干细胞

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灵长类自体胚胎干细胞成功构建
Ke Ji Ri Bao· 2025-07-04 01:10
Core Insights - The research team from Kunming University of Science and Technology successfully developed healthy live monkeys and genetically matched autologous embryonic stem cells from a single primate embryo using embryo splitting technology, marking a significant advancement in regenerative medicine [1][2] - The study published in the journal Nature Communications highlights the importance of obtaining genetically matched embryonic stem cells to address issues of immune rejection and ethical concerns associated with traditional stem cell therapies [1] Summary by Categories Research Methodology - The team optimized embryo splitting techniques by simulating the natural formation of identical twins, performing splits at the 4-cell and 8-cell stages, with a more efficient 3:5 strategy at the 8-cell stage [1] - From 23 pairs of split embryos, two healthy monkeys and autologous stem cell lines were successfully generated, with one case resulting in a successful cell line establishment before mid-pregnancy miscarriage [1] Findings and Comparisons - Single-cell transcriptome analysis revealed that autologous embryonic stem cells exhibited lower cell heterogeneity, reduced transcriptional noise, and more significant expression of genes related to genomic stability compared to induced pluripotent stem cells and somatic cell nuclear transfer embryonic stem cells [2] - Under feeder layer culture conditions, induced pluripotent stem cells showed a stronger differentiation trend, while autologous embryonic stem cells were more similar to somatic cell nuclear transfer embryonic stem cells [2] Clinical Implications - The establishment of autologous embryonic stem cells from split embryos presents a new method for generating pluripotent stem cells and provides an ideal model for assessing the functional differences of various stem cell types in vivo [2] - The research has potential clinical applications in organ repair and disease treatment, laying a crucial foundation for future regenerative medicine applications [2]
新的细胞治疗范式,延缓多器官衰老效果得到验证
Xuan Gu Bao· 2025-06-23 14:36
Industry Insights - Recent research published in the journal "Cell" by Chinese scientists presents a new paradigm for human aging intervention through engineered human anti-aging mesenchymal stem cells (SRC), demonstrating effects in delaying multi-organ aging in primate models [1] - The global stem cell therapy market is projected to reach $100 billion by 2030, with China's stem cell industry expected to grow from 45 billion yuan in 2025 to 300 billion yuan by 2030, reflecting a compound annual growth rate of over 25% [1] - The rapid growth in the stem cell sector is driven by policy relaxation, urgent medical needs from an aging population, and disruptive technological breakthroughs, expanding applications from blood disease treatment to tissue repair and anti-aging [1] Company Highlights - Zhongyuan Union is recognized as a major player in China's stem cell industry, possessing the largest umbilical cord blood hematopoietic stem cell bank in Asia, with six CAR-T drugs approved in the field of immune cell therapy [2] - Guanhao Biological has established a GMP-compliant cell preparation technology system, engaging in stem cell drug research and clinical trial collaborations, with significant market influence in cartilage cell transplantation and immune cell storage technologies [2]
政策蓝海已开!筹建干细胞实验室的3个黄金策略,锁定千亿市场
Zhong Guo Chan Ye Jing Ji Xin Xi Wang· 2025-06-23 11:29
Core Insights - The development of stem cell laboratories is becoming a core driver for the upgrade of the biotechnology industry, supported by the "Healthy China 2030" plan and specific policies on stem cell research and organ repair [1][14] - Leading domestic companies are accelerating their entry into the market, leveraging policy benefits and technological innovations to seize industry leadership positions [1][14] Industry Characteristics - **Policy Adaptation**: Companies are establishing laboratories in free trade zones and national economic development zones to align with national health commission standards for stem cell preparation and cutting-edge technologies like "stem cells + 3D bioprinting" [2][14] - **Technological Iteration**: Leading firms are building core competitiveness through automation and intelligent equipment, exemplified by the introduction of automated bioreactors and low-temperature storage systems in new projects [3][14] - **Regional Ecosystem Development**: Industry clusters are forming in regions like Northwest