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Artemisia annua

Zhibin Wu, Fei Ling, Chenguang Song, Weichao Chen, Gaoxue Wang
Since the use of malachite green was banned, it is desirable to search for alternative drug to control Ichthyophthirius multifiliis infection. Moreover, route of administration which is easy to implement and less stressful to fish is important to treat infection of fish with this parasite. It is also important to enhance protective effect against Aeromonas hydrophila infection after parasitism by I. multifiliis. The present study evaluated the protective effect of diet supplemented with Artemisia annua against I...
October 10, 2016: Parasitology Research
Cristina Rostkowska, Caroline M Mota, Taísa C Oliveira, Fernanda M Santiago, Lilian A Oliveira, Gaspar H Korndörfer, Regina M Q Lana, Monica L Rossi, Neusa L Nogueira, Xavier Simonnet, Tiago W P Mineo, Deise A O Silva, José R Mineo
Artemisia annua is used as a source of artemisinin, a potent therapeutic agent used for the treatment of infectious diseases, chiefly malaria. However, the low concentration (from 0.01 to 1.4% of dried leaf matter) of artemisinin in the plant obtained with the traditional cropping system makes it a relatively expensive drug, especially in developing countries. Considering that artemisinin and silicon (Si) are both stored in A. annua glandular trichomes, and that Si accumulation has never been investigated, this study aimed to look into Si effects on A...
2016: Frontiers in Plant Science
H Liu, G G Wu, J B Wang, X Wu, L Bai, W Jiang, B B Lv, A H Pan, J W Jia, P Li, K Zhao, L X Jiang, X M Tang
The anti-malarial drug, artemisinin, is quite expensive as a result of its slow content in Artemisia annua. Recent investigations have suggested that genetic engineering of A. annua is a promising approach to improve the yield of artemisinin. In this study, the transgenic A. annua strain GYR, which has high artemisinin content, was evaluated in an environmental release trial. First, GYR plants were compared with the wild-type variety NON-GYR, with regard to phenotypic characters (plant height, crown width, stem diameter, germination rate, leaf dry weight, 1000-seed weight, leave shape)...
August 26, 2016: Genetics and Molecular Research: GMR
Ming Song, Jingjian Li, Chao Xiong, Hexia Liu, Junsong Liang
Many members of the genus Artemisia are important for medicinal purposes with multiple pharmacological properties. Often, these herbal plants sold on the markets are in processed forms so it is difficult to authenticate. Routine testing and identification of these herbal materials should be performed to ensure that the raw materials used in pharmaceutical products are suitable for their intended use. In this study, five commonly used Artemisia species included Artemisia argyi, Artemisia annua, Artemisia lavandulaefolia, Artemisia indica, and Artemisia atrovirens were analyzed using high resolution melting (HRM) analysis based on the internal transcribed spacer 2 (ITS2) sequences...
October 4, 2016: Scientific Reports
Tingxiang Yan, Minghui Chen, Qian Shen, Ling Li, Xueqing Fu, Qifang Pan, Yueli Tang, Pu Shi, Zongyou Lv, Weimin Jiang, Ya-Nan Ma, Xiaolong Hao, Xiaofen Sun, Kexuan Tang
Glandular trichomes are generally considered biofactories that produce valuable chemicals. Increasing glandular trichome density is a very suitable way to improve the productivity of these valuable metabolites, but little is known about the regulation of glandular trichome formation. Phytohormone jasmonate (JA) promotes glandular trichome initiation in various plants, but its mechanism is also unknown. By searching transcription factors regulated by JA in Artemisia annua, we identified a novel homeodomain-leucine zipper transcription factor, HOMEODOMAIN PROTEIN 1 (AaHD1), which positively controls both glandular and nonglandular trichome initiations...
September 23, 2016: New Phytologist
Rosine D K Chougouo, Yves M M Nguekeu, Jean P Dzoyem, Maurice D Awouafack, Jonas Kouamouo, Pierre Tane, Lyndy J McGaw, Jacobus N Eloff
BACKGROUND: Natural products, including those derived from higher plants have, over the years, contributed greatly to the development of modern therapeutic drugs. Due to the medicinal importance in traditional practice and the diversified biology and chemistry of the constituents from Artemisia spp., the genus has been receiving growing attention. The aim of this study was to investigate the ability of the ethanol extract, four fractions (F1-F4) and five compounds namely artemisinin (1), scopoletin (2), chrysosplenetin (3), eupatin (4) and 3-O-β-d-glucopyranoside of sitosterol (5) isolated from A...
2016: SpringerPlus
Fangyuan Zhang, Xueqing Fu, Zongyou Lv, Qian Shen, Tingxian Yan, Weimin Jiang, Guofeng Wang, Xiaofen Sun, Kexuan Tang
[This corrects the article DOI: 10.1155/2014/521794.].
