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Patrick R, Janbandhu V, Tallapragada V, Tan SSM, McKinna EE, Contreras O, Ghazanfar S, Humphreys DT, Murray NJ, Tran YTH, Hume RD, Chong JJH, Harvey RP. Integration mapping of cardiac fibroblast single-cell transcriptomes elucidates cellular principles of fibrosis in diverse pathologies. SCIENCE ADVANCES 2024; 10:eadk8501. [PMID: 38905342 PMCID: PMC11192082 DOI: 10.1126/sciadv.adk8501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 05/14/2024] [Indexed: 06/23/2024]
Abstract
Single-cell technology has allowed researchers to probe tissue complexity and dynamics at unprecedented depth in health and disease. However, the generation of high-dimensionality single-cell atlases and virtual three-dimensional tissues requires integrated reference maps that harmonize disparate experimental designs, analytical pipelines, and taxonomies. Here, we present a comprehensive single-cell transcriptome integration map of cardiac fibrosis, which underpins pathophysiology in most cardiovascular diseases. Our findings reveal similarity between cardiac fibroblast (CF) identities and dynamics in ischemic versus pressure overload models of cardiomyopathy. We also describe timelines for commitment of activated CFs to proliferation and myofibrogenesis, profibrotic and antifibrotic polarization of myofibroblasts and matrifibrocytes, and CF conservation across mouse and human healthy and diseased hearts. These insights have the potential to inform knowledge-based therapies.
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Affiliation(s)
- Ralph Patrick
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
- School of Clinical Medicine, UNSW Sydney, Kensington, NSW 2052, Australia
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Vaibhao Janbandhu
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
- School of Clinical Medicine, UNSW Sydney, Kensington, NSW 2052, Australia
| | | | - Shannon S. M. Tan
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
| | - Emily E. McKinna
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
- Westmead Institute for Medical Research, The University of Sydney, Westmead, NSW 2145, Australia
| | - Osvaldo Contreras
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
- School of Clinical Medicine, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Shila Ghazanfar
- School of Mathematics and Statistics, The University of Sydney, Camperdown, NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown, NSW 2006, Australia
- Sydney Precision Data Science Centre, The University of Sydney, Camperdown, NSW 2006, Australia
| | - David T. Humphreys
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
- School of Clinical Medicine, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Nicholas J. Murray
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
- School of Clinical Medicine, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Yen T. H. Tran
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
| | - Robert D. Hume
- Westmead Institute for Medical Research, The University of Sydney, Westmead, NSW 2145, Australia
- School of Medical Science, The University of Sydney, Camperdown, NSW 2006, Australia
- Centre for Heart Failure and Diseases of the Aorta, The Baird Institute, Sydney, NSW 2042, Australia
| | - James J. H. Chong
- Westmead Institute for Medical Research, The University of Sydney, Westmead, NSW 2145, Australia
- Department of Cardiology, Westmead Hospital, Westmead, NSW 2145, Australia
| | - Richard P. Harvey
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
- School of Clinical Medicine, UNSW Sydney, Kensington, NSW 2052, Australia
- School of Biotechnology and Biomolecular Science, UNSW Sydney, Kensington, NSW 2052, Australia
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Wang J, Du J, Wang Y, Song Y, Wu J, Wang T, Yu Z, Song B. CILP2 promotes hypertrophic scar through Snail acetylation by interaction with ACLY. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167202. [PMID: 38670440 DOI: 10.1016/j.bbadis.2024.167202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024]
Abstract
BACKGROUND & AIMS Hypertrophic scar (HS) is a skin fibroproliferative disorder occurring after burns, surgeries or traumatic injuries, and it has caused a tremendous economic and medical burden. Its molecular mechanism is associated with the abnormal proliferation and transition of fibroblasts and excessive deposition of extracellular matrix. Cartilage intermediate layer protein 2 (CILP2), highly homologous to cartilage intermediate layer protein 1 (CILP1), is mainly secreted predominantly from chondrocytes in the middle/deeper layers of articular cartilage. Recent reports indicate that CILP2 is involved in the development of fibrotic diseases. We investigated the role of CILP2 in the progression of HS. METHODS AND RESULTS It was found in this study that CILP2 expression was significantly higher in HS than in normal skin, especially in myofibroblasts. In a clinical cohort, we discovered that CILP2 was more abundant in the serum of patients with HS, especially in the early stage of HS. In vitro studies indicated that knockdown of CILP2 suppressed proliferation, migration, myofibroblast activation and collagen synthesis of hypertrophic scar fibroblasts (HSFs). Further, we revealed that CILP2 interacts with ATP citrate lyase (ACLY), in which CILP2 stabilizes the expression of ACLY by reducing the ubiquitination of ACLY, therefore prompting Snail acetylation and avoiding reduced expression of Snail. In vivo studies indicated that knockdown of CILP2 or ACLY inhibitor, SB-204990, significantly alleviated HS formation. CONCLUSION CILP2 exerts a vital role in hypertrophic scar formation and might be a detectable biomarker reflecting the progression of hypertrophic scar and a therapeutic target for hypertrophic scar.
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Affiliation(s)
- Jianzhang Wang
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Juan Du
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Yuanyong Wang
- Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Yajuan Song
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Junzheng Wu
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Tong Wang
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Zhou Yu
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
| | - Baoqiang Song
- Department of Plastic and Reconstructive Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
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Guo B, Zhao F, Zhang S. CILP is a potential pan-cancer marker: combined silico study and in vitro analyses. Cancer Gene Ther 2024; 31:119-130. [PMID: 37968343 DOI: 10.1038/s41417-023-00688-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/11/2023] [Accepted: 11/02/2023] [Indexed: 11/17/2023]
Abstract
CILP (Cartilage intermediate layer protein), an ECM (extracellular matrix) glycoprotein, is found to be associated with intervertebral disc degeneration, chronic heart failure, obese and cardiac fibrosis. However, there are few reports on the role of CILP in tumors. Thus, in this study, we mainly explored the function of CILP in the occurrence and development of tumors and whether it could be a potential pan-cancer marker. Pan-cancer data in this study were obtained from UCSC Xena. Single-cell data were obtained from GSE152938. ROC (Receiver operating characteristic) curves were used to evaluate the accuracy of CILP in predicting the occurrence of different tumor types. The Kaplan-Meier plots were used to assess the relationship between CILP expression and survival prognosis in different tumor types by COX regression analysis. Pseudotime analysis and cell communication analysis were used to further explore the function of CILP at Single cell level. The human RCC (renal cell carcinoma) cell lines ACHN and 786-O were used for further experimental verification. Bulk RNA-seq showed differences in CILP expression in several tumors. ROC curves showed that 14 tumors have AUC > 0.7. Kaplan-Meier plots indicated that CILP is a risk factor for patients in 3 kinds of tumors. ScRNA-seq (Single cell RNA sequencing) suggested that CILP might influence tumors through fibroblasts and cell-cell communication. Finally, we verified the function of CILP at the cellular level by using RCC cell lines ACHN and 786-O and found that knockdown of CILP could significantly inhibit migration and invasion. This finding supports that CILP could be a risk factor as well as a pan-cancer predictor for patients.
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Affiliation(s)
- Bingjie Guo
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Feiran Zhao
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Sailong Zhang
- Department of Pharmacology, Second Military Medical University/Naval Medical University, Shanghai, China.
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Liu D, He C, Liu Z, Xu L, Li J, Zhao Z, Hu X, Chen H, Sun B, Wang Y. The Prognostic and Immune Significance of CILP2 in Pan-Cancer and Its Relationship with the Progression of Pancreatic Cancer. Cancers (Basel) 2023; 15:5842. [PMID: 38136386 PMCID: PMC10741840 DOI: 10.3390/cancers15245842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 11/18/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Cartilage intermediate layer protein 2 (CILP2) facilitates interactions between matrix components in cartilage and has emerged as a potential prognostic biomarker for cancer. This study aimed to investigate the function and mechanisms of CILP2 in pan-cancer. We evaluated the pan-cancer expression, methylation, and mutation data of CILP2 for its clinical prognostic value. Additionally, we explored the immunological characteristics of CILP2 in pan-cancer and then focused specifically on pancreatic ductal adenocarcinoma (PAAD). The subtype analysis of PAAD identified subtype-specific expression and immunological characteristics. Finally, in vitro and in vivo experiments assessed the impact of CILP2 on pancreatic cancer progression. CILP2 exhibited high expression in most malignancies, with significant heterogeneity in epigenetic modifications across multiple cancer types. The abnormal methylation and copy number variations in CILP2 were correlated with poor prognoses. Upregulated CILP2 was associated with TGFB/TGFBR1 and more malignant subtypes. CILP2 exhibited a negative correlation with immune checkpoints in PAAD, suggesting potential for immunotherapy. CILP2 activated the AKT pathway, and it increased proliferation, invasion, migration, and epithelial-mesenchymal transition (EMT) in pancreatic cancer. We demonstrated that CILP2 significantly contributes to pancreatic cancer progression. It serves as a prognostic biomarker and a potential target for immunotherapy.
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Affiliation(s)
- Danxi Liu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Cong He
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Zonglin Liu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Licheng Xu
- Department of Otorhinolaryngology, Head and Neck Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150001, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, The Second Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Jiacheng Li
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Zhongjie Zhao
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Xuewei Hu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
| | - Hua Chen
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Bei Sun
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Yongwei Wang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; (D.L.); (Z.Z.)
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Weidenhammer A, Prausmüller S, Partsch C, Spinka G, Luckerbauer B, Larch M, Arfsten H, Abdel Mawgoud R, Bartko PE, Goliasch G, Kastl S, Hengstenberg C, Hülsmann M, Pavo N. CILP-1 Is a Biomarker for Backward Failure and Right Ventricular Dysfunction in HFrEF. Cells 2023; 12:2832. [PMID: 38132152 PMCID: PMC10741695 DOI: 10.3390/cells12242832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/30/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND CILP-1 regulates myocardial fibrotic response and remodeling and was reported to indicate right ventricular dysfunction (RVD) in pulmonary hypertension (PH) and heart failure (HF). This study examines CILP-1 as a potential biomarker for RVD and prognosis in heart failure with reduced ejection fraction (HFrEF) patients on guideline-directed medical therapy. METHODS CILP-1 levels were measured in 610 HFrEF patients from a prospective registry with biobanking (2016-2022). Correlations with echocardiographic and hemodynamic data and its association with RVD and prognosis were analyzed. RESULTS The median age was 62 years (Q1-Q3: 52-72), 77.7% of patients were male, and the median NT-proBNP was 1810 pg/mL (Q1-Q3: 712-3962). CILP-1 levels increased with HF severity, as indicated by NT-proBNP and NYHA class (p < 0.0001, for both). CILP-1 showed a weak-moderate direct association with increased left ventricular filling pressures and its sequalae, i.e., backward failure (LA diameter rs = 0.15, p = 0.001; sPAP rs = 0.28, p = 0.010; RVF rs = 0.218, p < 0.0001), but not with cardiac index (CI) and systemic vascular resistance (SVR). CILP-1 trended as a risk factor for all-cause mortality (crude HR for 500 pg/mL increase: 1.03 (95%CI: 1.00-1.06), p = 0.053) but lost significance when it was adjusted for NT-proBNP (adj. HR: 1.00 (95%CI: 1.00-1.00), p = 0.770). No association with cardiovascular hospitalization was observed. CONCLUSIONS CILP-1 correlates with HFrEF severity and may indicate an elevated risk for all-cause mortality, though it is not independent from NT-proBNP. Increased CILP-1 is associated with backward failure and RVD rather than forward failure. Whether CILP-1 release in this context is based on elevated pulmonary pressures or is specific to RVD needs to be further investigated.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Martin Hülsmann
- Department of Internal Medicine II, Clinical Division of Cardiology, Medical University of Vienna, 1090 Vienna, Austria (N.P.)
