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  1. Article ; Online: Influence of herb-partitioned moxibustion at Qihai (CV6) and bilateral Tianshu (ST25) and Shangjuxu (ST37) acupoints on toll-like receptors 4 signaling pathways in patients with ulcerative coliti.

    Qi, Qin / Im, Hyoyoung / Li, Kun-Shan / Gu, Muen / Wu, Huan-Gan / Yang, Ling / Huang, Yan / Zhao, Ji-Meng / Cui, Yun-Hua / Liu, Hui-Rong / Wu, Lu-Yi

    Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan

    2021  Volume 41, Issue 3, Page(s) 479–485

    Abstract: Objective: To evaluate the efficacy of herb-partitioned moxibustion (HPM) at Qihai (CV6), Tianshu ... Conclusion: This study showed that HPM at Qihai?(CV6),?Tianshu?(ST25) and?Shangjuxu (ST37) acupoints is ...

    Abstract Objective: To evaluate the efficacy of herb-partitioned moxibustion (HPM) at Qihai (CV6), Tianshu (ST25) and Shangjuxu (ST37) acupoints in relieving symptoms and the immune regulation of HPM on the toll-like receptors 4 (TLR4) signaling pathway in ulcerative colitis (UC) patients.
    Methods: A randomized, single-blind study was conducted 63 patients to receive HPM or sham HPM treatment. The efficacy outcomes included scores of the Mayo, Baron, inflammatory bowel disease questionnaire (IBDQ), self-rating depression scale (SDS), self-rating anxiety scale (SAS). HE staining was used to observe the histopathological changes of the colon. The expression of inflammatory cytokines and TLR4 signaling pathway related molecules were determined by enzyme-linked immunosorbent assay and immunohistochemistry.
    Results: Baron, SDS, SAS scores were significantly decreased in moxibustion group (P < 0.05), IBDQ score was significantly greater in the moxibustion group than in the sham moxibustion group (P < 0.05). Histopathology of mucosal biopsies showed that both two groups improved in mucosa after treatment. The expression levels of tumor necrosis factor-α, interleukin-2, interleukin-12, interferon-γ, and TLR4, lipopolysaccharide, myeloid differentiation factor 88, interleukin receptor associated kinase, tumor necrosis factor receptor associated factor 6 and nuclear factor kappa-B p65 were significantly lower in the moxibustion group than in the sham moxibustion group (P < 0.05).
    Conclusion: This study showed that HPM at Qihai?(CV6),?Tianshu?(ST25) and?Shangjuxu (ST37) acupoints is effective to relieve symptoms, anxiety, depression and improving life quality in UC patients, which may be related to the immune regulation of HPM on TLR4 signaling pathway.
    MeSH term(s) Acupuncture Points ; Animals ; Colitis, Ulcerative/therapy ; Humans ; Moxibustion ; Rats ; Rats, Sprague-Dawley ; Signal Transduction ; Single-Blind Method
    Language English
    Publishing date 2021-06-11
    Publishing country China
    Document type Journal Article ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
    ZDB-ID 603186-9
    ISSN 2589-451X ; 0254-6272 ; 0255-2922
    ISSN (online) 2589-451X ; 0254-6272
    ISSN 0255-2922
    DOI 10.19852/j.cnki.jtcm.20210310.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: TRP channels in airway sensory nerves.

    Gu, Qihai / Lee, Lu-Yuan

    Neuroscience letters

    2021  Volume 748, Page(s) 135719

    Abstract: Transient Receptor Potential (TRP) channels expressed in specific subsets of airway sensory nerves function as transducers and integrators of a diverse range of sensory inputs including chemical, mechanical and thermal signals. These TRP sensors can ... ...

    Abstract Transient Receptor Potential (TRP) channels expressed in specific subsets of airway sensory nerves function as transducers and integrators of a diverse range of sensory inputs including chemical, mechanical and thermal signals. These TRP sensors can detect inhaled irritants as well as endogenously released chemical substances. They play an important role in generating the afferent activity carried by these sensory nerves and regulating the centrally mediated pulmonary defense reflexes. Increasing evidence reported in recent investigations has revealed important involvements of several TRP channels (TRPA1, TRPV1, TRPV4 and TRPM8) in the manifestation of various symptoms and pathogenesis of certain acute and chronic airway diseases. This mini-review focuses primarily on these recent findings of the responses of these TRP sensors to the biological stresses emerging under the pathophysiological conditions of the lung and airways.
    MeSH term(s) Afferent Pathways/physiology ; Animals ; Humans ; Lung/innervation ; Lung/physiology ; Peripheral Nervous System ; Pulmonary Disease, Chronic Obstructive/genetics ; Pulmonary Disease, Chronic Obstructive/physiopathology ; Sensory Receptor Cells/physiology ; Transient Receptor Potential Channels/physiology
    Chemical Substances Transient Receptor Potential Channels
    Language English
    Publishing date 2021-02-12
    Publishing country Ireland
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Review
    ZDB-ID 194929-9
    ISSN 1872-7972 ; 0304-3940
    ISSN (online) 1872-7972
    ISSN 0304-3940
    DOI 10.1016/j.neulet.2021.135719
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: The Insights of Genomic Synteny and Codon Usage Preference on Genera Demarcation of

