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1Detection of tumor stem cell markers in pancreatic carcinoma cell lines显示文摘BACKGROUND: Cancer of the pancreas is the fourth leading cause of cancer death in industrialized countries. In malignancy, actively proliferating cells may be effectively targeted and killed by anti-cancer therapies, but stem cells may survive and support re-growth of the tumor. Thus, new strategies for the treatment of cancer clearly will also have to target cancer stem cells. The goal of the present study was to determine whether pancreatic carcinoma cell growth may be driven by a subpopulation of cancer stem cells. Because previous data implicated ABCG2 and CD133 as stem cell markers in hematopoietic and neural stem/progenitor cells, we analyzed the expression of these two proteins in pancreatic carcinoma cell lines. METHODS: Five established pancreatic adenocarcinoma cell lines were analyzed. Total RNA was isolated and real- time RT-PCR was performed to determine the expression of ABCG2 and CD133. Surface expression of ABCG2 and CD133 was analyzed by flow cytometric analysis. RESULTS: All pancreatic carcinoma cell lines tested expressed significantly higher levels of ABCG2 than non-malignant fibroblasts or two other malignant non- pancreatic cell lines, i.e., SaOS2 osteosarcoma and SKOV3 ovarian cancer. Elevated CD133 expression was found in two out of five pancreatic carcinoma cell lines tested. Using flow cytometric analysis we confirmed surface expression of ABCG2 in all five lines. Yet, CD133 surface expression was detectable in the two cell lines, A818-6 and PancTu1, which exhibited higher mRNA levels.CONCLUSIONS: Two stem cell markers, ABCG2 and CD133 are expressed in pancreatic carcinoma cell lines. ABCG2 and/or CD133 positive cells may represent subpopulation of putative cancer stem cells also in this malignancy. Because cancer stem cells are thought to be responsible for tumor initiation and its recurrence after an initial response to chemotherapy, they may be a very promising target for new drug developments.Monika Olempska Patricia Alice Eisenach Ole Ammerpohl Hendrik Ungefroren Fred Fandrich Holger Kalthoff 2007Hepatobiliary & Pancreatic Diseases International2007,6,1:69
2aunalysis of the Genome Sequence of the Medicinal Plant Salvia miltiorrhiza显示文摘Haibin Xu Jingyuan Song Hongmei Luo Yujun Zhang Qiushi Li Yingjie Zhu Jiang Xu Ying Li Chi Song Bo Wang Wei Sun Guoan Shen Xin Zhang Jun Qian Aijia Ji Zhichao Xu Xiang Luo Liu He Chuyuan Li Chao Sun Haixia Yah Guanghong Cui Xiwen Li Xian 'en Li Jianhe Wei Juyan Liu Yitao Wang Alice Hayward David Nelson Zemin Ning Reuben J. Peters Xiaoquan Qi Shilin Chen 2016Molecular Plant2016,9,6:70
3癌症患者家庭照顾者的研究现状显示文摘根据WHO报道,2005年有760万人死于肿瘤。占全球死亡人数的13%,2005~2015年预计将有8400多万人死亡。70%以上肿瘤死亡者发生在低收入和中等收入国家,预计到2030年肿瘤死亡人数将超过1100万/年。近年来随着临床新治疗方法和手段的不断应用,癌症患者5年存活率已达到68%。随着癌症患者5年生存率的提高,癌症对家庭照顾者的影响越来越受到关注。李秋萍 Alice Yuen Loke 2012中华护理杂志2012,47,12:48
4Immunomodulatory properties of dental tissue-derived mesenchymal stem cells: Implication in disease and tissue regeneration显示文摘Mesenchymal stem cells(MSCs)are considered as an attractive tool for tissue regeneration and possess a strong immunomodulatory ability.Dental tissuederived MSCs can be isolated from different sources,such as the dental pulp,periodontal ligament,deciduous teeth,apical papilla,dental follicles and gingiva.According to numerous in vitro studies,the effect of dental MSCs on immune cells might depend on several factors,such as the experimental setting,MSC tissue source and type of immune cell preparation.Most studies have shown that the immunomodulatory activity of dental MSCs is strongly upregulated by activated immune cells.MSCs exert mostly immunosuppressive