S100 proteins govern cellular proliferation,differentiation,apoptosis,calcium homeostasis,energy metabolism,and inflammation.This heterodimeric calcium-binding protein,consisting of the S100A8 and S100A9 subunits,modu...S100 proteins govern cellular proliferation,differentiation,apoptosis,calcium homeostasis,energy metabolism,and inflammation.This heterodimeric calcium-binding protein,consisting of the S100A8 and S100A9 subunits,modulates myeloid cell development.展开更多
本研究旨在探讨骨髓增生异常综合征(MDS)患者袪铁治疗后红细胞生成素(EPO)、血红蛋白(Hb)、重组EPO(rEPO)的变化及EPO与血清铁蛋白(SF)的相关性。检测172例MDS患者及30例健康对照者SF、EPO浓度、血清铁(SI)、总铁结合力(TIBC)、C反应蛋...本研究旨在探讨骨髓增生异常综合征(MDS)患者袪铁治疗后红细胞生成素(EPO)、血红蛋白(Hb)、重组EPO(rEPO)的变化及EPO与血清铁蛋白(SF)的相关性。检测172例MDS患者及30例健康对照者SF、EPO浓度、血清铁(SI)、总铁结合力(TIBC)、C反应蛋白(CRP)、Hb;根据CRP值对SF进行调整。对34例低危组、SF>1 000 mg/L的患者给予袪铁胺治疗,比较治疗前后SF、EPO、SI、TIBC、Hb的变化。对58例低危组、EPO<1 000 U/L的患者给予rEPO治疗,比较铁过载组与非铁过载组袪铁治疗前后EPO抵抗的发生率。结果表明:非铁过载组EPO浓度高于正常对照组(997.44±473.48 vs 467.27±238.49)(P<0.05);铁过载组EPO浓度高于无铁过载组及正常对照组(3257.59±697.19 vs 997.44±473.48;3257.59±697.19 vs 467.27±238.49)(P均<0.05);铁过载组EPO抵抗发生率高于非铁过载组(18/35 vs 2/23)(P=0.001),铁过载组MDS患者EPO与SF呈显著正相关(r=0.310)(P=0.036)。袪铁治疗后SF、SI、TIBC及EPO浓度均较治疗前明显下降(3942.38±641.82 vs 2266.35±367.31;48.61±10.65 vs 28.52±12.61;59.84±12.62 vs 33.76±15.43;3808.01±750.22 vs 1954.78±473.18)(P均<0.05),Hb升高(35±18 vs 57±21)(P=0.046),部分EPO抵抗患者恢复疗效。结论:袪铁治疗能增强贫血MDS患者对EPO反应,缓解EPO抵抗,降低EPO病理性升高,提升Hb水平,减少输血依赖。展开更多
基金supported by grants from the National Natural Science Foundation of China(Grant Nos.82170160 and 32000604)the Provincial Natural Science Foundation of Hunan(Grant Nos.2021JJ30163 and 2022JJ20021)+3 种基金the Changsha Municipal Natural Science Foundation(Grant No.kq2007053)the Global Research Award from American Society of Hematology to Y.Mpartially supported by the National Natural Science Foundation of China(Grant No.82470145)Mount Taishan Scholar Young Expert of Shandong Province(Grant No.tsqn202103167)to S.X。
文摘S100 proteins govern cellular proliferation,differentiation,apoptosis,calcium homeostasis,energy metabolism,and inflammation.This heterodimeric calcium-binding protein,consisting of the S100A8 and S100A9 subunits,modulates myeloid cell development.
文摘本研究旨在探讨骨髓增生异常综合征(MDS)患者袪铁治疗后红细胞生成素(EPO)、血红蛋白(Hb)、重组EPO(rEPO)的变化及EPO与血清铁蛋白(SF)的相关性。检测172例MDS患者及30例健康对照者SF、EPO浓度、血清铁(SI)、总铁结合力(TIBC)、C反应蛋白(CRP)、Hb;根据CRP值对SF进行调整。对34例低危组、SF>1 000 mg/L的患者给予袪铁胺治疗,比较治疗前后SF、EPO、SI、TIBC、Hb的变化。对58例低危组、EPO<1 000 U/L的患者给予rEPO治疗,比较铁过载组与非铁过载组袪铁治疗前后EPO抵抗的发生率。结果表明:非铁过载组EPO浓度高于正常对照组(997.44±473.48 vs 467.27±238.49)(P<0.05);铁过载组EPO浓度高于无铁过载组及正常对照组(3257.59±697.19 vs 997.44±473.48;3257.59±697.19 vs 467.27±238.49)(P均<0.05);铁过载组EPO抵抗发生率高于非铁过载组(18/35 vs 2/23)(P=0.001),铁过载组MDS患者EPO与SF呈显著正相关(r=0.310)(P=0.036)。袪铁治疗后SF、SI、TIBC及EPO浓度均较治疗前明显下降(3942.38±641.82 vs 2266.35±367.31;48.61±10.65 vs 28.52±12.61;59.84±12.62 vs 33.76±15.43;3808.01±750.22 vs 1954.78±473.18)(P均<0.05),Hb升高(35±18 vs 57±21)(P=0.046),部分EPO抵抗患者恢复疗效。结论:袪铁治疗能增强贫血MDS患者对EPO反应,缓解EPO抵抗,降低EPO病理性升高,提升Hb水平,减少输血依赖。
