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Cochran M, Marks I, Albin T, Arias D, Kovach P, Darimont B, Huang H, Etxaniz U, Kwon HW, Shi Y, Diaz M, Tyaglo O, Levin A, Doppalapudi VR. Structure-Activity Relationship of Antibody-Oligonucleotide Conjugates: Evaluating Bioconjugation Strategies for Antibody-Phosphorodiamidate Morpholino Oligomer Conjugates for Drug Development. J Med Chem 2024. [PMID: 39197837 DOI: 10.1021/acs.jmedchem.4c00803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2024]
Abstract
Antibody-oligonucleotide conjugates (AOCs) are promising treatments for Duchenne muscular dystrophy (DMD). They work via induction of exon skipping and restoration of dystrophin protein in skeletal and heart muscles. The structure-activity relationships (SARs) of AOCs comprising antibody-phosphorodiamidate morpholino oligomers (PMOs) depend on several aspects of their component parts. We evaluate the SAR of antimouse transferrin receptor 1 antibody (αmTfR1)-PMO conjugates: cleavable and noncleavable linkers, linker location on the PMO, and the impact of drug-to-antibody ratios (DARs) on plasma pharmacokinetics (PK), oligonucleotide delivery to tissues, and exon skipping. AOCs containing a stable linker with a DAR9.7 were the most effective PMO delivery vehicles in preclinical studies. We demonstrate that αmTfR1-PMO conjugates induce dystrophin protein restoration in the skeletal and heart muscles of mdx mice. Our results show that αmTfR1-PMO conjugates are a potentially effective approach for the treatment of DMD.
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Affiliation(s)
- Michael Cochran
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Isaac Marks
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Tyler Albin
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Danny Arias
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Philip Kovach
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | | | - Hanhua Huang
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Usue Etxaniz
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Hae Won Kwon
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Yunyu Shi
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Matthew Diaz
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Olecya Tyaglo
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Arthur Levin
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
| | - Venkata Ramana Doppalapudi
- Avidity Biosciences, Inc., 10578 Science Center Drive Suite 125, San Diego, California 92121, United States
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Li Y, Mondaza-Hernandez JL, Moura DS, Revenko AS, Tolentino A, Nguyen JT, Tran N, Meyer CA, Merino-Garcia J, Ramos R, Di Lernia D, Martin-Broto J, Hayenga HN, Bleris L. STAT6-targeting antisense oligonucleotides against solitary fibrous tumor. MOLECULAR THERAPY. NUCLEIC ACIDS 2024; 35:102154. [PMID: 38511173 PMCID: PMC10950871 DOI: 10.1016/j.omtn.2024.102154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/13/2024] [Indexed: 03/22/2024]
Abstract
Solitary fibrous tumor (SFT) is a rare, non-hereditary soft tissue sarcoma thought to originate from fibroblastic mesenchymal stem cells. The etiology of SFT is thought to be due to an environmental intrachromosomal gene fusion between NGFI-A-binding protein 2 (NAB2) and signal transducer and activator protein 6 (STAT6) genes on chromosome 12, wherein the activation domain of STAT6 is fused with the DNA-binding domain of NAB2 resulting in the oncogenesis of SFT. All NAB2-STAT6 fusion variations discovered in SFTs contain the C-terminal of STAT6 transcript, and thus can serve as target site for antisense oligonucleotides (ASOs)-based therapies. Indeed, our in vitro studies show the STAT6 3' untranslated region (UTR)-targeting ASO (ASO 993523) was able to reduce expression of NAB2-STAT6 fusion transcripts in multiple SFT cell models with high efficiency (half-maximal inhibitory concentration: 116-300 nM). Encouragingly, in vivo treatment of SFT patient-derived xenograft mouse models with ASO 993523 resulted in acceptable tolerability profiles, reduced expression of NAB2-STAT6 fusion transcripts in xenograft tissues (21.9%), and, importantly, reduced tumor growth (32.4% decrease in tumor volume compared with the untreated control). Taken together, our study established ASO 993523 as a potential agent for the treatment of SFTs.
