The DOI matches its Crossref record.
Embryonic-fetal erythroid characteristics of a human leukemic cell line.
Open accessAbstract
We have studied a number of cell surface, enzyme, and protein markers in the human leukemic K562 cell line. We have confirmed previous observations that these cells accumulate human embryonic hemoglobins after exposure to hemin. In addition, our results demonstrated that these cells possess in the "ininduced" state i surface antigen, lactate dehydrogenase isoenzymes characteristic of embryonic or fetal erythroid cells, fetal and embryonic globin chains, and globin mRNAs. The levels if i antigen, embryonic globin chains, and embryonic globin mRNA increased substantially after exposure of the cells to hemin in suspension culture. In contrast, K562 cells lacked several surface, enzymatic, and functional properties typical of granulocytes, lymphocytes, monocytes, or adult erythroblasts, including HLA surface antigens, surface immunoglobulins, sheep erythrocyte rosetting, phagocytosis, terminal deoxynucleotidyl transferase, carbonic anhydrase, ABO and Rh blood groups, and adult hemoglobins. The K562 cell line therefore exhibits phenotypic properties of embryonic erythroid progenitor cells and a quantitative increase in the expression of some of these properties can be achieved by exposure of the cells to hemin.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Free heme toxicity and its detoxification systems in human
Kumar, S., & Bandyopadhyay, U. (2005) · Toxicology Letters · doi:10.1016/j.toxlet.2005.03.004 · Cited by 852
Different Faces of the Heme-Heme Oxygenase System in Inflammation
Wagener, F. A. D. T. G., Volk, H.-D., Willis, D., Abraham, N. G., Soares, M. P., Adema, G. J., & Figdor, C. G. (2003) · Pharmacological Reviews · doi:10.1124/pr.55.3.5 · Cited by 537
Tsiftsoglou, A. S., Tsamadou, A. I., & Papadopoulou, L. C. (2006) · Pharmacology & Therapeutics · doi:10.1016/j.pharmthera.2005.10.017 · Cited by 281
Tuan, D. Y., Solomon, W. B., London, I. M., & Lee, D. P. (1989) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.86.8.2554 · Cited by 277
Dogan, N., Wu, W., Morrissey, C. S., Chen, K.-B., Stonestrom, A., Long, M., Keller, C. A., Cheng, Y., Jain, D., Visel, A., et al. (2015) · Epigenetics & Chromatin · doi:10.1186/s13072-015-0009-5 · Cited by 114
Metadata
- Authors
- Benz, E. J., Murnane, M. J., Tonkonow, B. L., Berman, B. W., Mazur, E. M., Cavallesco, C., Jenko, T., Snyder, E. L., Forget, B. G., & Hoffman, R.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1980-06
- Volume
- 77
- Issue
- 6
- Pages
- 3509-3513
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W1991102898
- Cited by
- 167
- References
- 0
- FWCI
- 9.00
- Type
- journal article
- Language
- en
- Open access
- green
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Embryonic-fetal erythroid characteristics of a human leukemic cell line. https://app.cochat.ai/papers/10.1073/pnas.77.6.3509
- The paper
- Benz, E. J., Murnane, M. J., Tonkonow, B. L., Berman, B. W., Mazur, E. M., Cavallesco, C., Jenko, T., Snyder, E. L., Forget, B. G., & Hoffman, R. (1980). Embryonic-fetal erythroid characteristics of a human leukemic cell line. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.77.6.3509
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.