2016: BioMed Research International
X L Wan, Z H Song, Y Niu, K Cheng, J F Zhang, H Ahmad, L L Zhang, T Wang
An experiment was conducted to evaluate the effects of including enzymatically treated Artemisia annua L. (EA) in broiler diets on growth performance, meat quality, and oxidative stability of breast and thigh muscles. A total of 256 one-d-old Arbor Acres broiler chicks were randomly allotted into four groups with eight replicates of eight birds each. Broilers in the four groups were offered basal diet supplemented with 0.0, 0.5, 1.0, and 1.5 g/kg EA during the 42-d experiment, respectively. The ADG, ADFI, and feed/gain ratio (F:G) were measured at 42 d of age...
September 8, 2016: Poultry Science
Geyu Liu, Huixia Ning, Nurbolati Ayidaerhan, Haji Akber Aisa
Because of the very similar morphologies and wide diversity of Artemisia L. varieties, they are difficult to identify, and there have been many arguments about the systematic classification Artemisia L., especially concerning the division of species. DNA barcode technology is used to rapidly identify species based on standard short DNA sequences. To evaluate seven candidate DNA barcodes (ITS, ITS2, psbA-trnH, rbcL, matK, rpoB, and rpoC1) regarding their ability to identify closely related species of the Artemisia genus in Xinjiang...
September 8, 2016: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
Chen Cheng, Feifei Du, Ke Yu, Fang Xu, Fengqing Wang, Li Li, Olajide E Olaleye, Junling Yang, Feng Chen, Chenchun Zhong, Qiongwei Liu, Jing Li, Zhenzhong Wang, Chuan Li, Wei Xiao
ReDuNing injection, prepared from a combination of Gardenia Jasminoides fruits, Lonicera japonica flower buds, and the Artemisia annua aerial part, is extensively used for treatment of viral upper respiratory tract infections in China. Iridoids, organic acids, and flavonoids are likely important compounds of the herbal injection because of their reported pharmacological properties. This study was designed to characterize pharmacokinetics and disposition of the major circulating herbal compounds in rats that received the injection intravenously...
November 2016: Drug Metabolism and Disposition: the Biological Fate of Chemicals
Quanxi Mei, Xiaolu Chen, Li Xiang, Yue Liu, Yanyan Su, Yuqiao Gao, Weibo Dai, Pengpeng Dong, Shilin Chen
Folium Artemisiae Argyi is an important herb in traditional Chinese medicine. It is commonly used in moxibustion, medicine, etc. However, identifying Artemisia argyi is difficult because this herb exhibits similar morphological characteristics to closely related species and counterfeits. To verify the applicability of DNA barcoding, ITS2 and psbA-trnH were used to identify A. argyi from 15 closely related species and counterfeits. Results indicated that total DNA was easily extracted from all the samples and that both ITS2 and psbA-trnH fragments can be easily amplified...
2016: Biological & Pharmaceutical Bulletin
Rupali Gupta, Akanksha Singh, M M Gupta, Rakesh Pandey
Artemisia annua L. is mostly known for a bioactive metabolite, artemisinin, an effective sesquiterpene lactone used against malaria without any reputed cases of resistance. In this experiment, bioinoculants viz., Streptomyces sp. MTN14, Bacillus megaterium MTN2RP and Trichoderma harzianum Thu were applied as growth promoting substances to exploit full genetic potential of crops in terms of growth, yield, nutrient uptake and particularly artemisinin content. Further, multi-use of the bioinoculants singly and in combinations for the enhancement of antioxidant potential and therapeutic value was also undertaken which to our knowledge has never been investigated in context with microbial application...
October 2016: World Journal of Microbiology & Biotechnology
Mahdi Sharif, Shahabeddin Sarvi, Abdol Sattar Pagheh, Shabnam Asfaram, Mohammad Taghi Rahimi, Saeed Mehrzadi, Ehsan Ahmadpour, Shirzad Gholami, Ahmad Daryani
The objective of the current study was to systematically review papers discussing the efficacy of medicinal herbs against Toxoplasma gondii. Data were systematically collected from published papers about the efficacy of herbs used against T. gondii globally from 1988 to 2015, from PubMed, Google Scholar, ISI Web of Science, EBSCO, Science Direct, and Scopus. Forty-nine papers were included in the current systematic review reporting the evaluation of medicinal plants against T. gondii globally, both in vitro and in vivo...
July 4, 2016: Canadian Journal of Physiology and Pharmacology
Na Tian, Yuwei Tang, Dongming Tian, Zhonghua Liu, Shuoqian Liu
Dihydroartemisinic acid (DHAA) is the direct precursor to artemisinin, an effective anti-malaria compound from Artemisia annua L. (A. annua), and it can be transformed to artemisinin without the catalysis of enzyme. A rapid and sensitive analysis of DHAA in A. annua is needed to screen excellent plant resources aimed to improve artemisinin production. In order to develop a rapid and sensitive determination method for DHAA in plant, the extraction and analysis conditions were extensively investigated in the present work...
