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技术新突破 基因编辑概念股出炉(附名单)
Group 1 - The core viewpoint of the news is the initiation of large-scale clinical trials for gene-edited pig kidneys for human transplantation, marking a significant advancement in biotechnology and organ transplantation [1] - The first clinical trial was completed at NYU Langone Medical Center, approved by the FDA, aiming to evaluate the safety and efficacy of gene-edited pig kidneys for patients with end-stage kidney disease [1] - Global advancements in gene editing technology have been reported, including successful transplantation of gene-edited pig lungs in China and new treatment approaches for Down syndrome in Japan [1] Group 2 - Huazhong Securities highlights that breakthroughs in gene editing technology have significantly lowered the technical barriers for genetic modification, enabling large-scale industrial production of drugs [2] - In the A-share market, there are 22 listed companies with gene editing technology reserves, with mixed performance in stock prices; only 7 out of 22 companies saw gains on November 5 [4] - Among gene editing concept stocks, Shuanglu Pharmaceutical reported the highest net profit of 141 million yuan in the first three quarters, while Mengcao Ecological achieved a year-on-year profit increase of 48.73% [5][6] Group 3 - Eight gene editing concept stocks received attention from five or more institutions, with companies like Sturdy Medical and Huaxi Biological leading in institutional ratings [7] - Sturdy Medical announced a collaboration with Huazhong Agricultural University to establish a cotton research institute, focusing on gene editing and hybridization techniques for cotton seed improvement [7]
移植猪器官后“会不会变成猪”?不可能!对话中国器官移植“拓荒者”陈忠华:人类的器官当然是最好的,可惜远远不够
Mei Ri Jing Ji Xin Wen· 2025-09-19 14:06
Core Viewpoint - The primary motivation for xenotransplantation research is the shortage of human organs, with a focus on establishing a legal framework for organ donation and promoting voluntary, non-remunerated organ donation after death [1][11]. Group 1: Progress in Xenotransplantation - Significant milestones in xenotransplantation have been achieved in the past five years, including the first successful transplantation of genetically modified pig organs into human patients [6][7]. - The first case of a genetically modified pig kidney transplanted into a living human was reported, with the patient surviving for nearly eight months [6][8]. - The FDA has approved the first clinical trial for pig kidney transplantation, marking a regulatory advancement in the field [8][9]. Group 2: Challenges and Future Directions - Despite progress, xenotransplantation faces challenges such as long-term rejection reactions, biological compatibility issues, and the risk of viral infections from pig organs [15][16]. - The supply-demand ratio for organs in China is approximately 1:8, indicating a significant gap that xenotransplantation aims to address [11][13]. - There is a need for further research and clinical trials to ensure the safety and efficacy of xenotransplantation, particularly in the context of regulatory frameworks and patient selection criteria [8][11]. Group 3: Public Perception and Education - Public concerns regarding xenotransplantation include fears of changing human characteristics and potential disease transmission from pig organs [17]. - Efforts are being made to educate the public about the realities of xenotransplantation, emphasizing that pig organs are merely biological materials and do not alter human behavior [17]. - The promotion of knowledge about xenotransplantation is seen as essential to addressing the organ shortage crisis and advancing the field [17].
最难移植的器官:中国完成首例猪肺人体移植
Hu Xiu· 2025-09-02 06:01
Core Points - The first successful transplantation of a genetically modified pig lung into a human has been reported, marking a significant advancement in xenotransplantation [1] - The procedure involved a 39-year-old brain-dead patient, with the transplanted lung surviving for 9 days [1] - Researchers believe that this operation indicates the potential for nearly any pig organ to be transplanted into humans, aiming to save thousands of lives each year [1] Group 1: Transplant Details - The left lung was sourced from a pig that underwent six genetic modifications to reduce immune response activation risks [2] - Three genes were knocked out to lower the risk of organ rejection, while three human genes were inserted to prevent rejection [2] - The transplantation was performed at Guangzhou Medical University First Affiliated Hospital, with results published in Nature Medicine [2] Group 2: Post-Transplant Observations - No signs of rejection, infection, or transplant failure were observed in the first three days post-surgery [2] - However, lung swelling and tissue damage due to temporary hypoxia were noted within 24 hours, with antibody attacks causing damage on days three and six [2] - By day nine, lung damage showed signs of improvement before the study was concluded at the request of the patient's family [2] Group 3: Future Directions - Experts suggest that the next step is to conduct small-scale clinical trials for xenogeneic lung transplants, particularly for patients with end-stage lung disease [2] - It is noted that organ preservation techniques could be further improved, potentially reducing damage risks through genetic modifications [3]
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].
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?
