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“明星回春”传言背后的真实
3 6 Ke· 2025-11-25 04:35
关于"明星回春"的讨论,近期在自媒体上掀起一阵舆论风波,传言、猜测满天飞,甚至还有很多耸人听闻的玄乎说法。 但实际上,有些富豪和明星的状态越来越年轻,寿命变得越来越长,也是众所周知、人们都能看到的事实。在这背后,是全球生物医疗领域持续不断的技 术突破和商业化落地。 在此之前,人类对于延长寿命的探索已有漫长历史。随着生命科学技术的飞跃,人类距离这个古老的愿望实际上已经越来越近,只差大规模的产业化和官 方定调。 埃隆·马斯克曾表示"自己知道延长寿命的方法,但不会去用";彼得·蒂尔和其他一些硅谷富豪被传进行了"换血疗法";90岁高龄的著名物理学家约翰·克莱 默决定参与一项线粒体移植实验,若成功,他将成为史上"最年长的年轻人";而自称接受了干细胞疗法的演员威廉·夏特纳,已经创造了最大年龄太空航 行的纪录。 克隆、干细胞、山中伸弥发现的诱导多能干细胞(iPSC技术)、线粒体移植,再到未来可能出现的数字意识备份、人脑芯片等,为追求生命延续,人类 在生物科技前沿界进行着矢志不渝的研究,到如今已经有了一定的成效。 虽然这些成效与"永生"还有天壤之别,但强烈而直接的需求已经推动了上述疗法——也包括一些至今仍非常神秘的未公开手段 ...
Nature子刊:王冕/高绍荣/李婉露合作开发新型微孔微凝胶支架,解决干细胞递送难题
生物世界· 2025-10-29 08:30
编辑丨王多鱼 排版丨水成文 卒中 (俗称 中风 ) 是全球死亡和致残的主要原因之一,其中缺血性卒中占比高达 87% 。在缺血性卒中治疗中, 干细胞疗法 因其在卒中后促进神经恢复的潜力 以及治疗时间窗口限制少等优点备受关注。 近日,同济大学生命科学与技术学院 高绍荣 院士团队 王冕 研究员与上海交通大学 李婉露 教授团队合作,在 Nature Communications 期刊发表了题为 : Injectable Micropore-forming Microgel Scaffold for Neural Progenitor Cells Transplantation and Vascularization after Stroke 的研究论文。 该研究开发了一种 相分离微孔微凝胶 ( PSMM ) - 基质复合支架 ,可用于高效递送 神经祖细胞 ( NPC ) ,能够通过促进血管生成和细胞存活,显著改善卒 中大鼠的神经功能恢复。 研究团队首先使用双水相体系 (海藻酸钠 / 聚乙烯醇) 结合气体剪切微流控的方式,高通量制备了大小可控且具有微米级孔隙的微凝胶。实验结果显示,相较于 纳米级孔隙微凝胶,微米级孔隙 ...
NEJM:人工视网膜,帮助老年性黄斑变性患者恢复视力
生物世界· 2025-10-24 04:04
Core Insights - The article discusses a groundbreaking clinical study published in the New England Journal of Medicine regarding the PRIMA system, a subretinal photovoltaic implant designed to restore vision in patients with geographic atrophy due to age-related macular degeneration (AMD) [2][3]. Group 1: Overview of AMD and PRIMA System - AMD is the most common type of irreversible blindness in the elderly, with dry AMD accounting for 85%-90% of cases, affecting over 5 million people globally [2]. - The PRIMA system, developed by Pixium Vision and acquired by Science Corporation, is a wireless, photovoltaic device implanted under the retina to replace lost photoreceptor cells [3][8]. Group 2: Clinical Study Details - The clinical study involved 38 patients aged 60 and above with advanced dry AMD, who underwent implantation of the PRIMA device and were assessed at 6 and 12 months post-surgery [6]. - After one year, 81% of patients experienced clinically significant improvement in central vision, allowing them to read letters and words, marking a shift from merely slowing disease progression to restoring perception [3][14]. Group 3: PRIMA System Components - The PRIMA system consists of three main components: 1. A subretinal photovoltaic chip measuring 2mm x 2mm and 30 micrometers thick, containing 378 pixel units [10]. 2. Specialized glasses that capture images and project signals to the implant [10]. 3. A portable processor for signal conversion and image adjustment [10]. Group 4: Safety and Efficacy - Among the 32 patients evaluated after 12 months, 26 (81%) showed clinically significant vision improvement, equivalent to seeing two additional lines on a standard vision chart [14]. - A total of 19 participants experienced 26 serious adverse events, with 81% occurring within two months post-surgery, and 95% of these events resolved within the same timeframe [17]. Group 5: Future Directions - The article notes that the PRIMA system is not the only approach being explored for AMD treatment, with ongoing research into stem cell therapy, optogenetics, and brain-machine interfaces to restore vision [17].
