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Shi X, Xiao B, Feng R. Identification of a glycolysis-related miRNA Signature for Predicting Breast cancer Survival. Mol Biotechnol 2024; 66:1988-2006. [PMID: 37535159 DOI: 10.1007/s12033-023-00837-5] [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: 02/26/2023] [Accepted: 07/24/2023] [Indexed: 08/04/2023]
Abstract
Breast cancer (BC) is a common type of cancer and has a poor prognosis. In this study, we collected the mRNA and miRNA expression profiles of BC patients were obtained from The Cancer Genome Atlas (TCGA) to explore a novel prognostic strategy for BC patients using bioinformatics tools. We found that six glycolysis-related miRNAs (GRmiRs, including hsa-mir-1247, hsa-mir148b, hsa-mir-133a-2, has-mir-1307, hsa-mir-195 and hsa-mir-1258) were correlated with prognosis of BC samples. The risk score model was established based on 6 prognosis-associated GRmiRs. The outcome of high risk group was significantly poorer. Cox regression analysis showed that risk score was an independent prognostic factor. Differentially expressed genes identified between high and low risk groups were mainly enriched in inflammation and immune-related signaling pathways. The proportion of infiltration of 12 kinds of immune cells in high and low risk groups were significantly different. Risk score was closely associated with many immune indexes. Multiple DEGRGs and miRNAs were associated with drugs. In conclusion, glycolysis-related miRNA signature effectively predicts BC prognosis.
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Affiliation(s)
- Xuejing Shi
- Department of Galactophore, Tianjin Central Hospital of Gynecology and Obstetrics, No. 156 Nankai Sanma Road, Tianjin, Nankai District, 300100, P.R. China
| | - Baoqiang Xiao
- Department of General Surgery, Tianjin Hospital, Tianjin, Hexi District, 300211, P.R. China
| | - Rui Feng
- Department of Galactophore, Tianjin Central Hospital of Gynecology and Obstetrics, No. 156 Nankai Sanma Road, Tianjin, Nankai District, 300100, P.R. China.
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Ren M, Zhang J, Zong R, Sun H. A Novel Pancreatic Cancer Hypoxia Status Related Gene Signature for Prognosis and Therapeutic Responses. Mol Biotechnol 2024; 66:1684-1703. [PMID: 37405638 DOI: 10.1007/s12033-023-00807-x] [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: 02/16/2023] [Accepted: 06/26/2023] [Indexed: 07/06/2023]
Abstract
Pancreatic cancer (PAC) is a highly fatal and aggressive type of cancer. Hypoxia is a common feature of PAC. The aim of this study was to develop a hypoxia status-related prognostic model for predicting the survival outcomes in PAC. The data sets of PAC from The Cancer Genome Atlas and the International Cancer Genome Consortium were used to construct and validate the signature. A 6 hypoxia status-related differential expression genes prognostic model for predicting the survival outcomes was established. The Kaplan-Meier analysis and Received operating characteristic curve indicated the good performance of the signature at predicting overall survival. Univariate and Multivariate Cox regression revealed that the signature was an independent prognostic factor in PAC. Weighted Gene Co-expression Network Analysis and immune infiltration analysis indicated that Immune-related pathways and immune cell infiltration was mostly enriched in the low-risk group, which presented a better prognosis. We also evaluated the predictive of the signature for immunotherapy and chemoradiotherapy. Risk gene LY6D may be a potential prognostic predictor of PAC. This model can be used as an independent prognostic factor for predicting clinical outcomes and a possible classifier for response to chemotherapy.
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Affiliation(s)
- Min Ren
- College of Life Science, Yan'an University, Yan'an, 716000, China.
| | - Jianing Zhang
- College of Life Science, Yan'an University, Yan'an, 716000, China
| | - Rongrong Zong
- College of Life Science, Yan'an University, Yan'an, 716000, China
| | - Huiru Sun
- College of Life Science, Yan'an University, Yan'an, 716000, China.
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Kapar A, Xie S, Guo Z, Nan Y, Du Y, Yin X, Gong T, Gu X, Zhou Y, Lu W, Yang A, Luo Z, Dai J, Wang K, Zhao S, Wang K. Effectiveness of azvudine against severe outcomes among hospitalized COVID-19 patients in Xinjiang, China: a single-center, retrospective, matched cohort study. Expert Rev Anti Infect Ther 2024:1-9. [PMID: 38822541 DOI: 10.1080/14787210.2024.2362900] [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: 04/07/2024] [Accepted: 05/29/2024] [Indexed: 06/03/2024]
Abstract
BACKGROUND Since the end of 2022, Azvudine was widely used to treat hospitalized coronavirus disease 2019 (COVID-19) patients in China. However, data on the real-world effectiveness of Azvudine against severe outcomes and post-COVID-19-conditions (PCC) among patients infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variants was limited. This study evaluates the effectiveness of Azvudine in hospitalized COVID-19 patients during a SARS-CoV-2 Omicron BA.5 dominance period. METHODS From 1 November 2022 to 1 July 2023, an SARS-CoV-2 Omicron BA.5 dominant period, we conducted a single-center retrospective cohort study based on hospitalized patients with laboratory-confirmed SARS-CoV-2 infection from a tertiary hospital in Shihezi, China. Patients treated with Azvudine and usual care were propensity-score matched (PSM) at a 1:1 ratio to a control group in which patients received usual care only, with matching based on covariates such as sex, age, ethnicity, number of preexisting conditions, antibiotic use at admission, and baseline complete blood cell count. The primary outcomes were all-cause death and short-term (60 days) PCC post discharge. The secondary outcomes included the initiation of invasive mechanical ventilation and PCC at long-term post discharge (120 days). Cox proportional hazards (PH) regression models were employed to estimate the hazard ratios (HR) of Azvudine treatment for both all-cause death and invasive mechanical ventilation, and logistic regression models were used to estimate the odds ratios (OR) for short-term and long-term PCC. Subgroup analyses were performed based on a part of the matched covariates. RESULTS A total of 2,639 hospitalized patients with SARS-CoV-2 infection were initially identified, and 2,069 ineligible subjects were excluded from analyses. After matching, 297 Azvudine recipients and 297 matched controls were eligible for analyses. The incidence rate of all-cause death was relatively lower in the Azvudine group than in control group (0.007 per person, 95% confidence interval [CI]: 0.001, 0.024 vs 0.128, 95% CI: 0.092, 0.171), and the use of Azvudine was associated with a significantly lower risk of death (HR: 0.049, 95% CI: 0.012, 0.205). Subgroup analyses suggested protection of Azvudine against the risks of all-cause death among men, age over 65, patients without the preexisting conditions, and patients with antibiotics dispensed at admission. Statistical differences were not observed between the Azvudine group and the control group for the risks of invasive mechanical ventilation or short and long-term PCC. CONCLUSIONS Our findings indicated that Azvudine was associated with lower risk of all-cause death among hospitalized patients with Omicron BA.5 infection in a real-world setting. Further investigation is needed to explore the effectiveness of Azvudine against the PCC after discharge.
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Affiliation(s)
- Abiden Kapar
- School of Public Health, Xinjiang Medical University, Urumqi, China
| | - Songsong Xie
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital of Shihezi University, Shihezi, China
| | - Zihao Guo
- CUHK Shenzhen Research Institute, Shenzhen, China
- JC School of Public Health and Primary Care, Chinese University of Hong Kong, Hong Kong, China
| | - Yan Nan
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital of Shihezi University, Shihezi, China
| | - Yaling Du
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital of Shihezi University, Shihezi, China
| | - Xi Yin
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, The First Affiliated Hospital of Shihezi University, Shihezi, China
| | - Tao Gong
- Shihezi People's Hospital, Shihezi, China
| | - Xiu Gu
- School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Yang Zhou
- School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Wenli Lu
- School of Public Health, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin Medical University, Tianjin, China
- Key Laboratory of Prevention and Control of Major Diseases in the Population (MoE), Tianjin Medical University, Tianjin, China
| | - Aimin Yang
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, Hong Kong, China
| | - Zhaohui Luo
- The Sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Jianghong Dai
- School of Public Health, Xinjiang Medical University, Urumqi, China
| | - Kailu Wang
- CUHK Shenzhen Research Institute, Shenzhen, China
- JC School of Public Health and Primary Care, Chinese University of Hong Kong, Hong Kong, China
| | - Shi Zhao
- School of Public Health, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin Medical University, Tianjin, China
- Key Laboratory of Prevention and Control of Major Diseases in the Population (MoE), Tianjin Medical University, Tianjin, China
| | - Kai Wang
- School of Public Health, Xinjiang Medical University, Urumqi, China
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Munir MZ, Khan AH, Khan TM. Healthcare professionals' understanding and perception of drug-related issues linked to off-label pharmacological medications used for COVID-19. Expert Rev Anti Infect Ther 2024; 22:487-493. [PMID: 38263904 DOI: 10.1080/14787210.2024.2310004] [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: 09/25/2023] [Accepted: 12/30/2023] [Indexed: 01/25/2024]
Abstract
BACKGROUND To evaluate the opinions of healthcare workers regarding drug therapy problems linked to anti-infective medicines used for the treatment of COVID-19 infection in Pakistan. RESEARCH METHODOLOGY This cross-sectional study was conducted from January to October 2022 using a self-administered questionnaire developed by the authors, having three sections: demographics, knowledge, and perception. The study was validated by research experts and pilot-tested on 30 subjects. The study included medical doctors, nurses, pharmacists from Punjab's government and private medical institutes. RESULTS In this study, 382 of 400 participants replied. The mean knowledge score was 9.52 (SD 2.97), showing that participants had adequate knowledge of COVID-19 pharmacological interventions. The knowledge scores were significantly higher of those who treated COVID-19 patients and were from Lahore. Many doctors considered that elderly patients and those with blood disorders were at greater risk of experiencing drug-related problems. Most pharmacists support electronic prescription systems. Many doctors thought the lack of unified treatment guidelines, multiple prescribers, and self-medication were key obstacles in managing COVID-19 patients. CONCLUSION Most respondents had adequate knowledge. Older patients with comorbidities are at risk of adverse effects. Self-medication, polypharmacy, and multiple prescriptions can lead to misdiagnosis and complications. Electric prescriptions, team effort, and training programs can decrease these issues.
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Affiliation(s)
- Muhammad Zeeshan Munir
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Penang, Malaysia
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Amer Hayat Khan
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Penang, Malaysia
| | - Tahir Mehmood Khan
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
- School of Pharmacy, Monash University Malaysia Sdn Bhd, Subang Jaya, Selangor, Malaysia
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Zhang Z, Yi Y, Wang Z, Zhang H, Zhao Y, He R, Luo Y, Cui Z. LncRNA MAGI2-AS3-Encoded Polypeptide Restrains the Proliferation and Migration of Breast Cancer Cells. Mol Biotechnol 2024; 66:1409-1423. [PMID: 37358745 DOI: 10.1007/s12033-023-00801-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 06/20/2023] [Indexed: 06/27/2023]
Abstract
Accumulating articles have reported the coding potential of long non-coding RNAs (lncRNAs). However, only a few lncRNAs-encoded peptides have been studied. Breast cancer (BRCA) progression-related gene modules were determined by weighted gene co-expression network analysis (WGCNA). Cell viability, proliferation, and migration capacities were assessed by Cell counting kit-8 (CCK8), 5-ethynyl-2'-deoxyuridine (EdU), and transwell assays. Immunofluorescence (IF) assay was implemented to observe protein expression. Co-immunoprecipitation (Co-IP) and high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) were employed to analyze MAGI2 antisense RNA 3 (MAGI2-AS3)-ORF5-interacted proteins. WGCNA identified that MEpurple and MEblack modules were significantly negatively correlated with T stage in BRCA patients. MAGI2-AS3 was screened as one of the differentially expressed (DE) lncRNAs with translational potential in MEblack and MEpurple modules in BRCA. The data in The Cancer Genome Atlas (TCGA) uncovered that MAGI2-AS3 abundance was significantly decreased in invasive BRCA patients, and it had high diagnostic and prognostic values. MAGI2-AS3-ORF5 notably restrained BRCA cell viability, proliferation, and migration. Mechanically, MAGI2-AS3-ORF5 might affect the progression of BRCA cells by binding to extracellular matrix (ECM)-related proteins. MAGI2-AS3-ORF5 played an anti-tumor role by inhibiting BRCA cell viability, proliferation, and migration. MAGI2-AS3-ORF5 might modulate BRCA cell migration through ECM-associated proteins.
