1
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Burcklé C, Raitière J, Michaux G, Kodjabachian L, Le Bivic A. Crb3 is required to organize the apical domain of multiciliated cells. J Cell Sci 2024; 137:jcs261046. [PMID: 37840525 DOI: 10.1242/jcs.261046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 10/10/2023] [Indexed: 10/17/2023] Open
Abstract
Cell shape changes mainly rely on the remodeling of the actin cytoskeleton. Multiciliated cells (MCCs) of the mucociliary epidermis of Xenopus laevis embryos, as they mature, dramatically reshape their apical domain to grow cilia, in coordination with the underlying actin cytoskeleton. Crumbs (Crb) proteins are multifaceted transmembrane apical polarity proteins known to recruit actin linkers and promote apical membrane growth. Here, we identify the homeolog Crb3.L as an important player for the migration of centrioles or basal bodies (collectively centrioles/BBs) and apical domain morphogenesis in MCCs. Crb3.L is present in cytoplasmic vesicles close to the ascending centrioles/BBs, where it partially colocalizes with Rab11a. Crb3.L morpholino-mediated depletion in MCCs caused abnormal migration of centrioles/BBs, a reduction of their apical surface, disorganization of their apical actin meshwork and defective ciliogenesis. Rab11a morpholino-mediated depletion phenocopied Crb3.L loss-of-function in MCCs. Thus, the control of centrioles/BBs migration by Crb3.L might be mediated by Rab11a-dependent apical trafficking. Furthermore, we show that both phospho-activated ERM (pERM; Ezrin-Radixin-Moesin) and Crb3.L are recruited to the growing apical domain of MCCs, where Crb3.L likely anchors pERM, allowing actin-dependent expansion of the apical membrane.
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Affiliation(s)
- Céline Burcklé
- Aix-Marseille University, CNRS, UMR 7288, Developmental Biology Institute of Marseille (IBDM), Marseille, F-13288 France
| | - Juliette Raitière
- Aix-Marseille University, CNRS, UMR 7288, Developmental Biology Institute of Marseille (IBDM), Marseille, F-13288 France
| | - Grégoire Michaux
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes), UMR 6290, F-35000 Rennes, France
| | - Laurent Kodjabachian
- Aix Marseille University, CNRS, UMR 7288, Developmental Biology Institute of Marseille (IBDM), Turing Centre for Living Systems, Marseille, F-13288 France
| | - André Le Bivic
- Aix-Marseille University, CNRS, UMR 7288, Developmental Biology Institute of Marseille (IBDM), Marseille, F-13288 France
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2
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Zhao H, Shi L, Li Z, Kong R, Jia L, Lu S, Wang JH, Dong MQ, Guo X, Li Z. Diamond controls epithelial polarity through the dynactin-dynein complex. Traffic 2023; 24:552-563. [PMID: 37642208 DOI: 10.1111/tra.12917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 07/10/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023]
Abstract
Epithelial polarity is critical for proper functions of epithelial tissues, tumorigenesis, and metastasis. The evolutionarily conserved transmembrane protein Crumbs (Crb) is a key regulator of epithelial polarity. Both Crb protein and its transcripts are apically localized in epithelial cells. However, it remains not fully understood how they are targeted to the apical domain. Here, using Drosophila ovarian follicular epithelia as a model, we show that epithelial polarity is lost and Crb protein is absent in the apical domain in follicular cells (FCs) in the absence of Diamond (Dind). Interestingly, Dind is found to associate with different components of the dynactin-dynein complex through co-IP-MS analysis. Dind stabilizes dynactin and depletion of dynactin results in almost identical defects as those observed in dind-defective FCs. Finally, both Dind and dynactin are also required for the apical localization of crb transcripts in FCs. Thus our data illustrate that Dind functions through dynactin/dynein-mediated transport of both Crb protein and its transcripts to the apical domain to control epithelial apico-basal (A/B) polarity.