干细胞疗法:厚积薄发,初露峥嵘
Changjiang Securities· 2025-08-26 14:58
Investment Rating - The report maintains a "Positive" investment rating for the stem cell therapy industry [12]. Core Insights - Stem cell therapy is accelerating from theory to clinical application, with mesenchymal stem cells (MSC) becoming the mainstream due to their application advantages. Over ten products have been approved globally, covering various fields such as cardiovascular, metabolic, and neurological diseases. The approval of the first "off-the-shelf" MSC therapy by the FDA in late 2024 and the first MSC drug in China in early 2025 marks a significant milestone in the industry [3][7][8]. Summary by Sections Industry Overview - Stem cells, known for their self-renewal and multi-directional differentiation capabilities, have evolved since their concept was introduced in the 19th century. MSCs have become the primary focus in clinical research and application due to their broad application advantages. The global stem cell therapy market is rapidly advancing, with numerous products approved for various indications [7][20]. Regulatory Milestones - The FDA's approval of the first "off-the-shelf" MSC therapy in late 2024, which demonstrated a 70.4% objective response rate by day 28 and a 68.5% overall survival rate by day 180, sets a precedent for the industry. Concurrently, the approval of "Aimi Maitosai" in China in early 2025 signifies the recognition of stem cell therapy in regulatory and clinical practices [8][45]. Company Spotlight: Jiuzhitang - Jiuzhitang has established a comprehensive stem cell research and industrialization platform, leading in clinical trials in China. Its core product, itMSC, has shown promising results in I/II phase clinical trials for ischemic stroke in the U.S., with significant improvements in patient outcomes. The company is also exploring other indications such as aPAP and AD, indicating a broad potential market [9][67]. Market Potential and Applications - The MSC therapy market is expanding into various fields, including cardiovascular, immune, and metabolic diseases. Companies are actively exploring applications in these areas, with early research showing potential benefits in diabetes and IBD, although further validation is needed [10][30][47]. Clinical Development - The report highlights the ongoing clinical trials for various MSC products targeting conditions like ischemic stroke and aPAP. Jiuzhitang's itMSC is in advanced clinical stages, with promising safety and efficacy data, suggesting a strong potential for long-term patient benefits [64][66].
干细胞疗法迎来重大突破!1型糖尿病治愈曙光初现
GLP1减重宝典· 2025-08-21 03:04
Core Viewpoint - Vertex Pharmaceuticals has announced that its revolutionary stem cell therapy VX-880 for type 1 diabetes has officially entered Phase III clinical trials, bringing hope for a cure to millions of patients worldwide [4][5]. Group 1: Treatment Breakthrough - The first patient, Brian Shelton, who suffered from severe type 1 diabetes for 40 years, experienced a dramatic turnaround after receiving the VX-880 therapy, with insulin usage dropping from 34 units to 3 units and HbA1c levels decreasing from 8.6% to 7.2% within 90 days [8]. - By 180 days post-treatment, Shelton's HbA1c further improved to 6.9%, and by 270 days, it reached a healthy level of 5.2%, with a time in range (TIR) of 99.9%, allowing him to completely stop insulin [10]. Group 2: Clinical Trial Challenges - In early 2024, the trial faced a setback when two participants died, leading to an emergency halt by the FDA. Investigations later revealed that one death was due to cryptococcal meningitis, confirming that the risk stemmed from immunosuppressants rather than the stem cell therapy itself [12]. - Although the trial resumed, concerns about the safety of the therapy were raised within the industry [12]. Group 3: Immunosuppression Issues - The core challenge of VX-880 therapy lies in the need for lifelong immunosuppressants to prevent transplant rejection, which increases the risk of infections and cancer, leading experts to label it as an "experimental cure" rather than an ideal solution [13]. Group 4: Future Directions - Vertex is pursuing two technological breakthroughs to address the immunosuppression issue: 1. VX-264, which involves encapsulating VX-880 cells in a "protective shield" to eliminate the need for immunosuppressants, with preliminary data expected in 2025 [15]. 2. Gene-edited cells in collaboration with CRISPR Therapeutics, aiming to make the cells "invisible" to the immune system, thus eliminating dependency on medication [16]. Group 5: Overall Outlook - The challenges faced by VX-880 highlight the complexities of medical advancements, but its efficacy points towards a potential path for curing diabetes. With breakthroughs in immunological barriers, a true "worry-free cure" may be on the horizon [17].
