Evidence map›Paper›PMID 23614109›Full record

ArticleClinical and experimental reproductive medicine2013

Nuclear localization of Obox4 is dependent on its homeobox domain.

Geon Tae Park, Kyung-Ah Lee

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Article in Clinical and experimental reproductive medicine, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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2 citing papers in PubMed.

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5 · Who and what money

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2 authors.

Geon Tae ParkDepartment of Biomedical Science, College of Life Science, CHA University, Seoul, Korea.
Kyung-Ah Lee

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveOocyte-specific homeobox 4 (Obox4) is preferentially expressed in oocytes and plays an important role in the completion of meiosis of oocytes. However, the Obox4 expression pattern has not been reported yet. In this study, we investigated the subcellular localization of Obox4 using a green fluorescent protein (GFP) fusion expression system.

methodsThree regions of Obox4 were divided and fused to the GFP expression vector. The partly deleted homeodomain (HD) regions of Obox4 were also fused to the GFP expression vector. The recombinant vectors were transfected into HEK-293T cells plated onto coated glass coverslips. The transfected cells were stained with 4',6-diamidino-2-phenylindol and photographed using a fluorescence microscope.

resultsMutants containing the HD region as well as full-length Obox4 were clearly localized to the nucleus. In contrast, the other mutants of either the N-terminal or C-terminal region without HD had impaired nuclear localization. We also found that the N-terminal and C-terminal of the Obox HD contributed to nuclear localization and the entire HD was necessary for nuclear localization of Obox4.

conclusionBased on the results of the present study, we demonstrated that the intact HD region of Obox4 is responsible for the nuclear localization of Obox4 protein in cells.

Indexed as

Homeodomain proteinLocalizationObox4

Identifiers

PMID23614109
PMCPMC3630287

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.