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Trends and perspectives in tuberculosis and HIV co-infection studies over the past three decades 过去三十年结核病和艾滋病毒双重感染研究的趋势和前景
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-12-19 DOI: 10.2217/fvl-2023-0143
Kang Gong, Y. Lai
Aim: The aim of this study was to analyze and identify the status, hot spots and frontiers of HIV- Mycobacterium tuberculosis (MTB) research using CiteSpace. Method: We searched the Web of Science Core Collection. The publications were visually analyzed in terms of countries, institutions, authors, keywords, references, and journals using CiteSpace. Results: A total of 6446 HIV-MTB-related publications were retrieved. The top three keywords with the highest frequency were Mycobacterium tuberculosis, HIV, and infection. Conclusion: In recent years, research hotspots have mainly focused on the epidemiology, immune mechanisms, prevention and treatment of HIV-MTB co-infection, especially regarding immune response, burden, assays, latent TB, and children co-infected with AIDS and TB. They need to be addressed in future studies.
目的:本研究旨在利用 CiteSpace 分析和确定艾滋病毒-结核分枝杆菌(MTB)研究的现状、热点和前沿。研究方法我们检索了科学网核心文献集。利用 CiteSpace 从国家、机构、作者、关键词、参考文献和期刊等方面对出版物进行了直观分析。结果:共检索到 6446 篇与 HIV-MTB 相关的论文。出现频率最高的前三个关键词是结核分枝杆菌、HIV 和感染。结论近年来,研究热点主要集中在 HIV-MTB 合并感染的流行病学、免疫机制、预防和治疗等方面,尤其是免疫反应、负担、检测、潜伏肺结核以及合并感染艾滋病和肺结核的儿童。这些问题需要在今后的研究中加以解决。
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引用次数: 0
Rosmarinic acid inhibits Rift Valley fever virus: in vitro, computational and analytical studies 迷迭香酸抑制裂谷热病毒:体外、计算和分析研究
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-12-19 DOI: 10.2217/fvl-2023-0119
Faten Farouk, Mohamed A Zarka, Majid Mohammed Al-Sawahli, Amr Hassan, Aly Fahmy Mohamed, Ibrahim M Ibrahim, Fafy Abd El-Rahman Mohammed, R. Shebl
Aim: The antiviral potentials of rosmarinic acid (RA) against Rift Valley fever (RVF) virus were investigated. Methods: Antiviral activity was investigated by evaluating the reduction in the viral infectivity titer. Computational and LC–MS studies were performed for investigating the mechanism of action. This is via testing the interaction between RA and its major metabolite with the key infectivity proteins and determination of RA cellular permeability. Results: A superior reduction in RVF infectivity titer (45.5%) was observed when RA was applied post-infection compared to 17.7% reduction following its application before infection in addition to time-dependent inactivation kinetics. Recorded data showed in-silico inhibitory potential of RA and its metabolite against RVFV cap-binding protein and glycoprotein C, which are integral for viral transcription. LC–MS revealed cellular inclusion of RA, supporting its intracellular viral interaction. Conclusion: These antiviral potentials might suggest a promising foundation for future anti-RVF drug development.
