Dr. E.P.M. (Elpetra) Timmermans-Sprang

Prof. dr. H. Jakobgebouw
Yalelaan 108
3584 CM Utrecht

Dr. E.P.M. (Elpetra) Timmermans-Sprang

Research and Education Assistant
Internal Medicine of Companion Animals

Publications

2024

Scholarly publications

Timmermans, E. P. M., Blankevoort, J., Grinwis, G. C. M., Mesu, S. J., Gehring, R., Delhanty, P. J. D., Maas, P. E. M., Strous, G. J., & Mol, J. A. (2024). In Vivo Effects of a GHR Synthesis Inhibitor During Prolonged Treatment in Dogs. Pharmaceuticals (Basel, Switzerland), 17(10), Article 1381. https://doi.org/10.3390/ph17101381
https://research-portal.uu.nl/ws/files/243691833/pharmaceuticals-17-01381-v3.pdf
van den Berg, M. F., Bechmann, N., Kooistra, H. S., van Wolferen, M. E., Timmermans-Sprang, E. P. M., Peitzsch, M., & Galac, S. (2024). Metabolomic profiling of pheochromocytomas in dogs: Catecholamine phenotype and tricarboxylic acid cycle metabolites. Journal of Veterinary Internal Medicine, 38(5), 2415-2424. https://doi.org/10.1111/jvim.17148
https://research-portal.uu.nl/ws/files/241137117/Veterinary_Internal_Medicne_-_2024_-_Berg_-_Metabolomic_profiling_of_pheochromocytomas_in_dogs_Catecholamine_phenotype_and.pdf

2023

Scholarly publications

van den Berg, M. F., Kooistra, H. S., Grinwis, G. C. M., Nicoli, S., Golinelli, S., Stammeleer, L., van Wolferen, M. E., Timmermans-Sprang, E. P. M., Zandvliet, M. M. J. M., van Steenbeek, F. G., & Galac, S. (2023). Whole transcriptome analysis of canine pheochromocytoma and paraganglioma. Frontiers in Veterinary Science, 10, Article 1155804. https://doi.org/10.3389/fvets.2023.1155804
https://dspace.library.uu.nl/bitstream/handle/1874/430741/fvets-10-1155804.pdf?sequence=1
van der Krift, F., Zijlmans, D. W., Shukla, R., Javed, A., Koukos, P. I., Schwarz, L. LE., Timmermans-Sprang, E. P., Maas, P. E., Gahtory, D., van den Nieuwboer, M., Mol, J. A., Strous, G. J., Bonvin, A. M., van der Stelt, M., Veldhuizen, E. J., Weingarth, M., Vermeulen, M., Klumperman, J., & Maurice, M. M. (2023). A novel antifolate suppresses growth of FPGS-deficient cells and overcomes methotrexate resistance. Life Science Alliance, 6(11), Article e202302058. https://doi.org/10.26508/lsa.202302058
https://dspace.library.uu.nl/bitstream/handle/1874/430543/e202302058.full.pdf?sequence=1

2022

Scholarly publications

van der Velden, L. M., Maas, P., van Amersfoort, M., Timmermans-Sprang, E. P. M., Mensinga, A., van der Vaart, E., Malergue, F., Viƫtor, H., Derksen, P. W. B., Klumperman, J., van Agthoven, A., Egan, D. A., Mol, J. A., & Strous, G. J. (2022). Small molecules to regulate the GH/IGF1 axis by inhibiting the growth hormone receptor synthesis. Frontiers in Endocrinology, 13, 1-14. Article 926210. https://doi.org/10.3389/fendo.2022.926210
https://dspace.library.uu.nl/bitstream/handle/1874/422312/fendo_13_926210.pdf?sequence=1

2021

Scholarly publications

Sanders, K., Veldhuizen, A., Kooistra, H. S., Slob, A., Timmermans-Sprang, E. P. M., Riemers, F. M., Daminet, S., Fracassi, F., van Nimwegen, S. A., Meij, B. P., & Galac, S. (2021). Circulating MicroRNAs as Non-invasive Biomarkers for Canine Cushing's Syndrome. Frontiers in Veterinary Science, 8, 1-12. Article 760487. https://doi.org/10.3389/fvets.2021.760487
https://dspace.library.uu.nl/bitstream/handle/1874/415840/fvets_08_760487.pdf?sequence=1

