Steroid

类固醇
  • 文章类型: Journal Article
    背景:指南建议对不确定的肾上腺肿瘤患者进行尿液类固醇分析,以进行肾上腺皮质癌(ACC)的非侵入性诊断。然而,尿类固醇分析并不广泛。
    目的:为了确定临床可用血清11-脱氧皮质醇的准确性,17OH-孕酮,和17OH-孕烯醇酮诊断ACC。
    方法:我们对2015-2023年间评估的肾上腺肿块患者进行了一项前瞻性单中心队列研究。通过液相色谱-质谱法分析血清中的17OH-孕烯醇酮,17OH-孕酮,11-脱氧皮质醇。肾上腺肿块的参考标准包括组织病理学,成像特性,影像学随访2年,或临床随访5年。使用局部广义矩阵学习矢量量化(LGMLVQ)分析来开发血清类固醇评分,并用受试者工作曲线下面积(AUROC)进行评估。
    结果:在263例肾上腺肿块患者中,44例(16.7%)被诊断为ACC,161例(61%)患有肾上腺皮质腺瘤(ACAs),27(10%)与其他肾上腺恶性肿瘤,和31(12%)与其他。Hounsfield单位(HU)≥20在所有ACC中得到证实,除了一个肾上腺恶性肿瘤,58(31%)ACA。ACCs与非ACCs患者的所有3种类固醇均较高,包括将ACC与正常运行的ACA进行比较时,以及HU≥20的ACA(全部P<0.0001)。LGMLVQ分析产生了血清类固醇评分,其在平均阈值固定AUROC为0.823的ACC组和非ACC组之间进行区分。
    结论:我们表明,11-脱氧皮质醇的测量,17OH-孕酮,和17OH-孕烯醇酮对诊断ACC可能有价值。经过适当的验证,血清类固醇评分可纳入临床实践。
    BACKGROUND: Guidelines suggest performing urine steroid profiling in patients with indeterminate adrenal tumors to make a noninvasive diagnosis of adrenocortical carcinoma (ACC). However, urine steroid profiling is not widely available.
    OBJECTIVE: To determine the accuracy of clinically available serum 11-deoxycortisol, 17OH-progesterone, and 17OH-pregnenolone in diagnosing ACC.
    METHODS: We conducted a prospective single-center cohort study of patients with adrenal masses evaluated between 2015-2023. Serum was analyzed by liquid chromatography-mass spectrometry for 17OH-pregnenolone, 17OH-progesterone, 11-deoxycortisol. Reference standard for adrenal mass included histopathology, imaging characteristics, imaging follow up of 2 years, or clinical follow up of 5 years. Localized Generalized Matrix Learning Vector Quantization (LGMLVQ) analysis was used to develop serum steroid score and assessed with area under receiver operating curve (AUROC).
    RESULTS: Of 263 patients with adrenal masses, 44 (16.7%) were diagnosed with ACC, 161 (61%) with adrenocortical adenomas (ACAs), 27 (10%) with other adrenal malignancies, and 31 (12%) with other. Hounsfield unit (HU) ≥ 20 was demonstrated in all ACCs, in all but one other adrenal malignancy, and in 58 (31%) ACAs. All 3 steroids were higher in patients with ACCs vs non-ACCs, including when comparing ACCs with functioning ACAs, and with ACAs with HU ≥ 20 (P<0.0001 for all). LGMLVQ analysis yielded a serum steroid score that discriminated between ACC and non-ACC groups with a mean threshold fixed AUROC of 0.823.
    CONCLUSIONS: We showed that measurements of 11-deoxycortisol, 17OH-progesterone, and 17OH-pregnenolone could be valuable in diagnosing ACC. After appropriate validation, serum steroid score could be integrated in clinical practice.
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  • 文章类型: Journal Article
    从海洋真菌青霉属中分离出一种新的类固醇,称为类固醇(1)和七个已知化合物(2-8)。ZYX-Z-143.1的结构由HRESIMS确定,NMR,和ECD计算。化合物1对蛋白酪氨酸磷酸酶1B(PTP1B)显示抑制活性,IC50值为46.31±0.52μM。此外,化合物1有效抑制了脂多糖(LPS)刺激的RAW264.7巨噬细胞上一氧化氮(NO)的产生。测试了所有分离株的细胞毒性和抗菌活性。
    A new steroid named persteroid (1) and seven known compounds (2-8) were isolated from the marine-derived fungus Penicillium sp. ZYX-Z-143. The structure of 1 was determined by HRESIMS, NMR, and ECD calculations. Compound 1 showed inhibitory activity against protein tyrosine phosphatase 1B (PTP1B) with IC50 value of 46.31 ± 0.52 μM. Moreover, compound 1 potently suppressed nitric oxide (NO) production on lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. The cytotoxicity and antibacterial activity of all isolates were tested.
