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Pizzuti V, Balducelli E, Nunzio MD, Conte D, Gessaroli E, Demetri M, Marrazzo P, Alviano F, Corradetti V, Maritati F, Manna GL, Comai G. Urine-derived renal epithelial cells isolated after kidney transplant are sensitive to neutrophil gelatinase-associated lipocalin exposure during in vitro culture. Eur J Cell Biol 2024; 103:151442. [PMID: 38986342 DOI: 10.1016/j.ejcb.2024.151442] [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: 03/27/2024] [Revised: 07/03/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024] Open
Abstract
Urine-derived renal epithelial cells (URECs) are highly voided after kidney transplant and express typical kidney markers, including markers of kidney epithelial progenitor cells. Recently URECs have shown promising immunomodulatory properties when cultured with Peripheral Blood Mononuclear Cells (PBMCs), promoting an increase in the T regulatory cells. In vivo, kidney cells are highly exposed to damage associated molecules during both acute and chronic kidney injury. Neutrophil gelatinase-associated lipocalin (NGAL) is one of the most -known early marker of acute and chronic kidney damage. However, its role on the evolution of renal damage has not yet been fully described, nor has its impact on the characteristics of renal-derived cells during in vitro culture. The aim of this study is to investigate the effect of NGAL on the characteristics of URECs isolated after kidney transplant, by exposing these cells to the treatment with NGAL during in vitro culture and evaluating its effect on UREC viability, proliferation, and immunomodulatory potential. The exposure of URECs to NGAL reduced their viability and proliferative capacity, promoting the onset of apoptosis. The immunomodulatory properties of URECs were partially inhibited by NGAL, without affecting the increase of Treg cells observed during UREC-PBMCs coculture. These results suggest that the exposure to NGAL may compromise some features of kidney stem and specialized cell types, reducing their viability, increasing apoptosis, and partially altering their immunomodulatory properties. Thus, NGAL could represent a target for approaches acting on its inhibition or reduction to improve functional recovery.
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Affiliation(s)
- Valeria Pizzuti
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna 40126, Italy
| | - Emma Balducelli
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna 40126, Italy
| | - Miriam Di Nunzio
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna 40139, Italy
| | - Diletta Conte
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna 40126, Italy
| | - Elisa Gessaroli
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna 40139, Italy
| | - Marcello Demetri
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna 40126, Italy
| | - Pasquale Marrazzo
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna 40126, Italy
| | - Francesco Alviano
- Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Bologna 40126, Italy
| | - Valeria Corradetti
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna 40139, Italy
| | - Federica Maritati
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna 40139, Italy
| | - Gaetano La Manna
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna 40126, Italy; Nephrology, Dialysis and Renal Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna 40139, Italy.
| | - Giorgia Comai
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna 40126, Italy; Nephrology, Dialysis and Renal Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna 40139, Italy
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2
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Tawengi M, Al-Dali Y, Tawengi A, Benter IF, Akhtar S. Targeting the epidermal growth factor receptor (EGFR/ErbB) for the potential treatment of renal pathologies. Front Pharmacol 2024; 15:1394997. [PMID: 39234105 PMCID: PMC11373609 DOI: 10.3389/fphar.2024.1394997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 07/29/2024] [Indexed: 09/06/2024] Open
Abstract
Epidermal growth factor receptor (EGFR), which is referred to as ErbB1/HER1, is the prototype of the EGFR family of receptor tyrosine kinases which also comprises ErbB2 (Neu, HER2), ErbB3 (HER3), and ErbB4 (HER4). EGFR, along with other ErbBs, is expressed in the kidney tubules and is physiologically involved in nephrogenesis and tissue repair, mainly following acute kidney injury. However, its sustained activation is linked to several kidney pathologies, including diabetic nephropathy, hypertensive nephropathy, glomerulonephritis, chronic kidney disease, and renal fibrosis. This review aims to provide a summary of the recent findings regarding the consequences of EGFR activation in several key renal pathologies. We also discuss the potential interplay between EGFR and the reno-protective angiotensin-(1-7) (Ang-(1-7), a heptapeptide member of the renin-angiotensin-aldosterone system that counter-regulates the actions of angiotensin II. Ang-(1-7)-mediated inhibition of EGFR transactivation might represent a potential mechanism of action for its renoprotection. Our review suggests that there is a significant body of evidence supporting the potential inhibition of EGFR/ErbB, and/or administration of Ang-(1-7), as potential novel therapeutic strategies in the treatment of renal pathologies. Thus, EGFR inhibitors such as Gefitinib and Erlinotib that have an acceptable safety profile and have been clinically used in cancer chemotherapy since their FDA approval in the early 2000s, might be considered for repurposing in the treatment of renal pathologies.
