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Huang J, Zhao C, Zhang S. Semaphorin 7A promotes endothelial permeability and inflammation via plexin C1 and integrin β1 in Kawasaki disease. BMC Pediatr 2024; 24:285. [PMID: 38678170 PMCID: PMC11055240 DOI: 10.1186/s12887-024-04766-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 04/16/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND Kawasaki disease (KD) is a pediatric systemic vasculitis characterized by endothelial cell dysfunction. Semaphorin 7A (Sema7A) has been reported to regulate endothelial phenotypes associated with cardiovascular diseases, while its role in KD remains unknown. This study aims to investigate the effect of Sema7A on endothelial permeability and inflammatory response in KD conditions. METHODS Blood samples were collected from 68 KD patients and 25 healthy children (HC). The levels of Sema7A and A Disintegrin and Metalloprotease 17 (ADAM17) in serum were measured by enzyme-linked immunosorbent assay (ELISA), and Sema7A expression in blood cells was analyzed by flow cytometry. Ex vivo monocytes were used for Sema7A shedding assays. In vitro human coronary artery endothelial cells (HCAECs) were cultured in KD sera and stimulated with Sema7A, and TNF-α, IL-1β, IL-6, and IL-18 of HCAECs were measured by ELISA and qRT-PCR. HCAECs monolayer permeability was measured by FITC-dextran. RESULTS The serum level of Sema7A was significantly higher in KD patients than in HC and correlated with disease severity. Monocytes were identified as one of the source of elevated serum Sema7A, which implicates a process of ADAM17-dependent shedding. Sera from KD patients induced upregulation of plexin C1 and integrin β1 in HCAECs compared to sera from HC. Sema7A mediated the proinflammatory cytokine production of HCAECs in an integrin β1-dependent manner, while both plexin C1 and integrin β1 contributed to Sema7A-induced HCAEC hyperpermeability. CONCLUSIONS Sema7A is involved in the progression of KD vasculitis by promoting endothelial permeability and inflammation through a plexin C1 and integrin β1-dependent pathway. Sema7A may serve as a potential biomarker and therapeutic target in the prognosis and treatment of KD.
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Affiliation(s)
- Junhua Huang
- School of Medical Technology, Xi'an Medical University, Xi'an, 710021, Shaanxi Province, China
| | - Chuanmei Zhao
- Department of Clinical Laboratory, Xi'an Children's Hospital, Xi'an, 710003, Shaanxi Province, China
| | - Shuwan Zhang
- Department of Clinical Laboratory, Xi'an Children's Hospital, Xi'an, 710003, Shaanxi Province, China.
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Prajapati K, Yan C, Yang Q, Arbitman S, Fitzgerald DP, Sharee S, Shaik J, Bosiacki J, Myers K, Paucarmayta A, Johnson DM, O’Neill T, Kundu S, Cusumano Z, Langermann S, Langenau DM, Patel S, Flies DB. The FLRT3-UNC5B checkpoint pathway inhibits T cell-based cancer immunotherapies. SCIENCE ADVANCES 2024; 10:eadj4698. [PMID: 38427724 PMCID: PMC10906930 DOI: 10.1126/sciadv.adj4698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 01/25/2024] [Indexed: 03/03/2024]
Abstract
Cancers exploit coinhibitory receptors on T cells to escape tumor immunity, and targeting such mechanisms has shown remarkable clinical benefit, but in a limited subset of patients. We hypothesized that cancer cells mimic noncanonical mechanisms of early development such as axon guidance pathways to evade T cell immunity. Using gain-of-function genetic screens, we profiled axon guidance proteins on human T cells and their cognate ligands and identified fibronectin leucine-rich transmembrane protein 3 (FLRT3) as a ligand that inhibits T cell activity. We demonstrated that FLRT3 inhibits T cells through UNC5B, an axon guidance receptor that is up-regulated on activated human T cells. FLRT3 expressed in human cancers favored tumor growth and inhibited CAR-T and BiTE + T cell killing and infiltration in humanized cancer models. An FLRT3 monoclonal antibody that blocked FLRT3-UNC5B interactions reversed these effects in an immune-dependent manner. This study supports the concept that axon guidance proteins mimic T cell checkpoints and can be targeted for cancer immunotherapy.
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Affiliation(s)
| | - Chuan Yan
- Molecular Pathology and Cancer Center, Massachusetts General Hospital Research Institute, Charlestown, MA 02129, USA
- Harvard Stem Cell Institute, Cambridge, MA 02139, USA
| | - Qiqi Yang
- Molecular Pathology and Cancer Center, Massachusetts General Hospital Research Institute, Charlestown, MA 02129, USA
- Harvard Stem Cell Institute, Cambridge, MA 02139, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | - David M. Langenau
- Molecular Pathology and Cancer Center, Massachusetts General Hospital Research Institute, Charlestown, MA 02129, USA
- Harvard Stem Cell Institute, Cambridge, MA 02139, USA
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Jiang Y, Sun Z, Ge Z, Tao Z, Liu M, Zhong W, Dong N, Xu L, Wang H, Xu Y, Shen X. Differential expression of Semaphorin-7A /CD163-positive macrophages in large artery and cardiogenic stroke. BMC Neurol 2024; 24:70. [PMID: 38373967 PMCID: PMC10875813 DOI: 10.1186/s12883-024-03559-6] [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: 10/22/2023] [Accepted: 02/01/2024] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND Identification of the causes of stroke of undetermined etiology, specifically cardioembolism (CE) and non-CE causes, can inform treatment planning and prognosis prediction. The objective of this study was to analyze the disparities in thrombus composition, particularly Semaphorin-7A (Sema7A) and CD163, between patients diagnosed with large-artery atherosclerosis (LAA) and those with CE, and to investigate their potential association with prognosis. METHODS Thrombi were collected from patients who underwent mechanical thrombectomy at two hospitals. The patients were categorized into two groups: LAA and CE. We compared the levels of Sema7A and CD163 between these groups and analyzed their relationships with stroke severity, hemorrhagic transformation and prognosis. RESULTS The study involved a total of 67 patients. Sema7A expression was found to be significantly higher in the CE group compared to LAA (p < 0.001). Conversely, no statistically significant differences were observed for CD163 between the groups. The presence of Sema7A/CD163 did not show any associations with stroke severity or hemorrhagic transformation (all p > 0.05). However, both Sema7A (OR, 2.017; 95% CI, 1.301-3.518; p = 0.005) and CD163 (OR, 2.283; 95% CI, 1.252-5.724; p = 0.03) were associated with the poor prognosis for stroke, after adjusting for stroke severity. CONCLUSION This study highlights that CE thrombi exhibited higher levels of Sema7A expression compared to LAA thrombi. Moreover, we found a positive correlation between Sema7A/CD163 levels and the poor prognosis of patients with acute ischemic stroke.
