Poly(rC)-binding proteins as pleiotropic regulators in hematopoiesis and hematological malignancy.

Poly(rC)-binding proteins as pleiotropic regulators in hematopoiesis and hematological malignancy.
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DOI:
10.3389/fonc.2022.1045797
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发表时间:
2022
影响因子:
4.7
通讯作者:
--
中科院分区:
医学3区
文献类型:
--
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多聚胞嘧啶结合蛋白(Poly(rC)-binding proteins,PCBPs)是RNA结合蛋白的一个亚家族,具有与多聚胞嘧啶(poly-C)的高亲和力和序列特异性相互作用的特点。PCBP家族由五个成员组成,包括hnRNP K和PCBP 1 -4。这些蛋白质共享相对相似的结构基序,具有三重hnRNP K同源(KH)结构域,负责识别和结合mRNA和单链和双链DNA的富C区。大量研究表明,多氯联苯在造血细胞的生长、分化和肿瘤发生中发挥着重要作用。在此,我们总结了目前可用的文献有关的各种PCBP家族成员的结构和功能的分歧。此外,我们还重点研究了它们在正常造血,特别是红细胞生成中的作用。更重要的是,我们还讨论并强调了它们参与癌症发生,包括白血病和淋巴瘤,旨在阐明造血室中的多效性作用和分子机制。
Poly(rC)-binding proteins (PCBPs), a defined subfamily of RNA binding proteins, are characterized by their high affinity and sequence-specific interaction with poly-cytosine (poly-C). The PCBP family comprises five members, including hnRNP K and PCBP1-4. These proteins share a relatively similar structure motif, with triple hnRNP K homology (KH) domains responsible for recognizing and combining C-rich regions of mRNA and single- and double-stranded DNA. Numerous studies have indicated that PCBPs play a prominent role in hematopoietic cell growth, differentiation, and tumorigenesis at multiple levels of regulation. Herein, we summarized the currently available literature regarding the structural and functional divergence of various PCBP family members. Furthermore, we focused on their roles in normal hematopoiesis, particularly in erythropoiesis. More importantly, we also discussed and highlighted their involvement in carcinogenesis, including leukemia and lymphoma, aiming to clarify the pleiotropic roles and molecular mechanisms in the hematopoietic compartment.
DOI: 10.1111/j.1432-1033.1996.00425.x
发表时间: 1996-10-15
期刊: EUROPEAN JOURNAL OF BIOCHEMISTRY
影响因子: --
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影响因子: 4.4
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