调节性T细胞
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唠科|坚守、勇气与好奇——从2025年诺贝尔自然科学奖看科研之道
Xin Hua She· 2025-10-11 09:58
Core Insights - The 2025 Nobel Prize in Natural Sciences highlights the long-term dedication and perseverance of scientists, with many achieving recognition decades after their initial research [2][5][10] Group 1: Award Recipients - The oldest laureate this year is Richard Robson, born in 1937, while the youngest is Omar M. Yagi, born in 1965, indicating a wide age range among the winners [2] - Robson's research on metal-organic frameworks began in 1974, leading to significant applications such as water collection from desert air and carbon dioxide capture [4][5] - Yoshinori Sakaguchi's work on regulatory T cells took over a decade to gain recognition, with initial ideas emerging in the early 1980s [4][9] Group 2: Research Timeline - The time gap between the publication of significant scientific findings and their recognition with a Nobel Prize has been increasing, with an average delay of 30 years for the Chemistry Prize from 2011 to 2019 [5] - The average delay for the Physiology or Medicine Prize is also substantial, at 26 years, reflecting the lengthy process of validation for groundbreaking research [5] Group 3: Challenges and Perseverance - Many award-winning scientists faced skepticism and challenges during their research, often being labeled as "non-mainstream" [6][9] - Robson and Sakaguchi both encountered doubts from the scientific community regarding their innovative ideas, yet they persisted in their research [9][10] Group 4: Motivation and Curiosity - Curiosity and a desire to explore fundamental principles are key motivators for scientists, driving them to pursue research even in less popular fields [10] - The history of the Nobel Prize shows that many laureates have made significant contributions to humanity through sustained curiosity and dedication [10]
我们的免疫系统,是如何防止攻击自身的?
3 6 Ke· 2025-10-11 00:46
Core Insights - The article discusses the role of regulatory T cells in the immune system, highlighting their importance in preventing autoimmune diseases and maintaining immune tolerance [1][5][14] Group 1: Immune System Functionality - The immune system distinguishes between self and non-self cells, with regulatory T cells acting as mediators to suppress overactive immune responses [1][5] - T cells possess unique receptors that allow for the identification of a vast array of pathogens, theoretically generating over 10^15 different T cell receptors [5][7] Group 2: Research Breakthroughs - The Nobel Prize winners identified regulatory T cells as crucial for peripheral immune tolerance, addressing gaps in previous research on immune regulation [7][12] - The discovery of the Foxp3 gene as essential for the development and function of regulatory T cells has significant implications for understanding autoimmune diseases [12][14] Group 3: Medical Implications - Potential new medical treatments based on regulatory T cell mechanisms are currently in clinical trials, targeting cancer therapies and autoimmune disease treatments [14] - Strategies include enhancing regulatory T cell formation to prevent organ transplant rejection and using engineered T cells to modulate immune responses [14]
手撕偏见、不怕被骂「伪科学」,今年的诺奖得主堪比热血漫主人公
36氪· 2025-10-10 23:57
Core Viewpoint - The article discusses the significance of the Nobel Prize in Physiology or Medicine awarded to Japanese scientist Shimon Sakaguchi for his research on regulatory T cells, which has revolutionized immunotherapy and deepened the understanding of the immune system [4][8]. Summary by Sections Discovery and Importance of Regulatory T Cells - Regulatory T cells play a crucial role in maintaining immune balance, and their subtle changes in quantity can significantly impact health. A decrease can lead to autoimmune diseases like type 1 diabetes and lupus, while an increase can result in tumors and infections [9][10]. - The discovery of regulatory T cells by Sakaguchi and his colleagues has advanced research in autoimmune diseases and the immune system's functioning [8]. Shimon Sakaguchi's Journey - Sakaguchi faced skepticism and was labeled an "heretic" in the scientific community for proposing the existence of regulatory T cells, which contradicted the prevailing view that T cells only had an attacking function [11][27]. - His research journey was marked by persistence despite numerous challenges, including funding issues and rejection from top journals [35][36]. Breakthroughs and Collaborations - The turning point in Sakaguchi's research came when he linked the Foxp3 gene mutation to regulatory T cells, confirming their role in autoimmune diseases [42]. - Collaborations with scientists like Mary Blenko and Fred Ramsdell were pivotal in validating his findings and advancing the research [49]. Future Implications - Although the discovery of regulatory T cells has not yet directly translated into clinical applications, it provides potential therapeutic targets for autoimmune diseases and cancer treatment [47]. - Sakaguchi emphasizes the importance of time and persistence in scientific research, highlighting that breakthroughs often require sustained effort and collaboration [49].