目的:研究迷迭香酸(RA)对裂谷热(RVF)病毒的抗病毒潜力。方法:通过评估病毒感染率的降低来研究其抗病毒活性:通过评估病毒感染滴度的降低情况来研究其抗病毒活性。为研究其作用机制,进行了计算和 LC-MS 研究。具体方法是测试 RA 及其主要代谢物与关键感染性蛋白之间的相互作用,并确定 RA 的细胞渗透性。结果在感染后使用 RA,RVF 感染性滴度明显降低(45.5%),而在感染前使用 RA,感染性滴度降低 17.7%。记录的数据表明,RA 及其代谢物对 RVFV 的帽结合蛋白和糖蛋白 C 有抑制潜能,而这两种蛋白是病毒转录不可或缺的成分。液相色谱-质谱(LC-MS)显示,细胞中含有 RA,支持其在细胞内与病毒相互作用。结论这些抗病毒潜力可能为未来开发抗 RVF 药物奠定了良好基础。
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引用次数: 0
Plain language summary of the efficacy and safety of bepirovirsen in patients with chronic hepatitis B infection 用通俗易懂的语言概述贝吡韦森对慢性乙型肝炎感染者的疗效和安全性
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-12-15 DOI: 10.2217/fvl-2023-0117
Man-Fung Yuen, Seng-Gee Lim, Maureen Kamischke, J. Cremer, Dickens Theodore
This is a summary for the hepatitis B community providing straightforward information on the results of a study called ‘B-Clear’. Hepatitis B is an infection of the liver caused by a virus. Chronic hepatitis B is a long-lasting infection and occurs when the body is unable to fight off the virus and it persists in the blood and liver. Chronic hepatitis B virus infection is a major global health problem affecting approximately 296 million people. Current standard therapies, such as nucleotide analogs (antiviral therapy), rarely lead to a cure. This study investigated a new treatment for chronic hepatitis B virus infection, called bepirovirsen, alone or in combination with nucleotide analogs (antiviral therapy), in participants with chronic hepatitis B virus infection. The duration of treatment was 6 months. In this study, bepirovirsen was tested to see if it could decrease the levels of hepatitis B surface antigen and viral DNA to the point where they cannot be detected anymore in the blood and whether participants would maintain undetectable levels for 6 months after the end of treatment. Six (9%) participants who were currently on nucleotide analogs (antiviral therapy) and also received bepirovirsen and 7 (10%) participants who only received bepirovirsen, achieved undetectable levels of hepatitis B surface antigen and viral DNA for 6 months after the end of treatment. These results show that bepirovirsen could be an effective treatment for chronic hepatitis B virus infection. The loss of hepatitis B surface antigen seen in some participants means that bepirovirsen has the potential to reduce the risk of liver complications, such as liver failure and liver cancer and provide patients with an alternative option to lifelong treatment. Achieving undetectable levels of hepatitis B surface antigen and viral DNA may also have a positive impact on the quality of life of participants by reducing stigma and discrimination related to hepatitis B and offer relief from the hopelessness that often comes with a chronic hepatitis B virus infection diagnosis and need for lifelong therapy. Larger and longer studies are needed to confirm the results of the B-Clear study and to further evaluate how well bepirovirsen works in treating chronic hepatitis B virus infection as well as to assess its safety. Clinical Trial Registration: NCT04449029 (B-Clear study) ( ClinicalTrials.gov )
这是为乙型肝炎社区提供的一份摘要,简要介绍了一项名为 "B-Clear "的研究结果。乙型肝炎是由病毒引起的肝脏感染。慢性乙型肝炎是一种长期感染,当人体无法抵御病毒,病毒在血液和肝脏中持续存在时就会发生慢性乙型肝炎。慢性乙型肝炎病毒感染是一个重大的全球健康问题,影响着大约 2.96 亿人。目前的标准疗法,如核苷酸类似物(抗病毒疗法),很少能治愈。这项研究调查了慢性乙型肝炎病毒感染者接受的一种名为贝吡韦森的新疗法,该疗法可单独使用,也可与核苷酸类似物(抗病毒疗法)联合使用。疗程为 6 个月。在这项研究中,贝吡维森被用来检测它是否能将乙肝表面抗原和病毒 DNA 的水平降低到在血液中检测不到的程度,以及参与者是否能在治疗结束后的 6 个月内保持检测不到的水平。6名(9%)目前正在接受核苷酸类似物(抗病毒疗法)治疗并同时接受贝吡维生治疗的参与者和7名(10%)仅接受贝吡维生治疗的参与者在治疗结束后的6个月内都达到了乙肝表面抗原和病毒DNA检测不到的水平。这些结果表明,贝吡维森可以有效治疗慢性乙型肝炎病毒感染。一些参与者体内乙肝表面抗原的消失意味着贝匹韦森有可能降低肝脏并发症(如肝衰竭和肝癌)的风险,并为患者提供终生治疗之外的另一种选择。乙型肝炎表面抗原和病毒DNA检测不到也可能对参与者的生活质量产生积极影响,因为它能减少与乙型肝炎有关的耻辱感和歧视,并能缓解慢性乙型肝炎病毒感染诊断和终身治疗所带来的绝望情绪。为了证实 B-Clear 研究的结果,进一步评估贝匹韦森治疗慢性乙型肝炎病毒感染的效果以及安全性,还需要进行更大规模和更长时间的研究。临床试验注册:NCT04449029(B-Clear 研究) ( ClinicalTrials.gov )
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引用次数: 0
Expression and significance of IL-17A and IL-22 in children with infectious mononucleosis complicated with liver damage 感染性单核细胞增多症并发肝损伤儿童中 IL-17A 和 IL-22 的表达及其意义
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-12-04 DOI: 10.2217/fvl-2023-0104
Mengli Xu, Weifang Zhou, Yuewen Su, Meng Cao, Yuqin Li
Aim: To investigate the expression and clinical significance of IL-17A and IL-22 in the plasma of children with infectious mononucleosis complicated with liver damage caused by Epstein–Barr virus. Method: Peripheral plasma was collected from 64 children with IM. We compared IL-17A, IL-22, the clinical data and laboratory examination indicators between liver damage and non-liver damage groups. Results: We found that the levels of IL-17A and IL-22 were higher in the liver damage group and positively correlated with liver function indicators. CD4+/CD8+ was lower in the liver damage group. Conclusion: The study provides valuable insights into the clinical significance of IL-17A and IL-22 in children with IM complicated with liver damage caused by EBV.
