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Wang L, Yang H, Wang C, Wang M, Huang J, Nyunt T, Osorio C, Sun SY, Pacifici M, Lefebvre V, Moore DC, Wang S, Yang W. SHP2 ablation mitigates osteoarthritic cartilage degeneration by promoting chondrocyte anabolism through SOX9. FASEB J 2024; 38:e70013. [PMID: 39225365 PMCID: PMC11404350 DOI: 10.1096/fj.202400642r] [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: 03/23/2024] [Revised: 07/21/2024] [Accepted: 08/13/2024] [Indexed: 09/04/2024]
Abstract
Articular cartilage phenotypic homeostasis is crucial for life-long joint function, but the underlying cellular and molecular mechanisms governing chondrocyte stability remain poorly understood. Here, we show that the protein tyrosine phosphatase SHP2 is differentially expressed in articular cartilage (AC) and growth plate cartilage (GPC) and that it negatively regulates cell proliferation and cartilage phenotypic program. Postnatal SHP2 deletion in Prg4+ AC chondrocytes increased articular cellularity and thickness, whereas SHP2 deletion in Acan+ pan-chondrocytes caused excessive GPC chondrocyte proliferation and led to joint malformation post-puberty. These observations were verified in mice and in cultured chondrocytes following treatment with the SHP2 PROTAC inhibitor SHP2D26. Further mechanistic studies indicated that SHP2 negatively regulates SOX9 stability and transcriptional activity by influencing SOX9 phosphorylation and promoting its proteasome degradation. In contrast to published work, SHP2 ablation in chondrocytes did not impact IL-1-evoked inflammation responses, and SHP2's negative regulation of SOX9 could be curtailed by genetic or chemical SHP2 inhibition, suggesting that manipulating SHP2 signaling has translational potential for diseases of cartilage dyshomeostasis.
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Affiliation(s)
- Lijun Wang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Huiliang Yang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Changwei Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Mingliang Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Jiahui Huang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Thedoe Nyunt
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Camilo Osorio
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Shi-Yong Sun
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Maurizio Pacifici
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Véronique Lefebvre
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Douglas C Moore
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Shaomeng Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Wentian Yang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
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Miao J, Zhang ZY. Drugging Protein Tyrosine Phosphatases through Targeted Protein Degradation. ChemMedChem 2024; 19:e202300669. [PMID: 38233347 PMCID: PMC11021144 DOI: 10.1002/cmdc.202300669] [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: 11/29/2023] [Revised: 12/22/2023] [Accepted: 01/17/2024] [Indexed: 01/19/2024]
Abstract
Protein tyrosine phosphatases (PTPs) are an important class of enzymes that regulate protein tyrosine phosphorylation levels of a large variety of proteins in cells. Anomalies in protein tyrosine phosphorylation have been associated with the development of numerous human diseases, leading to a heightened interest in PTPs as promising targets for drug development. However, therapeutic targeting of PTPs has faced skepticism about their druggability. Besides the conventional small molecule inhibitors, proteolysis-targeting chimera (PROTAC) technology offers an alternative approach to target PTPs. PROTAC molecules utilize the ubiquitin-proteasome system to degrade specific proteins and have unique advantages compared with inhibitors: 1) PROTACs are highly efficient and can work at much lower concentrations than that expected based on their biophysical binding affinity; 2) PROTACs may achieve higher selectivity for the targeted protein than that dictated by their binding affinity alone; and 3) PROTACs may engage any region of the target protein in addition to the functional site. This review focuses on the latest advancement in the development of targeted PTP degraders and deliberates on the obstacles and prospective paths of harnessing this technology for therapeutic targeting of the PTPs.
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Affiliation(s)
- Jinmin Miao
- Borch Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, 720 Clinic Drive, West Lafayette, IN 47907, USA
| | - Zhong-Yin Zhang
- Borch Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, 720 Clinic Drive, West Lafayette, IN 47907, USA
- Department of Chemistry, 560 Oval Drive, West Lafayette, IN 47907, USA
- Institute for Cancer Research, Purdue University, 201 S. University Street, West Lafayette, IN 47907, USA
- Institute for Drug Discovery, Purdue University, 720 Clinic Drive, West Lafayette, IN 47907, USA
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Wang L, Xu L, Han S, Zhu X. Anlotinib Inhibits Cisplatin Resistance in Non-Small-Cell Lung Cancer Cells by Inhibiting MCL-1 Expression via MET/STAT3/Akt Pathway. Can Respir J 2024; 2024:2632014. [PMID: 38468814 PMCID: PMC10927342 DOI: 10.1155/2024/2632014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 10/10/2023] [Accepted: 02/08/2024] [Indexed: 03/13/2024] Open
Abstract
Background Anlotinib is an effective targeted therapy for advanced non-small-cell lung cancer (NSCLC) and has been found to mediate chemoresistance in many cancers. However, the underlying molecular mechanism of anlotinib mediates cisplatin (DDP) resistance in NSCLC remains unclear. Methods Cell viability was assessed by the cell counting kit 8 assay. Cell proliferation, migration, and invasion were determined using the colony formation assay and transwell assay. The mRNA expression levels of mesenchymal-epithelial transition factor (MET) and myeloid cell leukemia-1 (MCL-1) were measured by quantitative real-time PCR. Protein expression levels of MET, MCL-1, and STAT3/Akt pathway-related markers were examined using western blot analysis. Results Our data showed that anlotinib inhibited the DDP resistance of NSCLC cells by regulating cell proliferation and metastasis. Moreover, MET and MCL-1 expression could be decreased by anlotinib treatment. Silencing of MET suppressed the activity of the STAT3/Akt pathway and MCL-1 expression. Furthermore, MET overexpression reversed the inhibitory effect of anlotinib on the DDP resistance of NSCLC cells, and this effect could be eliminated by MCL-1 knockdown or ACT001 (an inhibitor for STAT3/Akt pathway). Conclusion Our results confirmed that anlotinib inhibited DDP resistance in NSCLC cells, which might decrease MCL-1 expression via mediating the MET/STAT3/Akt pathway.
