NAFLD, non-alcoholic fatty liver disease

NAFLD,非酒精性脂肪性肝病
  • 文章类型: Journal Article
    慢性非传染性疾病(NCDs)被认为是一个全球性的健康问题。以多种因素的疾病为特征,这些都是在一生中发展起来的,不管遗传学是一个重要的风险因素,死亡率的增加归因于环境因素和生活方式导致的疾病。虽然活性物质(ROS/RNS)是几个生理过程所必需的,它们的过度生产与非传染性疾病的发病和加重直接相关。相比之下,膳食多酚广泛与减少氧化应激和炎症相关。除了它们的抗氧化能力,多酚也引起了人们的注意,因为它能够调节基因表达和修饰表观遗传改变,表明在预防和/或发展某些病理方面有必要的参与。因此,这篇综述简要解释了一些非传染性疾病发展的机制,随后总结了与多酚在氧化应激中相互作用有关的一些证据,以及涉及非传染性疾病管理的表观遗传机制的调节。
    Chronic Non-Communicable Diseases (NCDs) have been considered a global health problem, characterized as diseases of multiple factors, which are developed throughout life, and regardless of genetics as a risk factor of important relevance, the increase in mortality attributed to the disease to environmental factors and the lifestyle one leads. Although the reactive species (ROS/RNS) are necessary for several physiological processes, their overproduction is directly related to the pathogenesis and aggravation of NCDs. In contrast, dietary polyphenols have been widely associated with minimizing oxidative stress and inflammation. In addition to their antioxidant power, polyphenols have also drawn attention for being able to modulate both gene expression and modify epigenetic alterations, suggesting an essential involvement in the prevention and/or development of some pathologies. Therefore, this review briefly explained the mechanisms in the development of some NCDs, followed by a summary of some evidence related to the interaction of polyphenols in oxidative stress, as well as the modulation of epigenetic mechanisms involved in the management of NCDs.
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  • 文章类型: Journal Article
    非酒精性脂肪性肝病(NAFLD)表现为过度的肝内脂肪积累而没有大量的酒精摄入。据报道涉及多因素发病机制。溶酶体酸性脂肪酶(LAL)活性降低被认为是新的致病机制之一。这篇综述总结了LAL活性在NAFLD发病机制中作用的现有证据。
    四个数据库,即PubMed/Medline,科学直接,科克伦图书馆,搜索和Google学者以确定相关的观察记录,评估LAL活性在NAFLD发病机制中的作用。通过使用纽卡斯尔-渥太华量表或JoannaBriggs研究所关键评估工具进行队列和横断面研究,对所有研究进行了质量评估。分别。LAL活性和其他临床结果的估计表示为平均值(SD)和数量(%),如主要研究中所示。
    共有9项质量良好的研究,其中包括来自不同组的1711名NAFLD患者和877名对照(健康志愿者,酗酒者,隐源性肝硬化,和HCV阳性)被包括在内。NAFLD组的人,59.55%为男性,研究之间的总体平均年龄从儿科的12.6±8.5个月到成人的58.90±13.82岁。在NAFLD组中,研究之间的LAL活性在0.53±0.08至1.3±0.70(nmol/spot/hr)之间变化,低于所有对照组,除了隐源性肝硬化患者(0.5±0.15nmol/spot/hr)。在其他感兴趣的结果中,ALT,AST,总胆固醇,甘油三酯,NAFLD患者的LDL胆固醇水平高于对照组。
    目前的证据表明,根据其严重程度,LAL活性降低与NAFLD发病机制的潜在相关性。建议进行大规模研究,更重要的是在没有代谢或遗传参与的NAFLD患者中。此外,LAL可以作为一种新的非侵入性诊断生物标志物来识别特定的NAFLD亚群。
    UNASSIGNED: Non-alcoholic fatty liver disease (NAFLD) presents with the accumulation of excessive intra-hepatic fat without significant alcohol intake. Multifactorial pathogenesis is reported to be involved. Reduced lysosomal acid lipase (LAL) activity is suggested as one of the novel-involved pathogenic mechanisms. This review summarizes the available evidence on the role of LAL activity in NAFLD pathogenesis.
    UNASSIGNED: Four databases namely, PubMed/Medline, Science direct, Cochrane Library, and Google scholar were searched to identify relevant observational records evaluating the role of LAL activity in the pathogenesis of NAFLD. All studies were assessed for their quality by using Newcastle-Ottawa Scale or The Joanna Briggs Institute Critical Appraisal tools for cohort and cross-sectional studies, respectively. The estimates of LAL activity and other clinical outcomes were expressed as mean (SD) and number (%) as presented in the primary studies.
