1
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Zhang Q, Li L, Zhang Q, Zhang Y, Yan L, Wang Y, Wang Y, Zhao S. Genetic circuitry controlling Drosophila female germline overgrowth. Dev Biol 2024; 515:160-168. [PMID: 39067502 DOI: 10.1016/j.ydbio.2024.07.016] [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: 02/03/2024] [Revised: 07/22/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Germ cells mutant for bam or bgcn are locked in a germline stem cell (GSC)-like state, leading to tumor-like overgrowth in Drosophila ovaries. Our previous studies have demonstrated that germline overgrowth in bam mutants can be suppressed by defects in the miRNA pathway but enhanced by a null mutation in hippo. However, the genetic epistasis between the miRNA and Hippo pathways still remains unknown. Here, we determined that the miRNA pathway acts downstream of the Hippo pathway in regulating this process. Germ cells mutant for bam or bgcn and defective in both pathways divide very slowly, phenocopying those defective only in the miRNA pathway. In addition, we found that Yki, a key oncoprotein in the Hippo pathway, promotes the growth of both wild-type germ cells and bam mutant GSC-like cells. Like wild-type GSCs, bam mutant GSC-like cells predominantly stay in the G2 phase. Remarkably, many of those defective in the miRNA pathway are arrested before entering this phase. Furthermore, our studies identified bantam as a critical miRNA promoting germline overgrowth in bam or bgcn mutants. Taken together, these findings establish a genetic circuitry controlling Drosophila female germline overgrowth.
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Affiliation(s)
- Qian Zhang
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Le Li
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Qi Zhang
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Yang Zhang
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Lizhong Yan
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Yanfang Wang
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Yuejia Wang
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China
| | - Shaowei Zhao
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, People's Republic of China.
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2
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Guo P, Li B, Dong W, Zhou H, Wang L, Su T, Carl C, Zheng Y, Hong Y, Deng H, Pan D. PI4P-mediated solid-like Merlin condensates orchestrate Hippo pathway regulation. Science 2024; 385:eadf4478. [PMID: 39116228 DOI: 10.1126/science.adf4478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 10/11/2023] [Accepted: 06/10/2024] [Indexed: 08/10/2024]
Abstract
Despite recent studies implicating liquid-like biomolecular condensates in diverse cellular processes, many biomolecular condensates exist in a solid-like state, and their function and regulation are less understood. We show that the tumor suppressor Merlin, an upstream regulator of the Hippo pathway, localizes to both cell junctions and medial apical cortex in Drosophila epithelia, with the latter forming solid-like condensates that activate Hippo signaling. Merlin condensation required phosphatidylinositol-4-phosphate (PI4P)-mediated plasma membrane targeting and was antagonistically controlled by Pez and cytoskeletal tension through plasma membrane PI4P regulation. The solid-like material properties of Merlin condensates are essential for physiological function and protect the condensates against external perturbations. Collectively, these findings uncover an essential role for solid-like condensates in normal physiology and reveal regulatory mechanisms for their formation and disassembly.
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Affiliation(s)
- Pengfei Guo
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Bing Li
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Wei Dong
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Huabin Zhou
- Department of Biophysics, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Li Wang
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Ting Su
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Christopher Carl
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yonggang Zheng
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yang Hong
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Hua Deng
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Duojia Pan
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
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3
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Phillips JE, Zheng Y, Pan D. Assembling a Hippo: the evolutionary emergence of an animal developmental signaling pathway. Trends Biochem Sci 2024; 49:681-692. [PMID: 38729842 PMCID: PMC11316659 DOI: 10.1016/j.tibs.2024.04.005] [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: 12/14/2023] [Revised: 03/25/2024] [Accepted: 04/17/2024] [Indexed: 05/12/2024]
Abstract
Decades of work in developmental genetics has given us a deep mechanistic understanding of the fundamental signaling pathways underlying animal development. However, little is known about how these pathways emerged and changed over evolutionary time. Here, we review our current understanding of the evolutionary emergence of the Hippo pathway, a conserved signaling pathway that regulates tissue size in animals. This pathway has deep evolutionary roots, emerging piece by piece in the unicellular ancestors of animals, with a complete core pathway predating the origin of animals. Recent functional studies in close unicellular relatives of animals and early-branching animals suggest an ancestral function of the Hippo pathway in cytoskeletal regulation, which was subsequently co-opted to regulate proliferation and animal tissue size.
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Affiliation(s)
- Jonathan E Phillips
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
| | - Yonggang Zheng
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Duojia Pan
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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4
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Vlashi R, Sun F, Zheng C, Zhang X, Liu J, Chen G. The molecular biology of NF2/Merlin on tumorigenesis and development. FASEB J 2024; 38:e23809. [PMID: 38967126 DOI: 10.1096/fj.202400019rr] [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: 01/04/2024] [Revised: 06/22/2024] [Accepted: 06/26/2024] [Indexed: 07/06/2024]
Abstract
The neurofibromatosis type 2 (NF2) gene, known for encoding the tumor suppressor protein Merlin, is central to the study of tumorigenesis and associated cellular processes. This review comprehensively examines the multifaceted role of NF2/Merlin, detailing its structural characteristics, functional diversity, and involvement in various signaling pathways such as Wnt/β-catenin, Hippo, TGF-β, RTKs, mTOR, Notch, and Hedgehog. These pathways are crucial for cellular growth, proliferation, and differentiation. NF2 mutations are specifically linked to the development of schwannomas, meningiomas, and ependymomas, although the precise mechanisms of tumor formation in these specific cell types remain unclear. Additionally, the review explores Merlin's role in embryogenesis, highlighting the severe developmental defects and embryonic lethality caused by NF2 deficiency. The potential therapeutic strategies targeting these genetic aberrations are also discussed, emphasizing inhibitors of mTOR, HDAC, and VEGF as promising avenues for treatment. This synthesis of current knowledge underscores the necessity for ongoing research to elucidate the detailed mechanisms of NF2/Merlin and develop effective therapeutic strategies, ultimately aiming to improve the prognosis and quality of life for individuals with NF2 mutations.
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Affiliation(s)
- Rexhina Vlashi
- College of Life Science and Medicine, Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Fuju Sun
- College of Life Science and Medicine, Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Chenggong Zheng
- College of Life Science and Medicine, Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Xingen Zhang
- Department of Orthopedics, Jiaxing Key Laboratory for Minimally Invasive Surgery in Orthopaedics & Skeletal Regenerative Medicine, Zhejiang Rongjun Hospital, Jiaxing, China
| | - Jie Liu
- Department of Cancer Center, Jiaxing Hospital of Traditional Chinese Medicine, Jiaxing, China
| | - Guiqian Chen
- College of Life Science and Medicine, Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, China
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5
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Park JJ, Lee SJ, Baek M, Lee OJ, Nam S, Kim J, Kim JY, Shin EY, Kim EG. FRMD6 determines the cell fate towards senescence: involvement of the Hippo-YAP-CCN3 axis. Cell Death Differ 2024:10.1038/s41418-024-01333-2. [PMID: 38926528 DOI: 10.1038/s41418-024-01333-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 06/14/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024] Open
Abstract
Cellular senescence, a hallmark of aging, is pathogenically linked to the development of aging-related diseases. This study demonstrates that FRMD6, an upstream component of the Hippo/YAP signaling cascade, is a key regulator of senescence. Proteomic analysis revealed that FRMD6 is upregulated in senescent IMR90 fibroblasts under various senescence-inducing conditions. Silencing FRMD6 mitigated the senescence of IMR90 cells, suggesting its requirement in senescence. Conversely, the overexpression of FRMD6 alone induced senescence in cells and in lung tissue, establishing a causal link. The elevated FRMD6 levels correlated well with increased levels of the inhibitory phosphorylated YAP/TAZ. We identified cellular communication network factor 3 (CCN3), a key component of the senescence-associated secretory phenotype regulated by YAP, whose administration attenuated FRMD6-induced senescence in a dose-dependent manner. Mechanistically, FRMD6 interacted with and activated MST kinase, which led to YAP/TAZ inactivation. The expression of FRMD6 was regulated by the p53 and SMAD transcription factors in senescent cells. Accordingly, the expression of FRMD6 was upregulated by TGF-β treatment that activates those transcription factors. In TGF-β-treated IMR90 cells, FRMD6 mainly segregated with p21, a senescence marker, but rarely segregated with α-SMA, a myofibroblast marker, which suggests that FRMD6 has a role in directing cells towards senescence. Similarly, in TGF-β-enriched environments, such as fibroblastic foci (FF) from patients with idiopathic pulmonary fibrosis, FRMD6 co-localized with p16 in FF lining cells, while it was rarely detected in α-SMA-positive myofibroblasts that are abundant in FF. In sum, this study identifies FRMD6 as a novel regulator of senescence and elucidates the contribution of the FRMD6-Hippo/YAP-CCN3 axis to senescence.
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Affiliation(s)
- Jung-Jin Park
- Department of Biochemistry, Chungbuk National University, College of Medicine and Medical Research Center, Cheongju, 28644, Republic of Korea
| | - Su Jin Lee
- Department of Biochemistry, Chungbuk National University, College of Medicine and Medical Research Center, Cheongju, 28644, Republic of Korea
| | - Minwoo Baek
- Department of Biochemistry, Chungbuk National University, College of Medicine and Medical Research Center, Cheongju, 28644, Republic of Korea
| | - Ok-Jun Lee
- Department of Pathology, Chungbuk National University, College of Medicine and Medical Research Center, Cheongju, 28644, Republic of Korea
| | - Seungyoon Nam
- Department of Health Sciences and Technology, Gachon Advanced Institute for Health Sciences and Technology (GAIHST), Gachon University, Incheon, 21565, Republic of Korea
| | - Jaehong Kim
- Department of Biochemistry, College of Medicine, Gachon University, Incheon, 21999, Republic of Korea
| | - Jin Young Kim
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju, 28119, Republic of Korea
| | - Eun-Young Shin
- Department of Biochemistry, Chungbuk National University, College of Medicine and Medical Research Center, Cheongju, 28644, Republic of Korea.
| | - Eung-Gook Kim
- Department of Biochemistry, Chungbuk National University, College of Medicine and Medical Research Center, Cheongju, 28644, Republic of Korea.
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6
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Li M, Ding W, Deng Y, Zhao Y, Liu Q, Zhou Z. The AAA-ATPase Ter94 regulates wing size in Drosophila by suppressing the Hippo pathway. Commun Biol 2024; 7:533. [PMID: 38710747 PMCID: PMC11074327 DOI: 10.1038/s42003-024-06246-x] [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: 09/30/2023] [Accepted: 04/25/2024] [Indexed: 05/08/2024] Open
Abstract
Insect wing development is a fascinating and intricate process that involves the regulation of wing size through cell proliferation and apoptosis. In this study, we find that Ter94, an AAA-ATPase, is essential for proper wing size dependently on its ATPase activity. Loss of Ter94 enables the suppression of Hippo target genes. When Ter94 is depleted, it results in reduced wing size and increased apoptosis, which can be rescued by inhibiting the Hippo pathway. Biochemical experiments reveal that Ter94 reciprocally binds to Mer, a critical upstream component of the Hippo pathway, and disrupts its interaction with Ex and Kib. This disruption prevents the formation of the Ex-Mer-Kib complex, ultimately leading to the inactivation of the Hippo pathway and promoting proper wing development. Finally, we show that hVCP, the human homolog of Ter94, is able to substitute for Ter94 in modulating Drosophila wing size, underscoring their functional conservation. In conclusion, Ter94 plays a positive role in regulating wing size by interfering with the Ex-Mer-Kib complex, which results in the suppression of the Hippo pathway.
