Publications 2024

Igland J, Forster R, Jenum AK, Strandberg RB, Berg TJ, Røssberg JI, Iversen MM, Buhl ES (2024)
How valid is a prescription-based multimorbidity index (Rx-risk) in predicting mortality in the Outcomes and Multimorbidity In Type 2 diabetes (OMIT) study? A nation-wide registry-based cohort study from Norway
BMJ Open, 14 (3), e077027
DOI 10.1136/bmjopen-2023-077027, PubMed 38548358

Mdala I, Nøkleby K, Berg TJ, Cooper J, Sandberg S, Løvaas KF, Claudi T, Jenum AK, Buhl ES (2024)
Insulin initiation in patients with type 2 diabetes is often delayed, but access to a diabetes nurse may help-insights from Norwegian general practice
Scand J Prim Health Care, 42 (1), 132-143
DOI 10.1080/02813432.2023.2296118, PubMed 38116986

Tibballs K, Jenum AK, Kirkebøen L, Berg TJ, Claudi T, Cooper JG, Nøkleby K, Sandberg S, Straand J, Buhl ES (2024)
High prevalence of retinopathy in young-onset type 2 diabetes and possible sex differences: insights from Norwegian general practice
BMJ Open Diabetes Res Care, 12 (1)
DOI 10.1136/bmjdrc-2023-003624, PubMed 38167605

Publications 2022

Aukrust SG, Holte KB, Opstad TB, Seljeflot I, Berg TJ, Helseth R (2022)
NETosis in Long-Term Type 1 Diabetes Mellitus and Its Link to Coronary Artery Disease
Front Immunol, 12, 799539
DOI 10.3389/fimmu.2021.799539, PubMed 35069582

Bjarkø VV, Haug EB, Sørgjerd EP, Stene LC, Ruiz PL, Birkeland KI, Berg TJ, Gulseth HL, Iversen MM, Langhammer A, Åsvold BO (2022)
Undiagnosed diabetes: Prevalence and cardiovascular risk profile in a population-based study of 52,856 individuals. The HUNT Study, Norway
Diabet Med, 39 (6), e14829
DOI 10.1111/dme.14829, PubMed 35288977

Bjerkreim BA, Hammerstad SS, Gulseth HL, Berg TJ, Lee-Ødegård S, Eriksen EF (2022)
Thyroid Signaling Biomarkers in Female Symptomatic Hypothyroid Patients on Liothyronine versus Levothyroxine Monotherapy: A Randomized Crossover Trial
J Thyroid Res, 2022, 6423023
DOI 10.1155/2022/6423023, PubMed 35572853

Bjerkreim BA, Hammerstad SS, Gulseth HL, Berg TJ, Omdal LJ, Lee-Ødegård S, Eriksen EF (2022)
Effect of Liothyronine Treatment on Quality of Life in Female Hypothyroid Patients With Residual Symptoms on Levothyroxine Therapy: A Randomized Crossover Study
Front Endocrinol (Lausanne), 13, 816566
DOI 10.3389/fendo.2022.816566, PubMed 35273566

Forster RB, Strandberg RB, Bø Tibballs KL, Nøkleby K, Berg TJ, Iversen T, Hagen TP, Richardsen KR, Cooper J, Sandberg S, Løvaas KF, Nilsen RM, Iversen MM, Jenum AK, Buhl ESS (2022)
Cohort profile: Outcomes & Multi-morbidity In Type 2 diabetes (OMIT) - a national registry-based observational cohort with focus on care and treatment of key high-risk groups in Norway
BMJ Open, 12 (5), e054840
DOI 10.1136/bmjopen-2021-054840, PubMed 35545387

Kyte KH, Stensrud T, Berg TJ, Seljeflot I, Hisdal J (2022)
Vascular Function in Norwegian Female Elite Runners: A Cross-Sectional, Controlled Study
Sports (Basel), 10 (3)
DOI 10.3390/sports10030037, PubMed 35324646

Molvaer AK, Iversen MM, Igland J, Peyrot M, Tell GS, Holte KB, Monnier VM, Seljeflot I, Berg TJ (2022)
Metabolic predictors of pain, fatigue, depression and quality of life in people with long-term type 1 diabetes-the Dialong study
Diabet Med, 40 (3), e15009
DOI 10.1111/dme.15009, PubMed 36398424