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Affiliation(s)
- Lile Wang
- Department of Respiratory Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
- School of Medicine, Southeast University, Nanjing 210009, China
| | - Lu Xu
- Department of Respiratory Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
- School of Medicine, Southeast University, Nanjing 210009, China
| | - Shuhua Han
- Department of Respiratory Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
- School of Medicine, Southeast University, Nanjing 210009, China
| | - Xiaoli Zhu
- Department of Respiratory Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
- School of Medicine, Southeast University, Nanjing 210009, China
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Hoffman M, Cheah KMH, Wittrup KD. A Novel Gain-of-Signal Assay to Detect Targeted Protein Degradation. ACS Synth Biol 2024; 13:220-229. [PMID: 38171010 DOI: 10.1021/acssynbio.3c00447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Targeted protein degradation offers a promising avenue for expanding therapeutic development to previously inaccessible proteins of interest by regulating the target abundance rather than activity. However, current methods to screen for effective degraders serve as major bottlenecks for the development of degrader therapies. Here, we develop a novel assay platform for identification and characterization of macromolecules capable of inducing targeted degradation of oncogenic phosphatase SHP2. Unlike traditional reporter assays that utilize loss-of-signal readouts to detect degradation, our assay platform expresses a robust fluorescence signal in response to the depletion of a target protein and incorporates additional measures intended to prevent undesirable false positives. Using this gain-of-signal assay, we successfully identified novel macromolecule SHP2 degraders from a screen of 192 candidates and proposed design principles for further development of macromolecule degraders. This work demonstrates a proof of concept for gain-of-signal assays as a tool for screening targeted degrader candidates.
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Affiliation(s)
- Megan Hoffman
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Keith Ming Hong Cheah
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - K Dane Wittrup
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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Sodir NM, Pathria G, Adamkewicz JI, Kelley EH, Sudhamsu J, Merchant M, Chiarle R, Maddalo D. SHP2: A Pleiotropic Target at the Interface of Cancer and Its Microenvironment. Cancer Discov 2023; 13:2339-2355. [PMID: 37682219 PMCID: PMC10618746 DOI: 10.1158/2159-8290.cd-23-0383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 06/20/2023] [Accepted: 07/27/2023] [Indexed: 09/09/2023]
Abstract
The protein phosphatase SHP2/PTPN11 has been reported to be a key modulator of proliferative pathways in a wide range of malignancies. Intriguingly, SHP2 has also been described as a critical regulator of the tumor microenvironment. Based on this evidence SHP2 is considered a multifaceted target in cancer, spurring the notion that the development of direct inhibitors of SHP2 would provide the twofold benefit of tumor intrinsic and extrinsic inhibition. In this review, we will discuss the role of SHP2 in cancer and the tumor microenvironment, and the clinical strategies in which SHP2 inhibitors are leveraged as combination agents to improve therapeutic response. SIGNIFICANCE The SHP2 phosphatase functions as a pleiotropic factor, and its inhibition not only hinders tumor growth but also reshapes the tumor microenvironment. Although their single-agent activity may be limited, SHP2 inhibitors hold the potential of being key combination agents to enhance the depth and the durability of tumor response to therapy.