2019

Scholarly publications

Timmermans-Sprang, E. (2019). Wnt Signaling in Canine Mammary Cancer. [Doctoral thesis 1 (Research UU / Graduation UU), Universiteit Utrecht]. Utrecht University.
https://dspace.library.uu.nl/bitstream/handle/1874/384546/1-57471_timmermans_thesisfinal12082019.pdf?sequence=1
Timmermans-Sprang, E., Collin, R., Henkes, A., Philipsen, M., & Mol, J. A. (2019). P-cadherin mutations are associated with high basal Wnt activity and stemness in canine mammary tumor cell lines. Oncotarget, 10(31), 2930-2946. https://doi.org/10.18632/oncotarget.26873, https://doi.org/10.18632
https://dspace.library.uu.nl/bitstream/handle/1874/381453/Oncotarget_P_cadherin.pdf?sequence=1
Timmermans-Sprang, E. P. M., Mestemaker, H. M., Steenlage, R. R., & Mol, J. A. (2019). Dasatinib inhibition of cSRC prevents the migration and metastasis of canine mammary cancer cells with enhanced Wnt and HER signaling. Veterinary and Comparative Oncology, 17(3), 413-426. https://doi.org/10.1111/vco.12490
https://dspace.library.uu.nl/bitstream/handle/1874/383262/Dasatinib.pdf?sequence=1

2018

Scholarly publications

Verhoeven, C., Sprang, E. P. M., Liu, JS., Gracanin, A., Coelingh Bennink, H. J. T., & Mol, J. A. (2018). Fetal Estetrol (E4) Inhibits Growth Hormone (GH) Signal Transduction in Breast Cancer Cell Lines. Austin Journal of Obstetrics and Gynecology, 5(7), Article 1123. http://austinpublishinggroup.com/obstetrics-gynecology/download.php?file=fulltext/ajog-v5-id1123.pdf
https://dspace.library.uu.nl/bitstream/handle/1874/377591/fulltext_ajog_v5_id1123.pdf?sequence=1

2017

Scholarly publications

Selvarajah, G. T., Bonestroo, F. A. S., Timmermans Sprang, E. P. M., Kirpensteijn, J., & Mol, J. A. (2017). Reference gene validation for gene expression normalization in canine osteosarcoma: a geNorm algorithm approach. BMC Veterinary Research, 13, Article 354. https://doi.org/10.1186/s12917-017-1281-3
https://dspace.library.uu.nl/bitstream/handle/1874/360451/gene.pdf?sequence=1
Timmermans-Sprang, E. P. M., Gracanin, A., & Mol, J. A. (2017). Molecular Signaling of Progesterone, Growth Hormone, Wnt, and HER in Mammary Glands of Dogs, Rodents, and Humans: New Treatment Target Identification. Frontiers in Veterinary Science, 4, Article 53. https://doi.org/10.3389/fvets.2017.00053
https://dspace.library.uu.nl/bitstream/handle/1874/359741/progesterone.pdf?sequence=1

2015

Scholarly publications

Timmermans-Sprang, E. P. M., Gracanin, A., & Mol, J. A. (2015). High basal Wnt signaling is further induced by PI3K/mTor inhibition but sensitive to cSRC inhibition in mammary carcinoma cell lines with HER2/3 overexpression. BMC Cancer, 15(545). https://doi.org/10.1186/s12885-015-1544-y
https://dspace.library.uu.nl/bitstream/handle/1874/330595/1544_y.pdf?sequence=1

2014

Scholarly publications

Gracanin, A., Timmermans-Sprang, E. P. M., van Wolferen, M. E., Rao, N. A. S., Grizelj, J., Vince, S., Hellmen, E., & Mol, J. A. (2014). Ligand-independent canonical Wnt activity in canine mammary tumor cell lines associated with aberrant LEF1 expression. PLoS One, 9(6), Article e98698. https://doi.org/10.1371/journal.pone.0098698
https://dspace.library.uu.nl/bitstream/handle/1874/314471/canine.pdf?sequence=1
Gracanin, A., Voorwald, F. A., van Wolferen, M., Timmermans-Sprang, E., & Mol, J. A. (2014). Marginal activity of progesterone receptor B (PR-B) in dogs but high incidence of mammary cancer. Journal of Steroid Biochemistry and Molecular Biology, 144 Pt B, 492-9. https://doi.org/10.1016/j.jsbmb.2014.08.016