目的:探讨传染性单核细胞增多症合并eb病毒肝损害患儿血浆中IL-17A、IL-22的表达及临床意义。方法:收集64例小儿外周血浆。比较肝损害组与非肝损害组的IL-17A、IL-22、临床资料及实验室检查指标。结果:我们发现肝损害组IL-17A、IL-22水平较高,且与肝功能指标呈正相关。肝损伤组CD4+/CD8+较低。结论:IL-17A和IL-22在IM合并EBV肝损害患儿中的临床意义具有重要意义。
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引用次数: 0
HIV co-receptor tropism usage: first report from the Iranian patients 艾滋病毒共受体趋向性的使用:伊朗患者的首次报告
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-12-01 DOI: 10.2217/fvl-2023-0034
F. Ghasabi, Ava Hashempour, N. Khodadad, Shokufeh Akbarinia, Mohammadreza Heydari, Z. Foroozanfar
Aim: The HIV-V3 sequence influences tropism via the interaction of HIV with CCR5 and CXCR4 coreceptors; however, no consistent sequence accounts for R5 or X4-virus. Methods: RT-Nested PCR was performed to define V3-tropism in 123 samples using genotypic methods, including Geno2Pheno, WebPSSM, PhenoSeq, Net Charge and the 11/25 rule. Results: Among the samples studied, the HIV-1 R5 tropic viruses were predominant. However, X4 tropism could be a reason for the higher risk of treatment failure. A good accordance was observed between paired DNA/RNA tropism results. Conclusion: CCR5 inhibitors can be crucial in simplifying HIV treatment in Iranian patients. X4-virus is a risk factor for treatment failure. Proviral DNA (pvDNA) tropism result can be an appropriate target for V3-tropism determination.
目的:HIV- v3序列通过与CCR5和CXCR4共受体的相互作用影响趋向性;然而,没有一致的序列解释R5或x4病毒。方法:采用gen2pheno、WebPSSM、PhenoSeq、Net Charge和11/25规则等基因分型方法,对123份样品进行rt -巢式PCR鉴定向v3性。结果:在所研究的样本中,HIV-1 R5热带病毒占主导地位。然而,X4趋向性可能是治疗失败风险较高的一个原因。配对的DNA/RNA趋向性结果具有良好的一致性。结论:CCR5抑制剂对于简化伊朗HIV患者的治疗至关重要。x4病毒是治疗失败的一个危险因素。前病毒DNA (pvDNA)的趋向性结果可作为测定病毒向v3趋向性的合适靶点。
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引用次数: 0
Resistance analysis following sotrovimab treatment in participants with COVID-19 during the phase III COMET-ICE study. COVID-19 参与者在 COMET-ICE III 期研究中接受索托维单抗治疗后的耐药性分析。
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-11-01 Epub Date: 2023-12-07 DOI: 10.2217/fvl-2023-0146
Sambhavi Subramanian, Gretja Schnell, Julia di Iulio, Anil K Gupta, Adrienne E Shapiro, Elias H Sarkis, Amanda Lopuski, Amanda Peppercorn, Melissa Aldinger, Christy M Hebner, Andrea L Cathcart

Aim: Sotrovimab is an engineered human monoclonal antibody that binds a conserved region of the SARS-CoV-2 spike protein. The COMET-ICE phase III study evaluated sotrovimab for treatment of mild to moderate COVID-19 in nonhospitalized participants with ≥1 risk factor for severe disease progression. Materials & methods: We evaluated the presence of circulating SARS-CoV-2 variants of concern or interest (VOCs/VOIs) and characterized the presence of baseline, post-baseline and emergent amino acid substitutions detected in the epitope of sotrovimab in SARS-CoV-2. Results: None of the sotrovimab-treated participants with baseline epitope substitutions, and 1 of 48 sotrovimab-treated participants with post-baseline epitope substitutions, met the primary clinical endpoint for progression. Conclusion: Overall, progression was not associated with identified VOC/VOI or the presence of epitope substitutions in sotrovimab-treated participants.