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Affiliation(s)
- Mohamed Tawengi
- College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Yazan Al-Dali
- College of Medicine, QU Health, Qatar University, Doha, Qatar
| | | | - Ibrahim F Benter
- Faculty of Pharmacy, Final International University, Kyrenia, Cyprus
| | - Saghir Akhtar
- College of Medicine, QU Health, Qatar University, Doha, Qatar
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3
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Jiang H, Liu M, Yang W, Hong YK, Xu D, Nalbant EK, Clutter ED, Foroozandeh P, Kaplan N, Wysocki J, Batlle D, Miller SD, Lu K, Peng H. Activation of limbal epithelial proliferation is partly controlled by the ACE2-LCN2 pathway. iScience 2024; 27:110534. [PMID: 39175771 PMCID: PMC11338997 DOI: 10.1016/j.isci.2024.110534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 05/19/2024] [Accepted: 07/15/2024] [Indexed: 08/24/2024] Open
Abstract
In response to corneal injury, an activation of corneal epithelial stem cells and their direct progeny the early transit amplifying (eTA) cells to rapidly proliferate is critical for proper re-epithelialization. Thus, it is important to understand how such stem/eTA cell activation is regulated. Angiotensin-converting enzyme 2 (ACE2) is predominantly expressed in the stem/eTA-enriched limbal epithelium but its role in the limbal epithelium was unclear. Single cell RNA sequencing (scRNA-seq) suggested that Ace2 involved the proliferation of the stem/eTA cells. Ace2 was reduced following corneal injury. Such reduction enhanced limbal epithelial proliferation and downregulated LCN2, a negative regulator of proliferation in a variety of tissues, via upregulating TGFA and consequently activating epidermal growth factor receptor (EGFR). Inhibition of EGFR or overexpression of LCN2 reversed the increased proliferation in limbal epithelial cells lacking ACE2. Our findings demonstrate that after corneal injury, ACE2 is downregulated, which activates limbal epithelial cell proliferation via a TGFA/EGFR/LCN2 pathway.
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Affiliation(s)
- Huimin Jiang
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei 230601, China
| | - Min Liu
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Wending Yang
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Yi-Kai Hong
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Dan Xu
- Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Elif Kayaalp Nalbant
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Elwin D. Clutter
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Parisa Foroozandeh
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Nihal Kaplan
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Jan Wysocki
- Medicine (Nephrology and Hypertension), Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Daniel Batlle
- Medicine (Nephrology and Hypertension), Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Stephen D. Miller
- Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Kurt Lu
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Han Peng
- Departments of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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Wang G, Liu S, Kong X, Jiao H, Tong F, Guo Z, Zhang M, Guan X, Ren N, Li W, Qi L, Wei Y. Lipocalin-2 induced LDHA expression promotes vascular remodelling in pulmonary hypertension. Cell Prolif 2024:e13717. [PMID: 39021353 DOI: 10.1111/cpr.13717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/30/2024] [Accepted: 07/05/2024] [Indexed: 07/20/2024] Open
Abstract
Aerobic glycolysis is involved in the pathogenesis of pulmonary hypertension (PH). The mechanisms by which glycolysis is increased and how it contributes to pulmonary vascular remodelling are not yet fully understood. In this study, we demonstrated that elevated lipocalin-2 (LCN2) in PH significantly enhances aerobic glycolysis in human pulmonary artery smooth muscle cells (PASMCs) by up-regulating LDHA expression. Knockout of Lcn2 or having heterozygous LDHA deficiency in mice significantly inhibits the progression of hypoxic PH. Our study reveals that LCN2 stimulates LDHA expression by activating Akt-HIF-1α signalling pathway. Inhibition of Akt or HIF-1α reduces LDHA expression and proliferation of PASMCs. Both Akt and HIF-1α play critical roles in the development of PH and are suppressed in the pulmonary vessels of hypoxic PH mice lacking LCN2. These findings shed light on the LCN2-Akt-HIF1α-LDHA axis in aerobic glycolysis in PH.
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Affiliation(s)
- Guoliang Wang
- Department of Tumor and Immunology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Shenghua Liu
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaohui Kong
- Department of Tumor and Immunology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Hong Jiao
- Department of Tumor and Immunology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Feng Tong
- Department of Cardiac Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Zhangke Guo
- Department of Cardiac Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Meng Zhang
- Department of Pathology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Xiaoxing Guan
- Department of Pathology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Na Ren
- Department of Clinical Laboratory Center, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - Wanzhen Li
- Department of Lipidomics Experimental Platform, State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Lihua Qi
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Yingjie Wei
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Marques E, Alves Teixeira M, Nguyen C, Terzi F, Gallazzini M. Lipocalin-2 induces mitochondrial dysfunction in renal tubular cells via mTOR pathway activation. Cell Rep 2023; 42:113032. [PMID: 37624695 DOI: 10.1016/j.celrep.2023.113032] [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: 03/07/2023] [Revised: 07/03/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Mitochondrial dysfunction is a critical process in renal epithelial cells upon kidney injury. While its implication in kidney disease progression is established, the mechanisms modulating it remain unclear. Here, we describe the role of Lipocalin-2 (LCN2), a protein expressed in injured tubular cells, in mitochondrial dysfunction. We show that LCN2 expression decreases mitochondrial mass and function and induces mitochondrial fragmentation. Importantly, while LCN2 expression favors DRP1 mitochondrial recruitment, DRP1 inhibition antagonizes LCN2's effect on mitochondrial shape. Remarkably, LCN2 promotes mitochondrial fragmentation independently of its secretion or transport iron activity. Mechanistically, intracellular LCN2 expression increases mTOR activity, and rapamycin inhibits LCN2's effect on mitochondrial shape. In vivo, Lcn2 gene inactivation prevents mTOR activation and mitochondrial length decrease observed upon ischemia-reperfusion-induced kidney injury (IRI) in Lcn2+/+ mice. Our data identify LCN2 as a key regulator of mitochondrial dynamics and further elucidate the mechanisms leading to mitochondrial dysfunction.
