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Spatiotemporal coordination between local flux and systemic homeostasis in the small intestine. 小肠局部通量与全身稳态的时空协调。
Pub Date : 2025-08-15 DOI: 10.1016/j.tem.2025.07.009
Jian Zhang,Siwen Zhang,Liheng Du,Yian Zhao,Di Wang
The small intestine has a pivotal role in nutrient absorption, host defense, and endocrine functions, with the maintenance of its homeostasis relying on the synergistic interplay of intrinsic and extrinsic factors. These encompass a highly organized spatiotemporal microenvironment, characterized by a regionalized histological architecture, functionally specialized cell populations, and spatially rhythmic nutrient gradient environments shaped by dietary patterns. While the link between small intestinal dysfunction and a wide range of systemic diseases has been well established, recent advances in spatial omics and dietary interventions have provided unprecedented new insights. Here, we review recent studies to systematically summarize the spatiotemporal regulatory mechanisms of small intestinal physiology, highlighting their important implications for the progression of inflammatory and metabolic diseases.
小肠在营养吸收、宿主防御、内分泌等功能中起着举足轻重的作用,其稳态的维持依赖于内因和外因的协同作用。这包括一个高度组织化的时空微环境,其特征是区域化的组织结构,功能特化的细胞群,以及由饮食模式形成的空间节律性营养梯度环境。虽然小肠功能障碍与广泛的全身性疾病之间的联系已经很好地建立,但空间组学和饮食干预的最新进展提供了前所未有的新见解。在此,我们回顾了最近的研究,系统地总结了小肠生理的时空调节机制,强调了它们在炎症和代谢性疾病进展中的重要意义。
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引用次数: 0
Repurposing metabolic drugs as anti-inflammatory agents. 重新利用代谢药物作为抗炎剂。
Pub Date : 2025-08-13 DOI: 10.1016/j.tem.2025.07.003
Andrew E Hogan,Cian Davis,Benjamin J Jenkins,Nicholas Jones,Donal O'Shea
Dysregulation of bodyweight systemic metabolism is intrinsically linked to an inflammatory phenotype, with each underpinning the other. Over the past decade, new classes of drug, such as glucagon-like peptide-1 (GLP-1)-based therapies and sodium glucose co-transporter 2 (SGLT2) inhibitors, have entered the clinical management of bodyweight and metabolic disease with great success. With their expanded use, it is emerging that the benefits of these drugs extend beyond metabolic improvements into changes in chronic inflammation, potentially independent of those in metabolism. In this review, we discuss the impact of metabolic drugs on inflammatory comorbidities of metabolic disorders and beyond. We highlight the molecular mechanisms via which these drugs exert their anti-inflammatory actions and discuss their potential repurposing as direct anti-inflammatory agents.
体重系统代谢的失调与炎症表型有着内在的联系,两者互为基础。在过去的十年中,以胰高血糖素样肽-1 (GLP-1)为基础的疗法和葡萄糖共转运蛋白2钠(SGLT2)抑制剂等新型药物已进入体重和代谢性疾病的临床治疗,并取得了巨大的成功。随着其使用范围的扩大,这些药物的益处逐渐超出了代谢改善,而改变了慢性炎症,可能与代谢无关。在这篇综述中,我们讨论了代谢药物对代谢紊乱及其他炎症合并症的影响。我们强调了这些药物发挥抗炎作用的分子机制,并讨论了它们作为直接抗炎剂的潜在用途。
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引用次数: 0
Mechanomedicine targeting brown adipose tissue for metabolic health. 以褐色脂肪组织为目标的代谢健康机械医学。
Pub Date : 2025-08-13 DOI: 10.1016/j.tem.2025.07.007
Hui Yang,Shanshan Zhu,Zhe Yang,Bin Gao,Shaoyong Xu,Feng Xu
Brown adipose tissue (BAT) is a compelling therapeutic target against metabolic diseases. Mechanical cues regulate BAT function and may offer novel, non-pharmacological therapeutic approaches. Herein, we discuss the biomechanical pathways underlying BAT activation, highlight advances in mechanotherapeutic strategies, and consider how emerging technologies may enhance these interventions.