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Affiliation(s)
- Yi Jiang
- Department of Geriatrics, Bengbu Medical College Clinical College of Lianyungang Second People's Hospital, Lianyungang, 222000, China
| | - Zhichao Sun
- Department of Pathology, Lianyungang Second People's Hospital, Lianyungang, 222000, China
| | - Zhonglin Ge
- Department of Neurology, Lianyungang Second People's Hospital, Lianyungang, 222000, China.
| | - Zhonghai Tao
- Department of Neurology, Lianyungang Second People's Hospital, Lianyungang, 222000, China
| | - Mengqian Liu
- Department of Geriatrics, Lianyungang Hospital Affiliated to Jiangsu University, Lianyungang, 222000, China
| | - Wen Zhong
- Department of Geriatrics, Lianyungang Hospital Affiliated to Jiangsu University, Lianyungang, 222000, China
| | - Nan Dong
- Department of Neurology, Shaoxing Central Hospital, Shaoxing, China
| | - Lei Xu
- Department of Pathology, Lianyungang Second People's Hospital, Lianyungang, 222000, China
| | - Hui Wang
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yiwen Xu
- Department of Infectious Disease, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Xiaozhu Shen
- Department of Geriatrics, Bengbu Medical College Clinical College of Lianyungang Second People's Hospital, Lianyungang, 222000, China.
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Körner A, Köhler D, Schneider M, Roth JM, Granja TF, Eggstein C, Mirakaj V, Rosenberger P. Semaphorin 7A is protective during inflammatory peritonitis through integrin receptor signaling. Front Immunol 2023; 14:1251026. [PMID: 38094294 PMCID: PMC10716335 DOI: 10.3389/fimmu.2023.1251026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/08/2023] [Indexed: 12/18/2023] Open
Abstract
Introduction The study explores the role of endothelial Semaphorin 7A (SEMA7A) in inflammatory processes. SEMA7A is known for enhancing inflammation during tissue hypoxia and exhibiting anti-inflammatory properties in the intestinal system during colitis. This research extends the understanding of SEMA7A's function by examining its role in inflammatory peritonitis and intestinal inflammation. Methods The research involved inducing peritonitis in SEMA7A knockout (SEMA7A-/-) and wild-type (WT) animals through Zymosan A (ZyA) injection. The inflammatory response was assessed by measuring cell count and cytokine release. In parallel, the study investigated the expression of SEMA7A in intestinal epithelial cells under inflammatory stimuli and its impact on interleukin 10 (IL-10) production using an in vitro co-culture model of monocytes and epithelial cells. Additionally, the distribution of SEMA7A target receptors, particularly ITGAV/ITGB1 (CD51/CD29), was analyzed in WT animals. Results The results revealed that SEMA7A-/- animals exhibited increased inflammatory peritonitis compared to the WT animals. Inflammatory conditions in intestinal epithelial cells led to the induction of SEMA7A. The co-culture experiments demonstrated that SEMA7A induced IL-10 production, which depended on integrin receptors and was independent of PLXNC1 expression. Furthermore, ITGAV/ITGB1 emerged as the predominant SEMA7A receptor in the intestinal area of WT animals. Discussion These findings underscore the multifaceted role of SEMA7A in inflammatory processes. The differential responses in peritonitis and intestinal inflammation suggest that SEMA7A's function is significantly influenced by the expression and distribution of its target receptors within different organ systems. The study highlights the complex and context-dependent nature of SEMA7A in mediating inflammatory responses.
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Affiliation(s)
- Andreas Körner
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - David Köhler
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Mariella Schneider
- Department of Obstetrics and Gynecology, Augsburg University Hospital, Augsburg, Germany
| | - Judith M. Roth
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Tiago F. Granja
- CBIOS-Universidade Research Center for Biosciences & Health Technologies, Universidade Lusófona, Lisbon, Portugal
| | - Claudia Eggstein
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Valbona Mirakaj
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Peter Rosenberger
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
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Ko EJ, Kim MH, Kim DY, An H, Leem SH, Choi YH, Kim HS, Cha HJ. The Role of Human Endogenous Retrovirus (HERV)-K119 env in THP-1 Monocytic Cell Differentiation. Int J Mol Sci 2023; 24:15566. [PMID: 37958549 PMCID: PMC10648273 DOI: 10.3390/ijms242115566] [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: 08/25/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 11/15/2023] Open
Abstract
Human endogenous retrovirus (HERV)-K was reportedly inserted into the human genome millions of years ago and is closely related to various diseases, including cancer and immune regulation. In our previous studies, CRISPR-Cas9-enabled knockout (KO) of the HERV-K env gene was found to potentially reduce cell proliferation, cell migration, and invasion in colorectal and ovarian cancer cell lines. The immune response involves the migration and invasion of cells and is similar to cancer; however, in certain ways, it is completely unlike cancer. Therefore, we induced HERV-K119 env gene KO in THP-1, a monocytic cell that can be differentiated into a macrophage, to investigate the role of HERV-K119 env in immune regulation. Cell migration and invasion were noted to be significantly increased in HERV-K119 env KO THP-1 cells than in MOCK, and these results were contrary to those of cancer cells. To identify the underlying mechanism of HERV-K119 env KO in THP-1 cells, transcriptome analysis and cytokine array analysis were conducted. Semaphorin7A (SEMA7A), which induces the production of cytokines in macrophages and monocytic cells and plays an important role in immune effector cell activation during an inflammatory immune response, was significantly increased in HERV-K119 env KO THP-1 cells. We also found that HERV-K119 env KO THP-1 cells expressed various macrophage-specific surface markers, suggesting that KO of HERV-K119 env triggers the differentiation of THP-1 cells from monocytic cells into macrophages. In addition, analysis of the expression of M1 and M2 macrophage markers showed that M1 macrophage marker cluster of differentiation 32 (CD32) was significantly increased in HERV-K119 env KO cells. These results suggest that HERV-K119 env is implicated in the differentiation of monocytic cells into M1 macrophages and plays important roles in the immune response.
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Affiliation(s)
- Eun-Ji Ko
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49267, Republic of Korea; (E.-J.K.); (M.-H.K.); (D.-Y.K.); (H.A.)
| | - Min-Hye Kim
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49267, Republic of Korea; (E.-J.K.); (M.-H.K.); (D.-Y.K.); (H.A.)
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea;
| | - Do-Ye Kim
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49267, Republic of Korea; (E.-J.K.); (M.-H.K.); (D.-Y.K.); (H.A.)
| | - Hyojin An
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49267, Republic of Korea; (E.-J.K.); (M.-H.K.); (D.-Y.K.); (H.A.)
| | - Sun-Hee Leem
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea;
| | - Yung Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Dongeui University, Busan 47227, Republic of Korea;
| | - Heui-Soo Kim
- Department of Biological Sciences, College of Natural Sciences, Pusan National University, Busan 49241, Republic of Korea;
| | - Hee-Jae Cha
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49267, Republic of Korea; (E.-J.K.); (M.-H.K.); (D.-Y.K.); (H.A.)