effects,leading to the dampening of immune cell activation.Thus,the reciprocal interaction between dental MSCs and immune cells represents an elegant mechanism that potentially contributes to tissue homeostasis and inflammatory disease progression.Although the immunomodulatory potential of dental MSCs has been extensively investigated in vitro,its role in vivo remains obscure.A few studies have reported that the MSCs isolated from inflamed dental tissues have a compromised immunomodulatory ability.Moreover,the expression of some immunomodulatory proteins is enhanced in periodontal disease and even shows some correlation with disease severity.MSC-based immunomodulation may play an essential role in the regeneration of different dental tissues.Therefore,immunomodulation-based strategies may be a very promising tool in regenerative dentistry.Oleh Andrukhov Christian Behm Alice Blufstein Xiaohui Rausch-Fan 2019World Journal of Stem Cells2019,11,9:21
5PARP inhibitors: its role in treatment of cancer显示文摘PARP is an important protein in DNA repair pathways especially the base excision repair (BER). BER is involved in DNA repair of single strand breaks (SSBs). If BER is impaired, inhibiting poly(ADP-ribose) polymerase (PARP), SSBs accumulate and become double stand breaks (DSBs). The cells with increasing number of DSBs become more dependent on other repair pathways, mainly the homologous recombination (HR) and the nonhomologous end joining. Patients with defective HR, like BRCA-deficient cell lines, are even more susceptible to impairment of the BER pathway. Inhibitors of PARP preferentially kill cancer cells in BRCA-mutation cancer cell lines over normal cells. Also, PARP inhibitors increase cytotoxicity by inhibiting repair in the presence of chemotherapies that induces SSBs. These two principles have been tested clinically. Over the last few years, excitement over this class of agents has escalated due to reported activity as single agent in BRCA1- or BRCA2-associated ovarian or breast cancers, and in combination with chemotherapy in triple negative breast cancer. This review covers the current results of clinical trials testing those two principles. It also evaluates future directions for the field of PARP inhibitor development.Alice Chen 2011Chinese Journal of Cancer2011,30,7:18
6到用结构化的问询表的口头的抗病毒的肝炎 B 治疗的坚持的评估显示文摘 AIM:To assess adherence rates to nucleos(t)ide analogues(NUCs) therapy in patients with chronic hepatitis B virus infection and determine factors associated with adherence.METHODS:The questionnaire study was conducted in the liver clinics at Concord Repatriation General Hospital.All patients who were currently taking one or more NUCs were asked to complete a structured,selfadministered 32-item questionnaire.Adherence was measured using visual analogue scales.The patient’s treating clinician was also asked to assess their patient’s adherence via a structured questionnaire.RESULTS:A total of 80 patients completed the questionnaire.Sixty six percent of the patients(n = 49) reported optimal adherence whilst 25(33.8%) graded their adherence to NUCs as suboptimal.Thirty four(43%) patients reported to have omitted taking their NUCs sometime in the past.Recent non-adherence was uncommon.Amongst the patients who reported skipping medications,the most common reason cited was 'forgetfulness'(n = 27,56.25%).Other common reasons included:ran out of medications(n = 5,10.42%),being too busy(n = 4,8.33%) and due to a change in daily routine(n = 5,10.42%).Patients who reported low adherence to other prescription pills were also more likely to miss taking NUCs(P = 0.04).Patients who were under the care of a language-discordant clinician were also more likely to report suboptimal adherence to NUCs(P = 0.04).CONCLUSION:Adherence rates were much less than that expected by the physician and has potential adverse affect on long term outcome.Communication and education appear central and strategies need to be implemented to improve ongoing adherence.Leesa Giang Christian P Selinger Alice Unah Lee 2012World Journal of Hepatology2012,4,2:16
