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Frequency of Latent TB Infection in Patients with Spondyloarthritis in a Tertiary Care Hospital in Bangladesh 孟加拉国一家三级医院脊椎关节炎患者潜伏性结核感染的频率
Pub Date : 2020-11-09 DOI: 10.11648/J.AJBLS.20200806.12
A. T. Hasan, M. Alim
Background & Objective: Screening for latent TB infection is recommended prior to the initiation of the newer and more effective treatment modalities of spondyloathritis such as biologic agents and tofacitinib. The prevalence of latent TB infection in the adult population of Bangladesh is not yet known. The figure is 40% in the general population in India that is demographically similar to the Bangladeshi population. The objective of this study was to assess the frequency of latent TB infection in patients with spondyloarhtritis visiting a tertiary hospital. Materials & Methods: This study was conducted in the Department of Rheumatology of Enam Medical College & Hospital, Savar, Dhaka, Bangladesh from October 2018 to December 2019. Each of the 75 participants underwent Mantoux test as a screening procedure for the detection of latent TB infection. Results: Mantoux test was positive (≥10 mm) in 10.3% of the participants. A reading between 5 and 9 mm was found in 33.7% of the participants and the rest of the participants (56%) had induration diameters <5 mm). 44% of the participants had readings ≥5 mm. Conclusions: A lower than expected (around 40%) frequency of latent TB infection was found among the participants. But using a cut-off value of 5 mm yields a frequency of 44%% that is close to our expectation. So a lower cut-off value for the interpretation of Mantoux test in patients with spondyloarthritis may be appropriate. A larger-scale study is required to confirm this observation.
背景与目的:建议在开始使用生物制剂和托法替尼等更有效的脊柱炎治疗方法之前筛查潜伏性结核感染。孟加拉国成年人口中潜伏结核感染的流行率尚不清楚。这个数字在印度总人口中占40%,在人口统计学上与孟加拉国人口相似。本研究的目的是评估在三级医院就诊的脊柱炎患者潜伏性结核感染的频率。材料与方法:本研究于2018年10月至2019年12月在孟加拉国达卡Savar的伊纳姆医学院和医院风湿病学系进行。75名参与者中的每一位都接受了Mantoux测试,作为检测潜伏性结核感染的筛查程序。结果:10.3%的受试者Mantoux试验阳性(≥10 mm)。在33.7%的参与者中发现读数在5到9毫米之间,其余参与者(56%)的硬结直径<5毫米。44%的受试者读数≥5毫米。结论:在参与者中发现潜伏性结核感染的频率低于预期(约40%)。但是使用5毫米的临界值产生的频率为44%,接近我们的预期。因此,对于脊椎关节炎患者的Mantoux试验的解释,较低的临界值可能是合适的。需要更大规模的研究来证实这一观察结果。
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引用次数: 0
Effect of Soliman Auricular Allergy Treatment (SAAT) on IgE-mediated Reactions Due to Exposure to Mammalian Meat Oligosaccharide, Galactose-α-1,3-Galactose 索利曼耳变态反应治疗(SAAT)对暴露于哺乳动物肉寡糖、半乳糖-α-1,3-半乳糖的ige介导反应的影响
Pub Date : 2020-09-23 DOI: 10.11648/J.AJBLS.20200805.18
Donald Liebell
Allergy to galactose 1,3, α-galactose (alpha gal)—a natural cellular carbohydrate component of non-catarrhine primate mammalian muscle tissue—is a recognized and prevalent disorder. No effective treatment has been established beyond palliative and emergency treatment medications used for food allergies, in general. This tick-triggered illness can affect humans, not only through mammalian meat consumption, but via exposure to numerous food and non-food products containing alpha gal, as well as skin contact and inhalation of airborne particulates. The objective was to document with a statistically powerful cohort, the efficacy of the ear acupuncture procedure, Soliman Auricular Allergy Treatment (SAAT), in support of the neurological theory of allergy. SAAT procedures involved electrical detection of case-specific auricular acupuncture points within the ovoid region designated as Soliman Allergy Zone (SAZ). 3mm-long, semi-permanent, intradermal ear acupuncture needles were inserted as indicated—secured by surgical tape and medical adhesive to enable ongoing stimulation for 3 weeks. Participants removed the acupuncture needles at home. Patients reported diverse histories of typical allergic symptoms, ranging from mild gastrointestinal or pruritic symptoms to severe anaphylactic reactions, as well as atypical symptoms such as joint problems, fatigue, anxiety, and sleep dysfunction. Primary outcome was patients’ written attestation of restored ability to be exposed to alpha gal without allergic incident, or significant reduction. Among the initial 155 patients providing follow up data, 147 patients reported some degree of returned consumption of mammalian meat without allergic incident, or significant reduction in severity or frequency. The paradigm-shifting relevance of this preliminary investigation—successfully treating a globally-relevant and problematic arthropod vector-triggered allergy, cannot be overestimated. No prophylactic or supportive treatment for AGA has been previously reported. The response was of groundbreaking statistical significance; the success rate for this first wave of follow-up responding participants who completed the treatment was 94.8%.
