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Safety and efficacy of injection of exosomes derived from human umbilical cord mesenchymal stem cells in the treatment of limb ischemia: an in-vivo evaluation in mice 注射人脐带间充质干细胞外泌体治疗肢体缺血的安全性和有效性:小鼠体内评估
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-11-01 DOI: 10.23736/s2724-542x.22.02936-4
T. Le, N. Vu, P. Nguyen, P. D. Huynh, Phuc Van Pham
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引用次数: 0
Daturalactones as immunomodulators: activation of immune cells conferring cytotoxicity towards colon and pancreatic cancer cells 天然内酯作为免疫调节剂:激活免疫细胞赋予结肠癌和胰腺癌细胞毒性
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-11-01 DOI: 10.23736/s2724-542x.22.02931-5
G. Chandan, Chetan Kumar, N. Satti, H. Tuli, S. Fagoonee, S. Haque, A. Saini, R. Saini
{"title":"Daturalactones as immunomodulators: activation of immune cells conferring cytotoxicity towards colon and pancreatic cancer cells","authors":"G. Chandan, Chetan Kumar, N. Satti, H. Tuli, S. Fagoonee, S. Haque, A. Saini, R. Saini","doi":"10.23736/s2724-542x.22.02931-5","DOIUrl":"https://doi.org/10.23736/s2724-542x.22.02931-5","url":null,"abstract":"","PeriodicalId":29824,"journal":{"name":"Minerva Biotechnology and Biomolecular Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85986147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cytokine profile in patients with osteoarthritis after SARS-CoV-2 infection SARS-CoV-2感染后骨关节炎患者的细胞因子特征
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-11-01 DOI: 10.23736/s2724-542x.22.02943-1
D. Krenytska, L. Kot, T. Halenova, N. Raksha, T. Vovk, O. Savchuk, R. Pellicano, L. Abenavoli, T. Falalyeyeva, L. Ostapchenko
BACKGROUND: Severe acute respiratory syndrome-related Coronavirus 2 (SARS-CoV-2) іnfection induces a pro-inflammatory state of an organism with long-term systemic consequences as a result. Systemic inflammation, characterized by a high circulating level of inflammatory cytokines, is a significant factor influencing articular cartilage metabolism in osteoarthritis (OA). This study aimed to determine the levels of pro-inflammatory and anti-inflammatory cytokines in plasma of patients with OA following SARS-CoV-2 infection and to compare them with those of healthy controls. METHODS: The experiment involved patients of the Orthopedic Specialty Clinic aged 46 to 69 diagnosed with knee OA. Among persons with joint pathology a group of convalescent patients from 6-9 months after COVID-19 was identified. The control group involved relatively healthy donors. The plasma levels of pro-inflammatory (IL-1β, IL-6, IL-8, IL-12β, tumor necrosis factor α [TNF-α], interferon-gamma [IFN-γ]) and anti-inflammatory (IL-4 and IL-10) cytokines were determined by enzyme-linked immunosorbent assay. RESULTS: It was established that in patients with OA, as well as after suffering from SARS-CoV-2 infection, an increase in the plasma levels of IL-1β was observed against the background of a decrease in the levels of IL-4, IL-8, IL-10, IL- 12β, TNF-α and IFN-γ, compared to the healthy controls. COVID-19 more significantly influenced the plasma levels of pro-inflammatory cytokines IL-1β and IL-12β. CONCLUSIONS: The results indicate the imbalance of pro- and anti-inflammatory cytokines in the plasma in patients with OA for a long post- COVID. Сhanges in the levels of inflammatory mediators suggest distinct immunoregulatory mechanisms involved in the pathogenesis of both joint pathology and systemic disorders caused by SARS-CoV-2. [ FROM AUTHOR]
背景:严重急性呼吸综合征相关冠状病毒2 (SARS-CoV-2)感染可诱导机体的促炎状态,从而导致长期的系统性后果。系统性炎症是影响骨关节炎(OA)患者关节软骨代谢的重要因素,其特征是炎症细胞因子的高循环水平。本研究旨在测定SARS-CoV-2感染后OA患者血浆中促炎和抗炎细胞因子的水平,并与健康对照进行比较。方法:实验对象为46 ~ 69岁骨科专科门诊诊断为膝关节OA的患者。在有关节病理的人群中,一组在新冠肺炎确诊后6-9个月的恢复期患者。对照组是相对健康的捐献者。采用酶联免疫吸附法检测血浆促炎因子(IL-1β、IL-6、IL-8、IL-12β)、肿瘤坏死因子α (TNF-α)、干扰素γ (IFN-γ)和抗炎因子(IL-4、IL-10)水平。结果:与健康对照组相比,OA患者以及SARS-CoV-2感染后,血浆中IL-1β水平升高,而IL-4、IL-8、IL-10、IL- 12β、TNF-α和IFN-γ水平降低。COVID-19对血浆促炎因子IL-1β和IL-12β水平的影响更为显著。结论:新冠肺炎后长期OA患者血浆促炎性因子和抗炎性因子失衡。Сhanges炎症介质水平的变化表明,不同的免疫调节机制参与了SARS-CoV-2引起的关节病理和全身性疾病的发病机制。[源自作者]
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引用次数: 1
Neuroprotective effect of curcumin and curcumin-integrated nanocarriers in stroke: from mechanisms to therapeutic opportunities 姜黄素和姜黄素整合纳米载体在中风中的神经保护作用:从机制到治疗机会