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  • 文章类型: Journal Article
    目的:内镜黏膜下剥离术(ESD)是目前治疗浅表性食管癌(SEC)的标准治疗方法。然而,术后黏膜缺损常导致食管狭窄。虽然类固醇的应用是有效的预防,各种类固醇给药模式的有效性和安全性尚不清楚.因此,本研究旨在评估ESD后SEC患者不同类固醇给药的有效性和安全性.
    方法:对中国国家知识基础设施进行了相关研究的搜索,万方数据库,PubMed,Embase,和WebofScience截至2024年3月25日。治疗策略分为四组:无预防控制(CON),类固醇注射(SI),口服类固醇(OS),和SI结合OS(SI+OS)。进行了比较荟萃分析以评估结果,包括术后食管狭窄率和狭窄后所需的内镜下球囊扩张术(EBD)次数。
    结果:共25项研究,涉及1555名患者,包括在内。SUCRA评分为:SI+OS(98.9%)>OS(59.9%)>SI(41.2%)>CON(0.0%),和OS(76.9%)>SI+OS(62.1%)>SI(61.0%)>CON(0.0%)所需的EBD会话数量。森林地块结果表明,与非类固醇组相比,类固醇干预与较低的术后狭窄率和较少的EBD疗程相关.此外,SI+OS在防止狭窄方面优于SI或单独的OS,在EBD会话方面,不同类固醇给药之间没有显着差异。所有干预措施的不良反应发生率均低于10%。大多温和,停药后可解决。
    结论:这项研究表明,联合给药对于预防ESD后患者的食管狭窄似乎更可取,和类固醇可以提高狭窄的预后。然而,由于缺乏比较不同类固醇给药的大样本RCT研究,未来需要更多高质量的研究来证实这些发现。
    OBJECTIVE: Endoscopic submucosal dissection (ESD) is the standard therapy for superficial esophageal cancer (SEC) presently. However, postoperative mucosal defects often lead to esophageal stricture. Although steroid application is effective prophylaxis, the efficacy and safety of various steroid administration modes remain unclear. Thus, this study aimed to evaluate the efficacy and safety of different steroid administrations for SEC patients post-ESD.
    METHODS: A search for relevant studies was conducted on China National Knowledge Infrastructure, Wanfang Database, PubMed, Embase, and Web of Science up to March 25, 2024. Treatment strategies were categorized into four groups: no prevention as control (CON), steroid injection (SI), oral steroids (OS), and SI combined with OS (SI+OS). Comparative meta-analysis was conducted to assess outcomes, including postoperative esophageal stricture rate and the number of endoscopic balloon dilatation (EBD) sessions required after stricture.
    RESULTS: A total of 25 studies, involving 1555 patients, were included. The SUCRA rankings were as follows: SI+OS (98.9%) > OS (59.9%) > SI (41.2%) > CON (0.0%) in preventing postoperative esophageal stricture rate, and OS (76.9%) > SI+OS (62.1%) > SI (61.0%) > CON (0.0%) in the number of EBD sessions required. Forest plot results indicated that compared with the non-steroid group, steroid interventions were associated with lower rates of postoperative stricture and fewer EBD sessions. Additionally, SI+OS was superior to SI or OS alone in preventing stricture, with no significant differences observed between different steroid administrations in terms of EBD sessions. The incidence of adverse reactions was less than 10% for all interventions, mostly mild and resolvable upon discontinuation.
    CONCLUSIONS: This study suggests that combined administration appears preferable for preventing esophageal stricture in patients post-ESD, and steroids could enhance stricture prognosis. However, due to the lack of large-sample RCT studies comparing different steroid administrations, more high-quality research is necessary to confirm these findings in the future.
