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Influenza and COVID-19 Co-infection 流感和COVID-19合并感染
IF 1.4 Q2 Medicine Pub Date : 2022-09-20 DOI: 10.5812/archcid-131750
M. Mardani, M. Nasiri
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引用次数: 3
Detection and Genotyping of Papillomavirus by Real-Time PCR in Iraqi Patients 伊拉克患者乳头瘤病毒实时荧光定量PCR检测及基因分型
IF 1.4 Q2 Medicine Pub Date : 2022-09-19 DOI: 10.5812/archcid-121143
Zeina S. M. Al-Hadeithi, S. Jasim, Omar Dheyauldeen Salahldina
Background: Cervical cancer (CC) is linked to human papillomavirus (HPV). Globally, the prevalence and genotype distribution differ significantly. Objectives: The goal of this study was to find HPV 14, 16, 18, and 45 genotypes in urogenital swabs by using a real-time PCR amplification test for quantitative genotyping of HPV DNA types 16, 18, and 45 and for simultaneous quantitative detection of HPV DNA types 31, 33, 35, 39, 51, 52, 56, 58, 59, 66, and 68, for a total of 14 HPV genotypes. Methods: This case-control study included 86 cervical swabs from Iraqi women referred by the Al-Yarmook teaching hospital in Baghdad, Iraq. The ages of cases varied from 23 to 70 years and specimens were obtained between March 2020 and March 2021. The DNA was extracted for molecular assay. Fourteen HPV genotypes were detected using real-time PCR (16, 18, 45, 31, 33, 35, 39, 51, 52, 56, 58, 59, 66, and 68). The detection protocol was based on the commercial Kit V31-100/F FRT as follows. For each sample reaction, 10х(N+1) μL of PCR-mix-1-FRT HPV 14 was added into a new tube. Then, 5.0х(N+1) μL of PCR-mix-2 buffer and 0.5х(N+1) μL of TaqF DNA polymerase were added. The tubes were vortexed. Finally, the prepared tubes added 10 μL of DNA samples from test or control samples. The statistical analysis was conducted using the statistical package for SPSS and Excel 2016 software. Results: Genotype 16 had the highest frequency, followed by genotypes 45 (22%), 18 (14%), 35 and 59 (6%), 52 and 58 (4%), and 31 (2%), while genotypes 33, 39, 51, 56, 66, and 68 had the lowest frequency (1%). Conclusions: The real-time PCR was efficient for detecting and genotyping HPV-DNA and could help in earlier detection and clinical care of HPV-infected patients by reducing costs and workload.
背景:癌症(CC)与人乳头瘤病毒(HPV)有关。在全球范围内,患病率和基因型分布差异很大。目的:本研究的目的是通过实时PCR扩增检测16、18和45型HPV DNA的定量基因分型,以及同时定量检测31、33、35、39、51、52、56、58、59、66和68型HPV DNA,在泌尿生殖道拭子中发现HPV 14、16、18、45基因型。方法:本病例对照研究包括伊拉克巴格达Al-Yarmook教学医院转诊的86名伊拉克妇女的宫颈拭子。病例年龄从23岁到70岁不等,标本采集于2020年3月至2021年3月。提取DNA用于分子测定。使用实时PCR检测了14种HPV基因型(16、18、45、31、33、35、39、51、52、56、58、59、66和68)。检测方案基于商业试剂盒V31-100/F FRT,如下所示。对于每个样品反应,向新试管中加入10×(N+1)μL的PCR-mix-1-FRT HPV 14。然后,加入5.0×(N+1)μL的PCR-mix-2缓冲液和0.5×(N+一)μL TaqF DNA聚合酶。管子发生涡流。最后,制备的试管加入来自测试或对照样品的10μL DNA样品。使用SPSS和Excel 2016软件的统计包进行统计分析。结果:基因型16的频率最高,其次是基因型45(22%)、18(14%)、35和59(6%)、52和58(4%)和31(2%),而基因型33、39、51、56、66和68的频率最低(1%)。结论:实时聚合酶链式反应可有效地检测和分型HPV-DNA,并可通过降低成本和工作量来帮助早期检测和临床护理HPV感染患者。
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引用次数: 0
Mycobacterium simiae Isolates Subtypes and Molecular Drug Susceptibility in Iran 伊朗猿类分枝杆菌分离株亚型及分子药敏研究
IF 1.4 Q2 Medicine Pub Date : 2022-09-18 DOI: 10.5812/archcid-127866
Donya Malekshahian, P. Tabarsi, P. Farnia, Pedram Javanmard, S. Seif, H. Teymouri
