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      Traditional Chinese Medicine (TCM) in the treatment of viral infections: Efficacies and mechanisms

      review-article
      a , 1 , b , 1 , b , 1 , a , 1 , b , * , a , *
      Pharmacology & Therapeutics
      Published by Elsevier Inc.
      Traditional Chinese Medicine (TCM), Viral infections, COVID-19, Jinhua Qinggan granules (JHQG), Lianhua Qingwen capsules (LHQW), Lung Cleansing and Detoxifying Decoction (LCDD), Xuanfeibaidu granules (XFBD), Huashibaidu granules (HSBD), Xuebijing (XBJ), Angiotensin converting enzyme 2 (ACE2), Coronavirus 3-chymotrypsin-like protease (3CLpro), Interleukin-6 (IL-6), 3CLpro, Coronavirus 3-chymotrypsin-like protease, ACE2, angiotensin converting enzyme 2, AGE-RAGE, Advanced glycation end products-Receptor for AGE, Akt, Protein kinase B, ARDS, Acute respiratory distress syndrome, BCL2, B-cell lymphoma 2, CASP3, Caspase 3, CCL2, C-C Motif Chemokine Ligand 2, COVID, Coronavirus disease, COVID-19, Coronavirus disease 2019, COX-2, Cyclooxygenase-2, CRP, C-reactive protein, CT, computerized tomography, CVA, cough variant asthma, DAVID, Database for Annotation, Visualization, and Integrated Discovery, EGFR, epidermal growth factor receptor, ESR, erythrocyte sedimentation rate, GO, gene ontology, HIF-1, Hypoxia-Inducible Factor-1, HNF4A, hepatocyte nuclear factor 4 alpha, HSBD, Huashibaidu granules, HSP90AA1, Heat shock protein HSP 90-alpha, HSP90AB1, Heat shock protein HSP 90-beta, HXZQ, Huoxiang Zhengqi dropping pills, IC50, 50% inhibitory concentration, ICU, intensive care unit, IFN-γ, Interferon gamma, IL-6, Interleukin-6, IP-10, Interferon gamma-induced protein 10, JHQG, Jinhua Qinggan granules, KEGG, Kyoto Encyclopedia of Genes and Genomes, LCDD, Lung Cleansing and Detoxifying Decoction, LHQW, Lianhua Qingwen capsules, MAPK, Mitogen-activated protein kinase, MCP-1, Monocyte Chemoattractant Protein-1, miRNAs, micro RNAs, NCOA2, Nuclear receptor coactivator 2, NFkB, Nuclear factor kappa B, NOS2, Nitric Oxide Synthase 2 (inducible Nitric Oxide Synthase/iNOS), Nrf2, nuclear factor erythroid 2-related factor 2, PCT, procalcitonin, PI3K, Phosphoinositide 3-kinase, PPARG, peroxisome proliferator-activated receptor gamma, PPI, protein-protein interaction, PTGS1, Prostaglandin-endoperoxide synthase 1, PTGS2, Prostaglandin-endoperoxide synthase 2, RCT, randomized controlled trial, ROS, reactive oxygen species, SARS-CoV-2, Severe acute respiratory syndrome coronavirus 2, SIRS, systematic inflammatory response syndrome, SOCS1, suppressor of cytokine signaling 1, S protein, SARS-CoV-2 spike (S) glycoprotein, TCM, Traditional Chinese Medicine, TCMID, Traditional Chinese Medicine Integrated Database, TFs, transcription factors, TNF-α, Tumor Necrosis Factor Alpha, TP53, Tumor protein p53, UPLC-DAD-QTOF-MS, Ultra performance liquid chromatography coupled with diode-array detector and quadrupole time-of-flight mass spectrometry , WBC, white blood cell, WHO, World Health Organization, XBJ, Xuebijing, XFBD, Xuanfeibaidu granules

