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Synthesis and Medicinal Significance of Chalcones- A Review 查尔酮的合成及药用意义综述
Pub Date : 2016-05-31 DOI: 10.15272/AJBPS.V6I56.814
Chavan Bb, Gadekar As, Mehta Pp, P. Vawhal, Kolsure Ak, Chabukswar Ar
Chalcone is an aromatic ketone that forms a central core for a variety of important biological compounds, which are collectively known as chalcones. They possess different activities like antibacterial, antifungal, anti-inflammatory and anti tumor etc depending on the substitution made on them. Chalcones are 1,3-diphenyl-2-propene-1-one, in which two aromatic rings are linked by a three carbon α, β-unsaturated carbonyl system.These are abundant in edible plants and are considered to be precursors of flavonoids and isoflavonoids. Chalcones possess conjugated double bonds and a completely delocalized Π-electron system on both benzene rings. Molecules possessing such system have relatively low redox potentials and have a greater probability of undergoing electron transfer reactions. The compounds with the backbone of chalcones have been reported to possess various biological activities such as antimicrobial, anti-inflammatory, analgesic, anti platelet, anti ulcerative, anti malarial, anticancer, antiviral, anti leishmanial, antioxidant, anti tubercular, anti hyperglycemic, immunomodulatory, inhibition of chemical mediators release, inhibition of leukotriene B4, inhibition of tyrosinase and inhibition of aldose reductase activities. The presence of a reactive alpha, beta -unsatutated keto function in chalcones is found to be responsible for their antimicrobial activity. In this paper through reviewing different biological significance of chalcones and their derivatives have been reported along with their chemistry and of synthesis. Synthetically or chemically chalcones are synthesized by two reactions: a) Aldol condensation and b) Claisen Schmidt condensation. But here is a focus on chalcones synthesized by Claisen Schmidt condensation which involves the condensation between an aromatic aldehyde or ketone with an aliphatic ketone or aldehyde catalysed by the presence of dilute alkali or acid to form alpha beta unsaturated compound.
查尔酮是一种芳香酮,它构成了多种重要生物化合物的核心,这些化合物统称为查尔酮。它们具有不同的抗菌、抗真菌、抗炎、抗肿瘤等活性,这取决于它们的替代作用。查尔酮是1,3-二苯基-2-丙烯-1- 1,其中两个芳香环由三碳α, β-不饱和羰基体系连接。它们在可食用植物中含量丰富,被认为是类黄酮和异黄酮的前体。查尔酮在两个苯环上具有共轭双键和完全离域Π-electron体系。具有这种体系的分子具有相对较低的氧化还原电位,并且具有较大的发生电子转移反应的概率。以查尔酮为骨架的化合物具有抗菌、抗炎、镇痛、抗血小板、抗溃疡、抗疟疾、抗癌、抗病毒、抗利什曼原虫、抗氧化、抗结核、抗高血糖、免疫调节、抑制化学介质释放、抑制白三烯B4、抑制酪氨酸酶和醛糖还原酶活性等多种生物活性。在查尔酮中存在的反应性α, β -不饱和酮功能被发现是其抗菌活性的原因。本文综述了查尔酮及其衍生物的不同生物学意义以及它们的化学性质和合成方法。人工合成或化学合成查尔酮有两个反应:a) Aldol缩合和b) Claisen Schmidt缩合。但这里重点讲的是用Claisen Schmidt缩合法合成的查尔酮它是芳香族醛或酮与脂肪族酮或醛在稀碱或稀酸的催化下缩合形成不饱和化合物。
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引用次数: 45
Effect of Spirulina platensis as dietary Supplement on Some Biological Traits for Chickensunder Heat Stress Condition 饲粮中添加螺旋藻对热应激条件下鸡部分生物学性状的影响
Pub Date : 2016-05-31 DOI: 10.15272/AJBPS.V6I56.813
H. Zeweil, Abaza Im, S. Zahran, M. Ahmed, M. Haiam, Asmaa As
This work was performed to investigate the effect of Spirulina platensis levels and vitamin E under heat stress on the performance, some physiological and blood biochemical constituents, antioxidant and immune responses traits of growing chickens. A total of 150 male Gimmizah local strain chicks (4 weeks of age) were randomly distributed among five treatment groups in battery brooder placed in a temperature-controlled room until 14 weeks of age. The first treatment was fed the basal diet only without any supplementation and kept in the first sector under optimum temperature 22-24oC and relative humidity (RH) 45-55 % (normal) used as negative control. Whereas, the other four treatments were kept in the last sector under chronic heat stress condition (38°C±1; 55-65 % RH) for three successive days a week from 11.00 am until 15.00 pm. The first heat stress group was fed the basal diet only without any supplementation and used as positive control (PC). Whereas in the other three treatments were fed the basal diet supplemented with Spirulina platensis at levels (0.5 and 1 g/kg diet) and vitamin E (75 mg/kg diet). The results indicated that different supplementations as Spirulina and VE decreased adverse effect of heat stress on growth performance and blood total protein, albumin, globulin, createinin, ALT, AST, total lipids, LDL, WBCs, RBCs, immunity of Chickens. In conclusion, addition of Spirulina platensis improved growth performance, immunity and can be decreased adverse effect stress on chickens under heat stress condition.