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Port H, Hausgaard CM, He Y, Maksymowych WP, Wichuk S, Sinkeviciute D, Bay-Jensen AC, Holm Nielsen S. A novel biomarker of MMP-cleaved cartilage intermediate layer protein-1 is elevated in patients with rheumatoid arthritis, ankylosing spondylitis and osteoarthritis. Sci Rep 2023; 13:21717. [PMID: 38066013 PMCID: PMC10709337 DOI: 10.1038/s41598-023-48787-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
Rheumatic joints have an altered cartilage turnover. Cartilage intermediate layer protein 1 (CILP-1) is secreted from articular chondrocytes and deposited into the cartilage extracellular matrix. We developed an immunoassay targeting a Matrix Metalloproteinase (MMP)-generated neo-epitope of CILP-1, named CILP-M. Human articular cartilage was cleaved with proteolytic enzymes and CILP-M levels were measured. We also quantified CILP-M in two studies from patients with rheumatoid arthritis (RA), ankylosing spondylitis (AS) and osteoarthritis (OA) and explored the monitoring and prognostic potential of CILP-M in TNF-α inhibitory treatment and modified Stoke AS Spine Score (mSASSS) progression. CILP-M was generated by MMP-1, -8 and -12. In the discovery study, CILP-M was significantly higher in patients with RA, AS and OA than healthy donors (p < 0.01, p < 0.001, p < 0.05) with an area under the curve (AUC) between the diseased groups and healthy donors > 0.95 (p < 0.001). In the validation study, patients with RA and AS had significantly higher CILP-M levels than healthy controls (p < 0.001) and AUC > 0.90 (p < 0.001). Patients with AS treated with TNF- α inhibitory treatment in the validation study had significantly lower CILP-M levels after treatment (p = 0.004). CILP-M may provide useful insights into cartilage degradation processes in rheumatic diseases.
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Affiliation(s)
- Helena Port
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
- Immunoscience, Nordic Bioscience, Herlev Hovedgade 205-207, 2730, Herlev, Denmark.
| | | | - Yi He
- Immunoscience, Nordic Bioscience, Herlev Hovedgade 205-207, 2730, Herlev, Denmark
| | | | - Stephanie Wichuk
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Dovile Sinkeviciute
- Immunoscience, Nordic Bioscience, Herlev Hovedgade 205-207, 2730, Herlev, Denmark
| | | | - Signe Holm Nielsen
- Immunoscience, Nordic Bioscience, Herlev Hovedgade 205-207, 2730, Herlev, Denmark
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Jung BC, You D, Lee I, Li D, Schill RL, Ma K, Pi A, Song Z, Mu WC, Wang T, MacDougald OA, Banks AS, Kang S. TET3 plays a critical role in white adipose development and diet-induced remodeling. Cell Rep 2023; 42:113196. [PMID: 37777963 PMCID: PMC10763978 DOI: 10.1016/j.celrep.2023.113196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 07/28/2023] [Accepted: 09/14/2023] [Indexed: 10/03/2023] Open
Abstract
Maintaining healthy adipose tissue is crucial for metabolic health, requiring a deeper understanding of adipocyte development and response to high-calorie diets. This study highlights the importance of TET3 during white adipose tissue (WAT) development and expansion. Selective depletion of Tet3 in adipose precursor cells (APCs) reduces adipogenesis, protects against diet-induced adipose expansion, and enhances whole-body metabolism. Transcriptomic analysis of wild-type and Tet3 knockout (KO) APCs unveiled TET3 target genes, including Pparg and several genes linked to the extracellular matrix, pivotal for adipogenesis and remodeling. DNA methylation profiling and functional studies underscore the importance of DNA demethylation in gene regulation. Remarkably, targeted DNA demethylation at the Pparg promoter restored its transcription. In conclusion, TET3 significantly governs adipogenesis and diet-induced adipose expansion by regulating key target genes in APCs.
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Affiliation(s)
- Byung Chul Jung
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA
| | - Dongjoo You
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA
| | - Ikjun Lee
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA
| | - Daofeng Li
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA; The Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Rebecca L Schill
- Department of Molecular & Integrative Physiology, University of Michigan School of Medicine, Ann Arbor, MO, USA
| | - Katherine Ma
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA
| | - Anna Pi
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA
| | - Zehan Song
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA
| | - Wei-Chieh Mu
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA
| | - Ting Wang
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA; The Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Ormond A MacDougald
- Department of Molecular & Integrative Physiology, University of Michigan School of Medicine, Ann Arbor, MO, USA
| | - Alexander S Banks
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Sona Kang
- Nutritional Sciences and Toxicology Department, University of California Berkeley, Berkeley, CA, USA.
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Nieves-Rodriguez S, Barthélémy F, Woods JD, Douine ED, Wang RT, Scripture-Adams DD, Chesmore KN, Galasso F, Miceli MC, Nelson SF. Transcriptomic analysis of paired healthy human skeletal muscles to identify modulators of disease severity in DMD. Front Genet 2023; 14:1216066. [PMID: 37576554 PMCID: PMC10415210 DOI: 10.3389/fgene.2023.1216066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 07/04/2023] [Indexed: 08/15/2023] Open
Abstract
Muscle damage and fibro-fatty replacement of skeletal muscles is a main pathologic feature of Duchenne muscular dystrophy (DMD) with more proximal muscles affected earlier and more distal affected later in the disease course, suggesting that different skeletal muscle groups possess distinctive characteristics that influence their susceptibility to disease. To explore transcriptomic factors driving differential gene expression and modulating DMD skeletal muscle severity, we characterized the transcriptome of vastus lateralis (VL), a more proximal and susceptible muscle, relative to tibialis anterior (TA), a more distal and protected muscle, in 15 healthy individuals using bulk RNA sequencing to identify gene expression differences that may mediate their relative susceptibility to damage with loss of dystrophin. Matching single nuclei RNA sequencing data was generated for 3 of the healthy individuals, to infer cell composition in the bulk RNA sequencing dataset and to improve mapping of differentially expressed genes to their cell source of expression. A total of 3,410 differentially expressed genes were identified and mapped to cell type using single nuclei RNA sequencing of muscle, including long non-coding RNAs and protein coding genes. There was an enrichment of genes involved in calcium release from the sarcoplasmic reticulum, particularly in the myofibers and these myofiber genes were higher in the VL. There was an enrichment of genes in "Collagen-Containing Extracellular Matrix" expressed by fibroblasts, endothelial, smooth muscle and pericytes, with most genes higher in the TA, as well as genes in "Regulation Of Apoptotic Process" expressed across all cell types. Previously reported genetic modifiers were also enriched within the differentially expressed genes. We also identify 6 genes with differential isoform usage between the VL and TA. Lastly, we integrate our findings with DMD RNA sequencing data from the TA, and identify "Collagen-Containing Extracellular Matrix" and "Negative Regulation Of Apoptotic Process" as differentially expressed between DMD compared to healthy. Collectively, these findings propose novel candidate mechanisms that may mediate differential muscle susceptibility in muscular dystrophies and provide new insight into potential therapeutic targets.
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Affiliation(s)
- Shirley Nieves-Rodriguez
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
| | - Florian Barthélémy
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
- Department of Microbiology, David Geffen School of Medicine and College of Letters and Sciences, University of California, Los Angeles, Los Angeles, CA, United States
| | - Jeremy D. Woods
- Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Emilie D. Douine
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Richard T. Wang
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
| | - Deirdre D. Scripture-Adams
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
- Department of Microbiology, David Geffen School of Medicine and College of Letters and Sciences, University of California, Los Angeles, Los Angeles, CA, United States
| | - Kevin N. Chesmore
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
| | - Francesca Galasso
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - M. Carrie Miceli
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
- Department of Microbiology, David Geffen School of Medicine and College of Letters and Sciences, University of California, Los Angeles, Los Angeles, CA, United States
| | - Stanley F. Nelson
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Center for Duchenne Muscular Dystrophy at UCLA, Los Angeles, CA, United States
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
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9
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Kim HJ, Kim J, Kim S, Kim HJ. Can cartilage intermediate layer protein 1 (CILP1) use as a novel biomarker for canine myxomatous mitral valve degeneration levels or not? BMC Vet Res 2023; 19:59. [PMID: 36882760 PMCID: PMC9990206 DOI: 10.1186/s12917-023-03583-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 01/20/2023] [Indexed: 03/09/2023] Open
Abstract
BACKGROUND Myxomatous mitral valve degeneration (MMVD) is the most common degenerative heart disease in dogs and is associated with irreversible changes in the valve tissue. Although traditional cardiac biomarkers are efficient for diagnosing MMVD, there are limitations, therefore, it is important to find novel biomarkers. Cartilage intermediate layer protein 1 (CILP1), an extracellular matrix-derived protein, acts as a transforming growth factor-β antagonist and is involved in myocardial fibrosis. This study aimed to evaluate serum CILP1 levels in canines with MMVD. Dogs with MMVD were staged according to the American College of Veterinary Internal Medicine consensus guidelines. Data analysis was performed using the Mann-Whitney U test, Spearman's correlation, and receiver operating characteristic (ROC) curves. RESULTS CILP1 levels were elevated in dogs with MMVD (n = 27) compared to healthy controls (n = 8). Furthermore, results showed that CILP1 levels were significantly higher in stage C group dogs compared to healthy controls. The ROC curve of CILP1 and NT-proBNP were good predictors of MMVD, although no similarity was observed between the two. Left ventricular end-diastolic diameter normalized to the body weight (LVIDdn) and left atrial to aorta dimension (LA/Ao) showed a strong association with CILP1 levels; however, no correlation was observed between CILP1 levels and vertebral heart size (VHS) and vertebral left atrial score (VLAS). The optimal cut-off value was selected from the ROC curve and dogs were classified according to the cut-off value (1.068 ng/mL, sensitivity 51.9%, specificity 100%). Results showed a significant association of CILP1 with cardiac remodeling indicators, such as VHS, VLAS, LA/Ao, and LVIDdn. CONCLUSIONS CILP1 can be an indicator of cardiac remodeling in canines with MMVD and therefore, can be used as an MMVD biomarker.