Slåtsve KB, Claudi T, Lappegård KT, Jenum AK, Larsen M, Nøkleby K, Tibballs K, Cooper JG, Sandberg S, Buhl ES, Løvaas KF, Berg TJ (2022)
Level of education is associated with coronary heart disease and chronic kidney disease in individuals with type 2 diabetes: a population-based study
BMJ Open Diabetes Res Care, 10 (5)
DOI 10.1136/bmjdrc-2022-002867, PubMed 36171015

Publications 2021

Bjerkreim BA, Hammerstad SS, Gulseth HL, Berg TJ, Lee-Ødegård S, Rangberg A, Jonassen CM, Budge H, Morris D, Law J, Symonds M, Eriksen EF (2021)
Effect of Liothyronine Treatment on Dermal Temperature and Activation of Brown Adipose Tissue in Female Hypothyroid Patients: A Randomized Crossover Study
Front Endocrinol (Lausanne), 12, 785175
DOI 10.3389/fendo.2021.785175, PubMed 34867829

Nøkleby K, Berg TJ, Mdala I, Tran AT, Bakke Å, Gjelsvik B, Claudi T, Cooper JG, Løvaas KF, Thue G, Sandberg S, Jenum AK (2021)
Variation between general practitioners in type 2 diabetes processes of care
Prim Care Diabetes, 15 (3), 495-501
DOI 10.1016/j.pcd.2020.11.018, PubMed 33349599

Publications 2020

Holte KB, Svanteson M, Hanssen KF, Sveen KA, Seljeflot I, Solheim S, Sell DR, Monnier VM, Berg TJ (2020)
Collagen methionine sulfoxide and glucuronidine/LW-1 are markers of coronary artery disease in long-term survivors with type 1 diabetes. The Dialong study
PLoS One, 15 (5), e0233174
DOI 10.1371/journal.pone.0233174, PubMed 32401813

Jain R, Özgümüş T, Jensen TM, du Plessis E, Keindl M, Møller CL, Falhammar H, Nyström T, Catrina SB, Jörneskog G, Jessen LE, Forsblom C, Haukka JK, Groop PH, Rossing P, Groop L, Eliasson M, Eliasson B, Brismar K, Al-Majdoub M, Nilsson PM, Taskinen MR, Ferrannini E, Spégel P, Berg TJ et al. (2020)
Liver nucleotide biosynthesis is linked to protection from vascular complications in individuals with long-term type 1 diabetes
Sci Rep, 10 (1), 11561
DOI 10.1038/s41598-020-68130-y, PubMed 32665614

Keindl M, Fedotkina O, du Plessis E, Jain R, Bergum B, Mygind Jensen T, Laustrup Møller C, Falhammar H, Nyström T, Catrina SB, Jörneskog G, Groop L, Eliasson M, Eliasson B, Brismar K, Nilsson PM, Berg TJ, Appel S, Lyssenko V (2020)
Increased Plasma Soluble Interleukin-2 Receptor Alpha Levels in Patients With Long-Term Type 1 Diabetes With Vascular Complications Associated With IL2RA and PTPN2 Gene Polymorphisms
Front Endocrinol (Lausanne), 11, 575469
DOI 10.3389/fendo.2020.575469, PubMed 33193091

Opstad TB, Berg TJ, Holte KB, Arnesen H, Solheim S, Seljeflot I (2020)
Reduced leukocyte telomere lengths and sirtuin 1 gene expression in long-term survivors of type 1 diabetes: A Dialong substudy
J Diabetes Investig, 12 (7), 1183-1192
DOI 10.1111/jdi.13470, PubMed 33249778

Opstad TB, Kalstad AA, Holte KB, Berg TJ, Solheim S, Arnesen H, Seljeflot I (2020)
Shorter Leukocyte Telomere Lengths in Healthy Relatives of Patients with Coronary Heart Disease
Rejuvenation Res, 23 (4), 324-332
DOI 10.1089/rej.2019.2258, PubMed 31805818

Tollånes MC, Jenum AK, Berg TJ, Løvaas KF, Cooper JG, Sandberg S (2020)
Availability and analytical quality of hemoglobin A1c point-of-care testing in general practitioners' offices are associated with better glycemic control in type 2 diabetes
Clin Chem Lab Med, 58 (8), 1349-1356
DOI 10.1515/cclm-2020-0026, PubMed 32229656

Publications 2019

Holte KB, Svanteson M, Hanssen KF, Haig Y, Solheim S, Berg TJ (2019)
Undiagnosed coronary artery disease in long-term type 1 diabetes. The Dialong study
J Diabetes Complications, 33 (5), 383-389
DOI 10.1016/j.jdiacomp.2019.01.006, PubMed 30846232

