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van Schaik PEM, Zuhorn IS, Baron W. Targeting Fibronectin to Overcome Remyelination Failure in Multiple Sclerosis: The Need for Brain- and Lesion-Targeted Drug Delivery. Int J Mol Sci 2022; 23:8418. [PMID: 35955549 PMCID: PMC9368816 DOI: 10.3390/ijms23158418] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 11/16/2022] Open
Abstract
Multiple sclerosis (MS) is a neuroinflammatory and neurodegenerative disease with unknown etiology that can be characterized by the presence of demyelinated lesions. Prevailing treatment protocols in MS rely on the modulation of the inflammatory process but do not impact disease progression. Remyelination is an essential factor for both axonal survival and functional neurological recovery but is often insufficient. The extracellular matrix protein fibronectin contributes to the inhibitory environment created in MS lesions and likely plays a causative role in remyelination failure. The presence of the blood-brain barrier (BBB) hinders the delivery of remyelination therapeutics to lesions. Therefore, therapeutic interventions to normalize the pathogenic MS lesion environment need to be able to cross the BBB. In this review, we outline the multifaceted roles of fibronectin in MS pathogenesis and discuss promising therapeutic targets and agents to overcome fibronectin-mediated inhibition of remyelination. In addition, to pave the way for clinical use, we reflect on opportunities to deliver MS therapeutics to lesions through the utilization of nanomedicine and discuss strategies to deliver fibronectin-directed therapeutics across the BBB. The use of well-designed nanocarriers with appropriate surface functionalization to cross the BBB and target the lesion sites is recommended.
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Affiliation(s)
- Pauline E. M. van Schaik
- Section Molecular Neurobiology, Department of Biomedical Sciences of Cells & Systems, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands;
| | - Inge S. Zuhorn
- Department of Biomedical Engineering, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Wia Baron
- Section Molecular Neurobiology, Department of Biomedical Sciences of Cells & Systems, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands;
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Phosphorylation of eIF4E in the stroma drives the production and spatial organisation of collagen type I in the mammary gland. Matrix Biol 2022; 111:264-288. [PMID: 35842012 DOI: 10.1016/j.matbio.2022.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 06/20/2022] [Accepted: 07/12/2022] [Indexed: 12/24/2022]
Abstract
The extracellular matrix (ECM) plays critical roles in breast cancer development. Whether ECM composition is regulated by the phosphorylation of eIF4E on serine 209, an event required for tumorigenesis, has not been explored. Herein, we used proteomics and mouse modelling to investigate the impact of mutating serine 209 to alanine on eIF4E (i.e., S209A) on mammary gland (MG) ECM. The proteomic data have been deposited to the ProteomeXchange Consortium via the PRIDE partner repository with the dataset identifier PXD028953. We discovered that S209A knock-in mice, expressing a non-phosphorylatable form of eIF4E, have less collagen-I deposition in native and tumor-bearing MGs, leading to altered tumor cell invasion. Additionally, phospho-eIF4E-deficiency impacts collagen topology; fibers at the tumor-stroma boundary in phospho-eIF4E-deficient mice run parallel to the tumor edge but radiate outwards in wild-type mice. Finally, a phospho-eIF4E-deficient tumor microenvironment resists anti-PD-1 therapy-induced collagen deposition, correlating with an increased anti-tumor response to immunotherapy. Clinically, we showed that collagen-I and phospho-eIF4E are positively correlated in human breast cancer samples, and that stromal phospho-eIF4E expression is influenced by tumor proximity. Together, our work defines the importance of phosphorylation of eIF4E on S209 as a regulator of MG collagen architecture in the tumor microenvironment, thereby positioning phospho-eIF4E as a therapeutic target to augment response to therapy.
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Pan X, Huang B, Ma Q, Ren J, Liu Y, Wang C, Zhang D, Fu J, Ran L, Yu T, Li H, Wang X, Yang F, Liang C, Zhang Y, Wang S, Ren J, Li W, Wang Y, Xiao B. Circular RNA circ-TNPO3 inhibits clear cell renal cell carcinoma metastasis by binding to IGF2BP2 and destabilizing SERPINH1 mRNA. Clin Transl Med 2022; 12:e994. [PMID: 35876041 PMCID: PMC9309750 DOI: 10.1002/ctm2.994] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 07/05/2022] [Accepted: 07/11/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Clear cell renal cell carcinoma (ccRCC) is a common malignant tumour of the urinary tract. The major causes of poor prognosis are the lack of early diagnosis and metastasis. Accumulating research reveals that circular RNAs (circRNAs) can play key roles in the development and the progression of cancer. However, the role of circRNAs in ccRCC is still uncertain. METHODS The circRNAs microarray (n = 4) was performed to investigate the circRNAs with differential expression in ccRCC tissues. The candidate circRNA was selected based on the cut-off criteria, such as circRNA expression abundance, circRNA size and the design of divergent primers. The circ-transportin-3 (TNPO3) levels in ccRCC tissues were tested by quantitative real-time (qRT)-PCR (n = 110). The characteristics and subcellular localization of circ-TNPO3 were identified via RNase R assay, qRT-PCR and fluorescence in situ hybridization (FISH). Then, we explored the biological roles of circ-TNPO3 in ccRCC via the function experiments in vitro and in vivo. RNA pull-down, RNA immunoprecipitation, bioinformatic analysis, RNA-FISH assays and rescue assays were applied to validate the interactions between circ-TNPO3, insulin-like growth factor 2 mRNA-binding protein 2 (IGF2BP2) and serpin family H member 1 (SERPINH1) to uncover the underlying molecular mechanisms of circ-TNPO3. RESULTS We detected the obvious downregulation of circ-TNPO3 in ccRCC compared to matched adjacent normal tissues (n = 110). The lower circ-TNPO3 expression was found in ccRCC patients with distant metastasis, higher World Health Organization/International Society of Urologic Pathologists (WHO/ISUP) grade and more advanced tumour T stage. In vitro and in vivo, circ-TNPO3 significantly suppressed the proliferation and migration of ccRCC cells. Mechanistically, we elucidated that circ-TNPO3 directly bound to IGF2BP2 protein and then destabilized SERPINH1 mRNA. Moreover, IGF2BP2/SERPINH1 axis was responsible for circ-TNPO3's function of inhibiting ccRCC metastasis. Epithelial splicing regulatory protein 1 (ESRP1) was probably involved in the biogenesis of circ-TNPO3. CONCLUSIONS Circ-TNPO3 can suppress ccRCC progression and metastasis via directly binding to IGF2BP2 protein and destabilizing SERPINH1 mRNA. Circ-TNPO3 may act as a potential target for ccRCC treatment.
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Affiliation(s)
- Xiaojuan Pan
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Bo Huang
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Qiang Ma
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Junwu Ren
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Yuying Liu
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Cong Wang
- Department of UrologySouthwest HospitalArmy Medical UniversityChongqingP. R. China
| | - Dawei Zhang
- Department of UrologySouthwest HospitalArmy Medical UniversityChongqingP. R. China
| | - Jian Fu
- Department of UrologySouthwest HospitalArmy Medical UniversityChongqingP. R. China
| | - Lingyu Ran
- Department of KidneySouthwest HospitalArmy Medical UniversityChongqingP. R. China
| | - Ting Yu
- Department of Clinical LaboratoryThe 89th Hospital of The People's Liberation ArmyWeifangP. R. China
| | - Haiping Li
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Xiaolin Wang
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Feifei Yang
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Ce Liang
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Yuying Zhang
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Shimin Wang
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
| | - Jingjing Ren
- Department of Clinical LaboratoryThe 89th Hospital of The People's Liberation ArmyWeifangP. R. China
| | - Wei Li
- Department of PharmacySouthwest HospitalArmy Medical UniversityChongqingP. R. China
| | - Yongquan Wang
- Department of UrologySouthwest HospitalArmy Medical UniversityChongqingP. R. China
| | - Bin Xiao
- College of PharmacyChongqing Medical UniversityChongqingP. R. China
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Klabnik JL, Christenson LK, Gunewardena SSA, Pohler KG, Rispoli LA, Payton RR, Moorey SE, Neal Schrick F, Edwards JL. Heat-induced increases in body temperature in lactating dairy cows: impact on the cumulus and granulosa cell transcriptome of the periovulatory follicle. J Anim Sci 2022; 100:skac121. [PMID: 35772768 PMCID: PMC9246673 DOI: 10.1093/jas/skac121] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/05/2022] [Indexed: 12/21/2022] Open
Abstract
Cows acutely heat stressed after a pharmacologically induced luteinizing hormone (LH) surge had periovulatory changes in the follicular fluid proteome that may potentiate ovulation and impact oocyte developmental competence. Because the cellular origins of differentially abundant proteins were not known, we have examined the cumulus and granulosa cell transcriptomes from the periovulatory follicle in cows exhibiting varying levels of hyperthermia when occurring after the LH surge. After pharmacological induction of a dominant follicle, lactating dairy cows were administered gonadotropin releasing hormone (GnRH) and maintained in thermoneutral conditions (~67 temperature-humidity index [THI]) or heat stress conditions where THI was steadily increased for ~12 h (71 to 86 THI) and was sufficient to steadily elevate rectal temperatures. Cumulus-oocyte complexes and mural granulosa cells were recovered by transvaginal aspiration of dominant follicle content ~16 h after GnRH. Rectal temperature was used as a continuous, independent variable to identify differentially expressed genes (DEGs) increased or decreased per each 1 °C change in temperature. Cumulus (n = 9 samples) and granulosa (n = 8 samples) cells differentially expressed (false discovery rate [FDR] < 0.05) 25 and 87 genes, respectively. The majority of DEGs were upregulated by hyperthermia. Steady increases in THI are more like the "turning of a dial" than the "flipping of a switch." The moderate but impactful increases in rectal temperature induced modest fold changes in gene expression (<2-fold per 1 °C change in rectal temperature). Identification of cumulus DEGs involved in cell junctions, plasma membrane rafts, and cell-cycle regulation are consistent with marked changes in the interconnectedness and function of cumulus after the LH surge. Depending on the extent to which impacts may be occurring at the junctional level, cumulus changes may have indirect but impactful consequences on the oocyte as it undergoes meiotic maturation. Two granulosa cell DEGs have been reported by others to promote ovulation. Based on what is known, several other DEGs are suggestive of impacts on collagen formation or angiogenesis. Collectively these and other findings provide important insight regarding the extent to which the transcriptomes of the components of the periovulatory follicle (cumulus and mural granulosa cells) are affected by varying degrees of hyperthermia.
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Affiliation(s)
- Jessica L Klabnik
- Department of Animal Science, The University of Tennessee, Institute of Agriculture, AgResearch, Knoxville, TN 37996, USA
| | - Lane K Christenson
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Sumedha S A Gunewardena
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Ky G Pohler
- Present address: Department of Animal Science, Pregnancy and Developmental Programming Area of Excellence, Texas A & M University, College Station, TX 77843, USA
| | - Louisa A Rispoli
- Present address: Center for Conservation and Research of Endangered Wildlife (CREW), Cincinnati Zoo & Botanical Garden, OH 45220, USA
| | - Rebecca R Payton
- Department of Animal Science, The University of Tennessee, Institute of Agriculture, AgResearch, Knoxville, TN 37996, USA
| | - Sarah E Moorey
- Department of Animal Science, The University of Tennessee, Institute of Agriculture, AgResearch, Knoxville, TN 37996, USA
| | - F Neal Schrick
- Department of Animal Science, The University of Tennessee, Institute of Agriculture, AgResearch, Knoxville, TN 37996, USA
| | - J Lannett Edwards
- Department of Animal Science, The University of Tennessee, Institute of Agriculture, AgResearch, Knoxville, TN 37996, USA
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Kawecki F, Gluais M, Claverol S, Dusserre N, McAllister T, L'Heureux N. Inter-donor variability of extracellular matrix production in long-term cultures of human fibroblasts. Biomater Sci 2022; 10:3935-3950. [PMID: 35700514 PMCID: PMC9275472 DOI: 10.1039/d1bm01933c] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Several tissue engineering approaches are based on the ability of mesenchymal cells to endogenously synthesize an extracellular matrix (ECM) in vitro, which can be seen as a form of biomaterial. Accordingly, the inter-donor variability of cell-assembled extracellular matrix (CAM) production is a key parameter to understand in order to progress towards clinical applications, especially for autologous strategies. In this study, CAMs were produced, under good manufacturing process conditions, from skin fibroblasts of 21 patients as part of a clinical trial to evaluate a tissue-engineered vascular graft. The inter-donor variability of CAM strength, thickness, hydroxyproline, and glycosaminoglycan was substantial (coefficient of variability of 33%, 19%, 24%, and 19%, respectively), but a significant correlation was observed between all four properties (Pearson r: 0.43 to 0.70; p-value ≤ 0.05). A CAM matrisome analysis, performed by mass spectrometry, revealed the presence of 70 ECM-related proteins. Our study shows that the relative abundance of 16 proteins (15 non-collagenous) correlated with CAM thickness. These proteins also correlated with CAM hydroxyproline content, as well as 21 other proteins that included fibrillar collagens and non-collagenous proteins. However, data demonstrated that only the relative abundance of type I collagen subunit alpha-1 was correlated to CAM strength. This study is the most extensive evaluation of CAM inter-donor variability to date and will help tissue engineers working with this type of biomaterial to design strategies that take into account this variability, especially for autologous tissue manufacturing. Several tissue engineering approaches are based on the ability of mesenchymal cells to endogenously synthesize an extracellular matrix (ECM) in vitro, which can be seen as a form of biomaterial.![]()
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Affiliation(s)
- Fabien Kawecki
- Univ. Bordeaux, Inserm, BioTis, UMR1026, F-33000 Bordeaux, France.