    UNASSIGNED: A total of nine good quality studies with 1711 patients with NAFLD and 877 controls from different groups (healthy volunteers, alcoholics, cryptogenic cirrhosis, and HCV-positive) were included. From the NAFLD group, 59.55% were males and the overall mean age ranged between the studies from 12.6 ± 8.5 months in pediatrics to 58.90 ± 13.82 years in adults. In the NAFLD group, the LAL activity varied from 0.53 ± 0.08 to 1.3 ± 0.70 (nmol/spot/hr) between the studies which was less than all control groups except cryptogenic cirrhosis patients (0.5 ± 0.15 nmol/spot/hr). Of the other outcomes of interest, ALT, AST, total cholesterol, triglyceride, and LDL cholesterol were found elevated in NAFLD patients than in controls.
    UNASSIGNED: The current evidence suggests a potential correlation of reduced LAL activity with NAFLD pathogenesis according to its severity. Large-scale studies are recommended, more importantly in patients with NAFLD having no metabolic or genetic involvement. Further LAL can act as a new non-invasive diagnostic biomarker to identify that specific NAFLD subgroup.
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  • 文章类型: Journal Article
    未经证实:非酒精性脂肪性肝炎(NASH)与死亡率增加和高临床负担相关。NASH对患者健康相关生活质量(HRQoL)产生不利影响,但是关于疾病的人文负担的公开数据是有限的。这篇综述旨在总结和严格评估NASH人群中报告HRQoL或患者报告结果(PRO)的研究,并确定进一步研究的关键差距。
    未经批准:Medline,EMBASE,我们在Cochrane图书馆和PsycINFO中搜索了2010年至2021年出版的英文出版物,这些出版物报告了NASH患者人群或亚人群的HRQoL/PRO结局.
    UNASSIGNED:确定了25篇出版物,涵盖了23项独特的研究。总的来说,数据显示NASH对HRQoL有重大影响,特别是在身体机能和疲劳方面,随着NASH的进展,身心健康恶化。常见症状,包括疲劳,腹痛,焦虑/抑郁,认知问题,睡眠质量差,对患者的工作能力和日常生活活动能力以及人际关系质量产生不利影响。然而,由于缺乏患者的意识和教育,一些患者未能将症状归因于他们的疾病。NASH与肥胖和2型糖尿病等合并症的高发率相关,这有助于降低HRQoL。就诊断方法而言,研究是异质的,人口,结果,随访时间,以及HRQoL/效用的衡量标准。大多数研究在质量评估中被评为“中等”,所有可评估的研究都对混杂因素控制不足.
    UNASSIGNED:NASH与显著的HRQoL负担相关,在病程早期开始并随疾病进展而增加。需要更有力的研究来更好地了解NASH的人文负担,对可能影响结果的混杂因素进行充分调整。
    UNASSIGNED:非酒精性脂肪性肝炎(NASH)对生活质量有重大影响,与普通人群相比,个人的身心健康状况更差。NASH及其症状,其中包括疲倦,胃痛,焦虑,抑郁症,注意力和记忆力差,睡眠受损,影响个人关系和工作和执行日常任务的能力。然而,并非所有患者都知道他们的症状可能与NASH有关.患者将从更多的疾病教育中受益,良好的社交网络对患者健康和福祉的重要性应该得到加强。需要更多的研究来更好地了解NASH的患者负担。
    UNASSIGNED: Non-alcoholic steatohepatitis (NASH) is associated with increased mortality and a high clinical burden. NASH adversely impacts patients\' health-related quality of life (HRQoL), but published data on the humanistic burden of disease are limited. This review aimed to summarise and critically evaluate studies reporting HRQoL or patient-reported outcomes (PROs) in populations with NASH and identify key gaps for further research.
    UNASSIGNED: Medline, EMBASE, the Cochrane Library and PsycINFO were searched for English-language publications published from 2010 to 2021 that reported HRQoL/PRO outcomes of a population or subpopulation with NASH.
    UNASSIGNED: Twenty-five publications covering 23 unique studies were identified. Overall, the data showed a substantial impact of NASH on HRQoL, particularly in terms of physical functioning and fatigue, with deterioration of physical and mental health as NASH progresses. Prevalent symptoms, including fatigue, abdominal pain, anxiety/depression, cognition problems, and poor sleep quality, adversely impact patients\' ability to work and perform activities of daily living and the quality of relationships. However, some patients fail to attribute symptoms to their disease because of a lack of patient awareness and education. NASH is associated with high rates of comorbidities such as obesity and type 2 diabetes, which contribute to reduced HRQoL. Studies were heterogeneous in terms of diagnostic methods, population, outcomes, follow-up time, and measures of HRQoL/utility. Most studies were rated \'moderate\' at quality assessment, and all evaluable studies had inadequate control of confounders.
