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Luo M, He N, Xu Q, Wen Z, Wang Z, Zhao J, Liu Y. Roles of prostaglandins in immunosuppression. Clin Immunol 2024; 265:110298. [PMID: 38909972 DOI: 10.1016/j.clim.2024.110298] [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: 05/07/2024] [Revised: 06/07/2024] [Accepted: 06/21/2024] [Indexed: 06/25/2024]
Abstract
Prostaglandins (PGs) play a crucial and multifaceted role in various physiological processes such as intercellular signaling, inflammation regulation, neurotransmission, vasodilation, vasoconstriction, and reproductive functions. The diversity and biological significance of these effects are contingent upon the specific types or subtypes of PGs, with each PG playing a crucial role in distinct physiological and pathological processes. Particularly within the immune system, PGs are essential in modulating the function of immune cells and the magnitude and orientation of immune responses. Hence, a comprehensive comprehension of the functions PG signaling pathways in immunosuppressive regulation holds substantial clinical relevance for disease prevention and treatment strategies. The manuscript provides a review of recent developments in PG signaling in immunosuppressive regulation. Furthermore, the potential clinical applications of PGs in immunosuppression are also discussed. While research into the immunosuppressive effects of PGs required further exploration, targeted therapies against their immunosuppressive pathways might open new avenues for disease prevention and treatment.
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Affiliation(s)
- Minjie Luo
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha 410008, Hunan, China; Sepsis Translational Medicine Key Lab of Hunan Province, Changsha 410008, Hunan, China; National Medicine Functional Experimental Teaching Center, Changsha 410008, Hunan, China
| | - Nina He
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha 410008, Hunan, China; Sepsis Translational Medicine Key Lab of Hunan Province, Changsha 410008, Hunan, China; National Medicine Functional Experimental Teaching Center, Changsha 410008, Hunan, China
| | - Qing Xu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha 410008, Hunan, China; Sepsis Translational Medicine Key Lab of Hunan Province, Changsha 410008, Hunan, China; National Medicine Functional Experimental Teaching Center, Changsha 410008, Hunan, China
| | - Zhongchi Wen
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha 410008, Hunan, China; Sepsis Translational Medicine Key Lab of Hunan Province, Changsha 410008, Hunan, China; National Medicine Functional Experimental Teaching Center, Changsha 410008, Hunan, China
| | - Ziqin Wang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha 410008, Hunan, China; Sepsis Translational Medicine Key Lab of Hunan Province, Changsha 410008, Hunan, China; National Medicine Functional Experimental Teaching Center, Changsha 410008, Hunan, China
| | - Jie Zhao
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha 410008, Hunan, China; Sepsis Translational Medicine Key Lab of Hunan Province, Changsha 410008, Hunan, China; National Medicine Functional Experimental Teaching Center, Changsha 410008, Hunan, China.
| | - Ying Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China; Department of Pathophysiology, Xiangya School of Medicine, Central South University, Changsha 410008, Hunan, China; Sepsis Translational Medicine Key Lab of Hunan Province, Changsha 410008, Hunan, China; National Medicine Functional Experimental Teaching Center, Changsha 410008, Hunan, China.
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2
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Lv X, Gao K, Nie J, Zhang X, Zhang S, Ren Y, Sun X, Li Q, Huang J, Liu L, Zhang X, Zhang W, Liu X. Structures of human prostaglandin F 2α receptor reveal the mechanism of ligand and G protein selectivity. Nat Commun 2023; 14:8136. [PMID: 38065938 PMCID: PMC10709307 DOI: 10.1038/s41467-023-43922-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
Prostaglandins and their receptors regulate various physiological processes. Carboprost, an analog of prostaglandin F2α and an agonist for the prostaglandin F2-alpha receptor (FP receptor), is clinically used to treat postpartum hemorrhage (PPH). However, off-target activation of closely related receptors such as the prostaglandin E receptor subtype EP3 (EP3 receptor) by carboprost results in side effects and limits the clinical application. Meanwhile, the FP receptor selective agonist latanoprost is not suitable to treat PPH due to its poor solubility and fast clearance. Here, we present two cryo-EM structures of the FP receptor bound to carboprost and latanoprost-FA (the free acid form of latanoprost) at 2.7 Å and 3.2 Å resolution, respectively. The structures reveal the molecular mechanism of FP receptor selectivity for both endogenous prostaglandins and clinical drugs, as well as the molecular mechanism of G protein coupling preference by the prostaglandin receptors. The structural information may guide the development of better prostaglandin drugs.