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Affiliation(s)
- Yi Li
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
- Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Jose L. Mondaza-Hernandez
- Health Research Institute Fundacion Jimenez Diaz, Universidad Autonoma de Madrid (IIS/FJD-UAM), 28049 Madrid, Spain
- University Hospital General de Villalba, 28400 Madrid, Spain
| | - David S. Moura
- Health Research Institute Fundacion Jimenez Diaz, Universidad Autonoma de Madrid (IIS/FJD-UAM), 28049 Madrid, Spain
| | - Alexey S. Revenko
- Department of Antisense Drug Discovery, Ionis Pharmaceuticals, Inc, Carlsbad, CA 92010, USA
| | - Angelica Tolentino
- Department of Antisense Drug Discovery, Ionis Pharmaceuticals, Inc, Carlsbad, CA 92010, USA
| | - John T. Nguyen
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
- Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Nam Tran
- Neurosurgical Oncology, Department of Neuro-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Clark A. Meyer
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Jose Merino-Garcia
- Pathology Department, University Hospital Fundacion Jimenez Diaz, Universidad Autonoma, Av. Reyes Catolicos 2, 28040 Madrid, Spain
| | - Rafael Ramos
- Pathology Department, University Hospital Son Espases, 07120 Palma de Mallorca, Spain
| | - Davide Di Lernia
- Health Research Institute Fundacion Jimenez Diaz, Universidad Autonoma de Madrid (IIS/FJD-UAM), 28049 Madrid, Spain
| | - Javier Martin-Broto
- Health Research Institute Fundacion Jimenez Diaz, Universidad Autonoma de Madrid (IIS/FJD-UAM), 28049 Madrid, Spain
- University Hospital General de Villalba, 28400 Madrid, Spain
- Medical Oncology Department, University Hospital Fundacion Jimenez Diaz, 28040 Madrid, Spain
| | - Heather N. Hayenga
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Leonidas Bleris
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
- Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA
- Department of Biological Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
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3
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Dankar R, Wehbi J, Refaat MM. Tailoring Treatment in Cardiovascular Diseases: The Role of Targeted Therapies. Pharmaceutics 2024; 16:461. [PMID: 38675122 PMCID: PMC11054164 DOI: 10.3390/pharmaceutics16040461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/19/2024] [Accepted: 03/23/2024] [Indexed: 04/28/2024] Open
Abstract
Cardiovascular diseases (CVDs) remain the leading cause of morbidity and mortality around the globe. To address this public health burden, innovative therapeutic agents are being developed to specifically target molecular and genetic markers. Various therapeutic modalities have been implemented, including vaccines, monoclonal or bispecific antibodies, and gene-based therapies. Such drugs precisely target the underlying disease pathophysiology, aiming at notable molecules such as lipid metabolism regulators, proinflammatory cytokines, and growth factors. This review focuses on the latest advancements in different targeted therapies. It provides an insightful overview of the current landscape of targeted cardiovascular therapies, highlighting promising strategies with potential to transform the treatment of CVDs into an era of precision medicine.
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Affiliation(s)
- Razan Dankar
- Department of Biochemistry and Molecular Genetics, American University of Beirut Faculty of Medicine and Medical Center, Beirut P.O. Box 11-0236, Lebanon; (R.D.); (J.W.)
- Department of Internal Medicine, Division of Cardiology, American University of Beirut Faculty of Medicine and Medical Center, Beirut P.O. Box 11-0236, Lebanon
| | - Jad Wehbi
- Department of Biochemistry and Molecular Genetics, American University of Beirut Faculty of Medicine and Medical Center, Beirut P.O. Box 11-0236, Lebanon; (R.D.); (J.W.)
- Department of Internal Medicine, Division of Cardiology, American University of Beirut Faculty of Medicine and Medical Center, Beirut P.O. Box 11-0236, Lebanon
| | - Marwan M. Refaat
- Department of Biochemistry and Molecular Genetics, American University of Beirut Faculty of Medicine and Medical Center, Beirut P.O. Box 11-0236, Lebanon; (R.D.); (J.W.)