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Affiliation(s)
- Hang Zhao
- College of Life Sciences, Capital Normal University, Beijing, China
| | - Lin Shi
- College of Life Sciences, Capital Normal University, Beijing, China
| | - Zhengran Li
- College of Life Sciences, Capital Normal University, Beijing, China
| | - Ruiyan Kong
- College of Life Sciences, Capital Normal University, Beijing, China
| | - Lemei Jia
- National Institute of Biological Sciences (NIBS), Beijing, China
| | - Shan Lu
- National Institute of Biological Sciences (NIBS), Beijing, China
| | - Jian-Hua Wang
- National Institute of Biological Sciences (NIBS), Beijing, China
| | - Meng-Qiu Dong
- National Institute of Biological Sciences (NIBS), Beijing, China
| | - Xuan Guo
- Life Science Institute, Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Zhouhua Li
- College of Life Sciences, Capital Normal University, Beijing, China
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3
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Buck TM, Quinn PMJ, Pellissier LP, Mulder AA, Jongejan A, Lu X, Boon N, Koot D, Almushattat H, Arendzen CH, Vos RM, Bradley EJ, Freund C, Mikkers HMM, Boon CJF, Moerland PD, Baas F, Koster AJ, Neefjes J, Berlin I, Jost CR, Wijnholds J. CRB1 is required for recycling by RAB11A+ vesicles in human retinal organoids. Stem Cell Reports 2023; 18:1793-1810. [PMID: 37541258 PMCID: PMC10545476 DOI: 10.1016/j.stemcr.2023.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 08/06/2023] Open
Abstract
CRB1 gene mutations can cause early- or late-onset retinitis pigmentosa, Leber congenital amaurosis, or maculopathy. Recapitulating human CRB1 phenotypes in animal models has proven challenging, necessitating the development of alternatives. We generated human induced pluripotent stem cell (iPSC)-derived retinal organoids of patients with retinitis pigmentosa caused by biallelic CRB1 mutations and evaluated them against autologous gene-corrected hiPSCs and hiPSCs from healthy individuals. Patient organoids show decreased levels of CRB1 and NOTCH1 expression at the retinal outer limiting membrane. Proximity ligation assays show that human CRB1 and NOTCH1 can interact via their extracellular domains. CRB1 patient organoids feature increased levels of WDFY1+ vesicles, fewer RAB11A+ recycling endosomes, decreased VPS35 retromer complex components, and more degradative endolysosomal compartments relative to isogenic control organoids. Taken together, our data demonstrate that patient-derived retinal organoids enable modeling of retinal degeneration and highlight the importance of CRB1 in early endosome maturation receptor recycling in the retina.
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Affiliation(s)
- Thilo M Buck
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands
| | - Peter M J Quinn
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands
| | - Lucie P Pellissier
- Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW), Amsterdam 1105 BA, the Netherlands
| | - Aat A Mulder
- Department of Cell & Chemical Biology, Leiden University Medical Center (LUMC), Leiden 2300 RC, the Netherlands
| | - Aldo Jongejan
- Bioinformatics Laboratory, Epidemiology & Data Science, Amsterdam University Medical Centers, Amsterdam 1105 AZ, the Netherlands
| | - Xuefei Lu
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands
| | - Nanda Boon
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands
| | - Daniëlle Koot
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands
| | - Hind Almushattat
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands
| | | | - Rogier M Vos
- Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW), Amsterdam 1105 BA, the Netherlands
| | - Edward J Bradley
- Department of Genome Analysis, Amsterdam University Medical Centers, Amsterdam 1105 AZ, the Netherlands
| | - Christian Freund
- Leiden University Medical Center hiPSC Hotel, Leiden 2333 ZA, the Netherlands
| | - Harald M M Mikkers
- Department of Cell & Chemical Biology, Leiden University Medical Center (LUMC), Leiden 2300 RC, the Netherlands; Leiden University Medical Center hiPSC Hotel, Leiden 2333 ZA, the Netherlands
| | - Camiel J F Boon
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands; Department of Ophthalmology, Amsterdam University Medical Centers, Academic Medical Center, University of Amsterdam, Amsterdam 1000 AE, the Netherlands
| | - Perry D Moerland
- Bioinformatics Laboratory, Epidemiology & Data Science, Amsterdam University Medical Centers, Amsterdam 1105 AZ, the Netherlands
| | - Frank Baas
- Department of Genome Analysis, Amsterdam University Medical Centers, Amsterdam 1105 AZ, the Netherlands; Department of Clinical Genetics/LDGA, Leiden University Medical Center, Leiden 2333 ZA, the Netherlands
| | - Abraham J Koster
- Department of Cell & Chemical Biology, Leiden University Medical Center (LUMC), Leiden 2300 RC, the Netherlands
| | - Jacques Neefjes
- Department of Cell & Chemical Biology, Leiden University Medical Center (LUMC), Leiden 2300 RC, the Netherlands
| | - Ilana Berlin
- Department of Cell & Chemical Biology, Leiden University Medical Center (LUMC), Leiden 2300 RC, the Netherlands
| | - Carolina R Jost
- Department of Cell & Chemical Biology, Leiden University Medical Center (LUMC), Leiden 2300 RC, the Netherlands
| | - Jan Wijnholds
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Leiden 2333 ZA, the Netherlands; Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW), Amsterdam 1105 BA, the Netherlands.
