LMNB1 (Lamin B1, Lamin-B1, LMN2, LMNB)

Lamins are classified into A- and B- type isoforms. Specifically, four distinct lamin isoforms have been identified: A, B1, B2, and C. Lamin A and C are alternatively spliced products of a single gene, whereas lamin B1 and B2 are encoded by distinct genes. During mitosis, lamins are phosphorylated by p34cdc2 and solubilized prior to chromosome condensation and nuclear breakdown. A direct role for lamins in chromosome condensation is suggested by the fact that lamin B binds to specific DNA sequence motifs termed matrix attachment regions (MARs). Mars mediate the interaction of chromatin with the nuclear matrix. Importantly, some of the same processes that involve mitotic chromosome condensation and nuclear envelop breakdown are also activated during apoptosis. It appears that chromosome condensation during apoptosis is accompanied by degradation of lamin protein. Lamin degradation occurs prior to DNA fragmentation and this degradation is useful as an apoptotic marker.\n\nApplications:\nSuitable for use in Immunofluorescence, ELISA, Western Blot and Immunoprecipitation. Other applications not tested.\n\nRecommended Dilution:\nImmunofluorescence: 10-15ug/ml\nELISA: 0.2-1ug/ml\nWestern Blot: 0.5-2ug/ml\nImmunoprecipitation: 5ug/ml\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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