Background: Despite the clinical and epidemiological importance of Mycobacterium simiae worldwide, including in Iran, there is no clear and effective treatment regimen for M. simiae and its different subtypes. Objectives: Concerning the superiority of molecular approaches, this study aims to identify the common M. simiae subtypes submitted to the National Reference Tuberculosis (TB) Laboratory of Iran and study the presence of drug resistance by molecular detection methods. Methods: We included sputum samples with M. simiae confirmation submitted to the National Reference TB Laboratory of Iran from May 2014 to May 2016. The polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay was used for drug susceptibility testing (DST). Results: Among 7200 TB suspected patients, a total of 60 M. simiae cases belonging to subtype I were identified. All the included clinical isolates met the American Thoracic Society (ATS) and Infectious Diseases Society of America (IDSA) diagnostic criteria and were considered the disease’s causative pathogen. Males (58.33%), elderly (68.54%), and patients with a history of TB (51.42%) were shown to be more prone to infection with the disease. All clinical isolates of M. simiae were resistant to rifampin (RIF) and isoniazid (INH). Amikacin/kanamycin (AMK/KAN) and ciprofloxacin (CIP) susceptibility was found to be 91.66% and 88.33%, respectively. Conclusions: Subtype I was exclusively identified among M. simiae patients in Iran. Molecular detection of drug resistance suggests that amikacin/kanamycin and ciprofloxacin could be used to treat patients infected with M. simiae subtype I.
背景:尽管猴分枝杆菌在世界范围内(包括伊朗)具有临床和流行病学重要性,但对于猴分枝杆菌及其不同亚型尚无明确有效的治疗方案。目的:利用分子检测方法的优势,鉴定提交伊朗国家结核参考实验室的常见结核分枝杆菌亚型,并利用分子检测方法研究结核分枝杆菌耐药情况。方法:纳入2014年5月至2016年5月提交给伊朗国家结核参考实验室的经类人猿分枝杆菌确认的痰样本。采用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)法进行药敏试验。结果:在7200例结核病疑似患者中,共鉴定出60例结核分枝杆菌属I亚型。所有纳入的临床分离株均符合美国胸科学会(ATS)和美国传染病学会(IDSA)的诊断标准,并被认为是该病的病原。男性(58.33%)、老年人(68.54%)和有结核病史的患者(51.42%)更易发生结核病感染。所有临床分离株均对利福平(RIF)和异烟肼(INH)耐药。阿米卡星/卡那霉素(AMK/KAN)和环丙沙星(CIP)的敏感性分别为91.66%和88.33%。结论:在伊朗的猿猴支原体患者中仅鉴定出I亚型。耐药分子检测提示阿米卡星/卡那霉素和环丙沙星可用于治疗猴分枝杆菌I亚型感染患者。
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引用次数: 0
Sero-epidemiology and Risk Assessment of Hepatitis E Virus Among Blood Donors in North Lebanon 黎巴嫩北部献血者戊型肝炎病毒的血清流行病学和风险评估
IF 1.4 Q2 Medicine Pub Date : 2022-09-14 DOI: 10.5812/archcid-129115
Joyce Ghazzawi, Sara Moubayed, Sara Khalife
Background: Hepatitis E virus (HEV) is the causative agent of over 50% of acute viral hepatitis cases. The blood transfusion route has emerged as a possible route of transmission of HEV. Objectives: This study aimed to determine the seroprevalence of IgM and IgG anti-HEV among blood donors in North Lebanon and to assess the risk factors associated with its occurrence. Methods: A cross-sectional study was conducted from November to December 2020. Blood samples were collected from 78 healthy blood donors. A standardized questionnaire containing sociodemographic, food consumption, lifestyle, and health-related characteristics, was filled out to assess the risk factors of HEV exposure. Serum samples were tested for IgM and IgG anti-HEV by an enzyme-linked immunosorbent assay (ELISA). Results: The seroprevalence of IgM and IgG anti-HEV antibodies was reported in our study, and it reached 1.09% (1/78) and 12.82% (10/78), respectively. The use of private wells as a drinking source and the travel history to endemic countries have been identified as risk factors for HEV infections (P