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4
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Boon N, Lu X, Andriessen CA, Moustakas I, Buck TM, Freund C, Arendzen CH, Böhringer S, Mei H, Wijnholds J. AAV-mediated gene augmentation therapy of CRB1 patient-derived retinal organoids restores the histological and transcriptional retinal phenotype. Stem Cell Reports 2023; 18:1123-1137. [PMID: 37084726 DOI: 10.1016/j.stemcr.2023.03.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 04/23/2023] Open
Abstract
Retinitis pigmentosa and Leber congenital amaurosis are inherited retinal dystrophies that can be caused by mutations in the Crumbs homolog 1 (CRB1) gene. CRB1 is required for organizing apical-basal polarity and adhesion between photoreceptors and Müller glial cells. CRB1 patient-derived induced pluripotent stem cells were differentiated into CRB1 retinal organoids that showed diminished expression of variant CRB1 protein observed by immunohistochemical analysis. Single-cell RNA sequencing revealed impact on, among others, the endosomal pathway and cell adhesion and migration in CRB1 patient-derived retinal organoids compared with isogenic controls. Adeno-associated viral (AAV) vector-mediated hCRB2 or hCRB1 gene augmentation in Müller glial and photoreceptor cells partially restored the histological phenotype and transcriptomic profile of CRB1 patient-derived retinal organoids. Altogether, we show proof-of-concept that AAV.hCRB1 or AAV.hCRB2 treatment improved the phenotype of CRB1 patient-derived retinal organoids, providing essential information for future gene therapy approaches for patients with mutations in the CRB1 gene.
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Affiliation(s)
- Nanda Boon
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Xuefei Lu
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Charlotte A Andriessen
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Ioannis Moustakas
- Sequencing Analysis Support Core, Department of Biomedical Data Sciences, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Thilo M Buck
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Christian Freund
- hiPSC Hotel, Department of Anatomy and Embryology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Christiaan H Arendzen
- hiPSC Hotel, Department of Anatomy and Embryology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Stefan Böhringer
- Department of Biomedical Data Sciences, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Hailiang Mei
- Sequencing Analysis Support Core, Department of Biomedical Data Sciences, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Jan Wijnholds
- Department of Ophthalmology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA Leiden, the Netherlands; Netherlands Institute for Neuroscience, an Institute of the Royal Netherlands Academy of Arts and Sciences (KNAW), Meibergdreef 47, 1105 BA Amsterdam, the Netherlands.
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5
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Bonello TT, Cai D, Fletcher GC, Wiengartner K, Pengilly V, Lange KS, Liu Z, Lippincott‐Schwartz J, Kavran JM, Thompson BJ. Phase separation of Hippo signalling complexes. EMBO J 2023; 42:e112863. [PMID: 36807601 PMCID: PMC10015380 DOI: 10.15252/embj.2022112863] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/12/2023] [Accepted: 01/23/2023] [Indexed: 02/22/2023] Open
Abstract
The Hippo pathway was originally discovered to control tissue growth in Drosophila and includes the Hippo kinase (Hpo; MST1/2 in mammals), scaffold protein Salvador (Sav; SAV1 in mammals) and the Warts kinase (Wts; LATS1/2 in mammals). The Hpo kinase is activated by binding to Crumbs-Expanded (Crb-Ex) and/or Merlin-Kibra (Mer-Kib) proteins at the apical domain of epithelial cells. Here we show that activation of Hpo also involves the formation of supramolecular complexes with properties of a biomolecular condensate, including concentration dependence and sensitivity to starvation, macromolecular crowding, or 1,6-hexanediol treatment. Overexpressing Ex or Kib induces formation of micron-scale Hpo condensates in the cytoplasm, rather than at the apical membrane. Several Hippo pathway components contain unstructured low-complexity domains and purified Hpo-Sav complexes undergo phase separation in vitro. Formation of Hpo condensates is conserved in human cells. We propose that apical Hpo kinase activation occurs in phase separated "signalosomes" induced by clustering of upstream pathway components.
