摘要:体外实验研究表明配子生成素结合蛋白1(GGNBP1)可能与GGN1相互作用形成睾丸特异性复合物,在精子生成过程中发挥作用.从小鼠睾丸总RNA中反转录扩增Ggnbpl全长cDNA,构建表达质粒,在大肠杆菌中表达GGNBP1,经聚丙烯酰胺凝胶纯化后免疫新西兰白兔,制备兔多抗血清.镍离子金属螯合柱纯化表达的GGNBP1蛋白,与NHS活化基团交联,制备GGNBP1抗体亲和层析柱,纯化GGNBP1多抗.在293FT细胞中瞬时表达Myc-GGNBP1融合蛋白,用于Mvc单抗验证GGNBP1抗体特异性,结果证明获得了特异性的GGNBP1抗体.分别制备小鼠脑、心、肺、肝、脾、肾、肌肉、卵巢、睾丸和子宫组织匀浆,用GGNBP1抗体进行Western印迹分析,结果仅在睾丸组织匀浆中检测到GGNBP1特异性条带,证明GGNBP1是睾丸特异性表达蛋白.
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