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Rojas-Quintero J, Díaz MP, Palmar J, Galan-Freyle NJ, Morillo V, Escalona D, González-Torres HJ, Torres W, Navarro-Quiroz E, Rivera-Porras D, Bermúdez V. Car T Cells in Solid Tumors: Overcoming Obstacles. Int J Mol Sci 2024; 25:4170. [PMID: 38673757 PMCID: PMC11050550 DOI: 10.3390/ijms25084170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 04/28/2024] Open
Abstract
Chimeric antigen receptor T cell (CAR T cell) therapy has emerged as a prominent adoptive cell therapy and a therapeutic approach of great interest in the fight against cancer. This approach has shown notorious efficacy in refractory hematological neoplasm, which has bolstered its exploration in the field of solid cancers. However, successfully managing solid tumors presents considerable intrinsic challenges, which include the necessity of guiding the modified cells toward the tumoral region, assuring their penetration and survival in adverse microenvironments, and addressing the complexity of identifying the specific antigens for each type of cancer. This review focuses on outlining the challenges faced by CAR T cell therapy when used in the treatment of solid tumors, as well as presenting optimizations and emergent approaches directed at improving its efficacy in this particular context. From precise localization to the modulation of the tumoral microenvironment and the adaptation of antigen recognition strategies, diverse pathways will be examined to overcome the current limitations and buttress the therapeutic potential of CAR T cells in the fight against solid tumors.
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Affiliation(s)
- Joselyn Rojas-Quintero
- Medicine, Pulmonary, Critical Care, and Sleep Medicine Department, Baylor College of Medicine, Houston, TX 77030, USA;
| | - María P. Díaz
- Facultad de Medicina, Centro de Investigaciones Endocrino—Metabólicas, Universidad del Zulia, Maracaibo 4001, Venezuela (J.P.); (V.M.); (D.E.); (W.T.)
| | - Jim Palmar
- Facultad de Medicina, Centro de Investigaciones Endocrino—Metabólicas, Universidad del Zulia, Maracaibo 4001, Venezuela (J.P.); (V.M.); (D.E.); (W.T.)
| | - Nataly J. Galan-Freyle
- Centro de Investigaciones en Ciencias de la Vida, Universidad Simón Bolívar, Barranquilla 080002, Colombia; (N.J.G.-F.); (E.N.-Q.)
| | - Valery Morillo
- Facultad de Medicina, Centro de Investigaciones Endocrino—Metabólicas, Universidad del Zulia, Maracaibo 4001, Venezuela (J.P.); (V.M.); (D.E.); (W.T.)
| | - Daniel Escalona
- Facultad de Medicina, Centro de Investigaciones Endocrino—Metabólicas, Universidad del Zulia, Maracaibo 4001, Venezuela (J.P.); (V.M.); (D.E.); (W.T.)
| | | | - Wheeler Torres
- Facultad de Medicina, Centro de Investigaciones Endocrino—Metabólicas, Universidad del Zulia, Maracaibo 4001, Venezuela (J.P.); (V.M.); (D.E.); (W.T.)
| | - Elkin Navarro-Quiroz
- Centro de Investigaciones en Ciencias de la Vida, Universidad Simón Bolívar, Barranquilla 080002, Colombia; (N.J.G.-F.); (E.N.-Q.)
- Facultad de Ciencias Básicas y Biomédicas, Barranquilla 080002, Colombia
| | - Diego Rivera-Porras
- Facultad de Ciencias Jurídicas y Sociales, Universidad Simón Bolívar, Cúcuta 540001, Colombia;
| | - Valmore Bermúdez
- Centro de Investigaciones en Ciencias de la Vida, Universidad Simón Bolívar, Barranquilla 080002, Colombia; (N.J.G.-F.); (E.N.-Q.)
- Facultad de Ciencias de la Salud, Universidad Simón Bolívar, Barranquilla 080002, Colombia;
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2
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Guo Y, Xie X, Tang W, Chen S, Wang M, Fan Y, Lin C, Hu W, Yang J, Xiang J, Jiang K, Wei X, Huang B, Jiang X. Noninvasive identification of HER2-low-positive status by MRI-based deep learning radiomics predicts the disease-free survival of patients with breast cancer. Eur Radiol 2024; 34:899-913. [PMID: 37597033 DOI: 10.1007/s00330-023-09990-6] [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: 08/21/2022] [Revised: 04/09/2023] [Accepted: 06/02/2023] [Indexed: 08/21/2023]
Abstract
OBJECTIVE This study aimed to establish a MRI-based deep learning radiomics (DLR) signature to predict the human epidermal growth factor receptor 2 (HER2)-low-positive status and further verified the difference in prognosis by the DLR model. METHODS A total of 481 patients with breast cancer who underwent preoperative MRI were retrospectively recruited from two institutions. Traditional radiomics features and deep semantic segmentation feature-based radiomics (DSFR) features were extracted from segmented tumors to construct models separately. Then, the DLR model was constructed to assess the HER2 status by averaging the output probabilities of the two models. Finally, a Kaplan‒Meier survival analysis was conducted to explore the disease-free survival (DFS) in patients with HER2-low-positive status. The multivariate Cox proportional hazard model was constructed to further determine the factors associated with DFS. RESULTS First, the DLR model distinguished between HER2-negative and HER2-overexpressing patients with AUCs of 0.868 and 0.763 in the training and validation cohorts, respectively. Furthermore, the DLR model distinguished between HER2-low-positive and HER2-zero patients with AUCs of 0.855 and 0.750, respectively. Cox regression analysis showed that the prediction score obtained using the DLR model (HR, 0.175; p = 0.024) and lesion size (HR, 1.043; p = 0.009) were significant, independent predictors of DFS. CONCLUSIONS We successfully constructed a DLR model based on MRI to noninvasively evaluate the HER2 status and further revealed prospects for predicting the DFS of patients with HER2-low-positive status. CLINICAL RELEVANCE STATEMENT The MRI-based DLR model could noninvasively identify HER2-low-positive status, which is considered a novel prognostic predictor and therapeutic target. KEY POINTS • The DLR model effectively distinguished the HER2 status of breast cancer patients, especially the HER2-low-positive status. • The DLR model was better than the traditional radiomics model or DSFR model in distinguishing HER2 expression. • The prediction score obtained using the model and lesion size were significant independent predictors of DFS.
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Affiliation(s)
- Yuan Guo
- Department of Radiology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, 510180, China
| | - Xiaotong Xie
- School of Life Science, South China Normal University, Guangzhou, 510631, China
- Medical AI Lab, School of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Wenjie Tang
- Department of Radiology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, 510180, China
| | - Siyi Chen
- Department of Radiology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, 510180, China
| | - Mingyu Wang
- Medical AI Lab, School of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Yaheng Fan
- Medical AI Lab, School of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Chuxuan Lin
- Medical AI Lab, School of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Wenke Hu
- Department of Radiology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, 510180, China
| | - Jing Yang
- Department of Pathology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China
| | - Jialin Xiang
- Department of Radiology, Guangdong Women and Children Hospital, Guangzhou, Guangdong, 510010, China
| | - Kuiming Jiang
- Department of Radiology, Guangdong Women and Children Hospital, Guangzhou, Guangdong, 510010, China.
| | - Xinhua Wei
- Department of Radiology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, 510180, China.
| | - Bingsheng Huang
- Medical AI Lab, School of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen, Guangdong, 518055, China.
| | - Xinqing Jiang
- Department of Radiology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, Guangdong, 510180, China.
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3
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Jung J, Han H. The diverse influences of relaxin-like peptide family on tumor progression: Potential opportunities and emerging challenges. Heliyon 2024; 10:e24463. [PMID: 38298643 PMCID: PMC10828710 DOI: 10.1016/j.heliyon.2024.e24463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 01/05/2024] [Accepted: 01/09/2024] [Indexed: 02/02/2024] Open
Abstract
Relaxin-like peptide family exhibit differential expression patterns in various types of cancers and play a role in cancer development. This family participates in tumorigenic processes encompassing proliferation, migration, invasion, tumor microenvironment, immune microenvironment, and anti-cancer resistance, ultimately influencing patient prognosis. In this review, we explore the mechanisms underlying the interaction between the RLN-like peptide family and tumors and provide an overview of therapeutic approaches utilizing this interaction.
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Affiliation(s)
| | - Hyunho Han
- Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
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4
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Blanco-Fernandez B, Ibañez-Fonseca A, Orbanic D, Ximenes-Carballo C, Perez-Amodio S, Rodríguez-Cabello JC, Engel E. Elastin-like Recombinamer Hydrogels as Platforms for Breast Cancer Modeling. Biomacromolecules 2023; 24:4408-4418. [PMID: 36597885 PMCID: PMC10565832 DOI: 10.1021/acs.biomac.2c01080] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 12/07/2022] [Indexed: 01/05/2023]
Abstract
The involvement of the extracellular matrix (ECM) in tumor progression has motivated the development of biomaterials mimicking the tumor ECM to develop more predictive cancer models. Particularly, polypeptides based on elastin could be an interesting approach to mimic the ECM due to their tunable properties. Here, we demonstrated that elastin-like recombinamer (ELR) hydrogels can be suitable biomaterials to develop breast cancer models. This hydrogel was formed by two ELR polypeptides, one containing sequences biodegradable by matrix metalloproteinase and cyclooctyne and the other carrying arginylglycylaspartic acid and azide groups to allow cell adhesion, biodegradability, and suitable stiffness through "click-chemistry" cross-linking. Our findings show that breast cancer or nontumorigenic breast cells showed high viability and cell proliferation for up to 7 days. MCF7 and MCF10A formed spheroids whereas MDA-MB-231 formed cell networks, with the expression of ECM and high drug resistance in all cases, evidencing that ELR hydrogels are a promising biomaterial for breast cancer modeling.
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Affiliation(s)
- Barbara Blanco-Fernandez
- Institute
for Bioengineering of Catalonia (IBEC), The Barcelona Institute of
Science and Technology (BIST), Baldiri Reixac 10-12, Barcelona 08028, Spain
- CIBER
en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid 28029, Spain
| | - Arturo Ibañez-Fonseca
- BIOFORGE
Lab, CIBER-BBN, University of Valladolid, Paseo de Belén 19, 47011 Valladolid, Spain
| | - Doriana Orbanic
- BIOFORGE
Lab, CIBER-BBN, University of Valladolid, Paseo de Belén 19, 47011 Valladolid, Spain
| | - Celia Ximenes-Carballo
- Institute
for Bioengineering of Catalonia (IBEC), The Barcelona Institute of
Science and Technology (BIST), Baldiri Reixac 10-12, Barcelona 08028, Spain
| | - Soledad Perez-Amodio
- Institute
for Bioengineering of Catalonia (IBEC), The Barcelona Institute of
Science and Technology (BIST), Baldiri Reixac 10-12, Barcelona 08028, Spain
| | | | - Elisabeth Engel
- Institute
for Bioengineering of Catalonia (IBEC), The Barcelona Institute of
Science and Technology (BIST), Baldiri Reixac 10-12, Barcelona 08028, Spain
- CIBER
en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid 28029, Spain
- IMEM-BRT
Group, Department of Materials Science and Engineering, EEBE, Technical University of Catalonia (UPC), Barcelona 08019, Spain
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5
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Song X, Li CL, Qiu N, Lv QY, Wu X, Cui HF. pH-Sensitive Biomimetic Nanosystem Based on Large-Pore Mesoporous Silica Nanoparticles with High Hyaluronidase Loading for Tumor Deep Penetration. ACS APPLIED MATERIALS & INTERFACES 2023; 15:38294-38308. [PMID: 37542453 DOI: 10.1021/acsami.3c06909] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/07/2023]
Abstract
Loading hyaluronidase (Hyal) in a nanocarrier is a potent strategy to degrade the tumor extracellular matrix for tumor deep penetration and enhanced tumor therapy. Herein, a pH-sensitive biomimicking nanosystem with high Hyal loading, effective tumor targeting, and controllable release is constructed. Specifically, cationic mesoporous silica nanoparticles (CMSNs) with large pores 13.52 nm in diameter were synthesized in a one-pot manner by adding N-[3-trimethoxysilylpropyl]-N,N,N-trimethylammonium to a reversed microemulsion reaction system. The Hyal loading rate was as high as 19.47% owing to matched pore size and the cationic surface charge. Subsequently, a pH-sensitive biomimetic hybrid membrane (pHH) composed of pH-sensitive liposome (pHL), red blood cell membrane, and pancreatic cancer cell membrane was camouflaged on the pHL-coated and doxorubicin/Hyal-loaded CMSNs (shortened as DHCM). The DHCM@pHL@pHH is stable at neutral pH while it releases the payloads smoothly in the tumor acidic microenvironment. Consequently, it can escape from macrophage clearance, be specifically taken up by pancreatic cancer cells, and efficiently accumulate at the tumor site. More importantly, it can penetrate deeply in pancreatic tumors with a tumor growth inhibition ratio of 80.46%. The nanosystem is biocompatible and has potential for clinical transformation, and the nanocarrier is promisingly applicable as a platform for encapsulation of various macromolecules for smart and tumor-targeted delivery.