    UNASSIGNED: NASH is associated with a significant HRQoL burden that begins early in the disease course and increases with disease progression. More robust studies are needed to better understand the humanistic burden of NASH, with adequate adjustment for confounders that could influence outcomes.
    UNASSIGNED: Non-alcoholic steatohepatitis (NASH) has a significant impact on quality of life, with individuals experiencing worse physical and mental health compared with the general population. NASH and its symptoms, which include tiredness, stomach pain, anxiety, depression, poor focus and memory, and impaired sleep, affect individuals\' relationships and ability to work and perform day-to-day tasks. However, not all patients are aware that their symptoms may be related to NASH. Patients would benefit from more education on their disease, and the importance of good social networks for patient health and well-being should be reinforced. More studies are needed to better understand the patient burden of NASH.
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  • 文章类型: Journal Article
    非酒精性脂肪性肝病(NAFLD)在全球肝病负担中占很大比例。几个小组研究了印度人口中NAFLD的患病率。
    对已发表的文献和荟萃分析进行了系统综述,以估计印度人群中NAFLD的患病率。
    从电子数据库中搜索到2021年4月以前出版的英文文献。包括以任何形式发表的原始数据,这些数据报告了印度人群中NAFLD的患病率。根据年龄(成人或儿童)和风险类别进行患病率亚组分析,即,平均风险组(社区人口,控制臂的参与者,未被选中的参与者,甲状腺功能减退的个体,运动员,航空机组人员,和军队人员)和高危人群(肥胖或超重,糖尿病,冠状动脉疾病,等。).使用随机效应模型汇总患病率估计值。用I2评估异质性。
    包括来自50项研究的62个数据集(儿童8和成人54)。NAFLD的合并患病率估计来自2903名儿童和23,581名成人参与者。在成年人中,估计合并患病率为38.6%(95%CI32-45.5).平均风险和高风险亚组的NAFLD患病率估计为28.1%(95%CI20.8-36)和52.8%(95%CI46.5-59.1)。分别。基于医院的数据(40.8%[95%CI32.6-49.3%])估计的NAFLD患病率高于基于社区的数据(28.2%[95%CI16.9-41%])。在儿童中,估计合并患病率为35.4%(95%CI18.2~54.7).非肥胖和肥胖儿童的患病率分别为12.4(95%CI4.4-23.5)和63.4(95%CI59.4-67.3),分别。
    现有数据表明,印度约有三分之一的成人或儿童患有NAFLD。
    UNASSIGNED: Non-alcoholic fatty liver disease (NAFLD) contributes to a large proportion of liver disease burden in the world. Several groups have studied the prevalence of NAFLD in the Indian population.
    UNASSIGNED: A systematic review of the published literature and meta-analysis was carried out to estimate the prevalence of NAFLD in the Indian population.
    UNASSIGNED: English language literature published until April 2021 was searched from electronic databases. Original data published in any form which had reported NAFLD prevalence in the Indian population were included. The subgroup analysis of prevalence was done based on the age (adults or children) and risk category, i.e., average-risk group (community population, participants of control arm, unselected participants, hypothyroidic individuals, athletes, aviation crew, and army personnel) and high-risk group (obesity or overweight, diabetes mellitus, coronary artery disease, etc.). The prevalence estimates were pooled using the random-effects model. Heterogeneity was assessed with I2.
    UNASSIGNED: Sixty-two datasets (children 8 and adults 54) from 50 studies were included. The pooled prevalence of NAFLD was estimated from 2903 children and 23,581 adult participants. Among adults, the estimated pooled prevalence was 38.6% (95% CI 32-45.5). The NAFLD prevalence in average-risk and high-risk subgroups was estimated to be 28.1% (95% CI 20.8-36) and 52.8% (95% CI 46.5-59.1), respectively. The estimated NAFLD prevalence was higher in hospital-based data (40.8% [95% CI 32.6-49.3%]) than community-based data (28.2% [95% CI 16.9-41%]). Among children, the estimated pooled prevalence was 35.4% (95% CI 18.2-54.7). The prevalence among non-obese and obese children was 12.4 (95% CI 4.4-23.5) and 63.4 (95% CI 59.4-67.3), respectively.
    UNASSIGNED: Available data suggest that approximately one in three adults or children have NAFLD in India.
