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Niels Bjerre Holm et al.
The AAPS journal, 17(5), 1237-1245 (2015-05-24)
Synthetic cannabinoid designer drugs have emerged as drugs of abuse during the last decade, and acute intoxication cases are documented in the scientific literature. Synthetic cannabinoids are extensively metabolized, but our knowledge of the involved enzymes is limited. Here, we
Xing-Cong Li et al.
Antimicrobial agents and chemotherapy, 52(7), 2442-2448 (2008-05-07)
Our continuing effort in antifungal natural product discovery has led to the identification of five 6-acetylenic acids with chain lengths from C(16) to C(20): 6-hexadecynoic acid (compound 1), 6-heptadecynoic acid (compound 2), 6-octadecynoic acid (compound 3), 6-nonadecynoic acid (compound 4)
Tina Korosec et al.
Bioorganic & medicinal chemistry, 16(1), 209-221 (2007-10-30)
Novel cholesterol biosynthesis inhibitors, a group of pyridylethanol(phenylethyl)amine derivatives, were synthesized. Sterol profiling assay in the human hepatoma HepG2 cells revealed that compounds target human lanosterol 14alpha-demethylase (CYP51). Structure-activity relationship study of the binding with the overexpressed human CYP51 indicates
K Liaras et al.
Bioorganic & medicinal chemistry, 19(10), 3135-3140 (2011-04-29)
As part of ongoing studies in developing new antimicrobials, we report the synthesis of a new class of structurally novel derivatives, that incorporate two known bioactive structures a thiazole and chalcone, to yield a class of compounds with interesting antimicrobial
Chaitali Ghosh et al.
Epilepsia, 56(3), 439-449 (2015-02-07)
Drug toxicity is a hurdle to drug development and to clinical translation of basic research. Antiepileptic drugs such as carbamazepine (CBZ) and selective serotonin reuptake inhibitors such as sertraline (SRT) are commonly co-prescribed to patients with epilepsy and comorbid depression.
Carmen Lidia Chitescu et al.
The Science of the total environment, 532, 501-511 (2015-06-24)
The occurrence of 67 pharmaceutical and antifungal residues in the Danube river on the Romanian territory was studied by using solid-phase extraction (SPE) and LC-Q Exactive Orbitrap high resolution MS in both full scan (FS) MS and targeted MS/MS modes.
Qingzhong Hu et al.
Bioorganic & medicinal chemistry, 16(16), 7715-7727 (2008-08-05)
Thirty-five novel substituted imidazolyl methylene biphenyls have been synthesized as CYP17 inhibitors for the potential treatment of prostate cancer. Their activities have been tested with recombinant human CYP17 expressed in Escherichia coli. Promising compounds were tested for selectivity against CYP11B1
Richard Arakaki et al.
Expert opinion on investigational drugs, 19(2), 185-194 (2010-01-06)
The impact of hypercortisolism on multiple metabolic conditions is well recognized; the metabolic manifestations of Cushing's syndrome overlap with those seen in type 2 diabetes and the metabolic syndrome. Ketoconazole (KTZ), a widely used antifungal agent that inhibits various enzymes
Monica Mazzarino et al.
Journal of pharmaceutical and biomedical analysis, 117, 47-60 (2015-09-08)
This work presents an analytical method for the simultaneous analysis in human urine of 38 pharmacologically active compounds (19 benzodiazepine-like substances, 7 selective serotonin reuptake inhibitors, 4 azole antifungal drugs, 5 inhibitors of the phosphodiesterases type 4 and 3 inhibitors
Chunquan Sheng et al.
Journal of medicinal chemistry, 49(8), 2512-2525 (2006-04-14)
In a continuing effort to develop highly potent azole antifungal agents, the three-dimensional quantitative structure-activity relationship methods, CoMFA and CoMSIA, were applied using a set of novel azole antifungal compounds. The binding mode of the compounds at the active site
Yoshiki Matsuda et al.
