1
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Evergren E, Mills IG, Kennedy G. Adaptations of membrane trafficking in cancer and tumorigenesis. J Cell Sci 2024; 137:jcs260943. [PMID: 38770683 PMCID: PMC11166456 DOI: 10.1242/jcs.260943] [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: 05/22/2024] Open
Abstract
Membrane trafficking, a fundamental cellular process encompassing the transport of molecules to specific organelles, endocytosis at the plasma membrane and protein secretion, is crucial for cellular homeostasis and signalling. Cancer cells adapt membrane trafficking to enhance their survival and metabolism, and understanding these adaptations is vital for improving patient responses to therapy and identifying therapeutic targets. In this Review, we provide a concise overview of major membrane trafficking pathways and detail adaptations in these pathways, including COPII-dependent endoplasmic reticulum (ER)-to-Golgi vesicle trafficking, COPI-dependent retrograde Golgi-to-ER trafficking and endocytosis, that have been found in cancer. We explore how these adaptations confer growth advantages or resistance to cell death and conclude by discussing the potential for utilising this knowledge in developing new treatment strategies and overcoming drug resistance for cancer patients.
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Affiliation(s)
- Emma Evergren
- Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ian G. Mills
- Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford OX3 9DU, UK
| | - Grace Kennedy
- Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
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2
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Laragione T, Harris C, Gulko PS. KIF1C and new Huntingtin-interacting protein 1 binding proteins regulate rheumatoid arthritis fibroblast-like synoviocytes' phenotypes. Front Immunol 2024; 15:1323410. [PMID: 38726004 PMCID: PMC11079228 DOI: 10.3389/fimmu.2024.1323410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/18/2024] [Indexed: 05/12/2024] Open
Abstract
Background Huntingtin-interacting protein-1 (HIP1) is a new arthritis severity gene implicated in the regulation of the invasive properties of rheumatoid arthritis (RA) fibroblast-like synoviocytes (FLS). These invasive properties of FLS strongly correlate with radiographic and histology damage in patients with RA and rodent models of arthritis. While HIP1 has several intracellular functions, little is known about its binding proteins, and identifying them has the potential to expand our understanding of its role in cell invasion and other disease-contributing phenotypes, and potentially identify new targets for therapy. Methods FLS cell lines from arthritic DA (highly invasive) and from arthritis-protected congenic rats R6 (minimally invasive), which differ in an amino-acid changing HIP1 SNP, were cultured and lysed, and proteins were immunoprecipitated with an anti-HIP1 antibody. Immunoprecipitates were analyzed by mass spectrometry. Differentially detected (bound) proteins were selected for functional experiments using siRNA knockdown in human RA FLS to examine their effect in cell invasiveness, adhesion, cell migration and proliferation, and immunofluorescence microscopy. Results Proteins detected included a few known HIP1-binding proteins and several new ones. Forty-five proteins differed in levels detected in the DA versus R6 congenic mass spectrometry analyses. Thirty-two of these proteins were knocked down and studied in vitro, with 10 inducing significant changes in RA FLS phenotypes. Specifically, knockdown of five HIP1-binding protein genes (CHMP4BL1, COPE, KIF1C, YWHAG, and YWHAH) significantly decreased FLS invasiveness. Knockdown of KIF1C also reduced RA FLS migration. The binding of four selected proteins to human HIP1 was confirmed. KIF1C colocalized with lamellipodia, and its knockdown prevented RA FLS from developing an elongated morphology with thick linearized actin fibers or forming polarized lamellipodia, all required for cell mobility and invasion. Unlike HIP1, KIF1C knockdown did not affect Rac1 signaling. Conclusion We have identified new HIP1-binding proteins and demonstrate that 10 of them regulate key FLS phenotypes. These HIP1-binding proteins have the potential to become new therapeutic targets and help better understand the RA FLS pathogenic behavior. KIF1C knockdown recapitulated the morphologic changes previously seen in the absence of HIP1, but did not affect the same cell signaling pathway, suggesting involvement in the regulation of different processes.
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Affiliation(s)
| | | | - Percio S. Gulko
- Division of Rheumatology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
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3
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Lan P, Li M, Wang Y, Wang J, Li L, Zhang S, Zhang X, Ran C, Zheng J, Gong H. Y-box protein-1 modulates circSPECC1 to promote glioma tumorigenesis via miR-615-5p/HIP1/AKT axis. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1902-1912. [PMID: 37994157 PMCID: PMC10753359 DOI: 10.3724/abbs.2023230] [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: 12/08/2022] [Accepted: 06/13/2023] [Indexed: 11/24/2023] Open
Abstract
Y-box binding protein-1 (YB-1) is upregulated in glioma and plays an important role in its occurrence and drug resistance. However, the involved regulatory processes and downstream pathways are still unclear. Since various circular RNAs (circRNAs) and microRNAs (miRNAs) also play roles in the pathogenesis of glioma, we hypothesize that YB-1 may exert its function through a circRNA-miRNA-protein interaction network. In this study, we use the RNA binding protein immunoprecipitation assay and quantitative reverse transcription polymerase chain reaction to determine the circRNAs involved in the regulation of YB-1 and further elucidate their biological functions. The level of circSPECC1 (hsa_circ_0000745) modulated by YB-1 is significantly upregulated in the U251 and U87 glioma cell lines. Downregulation of circSPECC1 markedly inhibits the proliferation and invasiveness of U251 and U87 cells by inducing apoptosis. Bioinformatics analysis reveals that miR-615-5p could interact with circSPECC1 and huntingtin-interacting protein-1 (HIP-1). Then we determine the interactions between miR-615-5p, circSPECC1, and HIP1 using dual luciferase reporter system and pull-down assays. Mechanistic analysis indicates that the downregulation of circSPECC1 results in a decreased HIP1 expression. This study demonstrates that circSPECC1 modulated by YB-1 is increased in glioma cell lines. In addition, circSPECC1 promotes glioma growth through the upregulation of HIP1 by sponging miR-615-5p and targeting the HIP1/AKT pathway. This indicates that YB-1 and circSPECC1 may both be promising targets for glioma treatment.
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Affiliation(s)
- Ping Lan
- Department of NephrologyHospital of Nephrologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Meihe Li
- Department of Renal TransplantationHospital of Nephrologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Ying Wang
- Department of Renal TransplantationHospital of Nephrologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Jingwen Wang
- Department of Renal TransplantationHospital of Nephrologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Luyao Li
- Department of Pathologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Sha Zhang
- Department of Pathologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Xuan Zhang
- Department of Pathologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Caihong Ran
- Department of PathologyNgari Prefecture People’s HospitalNgari Prefecture 859099China
| | - Jin Zheng
- Department of Renal TransplantationHospital of Nephrologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
| | - Huilin Gong
- Department of Pathologythe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an710061China
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4
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Lacombe L, Hovington H, Brisson H, Mehdi S, Beillevaire D, Émond JP, Wagner A, Villeneuve L, Simonyan D, Ouellet V, Barrès V, Latour M, Aprikian A, Bergeron A, Castonguay V, Couture F, Chevalier S, Brimo F, Fazli L, Fleshner N, Gleave M, Karakiewicz PI, Lattouf JB, Trudel D, van der Kwast T, Mes-Masson AM, Pouliot F, Fradet Y, Audet-Walsh E, Saad F, Guillemette C, Lévesque E. UGT2B28 accelerates prostate cancer progression through stabilization of the endocytic adaptor protein HIP1 regulating AR and EGFR pathways. Cancer Lett 2023; 553:215994. [PMID: 36343786 DOI: 10.1016/j.canlet.2022.215994] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/28/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
Abstract
The androgen inactivating UGT2B28 pathway emerges as a predictor of progression in prostate cancer (PCa). However, the clinical significance of UGT2B28 tumoral expression and its contribution to PCa progression remain unclear. Using the Canadian Prostate Cancer Biomarker Network biobank (CPCBN; n = 1512), we analyzed UGT2B28 tumor expression in relation to clinical outcomes in men with localized PCa. UGT2B28 was overexpressed in tumors compared to paired normal adjacent prostatic tissue and was associated with inferior outcomes. Functional analyses indicated that UGT2B28 promoted cell proliferation, and its expression was regulated by the androgen receptor (AR)/ARv7. Mechanistically, UGT2B28 was shown to be a protein partner of the endocytic adaptor protein huntingtin-interacting protein 1 (HIP1), increasing its stability and priming AR/epidermal growth factor receptor (EGFR) pathways, leading to ERK1/2 activation triggering cell proliferation and epithelial-to-mesenchymal transition (EMT). HIP1 knockdown in UGT2B28 positive cells, and dual pharmacological targeting of AR and EGFR pathways, abolished cell proliferative advantages conferred by UGT2B28. In conclusion, UGT2B28 is a prognosticator of progression in localized PCa, regulates both AR and EGFR oncogenic signaling pathways via HIP1, and therefore can be therapeutically targeted by using combination of existing AR/EGFR inhibitors.
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Affiliation(s)
- Louis Lacombe
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada.
| | - Hélène Hovington
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Hervé Brisson
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Sadia Mehdi
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Déborah Beillevaire
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Jean-Philippe Émond
- Pharmacogenomics Laboratory, CRCHUQc-UL, Centre de recherche sur le cancer (CRC) de l'Université Laval and Faculty of Pharmacy, Université Laval, Québec, Québec, Canada
| | - Antoine Wagner
- Pharmacogenomics Laboratory, CRCHUQc-UL, Centre de recherche sur le cancer (CRC) de l'Université Laval and Faculty of Pharmacy, Université Laval, Québec, Québec, Canada
| | - Lyne Villeneuve
- Pharmacogenomics Laboratory, CRCHUQc-UL, Centre de recherche sur le cancer (CRC) de l'Université Laval and Faculty of Pharmacy, Université Laval, Québec, Québec, Canada
| | - David Simonyan
- Clinical and Evaluative Research Platform, CRCHUQc-UL, Québec, Québec, Canada
| | - Véronique Ouellet
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | - Véronique Barrès
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | - Mathieu Latour
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | - Armen Aprikian
- Research Institute of the McGill University Health Centre and Faculty of Medicine, McGill University, Montréal, Québec, Canada
| | - Alain Bergeron
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Vincent Castonguay
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Félix Couture
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Simone Chevalier
- Research Institute of the McGill University Health Centre and Faculty of Medicine, McGill University, Montréal, Québec, Canada
| | - Fadi Brimo
- Research Institute of the McGill University Health Centre and Faculty of Medicine, McGill University, Montréal, Québec, Canada
| | - Ladan Fazli
- Vancouver Prostate Cancer Centre, Vancouver, British Columbia, Canada
| | | | - Martin Gleave
- Vancouver Prostate Cancer Centre, Vancouver, British Columbia, Canada
| | - Pierre I Karakiewicz
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | - Jean-Baptiste Lattouf
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | - Dominique Trudel
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | | | - Anne-Marie Mes-Masson
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | - Frédéric Pouliot
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Yves Fradet
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Etienne Audet-Walsh
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Fred Saad
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM) and Institut du cancer de Montréal, Montréal, Québec, Canada
| | - Chantal Guillemette
- Pharmacogenomics Laboratory, CRCHUQc-UL, Centre de recherche sur le cancer (CRC) de l'Université Laval and Faculty of Pharmacy, Université Laval, Québec, Québec, Canada.
| | - Eric Lévesque
- Centre de recherche du Centre Hospitalier Universitaire de Québec - Université Laval (CRCHUQc-UL), Centre de recherche sur le cancer (CRC) de l'Université Laval, Faculty of Medicine, Université Laval, Québec, Québec, Canada.
