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Maier J, Sieme D, Wong LE, Dar F, Wienands J, Becker S, Griesinger C. Quantitative description of the phase-separation behavior of the multivalent SLP65- CIN85 complex. PNAS Nexus 2024; 3:pgae079. [PMID: 38463037 PMCID: PMC10923291 DOI: 10.1093/pnasnexus/pgae079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/06/2024] [Indexed: 03/12/2024]
Abstract
Biomolecular condensates play a major role in cell compartmentalization, besides membrane-enclosed organelles. The multivalent SLP65 and CIN85 proteins are proximal B-cell antigen receptor (BCR) signal effectors and critical for proper immune responses. In association with intracellular vesicles, the two effector proteins form phase separated condensates prior to antigen stimulation, thereby preparing B lymphocytes for rapid and effective activation upon BCR ligation. Within this tripartite system, 6 proline-rich motifs (PRMs) of SLP65 interact promiscuously with 3 SH3 domains of the CIN85 monomer, establishing 18 individual SH3-PRM interactions whose individual dissociation constants we determined. Based on these 18 dissociation constants, we measured the phase-separation properties of the natural SLP65/CIN85 system as well as designer constructs that emphasize the strongest SH3/PRM interactions. By modeling these various SLP65/CIN85 constructs with the program LASSI (LAttice simulation engine for Sticker and Spacer Interactions), we reproduced the observed phase-separation properties. In addition, LASSI revealed a deviation in the experimental measurement, which was independently identified as a previously unknown intramolecular interaction. Thus, thermodynamic properties of the individual PRM/SH3 interactions allow us to model the phase-separation behavior of the SLP65/CIN85 system faithfully.
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Affiliation(s)
- Joachim Maier
- Department of NMR Based Structural Biology, Max Planck Institute (MPI) for Multidisciplinary Sciences, 37077 Göttingen, Germany
| | - Daniel Sieme
- Department of NMR Based Structural Biology, Max Planck Institute (MPI) for Multidisciplinary Sciences, 37077 Göttingen, Germany
| | - Leo E Wong
- Department of NMR Based Structural Biology, Max Planck Institute (MPI) for Multidisciplinary Sciences, 37077 Göttingen, Germany
| | - Furqan Dar
- Department of Biomedical Engineering, Washington University in St Louis, St Louis, MO 63130, USA
| | - Jürgen Wienands
- Institute of Cellular and Molecular Immunology, University Medical Center Göttingen, 37073 Göttingen, Germany
| | - Stefan Becker
- Department of NMR Based Structural Biology, Max Planck Institute (MPI) for Multidisciplinary Sciences, 37077 Göttingen, Germany
| | - Christian Griesinger
- Department of NMR Based Structural Biology, Max Planck Institute (MPI) for Multidisciplinary Sciences, 37077 Göttingen, Germany
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2
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Ma XL, Nie YY, Xie SH, Zheng H, Tong Y, Wang YC, Yan TQ, Meng X, Cao JZ, Tang WG, Guo L, Lu RQ. ASAP2 interrupts c-MET- CIN85 interaction to sustain HGF/c-MET-induced malignant potentials in hepatocellular carcinoma. Exp Hematol Oncol 2023; 12:38. [PMID: 37061723 PMCID: PMC10105420 DOI: 10.1186/s40164-023-00393-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 02/27/2023] [Indexed: 04/17/2023] Open
Abstract
BACKGROUND Sustained activation of hepatocyte growth factor (HGF)/c-MET signaling is a major driver of hepatocellular carcinoma (HCC) progression, but underlying mechanism is unclear. ArfGAP With SH3 Domain, Ankyrin Repeat And PH Domain 2 (ASAP2) can reportedly activate GTPases and promote receptor tyrosine kinase signaling. However, the exact role of ASAP2 in HCC, especially for c-MET activation, also remains elusive. METHODS ASAP2 expression levels in HCC tissues and cells were quantified using qRT-PCR, western blot (WB) analysis, and immunohistochemistry staining. Cell counting kit-8 (CCK-8) and colony formation assays were performed to evaluate cell proliferation rates. Flow cytometry assays were conducted to assess apoptosis rates. Wound healing and Transwell assays were performed to determine cell migration and invasion capacities. Epithelial-mesenchymal transition (EMT)-related marker expression levels were also examined. Subcutaneous implantation and tail vein injection models were applied for in vivo growth and metastasis evaluations, respectively. Bioinformatics analyses of The Cancer Genome Atlas and STRING datasets were performed to explore ASAP2 downstream signaling. Co-immunoprecipitation and Cycloheximide chasing experiments were performed to assess protein-protein interactions and protein half-life, respectively. RESULTS ASAP2 had higher expression levels in HCC tissues than in normal liver, and also predicted poor prognosis. Knocking down ASAP2 significantly impaired cell proliferation, migration, and invasion capacities, but promoted apoptosis in HCC cells in vitro. However, overexpression of ASAP2 achieved the opposite effects. In vivo experiments confirmed that ASAP2 could promote HCC cell growth and facilitate lung metastasis. Interestingly, ASAP2 was essential for triggering EMT. Gene Set Enrichment Analysis demonstrated that c-MET signaling was greatly enriched in ASAP2-high HCC cases. Additionally, c-MET signaling activity was significantly decreased following ASAP knockdown, evidenced by reduced c-MET, p-AKT, and p-ERK1/2 protein levels. Importantly, ASAP2 knockdown effectively attenuated HGF/c-MET signaling-induced malignant phenotypes. c-MET and ASAP2 expression levels were positively correlated in our cohort. Mechanistically, ASAP2 can directly bind to CIN85, thereby disrupting its interaction with c-MET, and can thus antagonize CIN85-induced c-MET internalization and lysosome-mediated degradation. Notably, knocking down CIN85 can rescue the observed inhibitory effects caused by ASAP2 knockdown. CONCLUSIONS This study highlights the importance of ASAP2 in sustaining c-MET signaling, which can facilitate HCC progression.