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Affiliation(s)
- Teresa T Bonello
- EMBL Australia, John Curtin School of Medical ResearchAustralian National UniversityCanberraACTAustralia
| | - Danfeng Cai
- HHMI Janelia Research CampusAshburnVAUSA
- Department of Biochemistry and Molecular BiologyBloomberg School of Public HealthBaltimoreMDUSA
| | | | - Kyler Wiengartner
- Department of Biochemistry and Molecular BiologyBloomberg School of Public HealthBaltimoreMDUSA
| | - Victoria Pengilly
- EMBL Australia, John Curtin School of Medical ResearchAustralian National UniversityCanberraACTAustralia
| | - Kimberly S Lange
- Department of Biochemistry and Molecular BiologyBloomberg School of Public HealthBaltimoreMDUSA
| | - Zhe Liu
- HHMI Janelia Research CampusAshburnVAUSA
| | | | - Jennifer M Kavran
- Department of Biochemistry and Molecular BiologyBloomberg School of Public HealthBaltimoreMDUSA
- Department of Biophysics and Biophysical Chemistry, and Department of OncologyJohns Hopkins School of MedicineBaltimoreMDUSA
| | - Barry J Thompson
- EMBL Australia, John Curtin School of Medical ResearchAustralian National UniversityCanberraACTAustralia
- Epithelial Biology LaboratoryThe Francis Crick InstituteLondonUK
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6
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Nandy N, Roy JK. Rab11 negatively regulates wingless preventing JNK-mediated apoptosis in Drosophila epithelium during embryonic dorsal closure. Cell Tissue Res 2023; 391:485-504. [PMID: 36705747 DOI: 10.1007/s00441-023-03740-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/12/2023] [Indexed: 01/28/2023]
Abstract
Rab11, a small Ras like GTPase marking the recycling endosomes, plays instrumental roles in Drosophila embryonic epithelial morphogenesis where an array of reports testify its importance in the maintenance of cyto-architectural as well as functional attributes of the concerned cells. Proper Rab11 functions ensure a precise regulation of developmentally active cell signaling pathways which in turn promote the expression of morphogens and other physico-chemical cues which finally forge an embryo out of a single layer of cells. Earlier reports have established that Rab11 functions are vital for fly embryonic development where amorphic mutants such as EP3017 homozygotes show a fair degree of epithelial defects along with incomplete dorsal closure. Here, we present a detailed account of the effects of Rab11 loss of function in the dorso-lateral epithelium which resulted in severe dorsal closure defects along with an elevated JNK-Dpp expression. We further observed that the dorso-lateral epithelial cells undergo epithelial to mesenchymal transition as well as apoptosis in Rab11 mutants with elevated expression levels of MMP1 and Caspase-3, where Caspase-3 contributes to the Rab11 knockout phenotype contrary to the knockdown mutants or hypomorphs. Interestingly, the elevated expressions of the core JNK-Dpp signaling could be rescued with a simultaneous knockdown of wingless in the Rab11 knockout mutants suggesting a genetic interaction of Rab11 with the Wingless pathway during dorsal closure, an ideal model of epithelial wound healing.
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Affiliation(s)
- Nabarun Nandy
- Cytogenetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi, 221005, India
| | - Jagat Kumar Roy
- Cytogenetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi, 221005, India.
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7
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Structure Composition and Intracellular Transport of Clathrin-Mediated Intestinal Transmembrane Tight Junction Protein. Inflammation 2023; 46:18-34. [PMID: 36050591 DOI: 10.1007/s10753-022-01724-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/20/2022] [Accepted: 07/27/2022] [Indexed: 11/05/2022]
Abstract
Tight junctions (TJs) are located in the apical region of the junctions between epithelial cells and are widely found in organs such as the brain, retina, intestinal epithelium, and endothelial system. As a mechanical barrier of the intestinal mucosa, TJs can not only maintain the integrity of intestinal epithelial cells but also maintain intestinal mucosal permeability by regulating the entry of ions and molecules into paracellular channels. Therefore, the formation disorder or integrity destruction of TJs can induce damage to the intestinal epithelial barrier, ultimately leading to the occurrence of various gastrointestinal diseases, such as inflammatory bowel disease (IBD), gastroesophageal reflux disease (GERD), and irritable bowel syndrome (IBS). However, a large number of studies have shown that TJs protein transport disorder from the endoplasmic reticulum to the apical membrane can lead to TJs formation disorder, in addition to disruption of TJs integrity caused by external pathological factors and reduction of TJs protein synthesis. In this review, we focus on the structural composition of TJs, the formation of clathrin-coated vesicles containing transmembrane TJs from the Golgi apparatus, and the transport process from the Golgi apparatus to the plasma membrane via microtubules and finally fusion with the plasma membrane. At present, the mechanism of the intracellular transport of TJ proteins remains unclear. More studies are needed in the future to focus on the sorting of TJs protein vesicles, regulation of transport processes, and recycling of TJ proteins, etc.