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5
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Feliz Morel ÁJ, Hasanovic A, Morin A, Prunier C, Magnone V, Lebrigand K, Aouad A, Cogoluegnes S, Favier J, Pasquier C, Mus-Veteau I. Persistent Properties of a Subpopulation of Cancer Cells Overexpressing the Hedgehog Receptor Patched. Pharmaceutics 2022; 14:pharmaceutics14050988. [PMID: 35631574 PMCID: PMC9146430 DOI: 10.3390/pharmaceutics14050988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/22/2022] [Accepted: 04/29/2022] [Indexed: 02/01/2023] Open
Abstract
Despite the development of new therapeutic strategies, cancer remains one of the leading causes of mortality worldwide. One of the current major challenges is the resistance of cancers to chemotherapy treatments inducing metastases and relapse of the tumor. The Hedgehog receptor Patched (Ptch1) is overexpressed in many types of cancers. We showed that Ptch1 contributes to the efflux of doxorubicin and plays an important role in the resistance to chemotherapy in adrenocortical carcinoma (ACC), a rare cancer which presents strong resistance to the standard of care chemotherapy treatment. In the present study, we isolated and characterized a subpopulation of the ACC cell line H295R in which Ptch1 is overexpressed and more present at the cell surface. This cell subpopulation is more resistant to doxorubicin, grows as spheroids, and has a greater capability of clonogenicity, migration, and invasion than the parental cells. Xenograft experiments performed in mice and in ovo showed that this cell subpopulation is more tumorigenic and metastatic than the parental cells. These results suggest that this cell subpopulation has cancer stem-like or persistent cell properties which were strengthened by RNA-seq. If present in tumors from ACC patients, these cells could be responsible for therapy resistance, relapse, and metastases.
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Affiliation(s)
- Álvaro Javier Feliz Morel
- Université Côte d’Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), 06560 Valbonne, France; (Á.J.F.M.); (A.H.); (V.M.); (K.L.); (A.A.); (S.C.)
| | - Anida Hasanovic
- Université Côte d’Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), 06560 Valbonne, France; (Á.J.F.M.); (A.H.); (V.M.); (K.L.); (A.A.); (S.C.)
| | - Aurélie Morin
- Université de Paris, PARCC, INSERM, Equipe Labellisée par la Ligue Contre le Cancer, CEDEX 15, 75737 Paris, France; (A.M.); (J.F.)
| | - Chloé Prunier
- INOVOTION, Biopolis-5 Av. du Grand Sablon, 38700 La Tronche, France;
| | - Virginie Magnone
- Université Côte d’Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), 06560 Valbonne, France; (Á.J.F.M.); (A.H.); (V.M.); (K.L.); (A.A.); (S.C.)
| | - Kevin Lebrigand
- Université Côte d’Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), 06560 Valbonne, France; (Á.J.F.M.); (A.H.); (V.M.); (K.L.); (A.A.); (S.C.)
| | - Amaury Aouad
- Université Côte d’Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), 06560 Valbonne, France; (Á.J.F.M.); (A.H.); (V.M.); (K.L.); (A.A.); (S.C.)
| | - Sarah Cogoluegnes
- Université Côte d’Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), 06560 Valbonne, France; (Á.J.F.M.); (A.H.); (V.M.); (K.L.); (A.A.); (S.C.)
| | - Judith Favier
- Université de Paris, PARCC, INSERM, Equipe Labellisée par la Ligue Contre le Cancer, CEDEX 15, 75737 Paris, France; (A.M.); (J.F.)
| | - Claude Pasquier
- Université Côte d’Azur, CNRS-UMR7271, Laboratoire d’Informatique, Signaux et Systèmes de Sophia Antipolis (I3S), 06560 Valbonne, France;
| | - Isabelle Mus-Veteau
- Université Côte d’Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), 06560 Valbonne, France; (Á.J.F.M.); (A.H.); (V.M.); (K.L.); (A.A.); (S.C.)
- Correspondence:
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6
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Murakami T, Matsuura R, Chutiwitoonchai N, Takei M, Aida Y. Huntingtin-Interacting Protein 1 Promotes Vpr-Induced G2 Arrest and HIV-1 Infection in Macrophages. Viruses 2021; 13:v13112308. [PMID: 34835114 PMCID: PMC8624357 DOI: 10.3390/v13112308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/02/2021] [Accepted: 11/17/2021] [Indexed: 02/02/2023] Open
Abstract
Human immunodeficiency virus type 1 (HIV-1) modulates the host cell cycle. The HIV-1 accessory protein Vpr arrests the cell cycle at the G2 phase in dividing cells, and the ability of Vpr to induce G2 arrest is well conserved among primate lentiviruses. Additionally, Vpr-mediated G2 arrest likely correlates with enhanced HIV-1 infection in monocyte-derived macrophages. Here, we screened small-interfering RNA to reveal candidates that suppress Vpr-induced G2 arrest and identified Huntingtin-interacting protein 1 (HIP1) required for efficient G2 arrest. Interestingly, HIP1 was not essential for Vpr-induced DNA double-strand breaks, which are required for activation of the DNA-damage checkpoint and G2 arrest. Furthermore, HIP1 knockdown suppressed HIV-1 infection in monocyte-derived macrophages. This study identifies HIP1 as a factor promoting Vpr-induced G2 arrest and HIV-1 infection in macrophages.
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Affiliation(s)
- Tomoyuki Murakami
- Viral Infectious Diseases Unit, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; (T.M.); (R.M.); (N.C.)
| | - Ryosuke Matsuura
- Viral Infectious Diseases Unit, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; (T.M.); (R.M.); (N.C.)
- Laboratory of Global Infectious Diseases Control Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Nopporn Chutiwitoonchai
- Viral Infectious Diseases Unit, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; (T.M.); (R.M.); (N.C.)
| | - Masami Takei
- Division of Hematology and Rheumatology, Department of Medicine, Nihon University School of Medicine, 30-1 Oyaguchi, Kami-cho, Itabashi, Tokyo 173-8610, Japan;
| | - Yoko Aida
- Viral Infectious Diseases Unit, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; (T.M.); (R.M.); (N.C.)
- Laboratory of Global Infectious Diseases Control Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
- Correspondence:
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7
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Ding MH, Lozoya EG, Rico RN, Chew SA. The Role of Angiogenesis-Inducing microRNAs in Vascular Tissue Engineering. Tissue Eng Part A 2020; 26:1283-1302. [PMID: 32762306 DOI: 10.1089/ten.tea.2020.0170] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Angiogenesis is an important process in tissue repair and regeneration as blood vessels are integral to supply nutrients to a functioning tissue. In this review, the application of microRNAs (miRNAs) or anti-miRNAs that can induce angiogenesis to aid in blood vessel formation for vascular tissue engineering in ischemic diseases such as peripheral arterial disease and stroke, cardiac diseases, and skin and bone tissue engineering is discussed. Endothelial cells (ECs) form the endothelium of the blood vessel and are recognized as the primary cell type that drives angiogenesis and studied in the applications that were reviewed. Besides ECs, mesenchymal stem cells can also play a pivotal role in these applications, specifically, by secreting growth factors or cytokines for paracrine signaling and/or as constituent cells in the new blood vessel formed. In addition to delivering miRNAs or cells transfected/transduced with miRNAs for angiogenesis and vascular tissue engineering, the utilization of extracellular vesicles (EVs), such as exosomes, microvesicles, and EVs collectively, has been more recently explored. Proangiogenic miRNAs and anti-miRNAs contribute to angiogenesis by targeting the 3'-untranslated region of targets to upregulate proangiogenic factors such as vascular endothelial growth factor (VEGF), basic fibroblast growth factor, and hypoxia-inducible factor-1 and increase the transduction of VEGF signaling through the PI3K/AKT and Ras/Raf/MEK/ERK signaling pathways such as phosphatase and tensin homolog or regulating the signaling of other pathways important for angiogenesis such as the Notch signaling pathway and the pathway to produce nitric oxide. In conclusion, angiogenesis-inducing miRNAs and anti-miRNAs are promising tools for vascular tissue engineering for several applications; however, future work should emphasize optimizing the delivery and usage of these therapies as miRNAs can also be associated with the negative implications of cancer.
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Affiliation(s)
- May-Hui Ding
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, Brownsville, Texas, USA
| | - Eloy G Lozoya
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, Brownsville, Texas, USA
| | - Rene N Rico
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, Brownsville, Texas, USA
| | - Sue Anne Chew
- Department of Health and Biomedical Sciences, University of Texas Rio Grande Valley, Brownsville, Texas, USA
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8
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Trifonova EA, Popovich AA, Bocharova AV, Vagaitseva KV, Stepanov VA. The Role of Natural Selection in the Formation of the Genetic Structure of Populations by SNP Markers in Association with Body Mass Index and Obesity. Mol Biol 2020. [DOI: 10.1134/s0026893320030176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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miR-1272 Exerts Tumor-Suppressive Functions in Prostate Cancer via HIP1 Suppression. Cells 2020; 9:cells9020435. [PMID: 32069895 PMCID: PMC7072756 DOI: 10.3390/cells9020435] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/24/2020] [Accepted: 02/11/2020] [Indexed: 12/28/2022] Open
Abstract
The development of novel therapies or the improvement of currently used approaches to treat prostate cancer (PCa), the most frequently diagnosed male tumor in developed countries, is an urgent need. In this regard, the functional characterization of microRNAs, molecules shown to regulate a number of cancer-related pathways, is instrumental to their possible clinical exploitation. Here, we demonstrate the tumor-suppressive role of the so far uncharacterized miR-1272, which we found to be significantly down-modulated in PCa clinical specimens compared to normal tissues. Through a gain-of-function approach using miRNA mimics, we showed that miR-1272 supplementation in two PCa cell models (DU145 and 22Rv1) reverted the mesenchymal phenotype by affecting migratory and invasive properties, and reduced cell growth in vitro and in vivo in SCID mice. Additionally, by targeting HIP1 encoding the endocytic protein HIP1, miR-1272 balanced EGFR membrane turnover, thus affecting the downstream AKT/ERK pathways, and, ultimately, increasing PCa cell response to ionizing radiation. Overall, our results show that miR-1272 reconstitution can affect several tumor traits, thus suggesting this approach as a potential novel therapeutic strategy to be pursued for PCa, with the multiple aim of reducing tumor growth, enhancing response to radiotherapy and limiting metastatic dissemination.
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10
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Association of single nucleotide polymorphism in NLRC3, NLRC5, HIP1, and LRP8 genes with fecal egg counts in goats naturally infected with Haemonchus contortus. Trop Anim Health Prod 2019; 52:1583-1598. [PMID: 31828571 DOI: 10.1007/s11250-019-02154-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 11/18/2019] [Indexed: 10/25/2022]
Abstract
Haemonchus contortus is a common, intractably pathogenic and economically important gastrointestinal nematode for goat producers worldwide, especially in tropical and subtropical regions. The objective of this study is to identify single nucleotide polymorphisms (SNPs) of 12 candidate goat genes mainly related to the innate immune response associated with fecal egg counts (FECs) of Haemonchus contortus in goat as an indicator of the level of parasite infection. Phenotypic data including FEC and blood traits were recorded in 189 native goats from China and 191 ones from Bangladesh, respectively. Bangladeshi goats had significantly (P < 0.01) lower FEC compared to that of Chinese goats, suggesting higher susceptible and infection rates in Chinese goat populations. FEC was significantly positive correlated with body weight (r = 0.64, P < 0.01) and hemoglobin (r = 0.49, P < 0.01) value, but negative with pack cell volume (r = - 0.63, P < 0.05) in goats. Genotyping of SNPs was performed using a matrix-assisted laser desorption ionization time of flight mass spectrometry assay and a generalized linear model was used to evaluate the association between each SNP and goat FEC trait. Eleven novel SNPs in the NLRC3, NLRC5, HIP1, and LRP8, out of 46 variants from these 12 genes, were significantly associated with FEC of goats with a nominal significance level of P < 0.05. Of these 11 SNPs, linkage disequilibrium were revealed among SNPs in LRP8 (r2 = 0.87 to 1), between SNPs in NLRC3, NLRC5, and HIP1 (r2 = 0.96 to 0.99), respectively. Further, haplotypes within NLRC3, NLRC5, and HIP1 were significantly associated (P < 0.001) with FEC. In artificial challenge trail, quantitative real-time PCR exposed that the relative expression of mRNA was higher in the resistant group for NLRC3 (P < 0.01), LRP8 and HIP1 (P < 0.001) but lower in the resistant group for NLRC5 (P < 0.0001), compared to the susceptible group. The possible SNP markers and genes identified in this study could be potentially used in marker-assisted selection for breeding local goats breeds resistant to gastrointestinal nematode parasite particularly for Haemonchus contortus, and then for improving health and productivity of goat.
