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The relevance of balance assessment to detect balance deficits in obesesubjects: A cross sectional study. 平衡评估对检测肥胖受试者平衡缺陷的相关性:一项横断面研究。
Pub Date : 2018-01-01 DOI: 10.35841/BIOLOGY-MEDICINE.2.1.15-20
Ibrahim Aa, M. Amr, Kamel Em, Youssef Rfm, Al-Mathour Rs
Objectives: This study was conducted to assess posture balance and fall risk in obese men. Design: A cross sectional study. Methods: Fifty males were represented the sample of the study. We used Biodex balance system for assessing three tests for the subject i.e., Posture stability testing, Limits of stability testing and Fall risk testing. Results: Descriptive statistics of means and standard deviations and correlation analysis using Pearson correlation coefficient revealed no statistical difference between tested parameters with change in BMI. Conclusion: We concluded that BMI alone is not main cause of balance but other factors may have greater role in stability.
目的:本研究旨在评估肥胖男性的姿势平衡和跌倒风险。设计:横断面研究。方法:以50名男性为研究样本。我们使用Biodex平衡系统评估受试者的三项测试,即姿势稳定性测试、稳定性极限测试和跌倒风险测试。结果:均值和标准差描述性统计及Pearson相关系数相关分析显示,被测参数与BMI变化无统计学差异。结论:BMI本身并不是平衡的主要原因,其他因素可能对平衡的影响更大。
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引用次数: 1
A computational approach to identify microRNA (miRNA) based biomarker from the regulation of disease pathology 从疾病病理调节中识别基于microRNA (miRNA)的生物标志物的计算方法
Pub Date : 2018-01-01 DOI: 10.35841/biology-medicine.2.2.12-25
An, H. Aram
In the post genomic era, identification of a potential miRNA in a computational approach for the significance of a discovery of systemic biomarker to treat diseases is a challenging task to execute. The challenge was addressed by identifying the associate genes from Pubmed, OMIM and DisgeNet and it was followed by identifying the miRNAs and transcription factors of associate target genes from RegNetworks. In the next step, a miRNA based regulatory network was constructed on the basis of association between gene-miR-TFs. Finally, the network was analyzed on the basis of statistical studies and miRNA based compatibility to identify a potential miRNA to be utilized as a biomarker to treat diseases in future. In this article, the computational approach was used for the identification of a miRNA based systemic biomarker in Psoriasis and in future this approach can also be used for other diseases.
在后基因组时代,通过计算方法鉴定潜在的miRNA,以发现系统性生物标志物对治疗疾病的重要性,是一项具有挑战性的任务。通过从Pubmed、OMIM和DisgeNet中鉴定相关基因,随后从RegNetworks中鉴定相关靶基因的mirna和转录因子,解决了这一挑战。下一步,基于基因- mir - tf之间的关联,构建基于miRNA的调控网络。最后,在统计研究和基于miRNA兼容性的基础上,对网络进行分析,以确定未来可能用作治疗疾病的生物标志物的miRNA。在本文中,计算方法被用于鉴定银屑病中基于miRNA的系统生物标志物,未来该方法也可用于其他疾病。
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引用次数: 1
Investigation of Noninvasive Urine Specimens with Molecular Fluctuations for a Presence of High-Risk Human Papilloma Viruses as an Inflammatory Cofactor in the Prostate Cancer 非侵入性尿液标本中作为前列腺癌炎症辅助因子的高危人乳头瘤病毒存在的分子波动的研究
Pub Date : 2018-01-01 DOI: 10.4172/0974-8369.1000438
A. Kavrakova, B. Georgieva, K. Anachkov, K. Yanev, G. Ivanov, V. Mitev, A. Todorova
