基因编辑技术

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盐田科技如何为世界首例猪肺移植“安检”?
Nan Fang Du Shi Bao· 2025-09-01 09:46
Core Viewpoint - A groundbreaking achievement in organ transplantation has been made by Chinese scientists, marking the world's first successful transplantation of gene-edited pig lungs into a brain-dead patient, which functioned effectively for over 10 days [1] Group 1: Breakthrough in Organ Transplantation - The successful transplantation represents a significant advancement in xenotransplantation, a concept that has been pursued for over a century [4] - Pigs are considered ideal organ donors due to their organ size and function being similar to humans, but the human immune system poses a major challenge [4][5] - The use of gene editing technology has allowed for modifications in the pig's genome, effectively creating a "pass" for the pig organs to be accepted by the human body [5] Group 2: Role of BGI Genomics - BGI Genomics, based in Shenzhen, played a crucial role in ensuring the safety of the transplantation by utilizing its high-throughput sequencing technology [8] - The DNBSEQ sequencing platform conducted comprehensive genomic screening of the pig lung, identifying any potential pathogens that could pose risks to human health [8] - The sequencing process provided a detailed "health report" confirming the absence of known pathogens, which was essential for the success of the surgery [8] Group 3: Implications for Future Transplantation - The surgery was successful, with the transplanted pig lung performing normal respiratory functions without signs of acute rejection [9] - This historic step indicates the feasibility of xenogeneic lung transplantation, offering hope to countless patients awaiting suitable organ donors [9] - The advancements in gene editing and reliable domestic sequencing platforms highlight the potential for future breakthroughs in organ transplantation [9]
西藏药业:6000万美元投资锐正基因,加码创新药研发,寻业绩新增长点
Zheng Quan Shi Bao Wang· 2025-08-29 09:33
Core Viewpoint - Tibet Pharmaceutical plans to invest $60 million in Accuredit Therapeutics Limited to acquire a 40.82% stake, aiming to enhance sustainable development and overcome R&D bottlenecks [1] Group 1: Investment Details - The investment will be made through a wholly-owned subsidiary, with the major shareholder's affiliate also investing $15 million for a 10.20% stake, resulting in a combined holding of over 51% [1] - The investment aligns with the company's strategy to focus on core business while expanding its product pipeline through both in-house and collaborative R&D efforts [1] Group 2: Target Company Overview - Accuredit Therapeutics specializes in developing in vivo gene editing technologies and products based on LNP and other non-viral vectors, aiming to provide innovative treatment solutions with cost advantages [1] - The core asset of Accuredit is its domestic holding company, Ruizheng Gene (Suzhou) Co., Ltd., which has established an end-to-end gene editing technology platform [2] Group 3: Product Pipeline - Key products in development include ART001, which targets transthyretin amyloidosis (ATTR) and has received orphan drug designation from the FDA, currently undergoing I/IIa clinical trials in China [2][3] - Another promising product, ART002, focuses on PCSK9 and shows potential to significantly reduce LDL-C levels in patients with familial hypercholesterolemia, addressing limitations of existing PCSK9 inhibitors [3] Group 4: Market Potential - The PCSK9 inhibitors market is projected to reach $4.2 billion in global sales by 2024, indicating a strong commercial outlook for ART002 [3] - Besides ART001 and ART002, Ruizheng Gene's pipeline also targets metabolic diseases, particularly in the liver, suggesting a broad potential market [4] Group 5: Company Performance - Tibet Pharmaceutical reported revenue and profit growth in the first half of 2025, driven by stable contributions from its existing products and an 18.83% increase in other product revenues [4] - The company has previously engaged in acquisitions and collaborations to expand its product line, including a $30 million investment in Chentai Pharmaceutical for a 13.04% stake [4]
