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Endoscopic observations as a tool to define underlying pathology in kidney stone formers.

Pless MS, Williams JC Jr, Andreassen KH, Jung HU, Osther SS, Christensen DR, Osther PJS.

World J Urol. 2019 Jan 4. doi: 10.1007/s00345-018-02616-3. [Epub ahead of print]


Shallow carbon storage in ancient buried thermokarst in the South Kara Sea.

Portnov A, Mienert J, Winsborrow M, Andreassen K, Vadakkepuliyambatta S, Semenov P, Gataullin V.

Sci Rep. 2018 Sep 25;8(1):14342. doi: 10.1038/s41598-018-32826-z.


Evaluation of ureteral lesions in ureterorenoscopy: impact of access sheath use.

Lildal SK, Andreassen KH, Jung H, Pedersen MR, Osther PJS.

Scand J Urol. 2018 Apr;52(2):157-161. doi: 10.1080/21681805.2018.1430705. Epub 2018 Feb 1.


Gas hydrate dissociation off Svalbard induced by isostatic rebound rather than global warming.

Wallmann K, Riedel M, Hong WL, Patton H, Hubbard A, Pape T, Hsu CW, Schmidt C, Johnson JE, Torres ME, Andreassen K, Berndt C, Bohrmann G.

Nat Commun. 2018 Jan 8;9(1):83. doi: 10.1038/s41467-017-02550-9.


Postglacial response of Arctic Ocean gas hydrates to climatic amelioration.

Serov P, Vadakkepuliyambatta S, Mienert J, Patton H, Portnov A, Silyakova A, Panieri G, Carroll ML, Carroll J, Andreassen K, Hubbard A.

Proc Natl Acad Sci U S A. 2017 Jun 13;114(24):6215-6220. doi: 10.1073/pnas.1619288114. Epub 2017 Jun 5.


Massive blow-out craters formed by hydrate-controlled methane expulsion from the Arctic seafloor.

Andreassen K, Hubbard A, Winsborrow M, Patton H, Vadakkepuliyambatta S, Plaza-Faverola A, Gudlaugsson E, Serov P, Deryabin A, Mattingsdal R, Mienert J, Bünz S.

Science. 2017 Jun 2;356(6341):948-953. doi: 10.1126/science.aal4500.


The Dual Amylin- and Calcitonin-Receptor Agonist KBP-042 Works as Adjunct to Metformin on Fasting Hyperglycemia and HbA1c in a Rat Model of Type 2 Diabetes.

Hjuler ST, Gydesen S, Andreassen KV, Karsdal MA, Henriksen K.

J Pharmacol Exp Ther. 2017 Jul;362(1):24-30. doi: 10.1124/jpet.117.241281. Epub 2017 Apr 24.


Histopathological correlations to ureteral lesions visualized during ureteroscopy.

Lildal SK, Sørensen FB, Andreassen KH, Christiansen FE, Jung H, Pedersen MR, Osther PJS.

World J Urol. 2017 Oct;35(10):1489-1496. doi: 10.1007/s00345-017-2035-3. Epub 2017 Apr 12.


Optimization of tolerability and efficacy of the novel dual amylin and calcitonin receptor agonist KBP-089 through dose escalation and combination with a GLP-1 analog.

Gydesen S, Andreassen KV, Hjuler ST, Hellgren LI, Karsdal MA, Henriksen K.

Am J Physiol Endocrinol Metab. 2017 Nov 1;313(5):E598-E607. doi: 10.1152/ajpendo.00419.2016. Epub 2017 Mar 14.


A novel dual amylin and calcitonin receptor agonist, KBP-089, induces weight loss through a reduction in fat, but not lean mass, while improving food preference.

Gydesen S, Hjuler ST, Freving Z, Andreassen KV, Sonne N, Hellgren LI, Karsdal MA, Henriksen K.

Br J Pharmacol. 2017 Apr;174(7):591-602. doi: 10.1111/bph.13723. Epub 2017 Feb 15.


Ureteral Access Sheath Influence on the Ureteral Wall Evaluated by Cyclooxygenase-2 and Tumor Necrosis Factor-α in a Porcine Model.

Lildal SK, Nørregaard R, Andreassen KH, Christiansen FE, Jung H, Pedersen MR, Osther PJ.

J Endourol. 2017 Mar;31(3):307-313. doi: 10.1089/end.2016.0773. Epub 2017 Jan 24.