目的:索特罗维单抗是一种经过改造的人类单克隆抗体,能与 SARS-CoV-2 棘蛋白的保守区结合。COMET-ICE III 期研究评估了索特罗维奇单抗治疗轻度至中度 COVID-19 的疗效,该药适用于疾病进展风险因素≥1 个的非住院患者。材料与方法:我们评估了是否存在值得关注或感兴趣的SARS-CoV-2循环变异体(VOCs/VOIs),并描述了在SARS-CoV-2索托维单抗表位中检测到的基线、基线后和突发氨基酸替代的存在情况。结果在接受索特罗维奇单抗治疗的患者中,没有人出现基线表位替代,在接受索特罗维奇单抗治疗的 48 名患者中,有 1 人出现基线后表位替代,达到了主要临床终点--病情进展。结论总体而言,索托维单抗治疗参与者的病情进展与VOC/VOI的确定或表位替代的存在无关。
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引用次数: 0
Genotoxicity: a neglected but potentially critical aspect of adenoviral COVID-19 vaccines 遗传毒性:腺病毒COVID-19疫苗一个被忽视但可能至关重要的方面
4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-10-18 DOI: 10.2217/fvl-2023-0013
Alireza Mardomi, Tahoora Mousavi, Farahnoosh Farnood, Hamid Tayebi Khosroshahi
Future VirologyAhead of Print EditorialFree AccessGenotoxicity: a neglected but potentially critical aspect of adenoviral COVID-19 vaccinesAlireza Mardomi, Tahoora Mousavi, Farahnoosh Farnood & Hamid Tayebi KhosroshahiAlireza Mardomi https://orcid.org/0000-0001-8422-8448Department of Medical Laboratory Sciences & Microbiology, Faculty of Medical Sciences, Tabriz Medical Sciences, Islamic Azad University, Tabriz, IranSearch for more papers by this author, Tahoora Mousavi https://orcid.org/0000-0003-2505-370XMolecular & Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, IranSearch for more papers by this author, Farahnoosh Farnood https://orcid.org/0000-0002-1199-6881Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, IranSearch for more papers by this author & Hamid Tayebi Khosroshahi *Author for correspondence: Tel.: (+98)9146514509; E-mail Address: drtayebikh@yahoo.comhttps://orcid.org/0000-0002-1131-0413Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, IranSearch for more papers by this authorPublished Online:18 Oct 2023https://doi.org/10.2217/fvl-2023-0013AboutSectionsPDF/EPUB ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareShare onFacebookTwitterLinkedInRedditEmail Keywords: adenoviral vaccinesCOVID-19genome integrationmutagenesisSARS-CoV-2A prophylactic immunization against the disease COVID-19, caused by the SARS-CoV-2 virus, can be achieved through vaccination [1]. Vaccination programs have had a remarkable impact on the control of the COVID-19 burden with reports of greater than 90% reductions in mortality rate observed in vaccinated individuals of all ages and reductions in hospitalization by 71–87% [2], though it should be noted that the efficacies of different vaccines against variants of SARS-CoV-2 are variable [1]. However, the long-term safety