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-11-01 DOI: 10.23736/s2724-542x.22.02946-7
J. Sharifi‐Rad, Z. Almarhoon, C. Adetunji, Olugbenga SAMUEL MICHAEL, Deepak Chandran, R. Radha, N. Sharma, M. Kumar, D. Calina
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引用次数: 2
Estimation of inherent bacterial DNA contamination in a qPCR master mix: concerns about background DNA of reagents qPCR主混合物中固有细菌DNA污染的估计:对试剂背景DNA的关注
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-11-01 DOI: 10.23736/s2724-542x.22.02925-x
Luciano A. Palomino-Kobayashi, M. J. Pons, J. Ruiz
{"title":"Estimation of inherent bacterial DNA contamination in a qPCR master mix: concerns about background DNA of reagents","authors":"Luciano A. Palomino-Kobayashi, M. J. Pons, J. Ruiz","doi":"10.23736/s2724-542x.22.02925-x","DOIUrl":"https://doi.org/10.23736/s2724-542x.22.02925-x","url":null,"abstract":"","PeriodicalId":29824,"journal":{"name":"Minerva Biotechnology and Biomolecular Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85489435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Isolation and screening of alpha-galactosidase-producing probiotics with anti-flatulence potential 具有抗胀气潜力的α -半乳糖苷酶产菌的分离与筛选
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-01 DOI: 10.23736/s2724-542x.21.02866-2
Aboozar Kazemi, S. Hemmati, Mohammad Hossein Morowvat, A. Gholami, Y. Ghasemi
{"title":"Isolation and screening of alpha-galactosidase-producing probiotics with anti-flatulence potential","authors":"Aboozar Kazemi, S. Hemmati, Mohammad Hossein Morowvat, A. Gholami, Y. Ghasemi","doi":"10.23736/s2724-542x.21.02866-2","DOIUrl":"https://doi.org/10.23736/s2724-542x.21.02866-2","url":null,"abstract":"","PeriodicalId":29824,"journal":{"name":"Minerva Biotechnology and Biomolecular Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85000029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence of Non-O157 Escherichia coli serotypes isolated from the stool of under five years old children presenting with diarrhea in Lagos, Nigeria 尼日利亚拉各斯5岁以下腹泻儿童粪便中分离出非o157大肠杆菌血清型的流行率
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-01 DOI: 10.23736/s2724-542x.22.02905-4
T. Jolaiya, S. Braun, A. Ajayi, A. Coker, R. Ehricht, S. Monecke, R. Pellicano, S. Smith
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引用次数: 0
Systematic structure guided clustering of chemical lead compounds targeting RdRp of SARS-CoV-2 靶向SARS-CoV-2 RdRp的化学先导化合物的系统结构引导聚类
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-01 DOI: 10.23736/s2724-542x.22.02869-3
A. Alsulimani, T. Bhardwaj, E. Janahi, Atiah H. Almalki, B. N. Tewari, M. Wahid, M. Alkhanani, P. Somvanshi, S. Haque
BACKGROUND: To combat the global health issue caused by SARS-CoV2, scientists are attempting various therapeutic approaches towards drug discovery including computational biology and drug-repurposing. Recent studies have highlighted the conserved nature of RNA-dependent RNA polymerase (RdRp) of coronaviruses affecting human, bat and animals. In this study attempts have been made to identify the potential inhibitors of RdRp by utilizing molecular docking and MD simulation studies. METHODS: Systematic structure-based screening of chemical compounds from public libraries was performed to identify the potential lead molecules inhibiting RdRp. This structure driven clustering of compounds is based on decision tree model generated by combining two properties: 1) shape descriptors;and 2) critical number of multiple bonds. The enabled screening of potential chemical compounds was subjected to molecular docking followed by molecular dynamics simulation studies. RESULTS: The results revealed that the stability of protein-drug complex structure was in the order of RdRp-Oxoglaucine >RdRp-Flutroline >RdRp-Brucine complex. CONCLUSIONS: This study identifies Oxoglaucine, Brucine and Flutroline as prospective inhibiting agents of SARS-CoV-2 RdRp and further warrants for experimental validation. ( [ FROM AUTHOR] Copyright of Minerva Biotechnology & Biomolecular is the property of Edizioni Minerva Medica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full . (Copyright applies to all s.)
