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Li LX, Nissly RH, Swaminathan A, Bird IM, Boyle NR, Nair MS, Greenawalt DI, Gontu A, Cavener VS, Sornberger T, Freihaut JD, Kuchipudi SV, Bahnfleth WP. Inactivation of HCoV-NL63 and SARS-CoV-2 in aqueous solution by 254 nm UV-C. J Photochem Photobiol B 2023; 245:112755. [PMID: 37423001 DOI: 10.1016/j.jphotobiol.2023.112755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/29/2023] [Accepted: 07/03/2023] [Indexed: 07/11/2023]
Abstract
Ultraviolet germicidal irradiation (UVGI) is a highly effective means of inactivating many bacteria, viruses, and fungi. UVGI is an attractive viral mitigation strategy against coronaviruses, including the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the cause of the coronavirus disease-2019 (COVID-19) pandemic. This investigation measures the susceptibility of two human coronaviruses to inactivation by 254 nm UV-C radiation. Human coronavirus NL63 and SARS-CoV-2 were irradiated in a collimated, dual-beam, aqueous UV reactor. By measuring fluence and integrating it in real-time, this reactor accounts for the lamp output transients during UVGI exposures. The inactivation rate constants of a one-stage exponential decay model were determined to be 2.050 cm2/mJ and 2.098 cm2/mJ for the NL63 and SARS-CoV-2 viruses, respectively. The inactivation rate constant for SARS-CoV-2 is within 2% of that of NL63, indicating that in identical inactivation environments, very similar UV 254 nm deactivation susceptibilities for these two coronaviruses would be achieved. Given the inactivation rate constant obtained in this study, doses of 1.1 mJ/cm2, 2.2 mJ/cm2, and 3.3 mJ/cm2 would result in a 90%, 99%, and 99.9% inactivation of the SARS-CoV-2 virus, respectively. The inactivation rate constant obtained in this study is significantly higher than values reported from many 254 nm studies, which suggests greater UV susceptibility to the UV-C than what was believed. Overall, results from this study indicate that 254 nm UV-C is effective for inactivation of human coronaviruses, including SARS-CoV-2.
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Affiliation(s)
- Lily X Li
- Pennsylvania State University, Department of Architectural Engineering, 104 Engineering Unit A, University Park, PA, 16802, United States of America
| | - Ruth H Nissly
- Pennsylvania State University, Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, University Park, PA 16802, United States of America
| | - Anand Swaminathan
- Pennsylvania State University, Department of Architectural Engineering, 104 Engineering Unit A, University Park, PA, 16802, United States of America
| | - Ian M Bird
- Pennsylvania State University, Huck Institutes of the Life Sciences, University Park, PA 16802, United States of America
| | - Nina R Boyle
- Pennsylvania State University, Huck Institutes of the Life Sciences, University Park, PA 16802, United States of America
| | - Meera Surendran Nair
- Pennsylvania State University, Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, University Park, PA 16802, United States of America
| | - Denver I Greenawalt
- Pennsylvania State University, Huck Institutes of the Life Sciences, University Park, PA 16802, United States of America
| | - Abhinay Gontu
- Pennsylvania State University, Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, University Park, PA 16802, United States of America
| | - Victoria S Cavener
- Pennsylvania State University, Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, University Park, PA 16802, United States of America
| | - Ty Sornberger
- Pennsylvania State University, Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, University Park, PA 16802, United States of America
| | - James D Freihaut
- Pennsylvania State University, Department of Architectural Engineering, 104 Engineering Unit A, University Park, PA, 16802, United States of America.
| | - Suresh V Kuchipudi
- Pennsylvania State University, Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, University Park, PA 16802, United States of America; Pennsylvania State University, Huck Institutes of the Life Sciences, University Park, PA 16802, United States of America.
| | - William P Bahnfleth
- Pennsylvania State University, Department of Architectural Engineering, 104 Engineering Unit A, University Park, PA, 16802, United States of America.