| | - Maude Gluais
- Univ. Bordeaux, Inserm, BioTis, UMR1026, F-33000 Bordeaux, France.
| | - Stéphane Claverol
- Centre de Génomique Fonctionnelle, Plateforme Protéome, University of Bordeaux, F-33000, Bordeaux, France
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Hu H, Ma J, Li Z, Ding Z, Chen W, Peng Y, Tao Z, Chen L, Luo M, Wang C, Wang X, Li J, Zhong M. CyPA interacts with SERPINH1 to promote extracellular matrix production and inhibit epithelial-mesenchymal transition of trophoblast via enhancing TGF-β/Smad3 pathway in preeclampsia. Mol Cell Endocrinol 2022; 548:111614. [PMID: 35304192 DOI: 10.1016/j.mce.2022.111614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/15/2022] [Accepted: 03/04/2022] [Indexed: 10/18/2022]
Abstract
We previously reported that cyclophilin A (CyPA) production is upregulated in preeclampsia (PE). Moreover, CyPA is known to induce PE-like features in pregnant mice and impair trophoblast invasiveness. In this study, we further illustrated the role of CyPA in PE. RNA-seq analysis, RT-qPCR, immunohistochemical (IHC) staining, and western blotting of mouse placentae revealed that CyPA increased the levels of extracellular matrix (ECM) proteins, such as collagen I and fibronectin, and activated the TGF-β/Smad3 signaling pathway. Additionally, CyPA inhibited the expression of genes involved in epithelial-mesenchymal transition (EMT) (e.g., E-cadherin, N-cadherin, and vimentin) in mouse placentae. We then constructed stable overexpressing and knock-down CyPA cell models (using HTR8/SVneo cells) to clarify the molecular mechanism. We found that CyPA regulated the levels of ECM-related proteins and the EMT process through the TGF-β/Smad3 pathway. We also identified SERPINH1 as a putative CyPA-binding protein, using liquid chromatography-electrospray mass spectrometry (LC-MS)/MS. SERPINH1 was found to be upregulated in the placentae of PE. Silencing SERPINH1 expression reversed the upregulation of ECM proteins and inhibition of the EMT process induced by the overexpression of CyPA. These findings revealed the functions of CyPA in the impaired invasiveness of trophoblasts in PE and indicated that CyPA and SERPINH1 may represent promising targets for the treatment of PE.
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Affiliation(s)
- Haoyue Hu
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jing Ma
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhiju Li
- Department of Epidemiology, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Ziling Ding
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wenqian Chen
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - You Peng
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zixin Tao
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lu Chen
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Manling Luo
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Chichiu Wang
- Department of Obstetrics and Gynecology, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Xuefei Wang
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Jing Li
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Mei Zhong
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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Ferdousy RN, Kadokawa H. Specific locations and amounts of denatured collagen and collagen-specific chaperone HSP47 in the oviducts and uteri of old cows as compared with those of heifers. Reprod Fertil Dev 2022; 34:619-632. [PMID: 35296375 DOI: 10.1071/rd21130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 01/18/2022] [Indexed: 12/22/2022] Open
Abstract
Collagen, the most abundant extra-cellular matrix in oviducts and uteri, performs critical roles in pregnancies. We hypothesised that the locations and amounts of both denatured collagen and the collagen-specific molecular chaperone 47-kDa heat shock protein (HSP47) in the oviducts and uteri of old cows are different compared with those of young heifers because of repeated pregnancies. Since detecting damaged collagen in tissues is challenging, we developed a new method that uses a denatured collagen detection reagent. Then, we compared damaged collagen in the oviducts and uteri between post-pubertal growing nulliparous heifers (22.1±1.0months old) and old multiparous cows (143.1±15.6months old). Further, we evaluated the relationship between denatured collagen and HSP47 by combining this method with fluorescence immunohistochemistry. Picro-sirius red staining showed collagen in almost all parts of the oviducts and uteri. Expectedly, damaged collagen was increased in the oviducts and uteri of old cows. However, damaged collagen and HSP47 were not located in the same area in old cows. The number of fibroblasts increased, suggesting the presence of fibrosis in the oviducts and uteri of old cows. These organs of old cows showed higher HSP47 protein amounts than those of heifers. However, the uteri, but not oviducts, of old cows had lower HSP47 mRNA amounts than those of heifers. These findings revealed the specific location and amounts of denatured collagen and HSP47 in the oviducts and uteri of old cows compared with those of heifers.
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Affiliation(s)
- Raihana Nasrin Ferdousy
- Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi-shi, Yamaguchi-ken 1677-1, Japan
| | - Hiroya Kadokawa
- Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi-shi, Yamaguchi-ken 1677-1, Japan
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Shi R, Zhang Z, Zhu A, Xiong X, Zhang J, Xu J, Sy MS, Li C. Targeting Type I Collagen for Cancer Treatment. Int J Cancer 2022; 151:665-683. [PMID: 35225360 DOI: 10.1002/ijc.33985] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 11/07/2022]
Abstract
Collagen is the most abundant protein in animals. Interactions between tumor cells and collagen influence every step of tumor development. Type I collagen is the main fibrillar collagen in the extracellular matrix and is frequently up-regulated during tumorigenesis. The binding of type I collagen to its receptors on tumor cells promotes tumor cell proliferation, epithelial-mesenchymal transition, and metastasis. Type I collagen also regulates the efficacy of tumor therapies, such as chemotherapy, radiotherapy, and immunotherapy. Furthermore, type I collagen fragments are diagnostic markers of metastatic tumors and have prognostic value. Inhibition of type I collagen synthesis has been reported to have anti-tumor effects in animal models. However, collagen has also been shown to possess anti-tumor activity. Therefore, the roles that type I collagen plays in tumor biology are complex and tumor type-dependent. In this review, we discuss the expression and regulation of synthesis of type I collagen, as well as the role up-regulated type I collagen plays in various stages of cancer progression. We also discuss the role of collagen in tumor therapy. Finally, we highlight several recent approaches targeting type I collagen for cancer treatment. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Run Shi
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong High Education Institute, Guangzhou, China
| | - Zhe Zhang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong High Education Institute, Guangzhou, China
| | - Ankai Zhu
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong High Education Institute, Guangzhou, China
| | - Xingxing Xiong
- Department of Operating Room, Jiangxi Cancer Hospital of Nanchang University, Nanchang, China
| | - Jie Zhang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong High Education Institute, Guangzhou, China
| | - Jiang Xu
- Department of Stomatology, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Man-Sun Sy
- Department of Pathology, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Chaoyang Li
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong High Education Institute, Guangzhou, China
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Nishtala K, Panigrahi T, Shetty R, Kumar D, Khamar P, Mohan RR, Deshpande V, Ghosh A. Quantitative Proteomics Reveals Molecular Network Driving Stromal Cell Differentiation: Implications for Corneal Wound Healing. Int J Mol Sci 2022; 23:ijms23052572. [PMID: 35269714 PMCID: PMC8910342 DOI: 10.3390/ijms23052572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/12/2022] [Accepted: 02/13/2022] [Indexed: 11/16/2022] Open
Abstract
The differentiation of keratocytes to fibroblasts and myofibroblasts is an essential requisite during corneal wound closure. The aim of this study is to uncover factors involved in differentiation-dependent alteration in the protein profile of human corneal stromal cells using quantitative proteomics. Human corneal fibroblasts were cultured and differentiated into keratocytes in serum-free media and myofibroblasts through treatment with TGF-β. The protein cell lysates from the donors were tryptic and were digested and labeled using a 3-plex iTRAQ kit. The labeled peptides were subjected to LCMS analysis. Biological functional analysis revealed a set of crucial proteins involved in the differentiation of human corneal stromal cells which were found to be significantly enriched. The selected proteins were further validated by immunohistochemistry. Quantitative proteomics identified key differentially expressed proteins which are involved in cellular signaling pathways. Proteins involved in integrin signaling (Ras-RAP1b, TLN and FN) and SLIT-ROBO pathways (PFN1, CAPR1, PSMA5) as well as extracellular matrix proteins (SERPINH1, SPARC, ITGβ1, CRTAP) showed enhanced expression in corneal fibroblasts and myofibroblasts compared to keratocytes, indicating their possible role in wound healing. Corneal stromal cell differentiation is associated with the activation of diverse molecular pathways critical for the repair of fibroblasts and myofibroblasts. Identified proteins such as profilin 1 and talin could play a tentative role in corneal healing and serve as a potential target to treat corneal fibrosis.
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Affiliation(s)
- Krishnatej Nishtala
- GROW Research Laboratory, Narayana Nethralaya Foundation, Bangalore 560099, India; (K.N.); (T.P.); (D.K.)
| | - Trailokyanath Panigrahi
- GROW Research Laboratory, Narayana Nethralaya Foundation, Bangalore 560099, India; (K.N.); (T.P.); (D.K.)
| | - Rohit Shetty
- Cornea and Refractive Services, Narayana Nethralaya, Bangalore 560010, India; (R.S.); (P.K.)
| | - Dhanananajay Kumar
- GROW Research Laboratory, Narayana Nethralaya Foundation, Bangalore 560099, India; (K.N.); (T.P.); (D.K.)
| | - Pooja Khamar
- Cornea and Refractive Services, Narayana Nethralaya, Bangalore 560010, India; (R.S.); (P.K.)
| | - Rajiv R. Mohan
- Harry S. Truman Memorial Veterans’ Hospital, Columbia, MO 65201, USA;
- Department of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO 65212, USA
- College of Veterinary Medicine, University of Missouri, Columbia, MO 65211, USA
- Mason Eye Institute, School of Medicine, University of Missouri, Columbia, MO 65201, USA
| | - Vrushali Deshpande
- GROW Research Laboratory, Narayana Nethralaya Foundation, Bangalore 560099, India; (K.N.); (T.P.); (D.K.)
- Correspondence: (V.D.); (A.G.)
| | - Arkasubhra Ghosh
- GROW Research Laboratory, Narayana Nethralaya Foundation, Bangalore 560099, India; (K.N.); (T.P.); (D.K.)
- Correspondence: (V.D.); (A.G.)
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Glasgow JE, Byrnes JR, Barbee SD, Moreau JM, Rosenblum MD, Wells JA. Identifying and antagonizing the interactions between layilin and glycosylated collagens. Cell Chem Biol 2022; 29:597-604.e7. [PMID: 35104453 DOI: 10.1016/j.chembiol.2022.01.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 10/19/2021] [Accepted: 01/06/2022] [Indexed: 11/03/2022]
Abstract
Layilin is a small type I transmembrane receptor thought to bridge extracellular ligands with the cytoskeleton through its intracellular interactions with the scaffolding protein talin. Recent bulk- and single-cell RNA sequencing experiments have repeatedly found layilin to be highly upregulated in key T cell sub-populations in multiple disease states, suggesting its importance to the adaptive immune response. Despite this prevalence, little is known about layilin's precise role in mediating extracellular interactions or how these interactions can be modulated in disease states. Here we take advantage of layilin's dependence on calcium ions to discover its interactions with highly glycosylated type II, IV, V, and VI collagens. Toward exploring layilin's role in disease, we exploited the Ca2+ dependence in a differential phage display strategy to engineer species cross-reactive antibodies that block this interaction.
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Affiliation(s)
- Jeff E Glasgow
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - James R Byrnes
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | | | - Joshua M Moreau
- Department of Dermatology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Michael D Rosenblum
- Department of Dermatology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - James A Wells
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA; Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, CA 94158, USA.
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Rusu-Nastase EG, Lupan AM, Marinescu CI, Neculachi CA, Preda MB, Burlacu A. MiR-29a Increase in Aging May Function as a Compensatory Mechanism Against Cardiac Fibrosis Through SERPINH1 Downregulation. Front Cardiovasc Med 2022; 8:810241. [PMID: 35118144 PMCID: PMC8804242 DOI: 10.3389/fcvm.2021.810241] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 12/17/2021] [Indexed: 12/13/2022] Open
Abstract
Deregulation of microRNA (miRNA) profile has been reportedly linked to the aging process, which is a dominant risk factor for many pathologies. Among the miRNAs with documented roles in aging-related cardiac diseases, miR-18a, -21a, -22, and -29a were mainly associated with hypertrophy and/or fibrosis; however, their relationship to aging was not fully addressed before. The purpose of this paper was to evaluate the variations in the expression levels of these miRNAs in the aging process. To this aim, multiple organs were harvested from young (2–3-months-old), old (16–18-months-old), and very old (24–25-months-old) mice, and the abundance of the miRNAs was evaluated by quantitative real-time (RT)-PCR. Our studies demonstrated that miR-21a, miR-22, and miR-29a were upregulated in the aged heart. Among them, miR-29a was highly expressed in many other organs, i.e., the brain, the skeletal muscle, the pancreas, and the kidney, and its expression was further upregulated during the natural aging process. Western blot, immunofluorescence, and xCELLigence analyses concurrently indicated that overexpression of miR-29a in the muscle cells decreased the collagen levels as well as cell migration and proliferation. Computational prediction analysis and overexpression studies identified SERPINH1, a specific chaperone of procollagens, as a potential miR-29a target. Corroborating to this, significantly downregulated SERPINH1 levels were found in the skeletal muscle, the heart, the brain, the kidney, and the pancreas harvested from very old animals, thereby indicating the role of the miR-29a-SERPINH1 axis in the aging process. In vitro analysis of miR-29a effects on fibroblast and cardiac muscle cells pointed toward a protective role of miR-29a on aging-related fibrosis, by reducing cell migration and proliferation. In conclusion, our study indicates an adaptive increase of miR-29 in the natural aging process and suggests its role as a transcriptional repressor of SERPINH1, with a potential therapeutic value against adverse matrix remodeling and aging-associated tissue fibrosis.