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Affiliation(s)
- Xiaojie Song
- School of Life Sciences, Zhengzhou University, Science Avenue 100#, Zhengzhou 450001, China
| | - Chun-Ling Li
- School of Life Sciences, Zhengzhou University, Science Avenue 100#, Zhengzhou 450001, China
| | - Nan Qiu
- School of Life Sciences, Zhengzhou University, Science Avenue 100#, Zhengzhou 450001, China
| | - Qi-Yan Lv
- School of Life Sciences, Zhengzhou University, Science Avenue 100#, Zhengzhou 450001, China
| | - Xinxin Wu
- Department of Molecular Pathology, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450001, China
| | - Hui-Fang Cui
- School of Life Sciences, Zhengzhou University, Science Avenue 100#, Zhengzhou 450001, China
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6
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Nasiri F, Kazemi M, Mirarefin SMJ, Mahboubi Kancha M, Ahmadi Najafabadi M, Salem F, Dashti Shokoohi S, Evazi Bakhshi S, Safarzadeh Kozani P, Safarzadeh Kozani P. CAR-T cell therapy in triple-negative breast cancer: Hunting the invisible devil. Front Immunol 2022; 13. [DOI: https:/doi.org/10.3389/fimmu.2022.1018786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is known as the most intricate and hard-to-treat subtype of breast cancer. TNBC cells do not express the well-known estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 (HER2) expressed by other breast cancer subtypes. This phenomenon leaves no room for novel treatment approaches including endocrine and HER2-specific antibody therapies. To date, surgery, radiotherapy, and systemic chemotherapy remain the principal therapy options for TNBC treatment. However, in numerous cases, these approaches either result in minimal clinical benefit or are nonfunctional, resulting in disease recurrence and poor prognosis. Nowadays, chimeric antigen receptor T cell (CAR-T) therapy is becoming more established as an option for the treatment of various types of hematologic malignancies. CAR-Ts are genetically engineered T lymphocytes that employ the body’s immune system mechanisms to selectively recognize cancer cells expressing tumor-associated antigens (TAAs) of interest and efficiently eliminate them. However, despite the clinical triumph of CAR-T therapy in hematologic neoplasms, CAR-T therapy of solid tumors, including TNBC, has been much more challenging. In this review, we will discuss the success of CAR-T therapy in hematological neoplasms and its caveats in solid tumors, and then we summarize the potential CAR-T targetable TAAs in TNBC studied in different investigational stages.
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7
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Nasiri F, Kazemi M, Mirarefin SMJ, Mahboubi Kancha M, Ahmadi Najafabadi M, Salem F, Dashti Shokoohi S, Evazi Bakhshi S, Safarzadeh Kozani P, Safarzadeh Kozani P. CAR-T cell therapy in triple-negative breast cancer: Hunting the invisible devil. Front Immunol 2022; 13:1018786. [PMID: 36483567 PMCID: PMC9722775 DOI: 10.3389/fimmu.2022.1018786] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 10/24/2022] [Indexed: 11/23/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is known as the most intricate and hard-to-treat subtype of breast cancer. TNBC cells do not express the well-known estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 (HER2) expressed by other breast cancer subtypes. This phenomenon leaves no room for novel treatment approaches including endocrine and HER2-specific antibody therapies. To date, surgery, radiotherapy, and systemic chemotherapy remain the principal therapy options for TNBC treatment. However, in numerous cases, these approaches either result in minimal clinical benefit or are nonfunctional, resulting in disease recurrence and poor prognosis. Nowadays, chimeric antigen receptor T cell (CAR-T) therapy is becoming more established as an option for the treatment of various types of hematologic malignancies. CAR-Ts are genetically engineered T lymphocytes that employ the body's immune system mechanisms to selectively recognize cancer cells expressing tumor-associated antigens (TAAs) of interest and efficiently eliminate them. However, despite the clinical triumph of CAR-T therapy in hematologic neoplasms, CAR-T therapy of solid tumors, including TNBC, has been much more challenging. In this review, we will discuss the success of CAR-T therapy in hematological neoplasms and its caveats in solid tumors, and then we summarize the potential CAR-T targetable TAAs in TNBC studied in different investigational stages.
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Affiliation(s)
- Fatemeh Nasiri
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
- Department of Production Platforms & Analytics, Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, QC, Canada
| | - Mehrasa Kazemi
- Department of Laboratory Medicine, Thalassemia Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | | | - Maral Mahboubi Kancha
- Department of Medical Nanotechnology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Milad Ahmadi Najafabadi
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Faeze Salem
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Setareh Dashti Shokoohi
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sahar Evazi Bakhshi
- Department of Anatomical Sciences, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Pouya Safarzadeh Kozani
- Department of Medical Biotechnology, Faculty of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Pooria Safarzadeh Kozani
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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8
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Safarzadeh Kozani P, Safarzadeh Kozani P, Ahmadi Najafabadi M, Yousefi F, Mirarefin SMJ, Rahbarizadeh F. Recent Advances in Solid Tumor CAR-T Cell Therapy: Driving Tumor Cells From Hero to Zero? Front Immunol 2022; 13:795164. [PMID: 35634281 PMCID: PMC9130586 DOI: 10.3389/fimmu.2022.795164] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 04/04/2022] [Indexed: 12/21/2022] Open
Abstract
Chimeric antigen receptor T-cells (CAR-Ts) are known as revolutionary living drugs that have turned the tables of conventional cancer treatments in certain hematologic malignancies such as B-cell acute lymphoblastic leukemia (B-ALL) and diffuse large B-cell lymphoma (DLBCL) by achieving US Food and Drug Administration (FDA) approval based on their successful clinical outcomes. However, this type of therapy has not seen the light of victory in the fight against solid tumors because of various restricting caveats including heterogeneous tumor antigen expression and the immunosuppressive tumor microenvironments (TME) that negatively affect the tumor-site accessibility, infiltration, stimulation, activation, and persistence of CAR-Ts. In this review, we explore strategic twists including boosting vaccines and designing implementations that can support CAR-T expansion, proliferation, and tumoricidal capacity. We also step further by underscoring novel strategies for triggering endogenous antitumor responses and overcoming the limitation of poor CAR-T tumor-tissue infiltration and the lack of definitive tumor-specific antigens. Ultimately, we highlight how these approaches can address the mentioned arduous hurdles.
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Affiliation(s)
- Pouya Safarzadeh Kozani
- Department of Medical Biotechnology, Faculty of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Pooria Safarzadeh Kozani
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Milad Ahmadi Najafabadi
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Fatemeh Yousefi
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Fatemeh Rahbarizadeh
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.,Research and Development Center of Biotechnology, Tarbiat Modares University, Tehran, Iran
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9
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Wu L, Zhou W, Lin L, Chen A, Feng J, Qu X, Zhang H, Yue J. Delivery of therapeutic oligonucleotides in nanoscale. Bioact Mater 2022; 7:292-323. [PMID: 34466734 PMCID: PMC8379367 DOI: 10.1016/j.bioactmat.2021.05.038] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/28/2021] [Accepted: 05/22/2021] [Indexed: 02/07/2023] Open
Abstract
Therapeutic oligonucleotides (TOs) represent one of the most promising drug candidates in the targeted cancer treatment due to their high specificity and capability of modulating cellular pathways that are not readily druggable. However, efficiently delivering of TOs to cancer cellular targets is still the biggest challenge in promoting their clinical translations. Emerging as a significant drug delivery vector, nanoparticles (NPs) can not only protect TOs from nuclease degradation and enhance their tumor accumulation, but also can improve the cell uptake efficiency of TOs as well as the following endosomal escape to increase the therapeutic index. Furthermore, targeted and on-demand drug release of TOs can also be approached to minimize the risk of toxicity towards normal tissues using stimuli-responsive NPs. In the past decades, remarkable progresses have been made on the TOs delivery based on various NPs with specific purposes. In this review, we will first give a brief introduction on the basis of TOs as well as the action mechanisms of several typical TOs, and then describe the obstacles that prevent the clinical translation of TOs, followed by a comprehensive overview of the recent progresses on TOs delivery based on several various types of nanocarriers containing lipid-based nanoparticles, polymeric nanoparticles, gold nanoparticles, porous nanoparticles, DNA/RNA nanoassembly, extracellular vesicles, and imaging-guided drug delivery nanoparticles.
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Affiliation(s)
- Lei Wu
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510006, Guangdong, China
| | - Wenhui Zhou
- Pharmaceutical Sciences Laboratory and Turku Bioscience Centre, Åbo Akademi University, Turku, 20520, Finland
- Southern Medical University Affiliated Fengxian Hospital, Shanghai, 201499, China
| | - Lihua Lin
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510006, Guangdong, China
| | - Anhong Chen
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510006, Guangdong, China
| | - Jing Feng
- Southern Medical University Affiliated Fengxian Hospital, Shanghai, 201499, China
| | - Xiangmeng Qu
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510006, Guangdong, China
| | - Hongbo Zhang
- Pharmaceutical Sciences Laboratory and Turku Bioscience Centre, Åbo Akademi University, Turku, 20520, Finland
| | - Jun Yue
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510006, Guangdong, China
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10
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Bordeau BM, Yang Y, Balthasar JP. Transient Competitive Inhibition Bypasses the Binding Site Barrier to Improve Tumor Penetration of Trastuzumab and Enhance T-DM1 Efficacy. Cancer Res 2021; 81:4145-4154. [PMID: 33727230 PMCID: PMC8338739 DOI: 10.1158/0008-5472.can-20-3822] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/26/2021] [Accepted: 03/09/2021] [Indexed: 12/27/2022]
Abstract
Poor penetration of mAbs in solid tumors is explained, in part, by the binding site barrier hypothesis. Following extravasation, mAbs rapidly bind cellular antigens, leading to the observation that, at subsaturating doses, therapeutic antibody in solid tumors localizes around tumor vasculature. Here we report a unique strategy to overcome the binding site barrier through transient competitive inhibition of antibody-antigen binding. The anti-trastuzumab single domain antibody 1HE was identified through in vitro binding assays as a model inhibitor. Coadministration of 1HE did not alter the plasma pharmacokinetics of trastuzumab or ado-trastuzumab emtansine (T-DM1) in vivo. Administration of 1HE alone was rapidly eliminated with a terminal plasma half-life of 1.2 hours, while coadministrations of 1HE with trastuzumab had a terminal half-life of 56 hours. In mice harboring SKOV3 xenografts, coadministration of 1HE with trastuzumab led to significant increases in both penetration of trastuzumab from vasculature and the percentage of tumor area that stained positive for trastuzumab. 1HE coadministered with a single dose of T-DM1 to NCI-N87 xenograft-bearing mice significantly enhanced T-DM1 efficacy, increasing median survival. These results support the hypothesis that transient competitive inhibition can improve therapeutic antibody distribution in solid tumors and enhance antibody efficacy. SIGNIFICANCE: This study describes the development of a transient competitive inhibition strategy that enhances the tumor penetration and efficacy of anticancer antibodies.See related commentary by van Dongen, p. 3956.
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Affiliation(s)
- Brandon M Bordeau
- Department of Pharmaceutical Sciences, University at Buffalo, Buffalo, New York
| | - Yujie Yang
- Department of Pharmaceutical Sciences, University at Buffalo, Buffalo, New York
| | - Joseph P Balthasar
- Department of Pharmaceutical Sciences, University at Buffalo, Buffalo, New York.
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11
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Nakayama J, Han Y, Kuroiwa Y, Azuma K, Yamamoto Y, Semba K. The In Vivo Selection Method in Breast Cancer Metastasis. Int J Mol Sci 2021; 22:1886. [PMID: 33672831 PMCID: PMC7918415 DOI: 10.3390/ijms22041886] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/09/2021] [Accepted: 02/11/2021] [Indexed: 12/25/2022] Open
Abstract
Metastasis is a complex event in cancer progression and causes most deaths from cancer. Repeated transplantation of metastatic cancer cells derived from transplanted murine organs can be used to select the population of highly metastatic cancer cells; this method is called as in vivo selection. The in vivo selection method and highly metastatic cancer cell lines have contributed to reveal the molecular mechanisms of cancer metastasis. Here, we present an overview of the methodology for the in vivo selection method. Recent comparative analysis of the transplantation methods for metastasis have revealed the divergence of metastasis gene signatures. Even cancer cells that metastasize to the same organ show various metastatic cascades and gene expression patterns by changing the transplantation method for the in vivo selection. These findings suggest that the selection of metastasis models for the study of metastasis gene signatures has the potential to influence research results. The study of novel gene signatures that are identified from novel highly metastatic cell lines and patient-derived xenografts (PDXs) will be helpful for understanding the novel mechanisms of metastasis.
