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Showing 1-25 of 25 results for "32154" within Papers
Juliana Q Reimão et al.
Experimental parasitology, 130(3), 195-199 (2012-01-28)
The objective of this study was to develop a novel liposomal formulation, containing phosphatidylserine (PS), of buparvaquone (BPQ) and to evaluate its in vivo effectiveness in Leishmania (L.) infantum chagasi-infected hamsters. The activity of BPQ was evaluated against both the
G R Muraguri et al.
Research in veterinary science, 81(1), 119-126 (2005-11-18)
East Coast fever, caused by the protozoan parasite Theileria parva, kills about 600,000 cattle annually in Africa. The hydroxynaphthoquinone compound buparvaquone (BPQ) is curative. Sixteen calves were infected with T. parva. On manifestation of disease symptoms, eight were injected with
Hassan Sharifiyazdi et al.
Veterinary parasitology, 187(3-4), 431-435 (2012-02-07)
Theileriosis is an economically important haemoprotozoal disease with high morbidity and mortality in cattle. Buparvaquone is very effective in the treatment of Theileria infections in cattle. The present study reported an outbreak of bovine tropical theileriosis in Fars Province, southern
Antti Mäntylä et al.
Journal of medicinal chemistry, 47(1), 188-195 (2003-12-30)
Water-soluble phosphate prodrugs of buparvaquone (1), containing a hydroxynaphthoquinone structure, were synthesized and evaluated in vitro for improved topical and oral drug delivery against cutaneous and visceral leishmaniasis. The successful prodrug synthesis involved a strong base; e.g., sodium hydride. Buparvaquone-3-phosphate
Tracy Garnier et al.
The Journal of antimicrobial chemotherapy, 60(4), 802-810 (2007-08-24)
The efficacy of different formulations of the naphthoquinone buparvaquone and two phosphate prodrugs in in vivo models of both visceral and cutaneous leishmaniasis is described. Several topical formulations of buparvaquone containing acceptable excipients were tested in vivo against Leishmania major
Feng Ding et al.
Bulletin of environmental contamination and toxicology, 85(2), 116-120 (2010-07-20)
The acute toxicities of five naphthoquinone compounds to Photobacterium phosphoreum were determined. We evaluated the mechanism of toxicity using the structure-activity relationship technique. The results showed that some factors, including the species of substituents, shape/size of molecule and oil-water partition
Tracy Garnier et al.
The Journal of pharmacy and pharmacology, 59(1), 41-49 (2007-01-18)
As the part of a study to develop buparvaquone (BPQ) formulations for the treatment of cutaneous leishmaniasis, the topical delivery of BPQ and one of its prodrugs from a range of formulations was evaluated. In previous studies, BPQ and its
Guilherme Carneiro et al.
Expert opinion on drug delivery, 9(9), 1083-1097 (2012-06-26)
The parenteral administration of pentavalent antimonials for the treatment of all forms of leishmaniasis, including cutaneous leishamniasis (CL), has several limitations. Therapy is long, requiring repeated doses and the adverse reactions are frequent. Topical treatment is an attractive alternative for
Gantala Venkatesh et al.
Drug development and industrial pharmacy, 36(6), 735-745 (2010-02-09)
The aim of this study was to prepare a lipid-based self-microemulsifying drug delivery system (SMEDDS) to increase the solubility and oral bioavailability of a poorly water-soluble compound, buparvaquone (BPQ). The solubility of BPQ was determined in various vehicles, and pseudo-ternary
Bariş Saruhan et al.
Turkiye parazitolojii dergisi, 32(4), 317-321 (2009-01-22)
The aim of this study was to examine the efficacy of buparvaquone (Buparvon, ALKE, Istanbul) in the treatment of theileriosis in cattle. The causative agent T. annulata causes direct and indirect gross economical loss in Turkey. Theileriosis was microscopically diagnosed
Kirsty Jensen et al.
International journal for parasitology, 39(10), 1099-1108 (2009-03-24)
The tick-borne protozoan parasite Theileria annulata causes a debilitating disease of cattle called Tropical Theileriosis. The parasite predominantly invades bovine macrophages (m phi) and induces host cell transformation by a mechanism that has not been fully elucidated. Infection is associated
Moez Mhadhbi et al.
Veterinary parasitology, 169(3-4), 241-247 (2010-02-27)
The present study describes an outbreak of tropical theileriosis cases refractory to buparvaquone treatment, which occurred in a small-size dairy farm in Tunisia. Out of seven treated cows, four died in spite of repeated buparvaquone injections (2.5 and 5 mg
Julien Guergnon et al.
