Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0024530 (malaria)
 44,886 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

12B75, 274150; Abacavir sulfate/lamivudine, Abatacept, Ad2/HIF-1alpha, Adalimumab, Adefovir, Adefovir dipivoxil, AGN-201904-Z, AIDSVAX, Albinterferon alfa-2b, Alemtuzumab, Aliskiren fumarate, Alvimopan hydrate, Amlodipine besylate/atorvastatin calcium, Amlodipine besylate/Olmesartan medoxomil, Ammonium tetrathiomolybdate, Amodiaquine, Apaziquone, Aprepitant, Arsenic trioxide, Artesunate/Amodiaquine, Ascorbic acid, Atazanavir sulfate, Atazanavir/ritonavir, Atomoxetine hydrochloride, Atrigel-Leuprolide, Axitinib; Bevacizumab, Binodenoson, Bortezomib, Bovine lactoferrin; Calcipotriol/betamethasone dipropionate, Carisbamate, Certolizumab pegol, Ciclesonide, Conivaptan hydrochloride, CP-690550, CP-751871, Cypher; Dapivirine, Darbepoetin alfa, Darunavir, Dasatinib, del-1 Genemedicine, Denosumab, Desloratadine, Dexlansoprazole, DiabeCell, Drospirenone/ethinylestradiol, DTaP-HepB-IPV, Duloxetine hydrochloride, Dutasteride; Eculizumab, Eldecalcitol, Eletriptan, Emtricitabine, Entecavir, Eritoran tetrasodium, Ertapenem sodium, Escitalopram oxalate, Eslicarbazepine acetate, Esomeprazole magnesium, Estradiol acetate, Eszopiclone, ETEC vaccine, Etoricoxib, Exenatide, Ezetimibe; Fluticasone furoate, Fosmidomycin, Fosmidomycin/clindamycin; Glutamine; Heat Shock Protein 10, Hepatitis B hyperimmunoglobulin, HIV vaccine, Hochuekki-to, Human Albumin, Human papillomavirus vaccine; Immune globulin subcutaneous [human], IMP-321, Interferon omega, ISIS-301012, Istaroxime; Japanese encephalitis virus vaccine; Latanoprost/timolol maleate, Lenalidomide, Linaclotide acetate, Lumiracoxib, LY-517717; Malaria vaccine, MAS-063D, Meningitis B vaccine, Mepolizumab, Methylnaltrexone bromide, Micafungin sodium, MK-0822A, Morphine glucuronide, Morphine hydrochloride, Mycophenolic acid sodium salt; Natalizumab, Nesiritide, Norelgestromin/ethinyl estradiol, NT-201; Oblimersen sodium, Olmesartan medoxomil, Olmesartan medoxomil/hydrochlorothiazide, Omalizumab, Otamixaban; Paclitaxel nanoparticles, Panitumumab, Panobinostat, Parathyroid hormone (human recombinant), Parecoxib sodium, Pegfilgrastim, Peginterferon alfa-2a, Peginterferon alfa-2b, Pegvisomant, PI-88, Pimecrolimus, Pneumococcal 7-valent conjugate vaccine, Pneumococcal 9-valent conjugate vaccine, Pneumococcal conjugate vaccine, Poloxamer-188, Prasugrel, Pregabalin, Prulifloxacin; R-109339, Ramipril/amlodipine, Ranolazine, Rasburicase, rHA influenza vaccine, Ro-50-3821, Rosuvastatin calcium, Rotavirus vaccine, Rotigotine, Ruboxistaurin mesilate hydrate; Satavaptan, SC-75416, Solifenacin succinate, Sorafenib, Sugammadex sodium, Sunitinib malate, Synthetic conjugated estrogens B; Tadalafil, Talnetant, Taxus, Tegaserod maleate, Telbivudine, Temsirolimus, Tenofovir disoproxil fumarate, Tetomilast, Tiotropium bromide, Tipifarnib, Tofimilast, Tremelimumab, Trimethoprim; Udenafil, Urocortin 2; Valdecoxib, Vernakalant hydrochloride; XP-828L.
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PMID:Gateways to clinical trials. 1798 11

