KEY QUALIFICATIONS
  • Project management: design, organization, implementation of research projects and disposition of key personnel
  • Writing: grant and project proposals; project reports; journal articles
  • Editing and review: scientific articles and external grant applications for national and international funding organizations; peer review of submitted articles for scientific journals
  • Mentoring: PhD students, Master’s degree students


EDUCATION​
  •  2007               Formally evaluated as professor-competent by the University of Oslo
  • 1999                Ph.D.–Faculty of Medicine, University of Oslo, Norway
  • 1981                M.S. Cell Biology–New York University, NY, NY, USA
  • 1978                B.S. Biology–Fordham University, Bronx, NY, USA
 

EMPLOYMENT
  • 2021 --          Consultant--proofreading and editing of scientific manuscripts, theses, books 
  • 2002 – 2021 Senior Scientist–Oslo University Hospital, Rikshospitalet, Pathology Clinic, Norway
  • 1999 – 2001 Post-doctoral scientist–Rikshospitalet, Institute of Pathology, Norway
  • 1994 – 1999 PhD student–Rikshospitalet, Institute of Pathology, Norway
  • 1993             Staff Research Associate / Flow Cytometry Core Facility, University of California, San Francisco, California, USA
  • 1990 – 1992 Flow Cytometry Specialist–Rikshospitalet, Institute of Pathology, Norway
  • 1982 – 1989 Flow Cytometry Specialist–Memorial Sloan-Kettering Cancer Center, New York, USA
  • 1979 – 1982 Research Assistant–Public Health Research Institute of the City of New York, Inc., New York, USA


PUBLICATIONS 
  1. Thomas GJ, Jr., Prescott B, Boyle PD, Day LA: Structural transitions in bacteriophages Pf3 and Xf. Prog Clin Biol Res 1981;64:429-440.   (published as PD Boyle until 1987)
  2. Putterman DG, Casadevall A, Boyle PD, Yang HL, Frangione B, Day LA: Major coat protein and single-stranded DNA-binding protein of filamentous virus Pf3. Proc Natl Acad Sci U S A 1984;81:699-703.
  3. Danes BS, Boyle PD, Traganos F, Melamed MR: A standardized assay to identify colon cancer genotypes by in vitro tetraploidy in human dermal fibroblasts. Dis Markers 1986;4:271-282.
  4. Danes BS, Boyle PD, Traganos F, Melamed MR: Hyperdiploidy of cultured dermal fibroblasts from patients with aerodigestive squamous carcinoma. Cytometry 1987;8:584-589.
  5. Danes BS, Boyle PD, Traganos F, Melamed MR: In vitro evidence for genetic predisposition in some human pancreatic adenocarcinoma. Pancreas 1987;2:584-588.
  6. Danes BS, Boyle PD, Traganos F, Ringborg U, Melamed MR: Evidence for genetic predisposition for some nasopharyngeal cancers by in vitro hyperdiploidy in human dermal fibroblasts. Cancer Genet Cytogenet 1987;26:261-270.
  7. Danes BS, Boyle PD, Traganos F, Ringborg U, Melamed MR: In vitro hyperdiploidy in dermal fibroblasts: evidence for genetic predisposition in aerodigestive tract cancer. Clin Genet 1987;31:25-34.
  8. Danes BS, De Angelis P, Traganos F, Melamed MR: Tetraploidy in cultured dermal fibroblasts from patients with heritable colon cancer. Dis Markers 1988;6:151-161.
  9. Danes BS, De Angelis P, Traganos F, Melamed MR, Alm T: Demonstration of altered cellular DNA content distribution in long-term colon epithelial cell lines with colon cancer genotypes. Scand J Gastroenterol 1988;23:840-846.
  10. De Angelis P, Kimmel M, Lacher M, Filippa D, Melamed MR: T-cell subsets in peripheral blood of patients with newly diagnosed and posttreatment Hodgkin’s and non-Hodgkin’s lymphomas. Analysis by monoclonal antibody staining and flow cytometry. Anal Quant Cytol Histol 1988;10:235-242.
  11. Bretton PR, Myc A, Cordon-Cardo C, DeAngelis P, Fair WR, Melamed MR: Initial evaluation of a new epithelial antigen (T16) for bivariate flow cytometry of bladder irrigation specimens. Cytometry 1989;10:339-344.