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Li M, Huang S, Zhang Y, Song Z, Fu H, Lin Z, Huang X. Regulation of the unfolded protein response transducer IRE1α by SERPINH1 aggravates periodontitis with diabetes mellitus via prolonged ER stress. Cell Signal 2022; 91:110241. [PMID: 34998932 DOI: 10.1016/j.cellsig.2022.110241] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 12/31/2021] [Accepted: 12/31/2021] [Indexed: 12/18/2022]
Abstract
The hyperglycemic microenvironment induced by diabetes mellitus aggravates the inflammatory response, in which the IRE1α signal transduction pathway of the unfolded protein response (UPR) participates. However, the mechanism by which hyperglycemia regulates the IRE1α signaling pathway and affects endoplasmic reticulum (ER) homeostasis in human gingival epithelium in periodontitis with diabetes mellitus remains unknown. Our current data provide evidence that diabetes mellitus causes a hyperinflammatory response in the gingival epithelium, which accelerates periodontal inflammation. Next, we assessed UPR-IRE1α signaling in periodontitis with diabetes mellitus by examining human clinical gingival epithelium samples from healthy subjects, subjects with periodontitis and subjects with periodontitis with diabetes mellitus and by in vitro challenge of human epithelial cells with a hyperglycemic microenvironment. The results showed that a hyperglycemic microenvironment inhibited the IRE1α/XBP1 axis, decreased the expression of a UPR target gene (GRP78), and ultimately impaired the UPR, causing ER stress to be prolonged or more severe in human gingival epithelium. Subsequently, RNA sequencing (RNA-seq) data was analyzed to investigate the expression of ER-related genes in human gingival epithelium. Experiments verified that the mechanism by which periodontitis is aggravated in individuals with diabetes mellitus may involve decreased SERPINH1 expression. Furthermore, experiments in SERPINH1-knockdown and SERPINH1-overexpression models established in vitro indicated that SERPINH1 might act as an activator of IRE1α, maintaining human gingival epithelium homeostasis and reducing proinflammatory cytokine expression by preventing prolonged ER stress induced by high-glucose conditions. In conclusion, regulation of the UPR transducer IRE1α by SERPINH1 alleviates periodontitis with diabetes mellitus by mitigating prolonged ER stress. This finding provides evidence for the further study of periodontitis with diabetes mellitus.
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Affiliation(s)
- Mengdi Li
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Shuheng Huang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Yong Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Zhi Song
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Haijun Fu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Zhengmei Lin
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Xin Huang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
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Ferdousy RN, Kadokawa H. Anti-Müllerian hormone stimulates expression of the collagen-specific chaperone 47-kDa heat shock protein in bovine uterine epithelial cells. Anim Sci J 2022; 93:e13787. [PMID: 36507591 DOI: 10.1111/asj.13787] [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: 08/26/2022] [Revised: 10/25/2022] [Accepted: 11/07/2022] [Indexed: 12/14/2022]
Abstract
Uterine collagen is the most abundant component of the uterine extracellular matrix and plays a critical role in pregnancy. The 47-kDa heat shock protein (HSP47) is the sole collagen-specific molecular chaperone. We investigated the mechanisms regulating the expression of HSP47 in the uterus by assessing the effect of anti-Müllerian hormone (AMH) stimulation on HSP47 expression in cultured bovine uterine epithelial cells. AMH receptor type 2 (AMHR2), AMH, and HSP47 expression was assessed by fluorescence immunocytochemistry in uterine epithelial layers of the uteri of Japanese Black cows. The effect of AMH on HSP47 expression was assessed in cultured epithelial cells. The effect of MEK/ERK inhibitor on AMH-induced HSP47 expression was also assessed. We confirmed the expression of AMHR2, AMH, and HSP47 in the uterine epithelial layers. We confirmed the expression of AMHR2, AMH, HSP47, and type IV collagen in cultured uterine epithelial cells. AMH treatment at 10 or 100 ng/ml promoted significant HSP47 expression (p < 0.05). MEK/ERK inhibitor U0126 pretreatment suppressed such AMH stimulation on HSP47. These findings indicate that AMH induced HSP47 protein expression through the ERK pathway in bovine uterine epithelial cells.
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Affiliation(s)
| | - Hiroya Kadokawa
- Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
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Lehmann TP, Guderska U, Kałek K, Marzec M, Urbanek A, Czernikiewicz A, Sąsiadek M, Karpiński P, Pławski A, Głowacki M, Jagodziński PP. The Regulation of Collagen Processing by miRNAs in Disease and Possible Implications for Bone Turnover. Int J Mol Sci 2021; 23:91. [PMID: 35008515 PMCID: PMC8745169 DOI: 10.3390/ijms23010091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/15/2022] Open
Abstract
This article describes several recent examples of miRNA governing the regulation of the gene expression involved in bone matrix construction. We present the impact of miRNA on the subsequent steps in the formation of collagen type I. Collagen type I is a main factor of mechanical bone stiffness because it constitutes 90-95% of the organic components of the bone. Therefore, the precise epigenetic regulation of collagen formation may have a significant influence on bone structure. We also describe miRNA involvement in the expression of genes, the protein products of which participate in collagen maturation in various tissues and cancer cells. We show how non-collagenous proteins in the extracellular matrix are epigenetically regulated by miRNA in bone and other tissues. We also delineate collagen mineralisation in bones by factors that depend on miRNA molecules. This review reveals the tissue variability of miRNA regulation at different levels of collagen maturation and mineralisation. The functionality of collagen mRNA regulation by miRNA, as proven in other tissues, has not yet been shown in osteoblasts. Several collagen-regulating miRNAs are co-expressed with collagen in bone. We suggest that collagen mRNA regulation by miRNA could also be potentially important in bone metabolism.
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Affiliation(s)
- Tomasz P. Lehmann
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Urszula Guderska
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Klaudia Kałek
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Maria Marzec
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Agnieszka Urbanek
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Alicja Czernikiewicz
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
| | - Maria Sąsiadek
- Department of Genetics, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.S.); (P.K.)
| | - Paweł Karpiński
- Department of Genetics, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.S.); (P.K.)
| | - Andrzej Pławski
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland;
| | - Maciej Głowacki
- Department of Paediatric Orthopaedics and Traumatology, Poznan University of Medical Sciences, 61-545 Poznan, Poland;
| | - Paweł P. Jagodziński
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (U.G.); (K.K.); (M.M.); (A.U.); (A.C.); (P.P.J.)
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Kwon SH, Na JI, Huh CH, Park KC. A Clinical and Biochemical Evaluation of a Temperature-Controlled Continuous Non-Invasive Radiofrequency Device for the Treatment of Melasma. Ann Dermatol 2021; 33:522-530. [PMID: 34858003 PMCID: PMC8577901 DOI: 10.5021/ad.2021.33.6.522] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 01/09/2023] Open
Abstract
Background Melasma shows characteristic histological features of photoaged skin. Objective We evaluated the effect of dermal rejuvenation using a temperature-controlled continuous non-invasive radiofrequency (RF) device on melasma. Methods Continuous skin heating at the temperature of 43°C for 20 minutes was performed in ten subjects with melasma who underwent 3 tri-weekly RF sessions. Pigmentation was evaluated with Mexameter® and investigator’s global assessment (IGA). Immunohistochemical staining and image analysis was performed to evaluate biopsies from melasma skin before and after the treatment. Results The lesional melanin index was decreased by 13.7% at week 9. IGA score was improved from 3.50 at baseline to 2.95 at week 9. No significant adverse event was reported. Histologic analysis revealed reduced melanin and increased collagen density and thickness. The expression of procollagen-1 and type IV collagen was increased after the treatment. The number of p16INK4A-positive senescent fibroblasts was reduced after the treatment, while the expression of heat shock protein 70 and 90 was increased. Stromal derived factor-1, a senescence-associated anti-melanogenic factor secreted from the fibroblasts, was up-regulated after the treatment, while the level of c-kit was not changed. Conclusion Thermal skin stimulation by the temperature-controlled continuous RF device improved melasma through dermal rejuvenation.
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Affiliation(s)
- Soon-Hyo Kwon
- Department of Dermatology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea
| | - Jung-Im Na
- Department of Dermatology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Chang-Hun Huh
- Department of Dermatology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Kyoung-Chan Park
- Department of Dermatology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
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Yang H, Xu F, Xiao K, Chen Y, Tian Z. N-Glycoproteomics Study of Putative N-Glycoprotein Biomarkers of Drug Resistance in MCF-7/ADR Cells. PHENOMICS (CHAM, SWITZERLAND) 2021; 1:269-284. [PMID: 36939756 PMCID: PMC9590513 DOI: 10.1007/s43657-021-00029-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 09/29/2021] [Accepted: 10/08/2021] [Indexed: 01/13/2023]
Abstract
Currently, drug resistance of anti-cancer therapy has become the main cause of low survival rate and poor prognosis. Full understanding of drug resistance mechanisms is an urgent request for further development of anti-cancer therapy and improvement of prognosis. Here we present our N-glycoproteomics study of putative N-glycoprotein biomarkers of drug resistance in doxorubicin resistance breast cancer cell line michigan cancer foundation-7 (MCF-7/ADR) relative to parental michigan cancer foundation-7 (MCF-7) cells. Intact N-glycopeptides (IDs) from MCF-7/ADR and MCF-7 cells were enriched with zwitterionic hydrophilic interaction liquid chromatography (ZIC-HILIC), labeled with stable isotopic diethylation (SIDE), and analyzed with C18-RPLC-MS/MS (HCD with stepped normalized collision energies); these IDs were identified with database search engine GPSeeker, and the differentially expressed intact N-glycopeptides (DEGPs) were quantified with GPSeekerQuan. With target-decoy searches and control of spectrum-level FDR ≤ 1%, 322 intact N-glycopeptides were identified; these intact N-glycopeptides come from the combination of 249 unique peptide backbones (corresponding to 234 intact N-glycoproteins) and 90 monosaccharide compositions (corresponding to 248 putative N-glycosites). The sequence structures of 165 IDs were confirmed with structure-diagnostic fragment ions. With the criteria of observation at least twice among the three technical replicates, ≥ 1.5-fold change and p value < 0.05, 20 DEGPs were quantified, where five of them were up-regulated and 15 of them were down-regulated; the corresponding intact N-glycoproteins as putative markers of drug resistance were discussed. Supplementary Information The online version contains supplementary material available at 10.1007/s43657-021-00029-8.
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Affiliation(s)
- Hailun Yang
- grid.24516.340000000123704535Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Feifei Xu
- grid.89957.3a0000 0000 9255 8984School of Pharmacy, Nanjing Medical University, Nanjing, 211166 China
| | - Kaijie Xiao
- grid.24516.340000000123704535Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Yun Chen
- grid.89957.3a0000 0000 9255 8984School of Pharmacy, Nanjing Medical University, Nanjing, 211166 China
| | - Zhixin Tian
- grid.24516.340000000123704535Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
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Lønsmann I, Gudmann NS, Manon-Jensen T, Thiele M, Moreno YM, Langholm LL, Nielsen MJ, Detlefsen S, Karsdal MA, Krag AA, Leeming DJ. Serologically assessed heat shock protein 47 is related to fibrosis stage in early compensated alcohol-related liver disease. Clin Biochem 2021; 104:36-43. [DOI: 10.1016/j.clinbiochem.2021.12.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/27/2021] [Accepted: 12/14/2021] [Indexed: 12/31/2022]
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Manoilov KY, Ghosh A, Almo SC, Verkhusha VV. Structural and Functional Characterization of a Biliverdin-Binding Near-Infrared Fluorescent Protein From the Serpin Superfamily. J Mol Biol 2021; 434:167359. [PMID: 34798132 DOI: 10.1016/j.jmb.2021.167359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 11/06/2021] [Accepted: 11/10/2021] [Indexed: 11/17/2022]
Abstract
Biliverdin-binding serpins (BBSs) are proteins that are responsible for coloration in amphibians and fluoresce in the near-infrared (NIR) spectral region. Here we produced the first functional recombinant BBS of the polka-dot treefrog Boana punctata (BpBBS), assembled with its biliverdin (BV) chromophore, and report its biochemical and photochemical characterization. We determined the crystal structure of BpBBS at 2.05 Å resolution, which demonstrated its structural homology to the mammalian protease inhibitor alpha-1-antitrypsin. BV interaction with BpBBS was studied and it was found that the N-terminal polypeptide (residues 19-50) plays a critical role in the BV binding. By comparing BpBBS with the available NIR fluorescent proteins and expressing it in mammalian cells, we demonstrated its potential as a NIR imaging probe. These results provide insight into the non-inhibitory function of serpins, provide a basis for improving their performance in mammalian cells, and suggest possible paths for the development of BBS-based fluorescent probes.
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Affiliation(s)
- Kyrylo Yu Manoilov
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Agnidipta Ghosh
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, NY 10461, USA. https://twitter.com/@AgniGh0sh
| | - Steven C Almo
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Vladislav V Verkhusha
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00290, Finland; Science Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi 354340, Russia.