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Affiliation(s)
- Jun Nakayama
- Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo 104-0045, Japan; (Y.K.); (Y.Y.)
| | - Yuxuan Han
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo 162-8480, Japan; (Y.H.); (K.A.); (K.S.)
| | - Yuka Kuroiwa
- Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo 104-0045, Japan; (Y.K.); (Y.Y.)
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo 162-8480, Japan; (Y.H.); (K.A.); (K.S.)
| | - Kazushi Azuma
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo 162-8480, Japan; (Y.H.); (K.A.); (K.S.)
| | - Yusuke Yamamoto
- Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo 104-0045, Japan; (Y.K.); (Y.Y.)
| | - Kentaro Semba
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo 162-8480, Japan; (Y.H.); (K.A.); (K.S.)
- Department of Cell Factory, Translational Research Center, Fukushima Medical University, Fukushima 960-1295, Japan
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12
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Blanco‐Fernandez B, Gaspar VM, Engel E, Mano JF. Proteinaceous Hydrogels for Bioengineering Advanced 3D Tumor Models. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003129. [PMID: 33643799 PMCID: PMC7887602 DOI: 10.1002/advs.202003129] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 10/13/2020] [Indexed: 05/14/2023]
Abstract
The establishment of tumor microenvironment using biomimetic in vitro models that recapitulate key tumor hallmarks including the tumor supporting extracellular matrix (ECM) is in high demand for accelerating the discovery and preclinical validation of more effective anticancer therapeutics. To date, ECM-mimetic hydrogels have been widely explored for 3D in vitro disease modeling owing to their bioactive properties that can be further adapted to the biochemical and biophysical properties of native tumors. Gathering on this momentum, herein the current landscape of intrinsically bioactive protein and peptide hydrogels that have been employed for 3D tumor modeling are discussed. Initially, the importance of recreating such microenvironment and the main considerations for generating ECM-mimetic 3D hydrogel in vitro tumor models are showcased. A comprehensive discussion focusing protein, peptide, or hybrid ECM-mimetic platforms employed for modeling cancer cells/stroma cross-talk and for the preclinical evaluation of candidate anticancer therapies is also provided. Further development of tumor-tunable, proteinaceous or peptide 3D microtesting platforms with microenvironment-specific biophysical and biomolecular cues will contribute to better mimic the in vivo scenario, and improve the predictability of preclinical screening of generalized or personalized therapeutics.
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Affiliation(s)
- Barbara Blanco‐Fernandez
- Department of Chemistry, CICECO – Aveiro Institute of Materials, University of AveiroCampus Universitário de SantiagoAveiro3810‐193Portugal
- Institute for Bioengineering of Catalonia (IBEC)The Barcelona Institute of Science and TechnologyBaldiri Reixac 10–12Barcelona08028Spain
| | - Vítor M. Gaspar
- Department of Chemistry, CICECO – Aveiro Institute of Materials, University of AveiroCampus Universitário de SantiagoAveiro3810‐193Portugal
| | - Elisabeth Engel
- Institute for Bioengineering of Catalonia (IBEC)The Barcelona Institute of Science and TechnologyBaldiri Reixac 10–12Barcelona08028Spain
- Materials Science and Metallurgical EngineeringPolytechnical University of Catalonia (UPC)Eduard Maristany 16Barcelona08019Spain
- CIBER en BioingenieríaBiomateriales y NanomedicinaCIBER‐BBNMadrid28029Spain
| | - João F. Mano
- Department of Chemistry, CICECO – Aveiro Institute of Materials, University of AveiroCampus Universitário de SantiagoAveiro3810‐193Portugal
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13
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Sandha KK, Shukla MK, Gupta PN. Recent Advances in Strategies for Extracellular Matrix Degradation and Synthesis Inhibition for Improved Therapy of Solid Tumors. Curr Pharm Des 2020; 26:5456-5467. [DOI: 10.2174/1381612826666200728141601] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/27/2020] [Indexed: 01/04/2023]
Abstract
Despite a great deal of efforts made by researchers and the advances in the technology, the treatment of
cancer is very challenging. Significant advances in the field of cancer therapeutics have been made but due to the
complexity of solid tumor microenvironment, specially their dense extracellular matrix (which makes the conditions
favorable for cancer growth, metastasis and acts as a barrier to the chemotherapeutic drugs as well as
nanomedicine), the treatment of solid tumors is difficult. Overexpression of extracellular matrix components such
as collagen, hyaluronan and proteoglycans in solid tumor leads to high interstitial fluid pressure, hypoxia, vascular
collapse and poor perfusion which hinder the diffusion and convection of the drugs into the tumor tissue. This
leads to the emergence of drug resistance and poor antitumor efficacy of chemotherapeutics. A number of approaches
are being investigated in order to modulate this barrier for improved outcome of cancer chemotherapy.
In this review, recent advances in the various approaches for the modulation of the extracellular matrix barrier of
the solid tumor are covered and significant findings are discussed in an attempt to facilitate more investigations in
this potential area to normalize the tumor extracellular matrix for improving drug exposure to solid tumor.
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Affiliation(s)
- Kamalpreet Kaur Sandha
- PK-PD Toxicology & Formulation Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu, J&K, 180001, India
| | - Monu Kumar Shukla
- PK-PD Toxicology & Formulation Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu, J&K, 180001, India
| | - Prem N. Gupta
- PK-PD Toxicology & Formulation Division, CSIR- Indian Institute of Integrative Medicine, Canal Road, Jammu, J&K, 180001, India
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14
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Xiong F, Cao Y, Guo X, Zhang H, Wang J, Xiong B, Liang B, Zheng C. Improved ADM Penetration Distance and Therapeutic Efficiency in a Rabbit VX2 Liver Cancer Model by Relaxin Infusion Combined with Transcatheter Chemoembolization Through Hepatic Artery. Cancer Manag Res 2020; 12:3379-3388. [PMID: 32494202 PMCID: PMC7231763 DOI: 10.2147/cmar.s223993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 03/03/2020] [Indexed: 12/28/2022] Open
Abstract
Purpose To evaluate the adriamycin (ADM) pervasion distance within tumor stroma after relaxin (RLX) infusion through tumor feeding artery and further investigate the therapeutic effects of RLX infusion combined with transcatheter chemoembolization (TACE) on the rabbit VX2 liver cancer, since the chemotherapy impaired due to limited drug distribution hindered by stiffened tumor stroma. Materials and Methods In the first part, rabbits received normal saline (NS), RLX or combined with TACE, and the penetration distance of ADM was measured by immunofluorescence and the matrix metalloproteinases (MMPs) were evaluated by gelatin substrate zymography in each group. In the second part, the rabbits received NS, TACE and RLX combined with TACE, respectively. The tumor growth rates, necrosis rates and intrahepatic metastasis were measured, and hematoxylin-eosin (HE), transferase-mediated dUTP-biotin nick end labelling (TUNEL) and Ki67 staining were conducted in each group. Results In the first part, the expression of MMP-9 was increased in groups treated by RLX compared with NS group, especially three days after RLX infusion (p=0.001). The ADM penetration distance was significantly increased in groups treated by RLX compared with NS group (p<0.05), and it was farthest three days after RLX infusion. In the second part, compared with the NS and TACE groups, the tumor growth rates, the positive staining rates of Ki67 and the tumor growth rates were significantly decreased in RLX+TACE group (p<0.05). However, the positive staining rates of TUNEL and the tumor necrosis rates were significantly increased (p<0.05), and HE staining also revealed higher necrosis rates. The intrahepatic metastasis indicates no difference between the three groups (p=0.273). Conclusion An increased penetration distance was obtained by RLX infusion through tumor feeding artery, and better therapeutic effects were achieved by RLX combined with TACE.
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Affiliation(s)
- Fu Xiong
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
| | - Yanyan Cao
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
| | - Xiaopeng Guo
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
| | - Hongsen Zhang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
| | - Jihua Wang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
| | - Bin Xiong
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
| | - Bin Liang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
| | - Chuansheng Zheng
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, People's Republic of China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, People's Republic of China
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15
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Peng F, Li R, Zhang F, Qin L, Ling G, Zhang P. Potential drug delivery nanosystems for improving tumor penetration. Eur J Pharm Biopharm 2020; 151:220-238. [PMID: 32311427 DOI: 10.1016/j.ejpb.2020.04.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 03/02/2020] [Accepted: 04/11/2020] [Indexed: 12/17/2022]
Abstract
Nanosystems, as one of the most important drug delivery systems, play a crucial rule in tumor therapy. However, the deep tumor penetration is retarded by the tumor physiological factors and nanomedicine properties. In this review, we firstly elaborate the factors which impact tumor penetration, including the tumor physiological factors and nanomedicine properties. Then, the latest and potential drug delivery nanosystems for improving tumor penetration are summarized and analyzed in detail. Moreover, recent combination therapies for improving penetration are described to enhance penetration. Finally, we summarize the typical clinical therapies of potential drug delivery nanosystems.
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Affiliation(s)
- Feifei Peng
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
| | - Ruirui Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
| | - Fang Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
| | - Li Qin
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
| | - Guixia Ling
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
| | - Peng Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
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16
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Palomeras S, Diaz-Lagares Á, Viñas G, Setien F, Ferreira HJ, Oliveras G, Crujeiras AB, Hernández A, Lum DH, Welm AL, Esteller M, Puig T. Epigenetic silencing of TGFBI confers resistance to trastuzumab in human breast cancer. Breast Cancer Res 2019; 21:79. [PMID: 31277676 PMCID: PMC6612099 DOI: 10.1186/s13058-019-1160-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 06/06/2019] [Indexed: 12/18/2022] Open
Abstract
Background Acquired resistance to trastuzumab is a major clinical problem in the treatment of HER2-positive (HER2+) breast cancer patients. The selection of trastuzumab-resistant patients is a great challenge of precision oncology. The aim of this study was to identify novel epigenetic biomarkers associated to trastuzumab resistance in HER2+ BC patients. Methods We performed a genome-wide DNA methylation (450K array) and a transcriptomic analysis (RNA-Seq) comparing trastuzumab-sensitive (SK) and trastuzumab-resistant (SKTR) HER2+ human breast cancer cell models. The methylation and expression levels of candidate genes were validated by bisulfite pyrosequencing and qRT-PCR, respectively. Functional assays were conducted in the SK and SKTR models by gene silencing and overexpression. Methylation analysis in 24 HER2+ human BC samples with complete response or non-response to trastuzumab-based treatment was conducted by bisulfite pyrosequencing. Results Epigenomic and transcriptomic analysis revealed the consistent hypermethylation and downregulation of TGFBI, CXCL2, and SLC38A1 genes in association with trastuzumab resistance. The DNA methylation and expression levels of these genes were validated in both sensitive and resistant models analyzed. Of the genes, TGFBI presented the highest hypermethylation-associated silencing both at the transcriptional and protein level. Ectopic expression of TGFBI in the SKTR model suggest an increased sensitivity to trastuzumab treatment. In primary tumors, TGFBI hypermethylation was significantly associated with trastuzumab resistance in HER2+ breast cancer patients. Conclusions Our results suggest for the first time an association between the epigenetic silencing of TGFBI by DNA methylation and trastuzumab resistance in HER2+ cell models. These results provide the basis for further clinical studies to validate the hypermethylation of TGFBI promoter as a biomarker of trastuzumab resistance in HER2+ breast cancer patients. Electronic supplementary material The online version of this article (10.1186/s13058-019-1160-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sònia Palomeras
- New Therapeutics Targets Lab (TargetsLab), Department of Medical Sciences, University of Girona, E-17071, Girona, Catalonia, Spain
| | - Ángel Diaz-Lagares
- Cancer Epigenetics and Biology Program (PEBC), Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Catalonia, Spain.,Cancer Epigenomics, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), University Clinical Hospital of Santiago(CHUS/SERGAS), CIBERONC, Santiago de Compostela, Spain
| | - Gemma Viñas
- New Therapeutics Targets Lab (TargetsLab), Department of Medical Sciences, University of Girona, E-17071, Girona, Catalonia, Spain.,Medical Oncology Department, Catalan Institute of Oncology (ICO), Girona, Catalonia, Spain.,Girona Biomedical Research Institute (IDIBGI), E-17071, Girona, Catalonia, Spain
| | - Fernando Setien
- Cancer Epigenetics and Biology Program (PEBC), Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Catalonia, Spain
| | - Humberto J Ferreira
- Cancer Epigenetics and Biology Program (PEBC), Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Catalonia, Spain
| | - Glòria Oliveras
- New Therapeutics Targets Lab (TargetsLab), Department of Medical Sciences, University of Girona, E-17071, Girona, Catalonia, Spain.,Pathology Department, Dr. Josep Trueta Hospital and Catalan Institute of Health (ICS), E-17071, Girona, Catalonia, Spain
| | - Ana B Crujeiras
- Laboratory of Epigenomics in Endocrinology and Nutrition, Health Research Institute of Santiago (IDIS), University Clinical Hospital of Santiago (CHUS/SERGAS), Santiago de Compostela, Spain.,CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Santiago de Compostela, Spain
| | - Alejandro Hernández
- Medical Oncology Department, Catalan Institute of Oncology (ICO), Girona, Catalonia, Spain
| | - David H Lum
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, USA
| | - Alana L Welm
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, USA
| | - Manel Esteller
- Cancer Epigenetics and Biology Program (PEBC), Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Catalonia, Spain. .,Centro de Investigacion Biomedica en Red Cancer (CIBERONC), Madrid, Spain. .,Physiological Sciences Department, School of Medicine and Health Sciences, University of Barcelona (UB), Barcelona, Catalonia, Spain. .,Institucio Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Spain. .,Josep Carreras Leukaemia Research Institute (IJC), Badalona, Barcelona, Catalonia, Spain.
| | - Teresa Puig
- New Therapeutics Targets Lab (TargetsLab), Department of Medical Sciences, University of Girona, E-17071, Girona, Catalonia, Spain.