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Affiliation(s)
- Zhiwei Zhang
- Department of Oncology, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, Hebei, China
| | - Yanli Yi
- Department of Breast Surgery, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, Hebei, China
| | - Zai Wang
- Science and Education Division, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, Hebei, China
| | - Haoyun Zhang
- Department of Breast Surgery, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, Hebei, China
| | - Yanchun Zhao
- Department of Breast Surgery, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, Hebei, China
| | - Ruijing He
- Department of Breast Surgery, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, Hebei, China
| | - Yan Luo
- Department of Reproductive Genetic, Hebei General Hospital, Shijiazhuang, 050000, Hebei, China
| | - Zhiqiang Cui
- Department of Breast Surgery, Affiliated Hospital of Hebei University of Engineering, Handan, 056000, Hebei, China.
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Shiau BW, Hsu WH, Tsai YW, Wu JY, Liu TH, Huang PY, Chuang MH, Lai CC, Jang LW. Effectiveness of recently-approved oral antiviral medications on the outcome of patients with mild-to-moderate COVID-19 and pre-existing chronic obstructive pulmonary diseases. Expert Rev Anti Infect Ther 2024:1-9. [PMID: 38702925 DOI: 10.1080/14787210.2024.2351571] [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: 12/23/2023] [Accepted: 04/16/2024] [Indexed: 05/06/2024]
Abstract
OBJECTIVES This study assessed the effectiveness of the oral antiviral agents nirmatrelvir - ritonavir (NMV-r) and molnupiravir (MOV) for treating mild-to-moderate coronavirus disease 2019 (COVID-19) in patients with COPD. METHODS This retrospective cohort study extracted data from the TriNetX platform and examined 94,984 COVID-19 patients with preexisting COPD from 1 January 2022, to 1 October 2023. Patients receiving NMV-r or MOV (study group) were compared with those not receiving oral antiviral agents (control group) after propensity score matching (PSM). RESULTS After PSM, 7,944 patients were classified into the study and control groups. The primary composite outcome of all-cause hospitalization, or death in 30 days was reported in 458 (5.7%) patients in the study group and 566 (7.1%) patients in the control cohort, yielding a hazard ratio [HR] of 0.79 (95% confidence interval [CI]: 0.70-0.89; Table 2). Compared with the control group, the study group had a significantly lower risk of all-cause hospitalization (HR, 0.87; 95% CI: 0.76-0.99) and death (HR: 0.21, 95% CI: 0.13-0.35). CONCLUSIONS This study revealed that oral antivirals - NMV-r or MOV might improve clinical outcomes in patients with preexisting COPD and COVID-19. However, only a small proportion of preexisting COPD patients with COVID-19 received oral antiviral treatment.
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Affiliation(s)
- Bo-Wen Shiau
- Division of General Medicine, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Wan-Hsuan Hsu
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Ya-Wen Tsai
- Center for Integrative Medicine, Chi Mei Medical Center, Tainan, Taiwan
- Department of Medical Laboratory Sciences and Biotechnology, Fooyin University, Kaohsiung, Taiwan
| | - Jheng-Yan Wu
- Department of Nutrition, Chi Mei Medical Center, Tainan, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ting-Hui Liu
- Department of Psychiatry, Chi Mei Medical Center, Tainan, Taiwan
| | - Po-Yu Huang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Min-Hsiang Chuang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Chih-Cheng Lai
- Division of Hospital Medicine, Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Lih-Wen Jang
- Department of Emergency, Chi-Mei Medical Center, Tainan, Taiwan
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Hsu CK, Hsu WH, Shiau BW, Tsai YW, Wu JY, Liu TH, Huang PY, Chuang MH, Lai CC. The effectiveness of novel oral antiviral treatment for non-hospitalized high-risk patients with COVID-19 during predominance of omicron XBB subvariants. Expert Rev Anti Infect Ther 2024:1-8. [PMID: 38568820 DOI: 10.1080/14787210.2024.2339398] [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: 12/19/2023] [Accepted: 03/13/2024] [Indexed: 04/05/2024]
Abstract
OBJECTIVES This study investigated the association between nirmatrelvir plus ritonavir (NMV-r) or molnupiravir and the outcomes of non-hospitalized high-risk patients with COVID-19 during Omicron XBB subvariants. METHODS The retrospective cohort study used the TriNetX US collaborative network to identify non-hospitalized high-risk adult patients with COVID-19 between 1 February 2023, and 31 August 2023. Propensity score matching (PSM) was used to match patients receiving NMV-r or MOV (the study group) with those not receiving antivirals (the control group). RESULTS Using PSM, two cohorts of 17,654 patients each with balanced baseline characteristics were identified. During the follow-up period, the study group had a lower risk of all-cause hospitalization, or death (3.2% [n = 564] versus 3.8% [n = 669]; HR, 0.796; 95% confidence interval [CI], 95% CI, 0.712-0.891). Compared with the control group, the study group had a significantly lower risk of all-cause hospitalization (3.1% vs. 3.4%; HR, 0.847; 95% CI, 0.754-0.950) and mortality (0.1% vs. 0.4%; HR, 0.295; 95% CI, 0.183-0.476). CONCLUSION The use of novel oral antiviral including NMV-r or MOV can be associated with a lower risk of all-cause hospitalization, or death in non-hospitalized high-risk patients with COVID-19 during Omicron XBB wave.
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Affiliation(s)
- Chi-Kuei Hsu
- Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
- School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung, Taiwan
| | - Wan-Hsuan Hsu
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Bo-Wen Shiau
- Divison of General Medicine, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Ya-Wen Tsai
- Center for Integrative Medicine, Chi Mei Medical Center, Tainan, Taiwan
- Department of Medical Laboratory Sciences and Biotechnology, Fooyin University, Kaohsiung, Taiwan
| | - Jheng-Yan Wu
- Department of Nutrition, Chi Mei Medical Center, Tainan, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ting-Hui Liu
- Department of Psychiatry, Chi Mei Medical Center, Tainan, Taiwan
| | - Po-Yu Huang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Min-Hsiang Chuang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Chih-Cheng Lai
- Department of Intensive Care Medicine, Chi Mei Medical Center, Tainan, Taiwan
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung, Taiwan
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Rabie AM, Eltayb WA. Potent Dual Polymerase/Exonuclease Inhibitory Activities of Antioxidant Aminothiadiazoles Against the COVID-19 Omicron Virus: A Promising In Silico/In Vitro Repositioning Research Study. Mol Biotechnol 2024; 66:592-611. [PMID: 36690820 PMCID: PMC9870775 DOI: 10.1007/s12033-022-00551-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 08/10/2022] [Indexed: 01/25/2023]
Abstract
Recently, natural and synthetic nitrogenous heterocyclic antivirals topped the scene as first choices for the treatment of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections and their accompanying disease, the coronavirus disease 2019 (COVID-19). Meanwhile, the mysterious evolution of a new strain of SARS-CoV-2, the Omicron variant and its sublineages, caused a new defiance in the continual COVID-19 battle. Hitting the two principal coronaviral-2 multiplication enzymes RNA-dependent RNA polymerase (RdRp) and 3'-to-5' exoribonuclease (ExoN) synchronously using the same ligand is a highly effective novel dual pathway to hinder SARS-CoV-2 reproduction and stop COVID-19 progression irrespective of the SARS-CoV-2 variant type since RdRps and ExoNs are widely conserved among all SARS-CoV-2 strains. Herein, the present computational/biological study screened our previous small libraries of nitrogenous heterocyclic compounds, searching for the most ideal drug candidates predictably able to efficiently act through this double approach. Theoretical filtration gave rise to three promising antioxidant nitrogenous heterocyclic compounds of the 1,3,4-thiadiazole type, which are CoViTris2022, Taroxaz-26, and ChloViD2022. Further experimental evaluation proved for the first time, utilizing the in vitro anti-RdRp/ExoN and anti-SARS-CoV-2 bioassays, that ChloViD2022, CoViTris2022, and Taroxaz-26 could effectively inhibit the replication of the new virulent strains of SARS-CoV-2 with extremely minute in vitro anti-RdRp and anti-SARS-CoV-2 EC50 values of 0.17 and 0.41 μM for ChloViD2022, 0.21 and 0.69 μM for CoViTris2022, and 0.23 and 0.73 μM for Taroxaz-26, respectively, transcending the anti-COVID-19 drug molnupiravir. The preliminary in silico outcomes greatly supported these biochemical results, proposing that the three molecules potently strike the key catalytic pockets of the SARS-CoV-2 (Omicron variant) RdRp's and ExoN's vital active sites. Moreover, the idealistic pharmacophoric hallmarks of CoViTris2022, Taroxaz-26, and ChloViD2022 molecules relatively make them typical dual-action inhibitors of SARS-CoV-2 replication and proofreading, with their highly flexible structures open for various kinds of chemical derivatization. To cut it short, the present pivotal findings of this comprehensive work disclosed the promising repositioning potentials of the three 2-aminothiadiazoles, CoViTris2022, Taroxaz-26, and ChloViD2022, to successfully interfere with the crucial biological interactions of the coronaviral-2 polymerase/exoribonuclease with the four principal RNA nucleotides, and, as a result, cure COVID-19 infection, encouraging us to rapidly start the three drugs' broad preclinical/clinical anti-COVID-19 evaluations.
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Affiliation(s)
- Amgad M Rabie
- Dr. Amgad Rabie's Research Lab. for Drug Discovery (DARLD), Mansoura City, Mansoura, 35511, Dakahlia Governorate, Egypt.
- Head of Drug Discovery & Clinical Research Department, Dikernis General Hospital (DGH), Magliss El-Madina Street, Dikernis City, Dikernis, 35744, Dakahlia Governorate, Egypt.
| | - Wafa A Eltayb
- Biotechnology Department, Faculty of Science and Technology, Shendi University, Shendi, Nher Anile, Sudan.
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da Rocha MN, da Fonseca AM, Dantas ANM, Dos Santos HS, Marinho ES, Marinho GS. In Silico Study in MPO and Molecular Docking of the Synthetic Drynaran Analogues Against the Chronic Tinnitus: Modulation of the M1 Muscarinic Acetylcholine Receptor. Mol Biotechnol 2024; 66:254-269. [PMID: 37079267 DOI: 10.1007/s12033-023-00748-5] [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: 02/17/2023] [Accepted: 04/03/2023] [Indexed: 04/21/2023]
Abstract
Tinnitus is a syndrome that affects the human auditory system and is characterized by a perception of sounds in the absence of acoustic stimuli, or in total silence. Research indicates that muscarinic acetylcholine receptors (mAChRs), especially the M1 type, have a fundamental role in the alterations of auditory perceptions of tinnitus. Here, a series of computer-aided tools were used, from molecular surface analysis software to services available on the web for estimating pharmacokinetics and pharmacodynamics. The results infer that the low lipophilicity ligands, that is, the 1a-d alkyl furans, present the best pharmacokinetic profile, as compounds with an optimal alignment between permeability and clearance. However, only ligands 1a and 1b have properties that are safe for the central nervous system, the site of cholinergic modulation. These ligands showed similarity with compounds deposited in the European Molecular Biology Laboratory chemical (ChEMBL) database acting on the mAChRs M1 type, the target selected for the molecular docking test. The simulations suggest that the 1 g ligand can form the ligand-receptor complex with the best affinity energy order and that, together with the 1b ligand, they are competitive agonists in relation to the antagonist Tiotropium, in addition to acting in synergism with the drug Bromazepam in the treatment of chronic tinnitus.