背景:戊型肝炎病毒(HEV)是50%以上急性病毒性肝炎病例的病原体。输血途径已成为戊型肝炎的一种可能传播途径。目的:本研究旨在确定黎巴嫩北部献血者血清中IgM和IgG抗hev的患病率,并评估其发生的相关危险因素。方法:于2020年11月至12月进行横断面研究。采集了78名健康献血者的血液样本。填写一份包含社会人口学、食物消费、生活方式和健康相关特征的标准化问卷,以评估HEV暴露的危险因素。采用酶联免疫吸附试验(ELISA)检测血清中IgM和IgG抗hev抗体。结果:本研究报告血清IgM和IgG抗hev抗体阳性率分别为1.09%(1/78)和12.82%(10/78)。使用私人水井作为饮用水源和前往流行国家的旅行史已被确定为戊型肝炎感染的危险因素(P
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引用次数: 0
A Pilot Study Evaluating Subgenomic RNAs for Detection of Infectious SARS-CoV-2 in Nasopharyngeal Swabs 评估检测鼻咽拭子传染性SARS-CoV-2的亚基因组rna的初步研究
IF 1.4 Q2 Medicine Pub Date : 2022-09-13 DOI: 10.5812/archcid-128040
Nattamon Niyomdecha, C. Boonarkart, Kunlakanya Jitobaom, Y. Suputtamongkol, P. Auewarakul
Background: The prolonged persistence of viral ribonucleic acid (RNA) in coronavirus disease 2019 (COVID-19) patients and the difficulty in differentiating between infectious virus and noninfectious viral RNA have impeded the use of current molecular diagnostic tests as a decision tool in quarantine termination. The performance of new methods to detect surrogate viability markers, such as subgenomic RNAs (sgRNAs), has been discussed, and numerous important questions are still needed to be addressed before broad implementation. Objectives: This study aimed to primarily evaluate the performance of SYBR green quantitative reverse transcription-polymerase chain reaction (RT-qPCR) targeting N and E sgRNAs as a surrogate of viability markers. Methods: This pilot study was carried out to detect genomic RNAs (gRNAs) and sgRNAs using RT-qPCR in cell culture infected with severe acute respiratory syndrome coronavirus 2 and nasopharyngeal swabbing samples from COVID-19 patients, and the results were compared to viral culture as a gold standard method for infectious virus detection. The diagnostic parameters and Cohen’s Kappa correlation index were then analyzed. Results: E subgenomic RNA detection was the most reliable predictor for actively replicating the virus as it showed the highest value of all diagnostic parameters with a good correlation with viral cultivation. The lowest cycle threshold value of gRNAs and sgN detection become undetectable by sgE within the range of 23 - 26. Conclusion: Using a suitable sgRNA type was important for test accuracy. The findings suggested E sgRNA detection as a promising surrogate approach to indicate a truly active viral infection, and when performed with a low-cost molecular test of SYBR green-based assay, it could support huge demands for routine analysis.
背景:2019冠状病毒病(COVID-19)患者体内病毒核糖核酸(RNA)的长期存在以及传染性病毒与非传染性病毒RNA的难以区分,阻碍了目前分子诊断检测作为终止隔离的决策工具的使用。检测替代生存能力标记(如亚基因组rna (sgRNAs))的新方法的性能已经得到了讨论,在广泛实施之前仍需要解决许多重要问题。目的:本研究旨在初步评价SYBR绿色定量逆转录聚合酶链反应(RT-qPCR)靶向N和E sgRNAs作为生存能力标记的替代品的性能。方法:本研究采用RT-qPCR方法对感染严重急性呼吸综合征冠状病毒2型的细胞培养物和COVID-19患者的鼻咽拭子样本进行基因组rna (gRNAs)和sgRNAs检测,并将结果与病毒培养作为感染性病毒检测的金标准方法进行比较。然后分析诊断参数和Cohen’s Kappa相关指数。结果:E亚基因组RNA检测是病毒主动复制最可靠的预测指标,其在所有诊断参数中值最高,与病毒培养有良好的相关性。grna和sgN的最低周期阈值在23 - 26范围内无法被sgE检测到。结论:选择合适的sgRNA类型对提高检测准确性具有重要意义。研究结果表明,E sgRNA检测是一种很有希望的替代方法,可以指示真正活跃的病毒感染,并且当与低成本的SYBR绿色检测分子测试一起进行时,它可以支持常规分析的巨大需求。
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引用次数: 0
Is Behavior Change a Key Factor in the Global Reduction of Monkeypox? 行为改变是全球猴痘减少的关键因素吗?
