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Wang S, Lin CW, Carleton AE, Cortez CL, Johnson C, Taniguchi LE, Sekulovski N, Townshend RF, Basrur V, Nesvizhskii AI, Zou P, Fu J, Gumucio DL, Duncan MC, Taniguchi K. Spatially resolved cell polarity proteomics of a human epiblast model. SCIENCE ADVANCES 2021; 7:7/17/eabd8407. [PMID: 33893097 PMCID: PMC8064645 DOI: 10.1126/sciadv.abd8407] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 03/05/2021] [Indexed: 05/08/2023]
Abstract
Critical early steps in human embryonic development include polarization of the inner cell mass, followed by formation of an expanded lumen that will become the epiblast cavity. Recently described three-dimensional (3D) human pluripotent stem cell-derived cyst (hPSC-cyst) structures can replicate these processes. To gain mechanistic insights into the poorly understood machinery involved in epiblast cavity formation, we interrogated the proteomes of apical and basolateral membrane territories in 3D human hPSC-cysts. APEX2-based proximity bioinylation, followed by quantitative mass spectrometry, revealed a variety of proteins without previous annotation to specific membrane subdomains. Functional experiments validated the requirement for several apically enriched proteins in cyst morphogenesis. In particular, we found a key role for the AP-1 clathrin adaptor complex in expanding the apical membrane domains during lumen establishment. These findings highlight the robust power of this proximity labeling approach for discovering novel regulators of epithelial morphogenesis in 3D stem cell-based models.
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Affiliation(s)
- Sicong Wang
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Chien-Wei Lin
- Division of Biostatistics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Amber E Carleton
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Chari L Cortez
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Craig Johnson
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Linnea E Taniguchi
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Nikola Sekulovski
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Ryan F Townshend
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Venkatesha Basrur
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Alexey I Nesvizhskii
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Peng Zou
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Jianping Fu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA.
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Deborah L Gumucio
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Mara C Duncan
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
| | - Kenichiro Taniguchi
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
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Fujii T, Takahashi Y, Ikari A, Morii M, Tabuchi Y, Tsukada K, Takeguchi N, Sakai H. Functional Association between K+-Cl- Cotransporter-4 and H+,K+-ATPase in the Apical Canalicular Membrane of Gastric Parietal Cells. J Biol Chem 2009; 284:619-629. [DOI: 10.1074/jbc.m806562200] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Wakamatsu D, Tsuyama S, Maezono R, Kato K, Ogata S, Takao S, Natsugoe S, Aikou T, Murata F. Immunohistochemical Detection of the Cytoskeletal Components in Gastric Parietal Cells. Acta Histochem Cytochem 2005. [DOI: 10.1267/ahc.38.331] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Daisuke Wakamatsu
- Department of Surgical Oncology and Digestive Surgery, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Shinichiro Tsuyama
- Department of Structural Cell Biology, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Rie Maezono
- Department of Structural Cell Biology, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Kenji Kato
- Department of Surgical Oncology and Digestive Surgery, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Shunji Ogata
- Department of Surgical Oncology and Digestive Surgery, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Sonshin Takao
- Laboratory for Bioengineering & Transplantation, Research Center for Life Science Resources, Kagoshima University
| | - Shoji Natsugoe
- Department of Surgical Oncology and Digestive Surgery, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Takashi Aikou
- Department of Surgical Oncology and Digestive Surgery, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Fusayoshi Murata
- Department of Structural Cell Biology, Kagoshima University Graduate School of Medical and Dental Sciences
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Born M, Pahner I, Ahnert-Hilger G, Jöns T. The maintenance of the permeability barrier of bladder facet cells requires a continuous fusion of discoid vesicles with the apical plasma membrane. Eur J Cell Biol 2003; 82:343-50. [PMID: 12924629 DOI: 10.1078/0171-9335-00326] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The luminal surface of the bladder epithelium is continuously exposed to urine that differs from blood in its ionic composition and osmolality. The apical plasma membrane of facet or umbrella cells, facing the urine, is covered with rigid-looking plaques consisting of hexagonal uroplakin particles. Together with tight junctions these plaques form a specialized membrane compartment that represents one of the tightest and most impermeable barriers in the body. Plaques also occur in the membrane of cytoplasmic discoid vesicles. Here it is shown shown that synaptobrevin, SNAP23 and syntaxin are perfectly colocalized with uroplakin III at the apical plasma membrane as well as with membranes of discoid vesicles. Such a distribution suggests that discoid vesicles in facet cells may gain access to the apical plasma membrane probably by combination of homotypic and heterotypic fusion events. Furthermore, we detected uroplakin III-containing membranes of different sizes in the urine of healthy humans and rats. Probably facet cells maintain their permeability barrier by a process of continuous membrane regeneration that includes the cutting off of areas of the apical membrane and its replacement by newly fused discoid vesicles.