- Institute for Medical Science, Kosin University College of Medicine, Busan 49267, Republic of Korea
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Emery A, Dunning KR, Dinh DT, Akison LK, Robker RL, Russell DL. Dynamic regulation of semaphorin 7A and adhesion receptors in ovarian follicle remodeling and ovulation. Front Cell Dev Biol 2023; 11:1261038. [PMID: 37941899 PMCID: PMC10628455 DOI: 10.3389/fcell.2023.1261038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/05/2023] [Indexed: 11/10/2023] Open
Abstract
The ovarian follicle is a complex structure that protects and helps in the maturation of the oocyte, and then releases it through the controlled molecular and structural remodeling process of ovulation. The progesterone receptor (PGR) has been shown to be essential in regulating ovulation-related gene expression changes. In this study, we found disrupted expression of the cellular adhesion receptor gene Sema7A in the granulosa cells of PGR-/- mice during ovulation. We subsequently found that expression of Sema7A in preovulatory follicles is promoted by gonadotropins and hypoxia, establishing an asymmetrical pattern with the SEMA7A protein enriched at the apex of large antral follicles. Sema7A expression was downregulated through a PGR-dependent mechanism in the periovulatory period, the abundance of SEMA7A protein was reduced, and the asymmetric pattern became more homogeneous after an ovulatory stimulus. Receptors for Sema7A can either repel or promote intercellular adhesion. During ovulation, striking inverse regulation of repulsive Plxnc1 and adhesive Itga5/Itgb1 receptors likely contributes to dramatic tissue remodeling. The adhesive receptor Itga5 was significantly increased in periovulatory granulosa cells and cumulus-oocyte complexes (COCs), and functional assays showed that periovulatory granulosa cells and COCs acquire increased adhesive phenotypes, while Sema7A repels granulosa cell contact. These findings suggest that the regulation of Sema7A and its associated receptors, along with the modulation of integrin α5, may be critical in establishing the multilaminar ovarian follicle structure and facilitating the remodeling and apical release of the cumulus-oocyte complex during ovulation.
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Affiliation(s)
- Alaknanda Emery
- The Robinson Research Institute, School of Biomedicine, University of Adelaide, Adelaide, SA, Australia
| | - Kylie R. Dunning
- The Robinson Research Institute, School of Biomedicine, University of Adelaide, Adelaide, SA, Australia
| | - Doan T. Dinh
- The Robinson Research Institute, School of Biomedicine, University of Adelaide, Adelaide, SA, Australia
| | - Lisa K. Akison
- School of Biomedical Sciences, University of Queensland, Brisbane, QLD, Australia
| | - Rebecca L. Robker
- The Robinson Research Institute, School of Biomedicine, University of Adelaide, Adelaide, SA, Australia
| | - Darryl L. Russell
- The Robinson Research Institute, School of Biomedicine, University of Adelaide, Adelaide, SA, Australia
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Yang Z, Zhu J, Yang T, Tang W, Zheng X, Ji S, Ren Z, Lu F. Comprehensive analysis of the lncRNAs-related immune gene signatures and their correlation with immunotherapy in lung adenocarcinoma. Br J Cancer 2023; 129:1397-1408. [PMID: 37543671 PMCID: PMC10628174 DOI: 10.1038/s41416-023-02379-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 07/06/2023] [Accepted: 07/25/2023] [Indexed: 08/07/2023] Open
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs)-related immune genes (lrRIGs) play a crucial role in the development and progression of lung adenocarcinoma (LUAD). However, reliable prognostic signatures based on lrRIGs have not yet been identified. METHODS We screened lrRIGs associated with the prognosis of LUAD using The Cancer Genome Atlas (TCGA) database and then established a novel prognostic nine-gene signature composed of CD79A, INHA, SHC3, LIFR, TNFRSF11A, GPI, F2RL1, SEMA7A and WFDC2 through bioinformatic approaches. A risk score derived from this gene signature was used to divide LUAD patients into the low- and high-risk groups. The latter was confirmed to have markedly worse overall survival (O.S.). A nomogram was developed using the risk score and other independent prognostic elements, demonstrating excellent performance in predicting the O.S. rate of LUAD patients. RESULTS We observed that the infiltration of diverse immune cell subtypes and response to immunotherapy and chemotherapy significantly differed between the low- and high-risk groups. CONCLUSIONS Overall, stratification based on this gene signature could be used to guide better therapeutic management and improve outcomes for LUAD patients.
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Affiliation(s)
- Zhengyan Yang
- Joint National Laboratory for Antibody Drug Engineering, the First Affiliated Hospital, School of Basic Medical Sciences, Henan University, Kaifeng, China
| | - Jianling Zhu
- Joint National Laboratory for Antibody Drug Engineering, the First Affiliated Hospital, School of Basic Medical Sciences, Henan University, Kaifeng, China
- Department of Immunology, School of Basic Medical Sciences, Henan University, Kaifeng, China
| | - Tiantian Yang
- Joint National Laboratory for Antibody Drug Engineering, the First Affiliated Hospital, School of Basic Medical Sciences, Henan University, Kaifeng, China
- Department of Immunology, School of Basic Medical Sciences, Henan University, Kaifeng, China
| | - Wenjun Tang
- Joint National Laboratory for Antibody Drug Engineering, the First Affiliated Hospital, School of Basic Medical Sciences, Henan University, Kaifeng, China
- Department of Immunology, School of Basic Medical Sciences, Henan University, Kaifeng, China
| | - Xiaowei Zheng
- Department of Clinical Laboratory, Puyang Hospital of Traditional Chinese Medicine, Puyang, China
| | - Shaoping Ji
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Henan University, Kaifeng, China
| | - Zhiguang Ren
- Joint National Laboratory for Antibody Drug Engineering, the First Affiliated Hospital, School of Basic Medical Sciences, Henan University, Kaifeng, China.
- Institute of Traditional Chinese Medicine, Henan University, Kaifeng, China.
| | - Feng Lu
- Joint National Laboratory for Antibody Drug Engineering, the First Affiliated Hospital, School of Basic Medical Sciences, Henan University, Kaifeng, China.
- Department of Immunology, School of Basic Medical Sciences, Henan University, Kaifeng, China.
