Intrabody and intrakine strategies for molecular therapy.

Intrabody and intrakine strategies for molecular therapy.
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分子治疗的体内和体内策略。

DOI:
10.1016/s1525-0016(03)00183-7
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发表时间:
2003
期刊:
Molecular therapy : the journal of the American Society of Gene Therapy
影响因子:
--
通讯作者:
Sane,DavidC
Sane,DavidC
中科院分区:
--
文献类型:
--
作者:
Wheeler,YurongYang;Chen,Si-Yi;Sane,DavidC

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dan抗体是由两条重链和两条轻链组成的二价分子。重链有1个可变结构域和3个恒定结构域,轻链有1个可变结构域和1个恒定结构域。重链和轻链的可变区维持了整个抗体[5]的结合特异性和亲和力。单链抗体(scFv)的发展促进了体内的工程和表达,因为单链抗体足够小,可以很容易地在细胞内引入和表达。单链抗体由重链和轻链的可变区组成,由多肽连接物如(Gly 4 Ser) 3[6,7]或链间二硫键[8]连接在一起(图7)。1)。根据定义,体内抗体是一种细胞内抗体,针对特定的细胞内抗原(图1B)。内因子是细胞内的趋化因子,可以结合特定的细胞内配体(图1B)。
BackgroundAn antibody is a bivalent molecule composed of two heavy chains and two light chains. The heavy chains have one variable domain and three constant domains, while the light chains have one variable domain and one constant domain. The variable regions of the heavy and light chains maintain the binding specificity and affinity of the whole antibody [5]. The development of single-chain antibodies (scFv) facilitated the engineering and expression of the intrabody, since scFv are small enough to be easily introduced and expressed inside cells. Single-chain antibodies are composed of the variable regions of a heavy chain and a light chain, joined together by a polypeptide linker such as (Gly 4 Ser) 3 [6, 7] or an interchain disulfide bond [8](Fig. 1A). By definition, an intrabody is an intracellular antibody, targeting a specific intracellular antigen (Fig. 1B). Intrakines are intracellular chemokines that can bind a specific intracellular ligand (Fig. 1B).
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