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Affiliation(s)
- Martin Born
- Institut für Anatomie der Charité, Humboldt-Universität zu Berlin, Berlin, Germany
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Cullinan P, Sperling AI, Burkhardt JK. The distal pole complex: a novel membrane domain distal to the immunological synapse. Immunol Rev 2002; 189:111-22. [PMID: 12445269 DOI: 10.1034/j.1600-065x.2002.18910.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
While much interest has focused on the finding that T cell-antigen presenting cell (APC) interaction induces the recruitment of proteins to the immunological synapse (IS), we have recently discovered that APC binding induces the formation of a novel protein complex distal to the site of T-cell receptor ligation. This 'distal pole complex' (DPC) is important for appropriate T-cell activation, functioning either to remove proteins from the synapse or as a signaling complex in its own right. The first component of the DPC to be identified was CD43, a cell-surface mucin that has been proposed to function as a negative regulator of T-cell signaling. CD43 movement was found to depend on ezrin and moesin, members of the ERM family, which serve to link CD43 and other cargo molecules to the actin cytoskeleton. ERM proteins interact with several other important surface receptors and cytoplasmic signaling molecules, some of which we have identified as additional components of the DPC. Disruption of the DPC leaves early T-cell activation events intact but affects cytokine expression. Here, we review what is currently known about the formation and function of the DPC and speculate on how this novel protein complex serves to facilitate T-cell activation.
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Affiliation(s)
- Patrick Cullinan
- Department of Pathology, The University of Chicago, Chicago, Illinois 60637, USA
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Maeda A, Amano M, Fukata Y, Kaibuchi K. Translocation of Na(+),K(+)-ATPase is induced by Rho small GTPase in renal epithelial cells. Biochem Biophys Res Commun 2002; 297:1231-7. [PMID: 12372419 DOI: 10.1016/s0006-291x(02)02342-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The distribution of transmembrane proteins is considered to be crucial for their activities because these proteins mediate the information coming from outside of cells. A small GTPase Rho participates in many cellular functions through its downstream effectors. In this study, we examined the effects of RhoA on the distribution of Na(+),K(+)-ATPase, one of the transmembrane proteins. In polarized renal epithelium, Na(+),K(+)-ATPase is known to be localized at the basolateral membrane. By microinjection of the constitutively active mutant of RhoA (RhoA(Val14)) into cultured renal epithelial cells, Na(+),K(+)-ATPase was translocated to the spike-like protrusions over the apical surfaces. Microinjection of the constitutively active mutant of other Rho family GTPases, Rac1 or Cdcd42, did not induce the translocation. The translocation induced by RhoA(Val14) was inhibited by treatment with Y-27632, a Rho-kinase specific inhibitor, or by coinjection of the dominant negative mutant of Rho-kinase. These results indicate that Rho and Rho-kinase are involved in the regulation of the localization of Na(+),K(+)-ATPase. We also found that Na(+),K(+)-ATPase seemed to be colocalized with ERM proteins phosphorylated at T567 (ezrin), T564 (radixin), and T558 (moesin) in cells microinjected with RhoA(Val14).
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Affiliation(s)
- Akio Maeda
- Department of Cell Pharmacology, Nagoya University, Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, 466-8550, Aichi, Japan
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Fujita A, Horio Y, Higashi K, Mouri T, Hata F, Takeguchi N, Kurachi Y. Specific localization of an inwardly rectifying K(+) channel, Kir4.1, at the apical membrane of rat gastric parietal cells; its possible involvement in K(+) recycling for the H(+)-K(+)-pump. J Physiol 2002; 540:85-92. [PMID: 11927671 PMCID: PMC2290207 DOI: 10.1113/jphysiol.2001.013439] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Hydrochloric acid (HCl) is produced in parietal cells of gastric epithelium by a H(+)-K(+) pump. Protons are secreted into the gastric lumen in exchange for K(+) by the action of the H(+)-K(+)-ATPase. Luminal K(+) is essential for the operation of the pump and is thought to be supplied by unidentified K(+) channels localized at the apical membrane of parietal cells. In this study, we showed that histamine- and carbachol-induced acid secretion from isolated parietal cells monitored by intracellular accumulation of aminopyrine was depressed by Ba(2+), an inhibitor of inwardly rectifying K(+) channels. Among members of the inwardly rectifying K(+) channel family, we found with reverse transcriptase-polymerase chain reaction analyses that Kir4.1, Kir4.2 and Kir7.1 were expressed in rat gastric mucosa. With immunohistochemical analyses, Kir4.1 was found to be expressed in gastric parietal cells and localized specifically at their apical membrane. The current flowing through Kir4.1 channel expressed in HEK293T cells was not affected by reduction of extracellular pH from 7.4 to 3. These results suggest that Kir4.1 may be involved in the K(+) recycling pathway in the apical membrane which is required for activation of the H(+)-K(+) pump in gastric parietal cells.