昌平生物医药产业收入增速超9%,前沿技术正加速迈向病患床旁
Xin Jing Bao· 2025-08-20 10:57
Group 1: Industry Overview - The Changping Life Science Park has achieved an average annual revenue growth of 9.2% over the past five years, with 2,180 enterprises clustered in the area and over 180 research pipelines currently under development [1] - The park serves as a key platform for original breakthroughs in life science technology and accelerates the transformation of research results into practical applications [1] - The park has established a comprehensive service system and shared platform that continuously injects momentum into innovation in the life and health industry [1] Group 2: Company Developments - Shenji Changhua Biotech Co., established in November 2021, is the first company to graduate from the Beijing Darts International Innovation Platform, focusing on gene therapy for neurodegenerative diseases [2][3] - The company has completed its first medication for ALS patients, showing significant disease stabilization and no adverse reactions after 24 months [3] - Huixin Yigu, another company founded in 2021, is developing stem cell therapies for Parkinson's disease, with a focus on a new drug pipeline that utilizes induced neural stem cells [4][5] Group 3: Market Dynamics - The Changping district's pharmaceutical and health enterprises achieved revenues of 33.79 billion yuan in the first four months of the year, reflecting a year-on-year growth of 15.1% [6] - The district is focusing on key areas such as cell and gene therapy, with over 180 research pipelines and five innovative drug projects approved for clinical research [6] - The ecosystem in Changping is characterized by favorable policies, professional support, and convenient access to shared resources, which are crucial for the growth of early-stage biotech companies [7]
吉贝尔继续加码干细胞布局 卡位行业商业化临界点
Core Insights - The company Jibeier (688566.SH) is actively investing in the cell therapy sector, recently participating in a financing round for Shanghai Aisaar Biotechnology Co., Ltd. to capitalize on the upcoming commercialization opportunities in the industry [1] - Aisaar Biotechnology's core product, human umbilical cord mesenchymal stem cell (IxCell hUC-MSC-O) injection, is in Phase III clinical trials for treating knee osteoarthritis, showcasing promising efficacy from previous Phase II trials involving nearly 200 cases [1] - The stem cell therapy market is expected to undergo significant growth, with projections indicating that the global cell therapy market could reach $113.53 billion by 2032, growing at a compound annual growth rate (CAGR) of 23.17% [3] Company Developments - Jibeier has previously invested 81.2 million yuan in Zhejiang Shengchuang Precision Medical Technology Co., Ltd., acquiring a 10.91% stake and actively participating in governance [1] - Shengchuang Technology's self-developed "Menstrual Blood Mesenchymal Stem Cell Injection" (SC01009) has received clinical trial approval for treating decompensated liver cirrhosis post-hepatitis B, marking its fourth new drug registration clinical trial (IND) approval [2] - The unique advantages of the menstrual blood-derived stem cell product include non-invasive collection, rapid proliferation, and low immunogenicity, making it suitable for industrialization and large-scale cultivation [2] Industry Trends - The existing treatments for idiopathic pulmonary fibrosis (IPF) have limited efficacy, with current drugs only able to slow disease progression, while lung transplants face donor shortages [3] - The global IPF drug market is projected to grow at an annual rate exceeding 15%, potentially surpassing $10 billion by 2030, indicating a lucrative opportunity for cell therapies [3] - The domestic stem cell therapy sector is at a critical turning point, with six therapies entering Phase III trials, reflecting a significant increase in clinical advancements after over a decade of technological accumulation [3]
默沙东、GSK抢着买慢病新药,哪些公司还有BD机会?|焦点分析
3 6 Ke· 2025-07-30 09:05