    Deng, Zhaobin / Wang, Jun / Zhang, Wenjie / Geng, Yi / Zhao, Mingde / Gu, Congwei / Fu, Lu / He, Manli / Xiao, Qihai / Xiao, Wudian / He, Lvqin / Yang, Qian / Han, Jianhong / Yan, Xuefeng / Yu, Zehui

    Frontiers in microbiology

    2021  Volume 12, Page(s) 657887

    Abstract: The members of the ... ...

    Abstract The members of the family
    Language English
    Publishing date 2021-03-31
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2587354-4
    ISSN 1664-302X
    ISSN 1664-302X
    DOI 10.3389/fmicb.2021.657887
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Genomic analysis of Poxviridae and exploring qualified gene sequences for phylogenetics.

    Yu, Zehui / Zhang, Wenjie / Fu, Huancheng / Zou, Xiaoxia / Zhao, Mingde / Liang, Sicheng / Gu, Congwei / Yang, Qian / He, Manli / Xiao, Qihai / Xiao, Wudian / He, Lvqin / Lü, Muhan

    Computational and structural biotechnology journal

    2021  Volume 19, Page(s) 5479–5486

    Abstract: The members of ... ...

    Abstract The members of the
    Language English
    Publishing date 2021-09-28
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2694435-2
    ISSN 2001-0370
    ISSN 2001-0370
    DOI 10.1016/j.csbj.2021.09.031
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Hypersensitivity of Vagal Pulmonary Afferents Induced by Tumor Necrosis Factor Alpha in Mice.

    Lin, Ruei-Lung / Gu, Qihai / Lee, Lu-Yuan

    Frontiers in physiology

    2017  Volume 8, Page(s) 411

    Abstract: Tumor necrosis factor alpha (TNFα), a pro-inflammatory cytokine, plays a significant role in the pathogenesis of allergic asthma. Inhalation of TNFα also induces airway hyperresponsiveness in healthy human subjects, and the underlying mechanism is not ... ...

    Abstract Tumor necrosis factor alpha (TNFα), a pro-inflammatory cytokine, plays a significant role in the pathogenesis of allergic asthma. Inhalation of TNFα also induces airway hyperresponsiveness in healthy human subjects, and the underlying mechanism is not fully understood. A recent study reported that TNFα caused airway inflammation and a sustained elevation of pulmonary chemoreflex responses in mice, suggesting a possible involvement of heightened sensitivity of vagal pulmonary C-fibers. To investigate this possibility, the present study aimed to investigate the effect of a pretreatment with TNFα on the sensitivity of vagal pulmonary afferents in anesthetized mice. After TNFα (10 μg/ml, 0.03 ml) and vehicle (Veh; phosphate buffered saline (PBS), 0.03 ml) were administered by intra-tracheal instillation in each mouse of treated (TNF) and control (Veh) groups, respectively, the peak activity of pulmonary C-fibers in response to an intravenous bolus injection of a low dose of capsaicin (Cap; 0.5 μg/kg) was significantly elevated in TNF group (6.5 ± 1.3 impulses/s,
    Language English
    Publishing date 2017-06-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2564217-0
    ISSN 1664-042X
    ISSN 1664-042X
    DOI 10.3389/fphys.2017.00411
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Activation of bitter taste receptors in pulmonary nociceptors sensitizes TRPV1 channels through the PLC and PKC signaling pathway.

    Gu, Qihai David / Joe, Deanna S / Gilbert, Carolyn A

    American journal of physiology. Lung cellular and molecular physiology

    2017  Volume 312, Issue 3, Page(s) L326–L333

    Abstract: Bitter taste receptors (T2Rs), a G protein-coupled receptor family capable of detecting numerous bitter-tasting compounds, have recently been shown to be expressed and play diverse roles in many extraoral tissues. Here we report the functional expression ...

