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Immunofluorescent staining of pdx-1 in mouse islet cells using PA3-830 and counterstaining (merge) with insulin. The PA3-830 antibody recognizes both cytoplasmic and nuclear proteins. Formalin-fixed tissues can cause high background, so counterstaining with another antibody which is mainly expressed in the cytoplasm (i.e. insulin) is recommended.
|Tested species reactivity||Human , Mouse|
|Published species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Synthetic Peptide: Q(21) R G P A P E F S A S P P A C(35)|
|Storage buffer||whole serum|
|Contains||0.05% sodium azide|
|Storage Conditions||-20° C, Avoid Freeze/Thaw Cycles|
|Tested Applications||Dilution *|
|Western Blot (WB)||1:3,000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
|Immunohistochemistry (IHC)||See 1 publications below|
PA3-830 detects human and mouse pdx-1 alpha and shows no cross-reactivity to other pdx isoforms.
PA3-830 has been successfully used in Western blot, immunohistochemical, and immunofluorescence procedures. By Western blot, this antibody detects an ~35 kDa protein.
PA3-830 immunogen is a KLH conjugated synthetic peptide corresponding to amino acid residues 21-35 from human pdx-1 protein. This antibody is generated against the N-terminal portion of the protein, while PA3-831 is C-terminal.
The PA3-830 antibody recognizes both cytoplasmic and nuclear proteins. Formalin-fixed tissues can cause high background, so counterstaining with another antibody which is mainly expressed in the cytoplasm (i.e. insulin) is recommended.
pdx-1 (pancreas duodenum homeobox-1, also known as IPF-1, IDX-1, and STF-1) is a transcription factor that has been shown to activate insulin, glucokinase, IAPP, and somatostatin gene transcription. Significant interest surrounds this proteins glucose-dependent regulation of insulin gene transcription.
Additionally, pdx-1 has been studied for its role in pancreatic development which includes maturation and differentiation of pancreatic precursor cells. Mutations in the pdx-1 gene have been shown to cause pancreatic agenesis, maturity-onset diabetes of the young, and type II diabetes.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Tissue MicroArray analyses of pancreatic duodenal homeobox-1 in human cancers.
PA3-830 was used in immunohistochemistry to investigate the expression of PDX-1 in human cancers through tissue microarray analyses
|Wang XP,Li ZJ,Magnusson J,Brunicardi FC||World journal of surgery (29:334)||2005|
pdx-1, PDX-1, IDX-1, IUF1, STF-1, Mody4, Ipf1, IPF1, IPF-1, MODY4, GSF
IPF-1, IUF-1, glucose-sensitive factor, insulin promoter factor 1, homeodomain transcription factor, insulin upstream factor 1, islet/duodenum homeobox-1, pancreas/duodenum homeobox protein 1, pancreatic-duodenal homeobox factor 1, somatostatin transcription factor 1, somatostatin-transactivating factor 1, islet/duodenum homeobox 1, pancreatic and duodenal homeobox gene 1, Pyruvate Dehydrogenase Complex Component-X, PDHX, E3BP, DLDBP, Pyruvate Dehydrogenase Complex Lipoyl-Containing Component X