全球健康与长寿每日简报Global Health & Longevity Daily Briefing

中德州农工大学团队发现，全球最常见的聚乙烯微塑料可能损伤肝脏健康，促进脂肪肝发生；当其与不健康饮食叠加时，负面效应可能进一步放大。这为微塑料暴露的环境健康风险评估再添警示。

ENResearchers at Texas A&M found that polyethylene, one of the world's most common plastics, may harm liver health and contribute to fatty liver disease, with potentially worse effects when combined with an unhealthy diet, adding a new warning to environmental health risk assessment of microplastic exposure.

中研究团队开发"物种免疫结合评分"，把IgA包被程度与菌株丰度、跨个体稳定性结合。多发性硬化极早期患者传统菌群分析近乎正常，但高免疫结合菌种已从健康人的52种锐减至24种；粪菌移植后该指数显著回升，提示免疫-菌群界面有望成为早期预警与疗效监测窗口。

ENResearchers developed a species-level immune-binding score combining IgA coating, strain abundance and cross-individual stability. In very early multiple sclerosis, conventional microbiome profiling looked normal, yet highly IgA-bound species had fallen from 52 in healthy people to 24; the index rebounded after fecal microbiota transplantation, suggesting a new window for early warning and monitoring.

中刘心娟团队聚焦病原菌群落的功能"可塑性"，构建的机器学习模型以0.82的AUC区分溃疡性结肠炎患者与健康人；模块内六个关键菌种单独预测AUC超过0.9。研究把菌群可塑性确立为UC可量化的发病维度，为基于生态调控的精准干预开辟路径。

ENLiu Xinjuan's team targeted the functional plasticity of pathobiont communities: a machine-learning model distinguished ulcerative colitis patients from healthy controls with an AUC of 0.82, and six key species within the module each exceeded 0.9. The work establishes microbiome plasticity as a quantifiable dimension of UC and opens a path toward ecology-based precision interventions.

中新研究显示，年龄增长伴随产短链脂肪酸的肠道共生菌流失，削弱抗病毒免疫。在衰老的人肺细胞模型中，补充乙酸（醋酸盐）降低了病毒复制。该发现把"肠-肺轴"与免疫衰老联系起来，为老年人呼吸道感染的营养干预提供候选思路。

ENNew research shows that aging is accompanied by a decline in SCFA-producing gut commensals that weakens antiviral immunity. In senescent human lung cell models, acetate supplementation reduced viral replication. The finding links the gut-lung axis to immunosenescence and suggests a nutritional candidate for respiratory infection defense in older adults.

中2026年ARDD会议上，礼来报告替尔泊肽72周治疗后多种表观遗传衰老时钟出现有利变化（SURMOUNT-5子研究）；诺和汇总五项III期试验蛋白质组数据，模型估计司美格鲁肽组心脏生物学年龄降低约2-4年、肾脏等器官约1-4年。两家均强调这是探索性生物标志物分析，尚不能证明延长寿命。

ENAt ARDD 2026, Eli Lilly reported favorable shifts across multiple epigenetic aging clocks after 72 weeks of tirzepatide (SURMOUNT-5 sub-study), while Novo pooled proteomics from five Phase III trials estimating semaglutide-associated reductions of about 2-4 years in heart biological age and 1-4 years in kidney and other organ clocks. Both stress these are exploratory biomarker analyses that do not yet prove lifespan extension.

中10月7日Science Advances发表对全球最老陆生动物Jonathan（约194岁）的基因组与表观基因组分析：其线粒体能量代谢基因的启动子甲基化"熵"极低，基因表达保真度几乎未随年龄退化，与117岁超级老人的线粒体高效功能相互印证，提示维持基因调控有序性或为跨物种长寿的共同签名。

ENA Science Advances study published October 7 sequenced the genome and epigenome of Jonathan, the world's oldest land animal at about 194 years. Promoters of mitochondrial energy genes showed remarkably low methylation entropy, keeping gene expression faithful with age — echoing efficient mitochondria reported in a 117-year-old woman and pointing to preserved regulatory order as a cross-species signature of extreme longevity.

中CALERIE试验事后分析显示，两年适度限热使DunedinPACE衰老速度放慢约2-3%，但静态生物年龄未变；对应长期死亡风险可下降10-15%。Nature对960只遗传多样小鼠的终身研究发现：减重幅度越大寿命反而越短，组内保住体重与体脂者活得更久，应激下的体重韧性比血糖更能预测寿命。

ENA CALERIE post-hoc analysis shows two years of moderate caloric restriction slowed DunedinPACE by about 2-3% without changing static biological age, equivalent to a 10-15% lower long-term mortality risk. Meanwhile a Nature lifetime study of 960 genetically diverse mice found greater weight loss predicted shorter life: animals that preserved weight and fat lived longer, and stress-resilient weight stability outpredicted glucose as a longevity marker.

