• Name: Prof. Anja U. Bräuer • Staff number: 2 Post-docs, 2 PhD students (starting Sept. 2017 in Oldenburg) • Main research areas: mouse cortical development, neuronal differentiation, de- and regeneration processes, brain aging • Interested in: phosphate-phospholipid-modifying proteins, lipid metabolism,
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骨折延迟愈合 (DFH) 是骨折术后常见的并发症,其发病机制尚不完全清楚。本研究致力于研究 miR-656-3p 和骨形态发生蛋白 2 (BMP-2) 在 DFH 中的作用和潜在机制。研究招募了 94 名正常骨折愈合 (NFH) 患者和 88 名股骨颈 DFH 患者。使用 RT-qPCR 量化血清 miR-656-3p 和 BMP-2 表达,并使用 ROC 分析评估它们对 DFH 的诊断潜力。通过逻辑回归分析确定影响骨折愈合的因素。诱导 MC3T3-E1 细胞的成骨分化,然后利用 CCK-8、流式细胞术和成骨标志物的 mRNA 表达分析评估细胞增殖、凋亡和分化能力。通过荧光素酶报告基因检测验证了 miR-656-3p 和 BMP-2 之间的靶向关系。与 NFH 患者相比,DFH 患者的 miR-656-3p 水平显著升高,而 BMP-2 水平下降,两者的表达模式呈负相关。逻辑回归分析显示,miR-656-3p 和 BMP-2 是骨折愈合的影响因素,两者联合评估对 DFH 的预测价值更高。miR-656-3p 下调促进 MC3T3-E1 细胞增殖和分化,同时抑制细胞凋亡。BMP-2 被确定为 miR-656-3p 的靶点,当 BMP-2 表达受到抑制时,BMP-2 可抵消 miR-656-3p 下调的影响。miR-656-3p 通过靶向 BMP-2 来调节成骨细胞功能,为 DFH 的管理提供了新的治疗和诊断靶点。
序列 MSWDDAIEGV DRDTPGGRMP RAWNVAARLR AANDDISHAH VADGVPTYAE LHCLSDFSFL RGASSAEQLF ARAQHCGYSA LAITDECSLA GIVRGLEASR VTGVRLIVGS EFTLIDGTRF VLLVENAHGY PQVCGLVTTA RRAASKGAYR LGRADVEAQF RDVAPGVFAL WLPGVQPQAE QGAWLQQVFG ERAFLAVELH REQDDGARLQ VLQALAQQLG MTAVASGDVH MAQRRERIVQ DTLTAIRHTL PLAECGAHLF RNGERHLRTR RALGNIYPDA LLQAAVALAQ RCTFDISKIS YTYPRELVPE GHTPTSYLRQ LTEAGIRKRW PGGITAKVRE DIEKELALIA LKKYEAFFLT过程RVRERMQGKG YASTFIDQIF EQIKGFGSYG FPQSHAASFA KLVYASCWLK RHEPAAFACG LLNAQPMGFY SASQIVQDAR RGSPERERVE VLPVDVVHSD WDNTLVGGRP WRSAADPGEQ PAIRLGMRQV AGLSDVVAQR IVAARTQRAF ADIGDLCLRA ALDEKACLAL AEAGALQGMV GNRNAARWAM AGVEARRPLL PGSPEERPVA FEAPHAGEEI LADYRSVGLS LRQHPMALLR PQMRQRRILG LRDLQGRPHG SGVHVAGLVT QRQRPATAKG TIFVTLEDEH GMINVIVWSH LALRRRRALL ESRLLAVRGR WERVDGVEHL IAGDLHDLSD LLGDMQLPSR DFH
序列 MSWDDAIEGV DRDTPGGRMP RAWNVAARLR AANDDISHAH VADGVPTYAE LHCLSDFSFL RGASSAEQLF ARAQHCGYSA LAITDECSLA GIVRGLEASR VTGVRLIVGS EFTLIDGTRF VLLVENAHGY PQVCGLVTTA RRAASKGAYR LGRADVEAQF RDVAPGVFAL WLPGVQPQAE QGAWLQQVFG ERAFLAVELH REQDDGARLQ VLQALAQQLG MTAVASGDVH MAQRRERIVQ DTLTAIRHTL PLAECGAHLF RNGERHLRTR RALGNIYPDA LLQAAVALAQ RCTFDISKIS YTYPRELVPE GHTPTSYLRQ LTEAGIRKRW PGGITAKVRE DIEKELALIA LKKYEAFFLT过程RVRERMQGKG YASTFIDQIF EQIKGFGSYG FPQSHAASFA KLVYASCWLK RHEPAAFACG LLNAQPMGFY SASQIVQDAR RGSPERERVE VLPVDVVHSD WDNTLVGGRP WRSAADPGEQ PAIRLGMRQV AGLSDVVAQR IVAARTQRAF ADIGDLCLRA ALDEKACLAL AEAGALQGMV GNRNAARWAM AGVEARRPLL PGSPEERPVA FEAPHAGEEI LADYRSVGLS LRQHPMALLR PQMRQRRILG LRDLQGRPHG SGVHVAGLVT QRQRPATAKG TIFVTLEDEH GMINVIVWSH LALRRRRALL ESRLLAVRGR WERVDGVEHL IAGDLHDLSD LLGDMQLPSR DFH
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