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Affiliation(s)
- Mingming Li
- College of Life Sciences, Shandong Agricultural University, Tai'an, China
| | - Wenhao Ding
- College of Life Sciences, Shandong Agricultural University, Tai'an, China
| | - Yanran Deng
- Key Laboratory of Biodiversity Conservation and Bioresource Utilization of Jiangxi Province, College of Life Sciences, Jiangxi Normal University, Nanchang, China
| | - Yunhe Zhao
- College of Life Sciences, Shandong Agricultural University, Tai'an, China
| | - Qingxin Liu
- College of Life Sciences, Shandong Agricultural University, Tai'an, China.
| | - Zizhang Zhou
- College of Life Sciences, Shandong Agricultural University, Tai'an, China.
- Key Laboratory of Biodiversity Conservation and Bioresource Utilization of Jiangxi Province, College of Life Sciences, Jiangxi Normal University, Nanchang, China.
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7
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Kumar A, BharathwajChetty B, Manickasamy MK, Unnikrishnan J, Alqahtani MS, Abbas M, Almubarak HA, Sethi G, Kunnumakkara AB. Natural compounds targeting YAP/TAZ axis in cancer: Current state of art and challenges. Pharmacol Res 2024; 203:107167. [PMID: 38599470 DOI: 10.1016/j.phrs.2024.107167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024]
Abstract
Cancer has become a burgeoning global healthcare concern marked by its exponential growth and significant economic ramifications. Though advancements in the treatment modalities have increased the overall survival and quality of life, there are no definite treatments for the advanced stages of this malady. Hence, understanding the diseases etiologies and the underlying molecular complexities, will usher in the development of innovative therapeutics. Recently, YAP/TAZ transcriptional regulation has been of immense interest due to their role in development, tissue homeostasis and oncogenic transformations. YAP/TAZ axis functions as coactivators within the Hippo signaling cascade, exerting pivotal influence on processes such as proliferation, regeneration, development, and tissue renewal. In cancer, YAP is overexpressed in multiple tumor types and is associated with cancer stem cell attributes, chemoresistance, and metastasis. Activation of YAP/TAZ mirrors the cellular "social" behavior, encompassing factors such as cell adhesion and the mechanical signals transmitted to the cell from tissue structure and the surrounding extracellular matrix. Therefore, it presents a significant vulnerability in the clogs of tumors that could provide a wide window of therapeutic effectiveness. Natural compounds have been utilized extensively as successful interventions in the management of diverse chronic illnesses, including cancer. Owing to their capacity to influence multiple genes and pathways, natural compounds exhibit significant potential either as adjuvant therapy or in combination with conventional treatment options. In this review, we delineate the signaling nexus of YAP/TAZ axis, and present natural compounds as an alternate strategy to target cancer.
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Affiliation(s)
- Aviral Kumar
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam 781039, India
| | - Bandari BharathwajChetty
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam 781039, India
| | - Mukesh Kumar Manickasamy
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam 781039, India
| | - Jyothsna Unnikrishnan
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam 781039, India
| | - Mohammed S Alqahtani
- Radiological Sciences Department, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia; BioImaging Unit, Space Research Centre, Michael Atiyah Building, University of Leicester, Leicester LE1 7RH, United Kingdom
| | - Mohamed Abbas
- Electrical Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
| | - Hassan Ali Almubarak
- Division of Radiology, Department of Medicine, College of Medicine and Surgery, King Khalid University, Abha 61421, Saudi Arabia
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 16 Medical Drive, Singapore 117600, Singapore; NUS Center for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, 117699, Singapore.
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, Assam 781039, India.
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8
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Zhang S, Zhang B, Liao Z, Chen Y, Guo W, Wu J, Liu H, Weng R, Su D, Chen G, Zhang Z, Li C, Long J, Xiao Y, Ma Y, Zhou T, Xu C, Su P. Hnrnpk protects against osteoarthritis through targeting WWC1 mRNA and inhibiting Hippo signaling pathway. Mol Ther 2024; 32:1461-1478. [PMID: 38414246 PMCID: PMC11081807 DOI: 10.1016/j.ymthe.2024.02.027] [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: 11/29/2023] [Revised: 02/01/2024] [Accepted: 02/24/2024] [Indexed: 02/29/2024] Open
Abstract
Osteoarthritis (OA) is an age-related or post-traumatic degenerative whole joint disease characterized by the rupture of articular cartilage homeostasis, the regulatory mechanisms of which remain elusive. This study identifies the essential role of heterogeneous nuclear ribonucleoprotein K (hnRNPK) in maintaining articular cartilage homeostasis. Hnrnpk expression is markedly downregulated in human and mice OA cartilage. The deletion of Hnrnpk effectively accelerates the development of post-traumatic and age-dependent OA in mice. Mechanistically, the KH1 and KH2 domain of Hnrnpk bind and degrade the mRNA of WWC1. Hnrnpk deletion increases WWC1 expression, which in turn leads to the activation of Hippo signaling and ultimately aggravates OA. In particular, intra-articular injection of LPA and adeno-associated virus serotype 5 expressing WWC1 RNA interference ameliorates cartilage degeneration induced by Hnrnpk deletion, and intra-articular injection of adeno-associated virus serotype 5 expressing Hnrnpk protects against OA. Collectively, this study reveals the critical roles of Hnrnpk in inhibiting OA development through WWC1-dependent downregulation of Hippo signaling in chondrocytes and defines a potential target for the prevention and treatment of OA.
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Affiliation(s)
- Shun Zhang
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Baolin Zhang
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Zhiheng Liao
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Yuyu Chen
- Department of Plastic Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Weimin Guo
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Jinna Wu
- Department of Breast Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, China
| | - Hengyu Liu
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Ricong Weng
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Deying Su
- Research Center for Translational Medicine, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Gengjia Chen
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Zhenzhen Zhang
- Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou 510631, China
| | - Chuan Li
- Research Center for Translational Medicine, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Jiahui Long
- Research Center for Translational Medicine, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Ya Xiao
- Research Center for Translational Medicine, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Yuan Ma
- Department of Spine Surgery, the Sixth Affiliated Hospital of Xinjiang Medical University, Xinjiang Urumqi 830002, China
| | - Taifeng Zhou
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Caixia Xu
- Research Center for Translational Medicine, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China.
| | - Peiqiang Su
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China.
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9
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Zhou Y, Chen X, Chen J, Kendrick CD, Ramanathan RK, Graham RP, Kossick KF, Boardman LA, Barrett MT. Genomic landscape of diploid and aneuploid microsatellite stable early onset colorectal cancer. Sci Rep 2024; 14:9368. [PMID: 38654044 DOI: 10.1038/s41598-024-59398-5] [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: 02/12/2024] [Accepted: 04/10/2024] [Indexed: 04/25/2024] Open
Abstract
Although colorectal cancer (CRC) remains the second leading cause of cancer-related death in the United States, the overall incidence and mortality from the disease have declined in recent decades. In contrast, there has been a steady increase in the incidence of CRC in individuals under 50 years of age. Hereditary syndromes contribute disproportionately to early onset CRC (EOCRC). These include microsatellite instability high (MSI+) tumors arising in patients with Lynch Syndrome. However, most EOCRCs are not associated with familial syndromes or MSI+ genotypes. Comprehensive genomic profiling has provided the basis of improved more personalized treatments for older CRC patients. However, less is known about the basis of sporadic EOCRC. To define the genomic landscape of EOCRC we used DNA content flow sorting to isolate diploid and aneuploid tumor fractions from 21 non-hereditary cases. We then generated whole exome mutational profiles for each case and whole genome copy number, telomere length, and EGFR immunohistochemistry (IHC) analyses on subsets of samples. These results discriminate the molecular features of diploid and aneuploid EOCRC and provide a basis for larger population-based studies and the development of effective strategies to monitor and treat this emerging disease.
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Affiliation(s)
- Yumei Zhou
- Department of Research, Mayo Clinic in Arizona, Scottsdale, AZ, USA
| | - Xianfeng Chen
- Division of Computational Biology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, 55905, USA
| | - Jun Chen
- Division of Computational Biology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, 55905, USA
| | - Conner D Kendrick
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Ramesh K Ramanathan
- Mayo Clinic Cancer Center, Phoenix, AZ, 85054, USA
- Ironwood Cancer and Research Center, Scottsdale, AZ, 85260, USA
| | | | - Kimberlee F Kossick
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Lisa A Boardman
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Michael T Barrett
- Department of Research, Mayo Clinic in Arizona, Scottsdale, AZ, USA.
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic in Arizona, Scottsdale, AZ, USA.
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10
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Zhong Z, Jiao Z, Yu FX. The Hippo signaling pathway in development and regeneration. Cell Rep 2024; 43:113926. [PMID: 38457338 DOI: 10.1016/j.celrep.2024.113926] [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: 12/02/2023] [Revised: 02/05/2024] [Accepted: 02/20/2024] [Indexed: 03/10/2024] Open
Abstract
The Hippo signaling pathway is a central growth control mechanism in multicellular organisms. By integrating diverse mechanical, biochemical, and stress cues, the Hippo pathway orchestrates proliferation, survival, differentiation, and mechanics of cells, which in turn regulate organ development, homeostasis, and regeneration. A deep understanding of the regulation and function of the Hippo pathway therefore holds great promise for developing novel therapeutics in regenerative medicine. Here, we provide updates on the molecular organization of the mammalian Hippo signaling network, review the regulatory signals and functional outputs of the pathway, and discuss the roles of Hippo signaling in development and regeneration.
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Affiliation(s)
- Zhenxing Zhong
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhihan Jiao
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Fa-Xing Yu
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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11
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Phillips JE, Pan D. The Hippo kinase cascade regulates a contractile cell behavior and cell density in a close unicellular relative of animals. eLife 2024; 12:RP90818. [PMID: 38517944 PMCID: PMC10959527 DOI: 10.7554/elife.90818] [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] [Indexed: 03/24/2024] Open
Abstract
The genomes of close unicellular relatives of animals encode orthologs of many genes that regulate animal development. However, little is known about the function of such genes in unicellular organisms or the evolutionary process by which these genes came to function in multicellular development. The Hippo pathway, which regulates cell proliferation and tissue size in animals, is present in some of the closest unicellular relatives of animals, including the amoeboid organism Capsaspora owczarzaki. We previously showed that the Capsaspora ortholog of the Hippo pathway nuclear effector Yorkie/YAP/TAZ (coYki) regulates actin dynamics and the three-dimensional morphology of Capsaspora cell aggregates, but is dispensable for cell proliferation control (Phillips et al., 2022). However, the function of upstream Hippo pathway components, and whether and how they regulate coYki in Capsaspora, remained unknown. Here, we analyze the function of the upstream Hippo pathway kinases coHpo and coWts in Capsaspora by generating mutant lines for each gene. Loss of either kinase results in increased nuclear localization of coYki, indicating an ancient, premetazoan origin of this Hippo pathway regulatory mechanism. Strikingly, we find that loss of either kinase causes a contractile cell behavior and increased density of cell packing within Capsaspora aggregates. We further show that this increased cell density is not due to differences in proliferation, but rather actomyosin-dependent changes in the multicellular architecture of aggregates. Given its well-established role in cell density-regulated proliferation in animals, the increased density of cell packing in coHpo and coWts mutants suggests a shared and possibly ancient and conserved function of the Hippo pathway in cell density control. Together, these results implicate cytoskeletal regulation but not proliferation as an ancestral function of the Hippo pathway kinase cascade and uncover a novel role for Hippo signaling in regulating cell density in a proliferation-independent manner.