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Affiliation(s)
- Matheus Nunes da Rocha
- Graduate Program in Natural Sciences, Center for Science and Technology, State University of Ceará, Fortaleza, CE, Brazil.
| | - Aluísio Marques da Fonseca
- Institute of Engineering and Sustainable Development, Academic Master in Sociobiodiversity and Sustainable Technologies, University of International Integration of Afro-Brazilian Lusofonia, Acarape, CE, Brazil
| | | | | | - Emmanuel Silva Marinho
- Graduate Program in Natural Sciences, Center for Science and Technology, State University of Ceará, Fortaleza, CE, Brazil
- Group of Theoretical Chemistry and Electrochemistry, State University of Ceará, Limoeiro Do Norte, CE, Brazil
| | - Gabrielle Silva Marinho
- Group of Theoretical Chemistry and Electrochemistry, State University of Ceará, Limoeiro Do Norte, CE, Brazil
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Zhong X, Wang C, Huang L, Zhao Y, Li T, He J, Zhang X. Evaluation of the efficacy and safety of nirmatrelvir/ritonavir co-administration inpatients with rheumatic disease infected with SARS-CoV-2: a real-world study. Front Pharmacol 2023; 14:1288402. [PMID: 38125894 PMCID: PMC10730682 DOI: 10.3389/fphar.2023.1288402] [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: 09/04/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Background: The breakthrough development of novel severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) vaccines and oral antivirals have played a critical role in curtailing the spread of the pandemic and dramatically reducing the morbidity and mortality rates among those infected. Among these oral antivirals, nirmatrelvir/ritonavir (NR) has been repurposed successfully for use against coronavirus disease-2019 (COVID-19) and is now readily available on the market with promising therapeutic effects. The availability of convenient and effective NR treatments for COVID-19 greatly mitigates the severity of the epidemic and contributes to an early end to the pandemic. Furthermore, certain patient subgroups, specifically those with rheumatic disease (RD) who are currently undergoing intensive immunodeficiency and/or immunosuppressive treatments, continue to be vulnerable and at a higher risk of experiencing severe consequences from COVID-19. Additionally, it has also been observed that NR exhibited prevalent drug-drug interactions of clinical significance, and more instances of COVID-19 rebound were being recognized with increasing frequency. Methods: A retrospective cohort study was conducted on a real-world RD population who were infected with SARS-CoV-2 and treated with NR. The time of symptom resolution, length of hospitalization, and response rate were assessed. Results were compared among the standard regimen and non-standard regimen groups, early NR regimen and late NR regimen groups, and the NR indication regimen and NR non-indication regimen groups. During the course, all grades of adverse drug reactions (ADRs) directly associated with NR administration and associated with drug-drug interactions (DDIs) were also monitored. Results: A total of 32 patients with RD, who were infected with SARS-CoV-2 and received NR, were retrospectively identified and divided into different groups. We found that the standard regimen group and the early NR regimen group had a shorter median time of symptom resolution compared to the control group [9.0 (interquartile range [IQR], 8.3-11.3) vs. 21.5 (IQR16.0-24.0) days, p < 0.001 and 9.0 (IQR 8.3-11.3) vs. 23.0 (IQR 18.0-24.0) days, p = 0.0]. We further found that even if the NR administration time exceeds 5 days, patients with RD who receive the NR indication regimen can still derive certain benefits from it. The proportion of patients who showed symptom improvement was higher in the NR indication regimen compared to the NR non-indication regimen group (n = 13/17 vs. 3/6, 76.5% vs. 50.0%) at the end of follow-up, and there was a statistical difference (p = 0.0) in the response rate of patients between the two groups. We also analyzed the effect of comorbidities on patient response rates and found that the percentage of patients who showed symptom improvement was higher in the group with <4 comorbidities compared to the group with ≥ 4 comorbidities (n = 7/7 vs. 16/25, 100.0% vs. 64.0%) at the end of follow-up. During the course, all grades of ADRs and grade ≥3ADRs directly associated with NR administration were not observed in any of the 32 cases. Despite discontinuing warfarin prior to NR application (using NR immediately on the first day of warfarin withdrawal), one patient still experienced an increased international normalized ratio [INR, 5.32(0.90-1.20)] and coagulation disorders (weak positive fecal occult blood test) on the second day after using NR. The INR levels decreased to nearly normal values, and coagulation disorders returned to normal after 2 days of discontinuing NR (the seventh day after the initial administration of NR). Conclusion: We showed NR therapy to be associated with a favorable outcome and an acceptable safety profile in an immunosuppressed population with RD during the Omicron surge. Early use of NR (within 5 days of symptom onset) could improve the prognosis of patients. NR administration for symptoms and confirmed SARS-CoV-2 infection after >5 days may also mitigate progression to severe disease and is a viable strategy. Our results highlight the importance of early utilization and/or NR indication, which may yield clinical advantages for patients with RD infected with SARS-CoV-2.
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Affiliation(s)
- Xue Zhong
- Department of Pharmacy, Peking University People’s Hospital, Beijing, China
| | - Chao Wang
- Department of Pharmacy, Tianjin First Central Hospital, Tianjin, China
| | - Lin Huang
- Department of Pharmacy, Peking University People’s Hospital, Beijing, China
| | - Yue Zhao
- School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Tianyi Li
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jing He
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
| | - Xiaohong Zhang
- Department of Pharmacy, Peking University People’s Hospital, Beijing, China
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11
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Li LH, Chiu HW, Wong WT, Huang KC, Lin TW, Chen ST, Hua KF. Antrodia cinnamomea May Interfere with the Interaction Between ACE2 and SARS-CoV-2 Spike Protein in vitro and Reduces Lung Inflammation in a Hamster Model of COVID-19. J Inflamm Res 2023; 16:4867-4884. [PMID: 37908202 PMCID: PMC10614667 DOI: 10.2147/jir.s431222] [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: 08/10/2023] [Accepted: 10/24/2023] [Indexed: 11/02/2023] Open
Abstract
Purpose Coronavirus disease 2019 (COVID-19) poses a global health challenge with widespread transmission. Growing concerns about vaccine side effects, diminishing efficacy, and religious-based hesitancy highlight the need for alternative pharmacological approaches. Our study investigates the impact of the ethanol extract of Antrodia cinnamomea (AC), a native medicinal fungus from Taiwan, on COVID-19 in both in vitro and in vivo contexts. Methods We measured the mRNA and protein levels of angiotensin-converting enzyme-2 (ACE2) in human lung cells using real-time reverse transcriptase-polymerase chain reaction and Western blotting, respectively. Additionally, we determined the enzymatic activity of ACE2 using the fluorogenic peptide substrate Mca-YVADAPK(Dnp)-OH. To assess the impact of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection, we used SARS-CoV-2 pseudovirus infections in human embryonic kidney 293T cells expressing ACE2 to measure infection rates. Furthermore, we evaluated the in vivo efficacy of AC in mitigating COVID-19 by conducting experiments on hamsters infected with the Delta variant of SARS-CoV-2. Results AC effectively decreased ACE2 mRNA and protein levels, a critical host receptor for the SARS-CoV-2 spike protein, in human lung cells. It also prevented the spike protein from binding to human lung cells. Dehydrosulphurenic acid, an isolate from AC, directly inhibited ACE2 protease activity with an inhibitory constant of 1.53 µM. In vitro experiments showed that both AC and dehydrosulphurenic acid significantly reduced the infection rate of SARS-CoV-2 pseudovirus. In hamsters infected with the Delta variant of SARS-CoV-2, oral administration of AC reduced body weight loss and improved lung injury. Notably, AC also inhibited IL-1β expression in both macrophages and the lung tissues of SARS-CoV-2-infected hamsters. Conclusion AC shows potential as a nutraceutical for reducing the risk of SARS-CoV-2 infection by disrupting the interaction between ACE2 and the SARS-CoV-2 spike protein, and for preventing COVID-19-associated lung inflammation.
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Affiliation(s)
- Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan
| | - Hsiao-Wen Chiu
- Department of Biotechnology and Animal Science, National Ilan University, Yilan, Taiwan
| | - Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Yilan, Taiwan
| | | | | | | | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Yilan, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
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12
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Rabie AM, Abdel-Dayem MA, Abdalla M. Promising Experimental Anti-SARS-CoV-2 Agent "SLL-0197800": The Prospective Universal Inhibitory Properties against the Coming Versions of the Coronavirus. ACS OMEGA 2023; 8:35538-35554. [PMID: 37810715 PMCID: PMC10552502 DOI: 10.1021/acsomega.2c08073] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 05/22/2023] [Indexed: 10/10/2023]
Abstract
Isoquinoline derivatives having some nucleosidic structural features are considered as candidate choices for effective remediation of the different severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections and their following disease, the coronavirus disease 2019 (COVID-19). SLL-0197800 is a recently discovered isoquinoline compound with potential strong universal anticoronaviral activities against SARS-CoV-2 and its previous strains. SLL-0197800 nonspecifically hits the main protease (Mpro) enzyme of the different coronaviruses. Herein in the present study, we tested the probability of the previous findings of this experimental agent to be extended to comprise any coronavirus through concurrently disrupting the mutable-less replication enzymes like the RNA-dependent RNA polymerase (RdRp) protein as well as the 3'-to-5' exoribonuclease (ExoN) protein. The in vitro anti-RdRp/ExoN assay revealed the potent inhibitory activities of SLL-0197800 on the coronaviral replication with minute values of anti-RdRp and anti-RdRp/ExoN EC50 (about 0.16 and 0.27 μM, respectively). The preliminary in silico outcomes significantly supported these biochemical findings. To put it simply, the present important results of these extension efforts greatly reinforce and extend the SLL-0197800's preceding findings, showing that the restraining/blocking actions (i.e., inhibitory activities) of this novel investigational anti-SARS-CoV-2 agent against the Mpro protein could be significantly extended against other copying and multiplication enzymes such as RdRp and ExoN, highlighting the potential use of SLL-0197800 against the coming versions of the homicidal coronavirus (if any), i.e., revealing the probable nonspecific anticoronaviral features and qualities of this golden experimental drug against nearly any coronaviral strain, for instance, SARS-CoV-3.
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Affiliation(s)
- Amgad M. Rabie
- Dr.
Amgad Rabie’s Research Lab. for Drug Discovery (DARLD), Mansoura City 35511, Mansoura, Dakahlia Governorate, Egypt
- Head
of Drug Discovery & Clinical Research Department, Dikernis General Hospital (DGH), Magliss El-Madina Street, Dikernis City 35744, Dikernis, Dakahlia
Governorate, Egypt
| | - Marwa A. Abdel-Dayem
- Department
of Pharmacology and Toxicology, Faculty of Pharmacy, Horus University—Egypt (HUE), New Damietta 34518, Damietta Governorate, Egypt
| | - Mohnad Abdalla
- Key
Laboratory of Chemical Biology (Ministry of Education), Department
of Pharmaceutics, School of Pharmaceutical Sciences, Cheeloo College
of Medicine, Shandong University, 44 Cultural West Road, Jinan, Shandong Province 250012, PR China
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13
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Wang H, He D, Li Z, Gao X, Yang S, Cui M, Ye B, Huang B, Fu S, Liu D. Oral administration of sophoricoside (SOP) inhibits neuronal damage and neuroinflammation to curb neurodegeneration in Parkinson's disease. Chem Biol Interact 2023; 384:110726. [PMID: 37741537 DOI: 10.1016/j.cbi.2023.110726] [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: 05/06/2023] [Revised: 09/09/2023] [Accepted: 09/20/2023] [Indexed: 09/25/2023]
Abstract
Neuronal apoptosis and neuroinflammation are key factors involved in the pathological changes of Parkinson's disease (PD). Sophoricoside (SOP) has shown anti-inflammatory and anti-apoptosis effects in various diseases. However, the role of SOP in PD has not been reported. In this experiment, we found that oral administration of SOP alleviated weight loss and motor symptoms in 1-Methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP)-injected mice. Further studies revealed that SOP inhibited inflammatory responses and neuronal apoptosis in the midbrain region of MPTP-injected mice. In vitro mechanistic study, we found that SOP exerts neuroprotective effects through a two-sided action. On the one hand, SOP inhibits Lipopolysaccharide (LPS)-induced inflammatory responses in microglia by inhibiting the Nuclear factor kappa-B(NF-κB) pathway. On the other hand, SOP inhibits 1-methyl-4-phenylpyridinium (MPP+)-induced neuronal apoptosis by regulating the Adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK)/mammalian target of rapamycin (mTOR) signaling pathway. Thus SOP is expected to be a potential therapeutic agent for PD by targeting neuroinflammation and neuronal apoptosis.
