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Vlachovsky SG, Azurmendi PJ, Oddo EM, Rodríguez RS, Di Ciano LA, Goette NP, Paz LA, Silberstein C, Ibarra FR. High sodium, rather than high blood pressure, induces immune cell activation and renal infiltration in ovariectomized adult Wistar rats. Biochem Biophys Res Commun 2024; 722:150147. [PMID: 38788356 DOI: 10.1016/j.bbrc.2024.150147] [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: 05/09/2024] [Revised: 05/14/2024] [Accepted: 05/19/2024] [Indexed: 05/26/2024]
Abstract
We used an animal model of salt-sensitive hypertension (SSH) in which ovariectomized (oVx) rats developed hypertension with high salt (HS) intake. Hypertension is accompanied by changes in the percentage of CD4+ T lymphocytes, immune CD45+ cell infiltration into renal tissue, and changes in Na+, K+- ATPase (NKA) expression in both renal tissue and peripheral blood mononuclear cells (PBMCs). To determine whether the observed changes resulted from HS intake, high blood pressure, or both, hydralazine (HDZ) was used to lower blood pressure. The oVx HS rats received two HDZ schedules either to prevent or to treat hypertension. NKA was overexpressed in the kidneys of all oVx groups and in PBMCs of oVx HS rats. This pattern was not altered with HDZ treatment. Changes in CD4+ T lymphocytes and renal infiltration of CD45+ cells were not reversed either. High salt, but not high blood pressure, induces immune cell activation and renal infiltration. Overexpressed NKA is the primary event, and HS is the perturbation to the system in this model of SSH, which resembles the postmenopausal state.
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Affiliation(s)
- Sandra G Vlachovsky
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
| | - Pablo J Azurmendi
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
| | - Elisabet M Oddo
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
| | - Romina S Rodríguez
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
| | - Luis A Di Ciano
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
| | - Nora P Goette
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Laboratorio Hematología Investigación, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
| | - Leonardo A Paz
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Servicio de Anatomía Patológica, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
| | - Claudia Silberstein
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Médicas, Departamento de Ciencias Fisiológicas. Instituto de Fisiología y Biofísica B. Houssay (IFIBIO-Houssay), Laboratorio de Fisiología Renal, Paraguay 2155, piso 4, Buenos Aires, 1121, Argentina.
| | - Fernando R Ibarra
- Universidad de Buenos Aires, Instituto de Investigaciones Médicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Médicas A. Lanari, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina; Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Médicas, Departamento de Ciencias Fisiológicas. Instituto de Fisiología y Biofísica B. Houssay (IFIBIO-Houssay), Laboratorio de Fisiología Renal, Paraguay 2155, piso 4, Buenos Aires, 1121, Argentina.
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Rossitto G, Bertoldi G, Rutkowski JM, Mitchell BM, Delles C. Sodium, Interstitium, Lymphatics and Hypertension-A Tale of Hydraulics. Hypertension 2024; 81:727-737. [PMID: 38385255 PMCID: PMC10954399 DOI: 10.1161/hypertensionaha.123.17942] [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] [Indexed: 02/23/2024]
Abstract
Blood pressure is regulated by vascular resistance and intravascular volume. However, exchanges of electrolytes and water between intra and extracellular spaces and filtration of fluid and solutes in the capillary beds blur the separation between intravascular, interstitial and intracellular compartments. Contemporary paradigms of microvascular exchange posit filtration of fluids and solutes along the whole capillary bed and a prominent role of lymphatic vessels, rather than its venous end, for their reabsorption. In the last decade, these concepts have stimulated greater interest in and better understanding of the lymphatic system as one of the master regulators of interstitial volume homeostasis. Here, we describe the anatomy and function of the lymphatic system and focus on its plasticity in relation to the accumulation of interstitial sodium in hypertension. The pathophysiological relevance of the lymphatic system is exemplified in the kidneys, which are crucially involved in the control of blood pressure, but also hypertension-mediated cardiac damage. Preclinical modulation of the lymphatic reserve for tissue drainage has demonstrated promise, but has also generated conflicting results. A better understanding of the hydraulic element of hypertension and the role of lymphatics in maintaining fluid balance can open new approaches to prevent and treat hypertension and its consequences, such as heart failure.
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Affiliation(s)
- Giacomo Rossitto
- School of Cardiovascular and Metabolic Health, University of Glasgow, UK
- Emergency Medicine and Hypertension, DIMED; Università degli Studi di Padova, Italy
| | - Giovanni Bertoldi
- Emergency Medicine and Hypertension, DIMED; Università degli Studi di Padova, Italy
| | | | - Brett M. Mitchell
- Dept. of Medical Physiology, Texas A&M University School of Medicine, USA
| | - Christian Delles
- School of Cardiovascular and Metabolic Health, University of Glasgow, UK
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Kitada K, Nishiyama A. Potential Role of the Skin in Hypertension Risk Through Water Conservation. Hypertension 2024; 81:468-475. [PMID: 37942635 DOI: 10.1161/hypertensionaha.123.20700] [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] [Indexed: 11/10/2023]
Abstract
Previous basic and clinical investigations have identified various pathogenic factors and determinants of risk that contribute to hypertension. Nevertheless, the pathogenesis of hypertension has not been fully elucidated. Moreover, despite the availability of antihypertensive medications for the management of blood pressure, treatments that address the full spectrum of the pathophysiological defects underpinning hypertension remain to be identified. To further investigate the mechanisms of primary hypertension, it is imperative to consider novel potential aspects, such as fluid management by the skin, in addition to the conventional risk factors. There is a close association between body fluid regulation and blood pressure, and the kidney, which, as the principal organ responsible for body fluid homeostasis, is the primary target for research in the field of hypertension. In addition, the skin functions as a biological barrier, potentially contributing to body fluid regulation. In this review, we propose the hypothesis that changes in skin water conservation are associated with hypertension risk based on recent findings. Further studies are required to clarify whether this novel hypothesis is limited to specific hypertension or applies to physiological blood pressure regulation.