Pharmaceutical research, 32(2), 604-616 (2014-08-29)
To evaluate the impact of intestinal first-pass metabolism (Fg) by cytochrome P4503A (CYP3A) and uridine 5'-diphosphate-glucuronosyltransferases (UGT) on in vivo oral absorption of their substrate drugs. CYP3A and UGT substrates were orally administered to portal-vein cannulated (PV) rats to evaluate
Ajay Saxena et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 76, 173-180 (2015-05-12)
Weakly basic compounds which have pH dependent solubility are liable to exhibit pH dependent absorption. In some cases, a subtle change in gastric pH can significantly modulate the plasma concentration of the drug and can lead to sub-therapeutic exposure of
Cui Li et al.
Journal of natural products, 74(7), 1658-1662 (2011-07-05)
Seven new briarane diterpenoids, gemmacolides G-M (1-7), were isolated together with two known analogues, juncin O and junceellolide C, from the South China Sea gorgonian Dichotella gemmacea. The structures of the new compounds were elucidated by detailed analysis of spectroscopic
Francisco J Prado-Prado et al.
Bioorganic & medicinal chemistry, 18(6), 2225-2231 (2010-02-27)
There are many of pathogen parasite species with different susceptibility profile to antiparasitic drugs. Unfortunately, almost QSAR models predict the biological activity of drugs against only one parasite species. Consequently, predicting the probability with which a drug is active against
David E Moody et al.
Journal of analytical toxicology, 39(5), 374-386 (2015-04-15)
Opioid-related mortality rates have escalated. Drug interactions may increase blood concentrations of the opioid. We therefore used human liver microsomes (HLMs) and cDNA-expressed human cytochrome P450s (rCYPs) to study in vitro inhibition of buprenorphine metabolism to norbuprenorphine (CYP3A4 and 2C8)
Naz M Aghatabay et al.
European journal of medicinal chemistry, 42(2), 205-213 (2006-12-27)
2,6-Bis(benzimidazol-2-yl)pyridine (L) ligand and complexes [M(L)Cl(2)] and [Fe(L)(2)](ClO(4))(2) (M=Zn, Cd, Hg) have been synthesized. The geometries of the [M(L)Cl(2)] complexes were derived from theoretical calculation in DGauss/DFT level (DZVP basis set) on CACHE. The central M(II) ion is penta-coordinated and
Flor Soriano-Agatón et al.
Journal of natural products, 68(11), 1581-1587 (2005-11-29)
Zanthoxylum chiloperone var. angustifolium was investigated. Alkaloids 1-3 from the canthin-6-one series were characterized. Derivatives 7-28 were prepared by hemisynthesis or total synthesis. All compounds were tested for in vitro antifungal activities against five pathogenic fungal strains. Analogues of canthin-6-one
Francisco M Garibotto et al.
European journal of medicinal chemistry, 46(1), 370-377 (2010-11-26)
The synthesis, in vitro evaluation, and conformational study of penetratin analogues acting as antifungal agents are reported. Different peptides structurally related with penetratin were evaluated. Analogues of penetratin rich in Arg, Lys and Trp amino acids were tested. In addition
E S Brown et al.
Bipolar disorders, 3(1), 23-29 (2001-03-21)
Data from several studies suggest that medications, such as ketoconazole, which lower cortisol levels, may be effective for major depressive disorder (MDD). As with MDD, the manic, depressive, and mixed phases of bipolar disorder are frequently associated with elevated cortisol
Eidi Alvarado-Ramírez et al.
Antimicrobial agents and chemotherapy, 51(7), 2420-2423 (2007-04-18)
The in vitro susceptibility of Sporothrix schenckii to antifungal drugs has been determined with three different methods. Nineteen Peruvian clinical isolates of S. schenckii were tested against amphotericin B (AB), flucytosine (FC), fluconazole (FZ), itraconazole (IZ), voriconazole (VZ), and ketoconazole
Filippo Garofalo et al.
Nitric oxide : biology and chemistry, 49, 1-7 (2015-06-06)
In mammalian and non-mammalian vertebrates, nitrite anion, the largest pool of intravascular and tissue nitric oxide storage, represents a key player of many biological processes, including cardiac modulation. As shown by our studies on Antarctic teleosts, nitrite-dependent cardiac regulation is
Patrick Vandeputte et al.
