testes

睾丸
  • 文章类型: Journal Article
    背景:使用坏死性筋膜炎的实验室风险指标(LRINEC)评分和下肢以外的部位(SIARI)评分来预测诊断为Fournier坏疽(FG)患者的睾丸受累。
    方法:本研究回顾性评估了2012年12月至2022年4月在我们诊所接受FG手术的51例患者的病历。患者人口统计学,并将实验室检查结果与睾丸受累状态进行比较。有睾丸受累的患者(n=10)与无睾丸受累的患者(n=41)进行了比较。首次入院时的SIARI评分使用逻辑回归分析其在预测FG睾丸受累方面的表现。使用受试者工作特征(ROC)曲线和受试者工作特征曲线下面积(AUROC)来评估其辨别能力。
    结果:SIARI评分在诊断FG患者睾丸受累方面具有适度的表现,ROC分析显示AUROC值为0.83(p<0.001)。SIARI截止评分≥3时,敏感性为90%,特异性为68%。对于≥5的SIARI截止评分,敏感性为40%,特异性为97%。
    结论:SIARI评分区分FG伴睾丸受累的能力较弱。在初次入院时,应谨慎使用SIARI评分作为预测FG睾丸受累的常规诊断工具。需要更多的研究来更好地了解SIARI评分与FG中睾丸受累之间的关系。
    BACKGROUND: To predict testicular involvement in patients diagnosed with Fournier\'s gangrene (FG) using the Laboratory Risk Indicator for Necrotizing Fasciitis (LRINEC) score and the site other than lower limb (SIARI) score.
    METHODS: The medical records of 51 patients operated for FG in our clinic between December 2012 and April 2022 were evaluated retrospectively in this study. Patients\' demographics, and laboratory test results were compared with the testisticular involvement status. Patients with testisticular involvement (n = 10) were compared with patients without testicular involvement (n = 41). The SIARI score at initial admission was analysed using logistic regression analyses for its performance in predicting testicular involvement with FG. Receiver operating characteristics (ROC) curves and the area under the receiver operating characteristic curve (AUROC) were used to evaluate its discriminating ability.
    RESULTS: The SIARI score had modest performance for diagnosing testicular involvement in FG patients, with ROC analysis showing an AUROC value of 0.83 (p < 0.001). With a SIARI cut-off score of ≥ 3, the sensitivity was 90% and the specificity was 68%. For a SIARI cut-off score of ≥ 5, the sensitivity was 40% and the specificity was 97%.
    CONCLUSIONS: The ability of the SIARI score to discriminate FG with testicular involvement is modest. The SIARI score should be employed cautiously as a routine diagnostic tool for the prediction of testicular involvement in FG at the initial admission. More research is needed to develop a better understanding of the relationship between the SIARI score and testicular involvement in FG.
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  • 文章类型: Journal Article
    在小鼠生殖细胞中评估了基于衍生自水解木质素的多酚化合物的BP-C2组合物(剂量为60、80和120mg/kg)的体内抗遗传毒性活性。BP-C2组合物剂量依赖性地降低拓扑异构酶II抑制剂依托泊苷在小鼠卵母细胞中的非活性活性,而不影响基因毒物的致裂活性。在小鼠睾丸细胞中,BP-C2组合物降低了促氧化剂基因毒性二氧西汀的DNA损伤活性,但不是依托泊苷。揭示了BP-C2组合物的细胞保护活性与依托泊苷诱导的细胞毒性有关。
    In vivo antigenotoxic activity of BP-C2 composition (at doses of 60, 80, and 120 mg/kg) based on polyphenolic compounds derived from hydrolyzed lignin was evaluated in mouse germ cells. The BP-C2 composition dose-dependently reduced the aneugenic activity of topoisomerase II inhibitor etoposide in mouse oocytes without affecting the clastogenic activity of the genotoxicant. In mouse testicular cells, the BP-C2 composition reduced the DNA-damaging activity of the pro-oxidant genotoxicant dioxidine, but not etoposide. The cytoprotective activity of BP-C2 composition was revealed in relation to etoposide-induced cytotoxicity.