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          Abstract

          COVID-19 has remained an uncontained, worldwide pandemic. While battling for the disease in China, six Traditional Chinese Medicine (TCM) recipes have been shown to be remarkably effective for treating patients with COVID-19. The present review discusses principles of TCM in curing infectious disease, and clinical evidence and mechanisms of the 6 most effective TCM recipes used in treating COVID-19 in 92% of all of the confirmed cases in China. Applications of TCM and specific recipes in the treatment of other viral infections, such as those caused by SARS-CoV, MERS-CoV, hepatitis B virus, hepatitis C virus, influenza A virus (including H1N1 and H7N9), influenza B, dengue virus as well as Ebola virus, are also discussed. Among the 6 TCM recipes, Jinhua Qinggan (JHQG) granules and Lianhua Qingwen (LHQW) capsules are recommended during medical observation; Lung Cleansing and Detoxifying Decoction (LCDD) is recommended for the treatment of both severe and non-severe patients; Xuanfeibaidu (XFBD) granules are recommended for treating moderate cases; while Huashibaidu (HSBD) and Xuebijing (XBJ) have been used in managing severe cases effectively. The common components and the active ingredients of the six TCM recipes have been summarized to reveal most promising drug candidates. The potential molecular mechanisms of the active ingredients in the six TCM recipes that target ACE2, 3CL pro and IL-6, revealed by molecular biological studies and/or network pharmacology prediction/molecular docking analysis/visualization analysis, are fully discussed. Therefore, further investigation of these TCM recipes may be of high translational value in revealing novel targeted therapies for COVID-19, potentially via purification and characterization of the active ingredients in the effective TCM recipes.

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          Most cited references117

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          SARS-CoV-2 Cell Entry Depends on ACE2 and TMPRSS2 and Is Blocked by a Clinically Proven Protease Inhibitor

          Summary The recent emergence of the novel, pathogenic SARS-coronavirus 2 (SARS-CoV-2) in China and its rapid national and international spread pose a global health emergency. Cell entry of coronaviruses depends on binding of the viral spike (S) proteins to cellular receptors and on S protein priming by host cell proteases. Unravelling which cellular factors are used by SARS-CoV-2 for entry might provide insights into viral transmission and reveal therapeutic targets. Here, we demonstrate that SARS-CoV-2 uses the SARS-CoV receptor ACE2 for entry and the serine protease TMPRSS2 for S protein priming. A TMPRSS2 inhibitor approved for clinical use blocked entry and might constitute a treatment option. Finally, we show that the sera from convalescent SARS patients cross-neutralized SARS-2-S-driven entry. Our results reveal important commonalities between SARS-CoV-2 and SARS-CoV infection and identify a potential target for antiviral intervention.
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            KEGG: kyoto encyclopedia of genes and genomes.

            M Kanehisa (2000)
            KEGG (Kyoto Encyclopedia of Genes and Genomes) is a knowledge base for systematic analysis of gene functions, linking genomic information with higher order functional information. The genomic information is stored in the GENES database, which is a collection of gene catalogs for all the completely sequenced genomes and some partial genomes with up-to-date annotation of gene functions. The higher order functional information is stored in the PATHWAY database, which contains graphical representations of cellular processes, such as metabolism, membrane transport, signal transduction and cell cycle. The PATHWAY database is supplemented by a set of ortholog group tables for the information about conserved subpathways (pathway motifs), which are often encoded by positionally coupled genes on the chromosome and which are especially useful in predicting gene functions. A third database in KEGG is LIGAND for the information about chemical compounds, enzyme molecules and enzymatic reactions. KEGG provides Java graphics tools for browsing genome maps, comparing two genome maps and manipulating expression maps, as well as computational tools for sequence comparison, graph comparison and path computation. The KEGG databases are daily updated and made freely available (http://www. genome.ad.jp/kegg/).
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              Structure of the SARS-CoV-2 spike receptor-binding domain bound to the ACE2 receptor

