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Effect of Inositol Hexaphosphate on the Development of UVB-Induced Skin Tumors in SKH1 Hairless Mice

机译:六磷酸肌醇对UVB诱导的SKH1无毛小鼠皮肤肿瘤发生的影响

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Inositolhexaphosphate(IPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/sub)isanaturallyoccurringpolyphosphorylatedcarbohydratethatisabundantinmanyplantsandinvarioushigh-fiberfoods,suchascerealsandlegumes.IPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/subhasastriking,broad-spectrumanticanceractivityinvariousinvitroandanimalmodels,inwhichitinterfereswithkeypathwaysinmalignancytoinhibitcellproliferation,cell-cycleprogression,metastasis,invasion,andangiogenesisandtoinduceapoptosis.Inthisstudy,weinvestigatedtheprotectiveeffectsofIPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/subindrinkingwaterontheincidenceofUVB-inducedskincancerintheSKH1(Crl:SKH1-hr)mousemodel.Onegroupof15micereceived2%IPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/subindrinkingwaterandUVBexposure,andtheothergroup(n=15)receivedUVBexposureonly.AllmiceinbothgroupswerefedanIPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/sub-deficientdiet(AIN76A).Thetreatmentgroupstartedreceiving2%IPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/subinthedrinkingwater3dbeforeirradiation.Micewereirradiated3timeseachweek,startingatadoseof1.5kJ/msupxmlns="http://pub2web.metastore.ingenta.coms/"2/sup,withweeklyincreasesinincrementsof1.5kJ/msupxmlns="http://pub2web.metastore.ingenta.coms/"2/suptoafinaldoseof7.5kJ/msupxmlns="http://pub2web.metastore.ingenta.coms/"2/sup.Tumorformationwasmonitoreduntiltheweek31.IPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/subindrinkingwatersignificantlydecreasedtumorincidenceby5-foldandtumormultiplicityby4-fold.TheseresultsshowthatIPsubxmlns="http://pub2web.metastore.ingenta.coms/"6/subhasanantiphotocarcinogeniceffectandcanprotectagainstUVB-inducedtumorformation.
机译:肌醇六磷酸(IP 6 )是天然存在的多磷酸化碳水化合物,它富含许多植物和各种高纤维食品,例如谷物和豆类。IP 6 具有各种体外和动物模型,具有广泛的光谱学活动性,其中干扰关键途径抑制细胞增殖,细胞周期进程,转移,侵袭,血管生成和诱生的恶性肿瘤。 “> 6 饮用水在UVB诱导的SKH1(Crl:SKH1-hr)小鼠模型中的发生率。一组15人接受了2%IP 6 饮用水和UVB暴露,另一组(n = 15)只收到UVB曝光。所有组都对IP 6 -deficientdiet(AIN76A)进行了处理。治疗组开始了在辐照前3 d接受2%IP 6 。在每星期3次辐射小鼠,开始剂量为1.5kJ / m 2 ,每周增加1.5kJ / m 2 toafinaldoseof7.5kJ / m 2 .Tumorformation一直监视到周31。IP 6 6 hasan抗光致癌作用并可以防止UVB诱导的肿瘤形成。

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