棕色脂肪组织(BAT)是治疗代谢性疾病的重要靶点。机械线索调节BAT功能,并可能提供新颖的非药物治疗方法。在此,我们讨论了BAT激活的生物力学途径,强调了机械治疗策略的进展,并考虑了新兴技术如何增强这些干预措施。
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引用次数: 0
Triglyceride-based lipotoxicity in the pathophysiology of chronic diseases. 甘油三酯为基础的脂肪毒性在慢性疾病病理生理中的作用。
Pub Date : 2025-08-11 DOI: 10.1016/j.tem.2025.07.004
Junjun Liu,Xiude Fan,Yongfeng Song,Jiajun Zhao
Since the introduction of the concept of 'lipotoxicity' 30 years ago, it has become widely accepted that ectopic triglyceride deposition is a key contributor to metabolic diseases. Subsequently, clinical observations have also revealed that triglyceride deposition can occur in a wide range of tissues and organs, including liver, pancreas, kidney, bone, thyroid and sex glands. However, these ectopic triglycerides were long regarded as inert reservoirs. Recently, progress in the field has continued to demonstrate the pathogenic potential of ectopic triglycerides within their deposition sites. Thus, lipotoxicity-related disorders have been extended to include pancreatitis, renal disease, osteoporosis, hypothyroidism, and infertility. In this review, we aim to provide an updated summary on the contribution of triglyceride-based lipotoxicity to chronic diseases.
自从30年前引入“脂肪毒性”的概念以来,异位甘油三酯沉积是代谢性疾病的关键因素,这一观点已被广泛接受。随后,临床观察也表明甘油三酯沉积可发生在广泛的组织和器官中,包括肝脏、胰腺、肾脏、骨骼、甲状腺和性腺。然而,这些异位甘油三酯长期以来被认为是惰性储层。最近,该领域的进展继续证明异位甘油三酯在其沉积部位的致病潜力。因此,脂毒性相关疾病已扩展到包括胰腺炎、肾病、骨质疏松、甲状腺功能减退和不孕症。在这篇综述中,我们旨在提供甘油三酯为基础的脂肪毒性对慢性疾病的贡献的最新总结。
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引用次数: 0
Exercise pills for cardiometabolic health cannot mimic the exercise milieu. 促进心脏代谢健康的运动药片无法模仿运动环境。
Pub Date : 2025-08-09 DOI: 10.1016/j.tem.2025.07.005
Abel Plaza-Florido,Malene E Lindholm,Pedro Carrera-Bastos,Alejandro Santos-Lozano,Pedro L Valenzuela,Carmen Fiuza-Luces,Shlomit Radom-Aizik,Alejandro Lucia
Physical exercise can play an important role both in primary and secondary cardiovascular disease prevention by virtue of its multisystem effects. These beneficial adaptations at the whole-body level include improvements in mitochondrial health, vascular function, and autonomic balance, together with attenuation of inflammation and the release of 'exerkines' with pleiotropic effects. Thus, several research groups have attempted to develop so-called 'exercise pills' or 'exercise mimetics': that is, substances that are theoretically capable of reproducing some of the cardiometabolic benefits associated with regular exercise. In this review we summarize pharmacological and phytochemical agents which, when used alone or in combination with exercise, may improve cardiometabolic health. We also discuss the current gaps and future steps needed to translate these findings into therapeutic applications.
体育锻炼具有多系统的作用,在心血管疾病的原发性和继发性预防中都发挥着重要作用。在全身水平上,这些有益的适应包括线粒体健康、血管功能和自主神经平衡的改善,以及炎症的衰减和具有多效性的“运动因子”的释放。因此,几个研究小组试图开发所谓的“运动药丸”或“运动模拟物”:也就是说,理论上能够复制一些与定期运动相关的心脏代谢益处的物质。在这篇综述中,我们总结了药物和植物化学药物,当单独使用或与运动联合使用时,可以改善心脏代谢健康。我们还讨论了目前的差距和将这些发现转化为治疗应用所需的未来步骤。
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引用次数: 0
Noncanonical clock regulators control stress responses in digestive diseases. 非规范时钟调节控制消化系统疾病的应激反应。
Pub Date : 2025-08-01 DOI: 10.1016/j.tem.2025.07.002
Dishu Zhou,Roberto E López-Valiente,Samer G Mattar,Dongyin Guan
The digestive system is essential for nutrient absorption, processing, and waste elimination. The expression of many genes and physiological processes within this system exhibits a 24-h rhythmicity. However, modern lifestyle factors, such as jet lag, shift work, and irregular eating patterns, significantly disrupt these rhythms, triggering various stress responses and contributing to numerous digestive disorders. Here, we focus on emerging studies on noncanonical clock regulators involved in stress responses, integrate these novel findings into the established model of the core circadian clock, and highlight recent advances in the development of novel therapeutics targeting these 24-h regulators. In addition, we discuss the optimized timing of dietary interventions and drug administration, collectively known as chronotherapy, as a promising approach for managing digestive diseases.