Core Viewpoint - The recent $5 billion upfront payment by GSK for the overseas rights of HRS-9821 and 11 innovative projects from Heng Rui Pharmaceutical highlights the growing interest and potential in the COPD treatment market, which has seen little innovation for over a decade [1][2]. Group 1: Market Dynamics - The global COPD market is projected to exceed $20 billion by 2024, with HRS-9821 being a significant new entrant after a long period without new mechanisms [1][5]. - The approval of Ensifentrine, a PDE3/4 inhibitor, has revitalized interest in COPD treatments, demonstrating a 36%-43% reduction in acute exacerbation rates [5][6]. - The transaction indicates a shift in focus for Chinese pharmaceutical companies towards common and chronic diseases, revealing untapped value in the respiratory drug market [2][3]. Group 2: Competitive Landscape - Major players in the COPD treatment market include AstraZeneca, GSK, and Boehringer Ingelheim, which have historically dominated with LABA, LAMA, and ICS therapies [3][5]. - The success of PDE3/4 inhibitors is expected to prompt other pharmaceutical companies to explore similar pathways, with companies like Zhengda Tianqing and Haisco making significant progress in their own PDE3/4 inhibitor developments [9][10]. - The market is witnessing a potential consolidation of opportunities, with Chinese companies likely to dominate the remaining PDE3/4 development space [7][9]. Group 3: Future Opportunities - The complexity of COPD's pathophysiology suggests that while PDE3/4 inhibitors are promising, they will not be the only future players, as biologics targeting different mechanisms are also emerging [10][11]. - New therapeutic approaches, including cell therapies and biologics targeting TSLP, are being explored, indicating a diversification in treatment options for COPD [12][14]. - The anticipated market for COPD treatments may evolve into a tiered selection model, where traditional therapies provide foundational care while innovative products address more challenging cases [14].
非人灵长类动物体内提取出成体干细胞
Ke Ji Ri Bao· 2025-07-14 01:03
Core Insights - The collaboration between UCLA's Broad Stem Cell Research Center and Aarhus University has successfully isolated adult stem cells from the gray mouse lemur, paving the way for stem cell therapies that are more aligned with human clinical needs [1][2] Group 1: Research Findings - The research team isolated muscle stem cells and mesenchymal stem cells from the gray mouse lemur, revealing that their behavior patterns are more similar to human stem cells than to those of mice [1] - The muscle tissue of the gray mouse lemur shows a high degree of microstructural similarity to human muscle, with faster division rates of muscle stem cells compared to those in mice [2] - The presence of fat cells in the gray mouse lemur's muscle tissue, which are absent in mice, is attributed to the unique adipogenic capabilities of mesenchymal stem cells, regulated by complement factor D protein [2] Group 2: Clinical Implications - The findings suggest that the gray mouse lemur is a more ideal model for human muscle research, providing new therapeutic targets for conditions such as muscle atrophy and age-related muscle loss [2] - The research team is exploring optimal delivery methods, dosage control, and timing for stem cell therapies to transition from laboratory settings to clinical applications [2]
非人灵长类动物体内提取出成体干细胞 有助研究肌肉萎缩症等疾病新疗法
news flash· 2025-07-13 22:15
Core Viewpoint - The collaboration between researchers from the University of California, Los Angeles, and Aarhus University has successfully isolated adult stem cells from a small primate species, the gray mouse lemur, paving the way for developing stem cell therapies that are more aligned with human clinical needs [1] Group 1 - The achievement marks the first time adult stem cells have been extracted from the gray mouse lemur, which is significant for advancing research in diseases such as muscular dystrophy [1] - The findings were published in the latest issue of Nature Communications, indicating the scientific community's recognition of the importance of this research [1]