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Yazdani F, Mottaghi-Dastjerdi N, Shahbazi B, Ahmadi K, Ghorbani A, Soltany-Rezaee-Rad M, Montazeri H, Khoshdel F, Guzzi PH. Identification of key genes and pathways involved in T-DM1-resistance in OE-19 esophageal cancer cells through bioinformatics analysis. Heliyon 2024; 10:e37451. [PMID: 39309859 PMCID: PMC11415672 DOI: 10.1016/j.heliyon.2024.e37451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 08/27/2024] [Accepted: 09/04/2024] [Indexed: 09/25/2024] Open
Abstract
Introduction Esophageal Cancer (EC) ranks among the most common malignancies worldwide. Most EC patients acquire drug resistance to chemotherapy either intrinsically or acquired after T-DM1 treatment, which shows that increasing or decreasing the expression of particular genes might influence chemotherapeutic sensitivity or resistance. Therefore, gaining a deeper understanding of the altered expression of genes involved in EC drug resistance and developing new therapeutic methods are essential targets for continued advancement in EC therapy. Methods The present study aimed to find critical regulatory genes/pathways in the progression of T-DM1 resistance in OE-19 EC cells. Expression datasets were extracted from GEO omnibus. Gene interactions were analyzed, and the protein-protein interaction network was drawn. Then, enrichment analysis of the hub genes and network cluster analysis of the hub genes was performed. Finally, the genes were screened in the DrugBank database as therapeutic targets and molecular docking analysis was done on the selected targets. Results In the current study, nine hub genes were identified in TDM-1-resistant EC cells (CTGF, CDH17, THBS1, CXCL8, NRP1, ITGB5, EDN1, FAT1, and PTGS2). The KEGG analysis highlighted the IL-17 signaling pathway and ECM-receptor interaction pathway as the most critical pathways; cluster analysis also showed the significance of these pathways. Therefore, the genes involved in these two pathways, including CXCL8, FSCN1, PTGS2, SERPINE2, LEF1, THBS1, CCN2, TAGLN, CDH11, and ITGA6, were searched in DrugBank as therapeutic targets. The DrugBank analysis suggests a potential role for Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) in reducing T-DM1 drug resistance in EC. The docking results revealed that NSAIDs, including Diclofenac, Mefenamic acid, Celecoxib, Naproxen, and Etoricoxib, significantly suppress resistant cancer cells. Conclusion This comprehensive bioinformatics analysis deeply explains the molecular mechanisms governing TDM-1 resistance in EC. The identified hub genes and their associated pathways offer potential targets for therapeutic interventions. Moreover, the possible role of NSAIDs in mitigating T-DM1 resistance presents an intriguing avenue for further investigation. This research contributes significantly to the field and establishes a basis for further research to enhance treatment efficacy for EC patients.
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Affiliation(s)
- Fateme Yazdani
- Department of Pharmacognosy and Pharmaceutical Biotechnology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Negar Mottaghi-Dastjerdi
- Department of Pharmacognosy and Pharmaceutical Biotechnology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Behzad Shahbazi
- School of Pharmacy, Semnan University of Medical Sciences, Semnan, Iran
| | - Khadijeh Ahmadi
- Infectious and Tropical Diseases Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Abozar Ghorbani
- Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute (NSTRI), Karaj, Iran
| | | | - Hamed Montazeri
- Department of Pharmacognosy and Pharmaceutical Biotechnology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Farzane Khoshdel
- Department of Pharmacognosy and Pharmaceutical Biotechnology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Pietro Hiram Guzzi
- Department of Surgical and Medical Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
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2
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Zong HF, Li X, Han L, Wang L, Liu JJ, Yue YL, Chen J, Ke Y, Jiang H, Xie YQ, Zhang BH, Zhu JW. A novel bispecific antibody drug conjugate targeting HER2 and HER3 with potent therapeutic efficacy against breast cancer. Acta Pharmacol Sin 2024; 45:1727-1739. [PMID: 38605180 PMCID: PMC11272928 DOI: 10.1038/s41401-024-01279-8] [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: 11/16/2023] [Accepted: 03/26/2024] [Indexed: 04/13/2024] Open
Abstract
Antibody drug conjugate (ADC) therapy has become one of the most promising approaches in cancer immunotherapy. Bispecific targeting could enhance the efficacy and safety of ADC by improving its specificity, affinity and internalization. In this study we constructed a HER2/HER3-targeting bispecific ADC (BsADC) and characterized its physiochemical properties, target specificity and internalization in vitro, and assessed its anti-tumor activities in breast cancer cell lines and in animal models. The HER2/HER3-targeting BsADC had a drug to antibody ratio (DAR) of 2.89, displayed a high selectivity against the target JIMT-1 breast cancer cells in vitro, as well as a slightly higher level of internalization than HER2- or HER3-monospecific ADCs. More importantly, the bispecific ADC potently inhibited the viability of MCF7, JIMT-1, BT474, BxPC-3 and SKOV-3 cancer cells in vitro. In JIMT-1 breast cancer xenograft mice, a single injection of bispecific ADC (3 mg/kg, i.v.) significantly inhibited the tumor growth with an efficacy comparable to that caused by combined injection of HER2 and HER3-monospecific ADCs (3 mg/kg for each). Our study demonstrates that the bispecific ADC concept can be applied to development of more potent new cancer therapeutics than the monospecific ADCs.
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Affiliation(s)
- Hui-Fang Zong
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
- Jecho Institute Co., Ltd., Shanghai, 200240, China
| | - Xi Li
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Lei Han
- Jecho Institute Co., Ltd., Shanghai, 200240, China
| | - Lei Wang
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Jun-Jun Liu
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Ya-Li Yue
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Jie Chen
- Jecho Institute Co., Ltd., Shanghai, 200240, China
| | - Yong Ke
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hua Jiang
- Jecho Laboratories, Inc., Frederick, MD, 21704, USA
| | - Yue-Qing Xie
- Jecho Institute Co., Ltd., Shanghai, 200240, China
- Jecho Laboratories, Inc., Frederick, MD, 21704, USA
| | - Bao-Hong Zhang
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Jian-Wei Zhu
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education; School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China.
- Jecho Institute Co., Ltd., Shanghai, 200240, China.
- Jecho Laboratories, Inc., Frederick, MD, 21704, USA.
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Mathiot L, Baldini C, Letissier O, Hollebecque A, Bahleda R, Gazzah A, Smolenschi C, Sakkal M, Danlos FX, Henon C, Beshiri K, Goldschmidt V, Parisi C, Patrikidou A, Michot JM, Marabelle A, Postel-Vinay S, Bernard-Tessier A, Loriot Y, Ponce S, Champiat S, Ouali K. Exploring the Role of Target Expression in Treatment Efficacy of Antibody-Drug Conjugates (ADCs) in Solid Cancers: A Comprehensive Review. Curr Oncol Rep 2024:10.1007/s11912-024-01576-9. [PMID: 39066847 DOI: 10.1007/s11912-024-01576-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2024] [Indexed: 07/30/2024]
Abstract
PURPOSE OF REVIEW Antibody-drug conjugates (ADCs) offer a promising path for cancer therapy, leveraging the specificity of monoclonal antibodies and the cytotoxicity of linked drugs. The success of ADCs hinges on precise targeting of cancer cells based on protein expression levels. This review explores the relationship between target protein expression and ADC efficacy in solid tumours, focusing on results of clinical trials conducted between January 2019 and May 2023. RECENT FINDINGS We hereby highlight approved ADCs, revealing their effectiveness even in low-expressing target populations. Assessing target expression poses challenges, owing to variations in scoring systems and biopsy types. Emerging methods, like digital image analysis, aim to standardize assessment. The complexity of ADC pharmacokinetics, tumour dynamics, and off-target effects emphasises the need for a balanced approach. This review underscores the importance of understanding target protein dynamics and promoting standardized evaluation methods in shaping the future of ADC-based cancer therapies.
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Affiliation(s)
- Laurent Mathiot
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Capucine Baldini
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Octave Letissier
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Antoine Hollebecque
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Rastislav Bahleda
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Anas Gazzah
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Cristina Smolenschi
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Madona Sakkal
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - François-Xavier Danlos
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
- Institut National de La Santé Et de La Recherche Médicale (INSERM) U1015, Villejuif, France
- Centre d'Investigations Cliniques Biothérapies Pour Une Immunisation in Situ (BIOTHERIS), INSERM, CIC1428, Villejuif, France
| | - Clémence Henon
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Kristi Beshiri
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Vincent Goldschmidt
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Claudia Parisi
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Anna Patrikidou
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Jean-Marie Michot
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Aurélien Marabelle
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Sophie Postel-Vinay
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | | | - Yohann Loriot
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
- Institut National de La Santé Et de La Recherche Médicale (INSERM) U981, Villejuif, France
| | - Santiago Ponce
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
| | - Stéphane Champiat
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France
- Institut National de La Santé Et de La Recherche Médicale (INSERM) U1015, Villejuif, France
- Centre d'Investigations Cliniques Biothérapies Pour Une Immunisation in Situ (BIOTHERIS), INSERM, CIC1428, Villejuif, France
| | - Kaïssa Ouali
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif Cedex, France.
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James C, Whitehead A, Plummer JT, Thompson R, Badal S. Failure to progress: breast and prostate cancer cell lines in developing targeted therapies. Cancer Metastasis Rev 2024:10.1007/s10555-024-10202-w. [PMID: 39060878 DOI: 10.1007/s10555-024-10202-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024]
Abstract
Developing anticancer drugs from preclinical to clinical takes approximately a decade in a cutting-edge biomedical lab and still 97% of most fail at clinical trials. Cell line usage is critical in expediting the advancement of anticancer therapies. Yet developing appropriate cell lines has been challenging and overcoming these obstacles whilst implementing a systematic approach of utilizing 3D models that recapitulate the tumour microenvironment is prudent. Using a robust and continuous supply of cell lines representing all ethnic groups from all locales is necessary to capture the evolving tumour landscape in culture. Next, the conversion of these models to systems on a chip that can by way of high throughput cytotoxic assays identify drug leads for clinical trials should fast-track drug development while markedly improving success rates. In this review, we describe the challenges that have hindered the progression of cell line models over seven decades and methods to overcome this. We outline the gaps in breast and prostate cancer cell line pathology and racial representation alongside their involvement in relevant drug development.
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Affiliation(s)
- Chelsi James
- Department of Basic Medical Sciences, Faculty of Medical Sciences Teaching and Research Complex, The University of the West Indies, Mona, West Indies, Jamaica
| | - Akeem Whitehead
- Department of Basic Medical Sciences, Faculty of Medical Sciences Teaching and Research Complex, The University of the West Indies, Mona, West Indies, Jamaica
| | | | - Rory Thompson
- Department of Pathology, The University of the West Indies, Mona, Jamaica
| | - Simone Badal
- Department of Basic Medical Sciences, Faculty of Medical Sciences Teaching and Research Complex, The University of the West Indies, Mona, West Indies, Jamaica.
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5
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Church SJ, Pulianmackal AJ, Dixon JA, Loftus LV, Amend SR, Pienta K, Cackowski FC, Buttitta LA. Oncogenic signaling in the adult Drosophila prostate-like accessory gland leads to activation of a conserved pro-tumorigenic program, in the absence of proliferation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.10.593549. [PMID: 38853988 PMCID: PMC11160766 DOI: 10.1101/2024.05.10.593549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Drosophila models for tumorigenesis and metastasis have revealed conserved mechanisms of signaling that are also involved in mammalian cancer. Many of these models use the proliferating tissues of the larval stages of Drosophila development, when tissues are highly mitotically active, or stem cells are abundant. Fewer Drosophila tumorigenesis models use adult animals to initiate tumor formation when many tissues are largely terminally differentiated and postmitotic. The Drosophila accessory glands are prostate-like tissues and a model for some aspects of prostate tumorigenesis using this tissue has been explored. In this model, oncogenic signaling was induced during the proliferative stage of accessory gland development, raising the question of how oncogenic activity would impact the terminally differentiated and postmitotic adult tissue. Here, we show that oncogenic signaling in the adult Drosophila accessory gland leads to activation of a conserved pro-tumorigenic program, similar to that observed in mitotic larval tissues, but in the absence of proliferation. Oncogenic signaling in the adult postmitotic gland leads to tissue hyperplasia with nuclear anaplasia and aneuploidy through endoreduplication, which increases polyploidy and occasionally results in non-mitotic neoplastic-like extrusions. We compare gene expression changes in our Drosophila model with that of endocycling prostate cancer cells induced by chemotherapy, which potentially mediate tumor recurrence after treatment. Similar signaling pathways are activated in the Drosophila gland and endocycling cancer cells, suggesting the adult accessory glands provide a useful model for aspects of prostate cancer progression that do not involve cellular proliferation.
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Affiliation(s)
- S. Jaimian Church
- Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI
| | - Ajai J. Pulianmackal
- Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI
| | - Joseph A. Dixon
- Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI
| | - Luke V. Loftus
- Cancer Ecology Center, The Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Sarah R. Amend
- Cancer Ecology Center, The Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Kenneth Pienta
- Cancer Ecology Center, The Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Frank C. Cackowski
- Karmanos Cancer Institute and Wayne State University Department of Oncology, Detroit, MI
| | - Laura A. Buttitta
- Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI
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6
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Major M, Nervig CS, Gerland A, Owen SC. Surface-Available HER2 Levels Alone Are Not Indicative of Cell Response to HER2-Targeted Antibody-Drug Conjugate Therapies. Pharmaceutics 2024; 16:752. [PMID: 38931874 PMCID: PMC11206718 DOI: 10.3390/pharmaceutics16060752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 05/25/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
HER2-targeting therapies have advanced breast cancer treatment over the past decade. Clinically, eligibility for HER2 therapies is determined by assessing HER2 levels on tumor cell surfaces through immunohistochemistry or by gene regulation through fluorescence in situ hybridization. HER2 therapies are not always effective in patients with elevated levels of HER2, questioning whether the amount of HER2 is sufficiently predictive of patient outcomes. Additionally, the HER2-targeting antibody-drug conjugate (ADC) Enhertu® was recently approved for metastasized HER2-low cancers, confirming the benefits of HER2 treatment for patients with low HER2 levels. To evaluate the correlation between HER2 levels and treatment efficacy, we quantified HER2 on eight cell lines using flow cytometry while simultaneously determining the toxicity of two HER2-targeting ADCs. Both HER2-high cell lines and HER2-low cell lines had significant toxicity responses to ADCs. We quantified HER2 internalization and found no correlation between HER2 levels and the percentage of internalization. We found a useful metric suggesting that a minimum number of HER2 receptors trafficked to lysosomes is sufficient to provide effective treatment. Our results indicate that the current standards of determining eligibility for HER2 therapy could limit patients' access to effective treatment. In conclusion, HER2 levels are not wholly adequate to determine the response to ADC treatment.