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Affiliation(s)
- Eloïse Marques
- Mechanisms and Therapeutic Strategies of Chronic Kidney Disease, INSERM U1151-CNRS UMR 8253, Université Paris Cité, Institut Necker Enfants Malades, 160 Rue de Vaugirard, 75015 Paris, France
| | - Maraiza Alves Teixeira
- Mechanisms and Therapeutic Strategies of Chronic Kidney Disease, INSERM U1151-CNRS UMR 8253, Université Paris Cité, Institut Necker Enfants Malades, 160 Rue de Vaugirard, 75015 Paris, France
| | - Clément Nguyen
- Mechanisms and Therapeutic Strategies of Chronic Kidney Disease, INSERM U1151-CNRS UMR 8253, Université Paris Cité, Institut Necker Enfants Malades, 160 Rue de Vaugirard, 75015 Paris, France
| | - Fabiola Terzi
- Mechanisms and Therapeutic Strategies of Chronic Kidney Disease, INSERM U1151-CNRS UMR 8253, Université Paris Cité, Institut Necker Enfants Malades, 160 Rue de Vaugirard, 75015 Paris, France
| | - Morgan Gallazzini
- Mechanisms and Therapeutic Strategies of Chronic Kidney Disease, INSERM U1151-CNRS UMR 8253, Université Paris Cité, Institut Necker Enfants Malades, 160 Rue de Vaugirard, 75015 Paris, France.
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6
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Schultz DF, Billadeau DD, Jois SD. EGFR trafficking: effect of dimerization, dynamics, and mutation. Front Oncol 2023; 13:1258371. [PMID: 37752992 PMCID: PMC10518470 DOI: 10.3389/fonc.2023.1258371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 08/21/2023] [Indexed: 09/28/2023] Open
Abstract
Spontaneous dimerization of EGF receptors (EGFR) and dysregulation of EGFR signaling has been associated with the development of different cancers. Under normal physiological conditions and to maintain homeostatic cell growth, once EGFR signaling occurs, it needs to be attenuated. Activated EGFRs are rapidly internalized, sorted through early endosomes, and ultimately degraded in lysosomes by a process generally known as receptor down-regulation. Through alterations to EGFR trafficking, tumors develop resistance to current treatment strategies, thus highlighting the necessity for combination treatment strategies that target EGFR trafficking. This review covers EGFR structure, trafficking, and altered surface expression of EGFR receptors in cancer, with a focus on how therapy targeting EGFR trafficking may aid tyrosine kinase inhibitor treatment of cancer.
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Affiliation(s)
| | - Daniel D. Billadeau
- Department of Immunology, Mayo Clinic, Rochester, MN, United States
- Division of Oncology Research, Mayo Clinic, Rochester, MN, United States
| | - Seetharama D. Jois
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States
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7
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Bienaimé F, Muorah M, Metzger M, Broeuilh M, Houiller P, Flamant M, Haymann JP, Vonderscher J, Mizrahi J, Friedlander G, Stengel B, Terzi F. Combining robust urine biomarkers to assess chronic kidney disease progression. EBioMedicine 2023; 93:104635. [PMID: 37285616 DOI: 10.1016/j.ebiom.2023.104635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 04/21/2023] [Accepted: 05/15/2023] [Indexed: 06/09/2023] Open
Abstract
BACKGROUND Urinary biomarkers may improve the prediction of chronic kidney disease (CKD) progression. Yet, data reporting the applicability of most commercial biomarker assays to the detection of their target analyte in urine together with an evaluation of their predictive performance are scarce. METHODS 30 commercial assays (ELISA) were tested for their ability to quantify the target analyte in urine using strict (FDA-approved) validation criteria. In an exploratory analysis, LASSO (Least Absolute Shrinkage and Selection Operator) logistic regression analysis was used to identify potentially complementary biomarkers predicting fast CKD progression, determined as the 51CrEDTA clearance-based measured glomerular filtration rate (mGFR) decline (>10% per year) in a subsample of 229 CKD patients (mean age, 61 years; 66% men; baseline mGFR, 38 mL/min) from the NephroTest prospective cohort. FINDINGS Among the 30 assays, directed against 24 candidate biomarkers, encompassing different pathophysiological mechanisms of CKD progression, 16 assays fulfilled the FDA-approved criteria. LASSO logistic regressions identified a combination of five biomarkers including CCL2, EGF, KIM1, NGAL, and TGF-α that improved the prediction of fast mGFR decline compared to the kidney failure risk equation variables alone: age, gender, mGFR, and albuminuria. Mean area under the curves (AUC) estimated from 100 re-samples was higher in the model with than without these biomarkers, 0.722 (95% confidence interval 0.652-0.795) vs. 0.682 (0.614-0.748), respectively. Fully-adjusted odds-ratios (95% confidence interval) for fast progression were 1.87 (1.22, 2.98), 1.86 (1.23, 2.89), 0.43 (0.25, 0.70), 1.10 (0.71, 1.83), 0.55 (0.33, 0.89), and 2.99 (1.89, 5.01) for albumin, CCL2, EGF, KIM1, NGAL, and TGF-α, respectively. INTERPRETATION This study provides a rigorous validation of multiple assays for relevant urinary biomarkers of CKD progression which combination may improve the prediction of CKD progression. FUNDING This work was supported by Institut National de la Santé et de la Recherche Médicale, Université de Paris, Assistance Publique Hôpitaux de Paris, Agence Nationale de la Recherche, MSDAVENIR, Pharma Research and Early Development Roche Laboratories (Basel, Switzerland), and Institut Roche de Recherche et Médecine Translationnelle (Paris, France).
