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Dive into the research topics where Elena Cano is active.

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Featured researches published by Elena Cano.


Journal of Cellular and Molecular Medicine | 2010

The embryonic epicardium: an essential element of cardiac development.

Rita Carmona; Juan Antonio Guadix; Elena Cano; A. Ruiz-Villalba; V. Portillo-Sánchez; J.M. Pérez-Pomares; Ramón Muñoz-Chápuli

•  Introduction •  Origin of the epicardium: ontogeny and phylogeny •  Epicardial/myocardial cellular and molecular interactions •  EPDC contribute to coronary vessels and cardiac connective tissue •  Epicardium as the tip of the iceberg: coelomic‐derived cells can be essential for vascularization, growth and maturation of the visceral compartment •  Concluding remarks


Hepatology | 2014

GATA4 loss in the septum transversum mesenchyme promotes liver fibrosis in mice

Irene Delgado; Manuel Carrasco; Elena Cano; Rita Carmona; R. Garcia-Carbonero; Luis Miguel Marín-Gómez; Bernat Soria; Francisco Martin; David A. Cano; Ramón Muñoz-Chápuli; Anabel Rojas

The zinc finger transcription factor GATA4 controls specification and differentiation of multiple cell types during embryonic development. In mouse embryonic liver, Gata4 is expressed in the endodermal hepatic bud and in the adjacent mesenchyme of the septum transversum. Previous studies have shown that Gata4 inactivation impairs liver formation. However, whether these defects are caused by loss of Gata4 in the hepatic endoderm or in the septum transversum mesenchyme remains to be determined. In this study, we have investigated the role of mesenchymal GATA4 activity in liver formation. We have conditionally inactivated Gata4 in the septum transversum mesenchyme and its derivatives by using Cre/loxP technology. We have generated a mouse transgenic Cre line, in which expression of Cre recombinase is controlled by a previously identified distal Gata4 enhancer. Conditional inactivation of Gata4 in hepatic mesenchymal cells led to embryonic lethality around mouse embryonic stage 13.5, likely as a consequence of fetal anemia. Gata4 knockout fetal livers exhibited reduced size, advanced fibrosis, accumulation of extracellular matrix components and hepatic stellate cell (HSC) activation. Haploinsufficiency of Gata4 accelerated CCl4‐induced liver fibrosis in adult mice. Moreover, Gata4 expression was dramatically reduced in advanced hepatic fibrosis and cirrhosis in humans. Conclusions: Our data demonstrate that mesenchymal GATA4 activity regulates HSC activation and inhibits the liver fibrogenic process. (Hepatology 2014;59:2358–2370)


PLOS ONE | 2013

Cells Derived from the Coelomic Epithelium Contribute to Multiple Gastrointestinal Tissues in Mouse Embryos

Rita Carmona; Elena Cano; Andrea Mattiotti; Joaquín Gaztambide; Ramón Muñoz-Chápuli

Gut mesodermal tissues originate from the splanchnopleural mesenchyme. However, the embryonic gastrointestinal coelomic epithelium gives rise to mesenchymal cells, whose significance and fate are little known. Our aim was to investigate the contribution of coelomic epithelium-derived cells to the intestinal development. We have used the transgenic mouse model mWt1/IRES/GFP-Cre (Wt1cre) crossed with the Rosa26R-EYFP reporter mouse. In the gastrointestinal duct Wt1, the Wilms’ tumor suppressor gene, is specific and dynamically expressed in the coelomic epithelium. In the embryos obtained from the crossbreeding, the Wt1-expressing cell lineage produces the yellow fluorescent protein (YFP) allowing for colocalization with differentiation markers through confocal microscopy and flow cytometry. Wt1cre-YFP cells were very abundant throughout the intestine during midgestation, declining in neonates. Wt1cre-YFP cells were also transiently observed within the mucosa, being apparently released into the intestinal lumen. YFP was detected in cells contributing to intestinal vascularization (endothelium, pericytes and smooth muscle), visceral musculature (circular, longitudinal and submucosal) as well as in Cajal and Cajal-like interstitial cells. Wt1cre-YFP mesenchymal cells expressed FGF9, a critical growth factor for intestinal development, as well as PDGFRα, mainly within developing villi. Thus, a cell population derived from the coelomic epithelium incorporates to the gut mesenchyme and contribute to a variety of intestinal tissues, probably playing also a signaling role. Our results support the origin of interstitial cells of Cajal and visceral circular muscle from a common progenitor expressing anoctamin-1 and SMCα-actin. Coelomic-derived cells contribute to the differentiation of at least a part of the interstitial cells of Cajal.