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MESH Headings
- Mice
- Animals
- Parkinson Disease/metabolism
- Neuroinflammatory Diseases
- 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine/metabolism
- 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine/pharmacology
- 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine/therapeutic use
- NF-kappa B/metabolism
- 1-Methyl-4-phenylpyridinium
- Administration, Oral
- Mice, Inbred C57BL
- Disease Models, Animal
- Neuroprotective Agents/pharmacology
- Neuroprotective Agents/therapeutic use
- Neuroprotective Agents/metabolism
- Microglia
- Dopaminergic Neurons
- Mammals/metabolism
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Affiliation(s)
- Hefei Wang
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Dewei He
- College of Animal Science, Jilin University, Changchun, China.
| | - Zhe Li
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Xiyu Gao
- College of Animal Science, Jilin University, Changchun, China.
| | - Shuo Yang
- College of Animal Science, Jilin University, Changchun, China.
| | - Mingchi Cui
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Bojian Ye
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Bingxu Huang
- College of Animal Science, Jilin University, Changchun, China.
| | - Shoupeng Fu
- College of Veterinary Medicine, Jilin University, Changchun, China.
| | - Dianfeng Liu
- College of Animal Science, Jilin University, Changchun, China.
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14
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Wei B, Zhang R, Zeng H, Wu L, He R, Zheng J, Xue H, Liu J, Liang F, Zhu B. Impact of some antiviral drugs on health care utilization for patients with COVID-19: a systematic review and meta-analysis. Expert Rev Anti Infect Ther 2023:1-17. [PMID: 37667876 DOI: 10.1080/14787210.2023.2254491] [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: 06/15/2023] [Accepted: 08/23/2023] [Indexed: 09/06/2023]
Abstract
BACKGROUND We aimed to assess the impact of antiviral drugs (fluvoxamine,remdesivir, lopinavir/ritonavir (LPV/r), molnupiravir, andnirmatrelvir/ritonavir (NRV/r)) on health care utilization (HCU) inCOVID-19 patients. We summarized findings from randomized controlledtrials (RCTs) and observational studies. METHODS We systematically searched four medical databases (PubMed, Web of Science, Embase, Cochrane Library) for COVID-19 studies up to February 15, 2023. A comprehensive review, meta-analysis, sensitivity analysis, and subgroup analysis were conducted. Pooled effects with 95% confidence intervals (CIs) were calculated for antiviral drugs' impact on hospitalization, mechanical ventilation (MV), and intensive care unit (ICU) outcomes. RESULTS Our analysis included 34 studies (584,978 patients). Meta-analysisindicated potential benefits: remdesivir and molnupiravir potentiallyreduced MV risk, and NRV/r correlated with lower hospitalizationrates. However, LPV/r did not notably curb HCU. Remdesivir waspreferable for high-risk COVID-19 patients, while molnupiravir andNRV/r were recommended for those aged 60 and above. CONCLUSION Remdesivir, molnupiravir, and NRV/r may reduce HCU during the COVID-19 pandemic. However, due to limited study details and significant heterogeneity in effect estimates, further precise evidence is crucial, especially concerning emerging variants.
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Affiliation(s)
- Bincai Wei
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, China
| | - Ruhao Zhang
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, China
| | - Huatang Zeng
- Shenzhen Health Development Research and Data Management Center, Shenzhen, China
| | - Liqun Wu
- Shenzhen Health Development Research and Data Management Center, Shenzhen, China
| | - Rongxin He
- Vanke School of Public Health, Tsinghua University, Beijing, China
| | - Junyao Zheng
- China Institute for Urban Governance, Shanghai Jiao Tong University, Shanghai, China
- School of International and Public Affairs, Shanghai Jiao Tong University, Shanghai, China
| | - Hao Xue
- Stanford Center on China's Economy and Institutions, Stanford University, Stanford, CA, USA
| | - Jinlin Liu
- School of Public Policy and Administration, Northwestern Polytechnical University, Xi'an, China
| | - Fengchao Liang
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, China
| | - Bin Zhu
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, China
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15
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Mohammadi N, Shirian S, Gorji A, Roshanpajouh M, Ahmadi E, Nazari H, Arezoomandan R. The potential protective effect of melatonin and N-acetylcysteine alone and in combination on opioid-induced testicular dysfunction and degeneration in rat. Reprod Toxicol 2023; 120:108453. [PMID: 37536455 DOI: 10.1016/j.reprotox.2023.108453] [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: 04/06/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/05/2023]
Abstract
Methadone (Met) is the most common treatment for opioid addiction. Although Met is effective for treatment of opioid dependence, sexual dysfunctions and infertility have been reported as a major problem in patients under Met treatment. The present study aimed to evaluate the effect of melatonin and N-acetylcysteine (N) on morphine and Met-induced oxidative stress, apoptosis, suppression of blood sexual hormones, impairment in sperm parameters, and sexual dysfunction. Adult male Wistar rats (n = 66) were randomly divided into 11 equal groups (n = 6) as follows: control, sham, morphine, Met, Met+N, Met+ melatonin, Met+melatonin+N, morphine+ Met, morphine+Met+ melatonin, morphine+Met+N, and morphine+Met+ melatonin+N groups. On day 56 post-treatment, the blood was collected from the tail and the serum levels of sex hormones were evaluated, then the rats were sacrificed, and their bilateral testes and epididymis were retrieved for histological, immunohistochemical, molecular, testicular tissue stress oxidative status, and sperm parameters assays. Exposure to morphine, Met, and shift of morphine to Met resulted in testicular degeneration that can be attributed to generating the stress oxidative-induced- apoptotic testicular cell death and impairing spermatogenesis. Melatonin and N alone and particularly, in combination with each other improved testicular degeneration, sex hormone suppression, and testicular function mediated by increasing the testicular antioxidant capacity and inhibition of the apoptosis pathway. It's suggested that oral administration of antioxidants may be an effective treatment for attenuating some opioid-related testicular dysfunction and degeneration.
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Affiliation(s)
- Niloofar Mohammadi
- Department of Addiction, School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry), Iran University of Medical Sciences, Tehran, Iran
| | - Sadegh Shirian
- Department of Pathology, School of Veterinary Medicine, Shahrekord University, Shahrekord, Iran; Shiraz Molecular Pathology Research Center, Dr. Daneshbod Pathol Lab, Shiraz, Iran.
| | - Ali Gorji
- Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran; Epilepsy Research Center, Department of Neurosurgery, Westfälische Wilhelms-Universitat Münster, Munster, Germany
| | - Mohsen Roshanpajouh
- Department of Addiction, School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry), Iran University of Medical Sciences, Tehran, Iran
| | - Ebrahim Ahmadi
- Research Institute of Animal Embryo Technology, Shahrekord University, Shahrekord, Iran
| | - Hassan Nazari
- Research Institute of Animal Embryo Technology, Shahrekord University, Shahrekord, Iran
| | - Reza Arezoomandan
- Department of Addiction, School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry), Iran University of Medical Sciences, Tehran, Iran; School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA.
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16
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Zhu KW. Efficacy and safety evaluation of Azvudine in the prospective treatment of COVID-19 based on four phase III clinical trials. Front Pharmacol 2023; 14:1228548. [PMID: 37693894 PMCID: PMC10484631 DOI: 10.3389/fphar.2023.1228548] [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: 05/25/2023] [Accepted: 08/04/2023] [Indexed: 09/12/2023] Open
Abstract
Azvudine (FNC) is a synthetic nucleoside analog used to treat adult patients living with human immunodeficiency virus-1 (HIV-1) infection with high viral load. After phosphorylation, Azvudine inhibits RNA-dependent RNA polymerase, leading to the discontinuation of RNA chain synthesis in viruses. In addition, Azvudine is the first dual-target nucleoside oral drug worldwide to simultaneously target reverse transcriptase and viral infectivity factors in the treatment of HIV infection. On 9 August 2022, Azvudine was incorporated into the Guidelines for the Diagnosis and Treatment of Coronavirus Disease 2019 (version ninth) issued by the National Health Commission and the National Administration of Traditional Chinese Medicine. The recommended oral dose of Azvudine for the treatment of moderate coronavirus disease 2019 (COVID-19) is 5 mg once daily, and the duration of Azvudine treatment should not exceed 14 days. Four phase III clinical trials were performed during 2020-2022 to evaluate the efficacy and safety of Azvudine in the treatment of COVID-19. The results revealed that Azvudine could reduce nucleic acid-negative conversion time, viral load, and time to improvement in clinical conditions in patients with moderate COVID-19. In addition, Azvudine exhibited good safety and tolerance. Thereafter, Azvudine was incorporated into the Chinese guidelines and expert consensus for the treatment of COVID-19 and was highly approbated. Furthermore, Azvudine was also included in the Chinese guidelines for HIV infection.
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17
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Vishwanath D, Shete-Aich A, Honnegowda MB, Anand MP, Chidambaram SB, Sapkal G, Basappa B, Yadav PD. Discovery of Hybrid Thiouracil-Coumarin Conjugates as Potential Novel Anti-SARS-CoV-2 Agents Targeting the Virus's Polymerase "RdRp" as a Confirmed Interacting Biomolecule. ACS OMEGA 2023; 8:27056-27066. [PMID: 37546653 PMCID: PMC10398856 DOI: 10.1021/acsomega.3c02079] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/15/2023] [Indexed: 08/08/2023]
Abstract
The coronavirus (COVID-19) pandemic, along with its various strains, has emerged as a global health crisis that has severely affected humankind and posed a great challenge to the public health system of affected countries. The replication of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) mainly depends on RNA-dependent RNA polymerase (RdRp), a key enzyme that is involved in RNA synthesis. In this regard, we designed, synthesized, and characterized hybrid thiouracil and coumarin conjugates (HTCAs) by ether linkage, which were found to have anti-SARS-CoV-2 properties. Our in vitro real-time quantitative reverse transcription PCR (RT-qPCR) results confirmed that compounds such as 5d, 5e, 5f, and 5i inhibited the replication of SARS-CoV-2 with EC50 values of 14.3 ± 0.14, 6.59 ± 0.28, 86.3 ± 1.45, and 124 ± 2.38 μM, respectively. Also, compound 5d displayed significant antiviral activity against human coronavirus 229E (HCoV-229E). In addition, some of the HTCAs reduced the replication of SARS-CoV-2 variants such as D614G and B.617.2. In parallel, HTCAs in uninfected Vero CCL-81 cells indicated that no cytotoxicity was noticed. Furthermore, we compared the in silico interaction of lead compounds 5d and 5e toward the cocrystal structure of Suramin and RdRp polymerase with Remdesvir triphosphate, which showed that compounds 5d, 5e, and Remdesvir triphosphate (RTP) share a common catalytical site of RdRp but not Suramin. Additionally, the in silico ADMET properties predicted for the lead HTCAs and RTP showed that the maximum therapeutic doses recommended for compounds 5d and 5e were comparable to those of RTP. Concurrently, the pharmacokinetics of 5d was characterized in male Wistar Albino rats by administering a single oral gavage at a dose of 10 mg/kg, which gave a Cmax value of 0.22 μg/mL and a terminal elimination half-life period of 73.30 h. In conclusion, we established a new chemical entity that acts as a SARS-CoV-2 viral inhibitor with minimal or no toxicity to host cells in the rodent model, encouraging us to proceed with preclinical studies.