Background: The aim of the study is to investigate noninvasive urine specimens in suspected prostate cancer (PCa) patients by a panel of PCA3, TMPRSS2-ERG fusions and GSTP1 promoter hypermethylation. Furthermore, we tested urine specimens for the presence of high-risk Human Papilloma Viruses (HPV) as an inflammatory cofactor in the complicated origin of prostate cancer (PCa). Methods: A total of 50 patients with elevated PSA and/or PCa physiological symptoms were analyzed. RNA and DNA isolation; Reverse transcription; Real-time PCR; DNA sequencing; Bisulfite conversion of DNA; Methylationspecific PCR; Cytological preparations and staining were applied. Results: Molecular fluctuations were registered in most of the patients: neoplastic GSTP1 allele, PCA3 strongly elevated expression or hyperexpression. Only in 4 cases a positive TMPRSS2-ERG status was detected. High-risk HPV types were detected in ~ 35% of our urine specimens, obtained from patients at high risk of PCa based on their molecular profiles. Approximately 96% of detected high-risk HPVs are: 16, 33, 35, 31, distributed in the subgroup with highest oncogenic potential. The estimated frequency of high-risk HPV types in control male samples with urothelial infection is significantly lower (11%). The pathological examination on cytological slides from high-risk HPV positive urine specimens showed inflammation; variable adaptations of cellular growth and differentiation and partially viral cytopathic effect. In a proportion of patients with molecular PCa disturbed profile precancerous conditions (increased primitive cells with disturbed maturation; enlarged hyperchromatic nucleus and condensed chromatin) were found. Conclusion: Our molecular PCa findings, were confirmed on the cellular level with cytological findings of high grade alterations: coarse distributed chromatin texture with nuclear membrane irregularity and thickening; high N:C Ratio; prominence of nucleoli and irregularity in shape thereof; identical monotonous nucleoli present in all cells in a group (i.e., "Clonal" pattern); Tumor diathesis. The present study concerns novel data for Bulgarian PCa patients.
背景:本研究的目的是通过PCA3、TMPRSS2-ERG融合和GSTP1启动子超甲基化来研究疑似前列腺癌(PCa)患者的无创尿液标本。此外,我们检测尿液标本中是否存在高风险的人乳头瘤病毒(HPV),作为前列腺癌(PCa)复杂起源的炎症辅助因子。方法:对50例有PSA升高和/或PCa生理症状的患者进行分析。RNA和DNA分离;反转录;实时聚合酶链反应;DNA测序;亚硫酸氢盐转化DNA;Methylationspecific PCR;进行细胞学准备和染色。结果:大多数患者均存在分子波动:肿瘤性GSTP1等位基因、PCA3强表达或高表达。仅有4例患者检测到TMPRSS2-ERG阳性。高危HPV类型在我们的尿液样本中检测到约35%,这些样本来自PCa高危患者,基于他们的分子谱。约96%的检测到的高危hpv分别为:16、33、35、31,分布在致癌潜力最高的亚群中。在尿路上皮感染的对照男性样本中,高危型HPV的估计频率明显较低(11%)。高危HPV阳性尿样细胞学切片病理检查显示炎症;细胞生长和分化的可变适应和部分病毒细胞病变效应。在部分分子PCa患者中,紊乱的癌前病变(原始细胞增加,成熟紊乱;细胞核增厚,染色质浓缩)。结论:我们的分子PCa的发现在细胞水平上得到了证实,细胞学表现为高度的改变:染色质结构分布粗糙,核膜不规则和增厚;高氮碳比;核仁突出,形状不规则;在一组细胞中存在相同的单一核仁(即“克隆”模式);肿瘤的素质。目前的研究涉及保加利亚PCa患者的新数据。
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引用次数: 0
Evaluation of Absorbability of Macromolecular Substances in the Oral Mucosa and Skin using a Three-Dimensional Tissue Culture Model 用三维组织培养模型评价口腔黏膜和皮肤大分子物质的可吸收性
Pub Date : 2018-01-01 DOI: 10.4172/0974-8369.1000448