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11
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Aldahl J, Mi J, Pineda A, Kim WK, Olson A, Hooker E, He Y, Yu EJ, Le V, Lee DH, Geradts J, Sun Z. Aberrant activation of hepatocyte growth factor/MET signaling promotes β-catenin-mediated prostatic tumorigenesis. J Biol Chem 2019; 295:631-644. [PMID: 31819003 DOI: 10.1074/jbc.ra119.011137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 12/04/2019] [Indexed: 12/16/2022] Open
Abstract
Co-occurrence of aberrant hepatocyte growth factor (HGF)/MET proto-oncogene receptor tyrosine kinase (MET) and Wnt/β-catenin signaling pathways has been observed in advanced and metastatic prostate cancers. This co-occurrence positively correlates with prostate cancer progression and castration-resistant prostate cancer development. However, the biological consequences of these abnormalities in these disease processes remain largely unknown. Here, we investigated the aberrant activation of HGF/MET and Wnt/β-catenin cascades in prostate tumorigenesis by using a newly generated mouse model in which both murine Met transgene and stabilized β-catenin are conditionally co-expressed in prostatic epithelial cells. These compound mice displayed accelerated prostate tumor formation and invasion compared with their littermates that expressed only stabilized β-catenin. RNA-Seq and quantitative RT-PCR analyses revealed increased expression of genes associated with tumor cell proliferation, progression, and metastasis. Moreover, Wnt signaling pathways were robustly enriched in prostate tumor samples from the compound mice. ChIP-qPCR experiments revealed increased β-catenin recruitment within the regulatory regions of the Myc gene in tumor cells of the compound mice. Interestingly, the occupancy of MET on the Myc promoter also appeared in the compound mouse tumor samples, implicating a novel role of MET in β-catenin-mediated transcription. Results from implanting prostate graft tissues derived from the compound mice and controls into HGF-transgenic mice further uncovered that HGF induces prostatic oncogenic transformation and cell growth. These results indicate a role of HGF/MET in β-catenin-mediated prostate cancer cell growth and progression and implicate a molecular mechanism whereby nuclear MET promotes aberrant Wnt/β-catenin signaling-mediated prostate tumorigenesis.
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Affiliation(s)
- Joseph Aldahl
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Jiaqi Mi
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Ariana Pineda
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Won Kyung Kim
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Adam Olson
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Erika Hooker
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Yongfeng He
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Eun-Jeong Yu
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Vien Le
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Dong-Hoon Lee
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Joseph Geradts
- Department of Population Sciences, Beckman Research Institute, City of Hope, Duarte, California 91010-3000
| | - Zijie Sun
- Department of Cancer Biology, Beckman Research Institute, City of Hope, Duarte, California 91010-3000.
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12
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Endocytic Adaptor Proteins in Health and Disease: Lessons from Model Organisms and Human Mutations. Cells 2019; 8:cells8111345. [PMID: 31671891 PMCID: PMC6912373 DOI: 10.3390/cells8111345] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 10/24/2019] [Accepted: 10/25/2019] [Indexed: 12/11/2022] Open
Abstract
Cells need to exchange material and information with their environment. This is largely achieved via cell-surface receptors which mediate processes ranging from nutrient uptake to signaling responses. Consequently, their surface levels have to be dynamically controlled. Endocytosis constitutes a powerful mechanism to regulate the surface proteome and to recycle vesicular transmembrane proteins that strand at the plasma membrane after exocytosis. For efficient internalization, the cargo proteins need to be linked to the endocytic machinery via adaptor proteins such as the heterotetrameric endocytic adaptor complex AP-2 and a variety of mostly monomeric endocytic adaptors. In line with the importance of endocytosis for nutrient uptake, cell signaling and neurotransmission, animal models and human mutations have revealed that defects in these adaptors are associated with several diseases ranging from metabolic disorders to encephalopathies. This review will discuss the physiological functions of the so far known adaptor proteins and will provide a comprehensive overview of their links to human diseases.
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13
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Abstract
Huntingtin (HTT) is a scaffold protein mostly known because it gives rise to the severe and incurable inherited neurological disorder Huntington’s disease (HD) when mutated. The Huntingtin gene (HTT) carries a polymorphic trinucleotide expansion of CAGs in exon 1 that ranges from 9 to 35 in the non-HD affected population. However, if it exceeds 35 CAG repeats, the altered protein is referred to as mutant HTT and leads to the development of HD. Given the wide spectrum of severe symptoms developed by HD individuals, wild-type and mutant HTT have been mostly studied in the context of this disorder. However, HTT expression is ubiquitous and several peripheral symptoms in HD have been described, suggesting that HTT is of importance, not only in the central nervous system (CNS), but also in peripheral organs. Accordingly, HTT and mutant HTT may interfere with non-brain-related diseases. Correlative studies have highlighted a decreased cancer incidence in the HD population and both wild-type and mutant HTT have been implicated in tumor progression. In this review, we describe the current evidence linking wild-type and mutant HTT to cancer and discuss how CAG polymorphism, HTT function, and partners may influence carcinogenesis and metastatic progression.
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Affiliation(s)
- Morgane Sonia Thion
- Institut de Biologie de l'Ecole Normale Supérieure (IBENS), Ecole Normale Supérieure, CNRS, INSERM, PSL Research University, Paris Cedex 05, France
| | - Sandrine Humbert
- Grenoble Institut des Neurosciences, GIN, Univ. Grenoble Alpes, Grenoble, France.,INSERM, U1216, Grenoble, France
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14
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Icli B, Wu W, Ozdemir D, Li H, Haemmig S, Liu X, Giatsidis G, Cheng HS, Avci SN, Kurt M, Lee N, Guimaraes RB, Manica A, Marchini JF, Rynning SE, Risnes I, Hollan I, Croce K, Orgill DP, Feinberg MW. MicroRNA-135a-3p regulates angiogenesis and tissue repair by targeting p38 signaling in endothelial cells. FASEB J 2019; 33:5599-5614. [PMID: 30668922 PMCID: PMC6436660 DOI: 10.1096/fj.201802063rr] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 01/02/2019] [Indexed: 12/26/2022]
Abstract
Angiogenesis is a critical process in repair of tissue injury that is regulated by a delicate balance between pro- and antiangiogenic factors. In disease states associated with impaired angiogenesis, we identified that miR-135a-3p is rapidly induced and serves as an antiangiogenic microRNA (miRNA) by targeting endothelial cell (EC) p38 signaling in vitro and in vivo. MiR-135a-3p overexpression significantly inhibited EC proliferation, migration, and network tube formation in matrigel, whereas miR-135-3p neutralization had the opposite effects. Mechanistic studies using transcriptomic profiling, bioinformatics, 3'-UTR reporter and miRNA ribonucleoprotein complex -immunoprecipitation assays, and small interfering RNA dependency studies revealed that miR-135a-3p inhibits the p38 signaling pathway in ECs by targeting huntingtin-interacting protein 1 (HIP1). Local delivery of miR-135a-3p inhibitors to wounds of diabetic db/db mice markedly increased angiogenesis, granulation tissue thickness, and wound closure rates, whereas local delivery of miR-135a-3p mimics impaired these effects. Finally, through gain- and loss-of-function studies in human skin organoids as a model of tissue injury, we demonstrated that miR-135a-3p potently modulated p38 signaling and angiogenesis in response to VEGF stimulation by targeting HIP1. These findings establish miR-135a-3p as a pivotal regulator of pathophysiological angiogenesis and tissue repair by targeting a VEGF-HIP1-p38K signaling axis, providing new targets for angiogenic therapy to promote tissue repair.-Icli, B., Wu, W., Ozdemir, D., Li, H., Haemmig, S., Liu, X., Giatsidis, G., Cheng, H. S., Avci, S. N., Kurt, M., Lee, N., Guimaraes, R. B., Manica, A., Marchini, J. F., Rynning, S. E., Risnes, I., Hollan, I., Croce, K., Orgill, D. P., Feinberg, M. W. MicroRNA-135a-3p regulates angiogenesis and tissue repair by targeting p38 signaling in endothelial cells.
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Affiliation(s)
- Basak Icli
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Winona Wu
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Denizhan Ozdemir
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Medical Biology, Hacettepe University, Ankara, Turkey
| | - Hao Li
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Stefan Haemmig
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Xin Liu
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Giorgio Giatsidis
- Division of Plastic Surgery, Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Henry S. Cheng
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Seyma Nazli Avci
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Merve Kurt
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Nathan Lee
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Raphael Boesche Guimaraes
- Instituto de Cardiologia do Rio Grande do Sul, Fundação Universitária de Cardiologia (ICFUC), Porto Alegre, Rio Grande do Sul, Brazil
| | - Andre Manica
- Instituto de Cardiologia do Rio Grande do Sul, Fundação Universitária de Cardiologia (ICFUC), Porto Alegre, Rio Grande do Sul, Brazil
| | - Julio F. Marchini
- Heart Institute, University of São Paulo Medical School, São Paulo, Brazil
| | - Stein Erik Rynning
- Department of Cardiac Surgery, LHL Hospital Gardermoen, Jessheim, Norway
| | - Ivar Risnes
- Department of Cardiac Surgery, LHL Hospital Gardermoen, Jessheim, Norway
| | - Ivana Hollan
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Rheumatology Department, Lillehamer Hospital for Rheumatic Diseases, Lillehamer, Norway
- Research Department, Innlandet Hospital Trust, Brumunddal, Norway
| | - Kevin Croce
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Dennis P. Orgill
- Division of Plastic Surgery, Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Mark W. Feinberg
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
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15
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Deficiency of the Endocytic Protein Hip1 Leads to Decreased Gdpd3 Expression, Low Phosphocholine, and Kypholordosis. Mol Cell Biol 2018; 38:MCB.00385-18. [PMID: 30224518 DOI: 10.1128/mcb.00385-18] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 09/12/2018] [Indexed: 11/20/2022] Open
Abstract
Deficiency of huntingtin-interacting protein 1 (Hip1) results in degenerative phenotypes. Here we generated a Hip1 deficiency allele where a floxed transcriptional stop cassette and a human HIP1 cDNA were knocked into intron 1 of the mouse Hip1 locus. CMV-Cre-mediated germ line excision of the stop cassette resulted in expression of HIP1 and rescue of the Hip1 knockout phenotype. Mx1-Cre-mediated excision led to HIP1 expression in spleen, kidney and liver, and also rescued the phenotype. In contrast, hGFAP-Cre-mediated, brain-specific HIP1 expression did not rescue the phenotype. Metabolomics and microarrays of several Hip1 knockout tissues identified low phosphocholine (PC) levels and low glycerophosphodiester phosphodiesterase domain containing 3 (Gdpd3) gene expression. Since Gdpd3 has lysophospholipase D activity that results in the formation of choline, a precursor of PC, Gdpd3 downregulation could lead to the low PC levels. To test whether Gdpd3 contributes to the Hip1 deficiency phenotype, we generated Gdpd3 knockout mice. Double knockout of Gdpd3 and Hip1 worsened the Hip1 phenotype. This suggests that Gdpd3 compensates for Hip1 loss. More-detailed knowledge of how Hip1 deficiency leads to low PC will improve our understanding of HIP1 in choline metabolism in normal and disease states.