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  • 文章类型: Journal Article
    康普茶,2000年前起源于中国,是一种酸甜的饮料,传统上通过红茶发酵制备。在红茶菌的发酵过程中,主要由酸性化合物组成,微生物,和少量的酒精,一种叫做SCOBY的生物膜形式。红茶菌中的细菌通常被鉴定为醋杆菌科。红茶菌是B族复合维生素的值得注意的来源,多酚,和有机酸(主要是乙酸)。如今,红茶菌倾向于与其他一些植物物种一起制备,which,因此,导致其成分的变化。对康普茶进行的临床前研究表明,它具有所需的生物活性,如抗菌,抗氧化剂,保肝,抗高胆固醇血症,抗癌,抗炎,等。仅报道了一些临床研究。在当前的审查中,我们的目的是全面研究红茶菌的临床前生物活性及其简短的组成化学。文献数据表明,红茶菌对人类健康具有重要的生物学作用。
    Kombucha, originated in China 2000  years ago, is a sour and sweet-tasted drink, prepared traditionally through fermentation of black tea. During the fermentation of kombucha, consisting of mainly acidic compounds, microorganisms, and a tiny amount of alcohol, a biofilm called SCOBY forms. The bacteria in kombucha has been generally identified as Acetobacteraceae. Kombucha is a noteworthy source of B complex vitamins, polyphenols, and organic acids (mainly acetic acid). Nowadays, kombucha is tended to be prepared with some other plant species, which, therefore, lead to variations in its composition. Pre-clinical studies conducted on kombucha revealed that it has desired bioactivities such as antimicrobial, antioxidant, hepatoprotective, anti-hypercholestorelomic, anticancer, anti-inflammatory, etc. Only a few clinical studies have been also reported. In the current review, we aimed to overhaul pre-clinical bioactivities reported on kombucha as well as its brief compositional chemistry. The literature data indicate that kombucha has valuable biological effects on human health.
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  • 文章类型: Journal Article
    UNASSIGNED: In an attempt to uncover unmet patient needs, this review aims to synthesise quantitative and qualitative studies on patients\' quality of life and their experience of having liver disease.
    UNASSIGNED: Three databases (CINAHL, Embase, and PubMed) were searched from January 2000 to October 2020. The methodological quality and data extraction of both quantitative and qualitative studies were screened and appraised using Joanna Briggs Institute instruments for mixed-method systematic reviews and the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. A convergent, integrated approach to synthesis and integration was used. Studies including patients with autoimmune and cholestatic liver disease, chronic hepatitis B and C, non-alcoholic fatty liver disease and non-alcoholic steatohepatitis, cirrhosis, and hepatocellular carcinoma were considered.
    UNASSIGNED: The searches produced 5,601 articles, of which 95 (79 quantitative and 16 qualitative) were included in the review. These represented studies from 26 countries and a sample of 37,283 patients. The studies showed that patients´ quality of life was reduced. Unmet needs for information and support and perceived stigmatisation severely affected patients\' quality of life.
    UNASSIGNED: Our study suggests changes to improve quality of life. According to patients, this could be achieved by providing better education and information, being aware of patients\' need for support, and raising awareness of liver disease among the general population to reduce misconceptions and stigmatisation.
    UNASSIGNED: PROSPERO CRD42020173501.
    UNASSIGNED: Regardless of aetiology, patients with liver diseases have impaired quality of life. This is associated with disease progression, the presence of symptoms, treatment response, and mental, physical, and social factors such as anxiety, confusion, comorbidities, and fatigue, as well as limitations in daily living, including loneliness, low income, stigmatisation, and treatment costs. Patients highlighted the need for information to understand and manage liver disease, and awareness and support from healthcare professionals to better cope with the disease. In addition, there is a need to raise awareness of liver diseases in the general population to reduce negative preconceptions and stigmatisation.
