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Cell Stem Cell:上海科技大学向阳飞团队建立交感神经节类器官,在体外模拟交感-心脏连接
生物世界· 2025-12-13 04:04
Core Viewpoint - The article discusses a significant advancement in the field of neuroscience, specifically the successful creation of human sympathetic ganglia organoids (hSGO) from human pluripotent stem cells (hPSC), which can be integrated with human heart organoids (hHFO) to form a human sympathetically innervated heart organoid (hSHO) [1][6]. Group 1: Research Background - The sympathetic ganglia are a crucial component of the peripheral nervous system (PNS) and play an essential role in maintaining homeostasis [4]. - Previous attempts to create organoids representing the peripheral nervous system have been limited, particularly in mimicking the self-organizing development of sympathetic ganglia [5]. Group 2: Research Methodology - The research team utilized directed 3D differentiation techniques from human pluripotent stem cells to develop a method for generating human sympathetic ganglia organoids (hSGO), which exhibit directed and self-organizing sympathetic neuronal differentiation [5]. - The hSGO produced sympathetic neurons and glial cells, demonstrating functional development over long-term culture [5]. Group 3: Key Findings - By fusing hSGO with hHFO, the researchers successfully recreated the functional sympathetic innervation of the human heart, resulting in the formation of hSHO [6]. - The hSHO model allows for the evaluation of factors regulating sympathetic innervation of the heart, such as nerve growth factor signaling, and reveals that inter-tissue interactions influence the development of both sympathetic nerves and the heart [6].
康哲药业(00867):抗急性缺血性卒中1类新药注射用Y-3中国上市许可申请已获受理
智通财经网· 2025-12-11 11:22
Core Viewpoint - The announcement by Kangzheng Pharmaceutical regarding the acceptance of the New Drug Application (NDA) for the injection Y-3, a novel drug aimed at protecting brain cells in acute ischemic stroke, highlights its potential as a groundbreaking treatment option in the market [1] Group 1: Product Development and Clinical Trials - Injection Y-3 is the first brain cell protector developed based on critical targets in the pathology of stroke, specifically PSD95-nNOS and MPO, and aims to address multiple key pathological processes in ischemic stroke [1][2] - The Phase III clinical trial for injection Y-3 involved nearly 1,000 acute ischemic stroke patients and demonstrated significant clinical benefits and good overall safety [1] - The main research results from the clinical trial are planned to be presented at international academic conferences and published in international academic journals [1] Group 2: Market Context and Demand - According to the National Health Commission, approximately 3.94 million new stroke cases occur annually in China, with ischemic stroke accounting for about 72% of these cases, indicating a significant market need for effective treatments [3] - The burden of stroke-related disabilities has been increasing over the past 30 years, compounded by an aging population, which poses greater challenges for stroke prevention and control [3] - Post-stroke depression and anxiety are common complications, affecting about 30% and 25% of patients respectively, which can hinder recovery and worsen prognosis, underscoring the potential value of injection Y-3 in improving long-term neurological function and overall outcomes for stroke patients [3] Group 3: Strategic Partnerships and Market Position - The company has signed a permanent exclusive promotion agreement for injection Y-3 in mainland China, Hong Kong, and Macau with Nanjing Ningdan New Drug Technology Co., Ltd., a company focused on clinical needs and innovation [3] - The addition of injection Y-3 will enhance the company's differentiated innovation pipeline in the central nervous system (CNS) field, complementing existing products and those under NDA review [4] - The successful commercialization of injection Y-3 is expected to provide new treatment options for patients with ischemic stroke, meeting clinical demands for effective and safe medications, and positively impacting the company's performance [4]