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Nat Med:B淋巴细胞一直被忽视的功能:预防和治疗早产

2016-12-24 佚名 来宝网

在怀孕37周之前的早产--在美国和许多其他国家中每六个怀孕妇女中影响高达一个。它是婴儿死亡和长期疾病的首要原因,并造成沉重的社会和经济负担。虽然早产是一个复杂的情况,母亲在怀孕期间的感染和随之而来的炎症是非常常见的触发器。最近发表在首席生物医学研究杂志“自然医学”上的一项研究,由韦医学院的妇产科助理教授领导的研究小组发现了一种类型的关键功能的母亲免疫细胞-B淋巴细胞,抵抗由炎症引发的早产。根据Ch



在怀孕37周之前的早产--在美国和许多其他国家中每六个怀孕妇女中影响高达一个。它是婴儿死亡和长期疾病的首要原因,并造成沉重的社会和经济负担。虽然早产是一个复杂的情况,母亲在怀孕期间的感染和随之而来的炎症是非常常见的触发器。

最近发表在首席生物医学研究杂志“自然医学”上的一项研究,由韦医学院的妇产科助理教授领导的研究小组发现了一种类型的关键功能的母亲免疫细胞-B淋巴细胞,抵抗由炎症引发的早产。

根据Chen,B淋巴细胞产生抗体以保护身体免受感染,但是科学家和临床医生一直认为这些细胞在子宫内膜中是罕见的或不存在的,并且对于怀孕不重要。

Chen的实验室发现,在怀孕后期,母亲的B淋巴细胞不仅存在于人和小鼠的子宫内膜,而且还检测炎症和子宫压力,这是早产的主要原因,反过来,产生分子包括一个称为PIBF1,以抑制子宫炎症和早产。

Chen说:“这项研究不仅揭示了B淋巴细胞在促进健康怀孕中长期被忽视的功能,而且还支持使用B淋巴细胞衍生的分子(如PIBF1)来预防或治疗早产”。

Chen的团队已经在动物模型中进行了概念验证和功效研究,并在Wayne州立大学技术商业化办公室的帮助下,为这种潜在的治疗方法提交了专利。

Chen的合作者说:“真正令人惊讶的是,Chen独立召集并带领一个优秀的科学家团队完成这个新颖和令人印象深刻的研究过程,特别是考虑到他在这个过程中遇到的许多挑战”。主要作者包括Wayne州博士后研究员Bihui Huang和Azure Faucette,他们都在学术界担任独立职位。

原始出处:

Huang B, Faucette AN, Pawlitz MD, Pei B, Goyert JW, Zhou JZ, El-Hage NG, Deng J, Lin J, Yao F, Dewar RS 3rd, Jassal JS, Sandberg ML, Dai J, Cols M, Shen C, Polin LA, Nichols RA, Jones TB, Bluth MH, Puder KS, Gonik B, Nayak NR, Puscheck E, Wei WZ, Cerutti A, Colonna M, Chen K.Interleukin-33-induced expression of PIBF1 by decidual B cells protects against preterm labor.Nat Med. 2016 Dec 5. doi: 10.1038/nm.4244. [Epub ahead of print]


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    2016-12-29 liye789132251
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