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Hu P, Miller AE, Yeh CR, Bingham GC, Civelek M, Barker TH. SEMA7a primes integrin α5β1 engagement instructing fibroblast mechanotransduction, phenotype and transcriptional programming. Matrix Biol 2023; 121:179-193. [PMID: 37422024 DOI: 10.1016/j.matbio.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 06/15/2023] [Accepted: 06/26/2023] [Indexed: 07/10/2023]
Abstract
Integrins are cellular receptors that bind the extracellular matrix (ECM) and facilitate the transduction of biochemical and biophysical microenvironment cues into cellular responses. Upon engaging the ECM, integrin heterodimers must rapidly strengthen their binding with the ECM, resulting in the assembly of force-resistant and force-sensitive integrin associated complexes (IACs). The IACs constitute an essential apparatus for downstream signaling and fibroblast phenotypes. During wound healing, integrin signaling is essential for fibroblast motility, proliferation, ECM reorganization and, ultimately, restoration of tissue homeostasis. Semaphorin 7A (SEMA7a) has been previously implicated in post-injury inflammation and tissue fibrosis, yet little is known about SEMA7a's role in directing stromal cell, particularly fibroblast, behaviors. We demonstrate that SEMA7a regulates integrin signaling through cis-coupling with active integrin α5β1 on the plasma membrane, enabling rapid integrin adhesion strengthening to fibronectin (Fn) and normal downstream mechanotransduction. This molecular function of SEMA7a potently regulates fibroblast adhesive, cytoskeletal, and migratory phenotype with strong evidence of downstream alterations in chromatin structure resulting in global transcriptomic reprogramming such that loss of SEMA7a expression is sufficient to impair the normal migratory and ECM assembly phenotype of fibroblasts resulting in significantly delayed tissue repair in vivo.
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Affiliation(s)
- Ping Hu
- Department of Biomedical Engineering, Schools of Engineering and Medicine, Charlottesville, VA 22908, USA
| | - Andrew E Miller
- Department of Biomedical Engineering, Schools of Engineering and Medicine, Charlottesville, VA 22908, USA
| | - Chiuan-Ren Yeh
- Department of Biomedical Engineering, Schools of Engineering and Medicine, Charlottesville, VA 22908, USA
| | - Grace C Bingham
- Department of Biomedical Engineering, Schools of Engineering and Medicine, Charlottesville, VA 22908, USA
| | - Mete Civelek
- Department of Biomedical Engineering, Schools of Engineering and Medicine, Charlottesville, VA 22908, USA; Center for Public Health Genomics, School of Medicine, University of Virginia, Charlottesville, VA 22908, USA
| | - Thomas H Barker
- Department of Biomedical Engineering, Schools of Engineering and Medicine, Charlottesville, VA 22908, USA.
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Lyu X, Liu X, Gong H, Liu Y, Zhou Z, Hu M, Zhang X. Serum Sema7A is increased in patients with acute aortic dissection. Expert Rev Mol Diagn 2023; 23:1027-1035. [PMID: 37698489 DOI: 10.1080/14737159.2023.2254693] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 08/24/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND To observe the level of serum Sema7A in acute aortic dissection (AAD) and its diagnostic value for AAD. RESEARCH DESIGN AND METHODS Patients with sudden chest pain including AAD, acute myocardial infarction (AMI) or pulmonary embolism (PE) were enrolled. Patients without chest pain or cardiovascular diseases were included as the controls. Serum Sema7A and plasma D-dimer were detected and compared in each group. RESULTS 85 AAD patients, 55 AMI patients, 15 PE patients, and 30 controls were enrolled. The concentration of Serum Sema7A in the AAD group was significantly higher than that in the control, AMI and PE group. Serum Sema7A was positively correlated with D-dimer. In AAD patients who underwent invasive intervention therapy, serum Sema7A levels were significantly decreased after the intervention. Serum Sema7A was an independent risk factor for the presence of AAD. The areas under the ROC curve of Sema7A and D-dimer for differential diagnosis of AAD from other chest pain disorders were 0.842 (0.776, 0.909) and 0.788 (0.714, 0.862), respectively. CONCLUSIONS Sema7A is highly expressed in patients with AAD. Sema7A might be a valuable biomarker for the early diagnosis of AAD and has the potential to differentiate AAD from AMI and PE.
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Affiliation(s)
- Xing Lyu
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xin Liu
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hui Gong
- Department of Geriatrics, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Medical Research Center for Geriatric Syndrome, Changsha, Hunan, China
| | - Yang Liu
- Department of Geriatrics, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhifang Zhou
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Min Hu
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiangyu Zhang
- Department of Geriatrics, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Medical Research Center for Geriatric Syndrome, Changsha, Hunan, China
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Thomas R, Yang X. Semaphorins in immune cell function, inflammatory and infectious diseases. CURRENT RESEARCH IN IMMUNOLOGY 2023; 4:100060. [PMID: 37645659 PMCID: PMC10461194 DOI: 10.1016/j.crimmu.2023.100060] [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: 12/07/2022] [Revised: 05/08/2023] [Accepted: 05/14/2023] [Indexed: 08/31/2023] Open
Abstract
The Semaphorin family is a group of proteins studied broadly for their functions in nervous systems. They consist of eight subfamilies ubiquitously expressed in vertebrates, invertebrates, and viruses and exist in membrane-bound or secreted forms. Emerging evidence indicates the relevance of semaphorins outside the nervous system, including angiogenesis, cardiogenesis, osteoclastogenesis, tumour progression, and, more recently, the immune system. This review provides a broad overview of current knowledge on the role of semaphorins in the immune system, particularly its involvement in inflammatory and infectious diseases, including chlamydial infections.
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Affiliation(s)
- Rony Thomas
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Xi Yang
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
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Prestagiacomo LE, Tradigo G, Aracri F, Gabriele C, Rota MA, Alba S, Cuda G, Damiano R, Veltri P, Gaspari M. Data-Independent Acquisition Mass Spectrometry of EPS-Urine Coupled to Machine Learning: A Predictive Model for Prostate Cancer. ACS OMEGA 2023; 8:6244-6252. [PMID: 36844540 PMCID: PMC9948177 DOI: 10.1021/acsomega.2c05487] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 12/06/2022] [Indexed: 06/18/2023]
Abstract
Prostate cancer (PCa) is annually the most frequently diagnosed cancer in the male population. To date, the diagnostic path for PCa detection includes the dosage of serum prostate-specific antigen (PSA) and the digital rectal exam (DRE). However, PSA-based screening has insufficient specificity and sensitivity; besides, it cannot discriminate between the aggressive and indolent types of PCa. For this reason, the improvement of new clinical approaches and the discovery of new biomarkers are necessary. In this work, expressed prostatic secretion (EPS)-urine samples from PCa patients and benign prostatic hyperplasia (BPH) patients were analyzed with the aim of detecting differentially expressed proteins between the two analyzed groups. To map the urinary proteome, EPS-urine samples were analyzed by data-independent acquisition (DIA), a high-sensitivity method particularly suitable for detecting proteins at low abundance. Overall, in our analysis, 2615 proteins were identified in 133 EPS-urine specimens obtaining the highest proteomic coverage for this type of sample; of these 2615 proteins, 1670 were consistently identified across the entire data set. The matrix containing the quantified proteins in each patient was integrated with clinical parameters such as the PSA level and gland size, and the complete matrix was analyzed by machine learning algorithms (by exploiting 90% of samples for training/testing using a 10-fold cross-validation approach, and 10% of samples for validation). The best predictive model was based on the following components: semaphorin-7A (sema7A), secreted protein acidic and rich in cysteine (SPARC), FT ratio, and prostate gland size. The classifier could predict disease conditions (BPH, PCa) correctly in 83% of samples in the validation set. Data are available via ProteomeXchange with the identifier PXD035942.