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Affiliation(s)
- Molly Major
- Department of Molecular Pharmaceutics, College of Pharmacy, University of Utah, 30 South 2000 East, Salt Lake City, UT 84112, USA
| | - Christine S. Nervig
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 30 South 2000 East, Salt Lake City, UT 84112, USA
| | - Annette Gerland
- Department of Molecular Pharmaceutics, College of Pharmacy, University of Utah, 30 South 2000 East, Salt Lake City, UT 84112, USA
| | - Shawn C. Owen
- Department of Molecular Pharmaceutics, College of Pharmacy, University of Utah, 30 South 2000 East, Salt Lake City, UT 84112, USA
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 30 South 2000 East, Salt Lake City, UT 84112, USA
- Department of Biomedical Engineering, College of Engineering, University of Utah, 36 S. Wasatch Drive, SMBB 3100, Salt Lake City, UT 84112, USA
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7
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Sakai K, Kato D, Yoshinaka J, Takahashi Y, Ikeda N, Aoki S, Iguchi T, Ishikawa S, Yamagishi N, Shimamura S, Nakagawa T. Effects of trastuzumab emtansine on canine urothelial carcinoma cells in vitro and in vivo. Vet Comp Oncol 2024; 22:230-238. [PMID: 38502572 DOI: 10.1111/vco.12970] [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: 12/08/2023] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 03/21/2024]
Abstract
Urothelial carcinoma (UC) is the most common malignancy of the urinary tract in dogs and has aggressive behaviour. Although human epidermal growth factor receptor 2 (HER2) is a known therapeutic target with evidence in canine UC, the efficacy of anti-HER2 antibody drugs remains unknown. This study aimed to investigate the effects of anti-HER2 antibody drugs including trastuzumab and trastuzumab emtansine (T-DM1) on canine UC cell lines in vitro and in vivo. Four canine UC cell lines (Nene, TCCUB, Love, and Sora) were used. In western blotting, HER2 protein expression was observed in all the cell lines. Although both trastuzumab and T-DM1 showed dose-dependent growth inhibitory activity in the cell lines, T-DM1 showed much stronger activity than that of trastuzumab. In flow cytometry analyses with the canine UC cell line (Sora), T-DM1 but not trastuzumab significantly increased the percentages of early and late apoptotic cells in annexin V apoptotic assays and the sub-G1 phase fraction in cell cycle analyses. For the in vivo experiment, the canine UC cells (Sora) were subcutaneously injected into nude mice. Four days after inoculation, trastuzumab, T-DM1, or vehicle was administered intraperitoneally once a week for three times. Tumour volumes were significantly smaller in the T-DM1 group compared to the trastuzumab and vehicle control groups. These findings indicate that T-DM1 exerts a stronger antitumour effect than that of trastuzumab on canine UC cells in vitro and in vivo, possibly by inducing apoptosis due to DM1.
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Affiliation(s)
- Kosei Sakai
- Laboratory of Small Animal Clinical Medicine, Graduate School of Veterinary Sciences, Osaka Metropolitan University, Osaka, Japan
| | - Daiki Kato
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Junka Yoshinaka
- Laboratory of Small Animal Clinical Medicine, Graduate School of Veterinary Sciences, Osaka Metropolitan University, Osaka, Japan
| | - Yosuke Takahashi
- Veterinary Medical Centre, The University of Tokyo, Tokyo, Japan
| | - Namiko Ikeda
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Susumu Aoki
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Takaaki Iguchi
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Shingo Ishikawa
- Laboratory of Large Animal Clinical Medicine, Graduate School of Veterinary Sciences, Osaka Metropolitan University, Osaka, Japan
| | - Norio Yamagishi
- Laboratory of Large Animal Clinical Medicine, Graduate School of Veterinary Sciences, Osaka Metropolitan University, Osaka, Japan
| | - Shunsuke Shimamura
- Laboratory of Small Animal Clinical Medicine, Graduate School of Veterinary Sciences, Osaka Metropolitan University, Osaka, Japan
| | - Takayuki Nakagawa
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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8
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Pourjamal N, Yazdi N, Halme A, Joncour VL, Laakkonen P, Saharinen P, Joensuu H, Barok M. Comparison of trastuzumab emtansine, trastuzumab deruxtecan, and disitamab vedotin in a multiresistant HER2-positive breast cancer lung metastasis model. Clin Exp Metastasis 2024; 41:91-102. [PMID: 38367127 PMCID: PMC10973002 DOI: 10.1007/s10585-024-10278-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 02/05/2024] [Indexed: 02/19/2024]
Abstract
Human epidermal growth factor 2 (HER2)-positive breast cancer with lung metastases resistant to targeted agents is a common therapeutic challenge. Absence of preclinical lung metastasis models that are resistant to multiple anti-HER2 targeted drugs hampers the development of novel therapies. We established a novel HER2-positive breast cancer cell line (L-JIMT-1) with a high propensity to form lung metastases from the parenteral JIMT-1 cell line by injecting JIMT-1 cells into immunodeficient SCID mice. Lung metastases developed in all mice injected with L-JIMT-1 cells, and more rapidly and in greater numbers compared with the parental JIMT-1 cells. L-JIMT-1 cells expressed more epidermal growth factor receptor and HER2 than JIMT-1 cells. L-JIMT-1 cells were resistant to all five tyrosine kinase inhibitors tested in vitro (afatinib, erlotinib, lapatinib, sapitinib, and tucatinib). When we compared JIMT-1 and L-JIMT-1 sensitivity to three HER2-targeting antibody-drug conjugates (ADCs) trastuzumab emtansine (T-DM1), trastuzumab deruxtecan (T-DXd), and disitamab vedotin (DV) in vitro, JIMT-1 cells were resistant T-DXd, partially sensitive to T-DM1, and sensitive to DV, while L-JIMT-1 cells were resistant to both T-DM1 and T-DXd, but moderately sensitive to DV. In a mouse model, all three ADCs inhibited the growth of L-JIMT-1 lung metastases compared to a vehicle, but DV and T-DXd more strongly than T-DM1, and DV treatment led to the smallest tumor burden. The L-JIMT breast cancer lung metastasis model developed may be useful in the evaluation of anti-cancer agents for multiresistant HER2-positive advanced breast cancer.
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Affiliation(s)
- Negar Pourjamal
- Helsinki University Hospital and University of Helsinki, Helsinki, Finland
- Laboratory of Molecular Oncology, University of Helsinki, Helsinki, Finland
| | - Narjes Yazdi
- Helsinki University Hospital and University of Helsinki, Helsinki, Finland
- Laboratory of Molecular Oncology, University of Helsinki, Helsinki, Finland
| | - Aleksi Halme
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Vadim Le Joncour
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Pirjo Laakkonen
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Neuroscience Center, Helsinki Institute of Life Sciences (HiLIFE), University of Helsinki, Helsinki, Finland
- Laboratory Animal Center, Helsinki Institute of Life Science (HiLIFE), University of Helsinki, Helsinki, Finland
| | - Pipsa Saharinen
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Wihuri Research Institute, University of Helsinki, Helsinki, Finland
| | - Heikki Joensuu
- Helsinki University Hospital and University of Helsinki, Helsinki, Finland
- Laboratory of Molecular Oncology, University of Helsinki, Helsinki, Finland
- Department of Oncology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Mark Barok
- Helsinki University Hospital and University of Helsinki, Helsinki, Finland.
- Laboratory of Molecular Oncology, University of Helsinki, Helsinki, Finland.
- Biomedicum Helsinki, Haartmaninkatu 8, Helsinki, 00290, Finland.
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9
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Ahad A, K. Saeed H, del Solar V, López-Hernández JE, Michel A, Mathew J, Lewis JS, Contel M. Shifting the Antibody-Drug Conjugate Paradigm: A Trastuzumab-Gold-Based Conjugate Demonstrates High Efficacy against Human Epidermal Growth Factor Receptor 2-Positive Breast Cancer Mouse Model. ACS Pharmacol Transl Sci 2023; 6:1972-1986. [PMID: 38093840 PMCID: PMC10714425 DOI: 10.1021/acsptsci.3c00270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 01/17/2024]
Abstract
Antibody-drug conjugates (ADCs) combine the selectivity of monoclonal antibodies (mAbs) with the efficacy of chemotherapeutics to target cancers without toxicity to normal tissue. Clinically, most chemotherapeutic ADCs are based on complex organic molecules, while the conjugation of metallodrugs to mAbs has been overlooked, despite the resurgent interest in metal-based drugs as cancer chemotherapeutics. In 2019, we described the first gold ADCs containing gold-triphenylphosphane fragments as a proof of concept. The ADCs (based on the antibody trastuzumab) were selective and highly active against HER2-positive breast cancer cells. In this study, we developed site-specific ADCs (Thio-1b and Thio-2b) using the cysteine-engineered trastuzumab derivative THIOMAB antibody technology with gold(I)-containing phosphanes and a maleimide-based linker amenable to bioconjugation (1b and 2b). In addition, we developed lysine-directed ADCs with gold payloads based on phosphanes and N-heterocyclic carbenes featuring an activated ester moiety (2c and 5c) with trastuzumab (Tras-2c and Tras-5c) and another anti-HER2 antibody, pertuzumab (Per-2c and Per-5c). Both sets of ADCs demonstrated significant anticancer potency in vitro assays. Based on these results, one ADC (Tras-2c), containing the [Au(PEt3)] fragment present in FDA-approved auranofin, was selected for an in vivo antitumor efficacy study. Immunocompromised mice xenografted with the HER2-positive human cancer cell line SKBR-3 exhibited almost complete tumor reduction and low toxicity with intravenous administration of Tras-2c. With this highly selective targeting system, we demonstrated that a subnanomolar cytotoxicity profile in cells is not required for an impressive antitumor effect in a mouse xenograft model.
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Affiliation(s)
- Afruja Ahad
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
- Biology
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10065, United States
| | - Hiwa K. Saeed
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
| | - Virginia del Solar
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
| | - Javier E. López-Hernández
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
- Biochemistry
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
| | - Alexa Michel
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10065, United States
| | - Joshua Mathew
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
| | - Jason S. Lewis
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10065, United States
- Molecular
Pharmacology Program, Memorial Sloan Kettering
Cancer Center, New York, New York 10065, United States
- Radiochemistry
and Molecular Imaging Probes Core, Memorial
Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Maria Contel
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
- Biology
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
- Chemistry
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
- Biochemistry
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
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10
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Atallah NM, Alsaleem M, Toss MS, Mongan NP, Rakha E. Differential response of HER2-positive breast cancer to anti-HER2 therapy based on HER2 protein expression level. Br J Cancer 2023; 129:1692-1705. [PMID: 37740038 PMCID: PMC10646129 DOI: 10.1038/s41416-023-02426-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 08/25/2023] [Accepted: 09/05/2023] [Indexed: 09/24/2023] Open
Abstract
BACKGROUND Increasing data indicate that HER2-positive (HER2 + ) breast cancer (BC) subtypes exhibit differential responses to targeted anti-HER2 therapy. This study aims to investigate these differences and the potential underlying molecular mechanisms. METHODS A large cohort of BC patients (n = 7390) was utilised. The clinicopathological characteristics and differential gene expression (DGE) of HER2+ immunohistochemical (IHC) subtypes, specifically HER2 IHC 3+ and IHC 2 + /Amplified, were assessed and correlated with pathological complete response (pCR) and survival in the neoadjuvant and adjuvant settings, respectively. The role of oestrogen receptor (ER) status was also investigated. RESULTS Compared to HER2 IHC 3+ tumours, BC patients with IHC 2 + /Amplified showed a significantly lower pCR rate (22% versus 57%, P < 0.001), shorter survival regardless of HER2 gene copy number, were less classified as HER2 enriched, and enriched for trastuzumab resistance and ER signalling pathway genes. ER positivity significantly decreased response to anti-HER2 therapy in IHC 2 + /Amplified, but not in IHC 3 + BC patients. CONCLUSION In HER2 + BC, overexpression of HER2 protein is the driver of the oncogenic pathway, and it is the main predictor of response to anti-HER2 therapy. ER signalling pathways are more dominant in BC with equivocal HER2 expression. personalised anti-HER2 therapy based on IHC classes should be considered.
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Affiliation(s)
- N M Atallah
- Division of Cancer and Stem Cells, School of Medicine, the University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK
- Department of Pathology, Faculty of Medicine, Menoufia University, Shibin el Kom, Egypt
| | - M Alsaleem
- Unit of Scientific Research, Applied College, Qassim University, Buraydah, Saudi Arabia
| | - M S Toss
- Histopathology Department, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - N P Mongan
- School of Veterinary Medicine and Sciences, University of Nottingham, Sutton Bonington, UK
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, 10065, USA
| | - E Rakha
- Division of Cancer and Stem Cells, School of Medicine, the University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK.
- Department of Pathology, Faculty of Medicine, Menoufia University, Shibin el Kom, Egypt.
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11
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Lim J, Rhee S, Choi H, Lee J, Kuttappan S, Yves Nguyen TT, Choi S, Kim Y, Jeon NL. Engineering choroid plexus-on-a-chip with oscillatory flow for modeling brain metastasis. Mater Today Bio 2023; 22:100773. [PMID: 37664794 PMCID: PMC10474164 DOI: 10.1016/j.mtbio.2023.100773] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/18/2023] [Accepted: 08/15/2023] [Indexed: 09/05/2023] Open
Abstract
The human brain choroid plexus (ChP) is a highly organized secretory tissue with a complex vascular system and epithelial layers in the ventricles of the brain. The ChP is the body's principal source of cerebrospinal fluid (CSF); it also functions as a barrier to separate the blood from CSF, because the movement of CSF through the body is pulsatile in nature. Thus far, it has been challenging to recreate the specialized features and dynamics of the ChP in a physiologically relevant microenvironment. In this study, we recapitulated the ChP structure by developing a microfluidic chip in accordance with established design rules. Furthermore, we used image processing and analysis to mimic CSF flow dynamics within a rlcking system; we also used a hydrogel containing laminin to mimic brain extracellular matrix (ECM). Human ChP cells were cultured in the ChP-on-a-chip with in vivo-like CSF dynamic flow and an engineered ECM. The key ChP characteristics of capillaries, the epithelial layer, and secreted components were recreated in the adjusted microenvironment of our human ChP-on-a-chip. The drug screening capabilities of the device were observed through physiologically relevant drug responses from breast cancer cells that had spread in the ChP. ChP immune responses were also recapitulated in this device, as demonstrated by the motility and cytotoxic effects of macrophages, which are the most prevalent immune cells in the ChP. Our human ChP-on-a-chip will facilitate the elucidation of ChP pathophysiology and support the development of therapeutics to treat cancers that have metastasized into the ChP.