Antimicrobial agents and chemotherapy, 51(3), 982-990 (2006-12-13)
Little information is available about the molecular mechanisms responsible for polyene resistance in pathogenic yeasts. A clinical isolate of Candida glabrata with a poor susceptibility to polyenes, as determined by disk diffusion method and confirmed by determination of MIC, was
Aneta Novotna et al.
PloS one, 9(7), e101832-e101832 (2014-07-08)
Azole antifungal ketoconazole (KET) was demonstrated to activate aryl hydrocarbon receptor (AhR). Since clinically used KET is a racemic mixture of two cis-enantiomers (2R,4S)-(+)-KET and (2S,4R)-(-)-KET, we examined the effects of KET enantiomers on AhR signaling pathway. (+)-KET dose-dependently activated
Rondla Rohini et al.
European journal of medicinal chemistry, 44(8), 3330-3339 (2009-04-18)
With the aim of obtaining novel biologically active compounds, we have synthesized a series of mono, bis-2-o-arylideneaminophenylbenzimidazoles and a second series of corresponding mono, bis-6-arylbenzimidazo[1,2-c]quinazolines respectively. The target benzimidazo[1,2-c]quinazoline compounds were obtained by the condensation of 2-(o-aminophenyl)benzimidazole with mono and
Laura L Gray et al.
Veterinary dermatology, 24(1), 118-125 (2013-01-22)
Ciclosporin (CSA) is approved for the treatment of canine atopic dermatitis. Ciclosporin is metabolized by liver cytochrome P450 enzymes, a process inhibited by ketoconazole (KTZ). The aims of this study were to determine skin and blood CSA concentrations when CSA
Sean Ekins et al.
Drug metabolism and disposition: the biological fate of chemicals, 38(12), 2302-2308 (2010-09-17)
Drug-induced liver injury (DILI) is one of the most important reasons for drug development failure at both preapproval and postapproval stages. There has been increased interest in developing predictive in vivo, in vitro, and in silico models to identify compounds
Esther Castanys-Muñoz et al.
Antimicrobial agents and chemotherapy, 52(10), 3573-3579 (2008-07-23)
Leishmaniasis treatment is hampered by the increased appearance of treatment failure. ATP-binding cassette (ABC) transporters are usually involved in drug resistance both in tumor cells and in microorganisms. Here we report the characterization of an ABCG-like transporter, LiABCG6, localized mainly
Lijun Zhu et al.
The Journal of pharmacy and pharmacology, 66(11), 1534-1551 (2014-06-20)
Naftopidil (NAF) is a chiral compound with two enantiomers (R(+)-NAF and S(-)-NAF) and is used as a racemic mixture in clinical practice. This study aims to investigate the metabolism of NAF enantiomers in pooled human liver microsomes (HLMs) and cytochrome
Yupeng Sun et al.
Biomedical chromatography : BMC, 29(12), 1893-1900 (2015-05-23)
m-Nisoldipine, as a novel 1,4-dihydropyridine calcium ion antagonist, was presented as a couple of enantiomers [(-), (+)-m-nisoldipine]. In this report, the in vitro metabolism of m-nisoldipine enantiomers was investigated in rat liver microsomes (RLM) by the combination of two liquid
Krasimira T Petrova et al.
Carbohydrate research, 417, 66-71 (2015-10-04)
A library of 1-(1',2,3,3',4,4',6-hepta-O-acetyl-6'-deoxy-sucros-6'-yl)-1,2,3-triazoles have been investigated for their antibacterial, antifungal and cytotoxic activities. Most of the target compounds showed good inhibitory activity against a variety of clinically and food contaminant important microbial pathogens. In particular, 1-(1',2,3,3',4,4',6-hepta-O-acetyl-6'-deoxy-sucros-6'-yl)-4-(4-pentylphenyl)-1,2,3-triazole (5) was highly
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