indirect immunofluorescence: 1.2-2.5 μg/mL using paraformaldehyde fixed HEK-293T cells western blot (chemiluminescent): 0.5-1 μg/mL using lysates of HEK-293T cells
Paraspeckle protein 1 (PSP1/ PSPC1) has two isoforms, α and β. PSPC1 belongs to the Drosophila melanogaster behavior, human splicing (DBHS) protein family.
Application
Anti-PSPC1 (N-terminal) antibody produced in rabbit may be used in several immunochemical techniques including immunoblotting (~59 kDa) and immunofluorescence. It has also been used in RNA immunoprecipitation (RIP) experiment.
Biochem/physiol Actions
Paraspeckle protein 1(PSP1/ PSPC1) is implicated in the regulation of nuclear receptors such as the progesterone receptor and the thyroid receptor, and in a wide range of processes such as transcription, splicing, and RNA metabolism. It acts as a marker for paraspeckles, which are ribonucleoprotein bodies found in the interchromatin space of mammalian cell nuclei that are often located adjacent to splicing speckles.
Physical form
Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.
Disclaimer
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.
Paraspeckles are nuclear bodies form around the long non-coding RNA, Neat1, and RNA-binding proteins. While their role is not fully understood, they are believed to control gene expression at a post-transcriptional level by means of the nuclear retention of mRNA
P54nrb forms a heterodimer with PSP1 that localizes to paraspeckles in an RNA-dependent manner
Fox AH, et al.
Molecular Biology of the Cell, 16(11), 5304-5315 (2005)
The Journal of biological chemistry, 298(11), 102563-102563 (2022-10-10)
RNA-binding proteins of the DBHS (Drosophila Behavior Human Splicing) family, NONO, SFPQ, and PSPC1 have numerous roles in genome stability and transcriptional and posttranscriptional regulation. Critical to DBHS activity is their recruitment to distinct subnuclear locations, for example, paraspeckle condensates
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