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Affiliation(s)
- Jungeun Lim
- School of Mechanical Engineering, Seoul National University, Seoul, 08826, South Korea
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, North Ave NW, Atlanta, GA, 30332, USA
| | - Stephen Rhee
- School of Mechanical Engineering, Seoul National University, Seoul, 08826, South Korea
| | - Hyeri Choi
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul, 08826, South Korea
| | - Jungseub Lee
- School of Mechanical Engineering, Seoul National University, Seoul, 08826, South Korea
| | - Shruthy Kuttappan
- Institute of Advanced Machinery and Design, Seoul National University, Seoul, 08826, South Korea
| | - Tri Tho Yves Nguyen
- School of Mechanical Engineering, Seoul National University, Seoul, 08826, South Korea
| | - Sunbeen Choi
- School of Mechanical Engineering, Seoul National University, Seoul, 08826, South Korea
| | - YongTae Kim
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, North Ave NW, Atlanta, GA, 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Noo Li Jeon
- School of Mechanical Engineering, Seoul National University, Seoul, 08826, South Korea
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul, 08826, South Korea
- Institute of Advanced Machinery and Design, Seoul National University, Seoul, 08826, South Korea
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12
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Castro-Guijarro AC, Sanchez AM, Flamini MI. Potential Biomarkers Associated with Prognosis and Trastuzumab Response in HER2+ Breast Cancer. Cancers (Basel) 2023; 15:4374. [PMID: 37686651 PMCID: PMC10486824 DOI: 10.3390/cancers15174374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/16/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Breast cancer (BC) is the most common malignancy among women worldwide. Around 15-25% of BC overexpress the human epidermal growth factor receptor 2 (HER2), which is associated with a worse prognosis and shortened disease-free survival. Therefore, anti-HER2 therapies have been developed, such as monoclonal antibodies (trastuzumab, Tz), antibody-drug conjugates (ado-trastuzumab emtansine, T-DM1), and pharmacological inhibitors of tyrosine kinase activity (lapatinib, Lp). Although Tz, the standard treatment, has significantly improved the prognosis of patients, resistance still affects a significant population of women and is currently a major challenge in clinical oncology. Therefore, this study aims to identify potential biomarkers to predict disease progression (prognostic markers) and the efficacy of Tz treatment (predictive markers) in patients with HER2+ BC. We hypothesize that proteins involved in cell motility are implicated in Tz-resistance. We aim to identify alterations in Tz-resistant cells to guide more efficient oncologic decisions. By bioinformatics, we selected candidate proteins and determined how their expression, localization, and the process they modulate were affected by anti-HER2 treatments. Next, using HER2+ BC patients' data, we assessed these proteins as prognostic and predictive biomarkers. Finally, using Tz-resistant cells, we evaluated their roles in Tz response. We identified deregulated genes associated with cell motility in Tz/T-DM1-resistant vs. -sensitive cells. We showed that Tz, T-DM1, and Lp decrease cell viability, and their effect is enhanced in combinations. We determined synergism between Tz/T-DM1 and Lp, making possible a dose reduction of each drug to achieve the same therapeutic effect. We found that combinations (Tz/T-DM1 + Lp) efficiently inhibit cell adhesion and migration. Furthermore, we demonstrated the induction of FAK nuclear and cortactin peri-nuclear localization after T-DM1, Lp, and Tz/T-DM1 + Lp treatments. In parallel, we observed that combined treatments downregulate proteins essential for metastatic dissemination, such as SRC, FAK, and paxillin. We found that low vinculin (VCL) and cortactin (CTTN) mRNA expression predicts favorable survival rates and has diagnostic value to discriminate between Tz-sensible and Tz-resistant HER2+ BC patients. Finally, we confirmed that vinculin and cortactin are overexpressed in Tz-resistance cells, SKBR3-RTz. Moreover, we found that Tz plus FAK/paxillin/cortactin-silencing reduced cell adhesion/migration capacity in Tz-sensitive and -resistant cells. In conclusion, we demonstrate that combined therapies are encouraging since low doses of Tz/T-DM1 + Lp inhibit metastatic processes by downregulating critical protein expression and affecting its subcellular localization. We propose that vinculin and cortactin might contribute to Tz-sensibility/resistance in BC cells. Finally, we identify potential prognostic and predictive biomarkers that are promising for personalized BC management that would allow efficient patient selection in order to mitigate resistance and maximize the safety and efficacy of anti-HER2 therapies.
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Affiliation(s)
- Ana Carla Castro-Guijarro
- Laboratorio de Biología Tumoral, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, M5500 Mendoza, Argentina
- Laboratorio de Transducción de Señales y Movimiento Celular, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, M5500 Mendoza, Argentina
| | - Angel Matias Sanchez
- Laboratorio de Transducción de Señales y Movimiento Celular, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, M5500 Mendoza, Argentina
| | - Marina Inés Flamini
- Laboratorio de Biología Tumoral, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, M5500 Mendoza, Argentina
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13
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Montero JC, Del Carmen S, Abad M, Sayagués JM, Barbáchano A, Fernández-Barral A, Muñoz A, Pandiella A. An amino acid transporter subunit as an antibody-drug conjugate target in colorectal cancer. J Exp Clin Cancer Res 2023; 42:200. [PMID: 37559159 PMCID: PMC10410906 DOI: 10.1186/s13046-023-02784-0] [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: 03/10/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Advanced colorectal cancer (CRC) is difficult to treat. For that reason, the development of novel therapeutics is necessary. Here we describe a potentially actionable plasma membrane target, the amino acid transporter protein subunit CD98hc. METHODS Western blot and immunohistochemical analyses of CD98hc protein expression were carried out on paired normal and tumoral tissues from patients with CRC. Immunofluorescence and western studies were used to characterize the action of a DM1-based CD98hc-directed antibody-drug conjugate (ADC). MTT and Annexin V studies were performed to evaluate the effect of the anti-CD98hc-ADC on cell proliferation and apoptosis. CRISPR/Cas9 and shRNA were used to explore the specificity of the ADC. In vitro analyses of the antitumoral activity of the anti-CD98hc-ADC on 3D patient-derived normal as well as tumoral organoids were also carried out. Xenografted CRC cells and a PDX were used to analyze the antitumoral properties of the anti-CD98hc-ADC. RESULTS Genomic as well proteomic analyses of paired normal and tumoral samples showed that CD98hc expression was significantly higher in tumoral tissues as compared to levels of CD98hc present in the normal colonic tissue. In human CRC cell lines, an ADC that recognized the CD98hc ectodomain, reached the lysosomes and exerted potent antitumoral activity. The specificity of the CD98hc-directed ADC was demonstrated using CRC cells in which CD98hc was decreased by shRNA or deleted using CRISPR/Cas9. Studies in patient-derived organoids verified the antitumoral action of the anti-CD98hc-ADC, which largely spared normal tissue-derived colon organoids. In vivo studies using xenografted CRC cells or patient-derived xenografts confirmed the antitumoral activity of the anti-CD98hc-ADC. CONCLUSIONS The studies herewith reported indicate that CD98hc may represent a novel ADC target that, upon well-designed clinical trials, could be used to increase the therapeutic armamentarium against CRC.
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Affiliation(s)
- Juan Carlos Montero
- Institute of Biomedical Research of Salamanca (IBSAL), Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca), Salamanca, Spain.
- Department of Pathology and IBSAL, University Hospital of Salamanca, Salamanca, Spain.
- CIBERONC, Madrid, Spain.
| | - Sofía Del Carmen
- Department of Pathology and IBSAL, University Hospital of Salamanca, Salamanca, Spain
| | - Mar Abad
- Department of Pathology and IBSAL, University Hospital of Salamanca, Salamanca, Spain
| | - José M Sayagués
- Department of Pathology and IBSAL, University Hospital of Salamanca, Salamanca, Spain
- CIBERONC, Madrid, Spain
| | - Antonio Barbáchano
- CIBERONC, Madrid, Spain
- Instituto de Investigaciones Biomédicas 'Alberto Sols', CSIC-Autonomous University of Madrid, and Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain
| | - Asunción Fernández-Barral
- CIBERONC, Madrid, Spain
- Instituto de Investigaciones Biomédicas 'Alberto Sols', CSIC-Autonomous University of Madrid, and Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain
| | - Alberto Muñoz
- CIBERONC, Madrid, Spain
- Instituto de Investigaciones Biomédicas 'Alberto Sols', CSIC-Autonomous University of Madrid, and Instituto de Investigación Sanitaria del Hospital Universitario La Paz, Madrid, Spain
| | - Atanasio Pandiella
- Institute of Biomedical Research of Salamanca (IBSAL), Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca), Salamanca, Spain.
- CIBERONC, Madrid, Spain.
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14
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Biskup E, Sartorius CM, Müller A, Leo C, Nussbaum CU, Georgescu Margarint EL, Koychev D, Schreiber A, Taverna C, Thorn D, Vetter M. Pertuzumab as second‑ or later‑line therapy for human epidermal growth factor receptor 2‑positive metastatic breast cancer: A clinical experience. Mol Clin Oncol 2023; 19:52. [PMID: 37303973 PMCID: PMC10251341 DOI: 10.3892/mco.2023.2648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 03/27/2023] [Indexed: 06/13/2023] Open
Abstract
Trastuzumab and pertuzumab with taxane-based chemotherapy are considered the first-line standard therapy for human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (mBC). Pertuzumab is also a later-line therapy for mBC in Switzerland, although limited safety and efficacy data are available. The present study assessed the therapeutic regimens, toxicities and clinical outcomes after second- or later-line pertuzumab therapy in patients with mBC who did not receive pertuzumab as a first-line therapy. Physicians from nine major Swiss oncology centers retrospectively completed a questionnaire for each pertuzumab-naive patient who was treated with pertuzumab as a second- or later-line therapy. Of 35 patients with HER2-positive mBC (median age, 49 years; range, 35-87 years), 14 received pertuzumab as a second-line therapy, 6 as a third-line therapy, and 15 as a fourth- or later-line therapy. A total of 20 patients (57%) died during the study period. The median overall survival was 74.2 months (95% confidence interval, 47.6-139.8 months). Grade (G) 3/4 adverse events (AEs) were reported in 14% of patients, with only 1 patient discontinuing therapy due to pertuzumab-related toxicities. The most common AE was fatigue (overall, 46%; G3, 11%). Overall, congestive heart disease occurred in 14% of patients (G3, 6%), nausea in 14% of patients (all G1), and myelosuppression in 12% of patients (G3, 6%). In conclusion, the median overall survival of patients who underwent second- or later-line pertuzumab treatment was similar to that reported for patients who underwent first-line pertuzumab treatment, and the safety profile was acceptable. These data support the use of pertuzumab for second- or later-line therapy when it was not administered as first-line therapy.
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Affiliation(s)
- Ewelina Biskup
- Department of Basic and Clinical Medicine, Shanghai University of Medicine and Health Sciences, Shanghai 201318, P.R. China
- Department of Advanced Biomedical Sciences, Federico II University of Naples, I-80131 Naples, Italy
- Department of Medical Oncology and Breast Cancer Center, University Hospital Basel, Spitalstrasse 21, 4031 Basel, Switzerland
| | - Céline Montavon Sartorius
- Department of Medical Oncology and Breast Cancer Center, University Hospital Basel, Spitalstrasse 21, 4031 Basel, Switzerland
| | - Andreas Müller
- Canton Hospital Winterthur (Med. Oncology), 8400 Winterthur, Switzerland
| | - Cornelia Leo
- Department of Gynecology, Canton Hospital Baden, 5404 Baden, Switzerland
| | | | | | | | | | | | - David Thorn
- Oncology Private Practice Basel, Department of Medical Oncology, University Hospital Basel, 4052 Basel, Switzerland
| | - Marcus Vetter
- Medical University Clinic, Canton Hospital Baselland, University of Basel, 4410 Liestal, Switzerland
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15
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Ma L, Li C, Yin H, Huang J, Yu S, Zhao J, Tang Y, Yu M, Lin J, Ding L, Cui Q. The Mechanism of DNA Methylation and miRNA in Breast Cancer. Int J Mol Sci 2023; 24:9360. [PMID: 37298314 PMCID: PMC10253858 DOI: 10.3390/ijms24119360] [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: 04/07/2023] [Revised: 05/17/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
Breast cancer is the most prevalent cancer in the world. Currently, the main treatments for breast cancer are radiotherapy, chemotherapy, targeted therapy and surgery. The treatment measures for breast cancer depend on the molecular subtype. Thus, the exploration of the underlying molecular mechanisms and therapeutic targets for breast cancer remains a hotspot in research. In breast cancer, a high level of expression of DNMTs is highly correlated with poor prognosis, that is, the abnormal methylation of tumor suppressor genes usually promotes tumorigenesis and progression. MiRNAs, as non-coding RNAs, have been identified to play key roles in breast cancer. The aberrant methylation of miRNAs could lead to drug resistance during the aforementioned treatment. Therefore, the regulation of miRNA methylation might serve as a therapeutic target in breast cancer. In this paper, we reviewed studies on the regulatory mechanisms of miRNA and DNA methylation in breast cancer from the last decade, focusing on the promoter region of tumor suppressor miRNAs methylated by DNMTs and the highly expressed oncogenic miRNAs inhibited by DNMTs or activating TETs.
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Affiliation(s)
- Lingyuan Ma
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Chenyu Li
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Hanlin Yin
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Jiashu Huang
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Shenghao Yu
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Jin Zhao
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Yongxu Tang
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Min Yu
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Jie Lin
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Lei Ding
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Qinghua Cui
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China; (L.M.); (C.L.); (H.Y.); (J.H.); (S.Y.); (J.Z.); (Y.T.); (M.Y.); (J.L.)
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
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Yumoto K, Rashid J, Ibrahim KG, Zielske SP, Wang Y, Omi M, Decker AM, Jung Y, Sun D, Remmer HA, Mishina Y, Buttitta LA, Taichman RS, Cackowski FC. HER2 as a potential therapeutic target on quiescent prostate cancer cells. Transl Oncol 2023; 31:101642. [PMID: 36805918 PMCID: PMC9971552 DOI: 10.1016/j.tranon.2023.101642] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 01/18/2023] [Accepted: 02/11/2023] [Indexed: 02/22/2023] Open
Abstract
Quiescent prostate cancer (PCa) cells are common in tumors but are often resistant to chemotherapy. Quiescent PCa cells are also enriched for a stem-like tumor initiating population, and can lead to recurrence after dormancy. Unfortunately, quiescent PCa cells are difficult to identify and / or target with treatment in part because the relevant markers are intracellular and regulated by protein stability. We addressed this problem by utilizing PCa cells expressing fluorescent markers for CDKN1B (p27) and CDT1, which can separate viable PCa cells into G0, G1, or combined S/G2/M populations. We used FACS to collect G1 and G0 PC3 PCa cells, isolated membrane proteins, and analyzed protein abundance in G0 vs G1 cells by gas chromatography mass spectrometry. Enrichment analysis identified nucleocytoplasmic transport as the most significantly different pathway. To identify cell surface proteins potentially identifying quiescent PCa cells for future patient samples or for antibody based therapeutic research, we focused on differentially abundant plasma membrane proteins, and identified ERBB2 (HER2) as a cell surface protein enriched on G0 PCa cells. High HER2 on the cell membrane is associated with quiescence in PCa cells and likely induced by the bone microenvironment. Using a drug conjugated anti-HER2 antibody (trastuzumab emtansine) in a mouse PCa xenograft model delayed metastatic tumor growth, suggesting approaches that target HER2-high cells may be beneficial in treating PCa. We propose that HER2 is deserving of further study in PCa as a target on quiescent cells to prevent recurrence, decrease chemotherapy resistance, or eradicate minimal residual disease.
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Affiliation(s)
- Kenji Yumoto
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Jibraan Rashid
- Michigan State University College of Human Medicine, East Lansing, MI 48824, USA; Wayne State University School of Medicine and Karmanos Cancer Institute Department of Oncology, Detroit, MI 48201, USA
| | - Kristina G Ibrahim
- Wayne State University School of Medicine and Karmanos Cancer Institute Department of Oncology, Detroit, MI 48201, USA
| | - Steven P Zielske
- Wayne State University School of Medicine and Karmanos Cancer Institute Department of Oncology, Detroit, MI 48201, USA
| | - Yu Wang
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Maiko Omi
- Department of Biological and Materials Sciences, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Ann M Decker
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Younghun Jung
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Dan Sun
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Henriette A Remmer
- Proteomics & Peptide Synthesis Core, Biomedical Research Core Facilities, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Yuji Mishina
- Department of Biological and Materials Sciences, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Laura A Buttitta
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Russell S Taichman
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; Department of Periodontics, University of Alabama at Birmingham School of Dentistry, Birmingham, AL 35233, USA
| | - Frank C Cackowski
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; Department of Internal Medicine, Division of Hematology and Oncology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA; Wayne State University School of Medicine and Karmanos Cancer Institute Department of Oncology, Detroit, MI 48201, USA.
