胶质纤维酸性蛋白重组兔单抗

Rrmab®兔单抗
2026-01-04~2026-02-28,RR26012026-01-04~2026-02-28,TR
胶质纤维酸性蛋白重组兔单抗
货号:bsm-52254R
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概述

产品编号
bsm-52254R
产品类型
重组兔单抗、mIHC精品抗体
英文名称
GFAP Recombinant Rabbit mAb
中文名称
胶质纤维酸性蛋白重组兔单抗
英文别名
ALXDRD; GFAP_BOVIN; GFAP; GFAP_HUMAN; GFAP_MOUSE;
抗体来源
Rabbit
免疫原
A synthesized peptide derived from human GFAP: 1-41
亚型
IgG
性状
Liquid
纯化方法
affinity purified by Protein A
克隆类型
Recombinant
克隆号
3F4
理论分子量
48 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 GFAP Rabbit pAb

6 ml

RTU

2-8

6

二抗HRP-Goat anti-Rabbit IgG pAb

6 ml

RTU

2-8

7

DAB kit20×)显色液

0.3 ml

RTU

-20℃

8

DAB kit(20×)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

对照大鼠脑

1

RTU

室温

12

说明书

1


背景

GFAP (Glial fibrillary acidic protein) is a member of the class III intermediate filament protein family. GFAP is heavily and specifically expressed in astrocytes and certain astroglia of the central nervous system, in satellite cells of peripheral ganglia, and in non-myelinating Schwann cells of peripheral nerves. In addition, neural stem cells strongly express GFAP. Antibodies to GFAP are very useful as markers of astrocytic cells. In addition, many types of brain tumor, presumably derived from astrocytic cells, heavily express GFAP. GFAP is also found in the lens epithelium, Kupffer cells of the liver, in some cells in salivary tumors and has been reported in erythrocytes. GFAP is used as a marker to distinguish astrocytes from other glial cells during development. Mutations in this gene cause Alexander disease, a rare disorder of astrocytes in the central nervous system. Alternative splicing of the GFAP gene results in multiple transcript variants encoding distinct isoforms.



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GFAP兔多抗工作液(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 "IHC0101R, Bioss Antibodies"。引用示例: Rat tissue sections using Rat GFAP IHC Kit (IHC0101R, Bioss Antibodies) were stained for GFAP according to the manufacturer's instructions.”

背景资料
This gene encodes one of the major intermediate filament proteins of mature astrocytes. It is used as a marker to distinguish astrocytes from other glial cells during development. Mutations in this gene cause Alexander disease, a rare disorder of astrocytes in the central nervous system. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Oct 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
WBHuman, Mouse, Rat1:1000-50000
IHC-PHuman, Mouse, Rat1:100-500
IHC-FHuman, Mouse, Rat1:100-500
IFHuman, Mouse, Rat1:100-500

交叉反应

交叉反应: Human, Mouse, Rat

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靶标

基因名
GFAP
蛋白名
Glial fibrillary acidic protein
亚基
Interacts with SYNM. Isoform 3 interacts with PSEN1 (via N-terminus).
亚细胞定位
Cytoplasm. Note=Associated with intermediate filaments.
组织特异性
Expressed in cells lacking fibronectin.
翻译后修饰
Phosphorylated by PKN1.
疾病
Defects in GFAP are a cause of Alexander disease (ALEXD) [MIM:203450]. Alexander disease is a rare disorder of the central nervous system. It is a progressive leukoencephalopathy whose hallmark is the widespread accumulation of Rosenthal fibers which are cytoplasmic inclusions in astrocytes. The most common form affects infants and young children, and is characterized by progressive failure of central myelination, usually leading to death usually within the first decade. Infants with Alexander disease develop a leukoencephalopathy with macrocephaly, seizures, and psychomotor retardation. Patients with juvenile or adult forms typically experience ataxia, bulbar signs and spasticity, and a more slowly progressive course.
相似性
Belongs to the intermediate filament family.
功能
GFAP, a class-III intermediate filament, is a cell-specific marker that, during the development of the central nervous system, distinguishes astrocytes from other glial cells.

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具体参考文献:bsm-52254R 被引用于7文献中

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