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69
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Delgado Caceres M, Angerpointner K, Galler M, Lin D, Michel PA, Brochhausen C, Lu X, Varadarajan AR, Warfsmann J, Stange R, Alt V, Pfeifer CG, Docheva D. Tenomodulin knockout mice exhibit worse late healing outcomes with augmented trauma-induced heterotopic ossification of Achilles tendon. Cell Death Dis 2021; 12:1049. [PMID: 34741033 PMCID: PMC8571417 DOI: 10.1038/s41419-021-04298-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 10/05/2021] [Accepted: 10/07/2021] [Indexed: 12/23/2022]
Abstract
Heterotopic ossification (HO) represents a common problem after tendon injury with no effective treatment yet being developed. Tenomodulin (Tnmd), the best-known mature marker for tendon lineage cells, has important effects in tendon tissue aging and function. We have reported that loss of Tnmd leads to inferior early tendon repair characterized by fibrovascular scaring and therefore hypothesized that its lack will persistently cause deficient repair during later stages. Tnmd knockout (Tnmd-/-) and wild-type (WT) animals were subjected to complete Achilles tendon surgical transection followed by end-to-end suture. Lineage tracing revealed a reduction in tendon-lineage cells marked by ScleraxisGFP, but an increase in alpha smooth muscle actin myofibroblasts in Tnmd-/- tendon scars. At the proliferative stage, more pro-inflammatory M1 macrophages and larger collagen II cartilaginous template were detected in this group. At the remodeling stage, histological scoring revealed lower repair quality in the injured Tnmd-/- tendons, which was coupled with higher HO quantified by micro-CT. Tendon biomechanical properties were compromised in both groups upon injury, however we identified an abnormal stiffening of non-injured Tnmd-/- tendons, which possessed higher static and dynamic E-moduli. Pathologically thicker and abnormally shaped collagen fibrils were observed by TEM in Tnmd-/- tendons and this, together with augmented HO, resulted in diminished running capacity of Tnmd-/- mice. These novel findings demonstrate that Tnmd plays a protecting role against trauma-induced endochondral HO and can inspire the generation of novel therapeutics to accelerate repair.
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Affiliation(s)
- Manuel Delgado Caceres
- Experimental Trauma Surgery, Department of Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany
| | - Katharina Angerpointner
- Hand, Elbow and Plastic Surgery Department, Schön Klinik München Harlaching, Munich, Germany
| | - Michael Galler
- Department of Trauma Surgery, Caritas Hospital St. Josef, Regensburg, Germany
| | - Dasheng Lin
- Orthopaedic Center of People's Liberation Army, The Affiliated Southeast Hospital of Xiamen University, Zhangzhou, China
| | - Philipp A Michel
- Department of Trauma-, Hand-, and Reconstructive Surgery, University Hospital Münster, Münster, Germany
| | | | - Xin Lu
- Division of Personalized Tumor Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, Regensburg, Germany
| | - Adithi R Varadarajan
- Division of Personalized Tumor Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, Regensburg, Germany
| | - Jens Warfsmann
- Division of Personalized Tumor Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, Regensburg, Germany
| | - Richard Stange
- Department of Regenerative Musculoskeletal Medicine, Institute for Musculoskeletal Medicine, University Hospital Münster, Westfälische Wilhelms-University, Münster, Germany
| | - Volker Alt
- Experimental Trauma Surgery, Department of Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany
- Clinic and Policlinic for Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany
| | - Christian G Pfeifer
- Experimental Trauma Surgery, Department of Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany
- Clinic and Policlinic for Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany
| | - Denitsa Docheva
- Experimental Trauma Surgery, Department of Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany.
- Department of Musculoskeletal Tissue Regeneration, Orthopaedic Hospital König-Ludwig-Haus, University of Würzburg, Würzburg, Germany.
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Sun X, Chen C, Liu H, Tang S. High glucose induces HSP47 expression and promotes the secretion of inflammatory factors through the IRE1α/XBP1/HIF-1α pathway in retinal Müller cells. Exp Ther Med 2021; 22:1411. [PMID: 34676004 DOI: 10.3892/etm.2021.10847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 07/28/2021] [Indexed: 11/05/2022] Open
Abstract
Diabetic retinopathy, a common complication of diabetes, is the leading cause of blindness globally. Müller cells are key players in diabetes-associated retinal inflammation and dysfunction. However, the pathological changes of Müller cells in response to high glucose (HG) and the underlying mechanism remain unclear. The aim of the present study was to investigate the key role of heat shock protein 47 (HSP47) in HG-induced unfolded protein and inflammatory responses. Primary mouse Müller cells were starved in serum-free DMEM overnight and then treated with HG (30 mM) for 0, 6, 12 or 24 h. It was observed that HG (30 mM) significantly induced the protein expression of HSP47, inositol-requiring transmembrane kinase and endonuclease-1α (IRE1α) and spliced X-box-binding protein 1 (XBP1s) in primary mouse Müller cells compared with the untreated group. In addition, the immunoprecipitation results revealed that HSP47 directly interacted with IRE1α, and this interaction was significantly enhanced by HG exposure for 12 or 24 h compared with the untreated group. Furthermore, small interfering RNA-mediated silencing of HSP47 significantly suppressed HG-induced activation of the IRE1α/XBP1s/hypoxia inducible factor-1 subunit α (HIF-1α) pathway and upregulation of the mRNA expression levels of the inflammatory cytokines vascular endothelial growth factor, platelet-derived growth factor subunit B, inducible nitric oxide synthase and angiopoietin-2 in Müller cells. Furthermore, overexpression of IRE1α or HIF-1α partially attenuated HSP47-siRNA-mediated inhibition of inflammatory cytokine expression in Müller cells. Collectively, these results indicated that HG may induce HSP47 expression and promote the inflammatory response through enhancing the interaction between HSP47 and IRE1α, and activating the IRE1α/XBP1s/HIF-1α pathway in retinal Müller cells.
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Affiliation(s)
- Xincheng Sun
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China.,Department of Ophthalmology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China
| | - Chen Chen
- Department of Ophthalmology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China
| | - Hu Liu
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shaowen Tang
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, P.R. China
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Kubota S, Promkhun K, Sinpru P, Suwanvichanee C, Molee W, Molee A. RNA Profiles of the Korat Chicken Breast Muscle with Increased Carnosine Content Produced through Dietary Supplementation with β-Alanine or L-Histidine. Animals (Basel) 2021; 11:ani11092596. [PMID: 34573562 PMCID: PMC8464878 DOI: 10.3390/ani11092596] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/28/2021] [Accepted: 08/31/2021] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Carnosine is a bioactive food component with several potential health benefits for humans due to its physiological functions. Dietary supplementation with β-alanine or L-histidine can increase the carnosine content of skeletal muscles in chickens. Dietary supplementation with β-alanine or L-histidine has produced a slow-growing chicken variety with high carnosine content in the breast meat; however, the supplementation with L-histidine alone softens the meat toughness, which may affect consumers’ willingness to buy the meat. Gene expression is a key factor that influences meat quality. Understanding the molecular mechanisms that affect carnosine content and meat toughness would allow the production of more value-added slow-growing chickens. We compared global gene expression in chicken breast muscles with differing carnosine contents and meat toughness produced through dietary supplementation with β-alanine or L-histidine. We identified differentially expressed genes involved in regulating myosin, collagen, intramuscular fat, and calpain—factors that may affect meat tenderness. Pathway enrichment analysis indicated that the insulin-related and adipocytokine signaling pathways were altered by dietary supplementation with β-alanine or L-histidine. These data will be useful for future studies on carnosine content and meat toughness in slow-growing chickens. Abstract Korat chicken (KRC) is a slow-growing chicken bred in Thailand, whose meat exhibits a unique toughness. A previous study produced KRC breast meat containing high carnosine content through dietary supplementation with β-alanine or L-histidine; however, the KRC that were fed an L-histidine-supplemented diet produced meat that was significantly more tender. Herein, we performed RNA-Seq to identify candidate genes involved in the regulation of carnosine content and meat toughness. Total RNA was isolated from five female KRC breast muscles in each treatment group that KRC fed diets without supplementation, supplemented with β-alanine or L-histidine. Compared to the non-supplemented group, we identified 118 and 198 differentially expressed genes (DEGs) in the β-alanine or L-histidine supplementation groups, respectively. Genes potentially related to meat tenderness—i.e., those regulating myosin, collagen, intramuscular fat, and calpain—were upregulated (LOC107051274, ACSBG1, and CAPNS2) and downregulated (MYO7B, MYBPH, SERPINH1, and PGAM1). However, carnosine synthase gene was not identified. Functional enrichment analysis identified pathways affected by dietary supplementation, including the insulin signaling pathway (β-alanine supplementation) and the insulin resistance and adipocytokine signaling pathways (L-histidine supplementation). The FoxO signaling pathway was identified as a regulatory network for both supplementation groups. The identified genes can be used as molecular markers of meat tenderness in slow-growing chickens.
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Endoplasmic reticulum stress: Multiple regulatory roles in hepatocellular carcinoma. Biomed Pharmacother 2021; 142:112005. [PMID: 34426262 DOI: 10.1016/j.biopha.2021.112005] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/25/2021] [Accepted: 08/01/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Endoplasmic reticulum (ER) stress is a basic cellular stress response that maintains cellular protein homeostasis under endogenous or exogenous stimuli, which depends on the stimulus, its intensity, and action time. The ER produces a corresponding cascade reaction for crosstalk of adaptive and/or pro-death regulation with other organelles. Hepatocellular carcinoma(HCC) is one of the most common malignant solid tumors with an extremely poor prognosis. Viral hepatitis infection, cirrhosis, and steatohepatitis are closely related to the occurrence and development of HCC, and ER stress has gradually been shown to be a major mechanism. Moreover, an increasing need for protein and lipid products and relative deficiencies of oxygen and nutrients for rapid proliferation and endoplasmic reticulum stress are undoubtedly involved. Therefore, to fully and comprehensively understand the regulatory role of endoplasmic reticulum stress in the occurrence and progression of HCC is of vital importance to explore its pathogenesis and develop novel anti-cancer strategies. METHODOLOGY We searched for relevant publications in the PubMed databases using the keywords "Endoplasmic reticulum stress", "hepatocellular carcinoma" in last five years,and present an overview of the current knowledge that links ER stress and HCC, which includes carcinogenesis, progression, and anti-cancer strategies, and propose directions of future research. RESULT ER stress were confirmed to be multiple regulators or effectors of cancer, which also be confirmed to drive tumorigenesis and progression of HCC. Targeting ER stress signaling pathway and related molecules could play a critical role for anti-HCC and has become a research hotspot for anti-cancer in recent years. CONCLUSION ER stress are critical for the processes of the tumorigenesis and progression of tumors. For HCC, ER stress was associated with tumorigenesis, development, metastasis, angiogenesis and drug resistance, targeting ER stress has emerged as a potential anti-tumor strategy.
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Cai H, Sasikumar P, Little G, Bihan D, Hamaia SW, Zhou A, Gibbins JM, Farndale RW. Identification of HSP47 Binding Site on Native Collagen and Its Implications for the Development of HSP47 Inhibitors. Biomolecules 2021; 11:biom11070983. [PMID: 34356607 PMCID: PMC8301893 DOI: 10.3390/biom11070983] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 12/19/2022] Open
Abstract
HSP47 (heat shock protein 47) is a collagen-specific molecular chaperone that is essential for procollagen folding and function. Previous studies have shown that HSP47 binding requires a critical Arg residue at the Y position of the (Gly-Xaa-Yaa) repeats of collagen; however, the exact binding sites of HSP47 on native collagens are not fully defined. To address this, we mapped the HSP47 binding sites on collagens through an ELISA binding assay using collagen toolkits, synthetic collagen peptides covering the entire amino acid sequences of collagen types II and III assembled in triple-helical conformation. Our results showed that HSP47 binds to only a few of the GXR motifs in collagen, with most of the HSP47 binding sites identified located near the N-terminal part of the triple-helical region. Molecular modelling and binding energy calculation indicated that residues flanking the key Arg in the collagen sequence also play an important role in defining the high-affinity HSP47 binding site of collagen. Based on this binding mode of HSP47 to collagen, virtual screening targeting both the Arg binding site and its neighboring area on the HSP47 surface, and a subsequent bioassay, we identified two novel compounds with blocking activity towards HSP47 binding of collagen. Overall, our study revealed the native HSP47 binding sites on collagen and provided novel information for the design of small-molecule inhibitors of HSP47.
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Affiliation(s)
- Haiyan Cai
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Department of Pathophysiology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China; (H.C.); (A.Z.)
| | - Parvathy Sasikumar
- Institute for Cardiovascular & Metabolic Research, School of Biological Sciences, University of Reading, Health and Life Sciences Building, Whiteknights, Reading RG6 6EX, UK; (P.S.); (G.L.); (J.M.G.)
| | - Gemma Little
- Institute for Cardiovascular & Metabolic Research, School of Biological Sciences, University of Reading, Health and Life Sciences Building, Whiteknights, Reading RG6 6EX, UK; (P.S.); (G.L.); (J.M.G.)
| | - Dominique Bihan
- Department of Biochemistry, University of Cambridge, Downing Site, Cambridge CB2 1QW, UK; (D.B.); (S.W.H.)
| | - Samir W. Hamaia
- Department of Biochemistry, University of Cambridge, Downing Site, Cambridge CB2 1QW, UK; (D.B.); (S.W.H.)
| | - Aiwu Zhou
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Department of Pathophysiology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China; (H.C.); (A.Z.)
| | - Jonathan M. Gibbins
- Institute for Cardiovascular & Metabolic Research, School of Biological Sciences, University of Reading, Health and Life Sciences Building, Whiteknights, Reading RG6 6EX, UK; (P.S.); (G.L.); (J.M.G.)
| | - Richard W. Farndale
- Department of Biochemistry, University of Cambridge, Downing Site, Cambridge CB2 1QW, UK; (D.B.); (S.W.H.)