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Affiliation(s)
- Hyeon-Jin Kim
- Department of Internal Medicine, College of Veterinary Medicine, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, South Korea.,BK 21 Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, South Korea
| | - Jihyun Kim
- Department of Internal Medicine, College of Veterinary Medicine, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, South Korea.,BK 21 Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, South Korea
| | - Soomin Kim
- Department of Internal Medicine, College of Veterinary Medicine, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, South Korea.,BK 21 Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, South Korea
| | - Ha-Jung Kim
- Department of Internal Medicine, College of Veterinary Medicine, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, South Korea. .,BK 21 Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, South Korea.
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Kong D, Huang S, Miao X, Li J, Wu Z, Shi Y, Liu H, Jiang Y, Yu X, Xie M, Shen Z, Cai J, Xi R, Gong W. The dynamic cellular landscape of grafts with acute rejection after heart transplantation. J Heart Lung Transplant 2023; 42:160-172. [PMID: 36411190 DOI: 10.1016/j.healun.2022.10.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 10/17/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Acute cellular rejection (ACR) is a major barrier to the long-term survival of cardiac allografts. Although immune cells are well known to play critical roles in ACR, the dynamic cellular landscape of allografts with ACR remains obscure. METHODS Single-cell RNA sequencing (scRNA-seq) was carried out for mouse cardiac allografts with ACR. Bioinformatic analysis was performed, and subsequent transplant experiments were conducted to validate the findings. RESULTS Despite an overall large depletion of cardiac fibroblasts (CFBs), highly expanded cytotoxic T lymphocytes and a CXCL10+Gbp2+ subcluster of CFBs were enriched within grafts at the late stage. CXCL10+Gbp2+ CFBs featured strong interferon responsiveness and high expression of chemokines and major histocompatibility complex molecules, implying their involvement in the recruitment and activation of immune cells. Cell‒cell communication analysis revealed that CXCL9/CXCL10-CXCR3 might contribute to regulating CXCL10+Gbp2+ CFB-induced chemotaxis and immune cell recruitment. In vivo transplant studies revealed the therapeutic potential of CXCR3 antagonism in transplant rejection. CONCLUSIONS The findings of our study unveiled a novel CFB subcluster that might mediate acute cardiac rejection. Targeting CXCR3 could prolong allograft survival.
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Affiliation(s)
- Deqiang Kong
- Department of Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Siyuan Huang
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Xiaolong Miao
- Department of Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Jiaxin Li
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Zelai Wu
- Department of Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Yang Shi
- School of Mathematical Sciences, Peking University, Beijing, China
| | - Han Liu
- Department of Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Yuancong Jiang
- Department of Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Xing Yu
- Department of Thyroid Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China
| | - Mengyao Xie
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhonghua Shen
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China
| | - Jinzhen Cai
- Division of Hepatology, Liver Disease Center, Organ Transplantation Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ruibin Xi
- School of Mathematical Sciences and Center for Statistical Science, Peking University, Beijing, China.
| | - Weihua Gong
- Department of Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, Zhejiang, China.
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Sarohi V, Chakraborty S, Basak T. Exploring the cardiac ECM during fibrosis: A new era with next-gen proteomics. Front Mol Biosci 2022; 9:1030226. [PMID: 36483540 PMCID: PMC9722982 DOI: 10.3389/fmolb.2022.1030226] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 10/31/2022] [Indexed: 10/24/2023] Open
Abstract
Extracellular matrix (ECM) plays a critical role in maintaining elasticity in cardiac tissues. Elasticity is required in the heart for properly pumping blood to the whole body. Dysregulated ECM remodeling causes fibrosis in the cardiac tissues. Cardiac fibrosis leads to stiffness in the heart tissues, resulting in heart failure. During cardiac fibrosis, ECM proteins get excessively deposited in the cardiac tissues. In the ECM, cardiac fibroblast proliferates into myofibroblast upon various kinds of stimulations. Fibroblast activation (myofibroblast) contributes majorly toward cardiac fibrosis. Other than cardiac fibroblasts, cardiomyocytes, epithelial/endothelial cells, and immune system cells can also contribute to cardiac fibrosis. Alteration in the expression of the ECM core and ECM-modifier proteins causes different types of cardiac fibrosis. These different components of ECM culminated into different pathways inducing transdifferentiation of cardiac fibroblast into myofibroblast. In this review, we summarize the role of different ECM components during cardiac fibrosis progression leading to heart failure. Furthermore, we highlight the importance of applying mass-spectrometry-based proteomics to understand the key changes occurring in the ECM during fibrotic progression. Next-gen proteomics studies will broaden the potential to identify key targets to combat cardiac fibrosis in order to achieve precise medicine-development in the future.
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Affiliation(s)
- Vivek Sarohi
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT)- Mandi, Himachal Pradesh, India
- BioX Center, Indian Institute of Technology (IIT)- Mandi, Himachal Pradesh, India
| | - Sanchari Chakraborty
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT)- Mandi, Himachal Pradesh, India
- BioX Center, Indian Institute of Technology (IIT)- Mandi, Himachal Pradesh, India
| | - Trayambak Basak
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT)- Mandi, Himachal Pradesh, India
- BioX Center, Indian Institute of Technology (IIT)- Mandi, Himachal Pradesh, India
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12
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Yan LL, Wei XH, Shi QP, Pan CS, Li KY, Zhang B, Wang XG, Zheng B, Wang MX, Yan L, Huang P, Liu J, Fan JY, Li H, Wang CS, Chen M, Han JY. Cardiotonic Pills® protects from myocardial fibrosis caused by in stent restenosis in miniature pigs. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 106:154405. [PMID: 36067659 DOI: 10.1016/j.phymed.2022.154405] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/18/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stent implantation has been increasingly applied for the treatment of obstructive coronary artery disease, which, albeit effective, often harasses patients by in-stent restenosis (ISR). PURPOSE The present study was to explore the role of compound Chinese medicine Cardiotonic Pills® (CP) in attenuating ISR-evoked myocardial injury and fibrosis. STUDY DESIGN Chinese miniature pigs were used to establish ISR model by implanting obsolete degradable stents into coronary arteries. Quantitative coronary angiography (QCA) was performed to confirm the success of the model. METHODS CP was given at 0.2 g/kg daily for 30 days after ISR. On day 30 and 60 after stent implantation, the myocardial infarct and myocardial blood flow (MBF) were assessed. Myocardial histology was evaluated by hematoxylin-eosin and Masson's trichrome staining. The content of ATP, MPO, and the activity of mitochondrial respiratory chain complex Ⅳ were determined by ELISA. Western blot was performed to assess the expression of ATP5D and related signaling proteins, and the mediators of myocardial fibrosis. RESULTS Treatment with CP diminished myocardial infarct size, retained myocardium structure, attenuated myocardial fibrosis, and restored MBF. CP ameliorated energy metabolism disorder, attenuated TGFβ1 up-regulation and reversed its downstream gene expression, such as Smad6 and Smad7, and inhibited the increased expression of MCP-1, PR S19, MMP-2 and MMP-9. CONCLUSION CP effectively protects myocardial structure and function from ISR challenge, possibly by regulating energy metabolism via inactivation of RhoA/ROCK signaling pathway and inhibition of monocyte chemotaxis and TGF β1/Smads signaling pathway.
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Affiliation(s)
- Lu-Lu Yan
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China
| | - Xiao-Hong Wei
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Haidian District, Beijing 100191, China
| | - Qiu-Ping Shi
- Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Cardiology, Peking University First Hospital, XiCheng District, Beijing 100034, China
| | - Chun-Shui Pan
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China
| | - Kai-Yin Li
- Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Cardiology, Peking University First Hospital, XiCheng District, Beijing 100034, China
| | - Bin Zhang
- Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Cardiology, Peking University First Hospital, XiCheng District, Beijing 100034, China
| | - Xin-Gang Wang
- Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Cardiology, Peking University First Hospital, XiCheng District, Beijing 100034, China
| | - Bo Zheng
- Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Cardiology, Peking University First Hospital, XiCheng District, Beijing 100034, China
| | - Ming-Xia Wang
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China
| | - Li Yan
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China
| | - Ping Huang
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China
| | - Jian Liu
- Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Haidian District, Beijing 100191, China
| | - Jing-Yu Fan
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Haidian District, Beijing 100191, China
| | - Huan Li
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China
| | - Chuan-She Wang
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Haidian District, Beijing 100191, China
| | - Ming Chen
- Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Cardiology, Peking University First Hospital, XiCheng District, Beijing 100034, China.
| | - Jing-Yan Han
- Tasly Microcirculation Research Center, Peking University Health Science Center, Haidian District, Beijing 100191, China; Key Laboratory of Stasis and Phlegm, State Administration of Traditional Chinese Medicine of the People's Republic of China, Haidian District, Beijing 100191, China; State Key Laboratory of Core Technology in Innovative Chinese Medicine, Haidian District, Beijing 100191, China; Beijing Laboratory of Integrative Microangiopathy, Haidian District, Beijing 100191, China; Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Haidian District, Beijing 100191, China.
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Zhang ZY, Zhai C, Yang XY, Li HB, Wu LL, Li L. Knockdown of CD146 promotes endothelial-to-mesenchymal transition via Wnt/β-catenin pathway. PLoS One 2022; 17:e0273542. [PMID: 36001597 PMCID: PMC9401105 DOI: 10.1371/journal.pone.0273542] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 08/10/2022] [Indexed: 11/27/2022] Open
Abstract
Purpose Cardiac fibrosis is characterized by the excessive deposition of extracellular matrix (ECM) proteins and leads to the maladaptive changes in myocardium. Endothelial cells (ECs) undergoing mesenchymal transition contributes to the occurrence and development of cardiac fibrosis. CD146 is an adhesion molecule highly expressed in ECs. The present study was performed to explore the role of CD146 in modulating endothelial to mesenchymal transition (EndMT). Methods C57BL/6 mice were subjected to subcutaneous implantation of osmotic minipump infused with angiotensin II (Ang Ⅱ). Adenovirus carrying CD146 short hairpin RNA (shRNA) or CD146 encoding sequence were infected into cultured human umbilical vein endothelial cells (HUVECs) followed by stimulation with Ang II or transforming growth factor-β1 (TGF-β1). Differentially expressed genes were revealed by RNA-sequencing (RNA-Seq) analysis. Gene expression was measured by quantitative real-time PCR, and protein expression and distribution were determined by Western blot and immunofluorescence staining, respectively. Results CD146 was predominantly expressed by ECs in normal mouse hearts. CD146 was upregulated in ECs but not fibroblasts and myocytes in hearts of Ang II-infused mice and in HUVECs stimulated with Ang Ⅱ. RNA-Seq analysis revealed the differentially expressed genes related to EndMT and Wnt/β-catenin signaling pathway. CD146 knockdown and overexpression facilitated and attenuated, respectively, EndMT induced by Ang II or TGF-β1. CD146 knockdown upregulated Wnt pathway-related genes including Wnt4, LEF1, HNF4A, FOXA1, SOX6, and CCND3, and increased the protein level and nuclear translocation of β-catenin. Conclusions Knockdown of CD146 exerts promotional effects on EndMT via activating Wnt/β-catenin pathway and the upregulation of CD146 might play a protective role against EndMT and cardiac fibrosis.
