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Xinyi Zeng
- Department of Radiology, Affiliated Tumour Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
| | - Danke Su
- Department of Radiology, Affiliated Tumour Hospital of Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
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Shen D, Zhu L, Liu Y, Peng Y, Lan M, Fang K, Guo Y. Efficacy evaluation and mechanism study on inhibition of breast cancer cell growth by multimodal targeted nanobubbles carrying AMD070 and ICG. NANOTECHNOLOGY 2020; 31:245102. [PMID: 32155591 DOI: 10.1088/1361-6528/ab7e73] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
To construct targeted nanobubbles carrying both small-molecule CXCR4 antagonist AMD070 and light-absorbing material indocyanine green (ICG), and to study their in vitro multimodal imaging, as well as their mechanism and efficacy of inhibition of breast cancer cell growth. Nanobubbles carrying AMD070 and ICG (ICG-TNBs) were constructed by carbodiimide reaction and mechanical oscillation. The physical characteristics and in vitro multimodal imaging were determined. The binding potential of ICG-TNBs to human breast cancer cells were observed by laser confocal microscopy. CCK-8 and flow cytometry were used to analyze the role of ICG-TNBs + US in inhibiting proliferation and inducing apoptosis of tumor cells. Flow cytometry and Western blotting are used to analyse the ROS generation and molecular mechanisms. ICG-TNBs had a particle size of 497.0 ± 29.2 nm and a Zeta potential of -8.05 ± 0.73 mV. In vitro multimodal imaging showed that the image signal intensity of ICG-TNBs increased with concentration. Targeted binding assay confirmed that ICG-TNBs could specifically bind to MCF-7 cells (CXCR4 positive), but not to MDA-MB-468 cells (CXCR4 negative). CCK-8 assay and flow cytometry analysis showed that ICG-TNBs + US could significantly inhibit the growth of MCF-7 breast cancer cells and promote their apoptosis. Flow cytometry and Western blotting showed that ICG-TNBs + US could significantly raise generation of ROS, reduce the expression of CXCR4, inhibit phosphorylation of Akt, and increase the expression of Caspase3 and Cleaved-caspase3. This indicated that ICG-TNBs could effectively inhibit and block the SDF-1/CXCR4 pathway, thus leading to the apoptosis of MCF-7 cells. ICG-TNBs can specifically bind to CXCR4 positive breast cancer cells, furthermore inhibit growth and promote apoptosis of breast cancer cells combined with ultrasonic irradiation by blocking the SDF-1/CXCR4 pathway. This study introduces a novel concept, method and mechanism for integration of targeted diagnosis and treatment of breast cancer.
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Affiliation(s)
- Daijia Shen
- Department of Ultrasound, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing 400038, People's Republic of China
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Lau C, Rivas M, Dinalo J, King K, Duddalwar V. Scoping Review of Targeted Ultrasound Contrast Agents in the Detection of Angiogenesis. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2020; 39:19-28. [PMID: 31237009 DOI: 10.1002/jum.15072] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 05/16/2019] [Accepted: 05/22/2019] [Indexed: 06/09/2023]
Abstract
A systematic search was conducted to categorize targeted ultrasound contrast agents (UCAs) used in cancer-related angiogenesis detection. We identified 15 unique contrast agents from 2008 to March 2018. Most primary research articles studied UCAs targeted to vascular endothelial growth factor receptor or αv β3 -integrin. Breast cancer and colon cancer are the most common neoplastic processes in which these agents were studied. BR55 (Bracco Research SA, Geneva, Switzerland), a vascular endothelial growth factor receptor-targeting UCA, is the first targeted UCA that has completed phase 0 trials. Our review identifies a gap in the literature regarding the application of targeted UCAs in cancer models beyond breast and colon cancers and identifies other promising UCAs.
