Therapy response

治疗反应
  • 文章类型: Journal Article
    背景:滋养素相关蛋白(TROAP)与某些肿瘤有关,然而,其在肾细胞癌(RCC)中的作用仍未得到充分研究。本研究旨在阐明TROAP在RCC中的预后和治疗意义。包含不同的亚型。
    方法:首先,我们确定了TCGA泛癌症队列中TROAP在各种肿瘤中的表达模式.随后,TROAP的预后意义在三个TCGARCC队列和一个局部队列中得到验证.最后,我们进行了功能富集分析,体细胞突变和拷贝数变异,评估的治疗反应队列,并进行了体外实验以探索TROAP的生物学特性。
    结果:TROAP在TCGARCC数据集和我们的本地队列中都是不利因素。功能富集分析和体外实验证明了其癌基因在促进肿瘤进展中的作用。此外,RCC中TROAP表达与基因突变之间的关系似乎有限。此外,TROAP表达升高与RCC治疗的疗效降低相关,包括纳武单抗和依维莫司.
    结论:我们的研究结果表明TROAP是RCC预后和治疗反应的关键生物标志物。TROAP表达升高表明肿瘤侵袭性行为和对常规治疗的抗性。使其成为碾压混凝土管理中个性化治疗策略的有价值的目标。
    BACKGROUND: Trophinin Associated Protein (TROAP) has been implicated in some tumors, yet its role in renal cell carcinoma (RCC) remains underexplored. This study aims to elucidate the prognostic and therapeutic implications of TROAP in RCC, encompassing different subtypes.
    METHODS: Firstly, we identified the expression patterns of TROAP across various tumors within the TCGA pan-cancer cohort. Subsequently, the prognostic significance of TROAP was validated in three TCGA RCC cohorts and a local cohort. Finally, we conducted functional enrichment analysis, somatic mutations and copy number variations, assessed therapeutic response cohorts, and performed in vitro experiments to explore the biological characteristics of TROAP.
    RESULTS: TROAP serves as an unfavorable factor in both the TCGA RCC datasets and our local cohort. Functional enrichment analysis and in vitro experiments have demonstrated its oncogene effect in promoting tumor progression. Additionally, the relationship between TROAP expression and gene mutations in RCC appears to be limited. Furthermore, elevated TROAP expression is associated with reduced efficacy of RCC therapies, including nivolumab and everolimus.
    CONCLUSIONS: Our findings illustrate TROAP as a pivotal biomarker for prognosis and therapeutic response in RCC. Elevated TROAP expression is indicative of aggressive tumor behavior and resistance to conventional therapies, making it a valuable target for personalized treatment strategies in RCC management.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

       PDF(Pubmed)