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Affiliation(s)
- Divakar Vishwanath
- Laboratory
of Chemical Biology, Department of Studies in Organic Chemistry, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Anita Shete-Aich
- Indian
Council of Medical Research- National Institute of Virology (ICMR-NIV), Pune, Maharashtra411021, India
| | | | - Mahesh Padukudru Anand
- Department
of Respiratory Medicine, JSS Medical College, and Hospital, JSS Academy of Higher Education & Research, Mysore 570015, Karnataka, India
| | - Saravana Babu Chidambaram
- Department
of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysore 570015, Karnataka, India
| | - Gajanan Sapkal
- Indian
Council of Medical Research- National Institute of Virology (ICMR-NIV), Pune, Maharashtra411021, India
| | - Basappa Basappa
- Laboratory
of Chemical Biology, Department of Studies in Organic Chemistry, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Pragya D. Yadav
- Indian
Council of Medical Research- National Institute of Virology (ICMR-NIV), Pune, Maharashtra411021, India
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18
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Aghajani M, Wong A, Azimi M, Harijani SM. Association between dietary antioxidant quality score and severity of coronavirus infection: a case-control study. Front Nutr 2023; 10:1174113. [PMID: 37485392 PMCID: PMC10358364 DOI: 10.3389/fnut.2023.1174113] [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: 02/25/2023] [Accepted: 06/14/2023] [Indexed: 07/25/2023] Open
Abstract
The purpose of this study was to examine the association between the dietary antioxidant quality score (DAQS) and the severity of Coronavirus disease 2019 (COVID-19). The present case-control study was carried out on 295 patients diagnosed with COVID-19 (≥18 years old), including 104 critical patients (Intensive care unit [ICU] admission) and 191 COVID-19 patients without severe complications (Non-intensive care unit [Non-ICU] patients) as cases. Dietary intake was assessed by a 147-item, semi-quantitative food frequency questionnaire (FFQ). Logistic regression was performed to calculate the odds ratio (OR) and 95% confidence interval (CI) for the considered risk factors. Our outcomes (after multivariate adjustment) suggested that higher adherence to DAQS was significantly associated with a decreased risk of COVID-19 infection severity (OR = 0.12; 95% CI: 0.04-0.29, p < 0.001). Similar results were seen when analyzed by sex [men (OR = 0.02; 95% CI: 0.002-0.15, p < 0.001) and women (OR = 0.21; 95% CI: 0.06-0.68, p = 0.012)]. A significant association between vitamin D3 intake and decreased risk of COVID-19 severity (OR = 0.91; 95% CI: 0.89-0.94, p < 0.001) was also observed. Moreover, multivariate results revealed that there were no significant associations between vitamin C (OR = 1.00; 95% CI: 0.99-1.00, p = 0.067), vitamin E (OR = 0.98; 95% CI: 0.86-1.11, p = 0.798), zinc (OR = 1.02; 95% CI: 0.86-1.20, p = 0.805), and selenium (OR = 0.99; 95% CI: 0.99-1.00, p = 0.077) intakes with the risk of COVID-19 severity. However, subgroup analyses by sex suggested a significant association between vitamin C intake and the risk of COVID-19 infection severity in women (OR = 1.00; 95% CI: 1.00-1.00, p = 0.028). Our findings showed a negative association between DAQS adherence and the risk of COVID-19 infection severity. Our results may be used to develop potential dietary therapies to decrease COVID-19 severity.
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Affiliation(s)
- Mobina Aghajani
- Department of Exercise Physiology, Faculty of Sport Sciences, University of Mazandaran, Babolsar, Iran
| | - Alexei Wong
- Department of Health and Human Performance, Marymount University, Arlington, TX, United States
| | - Mehdi Azimi
- Department of Internal Medicine, School of Medicine, Firoozgar General Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Shadmehr Mirdar Harijani
- Department of Exercise Physiology, Faculty of Sport Sciences, University of Mazandaran, Babolsar, Iran
- Athletic Performance and Health Research Center, University of Mazandaran, Babolsar, Iran
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19
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Onyango OH. In Silico Models for Anti-COVID-19 Drug Discovery: A Systematic Review. Adv Pharmacol Pharm Sci 2023; 2023:4562974. [PMID: 37362912 PMCID: PMC10287514 DOI: 10.1155/2023/4562974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/25/2023] [Accepted: 06/10/2023] [Indexed: 06/28/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) is a severe worldwide pandemic. Due to the emergence of various SARS-CoV-2 variants and the presence of only one Food and Drug Administration (FDA) approved anti-COVID-19 drug (remdesivir), the disease remains a mindboggling global public health problem. Developing anti-COVID-19 drug candidates that are effective against SARS-CoV-2 and its various variants is a pressing need that should be satisfied. This systematic review assesses the existing literature that used in silico models during the discovery procedure of anti-COVID-19 drugs. Cochrane Library, Science Direct, Google Scholar, and PubMed were used to conduct a literature search to find the relevant articles utilizing the search terms "In silico model," "COVID-19," "Anti-COVID-19 drug," "Drug discovery," "Computational drug designing," and "Computer-aided drug design." Studies published in English between 2019 and December 2022 were included in the systematic review. From the 1120 articles retrieved from the databases and reference lists, only 33 were included in the review after the removal of duplicates, screening, and eligibility assessment. Most of the articles are studies that use SARS-CoV-2 proteins as drug targets. Both ligand-based and structure-based methods were utilized to obtain lead anti-COVID-19 drug candidates. Sixteen articles also assessed absorption, distribution, metabolism, excretion, toxicity (ADMET), and drug-likeness properties. Confirmation of the inhibitory ability of the candidate leads by in vivo or in vitro assays was reported in only five articles. Virtual screening, molecular docking (MD), and molecular dynamics simulation (MDS) emerged as the most commonly utilized in silico models for anti-COVID-19 drug discovery.
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Affiliation(s)
- Okello Harrison Onyango
- Department of Biological Sciences, Molecular Biology, Computational Biology and Bioinformatics Section, School of Natural and Applied Sciences, Masinde Muliro University of Science and Technology, P.O. BOX 190, 50100 Kakamega, Kenya
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20
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Di Salvatore V, Crispino E, Maleki A, Nicotra G, Russo G, Pappalardo F. Computational identification of differentially-expressed genes as suggested novel COVID-19 biomarkers: A bioinformatics analysis of expression profiles. Comput Struct Biotechnol J 2023; 21:3339-3354. [PMID: 37347079 PMCID: PMC10259169 DOI: 10.1016/j.csbj.2023.06.007] [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: 02/01/2023] [Revised: 06/07/2023] [Accepted: 06/07/2023] [Indexed: 06/23/2023] Open
Abstract
COVID-19 was declared a pandemic in March 2020, and since then, it has not stopped spreading like wildfire in almost every corner of the world, despite the many efforts made to stem its spread. SARS-CoV-2 has one of the biggest genomes among RNA viruses and presents unique characteristics that differentiate it from other coronaviruses, making it even more challenging to find a cure or vaccine that is efficient enough. This work aims, using RNA sequencing (RNA-Seq) data, to evaluate whether the expression of specific human genes in the host can vary in different grades of disease severity and to determine the molecular origins of the differences in response to SARS-CoV-2 infection in different patients. In addition to quantifying gene expression, data coming from RNA-Seq allow for the discovery of new transcripts, the identification of alternative splicing events, the detection of allele-specific expression, and the detection of post-transcriptional alterations. For this reason, we performed differential expression analysis on different expression profiles of COVID-19 patients, using RNA-Seq data coming from NCBI public repository, and we obtained the lists of all differentially expressed genes (DEGs) emerging from 7 experimental conditions. We performed a Gene Set Enrichment Analysis (GSEA) on these genes to find possible correlations between DEGs and known disease phenotypes. We mainly focused on DEGs coming out from the analysis of the contrasts involving severe conditions to infer any possible relation between a worsening of the clinical picture and an over-representation of specific genes. Based on the obtained results, this study indicates a small group of genes that result up-regulated in the severe form of the disease. EXOSC5, MESD, REXO2, and TRMT2A genes are not differentially expressed or not present in the other conditions, being for that reason, good biomarkers candidates for the severe form of COVID-19 disease. The use of specific over-expressed genes, whether up-regulated or down-regulated, which have an individual role in each different condition of COVID-19 as a biomarker, can assist in early diagnosis.
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Affiliation(s)
| | - Elena Crispino
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Avisa Maleki
- Department of Mathematics and Computer Science, University of Catania, Catania, Italy
| | - Giulia Nicotra
- Department of Drug and Health Sciences, University of Catania, Catania, Italy
| | - Giulia Russo
- Department of Drug and Health Sciences, University of Catania, Catania, Italy
- Mimesis SRL, Catania, Italy
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21
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Abdalla M, Rabie AM. Dual computational and biological assessment of some promising nucleoside analogs against the COVID-19-Omicron variant. Comput Biol Chem 2023; 104:107768. [PMID: 36842392 PMCID: PMC9450471 DOI: 10.1016/j.compbiolchem.2022.107768] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/16/2022] [Accepted: 09/04/2022] [Indexed: 01/18/2023]
Abstract
Nucleoside analogs/derivatives (NAs/NDs) with potent antiviral activities are now deemed very convenient choices for the treatment of coronavirus disease 2019 (COVID-19) arisen by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. At the same time, the appearance of a new strain of SARS-CoV-2, the Omicron variant, necessitates multiplied efforts in fighting COVID-19. Counteracting the crucial SARS-CoV-2 enzymes RNA-dependent RNA polymerase (RdRp) and 3'-to-5' exoribonuclease (ExoN) jointly altogether using the same inhibitor is a quite successful new plan to demultiplicate SARS-CoV-2 particles and eliminate COVID-19 whatever the SARS-CoV-2 subtype is (due to the significant conservation nature of RdRps and ExoNs in the different SARS-CoV-2 strains). Successive in silico screening of known NAs finally disclosed six different promising NAs, which are riboprine/forodesine/tecadenoson/nelarabine/vidarabine/maribavir, respectively, that predictably can act through the planned dual-action mode. Further in vitro evaluations affirmed the anti-SARS-CoV-2/anti-COVID-19 potentials of these NAs, with riboprine and forodesine being at the top. The two NAs are able to effectively antagonize the replication of the new virulent SARS-CoV-2 strains with considerably minute in vitro anti-RdRp and anti-SARS-CoV-2 EC50 values of 189 and 408 nM for riboprine and 207 and 657 nM for forodesine, respectively, surpassing both remdesivir and the new anti-COVID-19 drug molnupiravir. Furthermore, the favorable structural characteristics of the two molecules qualify them for varied types of isosteric and analogistic chemical derivatization. In one word, the present important outcomes of this comprehensive dual study revealed the anticipating repurposing potentials of some known nucleosides, led by the two NAs riboprine and forodesine, to successfully discontinue the coronaviral-2 polymerase/exoribonuclease interactions with RNA nucleotides in the SARS-CoV-2 Omicron variant (BA.5 sublineage) and accordingly alleviate COVID-19 infections, motivating us to initiate the two drugs' diverse anti-COVID-19 pharmacological evaluations to add both of them betimes in the COVID-19 therapeutic protocols.