消化系统对营养物质的吸收、处理和废物的消除至关重要。许多基因的表达和生理过程在这个系统中表现出24小时的节律性。然而,现代生活方式的因素,如时差、轮班工作和不规律的饮食模式,极大地破坏了这些节律,引发了各种压力反应,并导致了许多消化系统疾病。在这里,我们将重点关注涉及应激反应的非规范时钟调节因子的新兴研究,将这些新发现整合到核心生物钟的既定模型中,并强调针对这些24小时调节因子的新疗法的最新进展。此外,我们讨论了饮食干预和药物管理的最佳时机,统称为时间疗法,作为一种有前途的方法来管理消化系统疾病。
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引用次数: 0
A multidimensional epidemiological perspective on frailty dynamics and prevention. 脆弱动态和预防的多维流行病学观点。
Pub Date : 2025-07-31 DOI: 10.1016/j.tem.2025.07.001
Meijie Jiang,Peifeng Guo,Shuzhen Liu,Hao Wang,Jiansheng Cai,Jian Qin,Xu Gao
Frailty, characterized by reduced resilience and increased vulnerability, is a growing public health concern in aging populations. It is increasingly recognized as a dynamic and potentially reversible condition, with transitions between non-frail, pre-frail, and frail states. Recent research has advanced our understanding of frailty through improved multidimensional assessment instruments, trajectories and transitions, and recognition of key risk factors. Here, we synthesize current epidemiological evidence, emphasizing the fluctuating nature of frailty and the potential for early intervention to halt or reverse its progression. We discuss both modifiable and non-modifiable contributors and highlight intervention strategies focused on physical activity, nutrition, and social and environmental support, and aim to inform future directions from a dynamic perspective for prevention and precision management of frailty.
以复原力下降和易受伤害性增加为特征的虚弱是老年人日益关注的公共卫生问题。它越来越被认为是一种动态的、潜在可逆的疾病,可以在非虚弱、虚弱前期和虚弱状态之间转换。最近的研究通过改进多维评估工具、轨迹和过渡以及对关键风险因素的认识,提高了我们对脆弱性的理解。在这里,我们综合了目前的流行病学证据,强调虚弱的波动性和早期干预阻止或逆转其进展的潜力。我们讨论了可改变的和不可改变的因素,并强调了以身体活动、营养、社会和环境支持为重点的干预策略,旨在从动态的角度为预防和精确管理虚弱提供未来的方向。
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引用次数: 0
Metabolic-immune microenvironment crosstalk mediating ICI resistance in MASH-HCC. 代谢-免疫微环境串扰介导MASH-HCC的ICI抗性。
Pub Date : 2025-07-21 DOI: 10.1016/j.tem.2025.06.008
Yi Ju,Kequan Xu,Xi Chen,Tiangen Wu,Yufeng Yuan
As a pivotal immunotherapy modality, immune checkpoint inhibitors (ICIs) have demonstrated significant clinical efficacy in a variety of malignant tumors, including viral hepatocellular carcinoma (HCC). However, metabolic-associated steatohepatitis-related hepatocellular carcinoma (MASH-HCC) is significantly resistant to ICI, its metabolic-immune crosstalk mechanisms have not been systematically defined, and methods to improve the efficacy of ICI in this context are lacking. Thus, here we elucidate the microenvironmental features of MASH-HCC, focusing on tumor metabolic-immune crosstalk mechanisms such as metabolic reprogramming, metabolic stress, fibrosis, and the gut-liver axis, and summarize clinical and preclinical studies currently assessing whether metabolic drugs may help with overcoming ICI resistance and improving clinical efficacy against MASH-HCC.