  • 文章类型: Journal Article
    目的:区分脑肿瘤的真实进展或复发(TP/TR)与治疗相关变化(TRC)是复杂的。酰胺质子转移加权(APT)成像是一种化学交换饱和转移(CEST)MRI技术,可以在放射学随访期间提高诊断准确性。这项系统评价和荟萃分析阐明了APT-CEST在神经胶质瘤和脑转移监测中的最新成像的证据水平和细节。
    方法:PubMed,EMBASE,WebofScience,和CochraneLibrary系统检索有关胶质瘤和转移患者的原始文章,这些患者在(化学)放疗完成后2年内接受了APT-CEST成像的可疑TP/TR。应用改良的诊断准确性研究质量评估-2标准。进行荟萃分析以汇总结果并比较亚组。
    结果:15项研究被纳入叙事综合,其中12例(500例)被认为在荟萃分析中足够同质。磁化转移比不对称性在胶质瘤中表现良好(灵敏度0.88[0.82-0.92],特异性0.84[0.72-0.91]),但不在转移中(敏感性0.64[0.38-0.84],特异性0.56[0.33-0.77])。APT-CEST联合常规/高级MRI在胶质瘤中表现为0.92[0.86-0.96]和0.88[0.72-0.95]。肿瘤类型,TR患病率,性别,和获取方案在敏感性(I2=62.25%;p<0.01)和特异性(I2=66.31%;p<0.001)方面是研究间显著异质性的来源。
    结论:越来越多的文献表明,APT-CEST是一种有前途的技术,可以改善神经胶质瘤中TP/TR与TRC的区别,关于转移的数据有限。
    结论:这项荟萃分析确定了APT-CEST成像在非侵入性区分脑肿瘤进展与治疗相关变化方面的实用性,提供序列参数和截止值的关键评估,可用于改善反应评估和患者预后。
    结论:模仿进展的治疗相关变化使脑肿瘤治疗复杂化。酰胺质子成像可改善神经胶质瘤进展与治疗相关变化的非侵入性区分。磁化转移比不对称性测量似乎在脑转移中没有附加值。
    OBJECTIVE: Differentiating true progression or recurrence (TP/TR) from therapy-related changes (TRC) is complex in brain tumours. Amide proton transfer-weighted (APT) imaging is a chemical exchange saturation transfer (CEST) MRI technique that may improve diagnostic accuracy during radiological follow-up. This systematic review and meta-analysis elucidated the level of evidence and details of state-of-the-art imaging for APT-CEST in glioma and brain metastasis surveillance.
    METHODS: PubMed, EMBASE, Web of Science, and Cochrane Library were systematically searched for original articles about glioma and metastasis patients who received APT-CEST imaging for suspected TP/TR within 2 years after (chemo)radiotherapy completion. Modified Quality Assessment of Diagnostic Accuracy Studies-2 criteria were applied. A meta-analysis was performed to pool results and to compare subgroups.
    RESULTS: Fifteen studies were included for a narrative synthesis, twelve of which (500 patients) were deemed sufficiently homogeneous for a meta-analysis. Magnetisation transfer ratio asymmetry performed well in gliomas (sensitivity 0.88 [0.82-0.92], specificity 0.84 [0.72-0.91]) but not in metastases (sensitivity 0.64 [0.38-0.84], specificity 0.56 [0.33-0.77]). APT-CEST combined with conventional/advanced MRI rendered 0.92 [0.86-0.96] and 0.88 [0.72-0.95] in gliomas. Tumour type, TR prevalence, sex, and acquisition protocol were sources of significant inter-study heterogeneity in sensitivity (I2 = 62.25%; p < 0.01) and specificity (I2 = 66.31%; p < 0.001).
    CONCLUSIONS: A growing body of literature suggests that APT-CEST is a promising technique for improving the discrimination of TP/TR from TRC in gliomas, with limited data on metastases.
    CONCLUSIONS: This meta-analysis identified a utility for APT-CEST imaging regarding the non-invasive discrimination of brain tumour progression from therapy-related changes, providing a critical evaluation of sequence parameters and cut-off values, which can be used to improve response assessment and patient outcome.
    CONCLUSIONS: Therapy-related changes mimicking progression complicate brain tumour treatment. Amide proton imaging improves the non-invasive discrimination of glioma progression from therapy-related changes. Magnetisation transfer ratio asymmetry measurement seems not to have added value in brain metastases.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

