JIANG Xiaocui,TIAN Daizhi,LIU Qi,et al.Shenling Baizhusan Improves Spermatogenesis in Hyperuricemia Oligoasthenospermia Mice by Regulating Nrf2/ARE Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(15):22-30.
JIANG Xiaocui,TIAN Daizhi,LIU Qi,et al.Shenling Baizhusan Improves Spermatogenesis in Hyperuricemia Oligoasthenospermia Mice by Regulating Nrf2/ARE Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(15):22-30. DOI: 10.13422/j.cnki.syfjx.20230537.
Shenling Baizhusan Improves Spermatogenesis in Hyperuricemia Oligoasthenospermia Mice by Regulating Nrf2/ARE Pathway
To investigate the effect and mechanism of Shenling Baizhusan on the treatment of oligoasthenospermia with hyperuricemia (HUA).
Method
2
Thirty-two male Kunming (KM) mice were randomly divided into blank group (
n
=6), model group (
n
=6), high-dose Shenling Baizhusan group (
n
=7), low-dose Shenling Baizhusan group (
n
=7), and febuxostat group (
n
=6). Except for the blank group, all other groups received intraperitoneal injection of potassium oxazinate suspension (600 mg·kg
-1
) for 7 days. After modeling, the high-dose Shenling Baizhusan group and the low-dose Shenling Baizhusan group were orally administered with 20.14 g·kg
-1
and 10.07 g·kg
-1
of Shenling Baizhusan, respectively. The Febuxostat group was orally administered with 0.25 g·kg
-1
of Febuxostat, while the blank group and model group were orally administered with the same volume of physiological saline. Oral administration was performed once a day for 14 consecutive days, after which samples were collected. Biochemical methods were used to measure serum uric acid (UA), superoxide dismutase (SOD) and malondialdehyde (MDA) in testicular tissue. Hematoxylin-eosin (HE) staining was used to observe the histopathological changes in testicular tissue and evaluate the spermatogenesis function. Automated sperm analyzer was used to measure sperm density and motility. Single-cell gel electrophoresis (SCGE) was used to assess sperm DNA integrity. Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) was used to detect testicular cell apoptosis rate. Western blot analysis was performed to measure the protein expression levels of Kelch-like ECH-associated protein 1 (Keap1), nuclear factor E
2
-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), B-cell lymphoma-2 (Bcl-2), Bcl-2-associated X protein (Bax), and Caspase-3 in testicular tissue. Real-time polymerase chain reaction (PCR) was conducted to evaluate the mRNA expression levels of Keap1, Nrf2, and HO-1 in testicular tissue.
Result
2
Compared with the blank group, the model group showed elevated serum UA level (
P
<
0.01), decreased testicular spermatogenesis function, sperm density, and motility (
P
<
0.01), and increased sperm trailing rate and testicular cell apoptosis rate (
P
<
0.01). Compared with the model group, the high-dose Shenling Baizhusan group showed significant improvements in the above-mentioned indicators (
P
<
0.05,
P
<
0.01). Additionally, the expression levels of Keap1, Bax, and Caspase-3 in testicular tissue were reduced, while the expression levels of Nrf2, HO-1, and Bcl-2 increased (
P
<
0.05,
P
<
0.01). The mRNA level of Keap1 decreased (
P
<
0.05,
P
<
0.01), while the mRNA levels of Nrf2 and HO-1 increased (
P
<
0.05,
P
<
0.01).
Conclusion
2
Shenling Baizhusan can significantly improve HUA oligoasthenospermia, and its mechanism may be related to the Nrf2/antioxidant response element (ARE) signaling pathway.
KHATUN A , RAHMAN M S , PANG M G . Clinical assessment of the male fertility [J]. Obstet Gynecol Sci , 2018 , 61 ( 2 ): 179 - 191 .
ANDREYCHENKO S V , KLEPKO A V , GORBAN L V , et al . Post-Chornobyl remote radiation effects on human sperm and seminal plasma characteristics [J]. Exp Oncol , 2016 , 38 ( 4 ): 245 - 251 .
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