对半乳糖1,3,α-半乳糖(α gal)过敏是一种公认的普遍疾病,它是灵长类动物肌肉组织中的天然细胞碳水化合物成分。一般来说,除了用于食物过敏的姑息性和紧急治疗药物外,还没有确定有效的治疗方法。这种由蜱虫引发的疾病不仅可以通过食用哺乳动物的肉类影响人类,还可以通过接触大量含有α -半乳糖的食物和非食品,以及皮肤接触和吸入空气中的微粒来影响人类。目的是通过统计强有力的队列来证明耳针疗法索利曼耳过敏治疗(SAAT)的有效性,以支持过敏的神经学理论。SAAT程序包括在指定为Soliman过敏区(SAZ)的卵形区域内对特定病例的耳穴进行电检测。按指示插入3mm长的半永久性皮内耳针,用手术胶带和医用胶固定,持续刺激3周。参与者在家中取出针灸针。患者报告了不同的典型过敏症状史,从轻微的胃肠道或瘙痒症状到严重的过敏反应,以及非典型症状,如关节问题、疲劳、焦虑和睡眠障碍。主要结果是患者的书面证明恢复了暴露于α - gal的能力,没有过敏事件,或显着减少。在最初提供随访数据的155例患者中,147例患者报告在一定程度上再次食用哺乳动物肉类,未发生过敏事件,或严重程度或频率显著降低。这项初步研究成功治疗了一种与全球相关且有问题的节肢动物媒介引发的过敏,其范式转变的相关性不能被高估。以前没有关于AGA的预防性或支持性治疗的报道。这一反应具有开创性的统计学意义;完成治疗的第一波随访应答参与者的成功率为94.8%。
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引用次数: 2
Assessment of the Adherence of Primaquine for the Control and Elimination of Malaria in Senegal 塞内加尔控制和消除疟疾的伯氨喹依从性评估
Pub Date : 2020-09-17 DOI: 10.11648/J.AJBLS.20200805.17
K. T. Guiguemde, Yakou Dieye, B. Faye
Primaquine is a drug widely used for Plasmodium vivax malaria treatment. It is known to be active on Plasmodium falciparum mature gametocytes which are responsible for the transmission of the parasite from humans to mosquitoes. In 2018, Senegal initiated the large-scale use of a single low dose of primaquine associated with artemisinin-based combination therapy for malaria elimination. This study aimed to assess the therapeutic adherence of the implementation of primaquine in the Saint-Louis region. To measure therapeutic adherence, questionnaires were developed and made it possible to collect information from treated malaria patients, health workers, the investigating team and health authorities. Out of 1087 malaria patients, 585 received primaquine. Children under the age of 5 could not receive it due to the lack of the pediatric formulation. The involvement of private health facilities has shown its effectiveness in the implementation of the strategy. However, efforts must be made to improve the documentation of cases in the national surveillance system and to acquire logistical means facilitating the supply of the drug in remote locations. The authorities must become more involved in finding a solution for the availability and sufficient supply of primaquine to formulations adapted to the population.