Pharmacological Relaxation of the Ureter When Using Ureteral Access Sheaths during Ureterorenoscopy: A Randomized Feasibility Study in a Porcine Model.

Lildal SK, Andreassen KH, Christiansen FE, Jung H, Pedersen MR, Osther PJ.

Adv Urol. 2016;2016:8064648. Epub 2016 Oct 20.


First clinical evaluation of a new single-use flexible ureteroscope (LithoVue™): a European prospective multicentric feasibility study.

Doizi S, Kamphuis G, Giusti G, Andreassen KH, Knoll T, Osther PJ, Scoffone C, Pérez-Fentes D, Proietti S, Wiseman O, de la Rosette J, Traxer O.

World J Urol. 2017 May;35(5):809-818. doi: 10.1007/s00345-016-1936-x. Epub 2016 Sep 26.


Recurrent Pure Calcite Urolithiasis Confirmed by Endoscopic Removal and Infrared Spectroscopy in a Malnourished Anorectic Female.

Christiansen FE, Andreassen KH, Sloth Osther PJ.

J Endourol Case Rep. 2016 Apr 1;2(1):62-4. doi: 10.1089/cren.2016.0036. eCollection 2016.


Novel Hydraulic Vulnerability Proxies for a Boreal Conifer Species Reveal That Opportunists May Have Lower Survival Prospects under Extreme Climatic Events.

Rosner S, Světlík J, Andreassen K, Børja I, Dalsgaard L, Evans R, Luss S, Tveito OE, Solberg S.

Front Plant Sci. 2016 Jun 9;7:831. doi: 10.3389/fpls.2016.00831. eCollection 2016.


The dual amylin- and calcitonin-receptor agonist KBP-042 increases insulin sensitivity and induces weight loss in rats with obesity.

Hjuler ST, Gydesen S, Andreassen KV, Pedersen SL, Hellgren LI, Karsdal MA, Henriksen K.

Obesity (Silver Spring). 2016 Aug;24(8):1712-22. doi: 10.1002/oby.21563. Epub 2016 Jun 14.


KBP-088, a novel DACRA with prolonged receptor activation, is superior to davalintide in terms of efficacy on body weight.

Gydesen S, Andreassen KV, Hjuler ST, Christensen JM, Karsdal MA, Henriksen K.

Am J Physiol Endocrinol Metab. 2016 May 15;310(10):E821-7. doi: 10.1152/ajpendo.00514.2015. Epub 2016 Feb 23.


Low cost of gastric acid secretion during digestion in ball pythons.

Nørgaard S, Andreassen K, Malte CL, Enok S, Wang T.

Comp Biochem Physiol A Mol Integr Physiol. 2016 Apr;194:62-6. doi: 10.1016/j.cbpa.2016.01.003. Epub 2016 Jan 21.


How should patients with cystine stone disease be evaluated and treated in the twenty-first century?

Andreassen KH, Pedersen KV, Osther SS, Jung HU, Lildal SK, Osther PJ.

Urolithiasis. 2016 Feb;44(1):65-76. doi: 10.1007/s00240-015-0841-x. Epub 2015 Nov 27. Review.


Pathophysiological aspects of ureterorenoscopic management of upper urinary tract calculi.

Osther PJ, Pedersen KV, Lildal SK, Pless MS, Andreassen KH, Osther SS, Jung HU.

Curr Opin Urol. 2016 Jan;26(1):63-9. doi: 10.1097/MOU.0000000000000235. Review.


Internal Structure of Kidney Calculi as a Predictor for Shockwave Lithotripsy Success.

Christiansen FE, Andreassen KH, Osther SS, Osther PJ.

J Endourol. 2016 Mar;30(3):323-6. doi: 10.1089/end.2015.0616. Epub 2015 Dec 11.


KBP-042 improves bodyweight and glucose homeostasis with indices of increased insulin sensitivity irrespective of route of administration.

Hjuler ST, Andreassen KV, Gydesen S, Karsdal MA, Henriksen K.

Eur J Pharmacol. 2015 Sep 5;762:229-38. doi: 10.1016/j.ejphar.2015.05.051. Epub 2015 May 28.


Oral salmon calcitonin enhances insulin action and glucose metabolism in diet-induced obese streptozotocin-diabetic rats.

Feigh M, Hjuler ST, Andreassen KV, Gydesen S, Ottosen I, Henriksen JE, Beck-Nielsen H, Christiansen C, Karsdal MA, Henriksen K.

