Publications 2022

Fjeld B, Sudmann-Day ÅA, Grimholt RM, Larstorp ACK, Urdal P, Klingenberg O (2022)
Additional value of red blood cell parameters in predicting uncommon α-thalassemia; experience from 10 years of α-globin gene sequencing and copy number variation analysis
Int J Lab Hematol, 45 (2), 250-259
DOI 10.1111/ijlh.14010, PubMed 36567661

Publications 2021

Grimholt RM, Fjeld B, Klingenberg O (2021)
Hemoglobinopathy gone astray-three novel forms of α-thalassemia in Norwegian patients characterized by quantitative real-time PCR and DNA sequencing
Scand J Clin Lab Invest, 81 (8), 670-678
DOI 10.1080/00365513.2021.2004218, PubMed 34791962

Martin G, Grimholt RM, Le D, Bechensteen AG, Klingenberg O, Fjeld B, Fourie T, Perrier R, Proven M, Henderson SJ, Roy NBA (2021)
Hb Calgary (HBB: c.194G>T): A Highly Unstable Hemoglobin Variant with a β-Thalassemia Major Phenotype
Hemoglobin, 45 (4), 215-219
DOI 10.1080/03630269.2021.1956947, PubMed 34311670

Publications 2019

Fjeld B, Sudmann-Day AA, Grimholt RM, Klingenberg O (2019)
Can the patient have thalassemia or a hemoglobin variant?
Tidsskr. Nor. Laegeforen., 139 (17), 1679

Fjeld B, Sudmann-Day ÅA, Grimholt RM, Klingenberg O (2019)
[Might the patient have thalassaemia or a haemoglobin variant?]
Tidsskr Nor Laegeforen, 139 (17)
DOI 10.4045/tidsskr.19.0121, PubMed 31746162

Grimholt RM, Fjeld B, Selsås H, Schwettmann L, Klingenberg O (2019)
Hb Aalesund (HBA2: c.400_406delAGCACCG), an Unstable α-Globin Variant Found in a Norwegian Patient Causing Moderate Hemolytic Anemia and Falsely High Hb A_1c Using Ion Exchange High Performance Liquid Chromatography
Hemoglobin, 43 (2), 122-125
DOI 10.1080/03630269.2019.1614048, PubMed 31145010

Grimholt RM, Urdal P, Klingenberg O, Piehler AP (2019)
Correction to: Rapid and reliable detection of α-globin copy number variations by quantitative real-time PCR
BMC Hematol, 19, 13
DOI 10.1186/s12878-019-0144-5, PubMed 31695920

Publications 2018

Grimholt RM, Harteveld CL, Arkesteijn SGJ, Fjeld B, Klingenberg O (2018)
Characterization of Two Deep Intronic Variants on the β-Globin Gene with Inconsistent Interpretations of Clinical Significance
Hemoglobin, 42 (2), 126-128
DOI 10.1080/03630269.2018.1473255, PubMed 30047296

Grimholt RM, Vestli A, Urdal P, Bechensteen AG, Fjeld B, Dalhus B, Klingenberg O (2018)
Hb Oslo [β42(CD1)Phe→Ile; HBB: c.127T>A]: A Novel Unstable Hemoglobin Variant Found in a Norwegian Patient
Hemoglobin, 42 (2), 78-83
DOI 10.1080/03630269.2018.1468773, PubMed 30032685

Publications 2015

Piehler AP, Grimholt RM, Bjerner J, Buchmann MS (2015)
Interference of common haemoglobin variants with the Tosoh G7 standard mode HbA1c method
Scand J Clin Lab Invest, 75 (5), 362-6
DOI 10.3109/00365513.2015.1031687, PubMed 25858015

Reppe S, Noer A, Grimholt RM, Halldórsson BV, Medina-Gomez C, Gautvik VT, Olstad OK, Berg JP, Datta H, Estrada K, Hofman A, Uitterlinden AG, Rivadeneira F, Lyle R, Collas P, Gautvik KM (2015)
Methylation of bone SOST, its mRNA, and serum sclerostin levels correlate strongly with fracture risk in postmenopausal women
J Bone Miner Res, 30 (2), 249-56
DOI 10.1002/jbmr.2342, PubMed 25155887

Publications 2014

Grimholt RM, Urdal P, Klingenberg O, Piehler AP (2014)
Rapid and reliable detection of α-globin copy number variations by quantitative real-time PCR
BMC Hematol, 14 (1), 4
DOI 10.1186/2052-1839-14-4, PubMed 24456650

Kringen MK, Piehler AP, Grimholt RM, Opdal MS, Haug KB, Urdal P (2014)
Serum bilirubin concentration in healthy adult North-Europeans is strictly controlled by the UGT1A1 TA-repeat variants
PLoS One, 9 (2), e90248
DOI 10.1371/journal.pone.0090248, PubMed 24587300

Publications 2013

Grimholt RM, Sudmann ÅA, Piehler AP, Urdal P, Klingenberg O (2013)
Hb Ullevaal [β78(EF2)Leu→Val; HBB: c.235C>G], a new hemoglobin variant interfering with Hb A1c measurement using a cation exchange high performance liquid chromatography method
Hemoglobin, 38 (2), 130-2
DOI 10.3109/03630269.2013.858640, PubMed 24274186

Publications 2012

Jonassen R, Foss Haug KB, Endestad T, Bentsen H, Grimholt RM, Landrø NI (2012)
Associations between serotonin transporter polymorphisms and cognitive processing applying the Emo 1-back task
Cogn Emot, 27 (3), 465-73
DOI 10.1080/02699931.2012.726213, PubMed 23017007

Kringen MK, Stormo C, Grimholt RM, Berg JP, Piehler AP (2012)
Copy number variations of the ATP-binding cassette transporter ABCC6 gene and its pseudogenes
BMC Res Notes, 5, 425
DOI 10.1186/1756-0500-5-425, PubMed 22873774

Piehler AP, Grimholt RM, Bjerner J, Urdal P, Buchmann M (2012)
Discrepancy between HbA1c and fasting glucose results due to HbD
Scand J Clin Lab Invest, 73 (2), 186-8
DOI 10.3109/00365513.2012.744089, PubMed 23198773

Stormo C, Kringen MK, Grimholt RM, Berg JP, Piehler AP (2012)
A novel 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) splice variant with an alternative exon 1 potentially encoding an extended N-terminus
BMC Mol Biol, 13, 29
DOI 10.1186/1471-2199-13-29, PubMed 22989091

Publications 2010

Kringen MK, Haug KB, Grimholt RM, Stormo C, Narum S, Opdal MS, Fosen JT, Piehler AP, Johansen PW, Seljeflot I, Berg JP, Brørs O (2010)
Genetic variation of VKORC1 and CYP4F2 genes related to warfarin maintenance dose in patients with myocardial infarction
J Biomed Biotechnol, 2011, 739751
DOI 10.1155/2011/739751, PubMed 21127708

Piehler AP, Grimholt RM, Ovstebø R, Berg JP (2010)
Gene expression results in lipopolysaccharide-stimulated monocytes depend significantly on the choice of reference genes
BMC Immunol, 11, 21
DOI 10.1186/1471-2172-11-21, PubMed 20441576