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  • 文章类型: Journal Article
    男性不育是一个重大的公共卫生问题。炎症性肠病(IBDs)对男性生殖系统有负面影响。本研究的目的是研究不同摩尔质量的燕麦β-葡聚糖(OBG)是否可以调节TNBS诱导的结肠炎成年Sprague-Dawley大鼠睾丸的抗氧化防御和炎症反应参数,以及OBG干预是否可以调节与RAS系统相关的炎症反应。结果:睾丸超氧化物歧化酶(SOD)较高,谷胱甘肽还原酶(GR)活性和谷胱甘肽(GSH)浓度,和较低的睾酮(T)水平和谷胱甘肽过氧化物酶(GPx)活性,与健康对照组相比,在结肠炎大鼠中观察到。与对照动物相比,TNBS诱导的结肠炎导致饲喂低摩尔质量OBG的大鼠睾丸中血管紧张素1-7(ANG1-7)水平降低。结论:虽然结肠炎引起了性腺的中度促氧化剂变化,似乎合理的是,对燕麦β-葡聚糖质量的不同部分进行饮食干预可能通过刺激局部抗氧化防御系统来支持生殖稳态的维持.
    Male infertility represents a significant public health concern. There is a negative impact of inflammatory bowel diseases (IBDs) on the male reproductive system. The aim of this study was to investigate whether oat beta-glucan (OBG) with different molar mass can modulate parameters of antioxidant defense and inflammatory response in the testes of adult Sprague-Dawley rats with TNBS-induced colitis and whether the OBG intervention can modulate the inflammatory response in association with the RAS system. Results: higher testicular superoxide dismutase (SOD), glutathione reductase (GR) activities and glutathione (GSH) concentration, and lower testosterone (T) level and glutathione peroxidase (GPx) activity, were observed in rats with colitis than in healthy control ones. TNBS-induced colitis resulted in decreased the angiotensin 1-7 (ANG 1-7) level in the testes of rats fed with low-molar mass OBG compared to control animals. Conclusions: although colitis induced moderate pro-oxidant changes in the gonads, it seems plausible that dietary intervention with different fractions of oat beta-glucans mass may support the maintenance of reproductive homeostasis via the stimulation of the local antioxidant defense system.
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    文章类型: Journal Article
    睾丸是男性生殖腺,是女性卵巢的同源物,具有关键功能。病理状况可能是由睾丸引起的,并且钝化或完全消除了这些功能,导致临床上明显或隐蔽的后遗症。这项研究的目的是研究2012年1月至12月31日在乔斯大学教学医院的组织学诊断的睾丸疾病与临床特征的关系。2021年。
    本研究是对所有睾丸活检病例的回顾性分析。所有组织学诊断的睾丸病变均从科室记录和进一步从病历科患者文件夹获得的临床数据中确定。
    看到四百三十(430)个活检,其中304例(70.7%)为睾丸切除标本。最常见的组织学诊断为睾丸萎缩,占328例(76.3%)。其次是睾丸扭转42例(9.8%)。一起,炎症状况占36例(8.4%),其中肉芽肿性炎症占52.3%。有16例(3.7%)肿瘤疾病都是恶性的,其中6例(37.5%)为精原细胞瘤。年龄范围,意思是,中位年龄和模态年龄为1-90岁,53.4+21.3年,分别为60年和70年。双侧睾丸切除术形式的前列腺癌治疗是手术的主要指征。
    在我们的地区,大多数睾丸病变是萎缩症,这些病变中的大多数是作为用于治疗前列腺癌的睾丸切除术获得的。
    UNASSIGNED: The testes are the male reproductive glands and the homolog of the ovary in females performing critical functions. Pathologic conditions could arise from the testes and blunt or completely obliterate these functions leading to clinically overt or covert sequelae. The aim of this research is to study the pattern of histologically diagnosed testicular disease in relation to clinical features at the Jos University Teaching Hospital between January 2012 and December 31st, 2021.