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17
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Trifănescu OG, Mitrea D, Galeș LN, Ciornei A, Păun MA, Butnariu I, Trifănescu RA, Motaș N, Toma RV, Bîlteanu L, Gherghe M, Anghel RM. Therapies beyond Physiological Barriers and Drug Resistance: A Pilot Study and Review of the Literature Investigating If Intrathecal Trastuzumab and New Treatment Options Can Improve Oncologic Outcomes in Leptomeningeal Metastases from HER2-Positive Breast Cancer. Cancers (Basel) 2023; 15:2508. [PMID: 37173973 PMCID: PMC10177464 DOI: 10.3390/cancers15092508] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/26/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023] Open
Abstract
Leptomeningeal metastases (LM) are a rare but rapidly fatal complication defined by the spread of tumor cells within the leptomeninges and the subarachnoid space, found in approximately 10% of patients with HER2-positive breast cancers. This pilot study evaluated the efficacy of local treatment with intrathecal Trastuzumab (IT) added to systemic treatment. The oncologic outcome of 14 patients with HER2-positive LM is reported. Seven received IT, and seven received standard of care (SOC). The mean number of IT cycles administered was 12.14 ± 4.00. The response rate to CNS after IT treatment + SOC was 71.4%, and three patients (42.8%) obtained durable responses lasting more than 12 months. The median progression-free survival (mPFS) after LM diagnosis was six months, and the median overall survival (mOS) was ten months. The mean values of the PFS in favor of IT therapy (10.6 mo vs. 6.6 mo) and OS (13.7 vs. 9.3 mo) suggest a non-negligible investigation direction in the sense of exploiting intrathecal administration as a possible treatment modality in these patients. Adverse events reported were local pain related to intrathecal administration and one case of arachnoiditis, hematoma, and CSF fistulae. Intrathecal administration of Trastuzumab, alongside systemic treatment and radiotherapy, might improve oncologic outcomes in LM HER2-positive breast cancer with manageable toxicity.
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Affiliation(s)
- Oana Gabriela Trifănescu
- Department of Oncology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Radiotherapy II, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania
| | - Dan Mitrea
- Department of Radiotherapy II, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania
- Neuroaxis Neurology Clinic, 011302 Bucharest, Romania
| | - Laurenția Nicoleta Galeș
- Department of Oncology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Medical Oncology II, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania
| | - Ana Ciornei
- Department of Radiotherapy II, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania
| | - Mihai-Andrei Păun
- Department of Radiotherapy II, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania
| | - Ioana Butnariu
- Department of Neurology, National Institute of Neurology and Neurovascular Diseases, 041914 Bucharest, Romania
| | - Raluca Alexandra Trifănescu
- Discipline of Endocrinology, “Carol Davila” University of Medicine and Pharmacy, 011863 Bucharest, Romania
- “C. I. Parhon” Institute of Endocrinology, 020021 Bucharest, Romania
| | - Natalia Motaș
- Department of Thoracic Surgery, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 020021 Bucharest, Romania
| | - Radu Valeriu Toma
- Department of Oncology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Radiotherapy I, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania;
| | - Liviu Bîlteanu
- Department of Radiotherapy I, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania;
| | - Mirela Gherghe
- Department of Nuclear Medicine, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania
| | - Rodica Maricela Anghel
- Department of Oncology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Radiotherapy II, “Prof. Dr. Al. Trestioreanu” Institute of Oncology, 022328 Bucharest, Romania
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18
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Jin Y, Tomeh MA, Zhang P, Su M, Zhao X, Cai Z. Microfluidic fabrication of photo-responsive Ansamitocin P-3 loaded liposomes for the treatment of breast cancer. NANOSCALE 2023; 15:3780-3795. [PMID: 36723377 DOI: 10.1039/d2nr06215a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Ansamitocin P-3 (AP-3) is a promising anticancer agent. However, its low solubility has limited its biomedical applications. The preparation of liposomal formulations for the delivery of low solubility drugs using the microfluidic platform has attracted increasing attention in the pharmaceutical industry. In addition, photodynamic therapy (PDT) is a non-invasive and efficient strategy for the treatment of cancers, making photodynamic liposomes one of the most promising drug delivery systems (DDSs). In this study, a recently developed microfluidic device (swirl mixer) was used for the manufacturing of temperature-sensitive liposomes (TSL) that can be activated by near-infrared stimulation for the treatment of breast cancer. Changing the processing parameters of the microfluidic system allowed for optimizing the properties of the produced liposomes (e.g., particle size and size distribution). For the first time, the anticancer drug AP-3 and the photosensitizer indocyanine green (ICG) were encapsulated into TSL (AP-3/ICG@TSL) during microfluidic processing. The results show that AP-3/ICG@TSL are biocompatible and can significantly reduce the toxicity of AP-3 to normal tissues. After infrared laser irradiation, the heat generated from ICG not only resulted in the cancer cell toxicity, but also facilitated the release of AP-3 in tumor cells. AP-3/ICG@TSL with infrared laser irradiation was found to be able to significantly inhibit the growth of MCF-7 multicellular tumor spheroids (MCTSs) in vitro and MCF-7 tumors subcutaneously inoculated in nude mice as an in vivo model. In addition, it also showed no signs of damage to other organs. The current results demonstrated that the AP-3/ICG@TSL fabricated using the microfluidic swirl mixer is a promising DDS for breast cancer therapy.
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Affiliation(s)
- Yi Jin
- School of Pharmacy, Changzhou University, Changzhou 213164, China.
- Department of Pharmacy, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213000, China
| | - Mhd Anas Tomeh
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK
| | - Peng Zhang
- School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China
| | - Mingzhu Su
- Department of Pharmacy, Wujin Hospital Affiliated with Jiangsu University, Changzhou 213000, China
| | - Xiubo Zhao
- School of Pharmacy, Changzhou University, Changzhou 213164, China.
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK
| | - Zhiqiang Cai
- School of Pharmacy, Changzhou University, Changzhou 213164, China.
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Guidi L, Pellizzari G, Tarantino P, Valenza C, Curigliano G. Resistance to Antibody-Drug Conjugates Targeting HER2 in Breast Cancer: Molecular Landscape and Future Challenges. Cancers (Basel) 2023; 15:1130. [PMID: 36831473 PMCID: PMC9954056 DOI: 10.3390/cancers15041130] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
The treatment of HER2-positive metastatic breast cancer (mBC) with Trastuzumab emtansine (T-DM1) and Trastuzumab deruxtecan (T-DXd), two antibody-drug conjugates (ADCs) targeting HER2, is burdened by progression of disease related to the acquisition of mechanisms of resistance. Resistance to T-DM1 is caused by the decrease of HER2 expression, the alteration of intracellular trafficking, the impairment of lysosome functions, the drug expulsion through efflux pumps and the activation of alternative signal pathways. Instead, the decrease of HER2 expression and SLX4 loss of function mutations represent the first evidences of mechanisms of resistance to T-DXd, according to the results of DAISY trial. Several strategies are under evaluation to overcome resistances to anti-HER2 ADCs and improve clinical outcomes in patients progressing on these agents: combinations with tyrosine kinase inhibitors, statins, immune checkpoint inhibitors and synthetic DNA-damaging agents are emerging as promising approaches. Furthermore, novel anti-HER2 ADCs with innovative structures and mechanisms of action are in development, in the attempt to further improve the activity and tolerability of currently available agents.
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Affiliation(s)
- Lorenzo Guidi
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Haemato-Oncology, University of Milan, 20122 Milan, Italy
| | - Gloria Pellizzari
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Haemato-Oncology, University of Milan, 20122 Milan, Italy
| | - Paolo Tarantino
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Haemato-Oncology, University of Milan, 20122 Milan, Italy
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Breast Oncology Program, Harvard Medical School, Boston, MA 02215, USA
| | - Carmine Valenza
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Haemato-Oncology, University of Milan, 20122 Milan, Italy
| | - Giuseppe Curigliano
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Haemato-Oncology, University of Milan, 20122 Milan, Italy
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20
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Chen N, Michaels E, Howard F, Nanda R. The evolving therapeutic landscape of antibody-drug conjugates in breast cancer. Expert Rev Anticancer Ther 2022; 22:1325-1331. [PMID: 36408586 PMCID: PMC9833603 DOI: 10.1080/14737140.2022.2147510] [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: 09/09/2022] [Accepted: 11/10/2022] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Antibody-drug conjugates (ADCs) are a relatively new class of anti-cancer therapies approved for a number of malignancies, including breast cancer. Their unique structure, consisting of a monoclonal antibody connected via a linker to a toxic payload, combines characteristics of both targeted therapy and chemotherapy. AREAS COVERED In this review, we discuss the unique molecular structure and pharmacologic principles of ADCs and present the clinical efficacy and relevant toxicities of ADCs both approved and in development. While HER2 is the most studied target with approved agents for both HER2-positive and HER2-low expressing tumors, novel targets in HER2-negative disease have expanded our therapeutic capabilities significantly. EXPERT OPINION ADCs are a promising, novel drug class with significant efficacy in all breast cancer subtypes. They are generally safe and well-tolerated. However, further research is necessary to improve their therapeutic potential. The development of predictive biomarkers to identify patients with greatest benefit, improved understanding of drug resistance to advance combination therapies, and novel targets are needed to further the field.
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Affiliation(s)
- Nan Chen
- Department of Internal Medicine, University of Chicago
| | | | | | - Rita Nanda
- Department of Internal Medicine, University of Chicago
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21
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The Molecular and Cellular Strategies of Glioblastoma and Non-Small-Cell Lung Cancer Cells Conferring Radioresistance. Int J Mol Sci 2022; 23:ijms232113577. [PMID: 36362359 PMCID: PMC9656305 DOI: 10.3390/ijms232113577] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Ionizing radiation (IR) has been shown to play a crucial role in the treatment of glioblastoma (GBM; grade IV) and non-small-cell lung cancer (NSCLC). Nevertheless, recent studies have indicated that radiotherapy can offer only palliation owing to the radioresistance of GBM and NSCLC. Therefore, delineating the major radioresistance mechanisms may provide novel therapeutic approaches to sensitize these diseases to IR and improve patient outcomes. This review provides insights into the molecular and cellular mechanisms underlying GBM and NSCLC radioresistance, where it sheds light on the role played by cancer stem cells (CSCs), as well as discusses comprehensively how the cellular dormancy/non-proliferating state and polyploidy impact on their survival and relapse post-IR exposure.
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22
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Liu K, Li YH, Zhang X, Su L, Li JH, Shi HY, Zhang JH. Incidence and risk of severe adverse events associated with trastuzumab emtansine (T-DM1) in the treatment of breast cancer: an up-to-date systematic review and meta-analysis of randomized controlled clinical trials. Expert Rev Clin Pharmacol 2022; 15:1343-1350. [PMID: 36062413 DOI: 10.1080/17512433.2022.2121704] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND T-DM1 has proved its value and effectiveness for the treatment of HER2-positive breast cancer. However, there are clinical concerns regarding T-DM1 induced severe adverse events (AEs). We performed an up-to-date meta-analysis to quantify the overall incidence and risk of severe AEs associated with T-DM1 in patients with breast cancer. METHODS Pubmed, Embase and oncology conference proceedings were searched for relevant studies. Data were extracted to calculate the summary incidence rate and relative risk (RR) of grade ≥3 AEs. RESULTS A total of 5,045 patients from 7 RCTs were included in the meta-analysis. The use of T-DM1 was associated with an increased risk of severe thrombocytopenia (RR 10.66, 95% CI 3.23-35.18, P<0.001), anemia (RR 1.68, 95% CI 1.15-2.44, P= 0.007), elevated ALT (RR 2.67, 95% CI 1.60-4.47, P<0.001) and AST (RR 3.76, 95% CI 1.45-9.78, P=0.007). In addition, the use of T-DM1 can increase the risk of severe hypertension (RR 1.59, 95% CI 1.03-2.45, P=0.037) and peripheral sensory neuropathy (RR 8.13, 95% CI 1.89-35.03, P= 0.005). CONCLUSIONS Treatment with T-DM1 increases the risk of severe hematologic toxicities, hepatotoxicity, hypertension and peripheral sensory neuropathy in patients with breast cancer, while the overall incidence of these AEs is low.
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Affiliation(s)
- Kuan Liu
- Department of Radiotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Yan-Hong Li
- Department of Radiotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Xi Zhang
- Department of Radiotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Lei Su
- Department of Radiotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Jing-Hua Li
- Department of Hepatobiliary Surgery, Affiliated Hospital of Hebei University, Baoding, 071000, People's Republic of China
| | - Hong-Yun Shi
- Department of Radiotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Jun-Hua Zhang
- Department of Breast Surgery, Affiliated Hospital of Hebei University, Baoding 071000, China
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23
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Fuso P, Muratore M, D’Angelo T, Paris I, Carbognin L, Tiberi G, Pavese F, Duranti S, Orlandi A, Tortora G, Scambia G, Fabi A. PI3K Inhibitors in Advanced Breast Cancer: The Past, The Present, New Challenges and Future Perspectives. Cancers (Basel) 2022; 14:2161. [PMID: 35565291 PMCID: PMC9103982 DOI: 10.3390/cancers14092161] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 12/24/2022] Open
Abstract
Breast cancer is the leading cause of death in the female population and despite significant efforts made in diagnostic approaches and treatment strategies adopted for advanced breast cancer, the disease still remains incurable. Therefore, development of more effective systemic treatments constitutes a crucial need. Recently, several clinical trials were performed to find innovative predictive biomarkers and to improve the outcome of metastatic breast cancer through innovative therapeutic algorithms. In the pathogenesis of breast cancer, the phosphatidylinositol 3-kinase (PI3K)-protein kinase B (PKB/AKT)-mammalian target of rapamycin (mTOR) axis is a key regulator of cell proliferation, growth, survival, metabolism, and motility, making it an interest and therapeutic target. Nevertheless, the PI3K/AKT/mTOR cascade includes a complex network of biological events, needing more sophisticated approaches for their use in cancer treatment. In this review, we described the rationale for targeting the PI3K pathway, the development of PI3K inhibitors and the future treatment directions of different breast cancer subtypes in the metastatic setting.
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Affiliation(s)
- Paola Fuso
- Department of Woman and Child Health and Public Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.M.); (I.P.); (L.C.); (G.T.); (F.P.); (G.S.)
| | - Margherita Muratore
- Department of Woman and Child Health and Public Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.M.); (I.P.); (L.C.); (G.T.); (F.P.); (G.S.)
| | - Tatiana D’Angelo
- Comprehensive Cancer Center, Unit of Medical Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (T.D.); (A.O.); (G.T.)
| | - Ida Paris
- Department of Woman and Child Health and Public Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.M.); (I.P.); (L.C.); (G.T.); (F.P.); (G.S.)
| | - Luisa Carbognin
- Department of Woman and Child Health and Public Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.M.); (I.P.); (L.C.); (G.T.); (F.P.); (G.S.)
| | - Giordana Tiberi
- Department of Woman and Child Health and Public Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.M.); (I.P.); (L.C.); (G.T.); (F.P.); (G.S.)
| | - Francesco Pavese
- Department of Woman and Child Health and Public Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.M.); (I.P.); (L.C.); (G.T.); (F.P.); (G.S.)
| | - Simona Duranti
- Scientific Directorate, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy;
| | - Armando Orlandi
- Comprehensive Cancer Center, Unit of Medical Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (T.D.); (A.O.); (G.T.)
| | - Giampaolo Tortora
- Comprehensive Cancer Center, Unit of Medical Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (T.D.); (A.O.); (G.T.)
- Medical Oncology, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Giovanni Scambia
- Department of Woman and Child Health and Public Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (M.M.); (I.P.); (L.C.); (G.T.); (F.P.); (G.S.)