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Affiliation(s)
- Frank Bienaimé
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France; Service d'Explorations Fonctionnelles, Hôpital Necker Enfants Malades, Assistance Publique-Hôpitaux de Paris, Paris, France.
| | - Mordi Muorah
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France
| | - Marie Metzger
- CESP, Centre de Recherche en Epidémiologie et Santé des Populations, INSERM U1018, Université Paris-Saclay, Villejuif, France
| | - Melanie Broeuilh
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France
| | - Pascal Houiller
- Service d'Explorations Fonctionnelles, Hôpital Européen George Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Martin Flamant
- Service d'Explorations Fonctionnelles, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jean-Philippe Haymann
- Service d'Explorations Fonctionnelles, Hôpital Tenon, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jacky Vonderscher
- Pharma Research and Early Development, Hoffmann-La-Roche Ltd, Basel, France
| | - Jacques Mizrahi
- Pharma Research and Early Development, Hoffmann-La-Roche Ltd, Basel, France
| | - Gérard Friedlander
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France
| | - Bénédicte Stengel
- CESP, Centre de Recherche en Epidémiologie et Santé des Populations, INSERM U1018, Université Paris-Saclay, Villejuif, France
| | - Fabiola Terzi
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France.
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8
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Huang Z, Rui X, Yi C, Chen Y, Chen R, Liang Y, Wang Y, Yao W, Xu X, Huang Z. Silencing LCN2 suppresses oral squamous cell carcinoma progression by reducing EGFR signal activation and recycling. J Exp Clin Cancer Res 2023; 42:60. [PMID: 36899380 PMCID: PMC10007849 DOI: 10.1186/s13046-023-02618-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 02/05/2023] [Indexed: 03/12/2023] Open
Abstract
BACKGROUND EGFR is an important signal involved in tumor growth that can induce tumor metastasis and drug resistance. Exploring targets for effective EGFR regulation is an important topic in current research and drug development. Inhibiting EGFR can effectively inhibit the progression and lymph node metastasis of oral squamous cell carcinoma (OSCC) because OSCC is a type of cancer with high EGFR expression. However, the problem of EGFR drug resistance is particularly prominent, and identifying a new target for EGFR regulation could reveal an effective strategy. METHODS We sequenced wild type or EGFR-resistant OSCC cells and samples from OSCC patients with or without lymph node metastasis to find new targets for EGFR regulation to effectively replace the strategy of directly inhibiting EGFR and exert an antitumor effect. We then investigated the effect of LCN2 on OSCC biological abilities in vitro and in vivo through protein expression regulation. Subsequently, we elucidated the regulatory mechanism of LCN2 through mass spectrometry, protein interaction, immunoblotting, and immunofluorescence analyses. As a proof of concept, a reduction-responsive nanoparticle (NP) platform was engineered for effective LCN2 siRNA (siLCN2) delivery, and a tongue orthotopic xenograft model as well as an EGFR-positive patient-derived xenograft (PDX) model were applied to investigate the curative effect of siLCN2. RESULTS We identified lipocalin-2 (LCN2), which is upregulated in OSCC metastasis and EGFR resistance. Inhibition of LCN2 expression can effectively inhibit the proliferation and metastasis of OSCC in vitro and in vivo by inhibiting EGFR phosphorylation and downstream signal activation. Mechanistically, LCN2 binds EGFR and enhances the recycling of EGFR, thereby activating the EGFR-MEK-ERK cascade. Inhibition of LCN2 effectively inhibited the activation of EGFR. We translated this finding by systemic delivery of siLCN2 by NPs, which effectively downregulated LCN2 in the tumor tissues, thereby leading to a significant inhibition of the growth and metastasis of xenografts. CONCLUSIONS This research indicated that targeting LCN2 could be a promising strategy for the treatment of OSCC.
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Affiliation(s)
- Zixian Huang
- Department of Oral and Maxillofacial Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xi Rui
- Hospital of Stomatology, The First Affiliated Hospital, Jinan University, Guangzhou, China.,Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China
| | - Chen Yi
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yongju Chen
- Department of Oral and Maxillofacial Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Rui Chen
- Department of Oral and Maxillofacial Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yancan Liang
- Department of Stomatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yan Wang
- Department of Oral and Maxillofacial Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Weicheng Yao
- Department of Stomatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xiaoding Xu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China. .,Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China.
| | - Zhiquan Huang
- Department of Oral and Maxillofacial Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China.