    UNASSIGNED: This study is a retrospective analysis of all cases of testicular biopsies. All histologically diagnosed testicular lesions were identified from the departmental records and clinical data obtained further from the patients\' folder at the Medical Records Department.
    UNASSIGNED: Four hundred and thirty (430) biopsies were seen, of which 304 (70.7%) were orchidectomy specimens. The commonest histological diagnosis was testicular atrophy accounting for 328(76.3%) cases. Testicular torsion is followed by 42(9.8%) cases. Together, inflammatory conditions accounted for 36(8.4%) cases out of which granulomatous inflammation made up 52.3% of cases. There were 16(3.7%) neoplastic conditions all of which were malignant, out of which 6(37.5%) were seminomas. The age range, mean, median and modal age was 1-90 years, 53.4 +21.3years, 60 years and 70 years respectively. Prostatic carcinoma therapy in the form of bilateral orchidectomy was the major indication for surgery.
    UNASSIGNED: The majority of testicular lesions in our locality are atrophies and most of these lesions are obtained as orchidectomies for therapy of prostatic cancer.
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  • 文章类型: Journal Article
    盐敏感性高血压(SSHTN)与M1巨噬细胞极化和炎症反应有关,导致炎症相关的淋巴管生成和多个器官的功能障碍,包括肾脏和性腺.然而,目前尚不清楚促进M2巨噬细胞极化是否能缓解高血压,炎症,盐敏感性高血压(SSHTN)小鼠的终末器官损害。通过在饮用水中给予硝基-L-精氨酸甲酯盐酸盐(L-NAME;0.5mg/mL)2周使雄性和雌性小鼠高血压,然后间隔2周不进行任何治疗,和随后的高盐饮食3周(SSHTN)。AVE0991(AVE)与高盐饮食同时腹膜内给药。向对照小鼠提供标准饮食和自来水。AVE处理显著减弱SSHTN小鼠的BP和炎症。值得注意的是,AVE促进M2巨噬细胞极化,减少促炎免疫细胞群,并改善SSHTN小鼠的肾脏和性腺组织功能。此外,AVE减少了雄性SSHTN小鼠的肾脏和睾丸以及雌性SSHTN小鼠的卵巢中的淋巴管生成。这些发现强调了AVE在缓解SSHTN引起的血压升高方面的有效性,炎症,并通过促进M2巨噬细胞极化和抑制促炎免疫反应来结束器官损伤。靶向巨噬细胞极化成为缓解SSHTN炎症和器官损伤的有希望的治疗方法。需要进一步的研究来阐明AVE介导作用的确切机制,并评估其在管理SSHTN方面的临床潜力。
    Salt-sensitive hypertension (SSHTN) is associated with M1 macrophage polarization and inflammatory responses, leading to inflammation-associated lymphangiogenesis and functional impairment across multiple organs, including kidneys and gonads. However, it remains unclear whether promoting M2 macrophage polarization can alleviate the hypertension, inflammation, and end organ damage in mice with salt sensitive hypertension (SSHTN). Male and female mice were made hypertensive by administering nitro-L-arginine methyl ester hydrochloride (L-NAME; 0.5 mg/ml) for 2 weeks in the drinking water, followed by a 2-week interval without any treatments, and a subsequent high salt diet for 3 weeks (SSHTN). AVE0991 (AVE) was intraperitoneally administered concurrently with the high salt diet. Control mice were provided standard diet and tap water. AVE treatment significantly attenuated BP and inflammation in mice with SSHTN. Notably, AVE promoted M2 macrophage polarization, decreased pro-inflammatory immune cell populations, and improved function in renal and gonadal tissues of mice with SSHTN. Additionally, AVE decreased lymphangiogenesis in the kidneys and testes of male SSHTN mice and the ovaries of female SSHTN mice. These findings highlight the effectiveness of AVE in mitigating SSHTN-induced elevated BP, inflammation, and end organ damage by promoting M2 macrophage polarization and suppressing pro-inflammatory immune responses. Targeting macrophage polarization emerges as a promising therapeutic approach for alleviating inflammation and organ damage in SSHTN. Further studies are warranted to elucidate the precise mechanisms underlying AVE-mediated effects and to assess its clinical potential in managing SSHTN.
