Biomaterials direct functional B cell response in a material-specific manner.

Biomaterials direct functional B cell response in a material-specific manner.
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DOI:
10.1126/sciadv.abj5830
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发表时间:
2021-12-03
期刊:
影响因子:
13.6
通讯作者:
Elisseeff JH
Elisseeff JH
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Moore EM;Maestas DR Jr;Cherry CC;Garcia JA;Comeau HY;Davenport Huyer L;Kelly SH;Peña AN;Blosser RL;Rosson GD;Elisseeff JH

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生物材料成分有助于 B 细胞的局部、区域和全身改变。 B 细胞是疫苗研究中生物材料开发的适应性免疫靶标,但尽管它们在伤口愈合中发挥作用,但尚未在再生医学中得到广泛研究。为了探讨 B 细胞在生物材料支架反应中的作用,我们使用生物细胞外基质 (ECM) 作为天然材料的参考,使用合成聚酯聚己内酯 (PCL) 作为合成材料的参考,评估了 B 细胞对植入肌肉伤口的生物材料的反应。在局部肌肉组织中,存在少量 B 细胞以响应组织损伤和生物材料植入。 ECM 材料诱导淋巴结中成熟的 B 细胞和脾脏中的抗原呈递。合成的 PCL 植入物导致 B 细胞在伤口中存在时间延长,并诱导抗原呈递表型。总之,对生物材料的适应性 B 细胞免疫反应会诱导局部、区域和全身免疫学变化。
Biomaterial composition contributes to local, regional, and systemic alterations in B cells. B cells are an adaptive immune target of biomaterials development in vaccine research but, despite their role in wound healing, have not been extensively studied in regenerative medicine. To probe the role of B cells in biomaterial scaffold response, we evaluated the B cell response to biomaterial materials implanted in a muscle wound using a biological extracellular matrix (ECM), as a reference for a naturally derived material, and synthetic polyester polycaprolactone (PCL), as a reference for a synthetic material. In the local muscle tissue, small numbers of B cells are present in response to tissue injury and biomaterial implantation. The ECM materials induced mature B cells in lymph nodes and antigen presentation in the spleen. The synthetic PCL implants resulted in prolonged B cell presence in the wound and induced an antigen-presenting phenotype. In summary, the adaptive B cell immune response to biomaterial induces local, regional, and systemic immunological changes.
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