Association between Polymorphisms in the Pfmdr6 Gene and Ex Vivo Susceptibility to Quinine in Plasmodium falciparum Parasites from Dakar, Senegal. 2017

Mathieu Gendrot, and Silman Diawara, and Marylin Madamet, and Mame Bou Kounta, and Sébastien Briolant, and Khalifa Ababacar Wade, and Mansour Fall, and Nicolas Benoit, and Aminata Nakoulima, and Rémy Amalvict, and Yaya Diémé, and Bécaye Fall, and Boubacar Wade, and Bakary Diatta, and Bruno Pradines
Unité de Parasitologie et d'Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.

Polymorphisms and the overexpression of transporter genes, especially of the ATP-binding cassette superfamily, have been involved in antimalarial drug resistance. The objective of this study was to use 77 Senegalese Plasmodium falciparum isolates to evaluate the association between the number of Asn residues in the polymorphic microsatellite region of the Plasmodium falciparum multidrug resistance 6 gene (Pfmdr6) and the ex vivo susceptibility to antimalarials. A significant association was observed between the presence of 7 or 9 Asn repeats and reduced susceptibility to quinine.

UI MeSH Term Description Entries
D009287 Naphthyridines A group of two-ring heterocyclic compounds consisting of a NAPHTHALENES double ring in which two carbon atoms, one per each ring, are replaced with nitrogens.
D010963 Plasmodium falciparum A species of protozoa that is the causal agent of falciparum malaria (MALARIA, FALCIPARUM). It is most prevalent in the tropics and subtropics. Plasmodium falciparums,falciparums, Plasmodium
D011110 Polymorphism, Genetic The regular and simultaneous occurrence in a single interbreeding population of two or more discontinuous genotypes. The concept includes differences in genotypes ranging in size from a single nucleotide site (POLYMORPHISM, SINGLE NUCLEOTIDE) to large nucleotide sequences visible at a chromosomal level. Gene Polymorphism,Genetic Polymorphism,Polymorphism (Genetics),Genetic Polymorphisms,Gene Polymorphisms,Polymorphism, Gene,Polymorphisms (Genetics),Polymorphisms, Gene,Polymorphisms, Genetic
D011803 Quinine An alkaloid derived from the bark of the cinchona tree. It is used as an antimalarial drug, and is the active ingredient in extracts of the cinchona that have been used for that purpose since before 1633. Quinine is also a mild antipyretic and analgesic and has been used in common cold preparations for that purpose. It was used commonly and as a bitter and flavoring agent, and is still useful for the treatment of babesiosis. Quinine is also useful in some muscular disorders, especially nocturnal leg cramps and myotonia congenita, because of its direct effects on muscle membrane and sodium channels. The mechanisms of its antimalarial effects are not well understood. Biquinate,Legatrim,Myoquin,Quinamm,Quinbisan,Quinbisul,Quindan,Quinimax,Quinine Bisulfate,Quinine Hydrochloride,Quinine Lafran,Quinine Sulfate,Quinine Sulphate,Quinine-Odan,Quinoctal,Quinson,Quinsul,Strema,Surquina,Bisulfate, Quinine,Hydrochloride, Quinine,Sulfate, Quinine,Sulphate, Quinine
D011804 Quinolines
D002738 Chloroquine The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses. Aralen,Arechine,Arequin,Chingamin,Chlorochin,Chloroquine Sulfate,Chloroquine Sulphate,Khingamin,Nivaquine,Sulfate, Chloroquine,Sulphate, Chloroquine
D004318 Doxycycline A synthetic tetracycline derivative with similar antimicrobial activity. 2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, (4S-(4alpha,4aalpha,5alpha,5aalpha,6alpha,12aalpha))-,Alpha-6-Deoxyoxytetracycline,Atridox,BMY-28689,BU-3839T,Doryx,Doxycycline Calcium,Doxycycline Calcium Salt (1:2),Doxycycline Hemiethanolate,Doxycycline Hyclate,Doxycycline Monohydrate,Doxycycline Monohydrochloride, 6-epimer,Doxycycline Monohydrochloride, Dihydrate,Doxycycline Phosphate (1:1),Doxycycline-Chinoin,Hydramycin,Oracea,Periostat,Vibra-Tabs,Vibramycin,Vibramycin Novum,Vibravenos,Alpha 6 Deoxyoxytetracycline,BMY 28689,BMY28689,BU 3839T,BU3839T,Doxycycline Chinoin,Doxycycline Monohydrochloride, 6 epimer,Vibra Tabs
D004351 Drug Resistance Diminished or failed response of an organism, disease or tissue to the intended effectiveness of a chemical or drug. It should be differentiated from DRUG TOLERANCE which is the progressive diminution of the susceptibility of a human or animal to the effects of a drug, as a result of continued administration. Resistance, Drug
D004983 Ethanolamines AMINO ALCOHOLS containing the ETHANOLAMINE; (-NH2CH2CHOH) group and its derivatives. Aminoethanols
D005449 Fluorenes A family of diphenylenemethane derivatives.

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