- CambCol Laboratories Ltd., Ely CB6 1RS, UK
- Correspondence:
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Yoneda A, Minomi K, Tamura Y. Heat shock protein 47 confers chemoresistance on pancreatic cancer cells by interacting with calreticulin and IRE1α. Cancer Sci 2021; 112:2803-2820. [PMID: 34109710 PMCID: PMC8253297 DOI: 10.1111/cas.14976] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/06/2021] [Accepted: 05/14/2021] [Indexed: 12/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most chemoresistant cancers. An understanding of the molecular mechanism by which PDAC cells have a high chemoresistant potential is important for improvement of the poor prognosis of patients with PDAC. Here we show for the first time that disruption of heat shock protein 47 (HSP47) enhances the efficacy of the therapeutic agent gemcitabine for PDAC cells and that the efficacy is suppressed by reconstituting HSP47 expression. HSP47 interacts with calreticulin (CALR) and the unfolded protein response transducer IRE1α in PDAC cells. Ablation of HSP47 promotes both the interaction of CALR with sarcoplasmic/endoplasmic reticulum Ca2+ -ATPase 2 and interaction of IRE1α with inositol 1,4,5-triphosphate receptor, which generates a condition in which an increase in intracellular Ca2+ level is prone to be induced by oxidative stimuli. Disruption of HSP47 enhances NADPH oxidase-induced generation of intracellular reactive oxygen species (ROS) and subsequent increase in intracellular Ca2+ level in PDAC cells after treatment with gemcitabine, resulting in the death of PDAC cells by activation of the Ca2+ /caspases axis. Ablation of HSP47 promotes gemcitabine-induced suppression of tumor growth in PDAC cell-bearing mice. Overall, these results indicated that HSP47 confers chemoresistance on PDAC cells and suggested that disruption of HSP47 may improve the efficacy of chemotherapy for patients with PDAC.
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Affiliation(s)
- Akihiro Yoneda
- Department of Molecular TherapeuticsCenter for Food & Medical InnovationInstitute for the Promotion of Business‐Regional CollaborationHokkaido UniversitySapporoJapan
| | - Kenjiro Minomi
- Department of Molecular TherapeuticsCenter for Food & Medical InnovationInstitute for the Promotion of Business‐Regional CollaborationHokkaido UniversitySapporoJapan
- Research & Development DepartmentNucleic Acid Medicine Business DivisionNitto Denko CorporationSapporoJapan
| | - Yasuaki Tamura
- Department of Molecular TherapeuticsCenter for Food & Medical InnovationInstitute for the Promotion of Business‐Regional CollaborationHokkaido UniversitySapporoJapan
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75
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Hartmann J, Zacharias M. Mechanism of collagen folding propagation studied by Molecular Dynamics simulations. PLoS Comput Biol 2021; 17:e1009079. [PMID: 34101748 PMCID: PMC8224937 DOI: 10.1371/journal.pcbi.1009079] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/24/2021] [Accepted: 05/13/2021] [Indexed: 11/19/2022] Open
Abstract
Collagen forms a characteristic triple helical structure and plays a central role for stabilizing the extra-cellular matrix. After a C-terminal nucleus formation folding proceeds to form long triple-helical fibers. The molecular details of triple helix folding process is of central importance for an understanding of several human diseases associated with misfolded or unstable collagen fibrils. However, the folding propagation is too rapid to be studied by experimental high resolution techniques. We employed multiple Molecular Dynamics simulations starting from unfolded peptides with an already formed nucleus to successfully follow the folding propagation in atomic detail. The triple helix folding was found to propagate involving first two chains forming a short transient template. Secondly, three residues of the third chain fold on this template with an overall mean propagation of ~75 ns per unit. The formation of loops with multiples of the repeating unit was found as a characteristic misfolding event especially when starting from an unstable nucleus. Central Gly→Ala or Gly→Thr substitutions resulted in reduced stability and folding rates due to structural deformations interfering with folding propagation. The extracellular matrix is stabilized by collagen, a fibrillar protein structure, which represents the most abundant protein of the human body. Collagen consists of three peptide chains that form an elongated triple helix with a repeating and largely conserved sequence pattern of two proline (or hydroxyproline) residues followed by a glycine. Several human diseases are associated with mutations in collagen. The folding propagation is the most critical step in the collagen structure formation and not well understood. We have used multiple Molecular Dynamics simulations to specifically investigate the mechanism of triple helix propagation and how it is affected by mutations. The folding propagation was found to involve first two chains forming a short transient template followed by three residues of the third chain to fold on this template. Additional simulations were used to characterize misfolding events such as loop formation and the effect of glycine substitutions on collagen folding.
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Affiliation(s)
- Julian Hartmann
- Center for Functional Protein Assemblies, Technische Universität München, Garching, Germany
| | - Martin Zacharias
- Center for Functional Protein Assemblies, Technische Universität München, Garching, Germany
- * E-mail:
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Okuno D, Sakamoto N, Tagod MSO, Akiyama Y, Moriyama S, Miyamura T, Hara A, Kido T, Ishimoto H, Ishimatsu Y, Tanaka T, Ishihara J, Takeda K, Tanaka Y, Mukae H. Screening of Inhibitors Targeting Heat Shock Protein 47 Involved in the Development of Idiopathic Pulmonary Fibrosis. ChemMedChem 2021; 16:2515-2523. [PMID: 33890415 DOI: 10.1002/cmdc.202100064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/09/2021] [Indexed: 12/16/2022]
Abstract
Heat shock protein 47 (HSP47), a collagen-specific molecular chaperone, is causally related to fibrotic diseases, including idiopathic pulmonary fibrosis. The identification of Compounds that interfere with the HSP47-collagen interaction is essential for the development of relevant therapeutics. Herein, we prepared human HSP47 as a soluble fusion protein expressed in E. coli and established an assay system for HSP47 inhibitor screening. We screened a natural and synthetic Compound library established at Nagasaki University. Among 1023 Compounds, 13 exhibited inhibitory activity against human HSP47, of which three inhibited its function in a dose-dependent manner. Epigallocatechin-3-O-gallate, one of these three Compounds, is a typical polyphenol Compound derived from tea leaves. Structurally related Compounds were synthesized and examined for their activity, revealing a hydroxyl group at A-ring position 5 as important for its activity. The present findings provide valuable insight for the development of natural product-derived therapeutics for fibrotic diseases, including idiopathic pulmonary fibrosis.
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Affiliation(s)
- Daisuke Okuno
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Noriho Sakamoto
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Mohammed S O Tagod
- Center for Medical Innovation, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Yoshiko Akiyama
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Sakiko Moriyama
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Takuto Miyamura
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Atsuko Hara
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Takashi Kido
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hiroshi Ishimoto
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yuji Ishimatsu
- Department of Nursing, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8520, Japan
| | - Takashi Tanaka
- Department of Natural Product Chemistry, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Jun Ishihara
- Department of Pharmaceutical Organic Chemistry, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Kohsuke Takeda
- Department of Cell Regulation, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Yoshimasa Tanaka
- Center for Medical Innovation, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Hiroshi Mukae
- Department of Respiratory Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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Lang BJ, Guerrero ME, Prince TL, Okusha Y, Bonorino C, Calderwood SK. The functions and regulation of heat shock proteins; key orchestrators of proteostasis and the heat shock response. Arch Toxicol 2021; 95:1943-1970. [PMID: 34003342 DOI: 10.1007/s00204-021-03070-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 05/03/2021] [Indexed: 12/14/2022]
Abstract
Cells respond to protein-damaging (proteotoxic) stress by activation of the Heat Shock Response (HSR). The HSR provides cells with an enhanced ability to endure proteotoxic insults and plays a crucial role in determining subsequent cell death or survival. The HSR is, therefore, a critical factor that influences the toxicity of protein stress. While named for its vital role in the cellular response to heat stress, various components of the HSR system and the molecular chaperone network execute essential physiological functions as well as responses to other diverse toxic insults. The effector molecules of the HSR, the Heat Shock Factors (HSFs) and Heat Shock Proteins (HSPs), are also important regulatory targets in the progression of neurodegenerative diseases and cancers. Modulation of the HSR and/or its extended network have, therefore, become attractive treatment strategies for these diseases. Development of effective therapies will, however, require a detailed understanding of the HSR, important features of which continue to be uncovered and are yet to be completely understood. We review recently described and hallmark mechanistic principles of the HSR, the regulation and functions of HSPs, and contexts in which the HSR is activated and influences cell fate in response to various toxic conditions.
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Affiliation(s)
- Benjamin J Lang
- Department of Radiation Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Martin E Guerrero
- Laboratory of Oncology, Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Scientific and Technical Research Council (CONICET), 5500, Mendoza, Argentina
| | - Thomas L Prince
- Department of Radiation Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Yuka Okusha
- Department of Radiation Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Cristina Bonorino
- Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brasil.,Department of Surgery, School of Medicine, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Stuart K Calderwood
- Department of Radiation Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
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Molecular Characterization of Hsp47 in Grass Carp (Ctenopharyngodon idella) and Its Correlation with Type I Collagen in Response to Fish Aerobic Exercise. FISHES 2021. [DOI: 10.3390/fishes6020017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Heat shock protein 47 (Hsp47) is a collagen-specific molecular chaperone that is indispensable for molecular maturation of collagen. In this study, hsp47 and hsp47-like cDNAs were cloned and characterized in grass carp (Ctenopharyngodon idella). The cDNAs were 1212 and 1218 base pairs long, respectively, and included an open reading frame encoding 403 and 405 amino acids. The molecular phylogeny based on the deduced amino acid sequences indicated that the correct sequences of the hsp47 and hsp47-like cDNA were obtained and the deduced proteins clustered distinctly into teleost clades. Primary structure analysis and characterization of Hsp47 and Hsp47-like shared the basic structure and biofunctions of Hsp47 in vertebrates. The spatial pattern of gene expression revealed that hsp47 and hsp47-like were relatively ubiquitous in different tissues and highly expressed in heart and skin. The expression levels of hsp47 and hsp47-like and type I collagen mRNAs varied similarly in different tissues. Type I collagen content increased significantly with the increase of water velocity in the muscle of grass carp in response to aerobic exercise. Among the gene expression changes of hsp47, hsp47-like, col1a1 and col1a2 in muscle that occurred in response to aerobic exercise, the change of type I collagen was most strongly correlated with hsp47 expression. Additionally, col1a1 showed the highest correlation with hsp47-like and col1a2 showed the highest correlation with hsp47. These findings suggest that grass carp Hsp47 and Hsp47-like are closely related to type I collagen synthesis. This study firstly suggests fish aerobic exercise can improve type I collagen content and Hsp47 gene expression in muscle of grass carp.
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Abstract
Collagen is the most abundant protein in mammals. A unique feature of collagen is its triple-helical structure formed by the Gly-Xaa-Yaa repeats. Three single chains of procollagen make a trimer, and the triple-helical structure is then folded in the endoplasmic reticulum (ER). This unique structure is essential for collagen's functions in vivo, including imparting bone strength, allowing signal transduction, and forming basement membranes. The triple-helical structure of procollagen is stabilized by posttranslational modifications and intermolecular interactions, but collagen is labile even at normal body temperature. Heat shock protein 47 (Hsp47) is a collagen-specific molecular chaperone residing in the ER that plays a pivotal role in collagen biosynthesis and quality control of procollagen in the ER. Mutations that affect the triple-helical structure or result in loss of Hsp47 activity cause the destabilization of procollagen, which is then degraded by autophagy. In this review, we present the current state of the field regarding quality control of procollagen.
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Affiliation(s)
- Shinya Ito
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto 603-8555, Japan;
| | - Kazuhiro Nagata
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto 603-8555, Japan; .,Institute for Protein Dynamics, Kyoto Sangyo University, Kyoto 603-8555, Japan; .,JT Biohistory Research Hall, Osaka, 569-1125, Japan
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Bioinformatic Analysis of Key Genes and Pathways Related to Keloids. BIOMED RESEARCH INTERNATIONAL 2021; 2021:5897907. [PMID: 33860039 PMCID: PMC8009712 DOI: 10.1155/2021/5897907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 08/25/2020] [Accepted: 02/20/2021] [Indexed: 02/05/2023]
Abstract
Background The pathophysiology of keloids is complex, and the treatment for keloids is still an unmet medical need. Our study is aimed at identifying the hub genes among the differentially expressed genes (DEGs) between normal skin tissue and keloids and key pathways in the development of keloids. Materials and Methods We downloaded the GSE92566 and GSE90051 microarray data, which contain normal skin tissue and keloid gene expression data. GSE92566 was treated as a discovery dataset for summarizing the significantly DEGs, and GSE90051 served as a validation dataset. Gene Ontology, Kyoto Encyclopedia of Genes and Genomes pathway, Reactome enrichment analysis, gene set enrichment analysis, and gene set variation analysis were performed for the key functions and pathways enriched in DEGs. Moreover, we also validated the hub genes identified from the protein-protein interaction network and predicted miRNA-hub gene interactions. Results 117 downregulated DEGs and 204 upregulated DEGs in GSE92566 were identified. Extracellular and collagen-related pathways were prominent in upregulated DEGs, while the keratinization-related pathway was associated with downregulated DEGs. The hub genes included COL5A1, COL5A2, and SERPINH1, which were also validated in GSE90051. Conclusion This study identified several hub genes and provided insights for the underlying pathways and miRNA-hub gene interactions for keloid development through bioinformatic analysis of two microarray datasets. Additionally, our results would support the development of future therapeutic strategies.