- Scientific Directorate, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy;
- Istituto di Ginecologia e Ostetricia, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Alessandra Fabi
- Precision Medicine in Breast Cancer Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy;
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24
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Montero JC, Calvo-Jiménez E, Del Carmen S, Abad M, Ocaña A, Pandiella A. Surfaceome analyses uncover CD98hc as an antibody drug-conjugate target in triple negative breast cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2022; 41:106. [PMID: 35317825 PMCID: PMC8941813 DOI: 10.1186/s13046-022-02330-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 03/12/2022] [Indexed: 11/10/2022]
Abstract
Background Despite the incorporation of novel therapeutics, advanced triple negative breast cancer (TNBC) still represents a relevant clinical problem. Considering this, as well as the clinical efficacy of antibody-drug conjugates (ADCs), we aimed at identifying novel ADC targets that could be used to treat TNBC. Methods Transcriptomic analyses were performed on TNBC and normal samples from three different studies. Plasma membrane proteins of three cell lines representative of the TNBC subtype were identified by cell surface biotinylation or plasma membrane isolation, followed by analyses of cell surface proteins using the Surfaceome online tool. Immunofluorescence and western studies were used to characterize the action of a CD98hc-directed ADC, which was prepared by in house coupling of emtansine to an antibody that recognized the ectodomain of CD98hc. Xenografted TNBC cells were used to analyze the antitumoral properties of the anti-CD98hc ADC. Results Comparative genomic studies between normal breast and TNBC tissues, together with proteomic and bioinformatic analyses resulted in the elaboration of a catalog of potential ADC targets. One of them, the CD98hc transmembrane protein, was validated as an ADC target. An antibody recognizing the ectodomain of CD98hc efficiently internalized and reached the lysosomal compartment. An emtansine-based ADC derived from such antibody was prepared and showed antitumoral properties in TNBC in vitro and in vivo models. Mechanistically, the anti-CD98hc ADC blocked cell cycle progression, that was followed by cell death caused by mitotic catastrophe. Conclusions This work describes a list of potential ADC targets in TNBC and validates one of them, the transmembrane protein CD98hc. The studies presented here also demonstrate the robustness of the multiomic approach herewith described to identify novel potential ADC targets. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-022-02330-4.
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Affiliation(s)
- Juan Carlos Montero
- Institute of Biomedical Research of Salamanca (IBSAL), Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca) and CIBERONC, Salamanca, Spain. .,Department of Pathology and IBSAL, University Hospital of Salamanca, University of Salamanca, 37007, Salamanca, Spain.
| | - Elisa Calvo-Jiménez
- Institute of Biomedical Research of Salamanca (IBSAL), Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca) and CIBERONC, Salamanca, Spain
| | - Sofía Del Carmen
- Department of Pathology and IBSAL, University Hospital of Salamanca, University of Salamanca, 37007, Salamanca, Spain
| | - Mar Abad
- Department of Pathology and IBSAL, University Hospital of Salamanca, University of Salamanca, 37007, Salamanca, Spain
| | | | - Atanasio Pandiella
- Institute of Biomedical Research of Salamanca (IBSAL), Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca) and CIBERONC, Salamanca, Spain
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Rubino S, Oliver DE, Tran ND, Vogelbaum MA, Forsyth PA, Yu HHM, Ahmed K, Etame AB. Improving Brain Metastases Outcomes Through Therapeutic Synergy Between Stereotactic Radiosurgery and Targeted Cancer Therapies. Front Oncol 2022; 12:854402. [PMID: 35311078 PMCID: PMC8924127 DOI: 10.3389/fonc.2022.854402] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/07/2022] [Indexed: 12/12/2022] Open
Abstract
Brain metastases are the most common form of brain cancer. Increasing knowledge of primary tumor biology, actionable molecular targets and continued improvements in systemic and radiotherapy regimens have helped improve survival but necessitate multidisciplinary collaboration between neurosurgical, medical and radiation oncologists. In this review, we will discuss the advances of targeted therapies to date and discuss findings of studies investigating the synergy between these therapies and stereotactic radiosurgery for non-small cell lung cancer, breast cancer, melanoma, and renal cell carcinoma brain metastases.
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Affiliation(s)
- Sebastian Rubino
- Department of Neuro-Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | - Daniel E. Oliver
- Department of Radiation Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | - Nam D. Tran
- Department of Neuro-Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | | | - Peter A. Forsyth
- Department of Neuro-Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | | | - Kamran Ahmed
- Department of Radiation Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | - Arnold B. Etame
- Department of Neuro-Oncology, Moffitt Cancer Center, Tampa, FL, United States
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Díaz-Rodríguez E, Gandullo-Sánchez L, Ocaña A, Pandiella A. Novel ADCs and Strategies to Overcome Resistance to Anti-HER2 ADCs. Cancers (Basel) 2021; 14:154. [PMID: 35008318 PMCID: PMC8750930 DOI: 10.3390/cancers14010154] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 12/27/2021] [Accepted: 12/27/2021] [Indexed: 12/23/2022] Open
Abstract
During recent years, a number of new compounds against HER2 have reached clinics, improving the prognosis and quality of life of HER2-positive breast cancer patients. Nonetheless, resistance to standard-of-care drugs has motivated the development of novel agents, such as new antibody-drug conjugates (ADCs). The latter are a group of drugs that benefit from the potency of cytotoxic agents whose action is specifically guided to the tumor by the target-specific antibody. Two anti-HER2 ADCs have reached the clinic: trastuzumab-emtansine and, more recently, trastuzumab-deruxtecan. In addition, several other HER2-targeted ADCs are in preclinical or clinical development, some of them with promising signs of activity. In the present review, the structure, mechanism of action, and potential resistance to all these ADCs will be described. Specific attention will be given to discussing novel strategies to circumvent resistance to ADCs.
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Affiliation(s)
- Elena Díaz-Rodríguez
- Instituto de Biología Molecular y Celular del Cáncer, CSIC-IBSAL and CIBERONC, 37007 Salamanca, Spain; (E.D.-R.); (L.G.-S.)
- Departamento de Bioquímica y Biología Molecular, University of Salamanca, 37007 Salamanca, Spain
| | - Lucía Gandullo-Sánchez
- Instituto de Biología Molecular y Celular del Cáncer, CSIC-IBSAL and CIBERONC, 37007 Salamanca, Spain; (E.D.-R.); (L.G.-S.)
| | - Alberto Ocaña
- Hospital Clínico San Carlos, Centro de Investigación Biomédica en Red de Oncología (CIBERONC), 28040 Madrid, Spain;
| | - Atanasio Pandiella
- Instituto de Biología Molecular y Celular del Cáncer, CSIC-IBSAL and CIBERONC, 37007 Salamanca, Spain; (E.D.-R.); (L.G.-S.)
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Shin SH, Park Y, Park SS, Ju EJ, Park J, Ko EJ, Bae DJ, Kim S, Chung C, Song HY, Jang SJ, Jeong S, Song SY, Choi EK. An Elaborate New Linker System Significantly Enhances the Efficacy of an HER2-Antibody-Drug Conjugate against Refractory HER2-Positive Cancers. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102414. [PMID: 34664433 PMCID: PMC8655175 DOI: 10.1002/advs.202102414] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/17/2021] [Indexed: 05/03/2023]
Abstract
Human epidermal growth factor receptor 2 (HER2) is overexpressed in breast and gastric cancers and this causes poor clinical outcomes. Although both T-DM1 and Enhertu are approved as an HER2-targeting antibody-drug conjugate (ADC), the effects of these drugs are still not satisfactory to eradicate diverse tumors expressing HER2. To address this shortfall in HER2-targeted therapeutics, an elaborate cleavable linker is created and a novel HER2-targeting ADC composed with trastuzumab and monomethyl auristatin F, which is being investigated in a phase 1 clinical trial and is referred to as LegoChem Bisciences-ADC (LCB-ADC). LCB-ADC displays a higher cytotoxic potency than T-DM1 and it also has a higher G2/M arrest ratio. In animal studies, LCB-ADC produces noticeable tumor growth inhibition compared with trastuzumab or T-DM1 in an HER2 high-expressing N87 xenograft tumor. Especially, LCB-ADC shows good efficacy in terms of suppressing tumor growth in a patient-derived xenograft (PDX) model of HER2-positive gastric cancer as well as in T-DM1-resistant models such as HER2 low-expressing HER2 low expressing JIMT-1 xenograft tumor and PDX. Collectively, the results demonstrate that LCB-ADC with the elaborate linker has a higher efficacy and greater biostability than its ADC counterparts and may successfully treat cancers that are nonresponsive to previous therapeutics.
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Affiliation(s)
- Seol Hwa Shin
- Asan Medical Institute of Convergence Science and TechnologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
| | - Yun‐Hee Park
- ADC R&D CenterLegoChem Biosciences, Inc.Daejeon34302Republic of Korea
| | - Seok Soon Park
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
| | - Eun Jin Ju
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
| | - Jin Park
- Asan Medical Institute of Convergence Science and TechnologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
| | - Eun Jung Ko
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
| | - Dong Jun Bae
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
| | - Sang‐Yeob Kim
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
- Department of Convergence MedicineASAN Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
| | - Chul‐Woong Chung
- ADC R&D CenterLegoChem Biosciences, Inc.Daejeon34302Republic of Korea
| | - Ho Young Song
- ADC R&D CenterLegoChem Biosciences, Inc.Daejeon34302Republic of Korea
| | - Se Jin Jang
- Asan Medical Institute of Convergence Science and TechnologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
- Department of PathologyASAN Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
| | - Seong‐Yun Jeong
- Asan Medical Institute of Convergence Science and TechnologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
- Asan Institute for Life SciencesASAN Medical CenterSeoul05505Republic of Korea
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
- Department of Convergence MedicineASAN Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
| | - Si Yeol Song
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
- Department of Radiation OncologyASAN Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
| | - Eun Kyung Choi
- Asan Medical Institute of Convergence Science and TechnologyAsan Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
- Asan Preclinical Evaluation Center for Cancer TherapeuticsASAN Medical CenterSeoul05505Republic of Korea
- Department of Radiation OncologyASAN Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea
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Zhao D, Fu X, Rohr J, Wang Y, Li M, Zhang X, Qin J, Xu M, Li C, Sun G, Wang Z, Guo S. Poor histologic tumor response after adjuvant therapy in basal-like HER2-positive breast carcinoma. Pathol Res Pract 2021; 228:153677. [PMID: 34775151 DOI: 10.1016/j.prp.2021.153677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 10/27/2021] [Accepted: 10/27/2021] [Indexed: 12/21/2022]
Abstract
AIMS HER2-positive breast carcinomas are all treated with first-line anti-HER2 therapy. However, immunohistochemical and molecular profiling demonstrates significant heterogeneity among HER2-positive carcinomas. Basal-like HER2-positive breast carcinomas are poorly differentiated from pure HER2-positive breast carcinomas. MATERIALS AND METHODS Seventy-five patients with HER2-positive, ER- and PR-negative breast carcinomas who received anti-HER2 based neoadjuvant therapy were retrospectively analyzed. Thirty-seven cases were classified as basal-like HER2-positive breast carcinoma with any positivity for CK5/6, and thirty-eight cases were classified as pure HER2-positive breast carcinoma with completely negativity for CK5/6. The clinicopathological features and tumor responses after neoadjuvant therapy and outcomes were analyzed. RESULTS Compared to non-basal HER2-positive breast carcinoma, basal-like HER2-positive breast carcinoma showed distinctive histologic features including poor differentiation and syncytial tumor cells with pushing, invasive borders and a significantly higher proportion of apocrine metaplasia. They also demonstrated significantly higher histologic grade; 18/37 (48.6%) of basal-like carcinomas were grade 3, whereas only 5/38 (13.2%) of non-basal carcinomas were grade 3 (p = 0.001), Furthermore, basal-like HER2-positive breast carcinomas were more likely to be positive or completely negative for p53 (p = 0.009), and demonstrated a higher percentage of TP53 mutation (p = 0.17). These tumors were less responsive to anti-HER2 based neoadjuvant therapy, with Miller-Payne grades 1-3 higher than pure HER2-positive breast carcinoma (25/37 [67.6%] vs 16/38 [42.1%]), and the percentage of grade 4-5 was lower (12/37 [32.4%] vs 22/38 [57.9%]; p = 0.027). CONCLUSIONS Basal-like HER2-positive breast carcinoma has distinctive clinicopathological features and less histologic tumor response after neoadjuvant therapy. There is urgent need to recognize basal-like HER2-positive breast carcinoma to be treated precisely.
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Affiliation(s)
- Danhui Zhao
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Xin Fu
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Joseph Rohr
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, 68105, NE, USA
| | - Yingmei Wang
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Mingyang Li
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Xiuming Zhang
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Junhui Qin
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Mengwei Xu
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Chao Li
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Guorui Sun
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China
| | - Zhe Wang
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China.
| | - Shuangping Guo
- Department of Pathology, the First Affinity Hospital of the Air Force Military Medical University, Xi'an, Shaan Xi Province, 710032, China.
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Li H, Prever L, Hirsch E, Gulluni F. Targeting PI3K/AKT/mTOR Signaling Pathway in Breast Cancer. Cancers (Basel) 2021; 13:3517. [PMID: 34298731 PMCID: PMC8304822 DOI: 10.3390/cancers13143517] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/06/2021] [Accepted: 07/10/2021] [Indexed: 12/19/2022] Open
Abstract
Breast cancer is the most frequently diagnosed cancer and the primary cause of cancer death in women worldwide. Although early diagnosis and cancer growth inhibition has significantly improved breast cancer survival rate over the years, there is a current need to develop more effective systemic treatments to prevent metastasis. One of the most commonly altered pathways driving breast cancer cell growth, survival, and motility is the PI3K/AKT/mTOR signaling cascade. In the past 30 years, a great surge of inhibitors targeting these key players has been developed at a rapid pace, leading to effective preclinical studies for cancer therapeutics. However, the central role of PI3K/AKT/mTOR signaling varies among diverse biological processes, suggesting the need for more specific and sophisticated strategies for their use in cancer therapy. In this review, we provide a perspective on the role of the PI3K signaling pathway and the most recently developed PI3K-targeting breast cancer therapies.
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Affiliation(s)
| | | | | | - Federico Gulluni
- Department of Molecular Biotechnology and Health Sciences, University of Turin, 10126 Turin, Italy; (H.L.); (L.P.); (E.H.)
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Anti-HER2 antibody prolongs overall survival disproportionally more than progression-free survival in HER2-Positive metastatic breast cancer patients. Breast 2021; 59:211-220. [PMID: 34298300 PMCID: PMC8321956 DOI: 10.1016/j.breast.2021.07.006] [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: 04/26/2021] [Revised: 06/28/2021] [Accepted: 07/05/2021] [Indexed: 12/01/2022] Open
Abstract
Background This meta-analysis aimed to test the hypothesis that the HER2-positive metastatic breast cancer (mBC) patients treated with anti-HER2 antibodies in trial intervention arms have a greater prolongation of overall survival (OS) than of progression-free survival (PFS) and this extra-prolongation of median survival time in OS relates specifically to the anti-HER2 antibody. Methods The NCBI/Pubmed and Cochrane databases were searched systematically for HER2-positive or mBC trials published in English during January 1999–November 2017. Treatment arms with shorter PFS were considered as the “control” arm, whereas those with longer PFS as the “test” arm. The between-treatment drug differences were grouped into nine categories. Groups with or without anti-HER2 antibodies were pooled respectively for comparisons. The interrelationships between PFS and OS hazard ratios (HRs) and median survival time differences were investigated by conducting fixed-effects and mixed-effects linear meta-regression analyses. Results Twenty-eight trials (10,928 patients) from 438 articles were collected, and four with missing data were excluded in meta-regression analysis. Overall median PFS (HR = 0.73, 95% CI: 0.68–0.78) and median OS (HR = 0.82, 95% CI: 0.77–0.87) weakly favored the longer PFS arm with a weak correlation between the PFS and OS HRs. However, the between-treatment drug difference was anti-HER2 antibody, the absolute increment in median OS time was double that of median PFS time (p < 0.001) and linearly correlated, which was not found with any non-anti-HER2 antibody drug differences. Conclusions Anti-HER2 antibody in patients with HER2-positive mBC prolonged OS more than PFS and mandates further investigation. Our study dissected the overall survival benefit over progression-free survival in HER-2 positive metastatic breast cancer treated with anti-HER2 antibody by meta-analysis. Use of anti-HER2 antibodies, but not other anticancer drugs, to treat HER2-positive metastatic breast cancer independently predicted the OS compared with PFS. The design of future clinical trials should consider anti-HER2 antibodies carefully in the treatment armamentarium for HER2-positive metastatic breast cancer.
