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Liao Z, Zheng X, Li H, Deng Z, Feng S, Tan H, Zhao L. Carboxypeptidase M modulates BMSCs osteogenesis-adipogenesis via the MAPK/ERK pathway: An integrated single-cell and bulk transcriptomic study. FASEB J 2024; 38:e23657. [PMID: 38713087 DOI: 10.1096/fj.202302508r] [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: 12/06/2023] [Revised: 04/16/2024] [Accepted: 04/25/2024] [Indexed: 05/08/2024]
Abstract
The pathogenesis of osteoporosis (OP) is closely associated with the disrupted balance between osteogenesis and adipogenesis in bone marrow-derived mesenchymal stem cells (BMSCs). We analyzed published single-cell RNA sequencing (scRNA-seq) data to dissect the transcriptomic profiles of bone marrow-derived cells in OP, reviewing 56 377 cells across eight scRNA-seq datasets from femoral heads (osteoporosis or osteopenia n = 5, osteoarthritis n = 3). Seventeen genes, including carboxypeptidase M (CPM), were identified as key osteogenesis-adipogenesis regulators through comprehensive gene set enrichment, differential expression, regulon activity, and pseudotime analyses. In vitro, CPM knockdown reduced osteogenesis and promoted adipogenesis in BMSCs, while adenovirus-mediated CPM overexpression had the reverse effects. In vivo, intraosseous injection of CPM-overexpressing BMSCs mitigated bone loss in ovariectomized mice. Integrated scRNA-seq and bulk RNA sequencing analyses provided insight into the MAPK/ERK pathway's role in the CPM-mediated regulation of BMSC osteogenesis and adipogenesis; specifically, CPM overexpression enhanced MAPK/ERK signaling and osteogenesis. In contrast, the ERK1/2 inhibitor binimetinib negated the effects of CPM overexpression. Overall, our findings identify CPM as a pivotal regulator of BMSC differentiation, which provides new clues for the mechanistic study of OP.
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Affiliation(s)
- Zheting Liao
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaoyong Zheng
- Orthopaedic Department, The 4th Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Hongfang Li
- Beijing Yijiandian Clinic, Beijing, China
- Health Management Center, Peking University International Hospital, Beijing, China
| | - Zhonghao Deng
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Shuhao Feng
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Hongbo Tan
- Department of Orthopaedic, The 920th Hospital of Joint Logistics Support Force, Kunming, Yunnan, China
| | - Liang Zhao
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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2
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Wang J, Fan H, Xia S, Shao J, Tang T, Chen L, Bai X, Sun W, Jia X, Chen S, Lai S. Microbiome, Transcriptome, and Metabolomic Analyses Revealed the Mechanism of Immune Response to Diarrhea in Rabbits Fed Antibiotic-Free Diets. Front Microbiol 2022; 13:888984. [PMID: 35875568 PMCID: PMC9298518 DOI: 10.3389/fmicb.2022.888984] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 05/24/2022] [Indexed: 11/13/2022] Open
Abstract
In this study, diarrhea was induced in rabbits by feeding them antibiotic-free feed. The gut provides important defense against the barriers of the body, of which the duodenum is an important part to help digest food and absorb nutrients. However, the mechanisms underlying the roles of the gut microbiome and fecal metabolome in rabbit diarrhea caused by feeding an antibiotic-free diet have not been characterized. Recently, only a single study has been conducted to further characterize the antibiotic-free feed additives that caused diarrhea in weaned rabbits. The multi-omics techniques, including 16S rRNA sequencing, transcriptome sequencing, and LC-MS analysis, were combined to analyze the gut microbial compositions and functions. They also determined the fecal metabolomic profiles of diarrhea in rabbits caused by feeding antibiotic-free feed. The results showed that the liver, duodenal, and sacculus rotundus tissues of diarrhea rabbits were diseased, the composition of intestinal microbes was significantly changed, the diversity of intestinal microbes was decreased, and the distribution of intestinal microbe groups was changed. Functional analysis based on the cluster of GO and KEGG annotations suggested that two functional GO categories belonged to the metabolism cluster, and five KEGG pathways related to the metabolic pathways were significantly enriched in diarrhea rabbits. Moreover, real-time quantitative PCR (RT-qPCR) was used to verify the significant expression of genes related to diarrhea. Metabolomics profiling identified 432 significantly differently abundant metabolites in diarrhea rabbits, including amino acids and their derivatives. These amino acids were enriched in the tryptophan metabolic pathway. In addition, the functional correlation analysis showed that some altered gut microbiota families, such as Parasutterella, significantly correlated with alterations in fecal metabolites. Collectively, the results suggested that altered gut microbiota was associated with diarrhea caused by antibiotic-free feed additives in weaned rabbit pathogenesis.
