Browsing Bergen Open Research Archive by Author "Kellmann, Ralf"
Now showing items 1-5 of 5
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Bedtime Salivary Cortisol as a Screening Test for Cushing Syndrome in Children
Ueland, Grethe Åstrøm; Kellmann, Ralf; Davidsen, Melissa Jørstad; Viste, Kristin; Husebye, Eystein Sverre; Almås, Bjørg; Storr, Helen L.; Sagen, Jørn Vegard; Mellgren, Gunnar; Juliusson, Pétur Benedikt; Methlie, Paal (Journal article; Peer reviewed, 2021)Background Diagnosing Cushing syndrome (CS) can be challenging. The 24-hour urine free cortisol (UFC) measurement is considered gold standard. This is a laborious test, dependent on correct urine collection. Late-night ... -
Characterisation of the paralytic shellfish toxin biosynthesis gene clusters in Anabaena circinalis AWQC131C and Aphanizomenon sp. NH-5
Mihali, Troco Kaan; Kellmann, Ralf; Neilan, Brett A. (Peer reviewed; Journal article, 2009-03-30)Background: Saxitoxin and its analogues collectively known as the paralytic shellfish toxins (PSTs) are neurotoxic alkaloids and are the cause of the syndrome named paralytic shellfish poisoning. PSTs are produced by a ... -
Discovery of Nuclear-Encoded Genes for the Neurotoxin Saxitoxin in Dinoflagellates
Stüken, Anke; Orr, Russell J. S.; Kellmann, Ralf; Murray, Shauna A.; Neilan, Brett A.; Jakobsen, Kjetill S. (Peer reviewed; Journal article, 2011-05-18)Saxitoxin is a potent neurotoxin that occurs in aquatic environments worldwide. Ingestion of vector species can lead to paralytic shellfish poisoning, a severe human illness that may lead to paralysis and death. In ... -
Low β2-adrenergic receptor level may promote development of castration resistant prostate cancer and altered steroid metabolism
Braadland, Peder; Grytli, Helene Hartvedt; Ramberg, Håkon Andre; Katz, Betina; Kellmann, Ralf; Gauthier-Landry, louis; Fazli, Ladan; Krobert, Kurt Allen; Wang, Wanzhong; Levy, Finn Olav; Bjartell, Anders; Berge, Viktor; Rennie, Paul S.; Mellgren, Gunnar; Mælandsmo, Gunhild; Svindland, Aud; Barbier, Olivier; Tasken, Kristin Austlid (Peer reviewed; Journal article, 2016-12-04)The underlying mechanisms responsible for the development of castration-resistant prostate cancer (CRPC) in patients who have undergone androgen deprivation therapy are not fully understood. This is the first study to ... -
On the chemistry, toxicology and genetics of the cyanobacterial toxins, microcystin, nodularin, saxitoxin and cylindrospermopsin
Pearson, Leanne; Mihali, Troco K.; Moffitt, Michelle; Kellmann, Ralf; Neilan, Brett A. (Peer reviewed; Journal article, 2010-05-10)The cyanobacteria or “blue-green algae”, as they are commonly termed, comprise a diverse group of oxygenic photosynthetic bacteria that inhabit a wide range of aquatic and terrestrial environments, and display incredible ...