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9
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Rashid NS, Boyd DC, Olex AL, Grible JM, Duong AK, Alzubi MA, Altman JE, Leftwich TJ, Valentine AD, Hairr NS, Zboril EK, Smith TM, Pfefferle AD, Dozmorov MG, Harrell JC. Transcriptomic changes underlying EGFR inhibitor resistance in human and mouse models of basal-like breast cancer. Sci Rep 2022; 12:21248. [PMID: 36482068 PMCID: PMC9731984 DOI: 10.1038/s41598-022-25541-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022] Open
Abstract
The goals of this study were to identify transcriptomic changes that arise in basal-like breast cancer cells during the development of resistance to epidermal growth factor receptor inhibitors (EGFRi) and to identify drugs that are cytotoxic once EGFRi resistance occurs. Human patient-derived xenografts (PDXs) were grown in immunodeficient mice and treated with a set of EGFRi; the EGFRi erlotinib was selected for more expansive in vivo studies. Single-cell RNA sequencing was performed on mammary tumors from the basal-like PDX WHIM2 that was treated with vehicle or erlotinib for 9 weeks. The PDX was then subjected to long-term erlotinib treatment in vivo. Through serial passaging, an erlotinib-resistant subline of WHIM2 was generated. Bulk RNA-sequencing was performed on parental and erlotinib-resistant tumors. In vitro high-throughput drug screening with > 500 clinically used compounds was performed on parental and erlotinib-resistant cells. Previously published bulk gene expression microarray data from MMTV-Wnt1 tumors were contrasted with the WHIM2 PDX data. Erlotinib effectively inhibited WHIM2 tumor growth for approximately 4 weeks. Compared to untreated cells, single-cell RNA sequencing revealed that a greater proportion of erlotinib-treated cells were in the G1 phase of the cell cycle. Comparison of WHIM2 and MMTV-Wnt1 gene expression data revealed a set of 38 overlapping genes that were differentially expressed in the erlotinib-resistant WHIM2 and MMTV-Wnt1 tumors. Comparison of all three data types revealed five genes that were upregulated across all erlotinib-resistant samples: IL19, KLK7, LCN2, SAA1, and SAA2. Of these five genes, LCN2 was most abundantly expressed in triple-negative breast cancers, and its knockdown restored erlotinib sensitivity in vitro. Despite transcriptomic differences, parental and erlotinib-resistant WHIM2 displayed similar responses to the majority of drugs assessed for cytotoxicity in vitro. This study identified transcriptomic changes arising in erlotinib-resistant basal-like breast cancer. These data could be used to identify a biomarker or develop a gene signature predictive of patient response to EGFRi. Future studies should explore the predictive capacity of these gene signatures as well as how LCN2 contributes to the development of EGFRi resistance.
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Affiliation(s)
- Narmeen S Rashid
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
- Department of Biology, University of Richmond, Richmond, VA, 23173, USA
| | - David C Boyd
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
- Program in Integrative Life Sciences, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Amy L Olex
- C. Kenneth and Diane Wright Center for Clinical and Translational Research, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Jacqueline M Grible
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Alex K Duong
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Mohammad A Alzubi
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
- Oncology Center-Division of Pediatric Oncology, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Julia E Altman
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Tess J Leftwich
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Aaron D Valentine
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Nicole S Hairr
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Emily K Zboril
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Timothy M Smith
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - Adam D Pfefferle
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, USA
| | - Mikhail G Dozmorov
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA
- Department of Biostatistics, Virginia Commonwealth University, Richmond, VA, 23220, USA
| | - J Chuck Harrell
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, 23220, USA.
- Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, 23220, USA.
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10
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Zhang J, Wang Z, Zhang H, Li S, Li J, Liu H, Cheng Q. The role of lipocalin 2 in brain injury and recovery after ischemic and hemorrhagic stroke. Front Mol Neurosci 2022; 15:930526. [PMID: 36187347 PMCID: PMC9520288 DOI: 10.3389/fnmol.2022.930526] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 08/02/2022] [Indexed: 12/03/2022] Open
Abstract
Ischemic and hemorrhagic stroke (including intracerebral hemorrhage, intraventricular hemorrhage, and subarachnoid hemorrhage) is the dominating cause of disability and death worldwide. Neuroinflammation, blood–brain barrier (BBB) disruption, neuronal death are the main pathological progress, which eventually causes brain injury. Increasing evidence indicated that lipocalin 2 (LCN2), a 25k-Da acute phase protein from the lipocalin superfamily, significantly increased immediately after the stroke and played a vital role in these events. Meanwhile, there exists a close relationship between LCN2 levels and the worse clinical outcome of patients with stroke. Further research revealed that LCN2 elimination is associated with reduced immune infiltrates, infarct volume, brain edema, BBB leakage, neuronal death, and neurological deficits. However, some studies revealed that LCN2 might also act as a beneficial factor in ischemic stroke. Nevertheless, the specific mechanism of LCN2 and its primary receptors (24p3R and megalin) involving in brain injury remains unclear. Therefore, it is necessary to investigate the mechanism of LCN2 induced brain damage after stroke. This review focuses on the role of LCN2 and its receptors in brain injury and aiming to find out possible therapeutic targets to reduce brain damage following stroke.