    求助全文

  • 文章类型: Journal Article
    三阴性乳腺癌(TNBC)中特殊组织学类型(ST)的影响及其与总体预后的相关性日益增加,因为生存率与特定组织学TNBC亚型有关。我们评估了598例613例TNBC患者的临床病理和生存数据,包括464个无特殊类型的TNBC(NST)和149个TNBCST(低等级,n=12,8.1%;高档,n=112,75.2%;顶腺分泌和雄激素受体阳性[APOAR],n=25,16.8%)。低级别TNBCST和TNBCSTAPOAR患者明显年龄较大(P<0.001),且Ki67指数较低(P<0.001)。与TNBCNST患者相比,高级别TNBCST患者明显年龄较大(P=0.006),并且对新辅助化疗(NAC)的病理反应较差(P<0.001)。低度TNBCST之间观察到显著的生存差异,TNBCSTAPOAR,高级TNBCST,和TNBCNST在整个研究组(DFS,P=0.002;DDFS,P=0.001)和非NAC亚组(OS,P=0.034;DFS,P=0.001;DDFS,P<0.001)。低度TNBCST患者的生存结局最好。高级别TNBCST患者的预后明显差于TNBCNST患者(整个研究组:OS,P=0.049;DFS,P<0.001;DDFS,P=0.001;非NAC亚组:OS,P=0.014;DFS,P<0.001;DDFS,P<0.001)。我们得出的结论是,TNBCST的预后分层对于优化这些罕见肿瘤患者的治疗管理至关重要。
    The impact of special histological types (ST) in triple-negative breast cancer (TNBC) and its association with overall outcome has gained increasing relevance as survival has been linked to specific histological TNBC subtypes. We evaluated the clinicopathological and survival data of 598 patients with 613 TNBCs, including 464 TNBCs of no special type (NST) and 149 TNBCs ST (low-grade, n = 12, 8.1%; high-grade, n = 112, 75.2%; apocrine and androgen receptor-positive [APO AR], n = 25, 16.8%). Patients with low-grade TNBC ST and TNBC ST APO AR were significantly older (P < 0.001) and had a lower Ki67 index (P < 0.001) than those with TNBC NST. Patients with high-grade TNBC ST were significantly older (P = 0.006) and had poorer pathological responses to neoadjuvant chemotherapy (NAC) (P < 0.001) than those with TNBC NST. Significant survival differences were observed between low-grade TNBC ST, TNBC ST APO AR, high-grade TNBC ST, and TNBC NST in the entire study group (DFS, P = 0.002; DDFS, P = 0.001) and in the non-NAC subgroup (OS, P = 0.034; DFS, P = 0.001; DDFS, P < 0.001). Patients with low-grade TNBC ST had the best survival outcomes. Patients with high-grade TNBC ST showed significantly worse outcomes than those with TNBC NST (entire study group: OS, P = 0.049; DFS, P < 0.001; DDFS, P = 0.001; non-NAC subgroup: OS, P = 0.014; DFS, P < 0.001; DDFS, P < 0.001). We conclude that prognostic stratification of TNBC ST is ultimately important for optimizing the therapeutic management of patients with these rare tumor entities.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

    求助全文

  • 文章类型: Journal Article
    卵巢组织中端粒长度(TL)维持受损可能在上皮性卵巢癌(OvC)的发病中起关键作用。目前正在研究靶组织或替代组织(血液)中的TL作为抗OvC治疗的预测因子或作为疾病进展的生物标志物。分别。目前迫切需要一种合适的化疗反应预测方法。我们对209例OvC患者的外周血白细胞(PBL)和肿瘤组织中的TL进行了单色多重qPCR测量。通过高通量DNA甲基化谱分析和RNA测序(RNA-Seq)分析确定肿瘤组织中shelterin复合物和端粒酶催化亚基(hTERT)的甲基化状态和基因表达,分别。与治疗耐药患者相比,对癌症治疗敏感的患者(n=46)的PBL端粒较短(n=93;P=0.037)。在有不同治疗反应的患者中,转录组学分析显示过氧化物酶体增殖物激活受体(PPAR)信号通路发生改变(q=0.001)。此外,肿瘤TL短于中位数对应于更好的总生存期(OS)(P=0.006).TPP1基因在肿瘤组织中的表达与TL呈正相关(P=0.026)。在PBL中测量的TL可以作为OvC患者的铂治疗反应的标志物。此外,在肿瘤组织中确定的TL提供了OvC患者的OS信息。
    Impaired telomere length (TL) maintenance in ovarian tissue may play a pivotal role in the onset of epithelial ovarian cancer (OvC). TL in either target or surrogate tissue (blood) is currently being investigated for use as a predictor in anti-OvC therapy or as a biomarker of the disease progression, respectively. There is currently an urgent need for an appropriate approach to chemotherapy response prediction. We performed a monochrome multiplex qPCR measurement of TL in peripheral blood leukocytes (PBL) and tumor tissues of 209 OvC patients. The methylation status and gene expression of the shelterin complex and telomerase catalytic subunit (hTERT) were determined within tumor tissues by High-Throughput DNA methylation profiling and RNA sequencing (RNA-Seq) analysis, respectively. The patients sensitive to cancer treatment (n = 46) had shorter telomeres in PBL compared to treatment-resistant patients (n = 93; P = 0.037). In the patients with a different therapy response, transcriptomic analysis showed alterations in the peroxisome proliferator-activated receptor (PPAR) signaling pathway (q = 0.001). Moreover, tumor TL shorter than the median corresponded to better overall survival (OS) (P = 0.006). TPP1 gene expression was positively associated with TL in tumor tissue (P = 0.026). TL measured in PBL could serve as a marker of platinum therapy response in OvC patients. Additionally, TL determined in tumor tissue provides information on OvC patients\' OS.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