of COVID-19 vaccines may have been overlooked as a result of the immediacy of the pandemic. Some short-term side effects of the vaccines have gradually become evident; apart from general side effects such as fatigue, headaches, muscle pain and chills, COVID-19 vaccination has been shown to trigger the development of various autoantibodies associated with autoimmune diseases including IgA nephropathy and autoimmune vasculitis [3,4]. Adenoviral-based vaccines are one type of vaccine platform that has been developed for COVID-19 vaccination and warrants further investigation for their potential long-term side effects. These vaccines use a viral vector to deliver a genetic sequence encoding an immunogenic antigen into host cells to elicit transient antigen expression and a prophylactic immune response, but some reports suggest that they may have the potential for genome integration.Viruses have been harnessed as gene-delivery tools in genetic engineering for their biological functions and, while there are also non-viral gene-delivery approaches, viral vectors are known as the most efficient to
编码肿瘤抑制基因或原癌基因的基因组区域发生突变,可能导致恶性肿瘤[8],这些基因在细胞周期调控和肿瘤发生中起着关键作用。虽然已知腺病毒载体作为一种低倾向于整合宿主基因组的插曲体存在于染色体外,但存在于细胞核内的外源DNA片段的少量整合是不可避免的。细胞的非同源末端连接(non-homologous end-joining, NHEJ) DNA修复系统可以驱动载体与基因组的异源重组,尽管它们缺乏整合机制。任何外源DNA进入细胞核的传递都与异源重组[10]有关。在啮齿类动物模型中,在给药重组腺病毒后,观察到肝细胞基因间区域的基因组整合[11-13]。也有类似的啮齿动物接种腺病毒疫苗后发生肿瘤的报道[14,15]。在人类和动物细胞中的体外研究也证明重组腺病毒主要通过异源重组整合到基因组DNA中[11,12,15]。用于检查疫苗安全性的常规测定通常基于生物相容性。然而,这些检测可能无法评估遗传毒性和其他长期问题。插入性突变可以在短期内导致沉默效应,甚至在致癌的情况下,它也需要相当长的时间才能被诊断出来。因此,互补基因组整合评估对于评估腺病毒疫苗插入突变的风险至关重要。即使在病媒整合率似乎可以忽略不计的情况下,利益风险评估对于确保这类疫苗的长期安全性和有效性也是至关重要的。各个国家都有关于基因治疗临床应用的政策,讨论和推荐每种基因治疗方法的安全性问题。例如,美国食品和药物管理局为使用基于媒介的生物制剂提供了建议。根据这一指示,应评估产生具有复制能力的病毒的可能性。在评估基因组整合的风险时,FDA注意到一些病毒骨干能够进行基因组整合。因此,在排除短期毒性后,对接受基因治疗的受试者进行长期随访是必要的。尽管有报道证据表明一些腺病毒载体整合,但FDA将腺病毒归类为不需要长期评估的非整合载体。然而,根据这种分类,疱疹病毒、γ -逆转录病毒、慢病毒、转座子元件和基因组编辑工具都具有基因组修饰能力,需要长期监测[17]。根据所讨论的证据,可能还需要在更全面的遗传研究中评估腺病毒疫苗,以评估其潜在的致突变特性,并重新评估其作为非整合载体的分类。虽然腺病毒整合的风险较低,但需要在人类细胞系和接种疫苗的个体中进一步评估基因组整合的潜力。遗传学研究将有助于腺病毒疫苗的风险评估,并与免疫学研究一起,为这类COVID-19疫苗的可靠风险-效益评估提供信息。财务披露作者与任何组织或实体没有财务关系,与手稿中讨论的主题或材料有经济利益或经济冲突。这包括雇佣、咨询、酬金、股票所有权或期权、专家证词、获得或未决的赠款或专利,或特许权使用费。竞争利益披露作者与任何组织或实体在稿件中讨论的主题或材料方面没有竞争利益或相关关系。这包括雇佣、咨询、酬金、股票所有权或期权、专家证词、获得或未决的赠款或专利,或特许权使用费。写作披露在本手稿的制作过程中没有使用任何写作辅助。参考文献1。李建军,李建军,李建军,等。过去SARS-CoV-2感染对再次感染的保护:系统回顾和荟萃分析。柳叶刀401(10379),833-842(2023)。Crossref, Medline,谷歌Scholar2。Rahmani K, Shavaleh R, Forouhi M等。COVID-19疫苗在降低COVID-19发病率、住院率和死亡率方面的有效性:一项系统综述和荟萃分析前沿公共卫生杂志,2738(2022)。