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  • 文章类型: Journal Article
    本研究中患者的纳入标准不一致,特别是在区分Fuchs葡萄膜炎和疱疹性葡萄膜炎与Posner-Schlossman综合征时,需要明确的纳入标准.CMV前葡萄膜炎和Posner-Schlossman综合征可能不是同一种疾病,CMV可能只作为波斯纳-施洛斯曼综合征的触发因素,轻度眼前节炎症的临床表现主要由自身免疫因子介导的炎症反应引起。尽管抗病毒药物在Posner-Schlossman综合征的治疗中很重要,其他治疗方法,特别是局部类固醇的作用不容忽视。
    The inclusion criteria of patients in this study were inconsistent especially in distinguishing Fuchs\' uveitis and herpetic uveitis from Posner-Schlossman syndrome, indicating well-defined inclusion criteria were needed. CMV anterior uveitis and Posner-Schlossman syndrome may not be the same disease, CMV may only act as a triggering factor for Posner-Schlossman syndrome, and the clinical manifestations of mild anterior segment inflammation were mainly caused by inflammatory reactions mediated by autoimmune factors. Although the antiviral medication was important in the treatment of Posner-Schlossman syndrome, the role of other treatment methods especially topical steroids should not be ignored.
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  • 文章类型: Journal Article
    目的:我们进行了动物和类器官研究,以评估类固醇对胆道闭锁(BA)的抗纤维化作用及其潜在的病理机制。
    方法:通过在出生后第1天用恒河猴轮状病毒(RRV)接种小鼠来创建BA动物模型。从第21天到第34天,他们接受20μl磷酸盐缓冲盐水(PBS)或类固醇。在第34天,收集其血清样品的激素标记物。坏死,评估肝纤维化和CK19表达。开发肝类器官,并分析其形态以及大量RNA测序数据。
    结果:24只小鼠在注射RRV后出现BA特征,并平均分为类固醇和PBS组。在第34天,类固醇组的体重增加显著高于PBS组(p<0.0001)。PBS组中的所有小鼠发生肝纤维化,但类固醇组中只有一只小鼠发生肝纤维化。类固醇组血清胆红素和肝实质酶显著降低。两组肝类器官的形态存在差异。在类固醇组和PBS组之间共发现6359个差异表达基因。
    结论:根据我们从RRV诱导的BA动物和类器官模型获得的发现,类固醇具有减轻BA肝纤维化的潜力。
    OBJECTIVE: We performed animal and organoid study to evaluate the anti-fibrotic effect of steroid on biliary atresia (BA) and the underlying patho-mechanism.
    METHODS: BA animal models were created by inoculation of mice on post-natal day 1 with rhesus rotavirus (RRV). They received either 20 µl phosphate-buffered saline (PBS) or steroid from day 21 to day 34. On day 34, their serum samples were collected for hormonal markers. Necrosis, fibrosis and CK 19 expression in the liver were evaluated. Liver organoids were developed and their morphology as well as bulk RNA sequencing data were analyzed.
    RESULTS: Twenty-four mice developed BA features after RRV injection and were equally divided into steroid and PBS groups. On day 34, the weight gain of steroid group increased significantly than PBS group (p < 0.0001). All mice in the PBS group developed liver fibrosis but only one mouse in the steroid group did. Serum bilirubin and liver parenchymal enzymes were significantly lower in steroid group. The morphology of liver organoids were different between the two groups. A total of 6359 differentially expressed genes were found between steroid group and PBS group.
    CONCLUSIONS: Based on our findings obtained from RRV-induced BA animal and organoid models, steroid has the potential to mitigate liver fibrosis in BA.
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  • 文章类型: Journal Article
    在这里,六个以前没有描述的类固醇(1-6),从Aphanamixispolystachya的叶子和树枝中分离出来(Wall。)R.N.帕克(蜜柳科)。通过全面的光谱分析阐明了它们的结构,包括HRESIMS,1D和2DNMR,UV,和IR。评价这些化合物的抗病毒活性。化合物1-6在200μM时对严重急性呼吸综合征冠状病毒2主要蛋白酶(SARS-CoV-2Mpro)显示出不同程度的抑制活性。
    Herein, six previously undescribed steroids (1-6), were isolated from leaves and twigs of Aphanamixis polystachya (Wall.) R. N. Parker (Meliaceae). Their structures were elucidated by comprehensive spectroscopic analysis, including HRESIMS, 1D and 2D NMR, UV, and IR. Antiviral activity of these compounds were evaluated. Compounds 1-6 showed varying degrees of inhibitory activity against the severe acute respiratory syndrome coronavirus 2 main protease (SARS-CoV-2 Mpro) at 200 μM.