全球首例!为啥又是“二师兄”立功 南都新知
Nan Fang Du Shi Bao· 2025-08-28 09:27
Core Viewpoint - The article discusses the successful transplantation of genetically edited pig lungs into a brain-dead human, marking a significant advancement in xenotransplantation, which aims to address the global organ shortage crisis [1][5][18]. Group 1: Background and Importance of Xenotransplantation - Approximately 2 million people worldwide require organ transplants each year, but only about 10% receive suitable organs, highlighting the critical shortage of transplantable organs [5]. - Xenotransplantation, particularly using pig organs, is considered a promising solution to the organ shortage problem [5][9]. Group 2: Research and Development - The research team led by Professor He Jianxing from Guangzhou Medical University successfully transplanted a genetically edited Bama pig's left lung into a brain-dead patient, maintaining ventilation and gas exchange for 9 days [5][18]. - Since 2021, several cases of pig-to-human organ transplants have been reported globally, involving various organs such as hearts, kidneys, and livers [7]. Group 3: Advantages of Using Pigs - Pigs are preferred over primates for organ donation due to their abundant resources, smaller size, high survival rates, and genetic stability, along with significant anatomical and physiological similarities to humans [9][10]. - The evolutionary distance between pigs and humans reduces the risk of zoonotic diseases and ethical concerns associated with using primates [9]. Group 4: Challenges in Xenotransplantation - Despite the advantages, xenotransplantation faces challenges such as cross-species rejection and the risk of infections, which have historically hindered research progress [10][18]. - Recent advancements in gene editing technologies, such as CRISPR/Cas9, have enabled the development of genetically modified pigs that minimize immune rejection and viral infection risks [10][12]. Group 5: Clinical Trials and Future Prospects - Currently, xenotransplantation trials are primarily conducted in China and the United States, with significant milestones achieved in heart and kidney transplants [14][16]. - The recent lung transplant case represents a critical step towards clinical applications, although experts emphasize the need for cautious progression through further trials and research [18][19].
西藏药业拟6000万美元进行股权投资标的公司专注于基因编辑技术和产品开发
Xin Lang Cai Jing· 2025-08-27 21:04
Core Viewpoint - Tibet Pharmaceutical plans to establish a wholly-owned subsidiary, TopRidge Pharma Limited, in Hong Kong to enhance sustainable development and overcome research and development bottlenecks [1] Group 1: Company Overview - Accuredit Therapeutics Limited focuses on developing in vivo gene editing technologies and products based on LNP and other non-viral vectors, aiming to provide innovative treatment solutions that require only a single administration for patients globally, with cost advantages [1] - Ruizheng Gene (Suzhou), established in 2021, specializes in the development, industrialization, and commercialization of in vivo gene editing drugs based on non-viral vectors, supported by a core team with successful experience across the entire biopharmaceutical cycle [1] Group 2: Product Pipeline - Key products under development by Ruizheng Gene include ART001, targeting transthyretin amyloidosis (ATTR), and ART002, aimed at familial hypercholesterolemia, with additional products focusing on metabolic diseases, particularly in the liver disease sector [1]
世界首例基因编辑猪肺成功移植人体 对话主要参与者:距离临床应用还有多远?