伯氨喹是一种广泛用于治疗间日疟原虫疟疾的药物。已知它在恶性疟原虫成熟配子体上有活性,而成熟配子体负责将寄生虫从人传播给蚊子。2018年,塞内加尔开始大规模使用单次低剂量伯氨喹和以青蒿素为基础的联合疗法,以消除疟疾。本研究旨在评估在圣路易斯地区实施伯氨喹的治疗依从性。为了衡量治疗依从性,编制了调查问卷,从而有可能从接受治疗的疟疾患者、卫生工作者、调查小组和卫生当局收集信息。在1087名疟疾患者中,585人接受了伯氨喹治疗。由于缺乏儿科配方,5岁以下的儿童无法接受。私营保健设施的参与显示了其在执行该战略方面的有效性。但是,必须努力改进国家监测系统中的病例记录,并获得后勤手段,以便在偏远地区提供药物。当局必须更多地参与寻找一种解决办法,使伯氨喹的可得性和充足供应成为适合人口的配方。
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引用次数: 0
Development, Testing of Construct Validity and Reliability of Pakistan Senior Citizens Quality of Life- Measurement Tool (PSCQL-MT) 巴基斯坦老年人生活质量测量工具(PSCQL-MT)结构效度和信度的开发与检验
Pub Date : 2020-09-16 DOI: 10.11648/J.AJBLS.20200805.15
H. Mahmood, Ammara Waqar, Syed Amir Gilani, M. Yaqoob, E. M. Qureshi, S. Rana, A. Hanif, Awais Gohar
This study has been dedicated to design, create and validate of quality of life (QoL) questionnaire called as (PSCQL-MT). This tool has been developed to measure physical activities, social relationship, cognitive aging, leisure activities and health behaviours. The objective of the study is to Develop, Test of Construct validity and reliability of (PSCQL-MT) to measure Quality of Life (QoL) in Senior Citizens of Lahore, Pakistan. Temporal stability was measured using the test-retest method. The overall questionnaire score shows an ICC of.86 (p <.001) with a 95% confidence interval (CI)=[.83-.89]. Analyses by dimensions range from a CCI of.72 (p <.001) with a 95% CI=[.66-.76] for the "other leisure activities" dimension to a CCI of.87 (p <.001) with a 95% CI=[.84-.89] for the "social activities" dimension. There was no specific valid questionnaire available in Pakistan to evaluate the individual and overall QoL in Pakistan. For this purpose, a reliable and valid construct questionnaire needs to be developed. This study has developed a tool that can measure 5 major variables which determine the QoL It has been concluded from the study that the development of PSCQL-MT questionnaire and valid tool is a great achievement to carry out research on the QoL in the study population.
本研究旨在设计、制作及验证生活品质问卷(PSCQL-MT)。开发这一工具是为了测量身体活动、社会关系、认知老化、休闲活动和健康行为。本研究的目的是开发、检验PSCQL-MT量表(PSCQL-MT)的效度和信度,以衡量巴基斯坦拉合尔市老年人的生活质量。时间稳定性采用重测法测量。整体问卷得分显示ICC为0.86(p <.001), 95%可信区间(CI)=[.83-.89]。维度分析的CCI范围从0.72(p < 0.001), 95% CI=[.66-]。[76]“其他休闲活动”的CCI为。87(p <.001), 95% CI=[.84-]。[89]“社会活动”维度。巴基斯坦没有专门的有效问卷来评估巴基斯坦的个人和总体生活质量。为此,需要开发一份可靠有效的结构问卷。本研究开发了一种可以测量决定生活质量的5个主要变量的工具,从研究中得出结论,PSCQL-MT问卷和有效工具的开发是对研究人群进行生活质量研究的一项重大成就。
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引用次数: 0
Age Related Cognitive Impairment and Physical Disability to Measure Quality of Life (QoL) Using PSCQL-MT Tool in the Senior Citizens of Lahore, Pakistan 使用PSCQL-MT工具测量巴基斯坦拉合尔老年人的年龄相关认知障碍和身体残疾的生活质量(QoL
Pub Date : 2020-09-16 DOI: 10.11648/J.AJBLS.20200805.16
H. Mahmood, Ammara Waqar, M. Yaqoob, E. M. Qureshi, S. Rana, Syed Amir Gilani, A. Hanif, Awais Gohar
