从对PKC与VEGF表达的影响探讨麝香-乳香对慢性非细菌性前列腺炎的治疗作用机制
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(株洲市人民医院泌尿外科,湖南 株洲 412000)

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贺勇凯(1992-),男,主治医师,E-mail: 806289678@qq.com

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基金项目: 株洲市2022年度创新型城市建设专项化资助项目


To Explore the Therapeutic Mechanism of Musk-frankincense on Chronic Nonbacterial Prostatitis from the Effects of PKC and VEGF Expression
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(Department of Urology, Zhuzhou Municipal People’s Hospital, Zhuzhou 412000, China)

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    摘要:

    目的 设计实验从麝香配伍乳香对蛋白激酶-C(PKC)、血管内皮生长因子(VEGF)表达水平的影响来探讨其对治疗慢性非细菌性前列腺炎的作用机制。方法 选取SD大鼠4只,用于大鼠前列腺蛋白提纯液的制备;48只6周龄雄性NoD小鼠,除去空白对照组外的所有NoD小鼠均建立慢性非细菌性前列腺炎模型,再随机分为7组:模型组、佛波酯(PMA)、高剂量麝香-乳香组、麝香-乳香组、低剂量麝香-乳香组、麝香组、乳香组。灌胃后脱颈处死,分离出前列腺组织,采用HE染色法观察前列腺组织病理改变;采用蛋白质免疫印迹(Western Blot,WB)检测前列腺组织中PKC、VEGF的表达情况。以病理学检查、PKA、VEGF水平变化等作为评价指标综合评价,探讨麝香+乳香治疗慢性非细菌性前列腺炎的作用机制。结果 各组炎症浸润程度比较从高到低依次为模型组>PMA组>麝香、乳香组>低剂量麝香-乳香组>麝香-乳香组>高剂量麝香-乳香组>空白组(P<0.05);与模型组比较,PKC表达水平由低到高依次为PMA组<空白组<模型组<麝香、乳香组<低剂量麝香-乳香组<麝香-乳香组<高剂量麝香-乳香组(P<0.05);VEGF的表达水平由低到高依次为空白组<模型组<麝香、乳香组<低剂量麝香-乳香组<麝香-乳香组<高剂量麝香-乳香组(P<0.05)<PMA组(P<0.05)。结论 非细菌性慢性炎症病理状态下,麝香+乳香可通过上调PKC表达水平,起到治疗作用;虽然其对下游VEGF表达水平有影响,但并未在治疗起到调控作用,相关作用机制有待进一步研究。

    Abstract:

    Objective To study the effect of musk and frankincense on the expression levels of protein kinase-C (PKC) and vascular endothelial growth factor (VEGF) in the treatment of chronic nonbacterial prostatitis. Methods 4 SD rats were selected for the preparation of purified prostatic protein solution. A chronic nonbacterial prostatitis model was established in 48 male NoD mice in 6-week-old except blank control group, and then randomly divided into 7 groups: model group, Phobolate (PMA), high-dose musk-frankincense group, musk-frankincense group, low-dose musk-frankincense group, musk-frankincense group, musk-frankincense group, and frankincense group. The prostatic tissue was isolated and the pathological changes of prostatic tissue were observed by HE staining. Western Blot (WB) was used to detect the expression of PKC and VEGF in prostate tissue. The mechanism of musk + frankincense in the treatment of chronic nonbacterial prostatitis was investigated by pathological examination, PKA and VEGF levels. Results The degree of inflammatory invasion among all groups was compared from high to low as model group > PMA group > Musk and Frankincense group > low-dose musk-Frankincense group > high-dose musk-Frankincense group > blank group. Compared with model group (P<0.05), the PKC expression levels in PMA group < blank group < model group < Musk group, frankincense group < low-dose musk-frankincense group < musk-frankincense group < high-dose musk-frankincense group(P<0.05); The expression levels of VEGF were successively from low to high in blank group < model group < Musk group, frankincense group < low-dose musk-Frankincense group < musk-Frankincense group < high-dose musk-frankincense group(P<0.05) < PMA group(P<0.05). Conclusion Musk + frankincense can up-regulate the expression level of PKC in the pathological state of non-bacterial chronic inflammation. Although it has an effect on the expression level of downstream VEGF, it also plays a regulatory role in treatment, and the relevant mechanism of action needs to be further studied.

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  • 收稿日期:2023-10-12
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  • 在线发布日期: 2023-12-27
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