S100B蛋白重组兔单抗

Rrmab®兔单抗
2026-01-04~2026-02-28,RR26012026-01-04~2026-02-28,TR
S100B蛋白重组兔单抗
货号:bsm-52506R
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概述

产品编号
bsm-52506R
产品类型
重组兔单抗
英文名称
S100B Recombinant Rabbit mAb
中文名称
S100B蛋白重组兔单抗
英文别名
NEF; S100; S100-B; S100beta; S100B_HUMAN; S100B; S-100 protein beta chain; S-100 protein subunit beta; S100 calcium-binding protein B;
抗体来源
Rabbit
免疫原
A synthesized peptide derived from human S100B: 50-92
亚型
IgG
性状
Liquid
纯化方法
affinity purified by Protein A
克隆类型
Recombinant
克隆号
26C3
理论分子量
10 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Rat S100B Mouse mAb

6 ml

RTU

2-8

6

二抗HRP-Goat anti-Mouse IgG pAb

6 ml

RTU

2-8

7

色原组分A

0.3 ml

RTU

-20℃

8

色原组分B

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

对照大鼠脑

1

RTU

室温

12

说明书

1


背景

S100B is a member of the S100 family of proteins containing 2 EF-hand calcium-binding motifs. S100 proteins are localized in the cytoplasm and/or nucleus of a wide range of cells and are involved in the regulation of a number of cellular processes such as cell cycle progression and differentiation. S100B may function in neurite extension, proliferation of melanoma cells, stimulation of Ca2+ fluxes, inhibition of PKC-mediated phosphorylation, astrocytosis and axonal proliferation, and inhibition of microtubule assembly. Chromosomal rearrangements and altered expression of this gene have been implicated in several diseases, including Alzheimer's disease, Down's syndrome, epilepsy, amyotrophic lateral sclerosis, melanoma, and type I diabetes.


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2-4大鼠S100B蛋白单克隆鼠单抗工作液(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 "IHC0110R, Bioss Antibodies"。引用示例: “Rat tissue sections using Rat S100B IHC Kit (IHC0110R, Bioss Antibodies) were stained for S100B according to the manufacturer's instructions.”

背景资料
S100 beta is a member of the S100 family of proteins containing 2 EF-hand calcium binding motifs. S100 proteins are localized in the cytoplasm and/or nucleus of a wide range of cells, and involved in the regulation of a number of cellular processes such as cell cycle progression and differentiation. S100 genes include at least 13 members which are located as a cluster on chromosome 1q21; however, this gene is located at 21q22.3. This protein may function in neurite extension, proliferation of melanoma cells, stimulation of Ca2+ fluxes, inhibition of PKC mediated phosphorylation, astrocytosis and axonal proliferation, and inhibition of microtubule assembly. Chromosomal rearrangements and altered expression of this gene have been implicated in several neurological, neoplastic, and other types of diseases, including Alzheimer's disease, Down's syndrome, epilepsy, amyotrophic lateral sclerosis, melanoma, and type I diabetes.
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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
WBHuman, Mouse, Rat1:500-2000
IHC-PHuman, Mouse, Rat1:50-200
IHC-FHuman, Mouse, Rat1:50-200
IFHuman, Mouse, Rat1:50-200
Flow-CytHumanMouse, Rat1:50-100
ICC/IFHumanMouse, Rat1:50-200

交叉反应

交叉反应: Human, Mouse, Rat

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靶标

基因名
S100B
蛋白名
Protein S100-B
亚基
Dimer of either two alpha chains, or two beta chains, or one alpha and one beta chain. The S100B dimer binds two molecules of STK38 (By similarity). The S100B dimer interacts with two molecules of CAPZA1.
亚细胞定位
Cytoplasm. Nucleus.
组织特异性
Although predominant among the water-soluble brain proteins, S100 is also found in a variety of other tissues.
相似性
Belongs to the S-101 family.
Contains 2 EF-hand domains.
功能
Weakly binds calcium but binds zinc very tightly-distinct binding sites with different affinities exist for both ions on each monomer. Physiological concentrations of potassium ion antagonize the binding of both divalent cations, especially affecting high-affinity calcium-binding sites. Binds to and initiates the activation of STK38 by releasing autoinhibitory intramolecular interactions within the kinase. Interaction with AGER after myocardial infarction may play a role in myocyte apoptosis by activating ERK1/2 and p53/TP53 signaling.

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