本试验旨在研究热应激条件下螺旋藻和维生素E水平对生长鸡生产性能、部分生理和血液生化成分、抗氧化和免疫反应性状的影响。选取150只4周龄的雄性吉米沙地方品种雏鸡,随机分为5个处理组,放置在温控室内的笼式育雏箱内,饲养至14周龄。第1组饲喂基础饲粮,不添加任何添加物,在第1区以最适温度22 ~ 24℃、相对湿度45 ~ 55%(正常)为阴性对照。其余4个处理均处于慢性热应激状态(38°C±1;55- 65% RH),每周连续三天,从上午11点至下午15点。第一热应激组饲喂基础饲粮,不添加任何添加物,作为阳性对照(PC)。其余3个处理分别在基础饲粮中添加0.5和1 g/kg水平的螺旋藻和75 mg/kg水平的维生素E。结果表明,添加螺旋藻和VE可降低热应激对鸡生长性能和血液总蛋白、白蛋白、球蛋白、球蛋白、谷丙转氨酶、谷丙转氨酶、总脂、低密度脂蛋白、白细胞、红细胞和免疫力的不利影响。综上所述,在热应激条件下,添加螺旋藻可提高鸡的生长性能,提高鸡免疫力,减轻应激对鸡的不利影响。
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引用次数: 24
Assessment of Relationship between Streptococcus mutans, Dental Caries and TGF-β 变形链球菌、龋齿与TGF-β关系的研究
Pub Date : 2016-05-31 DOI: 10.15272/ajbps.v6i56.817
Hossein Eslami, A. Zarandi, F. Pouralibaba, Vahid Fakhrzadeh, Parisa Falsafi, Roya Rezaii Sepas
Streptococcus mutans is an important species in oral microflora and its components have been found to stimulate production of cytokines in dental caries.  The aim of this study was to evaluate TGF-β in patients with S. mutans.Seventy samples were selected during pulpectomy and investigated for the presence of TGF-β by ELISA. The results were analyzed by t-test (α = 0.05). The results showed higher mean concentrations of TGF-β in inflamed pulpal tissues in subjects with dental caries associated with S. mutans, compared with intact pulpal tissue samples; these higher means were statistically significant in all cases (P < 0.05). The results of this study suggested relations between the production of TGF-β in dental caries caused by S. mutans .
变形链球菌是口腔菌群中的一个重要种类,其成分已被发现可刺激龋病细胞因子的产生。本研究的目的是评估变形链球菌患者的TGF-β。在取髓过程中选取70个样本,用ELISA法检测TGF-β的存在。结果采用t检验(α = 0.05)。结果显示,与完整的牙髓组织样本相比,变形链球菌相关的龋齿受试者炎症牙髓组织中TGF-β的平均浓度更高;这些较高的平均值在所有病例中均有统计学意义(P < 0.05)。本研究结果提示变形链球菌引起的龋齿中TGF-β的产生与
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引用次数: 1
Assessment of First Trimester Vaginal Bleeding Using Ultrasound Sonography 孕早期阴道出血的超声评估
Pub Date : 2016-05-07 DOI: 10.15272/ajbps.v6i57.843
Kalyani Singh
Vaginal bleeding during the first trimester has been estimated to occur in 16% of all pregnant women, while the frequency of spontaneous abortion is traditionally estimated as 10-20%. The clinical approach though helpful is of limited value. Despite the latest technological developments and laboratory diagnosis the desired goal of early recognition is not achieved.The objective of the study to evaluate role of ultrasound in patients with first trimester vaginal bleeding. Hospital based study. A total of 100 cases presented with complaint of bleeding per vaginum during first trimester, were enrolled for study. Ultrasonographic examinations were done per abdominally by using ultrasound equipment.The data showed that it is the common problem in 20-30 age pregnant womens. In the present study various types of abortions constituted the commonest cause of first trimester bleeding. All cases the cases were diagnosed correctly on ultrasonography with 100% sensitivity and accuracy and managed appropriately. So ultrasound helped in establishing correct diagnosis timey and decides the line of management. Keywords: First trimester bleeding, Ultrasound examination, Clinical examination, Vaginal bleeding.