       PDF(Pubmed)

  • 文章类型: Journal Article
    背景:由于免疫系统受损,真菌感染对血液系统恶性肿瘤患者构成重大威胁。Dectin-1,一个关键的模式识别受体,在抗真菌免疫反应中起着核心作用。了解其遗传变异的影响对于推进个性化治疗方法至关重要。
    方法:采用系统综述方法,我们精心挑选研究,并评估其相关性.数据提取包括Dectin-1遗传变异,抗真菌免疫反应,和疾病结果。
    结果:研究结果揭示了Dectin-1基因变异与血液系统恶性肿瘤抗真菌免疫之间的复杂关系。出现了变量关联,影响真菌感染易感性和疾病预后。此外,对治疗结果的影响进行了探讨,为量身定制的干预措施提供潜在的途径。
    结论:本系统综述强调需要进一步研究Dectin-1基因变异对血液系统恶性肿瘤抗真菌免疫和疾病进展的确切影响。获得的见解可以为个性化治疗策略铺平道路,优化感染预防和恶性肿瘤管理。通过深入研究遗传细微差别之间的复杂联系,免疫反应,和临床轨迹,这篇综述有助于围绕血液系统恶性肿瘤的持续讨论,真菌感染,以及它们多方面的相互作用。
    BACKGROUND: Fungal infections pose a significant threat to individuals with hematologic malignancies due to compromised immune systems. Dectin-1, a pivotal pattern recognition receptor, plays a central role in antifungal immune responses. Understanding its genetic variants\' impact is crucial for advancing personalized therapeutic approaches.
    METHODS: Employing systematic review methods, studies were meticulously selected and assessed for relevance. Data extraction encompassed Dectin-1 genetic variants, antifungal immune responses, and disease outcomes.
    RESULTS: Findings unveiled a complex relationship between Dectin-1 genetic variants and antifungal immunity in hematologic malignancies. Variable associations emerged, influencing susceptibility to fungal infections and disease prognosis. Moreover, implications for treatment outcomes were explored, suggesting potential avenues for tailored interventions.
    CONCLUSIONS: This systematic review underscores the need for further investigation into the precise influence of Dectin-1 genetic variants on antifungal immunity and disease progression in hematologic malignancies. Insights gained could pave the way for personalized therapeutic strategies, optimizing infection prevention and malignancy management. By delving into the intricate connections between genetic nuances, immune responses, and clinical trajectories, this review contributes to the ongoing discourse surrounding hematologic malignancies, fungal infections, and their multifaceted interplay.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