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Li XF, Liu CF, Rao GW. Monoclonal Antibodies, Small Molecule Inhibitors and Antibody-drug Conjugates as HER2 Inhibitors. Curr Med Chem 2021; 28:3339-3360. [PMID: 32900344 DOI: 10.2174/0929867327666200908112847] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/30/2020] [Accepted: 08/04/2020] [Indexed: 11/22/2022]
Abstract
Overexpression of human epidermal growth factor receptor (HER)-2 is found in a variety of cancers, often portending poor clinical outcomes. Therefore, HER2 is an attractive target for treatment. This review describes the research progress of HER2 targeted inhibitors in recent years. Excellent reviews are available, so we focus on the development, mechanisms of action, and structure-activity relationships of different types of inhibitors, including monoclonal antibodies, small molecule inhibitors, and antibody-drug conjugates (ADCs). In addition, the differences among them are compared.
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Affiliation(s)
- Xiu-Fang Li
- College of Pharmaceutical Science, Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Chen-Fu Liu
- School of Pharmaceutical Sciences, Gannan Medical University, Ganzhou 341000, China
| | - Guo-Wu Rao
- College of Pharmaceutical Science, Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, China
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Boyer JZ, Phillips GDL, Nitta H, Garsha K, Admire B, Kraft R, Dennis E, Vela E, Towne P. Activity of trastuzumab emtansine (T-DM1) in 3D cell culture. Breast Cancer Res Treat 2021; 188:65-75. [PMID: 34091830 PMCID: PMC8233276 DOI: 10.1007/s10549-021-06272-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/24/2021] [Indexed: 12/14/2022]
Abstract
Background Cell spheroids and aggregates generated from three-dimensional (3D) cell culture methods are similar to in vivo tumors in terms of tissue morphology, biology, and gene expression, unlike cells grown in 2D cell cultures. Breast cancer heterogeneity is one of the main drug resistant mechanisms and needs to be overcome in order to increase the efficacy of drug activity in its treatments. Methods We performed a unique 3D cell culture and drug efficacy study with trastuzumab emtansine (Kadcyla®, T-DM1) across five breast cancer cell lines (BT-474, SK-BR-3, MDA-MB-361, MDA-MB-175, and MCF-7) that were previously investigated in 2D cell culture. We performed HER2 IHC staining, cell viability experiments, Gene-protein-assay (GPA), and T-DM1 internalization studies. Results We obtained significantly different results including higher IC50 for some of the cell lines. Our GPA showed some significant heterogeneous HER2 gene and protein expression in 3D cultured spheroids or aggregates. The fluorescent images also showed that a longer incubation time is needed for T-DM1 to be internalized effectively into 3D cultured spheroids or aggregates. Conclusion Our study demonstrated that the difference of T-DM1 drug activity in 3D spheroids or aggregates might be due to tumor heterogeneity and less efficient internalization of T-DM1 that is not seen using 2D cell culture models. Drug studies using 3D cell culture are expected to provide biologically relevant models for determining drug activity in tumor tissue in future drug response and resistance research.
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Affiliation(s)
- Jean Zheng Boyer
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA.
| | | | - Hiro Nitta
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA
| | - Karl Garsha
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA
| | - Brittany Admire
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA
| | - Robert Kraft
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA
| | - Eslie Dennis
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA
| | - Elizabeth Vela
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA
| | - Penny Towne
- Roche Tissue Diagnostics, 1910 E Innovation Park Drive, Tucson, AZ, 85755, USA
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Drago JZ, Modi S, Chandarlapaty S. Unlocking the potential of antibody-drug conjugates for cancer therapy. Nat Rev Clin Oncol 2021; 18:327-344. [PMID: 33558752 PMCID: PMC8287784 DOI: 10.1038/s41571-021-00470-8] [Citation(s) in RCA: 517] [Impact Index Per Article: 172.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2021] [Indexed: 02/07/2023]
Abstract
Nine different antibody-drug conjugates (ADCs) are currently approved as cancer treatments, with dozens more in preclinical and clinical development. The primary goal of ADCs is to improve the therapeutic index of antineoplastic agents by restricting their systemic delivery to cells that express the target antigen of interest. Advances in synthetic biochemistry have ushered in a new generation of ADCs, which promise to improve upon the tissue specificity and cytotoxicity of their predecessors. Many of these drugs have impressive activity against treatment-refractory cancers, although hurdles impeding their broader use remain, including systemic toxicity, inadequate biomarkers for patient selection, acquired resistance and unknown benefit in combination with other cancer therapies. Emerging evidence indicates that the efficacy of a given ADC depends on the intricacies of how the antibody, linker and payload components interact with the tumour and its microenvironment, all of which have important clinical implications. In this Review, we discuss the current state of knowledge regarding the design, mechanism of action and clinical efficacy of ADCs as well as the apparent limitations of this treatment class. We then propose a path forward by highlighting several hypotheses and novel strategies to maximize the potential benefit that ADCs can provide to patients with cancer.
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Affiliation(s)
- Joshua Z Drago
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Weil Cornell Medicine, New York, NY, USA
| | - Shanu Modi
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Weil Cornell Medicine, New York, NY, USA.
| | - Sarat Chandarlapaty
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Weil Cornell Medicine, New York, NY, USA.
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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Jahan N, Rehman S, Khan R, Jones C. Relative Risk of Peripheral Neuropathy With Ado-Trastuzumab Emtansine (T-DM1) Compared to Taxane-Based Regimens in Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Cancers: A Systematic Review and Meta-Analysis. Cureus 2021; 13:e15282. [PMID: 34194883 PMCID: PMC8235954 DOI: 10.7759/cureus.15282] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2021] [Indexed: 11/09/2022] Open
Abstract
Background Peripheral neuropathy (PN), especially peripheral sensory neuropathy (PSN), is significant toxicity of taxanes, the most used class of microtubule inhibitors for human epidermal growth factor receptor 2 (HER2)-positive breast cancer patients. Ado-trastuzumab emtansine (T-DM1) is a HER2-targeted antibody-drug conjugate, consisting of trastuzumab and a microtubule inhibitor DM1, which has been approved for HER2-positive breast cancer. T-DM1 has also been found to cause significant PN, including PSN. Methods We conducted a systematic review and meta-analysis of phase 3 randomized controlled trials using T-DM1 in the experimental arm and a taxane-based regimen in the control arm to determine the relative risk of PN and PSN associated with T-DM1 as compared to taxanes. A total of 1,857 patients were included in the analysis. The Cochran-Mantel-Haenszel method and the random-effects model were used to calculate the pooled risk ratio (RR) with a 95% confidence interval (CI) for all-grade and grade ≥3 PN and PSN. Results The relative risks of all-grade PN and all-grade PSN were lower with T-DM1 compared to taxanes. The pooled RR of all-grade PN was 0.59, 95% CI: 0.39-0.89, P = 0.01, and the pooled RR of all-grade PSN was 0.58, 95% CI: 0.46-0.74, P < 0.0001. Conclusions Our meta-analysis demonstrated that T-DM1 is associated with a relatively lower risk of all-grade PN and PSN than the taxane-based regimens for HER2-positive cancers. It could be an area of consideration in selecting therapy for HER2-positive breast cancer patients at high risk of developing or having pre-existing PN and PSN.
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Affiliation(s)
- Nusrat Jahan
- Division of Hematology and Oncology, Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, USA
| | - Shabnam Rehman
- Division of Hematology and Oncology, Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, USA
| | - Rafiullah Khan
- Division of Hematology and Oncology, Department of Internal Medicine, University of Cincinnati Medical Center, Cincinnati, USA
| | - Catherine Jones
- Division of Hematology and Oncology, Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, USA
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HER2-Targeted Immunotherapy and Combined Protocols Showed Promising Antiproliferative Effects in Feline Mammary Carcinoma Cell-Based Models. Cancers (Basel) 2021; 13:cancers13092007. [PMID: 33919468 PMCID: PMC8122524 DOI: 10.3390/cancers13092007] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 12/25/2022] Open
Abstract
Simple Summary Mammary tumors are common in cats, presenting an aggressive behavior with high tumor recurrence. Therefore, new and efficient therapeutic protocols are urgent. Monoclonal antibodies (mAbs; ADC) are widely used in human breast cancer therapy, inhibiting the HER2 dimerization and leading to cell apoptosis. Furthermore, drug combinations, with tyrosine kinase inhibitors (TKi) are valuable in patients’ therapeutic protocols. In this study, two mAbs, and an ADC, as well as combined protocols between mAbs and mAbs plus lapatinib (TKi) were tested to address if the drugs could be used as new therapeutic options in feline mammary tumors. All the compounds and the combined treatments revealed valuable antiproliferative effects, and a conserved cell death mechanism, by apoptosis, in the feline cell lines, where the mutations found in the extracellular domain of the HER2 suggest no immunotherapy resistance. Abstract Feline mammary carcinoma (FMC) is a highly prevalent tumor, showing aggressive clinicopathological features, with HER2-positive being the most frequent subtype. While, in human breast cancer, the use of anti-HER2 monoclonal antibodies (mAbs) is common, acting by blocking the extracellular domain (ECD) of the HER2 protein and by inducing cell apoptosis, scarce information is available on use these immunoagents in FMC. Thus, the antiproliferative effects of two mAbs (trastuzumab and pertuzumab), of an antibody–drug conjugate compound (T-DM1) and of combined treatments with a tyrosine kinase inhibitor (lapatinib) were evaluated on three FMC cell lines (CAT-MT, FMCm and FMCp). In parallel, the DNA sequence of the her2 ECD (subdomains II and IV) was analyzed in 40 clinical samples of FMC, in order to identify mutations, which can lead to antibody resistance or be used as prognostic biomarkers. Results obtained revealed a strong antiproliferative effect in all feline cell lines, and a synergistic response was observed when combined therapies were performed. Additionally, the mutations found were not described as inducing resistance to therapy in breast cancer patients. Altogether, our results suggested that anti-HER2 mAbs could become useful in the treatment of FMC, particularly, if combined with lapatinib, since drug-resistance seems to be rare.
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Yurkovetskiy AV, Bodyak ND, Yin M, Thomas JD, Clardy SM, Conlon PR, Stevenson CA, Uttard A, Qin L, Gumerov DR, Ter-Ovanesyan E, Bu C, Johnson AJ, Gurijala VR, McGillicuddy D, DeVit MJ, Poling LL, Protopopova M, Xu L, Zhang Q, Park PU, Bergstrom DA, Lowinger TB. Dolaflexin: A Novel Antibody-Drug Conjugate Platform Featuring High Drug Loading and a Controlled Bystander Effect. Mol Cancer Ther 2021; 20:885-895. [PMID: 33722857 DOI: 10.1158/1535-7163.mct-20-0166] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 08/04/2020] [Accepted: 03/10/2021] [Indexed: 11/16/2022]
Abstract
After significant effort over the last 30 years, antibody-drug conjugates (ADC) have recently gained momentum as a therapeutic modality, and nine ADCs have been approved by the FDA to date, with additional ADCs in late stages of development. Here, we introduce dolaflexin, a novel ADC technology that overcomes key limitations of the most common ADC platforms with two key features: a higher drug-to-antibody ratio and a novel auristatin with a controlled bystander effect. The novel, cell permeable payload, auristatin F-hydroxypropylamide, undergoes metabolic conversion to the highly potent, but less cell permeable auristatin F to balance the bystander effect through drug trapping within target cells. We conducted studies in mice, rats, and cynomolgus monkeys to complement in vitro characterization and contrasted the performance of dolaflexin with regard to antitumor activity, pharmacokinetic properties, and safety in comparison with the ADC platform utilized in the approved ADC ado-trastuzumab emtansine (T-DM1). A HER2-targeted dolaflexin ADC was shown to have a much lower threshold of antigen expression for potent cell killing in vitro, was effective in vivo in tumors with low HER2 expression, and induced tumor regressions in a xenograft model that is resistant to T-DM1.
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Affiliation(s)
| | | | - Mao Yin
- Formerly Mersana Therapeutics, Cambridge, Massachusetts
| | | | | | | | | | - Alex Uttard
- Mersana Therapeutics, Cambridge, Massachusetts
| | | | | | | | - Charlie Bu
- Formerly Mersana Therapeutics, Cambridge, Massachusetts
| | | | | | | | | | | | | | | | | | - Peter U Park
- Formerly Mersana Therapeutics, Cambridge, Massachusetts
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Zhang Z, Feng X, Deng Z, Cheng J, Wang Y, Zhao M, Zhao Y, He S, Huang Q. Irradiation-induced polyploid giant cancer cells are involved in tumor cell repopulation via neosis. Mol Oncol 2021; 15:2219-2234. [PMID: 33523579 PMCID: PMC8334289 DOI: 10.1002/1878-0261.12913] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 12/07/2020] [Accepted: 01/27/2021] [Indexed: 12/25/2022] Open
Abstract
Tumor repopulation occurs when residual tumor cells surviving therapies tenaciously proliferate and re‐establish the tumor. The cellular and molecular mechanisms underlying this process remain poorly understood. In this study, we propose that polyploid giant cancer cells (PGCCs) are involved in tumor repopulation via neosis following radiotherapy. We found that although the majority of PGCCs induced by irradiation underwent cell death, some PGCCs exhibited proliferative capacity. Utilizing time‐lapse microscopy and single‐cell cloning assays, we observed that proliferating PGCCs underwent neosis, thereby contributing to tumor cell repopulation after irradiation. Notably, HMGB1 released from dying tumor cells rather than intracellular HMGB1 could promote neosis‐based tumor repopulation, and the latter could be suppressed by the use of HMGB1 inhibitors. Taken together, our results indicate that PGCC can initiate tumor repopulation via neosis following radiation therapy.
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Affiliation(s)
- Zhengxiang Zhang
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiao Feng
- Department of Oncology, Henan Province People's Hospital, Henan University, Zhengzhou, China
| | - Zheng Deng
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jin Cheng
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiwei Wang
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Minghui Zhao
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yucui Zhao
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Sijia He
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qian Huang
- Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Barok M, Puhka M, Yazdi N, Joensuu H. Extracellular vesicles as modifiers of antibody-drug conjugate efficacy. J Extracell Vesicles 2021; 10:e12070. [PMID: 33613875 PMCID: PMC7881363 DOI: 10.1002/jev2.12070] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/26/2021] [Accepted: 02/01/2021] [Indexed: 12/17/2022] Open
Abstract
Antibody-drug conjugates (ADCs) are a new class of anti-cancer drugs that consist of a monoclonal antibody, a highly potent small-molecule cytotoxic drug, and a chemical linker between the two. ADCs can selectively deliver cytotoxic drugs to cancer cells leading to a reduced systemic exposure and a wider therapeutic window. To date, nine ADCs have received marketing approval, and over 100 are being investigated in nearly 600 clinical trials. The target antigens of at least eight out of the nine approved anti-cancer ADCs and of 69 investigational ADCs are present on extracellular vesicles (EVs) (tiny particles produced by almost all types of cells) that may carry their contents into local and distant cells. Therefore, the EVs have a potential to mediate both the anti-cancer effects and the adverse effects of ADCs. In this overview, we discuss the mechanisms of action of ADCs and the resistance mechanisms to them, the EV-mediated resistance mechanisms to small molecule anti-cancer drugs and anti-cancer monoclonal antibodies, and the EVs as modifiers of ADC efficacy and safety.
