Objective: To predict the plasma protein binding rate of cephalosporins from their molecular structural parameters.
Methods: The minimum energy conformations of cephalosporins were obtained from the optimization of the standard molecular geometry with the semiempirical self-consistent field molecular orbital calculation AM1 method; Mont Carlo method was used to calculate the polar molecular surface areas; the stepwise multiple regression analysis was used to obtain the correlation equations.
Results: The plasma protein binding rate of cephalosporins (fb) was well correlated with their molecular weights (MW) and surface areas of hydrogen-bonding donors (SH). The regression equation was: fb=0.5057+2.861x10(-3) MW-0.1572SH+4.714x10(-3) SH2(n=22, r=0.9042).
Conclusion: Plasma protein binding of cephalosporins is closely related with their lipophilicity and hydrogen- bonding potential. The plasma protein binding rate of cephalosporins can be predicted from their molecular weights and surface areas of hydrogen-bonding donors.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.3785/j.issn.1008-9292.2007.04.014 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
The PROPHECI trial: a phase II, double-blind, placebo-controlled, randomized clinical trial for the treatment of pseudoxanthoma elasticum with oral pyrophosphate.
Trials
January 2025
Université Côte d'Azur, CNRS, LP2M, Nice, France.
Background: /aims. Pseudoxanthoma Elasticum (PXE, OMIM 264800) is an autosomal, recessive, metabolic disorder characterized by progressive ectopic calcification in the skin, the vasculature and Bruch's membrane. Variants in the ABCC6 gene are associated with low plasma pyrophosphate (PPi) concentration.
View Article and Find Full Text PDFλ-cyhalothrin induced sex-specific inflammation, glia activation and GABAergic interneuron disruption in the hippocampus of rats.
BMC Pharmacol Toxicol
January 2025
Department of Anatomy, College of Health Sciences, University of Ilorin, Ilorin, 240003, Nigeria.
Background: Glia mediated neuroinflammation and degeneration of inhibitory GABAergic interneurons are some of the hall marks of pyrethroid neurotoxicity. Here we investigated the sex specific responses of inflammatory cytokines, microglia, astrocyte and parvalbumin positive inhibitory GABAergic interneurons to λ-cyhalothrin (LCT) exposures in rats.
Methods: Equal numbers of male and female rats were given oral corn oil, 2 mg/kg.
Defective Slc7a7 transport reduces erythropoietin compromising erythropoiesis.
Mol Med
January 2025
Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.
Background: Lysinuric protein intolerance is a rare autosomal disorder caused by mutations in the Slc7a7 gene that lead to impaired transport of neutral and basic amino acids. The gold standard treatment for lysinuric protein intolerance involves a low-protein diet and citrulline supplementation. While this approach partially improves cationic amino acid plasma levels and alleviates some symptoms, long-term treatment is suggested to be detrimental and may lead to life-threatening complications characterized by a wide range of hematological and immunological abnormalities.
View Article and Find Full Text PDFInfluence of the metabolic control in patients with type 1 diabetes on their oral health status and the need for orthodontic treatment in a group of Spanish children (aged 6-12 years): a cross-sectional study.
BMC Oral Health
January 2025
Department of Surgery, Faculty of Medicine, University of Salamanca, Salamanca, Spain.
Background: The aim of this study was to analyze the influence of good metabolic control, based on glycosylated hemoglobin (HbA1c) levels, on oral health status and the need for orthodontic treatment in children.
Methods: This cross-sectional study was carried out at the Dental Clinic of the University of Salamanca (Spain) during the years 2020 and 2024. A total of 260 children with type 1 diabetes (aged between 6 and 12 years) participated.
The question of strains in AA amyloidosis.
Sci Rep
January 2025
Department of Immunology, Genetics and Pathology, Uppsala University, Rudbeck Laboratory, C11, 75185, Uppsala, Sweden.
The existence of transmissible amyloid fibril strains has long intrigued the scientific community. The strain theory originates from prion disorders, but here, we provide evidence of strains in systemic amyloidosis. Human AA amyloidosis manifests as two distinct clinical phenotypes called common AA and vascular AA.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!