The impact of physical exercise activity and cognitive executive functions and their impact on the QoL is of great importance in performing ADL and IADL in the senior citizens. This study will provide an inside into multidimensional factors which can impact the cognitive and physical mobility of the persons in the old age. Moreover, it is also desirable to measure the QoL on the basis of PSCQL-MT on a larger scale for longer duration of time. The role of gender on the QoL using different variables needs to be further evaluated. The objectives of the study are: To find out the relationship between the cognitive improvement due to physical exercise activities in the elderly persons. To find out the effect of different variables on QoL in male and female. The following hypothesis will be tested based on PSCQL-MT questionnaire. H1: Physical exercise activities play an important role in stabilizing or improving the cognitive functions on the basis of gender in the study population. H2: Physical exercise activities do not play an important role in stabilizing or improving the cognitive functions on the basis of gender in the study population. The result of the study showed that recent physical exercise activity does not play any significant role in improving the QoL. The cognitive functions in the senior citizens who perform ADL and IADL depend upon the physical mobility and mental ability for the persons. The long term physical exercise activity, socio-cultural level, lifestyle, leisure activities and health behavior play a significant in maintaining the cognitive functions and physical health in the senior citizens. The scope of this study was to find out the moderating factors which can preserve cognitive executive functions in the senior citizens. Our study is more related on the concept of physical exercise activities and its impact on the cognitive executive functions in the elderly. The PSCQL-MT questionnaire contains all the dimensions which are necessary to find out the relationship of physical activities and cognitive functions in terms of ADL and IADL. The PSCQL-MT questionnaire and the modified questionnaires are very closed in terms of their dimensions. We concluded from the study that physical exercise activity in the long term is very important in preserving the cognitive functions in the elderly persons. We also found out that the PSCQL-MT questionnaire is a good addition to conduct research on the different aspects of healthy living in the different population.
体育锻炼活动对认知执行功能的影响及其对生活质量的影响在老年人日常生活自理和日常生活自理中具有重要意义。本研究将深入探讨影响老年人认知和身体活动能力的多维因素。此外,在PSCQL-MT的基础上,在更大的尺度和更长的时间内测量生活质量也是可取的。性别对使用不同变量的生活质量的作用需要进一步评估。本研究的目的是:了解体育锻炼与老年人认知能力改善之间的关系。探讨不同变量对男性和女性生活质量的影响。以下假设将基于PSCQL-MT问卷进行检验。H1:体育锻炼活动对研究人群性别认知功能的稳定或改善具有重要作用。H2:在研究人群中,体育锻炼活动在稳定或改善认知功能方面没有基于性别的重要作用。研究结果显示,最近的体育锻炼活动对改善生活质量没有任何显著作用。从事日常生活和日常生活的老年人的认知功能取决于他们的身体活动能力和心智能力。长期体育锻炼活动、社会文化水平、生活方式、休闲活动和健康行为对老年人认知功能和身体健康的维持有重要作用。本研究旨在找出维持老年人认知执行功能的调节因素。我们的研究更多的是关于体育活动的概念及其对老年人认知执行功能的影响。PSCQL-MT问卷包含了从ADL和IADL两方面考察体育活动与认知功能之间关系所必需的所有维度。PSCQL-MT问卷和修改后的问卷在维度上非常接近。研究结果表明,长期进行体育锻炼对保持老年人的认知功能具有重要作用。我们还发现PSCQL-MT问卷是对不同人群健康生活的不同方面进行研究的一个很好的补充。
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引用次数: 0
Physical Exercise Activity, Cognitive Functions and Its Relationship to Quality of Life in the Senior Citizens of Lahore 拉合尔市老年人体育锻炼活动、认知功能及其与生活质量的关系
Pub Date : 2020-09-16 DOI: 10.11648/J.AJBLS.20200805.14
H. Mahmood, Ammara Waqar, S. Rana, M. Yaqoob, E. M. Qureshi, S. A. Gillani, A. Hanif, Awais Gohar