背景:为了应对SARS-CoV2引起的全球健康问题,科学家们正在尝试各种治疗方法来发现药物,包括计算生物学和药物再利用。最近的研究强调了影响人类、蝙蝠和动物的冠状病毒的RNA依赖性RNA聚合酶(RdRp)的保守性。在本研究中,我们尝试通过分子对接和MD模拟研究来确定RdRp的潜在抑制剂。方法:系统筛选公共图书馆的化合物,以确定抑制RdRp的潜在先导分子。这种结构驱动的化合物聚类是基于结合两个属性生成的决策树模型:1)形状描述符;2)多键临界数。潜在化合物的筛选是通过分子对接进行的,然后进行分子动力学模拟研究。结果:蛋白质-药物复合物结构的稳定性依次为rdrp -氧丙氨酸> rdrp -氟氯啉> rdrp -马钱子氨酸复合物。结论:本研究确定氧丙氨酸、马钱子碱和氟氯碱是SARS-CoV-2 RdRp的前瞻性抑制剂,并进一步值得实验验证。版权:密涅瓦生物技术和生物分子是Edizioni Minerva Medica的财产,未经版权所有者的明确书面许可,其内容不得复制或通过电子邮件发送到多个网站或发布到列表服务器。但是,用户可以打印、下载或通过电子邮件发送文章供个人使用。这可以删节。对副本的准确性不作任何保证。用户应参阅原始出版版本的材料的完整。(版权适用于所有人。)
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引用次数: 3
In-silico analysis of multiepitope based vaccine targeting respiratory viruses SARS, MERS and SARS-CoV-2 针对呼吸道病毒SARS、MERS和SARS- cov -2的多表位疫苗的芯片分析
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-09-01 DOI: 10.23736/s2724-542x.22.02868-1
A. Sen, Ritu Bansal, Sanika Mohagaonkar, T. Bhardwaj, B. Rathi, Atiah H. Almalki, E. Janahi, A. Alsulimani, B. N. Tewari, P. Somvanshi, S. Haque
BACKGROUND: Recurrent outbreaks of respiratory viruses like SARS-CoV (severe acute respiratory syndrome-coronavirus, 2002), MERS (Middle East respiratory syndrome, 2012) including the ongoing SARS-CoV-2 (2019) pandemic warrants for a single-broad-spectrum vaccine against these respiratory viruses. METHODS: In the present study, phylogenetic analysis followed by in-silico identification of vaccine candidates for SARS, MERS and SARS- CoV-2 was performed by exploiting T-cell and B-cell mapping to ascertain the best possible epitopes for effector humoral- and cell-mediated immune response. Further, population-coverage analysis of the identified epitopes followed by the designing of chimera of epitope-based vaccine was done using linkers and adjuvants. Docking study was done to appraise the interaction of the proposed vaccine with ACE2 (angiotensin converting enzyme-2) receptor (SARS and SARS-CoV-2) and HLA-B7 (human leukocyte antigen) receptor (MERS). The stability of the vaccine chimera was confirmed by molecular dynamics performed for 20 ns;this was followed by codon optimization and in-silico cloning. RESULTS: Phylogenetic analysis revealed similarity among SARS-CoV-2, SARS-CoV and bat SARS-like coronavirus. Both, SARS-CoV and SARS-CoV-2 were from different class than MERS, whereas SARS-CoV-2 showed more relatedness with Bat SARS-like coronaviruses. The most suitable epitopes found were LSFELLNAPATVCGP (SARS), LVTLAILTALRLCAY (SARS-CoV-2) and YTSAFNWLL (MERS) with nearly 98% population coverage. Molecular docking followed by simulation studies revealed high number of hydrogen bonds, stable RMSD values and acceptable RMSF flexibility scores, indicating stable interactions of the vaccine with ACE2 and MHC receptors (Major histocompat-ibility complex). Expression of the designed multiepitope vaccine in E. coli (Escherichia coli) expression system was confirmed by in-silico cloning/codon optimization. CONCLUSIONS: Further, in-vitro and in-vivo experimental validation studies are required to endorse our current findings. [ FROM AUTHOR] Copyright of Minerva Biotechnology & Biomolecular is the property of Edizioni Minerva Medica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full . (Copyright applies to all s.)