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Affiliation(s)
- Licia E. Prestagiacomo
- Research
Centre for Advanced Biochemistry and Molecular Biology, Department
of Experimental and Clinical Medicine, Magna
Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | | | - Federica Aracri
- Department
of Surgical and Medical Sciences, Magna
Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Caterina Gabriele
- Research
Centre for Advanced Biochemistry and Molecular Biology, Department
of Experimental and Clinical Medicine, Magna
Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | | | | | - Giovanni Cuda
- Research
Centre for Advanced Biochemistry and Molecular Biology, Department
of Experimental and Clinical Medicine, Magna
Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Rocco Damiano
- Department
of Experimental and Clinical Medicine, Magna
Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Pierangelo Veltri
- Department
of Surgical and Medical Sciences, Magna
Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Marco Gaspari
- Research
Centre for Advanced Biochemistry and Molecular Biology, Department
of Experimental and Clinical Medicine, Magna
Graecia University of Catanzaro, 88100 Catanzaro, Italy
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12
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Guo Z, Qi X, Li Z, Yang J, Sun Z, Li P, Chen M, Cao Y. Development and validation of an immune-related gene signature for prognosis in Lung adenocarcinoma. IET Syst Biol 2023; 17:27-38. [PMID: 36728032 PMCID: PMC9931057 DOI: 10.1049/syb2.12057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 12/26/2022] [Accepted: 01/06/2023] [Indexed: 02/03/2023] Open
Abstract
The most common type of lung cancer tissue is lung adenocarcinoma. The TCGA-LUAD cohort retrieved from the TCGA dataset was considered the internal training cohort, while GSE68465 and GSE13213 datasets from the GEO database were used as the external test cohort. The TCGA-LUAD cohort was classified into two immune subtypes using single-sample gene set enrichment analysis of the immune gene set and unsupervised clustering analysis. The ESTIMATE algorithm, the CIBERSORT algorithm, and HLA family expression levels again validated the reliability of this typing. We performed Venn analysis using immune-related genes from the immport dataset and differentially expressed genes from the subtypes to retrieve differentially expressed immune genes (DEIGs). In addition, DEIGs were used to construct a prognostic model with the least absolute shrinkage and selection operator regression analysis. A reliable risk model consisting of 11 DEIGs, including S100P, INHA, SEMA7A, INSL4, CD40LG, AGER, SERPIND1, CD1D, CX3CR1, SFTPD, and CD79A, was then built, and its reliability was further confirmed by ROC curve and calibration plot analysis. The high-risk score subgroup had a poor prognosis and a lower tumour immune dysfunction and exclusion score, indicating a greater likelihood of anti-PD-1/cytotoxic T lymphocyte antigen 4 benefit.
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Affiliation(s)
- Zehuai Guo
- The First Clinical School of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Xiangjun Qi
- The First Clinical School of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Zeyun Li
- The First Clinical School of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Jianying Yang
- The First Clinical School of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Zhe Sun
- The First Clinical School of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Peiqin Li
- The First Clinical School of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Ming Chen
- The First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Yang Cao
- The First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina
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13
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Li X, Xie W, Pan Q, Zhang X, Zhang L, Zhao N, Xie Q, Ding J, Chai J. Semaphorin 7A interacts with nuclear factor NF-kappa-B p105 via integrin β1 and mediates inflammation. Cell Commun Signal 2023; 21:24. [PMID: 36717921 PMCID: PMC9885601 DOI: 10.1186/s12964-022-01024-w] [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: 10/19/2022] [Accepted: 12/22/2022] [Indexed: 02/01/2023] Open
Abstract
Semaphorin7a (SEMA7A), a membrane-anchored member of the semaphorin protein family, could be involved in a diverse range of immune responses via its receptor integrin β1. Recently, we reported that the SEMA7AR148W mutation (a gain-of-function mutation, Sema7aR145W in mice) is a risk factor for progressive familial intrahepatic cholestasis and nonalcoholic fatty liver disease via upregulated membrane localization. In this study, we demonstrated that integrin β1 is a membrane receptor for nuclear factor NF-kappa-B p105 (NF-κB p105) and a critical mediator of inflammation. Integrin β1 could interact with the C-terminal domain of NF-κB p105 to promote p50 generation and stimulate the NF-κB p50/p65 signalling pathway, upregulate TNF-α and IL-1β levels, and subsequently render hepatocytes more susceptible to inflammation. The induction of integrin β1 depends on elevated Sema7a membrane localization. Moreover, we revealed elevated levels of Sema7aWT (SEMA7AWT) in hepatocellular carcinoma (HCC) patients and an HCC mouse model. In line with our findings, the NF-κB p50/p65 pathway could also be activated by high Sema7a expression and repressed by integrin β1 silencing. In conclusion, our findings suggest that the Sema7aR145W (SEMA7AR148W) mutation and high Sema7aWT (SEMA7AWT) expression both activate the NF-κB p50/p65 pathway via integrin β1 and play a crucial role in inflammatory responses. Video Abstract.
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Affiliation(s)
- Xuan Li
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Wanlu Xie
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Qiong Pan
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Xiaoxun Zhang
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Liangjun Zhang
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Nan Zhao
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Qiaoling Xie
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Jingjing Ding
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Jin Chai
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
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14
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Do Semaphorins Play a Role in Development of Fibrosis in Patients with Nonalcoholic Fatty Liver Disease? Biomedicines 2022; 10:biomedicines10123014. [PMID: 36551769 PMCID: PMC9775767 DOI: 10.3390/biomedicines10123014] [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: 11/08/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is associated with systemic changes in immune response linked with chronic low-grade inflammation and disease progression. Semaphorins, a large family of biological response modifiers, were recently recognized as one of the key regulators of immune responses, possibly also associated with chronic liver diseases. The aim of this study was to identify semaphorins associated with NAFLD and their relationship with steatosis and fibrosis stages. In this prospective, case-control study, serum semaphorin concentrations (SEMA3A, -3C, -4A, -4D, -5A and -7A) were measured in 95 NAFLD patients and 35 healthy controls. Significantly higher concentrations of SEMA3A, -3C and -4D and lower concentrations of SEAMA5A and -7A were found in NAFLD. While there was no difference according to steatosis grades, SEMA3C and SEMA4D significantly increased and SEMA3A significantly decreased with fibrosis stages and had better accuracy in predicting fibrosis compared to the FIB-4 score. Immunohistochemistry confirmed higher expression of SEMA4D in hepatocytes, endothelial cells and lymphocytes in NAFLD livers. The SEMA5A rs1319222 TT genotype was more frequent in the NAFLD group and was associated with higher liver stiffness measurements. In conclusion, we provide the first evidence of the association of semaphorins with fibrosis in patients with NAFLD.
