ArticleMolecular medicine reports2017
Expression and subcellular localization of AT motif binding factor 1 in colon tumours.
Article in Molecular medicine reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 11 citations in OpenAlex.
- The association between new onset atrial fibrillation and incident cancer-A nationwide cohort study.PloS one · 2018Trial
- Haploinsufficiency of ZFHX3, encoding a key player in neuronal development, causes syndromic intellectual disability.American journal of human genetics · 2024Article
- ATBF1 is a potential diagnostic marker of histological grade and functions via WNT5A in breast cancer.BMC cancer · 2022Article
- SUMOylation of the transcription factor ZFHX3 at Lys-2806 requires SAE1, UBC9, and PIAS2 and enhances its stability and function in cell proliferation.The Journal of biological chemistry · 2020Article
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Authors and funding
13 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
AT motif binding factor 1 (ATBF1) is a transcriptional regulator that functions as a tumour suppressor to negatively affect cancer cell growth. In the present study four specific polyclonal antibodies against ATBF1 were generated, and the expression and intracellular localization of ATBF1 in colonic mucosae, polyps, adenoma and adenocarcinoma tissue samples were investigated. The four polyclonal antibodies produced were as follows: MB34 and MB49, which recognize the N‑ and C‑terminal fragments of ATBF1, respectively; and D1‑120 and MB44, which recognize the middle fragments of ATBF1 that contain three nuclear localization signals (NLS). In total, 191 colon samples were examined by immunohistochemical analysis. In addition, colon cancer cells were transfected with four ATBF1 expression vectors, and the subcellular localization of each fragment was examined. Normal colon mucosal cells were not observed to express ATBF1. However, a small number of hyperplastic polyps, serrated adenomas and tubular adenomas expressed ATBF1. Colon cancer cells were observed to express D1‑120‑ and MB44‑reactive middle fragments of ATBF1 in their cell nuclei. However, the N‑ and C‑terminal fragments of ATBF1 did not translocate to the nucleus. Transfection of ATBF1 fragments revealed cleavage of the ATBF1 protein and nuclear translocation of the cleaved middle portion containing the NLS. A positive correlation between the cytoplasmic localization of the N‑ and C‑termini of ATBF1, nuclear localization of the middle portion of ATBF1 and malignant cancer cell invasion was observed. In conclusion, the results of the present study suggest that alterations in the expression and subcellular localization of ATBF1, as a result of post‑transcriptional modifications, are associated with malignant features of colon tumours.
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