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江南大学×中国科学院×安利纽崔莱合作Cell子刊:揭示运动有益健康的新机制
生物世界· 2025-11-18 00:00
Core Insights - Recent research indicates that autophagy is activated during exercise, mediating the health benefits associated with physical activity. However, the molecular mechanisms regulating skeletal muscle autophagy during exercise remain unclear [3][5]. Group 1: Research Findings - A study published in Cell Chemical Biology reveals that lactate produced during exercise enhances autophagy in skeletal muscle by lactylation of the mTOR protein [3][5]. - Lactate is identified as a positive regulator of autophagy in muscle cells, with levels rapidly increasing after a single exercise session [5]. - The study demonstrates that lactate promotes lactylation at the K921 site of the mTOR protein, inhibiting mTORC1 activity and enhancing autophagy [5][8]. Group 2: Implications - This research fundamentally redefines lactate, transforming it from a mere metabolic byproduct into a key signaling molecule that mediates exercise-induced skeletal muscle adaptation [7][8]. - The findings provide a conceptual framework for understanding how muscle metabolism translates into adaptive responses, opening new avenues for the treatment of muscle and metabolic diseases [8].
STTT:四川大学何勤/李曼团队开发阿尔茨海默新疗法
生物世界· 2025-11-04 04:21
Core Viewpoint - Alzheimer's disease (AD) is characterized by the accumulation of β-amyloid protein and hyperphosphorylated tau protein, leading to neuronal dysfunction and cognitive decline. Current treatments only alleviate symptoms without altering disease progression, while emerging therapies face significant challenges [2]. Group 1: Current Treatments and Limitations - Approved therapies for Alzheimer's, such as acetylcholinesterase inhibitors and NMDA receptor antagonists, only provide symptomatic relief and do not modify disease progression [2]. - Anti-Aβ monoclonal antibodies can reduce Aβ plaque burden and slow cognitive decline but have limitations, including low blood-brain barrier (BBB) permeability and ineffectiveness against newly generated Aβ [2]. - Emerging anti-tau therapies also face challenges, including off-target toxicity and poor clinical efficacy [2]. Group 2: Recent Research Developments - A study published by researchers from Sichuan University developed a method called Microglia-Liposome Fusion Extrusion (MiLi-FE) to create microglia-derived nanovesicles that can cross the BBB and co-deliver rapamycin and AR7 to treat Alzheimer's disease [3][4]. - The study confirmed that both macroautophagy and chaperone-mediated autophagy are impaired in Alzheimer's disease model mice, which precedes Aβ accumulation and drives disease progression [4]. Group 3: Mechanism and Efficacy of New Approach - The AR@ENV nanovesicles can effectively penetrate the BBB and target inflammatory sites in the brains of Alzheimer's patients, activating both autophagy pathways to enhance the clearance of Aβ and other toxic protein aggregates [5]. - This dual activation restores protein homeostasis and provides significant neuroprotection, improving neuroinflammation and cognitive deficits in two different Alzheimer's mouse models [5]. Group 4: Future Implications - The combination of synchronized dual autophagy activation and targeted biomimetic delivery positions AR@ENV as a promising candidate for Alzheimer's treatment. The MiLi-FE platform offers a flexible and scalable method for delivering various therapeutic agents to the central nervous system, potentially expanding its applicability to a range of neurological diseases [7].
深度|细胞自噬,美妆抗老赛道的“隐藏王牌”
FBeauty未来迹· 2025-10-31 14:09
Core Viewpoint - Autophagy is a crucial mechanism for cellular self-cleaning and repair, playing a significant role in maintaining cellular homeostasis and vitality, and is increasingly recognized as a key pathway in anti-aging research within the beauty industry [3][5][30]. Group 1: Importance of Autophagy - Autophagy has been validated in the scientific community, with significant recognition such as the Nobel Prize awarded in 2016 for its role in aging [4]. - The loss of autophagic function is now considered a core marker of cellular aging, highlighting its importance in anti-aging science [4]. - Major beauty brands like L'Oréal, Procter & Gamble, and Shiseido have initiated research into the application of autophagy in skin aging, although this research is still in a relatively early stage [4][9]. Group 2: Current Research and Applications - Many beauty companies are incorporating autophagy into their research agendas, viewing it as a new scientific pathway connecting multiple benefits such as anti-aging, whitening, and repair [7][9]. - Shiseido utilizes ingredients like tranexamic acid and camellia seed extract to activate autophagy pathways, enhancing skin cell regeneration [9]. - Procter & Gamble's SK-II and OLAY brands are exploring the potential of ingredients like Pitera™ to promote autophagy and clear damaged proteins [9]. Group 3: Market Position and Challenges - Despite the growing research on autophagy, it remains a "behind-the-scenes" concept in market communication, often not highlighted as a core selling point [10][11]. - Brands tend to integrate autophagy into broader efficacy claims, making it less visible to consumers [11]. - The complexity of the autophagy concept poses challenges for consumer education and market positioning, requiring brands to translate scientific terms into relatable benefits [35][36]. Group 4: Future Prospects - The understanding of aging biology is evolving, shifting from external repair to internal optimization, with autophagy emerging as a central mechanism [34]. - There is a need for brands to effectively communicate the benefits of autophagy to consumers, establishing it as a recognized and valuable anti-aging mechanism [35]. - As research progresses and consumer education deepens, more products centered around autophagy are expected to emerge in the market [38].