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Affiliation(s)
- Zhao-Yu Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - Chao Zhai
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - Xue-Yuan Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - Hai-Bing Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - Li-Ling Wu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - Li Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
- * E-mail:
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Serum Concentrations of Cartilage Intermediate Layer Protein 2 Were Higher in Overweight and Obese Subjects. BIOMED RESEARCH INTERNATIONAL 2022; 2022:6290064. [PMID: 35757483 PMCID: PMC9225864 DOI: 10.1155/2022/6290064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 11/26/2022]
Abstract
Background Cartilage intermediate layer protein 2 (CILP2) is associated with a variety of plasma lipoproteins and lipid traits. However, the correlation between CILP2 and obesity remains unknown. The aim of this study was to investigate the relationship between circulating CILP2 levels and obesity based on body mass index (BMI). Methods A total of 252 subjects were divided into three groups: normal weight (n = 124), overweight (n = 94), and obese (n = 34). Metabolic parameters were measured in a fasting state. Serum CILP2 concentration was tested by enzyme-linked immunosorbent assay. Multivariate linear regression analysis was used to explore the relationship between CILP2 and obesity. We also conducted bioinformatics analysis to further explore the genes and signaling pathways related to CILP2. Results The concentrations of serum CILP2 in the overweight and obese groups were significantly higher than that in the normal weight group. In multiple linear regression analysis, BMI was positively correlated with CILP2 concentration after controlling gender and age. Being overweight and obese were independently correlated with CILP2 concentration after adjusting for gender, age, SBP, DBP, FBG, 2-hour OGTT blood glucose (2h-BG), fasting blood insulin (FIns), TG, TC, HDL-C, LDL-C, and FFA. Bioinformatics analysis showed that the genes related to CILP2 are primarily associated with lipid metabolism and insulin resistance. Conclusion We speculate that CILP2 may attribute to metabolic disorders in obesity.
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Keranov S, Jafari L, Haen S, Vietheer J, Kriechbaum S, Dörr O, Liebetrau C, Troidl C, Rutsatz W, Rieth A, Hamm CW, Nef H, Rolf A, Keller T. CILP1 as a biomarker for right ventricular dysfunction in patients with ischemic cardiomyopathy. Pulm Circ 2022; 12:e12062. [PMID: 35506075 PMCID: PMC9052998 DOI: 10.1002/pul2.12062] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 01/09/2022] [Accepted: 03/05/2022] [Indexed: 11/08/2022] Open
Affiliation(s)
- Stanislav Keranov
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
| | - Leili Jafari
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
| | - Saskia Haen
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
| | - Julia Vietheer
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
| | - Steffen Kriechbaum
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
| | - Oliver Dörr
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
| | - Christoph Liebetrau
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
- Cardiovascular Center Bethanien (CCB) Frankfurt Germany
| | - Christian Troidl
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
| | - Wiebke Rutsatz
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
| | - Andreas Rieth
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
| | - Christian W. Hamm
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
| | - Holger Nef
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
| | - Andreas Rolf
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
| | - Till Keller
- Department of Internal Medicine I, Cardiology and Angiology Justus‐Liebig‐University Giessen Germany
- DZHK (German Center for Cardiovascular Research), Partner Site RheinMain Bad Nauheim Germany
- Department of Cardiology Kerckhoff Heart and Lung Center Bad Nauheim Germany
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Trott AJ, Greenwell BJ, Karhadkar TR, Guerrero-Vargas NN, Escobar C, Buijs RM, Menet JS. Lack of food intake during shift work alters the heart transcriptome and leads to cardiac tissue fibrosis and inflammation in rats. BMC Biol 2022; 20:58. [PMID: 35236346 PMCID: PMC8892784 DOI: 10.1186/s12915-022-01256-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 02/16/2022] [Indexed: 12/14/2022] Open
Abstract
Background Many epidemiological studies revealed that shift work is associated with an increased risk of a number of pathologies, including cardiovascular diseases. An experimental model of shift work in rats has additionally been shown to recapitulate aspects of metabolic disorders observed in human shift workers, including increased fat content and impaired glucose tolerance, and used to demonstrate that restricting food consumption outside working hours prevents shift work-associated obesity and metabolic disturbance. However, the way distinct shift work parameters, such as type of work, quantity, and duration, affect cardiovascular function and the underlying mechanisms, remains poorly understood. Here, we used the rat as a model to characterize the effects of shift work in the heart and determine whether they can be modulated by restricting food intake during the normal active phase. Results We show that experimental shift work reprograms the heart cycling transcriptome independently of food consumption. While phases of rhythmic gene expression are distributed across the 24-h day in control rats, they are clustered towards discrete times in shift workers. Additionally, preventing food intake during shift work affects the expression level of hundreds of genes in the heart, including genes encoding components of the extracellular matrix and inflammatory markers found in transcriptional signatures associated with pressure overload and cardiac hypertrophy. Consistent with this, the heart of shift worker rats not eating during work hours, but having access to food outside of shift work, exhibits increased collagen 1 deposition and displays increased infiltration by immune cells. While maintaining food access during shift work has less effects on gene expression, genes found in transcriptional signatures of cardiac hypertrophy remain affected, and the heart of shift worker rats exhibits fibrosis without inflammation. Conclusions Together, our findings unraveled differential effects of food consumption on remodeled transcriptional profiles of the heart in shift worker rats. They also provide insights into how shift work affects cardiac function and suggest that some interventions aiming at mitigating metabolic disorders in shift workers may have adverse effects on cardiovascular diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-022-01256-9.
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Affiliation(s)
- Alexandra J Trott
- Department of Biology, Texas A&M University, College Station, TX, 77843, USA.,Program of Genetics, Texas A&M University, College Station, TX, 77843, USA.,Center for Biological Clock Research, Texas A&M University, College Station, TX, 77843, USA
| | - Ben J Greenwell
- Department of Biology, Texas A&M University, College Station, TX, 77843, USA.,Program of Genetics, Texas A&M University, College Station, TX, 77843, USA.,Center for Biological Clock Research, Texas A&M University, College Station, TX, 77843, USA
| | - Tejas R Karhadkar
- Department of Biology, Texas A&M University, College Station, TX, 77843, USA.,Program of Genetics, Texas A&M University, College Station, TX, 77843, USA
| | - Natali N Guerrero-Vargas
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico
| | - Carolina Escobar
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico
| | - Ruud M Buijs
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico
| | - Jerome S Menet
- Department of Biology, Texas A&M University, College Station, TX, 77843, USA. .,Program of Genetics, Texas A&M University, College Station, TX, 77843, USA. .,Center for Biological Clock Research, Texas A&M University, College Station, TX, 77843, USA.
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17
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Zhang J, Wang C, An Q, Quan Q, Li M, Zhao D. Gene Expression Profile Analyses of the Skin Response of Balb/c-Nu Mice Model Injected by Staphylococcus aureus. Clin Cosmet Investig Dermatol 2022; 15:217-235. [PMID: 35210800 PMCID: PMC8857954 DOI: 10.2147/ccid.s348961] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 01/20/2022] [Indexed: 01/20/2023]
Abstract
Background Pathogenesis and persistence of many skin diseases are related to Staphylococcus aureus (S. aureus) colonization. S. aureus infection can cause varying degrees of changes in cell gene expression, resulting in complex changes in cell phenotype and finally changes in cell life activities. Materials and Methods The transcriptomes of healthy and Staphylococcus aureus (S. aureus)-infected murine skin tissues were analyzed. We identified 638 differentially expressed genes (DEGs) in the infected tissues compared to the control samples, of which 324 were upregulated and 314 were downregulated, following the criteria of P < 0.01 and |log2FC| > 3. The DEGs were functionally annotated by Gene Ontology (GO), KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway and the protein–protein interaction (PPI) network analyses. Results The upregulated DEGs were mainly enriched in GO terms, such as response to stimulus, immune system process and signal transduction, as well as in the complement and coagulation cascade pathway. Thus, S. aureus infection likely activates these pathways to limit the influx of neutrophils and prevent skin damage. Four clusters were identified in the PPI network, and the major hubs were mainly related to cell cycle and proliferation, and mostly downregulated. The expression levels of Nox4, Mmrn1, Mcm5, Msx1 and Fgf5 mRNAs were validated by qRT-PCR and found to be consistent with the RNA-Seq data, confirming a strong correlation between the two approaches. Conclusion The identified genes and pathways are potential drug targets for treating skin inflammation caused by S. aureus and should be investigated further.
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Affiliation(s)
- Jiachan Zhang
- Beijing Key Lab of Plant Resource Research and Development, College of chemistry and materials engineering, Beijing Technology and Business University, Beijing, 100048, People's Republic of China
| | - Changtao Wang
- Beijing Key Lab of Plant Resource Research and Development, College of chemistry and materials engineering, Beijing Technology and Business University, Beijing, 100048, People's Republic of China
| | - Quan An
- Yunnan Baiyao Group Co., Ltd., Kunming, 650000, People's Republic of China
| | - Qianghua Quan
- Yunnan Baiyao Group Co., Ltd., Kunming, 650000, People's Republic of China
| | - Meng Li
- Yunnan Baiyao Group Co., Ltd., Kunming, 650000, People's Republic of China
| | - Dan Zhao
- Beijing Key Lab of Plant Resource Research and Development, College of chemistry and materials engineering, Beijing Technology and Business University, Beijing, 100048, People's Republic of China
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18
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Wang C, Jian W, Luo Q, Cui J, Qing Y, Qin C, Li G, Chen W. Prognostic value of cartilage intermediate layer protein 1 in chronic heart failure. ESC Heart Fail 2021; 9:345-352. [PMID: 34939356 PMCID: PMC8787959 DOI: 10.1002/ehf2.13746] [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: 06/17/2021] [Revised: 11/03/2021] [Accepted: 11/17/2021] [Indexed: 11/09/2022] Open
Abstract
AIMS Emerging evidence suggests that cartilage intermediate layer protein 1 (CILP-1) is associated with myocardial remodelling. However, the prognostic value of circulating CILP-1 in patients with heart failure (HF) remains to be elucidated. This study aimed to investigate whether circulating CILP-1 can independently predict the outcome of chronic HF. METHODS AND RESULTS This prospective cohort study included 210 patients with chronic HF and left ventricular ejection fraction <50% between September 2018 and December 2019. The primary endpoint was 1 year all-cause mortality. During the 1 year follow-up, 28 patients died. In multivariable Cox proportional hazards regression analysis, higher CILP-1 levels were independently associated with a higher risk of mortality after adjusting for potential confounding factors. In Kaplan-Meier analysis, patients with CILP-1 levels above the median had a significantly higher mortality rate than those with CILP-1 levels below the median (log-rank P = 0.015). In addition, CILP-1 significantly improved prognostic prediction over N-terminal pro-brain natriuretic peptide by an increase in net reclassification improvement (P = 0.043) and a trend towards an increase in integrated discrimination improvement (P = 0.118). CONCLUSIONS Circulating CILP-1 is a novel independent prognostic predictor in chronic HF.