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8
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Brault J, Bardin S, Lampic M, Carpentieri JA, Coquand L, Penisson M, Lachuer H, Victoria GS, Baloul S, El Marjou F, Boncompain G, Miserey‐Lenkei S, Belvindrah R, Fraisier V, Francis F, Perez F, Goud B, Baffet AD. RAB6
and dynein drive
post‐Golgi
apical transport to prevent neuronal progenitor delamination. EMBO Rep 2022; 23:e54605. [PMID: 35979738 PMCID: PMC9535803 DOI: 10.15252/embr.202254605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 07/18/2022] [Accepted: 07/25/2022] [Indexed: 12/03/2022] Open
Abstract
Radial glial (RG) cells are the neural stem cells of the developing neocortex. Apical RG (aRG) cells can delaminate to generate basal RG (bRG) cells, a cell type associated with human brain expansion. Here, we report that aRG delamination is regulated by the post‐Golgi secretory pathway. Using in situ subcellular live imaging, we show that post‐Golgi transport of RAB6+ vesicles occurs toward the minus ends of microtubules and depends on dynein. We demonstrate that the apical determinant Crumbs3 (CRB3) is also transported by dynein. Double knockout of RAB6A/A' and RAB6B impairs apical localization of CRB3 and induces a retraction of aRG cell apical process, leading to delamination and ectopic division. These defects are phenocopied by knockout of the dynein activator LIS1. Overall, our results identify a RAB6‐dynein‐LIS1 complex for Golgi to apical surface transport in aRG cells, and highlights the role of this pathway in the maintenance of neuroepithelial integrity.
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Affiliation(s)
| | - Sabine Bardin
- Institut Curie PSL Research University, CNRS UMR144 Paris France
| | - Marusa Lampic
- Institut Curie PSL Research University, CNRS UMR144 Paris France
| | | | - Laure Coquand
- Institut Curie PSL Research University, CNRS UMR144 Paris France
- Sorbonne University Paris France
| | - Maxime Penisson
- Sorbonne University Paris France
- INSERM UMR‐S 1270 Paris France
- Institut du Fer à Moulin Paris France
| | - Hugo Lachuer
- Institut Curie PSL Research University, CNRS UMR144 Paris France
| | | | - Sarah Baloul
- Institut Curie PSL Research University, CNRS UMR144 Paris France
| | - Fatima El Marjou
- Institut Curie PSL Research University, CNRS UMR144 Paris France
| | | | | | - Richard Belvindrah
- Sorbonne University Paris France
- INSERM UMR‐S 1270 Paris France
- Institut du Fer à Moulin Paris France
| | - Vincent Fraisier
- UMR 144‐Cell and Tissue Imaging Facility (PICT‐IBiSA) CNRS‐Institut Curie Paris France
| | - Fiona Francis
- Sorbonne University Paris France
- INSERM UMR‐S 1270 Paris France
- Institut du Fer à Moulin Paris France
| | - Franck Perez
- Institut Curie PSL Research University, CNRS UMR144 Paris France
| | - Bruno Goud
- Institut Curie PSL Research University, CNRS UMR144 Paris France
| | - Alexandre D Baffet
- Institut Curie PSL Research University, CNRS UMR144 Paris France
- Institut National de la Santé et de la Recherche Médicale (INSERM) Paris France
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9
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Lu TQ, van Loon AP, Sagasti A. How to wrinkle a cell: Emerging mechanisms of microridge morphogenesis. Curr Opin Cell Biol 2022; 76:102088. [DOI: 10.1016/j.ceb.2022.102088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/27/2022] [Accepted: 04/05/2022] [Indexed: 11/26/2022]
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10
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Tanasic D, Berns N, Riechmann V. Myosin V facilitates polarised E-cadherin secretion. Traffic 2022; 23:374-390. [PMID: 35575181 DOI: 10.1111/tra.12846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/09/2022] [Accepted: 05/09/2022] [Indexed: 11/30/2022]
Abstract
E-cadherin has a fundamental role in epithelial tissues by providing cell-cell adhesion. Polarised E-cadherin exocytosis to the lateral plasma membrane is central for cell polarity and epithelial homeostasis. Loss of E-cadherin secretion compromises tissue integrity and is a prerequisite for metastasis. Despite this pivotal role of E-cadherin secretion, the transport mechanism is still unknown. Here we identify Myosin V as the motor for E-cadherin secretion. Our data reveal that Myosin V and F-actin are required for the formation of a continuous apicolateral E-cadherin belt, the zonula adherens. We show by live imaging how Myosin V transports E-cadherin vesicles to the plasma membrane, and distinguish two distinct transport tracks: an apical actin network leading to the zonula adherens and parallel actin bundles leading to the basal-most region of the lateral membrane. E-cadherin secretion starts in endosomes, where Rab11 and Sec15 recruit Myosin V for transport to the zonula adherens. We also shed light on the endosomal sorting of E-cadherin by showing how Rab7 and Snx16 cooperate in moving E-cadherin into the Rab11 compartment. Thus, our data help to understand how polarised E-cadherin secretion maintains epithelial architecture and prevents metastasis. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Dajana Tanasic