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  • 文章类型: Journal Article
    我们报道了盐敏感性高血压(SSHTN)与促炎免疫细胞增加有关,炎症,以及雄性和雌性小鼠肾脏和性腺中与炎症相关的淋巴管生成。然而,尚不清楚这些不良的终末器官效应是否由血压升高(BP)引起,盐含量升高,或者两者兼而有之。我们假设药物降低血压不会完全减轻肾脏和性腺免疫细胞的积累,炎症,和与SSHTN相关的淋巴管生成。通过在饮用水中施用硝基-L-精氨酸甲酯盐酸盐(L-NAME;0.5mg/mL),在雄性和雌性C57BL6/J小鼠中诱导SSHTN,接下来是2周的冲洗期。随后,小鼠接受3周4%高盐饮食(SSHTN)。治疗组经历相同的SSHTN诱导方案,但在饮食阶段(SSHTN+HYD)期间在其饮用水中接受肼屈嗪(HYD;250mg/L)。对照小鼠接受自来水和标准饮食7周。除了降低收缩压,HYD治疗通常减少SSHTN小鼠的肾脏和性腺中的促炎免疫细胞和炎症。此外,血压的降低部分缓解了SSHTN小鼠肾脏和性腺淋巴管的升高,并改善了肾脏和性腺功能。这些数据表明,高全身压力和盐差异作用于终末器官免疫细胞,有助于更广泛地了解BP和盐摄入量如何共同影响免疫反应,并强调对有针对性的治疗干预措施的影响。
    We reported that salt-sensitive hypertension (SSHTN) is associated with increased pro-inflammatory immune cells, inflammation, and inflammation-associated lymphangiogenesis in the kidneys and gonads of male and female mice. However, it is unknown whether these adverse end organ effects result from increased blood pressure (BP), elevated levels of salt, or both. We hypothesized that pharmaceutically lowering BP would not fully alleviate the renal and gonadal immune cell accumulation, inflammation, and lymphangiogenesis associated with SSHTN. SSHTN was induced in male and female C57BL6/J mice by administering nitro-L-arginine methyl ester hydrochloride (L-NAME; 0.5 mg/ml) in their drinking water for 2 weeks, followed by a 2-week washout period. Subsequently, the mice received a 3-week 4% high salt diet (SSHTN). The treatment group underwent the same SSHTN induction protocol but received hydralazine (HYD; 250 mg/L) in their drinking water during the diet phase (SSHTN+HYD). Control mice received tap water and a standard diet for 7 weeks. In addition to decreasing systolic BP, HYD treatment generally decreased pro-inflammatory immune cells and inflammation in the kidneys and gonads of SSHTN mice. Furthermore, the decrease in BP partially alleviated elevated renal and gonadal lymphatics and improved renal and gonadal function in mice with SSHTN. These data demonstrate that high systemic pressure and salt differentially act on end organ immune cells, contributing to the broader understanding of how BP and salt intake collectively shape immune responses and highlight implications for targeted therapeutic interventions.
