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artemisinin

Not Open Access : Clinical and non-clinical safety of artemisinin derivatives in pregnancy.

August 29, 2016 - 15:15 -- NOT Open Access
Author(s): 
Gomes C, Boareto AC, Dalsenter PR
Reference: 
Reprod Toxicol. 2016 Aug 6;65:194-203.

In this review we aimed to assess the results of non-clinical and clinical studies with artemisinin derivatives, their mechanisms of embryotoxicity and discuss the safety of their use during pregnancy.

Organization: 

Declining Efficacy of Artemisinin Combination Therapy Against P. Falciparum Malaria on the Thai–Myanmar Border (2003–2013): The Role of Parasite Genetic Factors

August 26, 2016 - 15:19 -- Open Access
Author(s): 
Aung Pyae Phyo, Elizabeth A. Ashley, Francois Nosten, et al.
Reference: 
Clin Infect Dis. (2016) 63 (6): 784-791

Between 2003 and 2013, we studied the efficacy of MAS3 in 1005 patients with uncomplicated P. falciparum malaria in relation to molecular markers of resistance.

Country: 

Gametocyte carriage in uncomplicated Plasmodium falciparum malaria following treatment with artemisinin combination therapy: a systematic review and meta-analysis of individual patient data

June 8, 2016 - 15:49 -- Open Access
Author(s): 
WWARN Gametocyte Study Group
Reference: 
BMC Medicine 2016, 14:79 (24 May 2016)

All relevant studies were identified through a systematic review of PubMed. Risk of bias was evaluated based on study design, methodology, and missing data.

Degradation of Artemisinin-Based Combination Therapies Under Tropical Conditions

May 17, 2016 - 15:47 -- Open Access
Author(s): 
Zoe Hall, Elizabeth Louise Allan, Donelly Andrew van Schalkwyk, Albert van Wyk, and Harparkash Kaur
Reference: 
Am J Trop Med Hyg 2016 94:993-1001

Using this developed methodology, it was found that a quarter of ACTs purchased in Enugu, Nigeria (concurrent study), that would have been classified as substandard, were in fact degraded. Presence of degradation products together with evidence of insufficient APIs can be used to classify drugs as degraded.

Cellular engineering of Artemisia annua and Artemisia dubia with the rol ABC genes for enhanced production of potent anti-malarial drug artemisinin

May 6, 2016 - 17:55 -- Open Access
Author(s): 
Bushra Hafeez Kiani, John Suberu and Bushra Mirza
Reference: 
Malaria Journal 2016 15:252, 4 May 2016

Transformation of Artemisia sp. with rol ABC genes can lead to the increased production of artemisinin, which will help to meet the increasing demand of artemisinin because of its diverse pharmacological and anti-malarial importance.

NOT Open Access | A Click Chemistry-Based Proteomic Approach Reveals that 1,2,4-Trioxolane and Artemisinin Antimalarials Share a Common Protein Alkylation Profile

April 21, 2016 - 16:33 -- NOT Open Access
Author(s): 
Hanafy M. Ismail, Victoria E. Barton, Matthew Panchana, Sitthivut Charoensutthivarakul, Giancarlo A. Biagini, Stephen A. Ward, Paul M. O'Neill
Reference: 
Angewandte Chemie

Here we investigate this proposition using novel clickable 1,2,4-trioxolane activity based protein-profiling probes (ABPPs). ABPPs with potent antimalarial activity were able to alkylate protein target(s) within the asexual erythrocytic stage of Plasmodium falciparum (3D7). 

NOT Open Access | Reappraising the effects of artemisinin on the ATPase activity of PfATP6 and SERCA1a E255L expressed in Xenopus laevis oocytes

February 2, 2016 - 19:14 -- NOT Open Access
Author(s): 
David-Bosne S, Clausen MV, Poulsen H, Møller JV, Nissen P, le Maire M.
Reference: 
Nature Structural & Molecular Biology 23, 1–2 (2016)

No abstract available

Polymorphisms of the artemisinin resistant marker (K13) in Plasmodium falciparum parasite populations of Grande Comore Island 10 years after artemisinin combination therapy

December 19, 2015 - 09:22 -- Open Access
Author(s): 
Huang B, Deng C, Yang T, Xue L, Wang Q, Huang S, Su X, Liu Y, Zheng S, Guan Y, Xu Q, Zhou J, Yuan J, Bacar A, Abdallah K, Attoumane R, Mliva A, Zhong Y, Lu F, Song J
Reference: 
Parasites & Vectors 2015, 8 :634 (15 December 2015)

This study showed increased K13-propeller gene diversity among P. falciparum populations on the Island over the course of 8 years (2006–2014). Nevertheless, none of the polymorphisms known to be associated with artemisinin resistance in Asia was detected in the parasite populations examined. 

Not Open Access | Artemisinin nanoformulation suitable for intravenous injection: Preparation, characterization and antimalarial activities

November 25, 2015 - 08:36 -- NOT Open Access
Author(s): 
Nehal Ibrahim, Hany Ibrahim, Alicia Moreno Sabater, Dominique Mazier, Alexis Valentin, Françoise Nepveu
Reference: 
International Journal of Pharmaceutics, Volume 495, Issue 2, 30 November 2015, Pages 671-679

Here, we report the preparation, characterization, and in vitro and in vivo biological evaluation of biodegradable albumin-bound artemisinin nanoparticles. 

Enhanced artemisinin yield by expression of rol genes in Artemisia annua

November 4, 2015 - 11:59 -- Open Access
Author(s): 
Erum Dilshad, Rosa Cusido, Javier Palazon, Karla Estrada, Mercedes Bonfill, Bushra Mirza
Reference: 
Malaria Journal 2015, 14:424 (29 October 2015)

Thus it was proved that rol B and rol C genes are effective in the enhancement of artemisinin content of A. annua, rol B gene being more active to play part in this enhancement than rol C gene.

Medical Treatment: 

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