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Affiliation(s)
- Can Wang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Wen Jian
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Qiuhu Luo
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Jiasheng Cui
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Yali Qing
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Chunyu Qin
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Gaoye Li
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Wuxian Chen
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road, Nanning, Guangxi, 530021, China
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19
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Proteomic Analysis of Human Serum for Patients at Different Pathological Stages of Hepatic Fibrosis. BIOMED RESEARCH INTERNATIONAL 2021; 2021:3580090. [PMID: 34877354 PMCID: PMC8645358 DOI: 10.1155/2021/3580090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 10/15/2021] [Indexed: 12/24/2022]
Abstract
Background Hepatic fibrosis is a severe liver disease that has threatened human health for a long time. In order to undergo timely and adequate therapy, it is important for patients to obtain an accurate diagnosis of fibrosis. Laboratory inspection methods have been efficient in distinguishing between advanced hepatic fibrosis stages (F3, F4), but the identification of early stages of fibrosis has not been achieved. The development of proteomics may provide us with a new direction to identify the stages of fibrosis. Methods We established serum proteomic maps for patients with hepatic fibrosis at different stages and identified differential expression of proteins between fibrosis stages through ultra-high-performance liquid chromatography tandem mass spectrometry proteomic analysis. Results From the proteomic profiles of the serum of patients with different stages of liver fibrosis, a total of 1,338 proteins were identified. Among three early fibrosis stages (control, F1, and F2), 55 differential proteins were identified, but no proteins simultaneously exhibited differential expression between control, F1, and F2. Differential proteins were detected in the comparison between different fibrosis stages. Significant differences were found between advanced fibrosis stages (F2-vs.-F3 and F3-vs.-F4) through a series of statistical analysis, including hierarchical clustering, Gene Ontology (GO) functional annotation, Kyoto Encyclopedia of Genes and Genomes pathway, and protein-protein interaction network analysis. The differential proteins identified by GO annotation were associated with biological processes (mainly platelet degranulation and cell adhesion), molecular functions, and cellular components. Conclusions All potential biomarkers identified between the stages of fibrosis could be key points in determining the fibrosis staging. The differences between early stages may provide a useful reference in addressing the challenge of early fibrosis staging.
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20
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Pinto AR. Matricellular Proteins As Critical Regulators of Fibrosis. Circ Res 2021; 129:1036-1038. [PMID: 34762503 DOI: 10.1161/circresaha.121.320273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Alexander R Pinto
- Baker Heart and Diabetes Research Institute, Melbourne, Victoria, Australia (A.R.P.).,Centre for Cardiovascular Biology and Disease Research, La Trobe University, Melbourne, Victoria, Australia (A.R.P.)
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21
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Zhang QJ, He Y, Li Y, Shen H, Lin L, Zhu M, Wang Z, Luo X, Hill JA, Cao D, Luo RL, Zou R, McAnally J, Liao J, Bajona P, Zang QS, Yu Y, Liu ZP. Matricellular Protein Cilp1 Promotes Myocardial Fibrosis in Response to Myocardial Infarction. Circ Res 2021; 129:1021-1035. [PMID: 34610755 DOI: 10.1161/circresaha.121.319482] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Qing-Jun Zhang
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Yu He
- Department of Clinical Laboratory, First Affiliated hospital of Guangxi Medical University, China (Y.H.)
| | - Yongnan Li
- The Sixth General Surgery, Biliary & Vascular surgery, Shengjing Hospital of China Medical University, China (Y.L.)
| | - Huali Shen
- Institutes of Biochemical Science, Fudan University, China (H.S., L.L.)
| | - Ling Lin
- Institutes of Biochemical Science, Fudan University, China (H.S., L.L.)
| | - Min Zhu
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Zhaoning Wang
- Department of Molecular Biology (Z.W., J.A.H., J.M., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Xiang Luo
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Joseph A Hill
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX.,Department of Molecular Biology (Z.W., J.A.H., J.M., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Dian Cao
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Richard L Luo
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Raymond Zou
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - John McAnally
- Department of Molecular Biology (Z.W., J.A.H., J.M., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
| | - Jun Liao
- Department of Bioengineering, University of Texas at Arlington (J.L.)
| | - Pietro Bajona
- Department of Cardiovascular and Thoracic Surgery (P.B.), UT Southwestern Medical Center, Dallas, TX.,Allegheny Health Network-Drexel University College of Medicine, Pittsburgh, PA (P.B.)
| | - Qun S Zang
- Department of Surgery, Stritch School of Medicine, Burn & Shock Trauma Research Institute, Loyola University, Maywood, IL (Q.S.Z.)
| | - Yonghao Yu
- Department of Biochemistry (Y.Y.), UT Southwestern Medical Center, Dallas, TX
| | - Zhi-Ping Liu
- Internal Medicine-Cardiology Division (Q.-J.Z., M.Z., X.L., J.A.H., D.C., R.L.L., R.Z., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX.,Department of Molecular Biology (Z.W., J.A.H., J.M., Z.-P.L.), UT Southwestern Medical Center, Dallas, TX
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22
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New perspectives of the cardiac cellular landscape: mapping cellular mediators of cardiac fibrosis using single-cell transcriptomics. Biochem Soc Trans 2021; 48:2483-2493. [PMID: 33259583 DOI: 10.1042/bst20191255] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 12/12/2022]
Abstract
Single-cell transcriptomics enables inference of context-dependent phenotypes of individual cells and determination of cellular diversity of complex tissues. Cardiac fibrosis is a leading factor in the development of heart failure and a major cause of morbidity and mortality worldwide with no effective treatment. Single-cell RNA-sequencing (scRNA-seq) offers a promising new platform to identify new cellular and molecular protagonists that may drive cardiac fibrosis and development of heart failure. This review will summarize the application scRNA-seq for understanding cardiac fibrosis and development of heart failure. We will also discuss some key considerations in interpreting scRNA-seq data and some of its limitations.
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23
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Jia S, Chen F, Wang H, Kesavamoorthy G, Lai JSM, Wong IYH, Chiu K, Chan JCH. Effect of Vitamin D3 on Regulating Human Tenon's Fibroblasts Activity. Transl Vis Sci Technol 2021; 10:7. [PMID: 34251424 PMCID: PMC8287040 DOI: 10.1167/tvst.10.8.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To study the in vitro effect of vitamin D3 on the healing response of human Tenon's fibroblasts (HTF) and its possible role in preventing excessive postoperative subconjunctival fibrosis. Methods Effect of vitamin D3 on cytotoxicity and cell survival of primary cultured HTF was measured by lactate dehydrogenase and PrestoBlue assays, respectively. Proliferation and migration of vitamin D3-treated HTF (D3-HTF) was determined by CyQUANT proliferation and scratch assay, respectively. The mRNA expression profiles of control-HTF and D3-HTF from six subjects (three with glaucoma and long-term use of topical medications, three with primary pterygium) were assessed by RNA sequencing analyses to identify potential biomarkers for the inhibitory effect on HTF by vitamin D3. Validation of these biomarkers and their potential pathways were performed by quantitative real-time polymerase chain reaction (qRT-PCR) detection. Results Pure monolayers of HTF from controls (retinal detachment or squint surgeries), pterygium, and glaucoma subjects were successfully prepared and passaged. Proliferation and migration of pterygium and glaucoma HTF were inhibited by vitamin D3 in a dose-dependent manner, and without cytotoxicity or decrease in cellular viability with concentrations up to 10 µM. The qRT-PCR results were consistent with the transcriptome analyses, vitamin D3 appears to enhance CYP24A1, SHE, KRT16 but suppresses CILP expression in HTF. Conclusions Vitamin D3 can inhibit the in vitro activity of HTF without compromising cellular survivability at concentration up to 10 µM. This has potential clinical application for improving the outcome of pterygium and filtering surgeries. Translational Relevance Vitamin D3 can suppress the in vitro proliferation, migration, and transdifferentiation of human Tenon's fibroblasts, without the cytotoxicity of mitomycin-C, the current standard antifibrotic agent in clinical use.
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Affiliation(s)
- Shuo Jia
- Department of Ophthalmology, LKS Faculty of Medicine, University of Hong Kong, Hong Kong
| | - Fushun Chen
- Department of Ophthalmology, LKS Faculty of Medicine, University of Hong Kong, Hong Kong
| | - Huogang Wang
- Department of Ophthalmology, LKS Faculty of Medicine, University of Hong Kong, Hong Kong
| | | | - Jimmy Shiu-Ming Lai
- Department of Ophthalmology, LKS Faculty of Medicine, University of Hong Kong, Hong Kong
| | - Ian Yat-Hing Wong
- Department of Ophthalmology, LKS Faculty of Medicine, University of Hong Kong, Hong Kong
| | - Kin Chiu
- Department of Ophthalmology, LKS Faculty of Medicine, University of Hong Kong, Hong Kong
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24
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Insight into the Pro-inflammatory and Profibrotic Role of Macrophage in Heart Failure With Preserved Ejection Fraction. J Cardiovasc Pharmacol 2021; 76:276-285. [PMID: 32501838 DOI: 10.1097/fjc.0000000000000858] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The prevalence of heart failure (HF) with preserved ejection fraction (HFpEF) is higher than that of HF with reduced/midrange ejection fraction (HFrEF/HFmrEF). However, no evidence-based guidelines for managing HFpEF have been generated. The current body of knowledge indicates that fibrosis and inflammation are important components of the cardiac remodeling process in HFpEF. In addition, macrophages potentially play an important role in pro-inflammatory and profibrotic processes in HFpEF patients, whereas HFpEF comorbidities could be a driving force for systemic microvascular inflammation and endothelial dysfunction. Under such circumstances, macrophages reportedly contribute to inflammation and fibrosis through 3 phases namely, inflammation, repair, and resolution. Signal transduction pathway-targeted therapies using animal experiments have generated important discoveries and breakthroughs for understanding the underlying mechanisms of HFpEF. However, only a handful of studies have reported promising results using human trials. Further investigations are therefore needed to elucidate the exact mechanisms underlying HFpEF and immune-pathogenesis of cardiac fibrosis.