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Affiliation(s)
- Mark Barok
- Helsinki University Hospital and University of HelsinkiHelsinkiFinland
- Laboratory of Molecular OncologyUniversity of HelsinkiBiomedicumHelsinkiFinland
| | - Maija Puhka
- Institute for Molecular Medicine FIMMEV and HiPrep CoreUniversity of HelsinkiHelsinkiFinland
| | - Narjes Yazdi
- Helsinki University Hospital and University of HelsinkiHelsinkiFinland
- Laboratory of Molecular OncologyUniversity of HelsinkiBiomedicumHelsinkiFinland
| | - Heikki Joensuu
- Helsinki University Hospital and University of HelsinkiHelsinkiFinland
- Laboratory of Molecular OncologyUniversity of HelsinkiBiomedicumHelsinkiFinland
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Mondaca JM, Guijarro ACC, Flamini MI, Sanchez AM. Heregulin-induced cell migration is prevented by trastuzumab and trastuzumab-emtansine in HER2+ breast cancer. Breast Cancer Res Treat 2021; 186:363-377. [PMID: 33474679 DOI: 10.1007/s10549-020-06089-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 12/31/2020] [Indexed: 12/18/2022]
Abstract
PURPOSE Heregulin (HRG) signaling has been implicated in the development of an aggressive phenotype in breast cancer (BC) cells, and HER2 overexpression has been associated with a worse prognosis in BC patients. Nevertheless, the molecular mechanisms through which HRG affects the efficiency of anti-HER2 therapies such as trastuzumab (Tz) and trastuzumab-emtansine (T-DM1) are currently unknown. METHODS In the present study, we evaluate the molecular action of HRG toward fundamental scaffold proteins and several kinases in the signal transduction pathways triggered via HER2/HER3, which integrate precise and sequential steps to promote changes in cell morphology to impulse BC cell migration. In addition, we evaluate the effectiveness of Tz and T-DM1 on the control of key proteins involved in BC cell motility, since the acquisition of a migratory phenotype is essential to promote invasion and metastasis. RESULTS We show that HRG induces actin cytoskeleton reorganization and focal adhesion complex formation, and promotes actin nucleation in BT-474 BC cells. This signaling is triggered by HER2/HER3 to c-Src, FAK and paxillin. When paxillin is phosphorylated, it recruits PAK1, which then phosphorylates cortactin. In parallel, paxillin signals to N-WASP, and both signalings regulate Arp2/3 complex, leading to the local reorganization of actin fibers. CONCLUSIONS Our findings reveal an original mechanism by which HRG increases HER2+ BC cell motility, and show that the latter can be abolished by Tz and T-DM1 treatments. These results provide evidence for the molecular mechanisms involved in cell motility and drug resistance. They will be useful to develop new and more specific therapeutic schemes that interfere with the progression and metastasis of HER2+ BC.
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Affiliation(s)
- Joselina Magali Mondaca
- Laboratorio de Transducción de Señales y Movimiento Celular, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, Av. Ruiz Leal S/N. Parque Gral, San Martin CC855, 5500, Mendoza, Argentina
| | - Ana Carla Castro Guijarro
- Laboratorio de Biología Tumoral, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, Av. Ruiz Leal S/N. Parque Gral, San Martin CC855, 5500, Mendoza, Argentina
| | - Marina Inés Flamini
- Laboratorio de Biología Tumoral, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, Av. Ruiz Leal S/N. Parque Gral, San Martin CC855, 5500, Mendoza, Argentina.
| | - Angel Matias Sanchez
- Laboratorio de Transducción de Señales y Movimiento Celular, Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Cuyo, Av. Ruiz Leal S/N. Parque Gral, San Martin CC855, 5500, Mendoza, Argentina.
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Hofsteen P, Karassina N, Cali JJ, Vidugiriene J. A Luminescence Assay to Quantify Cell Viability in Real Time. Methods Mol Biol 2021; 2255:187-196. [PMID: 34033104 DOI: 10.1007/978-1-0716-1162-3_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Comprehensive understanding of cellular responses to changes in the cellular environment or by drug treatment requires time-dependent analysis ranging from hours to several days. Here, we describe a sensitive, nonlytic live-cell assay that allows continuous or 'real-time' monitoring of cell viability, growth, and cytotoxicity over an extended period of time. We illustrate the use of the assay for small drug molecule and antibody-dependent cytotoxicity studies using cancer cells in 384-well plates. We show that the ability to measure changes in live cells over time provides instantaneous information on the biological status of the cells, information about the mode of action of the drug, and offers an added advantage of preserving the cells for multiplexing with downstream applications.
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Affiliation(s)
- Peter Hofsteen
- Research and Development, Promega Corporation, Madison, WI, USA
| | | | - James J Cali
- Research and Development, Promega Corporation, Madison, WI, USA
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Molinelli C, Parisi F, Razeti MG, Arecco L, Cosso M, Fregatti P, Del Mastro L, Poggio F, Lambertini M. Trastuzumab emtansine (T-DM1) as adjuvant treatment of HER2-positive early breast cancer: safety and efficacy. Expert Rev Anticancer Ther 2020; 21:241-250. [PMID: 33245671 DOI: 10.1080/14737140.2021.1857243] [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] [Indexed: 01/23/2023]
Abstract
Introduction: The prognosis of patients with HER2-positive early breast cancer has radically improved after the introduction of (neo)adjuvant anti-HER2 targeted therapy. Trastuzumab emtansine (T-DM1) is an antibody-drug conjugate combining the anticancer properties of the anti-HER2 agent trastuzumab and the antineoplastic cytotoxic drug DM1. After demonstrating to be an effective and safe treatment for patients with HER2-positive advanced breast cancer, the development of T-DM1 has moved to the early setting.Areas covered: The aim of this review is to explore the current role of T-DM1 in the treatment landscape of HER2-positive early breast cancer, focusing specifically on the efficacy and safety data available in the adjuvant setting.Expert opinion: T-DM1 is an effective and safe treatment option in the adjuvant setting for patients with HER2-positive breast cancer without pathologic complete response after standard neoadjuvant chemotherapy plus anti-HER2 targeted therapy. With the availability of more effective anti-HER2 targeted agents, including T-DM1, there is an urgent need for more chemotherapy de-escalation research efforts in the early setting.
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Affiliation(s)
- Chiara Molinelli
- Department of Medical Oncology, Breast Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Francesca Parisi
- Department of Medical Oncology, U.O.C. Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Maria Grazia Razeti
- Department of Medical Oncology, U.O.C. Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Luca Arecco
- Department of Medical Oncology, U.O.C. Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Maurizio Cosso
- Department of Radiology, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Piero Fregatti
- Department of Surgery, U.O.C. Clinica di Chirurgia Senologica, IRCCS Ospedale Policlinico San Martino, Genova, Italy.,Department of Integrated Diagnostic Surgical Sciences, School of Medicine, University of Genova, Genova, Italy
| | - Lucia Del Mastro
- Department of Medical Oncology, Breast Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy.,Department of Internal Medicine and Medical Specialties (DiMI), School of Medicine, University of Genova, Genova, Italy
| | - Francesca Poggio
- Department of Medical Oncology, Breast Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Matteo Lambertini
- Department of Medical Oncology, U.O.C. Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, Genova, Italy.,Department of Internal Medicine and Medical Specialties (DiMI), School of Medicine, University of Genova, Genova, Italy
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Kukkar D, Kukkar P, Kumar V, Hong J, Kim KH, Deep A. Recent advances in nanoscale materials for antibody-based cancer theranostics. Biosens Bioelectron 2020; 173:112787. [PMID: 33190049 DOI: 10.1016/j.bios.2020.112787] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/08/2020] [Accepted: 10/30/2020] [Indexed: 02/07/2023]
Abstract
The quest for advanced management tools or options of various cancers has been on the rise to efficiently reduce their risks of mortality without the demerits of conventional treatments (e.g., undesirable side effects of the medications on non-target tissues, non-targeted distribution, slow clearance of the administered drugs, and the development of drug resistance over the duration of therapy). In this context, nanomaterials-antibody conjugates can offer numerous advantages in the development of cancer theranostics over conventional delivery systems (e.g., highly specific and enhanced biodistribution of the drug in targeted tissues, prolonged systemic circulation, low toxicity, and minimally invasive molecular imaging). This review comprehensively discusses and evaluates recent advances in the application of nanomaterial-antibody bioconjugates for cancer theranostics for the further advancement in the control of diverse cancerous diseases. Further, discussion is expanded to cover the various challenges and limitations associated with the design and development of nanomaterial-antibody conjugates applicable towards better management of cancer.
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Affiliation(s)
- Deepak Kukkar
- Department of Nanotechnology, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab, 140406, India
| | - Preeti Kukkar
- Department of Chemistry, Mata Gujri College, Fatehgarh Sahib, Punjab, 140406, India
| | - Vanish Kumar
- National Agri-Food Biotechnology Institute (NABI), S.A.S. Nagar, Punjab, 140306, India
| | - Jongki Hong
- College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Seoul, 02447, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763 Republic of Korea.
| | - Akash Deep
- Central Scientific Instruments Organization (CSIR-CSIO), Sector 30 C, Chandigarh, 160030, India.
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Weddell J, Chiney MS, Bhatnagar S, Gibbs JP, Shebley M. Mechanistic Modeling of Intra-Tumor Spatial Distribution of Antibody-Drug Conjugates: Insights into Dosing Strategies in Oncology. Clin Transl Sci 2020; 14:395-404. [PMID: 33073529 PMCID: PMC7877868 DOI: 10.1111/cts.12892] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022] Open
Abstract
Antibody drug conjugates (ADCs) provide targeted delivery of cytotoxic agents directly inside tumor cells. However, many ADCs targeting solid tumors have exhibited limited clinical efficacy, in part, due to insufficient penetration within tumors. To better understand the relationship between ADC tumor penetration and efficacy, previously applied Krogh cylinder models that explore tumor growth dynamics following ADC administration in preclinical species were expanded to a clinical framework by integrating clinical pharmacokinetics, tumor penetration, and tumor growth inhibition. The objective of this framework is to link ADC tumor penetration and distribution to clinical efficacy. The model was validated by comparing virtual patient population simulations to observed overall response rates from trastuzumab‐DM1 treated patients with metastatic breast cancer. To capture clinical outcomes, we expanded upon previous Krogh cylinder models to include the additional mechanism of heterogeneous tumor growth inhibition spatially across the tumor. This expansion mechanistically captures clinical response rates by describing heterogeneous ADC binding and tumor cell killing; high binding and tumor cell death close to capillaries vs. low binding, and high tumor cell proliferation far from capillaries. Sensitivity analyses suggest that clinical efficacy could be optimized through dose fractionation, and that clinical efficacy is primarily dependent on the ADC‐target affinity, payload potency, and tumor growth rate. This work offers a mechanistic basis to predict and optimize ADC clinical efficacy for solid tumors, allowing dosing strategy optimization to improve patient outcomes.
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Affiliation(s)
- Jared Weddell
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - Manoj S Chiney
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - Sumit Bhatnagar
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - John P Gibbs
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
| | - Mohamad Shebley
- Clinical Pharmacology and Pharmacometrics, AbbVie Inc., North Chicago, Illinois, USA
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He L, Zhang F, Ma Y, Zuo L, Xu Y. Pathological Complete Response from Pyrotinib Combined with Trastuzumab, Paclitaxel and Cisplatin in a Postpartum Woman with HER2-Positive Locally Advanced Breast Cancer: A Case Report. Onco Targets Ther 2020; 13:8749-8756. [PMID: 32943881 PMCID: PMC7468538 DOI: 10.2147/ott.s252117] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 08/06/2020] [Indexed: 11/23/2022] Open
Abstract
Background Overexpression of human epidermal growth factor receptor 2 (HER2) is associated with aggressive disease and poor prognosis. Traditional HER2-targeted agents can improve clinical outcome and have played an essential role in therapy. Pyrotinib is a newly irreversible tyrosine kinase inhibitor (TKI) that is well developed for the treatment of HER2-positive advanced breast tumors. Case Presentation A 37-year-old postpartum female was presented at a local hospital and was diagnosed with HER2-positive stage IIIB (cT4N1M0) invasive micropapillary adenocarcinoma in the left breast with left axillary metastatic lymph nodes. The patient failed to respond to two cycles of the doxorubicin plus cyclophosphamide (AC) regimen but achieved clinical partial response (cPR) after 4 cycles of the combination of pyrotinib, trastuzumab, paclitaxel and cisplatin (PTPC) regimen according to radiologic assessments. Then, she underwent left-side modified radical mastectomy (MRM) and achieved pathologic complete response (pCR), as confirmed by postoperative pathology. The patient held on receiving 2 cycles of the targeted therapy plus chemotherapy with trastuzumab, paclitaxel plus cisplatin (TPC) and adjuvant radiation therapy but continued to receive targeted therapy with trastuzumab and pertuzumab during the 1-year follow-up period. There has been no clinical evidence of disease progression so far. Conclusion Breast cancer overexpressing HER2 is a malignant tumor responsible for many cancer-related deaths. The combination of pyrotinib plus other targeted chemotherapy can dramatically improve the outcome of locally advanced disease.