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17
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Thanasupawat T, Glogowska A, Nivedita-Krishnan S, Wilson B, Klonisch T, Hombach-Klonisch S. Emerging roles for the relaxin/RXFP1 system in cancer therapy. Mol Cell Endocrinol 2019; 487:85-93. [PMID: 30763603 DOI: 10.1016/j.mce.2019.02.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 01/31/2019] [Accepted: 02/01/2019] [Indexed: 02/06/2023]
Abstract
A role for the hormone relaxin in cancer was described well before the receptor was identified. Relaxin predominantly increases the growth and invasive potential in cancers of different origins. However, relaxin was also shown to promote cell differentiation and to act in a dose-and time-dependent manner in different cancer cell models used. Following the discovery of the relaxin like family peptide receptor 1 (RXFP1) as the cellular receptor for RLN1 and RLN2, research has focussed on the ligand interaction with the large extracellular domain of RXFP1 and resulting molecular signaling mechanisms. RXFP1 activation mediates anti-apoptotic functions, angiogenesis and chemoresistance in cancer cells. This minireview summarizes the known biological functions of RXFP1 activation in different cancer entities in-vitro and in-vivo and outlines possible mechanisms to therapeutically address the relaxin-RXFP1 system in cancer cells.
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Affiliation(s)
- Thatchawan Thanasupawat
- Department of Human Anatomy and Cell Science, College of Medicine, University of Manitoba, Winnipeg, Canada
| | - Aleksandra Glogowska
- Department of Human Anatomy and Cell Science, College of Medicine, University of Manitoba, Winnipeg, Canada
| | - Sai Nivedita-Krishnan
- Department of Human Anatomy and Cell Science, College of Medicine, University of Manitoba, Winnipeg, Canada
| | - Brian Wilson
- Department of Biology, Acadia University, Wolfville, Nova Scotia, Canada
| | - Thomas Klonisch
- Department of Human Anatomy and Cell Science, College of Medicine, University of Manitoba, Winnipeg, Canada
| | - Sabine Hombach-Klonisch
- Department of Human Anatomy and Cell Science, College of Medicine, University of Manitoba, Winnipeg, Canada.
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18
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Hong J, Yun CO. Relaxin gene therapy: A promising new treatment option for various diseases with aberrant fibrosis or irregular angiogenesis. Mol Cell Endocrinol 2019; 487:80-84. [PMID: 30641100 DOI: 10.1016/j.mce.2019.01.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 01/10/2019] [Accepted: 01/10/2019] [Indexed: 12/31/2022]
Abstract
Relaxin (RLX) is an insulin-like polypeptide hormone that was initially introduced for its pregnancy-related function. Subsequent studies revealed that RLX possesses anti-fibrotic functions in tumors and nonreproductive tissues, such as skin, lungs, and others. This aspect of the RLX has been explored for the treatment of various illnesses, such as cardiac fibrosis, liver fibrosis, and solid tumors. With gene therapy coming into age with increasing number of products being approved by regulatory bodies in Europe and United States, we aim to discuss how RLX have been utilized in scope of gene therapy for treatment of various illnesses.
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Affiliation(s)
- JinWoo Hong
- Department of Bioengineering, College of Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, 133-791, Seoul, Republic of Korea
| | - Chae-Ok Yun
- Department of Bioengineering, College of Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, 133-791, Seoul, Republic of Korea; Institute of Nano Science and Technology (INST), Hanyang University, Republic of Korea.
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19
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Lunin AV, Kolychev EL, Mochalova EN, Cherkasov VR, Nikitin MP. Synthesis of highly-specific stable nanocrystalline goethite-like hydrous ferric oxide nanoparticles for biomedical applications by simple precipitation method. J Colloid Interface Sci 2019; 541:143-149. [DOI: 10.1016/j.jcis.2019.01.065] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 01/10/2019] [Accepted: 01/15/2019] [Indexed: 12/31/2022]
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20
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Srivastava P, Hira SK, Gupta U, Singh VK, Singh R, Pandey P, Srivastava DN, Singh RA, Manna PP. Pepsin Assisted Doxorubicin Delivery from Mesoporous Silica Nanoparticles Downsizes Solid Tumor Volume and Enhances Therapeutic Efficacy in Experimental Murine Lymphoma. ACS APPLIED BIO MATERIALS 2018; 1:2133-2140. [DOI: 10.1021/acsabm.8b00559] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Sumit Kumar Hira
- Department of Zoology, The University of Burdwan, Purba Burdwan 713104, India
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21
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Pan A, Wang Z, Chen B, Dai W, Zhang H, He B, Wang X, Wang Y, Zhang Q. Localized co-delivery of collagenase and trastuzumab by thermosensitive hydrogels for enhanced antitumor efficacy in human breast xenograft. Drug Deliv 2018; 25:1495-1503. [PMID: 29943651 PMCID: PMC6058501 DOI: 10.1080/10717544.2018.1474971] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 05/03/2018] [Accepted: 05/07/2018] [Indexed: 11/15/2022] Open
Abstract
Modulation of the collagen-rich extracellular matrix (ECM) in solid tumors by the treatment with collagenase has been proved effective in enhancement of the interstitial transport and antitumor efficacy of antibodies. We, therefore, developed a PLGA-PEG-PLGA polymer-based thermosensitive hydrogel, which incorporated a HER2-targeted monoclonal antibody trastuzumab and collagenase (Col/Tra/Gel) for peritumoral administration. HER2-positvie BT474 tumor-bearing mice were selected as a model. The Col/Tra/Gel showed the continuous and biphasic release of protein drugs for 9 days in vitro. NIR imaging studies demonstrated a long-term retention of Col/Tra/Gel hydrogel in the peritumoral area for over 20 days. Treatment with Col/Tra/Gel reduced the collagen density and enhanced apoptotic cell death in tumor tissue, resulting in superior treatments with increased efficacy and reduced toxicity compared with other control groups. Moreover, a quarter-dose of Col/Tra/Gel exhibited a better antitumor efficacy than that of intravenous injection of clinical trastuzumab formulation. This localized co-delivery system offers a potential strategy for the modulation of dense ECM and enhancement of antibody efficacy.
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Affiliation(s)
- Anni Pan
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
- b Beijing Key Laboratory of Molecular Pharmaceutics, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Zhaoyang Wang
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Binlong Chen
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
- b Beijing Key Laboratory of Molecular Pharmaceutics, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Wenbing Dai
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Hua Zhang
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Bing He
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Xueqing Wang
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Yiguang Wang
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
- b Beijing Key Laboratory of Molecular Pharmaceutics, School of Pharmaceutical Sciences, Peking University , Beijing , China
| | - Qiang Zhang
- a State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , Beijing , China
- b Beijing Key Laboratory of Molecular Pharmaceutics, School of Pharmaceutical Sciences, Peking University , Beijing , China
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22
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Kloker LD, Yurttas C, Lauer UM. Three-dimensional tumor cell cultures employed in virotherapy research. Oncolytic Virother 2018; 7:79-93. [PMID: 30234074 PMCID: PMC6130269 DOI: 10.2147/ov.s165479] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Oncolytic virotherapy constitutes an upcoming alternative treatment option for a broad spectrum of cancer entities. However, despite great research efforts, there is still only a single US Food and Drug Administration/European Medicines Agency-approved oncolytic virus available for clinical use. One reason for that is the gap between promising preclinical data and limited clinical success. Since oncolytic viruses are biological agents, they might require more realistic in vitro tumor models than common monolayer tumor cell cultures to provide meaningful predictive preclinical evaluation results. For more realistic invitro tumor models, three-dimensional tumor cell-culture systems can be employed in preclinical virotherapy research. This review provides an overview of spheroid and hydrogel tumor cell cultures, organotypic tumor-tissue slices, organotypic raft cultures, and tumor organoids utilized in the context of oncolytic virotherapy. Furthermore, we also discuss advantages, disadvantages, techniques, and difficulties of these three-dimensional tumor cell-culture systems when applied specifically in virotherapy research.
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Affiliation(s)
- Linus D Kloker
- Department of Clinical Tumor Biology, University Hospital, University of Tübingen, Tübingen, Germany,
| | - Can Yurttas
- Department of General, Visceral and Transplant Surgery, University Hospital, University of Tübingen, Tübingen, Germany
| | - Ulrich M Lauer
- Department of Clinical Tumor Biology, University Hospital, University of Tübingen, Tübingen, Germany, .,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Tübingen, Germany,
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23
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Li J, Li W, Huang K, Zhang Y, Kupfer G, Zhao Q. Chimeric antigen receptor T cell (CAR-T) immunotherapy for solid tumors: lessons learned and strategies for moving forward. J Hematol Oncol 2018; 11:22. [PMID: 29433552 PMCID: PMC5809840 DOI: 10.1186/s13045-018-0568-6] [Citation(s) in RCA: 155] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 02/06/2018] [Indexed: 12/21/2022] Open
Abstract
Recently, the US Food and Drug Administration (FDA) approved the first chimeric antigen receptor T cell (CAR-T) therapy for the treatment CD19-positive B cell acute lymphoblastic leukemia. While CAR-T has achieved remarkable success in the treatment of hematopoietic malignancies, whether it can benefit solid tumor patients to the same extent is still uncertain. Even though hundreds of clinical trials are undergoing exploring a variety of tumor-associated antigens (TAA), no such antigen with comparable properties like CD19 has yet been identified regarding solid tumors CAR-T immunotherapy. Inefficient T cell trafficking, immunosuppressive tumor microenvironment, suboptimal antigen recognition specificity, and lack of safety control are currently considered as the main obstacles in solid tumor CAR-T therapy. Here, we reviewed the solid tumor CAR-T clinical trials, emphasizing the studies with published results. We further discussed the challenges that CAR-T is facing for solid tumor treatment and proposed potential strategies to improve the efficacy of CAR-T as promising immunotherapy.
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Affiliation(s)
- Jian Li
- School of Medicine, Chengdu University, Chengdu, 610106, China
| | - Wenwen Li
- UCL Institute of Ophthalmology, 11-43 Bath Street, London, EC1V 9EL, UK
| | - Kejia Huang
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu, 610052, China
| | - Yang Zhang
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu, 610052, China
| | - Gary Kupfer
- Section of Hematology-Oncology, Department of Pediatrics, Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Qi Zhao
- College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China.
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24
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Sim W, Lee J, Choi C. Robust method for identification of prognostic gene signatures from gene expression profiles. Sci Rep 2017; 7:16926. [PMID: 29208919 PMCID: PMC5717170 DOI: 10.1038/s41598-017-17213-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 11/22/2017] [Indexed: 12/11/2022] Open
Abstract
In the last decade, many attempts have been made to use gene expression profiles to identify prognostic genes for various types of cancer. Previous studies evaluating the prognostic value of genes suffered by failing to solve the critical problem of classifying patients into different risk groups based on specific gene expression threshold levels. Here, we present a novel method, called iterative patient partitioning (IPP), which was inspired by the receiver operating characteristic (ROC) curve, is based on the log-rank test and overcomes the threshold decision problem. We applied IPP to analyze datasets pertaining to various subtypes of breast cancer. Using IPP, we discovered both novel and well-studied prognostic genes related to cell cycle/proliferation or the immune response. The novel genes were further analyzed using copy-number alteration and mutation data, and these results supported their relationship with prognosis.