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25
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Zhang Y, Yang B, Davis JM, Drake MM, Younes M, Shen Q, Zhao Z, Cao Y, Ko TC. Distinct Murine Pancreatic Transcriptomic Signatures during Chronic Pancreatitis Recovery. Mediators Inflamm 2021; 2021:5595464. [PMID: 34104113 PMCID: PMC8158417 DOI: 10.1155/2021/5595464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/15/2021] [Accepted: 04/25/2021] [Indexed: 11/17/2022] Open
Abstract
We have previously demonstrated that the pancreas can recover from chronic pancreatitis (CP) lesions in the cerulein-induced mouse model. To explore how pancreatic recovery is achieved at the molecular level, we used RNA-sequencing (seq) and profiled transcriptomes during CP transition to recovery. CP was induced by intraperitoneally injecting cerulein in C57BL/6 mice. Time-matched controls (CON) were given normal saline. Pancreata were harvested from mice 4 days after the final injections (designated as CP and CON) or 4 weeks after the final injections (designated as CP recovery (CPR) and control recovery (CONR)). Pancreatic RNAs were extracted for RNA-seq and quantitative (q) PCR validation. Using RNA-seq, we identified a total of 3,600 differentially expressed genes (DEGs) in CP versus CON and 166 DEGs in CPR versus CONR. There are 132 DEGs overlapped between CP and CPR and 34 DEGs unique to CPR. A number of selected pancreatic fibrosis-relevant DEGs were validated by qPCR. The top 20 gene sets enriched from DEGs shared between CP and CPR are relevant to extracellular matrix and cancer biology, whereas the top 10 gene sets enriched from DEGs specific to CPR are pertinent to DNA methylation and specific signaling pathways. In conclusion, we identified a distinct set of DEGs in association with extracellular matrix and cancer cell activities to contrast CP and CPR. Once during ongoing CP recovery, DEGs relevant to DNA methylation and specific signaling pathways were induced to express. The DEGs shared between CP and CPR and the DEGs specific to CPR may serve as the unique transcriptomic signatures and biomarkers for determining CP recovery and monitoring potential therapeutic responses at the molecular level to reflect pancreatic histological resolution.
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Affiliation(s)
- Yinjie Zhang
- Department of Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Baibing Yang
- Department of Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Joy M. Davis
- Department of Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Madeline M. Drake
- Department of Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Mamoun Younes
- Department of Pathology & Laboratory Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
- Department of Pathology, George Washington University School of Medicine and Health Sciences, Washington, DC 20037, USA
| | - Qiang Shen
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA
| | - Zhongming Zhao
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
- Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Yanna Cao
- Department of Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Tien C. Ko
- Department of Surgery, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
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26
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Cheng J, Gu W, Lan T, Deng J, Ni Z, Zhang Z, Hu Y, Sun X, Yang Y, Xu Q. Single-cell RNA sequencing reveals cell type- and artery type-specific vascular remodelling in male spontaneously hypertensive rats. Cardiovasc Res 2021; 117:1202-1216. [PMID: 32589721 PMCID: PMC7983007 DOI: 10.1093/cvr/cvaa164] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/08/2020] [Accepted: 06/18/2020] [Indexed: 01/09/2023] Open
Abstract
AIMS Hypertension is a major risk factor for cardiovascular diseases. However, vascular remodelling, a hallmark of hypertension, has not been systematically characterized yet. We described systematic vascular remodelling, especially the artery type- and cell type-specific changes, in hypertension using spontaneously hypertensive rats (SHRs). METHODS AND RESULTS Single-cell RNA sequencing was used to depict the cell atlas of mesenteric artery (MA) and aortic artery (AA) from SHRs. More than 20 000 cells were included in the analysis. The number of immune cells more than doubled in aortic aorta in SHRs compared to Wistar Kyoto controls, whereas an expansion of MA mesenchymal stromal cells (MSCs) was observed in SHRs. Comparison of corresponding artery types and cell types identified in integrated datasets unravels dysregulated genes specific for artery types and cell types. Intersection of dysregulated genes with curated gene sets including cytokines, growth factors, extracellular matrix (ECM), receptors, etc. revealed vascular remodelling events involving cell-cell interaction and ECM re-organization. Particularly, AA remodelling encompasses upregulated cytokine genes in smooth muscle cells, endothelial cells, and especially MSCs, whereas in MA, change of genes involving the contractile machinery and downregulation of ECM-related genes were more prominent. Macrophages and T cells within the aorta demonstrated significant dysregulation of cellular interaction with vascular cells. CONCLUSION Our findings provide the first cell landscape of resistant and conductive arteries in hypertensive animal models. Moreover, it also offers a systematic characterization of the dysregulated gene profiles with unbiased, artery type-specific and cell type-specific manners during hypertensive vascular remodelling.
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Affiliation(s)
- Jun Cheng
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, 319 Zhongshan Road, Luzhou 646000, China
| | - Wenduo Gu
- School of Cardiovascular Medicine and Sciences, King’s College London BHF Centre, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Ting Lan
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, 319 Zhongshan Road, Luzhou 646000, China
| | - Jiacheng Deng
- School of Cardiovascular Medicine and Sciences, King’s College London BHF Centre, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Zhichao Ni
- School of Cardiovascular Medicine and Sciences, King’s College London BHF Centre, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Zhongyi Zhang
- School of Cardiovascular Medicine and Sciences, King’s College London BHF Centre, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Yanhua Hu
- School of Cardiovascular Medicine and Sciences, King’s College London BHF Centre, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Xiaolei Sun
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, 319 Zhongshan Road, Luzhou 646000, China
- School of Cardiovascular Medicine and Sciences, King’s College London BHF Centre, 125 Coldharbour Lane, London SE5 9NU, UK
- Vascular Surgery Department, Affiliated Hospital of Southwest Medical University, 25 Taiping Street, Luzhou 646000, Sichuan, China
| | - Yan Yang
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, 319 Zhongshan Road, Luzhou 646000, China
| | - Qingbo Xu
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, 319 Zhongshan Road, Luzhou 646000, China
- School of Cardiovascular Medicine and Sciences, King’s College London BHF Centre, 125 Coldharbour Lane, London SE5 9NU, UK
- Department of Cardiology, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou 310003, Zhejiang, China
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27
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Wu X, Liu X, Wang H, Zhou Z, Yang C, Li Z, Zhang Y, Shi X, Zhang L, Wang Y, Xian X, Liu G, Huang W. Seipin Deficiency Accelerates Heart Failure Due to Calcium Handling Abnormalities and Endoplasmic Reticulum Stress in Mice. Front Cardiovasc Med 2021; 8:644128. [PMID: 33778025 PMCID: PMC7990891 DOI: 10.3389/fcvm.2021.644128] [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: 12/20/2020] [Accepted: 02/15/2021] [Indexed: 12/19/2022] Open
Abstract
Seipin deficiency can induce hypertrophic cardiomyopathy and heart failure, which often leads to death in humans. To explore the effects and the possible mechanisms of Seipin deficiency in myocardial remodeling, Seipin knockout (SKO) mice underwent transverse aortic constriction (TAC) for 12 weeks. We found a more severe left ventricular hypertrophy and diastolic heart failure and increases in inflammatory cell infiltration, collagen deposition, and apoptotic bodies in the SKO group compared to those in the wild type (WT) group after TAC. Electron microscopy also showed a more extensive sarcoplasmic reticulum expansion, deformation of microtubules, and formation of mitochondrial lesions in the cardiomyocytes of SKO mice than in those of WT mice after TAC. Compared with the WT group, the SKO group showed increases in endoplasmic reticulum (ER) stress-, inflammation-, and fibrosis-related gene expression, while calcium ion-related factors, such as Serca2a and Ryr, were decreased in the SKO group after TAC. Increased levels of the ER stress-related protein GRP78 and decreased SERCA2a and P-RYR protein levels were detected in the SKO group compared with the WT group after TAC. Slowing of transient Ca2+ current decay and an increased SR Ca2+ content in myocytes were detected in the cardiomyocytes of SKO mice. Adipose tissue transplantation could not rescue the cardiac hypertrophy after TAC in SKO mice. In conclusion, we found that Seipin deficiency could promote cardiac hypertrophy and diastolic heart failure after TAC in mice. These changes may be related to the impairment of myocardial calcium handling, ER stress, inflammation, and apoptosis.
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Affiliation(s)
- Xiaoyue Wu
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Xuejing Liu
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Huan Wang
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Zihao Zhou
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Chengzhi Yang
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Zijian Li
- Institute of Vascular Medicine, Peking University Third Hospital, Beijing, China
| | - Youyi Zhang
- Institute of Vascular Medicine, Peking University Third Hospital, Beijing, China
| | - XiaoLu Shi
- Experimental Research Center, China Academy of Chinese Medical Science, Beijing, China
| | - Ling Zhang
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Yuhui Wang
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Xunde Xian
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - George Liu
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Wei Huang
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
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Exome-wide evaluation of rare coding variants using electronic health records identifies new gene-phenotype associations. Nat Med 2021; 27:66-72. [PMID: 33432171 PMCID: PMC8775355 DOI: 10.1038/s41591-020-1133-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/13/2020] [Indexed: 01/18/2023]
Abstract
The clinical impact of rare loss-of-function variants has yet to be determined for most genes. Integration of DNA sequencing data with electronic health records (EHRs) could enhance our understanding of the contribution of rare genetic variation to human disease1. By leveraging 10,900 whole-exome sequences linked to EHR data in the Penn Medicine Biobank, we addressed the association of the cumulative effects of rare predicted loss-of-function variants for each individual gene on human disease on an exome-wide scale, as assessed using a set of diverse EHR phenotypes. After discovering 97 genes with exome-by-phenome-wide significant phenotype associations (P < 10-6), we replicated 26 of these in the Penn Medicine Biobank, as well as in three other medical biobanks and the population-based UK Biobank. Of these 26 genes, five had associations that have been previously reported and represented positive controls, whereas 21 had phenotype associations not previously reported, among which were genes implicated in glaucoma, aortic ectasia, diabetes mellitus, muscular dystrophy and hearing loss. These findings show the value of aggregating rare predicted loss-of-function variants into 'gene burdens' for identifying new gene-disease associations using EHR phenotypes in a medical biobank. We suggest that application of this approach to even larger numbers of individuals will provide the statistical power required to uncover unexplored relationships between rare genetic variation and disease phenotypes.
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Liu L, He J, Liu C, Yang M, Fu J, Yi J, Ai X, Liu M, Zhuang Y, Zhang Y, Huang B, Li C, Zhou Y, Feng C. Cartilage intermediate layer protein affects the progression of intervertebral disc degeneration by regulating the extracellular microenvironment (Review). Int J Mol Med 2020; 47:475-484. [PMID: 33416131 PMCID: PMC7797476 DOI: 10.3892/ijmm.2020.4832] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 11/27/2020] [Indexed: 12/25/2022] Open
Abstract
Intervertebral disc degeneration (IDD), which is caused by multiple factors, affects the health of individuals and contributes to low back pain. The pathology of IDD is complicated, and changes in the extracellular microenvironment play an important role in promoting the process of degeneration. Cartilage intermediate layer protein (CILP) is a matrix protein that resides in the middle of human articular cartilage and is involved in numerous diseases that affect cartilage. However, there is no detailed review of the relationship between CILP and degenerative disc disease. Growing evidence has revealed the presence of CILP in the extracellular microenvironment of intervertebral discs (IVDs) and has suggested that there is a gradual increase in CILP in degenerative discs. Specifically, CILP plays an important role in regulating the metabolism of the extracellular matrix (ECM), an important component of the extracellular microenvironment. CILP can combine with transforming growth factor-β or insulin-like growth factor-1 to regulate the ECM synthesis of IVDs and influence the balance of ECM metabolism, which leads to changes in the extracellular microenvironment to promote the process of IDD. It may be possible to show the correlation of CILP with IDD and to target CILP to interfere with IDD. For this purpose, in the present study, the current knowledge on CILP was summarized and a detailed description of CILP in discs was provided.
