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NARROW
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1-20 of 20
Keywords: PTEN
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Journal Articles
Kristen M. Consalvo, Ramesh Rijal, Steven L. Beruvides, Ryan Mitchell, Karissa Beauchemin, Danni Collins, Jack Scoggin, Jerome Scott, Richard H. Gomer
Journal:
Journal of Cell Science
J Cell Sci (2024) 137 (15): jcs262054.
Published: 1 August 2024
...Kristen M. Consalvo; Ramesh Rijal; Steven L. Beruvides; Ryan Mitchell; Karissa Beauchemin; Danni Collins; Jack Scoggin; Jerome Scott; Richard H. Gomer ABSTRACT Little is known about eukaryotic chemorepulsion. The enzymes phosphatase and tensin homolog (PTEN) and CnrN dephosphorylate...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2023) 136 (19): jcs261178.
Published: 11 October 2023
... between upstream and downstream proliferative signalling. Pten, a lipid and protein phosphatase, fulfils this role, because its inhibition increased proliferation and restored signalling via the Akt, mTORC1, mTORC2 and mitogen-activated protein kinase (MAPK) pathways. Pten and laminin levels were...
Includes: Supplementary data
Journal Articles
In collection:
Proteostasis
Journal:
Journal of Cell Science
J Cell Sci (2023) 136 (18): jcs260950.
Published: 22 September 2023
...Shrabastee Chakraborty; Subhajit Karmakar; Malini Basu; Satadeepa Kal; Mrinal K. Ghosh ABSTRACT Monoubiquitylation is a principal mechanism driving nuclear translocation of the protein PTEN (phosphatase and tensin homolog deleted on chromosome ten). In this study, we describe a novel mechanism...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2020) 133 (8): jcs240325.
Published: 28 April 2020
... dynamics and myoblast fusion defects, PIP3 was constitutively abundant on the membrane during myogenesis. Targeting phosphatase and tensin homolog (PTEN) to the plasma membrane reduced PIP3 levels, inhibited bubbling blebs and rescued myoblast fusion defects in RD cells. These findings highlight...
Includes: Supplementary data
Journal Articles
Gilbert Salloum, Charles T. Jakubik, Zahra Erami, Samantha D. Heitz, Anne R. Bresnick, Jonathan M. Backer
Journal:
Journal of Cell Science
J Cell Sci (2019) 132 (16): jcs231639.
Published: 16 August 2019
..., but also plays a role in later steps, downstream from Rac1 activation. PI3Kβ is also required for the elevated levels of constitutive macropinocytosis found in tumor cells that are defective for the PTEN tumor suppressor. Our data shed new light on PI3K signaling during macropinocytosis, and suggest new...
Includes: Supplementary data
Journal Articles
Luciana K. Rosselli-Murai, Joel A. Yates, Sei Yoshida, Julia Bourg, Kenneth K. Y. Ho, Megan White, Julia Prisby, Xinyu Tan, Megan Altemus, Liwei Bao, Zhi-Fen Wu, Sarah L. Veatch, Joel A. Swanson, Sofia D. Merajver, Allen P. Liu
Journal:
Journal of Cell Science
J Cell Sci (2018) 131 (8): jcs208926.
Published: 26 April 2018
... by phosphatase and tensin homolog (PTEN), is a potent tumorigenic signaling lipid. By using total internal reflection fluorescence microscopy and automated tracking and detection of CCPs, we found that EGF-bound EGFR and PTEN are enriched in a distinct subset of short-lived CCPs that correspond with clathrin...
Includes: Supplementary data
Journal Articles
Iman Azimi, Michael J. G. Milevskiy, Elke Kaemmerer, Dane Turner, Kunsala T. D. S. Yapa, Melissa A. Brown, Erik W. Thompson, Sarah J. Roberts-Thomson, Gregory R. Monteith
Journal:
Journal of Cell Science
J Cell Sci (2017) 130 (14): 2292–2305.
Published: 15 July 2017
... of signalling pathways such as activation of the EGFR, STAT3 and the autophagy marker LC3B, through hypoxia-inducible factor-1α (HIF1α)-dependent and -independent mechanisms. TRPC1 regulated HIF1α levels in PTEN-deficient MDA-MB-468 and HCC1569 breast cancer cell lines. This regulation arises from effects...
Includes: Supplementary data
Journal Articles
In collection:
Imaging
Journal:
Journal of Cell Science
J Cell Sci (2016) 129 (18): 3462–3472.
Published: 15 September 2016
...-directed actin flow. Asymmetric Ras activation in turning protrusions underscores that gradients can be sensed locally and translated into orientation. Different to cells of normal size, the polarity of large cells is not linked to an increasing front-to-tail gradient of the PIP3-phosphatase PTEN. But even...
Includes: Supplementary data
Journal Articles
PTEN counteracts PIP 3 upregulation in spines during NMDA-receptor-dependent long-term depression
FreeKristin L. Arendt, Marion Benoist, Argentina Lario, Jonathan E. Draffin, María Muñoz, José A. Esteban
Journal:
Journal of Cell Science
J Cell Sci (2014) 127 (24): 5253–5260.
Published: 15 December 2014
...Kristin L. Arendt; Marion Benoist; Argentina Lario; Jonathan E. Draffin; María Muñoz; José A. Esteban ABSTRACT Phosphoinositide 3-kinase (PI3K) and PTEN have been shown to participate in synaptic plasticity during long-term potentiation (LTP) and long-term depression (LTD), respectively...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2014) 127 (23): 5115–5125.
