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J. Ólafsson · SciRah

Researcher profile · Semantic Scholar

J. Ólafsson

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J. Ólafsson — researcher profile on SciRah

h-index: 27
Works: 58
Citations: 4,673

Most-cited papers

Genetic determinants of hair, eye and skin pigmentation in Europeans
P. Sulem, D. Gudbjartsson, S. Stacey, Agnar Helgason +21 more
2007Nature Genetics760 citations
Semantic Scholar
Sequence variants at the TERT- CLPTM1L locus associate with many cancer types
T. Rafnar, P. Sulem, S. Stacey, F. Geller +81 more
2009Nature Genetics641 citations Open access
Semantic Scholar
Parental origin of sequence variants associated with complex diseases
A. Kong, V. Steinthorsdottir, G. Másson, G. Thorleifsson +25 more
2009Nature595 citations Open access
Semantic Scholar
Two newly identified genetic determinants of pigmentation in Europeans
P. Sulem, D. Gudbjartsson, S. Stacey, Agnar Helgason +21 more
2008Nature Genetics369 citations
Semantic Scholar
ASIP and TYR pigmentation variants associate with cutaneous melanoma and basal cell carcinoma
D. Gudbjartsson, P. Sulem, S. Stacey, A. Goldstein +34 more
2008Nature Genetics354 citations
Semantic Scholar
New common variants affecting susceptibility to basal cell carcinoma
S. Stacey, P. Sulem, G. Másson, S. A. Gudjonsson +60 more
2009Nature Genetics327 citations Open access
Semantic Scholar
A germline variant in the TP53 polyadenylation signal confers cancer susceptibility
S. Stacey, P. Sulem, Á. Jónasdóttir, G. Másson +99 more
2011Nature Genetics293 citations Open access
Semantic Scholar
A variant in FTO shows association with melanoma risk not due to BMI
M. Iles, M. Law, S. Stacey, Jia-Li Han +86 more
2013Nature Genetics129 citations Open access
Semantic Scholar
Common variants on 1p36 and 1q42 are associated with cutaneous basal cell carcinoma but not with melanoma or pigmentation traits
S. Stacey, D. Gudbjartsson, P. Sulem, J. Bergthórsson +42 more
2008Nature Genetics124 citations
Semantic Scholar
Improvement of Psoriasis after Tonsillectomy Is Associated with a Decrease in the Frequency of Circulating T Cells That Recognize Streptococcal Determinants and Homologous Skin Determinants
R. H. Thorleifsdottir, S. Sigurdardottir, B. Sigurgeirsson, J. Ólafsson +6 more
2012Journal of Immunology110 citations
Semantic Scholar
A melanoma epidemic in Iceland: possible influence of sunbed use.
C. Héry, L. Tryggvadottir, T. Sigurdsson, E. Ólafsdóttir +7 more
2010American Journal of Epidemiology94 citations Open access
Semantic Scholar
Studies on histamine metabolism in mastocytosis.
G. Granérus, J. Ólafsson, G. Roupe
1983Journal of Investigative Dermatology75 citations Open access
Semantic Scholar
New basal cell carcinoma susceptibility loci
S. Stacey, H. Helgason, S. A. Gudjonsson, G. Thorleifsson +39 more
2015Nature Communications67 citations Open access
Semantic Scholar
Single Dose Azithromycin Treatment of Gonorrhea and Infections Caused by C. trachomatis and U. urealyticum in Men
Ölafur Steingrímsson, J. Ólafsson, H. Thorarinsson, R. Ryan +2 more
1994Sexually Transmitted Diseases61 citations Open access
Semantic Scholar
The bone marrow in urticaria pigmentosa and systemic mastocytosis. Cell composition and mast cell density in relation to urinary excretion of tele-methylimidazoleacetic acid.
B. Ridell, J. Ólafsson, Gösta Roupe, Birgitta Swolin +3 more
1986Archives of Dermatology51 citations
Semantic Scholar
Risk factors for cutaneous malignant melanoma among aircrews and a random sample of the population
V. Rafnsson, J. Hrafnkelsson, H. Tulinius, B. Sigurgeirsson +1 more
2003Occupational and Environmental Medicine50 citations Open access
Semantic Scholar
Germline sequence variants in TGM3 and RGS22 confer risk of basal cell carcinoma