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  • 文章类型: Journal Article
    类固醇性股骨头坏死(SONFH)是非创伤性股骨头坏死(ONFH)的主要原因。股骨头的血液供应受损和成骨活性降低是SONFH的关键致病机制。成纤维细胞生长因子23(FGF23)水平不仅是由异常矿物质代谢引起的早期血管病变的生物标志物。但也可以直接作用于外周血管系统,导致血管病理学。本研究的目的是观察FGF23对骨微结构和血管内皮的作用。并研究SONFH中焦凋亡的激活。脂多糖(LPS)联合甲基强的松龙(MPS)用于SONFH小鼠模型,腺病毒用于增加或降低FGF23的水平。采用Micro-CT和组织病理学染色观察股骨头的结构,免疫组化染色观察血管密度。将细胞进一步体外培养,置于低氧环境中12h,以模拟SONFH过程中血管损伤的微环境。用碱性磷酸酶染色评价FGF23对成骨分化的影响,茜素红S染色与骨形成相关蛋白的表达。体外基质胶管形成试验和免疫荧光检测FGF23对内皮细胞血管生成的影响。类固醇激活了焦亡信号通路,促进SONFH模型中炎症因子的分泌,导致血管内皮功能障碍和股骨头结构受损。此外,FGF23抑制HUVECs血管生成和BMSCs成骨分化。FGF23沉默通过抑制焦亡信号通路减轻激素性股骨头坏死,并在体外促进BMSCs的成骨分化和HUVECs的血管生成。
    Steroid-induced osteonecrosis of the femoral head (SONFH) is the predominant cause of non-traumatic osteonecrosis of the femoral head (ONFH). Impaired blood supply and reduced osteogenic activity of the femoral head are the key pathogenic mechanisms of SONFH. Fibroblast growth factor 23 (FGF23) levels are not only a biomarker for early vascular lesions caused by abnormal mineral metabolism, but can also act directly on the peripheral vascular system, leading to vascular pathology. The aim of this study was to observe the role of FGF23 on bone microarchitecture and vascular endothelium, and to investigate activation of pyroptosis in SONFH. Lipopolysaccharide (LPS) combined with methylprednisolone (MPS) was applied for SONFH mouse models, and adenovirus was used to increase or decrease the level of FGF23. Micro-CT and histopathological staining were used to observe the structure of the femoral head, and immunohistochemical staining was used to observe the vascular density. The cells were further cultured in vitro and placed in a hypoxic environment for 12 h to simulate the microenvironment of vascular injury during SONFH. The effect of FGF23 on osteogenic differentiation was evaluated using alkaline phosphatase staining, alizarin red S staining and expression of bone formation-related proteins. Matrigel tube formation assay in vitro and immunofluorescence were used to detect the ability of FGF23 to affect endothelial cell angiogenesis. Steroids activated the pyroptosis signaling pathway, promoted the secretion of inflammatory factors in SONFH models, led to vascular endothelial dysfunction and damaged the femoral head structure. In addition, FGF23 inhibited the HUVECs angiogenesis and BMSCs osteogenic differentiation. FGF23 silencing attenuated steroid-induced osteonecrosis of the femoral head by inhibiting the pyroptosis signaling pathway, and promoting osteogenic differentiation of BMSCs and angiogenesis of HUVECs in vitro.
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  • 文章类型: Journal Article
    在这项研究中,我们开发了一种有效的方法来大规模合成鹅去氧胆酸(CDCA)从佛果胆酸(PhCA)。通过包括甲酯化在内的五个步骤获得高达72%的高总收率,Ts保护,溴化,reduction,和水解。中间体的结构通过1HNMR(核磁共振)证实,13CNMR,HRMS(高分辨率质谱),和IR(红外光谱)光谱。该方法为CDCA的合成提供了一种新的实用方法。
    In this study, we developed an effective method for the large-scale synthesis of chenodeoxycholic acid (CDCA) from phocaecholic acid (PhCA). A high total yield of up to 72 % was obtained via five steps including methyl esterification, Ts-protection, bromination, reduction, and hydrolysis. The structures of the intermediates were confirmed by 1H NMR (Nuclear Magnetic Resonance), 13C NMR, HRMS (High Resolution Mass Spectrometry), and IR (Infrared Spectroscopy) spectroscopies. This method offers a new and practical approach to the synthesizing of CDCA.