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Affiliation(s)
- Lina He
- Department of Oncology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Fengchun Zhang
- Department of Oncology, Suzhou Kowloon Hospital, Shanghai Jiaotong University School of Medicine, Suzhou, People's Republic of China
| | - Yue Ma
- Department of Oncology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Li Zuo
- Department of Oncology, Fudan University Shanghai Cancer Center, Minhang Branch, Shanghai, People's Republic of China
| | - Yingchun Xu
- Department of Oncology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
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Barfield RM, Kim YC, Chuprakov S, Zhang F, Bauzon M, Ogunkoya AO, Yeo D, Hickle C, Pegram MD, Rabuka D, Drake PM. A Novel HER2-targeted Antibody-drug Conjugate Offers the Possibility of Clinical Dosing at Trastuzumab-equivalent Exposure Levels. Mol Cancer Ther 2020; 19:1866-1874. [PMID: 32651200 DOI: 10.1158/1535-7163.mct-20-0190] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/24/2020] [Accepted: 07/02/2020] [Indexed: 11/16/2022]
Abstract
Trastuzumab and the related ADC, ado-trastuzumab emtansine (T-DM1), both target HER2-overexpressing cells. Together, these drugs have treatment indications in both early-stage and metastatic settings for HER2+ breast cancer. T-DM1 retains the antibody functionalities of trastuzumab and adds the potency of a cytotoxic maytansine payload. Interestingly, in the clinic, T-DM1 cannot always replace the use of trastuzumab plus chemotherapy administered together as single agents. We hypothesize that this failure may be due, in part, to the limited systemic exposure achieved by T-DM1 relative to trastuzumab because of toxicity-related dosing constraints on the ADC. We have developed a trastuzumab-based ADC site specifically conjugated to maytansine through a noncleavable linker. This construct, termed CAT-01-106, has a drug-to-antibody ratio (DAR) of 1.8, approximately half the average DAR of T-DM1, which comprises a mixture of antibodies variously conjugated with DARs ranging from 0 to 8. The high DAR species present in T-DM1 contribute to its toxicity and limit its clinical dose. CAT-01-106 showed superior in vivo efficacy compared with T-DM1 at equal payload dosing and was equally or better tolerated compared with T-DM1 at equal payload dosing up to 120 mg/kg in Sprague-Dawley rats and 60 mg/kg in cynomolgus monkeys. CAT-01-106 also showed improved pharmacokinetics in rats relative to T-DM1, with 40% higher ADC exposure levels. Together, the data suggest that CAT-01-106 may be sufficiently tolerable to enable clinical dosing at trastuzumab-equivalent exposure levels, combining the functions of both the antibody and the payload in one drug and potentially improving patient outcomes.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Mark D Pegram
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California
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Paquette M, Phoenix S, Lawson C, Guérin B, Lecomte R, Tai LH, Turcotte ÉE, Leyton JV. A preclinical PET dual-tracer imaging protocol for ER and HER2 phenotyping in breast cancer xenografts. EJNMMI Res 2020; 10:69. [PMID: 32592121 PMCID: PMC7334319 DOI: 10.1186/s13550-020-00656-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 06/09/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Nuclear medicine is on the constant search of precision radiopharmaceutical approaches to improve patient management. Although discordant expression of the estrogen receptor (ER) and the human epidermal growth factor receptor 2 (HER2) in breast cancer is a known dilemma for appropriate patient management, traditional tumor sampling is often difficult or impractical. While 2-deoxy-2[18F]fluoro-D-glucose (18F-FDG)-positron emission tomography (PET) is an option to detect subclinical metastases, it does not provide phenotype information. Radiolabeled antibodies are able to specifically target expressed cell surface receptors. However, their long circulating half-lives (days) require labeling with long-lived isotopes, such as 89Zr, in order to allow sufficient time for tracer clearance from the blood compartment and to accumulate adequately in target tumors and, thus, generate high-quality PET images. The aim of this study was to develop a dual-tracer PET imaging approach consisting of a fast-clearing small molecule and a slow-clearing antibody. This approach was evaluated in a model consisting of mice harboring separate breast cancer xenografts with either an ER+/HER2- or ER-/HER2+ phenotype, comparable to human metastatic disease with intertumor heterogeneity. Lastly, the aim of our study was to determine the feasibility of specifically identifying these two important phenotypes in an acceptable time window. METHODS Female nude mice were subcutaneously implanted on opposite shoulders with the ER+/HER2- and ER-/HER2+ MCF-7 and JIMT-1 tumor cell lines, respectively. A second model was developed consisting of mice implanted orthotopically with either MCF-7 or JIMT-1 cells. Pharmacokinetic analysis, serial PET imaging, and biodistribution were first performed for [89Zr]Zr-DFO-trastuzumab (89Zr-T) up to 8 days post-injection (p.i.) in JIMT-1 bearing mice. Region-of-interest (ROI) and biodistribution-derived uptake (% injected-activity/gram of tissue [%IA/g]) values and tumor-to-background ratios were obtained. Results were compared in order to validate ROI and identify early time points that provided high contrast tumor images. For the dual-tracer approach, cohorts of tumor-bearing mice were then subjected to sequential tracer PET imaging. On day 1, mice were administered 4-fluoro-11β-methoxy-16α-[18F]-fluoroestradiol (4FMFES) which targets ER and imaged 45 min p.i. This was immediately followed by the injection of 89Zr-T. Mice were then imaged on day 3 or day 7. ROI analysis was performed, and uptake was calculated in tumors and selected healthy organs for all radiotracers. Quality of tumor targeting for all tracers was evaluated by tumor contrast visualization, tumor and normal tissue uptake, and tumor-to-background ratios. RESULTS 89Zr-T provided sufficiently high tumor and low background uptake values that furnished high contrast tumor images by 48 h p.i. For the dual-tracer approach, 4FMFES provided tumor uptake values that were significantly increased in MCF-7 tumors. When 89Zr-T-PET was combined with 18F-4FMFES-PET, the entire dual-tracer sequential-imaging procedure provided specific high-quality contrast images of ER+/HER2- MCF-7 and ER-/HER2+ JIMT-1 tumors for 4FMFES and 89Zr-T, respectively, as short as 72 h from start to finish. CONCLUSIONS This protocol can provide high contrast images of tumors expressing ER or HER2 within 3 days from injection of 4FMFES to final scan of 89Zr-T and, hence, provides a basis for future dual-tracer combinations that include antibodies.
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Affiliation(s)
- Michel Paquette
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke (Qc), J1H 5N4, Canada
| | - Serge Phoenix
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke (Qc), J1H 5N4, Canada
| | - Christine Lawson
- Department of Anatomy and Cell Biology, Université de Sherbrooke, Québec, Canada
| | - Brigitte Guérin
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke (Qc), J1H 5N4, Canada
- Sherbrooke Molecular Imaging Center, Université de Sherbrooke, Québec, Canada
- Sherbrooke Pharmacology Institute, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Québec, Canada
| | - Roger Lecomte
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke (Qc), J1H 5N4, Canada
- Sherbrooke Molecular Imaging Center, Université de Sherbrooke, Québec, Canada
- Sherbrooke Pharmacology Institute, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Québec, Canada
| | - Lee-Hwa Tai
- Department of Anatomy and Cell Biology, Université de Sherbrooke, Québec, Canada
| | - Éric E Turcotte
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke (Qc), J1H 5N4, Canada
- Sherbrooke Molecular Imaging Center, Université de Sherbrooke, Québec, Canada
| | - Jeffrey V Leyton
- Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke (Qc), J1H 5N4, Canada.
- Sherbrooke Molecular Imaging Center, Université de Sherbrooke, Québec, Canada.
- Sherbrooke Pharmacology Institute, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Québec, Canada.
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Gonda K, Negishi H, Takano-Kasuya M, Kitamura N, Furusawa N, Nakano Y, Hamada Y, Tokunaga M, Higuchi H, Tada H, Ishida T. Heterogeneous Drug Efficacy of an Antibody-Drug Conjugate Visualized Using Simultaneous Imaging of Its Delivery and Intracellular Damage in Living Tumor Tissues. Transl Oncol 2020; 13:100764. [PMID: 32403030 PMCID: PMC7218300 DOI: 10.1016/j.tranon.2020.100764] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/16/2020] [Indexed: 11/30/2022] Open
Abstract
Anticancer drug efficacy varies because the delivery of drugs within tumors and tumor responses are heterogeneous; however, these features are often more homogenous in vitro. This difference makes it difficult to accurately determine drug efficacy. Therefore, it is important to use living tumor tissues in preclinical trials to observe the heterogeneity in drug distribution and cell characteristics in tumors. In the present study, to accurately evaluate the efficacy of an antibody-drug conjugate (ADC) containing a microtubule inhibitor, we established a cell line that expresses a fusion of end-binding protein 1 and enhanced green fluorescent protein that serves as a microtubule plus-end-tracking protein allowing the visualization of microtubule dynamics. This cell line was xenografted into mice to create a model of living tumor tissue. The tumor cells possessed a greater number of microtubules with plus-ends, a greater number of meandering microtubules, and a slower rate of microtubule polymerization than the in vitro cells. In tumor tissues treated with fluorescent dye-labeled ADCs, heterogeneity was observed in the delivery of the drug to tumor cells, and microtubule dynamics were inhibited in a concentration-dependent manner. Moreover, a difference in drug sensitivity was observed between in vitro cells and tumor cells; compared with in vitro cells, tumor cells were more sensitive to changes in the concentration of the ADC. This study is the first to simultaneously evaluate the delivery and intracellular efficacy of ADCs in living tumor tissue. Accurate evaluation of the efficacy of ADCs is important for the development of effective anticancer drugs.
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Affiliation(s)
- Kohsuke Gonda
- Department of Medical Physics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan.
| | - Hiroshi Negishi
- Bio Systems Development Group, Bio Advanced Technology Division, Corporate R&D Headquarters, KONICAMINOLTA. INC., Hino, Tokyo, 191-8511, Japan
| | - Mayumi Takano-Kasuya
- Department of Medical Physics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Narufumi Kitamura
- Department of Medical Physics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Naoko Furusawa
- Bio Systems Development Group, Bio Advanced Technology Division, Corporate R&D Headquarters, KONICAMINOLTA. INC., Hino, Tokyo, 191-8511, Japan
| | - Yasushi Nakano
- Bio Systems Development Group, Bio Advanced Technology Division, Corporate R&D Headquarters, KONICAMINOLTA. INC., Hino, Tokyo, 191-8511, Japan
| | - Yoh Hamada
- Department of Gastroenterological Surgery, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8574, Japan
| | - Masayuki Tokunaga
- Department of Medical Physics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Hideo Higuchi
- Department of Physics, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
| | - Hiroshi Tada
- Department of Breast and Endocrine Surgical Oncology, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8574, Japan
| | - Takanori Ishida
- Department of Breast and Endocrine Surgical Oncology, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8574, Japan
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Irie H, Kawabata R, Fujioka Y, Nakagawa F, Itadani H, Nagase H, Ito K, Uchida J, Ohkubo S, Matsuo K. Acquired resistance to trastuzumab/pertuzumab or to T-DM1 in vivo can be overcome by HER2 kinase inhibition with TAS0728. Cancer Sci 2020; 111:2123-2131. [PMID: 32248641 PMCID: PMC7293079 DOI: 10.1111/cas.14407] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 03/11/2020] [Accepted: 03/22/2020] [Indexed: 01/25/2023] Open
Abstract
HER2‐targeting antibodies (trastuzumab, pertuzumab) and a HER2‐directed antibody‐drug conjugate (trastuzumab emtansine: T‐DM1) are used for the treatment of HER2‐overexpressing breast cancer. However, these treatments eventually become ineffective due to acquired resistance and there is an urgent need for alternative therapies. TAS0728 is a small‐molecule, irreversible selective HER2 kinase inhibitor. In the present study, we established new in vivo models of cancer resistance by continuous exposure to a combination of trastuzumab and pertuzumab or to T‐DM1 for evaluating the effect of TAS0728 on HER2 antibody‐resistant populations. Treatment with trastuzumab and pertuzumab or with T‐DM1 initially induced tumor regression in NCI‐N87 xenografts. However, tumor regrowth during treatment indicated loss of drug effectiveness. In tumors with acquired resistance to trastuzumab and pertuzumab or to T‐DM1, HER2‐HER3 phosphorylation was retained. Switching to TAS0728 resulted in a significant anti‐tumor effect associated with HER2‐HER3 signal inhibition. No alternative receptor tyrosine kinase activation was observed in these resistant tumors. Furthermore, in a patient‐derived xenograft model derived from breast cancer refractory to both trastuzumab/pertuzumab and T‐DM1, TAS0728 exerted a potent anti‐tumor effect. These results suggest that tumors with acquired resistance to trastuzumab and pertuzumab and to T‐DM1 are still dependent on oncogenic HER2‐HER3 signaling and are vulnerable to HER2 signal inhibition by TAS0728. These results provide a rationale for TAS0728 therapy for breast cancers that are refractory to established anti‐HER2 therapies.
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Affiliation(s)
- Hiroki Irie
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Japan
| | - Rumi Kawabata
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Yayoi Fujioka
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Japan
| | - Fumio Nakagawa
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Hiraku Itadani
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Japan
| | - Hideki Nagase
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Kimihiro Ito
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Japan
| | - Junji Uchida
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Shuichi Ohkubo
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Japan
| | - Kenichi Matsuo
- Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Japan
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A Novel Antibody-Drug Conjugate (ADC) Delivering a DNA Mono-Alkylating Payload to Chondroitin Sulfate Proteoglycan (CSPG4)-Expressing Melanoma. Cancers (Basel) 2020; 12:cancers12041029. [PMID: 32331483 PMCID: PMC7226475 DOI: 10.3390/cancers12041029] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/13/2020] [Accepted: 04/18/2020] [Indexed: 12/18/2022] Open
Abstract
Despite emerging targeted and immunotherapy treatments, no monoclonal antibodies or antibody-drug conjugates (ADCs) directly targeting tumor cells are currently approved for melanoma therapy. The tumor-associated antigen chondroitin sulphate proteoglycan 4 (CSPG4), a neural crest glycoprotein over-expressed on 70% of melanomas, contributes to proliferative signaling pathways, but despite highly tumor-selective expression it has not yet been targeted using ADCs. We developed a novel ADC comprising an anti-CSPG4 antibody linked to a DNA minor groove-binding agent belonging to the novel pyrridinobenzodiazepine (PDD) class. Unlike conventional DNA-interactive pyrrolobenzodiazepine (PBD) dimer payloads that cross-link DNA, PDD-based payloads are mono-alkylating agents but have similar efficacy and substantially enhanced tolerability profiles compared to PBD-based cross-linkers. We investigated the anti-tumor activity and safety of the anti-CSPG4-(PDD) ADC in vitro and in human melanoma xenografts. Anti-CSPG4-(PDD) inhibited CSPG4-expressing melanoma cell growth and colony formation and triggered apoptosis in vitro at low nanomolar to picomolar concentrations without off-target Fab-mediated or Fc-mediated toxicity. Anti-CSPG4-(PDD) restricted xenograft growth in vivo at 2 mg/kg doses. One 5 mg/kg injection triggered tumor regression in the absence of overt toxic effects or of acquired residual tumor cell resistance. This anti-CSPG4-(PDD) can deliver a highly cytotoxic DNA mono-alkylating payload to CSPG4-expressing tumors at doses tolerated in vivo.
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50
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Berko YA, Akala EO. Computer Optimization of Stealth Biodegradable Polymeric Dual-loaded Nanoparticles for Cancer Therapy Using Central Composite Face-centered Design. Pharm Nanotechnol 2020; 8:108-132. [PMID: 32091350 DOI: 10.2174/2211738508666200224110410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 01/03/2020] [Accepted: 02/04/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Combination chemotherapy capable of overcoming cancer drug resistance can be facilitated by nanotechnology. OBJECTIVE Synthesis, characterization, statistical experimental design, analysis and optimization of stealth pH-sensitive polymeric nanoparticles suitable as a platform for simultaneous delivery of paclitaxel and 17-AAG in breast cancer therapy were investigated. METHODS An acetal crosslinker and a poly(ɛ)caprolactone macromonomer were synthesized and characterized. The statistical experimental design used was the response surface method (RSM). We used the central composite face-centered design (CCF) in three independent factors and seventeen runs. Nanoparticles were fabricated by dispersion polymerization techniques. Response variables evaluated were: particle size, drug loading, encapsulation efficiency, and in vitro availability. RESULTS Scanning electron micrographs showed the formation of spherical nanoparticles. Computer software was used for the analysis of variance with a 95% confidence level and Q2 (goodness of prediction) to select an appropriate model for each of the response variables. Each term in each of the models was tested for the significance of the regression coefficients. The computer software optimizer was used for optimization to select factor combination to minimize particle size, time (h) for maximum release of paclitaxel and 17-AAG, to maximize paclitaxel and 17-AAG loading efficiency and to maximize paclitaxel and 17-AAG encapsulation efficiency. CONCLUSION The optimization was successful, as shown by the validation data which lie within the confidence intervals of predicted values of the response variables. The selected factor combination is suitable for the in vivo evaluation of the nanoparticles loaded with paclitaxel and 17-AAG.
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Affiliation(s)
- Yvonne A Berko
- Center for Drug Research and Development, Department of Pharmaceutical Sciences, College of Pharmacy, Howard University, 2300 4th Street, NW, Washington, DC 20059, United States
| | - Emmanuel O Akala
- Center for Drug Research and Development, Department of Pharmaceutical Sciences, College of Pharmacy, Howard University, 2300 4th Street, NW, Washington, DC 20059, United States
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