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Zhang M, Wang M, Wang H, Zhang Y, Li Z, Feng Y, Liu Y, Liu Y, Liao Y, Wang W, Fang Q, Chen J. Decreased Expression of Heat Shock Protein 47 Is Associated with T-2 Toxin and Low Selenium-Induced Matrix Degradation in Cartilages of Kashin-Beck Disease. Biol Trace Elem Res 2021; 199:944-954. [PMID: 32591934 DOI: 10.1007/s12011-020-02237-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/08/2020] [Indexed: 01/21/2023]
Abstract
Recent evidence suggests a role of type II collagen in Kashin-Beck disease (KBD) degeneration. We aimed to assess the abnormal expression of heat shock protein 47 (HSP47) which is associated with a decrease in type II collagen and an increase in cartilage degradation in KBD. Hand phalange cartilages were collected from KBD and healthy children. Rats were administered with T-2 toxin under the selenium (Se)-deficient diet. ATDC5 cells were seeded on bone matrix gelatin to construct engineered cartilaginous tissue. C28/I2 and ATDC5 cells and engineered tissue were exposed to different concentrations of T-2 toxin with or without Se. Cartilage degeneration was determined through histological evaluation. The distribution and expression of type II collagen and HSP47 were investigated through immunohistochemistry, western blotting, and real-time PCR. KBD cartilages showed increased chondronecrosis and extracellular matrix degradation in deep zone with decreased type II collagen and HSP47 expression. The low-Se + T-2 toxin animal group showed a significantly lower type II collagen expression along with decreased HSP47 expression. Decreased type II collagen and HSP47 in C28/I2 and ATDC5 cells induced by T-2 toxin showed a dose-dependent manner. Hyaline-like cartilage with zonal layers was developed in engineered cartilaginous tissues, with decreased type II collagen and HSP47 expression found in T-2 toxin-treated group. Se-supplementation partially antagonized the inhibitory effects of T-2 toxin in chondrocytes and cartilages. HSP47 plays a role in the degenerative changes of KBD and associated with T-2 toxin-induced decreased type II collagen expression, further promoting matrix degradation.
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Affiliation(s)
- Meng Zhang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Mengying Wang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hui Wang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ying Zhang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhengzheng Li
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yiping Feng
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yinan Liu
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yue Liu
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yucheng Liao
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Wenjun Wang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Qian Fang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jinghong Chen
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
- The Institute of Endemic Diseases, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
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82
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Ruigrok MJR, El Amasi KEM, Leeming DJ, Sand JMB, Frijlink HW, Hinrichs WLJ, Olinga P. Silencing Heat Shock Protein 47 (HSP47) in Fibrogenic Precision-Cut Lung Slices: A Surprising Lack of Effects on Fibrogenesis? Front Med (Lausanne) 2021; 8:607962. [PMID: 33659262 PMCID: PMC7917123 DOI: 10.3389/fmed.2021.607962] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 01/25/2021] [Indexed: 12/13/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic disease that is characterized by the excessive deposition of scar tissue in the lungs. As currently available treatments are unable to restore lung function in patients, there is an urgent medical need for more effective drugs. Developing such drugs, however, is challenging because IPF has a complex pathogenesis. Emerging evidence indicates that heat shock protein 47 (HSP47), which is encoded by the gene Serpinh1, may be a suitable therapeutic target as it is required for collagen synthesis. Pharmacological inhibition or knockdown of HSP47 could therefore be a promising approach to treat fibrosis. The objective of this study was to assess the therapeutic potential of Serpinh1-targeting small interfering RNA (siRNA) in fibrogenic precision-cut lung slices prepared from murine tissue. To enhance fibrogenesis, slices were cultured for up to 144 h with transforming growth factor β1. Self-deliverable siRNA was used to knockdown mRNA and protein expression, without affecting the viability and morphology of slices. After silencing HSP47, only the secretion of fibronectin was reduced while other aspects of fibrogenesis remained unaffected (e.g., myofibroblast differentiation as well as collagen secretion and deposition). These observations are surprising as others have shown that Serpinh1-targeting siRNA suppressed collagen deposition in animals. Further studies are therefore warranted to elucidate downstream effects on fibrosis upon silencing HSP47.
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Affiliation(s)
- Mitchel J R Ruigrok
- Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
| | - Khaled E M El Amasi
- Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
| | | | | | - Henderik W Frijlink
- Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
| | - Wouter L J Hinrichs
- Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
| | - Peter Olinga
- Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
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83
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Hofmann E, Fink J, Eberl A, Prugger EM, Kolb D, Luze H, Schwingenschuh S, Birngruber T, Magnes C, Mautner SI, Kamolz LP, Kotzbeck P. A novel human ex vivo skin model to study early local responses to burn injuries. Sci Rep 2021; 11:364. [PMID: 33432026 PMCID: PMC7801530 DOI: 10.1038/s41598-020-79683-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/23/2020] [Indexed: 01/29/2023] Open
Abstract
Burn injuries initiate numerous processes such as heat shock response, inflammation and tissue regeneration. Reliable burn models are needed to elucidate the exact sequence of local events to be able to better predict when local inflammation triggers systemic inflammatory processes. In contrast to other ex vivo skin culture approaches, we used fresh abdominal skin explants to introduce contact burn injuries. Histological and ultrastructural analyses confirmed a partial-thickness burn pathology. Gene expression patterns and cytokine production profiles of key mediators of the local inflammation, heat shock response, and tissue regeneration were analyzed for 24 h after burn injury. We found significantly increased expression of factors involved in tissue regeneration and inflammation soon after burn injury. To investigate purely inflammation-mediated reactions we injected lipopolysaccharide into the dermis. In comparison to burn injury, lipopolysaccharide injection initiated an inflammatory response while expression patterns of heat shock and tissue regeneration genes were unaffected for the duration of the experiment. This novel ex vivo human skin model is suitable to study the local, early responses to skin injuries such as burns while maintaining an intact overall tissue structure and it gives valuable insights into local mechanisms at the very beginning of the wound healing process after burn injuries.
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Affiliation(s)
- Elisabeth Hofmann
- COREMED-Cooperative Centre for Regenerative Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Graz, Austria
| | - Julia Fink
- COREMED-Cooperative Centre for Regenerative Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
| | - Anita Eberl
- HEALTH-Institute for Biomedicine and Health Sciences, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
| | - Eva-Maria Prugger
- HEALTH-Institute for Biomedicine and Health Sciences, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
| | - Dagmar Kolb
- Core Facility Ultrastructure Analysis, Center for Medical Research, Medical University of Graz, Graz, Austria
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Graz, Austria
| | - Hanna Luze
- COREMED-Cooperative Centre for Regenerative Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Graz, Austria
| | - Simon Schwingenschuh
- HEALTH-Institute for Biomedicine and Health Sciences, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
| | - Thomas Birngruber
- HEALTH-Institute for Biomedicine and Health Sciences, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
| | - Christoph Magnes
- HEALTH-Institute for Biomedicine and Health Sciences, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
| | - Selma I Mautner
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Graz, Austria
- HEALTH-Institute for Biomedicine and Health Sciences, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
- Division of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria
| | - Lars-Peter Kamolz
- COREMED-Cooperative Centre for Regenerative Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Graz, Austria
| | - Petra Kotzbeck
- COREMED-Cooperative Centre for Regenerative Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, Graz, Austria.
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Graz, Austria.
- Division of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria.
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84
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Experimental Study of Burn Damage Progression in a Human Composite Tissue Model. BIOLOGY 2021; 10:biology10010040. [PMID: 33435601 PMCID: PMC7827328 DOI: 10.3390/biology10010040] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 12/18/2022]
Abstract
Simple Summary Patients with severe burn injuries undergo surgical procedures to remove dead skin and underlying tissue. The study of tissue damage inflicted by burns is vital for further improving current treatments. Numerous animal burn models have been employed to inflict burns at different temperatures and study the local reaction of harmed tissue and its consequences for the whole organism. Because human skin tissue is different than that of animals, we used human skin tissue discarded from surgeries and exposed the tissue to different burn injuries. The samples were maintained for seven days to study the course of burn damage and activation of different cells in human skin tissue. Our study shows that milder burns result in slowly expanding damage, while severe burns cause deep persistent damage to the skin and underlying fat tissue. These different patterns were also reflected by the activation of immune and repair cells within the fat tissue. Our study suggests that fat tissue adjacent to burn wounds can play a crucial role in tissue repair. Thus, examination of fat tissue vitality before surgery may improve outcomes. Abstract Comparative studies of human tissue damage caused by burns are challenging because precise information regarding the temperature, time, and duration of the exposure is often missing. Animal models cannot be fully translated to the human system due to interspecies differences in cutaneous tissues. We used a human composite tissue model to compare tissue damage caused by thermal burns with different dynamics. Equal subcutaneous/cutaneous composite tissue samples from six donors were first exposed to either preheated steel (100 °C) or a precision flame burner (300 °C) and were then maintained in vitro for seven days. Histological and immunohistochemical analyses revealed that flame burns instantly caused deep and stable damage to the subcutaneous tissue, which stayed constant for seven days. By contrast, contact burns inflicted tissue damage that was initially superficial but then expanded deeper into the adipose tissue. This spatiotemporal expansion of tissue damage was essentially accompanied by macrophage and fibroblast activation, which points towards inflammation resolution and wound healing. Our study suggests that thermal differences in burns directly influence the course of tissue damage, the cellular response and, consequently, the likely dynamics of repair processes days after burn injuries.
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85
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Bellaye PS, Burgy O, Bonniaud P, Kolb M. HSP47: a potential target for fibrotic diseases and implications for therapy. Expert Opin Ther Targets 2021; 25:49-62. [PMID: 33287600 DOI: 10.1080/14728222.2021.1861249] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Introduction: Chronic fibrotic disorders are challenging clinical problems. The major challenge is the identification of specific targets expressed selectively in fibrotic tissues. Collagen accumulation is the hallmark fibrosis. HSP47 is a collagen-specific chaperon with critical role in collagen folding. This review discusses the anti-fibrotic potential of HSP47. Areas covered: This review compiles data retrieved from the PubMed database with keywords 'HSP47+fibrosis' from 01/2005 to 06/2020. We examined 1) collagen biology and its role in fibrotic diseases, 2) HSP47 role in fibrosis, 3) HSP47 inhibition strategies and 4) clinical investigations. The identification of the HSP47-collagen binding site led to the development of methods to screen HSP47 inhibitors with anti-fibrotic potential. Specific in vivo delivery systems of HSP47 siRNA to fibrotic tissue reduced collagen production/secretion associated with fibrosis inhibition in preclinical models. This strategy is about to be tested in clinical trials. Expert opinion: As a collagen-specific chaperon, HSP47 is a promising therapeutic target in fibrosis. Preclinical models have shown encouraging anti-fibrotic results. Anti-HSP47 strategies need to be further evaluated in clinical trials. The increase in circulating-HSP47 in lung fibrosis patients highlights the potential of HSP47 as a noninvasive biomarker and may represent an important step toward personalized medicine in fibrotic disorders.
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Affiliation(s)
- Pierre-Simon Bellaye
- Centre George-Franrçois Leclerc, Nuclear Medicine department, Plateforme d'imagerie et de radiothérapie préclinique, 1 rue du professeur Marion, Dijon, France.,Centre de Référence Constitutif des Maladies Pulmonaires Rares de l'Adultes de Dijon, Réseau OrphaLung, Filère RespiFil, Centre Hospitalier Universitaire de Bourgogne , Dijon,France
| | - Olivier Burgy
- Centre de Référence Constitutif des Maladies Pulmonaires Rares de l'Adultes de Dijon, Réseau OrphaLung, Filère RespiFil, Centre Hospitalier Universitaire de Bourgogne , Dijon,France.,INSERM U1231 Department HSP-pathies 7 Boulevard Jeanne d'Arc ,Dijon France
| | - Philippe Bonniaud
- Centre de Référence Constitutif des Maladies Pulmonaires Rares de l'Adultes de Dijon, Réseau OrphaLung, Filère RespiFil, Centre Hospitalier Universitaire de Bourgogne , Dijon,France
| | - Martin Kolb
- McMaster University, Department of medicine, FIRH, 50 Charlton Avenue East, Hamilton , Ontario, Canada
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86
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Zhang X, Zhang X, Huang W, Ge X. The role of heat shock proteins in the regulation of fibrotic diseases. Biomed Pharmacother 2020; 135:111067. [PMID: 33383375 DOI: 10.1016/j.biopha.2020.111067] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/08/2020] [Accepted: 11/20/2020] [Indexed: 12/29/2022] Open
Abstract
Heat shock proteins (HSPs) are key players to restore cell homeostasis and act as chaperones by assisting the folding and assembly of newly synthesized proteins and preventing protein aggregation. Recently, evidence has been accumulating that HSPs have been proven to have other functions except for the classical molecular chaperoning in that they play an important role in a wider range of fibrotic diseases via modulating cytokine induction and inflammation response, including lung fibrosis, liver fibrosis, and idiopathic pulmonary fibrosis. The recruitment of inflammatory cells, a large number of secretion of pro-fibrotic cytokines such as transforming growth factor-β1 (TGF-β1) and increased apoptosis, oxidative stress, and proteasomal system degradation are all events occurring during fibrogenesis, which might be associated with HSPs. However, their role on fibrotic process is not yet fully understood. In this review, we discuss new discoveries regarding the involvement of HSPs in the regulation of organ and tissue fibrosis, and note recent findings suggesting that HSPs may be a promising therapeutic target for improving the current frustrating outcome of fibrotic disorders.
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Affiliation(s)
- Xiaoling Zhang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China; School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226019, PR China.
| | - Xiaoyan Zhang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China
| | - Wenmin Huang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China
| | - Xiaoqun Ge
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, PR China.