作为一种关键的免疫治疗方式,免疫检查点抑制剂(ICIs)在包括病毒性肝细胞癌(HCC)在内的多种恶性肿瘤中已显示出显著的临床疗效。然而,代谢相关脂肪性肝炎相关肝细胞癌(MASH-HCC)对ICI具有明显的耐药性,其代谢-免疫串串机制尚未系统定义,并且缺乏在这种情况下提高ICI疗效的方法。因此,在此,我们阐明了MASH-HCC的微环境特征,重点关注肿瘤代谢-免疫串扰机制,如代谢重编程、代谢应激、纤维化和肠-肝轴,并总结了目前评估代谢药物是否有助于克服ICI耐药和提高MASH-HCC临床疗效的临床和临床前研究。
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引用次数: 0
A metabolic perspective on cuproptosis 从代谢角度看铜骨畸形
Pub Date : 2025-07-18 DOI: 10.1016/j.tem.2025.06.007
Yehua Li, Xiaodong Wang
Copper (Cu) is an essential trace element that plays a fundamental role in various biological processes, including electron transfer and enzymatic reactions. Cu homeostasis is tightly regulated by transporters, including CTR1 and ZnT1, that mediate Cu uptake, as well as by intracellular Cu chaperones and exporters such as ATP7A and ATP7B. Excessive accumulation of Cu can lead to cuproptosis, a form of regulated cell death characterized by Cu-induced lipoylated protein aggregation and degradation of Fe–S cluster proteins. We discuss how recent insights into Cu metabolism and cuproptosis have expanded our understanding of Cu homeostasis, and present new opportunities for the treatment of human diseases involving Cu imbalance, including Menkes and Wilson's diseases, neurodegenerative conditions, and cancer.
铜(Cu)是一种必需的微量元素,在各种生物过程中起着重要作用,包括电子转移和酶促反应。铜稳态受到转运体(包括介导铜摄取的CTR1和ZnT1)以及细胞内铜伴侣和输出体(如ATP7A和ATP7B)的严格调控。过量的Cu积累可导致铜沉积,这是一种受调节的细胞死亡形式,其特征是Cu诱导的脂化蛋白聚集和Fe-S簇蛋白降解。我们讨论了最近对铜代谢和铜沉积的见解如何扩展了我们对铜稳态的理解,并为涉及铜失衡的人类疾病的治疗提供了新的机会,包括Menkes和Wilson病,神经退行性疾病和癌症。
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引用次数: 0
Industrialized diets modulate host eating behavior via the microbiome-gut-brain axis. 工业化饮食通过微生物群-肠-脑轴调节宿主的饮食行为。
Pub Date : 2025-07-17 DOI: 10.1016/j.tem.2025.06.002
Yi Jia Liow,Amar Sarkar,Rachel N Carmody
The gut microbiome is an important participant in the gut-brain axis and a key mediator of host-diet interactions that shape feeding behavior. These effects occur through microbial metabolism of dietary components - fiber, sugar, fat, and protein - into bioactive metabolites that influence microbiome-gut-brain signaling. Industrialized diets are enriched in highly processed, energy-dense foods characterized by elevated fat and sugar content and reduced fiber content. These diets have been implicated in altered eating behaviors involving the microbiome-gut-brain axis. We propose that different ratios of dietary substrates in industrialized diets perturb the microbiome-gut-brain axis, thereby driving changes in microbial metabolite production and downstream signaling with behavioral consequences. Integration of microbiome and neuroscience methodologies will help to delineate the causal mechanisms by which diet shapes interoceptive signaling and eating behavior.
肠道微生物群是肠-脑轴的重要参与者,也是塑造摄食行为的宿主-饮食相互作用的关键媒介。这些影响是通过微生物将膳食成分(纤维、糖、脂肪和蛋白质)代谢为影响微生物群-肠-脑信号的生物活性代谢物而发生的。工业化饮食富含高度加工、能量密集的食物,其特点是脂肪和糖含量升高,纤维含量降低。这些饮食与改变饮食行为有关,涉及微生物群-肠-脑轴。我们认为,工业化饮食中不同比例的膳食底物扰乱了微生物群-肠-脑轴,从而驱动了微生物代谢物产生和下游信号的变化,并产生了行为后果。微生物组和神经科学方法的整合将有助于描述饮食塑造内感受信号和饮食行为的因果机制。
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引用次数: 0
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Trends in Endocrinology & Metabolism
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