  12. Esposito D, Fassina G, Szabo P, De Angelis P, Rodgers L, Weksler M, Siniscalco M: Chromosomes of older humans are more prone to aminopterine-induced breakage. Proc Natl Acad Sci U S A 1989;86:1302-1306.
  13. Danes BS, De Angelis P, Traganos F, Ringborg U, Nielsen LH, Melamed MR: Comparison of anatomical location of squamous cell carcinoma within the oral cavity and oropharynx with the incidence of in vitro hyperdiploidy. Clin Genet 1990;37:188-193.
  14. Danes BS, De Angelis P, Traganos F, Melamed MR: Heritable colon cancer: influence of increased calcium concentration on increased in vitro tetraploidy (IVT). Med Hypotheses 1991;36:69-72.
  15. Elgjo K, Reichelt KL, Clausen OP, De Angelis P: Inhibitory epidermal pentapeptide modulates proliferation and differentiation of transformed mouse epidermal cells in vitro. Virchows Arch B Cell Pathol Incl Mol Pathol 1991;60:161-164.
  16. Fellinger EJ, Garin-Chesa P, Su SL, De Angelis P, Lane JM, Rettig WJ: Biochemical and genetic characterization of the HBA71 Ewing’s sarcoma cell surface antigen. Cancer Res 1991;51:336-340.
  17. Myc A, De Angelis P, Kimmel M, Melamed MR, Darzynkiewicz Z: Retention of the mitochondrial probe rhodamine 123 in normal lymphocytes and leukemic cells in relation to the cell cycle. Exp Cell Res 1991;192:198-202.
  18. Myc A, De Angelis P, Lassota P, Melamed MR, Darzynkiewicz Z: Effect of swainsonine on interleukin-2 alpha chain receptor expression and proliferation of human lymphocytes. Clin Exp Immunol 1991;84:406-410.
  19. Clausen OP, Berg KA, Kirkhus B, De Angelis P, Huitfeldt H: BrdUrd incorporation studies for evaluation of spermatogenesis in the blue fox. Cytometry 1992;13:374-380.
  20. Lutzow-Holm C, De Angelis P, Clausen OP: Retinoic acid provokes a regeneration-like proliferative response in murine epidermis. A bivariate DNA/bromodeoxyuridine flow cytometric study. Arch Dermatol Res 1992;284:418-423.
  21. Aarnaes E, Clausen OP, Kirkhus B, De Angelis P: Heterogeneity in the mouse epidermal cell cycle analysed by computer simulations. Cell Prolif 1993;26:205-219.
  22. De Angelis P, Stokke T, Smedshammer L, Lothe RA, Meling GI, Rofstad M, Chen Y, Clausen OPF: p53 protein is associated with a high degree of tumor DNA aneuploidy and incidence of p53 gene mutation, and is localized to the aneuploid component in colorectal carcinomas. Int J Oncol 1993;3:305-312.
  23. Lutzow-Holm C, De Angelis P, Grosvik H, Clausen OP: 1,25-Dihydroxyvitamin D3 and the vitamin D analogue KH1060 induce hyperproliferation in normal mouse epidermis. A BrdUrd/DNA flow cytometric study. Exp Dermatol 1993;2:113-120.
  24. Lehne G, De Angelis P, Clausen OPF, Sundby Hall K, Huitfeldt H, Rugstad HE: Pharmacokinetics and cytoxicity of epirubicin (EPI) in drug resistant human hepatoma cells (HB8065). Int J Oncol 1994;4:1229-1235.
  25. De Angelis P, Stokke T, Smedshammer L, Lothe RA, Lehne G, Chen Y, Clausen OP: P-glycoprotein is not expressed in a majority of colorectal carcinomas and is not regulated by mutant p53 in vivo. Br J Cancer 1995;72:307-311.
  26. Evenson D, Jost L, Gandour D, Rhodes L, Stanton B, Clausen OP, De Angelis P, Coico R, Daley A, Becker K, et al.: Comparative sperm chromatin structure assay measurements on epiillumination and orthogonal axes flow cytometers. Cytometry 1995;19:295-303.