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Affiliation(s)
- Libangxi Liu
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Jinyue He
- Department of Orthopedics, Xi'nan Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Chang Liu
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Minghui Yang
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Jiawei Fu
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Jiarong Yi
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Xuezheng Ai
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Miao Liu
- Department of Orthopedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Yong Zhuang
- Department of Orthopedics, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Yaqing Zhang
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Bo Huang
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Changqing Li
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Yue Zhou
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
| | - Chencheng Feng
- Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing 400037, P.R. China
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30
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Zhao Q, Zhang CL, Xiang RL, Wu LL, Li L. CTRP15 derived from cardiac myocytes attenuates TGFβ1-induced fibrotic response in cardiac fibroblasts. Cardiovasc Drugs Ther 2020; 34:591-604. [PMID: 32424654 DOI: 10.1007/s10557-020-06970-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE Cardiac fibrosis is characterized by net accumulation of extracellular matrix (ECM) components in the myocardium and facilitates the development of heart failure. C1q/tumor necrosis factor-related protein 15 (CTRP15) is a novel member of the CTRP family, and its gene expression is detected in adult mouse hearts. The present study was performed to determine the effect of CTRP15 on pressure overload-induced fibrotic remodeling. METHODS Mice were subjected to transverse aortic constriction (TAC) surgery, and adeno-associated virus serotype 9 (AAV9)-carrying mouse CTRP15 gene was injected into mice to achieve CTRP15 overexpression in the myocardium. Adenovirus carrying the gene encoding CTRP15 or small interfering RNA (siRNA) of interest was infected into cultured neonatal mouse ventricular cardiomyocytes (NMVCs) or cardiac fibroblasts (CFs). Gene expression was measured by quantitative real-time PCR, and protein expression and distribution were determined by Western blotting, immunocytochemistry, and immunofluorescence staining. RESULTS CTRP15 was predominantly produced by cardiac myocytes. CTRP15 expression in the left ventricles was downregulated in mice that underwent TAC. AAV9-mediated CTRP15 overexpression alleviated ventricular remodeling and dysfunction in the pressure-overloaded mice. Treatment of CFs with recombinant CTRP15 or the conditioned medium containing CTRP15 inhibited transforming growth factor (TGF)-β1-induced Smad3 activation and myofibroblast differentiation. CTRP15 increased phosphorylation of insulin receptor (IR), insulin receptor substrate-1 (IRS-1), and Akt. Blockade of IR/IRS-1/Akt pathway reversed the inhibitory effect of CTRP15 on TGF-β1-induced Smad3 activation. CONCLUSION CTRP15 exerts an anti-fibrotic effect on pressure overload-induced cardiac remodeling. The activation of IR/IRS-1/Akt pathway contributes to the anti-fibrotic effect of CTRP15 through targeting Smad3.
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Affiliation(s)
- Qian Zhao
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences; Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, 100191, China
| | - Cheng-Lin Zhang
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences; Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, 100191, China
| | - Ruo-Lan Xiang
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences; Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, 100191, China
| | - Li-Ling Wu
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences; Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, 100191, China
| | - Li Li
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences; Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, 100191, China.
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31
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Shao X, Zhang X, Yang L, Zhang R, Zhu R, Feng R. Integrated analysis of mRNA and microRNA expression profiles reveals differential transcriptome signature in ischaemic and dilated cardiomyopathy induced heart failure. Epigenetics 2020; 16:917-932. [PMID: 33016206 DOI: 10.1080/15592294.2020.1827721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Cardiac remodelling is widely accepted as a common characteristic for many heart diseases, especially in heart failure (HF). Ischaemic cardiomyopathy (ICM) and dilated cardiomyopathy (DCM) are associated with cardiac remodelling. Both mRNA and microRNA are potential diagnostic markers and therapeutic targets of cardiac remodelling in HF. However, the mechanisms of microRNA-mRNA joint regulation in HF are still unclear. In this study, 3 gene expression profiles from patients with and without HF were analysed to harvest shared differentially expressed genes (microRNA and mRNA) with significant major biological function. Moreover, key genes highly related to ICM and DCM-induced HF were screened out through a Weighted Genes Co-Expression Network Analysis (WGCNA). Based on microRNA-mRNA analysis, several microRNAs and target genes were identified. Combined with pathway analysis, we found that miR-542-3p and its target gene CILP were likely involved in the regulation of TGF-β signalling pathway in ICM induced HF. Collectively, the microRNA-mRNA interaction network analysis revealed that miR-542-3p-CILP as mediator of TGF-β signalling pathway might be a new mechanism to mediate ICM induced HF. This study provides certain novel targets for diagnosis and therapeutic treatment of ICM- and DCM-induced HF.
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Affiliation(s)
- Xiuli Shao
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang, China
| | - Xiaolin Zhang
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang, China
| | - Lei Yang
- Tianjin Customs, Technical Center for Safety of Industrial Products, Tianjin, China
| | - Ruijia Zhang
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang, China
| | - Rongli Zhu
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang, China
| | - Rui Feng
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang, China
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32
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Gómez-Torres F, Ballesteros-Acuña L, Ruíz-Sauri A. Morphological variations of the conduction system in the atrioventricular zone and its clinical relationship in different species. Anat Sci Int 2020; 96:212-220. [PMID: 32997266 DOI: 10.1007/s12565-020-00575-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 09/12/2020] [Indexed: 11/28/2022]
Abstract
Atrioventricular node is responsible for delaying the passage of the electrical impulse to ventricles in order to protect them from fast depolarizations coming from the atria. The importance of this study is to identify the morphological variations of the components of atrioventricular zone that affect the conduction system and its clinical relationship in different species of mammals. We analyzed ten human hearts, nine from horses, eight from pigs, and five from dogs without a clinical history of cardiac pathologies. Histological section thickness of 5 μm were obtained with a microtome and stained with hematoxylin-eosin and Masson's trichrome. We observed both an increase in collagen fibers and a decrease in the size of P cells (nodal pacemaker cells) within the atrioventricular node in dogs, horses and pigs in cases that presented cartilage in fibrous body. The percentage of fundamental substance in atrioventricular node was significantly higher in dogs and the percentage of collagen fibers was higher in pigs, both than in humans. The presence of cartilaginous metaplasia in cardiac fibrous skeleton from different species decreases the size of atrioventricular node and its cells and increases the percentage of collagen fibers within the node, which can reduce the transmission of the electrical impulse to ventricles and therefore predispose to the presentation of ventricular arrhythmias. Morphometric analysis has allowed us to objectively quantify each of the components of AV node and compare them in the different species.
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Affiliation(s)
- Fabián Gómez-Torres
- Department of Pathology, Faculty of Medicine, 1st floor, Universitat de Valencia, Av. de Blasco Ibáñez, 15, 46010, Valencia, Spain.,Department of Basic Sciences, School of Medicine, Universidad Industrial de Santander, Cra 32 # 29-31, 68002, Bucaramanga, Colombia
| | - Luis Ballesteros-Acuña
- Department of Basic Sciences, School of Medicine, Universidad Industrial de Santander, Cra 32 # 29-31, 68002, Bucaramanga, Colombia
| | - Amparo Ruíz-Sauri
- Department of Pathology, Faculty of Medicine, 1st floor, Universitat de Valencia, Av. de Blasco Ibáñez, 15, 46010, Valencia, Spain. .,INCLIVA Biomedical Research Institute, Av. de Blasco Ibáñez, 17, 46010, Valencia, Spain.
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33
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Tucker NR, Chaffin M, Fleming SJ, Hall AW, Parsons VA, Bedi KC, Akkad AD, Herndon CN, Arduini A, Papangeli I, Roselli C, Aguet F, Choi SH, Ardlie KG, Babadi M, Margulies KB, Stegmann CM, Ellinor PT. Transcriptional and Cellular Diversity of the Human Heart. Circulation 2020; 142:466-482. [PMID: 32403949 PMCID: PMC7666104 DOI: 10.1161/circulationaha.119.045401] [Citation(s) in RCA: 278] [Impact Index Per Article: 69.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND The human heart requires a complex ensemble of specialized cell types to perform its essential function. A greater knowledge of the intricate cellular milieu of the heart is critical to increase our understanding of cardiac homeostasis and pathology. As recent advances in low-input RNA sequencing have allowed definitions of cellular transcriptomes at single-cell resolution at scale, we have applied these approaches to assess the cellular and transcriptional diversity of the nonfailing human heart. METHODS Microfluidic encapsulation and barcoding was used to perform single nuclear RNA sequencing with samples from 7 human donors, selected for their absence of overt cardiac disease. Individual nuclear transcriptomes were then clustered based on transcriptional profiles of highly variable genes. These clusters were used as the basis for between-chamber and between-sex differential gene expression analyses and intersection with genetic and pharmacologic data. RESULTS We sequenced the transcriptomes of 287 269 single cardiac nuclei, revealing 9 major cell types and 20 subclusters of cell types within the human heart. Cellular subclasses include 2 distinct groups of resident macrophages, 4 endothelial subtypes, and 2 fibroblast subsets. Comparisons of cellular transcriptomes by cardiac chamber or sex reveal diversity not only in cardiomyocyte transcriptional programs but also in subtypes involved in extracellular matrix remodeling and vascularization. Using genetic association data, we identified strong enrichment for the role of cell subtypes in cardiac traits and diseases. Intersection of our data set with genes on cardiac clinical testing panels and the druggable genome reveals striking patterns of cellular specificity. CONCLUSIONS Using large-scale single nuclei RNA sequencing, we defined the transcriptional and cellular diversity in the normal human heart. Our identification of discrete cell subtypes and differentially expressed genes within the heart will ultimately facilitate the development of new therapeutics for cardiovascular diseases.