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Affiliation(s)
- Jonathan E Phillips
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical CenterDallasUnited States
| | - Duojia Pan
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical CenterDallasUnited States
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12
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Zhou HM, Chen DH, Diao WJ, Wu YF, Zhang JG, Zhong L, Jiang ZY, Zhang X, Liu GL, Li Q. Inhibition of RhoGEF/RhoA alleviates regorafenib resistance and cancer stemness via Hippo signaling pathway in hepatocellular carcinoma. Exp Cell Res 2024; 436:113956. [PMID: 38341081 DOI: 10.1016/j.yexcr.2024.113956] [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: 10/04/2023] [Revised: 01/25/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
Patients with hepatocellular carcinoma (HCC) are vulnerable to drug resistance. Although drug resistance has been taken much attention to HCC therapy, little is known of regorafenib and regorafenib resistance (RR). This study aimed to determine the drug resistance pattern and the role of RhoA in RR. Two regorafenib-resistant cell lines were constructed based on Huh7 and Hep3B cell lines. In vitro and in vivo assays were conducted to study RhoA expression, the activity of Hippo signaling pathway and cancer stem cell (CSC) traits. The data showed that RhoA was highly expressed, Hippo signaling was hypoactivated and CSC traits were more prominent in RR cells. Inhibiting RhoA could reverse RR, and the alliance of RhoA inhibition and regorafenib synergistically attenuated CSC phenotype. Furthermore, inhibiting LARG/RhoA increased Kibra/NF2 complex formation, prevented YAP from shuttling into the nucleus and repressed CD44 mRNA expression. Clinically, the high expression of RhoA correlated with poor prognosis. LARG, RhoA, YAP1 and CD44 show positive correlation with each other. Thus, inhibition of RhoGEF/RhoA has the potential to reverse RR and repress CSC phenotype in HCC.
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Affiliation(s)
- He-Ming Zhou
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China
| | - Da-Hong Chen
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China
| | - Wen-Jing Diao
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China
| | - Ya-Fei Wu
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China
| | - Ji-Gang Zhang
- Clinical Research Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China
| | - Lin Zhong
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China
| | - Zhong-Yi Jiang
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China
| | - Xue Zhang
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China; Shanghai Eye Diseases Prevention & Treatment Center / Shanghai Eye Hospital, Shanghai, 200040, PR China
| | - Gao-Lin Liu
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China; Shanghai Eye Diseases Prevention & Treatment Center / Shanghai Eye Hospital, Shanghai, 200040, PR China
| | - Qin Li
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No. 100 Haining Road, Shanghai, 200080, PR China; Shanghai Eye Diseases Prevention & Treatment Center / Shanghai Eye Hospital, Shanghai, 200040, PR China.
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13
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Sadri F, Hosseini SF, Rezaei Z, Fereidouni M. Hippo-YAP/TAZ signaling in breast cancer: Reciprocal regulation of microRNAs and implications in precision medicine. Genes Dis 2024; 11:760-771. [PMID: 37692482 PMCID: PMC10491881 DOI: 10.1016/j.gendis.2023.01.017] [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: 07/04/2022] [Revised: 12/09/2022] [Accepted: 01/29/2023] [Indexed: 09/12/2023] Open
Abstract
Breast cancer is a molecularly heterogeneous disease and the most common female malignancy. In recent years, therapy approaches have evolved to accommodate molecular diversity, with a focus on more biologically based therapies to minimize negative consequences. To regulate cell fate in human breast cells, the Hippo signaling pathway has been associated with the alpha subtype of estrogen receptors. This pathway regulates tissue size, regeneration, and healing, as well as the survival of tissue-specific stem cells, proliferation, and apoptosis in a variety of organs, allowing for cell differentiation. Hippo signaling is mediated by the kinases MST1, MST2, LATS1, and LATS2, as well as the adaptor proteins SAV1 and MOB. These kinases phosphorylate the downstream effectors of the Hippo pathway, yes-associated protein (YAP), and transcriptional coactivator with PDZ-binding motif (TAZ), suppressing the expression of their downstream target genes. The Hippo signaling pathway kinase cascade plays a significant role in all cancers. Understanding the principles of this kinase cascade would prevent the occurrence of breast cancer. In recent years, small noncoding RNAs, or microRNAs, have been implicated in the development of several malignancies, including breast cancer. The interconnections between miRNAs and Hippo signaling pathway core proteins in the breast, on the other hand, remain poorly understood. In this review, we focused on highlighting the Hippo signaling system, its key parts, its importance in breast cancer, and its regulation by miRNAs and other related pathways.
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Affiliation(s)
- Farzad Sadri
- Student Research Committee, Birjand University of Medical Sciences, Birjand 9717853577, Iran
| | | | - Zohreh Rezaei
- Department of Biology, University of Sistan and Baluchestan, Zahedan 9816745785, Iran
| | - Mohammad Fereidouni
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand 9717853577, Iran
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14
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Pipchuk A, Kelly T, Carew M, Nicol C, Yang X. Development of Novel Bioluminescent Biosensors Monitoring the Conformation and Activity of the Merlin Tumour Suppressor. Int J Mol Sci 2024; 25:1527. [PMID: 38338806 PMCID: PMC10855677 DOI: 10.3390/ijms25031527] [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: 12/26/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024] Open
Abstract
Solid tumours can universally evade contact inhibition of proliferation (CIP), a mechanism halting cell proliferation when cell-cell contact occurs. Merlin, an ERM-like protein, crucially regulates CIP and is frequently deactivated in various cancers, indicating its significance as a tumour suppressor in cancer biology. Despite extensive investigations into Merlin's role in cancer, its lack of intrinsic catalytic activity and frequent conformation changes have made it notoriously challenging to study. To address this challenge, we harnessed innovative luciferase technologies to create and validate a NanoBiT split-luciferase biosensor system in which Merlin is cloned between two split components (LgBiT and SmBiT) of NanoLuc luciferase. This system enables precise quantification of Merlin's conformation and activity both in vitro and within living cells. This biosensor significantly enhances the study of Merlin's molecular functions, serving as a potent tool for exploring its contributions to CIP and tumorigenesis.
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Affiliation(s)
| | | | | | | | - Xiaolong Yang
- Department of Pathology and Molecular Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada; (A.P.); (T.K.); (M.C.); (C.N.)
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15
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Phillips JE, Pan D. The Hippo kinase cascade regulates a contractile cell behavior and cell density in a close unicellular relative of animals. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.07.25.550562. [PMID: 37546755 PMCID: PMC10402117 DOI: 10.1101/2023.07.25.550562] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
The genomes of close unicellular relatives of animals encode orthologs of many genes that regulate animal development. However, little is known about the function of such genes in unicellular organisms or the evolutionary process by which these genes came to function in multicellular development. The Hippo pathway, which regulates cell proliferation and tissue size in animals, is present in some of the closest unicellular relatives of animals, including the amoeboid organism Capsaspora owczarzaki. We previously showed that the Capsaspora ortholog of the Hippo pathway nuclear effector Yorkie/YAP/TAZ (coYki) regulates actin dynamics and the three-dimensional morphology of Capsaspora cell aggregates, but is dispensable for cell proliferation control (Phillips et al., 2022). However, the function of upstream Hippo pathway components, and whether and how they regulate coYki in Capsaspora, remained unknown. Here, we analyze the function of the upstream Hippo pathway kinases coHpo and coWts in Capsaspora by generating mutant lines for each gene. Loss of either kinase results in increased nuclear localization of coYki, indicating an ancient, premetazoan origin of this Hippo pathway regulatory mechanism. Strikingly, we find that loss of either kinase causes a contractile cell behavior and increased density of cell packing within Capsaspora aggregates. We further show that this increased cell density is not due to differences in proliferation, but rather actomyosin-dependent changes in the multicellular architecture of aggregates. Given its well-established role in cell density-regulated proliferation in animals, the increased density of cell packing in coHpo and coWts mutants suggests a shared and possibly ancient and conserved function of the Hippo pathway in cell density control. Together, these results implicate cytoskeletal regulation but not proliferation as an ancestral function of the Hippo pathway kinase cascade and uncover a novel role for Hippo signaling in regulating cell density in a proliferation-independent manner.
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Affiliation(s)
- Jonathan E Phillips
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
| | - Duojia Pan
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
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16
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Zhou W, Lim A, Edderkaoui M, Osipov A, Wu H, Wang Q, Pandol S. Role of YAP Signaling in Regulation of Programmed Cell Death and Drug Resistance in Cancer. Int J Biol Sci 2024; 20:15-28. [PMID: 38164167 PMCID: PMC10750275 DOI: 10.7150/ijbs.83586] [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: 02/16/2023] [Accepted: 09/29/2023] [Indexed: 01/03/2024] Open
Abstract
Although recent advances in cancer treatment significantly improved the prognosis of patients, drug resistance remains a major challenge. Targeting programmed cell death is a major approach of antitumor drug development. Deregulation of programmed cell death (PCD) contributes to resistance to a variety of cancer therapeutics. Yes-associated protein (YAP) and its paralog TAZ, the main downstream effectors of the Hippo pathway, are aberrantly activated in a variety of human malignancies. The Hippo-YAP pathway, which was originally identified in Drosophila, is well conserved in humans and plays a defining role in regulation of cell fate, tissue growth and regeneration. Activation of YAP signaling has emerged as a key mechanism involved in promoting cancer cell proliferation, metastasis, and drug resistance. Understanding the role of YAP/TAZ signaling network in PCD and drug resistance could facilitate the development of effective strategies for cancer therapeutics.
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Affiliation(s)
- Wei Zhou
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
- Department of Pancreatic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Adrian Lim
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Mouad Edderkaoui
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Arsen Osipov
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Heshui Wu
- Department of Pancreatic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiang Wang
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Stephen Pandol
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
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17
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Tokamov SA, Buiter S, Ullyot A, Scepanovic G, Williams AM, Fernandez-Gonzalez R, Horne-Badovinac S, Fehon RG. Cortical tension promotes Kibra degradation via Par-1. Mol Biol Cell 2024; 35:ar2. [PMID: 37903240 PMCID: PMC10881160 DOI: 10.1091/mbc.e23-06-0246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 10/17/2023] [Accepted: 10/20/2023] [Indexed: 11/01/2023] Open
Abstract
The Hippo pathway is an evolutionarily conserved regulator of tissue growth. Multiple Hippo signaling components are regulated via proteolytic degradation. However, how these degradation mechanisms are themselves modulated remains unexplored. Kibra is a key upstream pathway activator that promotes its own ubiquitin-mediated degradation upon assembling a Hippo signaling complex. Here, we demonstrate that Hippo complex-dependent Kibra degradation is modulated by cortical tension. Using classical genetic, osmotic, and pharmacological manipulations of myosin activity and cortical tension, we show that increasing cortical tension leads to Kibra degradation, whereas decreasing cortical tension increases Kibra abundance. Our study also implicates Par-1 in regulating Kib abundance downstream of cortical tension. We demonstrate that Par-1 promotes ubiquitin-mediated Kib degradation in a Hippo complex-dependent manner and is required for tension-induced Kib degradation. Collectively, our results reveal a previously unknown molecular mechanism by which cortical tension affects Hippo signaling and provide novel insights into the role of mechanical forces in growth control.