There is long debate on the proper functioning of senior citizens with relation to different factors which affect the physical exercise activity and cognitive functions in the senior citizens to perform their activities in daily life. Research had been carried out on relationship of physical exercise activity (recent and long term) to perform ADL and IADL. The objectives of the study are: To find out the composite score (z-scores) to check the executive functions of ADL and IADL. To find out the impact of recent and long term physical exercise activities and cognitive executive functions by using z-scores to measure the quality of life in male and female senior citizens. The results of our study show that the recent physical exercise activity does not improve the cognitive functions in the senior citizens through perform ADL and IADL. However long term physical exercise activity improve the cognitive functions in the senior citizens. the females who were having better physical exercise activity have better cognitive functions as compare to male with the same physical exercise activity. It has been found out that the physical exercise activities are important to be performed by the senior citizens to keep their cognitive executive functions intact. The senior citizens who are engaged in the physical exercise activities are less likely develop cognitive development in the old age. Physical exercise activities in the long term have great impact in maintaining the cognitive function in the senior citizens to perform ADL and IADL.
老年人的正常功能与影响老年人进行日常活动的体育锻炼活动和认知功能的各种因素有关,一直存在争议。研究了体育锻炼活动(近期和长期)与日常生活自理和日常生活自理的关系。本研究的目的是:找出ADL和IADL执行功能的综合评分(z-score)。采用z-score测量老年男女生活质量,探讨近期和长期体育锻炼活动对认知执行功能的影响。本研究结果表明,近期体育锻炼活动并没有通过进行日常生活自理和日常生活自理来改善老年人的认知功能。长期体育锻炼对老年人的认知功能有改善作用。体育锻炼强度高的女性在认知功能上要优于同样体育锻炼强度的男性。体育锻炼是老年人保持认知执行功能的重要手段。从事体育锻炼活动的老年人在老年期认知发展的可能性较小。长期的体育锻炼活动对维持老年人日常生活和日常生活的认知功能有很大的影响。
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引用次数: 1
Present Scenarios of Otomycosis in Rajshahi City of Bangladesh 孟加拉国拉杰沙希市耳真菌病的现状
Pub Date : 2020-09-10 DOI: 10.11648/J.AJBLS.20200805.13
K. K. Nipa, A. Kamal, M.J. Hossain, A. Imtiaj
In current study, an attempt was taken to investigate into the scenarios of otomycosis disease in Rajshahi metropolitan city of Bangladesh. There were 237 otomycosis patients found among 3875 ear patients during the studied period. Habit, habitat, life style, personal hygiene and food or nutritional status were found to be crucial factors which were largely responsible for the onset of otomycosis. Among 237 otomycosis patients, 125 and 112 sufferers were from rural and urban regions, respectively. In rural, male was more sufferer than female whereas, in urban, result was opposite to rural. Among 3 consecutive seasonal periods, the incidence of otomycosis patients was the highest in humid/rainy season (50.6%), intermediate level in winter season (35.4%) and the lowest level in dry seasons (14.0%). No significant variation was found between male (50.2%) and female (49.8%) patients for the onset of otomycosis. Age group was also potential for the onset of studied disease. The occurrences of over age (61 to above), baby (up to 10) and juvenile (11 to 20) group were 30.4%, 27.8% and 27.4%, respectively which were high. Whereas, the incidence was found to be low in early youth (5.1%) and late youth (9.3%) groups.