China, the Yangtze River Delta, and the Guangdong-Hong Kong-Macau Greater Bay Area, with companies like New Dongao leading the way in integrating big data, AI, and smart manufacturing [4][14] Laboratory Construction Elements - **Space Planning**: The design of clean areas in laboratories is critical, with New Dongao's project featuring over 2000 square meters of clean space, ensuring strict separation of human, logistics, and waste flows to prevent contamination [5][14] - **Equipment Configuration**: The introduction of automated cell filling systems and ultra-low temperature storage units is essential, with a focus on using domestic equipment to reduce reliance on imports [6][14] - **System Construction**: Achieving CNAS certification is vital for establishing credibility, with a focus on comprehensive quality control throughout the sample lifecycle [7][14] Case Study: New Dongao - **Design-First Infrastructure Logic**: New Dongao's laboratory design follows a logic that prioritizes building conditions and experimental processes, ensuring seamless integration of construction and qualification assessments [8][14] - **Collaborative Model**: The company leverages its location in the Shaanxi Free Trade Zone to create an ecosystem that integrates research, application, and international cooperation, enhancing the biotechnology supply chain [9][14] - **Dual Enhancement of Qualifications and Capabilities**: Post-construction, New Dongao aims for CNAS certification to enhance its credibility and facilitate international standard participation [10][14] Future Industry Trends - **Digital and Intelligent Production**: The integration of AI and IoT technologies into laboratory processes is becoming standard, with New Dongao's smart cell manufacturing factory achieving over 30% efficiency improvement in cell preparation [13][14] - **Regional Cluster Synergy**: Leading companies are creating closed-loop systems that integrate research, production, and clinical applications, with New Dongao collaborating with regional resources to enhance the biotechnology industry [13][14] - **Intensified Compliance and Qualification Competition**: Achieving CNAS recognition and GMP compliance is becoming a core competitive metric for leading firms, with a strategic focus on participating in international standard-setting [13][14]
海南首个外资干细胞项目落户海口国家高新区
Hai Nan Ri Bao· 2025-06-22 00:57
琼港合作又一重要成果 海南首个外资干细胞项目落户海口国家高新区 此前,海口国家高新区已吸引广东普罗凯融等企业,建成细胞CDMO平台,结合此项目落地,将形 成从研发到产业化的完整链条,进一步强化海南在再生医学领域的领先地位。这也标志着海南在干细胞 技术研发和国际化合作方面迈出重要一步,未来有望吸引更多全球生物医药企业入驻。 海口国家高新区相关负责人表示,园区将充分发挥"企业秘书"服务机制,做好全生命周期服务,力 争项目早投产、早达效。与此同时,继续开展"精准招商""以商招商",招引更多国际龙头企业在海口国 家高新区落户。 据了解,该公司由香港专业化投资管理公司Everflourish Global Investments Limited注册成立,将在 海口国家高新区设立超过1500平方米的智能实验室与研发中心,根据国际标准建立GMP认证生产线。 计划引进国内外高端人才,不断拓展业务范围,联动园区高校、科研院所进行干细胞临床应用技术的研 发,推动干细胞领域的创新进展,加速技术成果的转化,推动技术的创新和产业化。 "海南自贸港政策和区位优势明显,背靠内地庞大市场和面向东南亚为我们提供了高效辐射内需市 场并深度融入亚 ...
首次在猪体内培育出“人类心脏”,我国学者登上Nature头条
Hu Xiu· 2025-06-17 11:10
Core Insights - The article discusses a groundbreaking study published in Nature, where researchers successfully cultivated a small human heart within a pig embryo, which was able to beat and survive for 21 days [1][4]. Group 1: Research Findings - Scientists have previously transplanted gene-edited pig organs (kidneys, hearts) into humans, and are now exploring the creation of human-animal chimeras to address global organ transplant shortages [4]. - The research team, led by researcher Lai Liangxue, reported the cultivation of a humanized heart in pig embryos, marking a significant advancement in xenotransplantation [5][6]. - The pig is considered a suitable donor species due to its organ size and anatomical similarities to humans [6]. Group 2: Methodology - The team utilized a method involving the creation of pig embryos lacking specific genes necessary for heart development, followed by the injection of human stem cells to promote the formation of the heart [5][6]. - The embryos were implanted into a sow for further development, and the resulting hearts reached a developmental stage comparable to that of a human heart at 21 days [7]. Group 3: Observations and Future Directions - The chimeric pig embryos could grow for a maximum of 21 days, after which they could not survive, potentially due to human cells disrupting pig heart function [7]. - The study did not disclose the proportion of human cells within the hearts, although previous research indicated that human cells constituted 40%-60% in pig kidneys [7]. - For future developments, it is essential that the heart is entirely composed of human cells to prevent immune rejection in human recipients [9].