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Affiliation(s)
- Sherzod A. Tokamov
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637
- Committee on Development, Regeneration, and Stem Cell Biology, The University of Chicago, Chicago, IL 60637
| | - Stephan Buiter
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637
| | - Anne Ullyot
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637
| | - Gordana Scepanovic
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON M5G 1M1, Canada
| | - Audrey Miller Williams
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637
| | - Rodrigo Fernandez-Gonzalez
- Institute of Biomedical Engineering and Department of Cell and Systems Biology, University of Toronto, Toronto, ON M5G 1M1, Canada
| | - Sally Horne-Badovinac
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637
- Committee on Development, Regeneration, and Stem Cell Biology, The University of Chicago, Chicago, IL 60637
| | - Richard G. Fehon
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637
- Committee on Development, Regeneration, and Stem Cell Biology, The University of Chicago, Chicago, IL 60637
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18
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Zhong Z, Meng Z, Yu FX. Reconstructing the Hippo signaling network. Sci Bull (Beijing) 2023; 68:2307-2310. [PMID: 37684135 DOI: 10.1016/j.scib.2023.08.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Affiliation(s)
- Zhenxing Zhong
- Institute of Pediatrics, Children's Hospital of Fudan University, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhipeng Meng
- Department of Molecular and Cellular Pharmacology & Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami 33136, USA
| | - Fa-Xing Yu
- Institute of Pediatrics, Children's Hospital of Fudan University, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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19
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Tokamov SA, Nouri N, Rich A, Buiter S, Glotzer M, Fehon RG. Apical polarity and actomyosin dynamics control Kibra subcellular localization and function in Drosophila Hippo signaling. Dev Cell 2023; 58:1864-1879.e4. [PMID: 37729921 PMCID: PMC10591919 DOI: 10.1016/j.devcel.2023.08.029] [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: 06/05/2023] [Revised: 07/02/2023] [Accepted: 08/24/2023] [Indexed: 09/22/2023]
Abstract
The Hippo pathway is an evolutionarily conserved regulator of tissue growth that integrates inputs from both polarity and actomyosin networks. An upstream activator of the Hippo pathway, Kibra, localizes at the junctional and medial regions of the apical cortex in epithelial cells, and medial accumulation promotes Kibra activity. Here, we demonstrate that cortical Kibra distribution is controlled by a tug-of-war between apical polarity and actomyosin dynamics. We show that while the apical polarity network, in part via atypical protein kinase C (aPKC), tethers Kibra at the junctional cortex to silence its activity, medial actomyosin flows promote Kibra-mediated Hippo complex formation at the medial cortex, thereby activating the Hippo pathway. This study provides a mechanistic understanding of the relationship between the Hippo pathway, polarity, and actomyosin cytoskeleton, and it offers novel insights into how fundamental features of epithelial tissue architecture can serve as inputs into signaling cascades that control tissue growth, patterning, and morphogenesis.
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Affiliation(s)
- Sherzod A Tokamov
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA; Committee on Development, Regeneration, and Stem Cell Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Nicki Nouri
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Ashley Rich
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Stephan Buiter
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Michael Glotzer
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA
| | - Richard G Fehon
- Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA; Committee on Development, Regeneration, and Stem Cell Biology, The University of Chicago, Chicago, IL 60637, USA.
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20
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Gou J, Zhang T, Othmer HG. The Interaction of Mechanics and the Hippo Pathway in Drosophila melanogaster. Cancers (Basel) 2023; 15:4840. [PMID: 37835534 PMCID: PMC10571775 DOI: 10.3390/cancers15194840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/10/2023] [Accepted: 09/15/2023] [Indexed: 10/15/2023] Open
Abstract
Drosophila melanogaster has emerged as an ideal system for studying the networks that control tissue development and homeostasis and, given the similarity of the pathways involved, controlled and uncontrolled growth in mammalian systems. The signaling pathways used in patterning the Drosophila wing disc are well known and result in the emergence of interaction of these pathways with the Hippo signaling pathway, which plays a central role in controlling cell proliferation and apoptosis. Mechanical effects are another major factor in the control of growth, but far less is known about how they exert their control. Herein, we develop a mathematical model that integrates the mechanical interactions between cells, which occur via adherens and tight junctions, with the intracellular actin network and the Hippo pathway so as to better understand cell-autonomous and non-autonomous control of growth in response to mechanical forces.
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Affiliation(s)
- Jia Gou
- Department of Mathematics, University of California, Riverside, CA 92507, USA;
| | - Tianhao Zhang
- School of Mathematics, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Hans G. Othmer
- School of Mathematics, University of Minnesota, Minneapolis, MN 55455, USA;
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21
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Mokhtari RB, Ashayeri N, Baghaie L, Sambi M, Satari K, Baluch N, Bosykh DA, Szewczuk MR, Chakraborty S. The Hippo Pathway Effectors YAP/TAZ-TEAD Oncoproteins as Emerging Therapeutic Targets in the Tumor Microenvironment. Cancers (Basel) 2023; 15:3468. [PMID: 37444578 DOI: 10.3390/cancers15133468] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Various cancer cell-associated intrinsic and extrinsic inputs act on YAP/TAZ proteins to mediate the hyperactivation of the TEAD transcription factor-based transcriptome. This YAP/TAZ-TEAD activity can override the growth-limiting Hippo tumor-suppressor pathway that maintains normal tissue homeostasis. Herein, we provide an integrated summary of the contrasting roles of YAP/TAZ during normal tissue homeostasis versus tumor initiation and progression. In addition to upstream factors that regulate YAP/TAZ in the TME, critical insights on the emerging functions of YAP/TAZ in immune suppression and abnormal vasculature development during tumorigenesis are illustrated. Lastly, we discuss the current methods that intervene with the YAP/TAZ-TEAD oncogenic signaling pathway and the emerging applications of combination therapies, gut microbiota, and epigenetic plasticity that could potentiate the efficacy of chemo/immunotherapy as improved cancer therapeutic strategies.
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Affiliation(s)
- Reza Bayat Mokhtari
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Neda Ashayeri
- Division of Hematology and Oncology, Department of Pediatrics, Ali-Asghar Children Hospital, Iran University of Medical Science, Tehran 1449614535, Iran
| | - Leili Baghaie
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Manpreet Sambi
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Kosar Satari
- Division of Hematology and Oncology, Department of Pediatrics, Ali-Asghar Children Hospital, Iran University of Medical Science, Tehran 1449614535, Iran
| | - Narges Baluch
- Department of Immunology and Allergy, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Dmitriy A Bosykh
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Myron R Szewczuk
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Sayan Chakraborty
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
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22
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Pontes B, Mendes FA. Mechanical Properties of Glioblastoma: Perspectives for YAP/TAZ Signaling Pathway and Beyond. Diseases 2023; 11:86. [PMID: 37366874 DOI: 10.3390/diseases11020086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/06/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023] Open
Abstract
Glioblastoma is a highly aggressive brain tumor with a poor prognosis. Recent studies have suggested that mechanobiology, the study of how physical forces influence cellular behavior, plays an important role in glioblastoma progression. Several signaling pathways, molecules, and effectors, such as focal adhesions, stretch-activated ion channels, or membrane tension variations, have been studied in this regard. Also investigated are YAP/TAZ, downstream effectors of the Hippo pathway, which is a key regulator of cell proliferation and differentiation. In glioblastoma, YAP/TAZ have been shown to promote tumor growth and invasion by regulating genes involved in cell adhesion, migration, and extracellular matrix remodeling. YAP/TAZ can be activated by mechanical cues such as cell stiffness, matrix rigidity, and cell shape changes, which are all altered in the tumor microenvironment. Furthermore, YAP/TAZ have been shown to crosstalk with other signaling pathways, such as AKT, mTOR, and WNT, which are dysregulated in glioblastoma. Thus, understanding the role of mechanobiology and YAP/TAZ in glioblastoma progression could provide new insights into the development of novel therapeutic strategies. Targeting YAP/TAZ and mechanotransduction pathways in glioblastoma may offer a promising approach to treating this deadly disease.
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Affiliation(s)
- Bruno Pontes
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
- Centro Nacional de Biologia Estrutural e Bioimagem (CENABIO), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Fabio A Mendes
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
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23
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Abstract
The Hippo pathway is an evolutionarily conserved pathway with crucial roles in development, organ size control, tissue homeostasis and cancer. Over two decades of research have elucidated the core Hippo pathway kinase cascade, but its precise organization has not been fully understood. In this issue of The EMBO Journal, Qi et al (2023) report a new model of two modules for the Hippo kinase cascade, providing new insights into this long-standing question.
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Affiliation(s)
- Han Han
- Department of Developmental and Cell BiologyUniversity of California IrvineIrvineCAUSA
| | - Wenqi Wang
- Department of Developmental and Cell BiologyUniversity of California IrvineIrvineCAUSA
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24
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Qi S, Zhong Z, Zhu Y, Wang Y, Ma M, Wang Y, Liu X, Jin R, Jiao Z, Zhu R, Sha Z, Dang K, Liu Y, Lim D, Mao J, Zhang L, Yu F. Two Hippo signaling modules orchestrate liver size and tumorigenesis. EMBO J 2023; 42:e112126. [PMID: 36919851 PMCID: PMC10233384 DOI: 10.15252/embj.2022112126] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 02/12/2023] [Accepted: 02/21/2023] [Indexed: 03/16/2023] Open
Abstract
The Hippo pathway is a central regulator of organ size and tumorigenesis and is commonly depicted as a kinase cascade, with an increasing number of regulatory and adaptor proteins linked to its regulation over recent years. Here, we propose that two Hippo signaling modules, MST1/2-SAV1-WWC1-3 (HPO1) and MAP4K1-7-NF2 (HPO2), together regulate the activity of LATS1/2 kinases and YAP/TAZ transcriptional co-activators. In mouse livers, the genetic inactivation of either HPO1 or HPO2 module results in partial activation of YAP/TAZ, bile duct hyperplasia, and hepatocellular carcinoma (HCC). On the contrary, inactivation of both HPO1 and HPO2 modules results in full activation of YAP/TAZ, rapid development of intrahepatic cholangiocarcinoma (iCCA), and early lethality. Interestingly, HPO1 has a predominant role in regulating organ size. HPO1 inactivation causes a homogenous YAP/TAZ activation and cell proliferation across the whole liver, resulting in a proportional and rapid increase in liver size. Thus, this study has reconstructed the order of the Hippo signaling network and suggests that LATS1/2 and YAP/TAZ activities are finetuned by HPO1 and HPO2 modules to cause different cell fates, organ size changes, and tumorigenesis trajectories.
