推荐产品
生物来源
rabbit
偶联物
unconjugated
抗体形式
affinity isolated antibody
抗体产品类型
primary antibodies
克隆
polyclonal
产品线
Prestige Antibodies® Powered by Atlas Antibodies
表单
buffered aqueous glycerol solution
种属反应性
human, mouse, rat
技术
immunoblotting: 0.04-0.4 μg/mL
immunofluorescence: 0.25-2 μg/mL
immunohistochemistry: 1:200-1:500
免疫原序列
FEELGKQIQQYMKIISSFKNKEDQYDHLDAADMTKVEKSTNEAMEWMNNKLNLQNKQSLTMDPVVKSKEIEAKIKELTSTCSPIISKPKPKVEPPKEEQKNAEQNGPVDG
UniProt登记号
运输
wet ice
储存温度
−20°C
靶向翻译后修饰
unmodified
基因信息
human ... HSPA4(3308)
一般描述
HSPA4 (heat shock protein family A (Hsp70) member 4) is a chaperone protein with an activity similar to that of Hsp110, and thus, is considered to be a member of the hsp110 protein family. It is a cytoplasmic protein and is composed of a nucleotide-binding domain (NBD) and a peptide-binding domain (PBD) intervened by a flexible linker region. In adult mouse tissues, HSPA4 mRNA has a wide range of expression with the highest expression in spleen, ovary and testis.
免疫原
Heat shock 70 kDa protein 4 recombinant protein epitope signature tag (PrEST)
应用
Anti-HSPA4 antibody produced in rabbit, a Prestige Antibody, is developed and validated by the Human Protein Atlas (HPA) project . Each antibody is tested by immunohistochemistry against hundreds of normal and disease tissues. These images can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. The antibodies are also tested using immunofluorescence and western blotting. To view these protocols and other useful information about Prestige Antibodies and the HPA, visit sigma.com/prestige.
生化/生理作用
HSPA4 (heat shock protein family A (Hsp70) member 4) is up-regulated in breast, ovarian, pancreatic and colon cancers. It plays an essential role in the migration, invasiveness and transformation of cancer cells. It is a candidate cancer stem cells (CSCs) marker for gastric cancer. This protein is induced in response to radioactive and acidic pH stress, and is up-regulated in HCC (hepatocellular carcinoma). This protein is up-regulated by NBS1 protein, which is elevated in the chromosomal-instability syndrome called Nijmegen breakage syndrome (NBS). This protein plays a critical role in normal spermatogenesis. The over-expression of HSPA4 is related with poor prognosis in HBV (hepatitis B virus)-associated early-stage HCC.
特点和优势
Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.
Every Prestige Antibody is tested in the following ways:
Every Prestige Antibody is tested in the following ways:
- IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
- Protein array of 364 human recombinant protein fragments.
联系
Corresponding Antigen APREST71595
外形
Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide
法律信息
Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany
免责声明
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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储存分类代码
10 - Combustible liquids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
Zongguo Yang et al.
International journal of medical sciences, 12(3), 256-263 (2015-03-24)
Heat shock proteins (HSPs) are overexpressed in human hepatocellular carcinoma (HCC) tissue and correlate with aggressiveness and prognosis of HCC. Using the GSE14520 microarray expression profile from Gene Expression Omnibus, we compared HSP gene expression between tumour and non-tumour tissues
Torsten Held et al.
Reproduction (Cambridge, England), 142(1), 133-144 (2011-04-14)
Heat-shock protein 110 (HSP110) family members act as nucleotide exchange factors (NEF) of mammalian and yeast HSP70 chaperones during the ATP hydrolysis cycle. In this study, we describe the expression pattern of murine HSPA4, a member of the HSP110 family
Florian Bourdeaux et al.
Scientific reports, 10(1), 13297-13297 (2020-08-09)
In bioengineering, scaffold proteins have been increasingly used to recruit molecules to parts of a cell, or to enhance the efficacy of biosynthetic or signalling pathways. For example, scaffolds can be used to make weak or non-immunogenic small molecules immunogenic
Chung-Yin Wu et al.
Journal of biomedical science, 18, 1-1 (2011-01-07)
Nijmegen breakage syndrome (NBS) is a chromosomal-instability syndrome associated with cancer predisposition, radiosensitivity, microcephaly, and growth retardation. The NBS gene product, NBS1 (p95) or nibrin, is a part of the MRN complex, a central player associated with double-strand break (DSB)
Tamami Morisaki et al.
PloS one, 9(11), e110736-e110736 (2014-11-08)
Cancer stem cells (CSCs) are responsible for cancer progression, metastasis, and recurrence. To date, the specific markers of CSCs remain undiscovered. The aim of this study was to identify novel biomarkers of gastric CSCs for clinical diagnosis using proteomics technology.
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