我和诺奖得主的共同点:都不敢在简历上留空窗期
36氪· 2025-10-09 00:08
Core Viewpoint - The article discusses the recent Nobel Prize in Physiology or Medicine awarded to Mary Brunkow, Fred Ramsdell, and Shimon Sakaguchi for their discovery related to regulatory T cells, highlighting the significance of their research in immunology and its implications for health and disease treatment [5][6]. Group 1: Award Winners - The Nobel Prize in Physiology or Medicine was awarded to Mary Brunkow, Fred Ramsdell, and Shimon Sakaguchi for their work on regulatory T cells [6]. - Shimon Sakaguchi's career includes a notable period in 1980 when he worked in a blood transfusion department, which he took to avoid a gap in his resume [14][15]. - Sakaguchi has received numerous awards throughout his career, including the Momofuku Ando Prize in 2017 for his contributions to food science and immune function [22][24]. Group 2: Research Contributions - Sakaguchi's hypothesis on regulatory T cells faced skepticism from the academic community, particularly from Ethan M. Shevach, who later acknowledged the validity of Sakaguchi's findings [30][31]. - Fred Ramsdell has been recognized for his research on the FoxP3 gene, which is crucial for understanding immune responses [38]. - The article notes that over 80% of Nobel Prizes in Physiology or Medicine involve animal experiments, with mice being the most commonly used subjects [56][59]. Group 3: Cultural and Personal Insights - Sakaguchi had aspirations of becoming an artist in his youth, reflecting a diverse interest beyond science [25][26]. - The article humorously mentions the lack of online presence for both Ramsdell and Brunkow, indicating a gap in public recognition despite their significant contributions [34][50]. - The article emphasizes the importance of laboratory mice in scientific research, noting that an estimated 120 million mice are used annually in biomedical research worldwide [59].
特殊材料助力脱碳、为量子技术辟新路、发现免疫系统“密码”,诺贝尔自然科学三大奖出炉
Huan Qiu Shi Bao· 2025-10-08 23:13
Group 1: Nobel Prize in Chemistry - The 2025 Nobel Prize in Chemistry was awarded to researchers for their groundbreaking work on Metal-Organic Frameworks (MOFs), which are porous materials that can encapsulate specific substances and have significant applications in decarbonization, drug development, and chemistry [1][2] - MOFs have a high surface area, comparable to a football field per gram, allowing for efficient gas separation, recovery, and storage [2] - The material has practical applications in various fields, including preserving fruit freshness and separating harmful substances from water, with future potential in capturing carbon dioxide from industrial emissions [2] Group 2: Nobel Prize in Physics - The 2025 Nobel Prize in Physics was awarded to quantum physicists for their discovery of macroscopic quantum tunneling effects and energy quantization in electrical circuits [3][4] - Their research demonstrated that quantum phenomena can be observed in systems large enough to be held in hand, challenging previous notions about the scale of quantum effects [4] - This work opens new avenues for the development of next-generation quantum technologies, including quantum cryptography, quantum computing, and quantum sensors [4] Group 3: Nobel Prize in Physiology or Medicine - The 2025 Nobel Prize in Physiology or Medicine was awarded for research on peripheral immune tolerance mechanisms, which has implications for autoimmune diseases, allergies, and cancer therapies [5][6] - The discovery of regulatory T cells by one of the laureates has been pivotal in understanding how the immune system distinguishes between self and non-self, preventing autoimmune attacks [6] - The acceptance of regulatory T cells has led to new research avenues in preventing autoimmune diseases and improving organ transplant outcomes [6]
唠科|避免人体“内战”的免疫“安全卫士”——2025年诺贝尔生理学或医学奖成果解读
Xin Hua She· 2025-10-07 11:35
Core Insights - The 2025 Nobel Prize in Physiology or Medicine was awarded to three scientists for their groundbreaking discoveries in peripheral immune tolerance, which have significant implications for the treatment of autoimmune diseases and cancer [10][13]. Group 1: Key Discoveries - The three laureates, Mary Brunkow, Fred Ramsdell, and Shimon Sakaguchi, identified regulatory T cells that prevent the immune system from attacking the body’s own cells, thus avoiding "internal wars" within the immune system [8][13]. - Sakaguchi's research in 1995 established that regulatory T cells are a special subset of T cells that protect against autoimmune diseases [14][16]. - Brunkow and Ramsdell's 2001 study linked mutations in the FOXP3 gene to rare autoimmune diseases, highlighting its critical role in the development of regulatory T cells [17][20]. Group 2: Clinical Implications - The discoveries have opened a new research field in peripheral immune tolerance, which could advance treatments for cancer, autoimmune diseases, and organ transplantation [10][13]. - Current data indicates that autoimmune diseases, such as type 1 diabetes and rheumatoid arthritis, affect approximately 10% of the population, underscoring the clinical significance of these findings [24].