Svanteson M, Holte KB, Haig Y, Kløw NE, Berg TJ (2019)
Coronary plaque characteristics and epicardial fat tissue in long term survivors of type 1 diabetes identified by coronary computed tomography angiography
Cardiovasc Diabetol, 18 (1), 58
DOI 10.1186/s12933-019-0861-x, PubMed 31054573

Tran AT, Berg TJ, Gjelsvik B, Mdala I, Thue G, Cooper JG, Nøkleby K, Claudi T, Bakke Å, Sandberg S, Jenum AK (2019)
Ethnic and gender differences in the management of type 2 diabetes: a cross-sectional study from Norwegian general practice
BMC Health Serv Res, 19 (1), 904
DOI 10.1186/s12913-019-4557-4, PubMed 31779621

Publications 2017

Bakke Å, Cooper JG, Thue G, Skeie S, Carlsen S, Dalen I, Løvaas KF, Madsen TV, Oord ER, Berg TJ, Claudi T, Tran AT, Gjelsvik B, Jenum AK, Sandberg S (2017)
Type 2 diabetes in general practice in Norway 2005-2014: moderate improvements in risk factor control but still major gaps in complication screening
BMJ Open Diabetes Res Care, 5 (1), e000459
DOI 10.1136/bmjdrc-2017-000459, PubMed 29177051

Holte KB, Juel NG, Brox JI, Hanssen KF, Fosmark DS, Sell DR, Monnier VM, Berg TJ (2017)
Hand, shoulder and back stiffness in long-term type 1 diabetes; cross-sectional association with skin collagen advanced glycation end-products. The Dialong study
J Diabetes Complications, 31 (9), 1408-1414
DOI 10.1016/j.jdiacomp.2017.06.007, PubMed 28705609

Juel NG, Brox JI, Brunborg C, Holte KB, Berg TJ (2017)
Very High Prevalence of Frozen Shoulder in Patients With Type 1 Diabetes of ≥45 Years' Duration: The Dialong Shoulder Study
Arch Phys Med Rehabil, 98 (8), 1551-1559
DOI 10.1016/j.apmr.2017.01.020, PubMed 28219686

Magnusson K, Bech Holte K, Juel NG, Brox JI, Hagen KB, Haugen IK, Berg TJ (2017)
Long term type 1 diabetes is associated with hand pain, disability and stiffness but not with structural hand osteoarthritis features - The Dialong hand study
PLoS One, 12 (5), e0177118
DOI 10.1371/journal.pone.0177118, PubMed 28510594

Robberstad M, Bentsen SB, Berg TJ, Iversen MM (2017)
Diabetic foot ulcer teams in Norwegian hospitals
Tidsskr Nor Laegeforen, 137 (17)
DOI 10.4045/tidsskr.16.1001, PubMed 28925190

Robberstad M, Bentsen SB, Berg TJ, Iversen MM (2017)
Diabetic foot ulcer teams in Norwegian hospitals
Tidsskr. Nor. Laegeforen., 137 (17), 1294-1298

Publications 2014

Strøm H, Selmer R, Birkeland KI, Schirmer H, Berg TJ, Jenum AK, Midthjell K, Berg C, Stene LC (2014)
No increase in new users of blood glucose-lowering drugs in Norway 2006-2011: a nationwide prescription database study
BMC Public Health, 14, 520
DOI 10.1186/1471-2458-14-520, PubMed 24886413

Vikøren TB, Berg JP, Berg TJ (2014)
[Sources of error when using haemoglobin A1c]
Tidsskr Nor Laegeforen, 134 (4), 417-21
DOI 10.4045/tidsskr.13.0938, PubMed 24569741

Publications 2013

Berg TJ (2013)
Norway and the goat kid that refused to count
Tidsskr Nor Laegeforen, 133 (21), 2224-5
DOI 10.4045/tidsskr.13.1293, PubMed 24226311

Publications 2009

Skrivarhaug T, Fretheim A, Berg TJ, Thorsby PM (2009)
Type 1 - diabetes
In Medisinsk informasjon: kunnskapsbasert helsefaglig oppdatering, MEDLEX Norsk helseinformasjon, Oslo, årg. 23(2009)nr. 1, 31 s.
BIBSYS 091932777, ISBN 978-82-7841-565-8

Publications 2007

Bilous RW, Berg TJ (2007)
Forstå diabetes
Exlibriz, Oslo, 176 s.
BIBSYS 080352243, ISBN 978-82-8173-026-7