- Department of Internal Medicine, Division of Cardiology, American University of Beirut Faculty of Medicine and Medical Center, Beirut P.O. Box 11-0236, Lebanon
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Jones CH, Androsavich JR, So N, Jenkins MP, MacCormack D, Prigodich A, Welch V, True JM, Dolsten M. Breaking the mold with RNA-a "RNAissance" of life science. NPJ Genom Med 2024; 9:2. [PMID: 38195675 PMCID: PMC10776758 DOI: 10.1038/s41525-023-00387-4] [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: 07/06/2023] [Accepted: 12/07/2023] [Indexed: 01/11/2024] Open
Abstract
In the past decade, RNA therapeutics have gone from being a promising concept to one of the most exciting frontiers in healthcare and pharmaceuticals. The field is now entering what many call a renaissance or "RNAissance" which is being fueled by advances in genetic engineering and delivery systems to take on more ambitious development efforts. However, this renaissance is occurring at an unprecedented pace, which will require a different way of thinking if the field is to live up to its full potential. Recognizing this need, this article will provide a forward-looking perspective on the field of RNA medical products and the potential long-term innovations and policy shifts enabled by this revolutionary and game-changing technological platform.
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Affiliation(s)
| | | | - Nina So
- Pfizer, 66 Hudson Boulevard, New York, NY, 10018, USA
| | | | | | | | - Verna Welch
- Pfizer, 66 Hudson Boulevard, New York, NY, 10018, USA
| | - Jane M True
- Pfizer, 66 Hudson Boulevard, New York, NY, 10018, USA.
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Kita Y, Okuzaki Y, Naoe Y, Lee J, Bang U, Okawa N, Ichiki A, Jonouchi T, Sakurai H, Kojima Y, Hotta A. Dual CRISPR-Cas3 system for inducing multi-exon skipping in DMD patient-derived iPSCs. Stem Cell Reports 2023; 18:1753-1765. [PMID: 37625413 PMCID: PMC10545483 DOI: 10.1016/j.stemcr.2023.07.007] [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: 10/03/2022] [Revised: 07/30/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
To restore dystrophin protein in various mutation patterns of Duchenne muscular dystrophy (DMD), the multi-exon skipping (MES) approach has been investigated. However, only limited techniques are available to induce a large deletion to cover the target exons spread over several hundred kilobases. Here, we utilized the CRISPR-Cas3 system for MES induction and showed that dual crRNAs could induce a large deletion at the dystrophin exon 45-55 region (∼340 kb), which can be applied to various types of DMD patients. We developed a two-color SSA-based reporter system for Cas3 to enrich the genome-edited cell population and demonstrated that MES induction restored dystrophin protein in DMD-iPSCs with three distinct mutations. Whole-genome sequencing and distance analysis detected no significant off-target deletion near the putative crRNA binding sites. Altogether, dual CRISPR-Cas3 is a promising tool to induce a gigantic genomic deletion and restore dystrophin protein via MES induction.
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Affiliation(s)
- Yuto Kita
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yuya Okuzaki
- Nagoya University Graduate School of Bioagricultural Sciences, Avian Bioscience Research Center, Furo-cho, Chikusa-ku, Nagoya, Aishi 464-8601, Japan
| | - Youichi Naoe
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Joseph Lee
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Uikyu Bang
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Natsumi Okawa
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Akane Ichiki
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Tatsuya Jonouchi
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hidetoshi Sakurai
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yusuke Kojima
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Akitsu Hotta
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan; Takeda-CiRA Joint Program (T-CiRA), Fujisawa, Kanagawa 251-8555, Japan.
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6
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Li Y, Nguyen JT, Ammanamanchi M, Zhou Z, Harbut EF, Mondaza-Hernandez JL, Meyer CA, Moura DS, Martin-Broto J, Hayenga HN, Bleris L. Reduction of Tumor Growth with RNA-Targeting Treatment of the NAB2-STAT6 Fusion Transcript in Solitary Fibrous Tumor Models. Cancers (Basel) 2023; 15:3127. [PMID: 37370737 DOI: 10.3390/cancers15123127] [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: 05/02/2023] [Revised: 06/05/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Solitary fibrous tumor (SFT) is a rare soft-tissue sarcoma. This nonhereditary cancer is the result of an environmental intrachromosomal gene fusion between NAB2 and STAT6 on chromosome 12, which fuses the activation domain of STAT6 with the repression domain of NAB2. Currently there is not an approved chemotherapy regimen for SFTs. The best response on available pharmaceuticals is a partial response or stable disease for several months. The purpose of this study is to investigate the potential of RNA-based therapies for the treatment of SFTs. Specifically, in vitro SFT cell models were engineered to harbor the characteristic NAB2-STAT6 fusion using the CRISPR/SpCas9 system. Cell migration as well as multiple cancer-related signaling pathways were increased in the engineered cells as compared to the fusion-absent parent cells. The SFT cell models were then used for evaluating the targeting efficacies of NAB2-STAT6 fusion-specific antisense oligonucleotides (ASOs) and CRISPR/CasRx systems. Our results showed that fusion specific ASO treatments caused a 58% reduction in expression of fusion transcripts and a 22% reduction in cell proliferation after 72 h in vitro. Similarly, the AAV2-mediated CRISPR/CasRx system led to a 59% reduction in fusion transcript expressions in vitro, and a 55% reduction in xenograft growth after 29 days ex vivo.