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Affiliation(s)
- Sixian Qi
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Zhenxing Zhong
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yuwen Zhu
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yebin Wang
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Mingyue Ma
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yu Wang
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Xincheng Liu
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Ruxin Jin
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Zhihan Jiao
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Rui Zhu
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Zhao Sha
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Kyvan Dang
- Department of Molecular, Cell and Cancer BiologyUniversity of Massachusetts Medical SchoolWorcesterMAUSA
| | - Ying Liu
- Department of Pathology, School of Basic Medical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Dae‐Sik Lim
- Department of Biological Sciences, National Creative Research Initiatives CenterKorea Advanced Institute of Science and TechnologyDaejeonRepublic of Korea
| | - Junhao Mao
- Department of Molecular, Cell and Cancer BiologyUniversity of Massachusetts Medical SchoolWorcesterMAUSA
| | - Lei Zhang
- State Key Laboratory of Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
- Sheng Yushou Center of Cell Biology and Immunology, School of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghaiChina
- School of Life Science and TechnologyShanghaiTech UniversityShanghaiChina
| | - Fa‐Xing Yu
- Institute of PediatricsChildren's Hospital of Fudan UniversityShanghaiChina
- The Shanghai Key Laboratory of Medical Epigenetics, The International Co‐laboratory of Medical Epigenetics and Metabolism, The State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical CollegeFudan UniversityShanghaiChina
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25
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Fulford AD, Enderle L, Rusch J, Hodzic D, Holder MV, Earl A, Oh RH, Tapon N, McNeill H. Expanded directly binds conserved regions of Fat to restrain growth via the Hippo pathway. J Cell Biol 2023; 222:e202204059. [PMID: 37071483 PMCID: PMC10120405 DOI: 10.1083/jcb.202204059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 11/26/2022] [Accepted: 02/09/2023] [Indexed: 04/19/2023] Open
Abstract
The Hippo pathway is a conserved and critical regulator of tissue growth. The FERM protein Expanded is a key signaling hub that promotes activation of the Hippo pathway, thereby inhibiting the transcriptional co-activator Yorkie. Previous work identified the polarity determinant Crumbs as a primary regulator of Expanded. Here, we show that the giant cadherin Fat also regulates Expanded directly and independently of Crumbs. We show that direct binding between Expanded and a highly conserved region of the Fat cytoplasmic domain recruits Expanded to the apicolateral junctional zone and stabilizes Expanded. In vivo deletion of Expanded binding regions in Fat causes loss of apical Expanded and promotes tissue overgrowth. Unexpectedly, we find Fat can bind its ligand Dachsous via interactions of their cytoplasmic domains, in addition to the known extracellular interactions. Importantly, Expanded is stabilized by Fat independently of Dachsous binding. These data provide new mechanistic insights into how Fat regulates Expanded, and how Hippo signaling is regulated during organ growth.
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Affiliation(s)
- Alexander D. Fulford
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, USA
| | - Leonie Enderle
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Jannette Rusch
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, USA
| | - Didier Hodzic
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, USA
| | - Maxine V. Holder
- Apoptosis and Proliferation Control Laboratory, The Francis Crick Institute, London, UK
| | - Alex Earl
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, USA
| | - Robin Hyunseo Oh
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Nicolas Tapon
- Apoptosis and Proliferation Control Laboratory, The Francis Crick Institute, London, UK
| | - Helen McNeill
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, USA
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
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26
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Meliambro K, Yang Y, de Cos M, Rodriguez Ballestas E, Malkin C, Haydak J, Lee JR, Salem F, Mariani LH, Gordon RE, Basgen JM, Wen HH, Fu J, Azeloglu EU, He JC, Wong JS, Campbell KN. KIBRA upregulation increases susceptibility to podocyte injury and glomerular disease progression. JCI Insight 2023; 8:e165002. [PMID: 36853804 PMCID: PMC10132156 DOI: 10.1172/jci.insight.165002] [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: 09/01/2022] [Accepted: 02/21/2023] [Indexed: 03/01/2023] Open
Abstract
Despite recent progress in the identification of mediators of podocyte injury, mechanisms underlying podocyte loss remain poorly understood, and cell-specific therapy is lacking. We previously reported that kidney and brain expressed protein (KIBRA), encoded by WWC1, promotes podocyte injury in vitro through activation of the Hippo signaling pathway. KIBRA expression is increased in the glomeruli of patients with focal segmental glomerulosclerosis, and KIBRA depletion in vivo is protective against acute podocyte injury. Here, we tested the consequences of transgenic podocyte-specific WWC1 expression in immortalized human podocytes and in mice, and we explored the association between glomerular WWC1 expression and glomerular disease progression. We found that KIBRA overexpression in immortalized human podocytes promoted cytoplasmic localization of Yes-associated protein (YAP), induced actin cytoskeletal reorganization, and altered focal adhesion expression and morphology. WWC1-transgenic (KIBRA-overexpressing) mice were more susceptible to acute and chronic glomerular injury, with evidence of YAP inhibition in vivo. Of clinical relevance, glomerular WWC1 expression negatively correlated with renal survival among patients with primary glomerular diseases. These findings highlight the importance of KIBRA/YAP signaling to the regulation of podocyte structural integrity and identify KIBRA-mediated injury as a potential target for podocyte-specific therapy in glomerular disease.
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Affiliation(s)
- Kristin Meliambro
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Yanfeng Yang
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Marina de Cos
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | - Caroline Malkin
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jonathan Haydak
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - John R. Lee
- Division of Nephrology and Hypertension, Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Fadi Salem
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Jacksonville, Florida, USA
| | - Laura H. Mariani
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Ronald E. Gordon
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - John M. Basgen
- Stereology and Morphometry Laboratory, Charles R. Drew University of Medicine and Science, Los Angeles, California, USA
| | - Huei Hsun Wen
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jia Fu
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Evren U. Azeloglu
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - John Cijiang He
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jenny S. Wong
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Kirk N. Campbell
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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27
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Wang K, Ma F, Arai S, Wang Y, Varkaris A, Poluben L, Voznesensky O, Xie F, Zhang X, Yuan X, Balk SP. WNT5a Signaling through ROR2 Activates the Hippo Pathway to Suppress YAP1 Activity and Tumor Growth. Cancer Res 2023; 83:1016-1030. [PMID: 36622276 PMCID: PMC10073315 DOI: 10.1158/0008-5472.can-22-3003] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/22/2022] [Accepted: 01/04/2023] [Indexed: 01/10/2023]
Abstract
Noncanonical Wnt signaling by WNT5a has oncogenic and tumor suppressive activities, but downstream pathways mediating these specific effects remain to be fully established. In a subset of prostate cancer organoid culture and xenograft models, inhibition of Wnt synthesis stimulated growth, whereas WNT5a or a WNT5a mimetic peptide (Foxy5) markedly suppressed tumor growth. WNT5a caused a ROR2-dependent decrease in YAP1 activity, which was associated with increased phosphorylation of MST1/2, LATS1, MOB1, and YAP1, indicating Hippo pathway activation. Deletion of MST1/2 abrogated the WNT5a response. WNT5a similarly activated Hippo in ROR2-expressing melanoma cells, whereas WNT5a in ROR2-negative cells suppressed Hippo. This suppression was associated with increased inhibitory phosphorylation of NF2/Merlin that was not observed in ROR2-expressing cells. WNT5a also increased mRNA encoding Hippo pathway components including MST1 and MST2 and was positively correlated with these components in prostate cancer clinical datasets. Conversely, ROR2 and WNT5a expression was stimulated by YAP1, and correlated with increased YAP1 activity in clinical datasets, revealing a WNT5a/ROR2 negative feedback loop to modulate YAP1 activity. Together these findings identify Hippo pathway activation as a mechanism that mediates the tumor suppressive effects of WNT5a and indicate that expression of ROR2 may be a predictive biomarker for responsiveness to WNT5a-mimetic drugs. SIGNIFICANCE WNT5a signaling through ROR2 activates the Hippo pathway to downregulate YAP1/TAZ activity and suppress tumor growth, identifying ROR2 as a potential biomarker to identify patients that could benefit from WNT5a-related agents.
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Affiliation(s)
- Keshan Wang
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Fen Ma
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Seiji Arai
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
- Department of Urology, Gunma University Hospital, Maebashi, Gunma, Japan
| | - Yun Wang
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR, China
| | - Andreas Varkaris
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Larysa Poluben
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Olga Voznesensky
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Fang Xie
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Xiaoping Zhang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xin Yuan
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Steven P. Balk
- Hematology-Oncology Division, Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
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28
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Zhu N, Yang R, Wang X, Yuan L, Li X, Wei F, Zhang L. The Hippo signaling pathway: from multiple signals to the hallmarks of cancers. Acta Biochim Biophys Sin (Shanghai) 2023. [PMID: 36942989 DOI: 10.3724/abbs.2023035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
Abstract
Evolutionarily conserved, the Hippo signaling pathway is critical in regulating organ size and tissue homeostasis. The activity of this pathway is tightly regulated under normal circumstances, since its physical function is precisely maintained to control the rate of cell proliferation. Failure of maintenance leads to a variety of tumors. Our understanding of the mechanism of Hippo dysregulation and tumorigenesis is becoming increasingly precise, relying on the emergence of upstream inhibitor or activator and the connection linking Hippo target genes, mutations, and related signaling pathways with phenotypes. In this review, we summarize recent reports on the signaling network of the Hippo pathway in tumorigenesis and progression by exploring its critical mechanisms in cancer biology and potential targeting in cancer therapy.
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Affiliation(s)
- Ning Zhu
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
- Sheng Yushou Center of Cell Biology and Immunology, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Ruizeng Yang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiaodong Wang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Liang Yuan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Xiaoyu Li
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Fang Wei
- Sheng Yushou Center of Cell Biology and Immunology, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lei Zhang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
- Sheng Yushou Center of Cell Biology and Immunology, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou 310024, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
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29
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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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30
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Senju Y, Hibino E. Moesin-ezrin-radixin-like protein merlin: Its conserved and distinct functions from those of ERM proteins. BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2023; 1865:184076. [PMID: 36302494 DOI: 10.1016/j.bbamem.2022.184076] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 10/13/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Yosuke Senju
- Research Institute for Interdisciplinary Science (RIIS), Okayama University, Okayama, Japan.
| | - Emi Hibino
- Graduate School of Pharmaceutical Sciences, Nagoya University, Aichi, Japan
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31
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Hennigan RF, Thomson CS, Stachowski K, Nassar N, Ratner N. Merlin tumor suppressor function is regulated by PIP2-mediated dimerization. PLoS One 2023; 18:e0281876. [PMID: 36809290 PMCID: PMC9942953 DOI: 10.1371/journal.pone.0281876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 01/30/2023] [Indexed: 02/23/2023] Open
Abstract
Neurofibromatosis Type 2 is an inherited disease characterized by Schwann cell tumors of cranial and peripheral nerves. The NF2 gene encodes Merlin, a member of the ERM family consisting of an N-terminal FERM domain, a central α-helical region, and a C-terminal domain. Changes in the intermolecular FERM-CTD interaction allow Merlin to transition between an open, FERM accessible conformation and a closed, FERM-inaccessible conformation, modulating Merlin activity. Merlin has been shown to dimerize, but the regulation and function Merlin dimerization is not clear. We used a nanobody based binding assay to show that Merlin dimerizes via a FERM-FERM interaction, orientated with each C-terminus close to each other. Patient derived and structural mutants show that dimerization controls interactions with specific binding partners, including HIPPO pathway components, and correlates with tumor suppressor activity. Gel filtration experiments showed that dimerization occurs after a PIP2 mediated transition from closed to open conformation monomers. This process requires the first 18 amino acids of the FERM domain and is inhibited by phosphorylation at serine 518. The discovery that active, open conformation Merlin is a dimer represents a new paradigm for Merlin function with implications for the development of therapies designed to compensate for Merlin loss.