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Affiliation(s)
- Woogwang Sim
- Department of Bio and Brain Engineering, KAIST, Daejeon, 34141, Republic of Korea
| | - Jungsul Lee
- Cellex Life Sciences Incorporated, Daejeon, 34051, Republic of Korea.
| | - Chulhee Choi
- Department of Bio and Brain Engineering, KAIST, Daejeon, 34141, Republic of Korea. .,Cellex Life Sciences Incorporated, Daejeon, 34051, Republic of Korea.
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25
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Targeting Androgen Receptor in Treating HER2 Positive Breast Cancer. Sci Rep 2017; 7:14584. [PMID: 29109513 PMCID: PMC5674043 DOI: 10.1038/s41598-017-14607-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 10/12/2017] [Indexed: 11/11/2022] Open
Abstract
Androgen receptor (AR) is widely expressed in different subtypes of breast cancer (BC). However, it is unclear how AR functions in HER2 positive (+) BC. Knockdown of AR with shRNAs and a new generation anti-androgen drug, Enzalutamide, were used to explore the involvement of AR on the growth of HER2 + BC cells (HCC1954 and SKBR3). AR shRNA or Enzalutamide inhibited the growth of SKBR3 cells at a similar extend compared to trastuzumab, an approved HER2 targeted drug. Combining Enzalutamide with trastuzumab further decreased the growth of HCC1954 and SKBR3 cells compared with single agent alone in vitro. Biochemical analysis revealed that inhibiting AR resulted in decreased HER2 phosphorylation and activation of Erk and Akt, without affecting the HER2 and HER3 expression. The in vivo efficacy of Enzalutamide was further tested using the HCC1954 xenograft model. Enzalutamide impaired the growth of HCC1954 tumor at a level comparable to that by trastuzumab. Enzalutamide decreased Ki67 staining and increased activated caspase3 staining compared with vehicle control in HCC1954 tumors. Our results indicate AR plays an important role in promoting the growth of HER2 + BC by cross-talking with the HER2 signaling. AR drug may be used as an alternative second line therapy for treating HER2 + BC.
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26
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MacEwan SR, Chilkoti A. From Composition to Cure: A Systems Engineering Approach to Anticancer Drug Carriers. Angew Chem Int Ed Engl 2017; 56:6712-6733. [PMID: 28028871 PMCID: PMC6372097 DOI: 10.1002/anie.201610819] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Indexed: 12/21/2022]
Abstract
The molecular complexity and heterogeneity of cancer has led to a persistent, and as yet unsolved, challenge to develop cures for this disease. The pharmaceutical industry focuses the bulk of its efforts on the development of new drugs, but an alternative approach is to improve the delivery of existing drugs with drug carriers that can manipulate when, where, and how a drug exerts its therapeutic effect. For the treatment of solid tumors, systemically delivered drug carriers face significant challenges that are imposed by the pathophysiological barriers that lie between their site of administration and their site of therapeutic action in the tumor. Furthermore, drug carriers face additional challenges in their translation from preclinical validation to clinical approval and adoption. Addressing this diverse network of challenges requires a systems engineering approach for the rational design of optimized carriers that have a realistic prospect for translation from the laboratory to the patient.
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Affiliation(s)
- Sarah R MacEwan
- Department of Biomedical Engineering, Duke University, P.O. Box 90281, Durham, NC, 27708, USA
- Research Triangle MRSEC, Durham, NC, 27708, USA
- Present address: Institute for Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Duke University, P.O. Box 90281, Durham, NC, 27708, USA
- Research Triangle MRSEC, Durham, NC, 27708, USA
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27
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Smith SE, Mellor P, Ward AK, Kendall S, McDonald M, Vizeacoumar FS, Vizeacoumar FJ, Napper S, Anderson DH. Molecular characterization of breast cancer cell lines through multiple omic approaches. Breast Cancer Res 2017; 19:65. [PMID: 28583138 PMCID: PMC5460504 DOI: 10.1186/s13058-017-0855-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 05/09/2017] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Breast cancer cell lines are frequently used as model systems to study the cellular properties and biology of breast cancer. Our objective was to characterize a large, commonly employed panel of breast cancer cell lines obtained from the American Type Culture Collection (ATCC 30-4500 K) to enable researchers to make more informed decisions in selecting cell lines for specific studies. Information about these cell lines was obtained from a wide variety of sources. In addition, new information about cellular pathways that are activated within each cell line was generated. METHODS We determined key protein expression data using immunoblot analyses. In addition, two analyses on serum-starved cells were carried out to identify cellular proteins and pathways that are activated in these cells. These analyses were performed using a commercial PathScan array and a novel and more extensive phosphopeptide-based kinome analysis that queries 1290 phosphorylation events in major signaling pathways. Data about this panel of breast cancer cell lines was also accessed from several online sources, compiled and summarized for the following areas: molecular classification, mRNA expression, mutational status of key proteins and other possible cancer-associated mutations, and the tumorigenic and metastatic capacity in mouse xenograft models of breast cancer. RESULTS The cell lines that were characterized included 10 estrogen receptor (ER)-positive, 12 human epidermal growth factor receptor 2 (HER2)-amplified and 18 triple negative breast cancer cell lines, in addition to 4 non-tumorigenic breast cell lines. Within each subtype, there was significant genetic heterogeneity that could impact both the selection of model cell lines and the interpretation of the results obtained. To capture the net activation of key signaling pathways as a result of these mutational combinations, profiled pathway activation status was examined. This provided further clarity for which cell lines were particularly deregulated in common or unique ways. CONCLUSIONS These two new kinase or "Kin-OMIC" analyses add another dimension of important data about these frequently used breast cancer cell lines. This will assist researchers in selecting the most appropriate cell lines to use for breast cancer studies and provide context for the interpretation of the emerging results.
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Affiliation(s)
- Shari E Smith
- Cancer Cluster, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Paul Mellor
- Cancer Cluster, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Alison K Ward
- Cancer Cluster, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Stephanie Kendall
- Cancer Cluster, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Megan McDonald
- Vaccine Infectious Disease Organization - International Vaccine Centre (VIDO-InterVac), University of Saskatchewan, 120 Veterinary Road, Saskatoon, SK, S7N 5E3, Canada
| | - Frederick S Vizeacoumar
- Cancer Cluster, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Franco J Vizeacoumar
- Cancer Cluster, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada.,Cancer Research, Saskatchewan Cancer Agency, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Scott Napper
- Vaccine Infectious Disease Organization - International Vaccine Centre (VIDO-InterVac), University of Saskatchewan, 120 Veterinary Road, Saskatoon, SK, S7N 5E3, Canada
| | - Deborah H Anderson
- Cancer Cluster, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada. .,Cancer Research, Saskatchewan Cancer Agency, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada.
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28
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MacEwan SR, Chilkoti A. Von der Zusammensetzung zur Heilung: ein systemtechnischer Ansatz zur Entwicklung von Trägern für Tumortherapeutika. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201610819] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Sarah R. MacEwan
- Department of Biomedical Engineering; Duke University; P.O. Box 90281 Durham NC 27708 USA
- Research Triangle MRSEC; Durham NC 27708 USA
- Institute for Molecular Engineering; University of Chicago; Chicago IL 60637 USA
| | - Ashutosh Chilkoti
- Department of Biomedical Engineering; Duke University; P.O. Box 90281 Durham NC 27708 USA
- Research Triangle MRSEC; Durham NC 27708 USA
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29
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Hu G, Chun X, Wang Y, He Q, Gao H. Peptide mediated active targeting and intelligent particle size reduction-mediated enhanced penetrating of fabricated nanoparticles for triple-negative breast cancer treatment. Oncotarget 2016; 6:41258-74. [PMID: 26517810 PMCID: PMC4747404 DOI: 10.18632/oncotarget.5692] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Accepted: 09/15/2015] [Indexed: 11/25/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is one of the most invasively malignant human cancers and its incidence increases year by year. Effective therapeutics against them needs to be developed urgently. In this study, a kind of angiopep-2 modified and intelligently particle size-reducible NPs, Angio-DOX-DGL-GNP, was designed for accomplishing both high accumulation and deep penetration within tumor tissues. On one hand, for improving the cancerous targeting efficiency of NPs, angiopep-2 was anchored on the surface of NPs to facilitate their accumulation via binding with low density lipoprotein-receptor related protein (LRP) overexpressed on TNBC. On the other hand, for achieving high tumor retention and increasing tumor penetration, an intelligently particle size-reducible NPs were constructed through fabricating gelatin NPs (GNP) with doxorubicin (DOX) loaded dendrigraft poly-lysine (DGL). In vitro cellular uptake and ex-vivo imaging proved the tumor targeting effect of Angio-DOX-DGL-GNP. Additionally, the degradation of large-sized Angio-DOX-DGL-GNP by matrix metalloproteinase-2 (MMP-2) led to the size reduction from 185.7 nm to 55.6 nm. More importantly, the penetration ability of Angio-DOX-DGL-GNP after incubation with MMP-2 was dominantly enhanced in tumor spheroids. Due to a combinational effect of active targeting and deep tumor penetration, the tumor growth inhibition rate of Angio-DOX-DGL-GNP was 74.1% in a 4T1 breast cancer bearing mouse model, which was significantly higher than other groups. Taken together, we successfully demonstrated a promising and effective nanoplatform for TNBC treatment.
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Affiliation(s)
- Guanlian Hu
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xingli Chun
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yang Wang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Qin He
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Huile Gao
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.,State Key Laboratory of Molecular Engineering of Polymers (Fudan University), Shanghai 200433, China
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30
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Shipunova VO, Nikitin MP, Nikitin PI, Deyev SM. MPQ-cytometry: a magnetism-based method for quantification of nanoparticle-cell interactions. NANOSCALE 2016; 8:12764-12772. [PMID: 27279427 DOI: 10.1039/c6nr03507h] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Precise quantification of interactions between nanoparticles and living cells is among the imperative tasks for research in nanobiotechnology, nanotoxicology and biomedicine. To meet the challenge, a rapid method called MPQ-cytometry is developed, which measures the integral non-linear response produced by magnetically labeled nanoparticles in a cell sample with an original magnetic particle quantification (MPQ) technique. MPQ-cytometry provides a sensitivity limit 0.33 ng of nanoparticles and is devoid of a background signal present in many label-based assays. Each measurement takes only a few seconds, and no complicated sample preparation or data processing is required. The capabilities of the method have been demonstrated by quantification of interactions of iron oxide nanoparticles with eukaryotic cells. The total amount of targeted nanoparticles that specifically recognized the HER2/neu oncomarker on the human cancer cell surface was successfully measured, the specificity of interaction permitting the detection of HER2/neu positive cells in a cell mixture. Moreover, it has been shown that MPQ-cytometry analysis of a HER2/neu-specific iron oxide nanoparticle interaction with six cell lines of different tissue origins quantitatively reflects the HER2/neu status of the cells. High correlation of MPQ-cytometry data with those obtained by three other commonly used in molecular and cell biology methods supports consideration of this method as a prospective alternative for both quantifying cell-bound nanoparticles and estimating the expression level of cell surface antigens. The proposed method does not require expensive sophisticated equipment or highly skilled personnel and it can be easily applied for rapid diagnostics, especially under field conditions.
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Affiliation(s)
- V O Shipunova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya Street, Moscow, 117997, Russia
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31
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Kim JS. Combination Radioimmunotherapy Approaches and Quantification of Immuno-PET. Nucl Med Mol Imaging 2016; 50:104-11. [PMID: 27275358 PMCID: PMC4870465 DOI: 10.1007/s13139-015-0392-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 12/18/2015] [Accepted: 12/23/2015] [Indexed: 11/30/2022] Open
Abstract
Monoclonal antibodies (mAbs), which play a prominent role in cancer therapy, can interact with specific antigens on cancer cells, thereby enhancing the patient's immune response via various mechanisms, or mAbs can act against cell growth factors and, thereby, arrest the proliferation of tumor cells. Radionuclide-labeled mAbs, which are used in radioimmunotherapy (RIT), are effective for cancer treatment because tumor associated-mAbs linked to cytotoxic radionuclides can selectively bind to tumor antigens and release targeted cytotoxic radiation. Immunological positron emission tomography (immuno-PET), which is the combination of PET with mAb, is an attractive option for improving tumor detection and mAb quantification. However, RIT remains a challenge because of the limited delivery of mAb into tumors. The transport and uptake of mAb into tumors is slow and heterogeneous. The tumor microenvironment contributed to the limited delivery of the mAb. During the delivery process of mAb to tumor, mechanical drug resistance such as collagen distribution or physiological drug resistance such as high intestinal pressure or absence of lymphatic vessel would be the limited factor of mAb delivery to the tumor at a potentially lethal mAb concentration. When α-emitter-labeled mAbs were used, deeper penetration of α-emitter-labeled mAb inside tumors was more important because of the short range of the α emitter. Therefore, combination therapy strategies aimed at improving mAb tumor penetration and accumulation would be beneficial for maximizing their therapeutic efficacy against solid tumors.