Published: 1 December 2014
...), PTEN and filamentous actin, we observed that the activity of the signaling pathway remained spatially confined to the stimulated membrane region. Neighboring parts of the membrane were not excited and no receptor-initiated spatial spreading of excitation waves was observed. To generate localized cAMP...
Includes: Supplementary data
Journal Articles
Sze Wan Shan, Ling Fang, Tatiana Shatseva, Zina Jeyapalan Rutnam, Xiangling Yang, William Du, Wei-Yang Lu, Jim W. Xuan, Zhaoqun Deng, Burton B. Yang
Journal:
Journal of Cell Science
J Cell Sci (2013) 126 (6): 1517–1530.
Published: 15 March 2013
... that the mature miR-17-5p and the passenger strand miR-17-3p were abundantly expressed. We showed that mature miR-17-5p and passenger strand miR-17-3p could synergistically induce the development of hepatocellular carcinoma. The mature miR-17-5p exerted this function by repressing the expression of PTEN...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2012) 125 (6): 1556–1567.
Published: 15 March 2012
... in the nucleus is increased in mouse cortical neurons in the early stages, but return to basal level in the later stages after glutamate accumulation-induced injury. The elevation of TDP-43 results from a downregulation of phosphatase and tensin homolog (PTEN). We further demonstrate that activation of NR2A...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2010) 123 (23): 4039–4051.
Published: 1 December 2010
...Barbara Peracino; Alessandra Balest; Salvatore Bozzaro Membrane phosphatidylinositides recruit cytosolic proteins to regulate phagocytosis, macropinocytosis and endolysosomal vesicle maturation. Here, we describe effects of inactivation of PI3K, PTEN or PLC on Escherichia coli and Legionella...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2008) 121 (5): 551–559.
Published: 1 March 2008
...Verena Kölsch; Pascale G. Charest; Richard A. Firtel Phosphoinositide 3-kinase (PI3K), PTEN and localized phosphatidylinositol (3,4,5)-trisphosphate [PtdIns(3,4,5) P 3 ] play key roles in chemotaxis, regulating cell motility by controlling the actin cytoskeleton in Dictyostelium and mammalian...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2008) 121 (3): 249–253.
Published: 1 February 2008
...Sarah M. Planchon; Kristin A. Waite; Charis Eng PTEN encodes a major tumor-suppressor protein that is a dual-specificity phosphatase. Inactivation of PTEN has been shown to be involved in heritable and sporadic cancers. Mutation or deletion of PTEN , historically the most commonly identified...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2007) 120 (23): 4071–4079.
Published: 1 December 2007
...Tanja Tamguney; David Stokoe The functions ascribed to PTEN have become more diverse since its discovery as a putative phosphatase mutated in many human tumors. Although it can dephosphorylate lipids and proteins, it also has functions independent of phosphatase activity in normal and pathological...
Journal Articles
Journal:
Journal of Cell Science
J Cell Sci (2007) 120 (15): 2517–2531.
Published: 1 August 2007
...Deborah Wessels; Daniel F. Lusche; Spencer Kuhl; Paul Heid; David R. Soll It has been suggested that the phosphatydylinositol (3,4,5)-trisphosphate [PtdIns(3,4,5) P 3 ] phosphatase and tensin homolog PTEN plays a fundamental role in Dictyostelium discoideum chemotaxis. To identify that role...
Includes: Multimedia, Supplementary data
Journal Articles
Yvonne Lindsay, David McCoull, Lindsay Davidson, Nick R. Leslie, Alison Fairservice, Alex Gray, John Lucocq, C. Peter Downes
Journal:
Journal of Cell Science
J Cell Sci (2006) 119 (24): 5160–5168.
Published: 15 December 2006
... was observed in U87MG cells, which lack the PtdIns(3,4,5) P 3 phosphatase, PTEN. Re-expression of PTEN into U87MG cells ablated plasma membrane PtdIns(3,4,5) P 3 , but not the nuclear pool of this lipid even when PTEN was targeted to nuclei. These data have important implications for the versatility of PI 3...
Includes: Supplementary data
Journal Articles
Gaizka Otaegi, María J. Yusta-Boyo, Eva Vergaño-Vera, Héctor R. Méndez-Gómez, Ana C. Carrera, José L. Abad, Manuel González, Enrique J. de la Rosa, Carlos Vicario-Abejón, Flora de Pablo
Journal:
Journal of Cell Science
J Cell Sci (2006) 119 (13): 2739–2748.
Published: 1 July 2006
... , respectively) in proliferating OBSCs, and in differentiating cells. Conversely, P -Akt Ser473 levels decreased by 50% in the OB of embryonic day 16.5-18.5 IGF-I knockout mouse embryos. Overexpression of PTEN, a negative regulator of the PI 3-kinase pathway, caused a reduction in the basal levels of P -Akt...
Journal Articles
Neil H. Chadborn, Aminul I. Ahmed, Mark R. Holt, Rabinder Prinjha, Graham A. Dunn, Gareth E. Jones, Britta J. Eickholt
Journal:
Journal of Cell Science
J Cell Sci (2006) 119 (5): 951–957.
Published: 1 March 2006
... 3,4,5-trisphosphate, which can be modulated by phosphatidylinositol 3-kinase (PI3K) and the tumour suppressor PTEN. We report here the involvement of PTEN in the Sema3A-mediated growth cone collapse. Sema3A suppresses PI3K signalling concomitant with the activation of GSK-3, which depends...
Includes: Multimedia, Supplementary data