ArticleNan fang yi ke da xue xue bao = Journal of Southern Medical University2024
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Article in Nan fang yi ke da xue xue bao = Journal of Southern Medical University, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
objectiveTo investigate the therapeutic mechanism of
methodsSixty male homozygous TX mice were randomized equally into 4 groups and treated with daily gavage of saline (WD model group), penicillamine (0.09 g/kg), or GDBSD (0.2 mL/10 g), or with intraperitoneal injection of U0126 (20 mg/kg) in addition to GDBSD gavage, with 15 male DL mice as control. After 4 weeks of treatment, copper content in testicular tissue of the mice was detected, and histopathology of the testes and epididymis was examined using HE staining and electron microscopy. TUNEL staining was used to identify apoptotic cells in the testes. The protein expressions of Bcl-2, Cytc, caspase-3, ERK, and p-ERK in the testicular tissue were evaluated with Western blotting, and BrdU-positive cells were detected with immunohistochemical labeling. Sperm density, viability, malformation rate and fertility levels of male mice were studied.
resultsTreatment with penicillamine and GDBSD obviously improved pathological changes of the testis, increased sperm density and motility, lowered sperm abnormality rate, fertility levels and increased testicular JOHNSEN score of TK mice, but the therapeutic effect of GDBSD was blocked by U0126. GDBSD treatment significantly lowered Cytc and caspase-3 expressions and increased Bcl-2 expression in the testicular tissue of TX mice (
conclusionGDBSD can improve spermatogenesis and enhance fertility of male TX mice with WD possibly by activating the ERK signaling pathway to enhance proliferation and reduce apoptosis of the spermatogenic cells.
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