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Full-Text Articles in Medical Specialties
Sds-Page And Western Blotting Of Plasmodium Falciparum Proteins, Roland A. Cooper
Sds-Page And Western Blotting Of Plasmodium Falciparum Proteins, Roland A. Cooper
Roland A. Cooper
The Plasmodium spp. parasite was identified as the causative agent of malaria in 1880, and the mosquito was identified as the vector in 1897. Despite subsequent efforts focused on the epidemiology, cell biology, immunology, molecular biology, and clinical manifestations of malaria and the Plasmodium parasite, there is still no licensed vaccine for the prevention of malaria. Physical barriers (bed nets, window screens) and chemical prevention methods (insecticides and mosquito repellents) intended to interfere with the transmission of the disease are not highly effective, and the profile of resistance of the parasite to chemoprophylactic and chemotherapeutic agents is increasing. The dawn …
P. Falciparum Cg2, Linked To Chloroquine Resistance, Does Not Resemble Na+/H+ Exchangers, Thomas E. Wellems, John C. Wootton, Hisashi Fujioka, Xin-Zhuan Su, Roland Cooper, Dror Baruch, David A. Frock
P. Falciparum Cg2, Linked To Chloroquine Resistance, Does Not Resemble Na+/H+ Exchangers, Thomas E. Wellems, John C. Wootton, Hisashi Fujioka, Xin-Zhuan Su, Roland Cooper, Dror Baruch, David A. Frock
Roland A. Cooper
Understanding the molecular basis for chloroquine resistance in Plasmodium falciparum will provide important support for the development of new therapies and prophylactic measures against malaria. Complementary genetic and biochemical investigations should discriminate among current theories and pinpoint the functional determinants of resistance. With this in mind Sanchez et al. 1998 have proposed that the P. falciparum cg2 gene, linked by Su et al. 1997 to chloroquine resistance, may encode a sodium/hydrogen exchanger (NHE) responsible for drug transport. Here, we present evidence against this proposal. Detailed reanalysis of the CG2 sequence fails to support the claims for significant similarity to functional …