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Analysis of NUP98 Gene Rearrangement by Southern Blot Technology (CAT#: STEM-MHT-0039-LGZ)

Introduction

Official Full Name: nucleoporin 98 and 96 precursor
Also known as: ADIR2; NUP96; NUP196; Nup98-96
Nuclear pore complexes (NPCs) are complexes that regulate the transport of macromolecules between the nucleus and cytoplasm, and consist of many polypeptide subunits, many of which belong to the nucleoporin family. This gene belongs to the nucleoporin gene family and encodes a 186 kDa precursor protein, which undergoes autoproteolytic cleavage to produce a 98 kDa nucleoporin and a 96 kDa nucleoporin. The 98 kDa nucleoporin contains a glly-leu-ph-gly (GLGF) repeat domain and is involved in many cellular processes, including nuclear import, nuclear export, mitotic processes, and regulation of gene expression. 96kda nucleoporin is a scaffold component of nasopharyngeal carcinoma. Proteolytic cleavage is important for protein targeting to NPC. Translocations between this gene and many other partner genes have been observed in different leukemias. Rearrangements often result in mosaicism of the n-terminal GLGF domain of this gene with the c-terminus of the partner gene. Alternative splicing results in multiple transcript variants encoding different isoforms, at least two of which are proteolytically processed. Some variants lack the region encoding the 96 kda nucleoporin.




Principle

Under certain conditions, two single strands of nucleic acid with certain homology can be specifically hybridized to form double strands according to the principle of base complementarity. Generally, DNA molecules to be detected are digested with restriction enzymes, separated by agar-gel electrophoresis, denatured and transferred to nitrocellulocellulose film or nylon film or other solid phase support according to their position in the gel, fixed and then reacted with DNA probes labeled with isotopes or other markers. This is followed by autoradiography or an enzyme reaction to detect the amount of specific DNA molecules. If the object to be tested contains a sequence that is complementary to the probe, the two are combined by the principle of base complementarity, and the free probe is washed and detected by self-development or other suitable techniques, thus revealing the fragment to be tested and its relative size.

Applications

Gene Rearrangement Detection

Procedure

1. Sample Processing
2. DNA Extraction and Digestion
3. Gel Electrophoresis
4. Gel Pretreatment
5. Transfer membrane
6. Probe Labeling
7. Prehybridization (blocking)
8. Southern hybridization
9. Membrane washing
10. Autoradiographic Assay
11. Results Analysis

Materials

Sample: DNA, Bacterial Fluid/Tissue/Cell
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