  27. Lehne G, De Angelis P, Clausen OP, Egeland T, Tsuruo T, Rugstad HE: Binding diversity of antibodies against external and internal epitopes of the multidrug resistance gene product P-glycoprotein. Cytometry 1995;20:228-237.
  28. Lutzow-Holm C, De Angelis P, Clausen OP: Topical application of retinoic acid induces murine epidermal proliferation without reducing the cell cycle time. A bivariate BrdUrd/DNA flow cytometric study. Epithelial Cell Biol 1995;4:2-7.
  29. Wiger R, Hongslo JK, Evenson DP, De Angelis P, SchwarzePE, Holme JA: Effects of acetaminophen and hydroxyurea on spermatogenesis and sperm chromatin structure in laboratory mice. Reprod Toxicol 1995;9:21-33.
  30. Lehne G, De Angelis P, Clausen OP, Rugstad HE: Human hepatoma cells rich in P-glycoprotein are sensitive to aclarubicin and resistant to three other anthracyclines. Br J Cancer 1996;74:1719-1729.
  31. Lutzow-Holm C, De Angelis P, Clausen OP: Calcitriol and its analog KH 1060 induce similar changes in keratinocyte cell cycle progression after topical application to mouse skin. A bromodeoxyuridine pulse-chase flow cytometric study. J Investig Dermatol Symp Proc 1996;1:54-59.
  32. De Angelis PM, Stokke T, Clausen OP: NO38 expression and nucleolar counts are correlated with cellular DNA content but not with proliferation parameters in colorectal carcinomas. Mol Pathol 1997;50:201-208.
  33. FossaSD, De Angelis P, Kraggerud SM, Evenson D, Theodorsen L, Clausen OP: Prediction of posttreatment spermatogenesis in patients with testicular cancer by flow cytometric sperm chromatin structure assay. Cytometry 1997;30:192-196.
  34. Clausen OP, Lothe RA, Borresen-Dale AL, De Angelis P, Chen Y, Rognum TO, Meling GI: Association of p53 accumulation with TP53 mutations, loss of heterozygosity at 17p13, and DNA ploidy status in 273 colorectal carcinomas. Diagn Mol Pathol 1998;7:215-223.
  35. De Angelis PM, Stokke T, Thorstensen L, Lothe RA, Clausen OP: Apoptosis and expression of Bax, Bcl-x, and Bcl-2 apoptotic regulatory proteins in colorectal carcinomas, and association with p53 genotype/phenotype. Mol Pathol 1998;51:254-261.
  36. Lehne G, De Angelis P, Clausen OP, Rugstad HE: Differential resistance to anthracyclines in P-glycoprotein-expressing human hepatoma cells. Int J Clin Pharmacol Ther 1998;36:89-92.
  37. Stokke T, Solberg K, De Angelis P, Steen HB: Propidium iodide quenches the fluorescence of TdT-incorporated FITC-labeled dUTP in apoptotic cells. Cytometry 1998;33:428-434.
  38. Xie X, Clausen OP, De Angelis P, Boysen M: Bax expression has prognostic significance that is enhanced when combined with AgNOR counts in glottic carcinomas. Br J Cancer 1998;78:100-105.
  39. De Angelis PM: Phenotypic and genotypic characterizations of colorectal carcinomas. 1999 (PhD thesis).  ISBN 82-7633-111-4
  40. De Angelis PM, Clausen OP, Schjolberg A, Stokke T: Chromosomal gains and losses in primary colorectal carcinomas detected by CGH and their associations with tumour DNA ploidy, genotypes and phenotypes. Br J Cancer 1999;80:526-535.
  41. Evenson DP, Jost LK, Marshall D, Zinaman MJ, Clegg E, Purvis K, De Angelis P, Claussen OP: Utility of the sperm chromatin structure assay as a diagnostic and prognostic tool in the human fertility clinic. Hum Reprod 1999;14:1039-1049.
  42. Lehne G, De Angelis P, den Boer M, Rugstad HE: Growth inhibition, cytokinesis failure and apoptosis of multidrug-resistant leukemia cells after treatment with P-glycoprotein inhibitory agents. Leukemia 1999;13:768-778.
  43. Xie X, Clausen OP, De Angelis P, Boysen M: The prognostic value of spontaneous apoptosis, Bax, Bcl-2, and p53 in oral squamous cell carcinoma of the tongue. Cancer 1999;86:913-920.