    求助全文

  • 文章类型: Journal Article
    肿瘤微环境(TME)在发病过程中起着举足轻重的作用,programming,和癌症的治疗反应。在TME的各种组件中,癌症相关成纤维细胞(CAFs)是免疫和非免疫细胞功能的关键调节因子。利用单细胞RNA测序(scRNA)数据,我们已经发现了这个特定的CAF子组中以前隐藏和有希望的角色,为其临床应用铺平了道路。然而,几个关键问题仍然存在,主要源于CAFs的异质性和在各种样品分析中使用不同的成纤维细胞标记,在临床实施中造成混乱和阻碍。在这项开创性的研究中,我们系统地筛选了多个数据库,以确定区分肺癌CAFs的最可靠标记,特别关注它们在早期诊断中的潜在用途,分期,和治疗反应评估。我们的调查显示COL1A1,COL1A2,FAP,和PDGFRA是表征大多数肺腺癌数据集中CAF亚组的有效标志物。通过对治疗反应的综合分析,我们确定COL1A1是所有CAF标记中最有效的指标.COL1A1不仅破译与CAF相关的TME特征,而且还显示出与治疗反应和多种生存结果的高度敏感性和特异性相关性。第一次,我们揭示了CAF标记簇在区分不同TME组中所发挥的独特作用.我们的发现证实了CAFs对多种肺癌治疗反应的敏感和独特贡献。这些见解极大地增强了我们对TME功能的理解,并推动了广泛scRNA序列结果的翻译应用。COL1A1是scRNA分析中定义CAF亚组的最敏感和特异性标记。由COL1A1代表的CAF比率可能作为临床实践中治疗反应的可靠预测指标。从而为TME组件的影响作用提供有价值的见解。这项研究标志着我们在彻底改变癌症诊断和治疗方法方面迈出了关键的一步。
    The tumor microenvironment (TME) plays a pivotal role in the onset, progression, and treatment response of cancer. Among the various components of the TME, cancer-associated fibroblasts (CAFs) are key regulators of both immune and non-immune cellular functions. Leveraging single-cell RNA sequencing (scRNA) data, we have uncovered previously hidden and promising roles within this specific CAF subgroup, paving the way for its clinical application. However, several critical questions persist, primarily stemming from the heterogeneous nature of CAFs and the use of different fibroblast markers in various sample analyses, causing confusion and hindrance in their clinical implementation. In this groundbreaking study, we have systematically screened multiple databases to identify the most robust marker for distinguishing CAFs in lung cancer, with a particular focus on their potential use in early diagnosis, staging, and treatment response evaluation. Our investigation revealed that COL1A1, COL1A2, FAP, and PDGFRA are effective markers for characterizing CAF subgroups in most lung adenocarcinoma datasets. Through comprehensive analysis of treatment responses, we determined that COL1A1 stands out as the most effective indicator among all CAF markers. COL1A1 not only deciphers the TME signatures related to CAFs but also demonstrates a highly sensitive and specific correlation with treatment responses and multiple survival outcomes. For the first time, we have unveiled the distinct roles played by clusters of CAF markers in differentiating various TME groups. Our findings confirm the sensitive and unique contributions of CAFs to the responses of multiple lung cancer therapies. These insights significantly enhance our understanding of TME functions and drive the translational application of extensive scRNA sequence results. COL1A1 emerges as the most sensitive and specific marker for defining CAF subgroups in scRNA analysis. The CAF ratios represented by COL1A1 can potentially serve as a reliable predictor of treatment responses in clinical practice, thus providing valuable insights into the influential roles of TME components. This research marks a crucial step forward in revolutionizing our approach to cancer diagnosis and treatment.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

       PDF(Pubmed)

  • 文章类型: Journal Article
    浸润性小叶乳腺癌(ILC)在外科治疗领域提出了独特的挑战和考虑因素。以其独特的组织学特征为特征,包括E-cadherin表达的丧失和粘附生长模式的缺失,ILC经常给临床医生带来诊断和治疗困境。这篇摘要探讨了ILC的外科景观,专注于其流行病学,临床表现,诊断方式,和手术干预。强调个体化治疗策略的重要性,这种叙述深入研究了手术决策的细微差别,包括保乳手术与乳房切除术的作用,腋窝分期,以及保证金地位的意义。此外,手术技术的进步,如肿瘤增生入路和前哨淋巴结活检,在优化肿瘤学结果和保留美容的背景下进行检查。通过对当前文献和临床指南的全面回顾,本综述旨在提供对浸润性小叶乳腺癌治疗固有的手术考虑因素的细微差别理解.
    Invasive lobular breast cancer (ILC) presents unique challenges and considerations in the realm of surgical management. Characterized by its distinct histological features, including the loss of E-cadherin expression and dys-cohesive growth pattern, ILC often poses diagnostic and therapeutic dilemmas for clinicians. This abstract explores the surgical landscape of ILC, focusing on its epidemiology, clinical presentation, diagnostic modalities, and surgical interventions. Emphasizing the importance of individualized treatment strategies, this narrative delves into the nuances of surgical decision-making, including the role of breast-conserving surgery versus mastectomy, axillary staging, and the significance of margin status. Additionally, advancements in surgical techniques, such as oncoplastic approaches and sentinel lymph node biopsy, are examined in the context of optimizing oncologic outcomes and preserving cosmesis. Through a comprehensive review of current literature and clinical guidelines, this overview aims to provide a nuanced understanding of the surgical considerations inherent to the management of invasive lobular breast cancer.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