Crossref,谷歌Scholar3。李建军,张建军,张建军,等。接受免疫治疗的癌症患者接种SARS-CoV-2疫苗的纵向疗效和毒性细胞死亡杂志,14(1),49(2023)。Crossref, Medline, CAS,谷歌Scholar4。张军,曹军,叶强。 COVID-19疫苗对肾脏的副作用。疫苗10(11),1783(2022)。Crossref, CAS,谷歌Scholar5。基因工程和质粒。《经验》33,105-109(1977)。Crossref, Medline, CAS,谷歌Scholar6。病毒载体在疫苗开发中的应用,特别强调COVID-19。病毒12(11),1324(2020)。Crossref, Medline, CAS,谷歌Scholar7。Järås M, Brun AC, Karlsson S, Fan X.腺病毒载体在人原始造血细胞中瞬时基因表达的应用与展望。血液学杂志,35(3),343-349(2007)。Crossref, Medline,谷歌Scholar8。Thomas CE, Ehrhardt A, Kay MA。利用病毒载体进行基因治疗的进展和问题。中国生物医学工程学报,21(5),346-358(2003)。Crossref, Medline, CAS,谷歌Scholar9。李建军,张建军。基因治疗中病毒载体的研究进展。物化学。(摩西)81(7),700-708(2016)。Crossref, Medline, CAS,谷歌Scholar10。林志强,杨志强,杨志强,杨志强。末端修饰线性dna在哺乳动物细胞转染中的高自发整合率。科学。众议员13(1),6835(2023)。Crossref, Medline, CAS,谷歌Scholar11。Stephen SL, Montini E, Sivanandam VG等。体内腺病毒载体DNA的染色体整合。中国生物医学工程学报,2004(5):387 - 394(2010)。Crossref, Medline, CAS,谷歌Scholar12。李建军,李建军,李建军,等。腺病毒载体DNA与染色体DNA的同源重组。中国生物医学工程杂志,2009(5):391 - 391(2008)。Crossref, Medline, CAS,谷歌Scholar13。王忠,Troilo PJ, Griffiths TG等。静脉注射腺病毒DNA进入小鼠肝脏基因组DNA的整合频率和插入位点的表征。中国生物医学工程学报,29(6),322-332(2022)。Crossref, Medline, CAS,谷歌Scholar14。腺病毒12型诱导的仓鼠肿瘤的克隆起源:病毒DNA的非特异性染色体整合位点。中国癌症杂志57(14),3001-3009(1997)。中国科学院医学热线,b谷歌0 Scholar15。李春华,李春华,李春华,等。腺病毒载体染色体整合的频率和稳定性。[j] .中国生物医学工程学报,2003(1),32 - 34(1999)。Crossref, Medline, CAS,谷歌Scholar16。Knight-Jones T, Edmond K, Gubbins S, Paton D.兽医和人用疫苗评价方法。程序R. SocLond。医学杂志。科学通报,281(1784),20132839(2014)。中国科学院院士。美国卫生和人类服务部、美国食品和药物管理局以及生物制品评价和研究中心(美国)。行业指南:人类基因治疗产品给药后的长期随访。(2020)。谷歌Scholar18。李建平,李建平。基因治疗和细胞治疗产品的调控方面。中国生物医学工程学报,2015,33(4):559 - 564。谷歌scholarfigures参考文献相关详细信息提前打印保持联系指标历史收稿
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引用次数: 1
Antiviral attributes of bee venom as a possible therapeutic approach against SARS-CoV-2 infection. 蜂毒抗病毒特性作为治疗SARS-CoV-2感染的可能方法
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-10-01 Epub Date: 2023-11-07 DOI: 10.2217/fvl-2023-0127
Soumik Goswami, Jayita Pal Chowdhury

The unprecedented scale of the SARS-CoV-2 pandemic has driven considerable investigation into novel antiviral treatments since effective vaccination strategies cannot completely eradicate the virus. Apitherapy describes the medicinal use of bee venom, which may be an effective treatment against SARS-CoV-2 infection. Bee venom contains chemicals that are antimicrobial and stimulate the immune system to counteract viral load. The present review focuses on the use of bee venom as a possible treatment for COVID-19 and reviews studies on the pharmacodynamics of bee venom.