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Affiliation(s)
- Christopher Lau
- Department of Radiology, Keck School of Medicine, California, Los Angeles, USA
| | - Marielena Rivas
- Department of Radiology, Keck School of Medicine, California, Los Angeles, USA
| | - Jennifer Dinalo
- Norris Medical Library, Keck School of Medicine, California, Los Angeles, USA
| | - Kevin King
- Department of Radiology, Keck School of Medicine, California, Los Angeles, USA
| | - Vinay Duddalwar
- Department of Radiology, Keck School of Medicine, California, Los Angeles, USA
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Siqueira RAGB, Calabria PAL, Caporrino MC, Tavora BCLF, Barbaro KC, Faquim-Mauro EL, Della-Casa MS, Magalhães GS. When spider and snake get along: Fusion of a snake disintegrin with a spider phospholipase D to explore their synergistic effects on a tumor cell. Toxicon 2019; 168:40-48. [PMID: 31251993 DOI: 10.1016/j.toxicon.2019.06.225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 06/18/2019] [Accepted: 06/24/2019] [Indexed: 01/24/2023]
Abstract
Venoms of spiders and snakes contain toxins extremely active and, thus, provide a natural source for the development of new biotechnological tools. Among the diversity of toxins present in the venom of spiders from genus Loxosceles, the phospholipases D (PLDs) show high hydrolytic activity upon lysophosphatidylcholine (LPC) and sphingomyelin (SM), generating bioactive phospholipids such as cyclic phosphatidic acid (cPA). Since this mediator has been shown to play a major role in complex signaling pathways, including inhibition of tumor cells, the PLDs may hold the key to learn how toxins could be used for therapeutic purposes. However, the strong platelet aggregation of PLDs and their lack of selectivity impose a major limitation. On the other hand, disintegrins present in the venoms of Viperidae snakes are a potent inhibitor of platelet aggregation and possess high affinity and specificity to molecules called integrins that are highly expressed in some tumor cells, such as murine melanoma B16F10. Therefore, disintegrins might be suitable molecules to carry the PLDs to the malignant cells, so both toxins may work synergistically to eliminate these cells. Thus, in this work, a recombinant PLD from Loxosceles gaucho spider was recombinantly fused to a disintegrin from Echis carinatus snake to form a hybrid toxin called Rechistatin. This recombinant toxin was successfully expressed in bacteria, showed binding activity in B16F10 murine melanoma cells and exerted a synergistic cytotoxicity effect on these cells. Therefore, the approach presented in this work may represent a new strategy to explore new potential applications for spider PLDs.
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Affiliation(s)
- Raquel A G B Siqueira
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
| | - Paula A L Calabria
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
| | - Maria C Caporrino
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
| | - Bianca C L F Tavora
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
| | - Katia C Barbaro
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
| | - Eliana L Faquim-Mauro
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
| | - Maisa S Della-Casa
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
| | - Geraldo S Magalhães
- Laboratory of Immunopathology, Butantan Institute, Av. Vital Brazil 1500, 05503-900, São Paulo, SP, Brazil.
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Zhou Y, Song Z, Hu Q, Ji X, Zheng H, Wang X, Li Z. Evaluation of the Expression of Matrix Metalloproteinase-1 of Laryngeal Squamous Cell Carcinoma by Ultrasound Molecular Imaging. Front Pharmacol 2019; 10:655. [PMID: 31275143 PMCID: PMC6593083 DOI: 10.3389/fphar.2019.00655] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 05/20/2019] [Indexed: 11/20/2022] Open
Abstract
Purpose: The aims of this study were to evaluate the expression of matrix metalloproteinase-1 (MMP-1) on laryngeal squamous cell carcinoma (LSCC) and improve the early diagnosis rate via ultrasound molecular imaging (USMI). Methods: The microsized MMP-1-targeted microbubbles (MBMMP-1) and the control MBs (MBIgG) based on perfluorocarbon-filled lipid-shelled MBs were constructed and characterized. The in vitro binding experiment was performed with human epidermoid laryngeal cancer cells (HEp-2) and tested the binding efficiency of MBMMP-1 and MBIgG. In the in vivo study, the LSCC model was established in 10 mice. The MBMMP-1 and MBIgG were randomly injected into tumor-bearing mice via the tail vein at Day 7, Day 12, and Day 17 to dynamically evaluate the differential targeted enhancement (dTE) signals via USMI. Subsequent immunofluorescence analysis was used for confirmation of MMP-1 expression. Result: The effective adhesion rate of MBMMP-1 and MBIgG to HEp-2 was 298.42 ± 16.57 versus 12.38 ± 3.26 bubbles/per field in vitro experiment, which shows a significant difference (P < 0.01). The in vivo ultrasound molecular imaging (USMI) results demonstrated that dTE signal intensity from MBMMP-1 was significantly higher than that from the MBIgG at Day 7, Day 12, and Day 17 (Day 7, 41.21 ± 15.00 versus 2.25 ± 0.6 a.u., P < 0.05; Day 12, 124.64 ± 5.19 versus 11.13 ± 1.13 a.u., P < 0. 05; Day 17, 332.01 ± 64.88 versus 42.99 ± 11.9 a.u., P < 0.01). Moreover, immunofluorescence analysis further confirmed the expression of MMP-1 in LSCC with a gradual increase with the tumor growth. Conclusion: MBMMP-1 could be a potential probe that can be used in the early diagnosis of LSCC by USMI.