Biochimica et Biophysica Acta | 2013

Met signaling in cardiomyocytes is required for normal cardiac function in adult mice

María Arechederra; Rita Carmona; María González-Núñez; Álvaro Gutiérrez-Uzquiza; Paloma Bragado; Ignacio Cruz-González; Elena Cano; Carmen Guerrero; Aránzazu Sánchez; José M. López-Novoa; Michael D. Schneider; Flavio Maina; Ramón Muñoz-Chápuli; Almudena Porras

Hepatocyte growth factor (HGF) and its receptor, Met, are key determinants of distinct developmental processes. Although HGF exerts cardio-protective effects in a number of cardiac pathologies, it remains unknown whether HGF/Met signaling is essential for myocardial development and/or physiological function in adulthood. We therefore investigated the requirement of HGF/Met signaling in cardiomyocyte for embryonic and postnatal heart development and function by conditional inactivation of the Met receptor in cardiomyocytes using the Cre-α-MHC mouse line (referred to as α-MHCMet-KO). Although α-MHCMet-KO mice showed normal heart development and were viable and fertile, by 6 months of age, males developed cardiomyocyte hypertrophy, associated with interstitial fibrosis. A significant upregulation in markers of myocardial damage, such as β-MHC and ANF, was also observed. By the age of 9 months, α-MHCMet-KO males displayed systolic cardiac dysfunction. Mechanistically, we provide evidence of a severe imbalance in the antioxidant defenses in α-MHCMet-KO hearts involving a reduced expression and activity of catalase and superoxide dismutase, with consequent reactive oxygen species accumulation. Similar anomalies were observed in females, although with a slower kinetics. We also found that Met signaling down-regulation leads to an increase in TGF-β production and a decrease in p38MAPK activation, which may contribute to phenotypic alterations displayed in α-MHCMet-KO mice. Consistently, we show that HGF acts through p38α to upregulate antioxidant enzymes in cardiomyocytes. Our results highlight that HGF/Met signaling in cardiomyocytes plays a physiological cardio-protective role in adult mice by acting as an endogenous regulator of heart function through oxidative stress control.


Nutrients | 2017

Role of vitamin A/retinoic acid in regulation of embryonic and adult hematopoiesis

Ana Cañete; Elena Cano; Ramón Muñoz-Chápuli; Rita Carmona

Vitamin A is an essential micronutrient throughout life. Its physiologically active metabolite retinoic acid (RA), acting through nuclear retinoic acid receptors (RARs), is a potent regulator of patterning during embryonic development, as well as being necessary for adult tissue homeostasis. Vitamin A deficiency during pregnancy increases risk of maternal night blindness and anemia and may be a cause of congenital malformations. Childhood Vitamin A deficiency can cause xerophthalmia, lower resistance to infection and increased risk of mortality. RA signaling appears to be essential for expression of genes involved in developmental hematopoiesis, regulating the endothelial/blood cells balance in the yolk sac, promoting the hemogenic program in the aorta-gonad-mesonephros area and stimulating eryrthropoiesis in fetal liver by activating the expression of erythropoietin. In adults, RA signaling regulates differentiation of granulocytes and enhances erythropoiesis. Vitamin A may facilitate iron absorption and metabolism to prevent anemia and plays a key role in mucosal immune responses, modulating the function of regulatory T cells. Furthermore, defective RA/RARα signaling is involved in the pathogenesis of acute promyelocytic leukemia due to a failure in differentiation of promyelocytes. This review focuses on the different roles played by vitamin A/RA signaling in physiological and pathological mouse hematopoiesis duddurring both, embryonic and adult life, and the consequences of vitamin A deficiency for the blood system.


eLife | 2016

Conditional deletion of WT1 in the septum transversum mesenchyme causes congenital diaphragmatic hernia in mice

Rita Carmona; Ana Cañete; Elena Cano; Laura Ariza; Anabel Rojas; Ramón Muñoz-Chápuli

Congenital diaphragmatic hernia (CDH) is a severe birth defect. Wt1-null mouse embryos develop CDH but the mechanisms regulated by WT1 are unknown. We have generated a murine model with conditional deletion of WT1 in the lateral plate mesoderm, using the G2 enhancer of the Gata4 gene as a driver. 80% of G2-Gata4Cre;Wt1fl/fl embryos developed typical Bochdalek-type CDH. We show that the posthepatic mesenchymal plate coelomic epithelium gives rise to a mesenchyme that populates the pleuroperitoneal folds isolating the pleural cavities before the migration of the somitic myoblasts. This process fails when Wt1 is deleted from this area. Mutant embryos show Raldh2 downregulation in the lateral mesoderm, but not in the intermediate mesoderm. The mutant phenotype was partially rescued by retinoic acid treatment of the pregnant females. Replacement of intermediate by lateral mesoderm recapitulates the evolutionary origin of the diaphragm in mammals. CDH might thus be viewed as an evolutionary atavism. DOI: http://dx.doi.org/10.7554/eLife.16009.001


Developmental Dynamics | 2016

Coelomic epithelium-derived cells in visceral morphogenesis.