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Affiliation(s)
- Robert F. Hennigan
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States of America
- * E-mail:
| | - Craig S. Thomson
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States of America
| | - Kye Stachowski
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States of America
| | - Nicolas Nassar
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States of America
| | - Nancy Ratner
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States of America
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32
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Hu L, Brichalli W, Li N, Chen S, Cheng Y, Liu Q, Xiong Y, Yu J. Myotubularin functions through actomyosin to interact with the Hippo pathway. EMBO Rep 2022; 23:e55851. [PMID: 36285521 PMCID: PMC9724681 DOI: 10.15252/embr.202255851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/01/2022] [Accepted: 10/07/2022] [Indexed: 12/12/2022] Open
Abstract
The Hippo pathway is an evolutionarily conserved developmental pathway that controls organ size by integrating diverse regulatory inputs, including actomyosin-mediated cytoskeletal tension. Despite established connections between the actomyosin cytoskeleton and the Hippo pathway, the upstream regulation of actomyosin in the Hippo pathway is less defined. Here, we identify the phosphoinositide-3-phosphatase Myotubularin (Mtm) as a novel upstream regulator of actomyosin that functions synergistically with the Hippo pathway during growth control. Mechanistically, Mtm regulates membrane phospholipid PI(3)P dynamics, which, in turn, modulates actomyosin activity through Rab11-mediated vesicular trafficking. We reveal PI(3)P dynamics as a novel mode of upstream regulation of actomyosin and establish Rab11-mediated vesicular trafficking as a functional link between membrane lipid dynamics and actomyosin activation in the context of growth control. Our study also shows that MTMR2, the human counterpart of Drosophila Mtm, has conserved functions in regulating actomyosin activity and tissue growth, providing new insights into the molecular basis of MTMR2-related peripheral nerve myelination and human disorders.
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Affiliation(s)
- Liang Hu
- Department of Physiology and NeurobiologyUniversity of ConnecticutStorrsCTUSA
| | - Wyatt Brichalli
- Department of Anatomy & PhysiologyKansas State University College of Veterinary MedicineManhattanKSUSA
| | - Naren Li
- Department of Physiology and NeurobiologyUniversity of ConnecticutStorrsCTUSA
| | - Shifan Chen
- Department of NeuroscienceUniversity of Connecticut School of MedicineFarmingtonCTUSA
| | - Yaqing Cheng
- Department of Physiology and NeurobiologyUniversity of ConnecticutStorrsCTUSA
| | - Qinfang Liu
- Department of NeuroscienceUniversity of Connecticut School of MedicineFarmingtonCTUSA
| | - Yulan Xiong
- Department of NeuroscienceUniversity of Connecticut School of MedicineFarmingtonCTUSA
| | - Jianzhong Yu
- Department of Physiology and NeurobiologyUniversity of ConnecticutStorrsCTUSA
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33
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Wang L, Choi K, Su T, Li B, Wu X, Zhang R, Driskill JH, Li H, Lei H, Guo P, Chen EH, Zheng Y, Pan D. Multiphase coalescence mediates Hippo pathway activation. Cell 2022; 185:4376-4393.e18. [PMID: 36318920 PMCID: PMC9669202 DOI: 10.1016/j.cell.2022.09.036] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 05/29/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022]
Abstract
The function of biomolecular condensates is often restricted by condensate dissolution. Whether condensates can be suppressed without condensate dissolution is unclear. Here, we show that upstream regulators of the Hippo signaling pathway form functionally antagonizing condensates, and their coalescence into a common phase provides a mode of counteracting the function of biomolecular condensates without condensate dissolution. Specifically, the negative regulator SLMAP forms Hippo-inactivating condensates to facilitate pathway inhibition by the STRIPAK complex. In response to cell-cell contact or osmotic stress, the positive regulators AMOT and KIBRA form Hippo-activating condensates to facilitate pathway activation. The functionally antagonizing SLMAP and AMOT/KIBRA condensates further coalesce into a common phase to inhibit STRIPAK function. These findings provide a paradigm for restricting the activity of biomolecular condensates without condensate dissolution, shed light on the molecular principles of multiphase organization, and offer a conceptual framework for understanding upstream regulation of the Hippo signaling pathway.
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Affiliation(s)
- Li Wang
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Kyungsuk Choi
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Ting Su
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Bing Li
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Xiaofeng Wu
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Ruihui Zhang
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jordan H Driskill
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Hongde Li
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Huiyan Lei
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Pengfei Guo
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Elizabeth H Chen
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yonggang Zheng
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
| | - Duojia Pan
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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34
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Ahmad US, Uttagomol J, Wan H. The Regulation of the Hippo Pathway by Intercellular Junction Proteins. Life (Basel) 2022; 12:1792. [PMID: 36362947 PMCID: PMC9696951 DOI: 10.3390/life12111792] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/23/2022] [Accepted: 11/03/2022] [Indexed: 08/24/2023] Open
Abstract
The Hippo pathway is an evolutionarily conserved pathway that serves to promote cell death and differentiation while inhibiting cellular proliferation across species. The downstream effectors of this pathway, yes-associated protein (YAP) and transcriptional co-activator with PDZ-binding motif (TAZ), are considered vital in promoting the output of the Hippo pathway, with activation of upstream kinases negatively regulating YAP/TAZ activity. The upstream regulation of the Hippo pathway is not entirely understood on a molecular level. However, several studies have shown that numerous cellular and non-cellular mechanisms such as cell polarity, contact inhibition, soluble factors, mechanical forces, and metabolism can convey external stimuli to the intracellular kinase cascade, promoting the activation of key components of the Hippo pathway and therefore regulating the subcellular localisation and protein activity of YAP/TAZ. This review will summarise what we have learnt about the role of intercellular junction-associated proteins in the activation of this pathway, including adherens junctions and tight junctions, and in particular our latest findings about the desmosomal components, including desmoglein-3 (DSG3), in the regulation of YAP signalling, phosphorylation, and subcellular translocation.
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Affiliation(s)
- Usama Sharif Ahmad
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK
| | - Jutamas Uttagomol
- Oral Diagnosis Department, Faculty of Dentistry, Naresuan University, Phitsanulok 65000, Thailand
| | - Hong Wan
- Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK
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35
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Wang K, Li B, Ge L, Xie Y. Molecular insight into the systematic affinity and selectivity of partner recognition sites between the WW1 and WW2 domains of human KIBRA neuroprotein. J Mol Graph Model 2022; 116:108258. [PMID: 35810735 DOI: 10.1016/j.jmgm.2022.108258] [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: 09/22/2021] [Revised: 05/22/2022] [Accepted: 06/21/2022] [Indexed: 12/14/2022]
Abstract
Human KIBRA, a member of the WWC family proteins, is an upstream regulator of the Salvador/Warts/Hippo (SWH) signaling pathway and predominately expressed in nervous system. The protein has two functionally regulatory domains WW1 and WW2 at N-terminal region, which recognize and bind to the PY-motif segments of their partner proteins to serve as a signaling scaffold role in the SWH pathway. The two domains are highly conserved, but their downstream ligands and biological functions may not be fully consistent. In this study, we attempted to systematically profile the PY-motif affinity to and selectivity between KIBRA WW1 and WW2 domains involved in partner recognition sites. Ontology mining was used to enrich the KIBRA-interacting proteins in literature libraries, from which a variety of PY-motif peptide segments were identified, and their binding behavior to each domain was then analyzed by integrating computational modeling and experimental assay. Most PY-motif peptides were found to interact potently with WW1 and WW2, but they generally only exhibit a moderate or modest selectivity between the two domains. Subsequently, several representative peptides were further examined in detail to elucidate the molecular mechanism underlying their affinity and selectivity. It is revealed that the middle motif region of PY-motif peptides is primarily responsible for the affinity and stability of peptide binding, but only contributes marginally to peptide selectivity. Instead, the N-terminal region and, particularly, C-terminal region of PY-motif peptides play a crucial role in the selectivity. Hydrophobic contacts and hydrogen bonds confer stability and specificity to the domain-peptide interaction, respectively.
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Affiliation(s)
- Kai Wang
- Department of Anesthesiology, Rizhao People's Hospital, Affiliated to Jining Medical University, Rizhao, 276827, China
| | - Baoqiang Li
- Department of Anesthesiology, Rizhao People's Hospital, Affiliated to Jining Medical University, Rizhao, 276827, China
| | - Lei Ge
- Department of Emergency, Rizhao People's Hospital, Affiliated to Jining Medical University, Rizhao, 276827, China
| | - Yi Xie
- Department of Anesthesiology, Zibo Central Hospital, Affiliated to Binzhou Medical University, Zibo, 255020, China.
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36
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Wu H, Zhu N, Liu J, Ma J, Jiao R. Shaggy regulates tissue growth through Hippo pathway in Drosophila. SCIENCE CHINA. LIFE SCIENCES 2022; 65:2131-2144. [PMID: 36057002 DOI: 10.1007/s11427-022-2156-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/26/2022] [Indexed: 06/15/2023]
Abstract
The evolutionarily conserved Hippo pathway coordinates cell proliferation, differentiation and apoptosis to regulate organ growth and tumorigenesis. Hippo signaling activity is tightly controlled by various upstream signals including growth factors and cell polarity, but the full extent to which the pathway is regulated during development remains to be resolved. Here, we report the identification of Shaggy, the homolog of mammalian Gsk3β, as a novel regulator of the Hippo pathway in Drosophila. Our results show that Shaggy promotes the expression of Hippo target genes in a manner that is dependent on its kinase activity. Loss of Shaggy leads to Yorkie inhibition and downregulation of Hippo pathway target genes. Mechanistically, Shaggy acts upstream of the Hippo pathway and negatively regulates the abundance of the FERM domain containing adaptor protein Expanded. Our results reveal that Shaggy is functionally required for Crumbs/Slmb-mediated downregulation of Expanded in vivo, providing a potential molecular link between cellular architecture and the Hippo signaling pathway.
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Affiliation(s)
- Honggang Wu
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China.
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, 511436, China.
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Nannan Zhu
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, 511436, China
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Jiyong Liu
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jun Ma
- Women's Hospital and Institute of Genetics, Zhejiang University School of Medicine, Hangzhou, 310058, China
- Zhejiang Provincial Key Laboratory of Genetic & Developmental Disorders, Zhejiang University School of Medicine, Hangzhou, 311121, China
| | - Renjie Jiao
- Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China.
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, 511436, China.