August 24, 2016: Biomedical Chromatography: BMC
Hye Kyung Baek, Pan Soo Kim, Ji Ae Song, Dong-Hwa Choi, Do Eun Kim, Seung Il Oh, Sang-Kyu Park, Sung-Jo Kim, Ki-Duk Song, In Koo Hwang, Hyung Seok Seo, Sun Shin Yi
Recently, we reported that Artemisia annua (AA) has anti-adipogenic properties in vitro and in vivo. Reduction of adipogenesis by AA treatment may dampen systemic inflammation and protect neurons from cytokine-induced damage. Therefore, the present study was performed to assess whether AA increases neuronal maturation by reducing inflammatory responses, such as those mediated by COX-2. Mice were fed normal chow or a high-fat diet with or without chronic daily oral administration of AA extract (0.2g/10mL/kg) for 4 weeks; then, changes in their hippocampal dentate gyri were measured with immunohistochemistry/immunofluorescence staining for BrdU, DCX, and NeuN, markers of neuronal maturation, and a quantitative Western blot for COX-2 and Iba-1, in order to assess correlations between systemic inflammation (Il-6) and food type...
August 10, 2016: Journal of Veterinary Science
Suk Hee Kim, Seong Hee Kang, Bo Sun Kang
BACKGROUND/OBJECTIVES: Artemisinin, a natural product isolated from Gaeddongssuk (artemisia annua L.) and its main active derivative, dihydroartemisinin (DHA), have long been used as antimalarial drugs. Recent studies reported that artemisinin is efficacious for curing diseases, including cancers, and for improving the immune system. Many researchers have shown the therapeutic effects of artemisinin on tumors such as breast cancer, liver cancer and kidney cancer, but there is still insufficient data regarding glioblastoma (GBM)...
August 2016: Nutrition Research and Practice
Yan Deng, Zijun Liu, Yiwei Geng
Artemisia apiacea (also known as Artemisia annua L) is a herb commonly used in traditional Chinese medicine. In the early 1970s, artemisinin was isolated and identified as the active antimalarial ingredient, and thereafter, A. apiacea and artemisinin have been studied extensively, such as anti-inflammation and antipyresis, antibacteria, antiparasitic and immunosuppression effects of A. apiacea extract. The present study investigated the extracts anti-allergic effect obtained from the dried flowering tips of A...
August 2016: Experimental and Therapeutic Medicine
Laurence Lagarce, Nicolas Lerolle, Pierre Asfar, Yohann Le Govic, Pascale Lainé-Cessac, Ludovic de Gentile
Non-pharmaceutical forms of Artemisia annua (a Chinese plant containing artemisinin) are used by some travellers who believe these products are safer than anti-malarial drugs. We report two cases of severe Plasmodium falciparum malaria requiring hospitalization in an Intensive Care Unit following prophylaxis with non-pharmaceutical A. annua in French travellers.
May 2016: Journal of Travel Medicine
Bo Wang, Arman Beyraghdar Kashkooli, Adrienne Sallets, Hieng-Ming Ting, Norbert C A de Ruijter, Linda Olofsson, Peter Brodelius, Mathieu Pottier, Marc Boutry, Harro Bouwmeester, Alexander R van der Krol
Our lack of full understanding of transport and sequestration of the heterologous products currently limit metabolic engineering in plants for the production of high value terpenes. For instance, although all genes of the artemisinin/arteannuin B (AN/AB) biosynthesis pathway (AN-PW) from Artemisia annua have been identified, ectopic expression of these genes in Nicotiana benthamiana yielded mostly glycosylated pathway intermediates and only very little free (dihydro)artemisinic acid [(DH)AA]. Here we demonstrate that Lipid Transfer Protein 3 (AaLTP3) and the transporter Pleiotropic Drug Resistance 2 (AaPDR2) from A...
July 12, 2016: Metabolic Engineering
Yong Wang, Jing Yu, Pengguo Xia, Shaoxuan He, Ziyun Zhou, Ruilian Han, Zongsuo Liang
Artemisia scoparia, Artemisia sacrorum and Artemisia giraldii were three dominant Artemisia species which successive grew in the secondary succession on abandoned land of the Loess Plateau. The succession accompanied the soil moisture steady decrease with field age after their abandonment. To elucidate the relationship between the Artemisia species succession and their drought-adaptation, three dominant species and a contrastive species Artemisia annua (mesophyte), were selected to compare their drought-resistant characteristics, including morphological and anatomical traits of leaf and root...
2016: SpringerPlus
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