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Affiliation(s)
- Mohnad Abdalla
- Key Laboratory of Chemical Biology (Ministry of Education), Department of Pharmaceutics, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 Cultural West Road, Shandong Province 250012, PR China.
| | - Amgad M. Rabie
- Dr. Amgad Rabie's Research Lab. for Drug Discovery (DARLD), Mansoura City 35511, Mansoura, Dakahlia Governorate, Egypt,Head of Drug Discovery & Clinical Research Department, Dikernis General Hospital (DGH), Magliss El-Madina Street, Dikernis City 35744, Dikernis, Dakahlia Governorate, Egypt,Correspondence to: 16 Magliss El-Madina Street, Dikernis City 35744, Dikernis, Dakahlia Governorate, Egypt
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22
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Eltayb WA, Abdalla M, Rabie AM. Novel Investigational Anti-SARS-CoV-2 Agent Ensitrelvir "S-217622": A Very Promising Potential Universal Broad-Spectrum Antiviral at the Therapeutic Frontline of Coronavirus Species. ACS OMEGA 2023; 8:5234-5246. [PMID: 36798145 PMCID: PMC9897045 DOI: 10.1021/acsomega.2c03881] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/05/2022] [Indexed: 06/06/2023]
Abstract
Lately, nitrogenous heterocyclic antivirals, such as nucleoside-like compounds, oxadiazoles, thiadiazoles, triazoles, quinolines, and isoquinolines, topped the therapeutic scene as promising agents of choice for the treatment of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections and their accompanying ailment, the coronavirus disease 2019 (COVID-19). At the same time, the continuous emergence of new strains of SARS-CoV-2, like the Omicron variant and its multiple sublineages, resulted in a new defiance in the enduring COVID-19 battle. Ensitrelvir (S-217622) is a newly discovered orally active noncovalent nonpeptidic agent with potential strong broad-spectrum anticoronaviral activities, exhibiting promising nanomolar potencies against the different SARS-CoV-2 variants. S-217622 effectively and nonspecifically hits the main protease (Mpro) enzyme of a broad scope of coronaviruses. Herein, in the present computational/biological study, we tried to extend these previous findings to prove the universal activities of this investigational agent against any coronavirus, irrespective of its type, through synchronously acting on most of its main unchanged replication enzymes/proteins, including (in addition to the Mpro), e.g., the highly conserved RNA-dependent RNA polymerase (RdRp) and 3'-to-5' exoribonuclease (ExoN). Biochemical evaluation proved, using the in vitro anti-RdRp/ExoN bioassay, that S-217622 can potently inhibit the replication of coronaviruses, including the new virulent strains of SARS-CoV-2, with extremely minute in vitro anti-RdRp and anti-RdRp/ExoN half-maximal effective concentration (EC50) values of 0.17 and 0.27 μM, respectively, transcending the anti-COVID-19 drug molnupiravir. The preliminary in silico results greatly supported these biochemical results, proposing that the S-217622 molecule strongly and stabilizingly strikes the key catalytic pockets of the SARS-CoV-2 RdRp's and ExoN's principal active sites predictably via the nucleoside analogism mode of anti-RNA action (since the S-217622 molecule can be considered as a uridine analog). Moreover, the idealistic druglikeness and pharmacokinetic characteristics of S-217622 make it ready for pharmaceutical formulation with the expected very good clinical behavior as a drug for the infections caused by coronaviruses, e.g., COVID-19. To cut it short, the current critical findings of this extension work significantly potentiate and extend the S-217622's previous in vitro/in vivo (preclinical) results since they showed that the striking inhibitory activities of this novel anti-SARS-CoV-2 agent on the Mpro could be extended to other replication enzymes like RdRp and ExoN, unveiling the possible universal use of the compound against the next versions of the virus (i.e., disclosing the nonspecific anticoronaviral properties of this compound against almost any coronavirus strain), e.g., SARS-CoV-3, and encouraging us to rapidly start the compound's vast clinical anti-COVID-19 evaluations.
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Affiliation(s)
- Wafa A. Eltayb
- Biotechnology
Department, Faculty of Science and Technology, Shendi University, Shendi 11111, River Nile State, Sudan
| | - Mohnad Abdalla
- Key
Laboratory of Chemical Biology (Ministry of Education), Department
of Pharmaceutics, School of Pharmaceutical Sciences, Cheeloo College
of Medicine, Shandong University, 44 Cultural West Road, Jinan, Shandong Province 250012, P. R. China
| | - Amgad M. Rabie
- Dr.
Amgad Rabie’s Research Lab. for Drug Discovery (DARLD), Mansoura City 35511, Mansoura, Dakahlia Governorate, Egypt
- Drug
Discovery & Clinical Research Department, Dikernis General Hospital (DGH), Magliss El-Madina Street, Dikernis City 35744, Dikernis, Dakahlia
Governorate, Egypt
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23
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Rabie AM, Eltayb WA. Strong Dual Antipolymerase/Antiexonuclease Actions of Some Aminothiadiazole Antioxidants: A Promising In-Silico/ In-Vitro Repurposing Research Study against the COVID-19 Omicron Virus (B.1.1.529.3 Lineage). ADVANCES IN REDOX RESEARCH 2023:100064. [PMID: 36776420 PMCID: PMC9907022 DOI: 10.1016/j.arres.2023.100064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 01/03/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023]
Abstract
Currently, nitrogen-containing heterocyclic virucides take the lead as top options for treating the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections and their escorting disease, the coronavirus disease 2019 (COVID-19). But unfortunately, the sudden emergence of a new strain of SARS-CoV-2, the Omicron variant and its lineages, complicated matters in the incessant COVID-19 battle. Goaling the two paramount coronaviral-2 multiplication enzymes RNA-dependent RNA polymerase (RdRp) and 3'-to-5' exoribonuclease (ExoN) at synchronous times using single ligand is a quite effective new binary avenue to restrain SARS-CoV-2 reproduction and cease COVID-19 progression irrespective of the SARS-CoV-2 strain type, as RdRps and ExoNs are vastly conserved in all SARS-CoV-2 strains. The presented in-silico/in-vitro research winnowed our own small libraries of antioxidant nitrogenous heterocyclic compounds, inspecting for the utmost convenient drug candidates expectedly capable of effectively working through this dual tactic. Computational screening afforded three promising compounds of the antioxidant 1,3,4-thiadiazole class, which were named ChloViD2022, Taroxaz-26, and CoViTris2022. Subsequent biological examination, employing the in-vitro anti-RdRp/anti-ExoN and anti-SARS-CoV-2 assays, exclusively demonstrated that ChloViD2022, CoViTris2022, and Taroxaz-26 could efficiently block the replication of the new lineages of SARS-CoV-2 with considerably minute anti-RdRp and anti-SARS-CoV-2 EC50 values of about 0.18 and 0.44 μM for ChloViD2022, 0.22 and 0.72 μM for CoViTris2022, and 0.25 and 0.78 μM for Taroxaz-26, in the order, overtaking the standard anti-SARS-CoV-2 drug molnupiravir. These biochemical findings were optimally presupported by the results of the prior in-silico screening, suggesting that the three compounds might potently hit the catalytic active sites of the virus's RdRp and ExoN enzymes. Furthermore, the perfect pharmacophoric features of ChloViD2022, Taroxaz-26, and CoViTris2022 molecules make them typical dual inhibitors of SARS-CoV-2 replication and proofreading, with their relatively flexible structures eligible for diverse forms of chemical modification. In sum, the current important results of this thorough research work exposed the interesting repurposing potential of the three 2-amino-1,3,4-thiadiazole ligands, ChloViD2022, Taroxaz-26, and CoViTris2022, to effectively conflict with the vital biointeractions between the coronavirus's polymerase/exoribonuclease and the four essential RNA nucleotides, and, accordingly, arrest COVID-19 disease, persuading the relevant investigators to quickly begin the three agents' comprehensive preclinical and clinical anti-COVID-19 assessments.
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Affiliation(s)
- Amgad M Rabie
- Dr. Amgad Rabie's Research Lab. for Drug Discovery (DARLD), Mansoura City 35511, Mansoura, Dakahlia Governorate, Egypt
- Head of Drug Discovery & Clinical Research Department, Dikernis General Hospital (DGH), Magliss El-Madina Street, Dikernis City 35744, Dikernis, Dakahlia Governorate, Egypt
| | - Wafa A Eltayb
- Biotechnology Department, Faculty of Science and Technology, Shendi University, Shendi 11111, River Nile State, Sudan
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24
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Evaluation of a series of nucleoside analogs as effective anticoronaviral-2 drugs against the Omicron-B.1.1.529/BA.2 subvariant: A repurposing research study. Med Chem Res 2023; 32:326-341. [PMID: 36593869 PMCID: PMC9797896 DOI: 10.1007/s00044-022-02970-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 09/06/2022] [Indexed: 12/30/2022]
Abstract
Mysterious evolution of a new strain of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the Omicron variant, led to a new challenge in the persistent coronavirus disease 2019 (COVID-19) battle. Objecting the conserved SARS-CoV-2 enzymes RNA-dependent RNA polymerase (RdRp) and 3'-to-5' exoribonuclease (ExoN) together using one ligand is a successful new tactic to stop SARS-CoV-2 multiplication and COVID-19 progression. The current comprehensive study investigated most nucleoside analogs (NAs) libraries, searching for the most ideal drug candidates expectedly able to act through this double tactic. Gradual computational filtration afforded six different promising NAs, riboprine/forodesine/tecadenoson/nelarabine/vidarabine/maribavir. Further biological assessment proved that riboprine and forodesine are able to powerfully inhibit the replication of the new virulent strains of SARS-CoV-2 with extremely minute in vitro anti-RdRp and anti-SARS-CoV-2 EC50 values of about 0.21 and 0.45 μM for riboprine and about 0.23 and 0.70 μM for forodesine, respectively, surpassing both remdesivir and the new anti-COVID-19 drug molnupiravir. These biochemical findings were supported by the prior in silico data. Additionally, the ideal pharmacophoric features of riboprine and forodesine molecules render them typical dual-action inhibitors of SARS-CoV-2 replication and proofreading. These findings suggest that riboprine and forodesine could serve as prospective lead compounds against COVID-19. Graphical abstract.
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25
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Rabie AM, Abdalla M. Forodesine and Riboprine Exhibit Strong Anti-SARS-CoV-2 Repurposing Potential: In Silico and In Vitro Studies. ACS BIO & MED CHEM AU 2022; 2:565-585. [PMID: 37582236 PMCID: PMC9631343 DOI: 10.1021/acsbiomedchemau.2c00039] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/16/2022] [Accepted: 07/19/2022] [Indexed: 11/07/2022]
Abstract
Lately, nucleos(t)ide antivirals topped the scene as top options for the treatment of coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Targeting the two broadly conserved SARS-CoV-2 enzymes, RNA-dependent RNA polymerase (RdRp) and 3'-to-5' exoribonuclease (ExoN), together using only one shot is a very successful new tactic to stop SARS-CoV-2 multiplication irrespective of the SARS-CoV-2 variant type. Herein, the current studies investigated most nucleoside analogue (NA) libraries, searching for the ideal drug candidates expectedly able to act through this double tactic. Gradual computational filtration gave rise to six different promising NAs along with their corresponding triphosphate (TP) nucleotides. The subsequent biological assessment proved for the first time that, among the six NAs, riboprine and forodesine are able to hyperpotently inhibit the replication of the Omicron strain of SARS-CoV-2 with extremely low in vitro anti-RdRp, anti-ExoN, and anti-SARS-CoV-2 EC50 values of about 0.18, 0.28, and 0.40 μM for riboprine and about 0.20, 0.31, and 0.65 μM for forodesine, respectively, surpassing remdesivir and molnupiravir. The significant probability that both compounds may also act as prodrugs for their final TP nucleotides in vivo pushed us to examine the same activities for forodesine-TP and riboprine-TP. Both nucleotides similarly displayed very promising results, respectively, which are much better than those for the two reference TP nucleotides, GS-443902 and β-d-N4-hydroxycytidine 5'-TP (NHC-TP). The prior in silico data supported these biochemical findings, suggesting that riboprine and forodesine molecules and their expected active TP metabolites strongly hit the key catalytic pockets of the SARS-CoV-2 RdRp's and ExoN's main active sites. In brief, the current important results of this comprehensive study revealed the interesting repurposing potentials of, mainly, the two bioactive nucleosides forodesine and riboprine and their TP nucleotides to effectively shut down the polymerase/exoribonuclease-RNA nucleotide interactions of SARS-CoV-2 and consequently treat COVID-19 infections.
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Affiliation(s)
- Amgad M. Rabie
- Dr.
