Résumé
If cardiac sympathetic activity increases after myocardial injury, a ventricular electrical storm (VES) may occur. The stellate ganglion block is a minimally invasive technique performed to control VES through temporary sympathetic cessation. This case was treated after 3 stellate ganglion blocks in VES developed after non-ST elevation myocardial infarction. This patient underwent prophylactic stellate ganglion block prior to radical nephrectomy for a renal mass found during hospitalization, and the operation was safely completed. Stellate ganglion block is expected to be a safe treatment option for patients with unstable VES.
Résumé
Tumor associated microtubule associated protein (TMAP), also known as cytoskeleton associated protein 2 (CKAP2) is a mitotic spindle-associated protein whose expression is cell cycle-regulated and also frequently deregulated in cancer cells. Two monoclonal antibodies (mAbs) against TMAP/CKAP2 were produced: B-1-13 and D-12-3. Interestingly, the reactivity of mAb D-12-3 to TMAP/CKAP2 was markedly decreased specifically in mitotic cell lysate. The epitope mapping study showed that mAb D-12-3 recognizes the amino acid sequence between 569 and 625 and that phosphorylation at T596 completely abolishes the reactivity of the antibody, suggesting that the differential reactivity originates from the phosphorylation status at T596. Immunofluorescence staining showed that mAb D-12-3 fails to detect TMAP/CKAP2 in mitotic cells between prophase and metaphase, but the staining becomes evident again in anaphase, suggesting that phosphorylation at T596 occurs transiently during early phases of mitosis. These results suggest that the cellular functions of TMAP/CKAP2 might be regulated by timely phosphorylation and dephosphorylation during the course of mitosis.