本研究试图调查孟加拉国拉杰沙希市耳真菌病的发病情况。3875例耳部患者中有237例耳真菌病。习惯、居住环境、生活方式、个人卫生、饮食或营养状况是导致耳真菌病发病的重要因素。237例耳真菌病患者中,农村125例,城市112例。在农村,男性比女性受感染更严重,而在城市,结果与农村相反。连续3个季节中,耳真菌病患者的发病率以湿/雨季最高(50.6%),冬季居中(35.4%),旱季最低(14.0%)。男性(50.2%)和女性(49.8%)在耳真菌病发病方面无显著差异。年龄组也是研究疾病发病的潜在因素。高龄者(61岁以上)、婴儿(10岁以下)和青少年(11岁至20岁)发生率分别为30.4%、27.8%和27.4%。然而,在青年早期(5.1%)和青年晚期(9.3%)组发病率较低。
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引用次数: 1
Investigation of Mechanism Activity of Antitumor and Radiosensitizing Activity of Preparations К-26 and K-26w К-26和K-26w制剂抗肿瘤活性及放射增敏活性的机制研究
Pub Date : 2020-09-07 DOI: 10.11648/J.AJBLS.20200805.12
A. Ibragimov, Zulfiya Makhmudovna Enikeeva, N. Agzamova, Faizullo Saifyllaevich Salihov, Okiljon Abduhalilovich Rahimov, Mavluda Askarova
Introduction. Tropolone alkaloid – colchicine, there is very interesting object for synthesis of its derivatives, with such properties as, alkylation, a low toxicity, high antineoplastic activity and especially overcoming of multidrug resistance (MDR). We had been developed the antineoplastic preparation К-26 derivative of colchicine. К-26 has shown high cytotoxic activity on 60 lines of tumoral cells of the human in vitro, at National Institute of the Cancer of the USA (NCI). Further on the basis of К-26 its water-soluble form named term К-26w has been received. The work purpose. Studying of the mechanism of action of preparations К-26 and К-26w on: alkylating ability, mitotic activity, topoisomerase II, MDR2, р53 and colony-forming cells spleen (CFCs). Materials and methods. All researches have been carrying out by a standard technique. Studying mitotic activity of preparations was carrying out on duodenum and tumor СаРа after preparation influence. On models of a tumor of the Sarcoma 180 action of preparations has been investigated: the alkylating - on synthesis DNA/RNA, nucleosoma DNA degradation, activity topoisomerase II; on an expression MDR2 and р53 genes. Studying CFCs carry out by a standard technique on outbred mice. Results. К-26, К-26w and etoposide inhibited in cells of the Sarcoma 180: synthesis DNA/RNA on 84/65%, 95/85% and 55/35%, accordingly, in relation to the control; activity topoisomerase II on 80%, 90% and 60% accordingly. By method RT-PCR it is shown, К-26, К-26w and etoposide: inhibited an expression of MDR2 gene on 83%, 91% and 62%; increase expression р53 gene to 74%, 88% and 55%, accordingly, under the relation of the control of referential gene GARDH (100%). High ability К-26 and К-26w in an induction apoptosis tumoral cells and CFCs to 12 units is shown. Conclusion. Revealed ability К-26 and К-26w to suppress synthesis DNA/RNA activity topoisomerases, to stimulate р53, and also to suppress an expression of a multidrug resistance MDR2 gene, it explains their high antineoplastic activity which is connected with mitotic activity leading to cell fission synchronization, and radiosensitization activity. Special interest represents found at К-26w and К-26 suppression MDR2 as they are aimed for treatment of such resistant tumor as a kidney cancer. Stimulation CFCs which provides formation of haemopoetic and immune cells can protect an organism from their intensive cytotoxic action.
