Sesselja Omarsdottir
Sesselja Omarsdottir
Associate Professor of Pharmaceutical Natural Product Chemistry, University of Iceland
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Cellular mechanisms of the anticancer effects of the lichen compound usnic acid
E Einarsdóttir, J Groeneweg, GG Björnsdóttir, G Harðardottir, ...
Planta medica 76 (10), 969-974, 2010
In vitro and in vivo immunomodulating effects of traditionally prepared extract and purified compounds from Cetraria islandica
J Freysdottir, S Omarsdottir, K Ingólfsdóttir, A Vikingsson, ES Olafsdottir
International immunopharmacology 8 (3), 423-430, 2008
Secondary metabolites from cetrarioid lichens: Chemotaxonomy, biological activities and pharmaceutical potential
M Xu, S Heidmarsson, ES Olafsdottir, R Buonfiglio, T Kogej, S Omarsdottir
Phytomedicine 23 (5), 441-459, 2016
Immunomodulating polysaccharides from the lichen Thamnolia vermicularis var. subuliformis
S Omarsdottir, J Freysdottir, ES Olafsdottir
Phytomedicine 14 (2-3), 179-184, 2007
Immunomodulating effects of lichen-derived polysaccharides on monocyte-derived dendritic cells
S Omarsdottir, ES Olafsdottir, J Freysdottir
International immunopharmacology 6 (11), 1642-1650, 2006
Immunologically active O6-branched (1» 3)-β-glucan from the lichen Thamnolia vermicularis var. subuliformis
ES Olafsdottir, S Omarsdotti, BS Paulsen, H Wagner
Phytomedicine 10 (4), 318-324, 2003
Effects of anti-proliferative lichen metabolite, protolichesterinic acid on fatty acid synthase, cell signalling and drug response in breast cancer cells
M Bessadóttir, EÁ Skúladóttir, S Gowan, S Eccles, S Ómarsdóttir, ...
Phytomedicine 21 (12), 1717-1724, 2014
Structural characterisation of a complex heteroglycan from the cyanobacterium Nostoc commune
S Jensen, BO Petersen, S Omarsdottir, BS Paulsen, JØ Duus, ...
Carbohydrate polymers 91 (1), 370-376, 2013
Rhamnopyranosylgalactofuranan, a new immunologically active polysaccharide from Thamnolia subuliformis
ES Olafsdottir, S Omarsdottir, BS Paulsen, K Jurcic, H Wagner
Phytomedicine 6 (4), 273-279, 1999
Proton-shuttling lichen compound usnic acid affects mitochondrial and lysosomal function in cancer cells
M Bessadottir, M Egilsson, E Einarsdottir, IH Magnusdottir, ...
PLoS One 7 (12), e51296, 2012
Sulphated polysaccharide from the sea cucumber Cucumaria frondosa affect maturation of human dendritic cells and their activation of allogeneic CD4 (+) T cells in vitro
V Kale, J Freysdottir, BS Paulsen, ÓH Friðjónsson, GÓ Hreggviðsson, ...
Bioactive Carbohydrates and Dietary Fibre 2 (2), 108-117, 2013
Phylum-Specific Regulation of Resistomycin Production in a Streptomyces sp. via Microbial Coculture
S Carlson, U Tanouye, S Omarsdottir, BT Murphy
Journal of natural products 78 (3), 381-387, 2015
Litorilinea aerophila gen. nov., sp. nov., an aerobic member of the class Caldilineae , phylum Chloroflexi , isolated from an intertidal hot spring
V Kale, SH Björnsdóttir, ÓH Friðjónsson, SK Pétursdóttir, S Omarsdottir, ...
International journal of systematic and evolutionary microbiology 63 (Pt_3 …, 2013
Structural characterisation of a highly branched galactomannan from the lichen Peltigera canina by methylation analysis and NMR-spectroscopy
S Omarsdottir, BO Petersen, H Barsett, BS Paulsen, JØ Duus, ...
Carbohydrate polymers 63 (1), 54-60, 2006
6-Bromoindole Derivatives from the Icelandic Marine Sponge Geodia barretti: Isolation and Anti-Inflammatory Activity
X Di, C Rouger, I Hardardottir, J Freysdottir, TF Molinski, D Tasdemir, ...
Marine drugs 16 (11), 437, 2018
Exopolysaccharides from Cyanobacterium aponinum from the Blue Lagoon in Iceland increase IL-10 secretion by human dendritic cells and their ability to reduce the IL-17+ RORγt+ …
AB Gudmundsdottir, S Omarsdottir, A Brynjolfsdottir, BS Paulsen, ...
Immunology letters 163 (2), 157-162, 2015
Aqueous extracts from Menyanthes trifoliate and Achillea millefolium affect maturation of human dendritic cells and their activation of allogeneic CD4+ T cells in vitro
G Jonsdottir, S Omarsdottir, A Vikingsson, I Hardardottir, J Freysdottir
Journal of ethnopharmacology 136 (1), 88-93, 2011
Ethanol extract from birch bark (Betula pubescens) suppresses human dendritic cell mediated Th1 responses and directs it towards a Th17 regulatory response in vitro
J Freysdottir, MB Sigurpalsson, S Omarsdottir, ES Olafsdottir, ...
Immunology letters 136 (1), 90-96, 2011
Marchantin A, a macrocyclic bisbibenzyl ether, isolated from the liverwort Marchantia polymorpha, inhibits protozoal growth in vitro
S Jensen, S Omarsdottir, AG Bwalya, MA Nielsen, D Tasdemir, ...
Phytomedicine 19 (13), 1191-1195, 2012
A heteroglycan from the cyanobacterium Nostoc commune modulates LPS-induced inflammatory cytokine secretion by THP-1 monocytes through phosphorylation of ERK1/2 and Akt
A Olafsdottir, GE Thorlacius, S Omarsdottir, ES Olafsdottir, A Vikingsson, ...
Phytomedicine 21 (11), 1451-1457, 2014
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