ArticlePhysiological research2020
The effect of repeated passaging on the susceptibility of human proximal tubular HK-2 cells to toxic compounds.
Article in Physiological research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 11 citations in OpenAlex.
- Histamine regulates the activity and the expression of the NaInflammation research : official journal of the European Histamine Research Society ... [et al.] · 2025Article
- Hyperoside mitigates amphotericin B-induced nephrotoxicity in HK-2 cells via bioenergetic and oxidative stress modulation.BMC pharmacology & toxicology · 2025Article
- Extended passaging of the SKOV3 ovarian cancer cell line leads to two phenotypically different strains.Disease models & mechanisms · 2025Article
- Functional characterization of a bovine luteal cell culture model: Effects of passage number.PloS one · 2025Article
- Delivery and Transcriptome Assessment of an In Vitro Three-Dimensional Proximal Tubule Model Established by Human Kidney 2 Cells in Clinical Gelatin Sponges.International journal of molecular sciences · 2023Article
- Quantitative spectrofluorometric assay detecting nuclear condensation and fragmentation in intact cells.Scientific reports · 2021Article
- Premature Senescence and Telomere Shortening Induced by Oxidative Stress From Oxalate, Calcium Oxalate Monohydrate, and Urine From Patients With Calcium Oxalate Nephrolithiasis.Frontiers in immunology · 2021Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The human proximal tubular HK-2 cell line is an immortalized cell line commonly used for studying proximal tubular toxicity. Even as their use is presently increasing, there unfortunately are no studies focused on functional changes in HK-2 cells associated with passaging. The aim of the present study, therefore, was to evaluate the functional stability of HK-2 cells during 13 weeks of continuous passaging after 6 and 24 h of treatment with model nephrotoxic compounds (i.e., acetaminophen, cisplatin, CdCl(2)). Short tandem repeat profile, the doubling time, cell diameter, glutathione concentration, and intracellular dehydrogenase activity were measured in HK-2 cells at each tested passage. The results showed that HK-2 cells exhibit stable morphology, cell size, and cell renewal during passaging. Mean doubling time was determined to be 54 h. On the other hand, we observed a significant effect of passaging on the susceptibility of HK-2 cells to toxic compounds. The largest difference in results was found in both cadmium and cisplatin treated cells across passages. We conclude that the outcomes of scientific studies on HK-2 cells can be affected by the number of passages even after medium-term cultivation and passaging for 13 weeks.
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