M. Takenokuchi, K. Kadoyama, Daisuke Yoshida, Shigeki Takaki, R. Yamamoto, K. Saigo, T. Taniguchi
Introduction: Collagen exists in various connective tissues and helps to provide them mechanical strength and elasticity. The main component of the tendon is properly arranged collagen fibers withstanding very strong forces. The compactly packed collagen fine fibers inside the bone and cartilage increase their elasticity. Collagen also helps skin elasticity and strength. Hyaluronic acid widely exists in extracellular matrix, such as joints and skin. It plays an important role in maintaining cartilage function by making ultra-macromolecular complexes with aggrecan or protein. These collagen and hyaluronic acid decrease with age. Therefore oral supplementation or cosmetics containing them are developed day by day and catch interests of people trackleing anti-aging. The objective of this study was to evaluate and compare the absorbability of macromolecular substances in the oral mucosa and in the skin. Methods: As animal experiments cannot be performed for the evaluation of cosmetics, we used a threedimensional oral mucosa culture model and a three-dimensional epidermis culture model. The absorbability of macromolecular substances with molecular weights from 4,000 to 2,000,000 Da was compared between the oral mucosa model and the skin model. Results: In the skin model, the amount permeated were quite low on all molecular weight. In the oral mucosa model, it absorbed much more compared with that of skin model, though the amount decreased according to the molecular weight. Conclusion: This result was considered due to the absence of the stratum corneum in the oral mucosa. High absorbability through oral mucosa shows the possibility of a new absorption pathway of macromolecular substances.
胶原蛋白存在于各种结缔组织中,并有助于提供它们的机械强度和弹性。肌腱的主要成分是排列合理的胶原纤维,它能承受很强的力。骨骼和软骨内紧密堆积的胶原蛋白(细纤维)增加了它们的弹性。胶原蛋白还有助于皮肤弹性和强度。透明质酸广泛存在于关节、皮肤等细胞外基质中。它通过与聚集蛋白或蛋白质形成超大分子复合物,在维持软骨功能中起重要作用。这些胶原蛋白和透明质酸随着年龄的增长而减少。因此,含它们的口服补充剂或化妆品日益被开发出来,并引起了人们对抗衰老的兴趣。本研究的目的是评估和比较大分子物质在口腔黏膜和皮肤中的可吸收性。方法:由于动物实验无法对化妆品进行评价,我们采用了口腔黏膜三维培养模型和口腔表皮三维培养模型。比较口腔黏膜模型和皮肤模型对分子量为4000 ~ 20000da的大分子物质的吸收能力。结果:在皮肤模型中,各分子质量的渗透量都很低。在口腔黏膜模型中,其吸收量明显高于皮肤模型,但吸收量随分子量的增加而减少。结论:该结果与口腔黏膜角质层缺失有关。通过口腔黏膜的高吸收率显示了大分子物质吸收新途径的可能性。
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引用次数: 3
Inhibition of PKCβ Mediates Cardioprotective Activity of Ambrex against Isoproterenol-Induced Myocardial Necrosis: in vivo and in silico Studies 抑制PKCβ介导Ambrex对异丙肾上腺素诱导的心肌坏死的心脏保护活性:体内和体外研究
Pub Date : 2018-01-01 DOI: 10.4172/0974-8369.1000442
Rekha M. Ravindran, S. Kumar, J. Rajkumar, Sujata Roy, S. Sathiya, C. Babu, M. J. Equbal