  44. Xie X, De Angelis P, Clausen OP, Boysen M: Prognostic significance of proliferative and apoptotic markers in oral tongue squamous cell carcinomas. Oral Oncol 1999;35:502-509.
  45. Gembitsky DS, De Angelis PM, Reichelt KL, Elgjo K: An endogenous melanocyte-inhibiting tripeptide pyroGlu-Phe-GlyNH2 delays in vivo growth of monoclonal experimental melanoma. Cell Prolif 2000;33:91-99.
  46. Stokke T, Galteland E, Holte H, Smedshammer L, Suo Z, Smeland EB, Borresen-Dale AL, De Angelis P, Steen HB: Oncogenic aberrations in the p53 pathway are associated with a high S phase fraction and poor patient survival in B-cell Non-Hodgkin’s lymphoma. Int J Cancer 2000;89:313-324.
  47. Andreyev HJ, Norman AR, Cunningham D, Oates J, Dix BR, Iacopetta BJ, Young J, Walsh T, Ward R, Hawkins N, Beranek M, Jandik P, Benamouzig R, Jullian E, Laurent-Puig P, Olschwang S, Muller O, Hoffmann I, Rabes HM, Zietz C, Troungos C, Valavanis C, Yuen ST, Ho JW, Croke CT, O’Donoghue DP, Giaretti W, Rapallo A, Russo A, Bazan V, Tanaka M, Omura K, Azuma T, Ohkusa T, Fujimori T, Ono Y, Pauly M, Faber C, Glaesener R, de Goeij AF, Arends JW, Andersen SN, Lovig T, Breivik J, Gaudernack G, Clausen OP, De Angelis PD, Meling GI, Rognum TO, Smith R, Goh HS, Font A, Rosell R, Sun XF, Zhang H, Benhattar J, Losi L, Lee JQ, Wang ST, Clarke PA, Bell S, Quirke P, Bubb VJ, Piris J, Cruickshank NR, Morton D, Fox JC, Al-Mulla F, Lees N, Hall CN, Snary D, Wilkinson K, Dillon D, Costa J, Pricolo VE, Finkelstein SD, Thebo JS, Senagore AJ, Halter SA, Wadler S, Malik S, Krtolica K, Urosevic N: Kirsten ras mutations in patients with colorectal cancer: the ‘RASCAL II’ study. Br J Cancer 2001;85:692-696.
  48. De Angelis PM, Stokke T, Beigi M, Mjaland O, Clausen OP: Prognostic significance of recurrent chromosomal aberrations detected by comparative genomic hybridization in sporadic colorectal cancer. Int J Colorectal Dis 2001;16:38-45.
  49. Jaworska A, Szumiel I, De Angelis P, Olsen G, Reitan J: Evaluation of ionizing radiation sensitivity markers in a panel of lymphoid cell lines. Int J Radiat Biol 2001;77:269-280.
  50. OldereidNB, De Angelis P, Wiger R, Clausen OP: Expression of Bcl-2 family proteins and spontaneous apoptosis in normal human testis. Mol Hum Reprod 2001;7:403-408.
  51. Stokke T, De Angelis P, Smedshammer L, Galteland E, Steen HB, Smeland EB, Delabie J, Holte H: Loss of chromosome 11q21-23.1 and 17p and gain of chromosome 6p are independent prognostic indicators in B-cell non-Hodgkin’s lymphoma. Br J Cancer 2001;85:1900-1913.
  52. Xie X, Clausen OPF, De Angelis P, Boysen M: The prognostic significance of proliferative and apoptotic markers in head and neck squamous cell carcinomas. Recent Advances in Cancer 2001;1:119-127.
  53. Clausen OP, Beigi M, Bolund L, Kolvraa S, Gjersvik PJ, Mork G, De Angelis PM: Keratoacanthomas frequently show chromosomal aberrations as assessed by comparative genomic hybridization. J Invest Dermatol 2002;119:1367-1372.
  54. Galteland E, Smedshammer L, Suo Z, De Angelis P, Stokke T: Proliferation-dependent expression and phosphorylation of pRB in B cell non-Hodgkin’s lymphomas: dependence on RB1 copy number. Leukemia 2002;16:1549-1555.