IF 1.4 Q2 Medicine Pub Date : 2022-09-12 DOI: 10.5812/archcid-131544
M. Mardani
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引用次数: 0
Efficacy of Dexamethasone and Methylprednisolone in Hospitalization Outcomes of COVID-19 Patients: A Comparative Retrospective Study 地塞米松和甲基强的松龙对COVID-19患者住院疗效的比较回顾性研究
IF 1.4 Q2 Medicine Pub Date : 2022-09-11 DOI: 10.5812/archcid-129727
M. Abbasi, A. Ziaee, Alireza Hejrati, Seyyed Alireza Hosseini, Lina Hejrati, Shahin Keshtkar Rajabi
Background: Control of the COVID-19 pandemic, its treatment, and prevention of mortality and morbidity have been the main focus of researchers over the past two years. Due to disagreement on the usefulness of different corticosteroids in the treatment of COVID-19, this work compared the efficacy of dexamethasone and methylprednisolone in the treatment outcomes of intensive critical care (ICU) patients. Methods: The present retrospective cohort study examined clinical records of 105 COVID-19 patients hospitalized in the ICUs of Firoozabadi Hospital in 2021. Clinical outcomes, including the length of hospital stay, the need for a ventilator, and mortality, were compared between patients who received either dexamethasone (DXM) or methylprednisolone (MP). Data were analyzed by SPSS V.20 software at P < 0.05 as statistical significance. Results: The mean ± SD ages of the patients in the DXM and MP groups were 58.82 ± 19.29 and 60.66 ± 14.17 years, respectively, without a statistically significant difference (P > 0.05). The mean duration of hospitalization was 8.14 ± 4.36 days in the DXM group and 6.80 ± 3.34 days in the MP group (P = 0.295). Also, 19 (33.3%) cases in the DXM group an, 19 (39.6%) in the MP group needed mechanical ventilation during hospitalization (P = 0.546). Finally, 30 (52.6%) patients in the DXM group and 27 (56.2%) in the MP group died. Conclusions: The findings indicated no significant difference in the mean duration of hospitalization, the need for a ventilator, and mortality in COVID-19 ICU patients treated with methylprednisolone or dexamethasone. There is a need to perform meta-analyses owing to conflicting results regarding the effects of different corticosteroids on the COVID-19 course.