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Affiliation(s)
- Jingwei Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Changsha, China
| | - Zeyu Wang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Changsha, China
| | - Hao Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Changsha, China
| | - Shuwang Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Jing Li
- Department of Rehabilitation, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Hongwei Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Changsha, China
- Hongwei Liu,
| | - Quan Cheng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Changsha, China
- Clinical Diagnosis and Therapy Center for Glioma of Xiangya Hospital, Central South University, Changsha, China
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Quan Cheng,
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11
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Wan T, Zhu W, Zhao Y, Zhang X, Ye R, Zuo M, Xu P, Huang Z, Zhang C, Xie Y, Liu X. Astrocytic phagocytosis contributes to demyelination after focal cortical ischemia in mice. Nat Commun 2022; 13:1134. [PMID: 35241660 PMCID: PMC8894352 DOI: 10.1038/s41467-022-28777-9] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 02/11/2022] [Indexed: 01/24/2023] Open
Abstract
Ischemic stroke can cause secondary myelin damage in the white matter distal to the primary injury site. The contribution of astrocytes during secondary demyelination and the underlying mechanisms are unclear. Here, using a mouse of distal middle cerebral artery occlusion, we show that lipocalin-2 (LCN2), enriched in reactive astrocytes, expression increases in nonischemic areas of the corpus callosum upon injury. LCN2-expressing astrocytes acquire a phagocytic phenotype and are able to uptake myelin. Myelin removal is impaired in Lcn2−/− astrocytes. Inducing re-expression of truncated LCN2(Δ2–20) in astrocytes restores phagocytosis and leads to progressive demyelination in Lcn2−/− mice. Co-immunoprecipitation experiments show that LCN2 binds to low-density lipoprotein receptor-related protein 1 (LRP1) in astrocytes. Knockdown of Lrp1 reduces LCN2-induced myelin engulfment by astrocytes and reduces demyelination. Altogether, our findings suggest that LCN2/LRP1 regulates astrocyte-mediated myelin phagocytosis in a mouse model of ischemic stroke. Ischemic stroke can cause secondary demyelination. Whether phagocytic astrocytes can contribute to such demyelination is unclear. Here, the authors show that lipocalin-2 (LCN-2) expression increased in astrocytes upon injury. LCN-2 expressing astrocytes acquire a phagocytic phenotype and contribute to secondary demyelination in a mouse model of ischemic stroke.
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Affiliation(s)
- Ting Wan
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China
| | - Wusheng Zhu
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China
| | - Ying Zhao
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China
| | - Xiaohao Zhang
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China
| | - Ruidong Ye
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China
| | - Meng Zuo
- Department of Neurology, Southwest Hospital and the First Affiliated Hospital, Army Medical University, Chongqing, 400000, China
| | - Pengfei Xu
- Stroke Center & Department of Neurology, The Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230036, Anhui, China
| | - Zhenqian Huang
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China
| | - Chunni Zhang
- Department of Clinical Laboratory, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China.
| | - Yi Xie
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China.
| | - Xinfeng Liu
- Department of Neurology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210000, China. .,Stroke Center & Department of Neurology, The Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230036, Anhui, China.
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12
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Cook L, Sengelmann M, Winkler B, Nagl C, Koch S, Schlomann U, Slater EP, Miller MA, von Strandmann EP, Dörsam B, Preußer C, Bartsch JW. ADAM8-Dependent Extracellular Signaling in the Tumor Microenvironment Involves Regulated Release of Lipocalin 2 and MMP-9. Int J Mol Sci 2022; 23:ijms23041976. [PMID: 35216088 PMCID: PMC8875419 DOI: 10.3390/ijms23041976] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 12/11/2022] Open
Abstract
The metalloprotease-disintegrin ADAM8 is critically involved in the progression of pancreatic cancer. Under malignant conditions, ADAM8 is highly expressed and could play an important role in cell–cell communication as expression has been observed in tumor and immune cells of the tumor microenvironment (TME) such as macrophages. To analyze the potential role of ADAM8 in the TME, ADAM8 knockout PDAC tumor cells were generated, and their release of extracellular vesicles (EVs) was analyzed. In EVs, ADAM8 is present as an active protease and associated with lipocalin 2 (LCN2) and matrix metalloprotease 9 (MMP-9) in an ADAM8-dependent manner, as ADAM8 KO cells show a lower abundance of LCN2 and MMP-9. Sorting of ADAM8 occurs independent of TSG101, even though ADAM8 contains the recognition motif PTAP for the ESCRTI protein TSG101 within the cytoplasmic domain (CD). When tumor cells were co-cultured with macrophages (THP-1 cells), expression of LCN2 and MMP-9 in ADAM8 KO cells was induced, suggesting that macrophage signaling can overcome ADAM8-dependent intracellular signaling in PDAC cells. In co-culture with macrophages, regulation of MMP-9 is independent of the M1/M2 polarization state, whereas LCN2 expression is preferentially affected by M1-like macrophages. From these data, we conclude that ADAM8 has a systemic effect in the tumor microenvironment, and its expression in distinct cell types has to be considered for ADAM8 targeting in tumors.