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Affiliation(s)
- Xiuqing Lv
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, China
| | - Kaixuan Gao
- State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
- Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China
| | - Jia Nie
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, China
| | - Xin Zhang
- State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
- Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China
| | - Shuhao Zhang
- State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
- Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China
| | - Yinhang Ren
- State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
- Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China
| | - Xiaoou Sun
- Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China
- School of Medicine, Tsinghua University, Beijing, China
| | - Qi Li
- Reproductive Medicine Center, Xiangya Hospital Central South University, Changsha, China
| | - Jingrui Huang
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, China
| | - Lijuan Liu
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, China
| | - Xiaowen Zhang
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, China
| | - Weishe Zhang
- Department of Obstetrics, Xiangya Hospital Central South University, Changsha, China.
- Hunan Engineering Research Center of Early Life Development and Disease Prevention, Changsha, China.
| | - Xiangyu Liu
- State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.
- Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China.
- Beijing Key Laboratory of Cardiovascular Receptors Research, Peking University, Beijing, China.
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3
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Wesselman HM, Arceri L, Nguyen TK, Lara CM, Wingert RA. Genetic mechanisms of multiciliated cell development: from fate choice to differentiation in zebrafish and other models. FEBS J 2023. [PMID: 37997009 DOI: 10.1111/febs.17012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 10/17/2023] [Accepted: 11/21/2023] [Indexed: 11/25/2023]
Abstract
Multiciliated cells (MCCS) form bundles of cilia and their activities are essential for the proper development and physiology of many organ systems. Not surprisingly, defects in MCCs have profound consequences and are associated with numerous disease states. Here, we discuss the current understanding of MCC formation, with a special focus on the genetic and molecular mechanisms of MCC fate choice and differentiation. Furthermore, we cast a spotlight on the use of zebrafish to study MCC ontogeny and several recent advances made in understanding MCCs using this vertebrate model to delineate mechanisms of MCC emergence in the developing kidney.
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Affiliation(s)
| | - Liana Arceri
- Department of Biological Sciences, University of Notre Dame, IN, USA
| | - Thanh Khoa Nguyen
- Department of Biological Sciences, University of Notre Dame, IN, USA
| | - Caroline M Lara
- Department of Biological Sciences, University of Notre Dame, IN, USA
| | - Rebecca A Wingert
- Department of Biological Sciences, University of Notre Dame, IN, USA
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4
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Wu X, Du YZ. Nanodrug Delivery Strategies to Signaling Pathways in Alopecia. Mol Pharm 2023; 20:5396-5415. [PMID: 37817669 DOI: 10.1021/acs.molpharmaceut.3c00620] [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] [Indexed: 10/12/2023]
Abstract
Over 50% of the global population suffers from hair loss. The mixed results in the treatment of hair loss reveal the limitations of conventional commercial topical drugs. One the one hand, the definite pathogenesis of hair loss is still an enigma. On the other hand, targeted drug carriers ensure the drug therapeutic effect and low side effects. This review highlights the organization and overview of nine crucial signaling pathways associated with hair loss, as well as the development of nanobased topical delivery systems loading the clinical drugs, which will fuel emerging hair loss treatment strategies.
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Affiliation(s)
- Xiaochuan Wu
- Jinhua Institute of Zhejiang University, Jinhua, Zhejiang 321299, China
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Yong-Zhong Du
- Jinhua Institute of Zhejiang University, Jinhua, Zhejiang 321299, China
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
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Gopalakrishnan J, Feistel K, Friedrich BM, Grapin‐Botton A, Jurisch‐Yaksi N, Mass E, Mick DU, Müller R, May‐Simera H, Schermer B, Schmidts M, Walentek P, Wachten D. Emerging principles of primary cilia dynamics in controlling tissue organization and function. EMBO J 2023; 42:e113891. [PMID: 37743763 PMCID: PMC10620770 DOI: 10.15252/embj.2023113891] [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: 02/27/2023] [Revised: 08/07/2023] [Accepted: 09/08/2023] [Indexed: 09/26/2023] Open
Abstract
Primary cilia project from the surface of most vertebrate cells and are key in sensing extracellular signals and locally transducing this information into a cellular response. Recent findings show that primary cilia are not merely static organelles with a distinct lipid and protein composition. Instead, the function of primary cilia relies on the dynamic composition of molecules within the cilium, the context-dependent sensing and processing of extracellular stimuli, and cycles of assembly and disassembly in a cell- and tissue-specific manner. Thereby, primary cilia dynamically integrate different cellular inputs and control cell fate and function during tissue development. Here, we review the recently emerging concept of primary cilia dynamics in tissue development, organization, remodeling, and function.