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Affiliation(s)
- Xiao-Lu Ma
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Yan-Yan Nie
- Shanghai Lab. Animal Research Center, Shanghai, 201203, China
| | - Su-Hong Xie
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Hui Zheng
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Ying Tong
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Yan-Chun Wang
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Tian-Qing Yan
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Xin Meng
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Jia-Zhen Cao
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China
| | - Wei-Guo Tang
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Department of Hepatobiliary and Pancreatic Surgery, Minhang Hospital, Fudan University, Shanghai, 201100, China
| | - Lin Guo
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China.
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China.
| | - Ren-Quan Lu
- Department of Clinical Laboratory, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China.
- Department of Oncology, Shanghai Medical School, Fudan University, Shanghai, 200032, China.
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Furusawa K, Takasugi T, Chiu YW, Hori Y, Tomita T, Fukuda M, Hisanaga SI. CD2-associated protein (CD2AP) overexpression accelerates amyloid precursor protein (APP) transfer from early endosomes to the lysosomal degradation pathway. J Biol Chem 2019; 294:10886-10899. [PMID: 31138646 DOI: 10.1074/jbc.ra118.005385] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 05/16/2019] [Indexed: 12/23/2022] Open
Abstract
A hallmark of Alzheimer's disease (AD) pathology is the appearance of senile plaques, which are composed of β-amyloid (Aβ) peptides. Aβ is produced by sequential cleavages of amyloid precursor protein (APP) by β- and γ-secretases. These cleavages take place in endosomes during intracellular trafficking of APP through the endocytic and recycling pathways. Genome-wide association studies have identified several risk factors for late-onset AD, one of which is CD2-associated protein (CD2AP), an adaptor molecule that regulates membrane trafficking. Although CD2AP's involvement in APP trafficking has recently been reported, how APP trafficking is regulated remains unclear. We sought to address this question by investigating the effect of CD2AP overexpression or knockdown on the intracellular APP distribution and degradation of APP in cultured COS-7 and HEK293 cells. We found that overexpression of CD2AP increases the localization of APP to Rab7-positive late endosomes, and decreases its localization to Rab5-positive early endosomes. CD2AP overexpression accelerated the onset of APP degradation without affecting its degradation rate. Furthermore, nutrient starvation increased the localization of APP to Rab7-positive late endosomes, and CD2AP overexpression stimulated starvation-induced lysosomal APP degradation. Moreover, the effect of CD2AP on the degradation of APP was confirmed by CD2AP overexpression and knockdown in primary cortical neurons from mice. We conclude that CD2AP accelerates the transfer of APP from early to late endosomes. This transfer in localization stimulates APP degradation by reducing the amount of time before degradation initiation. Taken together, these results may explain why impaired CD2AP function is a risk factor for AD.
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Affiliation(s)
- Kotaro Furusawa
- Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University, Minami-Osawa, Hachioji, Tokyo 192-0397
| | - Toshiyuki Takasugi
- Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University, Minami-Osawa, Hachioji, Tokyo 192-0397
| | - Yung-Wen Chiu
- Laboratory of Neuropathology and Neuroscience, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033 and
| | - Yukiko Hori
- Laboratory of Neuropathology and Neuroscience, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033 and
| | - Taisuke Tomita
- Laboratory of Neuropathology and Neuroscience, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033 and
| | - Mitsunori Fukuda
- Department of Integrative Life Sciences, Graduate School of Life Sciences, Tohoku University, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Shin-Ichi Hisanaga
- Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University, Minami-Osawa, Hachioji, Tokyo 192-0397,.
