• Characteristics and Utility of Fundus Autofluorescence in Congenital Aniridia Using Scanning Laser Ophthalmoscopy 

      Landsend, Erlend Christoffer Sommer; Pedersen, Hilde Røgeberg; Utheim, Øygunn Aass; Rueegg, Corina Silvia; Baraas, Rigmor C.; Lagali, Neil; Bragadottir, Ragnheidur; Moe, Morten Carsten; Utheim, Tor Paaske (Peer reviewed; Journal article, 2019)
      Purpose: To investigate fundus autofluorescence (FAF) and other fundus manifestations in congenital aniridia. Methods: Fourteen patients with congenital aniridia and 14 age- and sex-matched healthy controls were examined. ...
    • Concise review: Altered versus unaltered amniotic membrane as a substrate for limbal epithelial cells 

      Utheim, Tor Paaske; Utheim, Øygunn Aass; Salvanos, Panagiotis; Jackson, Catherine; Schrader, Stefan; Geerling, Gerd; Sehic, Amer (Peer reviewed; Journal article, 2018-03-23)
      Limbal stem cell deficiency (LSCD) can result from a variety of corneal disorders, including chemical and thermal burns, infections, and autoimmune diseases. The symptoms of LSCD may include irritation, epiphora, blepharospasms, ...
    • Effects of explant size on epithelial outgrowth, thickness, stratification, ultrastructure and phenotype of cultured limbal epithelial cells 

      Utheim, Øygunn Aass; Pasovic, Lara; Ræder, Sten; Eidet, Jon Roger; Fostad, Ida; Sehic, Amer; Roald, Borghild; de la Paz, Maria Fideliz; Lyberg, Torstein; Dartt, Darlene A.; Utheim, Tor Paaske (Peer reviewed; Journal article, 2019)
      Purpose Transplantation of limbal stem cells is a promising therapy for limbal stem cell deficiency. Limbal cells can be harvested from either a healthy part of the patient’s eye or the eye of a donor. Small explants are ...
    • High Throughput Screening of Additives Using Factorial Design to Promote Survival of Stored Cultured Epithelial Sheets 

      Reppe, Sjur; Jackson, Catherine; Ringstad, Håkon; Tønseth, Kim Alexander; Bakke, Hege Gilbø; Eidet, Jon Roger; Utheim, Tor Paaske (Peer reviewed; Journal article, 2018-11-18)
      There is a need to optimize storage conditions to preserve cell characteristics during transport of cultured cell sheets from specialized culture units to distant hospitals. In this study, we aimed to explore a method to ...
    • Improvement of storage medium for cultured human retinal pigment epithelial cells using factorial design 

      Pasovic, Lara; Utheim, Tor Paaske; Reppe, Sjur; Khan, Ayyad Ahmad Zartasht; Jackson, Catherine; Thiede, Bernd; Berg, Jens Petter; Messelt, Edvard Berger; Eidet, Jon Roger (Peer reviewed; Journal article, 2018-04-09)
      Storage of human retinal pigment epithelium (hRPE) can contribute to the advancement of cell-based RPE replacement therapies. The present study aimed to improve the quality of stored hRPE cultures by identifying storage ...
    • The level of inflammatory tear cytokines is elevated in congenital Aniridia and associated with meibomian gland dysfunction 

      Landsend, Erlend Christoffer Sommer; Utheim, Øygunn Aass; Pedersen, Hilde Røgeberg; Aass, Hans Christian Dalsbotten; Lagali, Neil; Dartt, Darlene Ann; Baraas, Rigmor C.; Utheim, Tor Paaske (Peer reviewed; Journal article, 2018-04)
      Purpose: To investigate the tear cytokine profile in congenital aniridia, and correlate cytokine levels with ophthalmologic findings. Methods: We examined 35 patients with aniridia and 21 healthy controls. Tear fluid was ...
    • Proteomic and histopathological characterisation of sicca subjects and primary Sjögren’s syndrome patients reveals promising tear, saliva and extracellular vesicle disease biomarkers 

      Aqrawi, Lara Adnan; Galtung, Hilde; Guerreiro, Eduarda; Øvstebø, Reidun; Thiede, Bernd; Utheim, Tor Paaske; Chen, Xiangjun; Utheim, Øygunn Aass; Palm, Øyvind; Skarstein, Kathrine; Jensen, Janicke Liaaen (Peer reviewed; Journal article, 2019-07-31)
      Background Mononuclear cell infiltration of exocrine glands, production of Ro/SSA and La/SSB autoantibodies, along with oral and ocular dryness, are characteristic features of primary Sjögren’s syndrome (pSS). Non-SS sicca ...
    • Simple limbal epithelial transplantation: Current status and future perspectives 

      Jackson, Catherine; Ernø, Ina Myklebust; Ringstad, Håkon; Tønseth, Kim Alexander; Dartt, Darlene Ann; Utheim, Tor Paaske (Peer reviewed; Journal article, 2019-12-04)
      Damage to limbal stem cells as a result of injury or disease can lead to limbal stem cell deficiency (LSCD). This disease is characterized by decreased vision that is often painful and may progress to blindness. Clinical ...
    • Stem cell function is conserved during shortterm storage of cultured epidermal cell sheets at 12˚C 

      Ringstad, Håkon; Reppe, Sjur; Schøyen, Tine Hiorth; Tønseth, Kim Alexander; Utheim, Tor Paaske; Jackson, Catherine (Journal article; Peer reviewed, 2020)
      Transplantation of cultured epidermal cell sheets (CES) can be life-saving for patients with large area burns. CES have also been successfully used to regenerate eye and urethral epithelia in animal models. Short-term ...
    • Tear metabolomics in dry eye disease: A review 

      Yazdani, Mazyar; Elgstøen, Katja B. Prestø; Rootwelt, Helge; Shahdafar, Aboulghassem; Utheim, Øygunn Aass; Utheim, Tor Paaske (Peer reviewed; Journal article, 2019-08-01)
      Dry eye disease (DED) is a multifactorial syndrome that can be caused by alteration in the quality or quantity of the precorneal tear film. It is considered one of the most common ocular conditions leading patients to seek ...
    • Tear production levels and dry eye disease severity in a large Norwegian cohort 

      Yazdani, Mazyar; Chen, Xiangjun; Tashbayev, Behzod; Utheim, Øygunn Aass; Ræder, Sten; Lagli, Neil; Stojanovic, Aleksandar; Dartt, Darlene Ann; Utheim, Tor Paaske (Peer reviewed; Journal article, 2018)
      Purpose: To determine if the Schirmer I test (without anesthesia) cut-off value is a predictor of dry eye severity in a large Norwegian cohort of dry eye disease (DED) patients, which are grouped into six levels of tear ...