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Affiliation(s)
- Jay Gopalakrishnan
- Institute for Human Genetics, Heinrich‐Heine‐UniversitätUniversitätsklinikum DüsseldorfDüsseldorfGermany
| | - Kerstin Feistel
- Department of Zoology, Institute of BiologyUniversity of HohenheimStuttgartGermany
| | | | - Anne Grapin‐Botton
- Cluster of Excellence Physics of Life, TU DresdenDresdenGermany
- Max Planck Institute of Molecular Cell Biology and GeneticsDresdenGermany
- Paul Langerhans Institute Dresden of the Helmholtz Center Munich at The University Hospital Carl Gustav Carus and Faculty of Medicine of the TU DresdenDresdenGermany
| | - Nathalie Jurisch‐Yaksi
- Department of Clinical and Molecular MedicineNorwegian University of Science and TechnologyTrondheimNorway
| | - Elvira Mass
- Life and Medical Sciences Institute, Developmental Biology of the Immune SystemUniversity of BonnBonnGermany
| | - David U Mick
- Center for Molecular Signaling (PZMS), Center of Human and Molecular Biology (ZHMB)Saarland School of MedicineHomburgGermany
| | - Roman‐Ulrich Müller
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital CologneUniversity of CologneCologneGermany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging‐Associated Diseases (CECAD), Faculty of Medicine and University Hospital CologneUniversity of CologneCologneGermany
| | - Helen May‐Simera
- Institute of Molecular PhysiologyJohannes Gutenberg‐UniversityMainzGermany
| | - Bernhard Schermer
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital CologneUniversity of CologneCologneGermany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging‐Associated Diseases (CECAD), Faculty of Medicine and University Hospital CologneUniversity of CologneCologneGermany
| | - Miriam Schmidts
- Pediatric Genetics Division, Center for Pediatrics and Adolescent MedicineUniversity Hospital FreiburgFreiburgGermany
- CIBSS‐Centre for Integrative Biological Signalling StudiesUniversity of FreiburgFreiburgGermany
| | - Peter Walentek
- CIBSS‐Centre for Integrative Biological Signalling StudiesUniversity of FreiburgFreiburgGermany
- Renal Division, Internal Medicine IV, Medical CenterUniversity of FreiburgFreiburgGermany
| | - Dagmar Wachten
- Institute of Innate Immunity, Biophysical Imaging, Medical FacultyUniversity of BonnBonnGermany
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Benmerah A, Briseño-Roa L, Annereau JP, Saunier S. Repurposing small molecules for Nephronophthisis and related renal ciliopathies. Kidney Int 2023:S0085-2538(23)00390-3. [PMID: 37244473 DOI: 10.1016/j.kint.2023.04.027] [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: 12/20/2022] [Revised: 03/10/2023] [Accepted: 04/10/2023] [Indexed: 05/29/2023]
Abstract
Nephronophthisis is an autosomal recessive tubulo-interstitial nephropathy, belonging to the ciliopathy disorders, characterized by fibrosis and/or cysts. It is the most common genetic cause of renal failure in children and young adults. Clinically and genetically heterogeneous, it is caused by variants in ciliary genes resulting in either an isolated kidney disease or syndromic forms in association with other manifestations of ciliopathy disorders. No curative treatment is currently available. Over the past two decades, advances in understanding disease mechanisms have identified several dysregulated signaling pathways, some shared with other cystic kidney diseases. Notably, molecules previously developed to target these pathways have shown promising beneficial effects in orthologous mouse models. In addition to these knowledge-based repurposing approaches, unbiased "in cellulo" phenotypic screens of "repurposing" libraries identified small molecules able to rescue the ciliogenesis defects observed in nephronophthisis conditions. Those compounds appeared to act on relevant pathways and, when tested, showed beneficial nephronophthisis-associated kidney and/or extra-renal defects in mice. In this review, we have summarized those studies which highlight the drug repurposing strategies in the context of a rare disorders such as nephronophthisis-related ciliopathies, with broad genetic heterogeneity and systemic manifestations but with shared disease mechanisms.
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Affiliation(s)
- Alexandre Benmerah
- Laboratory of Hereditary Kidney Diseases, Imagine Institute, Université Paris Cité, INSERM UMR 1163, 75015 Paris, France
| | | | | | - Sophie Saunier
- Laboratory of Hereditary Kidney Diseases, Imagine Institute, Université Paris Cité, INSERM UMR 1163, 75015 Paris, France.
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7
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Paolocci E, Zaccolo M. Compartmentalised cAMP signalling in the primary cilium. Front Physiol 2023; 14:1187134. [PMID: 37256063 PMCID: PMC10226274 DOI: 10.3389/fphys.2023.1187134] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/25/2023] [Indexed: 06/01/2023] Open
Abstract
cAMP is a universal second messenger that relies on precise spatio-temporal regulation to control varied, and often opposing, cellular functions. This is achieved via selective activation of effectors embedded in multiprotein complexes, or signalosomes, that reside at distinct subcellular locations. cAMP is also one of many pathways known to operate within the primary cilium. Dysfunction of ciliary signaling leads to a class of diseases known as ciliopathies. In Autosomal Dominant Polycystic Kidney Disease (ADPKD), a ciliopathy characterized by the formation of fluid-filled kidney cysts, upregulation of cAMP signaling is known to drive cystogenesis. For decades it has been debated whether the primary cilium is an independent cAMP sub-compartment, or whether it shares a diffusible pool of cAMP with the cell body. Recent studies now suggest it is a specific pool of cAMP generated in the cilium that propels cyst formation in ADPKD, supporting the notion that this antenna-like organelle is a compartment within which cAMP signaling occurs independently from cAMP signaling in the bulk cytosol. Here we present examples of cAMP function in the cilium which suggest this mysterious organelle is home to more than one cAMP signalosome. We review evidence that ciliary membrane localization of G-Protein Coupled Receptors (GPCRs) determines their downstream function and discuss how optogenetic tools have contributed to establish that cAMP generated in the primary cilium can drive cystogenesis.
