细胞角蛋白7重组兔单抗

Rrmab®兔单抗
2026-01-04~2026-02-28,RR26012026-01-04~2026-02-28,TR
细胞角蛋白7重组兔单抗
货号:bsm-52065R
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概述

产品编号
bsm-52065R
产品类型
重组兔单抗、病理级抗体、mIHC精品抗体
英文名称
CK7 Recombinant Rabbit mAb
中文名称
细胞角蛋白7重组兔单抗
英文别名
CK7; K2C7; K7; SCL; K2C7_HUMAN; KRT7; Cytokeratin-7 (CK-7); Keratin-7 (K7); Sarcolectin; Type-II keratin Kb7;
抗体来源
Rabbit
免疫原
A synthesized peptide derived from human Cytokeratin 7: 250-469
亚型
IgG
性状
Liquid
纯化方法
affinity purified by Protein A
克隆类型
Recombinant
克隆号
6E6
理论分子量
54 kDa
浓度
1mg/ml
储存液
0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.
SWISS
Gene ID
保存条件
Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles.
注意事项
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
产品介绍

产品组分及规格

编号

组分

规格

浓度

储存

1

PBS缓冲液干粉

2 L×2

20x

室温

2

抗原修复缓冲液

20 ml

100x

2-8

3

内源性过氧化物酶阻断剂

3 ml

RTU

2-8

4

封闭工作液

3 ml

RTU

2-8

5

一抗Vimentin Mouse mAb

6 ml

RTU

2-8

6

二抗HRP-Goat anti-Mouse IgG pAb

6 ml

RTU

2-8

7

DAB kit20×)显色液

0.3 ml

RTU

-20℃

8

DAB kit20×)稀释液

0.3 ml

RTU

-20

9

复染试剂

5 ml

RTU

室温

10

封片剂

5 ml

RTU

室温

11

对照人宫颈癌

1

RTU

室温

12

说明书

1


背景

Vimentin is a developmentally regulated intermediate filament protein (IFP) found in cells of mesenchymal origin. It is believed to be involved with the intracellular transport of proteins between the nucleus and plasma membrane. Unlike other IFP proteins, vimentin is expressed, along with desmin, during the early stages of cellular development. During the development process, vimentin is exchanged for new, tissue-specific IFPs. Vimentin has been implicated to be involved in the rate of steroid synthesis via its role as a storage network for steroidogenic cholesterol containing lipid droplets. Vimentin phosphorylation by a protein kinase causes the breakdown of intermediate filaments and activation of an ATP and myosin light chain dependent contractile event. This results in cytoskeletal changes that facilitate the interaction of the lipid droplets within mitochondria, and subsequent transport of cholesterol to the organelles leading to an increase in steroid synthesis.


石蜡包埋组织的免疫组织化学方案

1. 脱蜡水化

石蜡切片置于新鲜二甲苯中浸泡脱蜡3次,每次15 min;依次置于不同浓度(100%95%90%80%70%)乙醇浸泡5 min,再置于蒸馏水洗涤5 min,重复3次。

2. 抗原修复

沸水浴修复:将100×抗原修复缓冲液(试剂2用蒸馏水稀释成抗原修复缓冲液,放入修复盒中并提前加热至95-100℃(注意盖好以防液体蒸发),然后将切片放入修复盒中,在沸水浴环境中保持外沸状态15 min,室温自然冷却;用PBS缓冲液(试剂1,将干粉溶解在2L蒸馏水中)清洗5 min,重复3次。

3. 阻断内源性过氧化物酶

用吸水纸吸去玻片上多余的液体,用免疫组化笔在组织周围画圈,加入2-4内源性过氧化物酶阻断剂(试剂3,室温下置于湿盒中孵育15 min,用PBS洗涤5 min,重复3次。