Steine K, Larsen JR, Stugaard M, Berg TJ, Brekke M, Dahl-Jørgensen K (2007)
LV systolic impairment in patients with asymptomatic coronary heart disease and type 1 diabetes is related to coronary atherosclerosis, glycaemic control and advanced glycation endproducts
Eur J Heart Fail, 9 (10), 1044-50
DOI 10.1016/j.ejheart.2007.07.013, PubMed 17719271

Publications 2006

Omsland TK, Bangstad HJ, Berg TJ, Kolset SO (2006)
[Advanced glycation end products and hyperglycaemia]
Tidsskr Nor Laegeforen, 126 (2), 155-8
PubMed 16415936

Publications 2005

Nøkleby K, Berg TJ (2005)
[Diabetic neuropathy--a clinical review]
Tidsskr Nor Laegeforen, 125 (12), 1646-9
PubMed 15976830

Publications 2004

Larsen JR, Sjøholm H, Berg TJ, Sandvik L, Brekke M, Hanssen KF, Dahl-Jørgensen K (2004)
Eighteen years of fair glycemic control preserves cardiacautonomic function in type 1 diabetes
In Diabetes care, The Association, Alexandria, VA, 27(2004)4, S. 963-6
BIBSYS 05180686x

Publications 2003

Kilhovd BK, Giardino I, Torjesen PA, Birkeland KI, Berg TJ, Thornalley PJ, Brownlee M, Hanssen KF (2003)
Increased serum levels of the specific AGE-compound methylglyoxal-derived hydroimidazolone in patients with type 2 diabetes
In Metabolism, Grune & Stratton, New York, 52(2003)2, s.163-7
BIBSYS 041719271

Larsen JR, Sjøholm H, Hanssen KF, Sandvik K, Berg TJ, Dahl-Jørgensen K (2003)
Optimal blood glucose control during 18 years preserves peripheral nerve function in patients with 30 years' duration of type 1 diabetes
In Diabetes care, The Association, Alexandria, VA, 26(2003)8, s.2400-4
BIBSYS 041719344

Svistounov DN, Berg TJ, McCourt PA, Zykova SN, Elvevold K, Nagai R, Horiuchi S, Smedsrød B (2003)
Lack of recognition of Nepsilon-(carboxymethyl)lysine by the mouse liver reticulo-endothelial system: implications for pathophysiology
In Biochemical and biophysical research communications, Academic Press, New York, 309(2003)4, s.786-91
BIBSYS 041726723

Publications 2001

Kilhovd B, Hjerkinn EM, Seljeflot I, Berg TJ, Reikvam AA (2001)
The ACE inhibitor ramipril influences the serum levels ofadvanced glycation endproducts in high risk patients with coronary artery disease: results from a HOPE substudy
In European heart journal, Supplements, Saunders, London, 22(2001)Abstr. suppl, s.27 Abstrakt nr 243
BIBSYS 022034269

Kilhovd B, Hjerkinn EM, Seljeflot I, Berg TJ, Reikvam Å (2001)
Increase in serum levels of advanced glycation endproducts in high risk coronary artery disease patients is modified by the ace inhibitor ramipril
In Diabetologia, Springer, Berlin, 44(2001)suppl 1, s.A319 Abstrakt nr 1226
BIBSYS 02203529x

Prydz K, Fjalestad K, Vuong TT, Berg TJ, Holkov C, Kolset SO, Borrebæk J (2001)
The AGE product N epsilon-(carboxymethyl)lysine serum albumin is a modulator of proteoglycan expression in polarized cultured kidney epithelial cells
In Diabetologia, Springer, Berlin, 44(2001)nr 4, s.488-494
BIBSYS 022030069

Publications 2000

Hanssen KF, Berg TJ (2000)
Diabetesbehandling i forandring
In Tidsskrift for Den norske legeforening, Foreningen, Oslo, 120(2001)nr. 20, S. 2377
BIBSYS 022063064

Publications 1998

Berg TJ (1998)
Advanced glycation end products: studies on advanced glycation, oxidation and glycoxidation products in the circulation of patients with type 1 diabetes and their association with micro- and macrovascular complications
Aker Diabetes Research Centre, Department of Endocrinology, Hormone Laboratory, Aker University Hospital, University of Oslo, Oslo, 1 b. (flere pag.)
BIBSYS 990069044, ISBN 82-994853-0-4

Publications 1995

Berg TJ (1995)
Ei håndbok om type 1 diabetes
Norges diabetesforbund, Oslo, 54 s.
BIBSYS 952009005, ISBN 82-90472-07-2

Berg TJ (1995)
En håndbok om type 1 diabetes
Norges diabetesforbund, Oslo, 54 s.
BIBSYS 972943323