美妆行业周度市场观察-20251016
Ai Rui Zi Xun· 2025-10-16 07:04
Investment Rating - The report does not explicitly provide an investment rating for the beauty industry Core Insights - The Chinese beauty industry is experiencing significant growth, particularly in the export market, with a projected export value of 51.2 billion yuan in 2024, representing a year-on-year increase of 11.9% [4] - The skincare segment continues to lead globally, with the beauty market expected to reach 677 billion dollars by 2025, and China holding a 35% market share [6] - Domestic brands are increasingly adopting innovative marketing strategies, including celebrity endorsements, which have become a standard practice, with first-day GMV exceeding 10 million yuan for new products [4][6] Industry Trends - The trend of Chinese beauty brands going global is accelerating, with a focus on cultural integration and localized product design [4] - The influx of overseas medical beauty brands into the Chinese market is intensifying competition, prompting domestic brands to enhance their offerings in the post-surgical skincare segment [6] - The rise of "clean beauty" and the increasing importance of e-commerce channels are shaping the future landscape of the beauty industry [6][10] Head Brand Dynamics - Natural堂 is preparing for an IPO on the Hong Kong Stock Exchange, having received over 700 million yuan in investments from major players like L'Oréal [13] - LVMH's beauty incubator Kendo has sold its vegan makeup brand KVD Beauty to a private equity firm, marking a significant shift in its brand strategy [14] - The collaboration between 乐普医疗 and Meituan to develop medical beauty products signifies a growing trend of traditional medical device companies entering the beauty sector [20]
两个年龄段会“断崖式”衰老?这有一个延缓衰老的省钱好方法
Yang Shi Xin Wen· 2025-08-17 01:37
Key Points - The article discusses two critical age milestones in the aging process: around 30 years old and between 45 to 55 years old, where significant biological changes occur in the body [2][3] - At around 30 years old, the adrenal tissue shows early signs of aging, and endocrine homeostasis may be disrupted, which could be an early driving factor for aging [2] - The age range of 45 to 55 years marks a milestone where most organ protein groups experience a "molecular cascade storm," indicating a significant biological transition towards systemic aging [3] - The article emphasizes the importance of maintaining a slight feeling of hunger by eating until 70-80% full, which can help delay aging and extend lifespan [5][8] - Research indicates that limiting food intake can rewrite aging genes and potentially extend lifespan by 35% by promoting autophagy and clearing aging cells [7] - It is advised to gradually reduce food intake to adapt to a new eating habit without feeling deprived [13]
20年没吃过早餐了,我觉得这样很好
3 6 Ke· 2025-05-28 00:02
Group 1 - The article challenges the traditional belief that breakfast is the most important meal of the day, suggesting that for some individuals, skipping breakfast can lead to various health benefits [2][14][15] - The author has not eaten breakfast for nearly 20 years, attributing improvements in energy levels, body composition, and overall health to this practice [2][14] - Intermittent fasting, which includes skipping breakfast, is presented as a lifestyle choice that can help address metabolic issues and improve health [3][15] Group 2 - The main reasons for skipping breakfast include reducing excess glucose in the blood to promote metabolic health and initiating autophagy to clear aging cells [4][15] - The author experienced chronic inflammation and weight gain from frequent snacking, which was alleviated by not eating breakfast [4][15] - Skipping breakfast has led to a more stable energy level throughout the day, avoiding the post-meal lethargy associated with eating breakfast [6][14] Group 3 - The article emphasizes the importance of replacing the breakfast habit with other beneficial activities, such as cold showers, exercise, and meditation, to maintain energy and mental clarity [7][8][12][13] - Cold showers are noted for their ability to enhance mood and energy levels, while exercise activates brain chemistry that supports well-being [10][12] - Meditation is highlighted as a practice that helps clear the mind and balance hormones, contributing to a sense of calm and reducing hunger [13][15] Group 4 - The author lists seven benefits experienced from not eating breakfast, including increased insulin sensitivity, weight loss, improved muscle retention, reduced chronic inflammation, and enhanced mental clarity [15][16] - The practice of skipping breakfast has reportedly led to a more enjoyable experience during subsequent meals, enhancing overall satisfaction with food [16]
营养、运动、睡眠如何协同才能高效管理体重?听专家科普
Zhong Guo Xin Wen Wang· 2025-05-14 22:24
Core Insights - The article emphasizes the importance of a balanced approach to weight management, integrating nutrition, exercise, and quality sleep for optimal fat loss [1][2][4] Nutrition - Balanced nutrition involves controlling caloric intake while ensuring adequate nutrient consumption, with a suggested template for meals: one fist-sized portion of carbohydrates, two fist-sized portions of vegetables, and one palm-sized portion of protein [2] - Extreme dieting methods, such as very low-calorie diets, can lead to muscle loss and water weight reduction, resulting in a rebound effect once normal eating resumes, known as the "yo-yo effect" [2][3] Exercise - For sedentary individuals, incorporating short bursts of exercise (over 7 minutes) can yield significant health benefits, and the cumulative effect of fragmented exercise can be comparable to longer sessions [2] - The article highlights the need for individuals to accurately assess their caloric needs to effectively manage weight [2] Sleep - Sleep plays a crucial role in weight management, with insufficient sleep leading to increased hunger hormone levels and decreased satiety hormone levels, potentially resulting in an additional caloric intake of approximately 385 calories per day [4] - Recommendations suggest that adults aged 18 to 65 should aim for 7 to 9 hours of sleep per night, while those over 65 should target 7 to 8 hours [5] Emerging Trends - The "intermittent fasting" approach, particularly the "5+2" model, is gaining traction, allowing for normal eating five days a week and caloric restriction on two non-consecutive days, which may enhance metabolic health [3] - The article discusses the role of probiotics and dietary supplements in weight management, noting that while some can aid in appetite regulation, they are most effective when combined with proper diet and exercise [3]