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Martini V, Frezzato F, Severin F, Raggi F, Trimarco V, Martinello L, Molfetta R, Visentin A, Facco M, Semenzato G, Paolini R, Trentin L. Abnormal regulation of BCR signalling by c-Cbl in chronic lymphocytic leukaemia. Oncotarget 2018; 9:32219-32231. [PMID: 30181811 PMCID: PMC6114956 DOI: 10.18632/oncotarget.25951] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 07/21/2018] [Indexed: 11/25/2022] Open
Abstract
Abnormalities of molecules involved in signal transduction pathways are connected to Chronic Lymphocytic Leukemia (CLL) pathogenesis and a critical role has been already ascribed to B-Cell Receptor (BCR)-Lyn axis. E3 ubiquitin ligase c-Cbl, working together with adapter protein CIN85, controls the degradation of protein kinases involved in BCR signaling. To investigate cell homeostasis in CLL, we studied c-Cbl since in normal B cells it is involved in the ubiquitin-dependent Lyn degradation and in the down-regulation of BCR signaling. We found that c-Cbl is overexpressed and not ubiquitinated after BCR engagement. We observed that c-Cbl did not associate to CIN85 in CLL with respect to normal B cells at steady state, nor following BCR engagement. c-Cbl association to Lyn was not detectable in CLL after BCR stimulation, as it happens in normal B cells. In some CLL patients, c-Cbl is constitutively phosphorylated at Y731 and in the same subjects, it associated to regulatory subunit p85 of PI3K. Moreover, c-Cbl is constitutive associated to Cortactin in those CLL patients presenting Cortactin overexpression and bad prognosis. These results support the hypothesis that c-Cbl, rather than E3 ligase activity, could have an adaptor function in turn influencing cell homeostasis in CLL.
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Affiliation(s)
- Veronica Martini
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Federica Frezzato
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Filippo Severin
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Flavia Raggi
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Valentina Trimarco
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Leonardo Martinello
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Rosa Molfetta
- Department of Molecular Medicine, University of La Sapienza, Rome, Italy
| | - Andrea Visentin
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Monica Facco
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Gianpietro Semenzato
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
| | - Rossella Paolini
- Department of Molecular Medicine, University of La Sapienza, Rome, Italy
| | - Livio Trentin
- Department of Medicine, Hematology and Clinical Immunology Branch, University School of Medicine, Padua, Italy.,Venetian Institute of Molecular Medicine, VIMM, Padua, Italy
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Bushnell HL, Feiler CE, Ketosugbo KF, Hellerman MB, Nazzaro VL, Johnson RI. JNK is antagonized to ensure the correct number of interommatidial cells pattern the Drosophila retina. Dev Biol 2017; 433:94-107. [PMID: 29133184 DOI: 10.1016/j.ydbio.2017.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 10/29/2017] [Accepted: 11/04/2017] [Indexed: 11/25/2022]
Abstract
Apoptosis is crucial during the morphogenesis of most organs and tissues, and is utilized for tissues to achieve their proper size, shape and patterning. Many signaling pathways contribute to the precise regulation of apoptosis. Here we show that Jun N-terminal Kinase (JNK) activity contributes to the coordinated removal of interommatidial cells via apoptosis in the Drosophila pupal retina. This is consistent with previous findings that JNK activity promotes apoptosis in other epithelia. However, we found that JNK activity is repressed by Cindr (the CIN85 and CD2AP ortholog) in order to promote cell survival. Reducing the amount of Cindr resulted in ectopic cell death. Increased expression of the Drosophila JNK basket in the setting of reduced cindr expression was found to result in even more severe apoptosis, whilst ectopic death was found to be reduced if retinas were heterozygous for basket. Hence Cindr is required to properly restrict JNK-mediated apoptosis in the pupal eye, resulting in the correct number of interommatidial cells. A lack of precise control over developmental apoptosis can lead to improper tissue morphogenesis.
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Affiliation(s)
- Henry L Bushnell
- Biology Department, Wesleyan University, 52 Lawn Avenue, Middletown, CT, USA
| | - Christina E Feiler
- Biology Department, Wesleyan University, 52 Lawn Avenue, Middletown, CT, USA
| | - Kwami F Ketosugbo
- Biology Department, Wesleyan University, 52 Lawn Avenue, Middletown, CT, USA
| | - Mark B Hellerman
- Biology Department, Wesleyan University, 52 Lawn Avenue, Middletown, CT, USA
| | - Valerie L Nazzaro
- Quantitative Analysis Center, Wesleyan University, 222 Church Street, Middletown, CT, USA
| | - Ruth I Johnson
- Biology Department, Wesleyan University, 52 Lawn Avenue, Middletown, CT, USA.