- Department of Cell and Molecular Biology and Division of Signaling and Functional Genomics at the German Cancer Research Center (DKFZ), Medical Faculty Mannheim, Heidelberg University, Ludolf-Krehl-Strasse 13-17, Mannheim, Germany
| | - Nicola Berns
- Department of Cell and Molecular Biology and Division of Signaling and Functional Genomics at the German Cancer Research Center (DKFZ), Medical Faculty Mannheim, Heidelberg University, Ludolf-Krehl-Strasse 13-17, Mannheim, Germany
| | - Veit Riechmann
- Department of Cell and Molecular Biology and Division of Signaling and Functional Genomics at the German Cancer Research Center (DKFZ), Medical Faculty Mannheim, Heidelberg University, Ludolf-Krehl-Strasse 13-17, Mannheim, Germany
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11
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Chen W, He B. Actomyosin activity-dependent apical targeting of Rab11 vesicles reinforces apical constriction. J Cell Biol 2022; 221:213118. [DOI: 10.1083/jcb.202103069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 01/23/2022] [Accepted: 03/08/2022] [Indexed: 11/22/2022] Open
Abstract
During tissue morphogenesis, the changes in cell shape, resulting from cell-generated forces, often require active regulation of intracellular trafficking. How mechanical stimuli influence intracellular trafficking and how such regulation impacts tissue mechanics are not fully understood. In this study, we identify an actomyosin-dependent mechanism involving Rab11-mediated trafficking in regulating apical constriction in the Drosophila embryo. During Drosophila mesoderm invagination, apical actin and Myosin II (actomyosin) contractility induces apical accumulation of Rab11-marked vesicle-like structures (“Rab11 vesicles”) by promoting a directional bias in dynein-mediated vesicle transport. At the apical domain, Rab11 vesicles are enriched near the adherens junctions (AJs). The apical accumulation of Rab11 vesicles is essential to prevent fragmented apical AJs, breaks in the supracellular actomyosin network, and a reduction in the apical constriction rate. This Rab11 function is separate from its role in promoting apical Myosin II accumulation. These findings suggest a feedback mechanism between actomyosin activity and Rab11-mediated intracellular trafficking that regulates the force generation machinery during tissue folding.
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Affiliation(s)
- Wei Chen
- Department of Biological Sciences, Dartmouth College, Hanover, NH
| | - Bing He
- Department of Biological Sciences, Dartmouth College, Hanover, NH
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12
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Lu W, Gelfand VI. Tissue architecture: Two kinesins collaborate in building basement membrane. Curr Biol 2022; 32:R162-R165. [PMID: 35231409 PMCID: PMC10132488 DOI: 10.1016/j.cub.2022.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Basement membranes are essential for tissue architecture and development. A new study reveals that two microtubule motors, kinesin-3 and kinesin-1, work collaboratively to direct basement membrane protein secretion in the Drosophila follicular epithelium for correct tissue movement.
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13
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Chan EHY, Zhou Y, Aerne BL, Holder MV, Weston A, Barry DJ, Collinson L, Tapon N. RASSF8-mediated transport of Echinoid via the exocyst promotes Drosophila wing elongation and epithelial ordering. Development 2021; 148:dev199731. [PMID: 34532737 PMCID: PMC8572004 DOI: 10.1242/dev.199731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 09/13/2021] [Indexed: 01/14/2023]
Abstract
Cell-cell junctions are dynamic structures that maintain cell cohesion and shape in epithelial tissues. During development, junctions undergo extensive rearrangements to drive the epithelial remodelling required for morphogenesis. This is particularly evident during axis elongation, where neighbour exchanges, cell-cell rearrangements and oriented cell divisions lead to large-scale alterations in tissue shape. Polarised vesicle trafficking of junctional components by the exocyst complex has been proposed to promote junctional rearrangements during epithelial remodelling, but the receptors that allow exocyst docking to the target membranes remain poorly understood. Here, we show that the adherens junction component Ras Association domain family 8 (RASSF8) is required for the epithelial re-ordering that occurs during Drosophila pupal wing proximo-distal elongation. We identify the exocyst component Sec15 as a RASSF8 interactor. Loss of RASSF8 elicits cytoplasmic accumulation of Sec15 and Rab11-containing vesicles. These vesicles also contain the nectin-like homophilic adhesion molecule Echinoid, the depletion of which phenocopies the wing elongation and epithelial packing defects observed in RASSF8 mutants. Thus, our results suggest that RASSF8 promotes exocyst-dependent docking of Echinoid-containing vesicles during morphogenesis.