    求助全文

  • 文章类型: Journal Article
    肝细胞癌(HCC)是起源于消化系统的最常见的恶性肿瘤之一。三级淋巴结构(TLS),淋巴器官外的非淋巴组织,与慢性炎症和肿瘤发生密切相关。然而,TLS与HCC预后之间的详细关系尚不清楚.在这项研究中,我们的目的是构建一个TLS相关的基因标记来预测HCC患者的预后.
    使用来自369个HCC组织和50个正常肝组织的癌症基因组图谱(TCGA)临床数据来检查TLS相关基因的差异表达。基于最小绝对收缩和选择算子(LASSO)Cox回归分析,使用TCGA队列构建预后模型,并在GSE14520队列和国际癌症基因组联盟(ICGC)队列中进行验证.采用Kaplan-Meier(KM)和受试者工作特征(ROC)曲线来验证预后模型的预测能力。此外,Cox回归分析用于确定TLS评分是否可以用作独立的预后因素。建立列线图来预测HCC患者的生存概率。对TLS相关基因进行基因本体论(GO)和京都基因和基因组百科全书(KEGG)途径。基因突变分析,CIBERSORT算法,和单样本基因组富集分析(ssGSEA)用于评估肿瘤突变景观和免疫浸润。最后,研究了TLS评分在HCC治疗中的作用。
    我们的预后模型的构建中包含了六个基因(CETP,DNASE1L3、PLAC8、SKAP1、C7和VNN2),我们验证了它的准确性。生存分析显示,高TLS评分组患者的总生存率明显优于低TLS评分组患者。单变量,多变量Cox回归分析和列线图的建立表明,TLS评分可以独立地用作潜在的预后标志物。通过分析基因改变和免疫细胞浸润,揭示了TLS评分与免疫力之间的显着关联。此外,两种亚型的TLS评分可以准确预测索拉非尼的有效性,经导管动脉化疗栓塞术(TACE),肝癌患者的免疫治疗。
    在这项研究中,我们进行并验证了与TLS相关的预后模型,该模型可能有助于预测HCC患者的临床结局和治疗反应性.
    UNASSIGNED: Hepatocellular carcinoma (HCC) is one of the most common malignant tumors originating from the digestive system. Tertiary lymphoid structures (TLS), non-lymphoid tissues outside of the lymphoid organs, are closely connected to chronic inflammation and tumorigenesis. However, the detailed relationship between TLS and HCC prognosis remained unclear. In this study, we aimed to construct a TLS-related gene signature for predicting the prognosis of HCC patients.
    UNASSIGNED: The Cancer Genome Atlas (TCGA) clinical data from 369 HCC tissues and 50 normal liver tissues were utilized to examine the differential expression of TLS-related genes. Based on least absolute shrinkage and selection operator (LASSO) Cox regression analysis, the prognostic model was constructed using the TCGA cohort and validated in the GSE14520 cohort and International Cancer Genome Consortium (ICGC) cohort. The Kaplan-Meier (KM) and receiver operating characteristic (ROC) curves were employed to validate the predictive ability of the prognostic model. Furthermore, Cox regression analysis was applied to identify whether the TLS score could be employed as an independent prognosis factor. A nomogram was developed to predict the survival probability of HCC patients. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways were performed for TLS-related genes. Genetic mutation analysis, the CIBERSORT algorithm, and single-sample gene set enrichment analysis (ssGSEA) were used to assess the tumor mutation landscape and immune infiltration. Finally, the role of the TLS score in HCC therapy was investigated.
    UNASSIGNED: Six genes were included in the construction of our prognostic model (CETP, DNASE1L3, PLAC8, SKAP1, C7, and VNN2), and we validated its accuracy. Survival analysis showed that patients in the high-TLS score group had a significantly better overall survival than those in the low-TLS score group. Univariate, multivariate Cox regression analysis and the establishment of a nomogram indicated that the TLS score could independently function as a potential prognostic marker. A significant association between TLS score and immunity was revealed by an analysis of gene alterations and immune cell infiltration. In addition, two subtypes of the TLS score could accurately predict the effectiveness of sorafenib, transcatheter arterial chemoembolization (TACE), and immunotherapy in HCC patients.
    UNASSIGNED: In this research, we conducted and validated a prognostic model associated with TLS that may be helpful for predicting clinical outcomes and treatment responsiveness for HCC patients.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