    Abstract Bitter taste receptors (T2Rs), a G protein-coupled receptor family capable of detecting numerous bitter-tasting compounds, have recently been shown to be expressed and play diverse roles in many extraoral tissues. Here we report the functional expression of T2Rs in rat pulmonary sensory neurons. In anesthetized spontaneously breathing rats, intratracheal instillation of T2R agonist chloroquine (10 mM, 0.1 ml) significantly augmented chemoreflexes evoked by right-atrial injection of capsaicin, a specific activator for transient receptor potential vanilloid receptor 1 (TRPV1), whereas intravenous infusion of chloroquine failed to significantly affect capsaicin-evoked reflexes. In patch-clamp recordings with isolated rat vagal pulmonary sensory neurons, pretreatment with chloroquine (1-1,000 µM, 90 s) concentration dependently potentiated capsaicin-induced TRPV1-mediated inward currents. Preincubating with diphenitol and denatonium (1 mM, 90 s), two other T2R activators, also enhanced capsaicin currents in these neurons but to a lesser extent. The sensitizing effect of chloroquine was effectively prevented by the phospholipase C inhibitor U73122 (1 µM) or by the protein kinase C inhibitor chelerythrine (10 µM). In summary, our study showed that activation of T2Rs augments capsaicin-evoked TRPV1 responses in rat pulmonary nociceptors through the phospholipase C and protein kinase C signaling pathway.
    MeSH term(s) Anesthesia ; Animals ; Benzophenanthridines/pharmacology ; Capsaicin/pharmacology ; Chloroquine/administration & dosage ; Chloroquine/pharmacology ; Estrenes/pharmacology ; Infusions, Intravenous ; Lung/metabolism ; Nociceptors/metabolism ; Protein Kinase C/metabolism ; Pyrrolidinones/pharmacology ; Rats, Sprague-Dawley ; Receptors, G-Protein-Coupled/metabolism ; Reflex/drug effects ; Respiration/drug effects ; Sensory Receptor Cells/drug effects ; Sensory Receptor Cells/metabolism ; Signal Transduction/drug effects ; TRPV Cation Channels/metabolism ; Taste/drug effects ; Type C Phospholipases/antagonists & inhibitors ; Type C Phospholipases/metabolism
    Chemical Substances Benzophenanthridines ; Estrenes ; Pyrrolidinones ; Receptors, G-Protein-Coupled ; TRPV Cation Channels ; Trpv1 protein, rat ; taste receptors, type 2 ; 1-(6-((3-methoxyestra-1,3,5(10)-trien-17-yl)amino)hexyl)-1H-pyrrole-2,5-dione (112648-68-7) ; Chloroquine (886U3H6UFF) ; chelerythrine (E3B045W6X0) ; Protein Kinase C (EC 2.7.11.13) ; Type C Phospholipases (EC 3.1.4.-) ; Capsaicin (S07O44R1ZM)
    Language English
    Publishing date 2017-01-06
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1013184-x
    ISSN 1522-1504 ; 1040-0605
    ISSN (online) 1522-1504
    ISSN 1040-0605
    DOI 10.1152/ajplung.00468.2016
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: ANI analysis of poxvirus genomes reveals its potential application to viral species rank demarcation.

    Deng, Zhaobin / Xia, Xuyang / Deng, Yiqi / Zhao, Mingde / Gu, Congwei / Geng, Yi / Wang, Jun / Yang, Qian / He, Manli / Xiao, Qihai / Xiao, Wudian / He, Lvqin / Liang, Sicheng / Xu, Heng / Lü, Muhan / Yu, Zehui

    Virus evolution

    2022  Volume 8, Issue 1, Page(s) veac031

    Abstract: Average nucleotide identity (ANI) is a prominent approach for rapidly classifying archaea and bacteria by recruiting both whole genomic sequences and draft assemblies. To evaluate the feasibility of ANI in virus taxon demarcation, 685 poxviruses were ... ...