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16
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Mi J, Hooker E, Balog S, Zeng H, Johnson DT, He Y, Yu EJ, Wu H, Le V, Lee DH, Aldahl J, Gonzalgo ML, Sun Z. Activation of hepatocyte growth factor/MET signaling initiates oncogenic transformation and enhances tumor aggressiveness in the murine prostate. J Biol Chem 2018; 293:20123-20136. [PMID: 30401749 DOI: 10.1074/jbc.ra118.005395] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 11/04/2018] [Indexed: 12/11/2022] Open
Abstract
Emerging evidence has shown that the hepatocyte growth factor (HGF) and its receptor, MET proto-oncogene, receptor tyrosine kinase (MET), promote cell proliferation, motility, morphogenesis, and angiogenesis. Whereas up-regulation of MET expression has been observed in aggressive and metastatic prostate cancer, a clear understanding of MET function in prostate tumorigenesis remains elusive. Here, we developed a conditional Met transgenic mouse strain, H11 Met/+ :PB-Cre4, to mimic human prostate cancer cells with increased MET expression in the prostatic luminal epithelium. We found that these mice develop prostatic intraepithelial neoplasia after HGF administration. To further assess the biological role of MET in prostate cancer progression, we bred H11 Met/+ /PtenLoxP/LoxP:PBCre4 compound mice, in which transgenic Met expression and deletion of the tumor suppressor gene Pten occurred simultaneously only in prostatic epithelial cells. These compound mice exhibited accelerated prostate tumor formation and invasion as well as increased metastasis compared with PtenLoxP/LoxP:PB-Cre4 mice. Moreover, prostatic sarcomatoid carcinomas and lesions resembling the epithelial-to-mesenchymal transition developed in tumor lesions of the compound mice. RNA-Seq and qRT-PCR analyses revealed a robust enrichment of known tumor progression and metastasis-promoting genes in samples isolated from H11 Met/+ /PtenLoxP/LoxP:PB-Cre4 compound mice compared with those from PtenLoxP/LoxP:PB-Cre4 littermate controls. HGF-induced cell proliferation and migration also increased in mouse embryonic fibroblasts (MEFs) from animals with both Met transgene expression and Pten deletion compared with Pten-null MEFs. The results from these newly developed mouse models indicate a role for MET in hastening tumorigenesis and metastasis when combined with the loss of tumor suppressors.
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Affiliation(s)
- Jiaqi Mi
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010
| | - Erika Hooker
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010; the Department of Urology and Stanford University School of Medicine, Stanford, California 94305
| | - Steven Balog
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010
| | - Hong Zeng
- the Transgenic, Knockout and Tumor Model Center, Stanford University School of Medicine, Stanford, California 94305, and
| | - Daniel T Johnson
- the Department of Urology and Stanford University School of Medicine, Stanford, California 94305
| | - Yongfeng He
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010; the Department of Urology and Stanford University School of Medicine, Stanford, California 94305
| | - Eun-Jeong Yu
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010; the Department of Urology and Stanford University School of Medicine, Stanford, California 94305
| | - Huiqing Wu
- Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010
| | - Vien Le
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010
| | - Dong-Hoon Lee
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010
| | - Joseph Aldahl
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010
| | - Mark L Gonzalgo
- the Department of Urology, Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, Florida 33136
| | - Zijie Sun
- From the Departments of Cancer Biology and Pathology, Beckman Research Institute, City of Hope, Duarte, California 91010; the Department of Urology and Stanford University School of Medicine, Stanford, California 94305.
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17
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Sugai T, Eizuka M, Habano W, Fujita Y, Sato A, Sugimoto R, Otsuka K, Yamamoto E, Matsumoto T, Suzuki H. Comprehensive molecular analysis based on somatic copy number alterations in intramucosal colorectal neoplasias and early invasive colorectal cancers. Oncotarget 2018; 9:22895-22906. [PMID: 29796160 PMCID: PMC5955401 DOI: 10.18632/oncotarget.25112] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 03/15/2018] [Indexed: 12/16/2022] Open
Abstract
It is unclear whether somatic copy number alterations (SCNAs) contribute to the development of colorectal cancer (CRC). Here, we aimed to identify the molecular profiles of early colorectal carcinogenesis based on SCNAs and determine the associations of other molecular abnormalities for the detection of neoplasia in both intramucosal neoplasia (IMN) and invasive CRC with invasion into the muscular layer without metastasis (early invasive CRC). A single nucleotide polymorphism array was used to examine 100 colorectal IMNs (low-grade adenoma [LGA], 40; high-grade adenoma [HGA], 25; intramucosal adenocarcinoma [IMA], 35) and early invasive CRC (20 tumors). In addition, genetic mutations (KRAS, BRAF), TP53 overexpression, microsatellite instability (MSI), and DNA methylation (low, intermediate, high) were examined. Hierarchical clustering analysis based on the SCNA pattern was carried out to identify molecular profiles in IMNs and early invasive CRC. Colorectal tumors were classified into three subgroups based on SCNA patterns. Subgroup 1 was characterized by multiple SCNAs, subgroup 3 was closely associated with infrequent SCNAs, and subgroup 2 was an intermediate subgroup in SCNA pattern between subgroups 1 and 3. Although mutations in KRAS were commonly found in all three subgroups, overexpression of TP53 was observed primarily in subgroup 1 and 2. DNA methylation showed a low/intermediate type. Finally, no MSI was detected. Each subgroup was correlated with histology (subgroup 1, early invasive CRC; subgroup 2, LGA; subgroups 2 and 3, HGA and IMA). Considerable SCNAs may be required for acquisition of invasive ability in CRC. Our results provide novel insights into early CRC.
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Affiliation(s)
- Tamotsu Sugai
- Department of Molecular Diagnostic Pathology, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Makoto Eizuka
- Department of Molecular Diagnostic Pathology, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Wataru Habano
- Department of Pharmacodynamics and Molecular Genetics, School of Pharmacy, Iwate Medical University, Morioka, Japan
| | - Yasuko Fujita
- Department of Molecular Diagnostic Pathology, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Ayaka Sato
- Department of Molecular Diagnostic Pathology, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Ryo Sugimoto
- Department of Molecular Diagnostic Pathology, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Kouki Otsuka
- Department of Surgery, Iwate Medical University, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Eiichiro Yamamoto
- Department of Molecular Biology, Sapporo Medical University, School of Medicine, Cyuuouku, Sapporo, Japan
| | - Takayuki Matsumoto
- Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Hiromu Suzuki
- Department of Molecular Biology, Sapporo Medical University, School of Medicine, Cyuuouku, Sapporo, Japan
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18
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Zhang L, Zhang Y, Wong SH, Law PTY, Zhao S, Yu J, Chan MTV, Wu WKK. Common Deregulation of Seven Biological Processes by MicroRNAs in Gastrointestinal Cancers. Sci Rep 2018; 8:3287. [PMID: 29459716 PMCID: PMC5818544 DOI: 10.1038/s41598-018-21573-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 02/07/2018] [Indexed: 12/19/2022] Open
Abstract
MicroRNAs are frequently dysregulated in human neoplasms, including gastrointestinal cancers. Nevertheless, the global influence of microRNA dysregulation on cellular signaling is still unknown. Here we sought to elucidate cellular signaling dysregulation by microRNAs in gastrointestinal cancers at the systems biology level followed by experimental validation. Signature dysregulated microRNAs in gastric, colorectal and liver cancers were defined based on our previous studies. Targets of signature dysregulated miRNAs were predicted using multiple computer algorithms followed by gene enrichment analysis to identify biological processes perturbed by dysregulated microRNAs. Effects of microRNAs on endocytosis were measured by epidermal growth factor (EGF) internalization assay. Our analysis revealed that, aside from well-established cancer-related signaling pathways, several novel pathways, including axon guidance, neurotrophin/nerve growth factor signaling, and endocytosis, were found to be involved in the pathogenesis of gastrointestinal cancers. The regulation of EGF receptor (EGFR) endocytosis by two predicted miRNAs, namely miR-17 and miR-145, was confirmed experimentally. Functionally, miR-145, which blocked EGFR endocytosis, prolonged EGFR membrane signaling and altered responsiveness of colon cancer cells to EGFR-targeting drugs. In conclusion, our analysis depicts a comprehensive picture of cellular signaling dysregulation, including endocytosis, by microRNAs in gastrointestinal cancers.
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Affiliation(s)
- Lin Zhang
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China
| | - Yuchen Zhang
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China
| | - Sunny H Wong
- Institute of Digestive Diseases and State Key Laboratory of Digestive Diseases, LKS Institute of Health Sciences and Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China
| | - Priscilla T Y Law
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, China
| | - Shan Zhao
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Diseases and State Key Laboratory of Digestive Diseases, LKS Institute of Health Sciences and Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China
| | - Jun Yu
- Institute of Digestive Diseases and State Key Laboratory of Digestive Diseases, LKS Institute of Health Sciences and Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China
| | - Matthew T V Chan
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China.
| | - William K K Wu
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China. .,Institute of Digestive Diseases and State Key Laboratory of Digestive Diseases, LKS Institute of Health Sciences and Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China.
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19
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Lv WQ, Zhang X, Zhang Q, He JY, Liu HM, Xia X, Fan K, Zhao Q, Shi XZ, Zhang WD, Sun CQ, Deng HW. Novel common variants associated with body mass index and coronary artery disease detected using a pleiotropic cFDR method. J Mol Cell Cardiol 2017; 112:1-7. [PMID: 28843344 PMCID: PMC5812278 DOI: 10.1016/j.yjmcc.2017.08.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/18/2017] [Accepted: 08/22/2017] [Indexed: 12/20/2022]
Abstract
Genome-wide association studies (GWAS) have been successfully applied in identifying single nucleotide polymorphisms (SNPs) associated with body mass index (BMI) and coronary heart disease (CAD). However, the SNPs to date can only explain a small percentage of the genetic variances of traits. Here, we applied a genetic pleiotropic conditional false discovery rate (cFDR) method that combines summary statistic p values from different multi-center GWAS datasets, to detect common genetic variants associated with these two traits. The enrichment of SNPs associated with BMI and CAD was assessed by conditional Q-Q plots and the common variants were identified by the cFDR method. By applying the cFDR level of 0.05, 7 variants were identified to be associated with CAD (2 variants being novel), 34 variants associated with BMI (11 variants being novel), and 3 variants associated with both BMI and CAD (2 variants being novel). The SNP rs653178 (ATXN2) is noteworthy as this variant was replicated in an independent analysis. SNP rs12411886 (CNNM2) and rs794356 (HIP1) were of note as the annotated genes may be associated with processes that are functionally important in lipid metabolism. In conclusion, the cFDR method identified novel variants associated with BMI and/or CAD by effectively incorporating different GWAS datasets.
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Affiliation(s)
- Wan-Qiang Lv
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Xue Zhang
- Department of Geriatrics, Renmin Hospital of Wuhan University, Hubei Zhang Road (Formerly Ziyang Road), Wuchang District No. 99 Jiefang Road 238, Wuhan 430060, People's Republic of China
| | - Qiang Zhang
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Jing-Yang He
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Hui-Min Liu
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Xin Xia
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Kun Fan
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Qi Zhao
- Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70112, USA; Center for Genomics and Bioinformatics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Xue-Zhong Shi
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Wei-Dong Zhang
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Chang-Qing Sun
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China
| | - Hong-Wen Deng
- College of Public Health, Zhengzhou University, No.100 Kexue Road, High-Tech Development Zone of States, Zhengzhou, People's Republic of China; Center for Genomics and Bioinformatics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70112, USA.