据估计,16%的孕妇在妊娠早期出现阴道出血,而自然流产的频率传统上估计为10-20%。临床方法虽然有帮助,但价值有限。尽管最新的技术发展和实验室诊断,早期识别的预期目标没有实现。本研究的目的是评价超声在妊娠早期阴道出血中的作用。基于医院的研究。本研究共收集了100例在妊娠早期出现阴道出血的病例。利用超声设备对患者进行腹部超声检查。数据显示,这是20-30岁孕妇的常见问题。在目前的研究中,各种类型的流产构成了妊娠早期出血的最常见原因。所有病例超声诊断正确,灵敏度和准确率均为100%,处理得当。因此,超声有助于建立正确的诊断,及时确定治疗路线。关键词:妊娠早期出血,超声检查,临床检查,阴道出血。
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引用次数: 7
Goiter Prevalence in Children in North India Region 印度北部地区儿童甲状腺肿大患病率
Pub Date : 2016-05-03 DOI: 10.15272/AJBPS.V6I53.794
R. Kumari
Goiter is denotes to the abnormal development of the thyroid gland. The insufficient intake of the Iodine may lead to the Goiter. Iodine deficiency is a lack of the trace element iodine. It may result in goiter (so-called endemic goiter), as well as cretinism, which results in developmental delays and other health problems. Iodine deficiency is an important public health issue as it is a preventable cause of intellectual disability. The goiter survey was done in the rural area of the North Indian district. In the study the primary schools were selected to get the proposed goiter population for the study. The school children’s between the age of 5-12 years were included from the schools. All the enrolled patients were clinically examined for the goiter i.e. development of the thyroid. The age & the sex of the students were also noted. In the summary that the present data showed that the prevalence of the goiter in the age group of the 5-13 in the rural area of the north India. There is need to implement the ban on the non iodized salt in the area. Also the efforts must be taken to improve awareness regarding the use of Iodized salt to avoid the Goiter.
甲状腺肿是指甲状腺发育异常。碘的摄入不足可能导致甲状腺肿。缺碘是指缺乏微量元素碘。它可能导致甲状腺肿(所谓的地方性甲状腺肿),以及导致发育迟缓和其他健康问题的cretinism。缺碘是一个重要的公共卫生问题,因为它是一种可预防的智力残疾原因。这项甲状腺肿调查是在北印度地区的农村地区进行的。在这项研究中,小学被选为研究建议的甲状腺肿人群。年龄在5-12岁之间的学龄儿童被纳入学校。所有入组的患者都进行了甲状腺肿的临床检查,即甲状腺的发展。学生的年龄和性别也被记录了下来。综上所述,目前的数据表明,甲状腺肿的患病率在5-13岁年龄组在印度北部农村地区。有必要在这个地区实施非碘盐的禁令。此外,必须努力提高人们对碘盐使用的认识,以避免甲状腺肿。
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引用次数: 2
Monitoring of Zinc in Liver Cirrhosis Patients 肝硬化患者锌的监测
Pub Date : 2016-05-03 DOI: 10.15272/AJBPS.V6I53.791
P. Ck, E. Jc
In the Cirrhosis healthy liver tissue is changed with scar tissue. The blood flow is affected through the liver. This is responsible for the decrease circulation of nutrients, hormones, drugs, and naturally produced toxins. Zinc is a micronutrient that plays an important role in the function of liver. Significant decrease in zinc levels were observed in liver cirrhosis patients. The study was conducted in 30 liver cirrhotic patients. The blood samples were obtained from the patients. The samples were then sent to the pathological findings of zinc. The zinc estimation was done using Atomic Absorption Spectrophotometer. The revealed that there is lower the zinc level in the liver cirrohotic patients. This work is an attempt to understand the important role that the zinc plays in the pathogenesis and therapy of liver cirrhosis.