背景:过去两年,新冠肺炎大流行的控制、治疗以及死亡率和发病率的预防一直是研究人员的主要关注点。由于对不同皮质类固醇治疗新冠肺炎的有效性存在分歧,本工作比较了地塞米松和甲基强的松龙在重症监护室(ICU)患者治疗结果中的疗效。方法:本回顾性队列研究检查了2021年在Firoozabadi医院ICU住院的105名新冠肺炎患者的临床记录。比较接受地塞米松(DXM)或甲基强的松龙(MP)治疗的患者的临床结果,包括住院时间、对呼吸机的需求和死亡率。数据采用SPSS V.20软件进行统计分析,差异有统计学意义(P<0.05)。结果:DXM和MP组患者的平均±SD年龄分别为58.82±19.29和60.66±14.17岁,差异无统计学意义(P>0.05)。DXM组和MP组的平均住院时间分别为8.14±4.36和6.80±3.34天(P=0.295),MP组有19例(39.6%)患者在住院期间需要机械通气(P=0.546)。最后,DXM组有30例(52.6%)患者死亡,MP组有27例(56.2%)患者死亡。结论:研究结果表明,接受甲基强的松龙或地塞米松治疗的新冠肺炎ICU患者的平均住院时间、呼吸机需求和死亡率没有显著差异。由于不同皮质类固醇对新冠肺炎病程影响的结果相互矛盾,因此需要进行荟萃分析。
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引用次数: 0
Cecum Necrosis with Terminal Ileum Perforation Due to Invasive Fungal Infection in a Patient with Diabetes Mellitus and Acute Myeloid Leukemia: A Case Report 糖尿病和急性髓细胞白血病患者侵袭性真菌感染致盲肠坏死伴回肠末端穿孔一例报告
IF 1.4 Q2 Medicine Pub Date : 2022-09-06 DOI: 10.5812/archcid-121127
Mohammad Eslamian, Mehrdad Rabiee Rad, Ghazal Ghasempour Dabaghi, Maryam Goharian, A. Farhang
Introduction: Immunosuppression conditions are the leading risk factors for opportunistic fungal infections. The clinical manifestation is related to the site of infection. Gastrointestinal (GI) mucormycosis is a rare form of this disease, even in immunosuppressed patients. Case Presentation: We report rare cecum necrosis with terminal ileum perforation resulting from infiltration of mucormycosis in the cecum wall and terminal ileum mesentery in a patient with diabetes mellitus and acute myeloid leukemia (AML). During chemotherapy for AML, the patient presented diarrhea followed by constipation, severe progressive abdominal pain, and fecaloid peritonitis. Perforation of the terminal ileum was observed during the surgery. Ileostomy, right hemicolectomy, and resection of necrotic tissue were performed, and bowel mucormycosis was confirmed on histologic examination. Unfortunately, the patient expired five days after surgery. Conclusions: Gastrointestinal mucormycosis is an uncommon infection with symptoms like abdominal pain, nausea, vomiting, and melena. The mortality of GI involvement is due to perforation, peritonitis, and GI bleeding.
引言:免疫抑制条件是机会性真菌感染的主要危险因素。临床表现与感染部位有关。胃肠道毛霉菌病是这种疾病的一种罕见形式,即使在免疫抑制患者中也是如此。病例介绍:我们报告了一例糖尿病和急性髓系白血病(AML)患者,由于盲肠壁和回肠末端肠系膜的毛霉菌病浸润,导致罕见的盲肠坏死伴回肠末端穿孔。AML化疗期间,患者出现腹泻、便秘、严重进行性腹痛和粪样腹膜炎。术中观察到回肠末端穿孔。进行了回肠切开术、右半结肠切除术和坏死组织切除术,并在组织学检查中证实了肠毛霉菌病。不幸的是,患者在手术后五天就去世了。结论:胃肠道毛霉菌病是一种罕见的感染,症状包括腹痛、恶心、呕吐和黑便。胃肠道感染的死亡率是由于穿孔、腹膜炎和胃肠道出血。
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引用次数: 1
Evaluating the Role of Glove Changing Before Mesh Application During Herniorrhaphy Surgery to Reduce Surgical Site Infections 评估疝修补手术中补片应用前更换手套对减少手术部位感染的作用
IF 1.4 Q2 Medicine Pub Date : 2022-09-03 DOI: 10.5812/archcid-128082
Mostafa Mahmoudzadeh Kenari, S. Akhlaghi, M. Motie
Background: Prevention of surgical site infection (SSI) in hernia repair with mesh remains the main concern. Many risk factors have been proposed; however, the role of changing the glove remains to be elucidated. Methods: This longitudinal study was conducted on adult inguinal hernia cases referred to elective repair using mesh reconstruction. Two hundred cases were enrolled and classified into two groups, including the group that surgeon and his assistants changed the glove and the group in which the gloves remained unchanged. Age, gender, surgery duration, and the side of hernia were compared between those who developed SSI and those without this complication. Moreover, the infection rate was compared between the two study groups. Results: One hundred and two males (51.0%) and 98 females (49.0%) with a mean age of 42.60 ± 15.79 years old were enrolled in the study. None of the variables showed a significant difference between SSI cases and non-SSI cases. Moreover, the rate of infection was not significantly different between the two study groups. Conclusions: Glove changing before mesh application indicates no considerable role in reducing SSI rate; however, further studies are needed to confirm these findings.
