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Increased expression of the von Hippel–Lindau gene in the implantation site of human tubal pregnancy

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Abstract

The objective of this study was to investigate the expression of the von Hippel–Lindau (VHL) gene in tissues of human fallopian tube and tubal pregnancy. Twenty patients undergoing salpingectomy for tubal pregnancy were recruited into the study group. Tissues of tubal pregnancy were separated into both the implantation and non-implantation sites as the implantation group and the non-implantation group, respectively. Samples of ampullary fallopian tube during mid-secretory phase were collected from twenty patients with benign uterine disease as the control group. Immunohistochemistry, real-time reverse transcription polymerase chain reaction, and Western blotting analysis were performed to detect expressions of VHL mRNA and protein. The results showed that VHL immunostaining appeared in the cytoplasm of tubal epithelial cells. Expression of VHL mRNA in the implantation group was higher than that in the non-implantation group or the control group (P < 0.01). Intensity of VHL protein in the implantation group was increased compared with that in the non-implantation group (P < 0.05) or in the control group (P < 0.01). There was no difference on expressions of VHL mRNA and protein between the non-implantation group and the control group (P > 0.05). In conclusion, VHL mRNA and protein are present in human tubal tissues. The VHL gene expression is increased in the implantation site of tubal pregnancy, and locally elevated expression of the VHL gene might be associated with human tubal pregnancy.

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Authors and Affiliations

  1. Institute of Reproductive Immunology, College of Life Science and Technology, Jinan University, 601# Huang Pu Da Dao Xi, Guangzhou, 510632, People’s Republic of China

    Jian-Ying Xu, Wei-Jie Zhu & Huan Jiang

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  1. Jian-Ying Xu
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  2. Wei-Jie Zhu
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  3. Huan Jiang
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Correspondence to Wei-Jie Zhu.

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Xu, JY., Zhu, WJ. & Jiang, H. Increased expression of the von Hippel–Lindau gene in the implantation site of human tubal pregnancy. Mol Cell Biochem 368, 173–179 (2012). https://doi.org/10.1007/s11010-012-1357-0

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  • DOI: https://doi.org/10.1007/s11010-012-1357-0

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