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87
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Odagiri N, Matsubara T, Sato-Matsubara M, Fujii H, Enomoto M, Kawada N. Anti-fibrotic treatments for chronic liver diseases: The present and the future. Clin Mol Hepatol 2020; 27:413-424. [PMID: 33317250 PMCID: PMC8273638 DOI: 10.3350/cmh.2020.0187] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 11/07/2020] [Indexed: 12/12/2022] Open
Abstract
Liver fibrosis reflects tissue scarring in the liver due to the accumulation of excessive extracellular matrix in response to chronically persistent liver injury. Hepatocyte cell death can trigger capillarization of liver sinusoidal endothelial cells, stimulation of immune cells including macrophages and Kupffer cells, and activation of hepatic stellate cells (HSCs), resulting in progression of liver fibrosis. Liver cirrhosis is the terminal state of liver fibrosis and is associated with severe complications, such as liver failure, portal hypertension, and liver cancer. Nevertheless, effective therapy for cirrhosis has not yet been established, and liver transplantation is the only radical treatment for severe cases. Studies investigating HSC activation and regulation of collagen production in the liver have made breakthroughs in recent decades that have advanced the knowledge regarding liver fibrosis pathophysiology. In this review, we summarize molecular mechanisms of liver fibrosis and discuss the development of novel anti-fibrotic therapies.
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Affiliation(s)
- Naoshi Odagiri
- Department of Hepatology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Tsutomu Matsubara
- Department of Anatomy and Regenerative Biology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Misako Sato-Matsubara
- Department of Hepatology, Graduate School of Medicine, Osaka City University, Osaka, Japan.,Department of Endowed Laboratory of Synthetic Biology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Hideki Fujii
- Department of Premier Preventive Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Masaru Enomoto
- Department of Hepatology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Norifumi Kawada
- Department of Hepatology, Graduate School of Medicine, Osaka City University, Osaka, Japan
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88
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Omari S, Makareeva E, Gorrell L, Jarnik M, Lippincott-Schwartz J, Leikin S. Mechanisms of procollagen and HSP47 sorting during ER-to-Golgi trafficking. Matrix Biol 2020; 93:79-94. [DOI: 10.1016/j.matbio.2020.06.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 12/27/2022]
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89
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Han H, Desert R, Das S, Song Z, Athavale D, Ge X, Nieto N. Danger signals in liver injury and restoration of homeostasis. J Hepatol 2020; 73:933-951. [PMID: 32371195 PMCID: PMC7502511 DOI: 10.1016/j.jhep.2020.04.033] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 04/08/2020] [Accepted: 04/23/2020] [Indexed: 02/06/2023]
Abstract
Damage-associated molecular patterns are signalling molecules involved in inflammatory responses and restoration of homeostasis. Chronic release of these molecules can also promote inflammation in the context of liver disease. Herein, we provide a comprehensive summary of the role of damage-associated molecular patterns as danger signals in liver injury. We consider the role of reactive oxygen species and reactive nitrogen species as inducers of damage-associated molecular patterns, as well as how specific damage-associated molecular patterns participate in the pathogenesis of chronic liver diseases such as alcohol-related liver disease, non-alcoholic steatohepatitis, liver fibrosis and liver cancer. In addition, we discuss the role of damage-associated molecular patterns in ischaemia reperfusion injury and liver transplantation and highlight current studies in which blockade of specific damage-associated molecular patterns has proven beneficial in humans and mice.
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Affiliation(s)
- Hui Han
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Romain Desert
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Sukanta Das
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Zhuolun Song
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Dipti Athavale
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Xiaodong Ge
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Natalia Nieto
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA; Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, 840 S. Wood St., Suite 1020N, MC 787, Chicago, IL 60612, USA.
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90
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Miyamura T, Sakamoto N, Ishida K, Kakugawa T, Taniguchi H, Akiyama Y, Okuno D, Hara A, Kido T, Ishimoto H, Miyazaki T, Matsumoto K, Tsuchiya T, Yamaguchi H, Miyazaki T, Obase Y, Ishimatsu Y, Nagayasu T, Mukae H. Presence of heat shock protein 47-positive fibroblasts in cancer stroma is associated with increased risk of postoperative recurrence in patients with lung cancer. Respir Res 2020; 21:234. [PMID: 32928242 PMCID: PMC7488681 DOI: 10.1186/s12931-020-01490-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 08/18/2020] [Indexed: 12/15/2022] Open
Abstract
Background Heat shock protein 47 (HSP47), a collagen-binding protein, has a specific role in the intracellular processing of procollagen production. HSP47 expression is associated with cancer growth and metastasis in several types of cancers. However, none of the studies have assessed whether HSP47 expression is associated with the risk of postoperative recurrence of lung cancer until now. Therefore, we aimed to assess this association. Methods The study population consisted of a cohort of consecutive patients who underwent surgery for lung cancer at Nagasaki University Hospital, Nagasaki, Japan, from January 2009 to December 2010. Patient characteristics, survival and disease-free survival (DFS), and laboratory findings were compared between patients who tested positive and negative for HSP47 expression in lung cancer cells and between those who showed high and low numbers of HSP47-positive fibroblasts in cancer stroma. Results A total of 133 patients underwent surgery for lung cancer. Sixty-seven patients (50.4%) had HSP47-positive cancer cells, and 91 patients (68.4%) had a higher number of HSP47-positive fibroblasts. The patients with a high number of HSP47-positive fibroblasts had a shorter DFS than those with a low number of HSP47-positive fibroblasts. Multivariate analysis identified only the presence of a high number of HSP47-positive fibroblasts as an independent risk factor for recurrence of lung cancer after surgery (odds ratio, 4.371; 95% confidence interval, 1.054–29.83; P = 0.042). Conclusion The present study demonstrated that the presence of a high number of HSP47-positive fibroblasts in the cancer stroma was a risk factor for recurrence of lung cancer after surgery.
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Affiliation(s)
- Takuto Miyamura
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Noriho Sakamoto
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - Kaori Ishida
- Department of Pathology and Laboratory Medicine, Kansai Medical University, 2-5-1 Shinmachi, Hirakata City, Osaka, 574-1191, Japan
| | - Tomoyuki Kakugawa
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.,Department of Pulmonology and Gerontology, Graduate School of Medicine, Yamaguchi University, 1-1-1 Minamikogushi, Ube City, Yamaguchi, 755-8505, Japan
| | - Hirokazu Taniguchi
- Molecular Pharmacology Program and Department of Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY10065, USA
| | - Yoshiko Akiyama
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Daisuke Okuno
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Atsuko Hara
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Takashi Kido
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hiroshi Ishimoto
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Takuro Miyazaki
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Keitaro Matsumoto
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Tomoshi Tsuchiya
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hiroyuki Yamaguchi
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Taiga Miyazaki
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yasushi Obase
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yuji Ishimatsu
- Department of Nursing, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8520, Japan
| | - Takeshi Nagayasu
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hiroshi Mukae
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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91
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Guo Q, Tian Q, Tian X, Liu T. Effect of Regulating the Expression of HSP47 on Collagen Metabolism in Scleral Fibroblasts. Curr Eye Res 2020; 46:408-416. [PMID: 32814454 DOI: 10.1080/02713683.2020.1805471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE To explore the effect of heat shock protein 47 (HSP 47) on collagen (types I, III, and V) metabolism in scleral fibroblasts. METHODS Scleral fibroblasts with over- or low-expression of HSP 47 were constructed by plasmid transfection. The mRNA and intracellular proteins expression of HSP 47, collagen (types I, III, and V) and α-smooth muscle actin (α-SMA) were detected by quantitative real-time polymerase chain reaction and western blot. The proteins expression of collagen (types I, III, and V), matrix metalloproteinase 2 (MMP-2), and tissue inhibitor of matrix metalloproteinases 1 and 2 (TIMP-1 and -2) in extracellular matrix (ECM) were detected by ELISA. The migration and proliferation activities of cells were detected by scratch-wound assay and MTS. The internal structure of scleral fibroblasts was observed by transmission electron microscopy (TEM). RESULTS The results obtained demonstrated significant increases in the expression of the mRNA and protein expression of collagen I in HSP47 up-regulated cells. Overexpression of HSP 47 promotes the expression of α-SMA and cell migration. Down-regulated expression of HSP 47 results in decreased mRNA and protein expression of collagen. Low expression of HSP 47 significantly inhibits cell migration and proliferation, and affects the internal structure of cells. CONCLUSION HSP 47 affects collagen metabolism in scleral fibroblasts. It appears to promote the synthesis and secretion of collagen I as well as inhibit degradation.
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Affiliation(s)
- Qingge Guo
- Affiliated Hospital of Zunyi Medical College, Guizhou Ophthalmic Hospital , Zunyi, Guizhou, China
| | - Qingshan Tian
- Affiliated Hospital of Zunyi Medical College, Guizhou Ophthalmic Hospital , Zunyi, Guizhou, China
| | - Xiang Tian
- Affiliated Hospital of Zunyi Medical College, Guizhou Ophthalmic Hospital , Zunyi, Guizhou, China
| | - Taixiang Liu
- Affiliated Hospital of Zunyi Medical College, Guizhou Ophthalmic Hospital , Zunyi, Guizhou, China
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Miyamura T, Sakamoto N, Kakugawa T, Taniguchi H, Akiyama Y, Okuno D, Moriyama S, Hara A, Kido T, Ishimoto H, Yamaguchi H, Miyazaki T, Obase Y, Ishimatsu Y, Tanaka Y, Mukae H. Small molecule inhibitor of HSP47 prevents pro-fibrotic mechanisms of fibroblasts in vitro. Biochem Biophys Res Commun 2020; 530:561-565. [PMID: 32747092 DOI: 10.1016/j.bbrc.2020.07.085] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 07/17/2020] [Indexed: 12/25/2022]
Abstract
Excessive extracellular matrix deposition, in particular collagen, is an important cause of lung fibrosis. Heat shock protein 47 (HSP47), a collagen-binding protein, plays an important role in the intracellular processing of procollagen. A small molecule that blocks the collagen chaperone function of HSP47 has been reported as an HSP47 inhibitor. The aim of this study was to assess the effect of the HSP47 inhibitor on collagen synthesis and other fibrotic process in vitro. We evaluated collagen expression by western blot, and determined cell viability and migration by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and scratch test, respectively, in human and mouse lung fibroblasts. Treatment of lung fibroblasts with HSP47 siRNA decreased collagen type I expression. Similarly, the HSP47 inhibitor decreased collagen type I expression in transforming growth factor beta 1 (TGF-β1)-treated lung fibroblasts in a dose-dependent manner. The inhibitor also decreased the viability and cell migration ability of TGF-β1-treated lung fibroblasts. Overall, we demonstrated that HSP47 is a potential therapeutic target for pulmonary fibrosis. The small molecule HSP47 inhibitor may mediate antifibrotic effects by suppressing the overexpression of collagen, and inhibiting the viability and migration of fibroblasts. Further research is needed to clarify the therapeutic potential of this HSP47 inhibitor for pulmonary fibrosis.
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Affiliation(s)
- Takuto Miyamura
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Noriho Sakamoto
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - Tomoyuki Kakugawa
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Department of Pulmonology and Gerontology, Graduate School of Medicine, Yamaguchi University, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Hirokazu Taniguchi
- Molecular Pharmacology Program and Department of Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY10065, USA
| | - Yoshiko Akiyama
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Daisuke Okuno
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Sakiko Moriyama
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Atsuko Hara
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Takashi Kido
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hiroshi Ishimoto
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Hiroyuki Yamaguchi
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Taiga Miyazaki
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yasushi Obase
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yuji Ishimatsu
- Department of Nursing, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan
| | - Yoshimasa Tanaka
- Center for Medical Innovation, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan; Center for Innovation in Immunoregulative Technology and Therapeutics, Graduate School of Medicine, Kyoto University, Yoshidakonoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Hiroshi Mukae
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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93
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Ocular instillation of vitamin A-coupled liposomes containing HSP47 siRNA ameliorates dry eye syndrome in chronic GVHD. Blood Adv 2020; 3:1003-1010. [PMID: 30940635 DOI: 10.1182/bloodadvances.2018028431] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 03/07/2019] [Indexed: 12/22/2022] Open
Abstract
Chronic graft-versus-host disease (GVHD) profoundly affects the quality of life of long-term survivors of allogeneic hematopoietic stem cell transplantation (SCT). The eyes are frequently involved, and dry eye syndrome is the most common manifestation of ocular chronic GVHD. We explored the role of heat shock protein 47 (HSP47) in ocular GVHD and developed a novel antifibrotic topical therapy using vitamin A-coupled liposomes containing HSP47 small interfering RNA (siRNA) against HSP47 (VA-lip HSP47). In a mouse model of chronic GVHD, infiltration of HSP47+ fibroblasts and massive fibrosis surrounding the lacrimal ducts were observed after allogeneic SCT, leading to impaired tear secretion. After ocular instillation, VA-lip HSP47 was distributed to the lacrimal glands, knocked down HSP47 expression in fibroblasts, reduced collagen deposition, and restored tear secretion after allogeneic SCT. Ocular instillation of VA-lip HSP47 also ameliorated established lacrimal gland fibrosis and dry eye syndrome. VA-lip HSP47 eye drops are a promising prophylactic and therapeutic option against dry eye syndrome in chronic GVHD.
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94
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Transcriptional and epigenetic effects of Vitis vinifera L. leaf extract on UV-stressed human dermal fibroblasts. Mol Biol Rep 2020; 47:5763-5772. [PMID: 32666439 DOI: 10.1007/s11033-020-05645-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 07/03/2020] [Indexed: 12/17/2022]
Abstract
Adverse environmental conditions such as UV radiation induce oxidative and aging events leading to severe damage to human skin cells. Natural products such as plant extracts have been implicated in the skin anti-oxidant and anti-aging cellular protection against environmental stress. Moreover, environmental factors have been shown to impact chromatin structure leading to altered gene expression programs with profound changes in cellular functions. In this study, we assessed the in vitro effect of a leaf extract from Vitis vinifera L. on UV-stressed primary human dermal fibroblasts, focusing on gene expression and DNA methylation as an epigenetic factor. Expression analysis of two genes known to be implicated in skin anti-aging, SIRT1and HSP4, demonstrated significant induction in the presence of the extract under normal or UVA conditions. In addition, DNA methylation profiling of SIRT1 and HSP47 promoters showed that the V. vinifera L. extract induced changes in the DNA methylation pattern of both genes that may be associated with SIRT1 and HSP47 gene expression. Our study shows for the first time transcriptional and DNA methylation alterations on human skin fibroblasts exposed to UV stress and suggest a protective effect of a V. vinifera extract possibly through transcriptional regulation of critical skin anti-aging genes.
