Mirjam Ketema

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The outer nuclear membrane proteins nesprin-1 and nesprin-2 are retained at the nuclear envelope through an interaction of their klarsicht/ANC-1/syne homology (KASH) domain with Sun proteins present at the inner nuclear membrane. We investigated the requirements for the localization of nesprin-3alpha at the outer nuclear membrane and show that the mechanism(More)
With the emergence of multidrug resistant (MDR) bacteria, it is imperative to develop new intervention strategies. Current antibiotics typically target pathogen rather than host-specific biochemical pathways. Here we have developed kinase inhibitors that prevent intracellular growth of unrelated pathogens such as Salmonella typhimurium and Mycobacterium(More)
The nucleus in eukaryotic cells can move within the cytoplasm, and its position is crucial for many cellular events, including migration and differentiation. Nuclear anchorage and movement can be achieved through association of outer nuclear membrane (ONM) proteins with the three cytoskeletal systems. Two decades ago studies described C. elegans mutants(More)
The outer nuclear membrane protein nesprin-3 binds the cytoskeletal linker protein plectin, which are proposed to anchor the intermediate filaments to the nuclear envelope. To investigate the function of nesprin-3 in vivo, we used the zebrafish as a vertebrate model system. Zebrafish nesprin-3 is expressed at the nuclear envelope of epidermal and skeletal(More)
The cytoskeleton is connected to the nuclear interior by LINC (linker of nucleoskeleton and cytoskeleton) complexes located in the nuclear envelope. These complexes consist of SUN proteins and nesprins present in the inner and outer nuclear membrane respectively. Whereas SUN proteins can bind the nuclear lamina, members of the nesprin protein family connect(More)
Nesprin-3 is a nuclear envelope protein that connects the nucleus to intermediate filaments by interacting with plectin. To investigate the role of nesprin-3 in the perinuclear localization of plectin, we generated nesprin-3-knockout mice and examined the effects of nesprin-3 deficiency in different cell types and tissues. Nesprin-3 and plectin are(More)
Epidermolysis bullosa simplex associated with late-onset muscular dystrophy (EBS-MD) is an autosomal recessive disorder resulting from mutations in the plectin gene. The majority of these mutations occur within the large exon 31 encoding the central rod domain and leave the production of a low-level rodless plectin splice variant unaffected. To investigate(More)
The chromosomal region, in which the GBA gene is located, is structurally subject to misalignments, reciprocal and nonreciprocal homologous recombination events, leading to structural defects such as deletions, duplications and gene-pseudogene complex rearrangements causing Gaucher Disease (GD). Interestingly deletions and duplications, belonging to the(More)
We present a case of orbital lipogranuloma with a supero-nasal retrobulbar localisation associated with axial proptosis and major choroidal thickening. No clinical sign of inflammation, neither orbital nor in the posterior segment, was revealed. The systemic work-up as well as paraclinical data were within normal limits. The diagnosis was made after(More)
PURPOSE To study the effect of preceding tenectomy of the medial rectus tendon on the results of medial rectus muscle recession. SUBJECTS AND METHODS Eighteen consecutive cases of incomitant esotropia were retrospectively reviewed. The average preoperative esotropia was 35 PD with an incomitant deviation between 10 PD and 30 PD. All patients underwent 7(More)
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