S. Stacey, P. Sulem, D. Gudbjartsson, Á. Jónasdóttir +31 more
2014Human Molecular Genetics48 citations Open access
Semantic Scholar
Cyclodextrins: new drug delivery systems in dermatology
Thorsteinn Loftsson MScPharm, J. Ólafsson
1998International Journal of Dermatology47 citations
Semantic Scholar
Throat infections are associated with exacerbation in a substantial proportion of patients with chronic plaque psoriasis
R. H. Thorleifsdottir, J. H. Eysteinsdóttir, J. Ólafsson, M. Sigurdsson +3 more
2016Acta Dermato-Venereologica42 citations Open access
Semantic Scholar
Patient-reported Outcomes and Clinical Response in Patients with Moderate-to-severe Plaque Psoriasis Treated with Tonsillectomy: A Randomized Controlled Trial.
R. H. Thorleifsdottir, S. Sigurdardottir, B. Sigurgeirsson, J. Ólafsson +5 more
2017Acta Dermato-Venereologica41 citations Open access
Semantic Scholar
Genome-wide meta-analysis identifies eight new susceptibility loci for cutaneous squamous cell carcinoma
K. Sarin, Yuan Lin, R. Daneshjou, A. Ziyatdinov +18 more
2020Nature Communications38 citations Open access
Semantic Scholar
Psoriasis treatment: faster and long‐standing results after bathing in geothermal seawater. A randomized trial of three UVB phototherapy regimens
Jenna Huld Eysteinsdóttir, J. Ólafsson, B. Agnarsson, B. R. Lúðvíksson +1 more
2014Photodermatology, Photoimmunology & Photomedicine35 citations Open access
Semantic Scholar
Association of BRCA2 K3326* With Small Cell Lung Cancer and Squamous Cell Cancer of the Skin
T. Rafnar, Gudbjorg R Sigurjonsdottir, S. Stacey, G. Halldorsson +38 more
2018Journal of the National Cancer Institute32 citations Open access
Semantic Scholar
Improved acitretin delivery through hairless mouse skin by cyclodextrin complexation
T. Loftsson, A. Sigurdardóttir, J. Ólafsson
199532 citations
Semantic Scholar
Dermal mast cells in mastocytosis: fixation, distribution and quantitation.
J. Ólafsson, Gösta Roupe, L. Enerbäck
1986Acta Dermato-Venereologica32 citations Open access
Semantic Scholar
Treatment of chronic urticaria with PUVA or UVA plus placebo: A double-blind study
J. Ólafsson, O. Larkö, G. Roupe, G. Granérus +1 more
2004Archives of Dermatological Research29 citations
Semantic Scholar
HLA-Cw6 homozygosity in plaque psoriasis is associated with streptococcal throat infections and pronounced improvement after tonsillectomy: A prospective case series
R. H. Thorleifsdottir, S. Sigurdardottir, B. Sigurgeirsson, J. Ólafsson +5 more
2016Journal of American Academy of Dermatology28 citations Open access
Semantic Scholar
Loss-of-Function Variants in the Tumor-Suppressor Gene PTPN14 Confer Increased Cancer Risk
T. Ólafsdóttir, S. Stacey, G. Sveinbjornsson, G. Thorleifsson +35 more
2021Cancer Research23 citations Open access
Semantic Scholar
Fourteen sequence variants that associate with multiple sclerosis discovered by meta-analysis informed by genetic correlations
S. Olafsson, P. Stridh, S. Bos, A. Ingason +49 more
2017npj Genomic Medicine22 citations Open access
Semantic Scholar
Keratinocytes secrete multiple inflammatory and immune biomarkers, which are regulated by LL‐37, in a psoriasis mimicking microenvironment
H. Sigurgrímsdóttir, Eva Ösp Björnsdóttir, J. H. Eysteinsdóttir, J. Ólafsson +5 more
2021Scandinavian Journal of Immunology17 citations Open access
Semantic Scholar
Comparison of Roche Cobas Amplicor and Abbott LCx for the Rapid Detection of Chlamydia trachomatis in Specimens From High‐Risk Patients
Ó. Steingrímsson, K. Jónsdóttir, J. Ólafsson, S. Karlsson +2 more
1998Sexually Transmitted Diseases17 citations Open access
Semantic Scholar
Fatty Acid Extract From Cod‐liver Oil: Activity Against Herpes Simplex Virus and Enhancement of Transdermal Delivery of Acyclovir In‐vitro
