User profiles for A Urtti
Arto UrttiUniversity of Helsinki Verified email at helsinki.fi Cited by 27471 |
Challenges and obstacles of ocular pharmacokinetics and drug delivery
A Urtti - Advanced drug delivery reviews, 2006 - Elsevier
Modern biological research has produced increasing number of promising therapeutic
possibilities for medical treatment. These include for example growth factors, monoclonal …
possibilities for medical treatment. These include for example growth factors, monoclonal …
[HTML][HTML] Pharmacokinetic aspects of retinal drug delivery
…, M Antopolsky, KS Vellonen, M Ruponen, A Urtti - Progress in retinal and …, 2017 - Elsevier
Drug delivery to the posterior eye segment is an important challenge in ophthalmology,
because many diseases affect the retina and choroid leading to impaired vision or blindness. …
because many diseases affect the retina and choroid leading to impaired vision or blindness. …
Chemical enhancement of percutaneous absorption in relation to stratum corneum structural alterations
TM Suhonen, JA Bouwstra, A Urtti - Journal of controlled release, 1999 - Elsevier
The outermost layer of the skin, stratum corneum (SC), provides an outstanding barrier
against the external environment and is also responsible for skin impermeability toward most …
against the external environment and is also responsible for skin impermeability toward most …
[HTML][HTML] Nanofibrillar cellulose hydrogel promotes three-dimensional liver cell culture
…, O Ikkala, A Laukkanen, A Urtti… - Journal of controlled …, 2012 - Elsevier
Over the recent years, various materials have been introduced as potential 3D cell culture
scaffolds. These include protein extracts, peptide amphiphiles, and synthetic polymers. …
scaffolds. These include protein extracts, peptide amphiphiles, and synthetic polymers. …
Microemulsions for topical delivery of estradiol
…, J Kiesvaara, TM Suhonen, A Urtti - International journal of …, 2003 - Elsevier
Estradiol has been widely used for the treatment of hormonal insufficiencies. Due to its extensive
first pass metabolism after oral administration, transdermal administration of estradiol in …
first pass metabolism after oral administration, transdermal administration of estradiol in …
Ocular absorption following topical delivery
K Järvinen, T Järvinen, A Urtti - Advanced drug delivery reviews, 1995 - Elsevier
Most ocular diseases are treated with topical application of eyedrops. After instillation of an
eyedrop, typically less than 5% of the applied drug penetrates the cornea and reaches …
eyedrop, typically less than 5% of the applied drug penetrates the cornea and reaches …
[HTML][HTML] Interactions of polymeric and liposomal gene delivery systems with extracellular glycosaminoglycans: physicochemical and transfection studies
M Ruponen, S Ylä-Herttuala, A Urtti - Biochimica et Biophysica Acta (BBA) …, 1999 - Elsevier
Complexes of DNA with cationic lipids and cationic polymers are frequently used for gene
transfer. Extracellular interactions of the complexes with anionic glycosaminoglycans (GAGs) …
transfer. Extracellular interactions of the complexes with anionic glycosaminoglycans (GAGs) …
Characterization of paracellular and aqueous penetration routes in cornea, conjunctiva, and sclera.
…, S Auriola, K Kontturi, A Urtti - … & visual science, 1997 - iovs.arvojournals.org
PURPOSE: To characterize quantitatively the paracellular permeation routes in rabbit cornea,
conjunctiva, and sclera using polyethylene glycol (PEG) oligomers. METHODS: Corneal, …
conjunctiva, and sclera using polyethylene glycol (PEG) oligomers. METHODS: Corneal, …
Drug transport in corneal epithelium and blood–retina barrier: emerging role of transporters in ocular pharmacokinetics
E Mannermaa, KS Vellonen, A Urtti - Advanced drug delivery reviews, 2006 - Elsevier
Corneal epithelium and blood–retina barrier (ie retinal capillaries and retinal pigment
epithelium (RPE)) are the key membranes that regulate the access of xenobiotics into the ocular …
epithelium (RPE)) are the key membranes that regulate the access of xenobiotics into the ocular …
Pharmacokinetic role of L-type amino acid transporters LAT1 and LAT2
LAT1 and LAT2 are heterodimeric large amino acid transporters that are expressed in various
tissues, including the intestinal wall, blood–brain barrier, and kidney. These transporters …
tissues, including the intestinal wall, blood–brain barrier, and kidney. These transporters …