Mei Ri Jing Ji Xin Wen· 2025-08-27 12:32
Core Insights - The successful transplantation of genetically edited pig lungs into a human patient marks a significant milestone in the field of xenotransplantation, addressing the critical shortage of human lung donors [2][4][10] - The research indicates that the genetically modified pig lung can survive and function for 9 days in a human body, demonstrating the potential for clinical applications in the future [5][8] Group 1: Research Breakthrough - The study published in "Nature Medicine" details the process of transplanting a genetically edited pig lung into a 39-year-old male patient who was brain dead, with a total cold ischemia time of 206 minutes [4][5] - This is the first successful case of pig lung transplantation into a human, which is considered a major advancement in the scientific community [4][7] Group 2: Challenges and Future Directions - Despite the success, significant challenges remain, including immune rejection and the need for optimized immunosuppressive protocols [5][6][15] - The research team aims to enhance gene editing strategies and anti-rejection treatments to prolong the survival and functionality of transplanted organs [8][19] Group 3: Industry Context - The demand for transplantable organs far exceeds supply, with a projected donor-to-recipient ratio of 1:8 in China by 2024, highlighting the urgency for alternative sources like xenotransplantation [10][15] - The use of genetically modified pigs is seen as a promising solution to the organ shortage, as their organs are similar in size to human organs and can be produced without the same limitations as human donors [10][17] Group 4: Technological Advancements - The genetic editing technology used to create the donor pigs is at the forefront of scientific innovation, allowing for the removal of genes that trigger strong immune responses in humans [6][17] - Companies like Zhongke Aoge and Dashuo Group are leading efforts in developing these genetically modified pigs, contributing to China's position in the global xenotransplantation landscape [18][19]
助力中国基因和细胞治疗“弯道超车”,让“天价药”走进寻常百姓家!邦耀生物荣获“2024上海市科技进步一等奖”
生物世界· 2025-08-26 04:03
Core Viewpoint - The article highlights the significant achievements of Shanghai Bangyao Biotechnology Co., Ltd. in the field of gene editing and cell therapy, particularly their recognition through the Shanghai Science and Technology Progress Award for their innovative projects in these areas [2][5]. Group 1: Award Recognition - The project "Development and Translational Application of Key Technologies in Gene Editing and Cell Therapy" won the first prize at the Shanghai Science and Technology Progress Award, marking a significant milestone for Bangyao Biotechnology [2][5]. - The award signifies the project's achievement at an internationally advanced or domestically leading level, emphasizing its substantial social and economic benefits [5][6]. Group 2: Technological Innovations - Bangyao Biotechnology is recognized as one of the earliest teams in China to apply CRISPR-Cas9 gene editing technology, having published the first successful application in mammals in 2013 [8]. - The company has developed a gene therapy for β-thalassemia, achieving a "one-time treatment, lifelong cure" for 15 patients, which has been acknowledged as a benchmark in the international field of thalassemia treatment [10]. - The non-viral PD1-CAR-T technology, developed by the team, has shown a 100% objective response rate and an 85.7% complete response rate in clinical studies, significantly improving safety and cost-effectiveness compared to traditional CAR-T therapies [12][15]. - The allogeneic universal CAR-T cell therapy, targeting CD19, has been developed to address the challenges of personalized treatment cycles and costs, allowing for immediate use and significantly reducing production costs [16][17]. Group 3: Clinical Research and Future Directions - Bangyao Biotechnology is conducting two registration clinical studies focusing on relapsed/refractory B-cell acute lymphoblastic leukemia and B-cell non-Hodgkin lymphoma, aiming to expand the application of their therapies to solid tumors and autoimmune diseases [22]. - The company has established a robust innovation platform with over 100 patents and multiple projects in clinical trials, demonstrating its commitment to advancing gene and cell therapy [25].
5年新生!邦耀生物全球首例CRISPR治愈β0/β0型重度地贫患儿健康生活超5年
生物世界· 2025-08-21 04:03
Core Viewpoint - The article highlights the significant breakthrough in gene editing therapy for β-thalassemia, particularly through the case of a patient named "Xixi," who was successfully treated using CRISPR technology, marking a milestone in the treatment of hereditary blood disorders [1][4]. Group 1: Patient Case Study - Xixi, diagnosed with the most severe form of β0/β0 thalassemia at 9 months old, required lifelong blood transfusions and iron removal therapy, placing a heavy burden on his family [3]. - In 2020, at the age of 7, Xixi became the first patient globally to receive CRISPR gene editing therapy (BRL-101) and successfully became independent from blood transfusions just 56 days post-treatment [6]. - Five years later, Xixi has maintained his health without transfusions, with hemoglobin levels around 140g/L, showcasing the long-term efficacy and safety of the treatment [6][10]. Group 2: Scientific Breakthrough - β-thalassemia is a hereditary blood disorder caused by defects in the globin gene, traditionally treated through costly and complex allogeneic stem cell transplants, which carry high risks [10]. - The BRL-101 gene therapy utilizes CRISPR technology to modify the BCL11A locus in the patient's hematopoietic stem cells, allowing for a one-time treatment that can potentially cure the disease [10]. - The therapy's delivery method avoids safety issues associated with viral vectors, enhancing its safety profile [10]. Group 3: Company Development and Achievements - Shanghai Bangyao Biotechnology has been deeply involved in gene therapy, with BRL-101 receiving IND approval in August 2022 and achieving significant clinical milestones since its inception [14]. - The company has published influential research in top journals and has been recognized at major international conferences, receiving awards for its contributions to rare disease treatment [15]. - Future plans include exploring treatments for sickle cell disease (BRL-102) and expanding global clinical collaborations to benefit patients with various hereditary blood disorders [14][17].