  55. Jaworska A, Wojewodzka M, De Angelis P: Radiation sensitivity and the status of some radiation sensitivity markers in relatively sensitive lymphoid cells. Radiats Biol Radioecol 2002;42:595-599.
  56. Forslund O, De Angelis PM, Beigi M, Schjolberg AR, Clausen OP: Identification of human papillomavirus in keratoacanthomas. J Cutan Pathol 2003;30:423-429.
  57. Sollid J, De Angelis P, Gundersen K, Nilsson GE: Hypoxia induces adaptive and reversible gross morphological changes in crucian carp gills. J Exp Biol 2003;206:3667-3673.
  58. De Angelis PM, Fjell B, Kravik KL, Haug T, Tunheim SH, Reichelt W, Beigi M, Clausen OP, Galteland E, Stokke T: Molecular characterizations of derivatives of HCT116 colorectal cancer cells that are resistant to the chemotherapeutic agent 5-fluorouracil. Int J Oncol 2004;24:1279-1288.
  59. De Angelis PM, Kravik KL, Tunheim SH, Haug T, Reichelt WH: Comparison of gene expression in HCT116 treatment derivatives generated by two different 5-fluorouracil exposure protocols. Mol Cancer 2004;3:11.
  60. Lyng H, Beigi M, Svendsrud DH, Brustugun OT, Stokke T, Kristensen GB, Sundfor K, Skjonsberg A, De Angelis PM: Intratumor chromosomal heterogeneity in advanced carcinomas of the uterine cervix. Int J Cancer 2004;111:358-366.
  61. Reichelt WH, De Angelis PM, Knutsen HK, Husoy T, Elgjo K, Reichelt KL: The colon mitosis inhibitor pyroglutamyl-histidyl-glycine inhibits growth of non-tumorigenic colonic epithelial cells. Anticancer Res 2004;24:587-591.
  62. Waterhouse KE, De Angelis PM, Haugan T, Paulenz H, Hofmo PO, Farstad W: Effects of in vitro storage time and semen-extender on membrane quality of boar sperm assessed by flow cytometry. Theriogenology 2004;62:1638-1651.
  63. De Angelis PM: Biologiske mekanismer for utvikling av resistens mot 5-fluorouracil i colorectalcancer. Norsk farmaceut tidsskrift 2005;1:11-13.
  64. Galteland E, Sivertsen EA, Svendsrud DH, Smedshammer L, Kresse SH, Meza-Zepeda LA, Myklebost O, Suo Z, Mu D, De Angelis PM, Stokke T: Translocation t(14;18) and gain of chromosome 18/BCL2: effects on BCL2 expression and apoptosis in B-cell non-Hodgkin’s lymphomas. Leukemia 2005;19:2313-2323.
  65. Lyng H, Landsverk KS, Kristiansen E, De Angelis PM, Ree AH, Myklebost O, Hovig E, Stokke T: Response of malignant B lymphocytes to ionizing radiation: gene expression and genotype. Int J Cancer 2005;115:935-942.
  66. Skovseth DK, Veuger MJ, Sorensen DR, De Angelis PM, Haraldsen G: Endostatin dramatically inhibits endothelial cell migration, vascular morphogenesis, and perivascular cell recruitment in vivo. Blood 2005;105:1044-1051.
  67. Sollid J, Kjernsli A, De Angelis PM, RohrAK, Nilsson GE: Cell proliferation and gill morphology in anoxic crucian carp. Am J Physiol Regul Integr Comp Physiol 2005;289:R1196-1201.
  68. Clausen OP, Aass HC, Beigi M, Purdie KJ, Proby CM, Brown VL, Mattingsdal M, Micci F, Kolvraa S, Bolund L, De Angelis PM: Are keratoacanthomas variants of squamous cell carcinomas? A comparison of chromosomal aberrations by comparative genomic hybridization. J Invest Dermatol 2006;126:2308-2315.
  69. De Angelis PM, Svendsrud DH, Kravik KL, Stokke T: Cellular response to 5-fluorouracil (5-FU) in 5-FU-resistant colon cancer cell lines during treatment and recovery. Mol Cancer 2006;5:20.
  70. Waterhouse KE, Haugan T, Kommisrud E, Tverdal A, Flatberg G, Farstad W, Evenson DP, De Angelis PM: Sperm DNA damage is related to field fertility of semen from young Norwegian Red bulls. Reprod Fertil Dev 2006;18:781-788.