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Affiliation(s)
- Jin Su Kim
- />Molecular Imaging Research Center, Korea Institute of Radiological and Medical Sciences, 75 Nowon-Gil, Gongneung-Dong, Nowon-Gu, Seoul, 01812 Korea
- />Korea Drug Development Platform using Radio-Isotope(KDePRI), Seoul, Korea
- />Radiologcial and Medico-Oncological Sciences, University of Science and Technology (UST), Seoul, Korea
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32
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Schütze F, Röhrig F, Vorlová S, Gätzner S, Kuhn A, Ergün S, Henke E. Inhibition of Lysyl Oxidases Improves Drug Diffusion and Increases Efficacy of Cytotoxic Treatment in 3D Tumor Models. Sci Rep 2015; 5:17576. [PMID: 26620400 PMCID: PMC4665164 DOI: 10.1038/srep17576] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 11/03/2015] [Indexed: 01/07/2023] Open
Abstract
Tumors are characterized by a rigid, highly cross-linked extracellular matrix (ECM), which impedes homogeneous drug distribution and potentially protects malignant cells from exposure to therapeutics. Lysyl oxidases are major contributors to tissue stiffness and the elevated expression of these enzymes observed in most cancers might influence drug distribution and efficacy. We examined the effect of lysyl oxidases on drug distribution and efficacy in 3D in vitro assay systems. In our experiments elevated lysyl oxidase activity was responsible for reduced drug diffusion under hypoxic conditions and consequently impaired cytotoxicity of various chemotherapeutics. This effect was only observed in 3D settings but not in 2D-cell culture, confirming that lysyl oxidases affect drug efficacy by modification of the ECM and do not confer a direct desensitizing effect. Both drug diffusion and efficacy were strongly enhanced by inhibition of lysyl oxidases. The results from the in vitro experiments correlated with tumor drug distribution in vivo, and predicted response to therapeutics in murine tumor models. Our results demonstrate that lysyl oxidase activity modulates the physical barrier function of ECM for small molecule drugs influencing their therapeutic efficacy. Targeting this process has the potential to significantly enhance therapeutic efficacy in the treatment of malignant diseases.
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Affiliation(s)
- Friedrich Schütze
- Institute of Anatomy and Cell Biology II, Universität Würzburg Koellikerstrasse 6, Würzburg, 97070, Germany
| | - Florian Röhrig
- Institute of Anatomy and Cell Biology II, Universität Würzburg Koellikerstrasse 6, Würzburg, 97070, Germany
| | - Sandra Vorlová
- Institute of Clinical Biochemistry and Pathobiochemistry, Universitätsklinikum Würzburg Josef-Schneider-Strasse 2, Würzburg, 97080, Germany
| | - Sabine Gätzner
- Institute of Tissue Engineering, Universität Würzburg Roentgenring 11, Würzburg, 97070, Germany
| | - Anja Kuhn
- Institute of Anatomy and Cell Biology II, Universität Würzburg Koellikerstrasse 6, Würzburg, 97070, Germany
| | - Süleyman Ergün
- Institute of Anatomy and Cell Biology II, Universität Würzburg Koellikerstrasse 6, Würzburg, 97070, Germany
| | - Erik Henke
- Institute of Anatomy and Cell Biology II, Universität Würzburg Koellikerstrasse 6, Würzburg, 97070, Germany.,Graduate School for Life Science, Universität Würzburg Josef-Schneider-Strasse 2, Würzburg, 97080, Germany
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33
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Timbie KF, Mead BP, Price RJ. Drug and gene delivery across the blood-brain barrier with focused ultrasound. J Control Release 2015; 219:61-75. [PMID: 26362698 DOI: 10.1016/j.jconrel.2015.08.059] [Citation(s) in RCA: 133] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 08/26/2015] [Accepted: 08/31/2015] [Indexed: 12/31/2022]
Abstract
The blood-brain barrier (BBB) remains one of the most significant limitations to treatments of central nervous system (CNS) disorders including brain tumors, neurodegenerative diseases and psychiatric disorders. It is now well-established that focused ultrasound (FUS) in conjunction with contrast agent microbubbles may be used to non-invasively and temporarily disrupt the BBB, allowing localized delivery of systemically administered therapeutic agents as large as 100nm in size to the CNS. Importantly, recent technological advances now permit FUS application through the intact human skull, obviating the need for invasive and risky surgical procedures. When used in combination with magnetic resonance imaging, FUS may be applied precisely to pre-selected CNS targets. Indeed, FUS devices capable of sub-millimeter precision are currently in several clinical trials. FUS mediated BBB disruption has the potential to fundamentally change how CNS diseases are treated, unlocking potential for combinatorial treatments with nanotechnology, markedly increasing the efficacy of existing therapeutics that otherwise do not cross the BBB effectively, and permitting safe repeated treatments. This article comprehensively reviews recent studies on the targeted delivery of therapeutics into the CNS with FUS and offers perspectives on the future of this technology.
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Affiliation(s)
- Kelsie F Timbie
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA
| | - Brian P Mead
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA
| | - Richard J Price
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA.
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34
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Al-Abd AM, Aljehani ZK, Gazzaz RW, Fakhri SH, Jabbad AH, Alahdal AM, Torchilin VP. Pharmacokinetic strategies to improve drug penetration and entrapment within solid tumors. J Control Release 2015; 219:269-277. [PMID: 26342660 DOI: 10.1016/j.jconrel.2015.08.055] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 08/09/2015] [Accepted: 08/28/2015] [Indexed: 02/08/2023]
Abstract
Despite the discovery of a large number of anticancer agents, cancer still remains among the leading causes of death since the middle of the twentieth century. Solid tumors possess a high degree of genetic instability and emergence of treatment resistance. Tumor resistance has emerged for almost all approved anticancer drugs and will most probably emerge for newly discovered anticancer agents as well. The use of pharmacokinetic approaches to increase anticancer drug concentrations within the solid tumor compartment and prolong its entrapment might diminish the possibility of resistance emergence at the molecular pharmacodynamic level and might even reverse tumor resistance. Several novel treatment modalities such as metronomic therapy, angiogenesis inhibitors, vascular disrupting agents and tumor priming have been introduced to improve solid tumor treatment outcomes. In the current review we will discuss the pharmacokinetic aspect of these treatment modalities in addition to other older treatment modalities, such as extracellular matrix dissolving agents, extracellular matrix synthesis inhibitors, chemoembolization and cellular efflux pump inhibition. Many of these strategies showed variable degrees of success/failure; however, reallocating these modalities based on their influence on the intratumoral pharmacokinetics might improve their understanding and treatment outcomes.
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Affiliation(s)
- Ahmed M Al-Abd
- Department of Pharmacology, Medical Division, National Research Centre, Dokki, Giza, Egypt; Center for Pharmaceutical Biotechnology and Nanomedicine (CPBN), Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA; Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Zekra K Aljehani
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Rana W Gazzaz
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sarah H Fakhri
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Aisha H Jabbad
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Vladimir P Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine (CPBN), Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA; Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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35
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Ngamcherdtrakul W, Morry J, Gu S, Castro DJ, Goodyear SM, Sangvanich T, Reda MM, Lee R, Mihelic SA, Beckman BL, Hu Z, Gray JW, Yantasee W. Cationic Polymer Modified Mesoporous Silica Nanoparticles for Targeted SiRNA Delivery to HER2+ Breast Cancer. ADVANCED FUNCTIONAL MATERIALS 2015; 25:2646-2659. [PMID: 26097445 PMCID: PMC4469082 DOI: 10.1002/adfm.201404629] [Citation(s) in RCA: 123] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
In vivo delivery of siRNAs designed to inhibit genes important in cancer and other diseases continues to be an important biomedical goal. We now describe a new nanoparticle construct that has been engineered for efficient delivery of siRNA to tumors. The construct is comprised of a 47-nm mesoporous silica nanoparticle (MSNP) core coated with a cross-linked PEI-PEG copolymer, carrying siRNA against the HER2 oncogene, and coupled to the anti-HER2 monoclonal antibody (trastuzumab). The construct has been engineered to increase siRNA blood half-life, enhance tumor-specific cellular uptake, and maximize siRNA knockdown efficacy. The optimized anti-HER2-nanoparticles produced apoptotic death in HER2 positive (HER2+) breast cancer cells grown in vitro, but not in HER2 negative (HER2-) cells. One dose of the siHER2-nanoparticles reduced HER2 protein levels by 60% in trastuzumab-resistant HCC1954 xenografts. Multiple doses administered intravenously over 3 weeks significantly inhibited tumor growth (p < 0.004). The siHER2-nanoparticles have an excellent safety profile in terms of blood compatibility and low cytokine induction, when exposed to human peripheral blood mononuclear cells. The construct can be produced with high batch-to-batch reproducibility and the production methods are suitable for large-scale production. These results suggest that this siHER2-nanoparticle is ready for clinical evaluation.
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Affiliation(s)
- Worapol Ngamcherdtrakul
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Jingga Morry
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Shenda Gu
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - David J. Castro
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
- PDX Pharmaceuticals 24 Independence Ave, Lake Oswego, OR 97035
| | - Shaun M. Goodyear
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Thanapon Sangvanich
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Moataz M. Reda
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Richard Lee
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Samuel A. Mihelic
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Brandon L. Beckman
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Zhi Hu
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Joe W. Gray
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
| | - Wassana Yantasee
- Department of Biomedical Engineering, Oregon Health & Science University 3303 SW Bond Ave, Portland, OR 97239
- PDX Pharmaceuticals 24 Independence Ave, Lake Oswego, OR 97035
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Jakeman PG, Hills TE, Tedcastle AB, Di Y, Fisher KD, Seymour LW. Improved in vitro human tumor models for cancer gene therapy. Hum Gene Ther 2015; 26:249-56. [PMID: 25808057 DOI: 10.1089/hum.2015.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Developing effective anticancer treatments is a particular challenge, as agents must contend with not only the target cellular biology, but also with the complex tumor microenvironment. Here we discuss various in vitro strategies that have sought to address this issue, with a particular focus on new methodologies that utilize clinical samples in basic research and their application in gene therapy and virotherapy.
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Affiliation(s)
- Philip G Jakeman
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Thomas E Hills
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Alison B Tedcastle
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Ying Di
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Kerry D Fisher
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
| | - Leonard W Seymour
- Department of Oncology, University of Oxford, Headington, Oxford OX3 7DQ, United Kingdom
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Walsh AJ, Cook RS, Lee JH, Arteaga CL, Skala MC. Collagen density and alignment in responsive and resistant trastuzumab-treated breast cancer xenografts. JOURNAL OF BIOMEDICAL OPTICS 2015; 20:26004. [PMID: 25700233 PMCID: PMC4335617 DOI: 10.1117/1.jbo.20.2.026004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 01/21/2015] [Indexed: 05/04/2023]
Abstract
Tumor collagen characteristics influence tumor malignancy, invasion, and metastasis. This study investigates the effects of trastuzumab (Tz) on the collagen of Tz-responsive (BT474) and Tz-resistant (HR6) breast cancer xenografts. Collagen content was assessed by in vivo second harmonic generation (SHG) imaging and histological trichrome staining of tumor sections. Collagen SHG imaging of control BT474 and HR6 tumors demonstrated increased collagen density after 14 days of treatment (p < 0.05). Trichrome staining revealed decreased collagen in Tz-treated BT474 and HR6 tumors at 2, 5, and 14 days of treatment, suggesting that Tz affects the tumor microenvironment independent of epithelial cell response. Additionally, collagen alignment analysis revealed significantly less aligned collagen in the Tz-treated BT474 tumors at day 14 compared with control BT474 tumors. There was no correlation between SHG endpoints (collagen density and alignment) and trichrome staining (p > 0.05), consistent with the physically distinctive nature of these measurements. There was also no correlation between tumor size and collagen endpoints (p > 0.05). These results identify changes within the collagen compartment of the tumor microenvironment following Tz treatment, which are independent from the tumor cell response to Tz, and demonstrate that intravital collagen SHG imaging is capable of measuring dynamic changes in tumor microenvironment following treatment that complements trichrome staining.
