目的研究基于反向散射的定量超声生物标记物在妊娠妇女宫颈微结构变化中的诊断价值。方法选取2020年7—12月在阳江市第三人民医院产检的孕妇40例,将其分为两组,早产组20例妇女在孕早期(妊娠5~14周)即终止妊娠;足月组中20例在孕晚期(37~4...目的研究基于反向散射的定量超声生物标记物在妊娠妇女宫颈微结构变化中的诊断价值。方法选取2020年7—12月在阳江市第三人民医院产检的孕妇40例,将其分为两组,早产组20例妇女在孕早期(妊娠5~14周)即终止妊娠;足月组中20例在孕晚期(37~41周)足月引产。均接受了超声检查,统计分析两组孕妇的衰减系数(attenuation coefficient,SAC)和平均背向散射功率差(average backscattering power difference,mBSPD),并分析早产组孕妇的漏斗形成情况。结果早产组孕妇20例中,在漏斗形状方面,U型、V型、Y型、T型分别占40.00%、30.00%、20.00%、10.00%。早产组孕妇的SAC和mBSPD均低于足月组,差异有统计学意义(P<0.05)。结论基于反向散射的定量超声生物标记物在妊娠妇女宫颈微结构变化中的诊断价值较高。展开更多
Membrane proteins are vital components of the cell membrane and play crucial roles in various cellular activities.Analysis of membrane proteins is of paramount importance for studying molecular events inside cells and...Membrane proteins are vital components of the cell membrane and play crucial roles in various cellular activities.Analysis of membrane proteins is of paramount importance for studying molecular events inside cells and organisms and holds promising prospects for early disease diagnosis and treatment assessment.Benefiting from obvious merits including high affinity,high specificity and ease of modification,aptamers have been regarded as ideal molecular recognition elements in membrane protein analysis and molecular diagnostics strategies.This review summarised recent advances in membrane protein-specific aptamer screening,aptamer-based static and dynamic membrane protein analysis,and aptamer-based molecular diagnostic techniques.Prospects and challenges were also discussed.展开更多
文摘目的研究基于反向散射的定量超声生物标记物在妊娠妇女宫颈微结构变化中的诊断价值。方法选取2020年7—12月在阳江市第三人民医院产检的孕妇40例,将其分为两组,早产组20例妇女在孕早期(妊娠5~14周)即终止妊娠;足月组中20例在孕晚期(37~41周)足月引产。均接受了超声检查,统计分析两组孕妇的衰减系数(attenuation coefficient,SAC)和平均背向散射功率差(average backscattering power difference,mBSPD),并分析早产组孕妇的漏斗形成情况。结果早产组孕妇20例中,在漏斗形状方面,U型、V型、Y型、T型分别占40.00%、30.00%、20.00%、10.00%。早产组孕妇的SAC和mBSPD均低于足月组,差异有统计学意义(P<0.05)。结论基于反向散射的定量超声生物标记物在妊娠妇女宫颈微结构变化中的诊断价值较高。
基金supported by the National Key Research and Development Project,China(No.2020YFA0909000)the National Natural Science Foundation of China(No.22107027)+1 种基金the Natural Science Foundation of Hunan Province,China(No.2023JJ20003)the Scientific Research Program of Furong Laboratory,China(No.2023SK2088).
文摘Membrane proteins are vital components of the cell membrane and play crucial roles in various cellular activities.Analysis of membrane proteins is of paramount importance for studying molecular events inside cells and organisms and holds promising prospects for early disease diagnosis and treatment assessment.Benefiting from obvious merits including high affinity,high specificity and ease of modification,aptamers have been regarded as ideal molecular recognition elements in membrane protein analysis and molecular diagnostics strategies.This review summarised recent advances in membrane protein-specific aptamer screening,aptamer-based static and dynamic membrane protein analysis,and aptamer-based molecular diagnostic techniques.Prospects and challenges were also discussed.