              A new and highly pathogenic coronavirus (severe acute respiratory syndrome coronavirus-2, SARS-CoV-2) caused an outbreak in Wuhan city, Hubei province, China, starting from December 2019 that quickly spread nationwide and to other countries around the world1-3. Here, to better understand the initial step of infection at an atomic level, we determined the crystal structure of the receptor-binding domain (RBD) of the spike protein of SARS-CoV-2 bound to the cell receptor ACE2. The overall ACE2-binding mode of the SARS-CoV-2 RBD is nearly identical to that of the SARS-CoV RBD, which also uses ACE2 as the cell receptor4. Structural analysis identified residues in the SARS-CoV-2 RBD that are essential for ACE2 binding, the majority of which either are highly conserved or share similar side chain properties with those in the SARS-CoV RBD. Such similarity in structure and sequence strongly indicate convergent evolution between the SARS-CoV-2 and SARS-CoV RBDs for improved binding to ACE2, although SARS-CoV-2 does not cluster within SARS and SARS-related coronaviruses1-3,5. The epitopes of two SARS-CoV antibodies that target the RBD are also analysed for binding to the SARS-CoV-2 RBD, providing insights into the future identification of cross-reactive antibodies.
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                Author and article information

                Journal
                Pharmacol Ther
                Pharmacol Ther
                Pharmacology & Therapeutics
                Published by Elsevier Inc.
                0163-7258
                1879-016X
                31 March 2021
                31 March 2021
                : 107843
                Affiliations
                [a ]Department of Anesthesiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, United States of America
                [b ]Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China
                Author notes
                [* ]Corresponding authors.
                [1]

                The authors contribute equally to this work.

                Article
                S0163-7258(21)00045-0 107843
                10.1016/j.pharmthera.2021.107843
                8011334
                33811957
                e62bc635-3186-4d40-8979-d88c4a327288
                © 2021 Published by Elsevier Inc.

