Zhonghua nan ke xue = National journal of andrology · 2020
[Expression of the kallistatin gene in rat corpus cavernosum].
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Zhuan Li, Shang Kun, Guan Jie, Li Yun-Xiu, Mai Xuan-Cheng, Xu Qin
Аннотация
OBJECTIVE: To investigate the expression of the kallistatin gene in the corpus cavernosum and search for some new molecular targets for the regulation of penile erectile function and treatment of ED.
METHODS: Using reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR), Western blot and immunofluorescence staining, we detected the expression of kallistatin in the rat corpus cavernosum and compared it with that in the aorta.
RESULTS: The results of RT-qPCR and Western blot revealed both mRNA and protein expressions of kallistatin in the rat corpus cavernosal tissue, with no statistically significant difference from those in the aorta (P > 0.05). Immunofluorescence staining showed that kallistatin was expressed in both endothelial and smooth muscle cells in the corpus cavernosum and localized in the cytoplasm, with no statistically significant difference from its expression in the aorta (P > 0.05) either.
CONCLUSIONS: The kallistatin gene is highly expressed in the corpus cavernosum and localized in cavernosal endothelial and smooth muscle cells, suggestive of its involvement in the cellular function of cavernosal endothelial and smooth muscle cells and its participation in the regulation of penile erectile function.
METHODS: Using reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR), Western blot and immunofluorescence staining, we detected the expression of kallistatin in the rat corpus cavernosum and compared it with that in the aorta.
RESULTS: The results of RT-qPCR and Western blot revealed both mRNA and protein expressions of kallistatin in the rat corpus cavernosal tissue, with no statistically significant difference from those in the aorta (P > 0.05). Immunofluorescence staining showed that kallistatin was expressed in both endothelial and smooth muscle cells in the corpus cavernosum and localized in the cytoplasm, with no statistically significant difference from its expression in the aorta (P > 0.05) either.
CONCLUSIONS: The kallistatin gene is highly expressed in the corpus cavernosum and localized in cavernosal endothelial and smooth muscle cells, suggestive of its involvement in the cellular function of cavernosal endothelial and smooth muscle cells and its participation in the regulation of penile erectile function.