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Vijay A, Boyle NR, Kumar SM, Perdew GH, Srinivasan S, Patterson AD. Aryl hydrocarbon receptor activation affects nitrergic neuronal survival and delays intestinal motility in mice. Toxicol Sci 2023; 192:117-128. [PMID: 36782369 PMCID: PMC10025877 DOI: 10.1093/toxsci/kfad014] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
Despite progress describing the effects of persistent organic pollutants (POPs) on the central nervous system, the effect of POPs on enteric nervous system (ENS) function remains underexplored. We studied the effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a POP, and a potent aryl hydrocarbon receptor (AHR) ligand, on the ENS and intestinal motility in mice. C57Bl/6J mice treated with TCDD (2.4 µg/kg body weight) for 8 weeks (once per week) exhibited significant delay in intestinal motility as shown by reduced stool frequency, prolonged intestinal transit time, and a persistence of dye in the jejunum compared to control mice with maximal dye retention in the ileum. TCDD significantly increased Cyp1a1 expression, an AHR target gene, and reduced the total number of neurons and affected nitrergic neurons in cells isolated from WT mice, but not Ahr-/- mice. In immortalized fetal enteric neuronal cells, TCDD-induced nuclear translocation of AHR as well as increased Cyp1a1 expression. AHR activation did not affect neuronal proliferation. However, AHR activation resulted in enteric neuronal toxicity, specifically, nitrergic neurons. Our results demonstrate that TCDD adversely affects nitrergic neurons and thereby contributes to delayed intestinal motility. These findings suggest that AHR signaling in the ENS may play a role in modulating TCDD-induced gastrointestinal pathophysiology.
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Affiliation(s)
- Anitha Vijay
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - Nina R Boyle
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - Supriya M Kumar
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - Gary H Perdew
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - Shanthi Srinivasan
- Department of Digestive Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Atlanta VA Medical Center, Decatur, Georgia, USA
| | - Andrew D Patterson
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
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Mabrouk MT, Chiem K, Rujas E, Huang WC, Jahagirdar D, Quinn B, Surendran Nair M, Nissly RH, Cavener VS, Boyle NR, Sornberger TA, Kuchipudi SV, Ortega J, Julien JP, Martinez-Sobrido L, Lovell J. Lyophilized, thermostable Spike or RBD immunogenic liposomes induce protective immunity against SARS-CoV-2 in mice. Sci Adv 2021; 7:eabj1476. [PMID: 34851667 PMCID: PMC8635435 DOI: 10.1126/sciadv.abj1476] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 10/12/2021] [Indexed: 05/22/2023]
Abstract
The COVID-19 pandemic has spurred interest in potent and thermostable SARS-CoV-2 vaccines. Here, we assess low-dose immunization with lyophilized nanoparticles decorated with recombinant SARS-CoV-2 antigens. The SARS-CoV-2 Spike glycoprotein or its receptor-binding domain (RBD; mouse vaccine dose, 0.1 μg) was displayed on liposomes incorporating a particle-inducing lipid, cobalt porphyrin-phospholipid (dose, 0.4 μg), along with monophosphoryl lipid A (dose, 0.16 μg) and QS-21 (dose, 0.16 μg). Following optimization of lyophilization conditions, Spike or RBD-decorated liposomes were effectively reconstituted and maintained conformational capacity for binding human angiotensin-converting enzyme 2 (hACE2) for at least a week when stored at 60°C in lyophilized but not liquid format. Prime-boost intramuscular vaccination of hACE2-transgenic mice with the reconstituted vaccine formulations induced effective antibody responses that inhibited RBD binding to hACE2 and neutralized pseudotyped and live SARS-CoV-2. Two days following viral challenge, immunized transgenic mice cleared the virus and were fully protected from lethal disease.
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Affiliation(s)
- Moustafa T. Mabrouk
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Kevin Chiem
- Texas Biomedical Research Institute, San Antonio, TX 78227, USA
| | - Edurne Rujas
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON, Canada
- Biofisika Institute (CSIC, UPV/EHU) and Department of Biochemistry and Molecular Biology, University of the Basque Country (UPV/EHU), Bilbao, Spain
| | - Wei-Chiao Huang
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Dushyant Jahagirdar
- Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec H3A 0C7, Canada
| | - Breandan Quinn
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | - Meera Surendran Nair
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Ruth H. Nissly
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Victoria S. Cavener
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Nina R. Boyle
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Ty A. Sornberger
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Suresh V. Kuchipudi
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Joaquin Ortega
- Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec H3A 0C7, Canada
| | - Jean-Philippe Julien
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON, Canada
- Departments of Biochemistry and Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | | | - Jonathan Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
- Corresponding author.