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Hsu CY, Lin CH, Jan YH, Su CY, Yao YC, Cheng HC, Hsu TI, Wang PS, Su WP, Yang CJ, Huang MS, Calkins MJ, Hsiao M, Lu PJ. Huntingtin-Interacting Protein-1 Is an Early-Stage Prognostic Biomarker of Lung Adenocarcinoma and Suppresses Metastasis via Akt-mediated Epithelial-Mesenchymal Transition. Am J Respir Crit Care Med 2016; 193:869-80. [PMID: 26595459 DOI: 10.1164/rccm.201412-2226oc] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
RATIONALE Non-small cell lung cancer (NSCLC) carries a poor survival rate mainly because of metastasis. However, the molecular mechanisms that govern NSCLC metastasis have not been described. Because huntingtin-interacting protein-1 (HIP1) is known to play a role in tumorigenesis, we tested the involvement of HIP1 in NSCLC progression and metastasis. OBJECTIVES HIP1 expression was measured in human NSCLC tumors, and correlation with survival outcome was evaluated. Furthermore, we investigated the ability of HIP1 to suppress metastasis. The molecular mechanism by which HIP1 contributes to suppress metastasis was investigated. METHODS We used tissue arrays containing samples from 121 patients with NSCLC to analyze HIP1 expression by immunohistochemistry. To investigate the role of HIP1 expression on metastasis, we evaluated cellular mobility, migration, and invasion using lung adenocarcinoma (AdCA) cells with modified HIP1 expression levels. The human disease mouse models with the same cells were applied to evaluate the HIP1 suppressing metastasis and its mechanism in vivo. MEASUREMENTS AND MAIN RESULTS HIP1 expression in AdCA progression was found to be an early-stage prognostic biomarker, with low expression correlated to poor prognosis. We also found HIP1 to be a metastatic suppressor in AdCA. HIP1 significantly repressed the mobility of lung cancer cells in vitro and in vivo and regulated the epithelial-mesenchymal transition by repressing AKT/glycogen synthase kinase-3β/β-catenin signaling. CONCLUSIONS HIP1 serves as an early-stage prognostic biomarker and a metastatic suppressor. Reduced expression during AdCA progression can relieve HIP1 suppression of Akt-mediated epithelial-mesenchymal transition and thereby lead to development of late metastases and poor prognosis.
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Affiliation(s)
- Che-Yu Hsu
- 1 Institute of Basic Medical Sciences, College of Medicine
| | - Cheng-Han Lin
- 2 Institute of Clinical Medicine, College of Medicine, and.,3 Genomics Research Center, Academia Sinica, Taipei, Taiwan; and
| | - Yi-Hua Jan
- 3 Genomics Research Center, Academia Sinica, Taipei, Taiwan; and
| | - Chia-Yi Su
- 3 Genomics Research Center, Academia Sinica, Taipei, Taiwan; and
| | - Yun-Chin Yao
- 4 Clinical Medicine Research Center, National Cheng Kung University, Tainan, Taiwan
| | | | - Tai-I Hsu
- 1 Institute of Basic Medical Sciences, College of Medicine
| | - Po-Shun Wang
- 2 Institute of Clinical Medicine, College of Medicine, and
| | - Wen-Pin Su
- 2 Institute of Clinical Medicine, College of Medicine, and
| | - Chih-Jen Yang
- 5 Department of Internal Medicine, Kaohsiung Medical University Hospital and School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Shyan Huang
- 5 Department of Internal Medicine, Kaohsiung Medical University Hospital and School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | | | - Michael Hsiao
- 3 Genomics Research Center, Academia Sinica, Taipei, Taiwan; and
| | - Pei-Jung Lu
- 1 Institute of Basic Medical Sciences, College of Medicine.,2 Institute of Clinical Medicine, College of Medicine, and
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Nguyen DN, Jiang P, Stensballe A, Bendixen E, Sangild PT, Chatterton DEW. Bovine lactoferrin regulates cell survival, apoptosis and inflammation in intestinal epithelial cells and preterm pig intestine. J Proteomics 2016; 139:95-102. [PMID: 26996464 DOI: 10.1016/j.jprot.2016.03.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 02/14/2016] [Accepted: 03/11/2016] [Indexed: 01/08/2023]
Abstract
UNLABELLED Bovine lactoferrin (bLF) may modulate neonatal intestinal inflammation. Previous studies in intestinal epithelial cells (IECs) indicated that moderate bLF doses enhance proliferation whereas high doses trigger inflammation. To further elucidate cellular mechanisms, we profiled the porcine IEC proteome after stimulation with bLF at 0, 0.1, 1 and 10g/L by LC-MS-based proteomics. Key pathways were analyzed in the intestine of formula-fed preterm pigs with and without supplementation of 10g/L bLF. Levels of 123 IEC proteins were altered by bLF. Low bLF doses (0.1-1g/L) up-regulated 11 proteins associated with glycolysis, energy metabolism and protein synthesis, indicating support of cell survival. In contrast, a high bLF dose (10g/L) up-regulated three apoptosis-inducing proteins, down-regulated five anti-apoptotic and proliferation-inducing proteins and 15 proteins related to energy and amino acid metabolism, and altered three proteins enhancing the hypoxia inducible factor-1 (HIF-1) pathway. In the preterm pig intestine, bLF at 10g/L decreased villus height/crypt depth ratio and up-regulated the Bax/Bcl-2 ratio and HIF-1α, indicating elevated intestinal apoptosis and inflammation. In conclusion, bLF dose-dependently affects IECs via metabolic, apoptotic and inflammatory pathways. It is important to select an appropriate dose when feeding neonates with bLF to avoid detrimental effects exerted by excessive doses. BIOLOGICAL SIGNIFICANCE The present work elucidates dose-dependent effects of bLF on the proteomic changes of IECs in vitro supplemented with data from a preterm pig study confirming detrimental effects of enteral feeding with the highest dose of bLF (10g/L). The study contributes to further understanding on mechanisms that bLF, as an important milk protein, can regulate the homeostasis of the immature intestine. Results from this study urge neonatologists to carefully consider the dose of bLF to supplement into infant formula used for preterm neonates.
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Affiliation(s)
- Duc Ninh Nguyen
- Comparative Pediatrics and Nutrition, Department of Veterinary Clinical and Animal Sciences, University of Copenhagen, DK-1958, Denmark; Department of Food Science, University of Copenhagen, DK-1958, Denmark
| | - Pingping Jiang
- Comparative Pediatrics and Nutrition, Department of Veterinary Clinical and Animal Sciences, University of Copenhagen, DK-1958, Denmark
| | - Allan Stensballe
- Department of Health Science and Technology, Aalborg University, DK-9220, Denmark
| | - Emøke Bendixen
- Department of Molecular Biology and Genetics, Aarhus University, DK-8000, Denmark
| | - Per T Sangild
- Comparative Pediatrics and Nutrition, Department of Veterinary Clinical and Animal Sciences, University of Copenhagen, DK-1958, Denmark
| | - Dereck E W Chatterton
- Comparative Pediatrics and Nutrition, Department of Veterinary Clinical and Animal Sciences, University of Copenhagen, DK-1958, Denmark; Department of Food Science, University of Copenhagen, DK-1958, Denmark.
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Weighted gene co-expression network analysis of pneumocytes under exposure to a carcinogenic dose of chloroprene. Life Sci 2016; 151:339-347. [PMID: 26916823 DOI: 10.1016/j.lfs.2016.02.074] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 02/16/2016] [Accepted: 02/20/2016] [Indexed: 02/06/2023]
Abstract
AIMS Occupational exposure to chloroprene via inhalation may lead to acute toxicity and chronic pulmonary diseases, including lung cancer. Currently, most research is focused on epidemiological studies of chloroprene production workers. The specific molecular mechanism of carcinogenesis by chloroprene in lung tissues still remains obscure, and specific candidate therapeutic targets for lung cancer are lacking. The present study identifies specific gene modules and valuable hubs associated with lung cancer. MAIN METHODS We downloaded the dataset GSE40795 from the Gene Expression Omnibus (GEO) and divided the dataset into the non-carcinogenic dose chloroprene exposed mice group and the carcinogenic dose chloroprene exposed mice group. With a systemic biological view, we discovered significantly altered gene modules between the two groups and identified hub genes in the carcinogenic dose exposed group using weighted co-expression network analysis (WGCNA). KEY FINDINGS A total of 2434 differentially expressed genes were identified. Twelve gene modules with multiple biological activities were related to the carcinogenesis of chloroprene in lung tissue. Seven hub genes that were critical for the carcinogenesis of chloroprene in lung tissue were ultimately identified, including Cftr, Hip1, Tbl1x, Ephx1, Cbr3, Antxr2 and Ccnd2. They were implicated in inflammatory response, cell transformation, gene transcription regulation, phase II detoxification, angiogenesis, cell adhesion, motility and the cell cycle. SIGNIFICANCE The seven hub genes may become valuable candidates for risk assessment biomarkers and therapeutic targets in lung cancer.
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The microRNA-23b/-27b cluster suppresses prostate cancer metastasis via Huntingtin-interacting protein 1-related. Oncogene 2016; 35:4752-61. [PMID: 26898757 DOI: 10.1038/onc.2016.6] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 11/23/2015] [Accepted: 12/18/2015] [Indexed: 12/13/2022]
Abstract
Deregulation of microRNAs (miRs) contributes to progression and metastasis of prostate and other cancers. miR-23b and -27b, encoded in the same miR cluster (miR-23b/-27b), are downregulated in human metastatic prostate cancer compared with primary tumors and benign tissue. Expression of miR-23b/-27b decreases prostate cancer cell migration, invasion and results in anoikis resistance. Conversely, antagomiR-mediated miR-23b and -27b silencing produces the opposite result in a more indolent prostate cancer cell line. However, neither miR-23b/-27b expression or inhibition impacts prostate cancer cell proliferation suggesting that miR-23b/-27b selectively suppresses metastasis. To examine the effects of miR-23b/-27b on prostate cancer metastasis in vivo, orthotopic prostate xenografts were established using aggressive prostate cancer cells transduced with miR-23b/-27b or non-targeting control miRNA. Although primary tumor formation was similar between miR-23b/-27b-transduced cells and controls, miR-23b/-27b expression in prostate cancer cells decreased seminal vesicle invasion and distant metastases. Gene-expression profiling identified the endocytic adaptor, Huntingtin-interacting protein 1-related (HIP1R) as being downregulated by miR-23b/-27b. Increased HIP1R expression in prostate cancer cells inversely phenocopied the effects of miR-23b/-27b overexpression on migration, invasion and anchorage-independent growth. HIP1R rescued miR-23b/-27b-mediated repression of migration in prostate cancer cells. HIP1R mRNA levels were decreased in seminal vesicle tissue from mice bearing miR-23b/-27b-transduced prostate cancer cell xenografts compared with scrambled controls, suggesting HIP1R is a key functional target of miR-23b/-27b. In addition, depletion of HIP1R led to a more rounded, less mesenchymal-like cell morphology, consistent with decreased metastatic properties. Together, these data demonstrate that the miR-23b/-27b cluster functions as a metastasis-suppressor by decreasing HIP1R levels in pre-clinical models of prostate cancer.
