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Tetraspanin 33 (TSPAN33) regulates endocytosis and migration of human B lymphocytes by affecting the tension of the plasma membrane

Navarro‐Hernandez, Itze C. ; López‐Ortega, Orestes ; Acevedo‐Ochoa, Ernesto ; Cervantes‐Díaz, Rodrigo ; Romero‐Ramírez, Sandra ; Sosa‐Hernández, Víctor A. ; Meza‐Sánchez, David E. ; Juárez‐Vega, Guillermo ; Pérez‐Martínez, César A. ; Chávez‐Munguía, Bibiana ; Galván‐Hernández, Arturo ; Antillón, Armando ; Ortega‐Blake, Iván ; Santos‐Argumedo, Leopoldo ; Hernández‐Hernández, José M. ; Maravillas‐Montero, José L.

The FEBS journal, 2020-08, Vol.287 (16), p.3449-3471 [Periódico revisado por pares]

England: Blackwell Publishing Ltd

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Título:
Tetraspanin 33 (TSPAN33) regulates endocytosis and migration of human B lymphocytes by affecting the tension of the plasma membrane
Autor: Navarro‐Hernandez, Itze C. ; López‐Ortega, Orestes ; Acevedo‐Ochoa, Ernesto ; Cervantes‐Díaz, Rodrigo ; Romero‐Ramírez, Sandra ; Sosa‐Hernández, Víctor A. ; Meza‐Sánchez, David E. ; Juárez‐Vega, Guillermo ; Pérez‐Martínez, César A. ; Chávez‐Munguía, Bibiana ; Galván‐Hernández, Arturo ; Antillón, Armando ; Ortega‐Blake, Iván ; Santos‐Argumedo, Leopoldo ; Hernández‐Hernández, José M. ; Maravillas‐Montero, José L.
Assuntos: Adhesion ; Antibodies ; B lymphocyte ; B-Lymphocytes - metabolism ; B-Lymphocytes - ultrastructure ; Cell adhesion ; Cell adhesion & migration ; Cell Adhesion - genetics ; Cell differentiation ; Cell Line, Tumor ; Cell Membrane - metabolism ; Cell Movement - genetics ; Chemotaxis ; CRISPR-Cas Systems ; Cytoskeleton ; Endocytosis ; Endocytosis - genetics ; Fibronectin ; Gene Knockdown Techniques ; Golgi apparatus ; Green Fluorescent Proteins - genetics ; Green Fluorescent Proteins - metabolism ; Humans ; Integrins ; Leukocyte migration ; Leukocytes ; Lipids ; Localization ; Lymphocytes ; Lymphocytes B ; Mechanical properties ; Membrane proteins ; membrane tension ; Membranes ; Microscopy, Confocal ; Microscopy, Electron ; Phagocytes ; Phagocytosis ; Phagocytosis - genetics ; Phenotypes ; Plasma ; plasma membrane ; Proteins ; Signal processing ; Specialization ; Stress, Mechanical ; tetraspanin ; Tetraspanins - genetics ; Tetraspanins - metabolism
É parte de: The FEBS journal, 2020-08, Vol.287 (16), p.3449-3471
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: B lymphocytes are a leukocyte subset capable of developing several functions apart from differentiating into antibody‐secreting cells. These processes are triggered by external activation signals that induce changes in the plasma membrane properties, regulated by the formation of different lipid‐bilayer subdomains that are associated with the underlying cytoskeleton through different linker molecules, thus allowing the functional specialization of regions within the membrane. Among these, there are tetraspanin‐enriched domains. Tetraspanins constitute a superfamily of transmembrane proteins that establish lateral associations with other molecules, determining its activity and localization. In this study, we identified TSPAN33 as an active player during B‐lymphocyte cytoskeleton and plasma membrane‐related phenomena, including protrusion formation, adhesion, phagocytosis, and cell motility. By using an overexpression model of TSPAN33 in human Raji cells, we detected a specific distribution of this protein that includes membrane microvilli, the Golgi apparatus, and extracellular vesicles. Additionally, we identified diminished phagocytic ability and altered cell adhesion properties due to the aberrant expression of integrins. Accordingly, these cells presented an enhanced migratory phenotype, as shown by its augmented chemotaxis and invasion rates. When we evaluated the mechanic response of cells during fibronectin‐induced spreading, we found that TSPAN33 expression inhibited changes in roughness and membrane tension. Contrariwise, TSPAN33 knockdown cells displayed opposite phenotypes to those observed in the overexpression model. Altogether, our data indicate that TSPAN33 represents a regulatory element of the adhesion and migration of B lymphocytes, suggesting a novel implication of this tetraspanin in the control of the mechanical properties of their plasma membrane. Tetraspanins constitute a superfamily of transmembrane proteins that establish lateral associations with other molecules, determining its activity and localization. In this study, we identified the last described member of this family, tetraspanin 33 (TSPAN33), as an active player during B‐lymphocyte cytoskeleton and plasma membrane‐related phenomena, including protrusion formation, adhesion, phagocytosis, and cell motility.
Editor: England: Blackwell Publishing Ltd
Idioma: Inglês

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Tetraspanin 33 (TSPAN33) regulates endocytosis and migration of human B lymphocytes by affecting the tension of the plasma membrane

England: Blackwell Publishing Ltd

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