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Affiliation(s)
- Alex J. Walsh
- Vanderbilt University, Department of Biomedical Engineering Station B, Box 1631, Nashville, Tennessee 37235, United States
| | - Rebecca S. Cook
- Vanderbilt University, Department of Cancer Biology, Breast Cancer Research Program, 2220 Pierce Avenue, Nashville, Tennessee 37232, United States
| | - Jae H. Lee
- Vanderbilt University, Department of Biomedical Engineering Station B, Box 1631, Nashville, Tennessee 37235, United States
| | - Carlos L. Arteaga
- Vanderbilt University, Department of Cancer Biology, Breast Cancer Research Program, 2220 Pierce Avenue, Nashville, Tennessee 37232, United States
- Vanderbilt University, Department of Medicine, 2220 Pierce Avenue, Nashville, Tennessee 37232, United States
| | - Melissa C. Skala
- Vanderbilt University, Department of Biomedical Engineering Station B, Box 1631, Nashville, Tennessee 37235, United States
- Address all correspondence to: Melissa C. Skala, E-mail:
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Pruszynski M, Koumarianou E, Vaidyanathan G, Chitneni S, Zalutsky MR. D-Amino acid peptide residualizing agents bearing N-hydroxysuccinimido- and maleimido-functional groups and their application for trastuzumab radioiodination. Nucl Med Biol 2015; 42:19-27. [PMID: 25240914 PMCID: PMC4268387 DOI: 10.1016/j.nucmedbio.2014.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Accepted: 08/07/2014] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Proteins that undergo receptor-mediated endocytosis are subject to lysosomal degradation, requiring radioiodination methods that minimize loss of radioactivity from tumor cells after this process occurs. To accomplish this, we developed the residualizing radioiodination agent N(ϵ)-(3-[(*)I]iodobenzoyl)-Lys(5)-N(α)-maleimido-Gly(1)-D-GEEEK (Mal-D-GEEEK-[(*)I]IB), which enhanced tumor uptake but also increased kidney activity and necessitates generation of sulfhydryl moieties on the protein. The purpose of the current study was to synthesize and evaluate a new D-amino acid based agent that might avoid these potential problems. METHODS N(α)-(3-iodobenzoyl)-(5-succinimidyloxycarbonyl)-D-EEEG (NHS-IB-D-EEEG), which contains 3 D-glutamates to provide negative charge and a N-hydroxysuccinimide function to permit conjugation to unmodified proteins, and the corresponding tin precursor were produced by solid phase peptide synthesis and subsequent conjugation with appropriate reagents. Radioiodination of the anti-HER2 antibody trastuzumab using NHS-IB-D-EEEG and Mal-D-GEEEK-IB was compared. Paired-label internalization assays on BT474 breast carcinoma cells and biodistribution studies in athymic mice bearing BT474M1 xenografts were performed to evaluate the two radioiodinated D-peptide trastuzumab conjugates. RESULTS NHS-[(131)I]IB-D-EEEG was produced in 53.8%±13.4% and conjugated to trastuzumab in 39.5%±7.6% yield. Paired-label internalization assays with trastuzumab-NHS-[(131)I]IB-D-EEEG and trastuzumab-Mal-D-GEEEK-[(125)I]IB demonstrated similar intracellular trapping for both conjugates at 1h ((131)I, 84.4%±6.1%; (125)I, 88.6%±5.2%) through 24h ((131)I, 60.7%±6.8%; (125)I, 64.9%±6.9%). In the biodistribution experiment, tumor uptake peaked at 48 h (trastuzumab-NHS-[(131)I]IB-D-EEEG, 29.8%±3.6%ID/g; trastuzumab-Mal-D-GEEEK-[(125)I]IB, 45.3%±5.3%ID/g) and was significantly higher for (125)I at all time points. In general, normal tissue levels were lower for trastuzumab-NHS-[(131)I]IB-D-EEEG, with the differences being greatest in kidneys ((131)I, 2.2%±0.4%ID/g; (125)I, 16.9%±2.8%ID/g at 144 h). CONCLUSION NHS-[(131)I]IB-D-EEEG warrants further evaluation as a residualizing radioiodination agent for labeling internalizing antibodies/fragments, particularly for applications where excessive renal accumulation could be problematic.
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Affiliation(s)
- Marek Pruszynski
- Department of Radiology, Duke University Medical Center, Durham, NC, USA
| | | | | | - Satish Chitneni
- Department of Radiology, Duke University Medical Center, Durham, NC, USA
| | - Michael R Zalutsky
- Department of Radiology, Duke University Medical Center, Durham, NC, USA; Departments of Biomedical Engineering and Radiation Oncology, Duke University, Durham, NC, USA.
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Parodi A, Haddix SG, Taghipour N, Scaria S, Taraballi F, Cevenini A, Yazdi IK, Corbo C, Palomba R, Khaled SZ, Martinez JO, Brown BS, Isenhart L, Tasciotti E. Bromelain surface modification increases the diffusion of silica nanoparticles in the tumor extracellular matrix. ACS NANO 2014; 8:9874-83. [PMID: 25119793 PMCID: PMC4212787 DOI: 10.1021/nn502807n] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Accepted: 08/13/2014] [Indexed: 05/22/2023]
Abstract
Tumor extracellular matrix (ECM) represents a major obstacle to the diffusion of therapeutics and drug delivery systems in cancer parenchyma. This biological barrier limits the efficacy of promising therapeutic approaches including the delivery of siRNA or agents intended for thermoablation. After extravasation due to the enhanced penetration and retention effect of tumor vasculature, typical nanotherapeutics are unable to reach the nonvascularized and anoxic regions deep within cancer parenchyma. Here, we developed a simple method to provide mesoporous silica nanoparticles (MSN) with a proteolytic surface. To this extent, we chose to conjugate MSN to Bromelain (Br-MSN), a crude enzymatic complex, purified from pineapple stems, that belongs to the peptidase papain family. This surface modification increased particle uptake in endothelial, macrophage, and cancer cell lines with minimal impact on cellular viability. Most importantly Br-MSN showed an increased ability to digest and diffuse in tumor ECM in vitro and in vivo.
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Affiliation(s)
- Alessandro Parodi
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- Fondazione SDN IRCCS, Naples 80143, Italy
| | - Seth G. Haddix
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
| | - Nima Taghipour
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
| | - Shilpa Scaria
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
| | - Francesca Taraballi
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- Pain Therapy Service, Fondazione IRCCS Policlinico San Matteo, Pavia 27100, Italy
| | - Armando Cevenini
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, Naples 80131, Italy
- CEINGE-Biotecnologie Avanzate, s.c.a r.l., Naples 80145, Italy
| | - Iman K. Yazdi
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- Department of Biomedical Engineering, University of Houston, Houston, Texas 77204, United States
| | - Claudia Corbo
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- Fondazione SDN IRCCS, Naples 80143, Italy
| | - Roberto Palomba
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- Fondazione SDN IRCCS, Naples 80143, Italy
| | - Sm Z. Khaled
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
| | - Jonathan O. Martinez
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- The University of Texas Health Science Center at Houston, Houston, Texas 77030, United States
| | - Brandon S. Brown
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- The University of Texas Health Science Center at Houston, Houston, Texas 77030, United States
| | - Lucas Isenhart
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
| | - Ennio Tasciotti
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
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Marino N, Collins JW, Shen C, Caplen NJ, Merchant AS, Gökmen-Polar Y, Goswami CP, Hoshino T, Qian Y, Sledge GW, Steeg PS. Identification and validation of genes with expression patterns inverse to multiple metastasis suppressor genes in breast cancer cell lines. Clin Exp Metastasis 2014; 31:771-86. [PMID: 25086928 DOI: 10.1007/s10585-014-9667-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 07/04/2014] [Indexed: 12/30/2022]
Abstract
Metastasis suppressor genes (MSGs) have contributed to an understanding of regulatory pathways unique to the lethal metastatic process. When re-expressed in experimental models, MSGs block cancer spread to, and colonization of distant sites without affecting primary tumor formation. Genes have been identified with expression patterns inverse to a single MSG, and found to encode functional, druggable signaling pathways. We now hypothesize that common signaling pathways mediate the effects of multiple MSGs. By gene expression profiling of human MCF7 breast carcinoma cells expressing a scrambled siRNA, or siRNAs to each of 19 validated MSGs (NME1, BRMS1, CD82, CDH1, CDH2, CDH11, CASP8, MAP2K4, MAP2K6, MAP2K7, MAPK14, GSN, ARHGDIB, AKAP12, DRG1, CD44, PEBP1, RRM1, KISS1), we identified genes whose expression was significantly opposite to at least five MSGs. Five genes were selected for further analysis: PDE5A, UGT1A, IL11RA, DNM3 and OAS1. After stable downregulation of each candidate gene in the aggressive human breast cancer cell line MDA-MB-231T, in vitro motility was significantly inhibited. Two stable clones downregulating PDE5A (phosphodiesterase 5A), an enzyme involved in the regulation of cGMP-specific signaling, exhibited no difference in cell proliferation, but reduced motility by 47 and 66 % compared to the empty vector-expressing cells (p = 0.01 and p = 0.005). In an experimental metastasis assay, two shPDE5A-MDA-MB-231T clones produced 47-62 % fewer lung metastases than shRNA-scramble expressing cells (p = 0.045 and p = 0.009 respectively). This study demonstrates that previously unrecognized genes are inversely related to the expression of multiple MSGs, contribute to aspects of metastasis, and may stand as novel therapeutic targets.
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Affiliation(s)
- Natascia Marino
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, Building 37/Room 1126, 37 Convent Drive, Bethesda, MD, 20892, USA,
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Tumor Restrictions to Oncolytic Virus. Biomedicines 2014; 2:163-194. [PMID: 28548066 PMCID: PMC5423468 DOI: 10.3390/biomedicines2020163] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 03/17/2014] [Accepted: 03/28/2014] [Indexed: 02/06/2023] Open
Abstract
Oncolytic virotherapy has advanced since the days of its conception but therapeutic efficacy in the clinics does not seem to reach the same level as in animal models. One reason is premature oncolytic virus clearance in humans, which is a reasonable assumption considering the immune-stimulating nature of the oncolytic agents. However, several studies are beginning to reveal layers of restriction to oncolytic virotherapy that are present before an adaptive neutralizing immune response. Some of these barriers are present constitutively halting infection before it even begins, whereas others are raised by minute cues triggered by virus infection. Indeed, we and others have noticed that delivering viruses to tumors may not be the biggest obstacle to successful therapy, but instead the physical make-up of the tumor and its capacity to mount antiviral defenses seem to be the most important efficacy determinants. In this review, we summarize the constitutive and innate barriers to oncolytic virotherapy and discuss strategies to overcome them.
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42
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Beyer I, van Rensburg R, Lieber A. Overcoming physical barriers in cancer therapy. Tissue Barriers 2014; 1:e23647. [PMID: 24665377 PMCID: PMC3875641 DOI: 10.4161/tisb.23647] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 01/15/2013] [Accepted: 01/16/2013] [Indexed: 01/09/2023] Open
Abstract
Most solid tumors are of epithelial origin and, although malignant cells are de-differentiated, they maintain intercellular junctions, a key feature of epithelial cells, both in the primary tumor as well as in metastatic lesions. These intercellular junctions represent a protective mechanism against attacks by the host’s immune system and pose as physical barriers that prevent intratumoral penetration and dissemination of cancer therapeutics. A key protein of epithelial junctions is desmoglein 2 (DSG2). DSG2 is consistently upregulated in all cancers analyzed. Recently, we demonstrated that a group of human adenoviruses (Ad serotypes 3, 7, 11 and 14) use DSG2 as a primary attachment receptor for the infection of cells. We subsequently created a small recombinant protein derived from Ad serotype 3, which binds to DSG2 and triggers transient opening of epithelial intercellular junctions. We named the protein “JO-1” (“junction opener -1”). JO-1 is a small protein that can easily be produced in E. coli. JO-1 binding to and clustering of DSG2 triggers an epithelial-to-mesenchymal-transition that results in transient opening of epithelial junctions. We have shown in over 25 xenograft tumor models that the intravenous injection of JO-1 increased the efficacy of monoclonal and chemotherapy, subsequently reducing the required treatment dose and concomitantly reducing the toxic side effect of these treatments. The application of JO-1 has not been associated with toxicities in safety studies performed in human DSG2-transgenic mice and monkeys.
