ArticleBiochimica et biophysica acta. Biomembranes2018
Protein 4.1N is required for the formation of the lateral membrane domain in human bronchial epithelial cells.
Article in Biochimica et biophysica acta. Biomembranes, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- βII spectrin (SPTBN1): biological function and clinical potential in cancer and other diseases.International journal of biological sciences · 2021Review
- 4.1N-Mediated Interactions and Functions in Nerve System and Cancer.Frontiers in molecular biosciences · 2021Review
- Identification and Functional Analysis of EPORJournal of immunology research · 2020Article
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Authors and funding
9 authors at 4 institutions in 2 countries.
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Abstract
The membrane skeleton forms a scaffold on the cytoplasmic side of the plasma membrane. The erythrocyte membrane represents an archetype of such structural organization. It has been documented that a similar membrane skeleton also exits in the Golgi complex. It has been previously shown that βII spectrin and ankyrin G are localized at the lateral membrane of human bronchial epithelial cells. Here we show that protein 4.1N is also located at the lateral membrane where it associates E-cadherin, β-catenin and βII spectrin. Importantly, depletion of 4.1N by RNAi in human bronchial epithelial cells resulted in decreased height of lateral membrane, which was reversed following re-expression of mouse 4.1N. Furthermore, although the initial phase of lateral membrane biogenesis proceeded normally in 4.1N-depleted cells, the final height of the lateral membrane of 4.1N-depleted cells was shorter compared to that of control cells. Our findings together with previous findings imply that 4.1N, βII spectrin and ankyrin G are structural components of the lateral membrane skeleton and that this skeleton plays an essential role in the assembly of a fully functional lateral membrane.
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