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Affiliation(s)
- Nathan R. Tucker
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA 02114
- Masonic Medical Research Institute, Utica, NY, USA 13501
| | - Mark Chaffin
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
| | - Stephen J. Fleming
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Data Sciences Platform, The Broad Institute of MIT and Harvard, Cambridge, MA, USA 02142
| | - Amelia W. Hall
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA 02114
| | - Victoria A. Parsons
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA 02114
| | - Kenneth C. Bedi
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA 19104
| | - Amer-Denis Akkad
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Precision Cardiology Laboratory, Bayer US LLC, Cambridge, MA, 02142
| | - Caroline N. Herndon
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
| | - Alessandro Arduini
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
| | - Irinna Papangeli
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Precision Cardiology Laboratory, Bayer US LLC, Cambridge, MA, 02142
| | - Carolina Roselli
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- University Medical Center Groningen, University of Groningen, 9712 CP, Groningen, NL
| | - François Aguet
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA 02142
| | - Seung Hoan Choi
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
| | | | - Mehrtash Babadi
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Data Sciences Platform, The Broad Institute of MIT and Harvard, Cambridge, MA, USA 02142
| | - Kenneth B. Margulies
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA 19104
| | - Christian M. Stegmann
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Precision Cardiology Laboratory, Bayer US LLC, Cambridge, MA, 02142
| | - Patrick T. Ellinor
- Precision Cardiology Laboratory, The Broad Institute, Cambridge, MA, USA 02142
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA 02114
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Liguori GR, Liguori TTA, de Moraes SR, Sinkunas V, Terlizzi V, van Dongen JA, Sharma PK, Moreira LFP, Harmsen MC. Molecular and Biomechanical Clues From Cardiac Tissue Decellularized Extracellular Matrix Drive Stromal Cell Plasticity. Front Bioeng Biotechnol 2020; 8:520. [PMID: 32548106 PMCID: PMC7273975 DOI: 10.3389/fbioe.2020.00520] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 05/01/2020] [Indexed: 01/09/2023] Open
Abstract
Decellularized-organ-derived extracellular matrix (dECM) has been used for many years in tissue engineering and regenerative medicine. The manufacturing of hydrogels from dECM allows to make use of the pro-regenerative properties of the ECM and, simultaneously, to shape the material in any necessary way. The objective of the present project was to investigate differences between cardiovascular tissues (left ventricle, mitral valve, and aorta) with respect to generating dECM hydrogels and their interaction with cells in 2D and 3D. The left ventricle, mitral valve, and aorta of porcine hearts were decellularized using a series of detergent treatments (SDS, Triton-X 100 and deoxycholate). Mass spectrometry-based proteomics yielded the ECM proteins composition of the dECM. The dECM was digested with pepsin and resuspended in PBS (pH 7.4). Upon warming to 37°C, the suspension turns into a gel. Hydrogel stiffness was determined for samples with a dECM concentration of 20 mg/mL. Adipose tissue-derived stromal cells (ASC) and a combination of ASC with human pulmonary microvascular endothelial cells (HPMVEC) were cultured, respectively, on and in hydrogels to analyze cellular plasticity in 2D and vascular network formation in 3D. Differentiation of ASC was induced with 10 ng/mL of TGF-β1 and SM22α used as differentiation marker. 3D vascular network formation was evaluated with confocal microscopy after immunofluorescent staining of PECAM-1. In dECM, the most abundant protein was collagen VI for the left ventricle and mitral valve and elastin for the aorta. The stiffness of the hydrogel derived from the aorta (6,998 ± 895 Pa) was significantly higher than those derived from the left ventricle (3,384 ± 698 Pa) and the mitral valve (3,233 ± 323 Pa) (One-way ANOVA, p = 0.0008). Aorta-derived dECM hydrogel drove non-induced (without TGF-β1) differentiation, while hydrogels derived from the left ventricle and mitral valve inhibited TGF-β1-induced differentiation. All hydrogels supported vascular network formation within 7 days of culture, but ventricular dECM hydrogel demonstrated more robust vascular networks, with thicker and longer vascular structures. All the three main cardiovascular tissues, myocardium, valves, and large arteries, could be used to fabricate hydrogels from dECM, and these showed an origin-dependent influence on ASC differentiation and vascular network formation.
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Affiliation(s)
- Gabriel Romero Liguori
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands.,Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Tácia Tavares Aquinas Liguori
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands.,Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Sérgio Rodrigues de Moraes
- Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Viktor Sinkunas
- Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Vincenzo Terlizzi
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Joris A van Dongen
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Prashant K Sharma
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Luiz Felipe Pinho Moreira
- Instituto do Coração (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Martin Conrad Harmsen
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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35
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Affiliation(s)
- Sonja Groß
- Institute for Molecular and Translational Therapeutic Strategies, Hannover Medical School, Germany, Hannover, Germany
| | - Thomas Thum
- Institute for Molecular and Translational Therapeutic Strategies, Hannover Medical School, Germany, Hannover, Germany
- REBIRTH Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
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36
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Park S, Ranjbarvaziri S, Zhao P, Ardehali R. Cardiac Fibrosis Is Associated With Decreased Circulating Levels of Full-Length CILP in Heart Failure. ACTA ACUST UNITED AC 2020; 5:432-443. [PMID: 32478206 PMCID: PMC7251193 DOI: 10.1016/j.jacbts.2020.01.016] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 01/29/2020] [Accepted: 01/29/2020] [Indexed: 01/09/2023]
Abstract
After in vitro stimulation or in vivo pressure overload injury, activated cardiac fibroblasts express Ltbp2, Comp, and Cilp. In ischemic heart disease, LTBP2, COMP, and CILP localize to the fibrotic regions of the injured heart. Circulating levels of full-length CILP are decreased in patients with heart failure, suggestive of the potential to use this protein as a biomarker for the presence of cardiac fibrosis.
Cardiac fibrosis is a pathological process associated with various forms of heart failure. This study identified latent transforming growth factor-β binding protein 2, cartilage oligomeric matrix protein, and cartilage intermediate layer protein 1 as potential biomarkers for cardiac fibrosis. All 3 encoded proteins showed increased expression in fibroblasts after transforming growth factor-β stimulation in vitro and localized specifically to fibrotic regions in vivo. Of the 3, only the full-length cartilage intermediate layer protein 1 showed a significant decrease in circulating levels in patients with heart failure compared with healthy volunteers. Further studies on these 3 proteins will lead to a better understanding of their biomarker potential for cardiac fibrosis.
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Key Words
- CFB, cardiac fibroblast
- CILP, cartilage intermediate layer protein 1
- COMP, cartilage oligomeric matrix protein
- ECM, extracellular matrix
- ELISA, enzyme-linked immunosorbent assay
- Ltbp2, latent transforming growth factor-β binding protein 2
- PCR, polymerase chain reaction
- RNA, ribonucleic acid
- TAC, transverse aortic constriction
- TGF, transforming growth factor
- biomarker
- cardiac fibrosis
- extracellular matrix protein
- heart failure
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Affiliation(s)
- Shuin Park
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA), Los Angeles, California.,Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles (UCLA), Los Angeles, California.,Molecular, Cellular, and Integrative Physiology Graduate Program, University of California, Los Angeles (UCLA), Los Angeles, California
| | - Sara Ranjbarvaziri
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA), Los Angeles, California.,Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles (UCLA), Los Angeles, California.,Molecular, Cellular, and Integrative Physiology Graduate Program, University of California, Los Angeles (UCLA), Los Angeles, California
| | - Peng Zhao
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA), Los Angeles, California
| | - Reza Ardehali
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA), Los Angeles, California.,Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles (UCLA), Los Angeles, California.,Molecular, Cellular, and Integrative Physiology Graduate Program, University of California, Los Angeles (UCLA), Los Angeles, California.,Molecular Biology Institute, UCLA, Los Angeles, California
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37
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Forte E, Skelly DA, Chen M, Daigle S, Morelli KA, Hon O, Philip VM, Costa MW, Rosenthal NA, Furtado MB. Dynamic Interstitial Cell Response during Myocardial Infarction Predicts Resilience to Rupture in Genetically Diverse Mice. Cell Rep 2020; 30:3149-3163.e6. [PMID: 32130914 PMCID: PMC7059115 DOI: 10.1016/j.celrep.2020.02.008] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 12/08/2019] [Accepted: 02/03/2020] [Indexed: 02/06/2023] Open
Abstract
Cardiac ischemia leads to the loss of myocardial tissue and the activation of a repair process that culminates in the formation of a scar whose structural characteristics dictate propensity to favorable healing or detrimental cardiac wall rupture. To elucidate the cellular processes underlying scar formation, here we perform unbiased single-cell mRNA sequencing of interstitial cells isolated from infarcted mouse hearts carrying a genetic tracer that labels epicardial-derived cells. Sixteen interstitial cell clusters are revealed, five of which were of epicardial origin. Focusing on stromal cells, we define 11 sub-clusters, including diverse cell states of epicardial- and endocardial-derived fibroblasts. Comparing transcript profiles from post-infarction hearts in C57BL/6J and 129S1/SvImJ inbred mice, which displays a marked divergence in the frequency of cardiac rupture, uncovers an early increase in activated myofibroblasts, enhanced collagen deposition, and persistent acute phase response in 129S1/SvImJ mouse hearts, defining a crucial time window of pathological remodeling that predicts disease outcome.
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Affiliation(s)
- Elvira Forte
- The Jackson Laboratory, Bar Harbor, ME 04609, USA.
| | | | - Mandy Chen
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | | | | | - Olivia Hon
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | | | | | - Nadia A Rosenthal
- The Jackson Laboratory, Bar Harbor, ME 04609, USA; National Heart and Lung Institute, Imperial College London, London SW72BX, UK
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38
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Wang HB, Huang R, Yang K, Xu M, Fan D, Liu MX, Huang SH, Liu LB, Wu HM, Tang QZ. Identification of differentially expressed genes and preliminary validations in cardiac pathological remodeling induced by transverse aortic constriction. Int J Mol Med 2019; 44:1447-1461. [PMID: 31364721 PMCID: PMC6713409 DOI: 10.3892/ijmm.2019.4291] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Accepted: 07/09/2019] [Indexed: 02/06/2023] Open
Abstract
Cardiac remodeling predisposes to heart failure if the burden is unresolved, and heart failure is an important cause of mortality in humans. The aim of the present study was to identify the key genes involved in cardiac pathological remodeling induced by pressure overload. Gene expression profiles of the GSE5500, GSE18224, GSE36074 and GSE56348 datasets were downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs), defined as |log2FC|>1 (FC, fold change) and an adjusted P‑value of <0.05, were screened using the R software with the limma package. Gene ontology enrichment analysis was performed and a protein‑protein interaction (PPI) network of the DEGs was constructed. A cardiac remodeling model induced by transverse aortic constriction (TAC) was established. Furthermore, consistent DEGs were further validated using reverse transcription‑quantitative polymerase chain reaction (RT‑PCR) analysis, western blotting and immunohistochemistry in the ventricular tissue samples after TAC or sham operation. A total of 24 common DEGs were identified (23 significantly upregulated and 1 downregulated), of which 9 genes had been previously confirmed to be directly involved in cardiac remodeling. Hence, the level of expression of the other 15 genes was detected in subsequent studies via RT‑PCR. Based on the results of the PPI network analysis and RT‑PCR, we further detected the protein levels of Itgbl1 and Asporin, which were consistent with the results of bioinformatics analysis and RT‑PCR. The expression of Itgbl1, Aspn, Fstl1, Mfap5, Col8a1, Ltbp2, Mfap4, Pamr1, Cnksr1, Aqp8, Meox1, Gdf15 and Srpx was found to be upregulated in a mouse model of cardiac remodeling, while that of Retnla was downregulated. Therefore, the present study identified the key genes implicated in cardiac remodeling, aiming to provide new insight into the underlying mechanism.
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Affiliation(s)
- Hui-Bo Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Rong Huang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Kang Yang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Man Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Di Fan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Ming-Xin Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Si-Hui Huang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Li-Bo Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Hai-Ming Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Qi-Zhu Tang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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