4. 血清封闭

用吸水纸吸去玻片上多余的液体,加入2-4封闭工作液(试剂4,置于湿盒内37℃封闭20 min,以减少非特异性染色。

5. 一抗孵育

用吸水纸吸去玻片上多余的液体,加入2-4Vimentin鼠单抗工作液(试剂5,置于湿盒中,4℃孵育过夜或37℃孵育1-2 h

6. 复温

4℃孵育过夜后,室温下复温15 min (若在室温下孵育一抗,则直接进入下一步清洗);用PBS洗涤5 min,重复3次。

7. 二抗孵育

用吸水纸吸玻片上多余的液体,加入2-4HRP标记羊抗鼠IgG工作液(试剂6,置于湿盒中,37℃孵育1-2 h;用PBS洗涤5 min,重复3

8. 显色

用吸水纸吸去玻片上多余的液体,在每张切片上滴加约50 μL新配制的DAB工作液(试剂7:试剂8:PBS=1:1:18,作用3-5 min。显微镜下观察结果,达到合适的显色强度后,用蒸馏水冲洗切片以终止反应,用蒸馏水冲洗5 min,重复3次。

9. 复染

滴加适量复染试剂(试剂9复染3-5 min,蒸馏水冲洗5 min,滴加盐酸酒精分化约30 s,蒸馏水洗涤5 min,重复2次。

10. 脱水封片

将玻片依次置于不同浓度(70%80%90%95%100%)乙醇,各5 min;然后置于新鲜二甲苯中浸泡脱蜡3,每次15 min。用吸水纸吸去多余的二甲苯,滴加适量封片剂(试剂10在组织上,将盖玻片盖在组织上,避免产生气泡。


注意事项

1. 建议检测时进行阴性及阳性对照,以提高实验的可靠性。

2. 本品中的配套试剂,请不要用其他生产商产品替换使用。

3. DAB为致癌物质,请采取必要的防范措施。

4. PBS洗涤液(试剂1)配制后在4℃可保存一周;抗原修复液(试剂2)及显色剂(试剂78)的工作液需每次实验时现用现配。

*5. 发表论文时引用本产品的写作建议 "IHC0113, Bioss Antibodies"。引用示例: Tissue sections using Vimentin IHC Kit (IHC0113, Bioss Antibodies) were stained for Vimentin according to the manufacturer's instructions.”

背景资料
The protein encoded by this gene is a member of the keratin gene family. The type II cytokeratins consist of basic or neutral proteins which are arranged in pairs of heterotypic keratin chains coexpressed during differentiation of simple and stratified epithelial tissues. This type II cytokeratin is specifically expressed in the simple epithelia lining the cavities of the internal organs and in the gland ducts and blood vessels. The genes encoding the type II cytokeratins are clustered in a region of chromosome 12q12-q13. Alternative splicing may result in several transcript variants; however, not all variants have been fully described. [provided by RefSeq, Jul 2008]
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产品应用

应用已检合格种属预测种属推荐稀释比例
WBMouse, RatHuman1:500-2000
IHC-PHuman, Mouse, Rat1:100-500
IHC-FHuman, Mouse, Rat1:100-500
IFHuman, Mouse, Rat1:100-500
Flow-CytHumanMouse, Rat1:50-100
ICC/IFHuman, Mouse, Rat1:50-200

交叉反应

交叉反应: Human, Mouse, Rat

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靶标

基因名
KRT7
蛋白名
Keratin, type II cytoskeletal 7
亚基
Heterotetramer of two type I and two type II keratins. Interacts with eukaryotic translation initiator factor 3 (eIF3) subunit EIF3S10 and with HPV16 E7.
亚细胞定位
Cytoplasm.
组织特异性
Expressed in cultured epidermal, bronchial and mesothelial cells but absent in colon, ectocervix and liver. Observed throughout the glandular cells in the junction between stomach and esophagus but is absent in the esophagus.
翻译后修饰
Arg-20 is dimethylated, probably to asymmetric dimethylarginine.
相似性
Belongs to the intermediate filament family.
功能
Blocks interferon-dependent interphase and stimulates DNA synthesis in cells. Involved in the translational regulation of the human papillomavirus type 16 E7 mRNA (HPV16 E7).

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