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Affiliation(s)
- Ines Beyer
- University of Washington; Department of Medicine; Division of Medical Genetics; Seattle, WA USA ; University of Duesseldorf; Department of OB/GYN; Dusseldorf, Germany
| | - Ruan van Rensburg
- University of Washington; Department of Medicine; Division of Medical Genetics; Seattle, WA USA ; Leibnitz Institute for Age Research; Jena, Germany
| | - André Lieber
- University of Washington; Department of Medicine; Division of Medical Genetics; Seattle, WA USA ; University of Washington; Department of Pathology; Seattle, WA USA
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Yan Z, Yang Y, Wei X, Zhong J, Wei D, Liu L, Xie C, Wang F, Zhang L, Lu W, He D. Tumor-Penetrating Peptide Mediation: An Effective Strategy for Improving the Transport of Liposomes in Tumor Tissue. Mol Pharm 2013; 11:218-25. [DOI: 10.1021/mp400393a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Zhiqiang Yan
- National Engineering Research Center for Nanotechnology, Shanghai 200241, P.R. China
- Institute of Biomedical Engineering and Technology, Shanghai Engineering Research Center of Molecular Therapeutics
and New Drug Development, Institutes for
Advanced Interdisciplinary Research, East China Normal University, Shanghai 200062, P.R. China
| | - Yiyi Yang
- National Engineering Research Center for Nanotechnology, Shanghai 200241, P.R. China
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Xiaoli Wei
- Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education, Department
of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, P.R. China
| | - Jian Zhong
- National Engineering Research Center for Nanotechnology, Shanghai 200241, P.R. China
| | - Daixu Wei
- National Engineering Research Center for Nanotechnology, Shanghai 200241, P.R. China
| | - Lu Liu
- National Engineering Research Center for Nanotechnology, Shanghai 200241, P.R. China
| | - Cao Xie
- Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education, Department
of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, P.R. China
| | - Fei Wang
- Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education, Department
of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, P.R. China
| | - Lin Zhang
- Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education, Department
of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, P.R. China
| | - Weiyue Lu
- Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education, Department
of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, P.R. China
| | - Dannong He
- National Engineering Research Center for Nanotechnology, Shanghai 200241, P.R. China
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
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Binder C, Chuang E, Habla C, Bleckmann A, Schulz M, Bathgate R, Einspanier A. Relaxins enhance growth of spontaneous murine breast cancers as well as metastatic colonization of the brain. Clin Exp Metastasis 2013; 31:57-65. [PMID: 23963762 PMCID: PMC3892110 DOI: 10.1007/s10585-013-9609-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2013] [Accepted: 08/05/2013] [Indexed: 11/26/2022]
Abstract
Relaxins are known for their tissue remodeling capacity which is also a hallmark of cancer progression. However, their role in the latter context is still unclear, particularly in breast cancer. In a mouse model with spontaneously arising breast cancer due to erbB2-overexpression we show that exposure to porcine relaxin results in significantly enhanced tumour growth as compared to control animals. This is accompanied by increased serum concentrations of progesterone and estradiol as well as elevated expression of the respective receptors and the relaxin receptor RXFP1 in the tumour tissue. It is also associated with enhanced infiltration by tumour-associated macrophages which are known to promote tumour progression. Additionally, we show in an ex vivo model of metastatic brain colonization that porcine relaxin as well as human brain-specific relaxin-3 promotes invasion into the brain tissue and enhance interaction of breast cancer cells with the resident brain macrophages, the microglia. Relaxin signaling is mediated via RXFP1, since R 3/I5, a specific agonist of the relaxin-3 receptor RXFP3 in the brain, does not significantly enhance invasion. Taken together, these findings strongly support a role of relaxins in the progression of breast cancer where they foster primary tumour growth as well as metastatic colonization by direct and indirect means.
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Affiliation(s)
- Claudia Binder
- Department of Haematology/Oncology, Georg-August-University, Robert-Koch-str. 40, 37075 Göttingen, Germany
| | - Eugenia Chuang
- Department of Haematology/Oncology, Georg-August-University, Robert-Koch-str. 40, 37075 Göttingen, Germany
| | - Christina Habla
- Institute of Veterinary Physiological Chemistry, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
| | - Annalen Bleckmann
- Department of Haematology/Oncology, Georg-August-University, Robert-Koch-str. 40, 37075 Göttingen, Germany
- Deparment of Medical Statistics, Georg-August-University, Göttingen, Germany
| | - Matthias Schulz
- Department of Haematology/Oncology, Georg-August-University, Robert-Koch-str. 40, 37075 Göttingen, Germany
| | - Ross Bathgate
- Florey Neuroscience Institutes and Department of Biochemistry and Molecular Biology, University of Melbourne, Parkville, VIC Australia
| | - Almuth Einspanier
- Institute of Veterinary Physiological Chemistry, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
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Choi IK, Strauss R, Richter M, Yun CO, Lieber A. Strategies to increase drug penetration in solid tumors. Front Oncol 2013; 3:193. [PMID: 23898462 PMCID: PMC3724174 DOI: 10.3389/fonc.2013.00193] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Accepted: 07/11/2013] [Indexed: 12/31/2022] Open
Abstract
Despite significant improvement in modalities for treatment of cancer that led to a longer survival period, the death rate of patients with solid tumors has not changed during the last decades. Emerging studies have identified several physical barriers that limit the therapeutic efficacy of cancer therapeutic agents such as monoclonal antibodies, chemotherapeutic agents, anti-tumor immune cells, and gene therapeutics. Most solid tumors are of epithelial origin and, although malignant cells are de-differentiated, they maintain intercellular junctions, a key feature of epithelial cells, both in the primary tumor as well as in metastatic lesions. Furthermore, nests of malignant epithelial tumor cells are shielded by layers of extracellular matrix (ECM) proteins (e.g., collagen, elastin, fibronectin, laminin) whereby tumor vasculature rarely penetrates into the tumor nests. In this chapter, we will review potential strategies to modulate the ECM and epithelial junctions to enhance the intratumoral diffusion and/or to remove physical masking of target receptors on malignant cells. We will focus on peptides that bind to the junction protein desmoglein 2 and trigger intracellular signaling, resulting in the transient opening of intercellular junctions. Intravenous injection of these junction openers increased the efficacy and safety of therapies with monoclonal antibodies, chemotherapeutics, and T cells in mouse tumor models and was safe in non-human primates. Furthermore, we will summarize approaches to transiently degrade ECM proteins or downregulate their expression. Among these approaches is the intratumoral expression of relaxin or decorin after adenovirus- or stem cell-mediated gene transfer. We will provide examples that relaxin-based approaches increase the anti-tumor efficacy of oncolytic viruses, monoclonal antibodies, and T cells.
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Affiliation(s)
- Il-Kyu Choi
- Department of Bioengineering, College of Engineering, Hanyang University , Seoul , South Korea
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Abstract
Development of antitumor preparations with low toxicity and high selectivity of action is one of the top priorities of cancer gene therapy. Mesenchymal stem cells possess natural tropism towards tumors, a property that makes possible their use as a vehicle for targeted delivery of therapeutic genes into tumors of various etiologies. At present, genes encoding enzymes (cytosine deaminase, thymidine kinase, carboxyl esterase), cytokines (IL-2, IL-4, IL-12, IFN-beta) and apoptosis inducing factors (TRAIL) are used as therapeutic genes. Mesenchymal stem cells, as demonstrated using experimental models of tumors of various etiologies as well as animals with metastases in brain and lungs, are able to successfully deliver therapeutic genes into tumors and produce significant antitumor effect. However, to effectively use this therapeutic strategy in clinic, one still has to solve a number of technical problems.
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Cernaro V, Lacquaniti A, Lupica R, Buemi A, Trimboli D, Giorgianni G, Bolignano D, Buemi M. Relaxin: new pathophysiological aspects and pharmacological perspectives for an old protein. Med Res Rev 2013; 34:77-105. [PMID: 23401142 DOI: 10.1002/med.21277] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Human relaxin-2 (hereafter simply defined as "relaxin") is a 6-kDa peptidic hormone best known for the physiological role played during pregnancy in the growth and differentiation of the reproductive tract and in the renal and systemic hemodynamic changes. This factor can also be involved in the pathophysiology of arterial hypertension and heart failure, in the molecular pathways of fibrosis and cancer, and in angiogenesis and bone remodeling. It belongs to the relaxin peptide family, whose members comprehensively exert numerous effects through interaction with different types of receptors, classified as relaxin family peptide (RXFP) receptors (RXFP1, RXFP2, RXFP3, RXFP4). Research looks toward the in-depth examination and complete understanding of relaxin in its various pleiotropic actions. The intent is to evaluate the likelihood of employing this substance for therapeutic purposes, for instance in diseases where a deficit could be part of the underlying pathophysiological mechanisms, also avoiding any adverse effect. Relaxin is already being considered as a promising drug, especially in acute heart failure. A careful study of the different RXFPs and their receptors and the comprehension of all biological activities of these hormones will probably provide new drugs with a potential wide range of therapeutic applications in the near future.
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Affiliation(s)
- Valeria Cernaro
- Department of Internal Medicine, University of Messina, Via Consolare Valeria, 1, 98100, Italy
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Marcucci F, Bellone M, Rumio C, Corti A. Approaches to improve tumor accumulation and interactions between monoclonal antibodies and immune cells. MAbs 2012; 5:34-46. [PMID: 23211740 DOI: 10.4161/mabs.22775] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Monoclonal antibodies (mAb) have become a mainstay in tumor therapy. Clinical responses to mAb therapy, however, are far from optimal, with many patients presenting native or acquired resistance or suboptimal responses to a mAb therapy. MAbs exert antitumor activity through different mechanisms of action and we propose here a classification of these mechanisms. In many cases mAbs need to interact with immune cells to exert antitumor activity. We summarize evidence showing that interactions between mAbs and immune cells may be inadequate for optimal antitumor activity. This may be due to insufficient tumor accumulation of mAbs or immune cells, or to low-affinity interactions between these components. The possibilities to improve tumor accumulation of mAbs and immune cells, and to improve the affinity of the interactions between these components are reviewed. We also discuss future directions of research that might further improve the therapeutic efficacy of antitumor mAbs.
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Affiliation(s)
- Fabrizio Marcucci
- Centro Nazionale di Epidemiologia, Sorveglianza e Promozione della Salute, Istituto Superiore di Sanita', Roma, Italy.
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Meng X, Baylink DJ, Sheng M, Wang H, Gridley DS, Lau KHW, Zhang XB. Erythroid promoter confines FGF2 expression to the marrow after hematopoietic stem cell gene therapy and leads to enhanced endosteal bone formation. PLoS One 2012; 7:e37569. [PMID: 22629419 PMCID: PMC3356341 DOI: 10.1371/journal.pone.0037569] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Accepted: 04/20/2012] [Indexed: 11/19/2022] Open
Abstract
Fibroblast growth factor-2 (FGF2) has been demonstrated to be a promising osteogenic factor for treating osteoporosis. Our earlier study shows that transplantation of mouse Sca-1(+) hematopoietic stem/progenitor cells that are engineered to express a modified FGF2 leads to considerable endosteal/trabecular bone formation, but it also induces adverse effects like hypocalemia and osteomalacia. Here we report that the use of an erythroid specific promoter, β-globin, leads to a 5-fold decrease in the ratio of serum FGF2 to the FGF2 expression in the marrow cavity when compared to the use of a ubiquitous promoter spleen focus-forming virus (SFFV). The confined FGF2 expression promotes considerable trabeculae bone formation in endosteum and does not yield anemia and osteomalacia. The avoidance of anemia in the mice that received Sca1(+) cells transduced with FGF2 driven by the β-globin promoter is likely due to attenuation of high-level serum FGF2-mediated stem cell mobilization observed in the SFFV-FGF2 animals. The prevention of osteomalacia is associated with substantially reduced serum Fgf23/hypophosphatemia, and less pronounced secondary hyperparathyroidism. Our improved stem cell gene therapy strategy represents one step closer to FGF2-based clinical therapy for systemic skeletal augmentation.
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Affiliation(s)
- Xianmei Meng
- Division of Regenerative Medicine, Department of Medicine, Loma Linda University, Loma Linda, California, United States of America
| | - David J. Baylink
- Division of Regenerative Medicine, Department of Medicine, Loma Linda University, Loma Linda, California, United States of America
| | - Matilda Sheng
- Division of Regenerative Medicine, Department of Medicine, Loma Linda University, Loma Linda, California, United States of America
| | - Hongjie Wang
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, Washington, United States of America
| | - Daila S. Gridley
- Department of Radiation Medicine, Loma Linda University, Loma Linda, California, United States of America
| | - K.-H. William Lau
- Musculoskeletal Disease Center, Jerry L. Pettis Memorial VA Medical Center, Loma Linda, California, United States of America
| | - Xiao-Bing Zhang
- Division of Regenerative Medicine, Department of Medicine, Loma Linda University, Loma Linda, California, United States of America
- * E-mail:
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Polanovski OL, Lebedenko EN, Deyev SM. ERBB oncogene proteins as targets for monoclonal antibodies. BIOCHEMISTRY (MOSCOW) 2012; 77:227-45. [DOI: 10.1134/s0006297912030029] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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