7盲盒经济背后的心理学启示显示文摘当代年轻人的幸福常常难以被上一代人理解,盲盒可以算作其中之一。只是,很多人并不清楚,在购买盲盒时,他们到底在买什么?小菲是一位大学生,一次逛街时偶然发现了潮玩店泡泡玛特的Molly星座系列盲盒,12个不同装饰造型的金发娃娃Molly对应12星座,小菲精心挑选了一个,在期待中打开包装盒,“这种心情既忐忑又激动”。后来,小菲陆续买了许多Molly盲盒,从逛街到网上订购;从Molly、毕奇到白云宝宝,每一次拆盒,她总有一份莫名的小激动。除了自己买,小菲还喜欢上网看相关微博和拆盲盒视频,并加入了盲盒交流群,经常一起“养娃”“晒娃”,对盲盒的喜爱已经成为她日常生活的一部分。Alice 2020中国眼镜科技杂志2020,,7:16
8The versatile functions of Sox9 in development,stem cells,and human diseases显示文摘The transcription factor Sox9 was first discovered in patients with campomelic dysplasia,a haploinsufficiency disorder with skeletal deformities caused by dysregulation of Sox9 expression during chondrogenesis.Since then,its role as a cell fate determiner during embryonic development has been well characterized;Sox9 expression differentiates cells derived from all three germ layers into a large variety of specialized tissues and organs.However,recent data has shown that ectoderm-and endoderm-derived tissues continue to express Sox9 in mature organs and stem cell pools,suggesting its role in cell maintenance and specification during adult life.The versatility of Sox9 may be explained by a combination of posttranscriptional modifications,binding partners,and the tissue type in which it is expressed.Considering its importance during both development and adult life,it follows that dysregulation of Sox9 has been implicated in various congenital and acquired diseases,including fibrosis and cancer.This review provides a summary of the various roles of Sox9 in cell fate specification,stem cell biology,and related human diseases.Ultimately,understanding the mechanisms that regulate Sox9 will be crucial for developing effective therapies to treat disease caused by stem cell dysregulation or even reverse organ damage.Alice Jo Sahitya Denduluri Bosi Zhang Zhongliang Wang Liangjun Yin Zhengjian Yan Richard Kang Lewis L.Shi James Mok Michael J.Lee Rex C.Haydon 2014Genes & Diseases2014,1,2:16
9The global significance of biodiversity science in China: an overview显示文摘Biodiversity science in China has seen rapid growth over recent decades,ranging from baseline biodiversity studies to understanding the processes behind evolution across dynamic regions such as the Qinghai-Tibetan Plateau.We review research,including species catalogues;biodiversity monitoring;the origins,distributions,maintenance and threats to biodiversity;biodiversity-related ecosystem function and services;and species and ecosystems'responses to global change.Next,we identify priority topics and offer suggestions and priorities for future biodiversity research in China.These priorities include(i)the ecology and biogeography of the Qinghai-Tibetan Plateau and surrounding mountains,and that of subtropical and tropical forests across China;(ii)marine and inland aquatic biodiversity;and(iii)effective conservation and management to identify and maintain synergies between biodiversity and socio-economic development to fulfil China's vision for becoming an ecological civilization.In addition,we propose three future strategies:(i)translate advanced biodiversity science into practice for biodiversity conservation;(ii)strengthen capacity building and application of advanced technologies,including high-throughput sequencing,genomics and remote sensing;and(iii)strengthen and expand international collaborations.Based on the recent rapid progress of biodiversity research,China is well positioned to become a global leader in biodiversity research in the near future.Xiangcheng Mi Gang Feng Yibo Hu Jian Zhang Lei Chen Richard T.Corlett Alice C.Hughes Stuart Pimm Bernhard Schmid Suhua Shi Jens-Christian Svenning Keping Ma 2021National Science Review2021,8,7:16