背景:补片疝修补术中手术部位感染(SSI)的预防仍然是主要关注的问题。人们提出了许多风险因素;然而,更换手套的作用仍有待阐明。方法:对成人腹股沟疝择期行补片重建的病例进行纵向研究。200例病例被纳入研究,并被分为两组,其中一组外科医生及其助手更换了手套,另一组手套保持不变。比较发生SSI和无此并发症的患者的年龄、性别、手术时间和疝侧边。并比较两组患者的感染率。结果:男性102例(51.0%),女性98例(49.0%),平均年龄42.60±15.79岁。所有变量均未显示SSI病例与非SSI病例之间有显著差异。此外,感染率在两个研究组之间没有显著差异。结论:使用补片前更换手套对降低SSI发生率无显著作用;然而,需要进一步的研究来证实这些发现。
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引用次数: 0
Effects of Thymus vulgaris and Cinnamomum verum Essential Oils on bap and ica Gene Expression in Staphylococcus aureus 寻常胸腺和肉桂精油对金黄色葡萄球菌bap和ica基因表达的影响
IF 1.4 Q2 Medicine Pub Date : 2022-09-03 DOI: 10.5812/archcid-122410
F. Noorbakhsh, P. Rahmati
Background: Staphylococcus aureus can cause a variety of infectious diseases, mainly due to its ability to shift between the planktonic and the biofilm lifestyle. Biofilm infections present a serious problem in human medicine. Biofilm-associated protein (bap) and intercellular adhesin (ica) genes are involved in biofilm formation. Objectives: This study evaluated the effect of Thymus vulgaris and Cinnamomum verum essential oils on biofilm formation and expression of icaA, icaD, and bap genes in S. aureus strains. Methods: A total of 20 strains of S. aureus were isolated from the urine of patients. The susceptibility test was performed to determine the effect of minimum inhibitory concentration (MIC) of thyme and cinnamon essential oils on strains by broth dilution method. The expression of icaA and icaD genes was determined by measuring the cognate messenger ribonucleic acid level using real-time polymerase chain reaction (PCR). Results: The biofilm formation of strains after treatment with the MIC of thyme essential oil was observed as 40% weak and 60% negative biofilms, and with the MIC of cinnamon essential oil as 25% strong and 75% moderate biofilms. Real-time PCR demonstrated that 60% of S. aureus strains treated with thyme and cinnamon essential oils showed a decrease in icaA gene expression. Moreover, 55% and 70% of the strains treated with thyme and cinnamon essential oils had reduced icaD gene expression, respectively. None of the strains of S. aureus had a bap gene. Conclusions: The present study showed that thyme and cinnamon essential oils reduce the expression of icaA and icaD genes, and cinnamon essential oil is more effective than thyme essential oil.
背景:金黄色葡萄球菌可引起多种传染病,主要是由于其能够在浮游生物和生物膜生活方式之间转换。生物膜感染是人类医学中的一个严重问题。生物膜相关蛋白(bap)和细胞间粘附素(ica)基因参与生物膜的形成。目的:本研究评估了寻常胸腺和香樟精油对金黄色葡萄球菌生物膜形成和icaA、icaD和bap基因表达的影响。方法:从患者尿液中分离出20株金黄色葡萄球菌。采用肉汤稀释法测定百里香和肉桂精油的最小抑菌浓度(MIC)对菌株的敏感性。通过实时聚合酶链式反应(PCR)测量同源信使核糖核酸水平来测定icaA和icaD基因的表达。结果:百里香精油MIC处理后菌株的生物膜形成率为40%弱生物膜和60%负生物膜,肉桂精油MIC为25%强生物膜和75%中等生物膜。实时PCR显示,用百里香和肉桂精油处理的60%的金黄色葡萄球菌菌株显示icaA基因表达减少。此外,用百里香和肉桂精油处理的菌株中,分别有55%和70%的icaD基因表达降低。没有一株金黄色葡萄球菌具有bap基因。结论:本研究表明,百里香和肉桂精油可降低icaA和icaD基因的表达,肉桂精油比百里香精油更有效。
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引用次数: 3
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Archives of Clinical Infectious Diseases
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