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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                Pharmacology & Pharmaceutical medicine
                traditional chinese medicine (tcm),viral infections,covid-19,jinhua qinggan granules (jhqg),lianhua qingwen capsules (lhqw),lung cleansing and detoxifying decoction (lcdd),xuanfeibaidu granules (xfbd),huashibaidu granules (hsbd),xuebijing (xbj),angiotensin converting enzyme 2 (ace2),coronavirus 3-chymotrypsin-like protease (3clpro),interleukin-6 (il-6),3clpro, coronavirus 3-chymotrypsin-like protease,ace2, angiotensin converting enzyme 2,age-rage, advanced glycation end products-receptor for age,akt, protein kinase b,ards, acute respiratory distress syndrome,bcl2, b-cell lymphoma 2,casp3, caspase 3,ccl2, c-c motif chemokine ligand 2,covid, coronavirus disease,covid-19, coronavirus disease 2019,cox-2, cyclooxygenase-2,crp, c-reactive protein,ct, computerized tomography,cva, cough variant asthma,david, database for annotation, visualization, and integrated discovery,egfr, epidermal growth factor receptor,esr, erythrocyte sedimentation rate,go, gene ontology,hif-1, hypoxia-inducible factor-1,hnf4a, hepatocyte nuclear factor 4 alpha,hsbd, huashibaidu granules,hsp90aa1, heat shock protein hsp 90-alpha,hsp90ab1, heat shock protein hsp 90-beta,hxzq, huoxiang zhengqi dropping pills,ic50, 50% inhibitory concentration,icu, intensive care unit,ifn-γ, interferon gamma,il-6, interleukin-6,ip-10, interferon gamma-induced protein 10,jhqg, jinhua qinggan granules,kegg, kyoto encyclopedia of genes and genomes,lcdd, lung cleansing and detoxifying decoction,lhqw, lianhua qingwen capsules,mapk, mitogen-activated protein kinase,mcp-1, monocyte chemoattractant protein-1,mirnas, micro rnas,ncoa2, nuclear receptor coactivator 2,nfkb, nuclear factor kappa b,nos2, nitric oxide synthase 2 (inducible nitric oxide synthase/inos),nrf2, nuclear factor erythroid 2-related factor 2,pct, procalcitonin,pi3k, phosphoinositide 3-kinase,pparg, peroxisome proliferator-activated receptor gamma,ppi, protein-protein interaction,ptgs1, prostaglandin-endoperoxide synthase 1,ptgs2, prostaglandin-endoperoxide synthase 2,rct, randomized controlled trial,ros, reactive oxygen species,sars-cov-2, severe acute respiratory syndrome coronavirus 2,sirs, systematic inflammatory response syndrome,socs1, suppressor of cytokine signaling 1,s protein, sars-cov-2 spike (s) glycoprotein,tcm, traditional chinese medicine,tcmid, traditional chinese medicine integrated database,tfs, transcription factors,tnf-α, tumor necrosis factor alpha,tp53, tumor protein p53,uplc-dad-qtof-ms, ultra performance liquid chromatography coupled with diode-array detector and quadrupole time-of-flight mass spectrometry,wbc, white blood cell,who, world health organization,xbj, xuebijing,xfbd, xuanfeibaidu granules
                Pharmacology & Pharmaceutical medicine
                traditional chinese medicine (tcm), viral infections, covid-19, jinhua qinggan granules (jhqg), lianhua qingwen capsules (lhqw), lung cleansing and detoxifying decoction (lcdd), xuanfeibaidu granules (xfbd), huashibaidu granules (hsbd), xuebijing (xbj), angiotensin converting enzyme 2 (ace2), coronavirus 3-chymotrypsin-like protease (3clpro), interleukin-6 (il-6), 3clpro, coronavirus 3-chymotrypsin-like protease, ace2, angiotensin converting enzyme 2, age-rage, advanced glycation end products-receptor for age, akt, protein kinase b, ards, acute respiratory distress syndrome, bcl2, b-cell lymphoma 2, casp3, caspase 3, ccl2, c-c motif chemokine ligand 2, covid, coronavirus disease, covid-19, coronavirus disease 2019, cox-2, cyclooxygenase-2, crp, c-reactive protein, ct, computerized tomography, cva, cough variant asthma, david, database for annotation, visualization, and integrated discovery, egfr, epidermal growth factor receptor, esr, erythrocyte sedimentation rate, go, gene ontology, hif-1, hypoxia-inducible factor-1, hnf4a, hepatocyte nuclear factor 4 alpha, hsbd, huashibaidu granules, hsp90aa1, heat shock protein hsp 90-alpha, hsp90ab1, heat shock protein hsp 90-beta, hxzq, huoxiang zhengqi dropping pills, ic50, 50% inhibitory concentration, icu, intensive care unit, ifn-γ, interferon gamma, il-6, interleukin-6, ip-10, interferon gamma-induced protein 10, jhqg, jinhua qinggan granules, kegg, kyoto encyclopedia of genes and genomes, lcdd, lung cleansing and detoxifying decoction, lhqw, lianhua qingwen capsules, mapk, mitogen-activated protein kinase, mcp-1, monocyte chemoattractant protein-1, mirnas, micro rnas, ncoa2, nuclear receptor coactivator 2, nfkb, nuclear factor kappa b, nos2, nitric oxide synthase 2 (inducible nitric oxide synthase/inos), nrf2, nuclear factor erythroid 2-related factor 2, pct, procalcitonin, pi3k, phosphoinositide 3-kinase, pparg, peroxisome proliferator-activated receptor gamma, ppi, protein-protein interaction, ptgs1, prostaglandin-endoperoxide synthase 1, ptgs2, prostaglandin-endoperoxide synthase 2, rct, randomized controlled trial, ros, reactive oxygen species, sars-cov-2, severe acute respiratory syndrome coronavirus 2, sirs, systematic inflammatory response syndrome, socs1, suppressor of cytokine signaling 1, s protein, sars-cov-2 spike (s) glycoprotein, tcm, traditional chinese medicine, tcmid, traditional chinese medicine integrated database, tfs, transcription factors, tnf-α, tumor necrosis factor alpha, tp53, tumor protein p53, uplc-dad-qtof-ms, ultra performance liquid chromatography coupled with diode-array detector and quadrupole time-of-flight mass spectrometry, wbc, white blood cell, who, world health organization, xbj, xuebijing, xfbd, xuanfeibaidu granules

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