纯度 | >90%SDS-PAGE. |
种属 | Bovine |
靶点 | CATHL1 |
Uniprot No | P22226 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 144-155aa |
氨基酸序列 | RLCRIVVIRVCR |
预测分子量 | 30.4 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CATHL1重组蛋白的3篇参考文献示例(注:文献信息为模拟概括,实际文献需通过学术数据库检索确认):
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1. **文献名称**: *"Recombinant expression and antimicrobial activity of CATHL1 in a prokaryotic system"*
**作者**: Zhang Y. et al.
**摘要**: 研究报道了CATHL1在大肠杆菌中的重组表达及纯化,验证其对革兰氏阴性菌(如大肠杆菌和铜绿假单胞菌)的体外抑菌活性,揭示了其作为抗菌肽的潜在应用价值。
2. **文献名称**: *"Immunomodulatory effects of recombinant CATHL1 in macrophage responses"*
**作者**: Li H. et al.
**摘要**: 通过哺乳动物细胞表达系统获得重组CATHL1.发现其能显著促进巨噬细胞分泌促炎细胞因子(如TNF-α和IL-6),并增强吞噬功能,提示其在先天免疫中的调控作用。
3. **文献名称**: *"Structural and functional characterization of CATHL1-derived peptides for wound healing"*
**作者**: Wang X. et al.
**摘要**: 解析了重组CATHL1的α螺旋结构,并通过小鼠皮肤感染模型证明其可加速金黄色葡萄球菌感染伤口的愈合,机制涉及抗菌与促细胞迁移双重效应。
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**提示**:若需具体文献,建议在PubMed或Web of Science中以“CATHL1 recombinant protein”、“CATHL1 antimicrobial peptide”为关键词检索,或结合研究领域(如鱼类、哺乳动物等)缩小范围。部分研究可能以“cathelicidin”为关键词(如人源LL-37或猪源PR-39)。
CATHL1 (Cathelicidin Antimicrobial Peptide 1) is a member of the cathelicidin family, a class of evolutionarily conserved host defense peptides found in vertebrates. Primarily studied in non-human species such as pigs and cattle, CATHL1 is encoded by the CAMP gene and synthesized as an inactive precursor protein. This precursor consists of a conserved N-terminal cathelin domain and a C-terminal antimicrobial peptide that is proteolytically cleaved to release the mature, bioactive form. The active peptide exhibits amphipathic properties, enabling interactions with microbial membranes and intracellular targets.
Functionally, CATHL1 demonstrates broad-spectrum antimicrobial activity against bacteria, fungi, and enveloped viruses through membrane disruption and immunomodulatory effects. It enhances innate immunity by recruiting immune cells, modulating cytokine production, and promoting wound healing. Unlike human cathelicidin LL-37. CATHL1 variants from other species often show stronger antimicrobial potency, making them attractive candidates for developing novel anti-infective agents. Recent studies also suggest potential roles in cancer immunotherapy and autoimmune disease regulation due to its immunostimulatory and anti-inflammatory properties.
Recombinant CATHL1 production typically employs bacterial (E. coli) or mammalian expression systems, requiring optimization for proper folding and post-translational modifications. Its therapeutic applications face challenges including peptide stability, toxicity to mammalian cells, and high production costs. However, engineered analogs and delivery systems are being explored to enhance clinical applicability. As antibiotic resistance escalates, CATHL1-derived peptides represent promising alternatives for addressing multidrug-resistant pathogens while potentially modulating host immune responses in chronic diseases.
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