Core Viewpoint - The study identifies BRD9 as a key regulator of glioblastoma's resistance to oncolytic virus therapy, suggesting that inhibiting BRD9 can enhance the efficacy of such treatments [4][10]. Group 1: Research Findings - The research utilized a genome-wide CRISPR screening approach to discover that BRD9 is a critical factor in tumor resistance to oncolytic virus therapy [4][8]. - Inhibition of BRD9 significantly enhances the replication and anti-tumor effects of oncolytic herpes simplex virus type 1 (oHSV1), indicating a potential therapeutic value when combined with BRD9 inhibitors [6][10]. - BRD9 interacts with RELA to regulate the expression of antiviral genes, which is crucial for the effectiveness of oHSV1 therapy [7][8]. Group 2: Clinical Implications - The study suggests that BRD9 levels could serve as a potential biomarker for predicting clinical outcomes in oHSV1 therapy for glioblastoma patients [8][10]. - The findings highlight the importance of developing strategies to target BRD9 in order to overcome the resistance seen in glioblastoma treatments [10].

撰文丨王聪 编辑丨王多鱼 排版丨水成文 在科幻电影中，我们常看到 昆虫 被改造成活体机器人的场景。如今，新加坡 南洋理工大学 的研究团队把科幻变成了现实——他们开发出 全球首个 昆虫-计算机 混合机器人 全自动生产线，只需 68 秒就能将一只普通蟑螂改造成可远程控制的"活体机械蟑螂"！ 为什么选择蟑螂？ 该研究以： Cyborg insect factory: automatic assembly for insect-computer hybrid robot via vision-guided robotic arm manipulation of custom bipolar electrodes 为题，于 2025 年 7 月 28 日发表在了 Nature 子刊 Nature Communications 上。 论文第一作者 Qifeng Lin ，本科毕业于哈尔滨工业大学深圳校区，现为新加坡南洋理工学博士研究生。 该论文揭示了一个反常识的真相：在某些特殊任务中，活体昆虫比人造机器更具优势： 革命性控制技术 传统方法需在蟑螂脆弱的触角 （直径仅0.6mm） 植入电极，成功率低且损伤大。而这项研究首次 ...

前不久，北京大学 数学学院教师 韦东奕 的牙齿问题受到广泛关注，随后北大回应，韦东奕有比较严重的牙周问题，将帮助其积极治疗。 我们的口腔内寄居着许多种细菌。 牙周炎 是最常见的口腔疾病之一，是由口腔内有限的几种致病菌引发的慢性炎症。全球有超过 7 亿人受其影响，它会导致骨质 和软组织的破坏，还会引发全身性炎症反应。流行病学研究还表明， 严重的牙周炎会增加癌症发生和发展的风险 。 撰文丨王聪 编辑丨王多鱼 排版丨水成文 2025 年 7 月 31 日，首都医科大学/南方科技大学 王松灵 院士、北京大学第三医院 王霄 主任医师等在 Signal Transduction and Targeted Therapy 期刊发表 了题为： Impact of allogeneic dental pulp stem cell injection on tissue regeneration in periodontitis: a multicenter randomized clinical trial 的研究论文。 这是首次评估同种异体 牙髓干细胞 注射对 牙周炎 组织再生影响的随机、安慰剂对照临床试验，结果显示，牙髓干 ...

撰文丨王聪 编辑丨王多鱼 排版丨水成文 你是否想过，蛋白质也能像乐高积木一样，按需拼装成任意形状？从药物递送到生物计算机，精准的蛋白 质纳米材料一直是科学家的梦想，但这却因蛋白质结构的复杂性而屡屡受挫。 最近的一项研究，成功 开发出" 键中心模块化设计 "策略， 让蛋白质组装变得像拼乐高一样简单高效！ 该研究来自华盛顿大学蛋白质设计研究所 David Baker 教授和 王顺治 博士领导的研究团队，于 2025 年 7 月 31 日发表在了 Nature Materials 期刊， 论文题为： Bond-centric modular design of protein assemblies 。 该研究利用人工智能 （AI） 工具，实现了 20 多种蛋白质笼、二维阵列和三维晶体的精准构建，成功率高 达 10%-50%。 为什么蛋白质组装如此重要？ 蛋白质 是生命的基石，但天然蛋白质的组装往往不可预测。传统的蛋白质设计方法依赖"融合策略"——将 不同蛋白质强行拼接，但成功率低且灵活性差。 如果蛋白质能像原子一样通过" 化学键 "定向连接，就能构建出可编程的纳米结构：例如用于药物输送的笼 状载体、用于生物传感器的 ...