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6
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Abstract
Septins constitute a family of GTP-binding proteins that are involved in a variety of biological processes. Several isoforms have been implicated in disease, but the molecular mechanisms underlying pathogenesis are poorly understood. Here, we show that depletion of SEPT9 decreases surface levels of epidermal growth factor receptors (EGFRs) by enhancing receptor degradation. We identify a consensus motif within the SEPT9 N-terminal domain that supports its association with the adaptor protein CIN85 (also known as SH3KBP1). We further show CIN85-SEPT9 to be localized exclusively to the plasma membrane, where SEPT9 is recruited to EGF-engaged receptors in a CIN85-dependent manner. Finally, we demonstrate that SEPT9 negatively regulates EGFR degradation by preventing the association of the ubiquitin ligase Cbl with CIN85, resulting in reduced EGFR ubiquitylation. Taken together, these data provide a mechanistic explanation of how SEPT9, though acting exclusively at the plasma membrane, impairs the sorting of EGFRs into the degradative pathway.
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Affiliation(s)
- Katrin Diesenberg
- Leibniz-Institut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Monika Beerbaum
- Leibniz-Institut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Uwe Fink
- Leibniz-Institut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Peter Schmieder
- Leibniz-Institut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
| | - Michael Krauss
- Leibniz-Institut für Molekulare Pharmakologie (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany
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Ahmad G, Mohapatra BC, Schulte NA, Nadeau SA, Luan H, Zutshi N, Tom E, Ortega-Cava C, Tu C, Sanada M, Ogawa S, Toews ML, Band V, Band H. Cbl-family ubiquitin ligases and their recruitment of CIN85 are largely dispensable for epidermal growth factor receptor endocytosis. Int J Biochem Cell Biol 2014; 57:123-34. [PMID: 25449262 DOI: 10.1016/j.biocel.2014.10.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 10/03/2014] [Accepted: 10/16/2014] [Indexed: 11/15/2022]
Abstract
Members of the casitas B-lineage lymphoma (Cbl) family (Cbl, Cbl-b and Cbl-c) of ubiquitin ligases serve as negative regulators of receptor tyrosine kinases (RTKs). An essential role of Cbl-family protein-dependent ubiquitination for efficient ligand-induced lysosomal targeting and degradation is now well-accepted. However, a more proximal role of Cbl and Cbl-b as adapters for CIN85-endophilin recruitment to mediate ligand-induced initial internalization of RTKs is supported by some studies but refuted by others. Overexpression and/or incomplete depletion of Cbl proteins in these studies is likely to have contributed to this dichotomy. To address the role of endogenous Cbl and Cbl-b in the internalization step of RTK endocytic traffic, we established Cbl/Cbl-b double-knockout (DKO) mouse embryonic fibroblasts (MEFs) and demonstrated that these cells lack the expression of both Cbl-family members as well as endophilin A, while they express CIN85. We show that ligand-induced ubiquitination of EGFR, as a prototype RTK, was abolished in DKO MEFs, and EGFR degradation was delayed. These traits were reversed by ectopic human Cbl expression. EGFR endocytosis, assessed using the internalization of (125)I-labeled or fluorescent EGF, or of EGFR itself, was largely retained in Cbl/Cbl-b DKO compared to wild type MEFs. EGFR internalization was also largely intact in Cbl/Cbl-b depleted MCF-10A human mammary epithelial cell line. Inducible shRNA-mediated knockdown of CIN85 in wild type or Cbl/Cbl-b DKO MEFs had no impact on EGFR internalization. Our findings, establish that, at physiological expression levels, Cbl, Cbl-b and CIN85 are largely dispensable for EGFR internalization. Our results support the model that Cbl-CIN85-endophilin complex is not required for efficient internalization of EGFR, a prototype RTK.
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Affiliation(s)
- Gulzar Ahmad
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Bhopal C Mohapatra
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Nancy A Schulte
- Department of Pharmacology & Experimental Neuroscience, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Scott A Nadeau
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Haitao Luan
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Neha Zutshi
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Pathology & Microbiology, College of Medicine, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Eric Tom
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Cesar Ortega-Cava
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Chun Tu
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Masashi Sanada
- Department of Pathology and Tumor Biology, Kyoto University, Yoshida-Konoe-Cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Seishi Ogawa
- Department of Pathology and Tumor Biology, Kyoto University, Yoshida-Konoe-Cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Myron L Toews
- Department of Pharmacology & Experimental Neuroscience, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Vimla Band
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Hamid Band
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Department of Pathology & Microbiology, College of Medicine, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, NE 68198-5950, USA.
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