       PDF(Pubmed)

  • 文章类型: Journal Article
    抗原呈递树突状细胞(DC)和单核细胞在类风湿性关节炎(RA)发病机理中起重要作用,然而,它们的致耐受性潜力尚不清楚.在这里,在未治疗的RA患者中对DC的致耐受性进行了表征,以确定其在炎性关节炎管理中的作用.
    招募了36名未经治疗的RA患者,根据治疗6个月后的疾病活动评分(DAS),其中62%对甲氨蝶呤(MTX)单药治疗无反应。DC和单核细胞子集频率,激活(CD40,CD86,CD209表达),通过多色流式细胞术检查基线外周血中的致耐受性(细胞内吲哚胺-2,3-双加氧酶[IDO1]和细胞毒性T淋巴细胞抗原4[CTLA-4]表达)。测定血浆中可溶性CTLA-4(sCTLA-4)水平。
    与健康对照组(HC)相比,RA中的DC亚群减少,和常规DC(cDC)的频率与炎症标志物和疾病活动的改善呈负相关。CD141+cDC1s是主要的IDO1表达细胞。与HC相比,RA患者的IDO1+cDC1s减少。IDO1+cDC1s的基线频率与疾病活动的改善呈负相关。与HC相比,RA患者CD1ccDC2s和单核细胞中的CTLA-4表达较低。此外,与MTX无反应者相比,MTX反应者在血浆中具有显著较低的IDO1+cDC1细胞频率和较高水平的sCTLA-4。低IDO1+cDC1细胞有很强的预测性关联,低sCTLA-4和对MTX无反应。
    我们的发现揭示了与RA病理和治疗反应相关的DC和单核细胞免疫表型的改变。致耐受性IDO1+cDC1s的频率和低水平的sCTLA-4与MTX无反应性和治疗结果密切相关。这些结果表明,研究IDO1cDC1和sCTLA-4与治疗反应的相关性可能更适用于其他自身免疫性疾病。
    UNASSIGNED: Antigen-presenting dendritic cells (DCs) and monocytes play an essential role in rheumatoid arthritis (RA) pathogenesis, however, their tolerogenic potential remains unclear. Herein, the tolerogenic profiles of DCs are characterized in treatment-naïve RA patients to determine their role to inflammatory arthritis management.
    UNASSIGNED: Thirty-six treatment-naïve RA patients were enrolled, of which 62% were non-responders to methotrexate (MTX) monotherapy based on disease activity score (DAS) after 6-months of therapy. DC and monocyte subset frequencies, activation (CD40, CD86, CD209 expression), and tolerogenic profile (intracellular indoleamine-2,3-dioxygenase [IDO1] and cytotoxic T lymphocyte antigen 4 [CTLA-4] expression) were examined in the baseline peripheral blood by multicolor flow-cytometry. Soluble CTLA-4 (sCTLA-4) levels in plasma were measured.
    UNASSIGNED: DC subsets were decreased in RA compared to healthy controls (HC), and the frequency of conventional DCs (cDC) inversely correlated with inflammatory markers and improvement in disease activity. CD141+ cDC1s were the major IDO1-expressing cells. IDO1+cDC1s were reduced in RA patients compared to HC. The baseline frequency of IDO1+cDC1s inversely correlated with improvement in disease activity. CTLA-4 expression in CD1c+ cDC2s and monocytes was lower in RA patients compared to HC. Moreover, MTX-responders had a significantly lower frequency of IDO1+cDC1 cells and higher level of sCTLA-4 in the plasma compared to MTX non-responders. There was a strong predictive association of low IDO1+cDC1 cells, low sCTLA-4 and non-response to MTX.
    UNASSIGNED: Our findings reveal altered DC and monocytes immunophenotypes that are associated with RA pathology and treatment response. The frequencies of tolerogenic IDO1+cDC1s and the low level of sCTLA-4 are strongly associated with MTX non-responsiveness and therapeutic outcome. These results suggest that investigation of the association IDO1+cDC1 and sCTLA-4 with response to treatment may be more generalizable to other autoimmune diseases.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