    Abstract Average nucleotide identity (ANI) is a prominent approach for rapidly classifying archaea and bacteria by recruiting both whole genomic sequences and draft assemblies. To evaluate the feasibility of ANI in virus taxon demarcation, 685 poxviruses were assessed. Prior to the analysis, the fragment length and threshold of the ANI value were optimized as 200 bp and 98 per cent, respectively. After ANI analysis and network visualization, the resulting sixty-one species (ANI species rank) were clustered and largely consistent with the groupings found in National Center for Biotechnology Information Virus [within the International Committee on Taxonomy of Viruses (ICTV) Master Species List]. The species identities of thirty-four other poxviruses (excluded by the ICTV Master Species List) were also identified. Subsequent phylogenetic analysis and Guanine-Cytosine (GC) content comparison done were found to support the ANI analysis. Finally, the BLAST identity of concatenated sequences from previously identified core genes showed 91.8 per cent congruence with ANI analysis at the species rank, thus showing potential as a marker gene for poxviruses classification. Collectively, our results reveal that the ANI analysis may serve as a novel and efficient method for poxviruses demarcation.
    Language English
    Publishing date 2022-05-28
    Publishing country England
    Document type Journal Article
    ZDB-ID 2818949-8
    ISSN 2057-1577
    ISSN 2057-1577
    DOI 10.1093/ve/veac031
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Airway hypersensitivity induced by eosinophil granule-derived cationic proteins.

    Lee, Lu-Yuan / Gu, Qihai / Lin, An-Hsuan / Khosravi, Mehdi / Gleich, Gerald

    Pulmonary pharmacology & therapeutics

    2019  Volume 57, Page(s) 101804

    Abstract: Vagal bronchopulmonary C-fiber sensory nerves play an important role in the manifestation of airway hypersensitivity, a common and prominent pathophysiological feature of airway inflammatory diseases. Eosinophil granule-derived cationic proteins are ... ...

    Abstract Vagal bronchopulmonary C-fiber sensory nerves play an important role in the manifestation of airway hypersensitivity, a common and prominent pathophysiological feature of airway inflammatory diseases. Eosinophil granule-derived cationic proteins are known to be involved in the mucosal damage and development of bronchial hyperresponsiveness during allergic airway inflammation. In view of these background information, we have carried out a series of studies to investigate the effect of cationic proteins on these C-fiber afferents and the mechanism(s) possibly involved; a summary of these studies is presented in this mini-review. Intra-tracheal instillation of either eosinophil granule-derived (e.g., major basic protein, MBP) or synthetic cationic proteins (e.g., poly-l-lysine) induced a sporadic, but intense and lingering discharge of pulmonary C-fibers, and greatly enhanced the chemical and mechanical sensitivities of these afferents in anesthetized rats. The stimulatory and sensitizing effects of these proteins were completely nullified when their cationic charges were neutralized or removed. Furthermore, in isolated rat bronchopulmonary capsaicin-sensitive neurons, eosinophil granule cationic proteins induced a direct and long-lasting (>60 min) but reversible sensitizing effect on their responses to chemical and electrical stimulations. More importantly, our study showed that these cationic proteins exerted an inhibitory effect on the sustained delayed-rectifier voltage-gated K
    MeSH term(s) Animals ; Bronchial Hyperreactivity/physiopathology ; Capsaicin/pharmacology ; Cations ; Cough/physiopathology ; Eosinophil Cationic Protein/physiology ; Eosinophil Major Basic Protein/pharmacology ; Eosinophils/drug effects ; Humans ; Hypersensitivity/physiopathology ; Lung/innervation ; Lung/physiology ; Mice ; Nerve Fibers, Unmyelinated/physiology ; Patch-Clamp Techniques ; Rats ; Rats, Sprague-Dawley ; Vagus Nerve/physiology ; Vagus Nerve Stimulation
    Chemical Substances Cations ; Eosinophil Cationic Protein (EC 3.1.27.-) ; Eosinophil Major Basic Protein (EC 3.1.27.-) ; Capsaicin (S07O44R1ZM)
    Language English
    Publishing date 2019-05-13
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Review
    ZDB-ID 1399707-5
    ISSN 1522-9629 ; 1094-5539
    ISSN (online) 1522-9629
    ISSN 1094-5539
    DOI 10.1016/j.pupt.2019.101804
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Sustained sensitizing effects of tumor necrosis factor alpha on sensory nerves in lung and airways.

    Lin, Ruei-Lung / Gu, Qihai / Khosravi, Mehdi / Lee, Lu-Yuan

    Pulmonary pharmacology & therapeutics

    2017  Volume 47, Page(s) 29–37

    Abstract: Tumor necrosis factor alpha (TNFα) plays a significant role in the pathogenesis of airway inflammatory diseases. Inhalation of aerosolized TNFα induced airway hyperresponsiveness accompanied by airway inflammation in healthy human subjects, but the ... ...