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4
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Chen C, Boorla VS, Banerjee D, Chowdhury R, Cavener VS, Nissly RH, Gontu A, Boyle NR, Vandegrift K, Nair MS, Kuchipudi SV, Maranas CD. Computational prediction of the effect of amino acid changes on the binding affinity between SARS-CoV-2 spike RBD and human ACE2. Proc Natl Acad Sci U S A 2021; 118:e2106480118. [PMID: 34588290 PMCID: PMC8594574 DOI: 10.1073/pnas.2106480118] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2021] [Indexed: 01/22/2023] Open
Abstract
The association of the receptor binding domain (RBD) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein with human angiotensin-converting enzyme 2 (hACE2) represents the first required step for cellular entry. SARS-CoV-2 has continued to evolve with the emergence of several novel variants, and amino acid changes in the RBD have been implicated with increased fitness and potential for immune evasion. Reliably predicting the effect of amino acid changes on the ability of the RBD to interact more strongly with the hACE2 can help assess the implications for public health and the potential for spillover and adaptation into other animals. Here, we introduce a two-step framework that first relies on 48 independent 4-ns molecular dynamics (MD) trajectories of RBD-hACE2 variants to collect binding energy terms decomposed into Coulombic, covalent, van der Waals, lipophilic, generalized Born solvation, hydrogen bonding, π-π packing, and self-contact correction terms. The second step implements a neural network to classify and quantitatively predict binding affinity changes using the decomposed energy terms as descriptors. The computational base achieves a validation accuracy of 82.8% for classifying single-amino acid substitution variants of the RBD as worsening or improving binding affinity for hACE2 and a correlation coefficient of 0.73 between predicted and experimentally calculated changes in binding affinities. Both metrics are calculated using a fivefold cross-validation test. Our method thus sets up a framework for screening binding affinity changes caused by unknown single- and multiple-amino acid changes offering a valuable tool to predict host adaptation of SARS-CoV-2 variants toward tighter hACE2 binding.
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Affiliation(s)
- Chen Chen
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802
| | - Veda Sheersh Boorla
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802
| | - Deepro Banerjee
- The Bioinformatics and Genomics Program, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802
| | - Ratul Chowdhury
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802
| | - Victoria S Cavener
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802
| | - Ruth H Nissly
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802
| | - Abhinay Gontu
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802
| | - Nina R Boyle
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802
| | - Kurt Vandegrift
- Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA 16802
| | - Meera Surendran Nair
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802
| | - Suresh V Kuchipudi
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802;
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802
- Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA 16802
| | - Costas D Maranas
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802;
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5
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Liu X, Wang Y, Wu J, Qi J, Zeng Z, Wan Q, Chen Z, Manandhar P, Cavener VS, Boyle NR, Fu X, Salazar E, Kuchipudi SV, Kapur V, Zhang X, Umetani M, Sen M, Willson RC, Chen S, Zu Y. Neutralizing Aptamers Block S/RBD-ACE2 Interactions and Prevent Host Cell Infection. Angew Chem Int Ed Engl 2021; 60:10273-10278. [PMID: 33684258 PMCID: PMC8250721 DOI: 10.1002/anie.202100345] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Indexed: 12/23/2022]
Abstract
The receptor-binding domain (RBD) of the severe acute respiratory syndrome coronavirus 2 spike (S) protein plays a central role in mediating the first step of virus infection to cause disease: virus binding to angiotensin-converting enzyme 2 (ACE2) receptors on human host cells. Therefore, S/RBD is an ideal target for blocking and neutralization therapies to prevent and treat coronavirus disease 2019 (COVID-19). Using a target-based selection approach, we developed oligonucleotide aptamers containing a conserved sequence motif that specifically targets S/RBD. Synthetic aptamers had high binding affinity for S/RBD-coated virus mimics (KD ≈7 nM) and also blocked interaction of S/RBD with ACE2 receptors (IC50 ≈5 nM). Importantly, aptamers were able to neutralize S protein-expressing viral particles and prevent host cell infection, suggesting a promising COVID-19 therapy strategy.