       PDF(Pubmed)

  • 文章类型: Journal Article
    目的:探讨超声造影定量评价和预测非霍奇金淋巴瘤(NHL)早期治疗反应的价值。
    方法:在R-CHOP/CHOP三个周期之前和之后,使用CEUS对56例NHL进行了研究。定量参数,如到达时间(ATM),达到峰值的时间(TTP)△T=TTP-ATM,伽玛曲线下的面积(面积),曲线梯度(Grad),冲洗时间(WT),碱强度(BI),比较治疗前和治疗中期淋巴瘤和正常淋巴结的峰值强度(PI)和ΔI=PI-BI,分别。还比较了完全反应(CR)和不完全反应(非CR)组之间定量CEUS参数的变化。此外,预处理PI与定量参数变化之间进行相关性分析。
    结果:经过三个R-CHOP/CHOP循环后,S/L(P<0.001),PI(P=0.002),ΔI(P<0.001),Grad(P<0.001),NHL面积(P<0.001)明显减少。CR组和非CR组仅在治疗前的ATM上有所不同。相比之下,在治疗中期,两组之间的任何参数均无统计学差异.最后,治疗前PI与PI△%呈显著相关(r=0.736,P<0.001)。
    结论:CEUS有望用于评估NHL对R-CHOP/CHOP的反应。病变内灌注变化优先于形态学变化,表明治疗效果。治疗前ATM值可能有助于提示疗效结果,治疗前PI值可能是淋巴瘤灌注反应的有效预测指标。
    OBJECTIVE: To investigate the value of quantitative contrast-enhanced ultrasonography (CEUS) in assessing and predicting early therapy response of non-Hodgkin\'s lymphoma (NHL).
    METHODS: Fifty-six cases of NHL were studied using CEUS before and after three cycles of R-CHOP / CHOP. Quantitative parameters such as arrival time (ATM), time to peak (TTP), △T = TTP-ATM, area under the gamma curve (Area), curve gradient (Grad), wash-out time (WT), base intensity (BI), peak intensity (PI) and ΔI = PI-BI were compared between the lymphoma and normal lymph nodes before and at mid-treatment, respectively. Changes in quantitative CEUS parameters were also compared between complete response (CR) and incomplete response(non-CR) groups. Besides, the correlation analysis was performed between pretreatment PI and changes in quantitative parameters.
    RESULTS: After three cycles of R-CHOP/CHOP, S/L (P < 0.001), PI (P = 0.002), ΔI (P < 0.001), Grad (P < 0.001), and Area (P < 0.001) of NHL were significantly decreased. The CR group and non-CR group only differed in ATM before treatment. In contrast, there was no statistical difference in any of the parameters between the two groups at mid-treatment. Finally, a significant correlation was observed between pre-treatment PI and PI△% (r = 0.736, P < 0.001).
    CONCLUSIONS: CEUS is promising for the assessment of response of NHL to R-CHOP/CHOP. Intra-lesion perfusion changes take precedence over morphological changes suggesting treatment efficacy. Pre-treatment ATM values may help to suggest efficacy outcomes and pre-treatment PI values may be a valid predictor of lymphoma perfusion response.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

    求助全文

公众号