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Affiliation(s)
- Lena Cook
- Department of Neurosurgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany; (L.C.); (M.S.); (B.W.); (C.N.); (S.K.); (U.S.)
| | - Marie Sengelmann
- Department of Neurosurgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany; (L.C.); (M.S.); (B.W.); (C.N.); (S.K.); (U.S.)
| | - Birte Winkler
- Department of Neurosurgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany; (L.C.); (M.S.); (B.W.); (C.N.); (S.K.); (U.S.)
| | - Constanze Nagl
- Department of Neurosurgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany; (L.C.); (M.S.); (B.W.); (C.N.); (S.K.); (U.S.)
| | - Sarah Koch
- Department of Neurosurgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany; (L.C.); (M.S.); (B.W.); (C.N.); (S.K.); (U.S.)
| | - Uwe Schlomann
- Department of Neurosurgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany; (L.C.); (M.S.); (B.W.); (C.N.); (S.K.); (U.S.)
- Department of Visceral Surgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany;
| | - Emily P. Slater
- Department of Visceral Surgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany;
| | - Miles A. Miller
- Center for Systems Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA;
| | - Elke Pogge von Strandmann
- Department of Medicine, Institute for Tumor Immunology, Philipps University Marburg, 35043 Marburg, Germany; (E.P.v.S.); (B.D.); (C.P.)
| | - Bastian Dörsam
- Department of Medicine, Institute for Tumor Immunology, Philipps University Marburg, 35043 Marburg, Germany; (E.P.v.S.); (B.D.); (C.P.)
| | - Christian Preußer
- Department of Medicine, Institute for Tumor Immunology, Philipps University Marburg, 35043 Marburg, Germany; (E.P.v.S.); (B.D.); (C.P.)
| | - Jörg W. Bartsch
- Department of Neurosurgery, Philipps University Marburg, Baldingerstr, 35033 Marburg, Germany; (L.C.); (M.S.); (B.W.); (C.N.); (S.K.); (U.S.)
- Correspondence: ; Tel.: +49-6421-58-61173
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13
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Li Y, Gu Z, Wang J, Wang Y, Chen X, Dong B. The Emerging Role of Bone-Derived Hormones in Diabetes Mellitus and Diabetic Kidney Disease. Front Endocrinol (Lausanne) 2022; 13:938830. [PMID: 35966090 PMCID: PMC9367194 DOI: 10.3389/fendo.2022.938830] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 06/10/2022] [Indexed: 11/13/2022] Open
Abstract
Diabetic kidney disease (DKD) causes the greatest proportion of end-stage renal disease (ESRD)-related mortality and has become a high concern in patients with diabetes mellitus (DM). Bone is considered an endocrine organ, playing an emerging role in regulating glucose and energy metabolism. Accumulating research has proven that bone-derived hormones are involved in glucose metabolism and the pathogenesis of DM complications, especially DKD. Furthermore, these hormones are considered to be promising predictors and prospective treatment targets for DM and DKD. In this review, we focused on bone-derived hormones, including fibroblast growth factor 23, osteocalcin, sclerostin, and lipocalin 2, and summarized their role in regulating glucose metabolism and DKD.
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Affiliation(s)
- Yixuan Li
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zuhua Gu
- Department of Endocrinology and Nephropathy, Weihai Hospital, Weihai, China
| | - Jun Wang
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yangang Wang
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xian Chen
- Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Bingzi Dong, ; Xian Chen,
| | - Bingzi Dong
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Bingzi Dong, ; Xian Chen,
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14
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Dekens DW, Eisel ULM, Gouweleeuw L, Schoemaker RG, De Deyn PP, Naudé PJW. Lipocalin 2 as a link between ageing, risk factor conditions and age-related brain diseases. Ageing Res Rev 2021; 70:101414. [PMID: 34325073 DOI: 10.1016/j.arr.2021.101414] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 12/12/2022]
Abstract
Chronic (neuro)inflammation plays an important role in many age-related central nervous system (CNS) diseases, including Alzheimer's disease, Parkinson's disease and vascular dementia. Inflammation also characterizes many conditions that form a risk factor for these CNS disorders, such as physical inactivity, obesity and cardiovascular disease. Lipocalin 2 (Lcn2) is an inflammatory protein shown to be involved in different age-related CNS diseases, as well as risk factor conditions thereof. Lcn2 expression is increased in the periphery and the brain in different age-related CNS diseases and also their risk factor conditions. Experimental studies indicate that Lcn2 contributes to various neuropathophysiological processes of age-related CNS diseases, including exacerbated neuroinflammation, cell death and iron dysregulation, which may negatively impact cognitive function. We hypothesize that increased Lcn2 levels as a result of age-related risk factor conditions may sensitize the brain and increase the risk to develop age-related CNS diseases. In this review we first provide a comprehensive overview of the known functions of Lcn2, and its effects in the CNS. Subsequently, this review explores Lcn2 as a potential (neuro)inflammatory link between different risk factor conditions and the development of age-related CNS disorders. Altogether, evidence convincingly indicates Lcn2 as a key constituent in ageing and age-related brain diseases.