Amgad Rabie’s Research Lab. for Drug Discovery (DARLD), Mansoura City35511,Mansoura, Dakahlia Governorate, Egypt
- Head
of Drug Discovery & Clinical Research Department, Dikernis General Hospital (DGH), Magliss El-Madina Street, Dikernis City35744,Dikernis, Dakahlia Governorate, Egypt
| | - Mohnad Abdalla
- Key
Laboratory of Chemical Biology (Ministry of Education), Department
of Pharmaceutics, School of Pharmaceutical Sciences, Cheeloo College
of Medicine, Shandong University, 44 Cultural West Road, Jinan, Shandong Province250012, P. R. China
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26
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Rabie AM, Abdalla M. A Series of Adenosine Analogs as the First Efficacious Anti-SARS-CoV-2 Drugs against the B.1.1.529.4 Lineage: A Preclinical Repurposing Research Study. ChemistrySelect 2022; 7:e202201912. [PMID: 36718467 PMCID: PMC9877610 DOI: 10.1002/slct.202201912] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 09/30/2022] [Indexed: 12/13/2022]
Abstract
Given the rapid progression of the coronavirus disease 2019 (COVID-19) pandemic, an ultrafast response was urgently required to handle this major public crisis. To contain the pandemic, investments are required to develop diagnostic tests, prophylactic vaccines, and novel therapies. Lately, nucleoside analog (NA) antivirals topped the scene as top options for the treatment of COVID-19 caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections. Meanwhile, the continuous generation of new lineages of the SARS-CoV-2 Omicron variant caused a new challenge in the persistent COVID-19 battle. Hitting the two crucial SARS-CoV-2 enzymes RNA-dependent RNA polymerase (RdRp) and 3'-to-5' exoribonuclease (ExoN) collectively together using only one single ligand is a very successful new approach to stop SARS-CoV-2 multiplication and combat COVID-19 irrespective of the SARS-CoV-2 variant type because RdRps and ExoNs are broadly conserved among all SARS-CoV-2 strains. Herein, the current comprehensive study investigated most NAs libraries, searching for the most ideal drug candidates expectedly able to perfectly act through this double tactic. Gradual computational filtration gave rise to six different promising NAs, which are riboprine, forodesine, tecadenoson, nelarabine, vidarabine, and maribavir, respectively. Further biological assessment proved for the first time, using the in vitro anti-RdRp/ExoN and anti-SARS-CoV-2 bioassays, that riboprine and forodesine, among all the six tested NAs, are able to powerfully inhibit the replication of the new virulent strains of SARS-CoV-2 with extremely minute in vitro anti-RdRp and anti-SARS-CoV-2 EC50 values of about 0.22 and 0.49 μM for riboprine and about 0.25 and 0.73 μM for forodesine, respectively, surpassing both remdesivir and the new anti-COVID-19 drug molnupiravir. The prior in silico data supported these biochemical findings, suggesting that riboprine and forodesine molecules strongly hit the key catalytic pockets of the SARS-CoV-2 (Omicron variant) RdRp's and ExoN's main active sites. Additionally, the ideal pharmacophoric features of riboprine and forodesine molecules render them typical dual-action inhibitors of SARS-CoV-2 replication and proofreading, with their relatively flexible structures open for diverse types of chemical derivatization. In Brief, the current important results of this comprehensive study revealed the interesting repurposing potentials of, mainly, the two nucleosides riboprine and forodesine to effectively shut down the polymerase/exoribonuclease-RNA nucleotides interactions of the SARS-CoV-2 Omicron variant and consequently treat COVID-19 infections, motivating us to rapidly begin the two drugs' broad preclinical/clinical anti-COVID-19 bioevaluations, hoping to combine both drugs soon in the COVID-19 treatment protocols.
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Affiliation(s)
- Amgad M. Rabie
- Dr. Amgad Rabie's Research Lab. for Drug Discovery (DARLD)35511MansouraDakahlia GovernorateEgypt,Head of Drug Discovery & Clinical Research Department Dikernis General Hospital (DGH)Magliss El-Madina Street Dikernis35744DikernisDakahlia GovernorateEgypt
| | - Mohnad Abdalla
- Key Laboratory of Chemical Biology (Ministry of Education)Department of PharmaceuticsSchool of Pharmaceutical SciencesCheeloo College of MedicineShandong University44 Cultural West RoadShandong Province250012PR China
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27
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Agrawal S, Pathak E, Mishra R, Mishra V, Parveen A, Mishra SK, Byadgi PS, Dubey SK, Chaudhary AK, Singh V, Chaurasia RN, Atri N. Computational exploration of the dual role of the phytochemical fortunellin: Antiviral activities against SARS-CoV-2 and immunomodulatory abilities against the host. Comput Biol Med 2022; 149:106049. [PMID: 36103744 PMCID: PMC9452420 DOI: 10.1016/j.compbiomed.2022.106049] [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: 01/11/2022] [Revised: 08/16/2022] [Accepted: 08/20/2022] [Indexed: 01/18/2023]
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infections generate approximately one million virions per day, and the majority of available antivirals are ineffective against it due to the virus's inherent genetic mutability. This necessitates the investigation of concurrent inhibition of multiple SARS-CoV-2 targets. We show that fortunellin (acacetin 7-O-neohesperidoside), a phytochemical, is a promising candidate for preventing and treating coronavirus disease (COVID-19) by targeting multiple key viral target proteins. Fortunellin supports protective immunity while inhibiting pro-inflammatory cytokines and apoptosis pathways and protecting against tissue damage. Fortunellin is a phytochemical found in Gojihwadi kwath, an Indian traditional Ayurvedic formulation with an antiviral activity that is effective in COVID-19 patients. The mechanistic action of its antiviral activity, however, is unknown. The current study comprehensively evaluates the potential therapeutic mechanisms of fortunellin in preventing and treating COVID-19. We have used molecular docking, molecular dynamics simulations, free-energy calculations, host target mining of fortunellin, gene ontology enrichment, pathway analyses, and protein-protein interaction analysis. We discovered that fortunellin reliably binds to key targets that are necessary for viral replication, growth, invasion, and infectivity including Nucleocapsid (N-CTD) (-54.62 kcal/mol), Replicase-monomer at NSP-8 binding site (-34.48 kcal/mol), Replicase-dimer interface (-31.29 kcal/mol), Helicase (-30.02 kcal/mol), Papain-like-protease (-28.12 kcal/mol), 2'-O-methyltransferase (-23.17 kcal/mol), Main-protease (-21.63 kcal/mol), Replicase-monomer at dimer interface (-22.04 kcal/mol), RNA-dependent-RNA-polymerase (-19.98 kcal/mol), Nucleocapsid-NTD (-16.92 kcal/mol), and Endoribonuclease (-16.81 kcal/mol). Furthermore, we identify and evaluate the potential human targets of fortunellin and its effect on the SARS-CoV-2 infected tissues, including normal-human-bronchial-epithelium (NHBE) and lung cells and organoids such as pancreatic, colon, liver, and cornea using a network pharmacology approach. Thus, our findings indicate that fortunellin has a dual role; multi-target antiviral activities against SARS-CoV-2 and immunomodulatory capabilities against the host.
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Affiliation(s)
- Shivangi Agrawal
- Bioinformatics, MMV, Institute of Science, Banaras Hindu University, India
| | - Ekta Pathak
- Institute of Diabetes and Obesity, Helmholtz Zentrum München, Neuherberg, Germany.
| | - Rajeev Mishra
- Bioinformatics, MMV, Institute of Science, Banaras Hindu University, India.
| | - Vibha Mishra
- Bioinformatics, MMV, Institute of Science, Banaras Hindu University, India
| | - Afifa Parveen
- Bioinformatics, MMV, Institute of Science, Banaras Hindu University, India
| | | | | | - Sushil Kumar Dubey
- Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, India
| | | | | | | | - Neelam Atri
- Department of Botany, MMV, Banaras Hindu University, India
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Battaglini D, Cruz F, Robba C, Pelosi P, Rocco PRM. Failed clinical trials on COVID-19 acute respiratory distress syndrome in hospitalized patients: common oversights and streamlining the development of clinically effective therapeutics. Expert Opin Investig Drugs 2022; 31:995-1015. [PMID: 36047644 DOI: 10.1080/13543784.2022.2120801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
INTRODUCTION The coronavirus disease 2019 (COVID-19) pandemic has put a strain on global healthcare systems. Despite admirable efforts to develop rapidly new pharmacotherapies, supportive treatments remain the standard of care. Multiple clinical trials have failed due to design issues, biased patient enrollment, small sample sizes, inadequate control groups, and lack of long-term outcomes monitoring. AREAS COVERED This narrative review depicts the current situation around failed and success COVID-19 clinical trials and recommendations in hospitalized patients with COVID-19, oversights and streamlining of clinically effective therapeutics. PubMed, EBSCO, Cochrane Library, and WHO and NIH guidelines were searched for relevant literature up to 5 August 2022. EXPERT OPINION The WHO, NIH, and IDSA have issued recommendations to better clarify which drugs should be used during the different phases of the disease. Given the biases and high heterogeneity of published studies, interpretation of the current literature is difficult. Future clinical trials should be designed to standardize clinical approaches, with appropriate organization, patient selection, addition of control groups, and careful identification of disease phase to reduce heterogeneity and bias and should rely on the integration of scientific societies to promote a consensus on interpretation of the data and recommendations for optimal COVID-19 therapies.
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Affiliation(s)
- Denise Battaglini
- Dipartimento di Anestesia e Rianimazione, Policlinico San Martino, IRCCS per l'Oncologia e le Neuroscienze, Genoa, Italy
| | - Fernanda Cruz
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Chiara Robba
- Policlinico San Martino, IRCCS per l'Oncologia e Neuroscienze, Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate, Università degli Studi di Genova, Genoa, Italy
| | - Paolo Pelosi
- Dipartimento di Anestesia e Rianimazione, Policlinico San Martino, IRCCS per l'Oncologia e le Neuroscienze, Genoa, Italy.,Policlinico San Martino, IRCCS per l'Oncologia e Neuroscienze, Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate, Università degli Studi di Genova, Genoa, Italy
| | - Patricia R M Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,COVID-19 Virus Network from Ministry of Science, Technology, and Innovation, Brazilian Council for Scientific and Technological Development, and Foundation Carlos Chagas Filho Research Support of the State of Rio de Janeiro, Rio de Janeiro, Brazil
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Rabie AM. Efficacious Preclinical Repurposing of the Nucleoside Analogue Didanosine against COVID-19 Polymerase and Exonuclease. ACS OMEGA 2022; 7:21385-21396. [PMID: 35785294 PMCID: PMC9244909 DOI: 10.1021/acsomega.1c07095] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/16/2022] [Indexed: 01/18/2023]
Abstract
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Analogues and derivatives
of natural nucleosides/nucleotides are
considered among the most successful bioactive species of drug-like
compounds in modern medicinal chemistry, as they are well recognized
for their diverse and efficient pharmacological activities in humans,
especially as antivirals and antitumors. Coronavirus disease 2019
(COVID-19) is still almost incurable, with its infectious viral microbe,
the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2),
continuing to wreak devastation around the world. This global crisis
pushed all involved scientists, including drug discoverers and clinical
researchers, to try to find an effective and broad-spectrum anti-COVID-19
drug. Didanosine (2′,3′-dideoxyinosine, DDI) is a synthetic
inosine/adenosine/guanosine analogue and highly active antiretroviral
therapeutic agent used for the treatment of human immunodeficiency
virus infection and acquired immunodeficiency syndrome (HIV/AIDS).
This potent reverse-transcriptase inhibitor is characterized by proven
strong pharmacological effects against the viral genome, which may
successfully take part in the effective treatment of SARS-CoV-2/COVID-19.
Additionally, targeting the pivotal SARS-CoV-2 replication enzyme,
RNA-dependent RNA polymerase (RdRp), is a very successful tactic to
combat COVID-19 irrespective of the SARS-CoV-2 variant type because
RdRps are broadly conserved among all SARS-CoV-2 strains. Herein,
the current study proved for the first time, using the in
vitro antiviral evaluation, that DDI is capable of potently
inhibiting the replication of the novel virulent progenies of SARS-CoV-2
with quite tiny in vitro anti-SARS-CoV-2 and anti-RdRp
EC50 values of around 3.1 and 0.19 μM, respectively,
surpassing remdesivir together with its active metabolite (GS-441524).
Thereafter, the in silico computational interpretation
of the biological results supported that DDI strongly targets the
key pocket of the SARS-CoV-2 RdRp main catalytic active site. The
ideal pharmacophoric characteristics of the ligand DDI make it a typical
inhibiting agent of SARS-CoV-2 multiplication processes (including
high-fidelity proofreading), with its elastic structure open for many
kinds of derivatization. In brief, the present results further uphold
and propose the repurposing potentials of DDI against the different
types of COVID-19 and convincingly motivate us to quickly launch its
extensive preclinical/clinical pharmacological evaluations, hoping
to combine it in the COVID-19 therapeutic protocols soon.