由于有效的疫苗接种策略不能完全根除这种病毒,SARS-CoV-2大流行的空前规模推动了对新型抗病毒治疗方法的大量研究。蜂疗描述了蜂毒的药用用途,这可能是对抗SARS-CoV-2感染的有效治疗方法。蜂毒含有抗菌化学物质,能刺激免疫系统对抗病毒载量。本文综述了蜂毒作为新型冠状病毒肺炎可能的治疗方法,并对蜂毒的药效学研究进行了综述。
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引用次数: 0
In silico identification of deep-sea fungal alkaloids as potential inhibitors of SARS-CoV-2, Delta and Omicron spikes. 深海真菌生物碱作为严重急性呼吸系统综合征冠状病毒2型、德尔塔和奥密克戎尖峰的潜在抑制剂的计算机鉴定。
IF 2.1 4区 医学 Q3 VIROLOGY Pub Date : 2023-10-01 Epub Date: 2023-10-26 DOI: 10.2217/fvl-2023-0102
Abdullah R Alanzi, Mohammad K Parvez, Mohammed S Al-Dosari

Aim: Virtual screening of deep-sea fungal metabolites against SARS-CoV-2 Delta and Omicron spikes as potential antivirals. Materials & methods: Deep-sea fungal alkaloids (n ≥ 150) were evaluated against SARS-CoV-2, Delta and Omicron spikes, using various in silico approaches, including Admet scores, physiochemical properties, molecular docking (MD) and MD simulation (150 ns). Results: The test alkaloids complied with Admet scores and physiochemical properties within acceptable ranges, and followed Lipinski's rule of five. Of these, Cladosporium sphaerospermum-derived cladosin K (tetramate alkaloid) for SARS-CoV-2, Cystobasidium laryngis-derived saphenol (phenazine alkaloid) for Delta and Chaetomium globosum-derived chaetoglobosin E (quinoline alkaloid) for Omicron were identified as potential spike-inhibitors. Conclusion: Our data therefore, strongly warrants further experimental validations of cladosin K, saphenol and chaetoglobosin E, especially against the Omicron and Delta spikes.

目的:虚拟筛选深海真菌代谢产物对抗严重急性呼吸系统综合征冠状病毒2型德尔塔和奥密克戎尖峰作为潜在抗病毒药物。材料与方法:使用各种计算机方法,包括Admet评分、理化性质、分子对接(MD)和MD模拟(150ns),评估深海真菌生物碱(n≥150)对严重急性呼吸系统综合征冠状病毒2型、德尔塔和奥密克戎刺突的抗药性。结果:试验生物碱符合Admet评分和理化性质,在可接受的范围内,并遵循利平斯基五项规则。其中,球孢分枝杆菌衍生的用于严重急性呼吸系统综合征冠状病毒2型的分枝菌素K(四配偶体生物碱)、喉半胱壳菌衍生的用于德尔塔的隐酚(吩嗪生物碱)和球毛菌衍生的毛球菌素E(喹啉生物碱)被确定为潜在的刺突抑制剂。结论:因此,我们的数据有力地证明了分支菌素K、隐酚和毛球菌素E的进一步实验验证,特别是针对奥密克戎和德尔塔尖峰。
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引用次数: 0
Validation of a risk prediction model for COVID-19: the PERIL prospective cohort study. COVID-19风险预测模型的验证:PERIL前瞻性队列研究
IF 3.1 4区 医学 Q3 Immunology and Microbiology Pub Date : 2023-10-01 Epub Date: 2023-11-07 DOI: 10.2217/fvl-2023-0036
Shahd A Mohammedain, Saif Badran, AbdelNaser Y Elzouki, Halla Salim, Ayesha Chalaby, Mya Siddiqui, Yehia Y Hussein, Hanan Abdul Rahim, Lukman Thalib, Mohammed Fasihul Alam, Daoud Al-Badriyeh, Sumaya Al-Maadeed, Suhail Ar Doi

Aim: This study aims to perform an external validation of a recently developed prognostic model for early prediction of the risk of progression to severe COVID-19. Patients & methods/materials: Patients were recruited at their initial diagnosis at two facilities within Hamad Medical Corporation in Qatar. 356 adults were included for analysis. Predictors for progression of COVID-19 were all measured at disease onset and first contact with the health system. Results: The C statistic was 83% (95% CI: 78%-87%) and the calibration plot showed that the model was well-calibrated. Conclusion: The published prognostic model for the progression of COVID-19 infection showed satisfactory discrimination and calibration and the model is easy to apply in clinical practice.d.

目的:本研究旨在对最近开发的用于早期预测进展为严重COVID-19风险的预后模型进行外部验证。患者和方法/材料:在卡塔尔哈马德医疗公司的两家机构中招募初次诊断的患者,包括356名成年人进行分析。COVID-19进展的预测指标均在发病和首次接触卫生系统时进行测量。结果:C统计量为83% (95% CI: 78% ~ 87%),校正图显示模型校正良好。结论:已发表的新型冠状病毒感染进展预后模型具有良好的判别性和校正性,易于临床应用。
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引用次数: 0
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Future Virology
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