The hippocampus is involved in important brain functions such as learning and memory,spatial navigation,fear processing,and social behavior(Dudek et al,2016).The most prominent areas of the hippocampus are typically d...The hippocampus is involved in important brain functions such as learning and memory,spatial navigation,fear processing,and social behavior(Dudek et al,2016).The most prominent areas of the hippocampus are typically denoted as the dentate gyrus and the three areas of the cornu ammonis(CA1,CA2,and CA3).Discovered by Lorente de Nó(1934),the CA2 region of the hippocampus is a relatively small area interposed between CA3 and CA1 that forms the nexus linking the input of the entorhinal cortex to the output of CA1(Chevaleyre and Siegelbaum,2010).展开更多
目的:研究Ca2+离子对非CaBPs蛋白类过敏原二级结构和抗原活性的影响。方法:以重组榛子主要过敏原Cor h 1为研究对象,用圆二色谱(CD)研究了系列浓度的Ca2+和EDTA各自存在情况下,不同蛋白浓度溶液中rCor h 1二级结构的变化及规律,并以榛...目的:研究Ca2+离子对非CaBPs蛋白类过敏原二级结构和抗原活性的影响。方法:以重组榛子主要过敏原Cor h 1为研究对象,用圆二色谱(CD)研究了系列浓度的Ca2+和EDTA各自存在情况下,不同蛋白浓度溶液中rCor h 1二级结构的变化及规律,并以榛子过敏患者血清为一抗,用ELISA实验分析了Ca2+和EDTA对rCor h 1抗原活性的影响。结果:在高浓度rCor h 1溶液中Ca2+的加入可以引起椭圆率的增加,而在低浓度的rCor h 1溶液中则引起椭圆率的降低;EDTA在高浓度和低浓度的rCor h 1溶液中均能引起rCor h 1二级结构相对含量的降低;椭圆率增加(或降低)的幅度与Ca2+、EDTA终浓度成正比。ELISA实验表明Ca2+和EDTA都能显著降低rCor h 1的抗原活性。结论:Ca2+离子可以显著影响rCor h 1的二级结构,降低其抗原活性,为非CaBPs蛋白类低致敏原的研究奠定了较好的前期研究基础。展开更多
基金support from the Agencia Estatal de Investigación and FEDER(BFU2015-68655-P)。
文摘The hippocampus is involved in important brain functions such as learning and memory,spatial navigation,fear processing,and social behavior(Dudek et al,2016).The most prominent areas of the hippocampus are typically denoted as the dentate gyrus and the three areas of the cornu ammonis(CA1,CA2,and CA3).Discovered by Lorente de Nó(1934),the CA2 region of the hippocampus is a relatively small area interposed between CA3 and CA1 that forms the nexus linking the input of the entorhinal cortex to the output of CA1(Chevaleyre and Siegelbaum,2010).
文摘目的:研究Ca2+离子对非CaBPs蛋白类过敏原二级结构和抗原活性的影响。方法:以重组榛子主要过敏原Cor h 1为研究对象,用圆二色谱(CD)研究了系列浓度的Ca2+和EDTA各自存在情况下,不同蛋白浓度溶液中rCor h 1二级结构的变化及规律,并以榛子过敏患者血清为一抗,用ELISA实验分析了Ca2+和EDTA对rCor h 1抗原活性的影响。结果:在高浓度rCor h 1溶液中Ca2+的加入可以引起椭圆率的增加,而在低浓度的rCor h 1溶液中则引起椭圆率的降低;EDTA在高浓度和低浓度的rCor h 1溶液中均能引起rCor h 1二级结构相对含量的降低;椭圆率增加(或降低)的幅度与Ca2+、EDTA终浓度成正比。ELISA实验表明Ca2+和EDTA都能显著降低rCor h 1的抗原活性。结论:Ca2+离子可以显著影响rCor h 1的二级结构,降低其抗原活性,为非CaBPs蛋白类低致敏原的研究奠定了较好的前期研究基础。