  71. Burum-Auensen E, De Angelis PM, Schjolberg AR, Kravik KL, Aure M, Clausen OP: Subcellular localization of the spindle proteins Aurora A, Mad2, and BUBR1 assessed by immunohistochemistry. J Histochem Cytochem 2007; 55: 477-486.
  72. Burum-Auensen E, De Angelis PM, SchjolbergAR, Roislien J, Andersen SN, Clausen OP: Spindle proteins Aurora A and BUB1B, but not Mad2, are aberrantly expressed in dysplastic mucosa of patients with longstanding ulcerative colitis. J Clin Pathol 2007; 60:1403-8.
  73. De Angelis PM, Stokke T, Beigi M, Flatberg G, Enger M, Haug K, Aass HC, Schjolberg A, Andresen PA, Ariansen S, Bo AS, Mjaland O, Clausen OP: Chromosomal 20q gain in the DNA diploid component of aneuploid colorectal carcinomas. Int J Cancer 2007; 120:2734-2738.
  74. De Angelis PM:  Using pharmacogenomic tumor profiling to identify biomarkers of 5-fluorouracil response in colorectal cancer.  Curr Pharmacogenomics 2007; 5: 167-177 (invited review).
  75. Adamsen BL, Kravik KL, Clausen OP, and De Angelis PM:  Apoptosis, cell cycle progression and gene expression in TP53-depleted HCT116 colon cancer cells in response to short-term 5-fluorouracil treatment.  Int J Oncol 2007; 31(6):1491-1500.
  76. Haug K, Kravik KL, and De Angelis PM: Growth inhibition, cell cycle arrest, endoreduplication, and senescence development in response to irinotecan in colon cancer cell lines that differ in their response to 5-fluorouracil. Anticancer Res 2008; 28: 583-592.
  77. Burum-Auensen E, De Angelis PM, SchjølbergAR, Røislien J, Mjåland O, and Clausen OPF: Reduced level of the spindle checkpoint protein BUB1B is associated with aneuploidy in colorectal cancers. Cell Prolif 2008; 41:645-659.
  78. Kuchler AM, Pollheimer J, Balogh J, Sponheim J, Manley L, Sorensen DR, De Angelis PM, Scott H, and Haraldsen G: Nuclear interleukin-33 is generally expressed in resting endothelium but rapidly lost upon angiogenic or proinflammatory activation. Am J Pathol 2008; 173: 1231-1244.
  79. Adamsen BL, Kravik KL, and De Angelis PM: Cellular response to chemoradiotherapy, radiotherapy, and chemotherapy in two colorectal cancer cell lines. Rad Res 2009; 171: 562-571.
  80. Mancinelli L, De Angelis PM, Annulli L, Padovini V, Elgjo K, and Gianfranceschi GL:  A class of DNA-binding peptides from wheat bud causes growth inhibition, G2 cell cycle arrest and apoptosis induction in HeLa cells. Mol Cancer 2009; 8:55.
  81. Hannisdal K, Clausen OPF, Schjølberg A, De Angelis PM, Boysen M: HPV positive tonsillar carcinomas are frequent and have a favourable prognosis in males in Norway. Acta Otolaryngol 2010; 130: 293-299.
  82. SchjølbergAR, Clausen OPF, Burum-Auensen E, and De Angelis PM: Aneuploidy is associated with TP53 expression but not with BRCA1 or TERT expression in sporadic colorectal cancer. Anticancer Res 2009; 29: 4381-4387.
  83. Waterhouse KE, Gjeldnes A, Tverdal A, De Angelis PM, Farstad W, Haard M and Kommisrud E: Increased susceptibility of sperm DNA to in situ acid induced denaturation during cryopreservation procedure and in vitro incubation of bull semen.   Anim Reprod Sci 2010; 117: 34-42. Epub 2009 May 4.
  84. HannisdalK, Burum-Auensen E, SchjølbergA, De Angelis PM, and Clausen OPF: Correlation between reduced expression of the spindle checkpoint protein BUBR1 and bad prognosis in tonsillar carcinomas. Head Neck 2010; 32: 1354-1362.