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Affiliation(s)
- Yi Zhou
- GuangZhou University School of Medicine, GuangZhou, China.,Department of Ultrasound, The Second People's Hospital of Shenzhen, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Zhuqing Song
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Qiao Hu
- Department of Ultrasound, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Xiaojuan Ji
- Department of Cardiology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Hongyu Zheng
- Department of Ultrasound, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Xiaoyan Wang
- Department of Ultrasound, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Zhenzhou Li
- Department of Ultrasound, The Second People's Hospital of Shenzhen, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
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Vishal TMD, Ji-Bin LMD, John EP. Applications in Molecular Ultrasound Imaging: Present and Future. ADVANCED ULTRASOUND IN DIAGNOSIS AND THERAPY 2019. [DOI: 10.37015/audt.2019.190812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Capozza M, Blasi F, Valbusa G, Oliva P, Cabella C, Buonsanti F, Cordaro A, Pizzuto L, Maiocchi A, Poggi L. Photoacoustic imaging of integrin-overexpressing tumors using a novel ICG-based contrast agent in mice. PHOTOACOUSTICS 2018; 11:36-45. [PMID: 30105205 PMCID: PMC6086215 DOI: 10.1016/j.pacs.2018.07.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 07/27/2018] [Accepted: 07/27/2018] [Indexed: 05/20/2023]
Abstract
PhotoAcoustic Imaging (PAI) is a biomedical imaging modality currently under evaluation in preclinical and clinical settings. In this work, ICG is coupled to an integrin binding vector (ICG-RGD) to combine the good photoacoustic properties of ICG and the favourable αvβ3-binding capabilities of a small RGD cyclic peptidomimetic. ICG-RGD is characterized in terms of physicochemical properties, biodistribution and imaging performance. Tumor uptake was assessed in subcutaneous xenograft mouse models of human glioblastoma (U-87MG, high αvβ3 expression) and epidermoid carcinoma (A431, low αvβ3 expression). ICG and ICG-RGD showed high PA signal in tumors already after 15 min post-injection. At later time points the signal of ICG rapidly decreased, while ICG-RGD showed sustained uptake in U-87MG but not in A431 tumors, likely due to the integrin-mediated retention of the probe. In conclusion, ICG-RGD is a novel targeted contrast agents for PAI with superior biodistribution, tumor uptake properties and diagnostic value compared to ICG.
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Affiliation(s)
- Martina Capozza
- Università degli Studi di Torino, Dipartimento di Biotecnologie Molecolari e Scienze per la Salute, Via Nizza 52, 10126, Torino, Italy
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Francesco Blasi
- Ephoran – Multi-Imaging Solutions, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Giovanni Valbusa
- Ephoran – Multi-Imaging Solutions, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Paolo Oliva
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Claudia Cabella
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Federica Buonsanti
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Alessia Cordaro
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Lorena Pizzuto
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Alessandro Maiocchi
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
| | - Luisa Poggi
- Bracco Imaging SpA, Centro Ricerche Bracco, Via Ribes 5, 10010, Colleretto Giacosa, Torino, Italy
- Corresponding author.