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Affiliation(s)
- Yi Li
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
- Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA
| | - John T Nguyen
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
- Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA
| | | | - Zikun Zhou
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
- Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Elijah F Harbut
- Department of Chemistry and Biochemistry, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Jose L Mondaza-Hernandez
- Health Research Institute Fundacion Jimenez Diaz, Universidad Autonoma de Madrid (IIS/FJD-UAM), 28049 Madrid, Spain
- University Hospital General de Villalba, 28400 Madrid, Spain
| | - Clark A Meyer
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
| | - David S Moura
- Health Research Institute Fundacion Jimenez Diaz, Universidad Autonoma de Madrid (IIS/FJD-UAM), 28049 Madrid, Spain
| | - Javier Martin-Broto
- Health Research Institute Fundacion Jimenez Diaz, Universidad Autonoma de Madrid (IIS/FJD-UAM), 28049 Madrid, Spain
- University Hospital General de Villalba, 28400 Madrid, Spain
- Medical Oncology Department, University Hospital Fundación Jimenez Diaz, 28040 Madrid, Spain
| | - Heather N Hayenga
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Leonidas Bleris
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, USA
- Center for Systems Biology, University of Texas at Dallas, Richardson, TX 75080, USA
- Department of Biological Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
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Bafleh WS, Abdulsamad HMR, Al-Qaraghuli SM, El Khatib RY, Elbahrawi RT, Abdukadir AM, Alsawae SM, Dimassi Z, Hamdan H, Kashir J. Applications of advances in mRNA-based platforms as therapeutics and diagnostics in reproductive technologies. Front Cell Dev Biol 2023; 11:1198848. [PMID: 37305677 PMCID: PMC10250609 DOI: 10.3389/fcell.2023.1198848] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/18/2023] [Indexed: 06/13/2023] Open
Abstract
The recent COVID-19 pandemic led to many drastic changes in not only society, law, economics, but also in science and medicine, marking for the first time when drug regulatory authorities cleared for use mRNA-based vaccines in the fight against this outbreak. However, while indeed representing a novel application of such technology in the context of vaccination medicine, introducing RNA into cells to produce resultant molecules (proteins, antibodies, etc.) is not a novel principle. It has been common practice to introduce/inject mRNA into oocytes and embryos to inhibit, induce, and identify several factors in a research context, while such aspects have also been proposed as potential therapeutic and diagnostic applications to combat infertility in humans. Herein, we describe key areas where mRNA-based platforms have thus far represented potential areas of clinical applications, describing the advantages and limitations of such applications. Finally, we also discuss how recent advances in mRNA-based platforms, driven by the recent pandemic, may stand to benefit the treatment of infertility in humans. We also present brief future directions as to how we could utilise recent and current advancements to enhance RNA therapeutics within reproductive biology, specifically with relation to oocyte and embryo delivery.
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Affiliation(s)
- Wjdan S. Bafleh
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Haia M. R. Abdulsamad
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Sally M. Al-Qaraghuli
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Riwa Y. El Khatib
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Rawdah Taha Elbahrawi
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Azhar Mohamud Abdukadir
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | | | - Zakia Dimassi
- Department of Pediatrics, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Hamdan Hamdan
- Department of Physiology and Immunology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
- Healthcare Engineering Innovation Center (HEIC), Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Junaid Kashir
- Department of Biology, College of Arts and Science, Khalifa University, Abu Dhabi, United Arab Emirates
- Department of Comparative Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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