Christina Abrahamsberg

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In skeletal muscle, the cytolinker plectin is prominently expressed at Z-disks and the sarcolemma. Alternative splicing of plectin transcripts gives rise to more than eight protein isoforms differing only in small N-terminal sequences (5-180 residues), four of which (plectins 1, 1b, 1d, and 1f) are found at substantial levels in muscle tissue. Using plectin(More)
Plectin is a versatile intermediate filament (IF)-bound cytolinker protein with a variety of differentially spliced isoforms accounting for its multiple functions. One particular isoform, plectin 1b (P1b), remains associated with mitochondria after biochemical fractionation of fibroblasts and cells expressing exogenous P1b. Here, we determined that P1b is(More)
Plectin, a typical cytolinker protein, is essential for skin and skeletal muscle integrity. It stabilizes cells mechanically, regulates cytoskeleton dynamics, and serves as a scaffolding platform for signaling molecules. A variety of isoforms expressed in different tissues and cell types account for this versatility. To uncover the role of plectin 1, the(More)
The large family of human rhinoviruses, the main causative agents of the common cold, is divided into the major and the minor group based on receptor specificity. Major group viruses attach to intercellular adhesion molecule 1 (ICAM-1), a member of the immunoglobulin superfamily, whereas minor group viruses use low-density lipoprotein receptors (LDLR) for(More)
Plectin is a large cytoskeletal linker protein expressed as several different isoforms from a highly complex gene. This transcript diversity is mainly caused by short 5'-sequences contained in alternative first exons. To elucidate the influence of these sequence differences and to determine potential differential functionality of the resulting protein(More)
Soluble human low density lipoprotein minireceptors with less than seven ligand binding repeats (as are present in the native membrane receptor) were expressed in Sf9 insect cells with a hexa-His tag fused to the C terminus. The recombinant truncated proteins were affinity purified from the tissue culture supernatants by Ni-NTA column chromatography.(More)
PURPOSE To determine the optimum dosage and instillation time for water-soluble polyvinylpyrrolidone (PVP)-hypericin for photodynamic diagnosis of bladder cancer and to monitor its use in regard to patient safety. PATIENTS AND METHODS Forty patients with a cystoscopically suspected bladder neoplasm were enrolled in this prospective phase IIA study.(More)
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