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
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37
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Bip-Yorkie interaction determines oncogenic and tumor-suppressive roles of Ire1/Xbp1s activation. Proc Natl Acad Sci U S A 2022; 119:e2202133119. [PMID: 36215479 PMCID: PMC9586321 DOI: 10.1073/pnas.2202133119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Unfolded protein response (UPR) is the mechanism by which cells control endoplasmic reticulum (ER) protein homeostasis. ER proteostasis is essential to adapt to cell proliferation and regeneration in development and tumorigenesis, but mechanisms linking UPR, growth control, and cancer progression remain unclear. Here, we report that the Ire1/Xbp1s pathway has surprisingly oncogenic and tumor-suppressive roles in a context-dependent manner. Activation of Ire1/Xbp1s up-regulates their downstream target Bip, which sequesters Yorkie (Yki), a Hippo pathway transducer, in the cytoplasm to restrict Yki transcriptional output. This regulation provides an endogenous defensive mechanism in organ size control, intestinal homeostasis, and regeneration. Unexpectedly, Xbp1 ablation promotes tumor overgrowth but suppresses invasiveness in a Drosophila cancer model. Mechanistically, hyperactivated Ire1/Xbp1s signaling in turn induces JNK-dependent developmental and oncogenic cell migration and epithelial-mesenchymal transition (EMT) via repression of Yki. In humans, a negative correlation between XBP1 and YAP (Yki ortholog) target gene expression specifically exists in triple-negative breast cancers (TNBCs), and those with high XBP1 or HSPA5 (Bip ortholog) expression have better clinical outcomes. In human TNBC cell lines and xenograft models, ectopic XBP1s or HSPA5 expression alleviates tumor growth but aggravates cell migration and invasion. These findings uncover a conserved crosstalk between the Ire1/Xbp1s and Hippo signaling pathways under physiological settings, as well as a crucial role of Bip-Yki interaction in tumorigenesis that is shared from Drosophila to humans.
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38
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A novel NF2 splicing mutant causes neurofibromatosis type 2 via liquid-liquid phase separation with large tumor suppressor and Hippo pathway. iScience 2022; 25:105275. [PMID: 36300003 PMCID: PMC9589172 DOI: 10.1016/j.isci.2022.105275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/27/2022] [Accepted: 09/30/2022] [Indexed: 11/24/2022] Open
Abstract
Neurofibromatosis type 2 is an autosomal dominant multiple neoplasia syndrome and is usually caused by mutations in the neurofibromin 2 (NF2) gene, which encodes a tumor suppressor and initiates the Hippo pathway. However, the mechanism by which NF2 functions in the Hippo pathway isn’t fully understood. Here we identified a NF2 c.770-784del mutation from a neurofibromatosis type 2 family. MD simulations showed that this mutation significantly changed the structure of the F3 module of the NF2-FERM domain. Functional assays indicated that the NF2 c.770-784del variant formed LLPS in the cytoplasm with LATS to restrain LATS plasma membrane localization and inactivated the Hippo pathway. Besides, this deletion partly caused a skipping of exon 8 and reduced the protein level of NF2, collectively promoting proliferation and tumorigenesis of meningeal cells. We identified an unrecognized mechanism of LLPS and splicing skipping for the NF2-induced Hippo pathway, which provided new insight into the pathogenesis of neurofibromatosis type 2. NF2 c.770-784 deletion is a novel mutation related to Neurofibromatosis type 2 NF2 variant forms LLPS in the cytoplasm with LATS and inhibits the Hippo pathway NF2 variant causes an aberrant skipping of exon 8 and reduces NF2 protein level NF2 variant promotes proliferation and tumorigenesis of meningeal cells
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39
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Howard A, Bojko J, Flynn B, Bowen S, Jungwirth U, Walko G. Targeting the Hippo/YAP/TAZ signalling pathway: Novel opportunities for therapeutic interventions into skin cancers. Exp Dermatol 2022; 31:1477-1499. [PMID: 35913427 PMCID: PMC9804452 DOI: 10.1111/exd.14655] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/11/2022] [Accepted: 07/25/2022] [Indexed: 01/05/2023]
Abstract
Skin cancers are by far the most frequently diagnosed human cancers. The closely related transcriptional co-regulator proteins YAP and TAZ (WWTR1) have emerged as important drivers of tumour initiation, progression and metastasis in melanoma and non-melanoma skin cancers. YAP/TAZ serve as an essential signalling hub by integrating signals from multiple upstream pathways. In this review, we summarize the roles of YAP/TAZ in skin physiology and tumorigenesis and discuss recent efforts of therapeutic interventions that target YAP/TAZ in in both preclinical and clinical settings, as well as their prospects for use as skin cancer treatments.
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Affiliation(s)
| | - Jodie Bojko
- Department of Life SciencesUniversity of BathBathUK
| | | | - Sophie Bowen
- Department of Life SciencesUniversity of BathBathUK
| | - Ute Jungwirth
- Department of Life SciencesUniversity of BathBathUK,Centre for Therapeutic InnovationUniversity of BathBathUK
| | - Gernot Walko
- Department of Life SciencesUniversity of BathBathUK,Centre for Therapeutic InnovationUniversity of BathBathUK
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40
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Gu Y, Wang Y, Sha Z, He C, Zhu Y, Li J, Yu A, Zhong Z, Wang X, Sun Y, Lan F, Yu FX. Transmembrane protein KIRREL1 regulates Hippo signaling via a feedback loop and represents a therapeutic target in YAP/TAZ-active cancers. Cell Rep 2022; 40:111296. [PMID: 36044856 DOI: 10.1016/j.celrep.2022.111296] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 07/05/2022] [Accepted: 08/10/2022] [Indexed: 11/18/2022] Open
Abstract
The Hippo tumor-suppressor pathway is frequently dysregulated in human cancers and represents a therapeutic target. However, strategies targeting the mammalian Hippo pathway are limited because of the lack of a well-established cell-surface regulator. Here, we show that transmembrane protein KIRREL1, by interacting with both SAV1 and LATS1/2, promotes LATS1/2 activation by MST1/2 (Hippo kinases), and LATS1/2 activation, in turn, inhibits activity of YAP/TAZ oncoproteins. Conversely, YAP/TAZ directly induce the expression of KIRREL1 in a TEAD1-4-dependent manner. Indeed, KIRREL1 expression positively correlates with canonical YAP/TAZ target gene expression in clinical tumor specimens and predicts poor prognosis. Moreover, transgenic expression of KIRREL1 effectively blocks tumorigenesis in a mouse intrahepatic cholangiocarcinoma model, indicating a tumor-suppressor role of KIRREL1. Hence, KIRREL1 constitutes a negative feedback mechanism regulating the Hippo pathway and serves as a cell-surface marker and potential drug target in cancers with YAP/TAZ dependency.
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Affiliation(s)
- Yuan Gu
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China; Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032 China
| | - Yu Wang
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhao Sha
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Chenxi He
- Shanghai Key Laboratory of Medical Epigenetics, International Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, Fudan University, and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yuwen Zhu
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Jian Li
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Aijuan Yu
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhenxing Zhong
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Xuefei Wang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032 China
| | - Yihong Sun
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032 China
| | - Fei Lan
- Shanghai Key Laboratory of Medical Epigenetics, International Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, Fudan University, and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Fa-Xing Yu
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, the State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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41
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Zheng A, Chen Q, Zhang L. The Hippo-YAP pathway in various cardiovascular diseases: Focusing on the inflammatory response. Front Immunol 2022; 13:971416. [PMID: 36059522 PMCID: PMC9433876 DOI: 10.3389/fimmu.2022.971416] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/02/2022] [Indexed: 11/25/2022] Open
Abstract
The Hippo pathway was initially discovered in Drosophila melanogaster and mammals as a key regulator of tissue growth both in physiological and pathological states. Numerous studies depict the vital role of the Hippo pathway in cardiovascular development, heart regeneration, organ size and vascular remodeling through the regulation of YAP (yes-associated protein) translocation. Recently, an increasing number of studies have focused on the Hippo-YAP pathway in inflammation and immunology. Although the Hippo-YAP pathway has been revealed to play controversial roles in different contexts and cell types in the cardiovascular system, the mechanisms regulating tissue inflammation and the immune response remain to be clarified. In this review, we summarize findings from the past decade on the function and mechanism of the Hippo-YAP pathway in CVDs (cardiovascular diseases) such as myocardial infarction, cardiomyopathy and atherosclerosis. In particular, we emphasize the role of the Hippo-YAP pathway in regulating inflammatory cell infiltration and inflammatory cytokine activation.
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Affiliation(s)
| | | | - Li Zhang
- *Correspondence: Li Zhang, ; Qishan Chen,
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42
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Song L, Han X, Li Y, Han X, Zhao M, Li C, Wang P, Wang J, Dong Y, Cong L, Han X, Hou T, Liu K, Wang Y, Qiu C, Du Y. Thalamic gray matter volume mediates the association between KIBRA polymorphism and olfactory function among older adults: a population-based study. Cereb Cortex 2022; 33:3664-3673. [PMID: 35972417 PMCID: PMC10068283 DOI: 10.1093/cercor/bhac299] [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: 04/06/2022] [Revised: 07/09/2022] [Accepted: 07/11/2022] [Indexed: 11/12/2022] Open
Abstract
The kidney and brain expressed protein (KIBRA) rs17070145 polymorphism is associated with both structure and activation of the olfactory cortex. However, no studies have thus far examined whether KIBRA can be linked with olfactory function and whether brain structure plays any role in the association. We addressed these questions in a population-based cross-sectional study among rural-dwelling older adults. This study included 1087 participants derived from the Multidomain Interventions to Delay Dementia and Disability in Rural China, who underwent the brain MRI scans in August 2018 to October 2020; of these, 1016 took the 16-item Sniffin' Sticks identification test and 634 (62.40%) were defined with olfactory impairment (OI). Data were analyzed using the voxel-based morphometry analysis and general linear, logistic, and structural equation models. The KIBRA rs17070145 C-allele (CC or CT vs. TT genotype) was significantly associated with greater gray matter volume (GMV) mainly in the bilateral orbitofrontal cortex and left thalamus (P < 0.05) and with the multi-adjusted odds ratio of 0.73 (95% confidence interval 0.56-0.95) for OI. The left thalamic GMV could mediate 8.08% of the KIBRA-olfaction association (P < 0.05). These data suggest that the KIBRA rs17070145 C-allele is associated with a reduced likelihood of OI among older adults, partly mediated through left thalamic GMV.
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Affiliation(s)
- Lin Song
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Xiaodong Han
- Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Yuanjing Li
- Department of Neurobiology, Care Sciences and Society, Aging Research Center and Center for Alzheimer Research, Karolinska Institutet-Stockholm University, 17177 Stockholm, Sweden
| | - Xiaolei Han
- Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Mingqing Zhao
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China
| | - Chunyan Li
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China
| | - Pin Wang
- Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Jiafeng Wang
- Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Yi Dong
- Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Lin Cong
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Xiaojuan Han
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Tingting Hou
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Keke Liu
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Yongxiang Wang
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
| | - Chengxuan Qiu
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China.,Department of Neurobiology, Care Sciences and Society, Aging Research Center and Center for Alzheimer Research, Karolinska Institutet-Stockholm University, 17177 Stockholm, Sweden
| | - Yifeng Du
- Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, PR China.,Department of Neurology, Shandong Provincial Hospital, Shandong University, 250021 Jinan, Shandong, PR China
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43
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Dubois F, Bazille C, Levallet J, Maille E, Brosseau S, Madelaine J, Bergot E, Zalcman G, Levallet G. Molecular Alterations in Malignant Pleural Mesothelioma: A Hope for Effective Treatment by Targeting YAP. Target Oncol 2022; 17:407-431. [PMID: 35906513 PMCID: PMC9345804 DOI: 10.1007/s11523-022-00900-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2022] [Indexed: 01/11/2023]
Abstract
Malignant pleural mesothelioma is a rare and aggressive neoplasm, which has primarily been attributed to the exposure to asbestos fibers (83% of cases); yet, despite a ban of using asbestos in many countries, the incidence of malignant pleural mesothelioma failed to decline worldwide. While little progress has been made in malignant pleural mesothelioma diagnosis, bevacizumab at first, then followed by double immunotherapy (nivolumab plus ipilumumab), were all shown to improve survival in large phase III randomized trials. The morphological analysis of the histological subtyping remains the primary indicator for therapeutic decision making at an advanced disease stage, while a platinum-based chemotherapy regimen combined with pemetrexed, either with or without bevacizumab, is still the main treatment option. Consequently, malignant pleural mesothelioma still represents a significant health concern owing to poor median survival (12-18 months). Given this context, both diagnosis and therapy improvements require better knowledge of the molecular mechanisms underlying malignant pleural mesothelioma's carcinogenesis and progression. Hence, the Hippo pathway in malignant pleural mesothelioma initiation and progression has recently received increasing attention, as the aberrant expression of its core components may be closely related to patient prognosis. The purpose of this review was to provide a critical analysis of our current knowledge on these topics, the main focus being on the available evidence concerning the role of each Hippo pathway's member as a promising biomarker, enabling detection of the disease at earlier stages and thus improving prognosis.