背景:SARS-CoV(2002年严重急性呼吸综合征-冠状病毒)、MERS(2012年中东呼吸综合征)等呼吸道病毒的反复暴发,包括正在进行的SARS-CoV-2(2019年)大流行,需要针对这些呼吸道病毒的单一广谱疫苗。方法:在本研究中,通过t细胞和b细胞定位,对SARS、MERS和SARS- CoV-2候选疫苗进行系统发育分析,然后进行计算机鉴定,以确定体液和细胞介导的效应免疫反应的最佳抗原表位。此外,对鉴定的表位进行群体覆盖分析,然后使用连接剂和佐剂设计基于表位的疫苗嵌合体。对接研究评价该疫苗与ACE2(血管紧张素转换酶-2)受体(SARS和SARS- cov -2)和HLA-B7(人白细胞抗原)受体(MERS)的相互作用。通过20 ns的分子动力学验证了疫苗嵌合体的稳定性,随后进行了密码子优化和硅克隆。结果:系统发育分析显示SARS-CoV-2、SARS-CoV和蝙蝠sars样冠状病毒具有相似性。SARS-CoV和SARS-CoV-2与MERS属于不同的类别,而SARS-CoV-2与蝙蝠sars样冠状病毒的相关性更强。发现最适合的表位是LSFELLNAPATVCGP (SARS)、LVTLAILTALRLCAY (SARS- cov -2)和YTSAFNWLL (MERS),人群覆盖率接近98%。分子对接后的模拟研究显示,大量的氢键,稳定的RMSD值和可接受的RMSF灵活性评分,表明疫苗与ACE2和MHC受体(主要组织相容性复合体)的相互作用稳定。通过芯片克隆/密码子优化,证实了所设计的多表位疫苗在大肠杆菌(Escherichia coli)表达系统中的表达。结论:此外,需要体外和体内实验验证研究来支持我们目前的发现。【来自作者】密涅瓦生物技术和生物分子的版权是Edizioni Minerva Medica的财产,未经版权所有者的明确书面许可,其内容不得复制或通过电子邮件发送到多个网站或发布到列表服务器。但是,用户可以打印、下载或通过电子邮件发送文章供个人使用。这可以删节。对副本的准确性不作任何保证。用户应参阅原始出版版本的材料的完整。(版权适用于所有人。)
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引用次数: 3
Plasma matrix metalloproteinases (MMP-2 and MMP-9) as prognostic biomarkers in coronary heart disease 血浆基质金属蛋白酶(MMP-2和MMP-9)作为冠心病预后的生物标志物
IF 1 4区 生物学 Q3 Biochemistry, Genetics and Molecular Biology Pub Date : 2022-06-01 DOI: 10.23736/s2724-542x.22.02906-6
T. Marynenko, T. Halenova, N. Raksha, T. Vovk, Y. Tyravska, O. Savchuk, T. Falalyeyeva, S. Fagoonee, L. Abenavoli, L. Ostapchenko
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引用次数: 2
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Minerva Biotechnology and Biomolecular Research
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