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Affiliation(s)
- Xiaohui Liu
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Yi‐ling Wang
- Center for Immunotherapy ResearchHouston Methodist Research InstituteHoustonTX77030USA
| | - Jacky Wu
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Jianjun Qi
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Zihua Zeng
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Quanyuan Wan
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Zhenghu Chen
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Pragya Manandhar
- Department of Biology and BiochemistryUniversity of HoustonHoustonTX77204USA
| | - Victoria S. Cavener
- Animal Diagnostic LaboratoryDept. of Veterinary and Biomedical SciencesHuck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Nina R. Boyle
- Animal Diagnostic LaboratoryDept. of Veterinary and Biomedical SciencesHuck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Xinping Fu
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Eric Salazar
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Suresh V. Kuchipudi
- Animal Diagnostic LaboratoryDept. of Veterinary and Biomedical SciencesHuck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Vivek Kapur
- Dept. of Animal Science and Huck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Xiaoliu Zhang
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Michihisa Umetani
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Mehmet Sen
- Department of Biology and BiochemistryUniversity of HoustonHoustonTX77204USA
| | - Richard C. Willson
- Chemical and Biomolecular EngineeringUniversity of HoustonHoustonTX77204USA
| | - Shu‐hsia Chen
- Center for Immunotherapy ResearchHouston Methodist Research InstituteHoustonTX77030USA
| | - Youli Zu
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
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6
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Liu X, Wang Y, Wu J, Qi J, Zeng Z, Wan Q, Chen Z, Manandhar P, Cavener VS, Boyle NR, Fu X, Salazar E, Kuchipudi SV, Kapur V, Zhang X, Umetani M, Sen M, Willson RC, Chen S, Zu Y. Neutralizing Aptamers Block S/RBD-ACE2 Interactions and Prevent Host Cell Infection. Angew Chem Weinheim Bergstr Ger 2021; 133:10361-10366. [PMID: 34230707 PMCID: PMC8250357 DOI: 10.1002/ange.202100345] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Indexed: 12/23/2022]
Abstract
The receptor-binding domain (RBD) of the severe acute respiratory syndrome coronavirus 2 spike (S) protein plays a central role in mediating the first step of virus infection to cause disease: virus binding to angiotensin-converting enzyme 2 (ACE2) receptors on human host cells. Therefore, S/RBD is an ideal target for blocking and neutralization therapies to prevent and treat coronavirus disease 2019 (COVID-19). Using a target-based selection approach, we developed oligonucleotide aptamers containing a conserved sequence motif that specifically targets S/RBD. Synthetic aptamers had high binding affinity for S/RBD-coated virus mimics (K D≈7 nM) and also blocked interaction of S/RBD with ACE2 receptors (IC50≈5 nM). Importantly, aptamers were able to neutralize S protein-expressing viral particles and prevent host cell infection, suggesting a promising COVID-19 therapy strategy.
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Affiliation(s)
- Xiaohui Liu
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Yi‐ling Wang
- Center for Immunotherapy ResearchHouston Methodist Research InstituteHoustonTX77030USA
| | - Jacky Wu
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Jianjun Qi
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Zihua Zeng
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Quanyuan Wan
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Zhenghu Chen
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Pragya Manandhar
- Department of Biology and BiochemistryUniversity of HoustonHoustonTX77204USA
| | - Victoria S. Cavener
- Animal Diagnostic LaboratoryDept. of Veterinary and Biomedical SciencesHuck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Nina R. Boyle
- Animal Diagnostic LaboratoryDept. of Veterinary and Biomedical SciencesHuck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Xinping Fu
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Eric Salazar
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
| | - Suresh V. Kuchipudi
- Animal Diagnostic LaboratoryDept. of Veterinary and Biomedical SciencesHuck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Vivek Kapur
- Dept. of Animal Science and Huck Institutes of Life SciencesPennsylvania State UniversityUniversity ParkPA16802USA
| | - Xiaoliu Zhang
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Michihisa Umetani
- Department of Biology and Biochemistry and Center for Nuclear Receptor and Cell SignallingUniversity of HoustonHoustonTX77204USA
| | - Mehmet Sen
- Department of Biology and BiochemistryUniversity of HoustonHoustonTX77204USA
| | - Richard C. Willson
- Chemical and Biomolecular EngineeringUniversity of HoustonHoustonTX77204USA
| | - Shu‐hsia Chen
- Center for Immunotherapy ResearchHouston Methodist Research InstituteHoustonTX77030USA
| | - Youli Zu
- Department of Pathology and Genomic MedicineHouston Methodist HospitalHoustonTX77030USA
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