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Affiliation(s)
- Fatéméh Dubois
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France.,Department of Pathology, CHU de Caen, Caen, France.,Federative Structure of Cyto-Molecular Oncogenetics (SF-MOCAE), CHU de Caen, Caen, France
| | - Céline Bazille
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France.,Department of Pathology, CHU de Caen, Caen, France
| | - Jérôme Levallet
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France
| | - Elodie Maille
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France
| | - Solenn Brosseau
- Department of Thoracic Oncology and CIC1425, Hospital Bichat-Claude Bernard, Assistance Publique Hôpitaux de Paris, Université Paris-Diderot, Paris, France.,U830 INSERM "Genetics and Biology of Cancers, A.R.T Group", Curie Institute, Paris, France
| | - Jeannick Madelaine
- Department of Pulmonology and Thoracic Oncology, CHU de Caen, Caen, France
| | - Emmanuel Bergot
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France.,Department of Pulmonology and Thoracic Oncology, CHU de Caen, Caen, France
| | - Gérard Zalcman
- Department of Thoracic Oncology and CIC1425, Hospital Bichat-Claude Bernard, Assistance Publique Hôpitaux de Paris, Université Paris-Diderot, Paris, France.,U830 INSERM "Genetics and Biology of Cancers, A.R.T Group", Curie Institute, Paris, France
| | - Guénaëlle Levallet
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France. .,Department of Pathology, CHU de Caen, Caen, France. .,Federative Structure of Cyto-Molecular Oncogenetics (SF-MOCAE), CHU de Caen, Caen, France.
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Guo CL. Self-Sustained Regulation or Self-Perpetuating Dysregulation: ROS-dependent HIF-YAP-Notch Signaling as a Double-Edged Sword on Stem Cell Physiology and Tumorigenesis. Front Cell Dev Biol 2022; 10:862791. [PMID: 35774228 PMCID: PMC9237464 DOI: 10.3389/fcell.2022.862791] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 04/29/2022] [Indexed: 12/19/2022] Open
Abstract
Organ development, homeostasis, and repair often rely on bidirectional, self-organized cell-niche interactions, through which cells select cell fate, such as stem cell self-renewal and differentiation. The niche contains multiplexed chemical and mechanical factors. How cells interpret niche structural information such as the 3D topology of organs and integrate with multiplexed mechano-chemical signals is an open and active research field. Among all the niche factors, reactive oxygen species (ROS) have recently gained growing interest. Once considered harmful, ROS are now recognized as an important niche factor in the regulation of tissue mechanics and topology through, for example, the HIF-YAP-Notch signaling pathways. These pathways are not only involved in the regulation of stem cell physiology but also associated with inflammation, neurological disorder, aging, tumorigenesis, and the regulation of the immune checkpoint molecule PD-L1. Positive feedback circuits have been identified in the interplay of ROS and HIF-YAP-Notch signaling, leading to the possibility that under aberrant conditions, self-organized, ROS-dependent physiological regulations can be switched to self-perpetuating dysregulation, making ROS a double-edged sword at the interface of stem cell physiology and tumorigenesis. In this review, we discuss the recent findings on how ROS and tissue mechanics affect YAP-HIF-Notch-PD-L1 signaling, hoping that the knowledge can be used to design strategies for stem cell-based and ROS-targeting therapy and tissue engineering.
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Terry BK, Kim S. The Role of Hippo-YAP/TAZ Signaling in Brain Development. Dev Dyn 2022; 251:1644-1665. [PMID: 35651313 DOI: 10.1002/dvdy.504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 05/19/2022] [Accepted: 05/24/2022] [Indexed: 11/08/2022] Open
Abstract
In order for our complex nervous system to develop normally, both precise spatial and temporal regulation of a number of different signaling pathways is critical. During both early embryogenesis and in organ development, one pathway that has been repeatedly implicated is the Hippo-YAP/TAZ signaling pathway. The paralogs YAP and TAZ are transcriptional co-activators that play an important role in cell proliferation, cell differentiation, and organ growth. Regulation of these proteins by the Hippo kinase cascade is therefore important for normal development. In this article, we review the growing field of research surrounding the role of Hippo-YAP/TAZ signaling in normal and atypical brain development. Starting from the development of the neural tube to the development and refinement of the cerebral cortex, cerebellum, and ventricular system, we address the typical role of these transcriptional co-activators, the functional consequences that manipulation of YAP/TAZ and their upstream regulators have on brain development, and where further research may be of benefit. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Bethany K Terry
- Shriners Hospitals Pediatrics Research Center, Department of Neural Sciences, Temple University Lewis Katz School of Medicine, Philadelphia, PA.,Biomedical Sciences Graduate Program, Temple University Lewis Katz School of Medicine, Philadelphia, PA, USA
| | - Seonhee Kim
- Shriners Hospitals Pediatrics Research Center, Department of Neural Sciences, Temple University Lewis Katz School of Medicine, Philadelphia, PA
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Faraji F, Ramirez SI, Anguiano Quiroz PY, Mendez-Molina AN, Gutkind JS. Genomic Hippo Pathway Alterations and Persistent YAP/TAZ Activation: New Hallmarks in Head and Neck Cancer. Cells 2022; 11:1370. [PMID: 35456049 PMCID: PMC9028246 DOI: 10.3390/cells11081370] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 02/06/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) represents a highly prevalent and deadly malignancy worldwide. The prognosis for locoregionally advanced HNSCC has not appreciably improved over the past 30 years despite advances in surgical, radiation, and targeted therapies and less than 20% of HNSCC patients respond to recently approved immune checkpoint inhibitors. The Hippo signaling pathway, originally discovered as a mechanism regulating tissue growth and organ size, transduces intracellular and extracellular signals to regulate the transcriptional co-activators YAP and TAZ. Alterations in the Hippo pathway resulting in persistent YAP and TAZ activation have emerged as major oncogenic drivers. Our analysis of the human HNSCC oncogenome revealed multiple genomic alterations impairing Hippo signaling and activating YAP and TAZ, which in turn contribute to HNSCC development. This includes mutations and deletions of the FAT1 gene (29%) and amplification of the WWTR1 (encoding TAZ, 14%) and YAP1 genes (8%), together representing one of the most genetically altered signaling mechanisms in this malignancy. Here, we discuss key elements of the mammalian Hippo pathway, detail mechanisms by which perturbations in Hippo signaling promote HNSCC initiation and progression and outline emerging strategies to target Hippo signaling vulnerabilities as part of novel multimodal precision therapies for HNSCC.
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Affiliation(s)
- Farhoud Faraji
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego Health, La Jolla, CA 92093, USA
- Gleiberman Head and Neck Cancer Center, University of California San Diego Health, La Jolla, CA 92093, USA
- Department of Pharmacology, Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA;
| | - Sydney I. Ramirez
- Department of Pharmacology, Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA;
- Division of Infectious Disease and Global Public Health, Department of Internal Medicine, University of California San Diego, La Jolla, CA 92037, USA
| | | | | | - J. Silvio Gutkind
- Gleiberman Head and Neck Cancer Center, University of California San Diego Health, La Jolla, CA 92093, USA
- Department of Pharmacology, Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA;
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Pan D. The unfolding of the Hippo signaling pathway. Dev Biol 2022; 487:1-9. [PMID: 35405135 DOI: 10.1016/j.ydbio.2022.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/31/2022] [Accepted: 04/05/2022] [Indexed: 12/15/2022]
Abstract
The development of a functional organ requires not only patterning mechanisms that confer proper identities to individual cells, but also growth-regulatory mechanisms that specify the final size of the organ. At the turn of the 21st century, comprehensive genetic screens in model organisms had successfully uncovered the major signaling pathways that mediate pattern formation in metazoans. In contrast, signaling pathways dedicated to growth control were less explored. The past two decades has witnessed the emergence of the Hippo signaling pathway as a central mediator of organ size control through coordinated regulation of cell proliferation and apoptosis. Here I reflect on the early discoveries in Drosophila that elucidated the core kinase cascade and transcriptional machinery of the Hippo pathway, highlight its deep evolutionary conservation from humans to unicellular relatives of metazoan, and discuss the complex regulation of Hippo signaling by upstream inputs. This historical perspective underscores the importance of model organisms in uncovering fundamental and universal mechanisms of life processes.
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Affiliation(s)
- Duojia Pan
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX, 75390-9040, USA.
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Kim CL, Lim SB, Kim K, Jeong HS, Mo JS. Phosphorylation analysis of the Hippo-YAP pathway using Phos-tag. J Proteomics 2022; 261:104582. [DOI: 10.1016/j.jprot.2022.104582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 03/22/2022] [Accepted: 03/31/2022] [Indexed: 10/18/2022]
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Qi S, Zhu Y, Liu X, Li P, Wang Y, Zeng Y, Yu A, Wang Y, Sha Z, Zhong Z, Zhu R, Yuan H, Ye D, Huang S, Ling C, Xu Y, Zhou D, Zhang L, Yu FX. WWC proteins mediate LATS1/2 activation by Hippo kinases and imply a tumor suppression strategy. Mol Cell 2022; 82:1850-1864.e7. [DOI: 10.1016/j.molcel.2022.03.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 02/09/2022] [Accepted: 03/21/2022] [Indexed: 12/30/2022]
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50
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Moon S, Hwang S, Kim B, Lee S, Kim H, Lee G, Hong K, Song H, Choi Y. Hippo Signaling in the Endometrium. Int J Mol Sci 2022; 23:ijms23073852. [PMID: 35409214 PMCID: PMC8998929 DOI: 10.3390/ijms23073852] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/22/2022] [Accepted: 03/22/2022] [Indexed: 01/27/2023] Open
Abstract
The uterus is essential for embryo implantation and fetal development. During the estrous cycle, the uterine endometrium undergoes dramatic remodeling to prepare for pregnancy. Angiogenesis is an essential biological process in endometrial remodeling. Steroid hormones regulate the series of events that occur during such remodeling. Researchers have investigated the potential factors, including angiofactors, involved in endometrial remodeling. The Hippo signaling pathway discovered in the 21st century, plays important roles in various cellular functions, including cell proliferation and cell death. However, its role in the endometrium remains unclear. In this review, we describe the female reproductive system and its association with the Hippo signaling pathway, as well as novel Hippo pathway genes and potential target genes.
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