Eur J Pharmacol. 2014 Aug 15;737:91-6. doi: 10.1016/j.ejphar.2014.05.016. Epub 2014 May 22.


A novel oral dual amylin and calcitonin receptor agonist (KBP-042) exerts antiobesity and antidiabetic effects in rats.

Andreassen KV, Feigh M, Hjuler ST, Gydesen S, Henriksen JE, Beck-Nielsen H, Christiansen C, Karsdal MA, Henriksen K.

Am J Physiol Endocrinol Metab. 2014 Jul 1;307(1):E24-33. doi: 10.1152/ajpendo.00121.2014. Epub 2014 May 6.


Prolonged calcitonin receptor signaling by salmon, but not human calcitonin, reveals ligand bias.

Andreassen KV, Hjuler ST, Furness SG, Sexton PM, Christopoulos A, Nosjean O, Karsdal MA, Henriksen K.

PLoS One. 2014 Mar 18;9(3):e92042. doi: 10.1371/journal.pone.0092042. eCollection 2014.


Oral salmon calcitonin protects against impaired fasting glycemia, glucose intolerance, and obesity induced by high-fat diet and ovariectomy in rats.

Feigh M, Andreassen KV, Hjuler ST, Nielsen RH, Christiansen C, Henriksen K, Karsdal MA.

Menopause. 2013 Jul;20(7):785-94. doi: 10.1097/GME.0b013e31827c58ab.


Investigation of six testicular germ cell tumor susceptibility genes suggests a parent-of-origin effect in SPRY4.

Karlsson R, Andreassen KE, Kristiansen W, Aschim EL, Bremnes RM, Dahl O, Fosså SD, Klepp O, Langberg CW, Solberg A, Tretli S, Magnusson PK, Adami HO, Haugen TB, Grotmol T, Wiklund F.

Hum Mol Genet. 2013 Aug 15;22(16):3373-80. doi: 10.1093/hmg/ddt188. Epub 2013 May 2.


Genetic variation in AKT1, PTEN and the 8q24 locus, and the risk of testicular germ cell tumor.

Andreassen KE, Kristiansen W, Karlsson R, Aschim EL, Dahl O, Fosså SD, Adami HO, Wiklund F, Haugen TB, Grotmol T.

Hum Reprod. 2013 Jul;28(7):1995-2002. doi: 10.1093/humrep/det127. Epub 2013 May 2.


Future detection and monitoring of diabetes may entail analysis of both β-cell function and volume: how markers of β-cell loss may assist.

Neutzsky-Wulff AV, Andreassen KV, Hjuler ST, Feigh M, Bay-Jensen AC, Zheng Q, Henriksen K, Karsdal MA.

J Transl Med. 2012 Oct 30;10:214. doi: 10.1186/1479-5876-10-214.


The inhibitory effect of salmon calcitonin on tri-iodothyronine induction of early hypertrophy in articular cartilage.

Chen-An P, Andreassen KV, Henriksen K, Li Y, Karsdal MA, Bay-Jensen AC.

PLoS One. 2012;7(6):e40081. doi: 10.1371/journal.pone.0040081. Epub 2012 Jun 29.


A specific subtype of osteoclasts secretes factors inducing nodule formation by osteoblasts.

Henriksen K, Andreassen KV, Thudium CS, Gudmann KN, Moscatelli I, Crüger-Hansen CE, Schulz AS, Dziegiel MH, Richter J, Karsdal MA, Neutzsky-Wulff AV.

Bone. 2012 Sep;51(3):353-61. doi: 10.1016/j.bone.2012.06.007. Epub 2012 Jun 19.


Oral salmon calcitonin attenuates hyperglycaemia and preserves pancreatic beta-cell area and function in Zucker diabetic fatty rats.

Feigh M, Andreassen KV, Neutzsky-Wulff AV, Petersen ST, Hansen C, Bay-Jensen AC, Henriksen JE, Beck-Nielsen H, Christiansen C, Henriksen K, Karsdal MA.

Br J Pharmacol. 2012 Sep;167(1):151-63. doi: 10.1111/j.1476-5381.2012.01979.x.


Investigation of chondrocyte hypertrophy and cartilage calcification in a full-depth articular cartilage explants model.

Chen-An P, Andreassen KV, Henriksen K, Karsdal MA, Bay-Jensen AC.