他们找到了免疫系统的“安全卫士”
Zhong Guo Qing Nian Bao· 2025-10-07 01:46
Core Insights - The 2025 Nobel Prize in Physiology or Medicine was awarded to Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi for their groundbreaking discoveries in peripheral immune tolerance, which have opened new research avenues and advanced therapies for cancer and autoimmune diseases [1][6]. Group 1: Immune System Functionality - The immune system protects humans from thousands of viruses and bacteria daily, and its ability to distinguish between pathogens and self-cells is crucial for survival [1]. - T cells possess a unique protein called T cell receptors that act as sensors to identify whether the body is under attack, with the potential to create over 10^15 different T cell receptors [1][2]. Group 2: Research Breakthroughs - In the 1980s, researchers identified a selection process called "central tolerance" that eliminates T cells that mistakenly attack the body's own tissues during their maturation in the thymus [2]. - Shimon Sakaguchi proposed the existence of "regulatory T cells" as a mechanism to calm other T cells, leading to the discovery of this new T cell type after over a decade of research [2][5]. Group 3: Genetic Discoveries - In the 1940s, researchers discovered "scurfy" mice that suffered from severe immune system issues due to T cell attacks on their organs, leading to the investigation of the underlying genetic causes [3][4]. - Mary E. Brunkow and Fred Ramsdell identified the Foxp3 gene, which is linked to the IPEX autoimmune disease and is crucial for the development of regulatory T cells [4][5]. Group 4: Therapeutic Implications - The findings regarding regulatory T cells have spurred the development of potential new therapies, including the isolation and amplification of these cells from patients to enhance their immune response [6]. - Researchers are exploring methods to modify regulatory T cells to target specific organs, thereby protecting them from immune system attacks [6].
三名科学家获2025年诺贝尔生理学或医学奖
Xin Hua She· 2025-10-06 13:42
Core Points - The 2025 Nobel Prize in Physiology or Medicine is awarded to American scientists Mary Brunkow, Fred Ramsdell, and Japanese scientist Shimon Sakaguchi for their groundbreaking discoveries in peripheral immune tolerance mechanisms [1] - The discoveries enhance the understanding of how the immune system operates and have implications for research on autoimmune diseases [1] Group 1 - The Nobel Prize recognizes the importance of regulatory T cells in preventing the immune system from attacking the body's own organs [1] - The findings have significant clinical implications, with ongoing clinical research being conducted by scientists in multiple countries [1] Group 2 - The three scientists will share a prize of 11 million Swedish Krona, approximately 1.17 million USD [2]
让坂口志文获诺贝尔奖的调节性T细胞是什么
日经中文网· 2025-10-06 11:53
Core Viewpoint - The 2025 Nobel Prize in Physiology or Medicine is awarded to Shimon Sakaguchi, Mary E. Brunkow, and Fred Ramsdell for their discovery of regulatory T cells that suppress abnormal immune responses, paving the way for new therapies for autoimmune diseases, allergies, and cancer [2][4]. Group 1 - Shimon Sakaguchi discovered regulatory T cells that can inhibit immune responses against the body’s own cells, preventing autoimmune diseases [2][4]. - The award recognizes the discovery of peripheral immune suppression, which is crucial for understanding immune system regulation [4]. - Sakaguchi's research began after he read a report on thymectomized mice showing autoimmune disease symptoms, leading him to hypothesize the existence of a T cell type that could control immune overactivity [4][5]. Group 2 - Despite skepticism from other researchers, Sakaguchi proved the existence of regulatory T cells in 1985 and identified key genes involved in their function by 1995 [5]. - He founded RegCell, a startup in California, in 2016 to promote the application of his research findings [5]. - The potential applications of manipulating regulatory T cells include treating autoimmune diseases and preventing organ transplant rejection [7]. Group 3 - The Nobel Prize ceremony will take place on December 10 in Stockholm, Sweden, with a total prize amount of 11 million Swedish Krona to be shared among the three laureates [7]. - Sakaguchi has received multiple prestigious awards throughout his career, including the Keio Medical Prize in 2008 and the Robert Koch Prize in 2020 [8].