T. Loftsson, H. Thormar, J. Ólafsson, T. Gunnarsdóttir +2 more
199813 citations
Semantic Scholar
Cutaneous and systemic mastocytosis in adults. A clinical, histopathological and immunological evaluation in relation to histamine metabolism.
J. Ólafsson
1985Acta Dermato-Venereologica Supplementum13 citations
Semantic Scholar
Antibiotic and Antifungal Therapies in Dermatology
J. Ólafsson, R. Hay
201612 citations
Semantic Scholar
Basophil/mast cell precursors in mast cell proliferative disorders.
J. Denburg, S. Telizyn, S. Ahlstedt, J. Ólafsson +2 more
1986Clinical and investigative medicine. Medecine clinique et experimentale12 citations
Semantic Scholar
Risk factors for malignant melanoma in an Icelandic population sample.
V. Rafnsson, J. Hrafnkelsson, H. Tulinius, B. Sigurgeirsson +1 more
2004Preventive Medicine10 citations
Semantic Scholar
Treatment of two mastocytosis patients with a histidine decarboxylase inhibitor
G. Granérus, J. Ólafsson, G. Roupe
1985Agents and Actions9 citations
Semantic Scholar
Effective treatment with balneophototherapy and narrowband UVB monotherapy reduces skin homing Th17/Tc17 and Th22/Tc22 effector cells in peripheral blood in patients with psoriasis.
J. H. Eysteinsdóttir, H. Sigurgrímsdóttir, H. Einarsdóttir, J. Freysdottir +4 more
2019Journal of dermatological science (Amsterdam)6 citations
Semantic Scholar
Clinical research (observations, pathophysiology & outcomes).
R. H. Thorleifsdottir, Jenna Huld Eysteinsdóttir, J. Ólafsson, M. Sigurdsson +3 more
2015Journal of Investigative Dermatology5 citations Open access
Semantic Scholar
The Blue Lagoon and Psoriasis
B. Sigurgeirsson, J. Ólafsson
20035 citations
Semantic Scholar
Corrigendum: ASIP and TYR pigmentation variants associate with cutaneous melanoma and basal cell carcinoma
D. Gudbjartsson, P. Sulem, S. Stacey, A. Goldstein +34 more
2008Nature Genetics4 citations Open access
Semantic Scholar
Suppression of T lymphocyte mitogen response in patients with mastocytosis.
J. Ólafsson, G. Granérus, L. Lindholm, G. Roupe
1985International Archives of Allergy and Applied Immunology3 citations
Semantic Scholar
HLA and lymphocyte histamine sensitivity in mastocytosis.
J. Ólafsson, Gösta Roupe, L. Rydberg
1985International Archives of Allergy and Applied Immunology2 citations
Semantic Scholar
Effect of antihistamins (H1 and H2), cortisone and beta-adrenergic stimulator on murine contact sensitivity and histamine metabolism.
J. Ólafsson, G. Granérus, G. Roupe
1983International Archives of Allergy and Applied Immunology2 citations
Semantic Scholar
Autologous Serum for the Treatment of Ocular Surface Disease
J. Ólafsson
20191 citations
Semantic Scholar
[Clear skies in Iceland? ].
J. Ólafsson
2011Icelandic Medical Journal1 citations
Semantic Scholar
[Dermatitis in cats and humans caused by Cheyletiella mites reported in Iceland.].
K. Skírnisson, J. Ólafsson, H. Finnsdóttir
1997Icelandic Medical Journal1 citations
Semantic Scholar
Effect of various marine lipids on transdermal drug delivery--in vitro evaluation.
T. Loftsson, T. Gunnarsdóttir, L. Magnúsdóttir, H. Frioriksdóttir +5 more
1997Bollettino chimico farmaceutico1 citations
Semantic Scholar
Fourteen sequence variants that associate with multiple sclerosis discovered by meta-analysis informed by genetic correlations
S. Olafsson, P. Stridh, S. Bos, A. Ingason +49 more
2017npj Genomic Medicine0 citations Open access
Semantic Scholar
Homologous Skin Determinants Recognize Streptococcal Determinants and Frequency of Circulating T Cells That Is Associated with a Decrease in the Improvement of Psoriasis after Tonsillectomy
R. H. Thorleifsdottir, S. Sigurdardottir, B. Sigurgeirsson, J. Ólafsson +6 more
20120 citations
Semantic Scholar

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