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Marghalani S, Feller JK, Mahalingam M, Mirzabeigi M. Huntingtin interacting protein 1 as a histopathologic adjunct in the diagnosis of Merkel cell carcinoma. Int J Dermatol 2014; 54:640-7. [PMID: 25070010 DOI: 10.1111/ijd.12454] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 07/22/2013] [Accepted: 08/02/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND Huntington interacting protein 1 (HIP1), an antiapoptotic protein normally expressed in the brain, is highly expressed in Merkel cell carcinomas (MCCs). Given this, the aim of the current study was to ascertain the value of HIP1 as a histopathologic adjunct in the diagnosis of MCC. METHODS In this retrospective study, archival material from 26 cases with a diagnosis of MCC and/or neuroendocrine carcinoma were retrieved from the pathology files of the Skin Pathology Laboratory (Boston University School of Medicine, Boston, MA, USA). Histopathologic sections of all cases were re-reviewed and the diagnosis confirmed. All patient data were de-identified. Immunohistochemical studies were performed using antibodies to HIP1 and cytokeratins (CK) 20 and 7. RESULTS A semiquantitative scoring system for immunohistochemical expression of HIP1 was utilized by deriving a cumulative score (based on percentage positivity of cells and intensity of expression). Using a cut-off total score of 3 or more as positive, the total number of positive cases was 22 for HIP1, 24 for CK20, and 11 for CK7. CONCLUSION Comparing the results of HIP1 and CK20, there were four discordant pairs (three positive for CK20 but negative for HIP1 and one positive for HIP1 but negative for CK20). McNemar's test indicated that there was no statistical significance (P = 0.625), thereby implying a close agreement between the expression of HIP1 and CK20 in these neuroendocrine neoplasms.
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Affiliation(s)
- Siham Marghalani
- Department of Dermatology, Dermatopathology Section, Boston University School of Medicine, Boston, MA, USA
| | - John Kyle Feller
- Department of Dermatology, Dermatopathology Section, Boston University School of Medicine, Boston, MA, USA
| | - Meera Mahalingam
- Department of Dermatology, Dermatopathology Section, Boston University School of Medicine, Boston, MA, USA
| | - Marjan Mirzabeigi
- Department of Dermatology, Dermatopathology Section, Boston University School of Medicine, Boston, MA, USA
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Clathrin light chains are required for the gyrating-clathrin recycling pathway and thereby promote cell migration. Nat Commun 2014; 5:3891. [PMID: 24852344 PMCID: PMC4050264 DOI: 10.1038/ncomms4891] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Accepted: 04/14/2014] [Indexed: 02/07/2023] Open
Abstract
The clathrin light chain (CLC) subunits participate in several membrane traffic pathways involving both clathrin and actin, through binding the actin-organizing huntingtin-interacting proteins (Hip). However, CLCs are dispensable for clathrin-mediated endocytosis of many cargoes. Here we observe that CLC depletion affects cell migration through Hip binding and reduces surface expression of β1-integrin by interference with recycling following normal endocytosis of inactive β1-integrin. CLC depletion and expression of a modified CLC also inhibit the appearance of gyrating (G)-clathrin structures, known mediators of rapid recycling of transferrin receptor from endosomes. Expression of the modified CLC reduces β1-integrin and transferrin receptor recycling, as well as cell migration, implicating G-clathrin in these processes. Supporting a physiological role for CLC in migration, the CLCb isoform of CLC is upregulated in migratory human trophoblast cells during uterine invasion. Together, these studies establish CLCs as mediating clathrin–actin interactions needed for recycling by G-clathrin during migration. Clathrin light chain (CLC) subunits are dispensable for clathrin-mediated endocytosis of a number of cargoes. Majeed et al. report that CLCs are however required for gyrating-clathrin-dependent recycling of inactive β1-integrins, the absence of which impairs cell migration.
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26
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Kon S, Kobayashi N, Satake M. Altered trafficking of mutated growth factor receptors and their associated molecules: implication for human cancers. CELLULAR LOGISTICS 2014; 4:e28461. [PMID: 25210647 PMCID: PMC4156482 DOI: 10.4161/cl.28461] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 03/06/2014] [Accepted: 03/07/2014] [Indexed: 01/01/2023]
Abstract
Ligand-stimulated receptor tyrosine kinases (RTKs) are phosphorylated/ubiquitinated, endocytosed and transported to the lysosomes via endosomes/multivesicular bodies, resulting in the attenuation of signal transmission. If this physiological mechanism of RTK signal downregulation is perturbed, signal transduction persists and may contribute to cellular transformation. This article presents several such examples. In some cases, endocytosis is impaired, and the activated RTK remains on the plasma membrane. In other cases, the activated RTK is endocytosed into endosomes/multivesicular bodies, but not subsequently sorted to the lysosomes for degradation. The latter cases indicate that even endocytosed RTKs can transmit signals. Transport of RTKs is accomplished via the formation and movement of membrane vesicles. Blockage or delay of endocytosis/trafficking can be caused by genetic alterations in the RTK itself or by mutations in CBL, Arf GAPs, or other components involved in internalization and vesicle transport. A survey of the literature indicates that, in some cases, even RTKs synthesized de novo can initiate signaling at the endoplasmic reticulum/Golgi before reaching the plasma membrane. The spectrum of molecules targeted by the signal is likely to be different between cell surface- and endoplasmic reticulum/Golgi-localized RTKs.
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Affiliation(s)
- Shunsuke Kon
- Institute of Development, Aging and Cancer, Tohoku University; Sendai, Japan
| | - Nobuhide Kobayashi
- Institute of Development, Aging and Cancer, Tohoku University; Sendai, Japan
| | - Masanobu Satake
- Institute of Development, Aging and Cancer, Tohoku University; Sendai, Japan
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Ufkin ML, Peterson S, Yang X, Driscoll H, Duarte C, Sathyanarayana P. miR-125a regulates cell cycle, proliferation, and apoptosis by targeting the ErbB pathway in acute myeloid leukemia. Leuk Res 2014; 38:402-10. [PMID: 24484870 DOI: 10.1016/j.leukres.2013.12.021] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 10/29/2013] [Accepted: 12/18/2013] [Indexed: 12/11/2022]
Abstract
microRNA profiling of acute myeloid leukemia patient samples identified miR-125a as being decreased. Current literature has investigated miR-125a's role in normal hematopoiesis but not within acute myeloid leukemia. Analysis of the upstream region of miR-125a identified several CpG islands. Both precursor and mature miR-125a increased in response to a de-methylating agent, Decitabine. Profiling revealed the ErbB pathway as significantly decreased with ectopic miR-125a. Either ectopic expression of miR-125a or inhibition of ErbB via Mubritinib resulted in inhibition of cell cycle proliferation and progression with enhanced apoptosis revealing ErbB inhibitors as potential novel therapeutic agents for treating miR-125a-low AML.
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Affiliation(s)
- Melanie L Ufkin
- The Graduate School of Biomedical Sciences, University of Maine, Orono, ME, USA; Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Sarah Peterson
- The Graduate School of Biomedical Sciences, University of Maine, Orono, ME, USA; Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Xuehui Yang
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Heather Driscoll
- Bioinformatics Support and Outreach, Vermont Genetics Network, Department of Biology and Physical Education, Norwich University, Northfield, VT, USA
| | - Christine Duarte
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Pradeep Sathyanarayana
- The Graduate School of Biomedical Sciences, University of Maine, Orono, ME, USA; Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA.
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Abstract
The endosomal system provides a route whereby nutrients, viruses, and receptors are internalized. During the course of endocytosis, activated receptors can accumulate within endosomal structures and certain signal-transducing molecules can be recruited to endosomal membranes. In the context of signaling and cancer, they provide platforms within the cell from which signals can be potentiated or attenuated. Regulation of the duration of receptor signaling is a pivotal means of refining growth responses in cells. In cancers, this is often considered in terms of mutations that affect receptor tyrosine kinases and maintain them in hyperactivated states of dimerization and/or phosphorylation. However, disruption to the regulatory control exerted by the assembly of protein complexes within the endosomal network can also contribute to disease among which oncogenesis is characterized in part by dysregulated growth, enhanced cell survival, and changes in the expression of markers of differentiation. In this chapter, we will discuss the role of proteins that regulate in endocytosis as tumor suppressors or oncogenes and how changing the fate of internalized receptors and concomitant endosomal signaling can contribute to cancer.
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Affiliation(s)
- Nikolai Engedal
- Prostate Cancer Research Group, Centre for Molecular Medicine Norway, Nordic EMBL Partnership, University of Oslo and Oslo University Hospital, Oslo, Norway
| | - Ian G Mills
- Prostate Cancer Research Group, Centre for Molecular Medicine Norway, Nordic EMBL Partnership, University of Oslo and Oslo University Hospital, Oslo, Norway; Department of Cancer Prevention, Institute of Cancer Research, Oslo University Hospital, Oslo, Norway; Department of Urology, Oslo University Hospital, Oslo, Norway; Uro-Oncology Research Group, Cambridge Research Institute, University of Cambridge, Cambridge, United Kingdom.
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30
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HER. Mol Oncol 2013. [DOI: 10.1017/cbo9781139046947.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Huntingtin-interacting protein 1 phosphorylation by receptor tyrosine kinases. Mol Cell Biol 2013; 33:3580-93. [PMID: 23836884 DOI: 10.1128/mcb.00473-13] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Huntingtin-interacting protein 1 (HIP1) binds inositol lipids, clathrin, actin, and receptor tyrosine kinases (RTKs). HIP1 is elevated in many tumors, and its expression is prognostic in prostate cancer. HIP1 overexpression increases levels of the RTK epidermal growth factor receptor (EGFR) and transforms fibroblasts. Here we report that HIP1 is tyrosine phosphorylated in the presence of EGFR and platelet-derived growth factor β receptor (PDGFβR) as well as the oncogenic derivatives EGFRvIII, HIP1/PDGFβR (H/P), and TEL/PDGFβR (T/P). We identified a four-tyrosine "HIP1 phosphorylation motif" (HPM) in the N-terminal region of HIP1 that is required for phosphorylation mediated by both EGFR and PDGFβR but not by the oncoproteins H/P and T/P. We also identified a tyrosine residue (Y152) within the HPM motif of HIP1 that inhibits HIP1 tyrosine phosphorylation. The HPM tyrosines are conserved in HIP1's only known mammalian relative, HIP1-related protein (HIP1r), and are also required for HIP1r phosphorylation. Tyrosine-to-phenylalanine point mutations in the HPM of HIP1 result in proapoptotic activity, indicating that an intact HPM may be necessary for HIP1's role in cellular survival. These data suggest that phosphorylation of HIP1 by RTKs in an N-terminal region contributes to the promotion of cellular survival.
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The role of endosomal signaling triggered by metastatic growth factors in tumor progression. Cell Signal 2013; 25:1539-45. [PMID: 23571269 DOI: 10.1016/j.cellsig.2013.03.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Accepted: 03/28/2013] [Indexed: 01/12/2023]
Abstract
Within tumor microenvironment, a lot of growth factors such as hepatocyte growth factor and epidermal growth factor may induce similar signal cascade downstream of receptor tyrosine kinase (RTK) and trigger tumor metastasis synergistically. In the past decades, the intimate relationship of RTK-mediated receptor endocytosis with signal transduction was well established. In general, most RTK undergoes clathrin-dependent endocytosis and/or clathrin-independent endocytosis. The internalized receptors may sustain the signaling within early endosome, recycling to plasma membrane for subsequent ligand engagement or sorting to late endosomes/lysosome for receptor degradation. Moreover, receptor endocytosis influences signal transduction in a temporal and spatial manner for periodical and polarized cellular processes such as cell migration. The endosomal signalings triggered by various metastatic factors are quite similar in some critical points, which are essential for triggering cell migration and tumor progression. There are common regulators for receptor endocytosis including dynamin, Rab4, Rab5, Rab11 and Cbl. Moreover, many critical regulators within the RTK signal pathway such as Grb2, p38, PKC and Src were also modulators of endocytosis. In the future, these may constitute a new category of targets for prevention of tumor metastasis.