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15
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Yin Z, Zhang J, Xu S, Liu J, Xu Y, Yu J, Zhao M, Pan W, Wang M, Wan J. The role of semaphorins in cardiovascular diseases: Potential therapeutic targets and novel biomarkers. FASEB J 2022; 36:e22509. [PMID: 36063107 DOI: 10.1096/fj.202200844r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/24/2022] [Accepted: 08/09/2022] [Indexed: 12/17/2022]
Abstract
Semaphorins (Semas), which belongs to the axonal guidance molecules, include 8 classes and could affect axon growth in the nervous system. Recently, semaphorins were found to regulate other pathophysiological processes, such as immune response, oncogenesis, tumor angiogenesis, and bone homeostasis, through binding with their plexin and neuropilin receptors. In this review, we summarized the detailed role of semaphorins and their receptors in the pathological progression of various cardiovascular diseases (CVDs), highlighting that semaphorins may be potential therapeutic targets and novel biomarkers for CVDs.
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Affiliation(s)
- Zheng Yin
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jishou Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Shuwan Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jianfang Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Yao Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Junping Yu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Mengmeng Zhao
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Wei Pan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Menglong Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jun Wan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
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16
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Zhao N, Zhang X, Ding J, Pan Q, Zheng MH, Liu WY, Luo G, Qu J, Li M, Li L, Cheng Y, Peng Y, Xie Q, Wei Q, Li Q, Zou L, Ouyang X, Cai SY, Boyer JL, Chai J. SEMA7AR148W mutation promotes lipid accumulation and NAFLD progression via increased localization on the hepatocyte surface. JCI Insight 2022; 7:154113. [PMID: 35938531 PMCID: PMC9462498 DOI: 10.1172/jci.insight.154113] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 06/27/2022] [Indexed: 12/30/2022] Open
Abstract
Genetic polymorphisms are associated with the development of nonalcoholic fatty liver disease (NAFLD). Semaphorin7a (Sema7a) deficiency in mouse peritoneal macrophages reduces fatty acid (FA) oxidation. Here, we identified 17 individuals with SEMA7A heterozygous mutations in 470 patients with biopsy-proven NAFLD. SEMA7A heterozygous mutations increased susceptibility to NAFLD, steatosis severity, and NAFLD activity scores in humans and mice. The Sema7aR145W mutation (equivalent to human SEMA7AR148W) significantly induced small lipid droplet accumulation in mouse livers compared with WT mouse livers. Mechanistically, the Sema7aR145W mutation increased N-glycosylated Sema7a and its receptor integrin β1 proteins in the cell membranes of hepatocytes. Furthermore, Sema7aR145W mutation enhanced its protein interaction with integrin β1 and PKC-α and increased PKC-α phosphorylation, which were both abrogated by integrin β1 silencing. Induction of PKCα_WT, but not PKCα_dominant negative, overexpression induced transcriptional factors Srebp1, Chrebp, and Lxr expression and their downstream Acc1, Fasn, and Cd36 expression in primary mouse hepatocytes. Collectively, our findings demonstrate that the SEMA7AR148W mutation is a potentially new strong genetic determinant of NAFLD and promotes intrahepatic lipid accumulation and NAFLD in mice by enhancing PKC-α-stimulated FA and triglyceride synthesis and FA uptake. The inhibition of hepatic PKC-α signaling may lead to novel NAFLD therapies.
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Affiliation(s)
- Nan Zhao
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Xiaoxun Zhang
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Jingjing Ding
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Qiong Pan
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | | | - Wen-Yue Liu
- Department of Endocrinology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Gang Luo
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Jiaquan Qu
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Mingqiao Li
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Ling Li
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Ying Cheng
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Ying Peng
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Qiaoling Xie
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Qinglin Wei
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Qiao Li
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
| | - Lingyun Zou
- Bioinformatics Center, Department of Microbiology of Third Military Medical University, Chongqing, China
- Bao’an Maternal and Child Health Hospital of Jinan University, Shenzhen, China
| | - Xinshou Ouyang
- Department of Internal Medicine, Section of Digestive Diseases, and
| | - Shi-Ying Cai
- Department of Internal Medicine and Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | - James L. Boyer
- Department of Internal Medicine and Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Jin Chai
- Department of Gastroenterology, Institute of Digestive Diseases of PLA, Cholestatic Liver Diseases Center, and Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) of Third Military Medical University (Army Medical University), Chongqing, China
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17
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Wang Y, Li C, Qi X, Yao Y, Zhang L, Zhang G, Xie L, Wang Q, Zhu W, Guo X. A Comprehensive Prognostic Analysis of Tumor-Related Blood Group Antigens in Pan-Cancers Suggests That SEMA7A as a Novel Biomarker in Kidney Renal Clear Cell Carcinoma. Int J Mol Sci 2022; 23:ijms23158799. [PMID: 35955933 PMCID: PMC9369114 DOI: 10.3390/ijms23158799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/30/2022] [Accepted: 08/02/2022] [Indexed: 11/16/2022] Open
Abstract
Blood group antigen is a class of heritable antigenic substances present on the erythrocyte membrane. However, the role of blood group antigens in cancer prognosis is still largely unclear. In this study, we investigated the expression of 33 blood group antigen genes and their association with the prognosis of 30 types of cancers in 31,870 tumor tissue samples. Our results revealed that blood group antigens are abnormally expressed in a variety of cancers. The high expression of these antigen genes was mainly related to the activation of the epithelial-mesenchymal transition (EMT) pathway. High expression of seven antigen genes, i.e., FUT7, AQP1, P1, C4A, AQP3, KEL and DARC, were significantly associated with good OS (Overall Survival) in six types of cancers, while ten genes, i.e., AQP1, P1, C4A, AQP3, BSG, CD44, CD151, LU, FUT2, and SEMA7A, were associated with poor OS in three types of cancers. Kidney renal clear cell carcinoma (KIRC) is associated with the largest number (14 genes) of prognostic antigen genes, i.e., CD44, CD151, SEMA7A, FUT7, CR1, AQP1, GYPA, FUT3, FUT6, FUT1, SLC14A1, ERMAP, C4A, and B3GALT3. High expression of SEMA7A gene was significantly correlated with a poor prognosis of KIRC in this analysis but has not been reported previously. SEMA7A might be a putative biomarker for poor prognosis in KIRC. In conclusion, our analysis indicates that blood group antigens may play functional important roles in tumorigenesis, progression, and especially prognosis. These results provide data to support prognostic marker development and future clinical management.