10The Current Status of Physical Therapy in China显示文摘The current health system in China has evolved by embracing both traditional Chinese medicine and Western medicine. China is the only country in the world where the number of doctors is larger than the number of nurses but education programmes for other health professions like physical therapy have been slow to develop. In the case of physical therapy it was not until China won the bid for the Olympic Games that permission to establish the first physical therapy programme was granted. Since then China has undergone a period of rapid economic growth enabling many people to have a higher standard of living and improved health, but at the same time the country is faced with massive urbanization, industrialization, increasing environmental health threats, increased health disparities and an aging population. With the support of the Chinese Association of Rehabilitation Medicine, an increased investment by the Government in public health and rehabilitation and engagement of international education experts, entry-level education programmes for physical therapy have started to develop and there are now nine which are modeled, at least to some extent, on the World Confederation for Physical Therapy's international guidelines. The paper explores the development of physical therapy education in China and discusses possible options for the way forward so that as the demand for physical therapy to service 1.4 billion people grows, the profession is prepared and the standards expected of the entrylevel physical therapist will not be compromised.Alice Jones 2013中国康复医学杂志2013,28,6:15
11Cardiovascular autonomic neuropathy in diabetes:Pathophysiology,clinical assessment and implications显示文摘Cardiovascular autonomic neuropathy(CAN)is a debilitating condition that mainly occurs in long-standing type 2 diabetes patients but can manifest earlier,even before diabetes is diagnosed.CAN is a microvascular complication that results from lesions of the sympathetic and parasympathetic nerve fibers,which innervate the heart and blood vessels and promote alterations in cardiovascular autonomic control.The entire mechanism is still not elucidated,but several aspects of the pathophysiology of CAN have already been described,such as the production of advanced glycation end products,reactive oxygen species,nuclear factor kappa B,and pro-inflammatory cytokines.This microvascular complication is an important risk factor for silent myocardial ischemia,chronic kidney disease,myocardial dysfunction,major cardiovascular events,cardiac arrhythmias,and sudden death.It has also been suggested that,compared to other traditional cardiovascular risk factors,CAN progression may have a greater impact on cardiovascular disease development.However,CAN might be subclinical for several years,and a late diagnosis increases the mortality risk.The duration of the transition period from the subclinical to clinical stage remains unknown,but the progression of CAN is associated with a poor prognosis.Several tests can be used for CAN diagnosis,such as heart rate variability(HRV),cardiovascular autonomic reflex tests,and myocardial scintigraphy.Currently,it has already been described that CAN could be detected even during the subclinical stage through a reduction in HRV,which is a non-invasive test with a lower operating cost.Therefore,considering that diabetes mellitus is a global epidemic and that diabetic neuropathy is the most common chronic complication of diabetes,the early identification and treatment of CAN could be a key point to mitigate the morbidity and mortality associated with this long-lasting condition.Alice Duque Mauro Felippe Felix Mediano Andrea De Lorenzo Luiz Fernando Rodrigues Jr 2021World Journal of Diabetes2021,12,6:14