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Huntingtin-associated protein 1: a potential biomarker of breast cancer. Oncol Rep 2013; 29:1881-7. [PMID: 23440330 DOI: 10.3892/or.2013.2303] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Accepted: 12/21/2012] [Indexed: 11/05/2022] Open
Abstract
It is reported that patients with Huntington's disease (HD) have a low incidence of cancer. In this study, we investigated the expression of huntingtin-associated protein 1 (HAP1), the ligand of HD's production, in breast tumor and normal tissues. We found that HAP1 expression was significantly lower in tumor compared to normal tissues. We then transfected the HAP1 gene into the breast cancer lines MCF-7 and MDA-MB-231, and results showed that the overexpression of HAP1 reduced the growth of the two cell lines. In addition, we observed that HAP1 also reduced invasion and migration, and upregulated apoptosis in MCF-7 cells; however, these changes were not observed in MDA-MB-231 cells. We also demonstrated that the expression of EGFR and apoptosis-related genes might be involved in cell proliferation and apoptosis. In conclusion, overexpression of HAP1 reduced in vitro cell growth in breast cancer cell lines, suppressed the migration and invasion, and promoted the apoptosis of certain cell lines. Therefore, HAP1 is a potential molecular target for the diagnosis and treatment of breast cancer.
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Sigismund S, Confalonieri S, Ciliberto A, Polo S, Scita G, Di Fiore PP. Endocytosis and signaling: cell logistics shape the eukaryotic cell plan. Physiol Rev 2012; 92:273-366. [PMID: 22298658 DOI: 10.1152/physrev.00005.2011] [Citation(s) in RCA: 236] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Our understanding of endocytosis has evolved remarkably in little more than a decade. This is the result not only of advances in our knowledge of its molecular and biological workings, but also of a true paradigm shift in our understanding of what really constitutes endocytosis and of its role in homeostasis. Although endocytosis was initially discovered and studied as a relatively simple process to transport molecules across the plasma membrane, it was subsequently found to be inextricably linked with almost all aspects of cellular signaling. This led to the notion that endocytosis is actually the master organizer of cellular signaling, providing the cell with understandable messages that have been resolved in space and time. In essence, endocytosis provides the communications and supply routes (the logistics) of the cell. Although this may seem revolutionary, it is still likely to be only a small part of the entire story. A wealth of new evidence is uncovering the surprisingly pervasive nature of endocytosis in essentially all aspects of cellular regulation. In addition, many newly discovered functions of endocytic proteins are not immediately interpretable within the classical view of endocytosis. A possible framework, to rationalize all this new knowledge, requires us to "upgrade" our vision of endocytosis. By combining the analysis of biochemical, biological, and evolutionary evidence, we propose herein that endocytosis constitutes one of the major enabling conditions that in the history of life permitted the development of a higher level of organization, leading to the actuation of the eukaryotic cell plan.
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Affiliation(s)
- Sara Sigismund
- IFOM, Fondazione Istituto FIRC di Oncologia Molecolare, Milan, Italy
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Silkov A, Yoon Y, Lee H, Gokhale N, Adu-Gyamfi E, Stahelin RV, Cho W, Murray D. Genome-wide structural analysis reveals novel membrane binding properties of AP180 N-terminal homology (ANTH) domains. J Biol Chem 2011; 286:34155-63. [PMID: 21828048 DOI: 10.1074/jbc.m111.265611] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
An increasing number of cytosolic proteins are shown to interact with membrane lipids during diverse cellular processes, but computational prediction of these proteins and their membrane binding behaviors remains challenging. Here, we introduce a new combinatorial computation protocol for systematic and robust functional prediction of membrane-binding proteins through high throughput homology modeling and in-depth calculation of biophysical properties. The approach was applied to the genomic scale identification of the AP180 N-terminal homology (ANTH) domain, one of the modular lipid binding domains, and prediction of their membrane binding properties. Our analysis yielded comprehensive coverage of the ANTH domain family and allowed classification and functional annotation of proteins based on the differences in local structural and biophysical features. Our analysis also identified a group of plant ANTH domains with unique structural features that may confer novel functionalities. Experimental characterization of a representative member of this subfamily confirmed its unique membrane binding mechanism and unprecedented membrane deforming activity. Collectively, these studies suggest that our new computational approach can be applied to genome-wide functional prediction of other lipid binding domains.
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Affiliation(s)
- Antonina Silkov
- Department of Pharmacology, Columbia University, New York, New York 11032, USA
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Huntingtin-interacting protein 1: a Merkel cell carcinoma marker that interacts with c-Kit. J Invest Dermatol 2011; 131:2113-20. [PMID: 21697888 PMCID: PMC3174286 DOI: 10.1038/jid.2011.171] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Merkel cell carcinoma (MCC) is a neoplasm thought to originate from the neuroendocrine Merkel cells of the skin. Although the prevalence of MCC has been increasing, treatments for this disease remain limited because of a paucity of information regarding MCC biology. We have found that the endocytic oncoprotein Huntingtin-interacting protein 1 (HIP1) is expressed at high levels in ∼90% of MCC tumors and serves as a more reliable histological cytoplasmic stain than the gold standard, cytokeratin 20. Furthermore, high anti-HIP1 antibody reactivity in the sera of a cohort of MCC patients predicts the presence of metastases. Another protein that is frequently expressed at high levels in MCC tumors is the stem cell factor (SCF) receptor tyrosine kinase, c-Kit. In working toward an understanding of how HIP1 might contribute to MCC tumorigenesis, we have discovered that HIP1 interacts with SCF-activated c-Kit. These data not only identify HIP1 as a molecular marker for management of MCC patients but also show that HIP1 interacts with and slows the degradation of c-Kit.
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37
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Avraham R, Yarden Y. Feedback regulation of EGFR signalling: decision making by early and delayed loops. Nat Rev Mol Cell Biol 2011; 12:104-17. [PMID: 21252999 DOI: 10.1038/nrm3048] [Citation(s) in RCA: 493] [Impact Index Per Article: 37.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Human-made information relay systems invariably incorporate central regulatory components, which are mirrored in biological systems by dense feedback and feedforward loops. This type of system control is exemplified by positive and negative feedback loops (for example, receptor endocytosis and dephosphorylation) that enable growth factors and receptor Tyr kinases of the epidermal growth factor receptor (EGFR)/ERBB family to regulate cellular function. Recent studies show that the collection of feedback regulatory loops can perform computational tasks - such as decoding ligand specificity, transforming graded input signals into a digital output and regulating response kinetics. Aberrant signal processing and feedback regulation can lead to defects associated with pathologies such as cancer.
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Affiliation(s)
- Roi Avraham
- Department of Biological Regulation, The Weizmann Institute of Science, Rehovot 76100, Israel
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Ramocki MB, Bartnik M, Szafranski P, Kołodziejska KE, Xia Z, Bravo J, Miller GS, Rodriguez DL, Williams CA, Bader PI, Szczepanik E, Mazurczak T, Antczak-Marach D, Coldwell JG, Akman CI, McAlmon K, Cohen MP, McGrath J, Roeder E, Mueller J, Kang SHL, Bacino CA, Patel A, Bocian E, Shaw CA, Cheung SW, Mazurczak T, Stankiewicz P. Recurrent distal 7q11.23 deletion including HIP1 and YWHAG identified in patients with intellectual disabilities, epilepsy, and neurobehavioral problems. Am J Hum Genet 2010; 87:857-65. [PMID: 21109226 DOI: 10.1016/j.ajhg.2010.10.019] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2010] [Revised: 10/12/2010] [Accepted: 10/22/2010] [Indexed: 11/19/2022] Open
Abstract
We report 26 individuals from ten unrelated families who exhibit variable expression and/or incomplete penetrance of epilepsy, learning difficulties, intellectual disabilities, and/or neurobehavioral abnormalities as a result of a heterozygous microdeletion distally adjacent to the Williams-Beuren syndrome region on chromosome 7q11.23. In six families with a common recurrent ∼1.2 Mb deletion that includes the Huntingtin-interacting protein 1 (HIP1) and tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein gamma (YWHAG) genes and that is flanked by large complex low-copy repeats, we identified sites for nonallelic homologous recombination in two patients. There were no cases of this ∼1.2 Mb distal 7q11.23 deletion copy number variant identified in over 20,000 control samples surveyed. Three individuals with smaller, nonrecurrent deletions (∼180-500 kb) that include HIP1 but not YWHAG suggest that deletion of HIP1 is sufficient to cause neurological disease. Mice with targeted mutation in the Hip1 gene (Hip1⁻(/)⁻) develop a neurological phenotype characterized by failure to thrive, tremor, and gait ataxia. Overall, our data characterize a neurodevelopmental and epilepsy syndrome that is likely caused by recurrent and nonrecurrent deletions, including HIP1. These data do not exclude the possibility that YWHAG loss of function is also sufficient to cause neurological phenotypes. Based on the current knowledge of Hip1 protein function and its proposed role in AMPA and NMDA ionotropic glutamate receptor trafficking, we believe that HIP1 haploinsufficiency in humans will be amenable to rational drug design for improved seizure control and cognitive and behavioral function.
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Affiliation(s)
- Melissa B Ramocki
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
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Scott KL, Chin L. Signaling from the Golgi: mechanisms and models for Golgi phosphoprotein 3-mediated oncogenesis. Clin Cancer Res 2010; 16:2229-34. [PMID: 20354134 DOI: 10.1158/1078-0432.ccr-09-1695] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Golgi phosphoprotein 3 (GOLPH3; also known as GPP34/GMx33/MIDAS) represents an exciting new class of oncoproteins involved in vesicular trafficking. Encoded by a gene residing on human chromosome 5p13, which is frequently amplified in multiple solid tumor types, GOLPH3 was initially discovered as a phosphorylated protein localized to the Golgi apparatus. Recent functional, cell biological, and biochemical analyses show that GOLPH3 can function as an oncoprotein to promote cell transformation and tumor growth by enhancing activity of the mammalian target of rapamycin, a serine/threonine protein kinase known to regulate cell growth, proliferation, and survival. Although its precise mode of action in cancer remains to be elucidated, the fact that GOLPH3 has been implicated in protein trafficking, receptor recycling, and glycosylation points to potential links of these cellular processes to tumorigenesis. Understanding how these processes may be deregulated and contribute to cancer pathogenesis and drug response will uncover new avenues for therapeutic intervention.
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Affiliation(s)
- Kenneth L Scott
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
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Borlido J, Zecchini V, Mills IG. Nuclear Trafficking and Functions of Endocytic Proteins Implicated in Oncogenesis. Traffic 2009; 10:1209-20. [DOI: 10.1111/j.1600-0854.2009.00922.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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41
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Pyrzynska B, Pilecka I, Miaczynska M. Endocytic proteins in the regulation of nuclear signaling, transcription and tumorigenesis. Mol Oncol 2009; 3:321-38. [PMID: 19577966 DOI: 10.1016/j.molonc.2009.06.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2009] [Revised: 06/01/2009] [Accepted: 06/02/2009] [Indexed: 01/14/2023] Open
Abstract
Accumulating evidence argues that many proteins governing membrane sorting during endocytosis participate also in nuclear signaling and transcriptional regulation, mostly by modulating the activity of various nuclear factors. Some adaptors and accessory proteins acting in clathrin-mediated internalization, as well as endosomal sorting proteins can undergo nuclear translocation and affect gene expression directly, while for others the effects may be more indirect. Although it is often unclear to what extent the endocytic and nuclear functions are interrelated, several of such proteins are implicated in the regulation of cell proliferation and tumorigenesis, arguing that their dual-function nature may be of physiological importance.