Aims and objectives: The current study characterized the morphology of Ambrex formulation by Scanning Electron Microscopy and assessed its cardioprotective activity against Isoproterenol (ISPH)-induced myocardial necrosis in rats by biochemical and histopathological evaluations, and also attempted to predict the prospective protein-targets of Ambrex and the signaling pathway that mediates this activity through molecular docking approach. Materials and methods: Sprague–Dawley male rats (4 groups, 6 rats per group) chosen for the current study were acclimatized to the laboratory conditions for 7 days prior to actual treatment; they were pretreated with Ambrex (40 mg/kg b.wt/day, p.o) everday for 21 days and then intoxicated with ISPH (85 mg/kg b.wt, s.c) on day-20 and 21 to experimentally induce myocardial necrosis. The extent of ISPH-induced myocardial necrosis was quantified in terms of the serum levels of two cardiac biomarkers: creatine kinase-MB and lactate dehydrogenase. The extent of ISPH-induced oxidative stress was quantified in terms of the tissue levels of five oxidative stress biomarkers: superoxide dismutase, catalase, reduced glutathione, glutathione peroxidase and lipid peroxidation. Results and discussion: The Scanning Electron Microscopy image of Ambrex formulation showed the formation of nanoparticles with thickness of 65 nm, making Ambrex a unique metal-deficient Siddha-medicine based polyherbal nano-formulation characterized and evaluated in India. Pretreatment with Ambrex attenuated the extent of ISPH-induced oxidative stress, lipid peroxidation and generation of reactive oxygen species as reflected by biochemical evaluations, and also ameliorated the degree of ISPH-induced myocardial necrosis and membrane damage as reflected by histopathological evaluations. The results of molecular docking revealed that Withaferin-A and Methyl Commate-A (the key metabolites of Withania somnifera and Ambrex respectively) inhibit Protein KinaseC Beta, and renders Ambrex its cardioprotective activity by maintaining the intracellular antioxidant homeostasis and myocardial membrane architecture.
目的:本研究通过扫描电镜表征Ambrex制剂的形态,通过生化和组织病理学评估其对异丙肾上腺素(ISPH)诱导的大鼠心肌坏死的心脏保护活性,并试图通过分子对接方法预测Ambrex的潜在蛋白靶点和介导该活性的信号通路。材料与方法:本研究选用Sprague-Dawley雄性大鼠(4组,每组6只),在实际治疗前7天适应实验室条件;每天用Ambrex (40 mg/kg b.wt/day, p.o)预处理21 d,然后在第20天和第21天用ISPH (85 mg/kg b.wt, s.c)诱导心肌坏死。isph诱导心肌坏死的程度通过两种心脏生物标志物(肌酸激酶- mb和乳酸脱氢酶)的血清水平来量化。通过五种氧化应激生物标志物(超氧化物歧化酶、过氧化氢酶、还原性谷胱甘肽、谷胱甘肽过氧化物酶和脂质过氧化)的组织水平来量化isph诱导的氧化应激程度。结果与讨论:Ambrex配方的扫描电镜图像显示形成了厚度为65 nm的纳米颗粒,使Ambrex成为印度独特的以悉达多药为基础的缺金属多草药纳米配方。经生化评价,Ambrex预处理可减轻isph诱导的氧化应激、脂质过氧化和活性氧的产生程度;经组织病理学评价,Ambrex预处理可改善isph诱导的心肌坏死和膜损伤程度。分子对接结果显示,Withaferin-A和Methyl Commate-A(分别是Withania somnifera和Ambrex的关键代谢产物)抑制蛋白KinaseC β,并通过维持细胞内抗氧化稳态和心肌膜结构,使Ambrex具有保护心脏的活性。
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引用次数: 1
The Biological Role of Intestine: Overall Inflammation 肠道的生物学作用:全面炎症
Pub Date : 2018-01-01 DOI: 10.4172/0974-8369.1000450
M. Ciampolini
List of Abbreviations: BG: Blood Glucose; an index of energy availability in blood for the whole body; Initial Hunger Meal Pattern (IHMP): Energy intake is adjusted to three arousals of initial hunger per day; Initial Hunger: This consists of gastric pangs or physical weakness associated with low blood glucose that arise after meal suspension for either few minutes or hours; This arousal misses in diabetic patients; MBG: mean blood glucose: mean of BG measurements before three main meals in a week.
