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22篇 您的检索式:作者名="Adagu"
    题名 作者 年代 出处 被引量
1氯喹抗性相关基因pfmdrl两个突变点的初步研究显示文摘目的 对氯喹抗性相关基因 pfmdrl两突变点进行研究。方法 用新颖的等位基因特异PCR和限制性酶切分析技术 (AS -PCR/RFLP)检测云南恶性疟的与氯喹抗性相关的pfmdrl基因Asn86 Tyr和Asp12 46 Tyr的突变点 ,了解其与氯喹抗性表现型的相关性。结果 在 10个氯喹抗性分离株未检测 pfmdrl基因 86位氨基酸编码子的突变 (Asn86型 ) ;而在 9个氯喹抗性分离株中检测 pfmdrl基因 86位氨基酸编码子由A变为T ,即86 Tyr型。未检测到 pfmdrl基因Asn12 46 Tyr的突变。结论 提示在云南恶性疟氯喹抗性流行区 ,氯喹抗性表现型与pfmdrl基因 86 Tyr的位点突变符合性仅 47 4% ,似无明显关系 ;而基因Asn12 46 Tyr的位点突变似乎是不存在。这支持除Asn86 Tyr突变外 。杨亚明 Adagu I.S 高百荷 刘慧 张国森 2001中国公共卫生2001,17,11:6
2套式PCR检测恶性疟原虫Pfcrt基因76号编码多态性及RFLP分析显示文摘目的检测恶性疟原虫氯喹抗性转运基因 ( Pfcrt) 76编码多态性及其用该多态性显示恶性疟原虫对氯喹反应性进行评价。方法用套式 PCR/RFLP技术检测现场采集的滤纸血滴上恶性疟原虫 crt基因 76编码的赖氨酸野生型多态性及苏氨酸突变型多态性 ,并对恶性疟原虫的氯喹反应性进行体内法测定。结果 34份滤纸血样中 ,32份的恶性疟原虫 crt基因 76号编码为苏氨酸 (突变型 ) ,突变型比例为 94 .1 2 % ;34份血样中 2 1份做氯喹抗性体内观察 ,该 2 1个病例中 1 4份血样恶性疟原虫 crt基因 76号编码为突变型 ,体内法观察同样显示恶性疟原虫对氯喹有抗性 ,两种方法显示恶性疟原虫对氯喹有抗性的符合率为 66.67%。结论套式 PCR/RFLP检测 Pfcrt基因 76号编码多态性 ,其方法简便、快速 ,但其多态性对氯喹反应性的提示尚需进一步评价。董莹 张再兴 Adagu IS 2001实用寄生虫病杂志2001,9,3:3
3云南边境地区氯喹及与青蒿琥酯伍用治疗前后恶性疟原虫pfcrt和pfmdr1抗药性有关基因点突变的变化特征(英文)显示文摘目的 了解氯喹单用及与青蒿琥脂伍用治疗恶性疟前后 ,pfcrt和 pfmdr1抗药性有关基因的点突变变化特征。 方法 使用PCR RFLP技术检测基因点突变。 结果 氯喹及与青蒿琥脂伍用治疗前后的所有样本都发现有恶性疟原虫pfcrt基因氨基酸编码 76突变为苏氨酸的特征。但是 ,氯喹治疗前 ,5 0 % pfmdr1基因氨基酸编码 86为天冬酰氨酸 (野生型 ) ,而剩余的 5 0 %为野生型和突变型 (苏氨酸 )的特征。氯喹治疗后 ,在 18个复燃的病例中 ,83 .3 %的 pfmdr1基因 86位点为野生型 ,剩余的 16.7%是混合型。氯喹与青蒿琥脂伍用治疗前 ,3个样本携带混合型基因型 ,剩余的 (86% )为野生型 ,但治疗后 ,所有样本只携带野生型。 结论 这些结果可能支持这样的假说 :pfcrt基因突变起主导作用 ,但 pfmdr1基因突变增强了氯喹抗药性的效果。杨亚明 Adagu IS 张再兴 Warhurst DC 2003中国寄生虫病防治杂志2003,16,6:2
4Modified fixed-ratio isobolo- gram method for studying in vitro interactions between atovaquone and proguanil or dihydroartemisinin against drug-resistant strains of Plas- modium falciparum 显示文摘Fivelman QL Adagu IS Warhurst DC 2004Antimicrob Agents Chemother2004,48,11:1
5Association of eg2 and pfmdrl genotype with chloroquine resistance in field samples of Plasmodium falciparum from Nigeria 显示文摘Adagu IS Warhurst DC 1999Parasitology1999,119,4:1
6Pfmdr1 Asn1042Asp and Asp124 6Tyrpolymorphisms, thought to be associated with chloroquine resistance, are pr esent inchloroquine-resistant and -sensitive Brazilian field isolates of Pl asmodiumfalciparum显示文摘Povoa MM Adagu IS Oliveira SG 1998Exp Parasitol1998,88,:1
7Plasmodium falciparum: in v itrochloroquine susceptibility and allele-specific PCR detection of Pfmdr 1 Asn86Tyrpolymorphism in Lambarene, Gabon显示文摘Grobusch MP Adagu IS Kremsner PG 1998Parasitology1998,116,:1
8Pfmdr1 Asn1042 Asp and Asp1246Tyr polymorphisms, thought to be associated with chloroquine resistance, are present in chloroquine-resistant and-sensitive Brazilian field isolates of Plasmodium falciparum 显示文摘Povoa MM Adagu IS Oliveira SG 1998Exp Parasitol1998,88,:1
