Commercial Recombinant Human β‐Nerve Growth Factor and Adult Rat Dorsal Root Ganglia Contain an Identical Molecular Species of Nerve Growth Factor Prohormone

Commercial Recombinant Human β‐Nerve Growth Factor and Adult Rat Dorsal Root Ganglia Contain an Identical Molecular Species of Nerve Growth Factor Prohormone
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商业重组人 β-神经生长因子和成年大鼠背根神经节含有相同分子种类的神经生长因子激素原

DOI:
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发表时间:
2000
影响因子:
4.7
通讯作者:
J. Lakshmanan
J. Lakshmanan
中科院分区:
医学2区
文献类型:
--
作者:
M. Reinshagen;I. Geerling;V. Eysselein;G. Adler;K. Huff;Geoffrey Philip Moore;J. Lakshmanan

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摘要:使用针对 13-kDa NGF 和 pro-NGF 特异性结构域的多克隆抗体对商业重组人 β-神经生长因子 (rh-β-NGF) 制剂进行检查,结果发现存在高分子质量免疫反应蛋白,包括 60-kDa NGF 激素原。与 N 特异性糖苷酶和 O 特异性糖苷酶混合物一起孵育后,60 kDa NGF 激素原产生了 32 kDa 蛋白质,与克隆的人 NGF cDNA 预测的 NGF 前体分子大小相对应。使用 NGF 和 NGF 域特异性抗体对成年大鼠背根神经节、脊髓和结肠组织进行高灵敏化学发光免疫印迹分析,也揭示了高分子质量蛋白的存在,包括 60 kDa NGF 激素原。基于背根神经节及其传出组织中 60-kDa NGF 激素原的存在,我们认为未经蛋白水解加工的糖基化 NGF 激素原可能介导神经元与其所支配的组织之间的相互作用。
Abstract: Examination of commercial recombinant human β‐nerve growth factor (rh‐β‐NGF) preparations with polyclonal antibodies specific to 13‐kDa NGF and pro‐NGF‐specific domains revealed the presence of high‐molecular‐mass immunoreactive proteins, including a 60‐kDa NGF prohormone. On incubation with a mixture of N‐ and O‐specific glycosidases, the 60‐kDa NGF prohormone generated a 32‐kDa protein corresponding to the molecular size of NGF precursor predicted by the cloned human NGF cDNA. Highly sensitive chemiluminescence immunoblot analysis of adult rat dorsal root ganglia, spinal cord, and colon tissues with NGF‐ and pro‐NGF domain‐specific antibodies also revealed the presence of high‐molecular‐mass proteins, including the 60‐kDa NGF prohormone. Based on the presence of the 60‐kDa NGF prohormone in dorsal root ganglia and its efferent tissues, we suggest that proteolytically unprocessed, glycosylated NGF prohormone may mediate interactions between neurons and the tissues they innervate.
DOI: 10.1021/bi00367a033
发表时间: 1986
期刊: Biochemistry
影响因子: 2.9
作者:
Saboori,AM;Young,M
通讯作者: Young,M
通过神经生长因子样蛋白调节生长,调节肿瘤上皮细胞系和人类前列腺基质细胞之间的旁分泌相互作用。
DOI: --
发表时间: 1991
期刊: Cancer research
影响因子: 11.2
作者:
Djakiew,D;Delsite,R;Pflug,B;Wrathall,J;Lynch,JH;Onoda,M
通讯作者: Onoda,M