中英国生物衰老研究协会（BSRA）指出，尽管人口老龄化、医疗系统承压与长寿商业热潮并行，衰老生物学的诸多基本问题仍未解答，研究经费却严重不足。协会呼吁长寿产业反哺基础研究，弥合商业转化与科学认知之间的缺口，让行业增长建立在扎实的机制证据之上。

ENThe British Society for Research on Ageing (BSRA) notes that despite aging populations, stretched health systems and a booming longevity market, fundamental questions in the biology of aging remain unanswered while research funding stays scarce. It urges the longevity industry to reinvest in basic research, closing the gap between commercial translation and mechanistic evidence.

中浙江大学王迪/陈晟团队系统梳理饮食干预作为"新兴免疫治疗"的证据：全肠内营养与排除饮食缓解克罗恩病、膳食纤维经丁酸压制2型免疫并促进Treg分化、去除膳食糖即可经Th17机制改善代谢综合征。文章提出调节菌群、调控代谢物、作用营养感应通路三条精准营养路径，强调绘制个体"饮食-菌群-免疫"轨迹是个性化治疗的关键。

ENWang Di and Chen Sheng's team at Zhejiang University systematically review dietary intervention as an emerging immunotherapy: exclusive enteral nutrition and exclusion diets ease Crohn's disease, fermentable fiber-derived butyrate suppresses type-2 immunity and promotes Tregs, and simply removing dietary sugar improves metabolic syndrome via Th17 mechanisms. The authors outline three precision-nutrition routes — tuning microbiota, metabolites and nutrient-sensing pathways — and stress mapping individual diet-microbiome-immune trajectories.

中发表于Frontiers in Nutrition的综述整合菌群宏蛋白质组学证据，指出宿主蛋白信号常掩盖低丰度却关键的微生物蛋白，限制胰岛素抵抗的生物标志物发现。作者提出整合饮食、菌群功能与宿主炎症指标的个性化营养框架，并列出人群纵向监测、人体组织验证与多组学预测模型三大优先方向，指向"精准糖尿病医学"的肠轴落地。

ENA Frontiers in Nutrition review synthesizes metaproteomic evidence, noting that host proteins mask low-abundance but functionally critical microbial proteins, limiting biomarker discovery in insulin resistance. The authors propose a personalized nutrition framework integrating diet, microbial function and host inflammatory markers, and set three priorities: longitudinal human monitoring, tissue-level validation and multi-omics response prediction — a roadmap for precision diabetes medicine along the gut axis.

中发表于Regulatory Toxicology and Pharmacology的研究由华中科技大学同济医院与湖北省疾控合作完成：急性毒性、90天亚慢性、致畸与遗传毒性试验均为阴性，最高剂量相当于人体推荐量300倍仍无毒性；16S测序显示90天摄入未破坏菌群多样性，反而使AKK菌与乳杆菌等有益菌自然增殖，为"养本土菌优于空投外援菌"的益生元策略再添范例。

ENA study in Regulatory Toxicology and Pharmacology by Tongji Hospital (HUST) and Hubei CDC shows yeast beta-glucan passed acute, 90-day subchronic, teratogenicity and genotoxicity tests, with the top dose at 300 times the human-equivalent level showing no toxicity. 16S sequencing over 90 days found no loss of diversity — instead Akkermansia and Lactobacillus proliferated, reinforcing the prebiotic strategy of feeding native beneficial microbes rather than transplanting them.

中发表于Current Research in Food Science的综述盘点微流控肠道芯片进展：双腔厌氧芯片揭示乳化剂经菌群破坏黏液屏障；患者来源芯片保留个体代谢特征，肥胖者芯片异常糖转运表达可用于定位干预节点；与AI、数字孪生耦合后可预测个体膳食反应。ZOE、Viome等平台已在商业化验证，监管端FDA与EFSA同步推进非动物方法框架。

ENA review in Current Research in Food Science surveys microfluidic gut chips: dual-chamber anaerobic chips showed emulsifiers disrupt the mucus barrier via microbiota; patient-derived chips retain individual metabolic traits, with obese-donor chips exposing targetable carbohydrate-transport nodes; coupled with AI and digital twins they could predict individual dietary responses. ZOE and Viome are commercializing the concept while FDA and EFSA build non-animal regulatory frameworks.

中英国广告标准局（ASA）一项调查发现，随着食品品牌日益强调功能性宣称，数千条补充剂广告存在不合规风险。法律专家警告，这折射出英国市场"激进营销"的普遍趋势，坚果延寿、降低疾病风险类表述正被逐一审视，行业合规压力显著上升。

ENA UK Advertising Standards Authority investigation found thousands of supplement ads at risk of non-compliance as food brands increasingly lean on functional claims. A legal expert warns this reflects a broader trend of "aggressive marketing" in the UK, with life-extension and disease-risk claims under case-by-case scrutiny — raising the compliance bar for the industry.