12人类与自然耦合系统显示文摘人类与自然系统不断地相互作用促使人类与自然耦合系统(CHANS)的形成与发展。近期的研究揭示了人类与自然耦合系统在组织、空间以及时间上耦合的复杂性。这些耦合在相互作用方面从直接演化到更间接;在联结方面从邻近演化到更远距离;在尺度上,从局部演化到全球;在模式和过程上,从简单演化到复杂。解开如相互影响和突发属性的复杂性,能够导致新的科学发现,并且对于开发生态和社会经济可持续性的有效政策是非常重要的。以解决关于人类与自然耦合系统的基本问题和迎接社会的空前挑战为目的的,真正整合不同学科的机会正显现出来。刘建国 Thomas Dietz Stephen R.Carpenter Carl Folke Marina Alberti Charles L.Redman Stephen H.Schneider Elinor Ostrom Alice N.Pell Jane Lubchenco William W.Taylor 欧阳志云 Peter Deadman Timothy Kratz William Provencher 张淑敏 2007AMBIO-人类环境杂志2007,36,B12:13
13Treatment responses in Asians and Caucasians with chronic hepatitis C infection显示文摘AIM:To conduct a multicentre retrospective review of virological response rates in Asians infected with genotype 1 chronic hepatitis C(CHC) treated with combination interferon and ribavirin and then to compare their responses to that among Caucasians.METHODS:Asian patients infected with genotype 1 CHC treated at 4 Australian centres between 2001 to 2005 were identified through hospital databases.Baseline demographic characteristics,biochemical,virological and histological data and details of treatment were collected.Sustained virological responses(SVR) in this cohort were then compared to that in Caucasian subjects,matched by genotype,age,gender and the stage of hepatic fibrosis.RESULTS:A total of 108 Asians with genotype 1 CHC were identified.The end of treatment response(ETR) for the cohort was 79% while the SVR was 67%.Due to the relatively advanced age of the Asian cohort,only sixty-four subjects could be matched with Caucasians.The ETR among matched Asians and Caucasians was 81% and 56% respectively(P=0.003),while the SVR rates were 73% and 36%(P <0.001) respectively.This difference remained significant after adjusting for other predictive variables.Kenneth K Yan Marianne Guirgis Amany Zekry Thuy Dinh Anouk Dev Jacob George Alice Lee 2008World Journal of Gastroenterology2008,14,21:12
14ISAR成像快速最小熵相位补偿方法显示文摘针对逆合成孔径雷达(ISAR)成像,该文提出一种快速运动补偿算法,该算法基于二维图像熵,并通过相位补偿的快速迭代,使图像熵逐渐达到最小,从而实现雷达像的自聚焦.实测数据处理结果表明,同现有方法相比,该方法不仅保证熵意义上的最佳聚焦效果,而且还具有较高收敛速度。邱晓晖 Heng Wang Cheng Alice Yeo Siew Yam 2004电子与信息学报2004,26,10:11
15Advances in laparoscopy for acute care surgery and trauma显示文摘The greatest advantages of laparoscopy when compared to open surgery include the faster recovery times, shorter hospital stays, decreased postoperative pain, earlier return to work and resumption of normal daily activity as well as cosmetic benefits. Laparoscopy today is considered the gold standard of care in the treatment of cholecystitis and appendicitis worldwide. Laparoscopy has even been adopted in colorectal surgery with good results. The technological improvements in this surgical field along with the development of modern techniques and the acquisition of specific laparoscopic skills have allowed for its utilization in operations with fully intracorporeal anastomoses. Further progress in laparoscopy has included single-incision laparoscopic surgery and natural orifice trans-luminal endoscopic surgery. Nevertheless, laparoscopy for emergency surgery is still considered challenging and is usually not recommended due to the lack of adequate experience in this area. The technical difficulties of operating in the presence of diffuse peritonitis or large purulent collections and diffuse adhesions are also given as reasons. However, the potential advantages of laparoscopy, both in terms of diagnosis and therapy, are clear. Major advantages may be observed in cases with diffuse peritonitis