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炎症性衰老
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Nature Aging:陆新江/方马荣/冯晔/杨巍合作揭示炎症性衰老治疗新靶点——PIEZO1
生物世界· 2026-01-04 00:18
Core Viewpoint - The research published in Nature Aging reveals that PIEZO1 can sense shear stress in blood flow, inducing hematopoietic stem cell (HSC) proliferation and myeloid differentiation, with implications for understanding inflammation-induced aging [2][5]. Group 1: Research Findings - The study identifies that shear stress affects both mouse and human HSCs through PIEZO1-mediated ion flow and calcium influx, regulated by the JAM3 and CAPN2 signaling pathways [5]. - The use of PIEZO1 antagonist GsMTx4 can inhibit HSC activation, thereby alleviating inflammation-induced aging in mice [5]. - These findings link the mechanical sensor PIEZO1 to HSC proliferation and myeloid differentiation, highlighting its critical role in accelerating inflammation-induced aging processes [5].
颠覆性发现:Nature Aging论文证实,衰老相关炎症并非普遍存在
生物世界· 2025-07-07 07:24
Core Viewpoint - The study published in Nature Aging indicates that inflammaging, or age-related chronic inflammation, is not universal across different human populations, suggesting that it may be a byproduct of industrialized lifestyles rather than a universal aging process [1][8]. Group 1: Research Findings - The research compared industrialized populations (from Italy and Singapore) with non-industrialized populations (Tsimane from Bolivia and Orang Asli from Malaysia) to assess the universality of the inflammaging phenomenon [1][5]. - In industrialized populations, inflammation increases with age and is associated with age-related chronic diseases such as stroke, cardiovascular diseases, and cancer [7]. - In contrast, the non-industrialized populations exhibited high baseline inflammation levels due to common infections, but this inflammation did not increase with age and was not linked to chronic diseases [6][7]. Group 2: Implications - The findings challenge the existing paradigm surrounding inflammaging and highlight the importance of considering cultural, environmental, and lifestyle factors in aging research [8]. - Further exploration of how specific environmental conditions modulate inflammaging and its health outcomes could lead to targeted strategies for preventing age-related diseases in diverse global populations [8].
Nature:炎症是衰老之源
3 6 Ke· 2025-05-09 00:40
Group 1 - Chronic inflammation is identified as a significant factor accelerating aging, linked to the dysfunction of calcium signaling in macrophage mitochondria [1][2][4] - The process is described as "mitochondrial calcium signaling dysfunction → chronic immune activation → inflammatory aging" [3] - Chronic inflammation negatively impacts various body systems, including the brain, muscles, and metabolic health, increasing risks for diseases like Alzheimer's and type 2 diabetes [5][6] Group 2 - Lifestyle adjustments can effectively regulate inflammation levels and promote healthier aging [6] - A multi-dimensional strategy is recommended, including dietary changes, regular exercise, adequate sleep, stress management, and maintaining a healthy weight [7][32] Group 3 - Anti-inflammatory foods include colorful fruits and vegetables, omega-3 fatty acids, whole grains, and spices like turmeric [9][10][11][12] - It is advised to avoid pro-inflammatory foods such as sugar, unhealthy fats, and processed meats [14][15][16] Group 4 - Regular exercise is emphasized as a powerful tool against inflammation, with both aerobic and strength training recommended [20][23] - Sleep quality is crucial, with a target of 7-9 hours per night to reduce inflammation markers [27][28] Group 5 - Chronic psychological stress is linked to increased inflammation, and stress management techniques like mindfulness and yoga are suggested [29][31] - Environmental factors, such as pollution and chemical exposure, should be minimized to reduce inflammation [34]