撰文丨王聪 编辑丨王多鱼 排版丨水成文 冬眠 的动物具有极强的适应能力，它们可以数月不吃不喝，肌肉不会萎缩，体温降至接近冰点，新陈代谢 和大脑活动也变得极其缓慢。当它们从冬眠中苏醒时，能够从类似于 2 型糖尿病、阿尔茨海默病和中风等 危险的健康变化中恢复过来。 2025 年 7 月 31 日，国际顶尖学术期刊 Science 同期发表了两篇论文，这两项研究表明， 冬眠动物的超 能力可能隐藏在我们人类的 DNA 中，并为如何解锁这些超能力提供了线索，这为有朝一日开发出能够逆转 神经退行性疾病和糖尿病的治疗方法打开了大门。 这两项研究均来自犹他大学 Christopher Gregg 团队， 论文题目分别是： Genomic convergence in hibernating mammals elucidates the genetics of metabolic regulation in the hypothalamus ； Conserved noncoding cis elements associated with hibernation modulate metabolic and behavior ...

撰文丨王聪 编辑丨王多鱼 排版丨水成文 本周 （7 月 28 日- 8 月 3 日） ，国际顶尖学术期刊 Cell 共上线了 7 篇研究论文，其中 篇来自华人学者，这些研究分别是 细菌抗病毒防御系统新机制 、 癌 症免疫大数据平台 、 DNA 突变新机制 、 土豆的妈妈是番茄 、 表观基因稳态与阿尔茨海默病 。 细菌 Kiwa 系统的抗病毒防御机制 7 月 28 日，纪念斯隆凯特琳癌症中心 张志莹 博士、 南安普顿大学 吴仪 博士等作为共同第一作者， 在 Cell 期刊发表了题为： Kiwa is a membrane- embedded defence supercomplex activated at phage attachment sites 的研究论文。 该研究解析了细菌的一种跨膜防御机制—— Kiwa 系统 ，揭示了细菌如何在 噬菌体 附着瞬间，启动分子级别的防御围栏 来抑制噬菌体的复制 。 该研究表明， Kiwa 系统 是一种不诱导宿主细胞死亡的膜激活防御机制，通过协调膜相关噬菌体感染检测与下游效应物的 DNA 结合，从而形成一种空间上协调 一致的抗病毒机制。此外，这项研究还支持了这样一种观点— ...

Core Viewpoint - The study highlights the importance of understanding the epigenomic mechanisms underlying Alzheimer's disease (AD) progression and cognitive resilience, suggesting potential new intervention strategies to delay cognitive decline [3][10]. Group 1: Research Overview - The research published in the journal Cell explores the epigenomic rewiring in Alzheimer's disease progression and cognitive resilience, utilizing single-cell multi-region epigenomic and transcriptomic techniques [4][10]. - A total of 111 individuals were selected for the study, including 57 non-AD, 33 early-stage AD, and 21 late-stage AD patients, covering six brain regions [7]. Group 2: Key Findings - The study identified over 1 million cis-regulatory elements and defined 123 functional modules, revealing cell-type specific associations with genetic risk factors for Alzheimer's disease and other brain disorders [7][8]. - It was found that there is a widespread phenomenon of "epigenomic information loss" in the brains of Alzheimer's patients, correlating with the functional decline of neurons and glial cells [8]. Group 3: Cognitive Resilience Insights - The research elucidated the epigenomic basis of cognitive resilience, showing that individuals with stronger cognitive resilience maintain higher levels of epigenomic information in key cell types [9]. - The study suggests that the stability of the epigenome is a critical molecular mechanism supporting cognitive resilience, providing new avenues for enhancing cognitive function and delaying Alzheimer's disease progression [9][10].

Core Viewpoint - The article discusses the significance of ovarian aging, its implications on female fertility, and highlights a recent study that identifies NCOA7 as a potential target for mitigating ovarian aging and improving reproductive health [2][3][10]. Group 1: Ovarian Aging and Its Implications - Ovarian aging is one of the earliest forms of aging in the human body, leading to a decline in oocyte quantity and quality, which increases the risks of infertility, miscarriage, pregnancy complications, and birth defects [2]. - Factors such as genetic predisposition, autoimmune conditions, medical interventions, and environmental stimuli can accelerate ovarian aging, resulting in premature ovarian insufficiency (POI) [2]. - The global trend of delayed childbirth and extended post-menopausal lifespan underscores the urgent need for interventions to alleviate ovarian aging and enhance quality of life [3]. Group 2: Recent Research Findings - A study published in Nature Aging reveals that NCOA7 plays a crucial role in regulating ovarian aging by mediating the autophagic clearance of stress granules (SG), which are formed under oxidative stress [3][6]. - The research indicates that harmful mutations and reduced expression of NCOA7 are associated with ovarian aging in both physiological and pathological contexts, leading to accelerated cellular aging and decreased fertility in mice [6][8]. - The study suggests that enhancing the autophagic degradation of stress granules through NCOA7 mRNA delivery or rapamycin can mitigate ovarian aging and improve reproductive capacity [8][10].