secondary to perforated peptic ulcers,for example, where laparoscopy allows the confirmation of the diagnosis, the identification of the position of the ulcer and a laparoscopic repair with effective peritoneal washout. Laparoscopy has also revolutionized the approach to complicated diverticulitis even when intestinal perforation is present. Many other emergency conditions can be effectively managed laparoscopically, including trauma in select hemodynamically-stable patients. We have therefore reviewed the most recent scientific literature on advances in laparoscopy for acute care surgery and trauma in order to demonstrate the current indications and outcomes associated with a laparoscopic approach to the treatment of the most common emergency surgical conditions.Matteo Mandrioli Kenji Inaba Alice Piccinini Andrea Biscardi Massimo Sartelli Ferdinando Agresta Fausto Catena Roberto Cirocchi Elio Jovine Gregorio Tugnoli Salomone Di Saverio 2016World Journal of Gastroenterology2016,22,2:11
16Virological course of hepatitis A virus as determined by real time RT-PCR: Correlation with biochemical, immunological and genotypic profiles显示文摘瞄准:承担肝炎 A 的分析,并且相关病毒的负担,丙氨酸 aminotransferase (中高音) ,和有病毒血的持续时间的病毒的遗传型有控制调停房间的免疫的 CD4 (+)/ CD8 (+) 淋巴细胞人口的这些参数。方法:房间计数用用荧光在乙二胺四乙酸小瓶收集的新鲜全血被执行激活的房间 sorter。肝炎 A 病毒(HAV ) RNA 从血浆液被提取,抄录进 cDNA 并且由实时聚合酶链反应确定了并且是 genotyped 的颠倒。结果:在 11 个病人之中, 10 能完全被分析。这些, 3 有严重尖锐肝炎(s -- 啊) 并且剩余物有自我限制尖锐肝炎 A (啊哈) ,在第 4 d 上与有暴发性的疾病(脑病等级 IV ) 的一个病人一起死。中高音水平在啊哈两个都是显著地更高的(1070.9 +/- 894.3;P = 0.0014 ) 并且 s -- 啊(1713.9 +/- 886.3;P = 0.001 ) 与正常控制相比(23.6 +/- 7.2 ) 。在 s 的前凝血酶时间 -- 啊病人(21.0 +/- 2.0;P = 0.02 ) 比在啊哈显著地高(14.3 +/- 1.1;P = 0.44 ) 。在啊哈病人的 CD4 (+)/CD8 (+) 比率(1.17 +/- 0.11;P = 0.22 ) 并且 s -- 啊(0.83 +/- 0.12;P = 0.0002 ) 比在正常健康控制(1.52 ) 看低。有的自我限制盒子达到顶点在分析的开始的病毒的负担当时在 s -- 啊病人这发生在第 15 或第 30 d。在敏锐、严格的组,一耐心的各个属于遗传型 IA,与仍然是 8 个盒子属于遗传型 IIIA。唯一的暴发性的肝的失败大小写属于遗传型 IA。在自我限制感染的全部功课期间收集的 HAV 病毒的负担和中高音价值直接为 s 被相关,但是这不是事实 -- 啊病人。结论:基于小规模的研究, s 的固执地更高的病毒的负担 -- 啊可能由于减少的细胞免疫和溶血。病毒血的持续时间依赖于主人,当病毒的遗传型没在 AVH 和 s 的临床的结果有明显的角色 -- 啊盒子。Zahid Hussain Bhudev C Das Syed A Husain Sunil K Polipalli Tanzeel Ahmed Nargis Begum Subhash Medhi Alice Verghese Mohammad Raish Apiradee Theamboonlers Yong Poovorawan Premashis Kar 2006World Journal of Gastroenterology2006,12,29:10
17The Dynamic Pollen Tube Cytoskeleton: Live Cell Studies Using Actin-Binding and Microtubule- Binding Reporter Proteins显示文摘花粉试管在雌蕊以内伸长为授精把精子房间搬运到胚胎囊。生长专门在试管顶发生,显示花粉试管延伸一个很戏剧的极的房间生长过程。一个特点花粉试管特征它的细胞骨架,它精心地包括被组织并且动态肌动朊微细丝和微导管。花粉试管生长依赖于肌动朊细胞骨架;它的组织和规定被各种各样的途径广泛地检验了,包括荧光灯在实时房间标记肌动朊绑定蛋白质的蛋白质学习。用以前描述的 GFP-NtADF1 和 GFP-LlADF1,并且新肌动朊记者蛋白质 NtPLIM2b-GFP,我们重申占优势的肌动朊在伸长组织烟草和百合花粉试管,这长,沿着花粉试管胫的流的肌动朊电报,和包括更短的肌动朊电报的接近顶点的结构。肌动朊微细丝的接近顶点的收集经历动态变化,产生从 basket-shaped,的结构的外观或塑造漏斗,对一枚微妙的戒指像网孔。NtPLIM2b-GFP 为 Rho GTPases 与一个 guanine 核苷酸交换因素在联合被使用, AtROP-GEF1,说明这些肌动朊记者蛋白质的使用探索在极的细胞生长过程和它的肌动朊细胞骨架之间的连接。与肌动朊细胞骨架相反,微导管看起来不在在被子植物花粉试管支持极的房间生长过程起一个直接作用。从 Arabidopsis AtEB1 基于微导管结束绑定蛋白质使用微导管记者蛋白质, GFP-AtEB1,我们证明广泛的微导管在伸长联网改变动力学的度的花粉试管显示器。这些记者蛋白质提供万用的工具探索在极的花粉试管生长过程的主要结构、发信号的部件之间的功能的连接。Alice Y. Cheung Qiao-hong Duan Silvia Santos Costa Barend H.J. de Graaf Veronica S. DiStilio Jose Feijo Hen-Ming Wu 2008Molecular Plant2008,1,4:10
18Dietary overlap of snow leopard and other carnivores in the Pamirs of Northwestern China显示文摘Information about competition between carnivore species for food within high altitude regions is limited.Data collected from the Taxkorgan Nature Reserve,China revealed important interactions between snow leopard(Panthera uncia),grey wolf(Canis lupus),red fox(Vulpes vulpes)and their prey species,including domestic livestock.Sixty-four line transects were conducted in order to identify field signs of habitat occupancy and collect scats for diet analysis.High dietary overlap