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Affiliation(s)
- Eunice H. Y. Chan
- Apoptosis and Proliferation Control Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Yanxiang Zhou
- Apoptosis and Proliferation Control Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Birgit L. Aerne
- Apoptosis and Proliferation Control Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Maxine V. Holder
- Apoptosis and Proliferation Control Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Anne Weston
- Electron Microscopy Science Technology Platform, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - David J. Barry
- Advanced Light Microscopy Science Technology Platform, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Lucy Collinson
- Electron Microscopy Science Technology Platform, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Nicolas Tapon
- Apoptosis and Proliferation Control Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
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14
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Zhang C, Wang F, Xie Z, Chen L, Wu X. The hippo pathway orchestrates cytoskeletal organisation during intervertebral disc degeneration. Acta Histochem 2021; 123:151770. [PMID: 34438335 DOI: 10.1016/j.acthis.2021.151770] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/18/2021] [Accepted: 08/05/2021] [Indexed: 01/08/2023]
Abstract
Yes-associated protein (YAP) activity responded to physical and mechanical cues such as extracellular matrix (ECM), cell density and the mechanical regulation of YAP controlled cellular proliferation and inhibition of apoptotic signals. The intervertebral disc (IVD) comprises a heterogeneous population of cells, including those of the nucleus pulposus (NP) and annulus fibrosus (AF), which are diverse in phenotype, partly due to the different ECM and mechanical loads they experience. How do IVD cells sense microenvironment and what is the relationship between YAP and cytoskeleton in the process of intervertebral disc degeneration (IDD) are not well understood. First, Hippo pathway and cytoskeleton organisation were assessed in the NP and AF of immature (4 weeks), mature (14 weeks), aged (50 weeks), and degenerated (14 weeks, 4 weeks after annulus puncture) IVDs. Second, to assess the effect of ECM composition and cell density on cytoskeleton and YAP levels, we seeded cells at different densities on three types of ECM. In this study, YAP and F-actin activity decreased gradually with age in natural IDD. Hippo signalling was suppressed in the early stages of disc injury, demonstrating the potential for endogenous repair, but this repair did not prevent further disc degeneration. β-tubulin and vimentin filaments provide the cell with its shape and its elastic properties in resisting mechanical forces. The Hippo pathway and cytoskeleton were shown to be regulated by cell density and the ECM composition.
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15
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Badmos H, Cobbe N, Campbell A, Jackson R, Bennett D. Drosophila USP22/nonstop polarizes the actin cytoskeleton during collective border cell migration. J Cell Biol 2021; 220:212101. [PMID: 33988679 PMCID: PMC8129793 DOI: 10.1083/jcb.202007005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 02/06/2021] [Accepted: 04/23/2021] [Indexed: 01/04/2023] Open
Abstract
Polarization of the actin cytoskeleton is vital for the collective migration of cells in vivo. During invasive border cell migration in Drosophila, actin polarization is directly controlled by the Hippo signaling complex, which resides at contacts between border cells in the cluster. Here, we identify, in a genetic screen for deubiquitinating enzymes involved in border cell migration, an essential role for nonstop/USP22 in the expression of Hippo pathway components expanded and merlin. Loss of nonstop function consequently leads to a redistribution of F-actin and the polarity determinant Crumbs, loss of polarized actin protrusions, and tumbling of the border cell cluster. Nonstop is a component of the Spt-Ada-Gcn5-acetyltransferase (SAGA) transcriptional coactivator complex, but SAGA’s histone acetyltransferase module, which does not bind to expanded or merlin, is dispensable for migration. Taken together, our results uncover novel roles for SAGA-independent nonstop/USP22 in collective cell migration, which may help guide studies in other systems where USP22 is necessary for cell motility and invasion.