3 6 Ke· 2025-08-28 02:20
Core Insights - The successful transplantation of gene-edited pig lungs into a human patient marks a significant milestone in the field of xenotransplantation, addressing the critical shortage of human lung donors [1][2][3] - The research demonstrates the feasibility of using genetically modified pig organs, specifically lungs, to potentially alleviate the organ shortage crisis faced by terminally ill patients [1][9] Group 1: Research Breakthrough - The study published in *Nature Medicine* details the process of transplanting a genetically edited left lung from a Chinese Bama pig into a 39-year-old male patient who was brain dead, with the lung surviving for 9 days [3][2] - The total cold ischemia time from organ retrieval to re-infusion was 206 minutes, and the lung maintained vitality and function without signs of hyperacute rejection during the monitoring period [3][4] Group 2: Challenges and Future Directions - Despite the successful initial results, significant challenges remain, including immune rejection, ischemia-reperfusion injury, and the need for optimized immunosuppressive protocols [5][6][7] - The research team aims to enhance gene editing strategies and anti-rejection treatments to prolong the survival and functionality of transplanted organs, with plans to apply their self-developed non-invasive techniques to reduce lung damage during mechanical ventilation [7][9] Group 3: Market and Clinical Implications - The current organ supply-demand ratio in China is approximately 1:8, highlighting the urgent need for alternative organ sources like xenotransplantation [9][14] - The potential for pig lungs to serve as a viable alternative for human lung transplants could significantly impact the organ transplant landscape, especially given the historical challenges associated with lung transplants [4][5] Group 4: Technological Advancements - The use of gene editing to modify pig organs aims to reduce immunogenicity, making them more compatible for human transplantation [5][15] - Companies like Zhongke Aoge and Dashuo Group are at the forefront of developing genetically modified pigs, with ongoing research into various organ types, including kidneys and livers, to facilitate clinical trials [18][17]
*ST生物:8月27日召开董事会会议
Mei Ri Jing Ji Xin Wen· 2025-08-27 23:58
Group 1 - The company *ST Bio announced on August 28 that its 12th second board meeting was held via communication on August 27, 2025 [1] - The meeting reviewed the proposal regarding the special report on the use and storage of raised funds for the first half of 2025 [1] Group 2 - The news highlights the world's first successful transplantation of gene-edited pig lungs into humans, raising questions about the timeline for clinical applications [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]
全球首例猪肺移植到人体案例来了,但异种移植走到临床应用路还很长
第一财经网· 2025-08-27 10:28
Core Insights - The research team from Guangzhou Medical University has successfully conducted the world's first case of gene-edited pig lung transplantation into a brain-dead human, maintaining ventilation and gas exchange for 9 days without acute rejection [1][3][4] - This breakthrough aims to address the organ shortage issue by providing a stable and controllable source of donor organs through xenotransplantation [1][4] Group 1: Research Details - The pig lung used in the transplantation was genetically edited at six sites to reduce immune risks upon transplantation into humans [4] - The study adhered to national laws and ethical guidelines, with the brain-dead patient’s family consenting to the research [4] - The research is seen as a significant step in the field of xenotransplantation, with plans to optimize gene editing strategies and anti-rejection treatments to extend the survival and functionality of transplanted organs [4][5] Group 2: Challenges and Future Directions - Despite the initial success, challenges remain, including the need to validate the lung's functionality, long-term stability, and the burden of immunosuppressive therapy [5][6][8] - The World Health Organization reports a severe imbalance in organ supply and demand in China, with approximately 300,000 patients waiting for transplants and only about 15,000 available organs annually [7] - The potential of xenotransplantation is highlighted by previous successful cases of pig organ transplants, but issues such as antibody-mediated rejection and viral risks from pig organs still need to be addressed [8][9]
世界首例,中国团队将基因编辑猪肺成功移植人体
3 6 Ke· 2025-08-27 04:42
Core Insights - The research team from Guangzhou Medical University successfully transplanted a gene-edited pig lung into a human, marking a significant milestone in xenotransplantation [1][3][4] - The transplanted lung functioned for 9 days, demonstrating the potential of gene-edited organs to address the shortage of human organ donors [1][6][9] Group 1: Research Achievements - The pig lung was genetically modified using CRISPR technology to reduce immune rejection risks by silencing three genes and adding three human protein genes [9][11] - The patient, a 39-year-old brain-dead man, showed no immediate acute rejection of the pig lung, which is a common issue in organ transplants [4][11] - The study highlights the potential for gene-edited pig organs to be more compatible with human physiology, which could alleviate the organ donor shortage [3][6] Group 2: Clinical Observations - The transplanted lung maintained its function for 216 hours, with no signs of hyperacute rejection during the monitoring period [13][15] - Despite some immune response and organ damage observed, the lung was able to perform gas exchange effectively for the duration of the experiment [4][8][11] - The research team plans to optimize gene editing strategies and anti-rejection treatments to extend the survival and functionality of transplanted organs [8][15] Group 3: Future Directions - The study is seen as a step forward in the challenging field of xenotransplantation, with further research needed to address the challenges of organ rejection and infection [14][15] - Experts emphasize the importance of ethical considerations and safety protocols in conducting such high-risk research [15] - The research team aims to apply their findings to clinical settings, potentially transforming the landscape of organ transplantation [8][14]
世界首例!中国团队将基因编辑猪肺成功移植人体
量子位· 2025-08-26 05:46
Core Viewpoint - The successful transplantation of gene-edited pig lungs into a human marks a significant milestone in xenotransplantation, potentially addressing the shortage of human organ donors [1][5][12]. Group 1: Research Achievement - A team led by Professor He Jianxing from Guangzhou Medical University successfully transplanted a gene-edited left lung from a Bama pig into a brain-dead patient, with the lung functioning for 9 days [1][12]. - The research was published on August 25 in the journal Nature Medicine, receiving high praise from international experts as a milestone in the field [2][4]. Group 2: Implications for Organ Transplantation - This achievement highlights the potential of gene-edited pig organs to be more compatible with human biology, which could alleviate the shortage of lung transplant donors [5][9]. - The global demand for organ transplants is increasing, and xenotransplantation is seen as a promising solution to the donor shortage crisis [9]. Group 3: Technical Details - The transplanted pig lung underwent six CRISPR gene edits to silence three genes that trigger immune responses and to introduce three human protein genes to reduce immune risks [14]. - Despite some immune response and organ damage observed, there was no immediate strong rejection of the gene-edited pig lung [6][17]. Group 4: Future Directions - The research team plans to optimize gene editing strategies and anti-rejection treatments to extend the survival and functionality of transplanted organs [13][26]. - Further studies are needed to address challenges related to organ rejection and infection before this procedure can be translated into clinical practice [26].