1. 诱导疾病模型产品 Immunology/Inflammation
  2. 免疫与炎症疾病模型 Toll-like Receptor (TLR)
  3. 关节炎模型 心肌炎模型
  4. Complete Freund's adjuvant (CFA)

Complete Freund's adjuvant (CFA)  (Synonyms: 弗氏完全佐剂)

目录号: HY-153808
COA 产品使用指南

Complete Freund's adjuvant (CFA) 是因发现者 Jules T. Freund 而获名的、与抗原乳化的免疫佐剂,用于增强动物对抗原 (antigen) 的免疫反应。Complete Freund's adjuvant (CFA) 也是 Th1 型免疫反应的诱导剂和 TLR 配体。Complete Freund's adjuvant (CFA) 包含热杀死的非活性化结核杆菌,并由石蜡油包水乳剂组成。Complete Freund's adjuvant (CFA) 刺激强烈且持久的免疫反应,可用于诱导小鼠的持续性炎症疼痛模型、实验性自身免疫性心肌炎 (EAM) 模型等。Incomplete Freund's adjuvant (IFA) (HY-153808A) 是 Freund's Adjuvant 的另一种类型,刺激的免疫反应较弱。

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Complete Freund's adjuvant (CFA) Chemical Structure

Complete Freund's adjuvant (CFA) Chemical Structure

CAS No. : 9007-81-2

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查看 Toll-like Receptor (TLR) 亚型特异性产品:

  • 生物活性

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  • 参考文献

生物活性

Complete Freund's adjuvant (CFA) is an immunoadjuvant emulsified with antigen by its discoverer Jules T. Freund to enhance an animal's immune response to an antigen. Complete Freund's adjuvant (CFA) is also an inducer of the Th1 immune response and a ligand of TLRs. Complete Freund's adjuvant (CFA) contains heat-killed inactive tuberculosis bacilli and consists of a paraffin oil-in-water emulsion. Complete Freund's adjuvant (CFA) stimulates a strong and durable immune response and can be used to induce persistent inflammatory pain models in mice, experimental autoimmune myocarditis (EAM) models, and more. Incomplete Freund's adjuvant (IFA) (HY-153808A) is another type of Freund's Adjuvant that stimulates a weaker immune response[1][2].

体外研究
(In Vitro)

Complete Freund's adjuvant (CFA) 含有多种微生物 TLR 配体 (如 TLR 2、4 和 9),是 Th1 型免疫反应的有效诱导剂[1]

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

Complete Freund's adjuvant (CFA) 可在 TLR 缺陷小鼠中引发针对 T 细胞依赖性抗原的强烈抗体反应,这是一种 T 细胞依赖性抗原特异性抗体反应[1]
Complete Freund's adjuvant (CFA) 与肌球蛋白或致心肌肽乳化,皮下注射雄性小鼠 (两次注射,间隔 7 天),诱导实验性自身免疫性心肌炎 (EAM) 小鼠模型[1]
Complete Freund's adjuvant (CFA) 加甲状腺球蛋白可诱导甲状腺炎,而 Incomplete Freund's adjuvant (IFA) (HY-153808A) 不足以作为甲状腺病变的佐剂[1]
Complete Freund's adjuvant (CFA) 注射到 C57BL/6J 小鼠的后爪足底区域,诱导炎症性疼痛小鼠模型[2]
Complete Freund's adjuvant (CFA) 对侧注射可导致腹侧苍白球 (VP) 胆碱能 (ChAT) 系统的神经元的光遗传学抑制,并显着减少光抑制侧 VP 中 c-Fos 阳性神经元的数量[2]
Complete Freund's adjuvant (CFA) 在正常大鼠中的血浆清除率低 (22%)[4]。 Complete Freund's adjuvant (CFA) 的血浆清除率低 (22%)[4]
1. 诱导实验性自身免疫性心肌炎 (EAM)[1]
致病原理
Complete Freund's adjuvant (CFA) 通过激活免疫系统和增强抗原特异性免疫应答来诱导心肌炎。
具体造模方法
Mice: A/J, BALB/c, and IL6KO BALB/c • male • 6-8-week-old
Administration: 5mg/ml • s.c. • twice
Note
(1) 在第 0 天,所有小鼠给予 500 ng 百日咳毒素 (HY-112779) (i.p.)
(2) 第 0 天和第 7 天,小鼠皮下注射含有 5 mg/mL 结核分枝杆菌 H37Ra 菌株的 CFA 乳化肽。

造模成功指标
组织学分析: 通过组织学和相对心脏重量评估心肌炎严重程度。
分子变化: 检测血清中总IgG,IgG1,IgG2a 和 IgG2b水平,以及 IL-1b 和 IL6 的含量。

2. 诱导神经性疼痛[2][3]
致病原理
Complete Freund's adjuvant (CFA) 在体内释放的炎症介质 TNF-α 和 IL-6 可以激活周围神经末梢并作用于痛觉神经末梢,导致神经性疼痛[2][3]
具体造模方法
Mice: C57BL/6J • male • 8-week-old
Administration: 20 μl • s.c. • once
Note
(1) 在小鼠后爪足底区注射不稀释的完全弗氏佐剂 (CFA)。
(2) 检测注射 CFA 前及注射后 24、48、72 小时双后爪 PWT、PWL。

造模成功指标
行为观测:检测撤爪阈值 (PWT) 和爪子收缩潜伏期 (PWL)。
相关产品: Galantamine (HY-76299)
拮抗产品: Mecamylamine (HY-B1395A)

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: A/J, BALB/c, and IL6KO BALB/c male mice[1]
Dosage:
Administration: Subcutaneous Injectionon (sc); injected at days 0 and 7. EAM severity was analyzed by histology on day 21 (Repeated administration of CFA to animals can cause multiple injection-site effects, the most often observed are on site granulomas and pain)
Result: Increased the relative proportion of CD11b+F4/80−monocytes and CD11b+Gr1+ granulocytes.
Expanded monocytes in the heart and in the spleen and those monocytes in the spleen make less IL-10 as well as more IL-6.
CAS 号
性状

液体

颜色

Colorless to light yellow

中文名称

弗氏完全佐剂

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

纯度 & 产品资料

参考文献
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  • 稀释计算器

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量   浓度   体积   分子量 *
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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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