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  • 文章类型: Journal Article
    对野生蘑菇Entolomaclypeatum的化学研究导致分离出一种新的A-norB-芳香族C28类固醇(1),以及这种蘑菇中的八种已知化合物(2-9)。据我们所知,化合物1代表了一种前所未有的天然产物。基于HR-ESI-MS的广泛光谱数据分析,阐明了新化合物的结构,1D,和2DNMR,而相对配置由NOESY相关性证实。此外,在RAW264.7巨噬细胞中评价化合物1对LPS诱导的NO产生的抗炎活性。化合物1表现出中等的抗炎活性,IC50值为24.56±1.72μM。
    Chemical investigation of the wild mushroom Entoloma clypeatum led to the isolation of one new A-nor B-aromatic C28 steroid (1), along with eight known compounds (2-9) from this mushroom. As far as we know, compound 1 represents an unprecedented type of natural product. The structure of the new compound was elucidated based on extensive spectroscopic data analysis of HR-ESI-MS, 1D, and 2D NMR, while the relative configuration was confirmed by NOESY correlations. In addition, the anti-inflammatory activity of compound 1 was evaluated against LPS induced NO production in RAW 264.7 macrophages. Compound 1 exhibited a moderate anti-inflammatory activity with an IC50 value of 24.56 ± 1.72 μM.
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  • 文章类型: Journal Article
    硬膜外类固醇注射治疗由椎间盘突出引起的坐骨神经痛在世界范围内越来越多地使用。但其有效性仍存在争议。本文旨在分析硬膜外注射类固醇治疗腰椎间盘突出症坐骨神经痛的疗效。1月,从PubMed和其他数据库中收集了研究硬膜外类固醇注射在治疗腰椎间盘突出症引起的坐骨神经痛中使用的随机对照试验(RCT)。2008年至12月,2023年,试验组采用硬膜外类固醇注射,对照组采用硬膜外局部麻醉药和/或安慰剂。疼痛缓解率,通过数字评定量表(NRS)和视觉模拟量表(VAS)评分进行评估,和功能恢复,通过罗兰莫里斯残疾问卷(RMDQ)和奥斯威西残疾指数(ODI)评分进行评估,进行记录和比较。Meta分析由ReviewManager进行。与对照组相比,硬膜外类固醇注射已被证明是有效的提供短期(3个月内)[MD=0.44,95CI(0.20,0.68),p=0.0003]和中期(6个月内)[MD=0.66,95CI(0.09,1.22),p=0.02]腰椎间盘突出症引起的坐骨神经痛的疼痛缓解,而其长期止痛效果有限。然而,硬膜外类固醇注射的给药没有导致坐骨神经功能的显著改善在短[MD=0.79,95CI=(0.39,1.98),p=0.19]和长期[MD=0.47,95%CI=(-0.86,1.80),通过IOD评估p=0.49]。此外,分析显示,硬膜外类固醇注射导致腰椎间盘突出症患者阿片类药物使用减少[MD=-14.45,95%CI=(-24.61,-4.29),p=0.005]。硬膜外注射类固醇的发生率较低。硬膜外类固醇注射在缓解腰椎间盘突出症引起的坐骨神经痛方面具有明显的短期至中期疗效。因此,建议将其作为坐骨神经痛患者的可行治疗选择。
    Epidural steroid injection for the treatment of sciatica caused by disc herniation is increasingly used worldwide, but its effectiveness remains controversial. The review aiming to analyze the efficacy of epidural steroid injection on sciatica caused by lumbar disc herniation. Randomized controlled trials (RCTs) investigating the use of epidural steroid injections in the management of sciatica induced by lumbar disc herniation were collected from PubMed and other databases from January, 2008 to December, 2023, with epidural steroid injection in the test group and epidural local anesthetic and/or placebo in the control group. Pain relief rate, assessed by numerical rating scale (NRS) and visual analogue scale (VAS) scores, and function recovery, evaluated by Roland Morris Disability Questionnaire (RMDQ) and Oswestry Disability Index (ODI) scores, were recorded and compared. Meta-analysis was performed by Review Manager. In comparison to the control group, epidural steroid injections have been shown to be effective for providing short- (within 3 months) [MD = 0.44, 95%CI (0.20, 0.68), p = 0.0003] and medium-term (within 6 months) [MD = 0.66, 95%CI (0.09,1.22), p = 0.02] pain relief for sciatica caused by lumbar disc herniation, while its long-term pain-relief effect were limited. However, the administration of epidural steroid injections did not lead to a significant improvement on sciatic nerve function in short- [MD = 0.79, 95%CI = (0.39, 1.98), p = 0.19] and long-term [MD = 0.47, 95% CI = (-0.86, 1.80), p = 0.49] assessed by IOD. Furthermore, the analysis revealed that administering epidural steroid injections resulted in a reduction in opioid usage among patients with lumbar disc herniation [MD = -14.45, 95% CI = (-24.61, -4.29), p = 0.005]. The incidence of epidural steroid injection was low. Epidural steroid injection has demonstrated notable efficacy in relieving sciatica caused by lumbar disc herniation in short to medium-term. Therefore, it is recommended as a viable treatment option for individuals suffering from sciatica.
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