动脉粥样硬化模型中,难以定量观察斑块中M1巨噬细胞和M2巨噬细胞的比率。本文建立高脂饮食诱导动脉粥样硬化小鼠模型,对主动脉根部的连续冷冻切片,用巨噬细胞特异性标志物(iNOS代表M1型促炎巨噬细胞,CD206代表M2型抑炎巨噬细胞),进行免...动脉粥样硬化模型中,难以定量观察斑块中M1巨噬细胞和M2巨噬细胞的比率。本文建立高脂饮食诱导动脉粥样硬化小鼠模型,对主动脉根部的连续冷冻切片,用巨噬细胞特异性标志物(iNOS代表M1型促炎巨噬细胞,CD206代表M2型抑炎巨噬细胞),进行免疫双标记。经共聚焦显微镜拍照,Image Pro Plus软件进行共定位分析,证实了斑块内M1/M2巨噬细胞比值大小跟动脉粥样硬化斑块内炎症的严重程度相关。本文的研究结果提供了一种直观可行的定量分析小鼠斑块内巨噬细胞亚型和比例的方法,为动脉粥样硬化研究提供了新的分析思路。展开更多
Optical endoscopy has become an essential diagnostic and therapeutic approach in modern biomedicine for directly observing organs and tissues deep inside the human body,enabling non-invasive,rapid diagnosis and treatm...Optical endoscopy has become an essential diagnostic and therapeutic approach in modern biomedicine for directly observing organs and tissues deep inside the human body,enabling non-invasive,rapid diagnosis and treatment.Optical fiber endoscopy is highly competitive among various endoscopic imaging techniques due to its high flexibility,compact structure,excellent resolution,and resistance to electromagnetic interference.Over the past decade,endoscopes based on a single multimode optical fiber(MMF)have attracted widespread research interest due to their potential to significantly reduce the footprint of optical fiber endoscopes and enhance imaging capabilities.In comparison with other imaging principles of MMF endoscopes,the scanning imaging method based on the wavefront shaping technique is highly developed and provides benefits including excellent imaging contrast,broad applicability to complex imaging scenarios,and good compatibility with various well-established scanning imaging modalities.In this review,various technical routes to achieve light focusing through MMF and procedures to conduct the scanning imaging of MMF endoscopes are introduced.The advancements in imaging performance enhancements,integrations of various imaging modalities with MMF scanning endoscopes,and applications are summarized.Challenges specific to this endoscopic imaging technology are analyzed,and potential remedies and avenues for future developments are discussed.展开更多
文摘动脉粥样硬化模型中,难以定量观察斑块中M1巨噬细胞和M2巨噬细胞的比率。本文建立高脂饮食诱导动脉粥样硬化小鼠模型,对主动脉根部的连续冷冻切片,用巨噬细胞特异性标志物(iNOS代表M1型促炎巨噬细胞,CD206代表M2型抑炎巨噬细胞),进行免疫双标记。经共聚焦显微镜拍照,Image Pro Plus软件进行共定位分析,证实了斑块内M1/M2巨噬细胞比值大小跟动脉粥样硬化斑块内炎症的严重程度相关。本文的研究结果提供了一种直观可行的定量分析小鼠斑块内巨噬细胞亚型和比例的方法,为动脉粥样硬化研究提供了新的分析思路。
基金supported by National Natural Science Foundation of China(62135007 and 61925502).
文摘Optical endoscopy has become an essential diagnostic and therapeutic approach in modern biomedicine for directly observing organs and tissues deep inside the human body,enabling non-invasive,rapid diagnosis and treatment.Optical fiber endoscopy is highly competitive among various endoscopic imaging techniques due to its high flexibility,compact structure,excellent resolution,and resistance to electromagnetic interference.Over the past decade,endoscopes based on a single multimode optical fiber(MMF)have attracted widespread research interest due to their potential to significantly reduce the footprint of optical fiber endoscopes and enhance imaging capabilities.In comparison with other imaging principles of MMF endoscopes,the scanning imaging method based on the wavefront shaping technique is highly developed and provides benefits including excellent imaging contrast,broad applicability to complex imaging scenarios,and good compatibility with various well-established scanning imaging modalities.In this review,various technical routes to achieve light focusing through MMF and procedures to conduct the scanning imaging of MMF endoscopes are introduced.The advancements in imaging performance enhancements,integrations of various imaging modalities with MMF scanning endoscopes,and applications are summarized.Challenges specific to this endoscopic imaging technology are analyzed,and potential remedies and avenues for future developments are discussed.