  85. Landsverk KS, Patzke S, Rein ID, Stokke C, Lyng H, De Angelis PM, Stokke T: Three independent mechanisms for arrest in G2 after ionizing radiation. Cell Cycle 2011; 10: 819-829. 
  86. Adamsen BL, Kravik KL and De Angelis PM: DNA damage signaling in response to 5-fluorouracil in three colorectal cancer cell lines with different mismatch repair and TP53 status. Int J Oncol 2011; 39: 673-682.
  87. Li J, Wang K, Gao F, Jensen TD, Li ST, De Angelis PM, Kølvraa S, Proby C, Forslund O, Bolund L, Clausen OP: Array comparative genomic hybridization of keratoacanthomas and squamous cell carcinomas: different patterns of genetic aberrations suggest two distinct entities. J Invest Dermatol 2012; 132:2060-2066.
  88. Mancinelli L, Secca T, De Angelis PM, Mancini F, Marchesini M, Marinelli C, Barberini L, Grignani F.A pool of peptides extracted from wheat bud chromatin inhibits tumor cell growth by causing defective DNA synthesis. Cell Div 2013; 8:11.
  89. Friis-Ottessen M, Bendix L, Kølvraa S, Norheim-Andersen S, De Angelis PM, Clausen OPF. Telomere shortening correlates to dysplasia but not to DNA aneuploidy in longstanding ulcerative colitis. BMC Gastroenterol 2014; 14:8.
  90. Friis-Ottessen M, De Angelis PM, Schjølberg, AR, Andersen SN, Clausen OPF Reduced hTERT protein levels are associated with DNA aneuploidy in the colonic mucosa of patients suffering from longstanding ulcerative colitis. Int J Mol Med 2014; 33:5.
  91. Friis-Ottessen M, Burum-Auensen E, Schjølberg AR, Ekstrøm PO, Andersen SN, Clausen OP, De Angelis PM: TP53/p53 alterations and Aurora A expression in progressor and nonprogressor colectomies from patients with longstanding ulcerative colitis. Int J Mol Med 2015; 35: 24.    
  92. Aasrum M, Tjomsland V, Thoresen GH, De Angelis PM, Christoffersen T, Brusevold IJ: PI3K is required for both basal and LPA-induced DNA synthesis in oral carcinoma cells. J Oral Pathol Med 2015 doi: 10.1111/jop.12384 [Epub ahead of print]
  93. Joshi S, Schjølberg AR, Ekstrøm PO, De Angelis PM, Zucknick M, Andersen SN, Clausen OP: Tp53/p53 status in keratoacanthomas.
    J Cutan Pathol. 2016 Jul;43(7):571-8. doi: 10.1111/cup.12713. Epub 2016 Apr 20. PMID: 27020606
  94. Lorentzen JA, Grzyb K, De Angelis PM, Hoff G, Eide TJ, Andresen PA: Oncogene Mutations in Colorectal Polyps Identified in the Norwegian Colorectal Cancer Prevention (NORCCAP) Screening Study. Clin Med Insights Pathol. 2016 Sep 7;9:19-28. doi: 10.4137/CPath.s40143. eCollection 2016. PMID: 27656095 
  95. De Angelis PM, Schjølberg AR, Hughes JB, Huitfeldt HS, Norheim Andersen S, Østvold AC: Nondysplastic Ulcerative Colitis Has High Levels of the Homologous Recombination Repair Protein NUCKS1 and Low Levels of the DNA Damage Marker Gamma-H2AX.
    Inflamm Bowel Dis. 2018 Feb 15;24(3):593-600. doi: 10.1093/ibd/izx071. PMID: 29462394
  96. Joshi S, De Angelis PM, Zucknick M, Schjølberg AR, Andersen SN, Clausen OPF. Role of the Wnt signaling pathway in keratoacanthoma. Cancer Rep (Hoboken). 2020 Apr;3(2):e1219. doi: 10.1002/cnr2.1219. Epub 2019 Nov 11. PMID: 32672002
  97. De Angelis PM, Dorg L, Pham S, Andersen SN. DNA Repair Protein Expression and Oxidative/Nitrosative Stress in Ulcerative Colitis and Sporadic Colorectal Cancer. Anticancer Res. 2021 Jul;41(7):3261-3270. doi: 10.21873/anticanres.15112. PMID: 34230120