was observed between all three carnivore species:snow leopard and red fox(Pianka’s index=0.96),red fox and grey wolf(Pianka’s index=0.90),snow leopard and grey wolf(Pianka’s index=0.87).Snow leopard and grey wolf showed significant predation on livestock(36.8%for snow leopard and 29.4%for grey wolf in diet composition).As a pioneering exploration of the endangered snow leopard and its relationship with other species within the alpine ecosystem under livestock grazing pressure,this study contributes a greater understanding of the relationship within carnivore guild in the Pamirs whilst providing implications for conservation planning and project implementation activities in China.Jun Wang Alice Laguardia Peter John Damerell Philip Riordan Kun Shi 2014Chinese Science Bulletin2014,59,25:8
19Developing a bacteriophage cocktail for biocontrol of potato bacterial wilt显示文摘Bacterial wilt is a devastating disease of potato and can cause an 80% production loss. To control wilt using bacteriophage therapy, we isolated and characterized twelve lytic bacteriophages from different water sources in Kenya and China. Based on the lytic curves of the phages with the pathogen Ralstonia solanacearum, one optimal bacteriophage cocktail, P1, containing six phage isolations was formulated and used for studying wilt prevention and treatment efficiency in potato plants growing in pots. The preliminary tests showed that the phage cocktail was very effective in preventing potato bacterial wilt by injection of the phages into the plants or decontamination of sterilized soil spiked with R. solanacearum. Eighty percent of potato plants could be protected from the bacterial wilt(caused by R. solanacearum reference strain GIM1.74 and field isolates), and the P1 cocktail could kill 98% of live bacteria spiked in the sterilized soil at one week after spraying.However, the treatment efficiencies of P1 depended on the timing of application of the phages, the susceptibility of the plants to the bacterial wilt, as well as the virulence of the bacteria infected,suggesting that it is important to apply the phage therapy as soon as possible once there are early signs of the bacterial wilt. These results provide the basis for the development of bacteriophagebased biocontrol of potato bacterial wilt as an alternative to the use of antibiotics.Cuihua Wei Junli Liu Alice Nyarnbura Maina Francis B Mwaura Junping Yu Chenghui Yan Ruofang Zhang Hongping Wei 2017Virologica Sinica2017,32,6:8
20Can fecal microbiota transplantation cure irritable bowel syndrome?显示文摘AIM To verify the utility of treatment with fecal microbiota transplantation(FMT) in patients with irritable bowel syndrome(IBS).METHODS We searched EMBASE, Cochrane Library and Pub Med in March, 2017. The reviewed literature was based on two systematic searches in each of the databases. The Me SH terms used were IBS and fecal microbiota transplantation and the abbreviations IBS and FMT. Reference lists from the articles were reviewed to identify additional pertinent articles. RESULTS A total of six conference abstracts, one case report, one letter to the editor, and one clinical review were included. In the final analysis, treatment of 48 patients was evaluated. Treatment revealed an improvement in 58% of cases. The varying structure of the nine included studies must be taken into consideration.CONCLUSION Data on FMT and IBS are too limited to draw sufficientconclusions. Standardized double blinded randomized clinical trials need to be carried out to evaluate the effect of FMT on IBS.Sofie Ingdam Halkjar Anders Watt Boolsen Stig Günther Alice Hojer Christensen Andreas Munk Petersen 2017World Journal of Gastroenterology2017,23,22:8
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