Core Viewpoint - The widespread presence of microplastics, particularly Polytetrafluoroethylene (PTFE), poses significant risks to male reproductive health, as evidenced by a decline in sperm quality linked to PTFE exposure [2][3][5][7]. Group 1: Microplastics and Human Health - Microplastics, defined as plastic particles smaller than 5mm, are pervasive environmental pollutants that humans inevitably ingest through food, air, and skin contact, with an estimated weekly intake of 0.1-5 grams [2]. - Studies have detected microplastics in various human tissues, including feces, lungs, blood, placenta, and breast milk, indicating widespread contamination [2]. Group 2: Research Findings on PTFE - A study published in eBioMedicine found that microplastics, particularly PTFE, are commonly present in male semen and urine samples across different regions in China, correlating with significant declines in sperm quality [2][3]. - The detection rate of PTFE microplastics in the male urogenital system is as high as 46.62%, with accumulation effects observed as age increases, further linking it to decreased sperm quality [5]. Group 3: Mechanisms of Impact - PTFE exposure has been shown to delay the development of spermatogonia and spermatocytes, disrupt chromosome pairing, and promote apoptosis in spermatocytes, leading to impaired sperm function [5][7]. - The specific targeting of the SKAP2 protein by PTFE exposure results in damaged sperm cytoskeleton, abnormal sperm morphology, and reduced sperm motility [5][7]. Group 4: Therapeutic Approaches - The research team developed a targeted therapeutic approach using milk extracellular vesicles rich in SKAP2 (mEV-SKAP2), which can restore sperm cytoskeleton and morphology, thereby improving sperm motility and male fertility [3][5][7]. - This study highlights the potential of SKAP2-based extracellular vesicle therapy as a promising strategy for addressing sperm quality decline due to PTFE exposure, with significant implications for clinical treatment of male infertility [7].

Core Viewpoint - CRISPR gene editing, recognized as a groundbreaking advancement in life sciences, has achieved significant milestones, including FDA approval for its first therapy targeting genetic diseases, marking the beginning of a new era in genetic disease treatment [2][4]. Group 1: CRISPR Technology Overview - CRISPR, discovered in 1987, is a complex adaptive immune system in bacteria that captures viral DNA fragments, forming a genetic memory to guide CRISPR-associated (Cas) proteins in cutting DNA [7]. - The CRISPR-Cas9 system, developed by Emmanuelle Charpentier and Jennifer Doudna in 2012, allows for programmable gene editing, leading to therapeutic applications such as the Casgevy therapy for sickle cell disease and β-thalassemia [8][10]. Group 2: Current Limitations - Despite initial clinical successes, CRISPR tools still face challenges such as off-target effects and potential adverse immune responses, limiting broader applications [3][10]. Group 3: AI's Role in Advancing CRISPR - The rapid development of artificial intelligence (AI) is expected to enhance gene editing tools, making them more adaptable and powerful [4]. - Profluent's research, published in Nature, introduced OpenCRISPR-1, an AI-designed gene editing tool that successfully edited the human genome, paving the way for more accessible and cost-effective gene therapies [4][5]. Group 4: OpenCRISPR-1 Characteristics - OpenCRISPR-1, designed entirely by AI, shows 403 amino acid mutations compared to SpCas9, yet maintains similar targeting efficiency while significantly reducing off-target editing by 95% [18]. - The AI-designed tool also appears to have lower immunogenicity compared to pathogen-derived editors, enhancing its potential for in vivo applications [18]. Group 5: Future Implications - The integration of AI in designing CRISPR systems signifies the beginning of a broader revolution in precision medicine, where therapeutic proteins are optimized through AI rather than solely relying on natural evolution [25]. - The ongoing development of AI-driven CRISPR systems could lead to significant advancements in treating previously incurable genetic diseases, expanding the scope of CRISPR applications beyond traditional boundaries [25].