Biochimie, 85(8), 771-776 (2003-10-31)
The intracellular parasite Theileria parva (T. parva) can infect bovine B and T-lymphocytes. T. parva-infected cells become transformed, and they survive and proliferate independently of exogenous growth factors. In vivo the uncontrolled cellular proliferation associated with lymphocyte transformation underlies the
Antti Mäntylä et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 23(2), 151-158 (2004-09-29)
Novel water-soluble phosphate prodrugs (2b-5b) of buparvaquone-oxime (1a) and buparvaquone-O-methyloxime (1b) were synthesized and evaluated in vitro as potential oral prodrugs against leishmaniasis. Buparvaquone-oxime (1a), and most probably also buparvaquone-O-methyloxime (1b), released the parent buparvaquone via a cytochrome P450-catalysed reaction.
D Haller et al.
Oncogene, 29(21), 3079-3086 (2010-03-09)
The function of the p53 protein as the central effector molecule of the p53 apoptotic pathway was investigated in a reversible model of epigenetic transformation. The infection of bovine leukocytes by the intracellular protozoan parasite Theileria annulata results in parasite-dependent
Gantala Venkatesh et al.
Biomedical chromatography : BMC, 22(5), 535-541 (2008-01-22)
A simple, sensitive and specific reversed-phase high-performance liquid chromatographic method with UV detection at 251 nm was developed for quantitation of buparvaquone (BPQ) in human and rabbit plasma. The method utilizes 250 microL of plasma and sample preparation involves protein
Gantala Venkatesh et al.
Journal of pharmaceutical and biomedical analysis, 43(4), 1546-1551 (2006-12-13)
A simple, sensitive and specific reversed phase high performance liquid chromatographic (RP-HPLC) method with UV detection at 251 nm was developed for simultaneous quantitation of buparvaquone (BPQ), atenolol, propranolol, quinidine and verapamil. The method was applicable in rat in situ
Kyoko Hayashida et al.
Experimental and molecular pathology, 94(1), 228-238 (2012-09-18)
Our efforts are concerned with identifying features of incomplete malignant transformation caused by non viral pathogens. Theileria parva (T. parva) is a tick-transmitted protozoan parasite that can cause a fatal lymphoproliferative disease in cattle. The T. parva-infected lymphocytes display a
Antti Mäntylä et al.
Bioorganic & medicinal chemistry, 12(13), 3497-3502 (2004-06-10)
Novel oxime derivatives (2, 3 and 5) of buparvaquone (1) and O-methyl-buparvaquone (4) were synthesized and their in vitro activities against Leishmania donovani, the causative agent of visceral leishmaniasis (VL), were determined. Buparvaquone-oxime (2) was also studied as a bioreversible
M Gwamaka et al.
The Onderstepoort journal of veterinary research, 71(2), 119-128 (2004-09-18)
The effects of dexamethasone and promethazine on the amelioration of pulmonary oedema in East Coast fever were investigated. The clinical effects of these drugs were further investigated when used in conjunction with the antitheilerial drug, buparvaquone. In the first experiment
Cerebral theileriosis in a Holstein calf.
M Dabak et al.
The Veterinary record, 154(17), 533-534 (2004-05-12)
Salama A Osman et al.
Veterinary parasitology, 146(3-4), 337-340 (2007-04-11)
Thirty buffaloes naturally infected with Theileria annulata and 10 parasitologically free controls were used to determine the potential clinical, haematological and therapeutic impact of tropical theileriosis in Egypt. The clinical signs in the infected buffaloes were pyrexia (40.5-41.5 degrees C)
Norma Hernández-Trejo et al.
Journal of drug targeting, 13(8-9), 499-507 (2005-12-08)
The poorly soluble drug buparvaquone is proposed as an alternative treatment of Pneumocystis carinii pneumonia (PCP) lung infections. Physically stable nanosuspensions were formulated in order to deliver the drug at the site of infection using nebulization. The aerosolization characteristics of
Sanjay Kumar et al.
The Journal of veterinary medical science, 65(11), 1171-1177 (2003-12-11)
The therapeutic efficacy of imidocarb, artesunate, arteether, buparvaquone and arteether+buparvaquone combination was evaluated against Babesia equi of Indian origin in splenectomised donkeys with experimentally induced acute infection. Efficacies of these drugs were tested by administering each drug or drug combination
H A Mbwambo et al.
Veterinary parasitology, 139(1-3), 67-73 (2006-03-29)
Evaluation trials of the efficacy of buparvaquone (BUTA-kel KELA Laboratoria, N.V. Belgium), as a treatment of field cases of Theileria parva infection (East Coast fever - ECF) were carried out on 63 cattle in the peri-urban of Dar Es Salaam
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