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Affiliation(s)
- Akikazu Fujita
- Department of Pharmacology II, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
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Firestein BL, Rongo C. DLG-1 is a MAGUK similar to SAP97 and is required for adherens junction formation. Mol Biol Cell 2001; 12:3465-75. [PMID: 11694581 PMCID: PMC60268 DOI: 10.1091/mbc.12.11.3465] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2001] [Revised: 08/17/2001] [Accepted: 08/23/2001] [Indexed: 12/27/2022] Open
Abstract
Cellular junctions are critical for intercellular communication and for the assembly of cells into tissues. Cell junctions often consist of tight junctions, which form a permeability barrier and prevent the diffusion of lipids and proteins between cell compartments, and adherens junctions, which control the adhesion of cells and link cortical actin filaments to attachment sites on the plasma membrane. Proper tight junction formation and cell polarity require the function of membrane-associated guanylate kinases (MAGUKs) that contain the PDZ protein-protein interaction domain. In contrast, less is known about how adherens junctions are assembled. Here we describe how the PDZ-containing protein DLG-1 is required for the proper formation and function of adherens junctions in Caenorhabditis elegans. DLG-1 is a MAGUK protein that is most similar in sequence to mammalian SAP97, which is found at both synapses of the CNS, as well as at cell junctions of epithelia. DLG-1 is localized to adherens junctions, and DLG-1 localization is mediated by an amino-terminal domain shared with SAP97 but not found in other MAGUK family members. DLG-1 recruits other proteins and signaling molecules to adherens junctions, while embryos that lack DLG-1 fail to recruit the proteins AJM-1 and CPI-1 to adherens junctions. DLG-1 is required for the proper organization of the actin cytoskeleton and for the morphological elongation of embryos. In contrast to other proteins that have been observed to affect adherens junction assembly and function, DLG-1 is not required to maintain cell polarity. Our results suggest a new function for MAGUK proteins distinct from their role in cell polarity.
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Affiliation(s)
- B L Firestein
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
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Jöns T, Lehnardt S, Bigalke H, Heim HK, Ahnert-Hilger G. SNARE proteins and rab3A contribute to canalicular formation in parietal cells. Eur J Cell Biol 1999; 78:779-86. [PMID: 10604654 DOI: 10.1016/s0171-9335(99)80028-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
SNARE proteins - rab3A - parietal cells - H+/K+-ATPase When stimulated by histamine, acetylcholine, or gastrin the luminal compartments of oxyntic parietal cells display conspicuous morphological changes. The luminal plasma membrane surface becomes greatly expanded, while the cytoplasmic tubulovesicles are decreased in parallel. Due to these membrane rearrangements the H+/K(+)-ATPase obtains access to the luminal surface, where proton secretion occurs. The stimulation-induced translocation of H+/K(+)-ATPase involves a fusion process. Exocytotic membrane fusion in neurons is achieved by the highly regulated interaction of mainly three proteins, the vesicle protein synaptobrevin and the plasma membrane proteins syntaxin and SNAP25 (synaptosomal-associated protein of 25 kDa), also referred to as SNARE proteins. Using immunofluorescence microscopy we analysed the subcellular distribution of neuronal synaptic proteins and rab3A in resting and stimulated parietal cells from pig and rat. In resting cells all synaptic proteins colocalized with the H+/ K(+)-ATPase trapped in the tubulovesicular compartment. After stimulation, translocated H+/K(+)-ATPase showed a typical canalicular distribution. Syntaxin, synaptobrevin, SNAP25 and rab3A underwent a similar redistribution in stimulated cells and consequently localized to the canalicular compartment. Using immunoprecipitation we found that the SNARE complex consisting of synaptobrevin, syntaxin and SNAP25, which is a prerequisite for membrane fusion in neurons, is also assembled in parietal cells. In addition the parietal cell-derived synaptobrevin could be proteolytically cleaved by tetanus toxin light chain. These data may provide evidence that SNARE proteins and rab3A are functionally involved in the stimulation-induced translocation of the H+/K(+)-ATPase.
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Affiliation(s)
- T Jöns
- Institut für Anatomie der Charité, Humboldt-Universität zu Berlin, Germany.
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