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  • 文章类型: Journal Article
    没食子酸(GAL),芦丁(RUT),槲皮素(QUE)是水果和蔬菜中常见的抗氧化剂,具有有趣的药理作用。在本研究中,我们比较了GAL+QUE与GAL+RUT联合治疗在白消安(BUS)大鼠睾丸损伤模型中的疗效.BUS(4mgkg-1体重(b。w)每日腹膜内注射4天。通过口服管饲法递送GAL+RUT或GAL+QUE(20mgkg-lb.w)52天。生化和光学显微镜下检查BUS处理的大鼠的睾丸显示脂质过氧化水平升高,DNA片段化,谷胱甘肽-S-转移酶,乳酸脱氢酶,γ-谷氨酰转肽酶,碱性磷酸酶和酸性磷酸酶伴随抗氧化剂水平的降低:谷胱甘肽,抗坏血酸,超氧化物歧化酶,过氧化氢酶,谷胱甘肽过氧化物酶和谷胱甘肽还原酶活性,提示睾丸损伤.组织切片证实了BUS引起的睾丸损伤,包括精子发生指数减少,管状直径,gonado-体细胞指数,睾丸重量,上皮厚度和异常小管的百分比较高。GAL+QUE联合给药在生化标志物上比GAL+RUT具有更好的恢复效果,并且可以防止BUS引起的睾丸损伤。与GAL+RUT相比,GAL+QUE治疗方案具有更好的维持睾丸抗氧化能力的能力,并且在减少BUS诱导的氧化损伤方面更有效。
    Gallic acid (GAL), rutin (RUT), and quercetin (QUE) are common antioxidant agents in fruits and vegetables with intriguing pharmacological effects. In the present study, we compared the therapeutic outcomes of GAL + QUE in comparison with GAL + RUT co-treatment in a busulfan (BUS) model of testicular injury in Wistar rats. BUS (4 mg kg-1 body weight (b.w) was injected intraperitoneally daily for 4 days. GAL + RUT or GAL + QUE (20 mg kg-1 b. w) was delivered by oral gavage for 52 days. Examination of the testes of BUS-treated rats both biochemically and under light microscopy revealed an increased level of lipid peroxidation, DNA fragmentation, glutathione-S-transferase, lactate dehydrogenase, gamma-glutamyl transpeptidase, alkaline phosphatase and acid phosphatase with a concomitant decrease in the level of antioxidants: glutathione, ascorbic acid, superoxide dismutase, catalase, glutathione peroxidase and glutathione reductase activities, suggesting testicular injury. Tissue sections confirmed the testicular injury-induced by BUS, including diminished spermatogenesis score index, tubular diameter, gonado-somatic index, testis weight, epithelia thickness and higher percentage of aberrant tubules. GAL + QUE co-administration had better recovery effects than GAL + RUT on the biochemical markers and protected against BUS-induced testicular damage. GAL + QUE treatment regimen has better capacity to maintain the antioxidant capacity of the testes and is more potent at reducing BUS-induced oxidative damage compared to GAL + RUT.
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  • 文章类型: Journal Article
    纳米银(AgNPs)是食品工业中使用的流行纳米材料,使胃肠道成为其摄取的重要途径。本研究的目的是评估胃内暴露于AgNPs对成年Fisher344大鼠睾丸中氧化还原平衡和类固醇受体的影响。将动物暴露于20nmAgNPs(30mg/kgbw/天,通过管饲法)与盐水(对照组)相比持续7天和28天。结果表明,7天的AgNPs给药导致总抗氧化剂状态(TAS)水平增加,谷胱甘肽还原酶(GR)活性,降低超氧化物歧化酶(SOD)活性,谷胱甘肽(GSH)水平和GSH/GSSG比值降低,以及与28天AgNPs暴露相比,Leydig细胞中更高的雌激素受体(ESR2)和芳香化酶(Aro)蛋白表达。AgNPs暴露的长时间作用与脂质过氧化(LOOHs)增加,SOD活性和雄激素受体蛋白水平降低有关。总之,本研究证明了胃肠道介导的AgNPs对男性性腺的不利影响.特别是,短期AgNPs暴露损害了抗氧化剂防御,同时对雌激素信号的刺激产生影响,而亚慢性AgNPs暴露显示睾丸氧化应激增加,从而减弱了雄激素信号传导。
    Nanosilver (AgNPs) is popular nanomaterials used in food industry that makes gastrointestinal tract an essential route of its uptake. The aim of the presented study was to assess the effects of intragastric exposure to AgNPs on redox balance and steroid receptors in the testes of adult Fisher 344 rats. The animals were exposed to 20 nm AgNPs (30 mg/kg bw/day, by gavage) for 7 and 28 days compared to saline (control groups). It was demonstrated that 7-day AgNPs administration resulted in increased level of total antioxidant status (TAS), glutathione reductase (GR) activity, lower superoxide dismutase activity (SOD), decreased glutathione (GSH) level and GSH/GSSG ratio, as well as higher estrogen receptor (ESR2) and aromatase (Aro) protein expression in Leydig cells compared to the 28-day AgNPs esposure. The longer-time effects of AgNPs exposition were associated with increased lipid hydroperoxidation (LOOHs) and decreased SOD activity and androgen receptor protein level. In conclusion, the present study demonstrated the adverse gastrointestinally-mediated AgNPs effects in male gonads. In particular, the short-term AgNPs exposure impaired antioxidant defence with concurrent effects on the stimulation of estrogen signaling, while the sub-chronic AgNPs exposition revealed the increased testicle oxidative stress that attenuated androgens signaling.