介绍。Tropolone生物碱-秋水仙碱,其衍生物具有烷基化性好、毒性低、抗肿瘤活性高、抗多药耐药能力强等特点,是目前研究的热点。研制了秋水仙碱衍生物К-26抗肿瘤制剂。К-26在美国国家癌症研究所(NCI)对60种体外人类肿瘤细胞显示出高的细胞毒性活性。进一步在К-26的基础上,将其水溶性形式命名为К-26w。工作目的。研究制剂К-26和К-26w对烷基化能力、有丝分裂活性、拓扑异构酶II、MDR2、r53和集落形成细胞脾脏(CFCs)的作用机制。材料和方法。所有的研究都是用标准的技术进行的。研究制剂对十二指肠及肿瘤有丝分裂活性СаРа的影响。对180肉瘤肿瘤模型的作用进行了研究:烷基化-对DNA/RNA的合成,核小体DNA的降解,拓扑异构酶II的活性;表达MDR2和53基因。采用标准方法对异交小鼠进行氟氯化碳的研究。结果。К-26、К-26w和依托泊苷抑制了180肉瘤细胞的DNA/RNA合成,与对照组相比分别为84/65%、95/85%和55/35%;拓扑异构酶II的活性分别为80%、90%和60%。RT-PCR结果表明,К-26、К-26w和依托泊苷对MDR2基因表达的抑制作用分别为83%、91%和62%;在对照参比基因GARDH(100%)的关系下,相应增加了74%、88%和55%的基因表达量。高能力К-26和К-26w诱导凋亡肿瘤细胞和CFCs至12个单位。结论。发现К-26和К-26w能够抑制DNA/RNA活性拓扑异构酶的合成,刺激5353,并抑制多药耐药MDR2基因的表达,这解释了它们的高抗肿瘤活性,这与导致细胞裂变同步的有丝分裂活性和放射致敏活性有关。特别关注的是К-26w和К-26抑制MDR2,因为它们旨在治疗诸如肾癌等耐药肿瘤。刺激氯氟烃提供造血细胞和免疫细胞的形成,可以保护生物体免受其强烈的细胞毒性作用。
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引用次数: 2
Development of a Thin Layer Chromatography Method for Simultaneous Detection of Chloroquine, Azithromycin and Paracetamol in Counterfeit Tablets Used Against Covid-19 同时检测假药中氯喹、阿奇霉素和扑热息痛的薄层色谱方法的建立
Pub Date : 2020-08-31 DOI: 10.11648/J.AJBLS.20200805.11
F. Losa, Timothy Mavanga Mabaya, Jocelyn Mankulu Kakumba, Michael Tambwe Ngoyi, Floribert Balazirhe, M. Borive, Didi Mana Kialengila, Jeremiah Mbinze Kindenge
Corona Virus Disease 2019 (Covid-19) is an infectious disease manifested by fever, rate and difficulty in breathing that can lead to death. This pandemic has just paralyzed the world, causing more deaths amongst vulnerable people such as the elderly and people with immune problems. Several therapeutic agents are being tested for the treatment of Covid-19. The combination of Chloroquine, Azithromycin and Paracetamol is identified as a promising therapeutic candidate for Covid-19. To ensure the success of this therapy, medicines of high quality play a key role. Unfortunately, we are not totally spared from trafficking of poor quality pharmaceutical products. As a contribution to try solving this challenge, a convenient, rapid and simple Thin Layer Chromatography method (TLC), which permits the simultaneous determination of Chloroquine, Azithromycin and paracetamol has been developed. The Chromatographic separation was achieved on 60 F silica gel plate using a mixture of methanol-25% ammonia (100:1.5, v/v). Iodine vapor and ultraviolet light at 254 nm were used for the visualization of the spots. The developed method was successfully applied to determine Chloroquine in 23 samples supposed to contain Chloroquine marketed in DRC. The results showed that 50% of the samples analyzed were non-compliant and should probably contain paracetamol instead of Chloroquine. It suggested that the optimized method could be used for routine quality assessment of Chloroquine, Azithromycin or Paracetamol in pharmaceutical preparations. Since counterfeiting of medicines continues to be a real problem in developing countries as demonstrated by this result, the development of simple and convenient analytical method that allowed the rapid analysis of medicines used in Covid-19 therapy is more than urgent.