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Affiliation(s)
- Amgad M. Rabie
- Dr. Amgad Rabie’s Research Lab. for Drug Discovery (DARLD), Mansoura 35511, Egypt
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
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Sharma D, Om H, Sharma AK. Potential Synthetic Routes and Metal-Ion Sensing Applications of 1,3,4-Oxadiazoles: An Integrative Review. Crit Rev Anal Chem 2022; 54:416-436. [PMID: 35617470 DOI: 10.1080/10408347.2022.2080494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Oxadiazoles, especially 1,3,4-oxadiazole scaffolds, stand among the foremost heterocyclic fragments with a broad spectrum of applications in diverse fields, including pharmacology, polymers, material science, and organic electronics, among others. In this comprehensive review, we summarize the pivotal synthetic strategies for 1,3,4-oxadiazole derivatives including dehydrogenative cyclization of 1,2-diacylhydrazines, oxidative cyclization of acylhydrazones, condensation cyclization, C-H activation of oxadiazole ring, decarboxylative cyclization and oxidative annulation along with plausible mechanisms. The set of 1,3,4-oxadiazoles selected from the literature and discussed herein epitomize the ease of synthesis as well as the possibility of linking π-conjugated groups; thereby encouraging the use of these molecules as important starting building blocks for a wide variety of fluorescent frameworks, particularly in the development of potential chemosensors. High photoluminescent quantum yield, excellent thermal and chemical stability, and the presence of potential coordination (N and O donor atoms) sites make these molecules a prominent choice for metal-ions sensors. An overview of selective metal-ion sensing, the detection limit along with the sensing mechanisms (photo-induced electron transfer, excited-state intramolecular proton transfer, and complex formation) is also included.
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Affiliation(s)
- Deepak Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Sonipat, India
| | - Hari Om
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Sonipat, India
| | - Ashok Kumar Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Sonipat, India
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Rabie AM. Potent Inhibitory Activities of the Adenosine Analogue Cordycepin on SARS-CoV-2 Replication. ACS OMEGA 2022; 7:2960-2969. [PMID: 35071937 PMCID: PMC8767658 DOI: 10.1021/acsomega.1c05998] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/14/2021] [Indexed: 01/18/2023]
Abstract
![]()
Nucleoside analogues
are among the most successful bioactive classes
of druglike compounds in pharmaceutical chemistry as they are well-known
for their numerous effective bioactivities in humans, especially as
antiviral and anticancer agents. Coronavirus disease 2019 (COVID-19)
is still untreatable, with its causing virus, the severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2), continuing to wreak havoc on
the ground everywhere. This complicated international situation urged
all concerned scientists, including medicinal chemists and drug discoverers,
to search for a potent anti-COVID-19 drug. Cordycepin (3′-deoxyadenosine)
is a known natural adenosine analogue of fungal origin, which could
also be synthetically produced. This bioactive phytochemical compound
is characterized by several proven strong pharmacological actions
that may effectively contribute to the comprehensive treatment of
COVID-19, with the antiviral activities being the leading ones. Some
new studies predicted the possible inhibitory affinities of cordycepin
against the principal SARS-CoV-2 protein targets (e.g., SARS-CoV-2 spike (S) protein, main protease (Mpro) enzyme,
and RNA-dependent RNA polymerase (RdRp) enzyme) based on the computational
approach. Interestingly, the current research showed, for the first
time, that cordycepin is able to potently inhibit the multiplication
of the new resistant strains of SARS-CoV-2 with a very minute in vitro anti-SARS-CoV-2 EC50 of about 2 μM,
edging over both remdesivir and its active metabolite GS-441524. The
ideal pharmacophoric features of the cordycepin molecule render it
a typical inhibitor of SARS-CoV-2 replication, with its flexible structure
open for most types of derivatization in the future. Briefly, the
current findings further support and suggest the repurposing possibility
of cordycepin against COVID-19 and greatly encourage us to confidently
and rapidly begin its preclinical/clinical evaluations for the comprehensive
treatment of COVID-19.
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Affiliation(s)
- Amgad M. Rabie
- Dr. Amgad Rabie’s Research Lab. for Drug Discovery (DARLD), Mansoura 35511, Egypt
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
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Wu Y, Crich D, Pegan SD, Lou L, Hansen MC, Booth C, Desrochers E, Mullininx LN, Starling EB, Chang KY, Xie ZR. Polyphenols as Potential Inhibitors of SARS-CoV-2 RNA Dependent RNA Polymerase (RdRp). Molecules 2021; 26:7438. [PMID: 34946521 PMCID: PMC8706955 DOI: 10.3390/molecules26247438] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/08/2021] [Accepted: 12/02/2021] [Indexed: 01/18/2023] Open
Abstract
An increasing number of studies have demonstrated the antiviral nature of polyphenols, and many polyphenols have been proposed to inhibit SARS-CoV or SARS-CoV-2. Our previous study revealed the inhibitory mechanisms of polyphenols against DNA polymerase α and HIV reverse transcriptase to show that polyphenols can block DNA elongation by competing with the incoming NTPs. Here we applied computational approaches to examine if some polyphenols can also inhibit RNA polymerase (RdRp) in SARS-CoV-2, and we identified some better candidates than remdesivir, the FDA-approved drug against RdRp, in terms of estimated binding affinities. The proposed compounds will be further examined to develop new treatments for COVID-19.
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Affiliation(s)
- Yifei Wu
- School of Electrical and Computer Engineering, College of Engineering, University of Georgia, Athens, GA 30602, USA; (Y.W.); (L.L.)
| | - David Crich
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA 30602, USA;
| | - Scott D. Pegan
- Division of Biomedical Sciences, School of Medicine, University of California Riverside, Riverside, CA 92521, USA;
| | - Lei Lou
- School of Electrical and Computer Engineering, College of Engineering, University of Georgia, Athens, GA 30602, USA; (Y.W.); (L.L.)
| | - Madelyn C. Hansen
- Franklin College of Arts and Sciences, University of Georgia, Athens, GA 30602, USA; (M.C.H.); (C.B.); (E.D.); (L.N.M.); (E.B.S.)
| | - Carson Booth
- Franklin College of Arts and Sciences, University of Georgia, Athens, GA 30602, USA; (M.C.H.); (C.B.); (E.D.); (L.N.M.); (E.B.S.)
| | - Ellison Desrochers
- Franklin College of Arts and Sciences, University of Georgia, Athens, GA 30602, USA; (M.C.H.); (C.B.); (E.D.); (L.N.M.); (E.B.S.)
| | - Lauren Nicole Mullininx
- Franklin College of Arts and Sciences, University of Georgia, Athens, GA 30602, USA; (M.C.H.); (C.B.); (E.D.); (L.N.M.); (E.B.S.)
| | - Edward B. Starling
- Franklin College of Arts and Sciences, University of Georgia, Athens, GA 30602, USA; (M.C.H.); (C.B.); (E.D.); (L.N.M.); (E.B.S.)
| | - Kuan Y. Chang
- Department of Computer Science and Engineering, National Taiwan Ocean University, Keelung 202, Taiwan
| | - Zhong-Ru Xie
- School of Electrical and Computer Engineering, College of Engineering, University of Georgia, Athens, GA 30602, USA; (Y.W.); (L.L.)
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Teriflunomide: A possible effective drug for the comprehensive treatment of COVID-19. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2021; 2:100055. [PMID: 34870153 PMCID: PMC8433057 DOI: 10.1016/j.crphar.2021.100055] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/30/2021] [Accepted: 09/08/2021] [Indexed: 01/18/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has undoubtedly become a global crisis. Consequently, discovery and identification of new or known potential drug candidates to solve the health problems caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have become an urgent necessity. This current research study sheds light on the possible direct repurposing of the antirheumatic drug teriflunomide to act as an effective and potent anti-SARS-CoV-2 agent. Herein, an interesting computational molecular docking study of teriflunomide, to investigate and evaluate its potential inhibitory activities on the novel coronaviral-2 RNA-dependent RNA polymerase (nCoV-RdRp) protein, was reported. The docking procedures were accurately carried out on nCoV-RdRp (with/without RNA) using the COVID-19 Docking Server, through adjusting it on the small molecule docking mode. Remdesivir and its active metabolite (GS-441524) were used as the active references for the comparison and evaluation purpose. Interestingly, the computational docking analysis of the best inhibitory binding mode of teriflunomide in the binding pocket of the active site of the SARS-CoV-2 RdRp revealed that teriflunomide may exhibit significantly stronger inhibitory binding interactions and better inhibitory binding affinities (teriflunomide has considerably lower binding energies of -9.70 and -7.80 kcal/mol with RdRp-RNA and RdRp alone, respectively) than both references. It was previously reported that teriflunomide strongly inhibits the viral replication and reproduction through two mechanisms of action, thus the results obtained in the present study surprisingly support the double mode of antiviral action of this antirheumatic ligand. In conclusion, the current research paved the way to practically prove the hypothetical theory of the promising abilities of teriflunomide to successfully attack the SARS-CoV-2 particles and inhibit their replication in a triple mode of action through integrating the newly-discovered nCoV-RdRp-inhibiting properties with the previously-known two anticoronaviral mechanisms of action. Based on the previous interesting facts and results, the triple SARS-CoV-2/sextet COVID-19 attacker teriflunomide can further undergo in vitro/in vivo anti-COVID-19 assays together with preclinical/clinical studies and trials in an attempt to evaluate and prove its comprehensive pharmacological activities against the different SARS-CoV-2 strains to be effectively used in COVID-19 therapy in the very near future.
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Rabie AM. Cyanorona-20: The first potent anti-SARS-CoV-2 agent. Int Immunopharmacol 2021; 98:107831. [PMID: 34247016 PMCID: PMC8164343 DOI: 10.1016/j.intimp.2021.107831] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/13/2021] [Accepted: 05/26/2021] [Indexed: 01/18/2023]
Abstract
Explicit hindrance and blockade of the viral RNA-dependent RNA polymerase (RdRp) of SARS-CoV-2 is considered one of the most promising and efficient approaches for developing highly potent remedies for COVID-19. However, almost all of the reported viral RdRp inhibitors (either repurposed or new antiviral drugs) lack specific selectivity against the novel coronaviral RdRp and still at a beginning phase of advancement. Herein, I discovered and introduce a new pyrazine derivative, (E)-N-(4-cyanobenzylidene)-6-fluoro-3-hydroxypyrazine-2-carboxamide (cyanorona-20), as the first potent SARS-CoV-2 RdRp inhibitor with very high selectivity (209- and 45-fold more potent than favipiravir and remdesivir, respectively). This promising selective specific anti-COVID-19 compound is also deemed to be the first distinctive derivative of favipiravir. Cyanorona-20, the unprecedented nucleoside/nucleotide analog, was designed, synthesized, characterized, computationally studied, and biologically evaluated for its anti-COVID-19 actions (through a precise in vitro anti-COVID-19 assay). The results of the biological assay displayed that cyanorona-20 surprisingly exhibited very high and largely significant anti-COVID-19 activities (anti-SARS-CoV-2 EC50 = 0.45 μM), and, in addition, it could be also a very promising guide and lead compound for the design and synthesis of new anti-SARS-CoV-2 and anti-COVID-19 agents through structural modifications and further computational studies. Further appraisal for the improvement of cyanorona-20 medication is a prerequisite requirement in the coming days. In a word, the ascent of the second member (cyanorona-20 “Corona Antidote”) of the novel and promising class of anti-COVID-19 pyrazine derivatives would drastically make a medical uprising in the pharmacotherapeutic treatment regimens and protocols of the recently-emerged SARS-CoV-2 infection and its accompanying COVID-19.
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Affiliation(s)
- Amgad M Rabie
- Dr. Amgad Rabie's Research Lab. for Drug Discovery (DARLD), Mansoura, Egypt.
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