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Zhu L, Guo Y, Wang L, Fan X, Xiong X, Fang K, Xu D. Construction of ultrasonic nanobubbles carrying CAIX polypeptides to target carcinoma cells derived from various organs. J Nanobiotechnology 2017; 15:63. [PMID: 28962657 PMCID: PMC5622542 DOI: 10.1186/s12951-017-0307-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 09/23/2017] [Indexed: 01/01/2023] Open
Abstract
Background Ultrasound molecular imaging is a novel diagnostic approach for tumors, whose key link is the construction of targeted ultrasound contrast agents. However, available targeted ultrasound contrast agents for molecular imaging of tumors are only achieving imaging in blood pool or one type tumor. No targeted ultrasound contrast agents have realized targeted ultrasound molecular imaging of tumor parenchymal cells in a variety of solid tumors so far. Carbonic anhydrase IX (CAIX) is highly expressed on cell membranes of various malignant solid tumors, so it’s a good target for ultrasound molecular imaging. Here, targeted nanobubbles carrying CAIX polypeptides for targeted binding to a variety of malignant tumors were constructed, and targeted binding ability and ultrasound imaging effect in different types of tumors were evaluated. Results The mean diameter of lipid targeted nanobubbles was (503.7 ± 78.47) nm, and the polypeptides evenly distributed on the surfaces of targeted nanobubbles, which possessed the advantages of homogenous particle size, high stability, and good safety. Targeted nanobubbles could gather around CAIX-positive cells (786-O and Hela cells), while they cannot gather around CAIX-negative cells (BxPC-3 cells) in vitro, and the affinity of targeted nanobubbles to CAIX-positive cells were significantly higher than that to CAIX-negative cells (P < 0.05). Peak intensity and duration time of targeted nanobubbles and blank nanobubbles were different in CAIX-positive transplanted tumor tissues in vivo (P < 0.05). Moreover, targeted nanobubbles in CAIX-positive transplanted tumor tissues produced higher peak intensity and longer duration time than those in CAIX-negative transplanted tumor tissues (P < 0.05). Finally, immunofluorescence not only confirmed targeted nanobubbles could pass through blood vessels to enter in tumor tissue spaces, but also clarified imaging differences of targeted nanobubbles in different types of transplanted tumor tissues. Conclusions Targeted nanobubbles carrying CAIX polypeptides can specifically enhance ultrasound imaging in CAIX-positive transplanted tumor tissues and could potentially be used in early diagnosis of a variety of solid tumors derived from various organs. Electronic supplementary material The online version of this article (doi:10.1186/s12951-017-0307-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Lianhua Zhu
- Department of Ultrasound, Southwest Hospital, Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Yanli Guo
- Department of Ultrasound, Southwest Hospital, Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
| | - Luofu Wang
- Department of Urology, Daping Hospital, Third Military Medical University, 10 Changjiang Zhi Road, Yuzhong District, Chongqing, 400038, China
| | - Xiaozhou Fan
- Department of Ultrasound, Southwest Hospital, Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Xingyu Xiong
- Department of Ultrasound, Southwest Hospital, Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Kejing Fang
- Department of Ultrasound, Southwest Hospital, Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Dan Xu
- Department of Ultrasound, Southwest Hospital, Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
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Zhang H, Ingham ES, Gagnon MKJ, Mahakian LM, Liu J, Foiret JL, Willmann JK, Ferrara KW. In vitro characterization and in vivo ultrasound molecular imaging of nucleolin-targeted microbubbles. Biomaterials 2017; 118:63-73. [PMID: 27940383 PMCID: PMC5279957 DOI: 10.1016/j.biomaterials.2016.11.026] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 11/11/2016] [Accepted: 11/20/2016] [Indexed: 12/12/2022]
Abstract
Nucleolin (NCL) plays an important role in tumor vascular development. An increased endothelial expression level of NCL has been related to cancer aggressiveness and prognosis and has been detected clinically in advanced tumors. Here, with a peptide targeted to NCL (F3 peptide), we created an NCL-targeted microbubble (MB) and compared the performance of F3-conjugated MBs with non-targeted (NT) MBs both in vitro and in vivo. In an in vitro study, F3-conjugated MBs bound 433 times more than NT MBs to an NCL-expressing cell line, while pretreating cells with 0.5 mM free F3 peptide reduced the binding of F3-conjugated MBs by 84%, n = 4, p < 0.001. We then set out to create a method to extract both the tumor wash-in and wash-out kinetics and tumor accumulation following a single injection of targeted MBs. In order to accomplish this, a series of ultrasound frames (a clip) was recorded at the time of injection and subsequent time points. Each pixel within this clip was analyzed for the minimum intensity projection (MinIP) and average intensity projection (AvgIP). We found that the MinIP robustly demonstrates enhanced accumulation of F3-conjugated MBs over the range of tumor diameters evaluated here (2-8 mm), and the difference between the AvgIP and the MinIP quantifies inflow and kinetics. The inflow and clearance were similar for unbound F3-conjugated MBs, control (non-targeted) and scrambled control agents. Targeted agent accumulation was confirmed by a high amplitude pulse and by a two-dimensional Fourier Transform technique. In summary, F3-conjugated MBs provide a new imaging agent for ultrasound molecular imaging of cancer vasculature, and we have validated metrics to assess performance using low mechanical index strategies that have potential for use in human molecular imaging studies.