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Affiliation(s)
- Hammed Badmos
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, UK.,Department of Molecular Physiology and Cell Signalling, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK
| | - Neville Cobbe
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, UK
| | - Amy Campbell
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, UK
| | - Richard Jackson
- Liverpool Clinical Trials Centre, University of Liverpool, Liverpool, UK
| | - Daimark Bennett
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, UK.,Department of Molecular Physiology and Cell Signalling, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK
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16
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Le TP, Chung S. Regulation of apical constriction via microtubule- and Rab11-dependent apical transport during tissue invagination. Mol Biol Cell 2021; 32:1033-1047. [PMID: 33788621 PMCID: PMC8101490 DOI: 10.1091/mbc.e21-01-0021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The formation of an epithelial tube is a fundamental process for organogenesis. During Drosophila embryonic salivary gland (SG) invagination, Folded gastrulation (Fog)-dependent Rho-associated kinase (Rok) promotes contractile apical myosin formation to drive apical constriction. Microtubules (MTs) are also crucial for this process and are required for forming and maintaining apicomedial myosin. However, the underlying mechanism that coordinates actomyosin and MT networks still remains elusive. Here, we show that MT-dependent intracellular trafficking regulates apical constriction during SG invagination. Key components involved in protein trafficking, such as Rab11 and Nuclear fallout (Nuf), are apically enriched near the SG invagination pit in a MT-dependent manner. Disruption of the MT networks or knockdown of Rab11 impairs apicomedial myosin formation and apical constriction. We show that MTs and Rab11 are required for apical enrichment of the Fog ligand and the continuous distribution of the apical determinant protein Crumbs (Crb) and the key adherens junction protein E-Cadherin (E-Cad) along junctions. Targeted knockdown of crb or E-Cad in the SG disrupts apical myosin networks and results in apical constriction defects. Our data suggest a role of MT- and Rab11-dependent intracellular trafficking in regulating actomyosin networks and cell junctions to coordinate cell behaviors during tubular organ formation.
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Affiliation(s)
- Thao Phuong Le
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803
| | - SeYeon Chung
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803
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17
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Martin E, Girardello R, Dittmar G, Ludwig A. New insights into the organization and regulation of the apical polarity network in mammalian epithelial cells. FEBS J 2021; 288:7073-7095. [DOI: 10.1111/febs.15710] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/05/2021] [Accepted: 01/11/2021] [Indexed: 12/11/2022]
Affiliation(s)
- Eleanor Martin
- School of Biological Sciences Nanyang Technological University Singapore City Singapore
- Proteomics of Cellular Signaling Luxembourg Institute of Health Strassen Luxembourg
| | - Rossana Girardello
- School of Biological Sciences Nanyang Technological University Singapore City Singapore
- Proteomics of Cellular Signaling Luxembourg Institute of Health Strassen Luxembourg
| | - Gunnar Dittmar
- Proteomics of Cellular Signaling Luxembourg Institute of Health Strassen Luxembourg
- Department of Life Sciences and Medicine University of Luxembourg Luxembourg
| | - Alexander Ludwig
- School of Biological Sciences Nanyang Technological University Singapore City Singapore
- NTU Institute of Structural Biology (NISB) Experimental Medicine Building Nanyang Technological University Singapore City Singapore
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18
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Boon N, Wijnholds J, Pellissier LP. Research Models and Gene Augmentation Therapy for CRB1 Retinal Dystrophies. Front Neurosci 2020; 14:860. [PMID: 32922261 PMCID: PMC7456964 DOI: 10.3389/fnins.2020.00860] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 07/24/2020] [Indexed: 12/11/2022] Open
Abstract
Retinitis pigmentosa (RP) and Leber congenital amaurosis (LCA) are inherited degenerative retinal dystrophies with vision loss that ultimately lead to blindness. Several genes have been shown to be involved in early onset retinal dystrophies, including CRB1 and RPE65. Gene therapy recently became available for young RP patients with variations in the RPE65 gene. Current research programs test adeno-associated viral gene augmentation or editing therapy vectors on various disease models mimicking the disease in patients. These include several animal and emerging human-derived models, such as human-induced pluripotent stem cell (hiPSC)-derived retinal organoids or hiPSC-derived retinal pigment epithelium (RPE), and human donor retinal explants. Variations in the CRB1 gene are a major cause for early onset autosomal recessive RP with patients suffering from visual impairment before their adolescence and for LCA with newborns experiencing severe visual impairment within the first months of life. These patients cannot benefit yet from an available gene therapy treatment. In this review, we will discuss the recent advances, advantages and disadvantages of different CRB1 human and animal retinal degeneration models. In addition, we will describe novel therapeutic tools that have been developed, which could potentially be used for retinal gene augmentation therapy for RP patients with variations in the CRB1 gene.
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Affiliation(s)
- Nanda Boon
- Department of Ophthalmology, Leiden University Medical Center, Leiden, Netherlands
| | - Jan Wijnholds
- Department of Ophthalmology, Leiden University Medical Center, Leiden, Netherlands.,The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW), Amsterdam, Netherlands
| | - Lucie P Pellissier
- Biology and Bioinformatics of Signalling Systems, Physiologie de la Reproduction et des Comportements INRAE UMR 0085, CNRS UMR 7247, Université de Tours, IFCE, Nouzilly, France
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