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Visniauskas B, Perry JC, Gomes GN, Nogueira-Pedro A, Paredes-Gamero EJ, Tufik S, Chagas JR. Intermittent hypoxia changes the interaction of the kinin-VEGF system and impairs myocardial angiogenesis in the hypertrophic heart. Physiol Rep 2021; 9:e14863. [PMID: 33991464 PMCID: PMC8123545 DOI: 10.14814/phy2.14863] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/29/2021] [Accepted: 04/13/2021] [Indexed: 12/12/2022] Open
Abstract
Intermittent hypoxia (IH) is a feature of obstructive sleep apnea (OSA), a condition highly associated with hypertension-related cardiovascular diseases. Repeated episodes of IH contribute to imbalance of angiogenic growth factors in the hypertrophic heart, which is key in the progression of cardiovascular complications. In particular, the interaction between vascular endothelial growth factor (VEGF) and the kallikrein-kinin system (KKS) is essential for promoting angiogenesis. However, researchers have yet to investigate experimental models of IH that reproduce OSA, myocardial angiogenesis, and expression of KKS components. We examined temporal changes in cardiac angiogenesis in a mouse IH model. Adult male C57BI/6 J mice were implanted with Matrigel plugs and subjected to IH for 1-5 weeks with subsequent weekly histological evaluation of vascularization. Expression of VEGF and KKS components was also evaluated. After 3 weeks, in vivo myocardial angiogenesis and capillary density were decreased, accompanied by a late increase of VEGF and its type 2 receptor. Furthermore, IH increased left ventricular myocardium expression of the B2 bradykinin receptor, while reducing mRNA levels of B1 receptor. These results suggest that in IH, an unexpected response of the VEGF and KKS systems could explain the reduced capillary density and impaired angiogenesis in the hypoxic heart, with potential implications in hypertrophic heart malfunction.
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Affiliation(s)
- Bruna Visniauskas
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Juliana C Perry
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Guiomar N Gomes
- Departmento de Fisiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | | | - Sergio Tufik
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Jair R Chagas
- Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil.,Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, Brazil
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Pontes VCB, Tavares JPTDM, Rosenstock TR, Rodrigues DS, Yudi MI, Soares JPM, Ribeiro SC, Sutti R, Torres LMB, de Melo FHM, Gamberini MT. Increased acute blood flow induced by the aqueous extract of Euterpe oleracea Mart. fruit pulp in rats in vivo is not related to the direct activation of endothelial cells. JOURNAL OF ETHNOPHARMACOLOGY 2021; 271:113885. [PMID: 33539952 DOI: 10.1016/j.jep.2021.113885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 01/21/2021] [Accepted: 01/25/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Scientific evidence supports the antioxidant, anti-inflammatory and anti-lipidemic properties of Euterpe oleracea Mart. (açaí), which all converge to reduce cardiovascular risks. Macerating the pulp of açaí fruit produces a viscous aqueous extract (AE) rich in flavonoids that is commonly used in food production. In addition to nutritional aspects, cardiovascular benefits are attributed to AE by traditional medicine. AIM OF THE STUDY Evaluation of AE impact on blood flow in vivo in rats and investigation of the mechanism underlying this response in vitro in rat endothelial cells (RECs). MATERIALS AND METHODS For the measurement of acute blood flow, a perivascular ultrasound probe was used in Wistar rats. The in vitro assays employed REC to evaluate: concentration (1-1000 μg/mL) and time response (2-180 min) of AE in MTT cell viability assays; nitric oxide (NO) levels measurement and intracellular calcium handling using DAF-2DA and Fluo-4-AM, respectively; cellular biopterin content by HPLC; activation of Akt pathway using western blot analysis. For the chemical analyses of AE, stock solutions of the standards (+)catechin and quercetin were used for obtaining linear calibration curves. Identification and quantification of flavonoids in AE were based on comparisons with the retention times, increase in peak area determine by co-injection of AE with standards, UV-Vis scan and standard curves of known spectra. Results were expressed as mean ± standard deviation and data were analyzed using ANOVA followed by Tukey's post-test (p < 0.05). RESULTS Although in vivo data have revealed the participation of NO in increasing of acute blood flow on abdominal aorta, in vitro analysis demonstrated that vasodilatation AE-induced is not related to its direct action on endothelial cells inducing eNOS activation. Besides, we demonstrated in isolated endothelial cells that highest concentrations of AE caused a reduction in NO levels, effect that could be partly justified by inhibition of Akt phosphorylation which, in turn, could decrease NOS activation. The involvement of cell transduction pathways involving variations in intracellular calcium and biopterins concentration were discarded. The participation of catechin and quercetin, identified in AE, was postulated to induce the responses of AE in REC. CONCLUSIONS Despite the responses in vitro, vasodilation prevailed in vivo, probably by activating intermediate pathways, validating a potential beneficial effect of AE in reducing cardiovascular risks.