晚报 | 6月11日主题前瞻
Xuan Gu Bao· 2025-06-10 14:48
2、灵巧手 | 据证券时报,北京通用人工智能研究院、北京大学的科研人员研制的智能灵巧手因首次实现类人水平的自适应抓取,于当地时间9日登上了国际 期刊《自然?机器智能》。研究团队在灵巧手掌面70%的面积上集成了高分辨率触觉感知,使机器人的智能与交互能力迈上新台阶,为机器人操作技术提供 新突破。据介绍,这只灵巧手的一大亮点是能根据触觉反馈,实时调整动作。根据接触面的不同,它能自如用小指抓取乒乓球、单手同时抓起垒球和高尔夫 球,姿势与人类拿球类似。 明日主题前瞻 1、低空经济 | 据新华社,中办、国办印发《关于深入推进深圳综合改革试点深化改革创新扩大开放的意见》。其中提到,创新支持新兴产业发展的体制机 制。依托深圳证券交易所科技成果与知识产权交易中心等,构建科技成果转移转化全链条服务体系。支持深圳深化无人驾驶航空器飞行管理制度改革创新, 完善低空飞行监管规则,探索开展跨境直升机飞行、公益服务等通用航空业务。 点评:证券时报指出,今年以来,国内各地加码低空经济布局。截至2025年5月,全国30个省份将低空经济发展纳入地方政府工作报告,北京、四川、山东 等地相继推出专项方案。目前低空已经在多地的旅游、应急、农业、监测、 ...
干细胞移植到底是不是美容保健的灵丹妙药?
3 6 Ke· 2025-06-03 11:02
Group 1: Stem Cell Therapy Developments - The establishment of the first follow-up clinic for hematopoietic stem cell transplantation in Shanghai aims to provide specialized medical services and health management for patients who have undergone the procedure [2] - A significant breakthrough in treating elderly blood diseases is marked by a successful hematopoietic stem cell transplantation case in Shanxi, involving a 69.5-year-old patient [2] - A Canadian team has achieved large-scale production of insulin-producing cells from induced pluripotent stem cells (iPSCs), which could have a major impact on cell therapies for diseases like diabetes [2] Group 2: Issues in Stem Cell Industry - The stem cell industry has been marred by fraudulent activities, including a scam involving over 100 million yuan and affecting more than 40,000 victims, which gained significant media attention [3][4] - The rise of "stem cell therapy" as a miracle cure has led to widespread misinformation and illegal practices, with many businesses falsely advertising their products as capable of treating various ailments [4][6] - A pyramid scheme disguised as a free stem cell injection program was uncovered, where participants were required to pay a deposit and recruit others to join, resulting in the gang amassing 160 million yuan in just three months [5] Group 3: Regulatory and Safety Concerns - The current regulatory environment for stem cell clinical research in China is stringent, with only about 120 institutions having received national approval, and most of these projects are conducted free of charge [10] - There is a significant disparity in regulation, where legitimate medical institutions face strict oversight while illegal entities exploit loopholes, leading to a burgeoning black market [12] - Safety risks associated with stem cell treatments are often downplayed by businesses, with potential severe health consequences from unregulated procedures [9] Group 4: Market Dynamics and Consumer Education - The anti-aging market is rapidly growing, with global market size increasing from 25 billion USD in 2016 to nearly 37 billion USD in 2021, highlighting the demand for legitimate stem cell technologies [14] - There is a pressing need for consumer education regarding stem cell technology to prevent exploitation and misinformation, emphasizing the importance of scientific literacy [14] - The industry requires a structured and transparent ecosystem to harness the potential of stem cell technology for public health benefits rather than allowing it to be a tool for fraud [14]
安然集团:打造珍稀药用植物干细胞“银行”
Zhong Guo Jing Ji Wang· 2025-05-30 12:07
这一重大技术突破,不仅实现了对百年人参皂苷的精准复刻,更达成了高效量产。为推动植物干细胞产 业的规模化与产业化,安然集团打造了全球最大规模的安然植物干细胞产业园,设立植物干细胞研究中 心、植物干细胞实验中心、植物干细胞智能化生产车间,实现植物干细胞技术从设想到规模化产业化落 地,开创了植物干细胞系列产品量产先河,达产后将实现年产值上百亿。 历经10余年深入研究,安然填补了国内植物干细胞技术多项科研空白。截至目前,安然已获国家发明专 利近40项。同时,安然作为唯一参与的企业单位,联合中国标准化研究院主导制定了行业标准《人参不 定根组培技术规程》,引领植物干细胞产业规模化、标准化发展。 据安然集团副董事长、总裁梁浩介绍,目前,安然已将植物干细胞技术应用于红豆杉、天山雪莲、灵芝 等珍稀植物的研究当中,并取得重大进展。未来,更多基于植物干细胞技术的产品将广泛应用于新药研 发、生物新原料开发、功能性食品生产及美容护肤等领域。安然将不断深耕植物干细胞技术,致力于为 全球珍稀植物打造植物干细胞银行,打造珍稀植物的 "诺亚方舟"。 20世纪50-60年代,我国开始植物组织和细胞培养研究,研发人员尝试通过生物工程的方式,从生长 ...