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Affiliation(s)
- Nicole M. Sodir
- Department of Translational Oncology, Genentech, South San Francisco, California
| | - Gaurav Pathria
- Department of Oncology Biomarker Development, Genentech, South San Francisco, California
| | | | - Elizabeth H. Kelley
- Department of Discovery Chemistry, Genentech, South San Francisco, California
| | - Jawahar Sudhamsu
- Department of Structural Biology, Genentech, South San Francisco, California
| | - Mark Merchant
- Department of Translational Oncology, Genentech, South San Francisco, California
| | - Roberto Chiarle
- Department of Pathology, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Danilo Maddalo
- Department of Translational Oncology, Genentech, South San Francisco, California
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Miao J, Bai Y, Miao Y, Qu Z, Dong J, Zhang RY, Aggarwal D, Jassim BA, Nguyen Q, Zhang ZY. Discovery of a SHP2 Degrader with In Vivo Anti-Tumor Activity. Molecules 2023; 28:6947. [PMID: 37836790 PMCID: PMC10574094 DOI: 10.3390/molecules28196947] [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: 09/04/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
Src homology 2 domain-containing phosphatase 2 (SHP2) is an attractive target for cancer therapy due to its multifaceted roles in both tumor and immune cells. Herein, we designed and synthesized a novel series of proteolysis targeting chimeras (PROTACs) using a SHP2 allosteric inhibitor as warhead, with the goal of achieving SHP2 degradation both inside the cell and in vivo. Among these molecules, compound P9 induces efficient degradation of SHP2 (DC50 = 35.2 ± 1.5 nM) in a concentration- and time-dependent manner. Mechanistic investigation illustrates that the P9-mediated SHP2 degradation requires the recruitment of the E3 ligase and is ubiquitination- and proteasome-dependent. P9 shows improved anti-tumor activity in a number of cancer cell lines over its parent allosteric inhibitor. Importantly, administration of P9 leads to a nearly complete tumor regression in a xenograft mouse model, as a result of robust SHP2 depletion and suppression of phospho-ERK1/2 in the tumor. Hence, P9 represents the first SHP2 PROTAC molecule with excellent in vivo efficacy. It is anticipated that P9 could serve not only as a new chemical tool to interrogate SHP2 biology but also as a starting point for the development of novel therapeutics targeting SHP2.
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Affiliation(s)
- Jinmin Miao
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Yunpeng Bai
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Yiming Miao
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Zihan Qu
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; (Z.Q.); (Q.N.)
| | - Jiajun Dong
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Ruo-Yu Zhang
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Devesh Aggarwal
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Brenson A. Jassim
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Quyen Nguyen
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; (Z.Q.); (Q.N.)
| | - Zhong-Yin Zhang
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; (Z.Q.); (Q.N.)
- Institute for Cancer Research, Purdue University, West Lafayette, IN 47907, USA
- Institute for Drug Discovery, Purdue University, West Lafayette, IN 47907, USA
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Liang H, Zhang L, Rong J. Potential roles of exosomes in the initiation and metastatic progression of lung cancer. Biomed Pharmacother 2023; 165:115222. [PMID: 37549459 DOI: 10.1016/j.biopha.2023.115222] [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: 05/09/2023] [Revised: 07/17/2023] [Accepted: 07/23/2023] [Indexed: 08/09/2023] Open
Abstract
Lung cancer (LC) incidence and mortality continue to increase annually worldwide. LC is insidious and readily metastasizes and relapses. Except for its early diagnosis and surgical resection, there is no effective cure for advanced metastatic LC, and the prognosis remains dismal. Exosomes, a class of nano-sized extracellular vesicles produced by healthy or diseased cells, are coated with a bilayer lipid membrane and contain various functional molecules such as proteins, lipids, and nucleic acids. They can be used for intracellular or intercellular signaling or the transportation of biological substances. A growing body of evidence supports that exosomes play multiple crucial roles in the occurrence and metastatic progression of many malignancies, including LC. The elucidation of the potential roles of exosomes in the initiation, invasion, and metastasis of LC and their underlying molecular mechanisms may contribute to improved early diagnosis and treatment.
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Affiliation(s)
- Hongyuan Liang
- Department of Radiology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang 110004, PR China
| | - Lingyun Zhang
- Department of Medical Oncology, the First Hospital of China Medical University, No. 210 Baita Street, Hunnan District, Shenyang 110001, PR China.
| | - Jian Rong
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang 110004, PR China.
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Li JW, Zheng G, Kaye FJ, Wu L. PROTAC therapy as a new targeted therapy for lung cancer. Mol Ther 2023; 31:647-656. [PMID: 36415148 PMCID: PMC10014230 DOI: 10.1016/j.ymthe.2022.11.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/01/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022] Open
Abstract
Despite recent advances in molecular therapeutics, lung cancer is still a leading cause of cancer deaths. Currently, limited targeted therapy options and acquired drug resistance present significant barriers in the treatment of patients with lung cancer. New strategies in drug development, including those that take advantage of the intracellular ubiquitin-proteasome system to induce targeted protein degradation, have the potential to advance the field of personalized medicine for patients with lung cancer. Specifically, small molecule proteolysis targeting chimeras (PROTACs), consisting of two ligands connected by a linker that bind to a target protein and an E3 ubiquitin ligase, have been developed against many cancer targets, providing promising opportunities for advanced lung cancer. In this review, we focus on the rationale for PROTAC therapy as a new targeted therapy and the current status of PROTAC development in lung cancer.
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Affiliation(s)
- Jennifer W Li
- Department of Medicine, Brown University, Providence, RI 02912, USA
| | - Guangrong Zheng
- Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA; UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
| | - Frederic J Kaye
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA; Department of Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA; UF Genetics Institute, University of Florida, Gainesville, FL 32610, USA.
| | - Lizi Wu
- UF Health Cancer Center, University of Florida, Gainesville, FL 32610, USA; UF Genetics Institute, University of Florida, Gainesville, FL 32610, USA; Department of Molecular Genetics and Microbiology, College of Medicine, University of Florida, Gainesville, FL 32610, USA.
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