9In vitro activity of nitazoxanide and related compounds against isolates of Giardia intestinalis, Entamoeba histolytica and Trichomonas vaginalis 显示文摘Adagu IS Nolder D Warhurst DC 2002J Antimicrob Chemother2002,49,1:1
10Activity of Piperaquine and Other 4-Aminoquinoline Antiplasmodial Drugs Against Chloroquine-Sensitive Andresistant Blood-Stages of Plasmodium Falciparum Role of b-Haematin Inhibition and Drug Concentration Invacuolar Water-and Lipid-Phases显示文摘Warhurst D C Craig j C Adagu I S 2007Biochemical Pharmacology2007,73,12:1
11Activity of piperaquine and other 4-aminoquinolie antiplasmodial drugs against chloroquine-sensitive and resistant blood-stages of Plasmodium falciparum Role of b-haematin inhibition and drug concentration in vacuolar water- and lipid-phases显示文摘WARHURST DC CRAIG JC ADAGU IS 2007Biochem Pharmacol2007,73,12:1
12Plasmodium falciparum: in vitro chloroquine susceptibility and allele-specific PCR detection of Pfmdr1 Asn86Tyr polymorphism in hambarene, Gabon显示文摘Grobusch MP Adagu IS Kremsner PG 1998Parasitology1998,116,:1
13Allele-specific, nested, one tube PCR: application to Pfmdrl polymorphisms in Plasmodium falciparum显示文摘Adagu I S Warhurst D C 1999Parasitology1999,119,:1
14Guinea Bissau: association of chloroquine resistance of Plasmodium falciparum with the Tyr86 allele of the multiple drug-resistance gene pfmdr1显示文摘Adagu IS Dias E Pinheiro L 1996Trans R Soc Trop Med Hyg1996,90,:1
15pfmdr mutations and chloroquine-resistance in Plasmodium falciparum isolates from Zaria, Nigeria显示文摘Adagu IS Warhurst DC Carucci DJ 1995Trans R Soc Trop Med Hyg1995,89,:1
16Plasmodium falciparum: in vitro chloroquine susceptibility and allele-specific PCR detection of Pfmdr1 Asn86Tyr polymorphism in hambarene, Gabon显示文摘Grobusch MP Adagu IS Kremsner PG 1998Parasitology1998,116,:1
17Guinea Bissau: association of chloroquine resistance of Plasmodium falciparum with the Tyr86 allele of the multiple drug-resistance gene Pfmdr1显示文摘Adagu IS Dias E Pinheiro L 1996Trans R Soc Trop Med Hyg1996,90,:1
18Pfmdr mutations and chloroquine-resistance in Plasmodium falciparum isolates from Zaria, Nigeria显示文摘Adagu IS Warhurst DC Carucci DJ 1995Trans R Soc Trop Med Hyg1995,89,:1
19Association of cg2 and pfmdrl genotype with chloroquine resistance in field samples of Plasmodium falciparum from Nigeria 显示文摘Adagu IS Warhurst DC 1999Parasitology1999,119,4:1
20Palsmodium flaciparum: in vitro chloroquine susceptibility and allelespecific PCR detection of Pfmdr1Asn86Tyr polymorphism in Lambarene, Gabon显示文摘Grobusch MP Adagu IS Kremsner PG 1998Parasitology1998,116,:1
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