Cross-sex transplantation alters gene expression and enhances inflammatory response in the transplanted kidneys

American Journal of Physiology. Renal Physiology
Lei WangRuisheng Liu

Abstract

Kidney transplantation (KTX) is a life-saving procedure for patients with end-stage renal disease. Expression levels of many genes in the kidney vary between males and females, which may play an essential role in the sex differences in graft function. However, whether these differences are affected after cross-sex-KTX is unknown. In the present study, we assessed postoperative changes in genotype, function, and inflammatory responses of the grafts in same-sex- and cross-sex-KTX. Single kidney transplants were performed between same and different sex C57BL/6 mice paired into four combination groups: female donor/female recipient (F/F); male donor/male recipient (M/M); female donor/male recipient (F/M); and male donor/female recipient (M/F). The remnant native kidney was removed 4 days posttransplant. Expression levels of genes related to the contractility of the afferent arteriole and tubular sodium reabsorption were assessed. Same-sex-KTX did not significantly alter the magnitude or sex difference pattern of gene expression in male or female grafts. Cross-sex-KTX showed an attenuated sex difference in gene expressions. The measurements of endothelin 1, endothelin ETA receptor, Na+-K--2Cl cotransporter 2 (NKCC2), and epithelial ...Continue Reading

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Citations

Nov 17, 2017·American Journal of Physiology. Renal Physiology·Lei WangRuisheng Liu
Jul 11, 2019·American Journal of Physiology. Renal Physiology·Jin WeiRuisheng Liu

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dissection
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light microscopy

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