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Affiliation(s)
- Victória Caroline Bottino Pontes
- Department of Physiological Sciences Santa Casa de Sao Paulo School of Medical Sciences - School of Medicine, São Paulo, SP, Brazil.
| | | | | | - Domingos Sávio Rodrigues
- Instituto de Botânica de São Paulo, Centro de Pesquisa Jardim Botânico e Reservas, São Paulo, SP, Brazil.
| | - Marcelo Icimoto Yudi
- Department of Biophysics, Federal University São Paulo (UNIFESP), São Paulo, SP, Brazil.
| | - Jaqueline Pereira Moura Soares
- Department of Physiological Sciences Santa Casa de Sao Paulo School of Medical Sciences - School of Medicine, São Paulo, SP, Brazil.
| | - Suzana Costa Ribeiro
- Department of Physiological Sciences Santa Casa de Sao Paulo School of Medical Sciences - School of Medicine, São Paulo, SP, Brazil.
| | - Rafael Sutti
- Department of Physiological Sciences Santa Casa de Sao Paulo School of Medical Sciences - School of Medicine, São Paulo, SP, Brazil.
| | - Luce Maria Brandão Torres
- Instituto de Botânica de São Paulo, Centro de Pesquisa Jardim Botânico e Reservas, São Paulo, SP, Brazil.
| | | | - Maria Thereza Gamberini
- Department of Physiological Sciences Santa Casa de Sao Paulo School of Medical Sciences - School of Medicine, São Paulo, SP, Brazil.
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Hamid S, Rhaleb IA, Kassem KM, Rhaleb NE. Role of Kinins in Hypertension and Heart Failure. Pharmaceuticals (Basel) 2020; 13:E347. [PMID: 33126450 PMCID: PMC7692223 DOI: 10.3390/ph13110347] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 12/11/2022] Open
Abstract
The kallikrein-kinin system (KKS) is proposed to act as a counter regulatory system against the vasopressor hormonal systems such as the renin-angiotensin system (RAS), aldosterone, and catecholamines. Evidence exists that supports the idea that the KKS is not only critical to blood pressure but may also oppose target organ damage. Kinins are generated from kininogens by tissue and plasma kallikreins. The putative role of kinins in the pathogenesis of hypertension is discussed based on human mutation cases on the KKS or rats with spontaneous mutation in the kininogen gene sequence and mouse models in which the gene expressing only one of the components of the KKS has been deleted or over-expressed. Some of the effects of kinins are mediated via activation of the B2 and/or B1 receptor and downstream signaling such as eicosanoids, nitric oxide (NO), endothelium-derived hyperpolarizing factor (EDHF) and/or tissue plasminogen activator (T-PA). The role of kinins in blood pressure regulation at normal or under hypertension conditions remains debatable due to contradictory reports from various laboratories. Nevertheless, published reports are consistent on the protective and mediating roles of kinins against ischemia and cardiac preconditioning; reports also demonstrate the roles of kinins in the cardiovascular protective effects of the angiotensin-converting enzyme (ACE) and angiotensin type 1 receptor blockers (ARBs).
