Human IL-4 protein, IL-4, 重组蛋白

重组人白介素4 (IL-4) 蛋白

产品名称：重组人白介素4 (IL-4) 蛋白 | 英文名称：Human IL-4 protein

货号：PRP1959 | 产品类型：细胞因子 | 产品分类：核心产品

产品概述

本产品为高纯度重组人白介素4（IL-4）蛋白，无标签修饰，通过大肠杆菌表达系统重组表达并纯化制备。该蛋白在细胞免疫调节及炎症反应研究中具有重要应用价值，适用于体外细胞培养、信号通路研究及免疫相关实验。

关键特性

• 种属来源：人源（Human）
• 表达系统：大肠杆菌
• 蛋白长度：全长蛋白
• 分子量：约 15.1 kDa
• 纯度：＞96%（SDS-PAGE 验证）
• 活性：经 TF-1 细胞增殖实验测定，ED₅₀ 典型值为 0.144 ng/mL，比活性 ≥ 6.94×10⁶ IU/mg
• 产品形态：冻干粉

生物活性说明

人白介素4（IL-4）是一种多功能细胞因子，在调节免疫应答和炎症过程中发挥核心作用。它可促进T细胞向Th2型分化，并参与B细胞的激活与增殖。本品经功能验证，具有良好的生物活性，适用于细胞培养与机制研究。

应用领域

• Th2细胞分化研究
• B细胞功能与抗体产生实验
• 炎症与免疫调节机制研究
• 细胞因子网络及信号通路分析

保存与运输

保存建议：产品应在-20°C避光保存，自收货日起有效期为12个月。

运输条件：冰袋（蓝冰）低温运输，保障蛋白稳定性。

规格与价格

规格	价格（元）	货期
5 µg	520	现货（次日发货）
20 µg	1498	现货（次日发货）
100 µg	3498	现货（次日发货）
1 mg	请咨询	请咨询

使用提示

本品为研究级产品，推荐在细胞实验前进行活性滴定，以确定最佳使用浓度。

注意事项

警告：本品仅供科研使用，不适用于人体或临床诊断。使用者应负责确保应用方式不侵犯任何专利或许可协议。对于因使用本产品所可能导致的专利侵权或其他违规行为，本公司不承担任何责任。

基因ID：3565 | UniProt ID：P05112

注意：以上信息可能随着产品优化升级等因素产生变动，具体信息请咨询亚科因公司。

Recombinant Human Interleukin-4 (IL-4) Protein

Product Name: Recombinant Human Interleukin-4 (IL-4) Protein | English Name: Human IL-4 protein

Catalog Number: PRP1959 | Product Type: Cytokine | Product Category: Core Product

Product Overview

This product is a high-purity recombinant human interleukin-4 (IL-4) protein, without tag modification, produced by recombinant expression in an E. coli system and purified. This protein has significant application value in research on cellular immune regulation and inflammatory responses, and is suitable for in vitro cell culture, signaling pathway studies, and immune-related experiments.

Key Features

• Species: Human
• Expression System: E. coli
• Protein Length: Full-length
• Molecular Weight: Approximately 15.1 kDa
• Purity: >96% (as determined by SDS-PAGE)
• Activity: Determined by TF-1 cell proliferation assay; typical ED₅₀ is 0.144 ng/mL; specific activity is ≥ 6.94×10⁶ IU/mg
• Form: Lyophilized powder

Biological Activity Description

Human Interleukin-4 (IL-4) is a multifunctional cytokine that plays a central role in regulating immune responses and inflammatory processes. It promotes the differentiation of T cells into Th2 cells and is involved in the activation and proliferation of B cells. This product has been functionally validated and exhibits good biological activity, making it suitable for cell culture and mechanism studies.

Application Fields

• Th2 cell differentiation research
• B cell function and antibody production experiments
• Inflammation and immune regulation mechanism studies
• Cytokine network and signaling pathway analysis

Storage and Shipping

Storage Recommendation: The product should be stored protected from light at -20°C. The shelf life is 12 months from the date of receipt.

Shipping Conditions: Shipped with ice packs (blue ice) to maintain protein stability.

Specifications and Pricing

Specification	Price (CNY)	Availability
5 µg	520	In stock (ships next day)
20 µg	1498	In stock (ships next day)
100 µg	3498	In stock (ships next day)
1 mg	Please inquire	Please inquire

Usage Notes

This is a research-grade product. It is recommended to perform activity titration prior to cell experiments to determine the optimal working concentration.

Precautions

Warning: This product is for research use only and is not intended for human or diagnostic use. The user is responsible for ensuring that the manner of use does not infringe any patents or license agreements. The company assumes no liability for patent infringement or other violations that may result from the use of this product.

Gene ID: 3565 | UniProt ID: P05112

Note: The above information is subject to change due to factors such as product optimization and upgrades. Please contact Yakoyin Company for specific details.