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8
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Liu J, Peng B, Steinmetz-Späh J, Idborg H, Korotkova M, Jakobsson PJ. Microsomal prostaglandin E synthase-1 inhibition promotes shunting in arachidonic acid metabolism during inflammatory responses in vitro. Prostaglandins Other Lipid Mediat 2023; 167:106738. [PMID: 37094780 DOI: 10.1016/j.prostaglandins.2023.106738] [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: 02/17/2023] [Revised: 04/14/2023] [Accepted: 04/21/2023] [Indexed: 04/26/2023]
Abstract
Microsomal Prostaglandin E Synthase 1 (mPGES-1) is the key enzyme for the generation of the pro-inflammatory lipid mediator prostaglandin E2 (PGE2), which contributes to several pathological features of many diseases. Inhibition of mPGES-1 has been shown to be a safe and effective therapeutic strategy in various pre-clinical studies. In addition to reduced PGE2 formation, it is also suggested that the potential shunting into other protective and pro-resolving prostanoids may play an important role in resolution of inflammation. In the present study, we analysed the eicosanoid profiles in four in vitro inflammation models and compared the effects of mPGES-1 inhibition with those of cyclooxygenase-2 (Cox-2) inhibition. Our results showed a marked shift to the PGD2 pathway under mPGES-1 inhibition in A549 cells, RAW264.7 cells and mouse bone marrow-derived macrophages (BMDMs), whereas enhanced prostacyclin production was observed in rheumatoid arthritis synovial fibroblasts (RASFs) treated with an mPGES-1 inhibitor. As expected, Cox-2 inhibition completely suppressed all prostanoids. This study suggests that the therapeutic effects of mPGES-1 inhibition may be mediated by modulation of other prostanoids in addition to PGE2 reduction.
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Affiliation(s)
- Jianyang Liu
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet and Karolinska University Hospital, SE-171 76 Stockholm, Sweden
| | - Bing Peng
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet and Karolinska University Hospital, SE-171 76 Stockholm, Sweden
| | - Julia Steinmetz-Späh
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet and Karolinska University Hospital, SE-171 76 Stockholm, Sweden
| | - Helena Idborg
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet and Karolinska University Hospital, SE-171 76 Stockholm, Sweden
| | - Marina Korotkova
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet and Karolinska University Hospital, SE-171 76 Stockholm, Sweden
| | - Per-Johan Jakobsson
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet and Karolinska University Hospital, SE-171 76 Stockholm, Sweden.
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Abstract
The ability of the adult zebrafish to replace damaged nephrons in the kidney depends on renal progenitor cells and renal interstitial cells working closely together.
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Affiliation(s)
- Hannah M Wesselman
- Department of Biological Sciences, University of Notre DameNotre DameUnited States
| | - Rebecca A Wingert
- Department of Biological Sciences, University of Notre DameNotre DameUnited States
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10
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Advances in Understanding the Genetic Mechanisms of Zebrafish Renal Multiciliated Cell Development. J Dev Biol 2022; 11:jdb11010001. [PMID: 36648903 PMCID: PMC9844391 DOI: 10.3390/jdb11010001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/07/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Cilia are microtubule-based organelles that project from the cell surface. In humans and other vertebrates, possession of a single cilium structure enables an assortment of cellular processes ranging from mechanosensation to fluid propulsion and locomotion. Interestingly, cells can possess a single cilium or many more, where so-called multiciliated cells (MCCs) possess apical membrane complexes with several dozen or even hundreds of motile cilia that beat in a coordinated fashion. Development of MCCs is, therefore, integral to control fluid flow and/or cellular movement in various physiological processes. As such, MCC dysfunction is associated with numerous pathological states. Understanding MCC ontogeny can be used to address congenital birth defects as well as acquired disease conditions. Today, researchers used both in vitro and in vivo experimental models to address our knowledge gaps about MCC specification and differentiation. In this review, we summarize recent discoveries from our lab and others that have illuminated new insights regarding the genetic pathways that direct MCC ontogeny in the embryonic kidney using the power of the zebrafish animal model.
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