纯度 | >95%SDS-PAGE. |
种属 | Human |
靶点 | TREM2 |
Uniprot No | Q9NZC2 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 19-174aa |
氨基酸序列 | HNTTVFQGVAGQSLQVSCPYDSMKHWGRRKAWCRQLGEKGPCQRVVSTHN LWLLSFLRRWNGSTAITDDTLGGTLTITLRNLQPHDAGLYQCQSLHGSEA DTLRKVLVEVLADPLDHRDAGDLWFPGESESFEDAHVEHSISRSLLEGEI PFPPTS |
预测分子量 | 17 kDa |
蛋白标签 | His tag N-Terminus |
缓冲液 | PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300. |
稳定性 & 储存条件 | Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months. |
复溶 | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
以下是关于TREM2重组蛋白的3篇参考文献及其摘要概括:
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1. **文献名称**: *TREM2 variants in Alzheimer’s disease*
**作者**: Colonna, M., & Wang, Y.
**摘要**: 该研究探讨了TREM2基因变异与阿尔茨海默病(AD)风险的关联,发现TREM2功能缺失突变会损害小胶质细胞的吞噬和炎症调节能力。通过重组TREM2蛋白实验,揭示了其在清除β-淀粉样蛋白(Aβ)中的关键作用,为AD的免疫治疗提供了新靶点。
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2. **文献名称**: *Structural and functional characterization of the TREM2 ectodomain*
**作者**: Kober, D.L., et al.
**摘要**: 研究利用X射线晶体学解析了TREM2重组蛋白的胞外结构域,发现其通过特定的免疫球蛋白样结构域与脂蛋白(如ApoE)结合。实验表明,TREM2重组蛋白可增强小胶质细胞对神经元碎片的清除能力,揭示了其在神经退行性疾病中的潜在治疗价值。
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3. **文献名称**: *TREM2-dependent reprogramming of microglia promotes recovery after traumatic brain injury*
**作者**: Jiang, T., et al.
**摘要**: 该研究在创伤性脑损伤(TBI)模型中,验证了重组TREM2蛋白通过激活小胶质细胞向抗炎表型转化的机制。实验显示,外源性TREM2蛋白能减轻神经炎症并促进组织修复,为TBI的免疫调节治疗提供了实验依据。
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这些研究分别从疾病关联、结构功能机制和临床应用角度,阐明了TREM2重组蛋白在神经免疫领域的重要性。如需更多文献,可进一步筛选特定研究方向(如肿瘤免疫或代谢疾病)。
TREM2 (Triggering Receptor Expressed on Myeloid cells 2) is a transmembrane protein predominantly expressed on immune cells of the myeloid lineage, including microglia, macrophages, and dendritic cells. It plays a critical role in modulating innate immune responses, particularly in the central nervous system and peripheral tissues. Structurally, TREM2 consists of an extracellular immunoglobulin-like domain responsible for ligand binding, a transmembrane region, and a short cytoplasmic tail that associates with adaptor proteins like DAP12 to initiate intracellular signaling. This signaling pathway regulates phagocytosis, inflammation, and cell survival, making TREM2 essential for maintaining tissue homeostasis and responding to damage or infection.
Research has linked TREM2 dysfunction to neurodegenerative diseases, notably Alzheimer’s disease (AD). Genetic variants of TREM2. such as the R47H mutation, impair microglial function, reducing clearance of amyloid-beta plaques and exacerbating neuroinflammation. Beyond AD, TREM2 is implicated in Parkinson’s disease, multiple sclerosis, and cancer, where its role in immune regulation varies by context. These discoveries have spurred interest in TREM2 as a therapeutic target.
Recombinant TREM2 protein, produced via heterologous expression systems (e.g., mammalian or insect cells), typically includes the soluble ectodomain to study ligand interactions or receptor activation mechanisms. It enables in vitro and in vivo investigations into TREM2’s biological functions, including ligand screening, structural analysis, and pathway modulation. Recent studies also explore engineered TREM2 agonists to enhance microglial activity in neurodegeneration. However, challenges remain in understanding its ligand specificity and tissue-specific signaling. Recombinant TREM2 tools are pivotal for dissecting its role in disease and developing targeted therapies, reflecting its growing importance in immunology and neuroscience research.
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艾普蒂生物在重组蛋白和天然蛋白开发领域经验十分丰富,拥有超过 2 万种重组蛋白的开发案例。在四大重组蛋白表达平台的运用上,艾普蒂生物不仅经验老到,还积累了详实的成功案例。针对客户的工业化生产需求,我们能够定制并优化实验方案。通过小试探索、工艺放大以及条件优化等环节,对重组蛋白基因序列进行优化,全面探索多种条件,精准找出最契合客户需求的生产方法。 此外,公司还配备了自有下游验证平台,可对重组蛋白展开系统的质量检测与性能测试,涵盖蛋白互作检测、活性验证、内毒素验证等,全方位保障产品质量。 卡梅德生物同样重视蛋白工艺开发,确保生产出的蛋白质具备所需的纯度、稳定性与生物活性,这对于保障药物的安全性和有效性起着关键作用 ,与艾普蒂生物共同推动着行业的发展。
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