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Affiliation(s)
- Yange Wang
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Chenyang Li
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Xinlei Qi
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Yafei Yao
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Lu Zhang
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Guosen Zhang
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Longxiang Xie
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Qiang Wang
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
| | - Wan Zhu
- Department of Anesthesia, Stanford University, Stanford, CA 94305, USA
| | - Xiangqian Guo
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng 475004, China
- Correspondence:
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18
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Guaiquil VH, Xiao C, Lara D, Dimailig G, Zhou Q. Expression of axon guidance ligands and their receptors in the cornea and trigeminal ganglia and their recovery after corneal epithelium injury. Exp Eye Res 2022; 219:109054. [PMID: 35427568 PMCID: PMC9133167 DOI: 10.1016/j.exer.2022.109054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 03/15/2022] [Accepted: 03/22/2022] [Indexed: 11/04/2022]
Abstract
Axon guidance proteins are essential for axonal pathfinding during development. In adulthood, they have been described as pleiotropic proteins with multiple roles in different organs and tissues. While most studies on the roles of these proteins in the cornea have been performed on the Semaphorin family members, with few reports on Netrins or Ephrins, their function in corneal epithelium wound healing and functional nerve regeneration is largely unknown. Here, we studied the expression of ligands belonging to three distinct axon guidance families (Semaphorins, Ephrins, and Netrins) and their most commonly associated receptors in the cornea and trigeminal ganglia (TG) using immunofluorescence staining and RT-qPCR. We also evaluated how their expression recovers after corneal epithelium injury. We found that all ligands studied (Sema3A, Sema3F, EphrinB1, EphrinB2, Netrin-1, and Netrin-4) are abundantly expressed in both the TG and corneal epithelium. Similarly, their receptors (Neuropilin-1, Neuropilin-2, PlexinA1, PlexinA3, EphB2, EphB4, Neogenin, UNC5H1 and DCC) are also expressed in both tissues. Upon corneal epithelium injury, quick recovery of both ligands and receptors was observed at the protein and gene expression levels. While the timing and expression levels vary among these proteins, in general, most of them remained upregulated for several weeks after injury. We propose that the initial protein expression recovery may be related to corneal epithelium recovery since Sema3A, EphrinB2 and Netrin-4 accelerated corneal epithelial cells wound healing. The sustained high expression levels may be functionally related to nerve regeneration and/or patterning. Whilst further studies are required to test this hypothesis, this work contributes to unraveling their function in normal and injured cornea.
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Affiliation(s)
- Victor H Guaiquil
- Department of Ophthalmology and Visual Sciences, University of Illinois-Chicago, Chicago, IL, USA.
| | - Cissy Xiao
- Department of Ophthalmology and Visual Sciences, University of Illinois-Chicago, Chicago, IL, USA
| | - Daniel Lara
- Department of Ophthalmology and Visual Sciences, University of Illinois-Chicago, Chicago, IL, USA
| | - Greigory Dimailig
- Department of Ophthalmology and Visual Sciences, University of Illinois-Chicago, Chicago, IL, USA
| | - Qiang Zhou
- Department of Ophthalmology and Visual Sciences, University of Illinois-Chicago, Chicago, IL, USA
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19
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Luo S, Xu H, Yang L, Gong X, Shen J, Chen X, Wu Z. Quantitative proteomics analysis of human vitreous in rhegmatogenous retinal detachment associated with choroidal detachment by data-independent acquisition mass spectrometry. Mol Cell Biochem 2022; 477:1849-1863. [PMID: 35332395 DOI: 10.1007/s11010-022-04409-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 03/10/2022] [Indexed: 10/18/2022]
Abstract
The prognosis of rhegmatogenous retinal detachment (RRD) with choroidal detachment (RRDCD) is often poor and complicated. This study focused on the identification of the characteristic proteins and signal pathways associated with the etiology of RRDCD and to provide guidance for diagnosis and treatment of RRDCD. In this study, vitreous humor samples were obtained from 16 RRDCD patients, 14 with RRD, 12 with idiopathic epiretinal macular membrane (IEMM), and 5 healthy controls from donated corpse eyes. Data-independent acquisition mass spectrometry and bioinformatics analysis were employed to identify differentially expressed proteins (DEPs). In the vitreous humor, 14,842 peptides were identified. Patients with RRDCD had 249 DEPs (93 upregulated and 156 downregulated), with 89 in patients with RRD and 61 in patients with IEMM. Enrichment analysis of the GO and Kyoto Encyclopedia of Genes and Genomes DEP databases indicated functional clusters related to inflammation and immunity, protein degradation and absorption, cell adhesion molecules (CAMs), the hedgehog signaling pathway, and lipid metabolism. Weighted gene co-expression network analysis showed that DEPs with positive co-expression of RRDCD participated in immune-related pathways led by the complement and coagulation cascade, whereas DEPs with negative co-expression of RRDCD participated in protein degradation and absorption, CAMs, and the hedgehog signaling pathway. In summary, our study provides important clues and the theoretical basis for exploring the pathogenesis, progression, and prognosis of ocular fundus disease.
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Affiliation(s)
- Shasha Luo
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China.,Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu Province, People's Republic of China
| | - Huiyan Xu
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China.,Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu Province, People's Republic of China
| | - Lufei Yang
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Xuechun Gong
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Jinyan Shen
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Xuan Chen
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Zhifeng Wu
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China. .,Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu Province, People's Republic of China.
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20
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Wang L, Song Y, Yi X, Wu C, Guo Q, Zhou X, Song D, Zhang L, Huang D. Semaphorin 7A accelerates the inflammatory osteolysis of periapical lesions. J Endod 2022; 48:641-649.e2. [PMID: 35218761 DOI: 10.1016/j.joen.2022.01.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 01/18/2022] [Accepted: 01/31/2022] [Indexed: 02/05/2023]
Abstract
INTRODUCTION Semaphorin 7A (SEMA7A), the only member of the class VII semaphorin, has been considered as a potent immunomodulatory regulator, whose function in periapical lesions remains unclear. In our previous study, we found that SEMA7A was upregulated in human periapical periodontitis and might be involved in the immune response and tissue destruction of periapical lesions. In this research, we aimed to further explore the specifical regulatory role of SEMA7A as well as its regulatory mechanisms in the inflammatory progression of periapical lesions. METHODS Human periodontal ligament cells (hPDLCs) were collected from intact, caries-free, and healthy third molars and stimulated with recombinant human SEMA7A (rhSEMA7A). Real-time quantitative polymerase chain reaction (RT-qPCR), western blot and enzyme-linked immunosorbent assay (ELISA) were used to detect the mRNA and protein levels of inflammatory cytokines and matrix metalloproteinases (MMPs) in hPDLCs. 20 C57BL/6 mice were randomly divided into 4 groups: healthy control group, pulp exposure group, pulp exposure and saline treatment group and pulp exposure and rhSEMA7A treatment group. 20 μL sterile saline or 20 μL 200 ng/μL rhSEMA7A were injected respectively into the buccal mucosa around the root apex at day 0, 7, and 14. Mandibular tissues were collected at day 21. Micro-CT and immunohistochemical (IHC) staining were used to identify the bone destruction and inflammatory infiltration in periapical areas. Finally, AKT inhibitor (LY294002) was used to pretreat hPDLCs before rhSEMA7A stimulation to determine the role of AKT signaling activation in this process. RESULTS After treatment with rhSEMA7A, the mRNA and protein levels of interleukin (IL)-1β, IL-18, COX-2, MMP-1, and MMP-3 were remarkably upregulated in hPDLCs. In in vivo experiments, compared with other three groups, the treatment of rhSEMA7A would aggravate the osteolysis of alveolar bone and promote the infiltration of immune cells into the apex area accompanying with the increasing expression level of IL-1β, IL-18, matrix metalloproteinase (MMP)-1 and MMP-3. Furthermore, we found that the pro-inflammatory role of SEMA7A could be inhibited by the application of AKT inhibitor (LY294002). CONCLUSION SEMA7A likely aggravates the inflammatory reaction and bone destruction of existing periapical lesions. The pro-inflammatory role of SEMA7A in hPDLCs could partially be mediated through the ATK signaling transduction pathway.
