Original articles

Hamfjord J, Guren TK, Dajani O, Johansen JS, Glimelius B, Sorbye H, Pfeiffer P, Lingjærde OC, Tveit KM, Kure EH, Pallisgaard N, Spindler KG (2019)
Total circulating cell-free DNA as a prognostic biomarker in metastatic colorectal cancer before first-line oxaliplatin-based chemotherapy
Ann Oncol, 30 (7), 1088-1095
DOI 10.1093/annonc/mdz139, PubMed 31046124

Sternby Eilard M, Hagström H, Mortensen KE, Wilsgaard T, Vagnildhaug OM, Dajani O, Stål P, Rizell M (2017)
Quality of life as a prognostic factor for survival in hepatocellular carcinoma
Liver Int, 38 (5), 885-894
DOI 10.1111/liv.13593, PubMed 28941130

Piha-Paul SA, Munster PN, Hollebecque A, Argilés G, Dajani O, Cheng JD, Wang R, Swift A, Tosolini A, Gupta S (2015)
Results of a phase 1 trial combining ridaforolimus and MK-0752 in patients with advanced solid tumours
Eur J Cancer, 51 (14), 1865-73
DOI 10.1016/j.ejca.2015.06.115, PubMed 26199039

Gupta S, Argilés G, Munster PN, Hollebecque A, Dajani O, Cheng JD, Wang R, Swift A, Tosolini A, Piha-Paul SA (2015)
A Phase I Trial of Combined Ridaforolimus and MK-2206 in Patients with Advanced Malignancies
Clin Cancer Res, 21 (23), 5235-44
DOI 10.1158/1078-0432.CCR-15-0180, PubMed 26187616

Wesseltoft-Rao N, Hjermstad MJ, Ikdahl T, Dajani O, Ulven SM, Iversen PO, Bye A (2015)
Comparing two classifications of cancer cachexia and their association with survival in patients with unresected pancreatic cancer
Nutr Cancer, 67 (3), 472-80
DOI 10.1080/01635581.2015.1004728, PubMed 25710201

Tveteraas IH, Müller KM, Aasrum M, Ødegård J, Dajani O, Guren T, Sandnes D, Christoffersen T (2012)
Mechanisms involved in PGE2-induced transactivation of the epidermal growth factor receptor in MH1C1 hepatocarcinoma cells
J Exp Clin Cancer Res, 31, 72
DOI 10.1186/1756-9966-31-72, PubMed 22967907

Tveit KM, Guren T, Glimelius B, Pfeiffer P, Sorbye H, Pyrhonen S, Sigurdsson F, Kure E, Ikdahl T, Skovlund E, Fokstuen T, Hansen F, Hofsli E, Birkemeyer E, Johnsson A, Starkhammar H, Yilmaz MK, Keldsen N, Erdal AB, Dajani O, Dahl O, Christoffersen T (2012)
Phase III trial of cetuximab with continuous or intermittent fluorouracil, leucovorin, and oxaliplatin (Nordic FLOX) versus FLOX alone in first-line treatment of metastatic colorectal cancer: the NORDIC-VII study
J Clin Oncol, 30 (15), 1755-62
DOI 10.1200/JCO.2011.38.0915, PubMed 22473155

Müller KM, Tveteraas IH, Aasrum M, Ødegård J, Dawood M, Dajani O, Christoffersen T, Sandnes DL (2011)
Role of protein kinase C and epidermal growth factor receptor signalling in growth stimulation by neurotensin in colon carcinoma cells
BMC Cancer, 11, 421
DOI 10.1186/1471-2407-11-421, PubMed 21961726

Dajani OF, Meisdalen K, Guren TK, Aasrum M, Tveteraas IH, Lilleby P, Thoresen GH, Sandnes D, Christoffersen T (2008)
Prostaglandin E2 upregulates EGF-stimulated signaling in mitogenic pathways involving Akt and ERK in hepatocytes
J Cell Physiol, 214 (2), 371-80
DOI 10.1002/jcp.21205, PubMed 17654493

Meisdalen K, Dajani OF, Christoffersen T, Sandnes D (2007)
Prostaglandins enhance epidermal growth factor-induced DNA synthesis in hepatocytes by stimulation of E prostanoid 3 and F prostanoid receptors
J Pharmacol Exp Ther, 322 (3), 1044-50
DOI 10.1124/jpet.107.121277, PubMed 17567965

Nilssen LS, Dajani O, Christoffersen T, Sandnes D (2005)
Sustained diacylglycerol accumulation resulting from prolonged G protein-coupled receptor agonist-induced phosphoinositide breakdown in hepatocytes
J Cell Biochem, 94 (2), 389-402
DOI 10.1002/jcb.20260, PubMed 15526278

Melien O, Nilssen LS, Dajani OF, Sand KL, Iversen JG, Sandnes DL, Christoffersen T (2002)
Ca2+-mediated activation of ERK in hepatocytes by norepinephrine and prostaglandin F2 alpha: role of calmodulin and Src kinases
BMC Cell Biol, 3, 5
DOI 10.1186/1471-2121-3-5, PubMed 11914123