    Abstract Tumor necrosis factor alpha (TNFα) plays a significant role in the pathogenesis of airway inflammatory diseases. Inhalation of aerosolized TNFα induced airway hyperresponsiveness accompanied by airway inflammation in healthy human subjects, but the underlying mechanism is not fully understood. We recently reported a series of studies aimed to investigate if TNFα elevates the sensitivity of vagal bronchopulmonary sensory nerves in a mouse model; these studies are summarized in this mini-review. Our results showed that intratracheal instillation of TNFα induced pronounced airway inflammation 24 h later, as illustrated by infiltration of eosinophils and neutrophils and the release of inflammatory mediators and cytokines in the lung and airways. Accompanying these inflammatory reactions, the sensitivity of vagal pulmonary C-fibers and silent rapidly adapting receptors to capsaicin, a selective agonist of transient receptor potential vanilloid type 1 receptor, was markedly elevated after the TNFα treatment. A distinct increase in the sensitivity to capsaicin induced by TNFα was also observed in isolated pulmonary sensory neurons, suggesting that the sensitizing effect is mediated primarily through a direct action of TNFα on these neurons. Furthermore, the same TNFα treatment also induced a lingering (>7days) cough hyperresponsiveness to inhalation challenge of NH
    MeSH term(s) Animals ; Cough/physiopathology ; Disease Models, Animal ; Humans ; Inflammation/physiopathology ; Lung/physiopathology ; Mice ; Receptors, Tumor Necrosis Factor/metabolism ; Respiratory Hypersensitivity/physiopathology ; Sensory Receptor Cells/metabolism ; Tumor Necrosis Factor-alpha/metabolism ; Vagus Nerve/metabolism
    Chemical Substances Receptors, Tumor Necrosis Factor ; Tumor Necrosis Factor-alpha
    Language English
    Publishing date 2017-12
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1399707-5
    ISSN 1522-9629 ; 1094-5539
    ISSN (online) 1522-9629
    ISSN 1094-5539
    DOI 10.1016/j.pupt.2017.06.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Genomic analysis of Poxviridae and exploring qualified gene sequences for phylogenetics

    Yu, Zehui / Zhang, Wenjie / Fu, Huancheng / Zou, Xiaoxia / Zhao, Mingde / Liang, Sicheng / Gu, Congwei / Yang, Qian / He, Manli / Xiao, Qihai / Xiao, Wudian / He, Lvqin / Lü, Muhan

    Computational and Structural Biotechnology Journal. 2021, v. 19

    2021  

    Abstract: The members of the Poxviridae family are globally distributed all over the world and can cause infectious diseases. Although genome sequences are publicly available for representative isolates of all genera, studies on the criteria for genome-based ... ...

    Abstract The members of the Poxviridae family are globally distributed all over the world and can cause infectious diseases. Although genome sequences are publicly available for representative isolates of all genera, studies on the criteria for genome-based classification within the Poxviridae family have rarely been reported. In our study, 60 Poxviridae genomes were re-annotated using Prokka. By using BLAST filtration and MCScanX, synteny and similarity of whole genomic amino acid sequences were visualized. According to the analysis pattern, the Chordopoxvirinae and Entomopoxvirinae subfamilies can be subdivided into five and two categories respectively, which is consistent with the phylogenetic tree constructed based on whole genomic amino acid sequences and Poxvirus core genes. Finally, four genes (Early transcription factor, DNA-directed RNA polymerase, RNA polymerase-associated transcription-specificity factor and DNA-dependent RNA polymerase) were selected from Poxvirus core genes by substitution saturation analysis and phylogenetic tree verification. Phylogenetic trees constructed based on single gene and concatenated sequences of the four selected genes showed that the classification of subgroups was consistent with the phylogenetic trees based on genome. Conclusion: a new method based on the similarity of whole genomic amino acid sequences was proposed for Poxviridae taxon demarcation, and the use of the four selected qualified genes will help make phylogenic identification of newly discovered Poxviridae isolates more convenient and accurate.
    Keywords Chordopoxvirinae ; DNA-directed RNA polymerase ; Entomopoxvirinae ; RNA ; amino acids ; biotechnology ; filtration ; genes ; genomics ; phylogeny ; transcription factors
    Language English
    Size p. 5479-5486.
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 2694435-2
    ISSN 2001-0370
    ISSN 2001-0370
    DOI 10.1016/j.csbj.2021.09.031
    Database NAL-Catalogue (AGRICOLA)

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