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Affiliation(s)
- Liu Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Operative Dentistry & Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yao Song
- Chengdu Second People's Hospital, Department of Stomatology, China
| | - Xiaowei Yi
- Department of Endodontics, Affiliated Stomatology Hospital, Nanchang University, Nanchang, China
| | - Chenzhou Wu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Head and Neck Oncology West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qiang Guo
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Dongzhe Song
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Operative Dentistry & Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lan Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Operative Dentistry & Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
| | - Dingming Huang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Operative Dentistry & Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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21
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Pan Q, Luo G, Qu J, Chen S, Zhang X, Zhao N, Ding J, Yang H, Li M, Li L, Cheng Y, Li X, Xie Q, Li Q, Zhou X, Zou H, Fan S, Zou L, Liu W, Deng G, Cai S, Boyer JL, Chai J. A homozygous R148W mutation in Semaphorin 7A causes progressive familial intrahepatic cholestasis. EMBO Mol Med 2021; 13:e14563. [PMID: 34585848 PMCID: PMC8573601 DOI: 10.15252/emmm.202114563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 12/15/2022] Open
Abstract
Semaphorin 7A (SEMA7A) is a membrane-bound protein that involves axon growth and other biological processes. SEMA7A mutations are associated with vertebral fracture and Kallmann syndrome. Here, we report a case with a mutation in SEMA7A that displays familial cholestasis. WGS reveals a SEMA7AR148W homozygous mutation in a female child with elevated levels of serum ALT, AST, and total bile acid (TBA) of unknown etiology. This patient also carried a SLC10A1S267F allele, but Slc10a1S267F homozygous mice exhibited normal liver function. Similar to the child, Sema7aR145W homozygous mice displayed elevated levels of serum ALT, AST, and TBA. Remarkably, liver histology and LC-MS/MS analyses exhibited hepatocyte hydropic degeneration and increased liver bile acid (BA) levels in Sema7aR145W homozygous mice. Further mechanistic studies demonstrated that Sema7aR145W mutation reduced the expression of canalicular membrane BA transporters, bile salt export pump (Bsep), and multidrug resistance-associated protein-2 (Mrp2), causing intrahepatic cholestasis in mice. Administration with ursodeoxycholic acid and a dietary supplement glutathione improved liver function in the child. Therefore, Sema7aR145W homozygous mutation causes intrahepatic cholestasis by reducing hepatic Bsep and Mrp2 expression.
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Affiliation(s)
- Qiong Pan
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Gang Luo
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Jiaquan Qu
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Sheng Chen
- Department of PediatricsSouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Xiaoxun Zhang
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Nan Zhao
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Jingjing Ding
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Hong Yang
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Mingqiao Li
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Ling Li
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Ying Cheng
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Xuan Li
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Qiaoling Xie
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Qiao Li
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Xueqian Zhou
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Huiling Zou
- Department of PediatricsChangsha Hospital for Maternal & Child Health CareChangshaChina
| | - Shijun Fan
- Medical Research CenterSouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Lingyun Zou
- Bao'an Maternal and Child Health HospitalJinan UniversityShenzhenChina
| | - Wei Liu
- Institute of ImmunologyThird Military Medical University (Army Medical University)ChongqingChina
| | - Guohong Deng
- Department of Infectious DiseasesSouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
| | - Shi‐Ying Cai
- Department of Internal Medicine and Liver CenterYale University School of MedicineNew HavenCTUSA
| | - James L Boyer
- Department of Internal Medicine and Liver CenterYale University School of MedicineNew HavenCTUSA
| | - Jin Chai
- Cholestatic Liver Diseases CenterDepartment of GastroenterologySouthwest HospitalThird Military Medical University (Army Medical University)ChongqingChina
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22
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Song Y, Wang L, Li J, Yang F, Gao Y, Song D, Sun J, Ye L, Zhang L, Huang D. The Expression of Semaphorin 7A in Human Periapical Lesions. J Endod 2021; 47:1631-1639. [PMID: 34126161 DOI: 10.1016/j.joen.2021.06.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 06/04/2021] [Accepted: 06/05/2021] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Semaphorin 7A (SEMA7A) is a membrane-bound or secretory protein exerting multiple functions in the regulation of inflammation, neural degradation, and cancer progression. Human periapical lesions are chronic and infectious diseases mainly caused by bacteria. However, the involvement of SEMA7A in human periapical lesions is still unclear. This study aimed to explore the expression of SEMA7A in human periapical lesions accompanied by the potential association of SEMA7A with matrix metalloproteinase (MMP)-1 and MMP-3 during the progression of apical periodontitis. METHODS Samples of periapical lesions and healthy controls were collected. Total RNA and protein were extracted respectively for quantitative real-time polymerase chain reaction and Western blot analysis. Additionally, 6 healthy samples and 27 periapical lesion samples were fixed, dehydrated, and embedded for further histologic and immunochemical analysis. The expression of SEMA7A was quantified by average integrated optical density. Immunofluorescence analysis was conducted to explore the colocalization of SEMA7A/MMP-1 and SEMA7A/MMP-3. RESULTS Compared with healthy controls, the messenger RNA and protein expression of SEMA7A was markedly up-regulated in periapical lesions. A stronger expression of MMP-1, MMP-3, and inflammatory cytokines was exhibited in periapical lesions than in healthy groups. An increasing expression of SEMA7A can be observed in both the periapical granuloma group and the radicular cyst group compared with the normal group (P < .01). Immunofluorescence results showed the colocalization of SEMA7A with both MMP-1 and MMP-3 in vascular vessels and extracellular matrix. CONCLUSIONS SEMA7A was up-regulated in periapical periodontitis and might be involved in the tissue destruction and infiltration of immune cells in periapical lesions.
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Affiliation(s)
- Yao Song
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Liu Wang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jiatong Li
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fan Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuxuan Gao
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Dongzhe Song
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jianxun Sun
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ling Ye
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lan Zhang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
| | - Dingming Huang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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