中NutraIngredients观察到女性健康营销的微妙转向：需求端对潮热、睡眠、情绪等更年期缓解产品热情不减，但越来越多品牌以"激素平衡""生命阶段"等标签替代"更年期"表述，以规避消费者心理抵触与宣称风险。这一话术迁移正重塑品类命名、定位与证据沟通方式。

ENNutraIngredients observes a subtle shift in women's health marketing: demand for relief from hot flashes, sleep and mood issues remains strong, but more brands now use labels like "hormonal balance" and "life stage" instead of "menopause" to sidestep consumer aversion and claim-related risk — reshaping category naming, positioning and how evidence is communicated.

中雪印梅格米尔（Megmilk Snow Brand）宣布成立新事业部，集中推进益生菌与功能性配料业务，把多年来积累的乳酸菌菌株资产（如BB536等）向B2B原料市场与海外客户延伸，反映日本乳业巨头正把益生菌从终端乳品转向原料化、功能化、出海化的增长曲线。

ENMegmilk Snow Brand announced a new business unit dedicated to probiotics and functional ingredients, extending its accumulated lactic acid bacteria assets (such as BB536) into the B2B ingredient market and overseas clients — signaling how Japanese dairy majors are pivoting probiotics from retail dairy toward ingredient-based, functionalized and export-driven growth.

中多项试验提示胡芦巴（fenugreek）提取物或改善性功能、更年期症状与力量表现，但不同研究所用配方、皂苷含量与剂量差异显著，结果难以直接比较，安全性数据也存在空白。评论强调需在统一标准化提取物基础上开展更大规模RCT，才能支撑功能性宣称。

ENMultiple trials suggest fenugreek extract may improve sexual function, menopause symptoms and strength, but formulations, saponin content and dosages vary widely across studies, making results hard to compare, and safety data remain incomplete. Commentators call for larger RCTs on standardized extracts before functional claims can be substantiated.

中国家科技重大专项"重大慢病防治适宜技术推广"项目组联合全国48位多学科专家制定《面向个体健康行为促进的慢性病早期预防专家共识》，构建三层干预框架：保持合理饮食、充足饮水、适度运动、良好睡眠等十种健康生活方式，减盐减糖等九类风险因素，并防范八项相关侵害，为成年居民提供系统化、可操作的慢病早防路径。

ENA national major-science-project team joined 48 multidisciplinary experts to issue an expert consensus on early chronic disease prevention built on three tiers: ten healthy lifestyle "keeps" (balanced diet, adequate hydration, regular exercise, good sleep and more), nine risk-factor "reductions" including salt and sugar, and eight related "preventions," giving Chinese adults a systematic, actionable early-prevention pathway.

中工人日报报道，打卡跟练、拍照识别热量、大数据定制食谱正成为职场人减重新标配。专家提醒，专业个体化方案需综合体脂、代谢指标、肝肾功、用药与遗传背景，AI价值在于监测与辅助而非替人做决定；出现乏力、心悸、月经紊乱等信号应停用就医，慢病人群更需医生或营养师指导。

ENWorkers' Daily reports that workout check-ins, photo-based calorie recognition and big-data meal plans are becoming standard tools for office workers trying to lose weight. Experts caution that professional plans must account for body composition, metabolic markers, organ function, medication and genetics; AI should monitor and assist rather than decide, and symptoms like fatigue, palpitations or menstrual irregularities warrant stopping and seeking medical advice.

中一项覆盖56.2万人的大样本研究显示，心肺适能（CRF）能对标准风险因素之外的10年死亡风险进行有意义的重新分层：纳入CRF后，相当比例个体的风险分级被上调或下调，意味着仅看胆固醇和血压会漏判真实风险。研究者呼吁把CRF评估纳入常规临床筛查与健康管理路径。

ENA study of 562,000 people shows cardiorespiratory fitness (CRF) meaningfully reclassifies 10-year mortality risk beyond standard risk factors: adding CRF up- or down-classifies a substantial share of individuals, meaning cholesterol and blood pressure alone can misjudge true risk. The authors call for incorporating CRF assessment into routine clinical screening and health management.

中一项早期人体试验显示，CBL-514注射通过选择性触发脂肪细胞凋亡，使包裹内脏的腹部脂肪减少约12%，且不影响周围组织。若后续试验重复验证，该疗法有望为肥胖相关代谢风险提供绕开节食与手术的新干预选项；目前仍属早期数据，长期安全性待观察。

ENAn early human trial shows CBL-514 injection reduced abdominal visceral fat by about 12% by selectively triggering adipocyte apoptosis, sparing surrounding tissue. If replicated in later trials, the approach could offer a new option for obesity-related metabolic risk beyond dieting and surgery — though data remain early and long-term safety is still unknown.