Laura Ariza; Rita Carmona; Ana Cañete; Elena Cano; Ramón Muñoz-Chápuli

Coelomic cavities of vertebrates are lined by a mesothelium which develops from the lateral plate mesoderm. During development, the coelomic epithelium is a highly active cell layer, which locally is able to supply mesenchymal cells that contribute to the mesodermal elements of many organs and provide signals which are necessary for their development. The relevance of this process of mesenchymal cell supply to the developing organs is becoming clearer because genetic lineage tracing techniques have been developed in recent years. Body wall, heart, liver, lungs, gonads, and gastrointestinal tract are populated by cells derived from the coelomic epithelium which contribute to their connective and vascular tissues, and sometimes to specialized cell types such as the stellate cells of the liver, the Cajal interstitial cells of the gut or the Sertoli cells of the testicle. In this review we collect information about the contribution of coelomic epithelium derived cells to visceral development, their developmental fates and signaling functions. The common features displayed by all these processes suggest that the epithelial–mesenchymal transition of the embryonic coelomic epithelium is an underestimated but key event of vertebrate development, and probably it is shared by all the coelomate metazoans. Developmental Dynamics 245:307–322, 2016.


Nucleic Acids Research | 2016

Phosphorylation of the chromatin remodeling factor DPF3a induces cardiac hypertrophy through releasing HEY repressors from DNA

Huanhuan Cui; Jenny Schlesinger; Sophia Schoenhals; Martje Tönjes; Ilona Dunkel; David Meierhofer; Elena Cano; Kerstin Schulz; Michael F. Berger; Timm Haack; Salim Abdelilah-Seyfried; Martha L. Bulyk; Sascha Sauer; Silke Sperling

DPF3 (BAF45c) is a member of the BAF chromatin remodeling complex. Two isoforms have been described, namely DPF3a and DPF3b. The latter binds to acetylated and methylated lysine residues of histones. Here, we elaborate on the role of DPF3a and describe a novel pathway of cardiac gene transcription leading to pathological cardiac hypertrophy. Upon hypertrophic stimuli, casein kinase 2 phosphorylates DPF3a at serine 348. This initiates the interaction of DPF3a with the transcriptional repressors HEY, followed by the release of HEY from the DNA. Moreover, BRG1 is bound by DPF3a, and is thus recruited to HEY genomic targets upon interaction of the two components. Consequently, the transcription of downstream targets such as NPPA and GATA4 is initiated and pathological cardiac hypertrophy is established. In human, DPF3a is significantly up-regulated in hypertrophic hearts of patients with hypertrophic cardiomyopathy or aortic stenosis. Taken together, we show that activation of DPF3a upon hypertrophic stimuli switches cardiac fetal gene expression from being silenced by HEY to being activated by BRG1. Thus, we present a novel pathway for pathological cardiac hypertrophy, whose inhibition is a long-term therapeutic goal for the treatment of the course of heart failure.


Seminars in Cell & Developmental Biology | 2018

Mesothelial-mesenchymal transitions in embryogenesis

Rita Carmona; Laura Ariza; Elena Cano; Manuel Jiménez-Navarro; Ramón Muñoz-Chápuli

Most animals develop coelomic cavities lined by an epithelial cell layer called the mesothelium. Embryonic mesothelial cells have the ability to transform into mesenchymal cells which populate many developing organs contributing to their connective and vascular tissues, and also to organ-specific cell types. Furthermore, embryonic mesothelium and mesothelial-derived cells produce essential signals for visceral morphogenesis. We review the most relevant literature about the mechanisms regulating the embryonic mesothelial-mesenchymal transition, the developmental fate of the mesothelial-derived cells and other functions of the embryonic mesothelium, such as its contribution to the establishment of left-right visceral asymmetries or its role in limb morphogenesis.


American Journal of Physiology-lung Cellular and Molecular Physiology | 2013

Wt1-expressing progenitors contribute to multiple tissues in the developing lung

Elena Cano; Rita Carmona; Ramón Muñoz-Chápuli

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Anabel Rojas

Spanish National Research Council

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Almudena Porras

Complutense University of Madrid

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Aránzazu Sánchez

Complutense University of Madrid

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