13530144996
Collagenase Type 1 (CLS-1)
100mg
Worthington-biochem
LS004194
产品详情

 

Collagenase Type 1 (CLS-1)

货号:LS004194

品名:Collagenase Type 1 (CLS-1)

品牌:Worthington-biochem

规格:100mg

价格:请询价

货期:现货

关键词:

Worthington胶原酶Type1、原代细胞分离、胶原酶Type1应用、肝细胞分离、肺组织解离、脂肪细胞制备、肾上腺皮质细胞、酶活性平衡、科研试剂、细胞培养技术、生物制药原料、组织消化酶、流式细胞术兼容、受体完整性保护、复杂样本处理、冻干粉酶制剂、HBSS缓冲液、CaCl₂添加剂、细胞活性优化、Worthington生物化学

 

产品详情介绍

产品信息

货号:LS004194

CAS:9001.12.1

英文名:Collagenase Type 1  

中文名:胶原酶 Type 1  

品牌:Worthington-Biochem  

规格:100mg  

Collagenase Type 1 (CLS-1) 是由溶组织梭菌(Clostridium histolyticum)提取的粗制酶复合物,主要含有胶原酶、酪蛋白酶、梭菌蛋白酶及胰蛋白酶活性。其核心功能是通过特异性水解胶原蛋白的三螺旋结构(识别序列 Pro-X-Gly-Pro),降解细胞外基质中的胶原纤维,从而实现组织解离和原代细胞分离。CLS-1 的酶活性平衡设计使其适用于多种组织类型,包括上皮组织、肝脏、肺、脂肪和肾上腺等,广泛用于科研及生物制药领域的细胞制备。  

 

产品特点

1. 酶活性均衡:CLS-1 含有平均水平的胶原酶、酪蛋白酶、梭菌蛋白酶和胰蛋白酶活性,可协同作用分解复杂组织基质。  

2. 温和高效:相比其他胶原酶类型,CLS-1 对细胞膜蛋白损伤更小,适用于需保持受体完整性的实验。  

3. 广泛适用性:已验证成功用于肝细胞、肺泡细胞、脂肪细胞及肾上腺皮质细胞的分离。  

4. 稳定性佳:冻干粉形式在 2-8°C 下可稳定保存 1 年,复溶后建议分装冷冻以避免反复冻融。  

5. 兼容性强:可与 Hank's 平衡盐溶液(HBSS)、磷酸盐缓冲液(PBS)等常用缓冲液配合使用。  

 

储存条件

• 短期储存:2-8°C 避光保存,避免冷冻。  

• 长期储存:-20°C 冻存(复溶后需分装)。  

• 开封后:建议 30 天内用完,避免污染。  

 

工作原理

胶原酶通过水解胶原蛋白的三螺旋结构(Pro-X-Gly-Pro 序列)破坏细胞间连接,释放单细胞悬液。CLS-1 中的酪蛋白酶和梭菌蛋白酶进一步降解其他细胞外基质成分,而胰蛋白酶则辅助消化细胞间连接蛋白。此协同作用可显著提高组织解离效率,同时减少对细胞活性的影响。  

 

解决实验中哪些问题

1. 组织解离困难:针对肝脏、肺等富含胶原的组织,CLS-1 可高效分解纤维结构,释放完整细胞。  

2. 细胞活性保护:低胰蛋白酶活性设计减少细胞膜损伤,适用于需高存活率的实验。  

3. 受体完整性维持:避免过度消化对细胞表面受体的破坏,适用于受体功能研究。  

4. 复杂样本处理:兼容含血清或钙镁离子的缓冲液,无需预处理即可直接使用。  

 

使用方法

1. 酶溶液配制:  

   • 取 100mg CLS-1,溶于 10mL 含 1mM CaCl₂ 的 HBSS 中,终浓度 10mg/mL。  

   • 0.22μm 滤膜过滤除菌,分装后 -20°C 冻存。  

2. 组织处理:  

   • 将组织剪碎至 1-3mm³ 块状,用预冷 HBSS 洗涤 3 次。  

   • 加入酶溶液(组织:酶液 = 1:3),37°C 振荡消化(150-200rpm)。  

3. 消化时间优化:  

   • 肝脏:1-2 小时;肺:2-4 小时;脂肪:4-6 小时。  

   • 每 30 分钟取样观察,避免过度消化。  

4. 终止反应:  

   • 加入含 10% FBS 的培养基中和酶活性,离心(300×g, 5min)收集细胞。  

   • 重悬于培养基中,接种于培养皿。  

 

常见问题与解决方案

Q1:酶活性不足,组织未完全解离。  

• 原因:酶浓度过低或消化时间不足。  

• 解决:增加酶浓度至 15-20mg/mL,延长消化时间。  

Q2:细胞存活率低。  

• 原因:胰蛋白酶活性干扰或机械损伤。  

• 解决:添加 1mM EDTA 抑制金属蛋白酶,使用 Dounce 匀浆器替代振荡消化。  

Q3:消化后细胞团块残留。  

• 原因:胶原纤维未完全降解。  

• 解决:补充 0.5mg/mL 透明质酸酶,继续消化。  

Q4:酶溶液反复冻融后失活。  

• 原因:冰晶破坏酶结构。  

• 解决:分装为 1mL/管,避免反复冻融。  

 

客户群体

1. 科研机构:高校、研究所的细胞生物学实验室。  

2. 生物制药公司:用于药物筛选中的原代细胞模型构建。  

3. 临床诊断实验室:肿瘤组织样本的细胞分离(需符合当地法规)。  

4. 合同研发组织(CRO):提供标准化细胞制备服务。  

 

​购买疑问与解答

Q1:货期多久?  

• 答:现货 3-5 个工作日发货,定制批次需 2-4 周。  

Q2:保存期限为多久?  

• 答:未开封 1 年,开封后建议尽快用完。  

Q3:是否支持定制规格?  

• 答:可提供 1g、5g 等大包装,需提前 2 周预订。  

Q4:与其他品牌胶原酶有何区别?  

• 答:Worthington CLS-1 酶谱均衡,适用于多组织类型,而 Sigma 或 Gibco 产品可能侧重特定应用。  

 

免责声明

1. 本产品仅供科研使用,不可用于临床诊断或治疗。  

2. 实际效果可能因组织类型、处理条件差异而不同,建议预实验优化参数。  

3. 产品储存及操作不当可能导致活性损失,生产商不承担相关责任。  

关键词:Worthington胶原酶Type1、原代细胞分离、胶原酶Type1应用、肝细胞分离、肺组织解离、脂肪细胞制备、肾上腺皮质细胞、酶活性平衡、科研试剂、细胞培养技术、生物制药原料、组织消化酶、流式细胞术兼容、受体完整性保护、复杂样本处理、冻干粉酶制剂、HBSS缓冲液、CaCl₂添加剂、细胞活性优化、Worthington生物化学

(注:本文内容基于品牌公开资料及行业常规信息整理,具体以品牌信息文档为准。)

 

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1 gm

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10 gm

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10mg

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10 gm

Worthington-biochem

LK003153,,

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3bx

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250mg

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10mg

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5 vi

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5mg

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1 ku

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LS004326-100ku,,

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100 ku

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1vi

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250ku

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LS002512,,

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10 ku

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LS004206,CAS:9001.12.1,

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已经到最底了