pH-dependent bidirectional transport of weakly basic drugs across Caco-2 monolayers: implications for drug–drug interactions

S Neuhoff, AL Ungell, I Zamora, P Artursson - Pharmaceutical research, 2003 - Springer
Purpose. The purpose of this study was to investigate the pH-dependent passive and active
transport of weakly basic drugs across the human intestinal epithelium. Methods. The …

pH-Dependent passive and active transport of acidic drugs across Caco-2 cell monolayers

S Neuhoff, AL Ungell, I Zamora, P Artursson - European Journal of …, 2005 - Elsevier
The aim of this study was to investigate pH-dependent passive and active transport of acidic
drugs across Caco-2 cells. Therefore, the bidirectional pH-dependent transport of two acidic …

Contribution of solid-state properties to the aqueous solubility of drugs

…, AG Holmén, CAS Bergström, I Zamora… - European journal of …, 2006 - Elsevier
This study investigates the influence of the solid-state properties melting point (T m ), enthalpy
of melting (ΔH m ) and entropy of melting (ΔS m ) of a drug on its intrinsic solubility (S 0 ). …

Predicting drug metabolism: a site of metabolism prediction tool applied to the cytochrome P450 2C9

I Zamora, L Afzelius, G Cruciani - Journal of medicinal chemistry, 2003 - ACS Publications
The aim of the present study is to develop a method for predicting the site at which molecules
will be metabolized by CYP 2C9 (cytochrome P450 2C9) using a previously reported …

CYP2C9 structure− metabolism relationships: Optimizing the metabolic stability of COX-2 inhibitors

MM Ahlström, M Ridderström, I Zamora… - Journal of medicinal …, 2007 - ACS Publications
The cytochrome P450 (CYP) family is composed of a large group of monooxygenases that
mediate the metabolism of xenobiotics and endogenous compounds. CYP2C9, one of the …

Enhanced metabolite identification with MSE and a semi‐automated software for structural elucidation

…, F Fontaine, I Zamora - … in Mass Spectrometry, 2010 - Wiley Online Library
The identification of metabolites is almost exclusively done with liquid chromatography/tandem
mass spectrometry (LC/MSMS) and despite the enormous progress in the development …

Legacy data sharing to improve drug safety assessment: the eTOX project

…, NPE Vermeulen, E Vock, G Wolber, I Zamora - Nature reviews Drug …, 2017 - nature.com
The sharing of legacy preclinical safety data among pharmaceutical companies and its
integration with other information sources offers unprecedented opportunities to improve the …

Brassinosteroids: A new way to define the structural requirements

C Brosa, JM Capdevila, I Zamora - Tetrahedron, 1996 - Elsevier
The synthesis of four new brassinosteroid analogs is reported. Two of them elicited high
activity as plant growth promoters. Also a new way to define the structural requirements, that …

Anchor− grind: Filling the gap between standard 3d qsar and the grid-independent descriptors

F Fontaine, M Pastor, I Zamora… - Journal of medicinal …, 2005 - ACS Publications
The aim of this work is to present the anchor−GRIND methodology. Anchor-GRIND efficiently
combines a priori chemical and biological knowledge about the studied compounds with …

Competitive CYP2C9 inhibitors: enzyme inhibition studies, protein homology modeling, and three-dimensional quantitative structure-activity relationship analysis

L Afzelius, I Zamora, M Ridderström, TB Andersson… - Molecular …, 2001 - ASPET
This study describes the generation of a three-dimensional quantitative structure activity
relationship (3D-QSAR) model for 29 structurally diverse, competitive CYP2C9 inhibitors …