在肝硬化中,健康的肝组织被瘢痕组织改变。血液流经肝脏受到影响。这是导致营养物质、激素、药物和自然产生的毒素循环减少的原因。锌是一种对肝脏功能起重要作用的微量营养素。肝硬化患者锌水平明显下降。该研究在30例肝硬化患者中进行。从患者身上采集血样。然后将样品送去病理发现的锌。用原子吸收分光光度法测定锌含量。结果表明,肝硬化患者体内锌含量较低。本研究旨在了解锌在肝硬化发病机制和治疗中的重要作用。
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引用次数: 1
Eye Donation Awareness among the Students 学生的捐眼意识
Pub Date : 2016-05-03 DOI: 10.15272/AJBPS.V6I53.793
R. Kumari
Blindness is a worldwide problem. Corneal blindness accounts for 0.9%of blindness in India. Approximately 0.12 million people are corneal blind. Restoration of their vision is possible only through transplantation. Though 45000 eyes are collected every year, it does not meet half the requirement. Well informed medical students could be expected to enhance eye donation rates. To study the awareness of the patient about the eye donation is assessed. This cross-sectional type of study was conducted in 200 Life sciences students. All the required information was collected on pretested, semi-structured questionnaire. All the students know that eye can be donated. 170 students tell that there is no age limit for eye donation. ‘Eyes can be removed from living peoples’ this answer is told by 185 students. 155 students told that consent of family is not required for the pledging. 170 students told that there is shortage of donors in India. The results of the study indicate that although awareness regarding eye donation is high, there is lack of motivation related to eye donation.
失明是一个世界性的问题。在印度,角膜失明占失明人数的0.9%。大约有12万人患有角膜失明。他们的视力只有通过移植才能恢复。虽然每年收集45,000只眼睛,但还不到需求的一半。见多识广的医学生有望提高眼部捐赠率。评估患者对眼部捐赠的认知情况。这项横断面研究在200名生命科学专业的学生中进行。所有需要的信息都收集在预测试的半结构化问卷上。所有的学生都知道眼睛是可以捐赠的。170名学生表示,眼部捐赠没有年龄限制。185名学生给出了“眼睛可以从活人身上移开”的答案。155名学生被告知,入会不需要家人的同意。170名学生被告知,印度缺乏捐赠者。研究结果表明,虽然对眼部捐赠的意识很高,但缺乏与眼部捐赠相关的动机。
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引用次数: 8
Study of acute phase proteins in liver disease 肝病急性期蛋白的研究
Pub Date : 2016-05-03 DOI: 10.15272/AJBPS.V6I53.792
ey Cj, P. Ck
Acute-phase proteins are a class of proteins whose plasma concentrations increase (positive acute-phase proteins) or decrease (negative acute-phase proteins) in response to inflammation. Hence the present study was conducted to evaluate the levels of the acute phase proteins in the normal healthy group & the liver diseases patient. The 40 liver diseases patients were enrolled in to the study. All the patients are informed consents. The liver diseases include the liver cirrohosis, jaundice, infective hepatitis. The age group of the patients are from 20-50 years. 20 normal healthy groups were also selected as control to study the levels of acute phase proteins in them. Ceruloplasmin and Serum transferrin is estimated from the pathological findings. From the above study it can be concluded that the acute phase proteins in liver disorders plays important role. The increases level of the ceruloplasmin and transferrin shows the liver disorders.