缩写词列表:BG: Blood Glucose;能量指数:整个身体血液中可用能量的指数;初始饥饿进食模式(IHMP):能量摄入调整为每天三次初始饥饿唤醒;初始饥饿:在餐后暂停几分钟或几小时出现胃痛或与低血糖相关的身体虚弱;糖尿病患者没有这种觉醒;MBG:平均血糖:一周内三餐前的平均血糖值。
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引用次数: 0
Polymorphisms of BCL2 Gene in Acute Lymphoblastic Leukemia Patients in Pakistan and Screening of Phytochemicals to Overcome its Expression 巴基斯坦急性淋巴细胞白血病患者BCL2基因多态性及克服其表达的植物化学物质筛选
Pub Date : 2017-11-15 DOI: 10.4172/0974-8369.1000424
Huma Butt
Leukemia is a third fatal disease in developing countries. According to Punjab cancer registry 2014 report, leukemia incidence in Pakistan is 18.8%. Many treatments are available for leukemia now days but still there is a mortality rate measured. BCL2 controls cell apoptosis but when overexpressed due to the presence of promoter region single nucleotide polymorphism 938C>A, it causes anticancer drug resistance and represses apoptosis of malfunctioned cells resulting in immature leucocytes. The aim of the present study was genotyping of promoter region SNP in acute lymphoblastic leukemia patients of Pakistan and screening of naturally occurring phytochemical to identify BCL2 active site targeting compounds to control its expression. Study was performed on 104 cases taking similar control size showing allelic frequency C=0.466 and A=0.534 in cases, indicating an association with the disease by having chi-square p-value 0.0032. Screening of 90 phytochemicals was performed out of which one compound was selected as a lead compound based upon drug likeliness properties, binding with protein, and natural existence that may cause the least harm to human body and greater effect on leukemia cells. The information provided by this research can be used to make new-targeted drugs to control leukemia by inhibiting the mutated proteins.
白血病是发展中国家的第三大致命疾病。根据旁遮普癌症登记处2014年的报告,巴基斯坦的白血病发病率为18.8%。现在有许多治疗白血病的方法,但仍然有死亡率。BCL2控制细胞凋亡,但由于启动子区单核苷酸多态性938C>A的存在而过度表达时,会引起抗癌耐药并抑制功能异常细胞的凋亡,导致未成熟白细胞。本研究的目的是对巴基斯坦急性淋巴细胞白血病患者启动子区SNP进行基因分型,并筛选天然存在的植物化学物质,以确定BCL2活性位点靶向化合物以控制其表达。对照大小相近的104例,等位基因频率C=0.466, A=0.534,卡方p值为0.0032,提示与疾病相关。对90种植物化学物质进行筛选,根据药物可能性、与蛋白质的结合性、天然存在性等因素,筛选出一种对人体危害最小、对白血病细胞作用较大的先导化合物。这项研究提供的信息可用于制造新的靶向药物,通过抑制突变蛋白来控制白血病。
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引用次数: 3
Exhalation Air Fungal Culture of Mechanically Ventilated Aspergillosis Suspected Patients in Concordance with Other Conventional Diagnostic Techniques 机械通气疑似曲霉菌病患者的呼气真菌培养与其他常规诊断技术的一致性
Pub Date : 2017-10-18 DOI: 10.4172/0974-8369.1000416
Bassam Aboul-Nasr, Abdel-Naser A. Zohri, M. Adam, E. Amer
Aspergillosis remains one of the most challenging areas of illness. It has recently emerged as a world-wide health care problem, owing to extensive use of broad spectrum antibiotics, immunosuppressive agents and increasing population of terminally ill and debilitated patients. The ultimate aim of this investigation is to minimize morbidity and mortality of mechanically ventilated aspergillosis suspected patients, who have been notoriously difficult to be diagnosed and treated, by developing an accurate and easy diagnostic tool comparable to other conventional methods. Two hundred twenty seven suspected aspergillosis patients were screened for fungal infection using different conventional tools to evaluate different respiratory specimens sputum, bronchoalveolar lavage, plural fluid, blood, biopsy and ELISA technique for galactomannan and (1-3)-β-D-glucan antigens in serum and bronchoalveolar lavage. Four Aspergillus species (A. niger, A. fumigatus, A. flavus and A. terreus) were isolated and identified morphologically and genetically using the conventional diagnostic tools from suspected patients in all positive cultures. The results of the exhalation air of twenty three mechanically ventilated aspergillosis suspected patients came in accordance with those of the conventional methods used. Thus, exhalation air culture is an easily performed bedside tool for diagnosis of aspergillosis in ventilated patients.
