Parr, Maria Kristina

Nutritional supplements cross-contaminated and faked with doping substances

Geyer, H., Parr, M. K., Koehler, K., Mareck, U., Schänzer, W., & Thevis, M. (2008) · Journal of Mass Spectrometry

Doping in SportsPharmaceutical Quality and Counterfeiting

Cited by 375

Analysis of Non-Hormonal Nutritional Supplements for Anabolic-Androgenic Steroids - Results of an International Study

Geyer, H., Parr, M. K., Mareck, U., Reinhart, U., Schrader, Y., & Schänzer, W. (2004) · International Journal of Sports Medicine

Doping in SportsPharmaceutical Quality and Counterfeiting

Cited by 344

Ecdysteroids as non-conventional anabolic agent: performance enhancement by ecdysterone supplementation in humans

Isenmann, E., Ambrosio, G., Joseph, J. F., Mazzarino, M., de la Torre, X., Zimmer, P., Kazlauskas, R., Goebel, C., Botrè, F., Diel, P., et al. (2019) · Archives of Toxicology

Doping in SportsPharmacological Effects and Assays

Cited by 127

Estrogen receptor beta is involved in skeletal muscle hypertrophy induced by the phytoecdysteroid ecdysterone.

Parr, M. K., Zhao, P., Haupt, O., Ngueu, S. T., Hengevoss, J., Fritzemeier, K. H., Piechotta, M., Schlörer, N., Muhn, P., Zheng, W., et al. (2014) · Molecular Nutrition & Food Research

Muscle Physiology and DisordersEstrogen and related hormone effects

Cited by 106

Ecdysteroids: A novel class of anabolic agents?

Parr, M., Botrè, F., Naß, A., Hengevoss, J., Diel, P., & Wolber, G. (2014) · Biology of Sport

Doping in SportsPharmacological Effects and Assays

Cited by 95

Targeting the administration of ecdysterone in doping control samples

Parr, M. K., Ambrosio, G., Wuest, B., Mazzarino, M., de la Torre, X., Sibilia, F., Joseph, J. F., Diel, P., & Botrè, F. (2020) · Forensic Toxicology

Doping in SportsForensic Toxicology and Drug Analysis

Cited by 38

Serum testosterone and urinary excretion of steroid hormone metabolites after administration of a high-dose zinc supplement

Koehler, K., Parr, M. K., Geyer, H., Mester, J., & Schänzer, W. (2009) · European Journal of Clinical Nutrition

Trace Elements in HealthHormonal and reproductive studies

Cited by 36

High doses of the anabolic steroid metandienone found in dietary supplements

Geyer, H., Bredehöft, M., Mareck, U., Parr, M., & Schänzer, W. (2003) · European Journal of Sport Science

Doping in SportsPharmaceutical Quality and Counterfeiting

Cited by 28

Differential compartmentalization of myeloid cell phenotypes and responses towards the CNS in Alzheimer’s disease

Fernández Zapata, C., Giacomello, G., Spruth, E. J., Middeldorp, J., Gallaccio, G., Dehlinger, A., Dames, C., Leman, J. K. H., van Dijk, R. E., Meisel, A., et al. (2022) · Nature Communications

Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatments

Cited by 27

How reliable is dietary supplement labelling?-Experiences from the analysis of ecdysterone supplements.

Ambrosio, G., Wirth, D., Joseph, J. F., Mazzarino, M., de la Torre, X., Botrè, F., & Parr, M. K. (2020) · Journal of Pharmaceutical and Biomedical Analysis

Analytical Methods in PharmaceuticalsPharmaceutical Quality and Counterfeiting

Cited by 25

Urinary Elimination of Ecdysterone and its Metabolites following a Single-Dose Administration in Humans

Ambrosio, G., Yuliandra, T., Wuest, B., Mazzarino, M., Torre, X. D. L., Botrè, F., Diel, P., Isenmann, E., & Parr, M. K. (2021) · Metabolites

Doping in SportsPharmacological Effects and Assays

Cited by 14

Urinary Excretion of Ecdysterone and Its Metabolites Following Spinach Consumption

Yuliandra, T., Touvleliou, K., de la Torre, X., Botrè, F., Loke, S., Isenmann, E., Valder, S., Diel, P., & Parr, M. K. (2023) · Molecular Nutrition & Food Research

Phytochemical Studies and BioactivitiesFood Nutrient Composition and Product Development

Cited by 12

Combinatory in vitro effects of the β2-agonists salbutamol and formoterol in skeletal muscle cells

Piribauer, M., Jiang, L., Kostov, T., Parr, M., Steidel, S., Bizjak, D. A., Steinacker, J. M., & Diel, P. (2023) · Toxicology Letters

Pharmacological Effects and AssaysDoping in Sports

Cited by 10

Testing anabolic activity, potency and mechanisms of action of the phyto-derived beta 2 agonist higenamine

Jiang, L., Piribauer, M., Kostov, T., Steidel, S., Bizjak, D., Steinacker, J., Parr, M., & Diel, P. (2023) · Toxicology Letters

Pharmacological Effects and AssaysDoping in Sports

Cited by 8

Quinoa as phytopharmaceutical? Urinary elimination of ecdysterone after consumption of quinoa alone and in combination with spinach

Isenmann, E., Yuliandra, T., Touvleliou, K., Broekmann, M., de la Torre, X., Botrè, F., Diel, P., & Parr, M. K. (2024) · Archiv der Pharmazie

Doping in SportsPharmacological Effects and Assays

Cited by 5

Quinoa as Functional Food? Urinary elimination of ecdysterone after consumption of quinoa alone and in combination with spinach

Isenmann, E., Yuliandra, T., Touvleliou, K., Broekmann, M., Torre, X. D. L., Botrè, F., Diel, P., & Parr, M. K. (2023) · bioRxiv (Cold Spring Harbor Laboratory)

Doping in SportsPhytochemical Studies and Bioactivities

Cited by 2

How reliable is the labeling of a commercial phytosteroid product? A 12-week randomized double-blind training study

Dissemond, J., Havers, T., Held, S., Geisler, S., Kostov, T., Diel, P., Türschmann, S., Parr, M. K., & Isenmann, E. (2025) · Journal of the International Society of Sports Nutrition

Doping in SportsSports Performance and Training

Cited by 2

Investigation of the Physiological and Post-training Effects of Ecdysteroid Supplementation by Multivariate Analysis of the Human Serum Metabolome

Leogrande, P., Jardines, D., Brito, D. M., de la Torre, X., Botrè, F., Luch, A., Diel, P., & Parr, M. K. (2024) · Journal of Chemometrics

Doping in SportsMetabolomics and Mass Spectrometry Studies

Cited by 1