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  • 文章类型: Journal Article
    背景:含有苦杏仁苷(AMG)作为主要的生氰糖苷的杏仁可能可用作治疗包括癌症在内的多种疾病的补充疗法。然而,关于AMG的毒性和治疗剂量知之甚少,特别是在男性繁殖方面。因此,这项研究评估了体内给予AMG或杏核28天后兔睾丸组织的选定定性特征。
    方法:将家兔随机分为5组(对照组,P1、P2、P3、P4)。对照组不接受AMG/杏仁,而实验组P1和P2每天肌内注射苦杏仁苷,剂量为0.6和3.0mg/kg体重(b.w.),持续28天,分别。P3和P4接受每日剂量为60和300毫克/千克b.w.压碎的杏仁与饲料混合28天,分别。对睾丸结构的变化进行形态学定量,在对组织裂解物进行活性氧(ROS)产生评估的同时,总抗氧化能力,抗氧化酶的活性,和谷胱甘肽浓度。还定量了对蛋白质和脂质的损伤程度。通过酶联免疫吸附测定确定所选细胞因子的水平,同时使用发光方法评估胱天蛋白酶的活性。
    结果:用3.0mg/kgb.w.AMG处理的兔子表现出蛋白质氧化显着增加(p=0.0118),并伴有超氧化物歧化酶的消耗(p=0.0464),过氧化氢酶(p=0.0317),和谷胱甘肽过氧化物酶(p=0.0002)。白细胞介素-1β水平显著升高(p=0.0012),肿瘤坏死因子α(p=0.0159),caspase-3/7(p=0.0014),当与对照相比时,实验组P2中也记录到caspase-9(p=0.0243)。在用杏仁处理的兔子中没有观察到氧化的影响,炎症,和组织病理学水平。
    结论:杏仁对雄性兔睾丸组织无毒性作用,不像纯AMG,通过氧化对男性生殖结构产生负面影响,炎症,和促凋亡机制。
    BACKGROUND: Apricot kernels containing amygdalin (AMG) as the major cyanogenic glycoside are potentially useful as a complementary therapy for the management of several ailments including cancer. Nevertheless, little is known regarding the toxic and therapeutic doses of AMG, particularly in terms of male reproduction. Hence, this study evaluates selected qualitative characteristics of rabbit testicular tissue following in vivo administration of AMG or apricot kernels for 28 days.
    METHODS: The rabbits were randomly divided into five groups (Control, P1, P2, P3, P4). The Control received no AMG/apricot kernels while the experimental groups P1 and P2 received a daily intramuscular injection of amygdalin at a dose of 0.6 and 3.0 mg/kg of body weight (b.w.) for 28 days, respectively. P3 and P4 received a daily dose of 60 and 300 mg/kg b.w. of crushed apricot kernels mixed with feed for 28 days, respectively. Changes to the testicular structure were quantified morphometrically, while tissue lysates were subjected to the evaluation of reactive oxygen species (ROS) production, total antioxidant capacity, activities of antioxidant enzymes, and glutathione concentration. The extent of damage to the proteins and lipids was quantified as well. Levels of selected cytokines were determined by the enzyme-linked immunosorbent assay while a luminometric approach was used to assess the activity of caspases.