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Affiliation(s)
- Suhail Hamid
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI 48202, USA; (S.H.); (I.A.R.)
| | - Imane A. Rhaleb
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI 48202, USA; (S.H.); (I.A.R.)
| | - Kamal M. Kassem
- Division of Cardiology, Department of Internal Medicine, University of Louisville Medical Center, Louisville, KY 40202, USA;
| | - Nour-Eddine Rhaleb
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI 48202, USA; (S.H.); (I.A.R.)
- Department of Physiology, Wayne State University, Detroit, MI 48201, USA
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Estrela GR, Wasinski F, Gregnani MF, Freitas-Lima LC, Arruda AC, Morais RL, Malheiros DM, Camara NOS, Pesquero JB, Bader M, Barros CC, Araújo RC. Angiotensin-Converting Enzyme Inhibitor Protects Against Cisplatin Nephrotoxicity by Modulating Kinin B1 Receptor Expression and Aminopeptidase P Activity in Mice. Front Mol Biosci 2020; 7:96. [PMID: 32528973 PMCID: PMC7257977 DOI: 10.3389/fmolb.2020.00096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/27/2020] [Indexed: 12/17/2022] Open
Abstract
Cisplatin is a highly effective chemotherapeutic agent. However, its use is limited by nephrotoxicity. Enalapril is an angiotensin I-converting enzyme inhibitor used for the treatment of hypertension, mainly through the reduction of angiotensin II formation, but also through the increase of kinins half-life. Kinin B1 receptor is associated with inflammation and migration of immune cells into the injured tissue. We have previously shown that the deletion or blockage of kinin B1 and B2 receptors can attenuate cisplatin nephrotoxicity. In this study, we tested enalapril treatment as a tool to prevent cisplatin nephrotoxicity. Male C57Bl/6 mice were divided into 3 groups: control group; cisplatin (20 mg/kg i.p) group; and enalapril (1.5 mg;kg i.p) + cisplatin group. The animals were treated with a single dose of cisplatin and euthanized after 96 h. Enalapril was able to attenuate cisplatin-induced increase in creatinine and urea, and to reduce tubular injury and upregulation of apoptosis-related genes, as well as inflammatory cytokines in circulation and kidney. The upregulation of B1 receptor was blocked in enalapril + cisplatin group. Carboxypeptidase M expression, which generates B1 receptor agonists, is blunted by cisplatin + enalapril treatment. The activity of aminopeptidase P, a secondary key enzyme able to degrade kinins, is restored by enalapril treatment. These findings were confirmed in mouse renal epithelial tubular cells, in which enalaprilat (5 μM) was capable of decreasing tubular injury and inflammatory markers. We treated mouse renal epithelial tubular cells with cisplatin (100 μM), cisplatin+enalaprilat and cisplatin+enalaprilat+apstatin (10 μM). The results showed that cisplatin alone decreases cell viability, cisplatin plus enalaprilat is able to restore cell viability, and cisplatin plus enalaprilat and apstatin decreases cell viability. In the present study, we demonstrated that enalapril prevents cisplatin nephrotoxicity mainly by preventing the upregulation of B1 receptor and carboxypeptidase M and the increased concentrations of kinin peptides through aminopeptidase activity restoration.
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Affiliation(s)
- Gabriel R Estrela
- Departamento de Medicina, Disciplina de Nefrologia, Universidade Federal de São Paulo, São Paulo, Brazil.,Departamento de Oncologia Clínica e Experimental, Disciplina de Hematologia e Hematoterapia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Frederick Wasinski
- Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Marcos F Gregnani
- Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Adriano C Arruda
- Departamento de Medicina, Disciplina de Nefrologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Rafael Leite Morais
- Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Niels O S Camara
- Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - João Bosco Pesquero
- Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Michael Bader
- Max-Delbrück Center for Molecular Medicine (MDC), Berlin, Germany.,Institute for Biology, University of Lübeck, Lübeck, Germany.,Charité University Medicine, Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
| | - Carlos Castilho Barros
- Departamento de Nutrição, Escola de Nutrição, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Ronaldo Carvalho Araújo
- Departamento de Medicina, Disciplina de Nefrologia, Universidade Federal de São Paulo, São Paulo, Brazil.,Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, Brazil
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