Dajani OF, Sandnes D, Melien O, Rezvani F, Nilssen LS, Thoresen GH, Christoffersen T (1999)
Role of diacylglycerol (DAG) in hormonal induction of S phase in hepatocytes: the DAG-dependent protein kinase C pathway is not activated by epidermal growth factor (EGF), but is involved in mediating the enhancement of responsiveness to EGF by vasopressin, angiotensin II, and norepinephrine
J Cell Physiol, 180 (2), 203-14
DOI 10.1002/(SICI)1097-4652(199908)180:2<203::AID-JCP8>3.0.CO;2-T, PubMed 10395290

Sandnes D, Dajani O, Bjørneby A, Christoffersen T (1999)
The relationship between activation of phosphoinositide-specific phospholipase C and growth stimulation by Ca2+-mobilizing hormones in hepatocytes
Pharmacol Toxicol, 84 (5), 234-40
DOI 10.1111/j.1600-0773.1999.tb01488.x, PubMed 10361980

Dajani OF, Røttingen JA, Sandnes D, Horn RS, Refsnes M, Thoresen GH, Iversen JG, Christoffersen T (1996)
Growth-promoting effects of Ca(2+)-mobilizing agents in hepatocytes: lack of correlation between the acute activation of phosphoinositide-specific phospholipase C and the stimulation of DNA synthesis by angiotensin II, vasopressin, norepinephrine, and prostaglandin F2 alpha
J Cell Physiol, 168 (3), 608-17
DOI 10.1002/(SICI)1097-4652(199609)168:3<608::AID-JCP13>3.0.CO;2-V, PubMed 8816915

Guren TK, Thoresen GH, Dajani OF, Taraldsrud E, Moberg ER, Christoffersen T (1996)
Epidermal growth factor behaves as a partial agonist in hepatocytes: effects on DNA synthesis in primary culture and competition with transforming growth factor alpha
Growth Factors, 13 (3-4), 171-9
DOI 10.3109/08977199609003219, PubMed 8919025

Refsnes M, Dajani OF, Sandnes D, Thoresen GH, Røttingen JA, Iversen JG, Christoffersen T (1995)
On the mechanisms of the growth-promoting effect of prostaglandins in hepatocytes: the relationship between stimulation of DNA synthesis and signaling mediated by adenylyl cyclase and phosphoinositide-specific phospholipase C
J Cell Physiol, 164 (3), 465-73
DOI 10.1002/jcp.1041640304, PubMed 7650056

Thoresen GH, Refsnes M, Dajani OF, Johansen EJ, Christoffersen T (1995)
Dexamethasone inversely regulates DNA synthesis and phosphoenolpyruvate carboxykinase mRNA levels in cultured rat hepatocytes: interactions with insulin, glucagon, and transforming growth factor beta 1
Pharmacol Toxicol, 76 (3), 163-70
DOI 10.1111/j.1600-0773.1995.tb00124.x, PubMed 7617540

Dajani OF, Refsnes M, Guren TK, Horn RS, Thoresen GH, Christoffersen T (1994)
Elevated glucose concentrations inhibit DNA synthesis and expression of c-myc in cultured hepatocytes
Biochem Biophys Res Commun, 202 (3), 1476-82
DOI 10.1006/bbrc.1994.2097, PubMed 8060330

Refsnes M, Thoresen GH, Dajani OF, Christoffersen T (1994)
Stimulation of hepatocyte DNA synthesis by prostaglandin E2 and prostaglandin F2 alpha: additivity with the effect of norepinephrine, and synergism with epidermal growth factor
J Cell Physiol, 159 (1), 35-40
DOI 10.1002/jcp.1041590106, PubMed 8138589

Refsnes M, Thoresen GH, Sandnes D, Dajani OF, Dajani L, Christoffersen T (1992)
Stimulatory and inhibitory effects of catecholamines on DNA synthesis in primary rat hepatocyte cultures: role of alpha 1- and beta-adrenergic mechanisms
J Cell Physiol, 151 (1), 164-71
DOI 10.1002/jcp.1041510121, PubMed 1313818

Thoresen GH, Sand TE, Refsnes M, Dajani OF, Guren TK, Gladhaug IP, Killi A, Christoffersen T (1990)
Dual effects of glucagon and cyclic AMP on DNA synthesis in cultured rat hepatocytes: stimulatory regulation in early G1 and inhibition shortly before the S phase entry
J Cell Physiol, 144 (3), 523-30
DOI 10.1002/jcp.1041440321, PubMed 2167904

Review articles

Guren TK, Christoffersen T, Thoresen GH, Wisløff F, Dajani O, Tveit KM (2005)
[Antineoplastic agents targeting tyrosine kinases]
Tidsskr Nor Laegeforen, 125 (22), 3115-9
PubMed 16299568

Theses

Dajani O (2001)
The role of phospholipid signaling in regulation of hepatocyte growth
Department of Pharmacology, Faculty of Medicine, University of Oslo, [Oslo], 1 b. (flere pag.)
BIBSYS 010807837, ISBN 82-7633-159-9