    RESULTS: Rabbits treated with 3.0 mg/kg b.w. AMG presented a significantly increased protein oxidation (p = 0.0118) accompanied by a depletion of superoxide dismutase (p = 0.0464), catalase (p = 0.0317), and glutathione peroxidase (p = 0.0002). Significantly increased levels of interleukin-1 beta (p = 0.0012), tumor necrosis factors alpha (p = 0.0159), caspase-3/7 (p = 0.0014), and caspase-9 (p = 0.0243) were also recorded in the experimental group P2 when compared to the Control. No effects were observed in the rabbits treated with apricot kernels at the oxidative, inflammatory, and histopathological levels.
    CONCLUSIONS: Apricot kernels did not induce toxicity in the testicular tissues of male rabbits, unlike pure AMG, which had a negative effect on male reproductive structures carried out through oxidative, inflammatory, and pro-apoptotic mechanisms.
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  • 文章类型: Journal Article
    大西洋鲑鱼雄性的性成熟以剧烈的内分泌变化和睾丸的快速生长为标志,导致性腺体细胞指数(GSI)增加。我们检查了性腺生长与血清性类固醇的关系,以及垂体和睾丸基因表达水平,用DNA寡核苷酸微阵列评估。尽管最小和最大性腺之间存在很大差异,但GSI<0.08%的男性睾丸转录组稳定。GSI≥0.23%的鱼血清中5种雄性类固醇的水平高7-17倍,孕酮增加2倍,皮质醇和相关类固醇没有变化.垂体转录组显示控制生殖和行为的激素编码基因上调,参与突触传递和神经元分化的基因表明了结构重排。观察到的睾丸转录本丰度的变化是由转录调节和/或不成比例的生长引起的,发芽室的增加更大。由于这些因素不能分开,转录组结果表示为更高或更低的比活性(HSA和LSA)。在4268个基因中观察到LSA,包括许多参与各种免疫反应和发育过程的基因。LSA还包括在女性生殖中起作用的基因,生殖细胞维持和性腺发育,对内分泌和神经调节的反应,性类固醇的生物合成。HSA中普遍存在两个功能组:纤毛的结构和活性(95个基因)和减数分裂(34个基因)。A.鲑鱼睾丸的青春期以精子发生为主导,取代其他过程;男性化;以及外部监管的弱化。结果证实了许多参与生殖的基因的已知作用,并指出未表征的基因值得关注,可能是性成熟的调节因子。
    Sexual maturation of Atlantic salmon males is marked by dramatic endocrine changes and rapid growth of the testes, resulting in an increase in the gonad somatic index (GSI). We examined the association of gonadal growth with serum sex steroids, as well as pituitary and testicular gene expression levels, which were assessed with a DNA oligonucleotide microarray. The testes transcriptome was stable in males with a GSI < 0.08% despite the large difference between the smallest and the largest gonads. Fish with a GSI ≥ 0.23% had 7-17 times higher serum levels of five male steroids and a 2-fold increase in progesterone, without a change in cortisol and related steroids. The pituitary transcriptome showed an upregulation of the hormone-coding genes that control reproduction and behavior, and structural rearrangement was indicated by the genes involved in synaptic transmission and the differentiation of neurons. The observed changes in the abundance of testicular transcripts were caused by the regulation of transcription and/or disproportional growth, with a greater increase in the germinative compartment. As these factors could not be separated, the transcriptome results are presented as higher or lower specific activities (HSA and LSA). LSA was observed in 4268 genes, including many genes involved in various immune responses and developmental processes. LSA also included genes with roles in female reproduction, germinal cell maintenance and gonad development, responses to endocrine and neural regulation, and the biosynthesis of sex steroids. Two functional groups prevailed among HSA: structure and activity of the cilia (95 genes) and meiosis (34 genes). The puberty of A. salmon testis is marked by the predominance of spermatogenesis, which displaces other processes; masculinization; and the weakening of external regulation. Results confirmed the known roles of many genes involved in reproduction and pointed to uncharacterized genes that deserve attention as possible regulators of sexual maturation.
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