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95
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Type I Collagen Suspension Induces Neocollagenesis and Myodifferentiation in Fibroblasts In Vitro. BIOMED RESEARCH INTERNATIONAL 2020; 2020:6093974. [PMID: 34368344 PMCID: PMC8337109 DOI: 10.1155/2020/6093974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/05/2020] [Accepted: 05/29/2020] [Indexed: 11/23/2022]
Abstract
The ability of a collagen-based matrix to support cell proliferation, migration, and infiltration has been reported; however, the direct effect of an aqueous collagen suspension on cell cultures has not been studied yet. In this work, the effects of a high-concentration aqueous suspension of a micronized type I equine collagen (EC-I) have been evaluated on a normal mouse fibroblast cell line. Immunofluorescence analysis showed the ability of EC-I to induce a significant increase of type I and III collagen levels, parallel with overexpression of crucial proteins in collagen biosynthesis, maturation, and secretion, prolyl 4-hydroxylase (P4H) and heat shock protein 47 (HSP47), as demonstrated by western blot experiments. The treatment led, also, to an increase of α-smooth muscle actin (α-SMA) expression, evaluated through western blot analysis, and cytoskeletal reorganization, as assessed by phalloidin staining. Moreover, scanning electron microscopy analysis highlighted the appearance of plasma membrane extensions and blebbing of extracellular vesicles. Altogether, these results strongly suggest that an aqueous collagen type I suspension is able to induce fibroblast myodifferentiation. Moreover, our findings also support in vitro models as a useful tool to evaluate the effects of a collagen suspension and understand the molecular signaling pathways possibly involved in the effects observed following collagen treatment in vivo.
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96
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Gil-Bona A, Bidlack FB. Tooth Enamel and its Dynamic Protein Matrix. Int J Mol Sci 2020; 21:ijms21124458. [PMID: 32585904 PMCID: PMC7352428 DOI: 10.3390/ijms21124458] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/19/2020] [Accepted: 06/20/2020] [Indexed: 12/12/2022] Open
Abstract
Tooth enamel is the outer covering of tooth crowns, the hardest material in the mammalian body, yet fracture resistant. The extremely high content of 95 wt% calcium phosphate in healthy adult teeth is achieved through mineralization of a proteinaceous matrix that changes in abundance and composition. Enamel-specific proteins and proteases are known to be critical for proper enamel formation. Recent proteomics analyses revealed many other proteins with their roles in enamel formation yet to be unraveled. Although the exact protein composition of healthy tooth enamel is still unknown, it is apparent that compromised enamel deviates in amount and composition of its organic material. Why these differences affect both the mineralization process before tooth eruption and the properties of erupted teeth will become apparent as proteomics protocols are adjusted to the variability between species, tooth size, sample size and ephemeral organic content of forming teeth. This review summarizes the current knowledge and published proteomics data of healthy and diseased tooth enamel, including advancements in forensic applications and disease models in animals. A summary and discussion of the status quo highlights how recent proteomics findings advance our understating of the complexity and temporal changes of extracellular matrix composition during tooth enamel formation.
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Affiliation(s)
- Ana Gil-Bona
- The Forsyth Institute, Cambridge, MA 02142, USA
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA 02115, USA
- Correspondence: (A.G.-B.); (F.B.B.)
| | - Felicitas B. Bidlack
- The Forsyth Institute, Cambridge, MA 02142, USA
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA 02115, USA
- Correspondence: (A.G.-B.); (F.B.B.)
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97
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Rooney N, Mason SM, McDonald L, Däbritz JHM, Campbell KJ, Hedley A, Howard S, Athineos D, Nixon C, Clark W, Leach JDG, Sansom OJ, Edwards J, Cameron ER, Blyth K. RUNX1 Is a Driver of Renal Cell Carcinoma Correlating with Clinical Outcome. Cancer Res 2020; 80:2325-2339. [PMID: 32156779 DOI: 10.1158/0008-5472.can-19-3870] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/17/2020] [Accepted: 03/06/2020] [Indexed: 11/16/2022]
Abstract
The recurring association of specific genetic lesions with particular types of cancer is a fascinating and largely unexplained area of cancer biology. This is particularly true of clear cell renal cell carcinoma (ccRCC) where, although key mutations such as loss of VHL is an almost ubiquitous finding, there remains a conspicuous lack of targetable genetic drivers. In this study, we have identified a previously unknown protumorigenic role for the RUNX genes in this disease setting. Analysis of patient tumor biopsies together with loss-of-function studies in preclinical models established the importance of RUNX1 and RUNX2 in ccRCC. Patients with high RUNX1 (and RUNX2) expression exhibited significantly poorer clinical survival compared with patients with low expression. This was functionally relevant, as deletion of RUNX1 in ccRCC cell lines reduced tumor cell growth and viability in vitro and in vivo. Transcriptional profiling of RUNX1-CRISPR-deleted cells revealed a gene signature dominated by extracellular matrix remodeling, notably affecting STMN3, SERPINH1, and EPHRIN signaling. Finally, RUNX1 deletion in a genetic mouse model of kidney cancer improved overall survival and reduced tumor cell proliferation. In summary, these data attest to the validity of targeting a RUNX1-transcriptional program in ccRCC. SIGNIFICANCE: These data reveal a novel unexplored oncogenic role for RUNX genes in kidney cancer and indicate that targeting the effects of RUNX transcriptional activity could be relevant for clinical intervention in ccRCC.
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Affiliation(s)
- Nicholas Rooney
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Susan M Mason
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Laura McDonald
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - J Henry M Däbritz
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Kirsteen J Campbell
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Ann Hedley
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Steven Howard
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Dimitris Athineos
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Colin Nixon
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - William Clark
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Joshua D G Leach
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Owen J Sansom
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Joanne Edwards
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Ewan R Cameron
- School of Veterinary Medicine, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Karen Blyth
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom.
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
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98
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Huang Y, Lu J, Xu Y, Xiong C, Tong D, Hu N, Yang H. Xiaochaihu decorction relieves liver fibrosis caused by Schistosoma japonicum infection via the HSP47/TGF-β pathway. Parasit Vectors 2020; 13:254. [PMID: 32410640 PMCID: PMC7227055 DOI: 10.1186/s13071-020-04121-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 05/06/2020] [Indexed: 12/11/2022] Open
Abstract
Background Hepatic fibrosis caused by chronic infection with Schistosoma japonica remains a serious public health problem in the world. Symptoms include inflammation, liver granuloma and fibrosis, whilst treatment options are still limited. This study aims to investigate whether and how traditional Chinese medicine Xiaochaihu decoction (XCH) could mitigate liver fibrosis caused by S. japonicum infection. Methods BALB/c mice were infected with S. japonicum cercariae and treated with XCH for 16 weeks. Liver pathological changes were assessed by H&E and Masson staining. NIH3T3 and Raw264.7 cells were treated with S. japonicum egg antigens with or without XCH treatment. Quantitative real-time PCR, western blot, immunfluorescence and ELISA were performed to determine the changes of levels of fibrogenic markers. Results XCH protected mouse liver from injuries and fibrosis caused by S. japonicum infection and considerably reduced egg burden in a dose-dependent manner. Infection with S. japonicum caused elevation of serum ALT, AST, ALP, HA and PIIINP levels and reduction of ALB and GLOB levels, which was markedly suppressed by XCH. The upregulation of TGF-β1, Hsp47, α-SMA, Col1A1 and Col3A1 in S. japonicum-infected mouse liver was also significantly inhibited by XCH. Schistosoma japonicum egg antigens promoted the expression of Hsp47, TGF-β1, Timp-1, α-SMA, Col1A1 and Col3A1 in NIH3T3 cells, and TGF-β1, CTGF, IL-13, IL-17 and IL-6 in Raw264.7 cells, which was inhibited by XCH, LY2157299 and shRNA-Hsp47. Conclusions These results demonstrated that the hepatic protective effects of Xiaochaihu decoction were mediated by HSP47/TGF-β axis.![]()
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Affiliation(s)
- Yuzheng Huang
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, 117 Meiyuan Yangxiang, Wuxi, 214064, Jiangsu, China. .,Public Health Research Center, Jiangnan University, Wuxi, 214122, Jiangsu Province, China. .,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China.
| | - Jin Lu
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, 117 Meiyuan Yangxiang, Wuxi, 214064, Jiangsu, China.,Public Health Research Center, Jiangnan University, Wuxi, 214122, Jiangsu Province, China.,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Yongliang Xu
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, 117 Meiyuan Yangxiang, Wuxi, 214064, Jiangsu, China.,Public Health Research Center, Jiangnan University, Wuxi, 214122, Jiangsu Province, China.,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Chunrong Xiong
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, 117 Meiyuan Yangxiang, Wuxi, 214064, Jiangsu, China.,Public Health Research Center, Jiangnan University, Wuxi, 214122, Jiangsu Province, China.,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Deshen Tong
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, 117 Meiyuan Yangxiang, Wuxi, 214064, Jiangsu, China.,Public Health Research Center, Jiangnan University, Wuxi, 214122, Jiangsu Province, China.,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Nannan Hu
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, 117 Meiyuan Yangxiang, Wuxi, 214064, Jiangsu, China.,Public Health Research Center, Jiangnan University, Wuxi, 214122, Jiangsu Province, China.,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Haitao Yang
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, 117 Meiyuan Yangxiang, Wuxi, 214064, Jiangsu, China. .,Public Health Research Center, Jiangnan University, Wuxi, 214122, Jiangsu Province, China. .,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China.
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99
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Yoneda A, Minomi K, Tamura Y. HSP47 promotes metastasis of breast cancer by interacting with myosin IIA via the unfolded protein response transducer IRE1α. Oncogene 2020; 39:4519-4537. [PMID: 32366908 DOI: 10.1038/s41388-020-1311-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 04/20/2020] [Accepted: 04/23/2020] [Indexed: 12/21/2022]
Abstract
Breast cancer (BC) is an aggressive cancer that is a leading cause of cancer-associated death in women worldwide. Although increased expression of heat shock protein 47 (HSP47), a collagen-specific chaperone, is associated with the high malignancy of BC, its role in BC remains largely unclear. Here we show that a small population of high-invasive BC cells expresses HSP47 and that HSP47-positive high-invasive BC cells have a high metastatic potential that is completely abolished by disruption of HSP47. HSP47 interacts with non-muscle myosin IIA (NMIIA) via the unfolded protein response transducer IRE1α, resulting in enhancement of the metastatic potential of high-invasive BC cells by augmenting the contractile force of actin filaments. Ablation of NMIIA abrogates the metastatic potential of HSP47-positive high-invasive BC cells. We further show that forced expression of NMIIA confers a high metastatic potential on low-invasive BC cells in which HSP47 but not NMIIA is expressed. Overall, our study indicates that HSP47 acts as a stimulator for metastasis of BC cells and suggest that HSP47 may be a candidate for a therapeutic target against BC.
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Affiliation(s)
- Akihiro Yoneda
- Department of Molecular Therapeutics, Center for Food & Medical Innovation, Institute for the Promotion of Business-Regional Collaboration, Hokkaido University, Sapporo, 001-0021, Japan.
| | - Kenjiro Minomi
- Department of Molecular Therapeutics, Center for Food & Medical Innovation, Institute for the Promotion of Business-Regional Collaboration, Hokkaido University, Sapporo, 001-0021, Japan.,Research & Development Department, Nucleic Acid Medicine Business Division, Nitto Denko Corporation, Sapporo, 001-0021, Japan
| | - Yasuaki Tamura
- Department of Molecular Therapeutics, Center for Food & Medical Innovation, Institute for the Promotion of Business-Regional Collaboration, Hokkaido University, Sapporo, 001-0021, Japan
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100
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Regulation of aberrantly expressed SERPINH1 by antitumor miR-148a-5p inhibits cancer cell aggressiveness in gastric cancer. J Hum Genet 2020; 65:647-656. [PMID: 32235846 DOI: 10.1038/s10038-020-0746-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/12/2020] [Accepted: 03/12/2020] [Indexed: 12/21/2022]
Abstract
RNA-sequencing-based microRNA (miRNA) expression signatures have revealed that miR-148a-5p (the passenger strand of the miR-148a-duplex) is downregulated in various kinds of cancer tissues. Analysis of The Cancer Genome Atlas (TCGA) database showed that low expression of miR-148a-5p was predictive of a lower survival rate (p = 0.041) in patients with gastric cancer (GC). Downregulation of miR-148a-5p was confirmed in GC clinical specimens, and its ectopic expression attenuated GC cell proliferation. Our search for miRNA target genes identified a total of 18 oncogenic targets of miR-148a-5p in GC cells. Among these targets, high expression levels of six genes (THBS2, P4HA3, SERPINH1, CDH11, BCAT1, and KCNG3) were closely associated with a poor prognosis (10-year survival rates) in GC patients (p < 0.05) according to TCGA database analyses. Furthermore, we focused on SERPINH1 as a chaperone protein involved in collagen folding in humans. Aberrant expression of SERPINH1 (mRNA and protein levels) was confirmed in GC clinical specimens. Knockdown assays of SERPINH1 using siRNAs resulted in inhibition of the aggressive phenotype of GC cells. Exploring the molecular networks controlled by miRNAs (including miRNA passenger strands) will broaden our understanding of the molecular pathogenesis of GC.
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