先导编辑与碱基编辑双线出击 基因编辑治疗脑疾病曙光初现
Ke Ji Ri Bao· 2025-08-20 00:31
Core Viewpoint - Recent advancements in gene editing technology, particularly through pioneering editing techniques, show promise in treating severe neurological diseases, although significant technical and funding challenges remain to be addressed [1][4]. Group 1: Breakthroughs in Gene Editing - Harvard University and Jackson Laboratory successfully utilized pioneering editing technology to correct pathogenic gene mutations in a mouse model of Alternating Hemiplegia of Childhood (AHC), achieving an 85% mutation correction rate [2]. - The treatment led to significant improvements in the mice's brain function, reducing seizure frequency and doubling their lifespan, alongside enhancements in motor and cognitive abilities [2]. - A separate team, led by Professor Qiu Zilong, demonstrated the ability to reverse behavioral abnormalities in MEF2C mutation mice using base editing technology, which is crucial for addressing epilepsy and developmental disorders in children [2][3]. Group 2: Safety and Feasibility - The precision of gene editing technology allows for targeted correction of pathogenic mutations, making it an ideal treatment for neurodevelopmental disorders and autism in children [3]. - The pioneering editing technique requires only a single brain injection for treatment, with minimal off-target effects, confirming its safety and feasibility [3]. - The technology has shown the capability to simultaneously correct five mutations, indicating its broad applicability [3]. Group 3: Challenges Ahead - Despite promising results in mouse models, significant hurdles remain before gene editing can benefit human patients, including the need for advanced delivery systems to target brain cells effectively [4]. - The use of adeno-associated virus 9 (AAV9) as a delivery vehicle poses risks of severe immune reactions at high doses, necessitating the development of improved viral vectors and exploration of non-viral delivery methods [4]. - The biotechnology sector is currently facing a funding crisis, which complicates the lengthy and complex development processes for gene therapies, potentially deterring investors [5].
贵公司有无布局基因编辑技术?泓博医药:公司暂不涉及相关领域
Mei Ri Jing Ji Xin Wen· 2025-08-12 09:10
泓博医药(301230.SZ)8月12日在投资者互动平台表示,公司暂不涉及相关领域。 (文章来源:每日经济新闻) 每经AI快讯,有投资者在投资者互动平台提问:请问贵公司有无布局基因编辑技术,和哪些制药公司 有深度合作? ...
约20家A股公司涉足基因编辑领域
Zheng Quan Ri Bao· 2025-08-11 16:46
Group 1: Industry Overview - The new gene editing technology developed by the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences allows precise manipulation of large DNA segments ranging from thousands to millions of bases, significantly enhancing the scale and capability of gene editing [1] - The gene editing market is projected to reach an annual revenue of $30 billion by 2030, indicating a strong growth trajectory [2] - Gene editing technology is transitioning from theoretical research to practical applications, with significant implications in medicine for treating genetic diseases and in agriculture for developing new crop varieties [2] Group 2: Company Developments - Approximately 20 listed companies in the A-share market are involved in gene editing technology [3] - A company has established a cotton research institute in collaboration with Huazhong Agricultural University, utilizing gene editing and hybridization techniques for cotton seed development [3] - Another company is conducting research on the water buffalo genome and has developed a breeding model based on whole genome data analysis to enhance breeding efficiency [3] - A biotechnology company focuses on providing gene-modified animal models and related technical services for drug development and disease research, having developed over 21,000 models by the end of 2024 [3] - Beijing Baipu Sais Biotechnology Co., Ltd. has launched CAS series proteins for targeted gene editing applications [4]