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Affiliation(s)
- Doortje W Dekens
- Department of Neurology and Alzheimer Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Department of Molecular Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Ulrich L M Eisel
- Department of Molecular Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Leonie Gouweleeuw
- Department of Molecular Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Regien G Schoemaker
- Department of Molecular Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Peter P De Deyn
- Department of Neurology and Alzheimer Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Laboratory of Neurochemistry and Behaviour, Biobank, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Petrus J W Naudé
- Department of Neurology and Alzheimer Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Department of Molecular Neurobiology, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands; Department of Psychiatry and Mental Health and Neuroscience Institute, Brain Behaviour Unit, University of Cape Town, Cape Town, South Africa.
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15
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Hasan MM, Gazi MA, Das S, Fahim SM, Hossaini F, Alam MA, Mahfuz M, Ahmed T. Association of lipocalin-2 and low-density lipoprotein receptor-related protein-1 (LRP1) with biomarkers of environmental enteric dysfunction (EED) among under 2 children in Bangladesh: results from a community-based intervention study. BMJ Paediatr Open 2021; 5:e001138. [PMID: 34423140 PMCID: PMC8340289 DOI: 10.1136/bmjpo-2021-001138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/17/2021] [Indexed: 11/03/2022] Open
Abstract
Background Environmental enteric dysfunction (EED) is thought to occur from persistent intestinal inflammation. Studies also revealed the association of lipocalin-2 (LCN2) and low-density lipoprotein receptor-related protein-1 (LRP1) with intestinal inflammation. Therefore, we intended to explore the relationship of LCN2 and LRP1 with gut inflammation and biomarkers of EED in Bangladeshi malnourished children. Methods A total of 222 children (length-for-age z-score (LAZ) <-1) aged 12-18 months were enrolled in this study in a cross-sectional manner. Among the participants, 115 were stunted (LAZ <-2) and 107 were at risk of being stunted (LAZ -1 to -2) children. Plasma and faecal biomarkers were measured using ELISA. Spearman's rank correlation was done to see the correlation among LCN2, LRP1 and biological biomarkers. Results LCN2 correlates positively with myeloperoxidase (r=0.19, p=0.005), neopterin (r=0.20, p=0.004), calprotectin (r=0.3, p=0.0001), Reg1B (r=0.20, p=0.003) and EED score (r=0.20, p=0.003). Whereas, LRP1 correlates negatively with myeloperoxidase (r = -0.18, p=0.006), neopterin (r = -0.30, p=0.0001), alpha-1-antitrypsin (r = -0.18, p=0.006), Reg1B (r=-0.2, p=0.003) and EED score (r = -0.29, p=0.0001). Conclusions Our findings imply that LCN2 might be a promising biomarker to predict gut inflammation and EED. Whereas, increased level of LRP1 may contribute to alleviating intestinal inflammation.
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Affiliation(s)
- Md. Mehedi Hasan
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Md. Amran Gazi
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Subhasish Das
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Shah Mohammad Fahim
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Farzana Hossaini
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Md. Ashraful Alam
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Mustafa Mahfuz
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
| | - Tahmeed Ahmed
- Nutrition and Clinical Services Division (NCSD), International Centre for Diarrhoeal Disease Research Bangladesh (icddr, b), Dhaka, Bangladesh
- Department of Global Health, University of Washington, Seattle, Washington, USA
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Krizanac M, Mass Sanchez PB, Weiskirchen R, Asimakopoulos A. A Scoping Review on Lipocalin-2 and Its Role in Non-Alcoholic Steatohepatitis and Hepatocellular Carcinoma. Int J Mol Sci 2021; 22:2865. [PMID: 33799862 PMCID: PMC8000927 DOI: 10.3390/ijms22062865] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/05/2021] [Accepted: 03/10/2021] [Indexed: 02/06/2023] Open
Abstract
Excess calorie intake and a sedentary lifestyle have made non-alcoholic fatty liver disease (NAFLD) one of the fastest growing forms of liver disease of the modern world. It is characterized by abnormal accumulation of fat in the liver and can range from simple steatosis and non-alcoholic steatohepatitis (NASH) to cirrhosis as well as development of hepatocellular carcinoma (HCC). Biopsy is the golden standard for the diagnosis and differentiation of all NAFLD stages, but its invasiveness poses a risk for patients, which is why new, non-invasive ways of diagnostics ought to be discovered. Lipocalin-2 (LCN2), which is a part of the lipocalin transport protein family, is a protein formally known for its role in iron transport and in inflammatory response. However, in recent years, its implication in the pathogenesis of NAFLD has become apparent. LCN2 shows significant upregulation in several benign and malignant liver diseases, making it a good candidate for the NAFLD biomarker or even a therapeutic target. What makes LCN2 more interesting to study is the fact that it is overexpressed in HCC development induced by chronic NASH, which is one of the primary causes of cancer-related deaths. However, to this day, neither its role as a biomarker for NAFLD nor the molecular mechanisms of its implication in NAFLD pathogenesis have been completely elucidated. This review aims to gather and closely dissect the current knowledge about, sometimes conflicting, evidence on LCN2 as a biomarker for NAFLD, its involvement in NAFLD, and NAFLD-HCC related pathogenesis, while comparing it to the findings in similar pathologies.
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Affiliation(s)
| | | | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, 52074 Aachen, Germany; (M.K.); (P.B.M.S.)
| | - Anastasia Asimakopoulos
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, 52074 Aachen, Germany; (M.K.); (P.B.M.S.)
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