急性期蛋白是一类在炎症反应中血浆浓度升高(阳性急性期蛋白)或降低(阴性急性期蛋白)的蛋白。因此,本研究对正常健康人及肝病患者急性期蛋白水平进行了评价。40名肝病患者参加了这项研究。所有的病人都是知情同意的。肝脏疾病包括肝硬化、黄疸、感染性肝炎。患者年龄在20-50岁之间。选取正常健康组20例作为对照,研究急性期蛋白水平。铜蓝蛋白和血清转铁蛋白由病理结果估计。由此可见,急性期蛋白在肝脏疾病中起着重要的作用。铜蓝蛋白和转铁蛋白水平升高表明肝脏功能紊乱。
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引用次数: 1
Profile of gross congenital malformations among live newborns and its associated risk factors from a tertiary care rural teaching institute. 农村三级保健教学机构新生儿先天性畸形概况及其相关危险因素
Pub Date : 2016-04-30 DOI: 10.15272/ajbps.v6i55.811
A. Marwah
Objective: To study the profile of gross congenital malformations among live newborns and its associated risk factors. Material and methods: All the babies born in this hospital (live births) during January 2014 to December 2014 formed the baseline population and those with congenital malformations were included in the study. Antenatal records were assessed and mothers were interviewed for socio-demographic variables. Study design: Cross- sectional, descriptive. Results: There were 6143 live births out of which 109 had gross congenital malformations giving an incidence of 1.7%. Central nervous system was most commonly affected (48%) followed by musculoskeletal (28%) and gastrointestinal system (13%). Incidence of congenital malformations was more among multipara females, preterm and low birth weight babies. Conclusion: A relative increase in the incidence of congenital malformations once again implies the importance of public health education and regular antenatal screening. We also, strongly recommend mandatory screening of all newborns by pediatrician after birth for timely detection and best possible treatment of these congenital malformations. Keywords: congenital malformation, newborn, live birth, antenatal, genetic.
目的:探讨新生儿先天性先天性畸形的发病特点及相关危险因素。材料与方法:2014年1月至2014年12月在该院出生的所有婴儿(活产)为基线人群,并纳入有先天性畸形的婴儿。评估了产前记录,并对母亲进行了社会人口变量访谈。研究设计:横断面,描述性。结果:新生儿6143例,先天性畸形109例,先天性畸形发生率为1.7%。中枢神经系统最常受影响(48%),其次是肌肉骨骼(28%)和胃肠道系统(13%)。先天性畸形发生率以多产女性、早产儿和低出生体重儿高。结论:先天性畸形发生率的相对增加再次表明公共卫生教育和定期产前筛查的重要性。同时,我们强烈建议儿科医生在新生儿出生后对所有新生儿进行强制性筛查,以便及时发现并尽可能地治疗这些先天性畸形。关键词:先天性畸形,新生儿,活产,产前,遗传。
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引用次数: 3
Investigation on Learning and Memory Enhancing activity of Essential Oil inAlbizia julibrissin Flowers in Experimental Mice 合欢花挥发油对小鼠学习记忆增强作用的研究
Pub Date : 2016-04-25 DOI: 10.15272/AJBPS.V6I55.809
K. Dhanya, S. Satish, K. Hegde, A. Shabaraya
Two doses (100 mg/kg and 200 mg/kg p.o) of the Albizia julibrissin essential oil (AJEO) were subjected for the evaluation of learning and memory enhancing activity against amnesia induced by scopolamine (0.4mg/kg, i.p) in young mice. Piracetam (400 mg/kg i.p) was served as standard in both the models. Biochemical parameter like Anticholinesterase activity was evaluated. Both the lower (100mg/kg) and higher dose (200mg/kg) of AJEO has shown dose dependent significant decrease in Transfer latency (TL) by EPM and decrease in AChE activity in brain estimation which in terms indicate improved learning and memory when compared with scopolamine group. Sub-acute treatment (long term) was more significant than acute treatment (short term) on learning and memory enhancing activity.
研究了两种剂量(100 mg/kg和200 mg/kg p.o)合欢精油(AJEO)对东莨菪碱(0.4mg/kg, i.p)诱导的幼年小鼠学习记忆增强活性的影响。两种模型均以吡拉西坦(400mg /kg i.p)为标准。测定了抗胆碱酯酶活性等生化指标。AJEO低剂量组(100mg/kg)和高剂量组(200mg/kg)与东莨菪碱组相比,EPM传递潜伏期(TL)和脑内AChE活性均呈剂量依赖性显著降低,表明学习和记忆能力得到改善。亚急性治疗(长期)比急性治疗(短期)对学习和记忆的增强活性更显著。
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引用次数: 6
期刊
Asian Journal of Biomedical and Pharmaceutical Sciences
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