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Affiliation(s)
- Beata Pyrzynska
- International Institute of Molecular and Cell Biology, Laboratory of Cell Biology, 02-109 Warsaw, Poland
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Abella JV, Park M. Breakdown of endocytosis in the oncogenic activation of receptor tyrosine kinases. Am J Physiol Endocrinol Metab 2009; 296:E973-84. [PMID: 19240253 DOI: 10.1152/ajpendo.90857.2008] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
There is increasing evidence to support the concept that the malignant behavior of many tumors is sustained by the deregulated activation of growth factor receptors. Activation of receptor tyrosine kinases (RTKs) by their respective ligand(s) initiates cellular signals that tightly modulate cell proliferation, survival, differentiation and migration to ensure normal tissue patterning. Therefore, uncontrolled activation of such signals can have deleterious effects, leading to oncogenesis. To date, deregulation of most RTKs has been implicated in the development of cancer, although the mechanisms that lead to their deregulation are not yet fully understood (10). RTK endocytosis, the internalization and trafficking of receptors inside the cell, has long been established as a mechanism to attenuate RTK signaling. However, RTKs have been demonstrated to continue to signal along the endocytic pathway, which contributes to the spatio-temporal regulation of signal transduction. This review will focus on recent advances linking defective endocytosis of RTKs in the development of cancer.
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Affiliation(s)
- Jasmine V Abella
- Rosalind and Morris Goodman Cancer Centre, Montreal, H3A 1A3, QC, Canada
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43
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Merlin regulates transmembrane receptor accumulation and signaling at the plasma membrane in primary mouse Schwann cells and in human schwannomas. Oncogene 2008; 28:854-65. [PMID: 19029950 DOI: 10.1038/onc.2008.427] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The NF2 gene product, merlin/schwannomin, is a cytoskeleton organizer with unique growth-inhibiting activity in specific cell types. A narrow spectrum of tumors is associated with NF2 deficiency, mainly schwannomas and meningiomas, suggesting cell-specific mechanisms of growth control. We have investigated merlin function in mouse Schwann cells (SCs). We found that merlin regulates contact inhibition of proliferation by limiting the delivery of several growth factor receptors at the plasma membrane of primary SCs. Notably, upon cell-to-cell contact, merlin downregulates the membrane levels of ErbB2 and ErbB3, thus inhibiting the activity of the downstream mitogenic signaling pathways protein kinase B and mitogen-activated protein kinase. Consequently, loss of merlin activity is associated with elevated levels of ErbB receptors in primary SCs. We also observed accumulation of growth factor receptors such as ErbB2 and 3, insulin-like growth factor 1 receptor and platelet-derived growth factor receptor in peripheral nerves of Nf2-mutant mice and in human NF2 schwannomas, suggesting that this mechanism could play an important role in tumorigenesis.
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Abstract
Once engaged by soluble or matrix-anchored ligands, cell surface proteins are commonly sorted to lysosomal degradation through several endocytic pathways. Defective vesicular trafficking of growth factor receptors, as well as unbalanced recycling of integrin- and cadherin-based adhesion complexes, has emerged in the past 5 years as a multifaceted hallmark of malignant cells. In line with the cooperative nature of endocytic machineries, multiple oncogenic alterations underlie defective endocytosis, such as altered ubiquitylation (Cbl and Nedd4 ubiquitin ligases, for example), altered cytoskeletal interactions and alterations to Rab family members. Pharmaceutical interception of the propensity of tumour cells to derail their signalling and their adhesion receptors may constitute a novel target for cancer therapy.
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Affiliation(s)
- Yaron Mosesson
- Department of Biological Regulation, The Weizmann Institute of Science, Rehovot 76100, Israel
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Moores JN, Roy S, Nicholson DW, Staveley BE. Huntingtin interacting protein 1 can regulate neurogenesis in Drosophila. Eur J Neurosci 2008; 28:599-609. [PMID: 18702731 DOI: 10.1111/j.1460-9568.2008.06359.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Huntington's disease (HD) is associated with a range of cellular consequences including selective neuronal death and decreased levels of neurogenesis. Ultimately, these altered processes are dependent upon proteins that interact with Huntingtin (Htt) such as the Huntingtin-interacting protein 1 (Hip1) which has a reduced binding preference to expanded Htt. These effects are similar to those observed with modified Notch signal transduction. As Hip1 plays a key role in endocytosis and intracellular transport, and activation of the Notch signal requires both, we investigated putative links between Hip1 and Notch signaling in flies. We have identified two forms of Hip1 that may be produced through the use of alternative first exons: a version of Hip1 with a lipid-binding ANTH domain and Hip1DeltaANTH lacking this domain. The directed expression of Hip1 decreases, while expression of Hip1DeltaANTH increases, the density of sensory microchaetae on the dorsal notum, a classical model of neurogenesis. A reduction in microchaetae density associated with Notch(Microchaetae Deficient (MCD)) (N(MCD) ) alleles is sensitive to both Hip1 and Hip1DeltaANTH levels, as are the bristle phenotypes generated by misexpression of deltex, a key mediator of Notch signaling. Genetic studies further demonstrate that the observed effects of Hip1 and of Hip1DeltaANTH are sensitive to achaete gene dosage while insensitive to the levels of E(Spl), suggesting a non-canonical Notch neurogenic signal through a deltex-dependent pathway. The novel role we describe for Hip1 in Notch-mediated neurogenesis provides a functional link between Notch signaling and proteins related to HD.
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Affiliation(s)
- Justin N Moores
- Department of Biology, Memorial University of Newfoundland, St John's, Newfoundland, Labrador, Canada
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46
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Altered fibroblast growth factor receptor 4 stability promotes prostate cancer progression. Neoplasia 2008; 10:847-56. [PMID: 18670643 DOI: 10.1593/neo.08450] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Revised: 05/21/2008] [Accepted: 05/22/2008] [Indexed: 01/08/2023] Open
Abstract
Fibroblast growth factor receptor 4 (FGFR-4) is expressed at significant levels in almost all human prostate cancers, and expression of its ligands is ubiquitous. A common polymorphism of FGFR-4 in which arginine (Arg(388)) replaces glycine (Gly(388)) at amino acid 388 is associated with progression in human prostate cancer. We show that the FGFR-4 Arg(388) polymorphism, which is present in most prostate cancer patients, results in increased receptor stability and sustained receptor activation. In patients bearing the FGFR-4 Gly(388) variant, expression of Huntingtin-interacting protein 1 (HIP1), which occurs in more than half of human prostate cancers, also results in FGFR-4 stabilization. This is associated with enhanced proliferation and anchorage-independent growth in vitro. Our findings indicate that increased receptor stability and sustained FGFR-4 signaling occur in most human prostate cancers due to either the presence of a common genetic polymorphism or the expression of a protein that stabilizes FGFR-4. Both of these alterations are associated with clinical progression in patients with prostate cancer. Thus, FGFR-4 signaling and receptor turnover are important potential therapeutic targets in prostate cancer.
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Jain RN, Al-Menhali AA, Keeley TM, Ren J, El-Zaatari M, Chen X, Merchant JL, Ross TS, Chew CS, Samuelson LC. Hip1r is expressed in gastric parietal cells and is required for tubulovesicle formation and cell survival in mice. J Clin Invest 2008; 118:2459-70. [PMID: 18535670 DOI: 10.1172/jci33569] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2007] [Accepted: 04/30/2008] [Indexed: 11/17/2022] Open
Abstract
Huntingtin interacting protein 1 related (Hip1r) is an F-actin- and clathrin-binding protein involved in vesicular trafficking. In this study, we demonstrate that Hip1r is abundantly expressed in the gastric parietal cell, predominantly localizing with F-actin to canalicular membranes. Hip1r may provide a critical function in vivo, as demonstrated by extensive changes to parietal cells and the gastric epithelium in Hip1r-deficient mice. Electron microscopy revealed abnormal apical canalicular membranes and loss of tubulovesicles in mutant parietal cells, suggesting that Hip1r is necessary for the normal trafficking of these secretory membranes. Accordingly, acid secretory dynamics were altered in mutant parietal cells, with enhanced activation and acid trapping, as measured in isolated gastric glands. At the whole-organ level, gastric acidity was reduced in Hip1r-deficient mice, and the gastric mucosa was grossly transformed, with fewer parietal cells due to enhanced apoptotic cell death and glandular hypertrophy associated with cellular transformation. Hip1r-deficient mice had increased expression of the gastric growth factor gastrin, and mice mutant for both gastrin and Hip1r exhibited normalization of both proliferation and gland height. Taken together, these studies demonstrate that Hip1r plays a significant role in gastric physiology, mucosal architecture, and secretory membrane dynamics in parietal cells.
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Affiliation(s)
- Renu N Jain
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan 48109-2200, USA
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Abstract
From the signaling point of view, endocytosis has long been regarded as a major mechanism of attenuation, through the degradation of signaling receptors and, in some cases, of their ligands. This outlook has changed, over the past decade, as it has become clear that signaling persists in the endocytic route, and that intracellular endocytic stations (the 'signaling endosomes') actually contribute to the sorting of signals in space and time. Endocytosis-mediated recycling of receptors and of signaling molecules to specific regions of the plasma membrane is also coming into focus as a major mechanism in the execution of spatially restricted functions, such as cell motility. In addition, emerging evidence connects endocytosis as a whole, or individual endocytic proteins, to complex cellular programs, such as the control of the cell cycle, mitosis, apoptosis and cell fate determination. Thus, endocytosis seems to be deeply ingrained into the cell regulation blueprint and its subversion is predicted to play an important role in human diseases: first and foremost, cancer.
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Affiliation(s)
- Letizia Lanzetti
- Dipartimento di Scienze Oncologiche, Università degli Studi di Torino, Istituto per la Ricerca e la Cura del Cancro, Candiolo, Turin, Italy
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Bhattacharyya NP, Banerjee M, Majumder P. Huntington’s disease: roles of huntingtin-interacting protein 1 (HIP-1) and its molecular partner HIPPI in the regulation of apoptosis and transcription. FEBS J 2008; 275:4271-9. [DOI: 10.1111/j.1742-4658.2008.06563.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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50
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Lin B, Utleg AG, Gravdal K, White JT, Halvorsen OJ, Lu W, True LD, Vessella R, Lange PH, Nelson PS, Hood L, Kalland KH, Akslen LA. WDR19 expression is increased in prostate cancer compared with normal cells, but low-intensity expression in cancers is associated with shorter time to biochemical failures and local recurrence. Clin Cancer Res 2008; 14:1397-406. [PMID: 18316561 DOI: 10.1158/1078-0432.ccr-07-1535] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Prostate cancer is the third leading cause of cancer death in the United States, following lung and colorectal cancer. We previously identified WDR19 as a prostate-specific, androgen-regulated gene. Here, we evaluate its utility as a prostate cancer tissue marker for diagnosis and prognostic evaluation. EXPERIMENTAL DESIGN Real-time quantitative PCR was done on a panel of prostate tissue isolated by laser capture microdissection. After generating antibodies against WDR19, tissue microarrays (TMA) were employed to compare WDR19 expression between normal, benign prostatic hyperplasia, and prostate cancer tissue. RESULTS Using microarrays and real-time quantitative PCR, we showed that WDR19 mRNA expression was increased in cancer. We further showed that WDR19 protein is localized to cytoplasmic subcellular granules and is expressed exclusively in prostate epithelia. Large-scale immunohistochemical staining using TMAs reveals a significant percentage of increase in intensely staining tissue cores in cancer tissue when compared with normal or benign prostatic hyperplastic tissue. Based on the analysis of a separate TMA for which clinical follow-up information was available, low-intensity WDR19 staining was significantly associated with decreased time to biochemical failure (P = 0.006) and with decreased time to locoregional recurrence (P = 0.050). CONCLUSIONS WDR19 should be added to the list of prostate cancer tissue markers. The continued expansion of a multiple-marker panel will conceivably increase the sensitivity and specificity of prostate cancer diagnosis and prognosis.
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Affiliation(s)
- Biaoyang Lin
- Zhejiang-California International Nanosystems Institute, Hangzhou, China.
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