2013

Scholarly publications

Selvarajah, G., Kirpensteijn, J., Kik, M., Sprang, E. P. M., & Mol, J. (2013). Heat shock protein expression analysis in canine osteosarcoma reveals hsp90 as a potentially relevant therapeutic target. Cell Stress and Chaperones, 18(5), 607-22. Article PMC3745254.

2008

Scholarly publications

Timmermans-Sprang, E. P. M., Rao, N. A., & Mol, J. A. (2008). Transactivation of a growth hormone (GH) promoter-luciferase construct in canine mammary cells. Domestic Animal Endocrinology, 34(4), 403-410.

2002

Scholarly publications

Poffers, J., Lumeij, J. T., Timmermans-Sprang, E. P. M., & Redig, P. T. (2002). Further studies on the use of allopurinol to reduce plasma uric acid concentrations in the Red-tailed Hawk (Buteo jamaicensis) hyperuricaemic model. Avian Pathology, 31(6), 567-72. https://doi.org/10.1080/0307945021000024634
Peeters, M., Sprang, E. P. M., & Mol, J. (2002). Feline thyroid adenomas are in part associated with mutations in the G (s alpha)gene and not with polymorphisms found in the thyrotropin receptor. Thyroid, 12(7), 571-5. Article pmid12193300.
Lantinga-van Leeuwen, I. S., Timmermans-Sprang, E. A. P., & Mol, J. A. (2002). Cloning and characterization of the 5'-flanking region of the canine growth hormone gene. Molecular and Cellular Endocrinology, 197(1-2), 133-41. https://doi.org/10.1016/s0303-7207(02)00257-5

1999

Scholarly publications

van Vonderen, I. K., Kooistra, H. S., Sprang, E. P., & Rijnberk, A. (1999). Disturbed vasopressin release in 4 dogs with so-called primary polydipsia. Journal of Veterinary Internal Medicine, 13(5), 419-25. https://doi.org/10.1892/0891-6640(1999)013<0419:dvridw>2.3.co;2

1998

Scholarly publications

Lumeij, J. T., Sprang, E. P., & Redig, P. T. (1998). Further studies on allopurinol-induced hyperuricaemia and visceral gout in red-tailed hawks (Buteo jamaicensis). Avian Pathology, 27(4), 390-3. https://doi.org/10.1080/03079459808419356

1997

Scholarly publications

Mol, J. A., Selman, P. J., Sprang, E. P., van Neck, J. W., & Oosterlaken-Dijksterhuis, M. A. (1997). The role of progestins, insulin-like growth factor (IGF) and IGF-binding proteins in the normal and neoplastic mammary gland of the bitch: a review. Journal of reproduction and fertility. Supplement, 51, 339-44.
van Wijk, P. A., Rijnberk, A., Croughs, R. J. M., Meij, B. P., van Leeuwen, I. S., Sprang, E. P. M., & Mol, J. A. (1997). Molecular screening for somatic mutations in corticotropic adenomas of dogs with pituitary-depen dent hyperadrenocorticism. Journal of Endocrinological Investigation, 20, 1-7.

1995

Scholarly publications

Goossens, M. M., Meyer, H. P., Voorhout, G., & Sprang, E. P. (1995). Urinary excretion of glucocorticoids in the diagnosis of hyperadrenocorticism in cats. Domestic Animal Endocrinology, 12(4), 355-62. https://doi.org/10.1016/0739-7240(95)00046-h

1992

Scholarly publications

Van Wijk, P. A., Rijnberk, A., Croughs, R. J., Voorhout, G., Mol, J. A., & Sprang, E. P. M. (1992). Corticotropin-releasing hormone and adrenocorticotropic hormone concentrations in cerebrospinal fluid of dogs with pituitary-dependent hyperadrenocorticism. Endocrinology, 131(6), 2659-62. https://doi.org/10.1210/endo.131.6.1332844