Rheumatol Int. 2013 Feb;33(2):401-11. doi: 10.1007/s00296-012-2368-6. Epub 2012 Mar 28.


Gene variations in sex hormone pathways and the risk of testicular germ cell tumour: a case-parent triad study in a Norwegian-Swedish population.

Kristiansen W, Andreassen KE, Karlsson R, Aschim EL, Bremnes RM, Dahl O, Fosså SD, Klepp O, Langberg CW, Solberg A, Tretli S, Adami HO, Wiklund F, Grotmol T, Haugen TB.

Hum Reprod. 2012 May;27(5):1525-35. doi: 10.1093/humrep/des075. Epub 2012 Mar 8.


Glucocorticoids exert context-dependent effects on cells of the joint in vitro.

Madsen SH, Andreassen KV, Christensen ST, Karsdal MA, Sverdrup FM, Bay-Jensen AC, Henriksen K.

Steroids. 2011 Dec 11;76(13):1474-82. doi: 10.1016/j.steroids.2011.07.018. Epub 2011 Aug 10.


Risk of metachronous contralateral testicular germ cell tumors: a population-based study of 7,102 Norwegian patients (1953-2007).

Andreassen KE, Grotmol T, Cvancarova MS, Johannesen TB, Fosså SD.

Int J Cancer. 2011 Dec 15;129(12):2867-74. doi: 10.1002/ijc.25943. Epub 2011 May 28.


A novel oral form of salmon calcitonin improves glucose homeostasis and reduces body weight in diet-induced obese rats.

Feigh M, Henriksen K, Andreassen KV, Hansen C, Henriksen JE, Beck-Nielsen H, Christiansen C, Karsdal MA.

Diabetes Obes Metab. 2011 Oct;13(10):911-20. doi: 10.1111/j.1463-1326.2011.01425.x.


[Non-traumatic shoulder pain].

Andreassen K.

Tidsskr Nor Laegeforen. 2011 Mar 4;131(5):442; author reply 442. doi: 10.4045/tidsskr.11.0125. Norwegian. No abstract available.


[Vertical MR machines].

Andreassen K.

Tidsskr Nor Laegeforen. 2011 Mar 4;131(5):442-3. doi: 10.4045/tidsskr.10.1453. Norwegian. No abstract available.


[Neck-arm pain].

Andreassen K.

Tidsskr Nor Laegeforen. 2011 Mar 4;131(5):441; author reply 441. doi: 10.4045/tidsskr.11.0038. Norwegian. No abstract available.


[Elective stent treatment of abdominal aortic aneurysm].

Dahl PE, Singh K, Busund R, Kumar S, Andreassen K, Eriksen L, Johnsen LH, Solberg S.

Tidsskr Nor Laegeforen. 2003 Oct 23;123(20):2885-7. Norwegian.


T cell autoimmunity to histones and nucleosomes is a latent property of the normal immune system.

Andreassen K, Bendiksen S, Kjeldsen E, Van Ghelue M, Moens U, Arnesen E, Rekvig OP.

Arthritis Rheum. 2002 May;46(5):1270-81.


Differences in the reactivity of CD4+ T-cell lines generated against free versus nucleosome-bound SV40 large T antigen.

Bredholt G, Rekvig OP, Andreassen K, Moens U, Marion TN.

Scand J Immunol. 2001 Apr;53(4):372-80.


[The urologic specialty. The Danish Society of Urology].

Colstrup H, Andreassen KH, Graversen PH, Walter S.

Ugeskr Laeger. 2001 Mar 19;163(12):1694. Danish. No abstract available.


Tiaprofenic acid-induced cystitis--three cases and a literature review.

Andreassen KH, Eldrup J, Hansen RI, Oster S.

Scand J Urol Nephrol. 1999 Dec;33(6):408-10. Review.


T cell lines specific for polyomavirus T-antigen recognize T-antigen complexed with nucleosomes: a molecular basis for anti-DNA antibody production.

Andreassen K, Bredholt G, Moens U, Bendiksen S, Kauric G, Rekvig OP.

Eur J Immunol. 1999 Sep;29(9):2715-28.


[Tiaprofenic acid (Surgamyl) can cause severe chronic cystitis].

Andreassen KH, Eldrup J, Hansen RI.

Ugeskr Laeger. 1998 Aug 31;160(36):5216. Danish. No abstract available.


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