赛莱拉干细胞新药研发再创里程碑,打造湾区干细胞产业全球创新高地
Zheng Quan Shi Bao Wang· 2025-05-20 09:38
"2016年,我提出的《关于把广州打造成全球干细胞与精准医疗生态圈的提案》获得了广东省优秀提 案,十年坚守只为了实现一个目标——让广州成为干细胞产业全球创新高地。"大会主席、赛莱拉干细 胞研究院院长陈海佳研究员在回顾大会历程时表示。如今,广东省在干细胞临床研究机构数量(22家, 排名第一)、干细胞临床研究项目备案数量(31项,排名第一)和干细胞治疗产品获得临床试验许可数 量(13项)上均走在全国前列,成为全球干细胞临床研究与转化的"风向标"。 赛莱拉干细胞治疗膝骨关节炎新药二期临床试验启动,夯实湾区产业生态 本届大会聚焦干细胞技术临床转化突破。大会上,赛莱拉干细胞联合中山大学附属第一医院、中山大学 孙逸仙纪念医院、广州本地CRO机构,正式启动 "干细胞治疗膝骨关节炎新药二期临床试验"。该项目 聚焦老龄化社会高发疾病,整合广州本地的干细胞企业研发能力、医院临床资源及CRO专业化服务, 构建"本地企业+医疗机构+CRO" 协同模式,有望成为大湾区干细胞产业深度融合的示范样本。 "此次合作是粤港澳大湾区干细胞产业创新发展的关键里程碑,它将促进广州干细胞'产学研医'融合发 展,未来也将吸引全国乃至全球干细胞企业、人才 ...
中国首个细胞平台落地海南,富豪“生命备份”时代开启,医疗公平面临大考验?
Sou Hu Cai Jing· 2025-05-18 04:19
今年4月,海南博鳌先行区迎来里程碑事件——中国首个医院级iPSC(诱导多能干细胞)平台正式启动。该平台以"细胞工厂"为核心理念,可针对个体定制 细胞治疗方案,被业内誉为"生命备份"与"生命保险"。 正当业界沉浸在突破喜悦中时,一场尖锐的伦理拷问已悄然显现:当前沿科技被赋予私人订制属性,变成基于财力的个性化成果,科技会否沦为富豪专享 的"生命红利",生命公平是否已被贫富差距悄然改写? 01、把实验成果送向病床的"细胞工厂" 2006年,日本科学家山中伸弥首次通过四个核心转录因子,将普通皮肤细胞改写为0岁状态、具备全能分化潜力的iPS细胞。这项里程碑式研究不仅使山中伸 弥荣膺2012年诺贝尔生理学或医学奖,更颠覆了传统医学观念——从"病灶修复"转变为"细胞再生"。 基于此理论,全球科研团队展开系统性攻关行动,向糖尿病、阿尔兹海默、衰老等生命难题发起挑战,截止目前,除抗老领域有"亚洲首个口服干细胞成 果"赛罗瑞stemax等成熟制品问世,其余大多处于临床试验阶段。 以糖尿病为例,2024年5月7日便早有科研突破——上海长征医院一名病史长达25年的59岁糖尿病患者,在接受iPSC分化的胰岛细胞移植后,33个月内血糖 ...