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Comparison of mRNA Expression of P2X Receptor Subtypes in Different Arterial Tissues of Rats

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Abstract

This study aims to compare the expression of P2X receptor subtype mRNA in different arterial tissues of rats. After the rats were sacrificed, the internal carotid, pulmonary, thoracic aorta, mesenteric and caudal arteries were dissected out. Then, the P2X receptor mRNA expression in different blood vessels was detected by reverse transcription-polymerase chain reaction (RT-PCR) and real-time quantitative polymerase chain reaction. The P2X1, P2X4 and P2X7 receptor mRNA amplification products revealed specific bands of the same size as the amplified target fragment in their respective lanes, while the P2X2, P2X3, P2X5 and P2X6 receptor mRNA amplification products did not reveal significant specific bands in their respective lanes by RT-PCR. Based on the P2X1 receptor mRNA expression of the mesenteric artery, there were no significant differences in the internal carotid, pulmonary and thoracic aorta (0.64 ± 0.07, 0.17 ± 0.11 and 1.49 ± 0.65, respectively). However, the P2X1 receptor mRNA expression level in the caudal artery significantly increased (11.06 ± 1.99, P < 0.01). Furthermore, there was no difference in P2X4 receptor mRNA expression among these five blood vessels (P > 0.05). The P2X7 receptor mRNA expression level was significantly different: pulmonary artery < tail artery = thoracic aorta < internal carotid artery < mesenteric artery. The relative P2X1 receptor mRNA expression in the caudal artery was observed to be elevated when compared to that of the internal carotid, pulmonary and thoracic aorta as well as the mesenteric arteries. The P2X7 receptor mRNA expression level is pulmonary artery < caudal artery = thoracic aorta < internal carotid artery < mesenteric artery. P2X4 receptor mRNA expression was not significantly different among these five blood vessels.

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Funding

This study was supported by Science and Technology Support Project of Hebei Province, China (No.: 132777159).

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Authors and Affiliations

  1. Department of Anesthesiology, Affiliated Hospital of Hebei University, No. 212 of Yuhua East Road, Lianchi District, Baoding, 071000, China

    Ling-Zhi Li, Zhi-Min Zhang, Hong-Jie Wang & Lu Li

  2. Department of Anesthesiology and Pain Medicine, Hebei General Hospital, Shijiazhuang, 050051, China

    Li-Hui Yue

  3. Department of Pharmacology, Institute of Chinese Integrative Medicine, Hebei Medical University, Shijiazhuang, 050017, China

    Jing Zhao & Lei-Ming Ren

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  1. Ling-Zhi Li
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  2. Li-Hui Yue
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  3. Zhi-Min Zhang
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  4. Jing Zhao
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  5. Lei-Ming Ren
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  6. Hong-Jie Wang
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  7. Lu Li
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Correspondence to Hong-Jie Wang or Lu Li.

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Li, LZ., Yue, LH., Zhang, ZM. et al. Comparison of mRNA Expression of P2X Receptor Subtypes in Different Arterial Tissues of Rats. Biochem Genet 58, 677–690 (2020). https://doi.org/10.1007/s10528-020-09968-9

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  • DOI: https://doi.org/10.1007/s10528-020-09968-9

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