曲霉病仍然是最具挑战性的疾病领域之一。由于广泛使用广谱抗生素、免疫抑制剂以及越来越多的绝症患者和衰弱患者,它最近已成为一个世界性的保健问题。本研究的最终目的是通过开发一种与其他常规方法相媲美的准确、简便的诊断工具,最大限度地减少机械通气曲霉病疑似患者的发病率和死亡率,这些患者一直是出了名的难以诊断和治疗。对227例疑似曲霉病患者进行真菌感染筛查,采用不同常规工具评估不同呼吸道标本(痰、支气管肺泡灌洗液、多元液、血液、活检)及ELISA法检测血清和支气管肺泡灌洗液中半乳甘露聚糖和(1-3)-β- d -葡聚糖抗原。从所有阳性培养的疑似患者中分离出4种曲霉(黑曲霉、烟曲霉、黄曲霉和地曲霉),并利用常规诊断工具进行形态学和遗传学鉴定。对23例机械通气曲霉病疑似患者呼气结果与常规方法一致。因此,呼气空气培养是一种易于进行的床边工具,诊断曲霉病的通气患者。
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引用次数: 0
Coexistence of Mature Cystic Teratoma and Endometrioma in an Ovarian Cyst 卵巢囊肿中成熟囊性畸胎瘤和子宫内膜异位瘤的共存
Pub Date : 2017-08-21 DOI: 10.14302/ISSN.2574-4526.JDDD-17-1498
Tilley Jc, J. Dubuisson
We report a rare case of association between a mature cystic teratoma (MCT) and an endometrioma in the ovary. This entity is extremely rare and its diagnostic is a challenge clinically and radiologically. To our knowledge we report the fourth case of the coexistence of a non-neoplastic endometrioma and a benign neoplastic mature cystic teratoma in the left ovary.
我们报告一个罕见的病例之间的关联成熟囊性畸胎瘤(MCT)和子宫内膜异位瘤在卵巢。这个实体是极其罕见的,它的诊断是一个挑战临床和放射学。据我们所知,我们报告第四例共存的非肿瘤性子宫内膜异位瘤和良性肿瘤成熟囊性畸胎瘤在左卵巢。
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引用次数: 4
The c.1787G>T and c.1787G>A Mutations are not Found in the Prothrombin Gene in a Spanish Population 西班牙人群凝血酶原基因中未发现c.1787G>T和c.1787G>A突变
Pub Date : 2017-07-27 DOI: 10.4172/0974-8369.1000405
N. Vilalta, I. Tirado, J. Mateo, L. Romero, Marina Carrasco, J. Souto, J. Fontcuberta
Miyawaky et al. have identified recently a new prothrombin gene mutation c.1787G>T in a Japanese family with hereditary thrombophilia [4]. This mutation is located in the last exon of the prothrombin gene resulting in Arg596Leu replacement. Djordjevic et al. [5] also have described another mutation at the same prothrombin gene position (c. 1787G>A prothrombin Belgrade) that results in aminoacid change (Arg596Gln). The mutant prothrombins were shown to have reduced activity in clotting assays and the produced thrombin was markedly resistant to inhibition by antithrombin.
Miyawaky等人最近在一个日本遗传性血栓病家族中发现了一种新的凝血酶原基因突变c.1787G>T。该突变位于凝血酶原基因的最后外显子,导致Arg596Leu替代。Djordjevic等人也描述了在相同凝血酶原基因位置的另一种突变(c. 1787G>A贝尔格莱德凝血酶原)导致氨基酸改变(Arg596Gln)。突变的凝血酶原在凝血试验中显示出活性降低,并且产生的凝血酶明显抵抗抗凝血酶的抑制。
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引用次数: 0
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Biology and medicine (Aligarh)
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