聊聊Sci
淼淼Elva聊聊Science和Nature！
| Publishes | Daily | Episodes | 1150 | Founded | a year ago |
|---|---|---|---|---|---|
| Language |  ZH-CN | Number of Listeners | Category | Science |
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这份研究论文通过整合转录组学与空间蛋白质组学技术，首次绘制了人类输卵管蛋白质的高分辨率空间图谱。研究人员从310个在输卵管中高表达的基因入手，重点通过免疫组织化学（IHC）手段对133种蛋白质进行了精确的亚细胞定位，发现其中绝大多数与纤毛运动功能密切相关。通过将实验结果与单细胞测序及质谱数据跨平台验证，该研究不仅识别出多项此前未被定义的纤毛相关蛋白，还揭示了这些蛋白在输卵管积水等病理状态下的表达变化。这项工作为理解女性不孕症及生殖系统疾病的分子机制提供了关键的蛋白质参考框架，并进一步阐明了不同人... more
这项研究揭示了癌症细胞通过去分化转变为药物耐受持久态（DTP）以逃避治疗的分子机制。研究人员通过对黑色素瘤及其他癌症模型进行多组学分析，发现这种转变是由受氧化应激诱导的NF-κB/RelA信号通路激活所启动的。RelA进入细胞核后，招募KDM5B和HDAC1等表观遗传因子，通过染色质重塑抑制SOX10等关键谱系基因的表达。这种过程呈现出受两个连续转录波驱动的迟滞性轨迹，且细胞的可塑性强度取决于治疗前相关基因的染色质开放程度。最终，研究证实了联合抑制致癌基因与表观遗传机器（如RelA或组蛋白修饰酶... more
这项研究揭示了安第斯土著居民拥有全球最高水平的唾液淀粉酶基因（AMY1）拷贝数，这与其独特的饮食演变密切相关。研究人员通过分析数千个全球基因组样本发现，这种基因扩增是一种快速的适应性进化，其发生时间约为一万年前，正值该地区马铃薯驯化的初期。通过超长读长测序技术，科学家确认了这种高拷贝单倍型是由特定的重组变异机制驱动的。统计检测表明，该基因位点经历了强烈的正向选择，反映了当地人群对高淀粉饮食的遗传适应。这一发现为研究复杂基因组区域如何响应局部生存环境和饮食转变提供了重要框架。
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这项研究探讨了咖啡摄入如何通过“微生物-肠-脑轴”影响人类的生理健康与认知行为。研究发现，习惯性饮用咖啡会显著改变肠道菌群结构，增加特定益生菌丰度，并降低某些神经递质和代谢产物的水平。在行为层面，咖啡饮用者表现出更高的冲动性和情绪反应性，而戒断或改喝脱咖啡因咖啡则能改善睡眠质量和记忆力。实验通过对比有无咖啡因的干预效果，证实了咖啡对免疫系统、应激反应及认知功能的调节作用。总之，该研究揭示了咖啡作为一种复杂饮品，在塑造微生态平衡与心理健康方面发挥着深远且独特的生物学影响。
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Reviews
- 很好👍
做实验的时候听一听蛮好
Apple Podcasts5nothingppChina2 months ago - 我最喜欢的播客之一，谢谢淼淼Elva
One of my favorite podcasts, thanks, 淼淼Elva
Apple Podcasts5TylerZouChina8 months ago - AI生成播客
选题挺好，真人聊就好了
Apple Podcasts1Yuantai SunChina9 months ago
Chart Rankings
How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.
Apple Podcasts | #69 | China/Science |
Apple Podcasts | #101 |  Denmark/Science |
Apple Podcasts | #107 |  Taiwan/Science |
Audience Metrics
Listeners, social reach, demographics and more for this podcast.
| Listeners per Episode | Gender Skew | Location | |||
|---|---|---|---|---|---|
| Interests | Professions | Age Range | |||
| Household Income | Social Media Reach | ||||
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聊聊Sci launched a year ago and published 1150 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
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