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  • 文章类型: Journal Article
    患有2型糖尿病(T2DM)的个体具有发生非酒精性脂肪性肝病(NAFLD)和晚期纤维化/肝硬化的高风险。在初级保健中筛查T2DM和正常肝酶的NAFLD患者仍然存在争议。我们的目标是开发和评估整合两层(Fib-4然后瞬时弹性成像[TE])肝纤维化评估的初级护理途径,不管病因如何,纳入所有T2DM患者的常规年度审查。
    在2018年4月至2019年9月期间在英格兰东北部的2个初级保健实践中接受年度审查的所有年龄>35岁的T2DM患者(n=467)通过电子病历要求Fib-4。那些Fib-4评分高于“高灵敏度”阈值(>1.3≤65年和>2.0>65年)的患者接受TE,如果肝脏硬度测量(LSM)>8kPa,则在二级护理中进行审查。确定患有晚期疾病的患者数量,服务吸收,并评估了晚期疾病的预测因子。
    共有85/467(18.5%)的患者升高了Fib-4;27/467(5.8%)由于虚弱或已知的肝硬化而被排除。总共58/467(12.2%)被转诊为TE。58人中有25人(43.1%)的LSM>8kPa,13/58(22.4%)的LSM>15kPa;4/58(6.7%)未参加,5/58(9.3%)的读数无效。440名患者中有20名(4.5%)在专家审查后被发现患有晚期肝病,与之前通过标准治疗确定的3例患者相比(比值比[OR]6.71[2.0-22.7]p=0.0022).酒精(OR1.05[1.02-1.08]p=0.001)和BMI(OR1.09[1.01-1.17]p=0.021)是晚期疾病的预测因子,特别是饮酒>14/21单位/周(p<0.0001)。
    将2级肝纤维化评估纳入初级保健常规年度糖尿病综述,可显著提高T2DM患者对晚期肝病的识别。
    2型糖尿病患者发生非酒精性脂肪性肝病和更严重并发症的风险增加。这项研究着眼于在初级保健常规进行的年度糖尿病审查中引入晚期肝病的筛查;我们发现,与当前的标准护理相比,通过这种途径被确定为患有严重肝病的人明显更多。
    UNASSIGNED: Individuals with type 2 diabetes (T2DM) are at high risk of developing non-alcoholic fatty liver disease (NAFLD) and advanced fibrosis/cirrhosis. Screening patients with T2DM and normal liver enzymes for NAFLD in primary care remains contentious. Our aim was to develop and assess a primary care pathway integrating two-tier (Fib-4 then transient elastography [TE]) liver fibrosis assessment, irrespective of aetiology, into routine annual review of all patients with T2DM.
    UNASSIGNED: All patients aged >35 years with T2DM attending annual review at 2 primary care practices in North East England between April 2018 and September 2019 (n = 467) had Fib-4 requested via the electronic patient record. Those with a Fib-4 score above the \'high-sensitivity\' threshold (>1.3 for ≤65 years and >2.0 for >65 years) underwent TE and were reviewed in secondary care if the liver stiffness measurement (LSM) was >8 kPa. The number of patients identified with advanced disease, service uptake, and predictors of advanced disease were assessed.
    UNASSIGNED: A total of 85/467 (18.5%) patients had raised Fib-4; 27/467(5.8%) were excluded as a result of frailty or known cirrhosis. A total of 58/467 (12.2%) were referred for TE. Twenty-five of 58 (43.1%) had an LSM of >8 kPa and 13/58 (22.4%) had an LSM >15 kPa; 4/58 (6.7%) did not attend and 5/58 (9.3%) had an invalid reading. Twenty of 440 (4.5%) patients were found to have advanced liver disease following specialist review, compared to 3 patients previously identified through standard care (odds ratio [OR] 6.71 [2.0-22.7] p = 0.0022). Alcohol (OR 1.05 [1.02-1.08] p = 0.001) and BMI (OR 1.09 [1.01-1.17] p = 0.021) were predictors of advanced disease, particularly drinking >14/21 units/week (p <0.0001).
    UNASSIGNED: Incorporating 2-tier assessment of liver fibrosis into routine annual diabetes review in primary care significantly improves identification of advanced liver disease in patients with T2DM.
    UNASSIGNED: People with type 2 diabetes are at increased risk of developing non-alcoholic fatty liver disease and developing more significant complications. This study looks at introducing screening for advanced liver disease into the annual diabetes reviews performed routinely in primary care; we found that significantly more people were identified as having significant liver disease through this pathway than with current standard care.
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  • 文章类型: Journal Article
    肝细胞癌(HCC)在大多数发展中国家普遍存在。在系统生物学时代,多组学已证明了一种广泛的方法来定义疾病进展的潜在机制。HCC是一种多因素疾病,随着培养组学方法,肝硬化进展的研究变得更加广泛。我们已经对这些挑战进行了全面的审查,在涉及到确定免疫学,与HCC相关的遗传学和流行病学因素。
    Hepatocellular Carcinoma (HCC) is ubiquitous in its prevalence in most of the developing countries. In the era of systems biology, multi-omics has evinced an extensive approach to define the underlying mechanism of disease progression. HCC is a multifactorial disease and the investigation of progression of liver cirrhosis becomes much extensive with cultivating omics approaches. We have performed a comprehensive review about such challenges in multi-omics approaches that are concerned to identify the immunological, genetics and epidemiological factors associated with HCC.
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