Sökning: "Biofarmaci"
Visar resultat 11 - 15 av 76 avhandlingar innehållade ordet Biofarmaci.
11. Oral delivery of macromolecules formulated with permeation enhancers
Sammanfattning : Therapeutic macromolecules including peptides, proteins, and nucleotide-based ones (such as antisense oligonucleotides and RNAs) have great potential as drug candidates. One drawback is that they typically need to be administered parenterally via subcutaneous, intramuscular or intravenous injections. LÄS MER
12. Drug Transport and Metabolism in Rat and Human Intestine
Sammanfattning : One of the aims of this thesis was to investigate the involvement of efflux proteins, such as the P-glycoprotein (Pgp), in the drug transport in different regions of the rat and the human intestine. The intestinal extrusion of intracellularly formed CYP3A4 metabolites, including whether this extrusion might be mediated by Pgp, was also studied. LÄS MER
13. Microdialysis as a tool in pharmacokinetic-pharmacodynamic studies investigating the brain distribution and effect delay of morphine and morphine-6-glucuronide
Sammanfattning : The microdialysis technique was developed as a tool for studying the pharmacokinetic and pharmacodynamicrelationships of morphine and morphine-6-glucronide (M6G). Concentrations of unbound drug in blood andbrain were monitored in order to elucidate the origin of the observed delay in antinociceptive effect in rats. LÄS MER
14. Pharmacodynamic modeling of cardiovascular effects of Σb-antagonists and moxonidine : Special emphasis on tolerance and rebound effects
Sammanfattning : Pharmacodynamic (PD) modeling was used to characterize and quantify the short- and long-term changes in cardiovascular effects following treatment with β-antagonists or imidazoline receptor agonist moxonidine, in spontaneous hypertensive rats and patients with congestive heart failure, respectively. The complex cardiovascular system is regulated by several feedback mechanisms with different time domains and gains. LÄS MER
15. Cytochrome P450 enzymes in oxygenation of prostaglandin endoperoxides and arachidonic acid : Cloning, expression and catalytic properties of CYP4F8 and CYP4F21
Sammanfattning : Cytochrome P450 (P450 or CYP) is an enzyme system involved in the oxygenation of a wide range of endogenous compounds as well as foreign chemicals and drugs. This thesis describes investigations of P450-catalyzed oxygenation of prostaglandins, linoleic and arachidoniacids. LÄS MER