J Orthop Surg Res:番茄红素对卵巢切除大鼠钛种植体骨整合的影响

2018-09-22 MedSci MedSci原创

番茄红素可预防骨质流失,然而,番茄红素在骨质减少条件下对牙种植体成功率的作用仍然未知。本研究旨在评估番茄红素是否可以预防卵巢切除(OVX)大鼠模型中延迟的种植体骨整合。将30只雌性SD大鼠随机分成以下组:OVX与载体(OVX组),OVX与番茄红素(OVX +番茄红素组)和假手术载体(假手术组)。在卵巢切除术或假手术后12周,将钛植入物置于每只大鼠双侧股骨的远端干骺端。随后用番茄红素(50mg /

番茄红素可预防骨质流失,然而,番茄红素在骨质减少条件下对牙种植体成功率的作用仍然未知。本研究旨在评估番茄红素是否可以预防卵巢切除(OVX)大鼠模型中延迟的种植体骨整合。

将30只雌性SD大鼠随机分成以下组:OVX与载体(OVX组),OVX与番茄红素(OVX +番茄红素组)和假手术载体(假手术组)。在卵巢切除术或假手术后12周,将钛植入物置于每只大鼠双侧股骨的远端干骺端。随后用番茄红素(50mg / kg /天)或载体强饲这些大鼠。在管饲12周后,处死所有大鼠,并收获标本。通过生物力学测试,3D微计算机断层扫描(微CT)分析和组织形态学分析来评估样品骨整合。

结果显示,与OVX组相比,OVX +番茄红素组的最大推出力增加了69.3%(p <0.01)。Micro-CT结果显示,与OVX组相比,OVX +番茄红素组股骨的骨量、骨小梁厚度和骨小梁空间明显增加。与OVX组相比,OVX +番茄红素组植体周围的骨面积(BA)和植入物的骨接触(BC)分别增加了72.3%(p <0.01)和51.4%(p <0.01)。OVX +番茄红素和假手术组之间的机械测试,微CT扫描和组织形态学数据没有显著差异(p> 0.05)。

综上所述,该研究结果表明,番茄红素在骨质减少的条件下改善了种植体的骨整合、固定和骨形成,表明番茄红素是一种很有前途的治疗药物,可以预防骨质疏松症状下骨质疏松和骨质疏松。

原始出处:

Xiaojie Li, Wenli Xue, et al., Effect of lycopene on titanium implant osseointegration in ovariectomized rats. J Orthop Surg Res. 2018; 13: 237.

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    2019-03-07 30397613
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    2019-04-21 huangdf
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    2018-10-24 hittouch
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