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Commit 0897baca authored by Liliana Sanfilippo's avatar Liliana Sanfilippo
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<p>The CFBE41o- cell line, derived from bronchial epithelial cells of a one-year-old cystic fibrosis patient, serves as a vital model for studying cystic fibrosis. These cells closely mimic the physiological environment of the airway epithelium, allowing for more accurate studies on how CFTR mutations affect cell function and response to treatments. They were immortalized through calcium-phosphate-mediated transfection using a replication-defective pSVori plasmid that carries the simian virus 40 large T-antigen (SV40-LT). The plasmid's defective origin of replication prevents viral propagation, thus preserving essential physiological characteristics of the cells while enabling them to develop differentiated morphologies. CFBE41o- cells are homozygous for the F508del-CFTR mutation [1]. We are happy we got this cell line with permission from Prof. Dr. Zoya Ignatova, who is leader of a working group at the Institute for Biochemistry and Molecular Biology of Hamburg University and an iGEM supporter since a long time [6]. </p>
<H4 text="Human nasal epithelial cells (hNECs)"></H4>
<p>Human nasal epithelial cells were obtained by nasal brushing, a minimally invasive method. These cells function/act as primary cultures. Cultivated in air-liquid interface (ALI) cultures and apical-out airway organoids (AOAO), they serve as a suitable model to visualise the functional epithelium of the airways in a differentiated form. The in vivo aspects of an airway disease, such as CF, can be modelled using donors with those airway diseases (5) This model is therefore particularly suitable for testing our prime editing complex. </p>
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<figcaption> <b>Figure 4. </b> ALI cultures of hNECs: The active cilia beat frequency of differentiated human nasal epithelial cells (hNECs) in air-liquid interface (ALI) culture is visible. This ciliary movement is crucial for mucociliary transport, which contributes to the clearance of particles and pathogens in the respiratory tract. </figcaption>
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<figcaption> <b>Figure 5. </b> Apical-Out Airway Organoid (AOAO) culture: Visible apical-out airway organoids in action. These 3D structures, which mimic the airway epithelium, allow detailed study of cellular processes such as mucociliary transport and secretory activities, in which cilia and vesicles play a key role. </figcaption>
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