Plasmodium falciparum causes the most serious complications of malaria and is a public health problem worldwide with over 2 million deaths each year. The erythrocyte invasion mechanisms by Plasmodium sp. have been well described, however the physiological aspects involving host components in this process are still poorly understood. Here, we provide evidence for the role of renin-angiotensin system (RAS) components in reducing erythrocyte invasion by P. falciparum. Angiotensin II (Ang II) reduced erythrocyte invasion in an enriched schizont culture of P. falciparum in a dose-dependent manner. Using mass spectroscopy, we showed that Ang II was metabolized by erythrocytes to Ang IV and Ang-(1-7). Parasite infection decreased Ang-(1-7) and completely abolished Ang IV formation. Similar to Ang II, Ang-(1-7) decreased the level of infection in an A779 (specific antagonist of Ang-(1-7) receptor, MAS)-sensitive manner. 10(-7) M PD123319, an AT(2) receptor antagonist, partially reversed the effects of Ang-(1-7) and Ang II. However, 10(-6) M losartan, an antagonist of the AT(1) receptor, had no effect. Gs protein is a crucial player in the Plasmodium falciparum blood cycle and angiotensin peptides can modulate protein kinase A (PKA) activity; 10(-8) M Ang II or 10(-8) M Ang-(1-7) inhibited this activity in erythrocytes by 60% and this effect was reversed by 10(-7) M A779. 10(-6) M dibutyryl-cAMP increased the level of infection and 10(-7) M PKA inhibitor decreased the level of infection by 30%. These results indicate that the effect of Ang-(1-7) on P. falciparum blood stage involves a MAS-mediated PKA inhibition. Our results indicate a crucial role for Ang II conversion into Ang-(1-7) in controlling the erythrocytic cycle of the malaria parasite, adding new functions to peptides initially described to be involved in the regulation of vascular tonus.
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PMID:Impairment of the Plasmodium falciparum erythrocytic cycle induced by angiotensin peptides. 2136 58

NO MAS (NM) mosquito repellent was evaluated in two farming villages (4 km apart) in the Kassena Nankana district of northern Ghana. We determined its efficacy against local malaria vectors, degree of user acceptance, and its effect on malaria prevalence in households using insecticide-treated bed nets. The average protective efficacy of NM against Anopheles mosquitoes over 9 hours was 89.6%. Controls averaged 86 bites/person/night versus 9 bites/person/night with the use of NM. Use of repellent was associated with a decrease of absolute malaria prevalence by 19.2% in the repellent village and by 6.5% in the control village (45.5 to 26.3, and 29.5 to 23.0, respectively). The user-acceptance rate of NM repellent was 96.1%. Ten percent (10%) of repellent users reported irritation as the main adverse effect during the period. Eighty-five percent (85%) of the users found the odor of NM appealing and 87% reported no inconvenience in applying the repellent daily.
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PMID:A community-wide study of malaria reduction: evaluating efficacy and user-acceptance of a low-cost repellent in northern Ghana. 2324 83

Macrophage activation syndrome is a potentially fatal clinical syndrome caused by an excessive activation and proliferation of macrophages and T cells, leading to an exaggerated inflammatory reaction. It is well known that it can complicate the course of different conditions, especially autoimmune, lympho-proliferative, infectious diseases and drugs. Many infective pathogens can trigger the syndrome but the association with malaria has rarely been described, especially in children. We report a child with severe malaria complicated by MAS, in whom the clinical appearance of this syndrome could be considered as worsening of malaria itself. Furthermore, the use of steroids as first choice drugs in this complication, but arguable in malaria, has been highlighted. Clinicians should be aware of this syndrome when malaria does not respond to conventional therapy, since early diagnosis and prompt treatment may dramatically reduce the mortality associated with this condition.
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PMID:Macrophage activation syndrome in a child affected by malaria: the choice of steroid. 2375 71