2019冠状病毒病(Covid-19)是一种传染性疾病,表现为发烧、发病率和呼吸困难,可导致死亡。这场大流行刚刚使世界陷入瘫痪,在老年人和有免疫问题的人等弱势群体中造成更多死亡。目前正在测试几种治疗Covid-19的药物。氯喹、阿奇霉素和扑热息痛的联合治疗被认为是治疗Covid-19的有希望的候选药物。为了确保这种治疗的成功,高质量的药物起着关键作用。不幸的是,我们并没有完全免受劣质药品贩运的影响。为解决这一难题,建立了一种方便、快速、简便的同时测定氯喹、阿奇霉素和扑热息痛的薄层色谱方法。采用甲醇-25%氨(100:1.5,v/v)的混合物,在60 F硅胶板上进行色谱分离。用碘蒸气和254 nm紫外光对斑点进行可视化。该方法已成功地应用于在刚果(金)市售的23份疑似氯喹样品中氯喹的测定。结果显示,经分析的样本中有50%不符合规定,可能含有扑热息痛而不是氯喹。该方法可用于制剂中氯喹、阿奇霉素、扑热息痛的常规质量评价。由于这一结果表明,假药在发展中国家仍然是一个现实问题,因此开发一种简单方便的分析方法,以便对Covid-19治疗中使用的药物进行快速分析,迫在眉睫。
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引用次数: 1
Expression of Integrin-linked Kinase in Gastric Cancer and Its Relationship with Clinicopathological Characteristics 整合素连接激酶在胃癌中的表达及其与临床病理特征的关系
Pub Date : 2020-08-25 DOI: 10.11648/j.ajbls.20200804.18
Jianzhang Hou, Yong Li
Objective: To explore the value of integrin-linked kinase (ILK) in the diagnosis of gastric cancer, its mechanism of action in the pathogenesis and its influence on tumor metastasis. Methods: Collect 100 cases of gastric cancer diagnosed pathologically, detect the positive expression of ILK, and analyze its biological characteristics. Results: The positive rate of ILK in gastric cancer tissue (57.0%) is significantly higher than that in the control group (12%), and the positive rate of ILK gradually increased with the progress of superficial gastritis, chronic atrophic gastritis with atypical hyperplasia and gastric cancer. The differences between the four groups are statistically significant. There is a significant difference in the positive rate of ILK among well-differentiated, moderately-differentiated, poorly-differentiated and undifferentiated adenocarcinomas (P<0.001). The positive rate (25%) of ILK in the uninvaded serosal layer (T1+T2) is significantly lower than the positive rate (75.0%) in the invaded serosal layer (T3+T4). There is a significant difference in the positive rate of ILK in stage I, II, III and IV (P<0.001). In the localized type (I+II), the positive rate of ILK (24.39%) is significantly lower than that of the invasive type (III+IV) (79.66%). The positive rate of ILK in patients without lymph node metastasis (30.23%) is significantly lower than that of patients with lymph node metastasis (77.19%). Conclusion: The positive rate of ILK in gastric cancer tissue is significantly higher than that in adjacent tissues. The higher the positive rate, the worse the prognosis. ILK is an independent risk factor affecting the prognosis of patients.
目的:探讨整合素连接激酶(integrin-linked kinase, ILK)在胃癌诊断中的价值、在胃癌发病中的作用机制及其对肿瘤转移的影响。方法:收集100例经病理诊断的胃癌患者,检测ILK阳性表达,并分析其生物学特性。结果:胃癌组织中ILK的阳性率(57.0%)显著高于对照组(12%),且随着浅表性胃炎、慢性萎缩性胃炎伴不典型增生和胃癌的进展,ILK的阳性率逐渐升高。四组间差异有统计学意义。ILK在高分化、中分化、低分化和未分化腺癌中的阳性率差异有统计学意义(P<0.001)。未浸润浆膜层(T1+T2) ILK阳性率(25%)明显低于浸润浆膜层(T3+T4)阳性率(75.0%)。ILK在I、II、III、IV期的阳性率差异有统计学意义(P<0.001)。局限性型(I+II型)ILK阳性率(24.39%)明显低于侵袭性型(III+IV型)(79.66%)。无淋巴结转移患者ILK阳性率(30.23%)明显低于有淋巴结转移患者(77.19%)。结论:胃癌组织中ILK的阳性率明显高于癌旁组织。阳性率越高,预后越差。ILK是影响患者预后的独立危险因素。
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引用次数: 0
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American Journal of Biomedical and Life Sciences
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