[HTML][HTML] A role for the chaperone complex BAG3-HSPB8 in actin dynamics, spindle orientation and proper chromosome segregation during mitosis
The co-chaperone BAG3, in complex with the heat shock protein HSPB8, plays a role in
protein quality control during mechanical strain. It is part of a multichaperone complex that …
protein quality control during mechanical strain. It is part of a multichaperone complex that …
Low lamin A levels enhance confined cell migration and metastatic capacity in breast cancer
Aberrations in nuclear size and shape are commonly used to identify cancerous tissue.
However, it remains unclear whether the disturbed nuclear structure directly contributes to the …
However, it remains unclear whether the disturbed nuclear structure directly contributes to the …
[HTML][HTML] Fine-tuning of actin dynamics by the HSPB8-BAG3 chaperone complex facilitates cytokinesis and contributes to its impact on cell division
The small heat shock protein HSPB8 and its co-chaperone BAG3 are proposed to regulate
cytoskeletal proteostasis in response to mechanical signaling in muscle cells. Here, we show …
cytoskeletal proteostasis in response to mechanical signaling in muscle cells. Here, we show …
[HTML][HTML] Chaperone-assisted mitotic actin remodeling by BAG3 and HSPB8 involves the deacetylase HDAC6 and its substrate cortactin
C Luthold, AA Varlet, H Lambert, F Bordeleau… - International Journal of …, 2020 - mdpi.com
The fidelity of actin dynamics relies on protein quality control, but the underlying molecular
mechanisms are poorly defined. During mitosis, the cochaperone BCL2-associated …
mechanisms are poorly defined. During mitosis, the cochaperone BCL2-associated …
[HTML][HTML] Unraveling LMNA Mutations in Metabolic Syndrome: Cellular Phenotype and Clinical Pitfalls
C Desgrouas, AA Varlet, A Dutour, D Galant, F Merono… - Cells, 2020 - mdpi.com
This study details the clinical and cellular phenotypes associated with two missense heterozygous
mutations in LMNA, c.1745G>T p.(Arg582Leu), and c.1892G>A p.(Gly631Asp), in two …
mutations in LMNA, c.1745G>T p.(Arg582Leu), and c.1892G>A p.(Gly631Asp), in two …
[HTML][HTML] CDK1-mediated phosphorylation of BAG3 promotes mitotic cell shape remodeling and the molecular assembly of mitotic p62 bodies
…, SM Guilbert, MA Rodrigue, M Fuchs, AA Varlet… - Cells, 2021 - mdpi.com
The cochaperone BCL2-associated athanogene 3 (BAG3), in complex with the heat shock
protein HSPB8, facilitates mitotic rounding, spindle orientation, and proper abscission of …
protein HSPB8, facilitates mitotic rounding, spindle orientation, and proper abscission of …
[HTML][HTML] Molecular and mechanobiological pathways related to the physiopathology of FPLD2
AA Varlet, E Helfer, C Badens - Cells, 2020 - mdpi.com
Laminopathies are rare and heterogeneous diseases affecting one to almost all tissues, as
in Progeria, and sharing certain features such as metabolic disorders and a predisposition to …
in Progeria, and sharing certain features such as metabolic disorders and a predisposition to …
[PDF][PDF] Enhanced cell viscosity: A new phenotype associated with lamin A/C alterations
C Jebane, AA Varlet, M Karnat, LM Hernandez-Cedillo… - Iscience, 2023 - cell.com
Lamin A/C is a well-established key contributor to nuclear stiffness and its role in nucleus
mechanical properties has been extensively studied. However, its impact on whole-cell …
mechanical properties has been extensively studied. However, its impact on whole-cell …
[HTML][HTML] A Rare Mutation in LMNB2 Associated with Lipodystrophy Drives Premature Cell Senescence
AA Varlet, C Desgrouas, C Jebane, N Bonello-Palot… - Cells, 2021 - mdpi.com
Many proteins are causative for inherited partial lipodystrophies, including lamins, the
essential constituents of the nuclear envelope scaffold called the lamina. By performing high …
essential constituents of the nuclear envelope scaffold called the lamina. By performing high …
Regulation of Actin-Based Structure Dynamics by HspB Proteins and Partners
SM Guilbert, AA Varlet, M Fuchs, H Lambert… - The big book on small …, 2015 - Springer
Small heat shock proteins (HspB proteins) form a diverse family of proteins that have evolved
distinct modes of action to protect cells from proteotoxic stress. Studies conducted within …
distinct modes of action to protect cells from proteotoxic stress. Studies conducted within …