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Affiliation(s)
- Hua Zhang
- Department of Biomedical Engineering, University of California, Davis, CA, 95616, USA
| | - Elizabeth S Ingham
- Department of Biomedical Engineering, University of California, Davis, CA, 95616, USA
| | - M Karen J Gagnon
- Department of Environmental Health and Safety, University of California, Davis, CA, 95616, USA
| | - Lisa M Mahakian
- Department of Biomedical Engineering, University of California, Davis, CA, 95616, USA
| | - Jingfei Liu
- Department of Biomedical Engineering, University of California, Davis, CA, 95616, USA
| | - Josquin L Foiret
- Department of Biomedical Engineering, University of California, Davis, CA, 95616, USA
| | | | - Katherine W Ferrara
- Department of Biomedical Engineering, University of California, Davis, CA, 95616, USA.
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Jain A, Cheng K. The principles and applications of avidin-based nanoparticles in drug delivery and diagnosis. J Control Release 2017; 245:27-40. [PMID: 27865853 PMCID: PMC5222781 DOI: 10.1016/j.jconrel.2016.11.016] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 11/07/2016] [Indexed: 01/04/2023]
Abstract
Avidin-biotin interaction is one of the strongest non-covalent interactions in the nature. Avidin and its analogues have therefore been extensively utilized as probes and affinity matrices for a wide variety of applications in biochemical assays, diagnosis, affinity purification, and drug delivery. Recently, there has been a growing interest in exploring this non-covalent interaction in nanoscale drug delivery systems for pharmaceutical agents, including small molecules, proteins, vaccines, monoclonal antibodies, and nucleic acids. Particularly, the ease of fabrication without losing the chemical and biological properties of the coupled moieties makes the avidin-biotin system a versatile platform for nanotechnology. In addition, avidin-based nanoparticles have been investigated as diagnostic systems for various tumors and surface antigens. In this review, we will highlight the various fabrication principles and biomedical applications of avidin-based nanoparticles in drug delivery and diagnosis. The structures and biochemical properties of avidin, biotin and their respective analogues will also be discussed.
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Affiliation(s)
- Akshay Jain
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri Kansas City, Kansas City, MO 64108, United States
| | - Kun Cheng
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri Kansas City, Kansas City, MO 64108, United States.
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Mandic L, Traxler D, Gugerell A, Zlabinger K, Lukovic D, Pavo N, Goliasch G, Spannbauer A, Winkler J, Gyöngyösi M. Molecular Imaging of Angiogenesis in Cardiac Regeneration. CURRENT CARDIOVASCULAR IMAGING REPORTS 2016; 9:27. [PMID: 27683600 PMCID: PMC5018257 DOI: 10.1007/s12410-016-9389-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW Myocardial infarction (MI) leading to heart failure displays an important cause of death worldwide. Adequate restoration of blood flow to prevent this transition is a crucial factor to improve long-term morbidity and mortality. Novel regenerative therapies have been thoroughly investigated within the past decades. RECENT FINDINGS Increased angiogenesis in infarcted myocardium has shown beneficial effects on the prognosis of MI; therefore, the proangiogenic capacity of currently tested treatments is of specific interest. Molecular imaging to visualize formation of new blood vessels in vivo displays a promising option to monitor proangiogenic effects of regenerative substances. SUMMARY Based on encouraging results in preclinical models, molecular angiogenesis imaging has recently been applied in a small set of patients. This article reviews recent literature on noninvasive in vivo molecular imaging of angiogenesis after MI as an integral part of cardiac regeneration.
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Affiliation(s)
- Ljubica Mandic
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Denise Traxler
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Alfred Gugerell
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Katrin Zlabinger
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Dominika Lukovic
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Noemi Pavo
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Georg Goliasch
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Andreas Spannbauer
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Johannes Winkler
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Mariann Gyöngyösi
- Department of Cardiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
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