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Affiliation(s)
- Kento Kitada
- Department of Pharmacology, Faculty of Medicine, Kagawa University, Japan
| | - Akira Nishiyama
- Department of Pharmacology, Faculty of Medicine, Kagawa University, Japan
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Bagordo D, Rossi GP, Delles C, Wiig H, Rossitto G. Tangram of Sodium and Fluid Balance. Hypertension 2024; 81:490-500. [PMID: 38084591 PMCID: PMC10863667 DOI: 10.1161/hypertensionaha.123.19569] [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] [Indexed: 01/05/2024]
Abstract
Homeostasis of fluid and electrolytes is a tightly controlled physiological process. Failure of this process is a hallmark of hypertension, chronic kidney disease, heart failure, and other acute and chronic diseases. While the kidney remains the major player in the control of whole-body fluid and electrolyte homeostasis, recent discoveries point toward more peripheral mechanisms leading to sodium storage in tissues, such as skin and muscle, and a link between this sodium and a range of diseases, including the conditions above. In this review, we describe multiple facets of sodium and fluid balance from traditional concepts to novel discoveries. We examine the differences between acute disruption of sodium balance and the longer term adaptation in chronic disease, highlighting areas that cannot be explained by a kidney-centric model alone. The theoretical and methodological challenges of more recently proposed models are discussed. We acknowledge the different roles of extracellular and intracellular spaces and propose an integrated model that maintains fluid and electrolyte homeostasis and can be distilled into a few elemental players: the microvasculature, the interstitium, and tissue cells. Understanding their interplay will guide a more precise treatment of conditions characterized by sodium excess, for which primary aldosteronism is presented as a prototype.
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Affiliation(s)
- Domenico Bagordo
- Emergency and Hypertension Unit, Dipartimento di Medicina (DIMED), Università degli Studi di Padova, Italy (D.B., G.P.R., G.R.)
| | - Gian Paolo Rossi
- Emergency and Hypertension Unit, Dipartimento di Medicina (DIMED), Università degli Studi di Padova, Italy (D.B., G.P.R., G.R.)
| | - Christian Delles
- School of Cardiovascular & Metabolic Health, University of Glasgow, United Kingdom (G.R., C.D.)
| | - Helge Wiig
- Department of Biomedicine, University of Bergen, Norway (H.W.)
| | - Giacomo Rossitto
- Emergency and Hypertension Unit, Dipartimento di Medicina (DIMED), Università degli Studi di Padova, Italy (D.B., G.P.R., G.R.)
- School of Cardiovascular & Metabolic Health, University of Glasgow, United Kingdom (G.R., C.D.)
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Vlachovsky SG, Di Ciano LA, Oddo EM, Azurmendi PJ, Silberstein C, Ibarra FR. Role of Female Sex Hormones and Immune Response in Salt-Sensitive Hypertension Development: Evidence from Experimental Models. Curr Hypertens Rep 2023; 25:405-419. [PMID: 37676461 DOI: 10.1007/s11906-023-01257-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2023] [Indexed: 09/08/2023]
Abstract
PURPOSEOF REVIEW Female sex hormones have systemic effects unrelated to their reproductive function. We describe experiences of different research groups and our own, on aspects related to the importance of female sex hormones on blood pressure (BP) regulation and salt-sensitivity-mediated BP response and salt sensitivity without alterations in BP, as well as renal sodium handling and interactions with the immune system. RECENT FINDINGS Changes in sodium intake in normotensive premenopausal women cause more BP variations than in men. After menopause, women often develop arterial hypertension (HT) with a profile of sodium sensitivity. Besides, experimental results have shown that in adult rat models resembling the postmenopausal hormonal state induced by ovariectomy, controlling BP is not enough to avoid renal and other tissue infiltration with immune cells, which does not occur when sodium intake is low or normal. Therefore, excess sodium promotes an inflammatory state with the involvement of immune cells. The evidence of activation of adaptive immunity, besides changes in T cell subpopulations, includes changes in sodium transporters and receptors. More studies are needed to evaluate the particular sodium sensitivity of women and its meaning. Changes in lifestyle and sodium intake reduction are the main therapeutic steps. However, to face the actual burden of salt-sensitive HT in postmenopausal women and its associated inflammatory/immune changes, it seems reasonable to work on immune cell activity by considering the peripheral blood mononuclear cell phenotypes of molecules and transport proteins related to sodium handle, both to screen for and treat cell activation.
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Affiliation(s)
- Sandra G Vlachovsky
- Universidad de Buenos Aires, Instituto de Investigaciones Medicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina
| | - Luis A Di Ciano
- Universidad de Buenos Aires, Instituto de Investigaciones Medicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina
| | - Elisabet M Oddo
- Universidad de Buenos Aires, Instituto de Investigaciones Medicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina
| | - Pablo J Azurmendi
- Universidad de Buenos Aires, Instituto de Investigaciones Medicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina
| | - Claudia Silberstein
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Médicas, Departamento de Ciencias Fisiológicas. Instituto de Fisiología y Biofísica B. Houssay (IFIBIO-Houssay), Laboratorio de Fisiología Renal, Paraguay 2155, piso 4, Buenos Aires, 1121, Argentina.
| | - Fernando R Ibarra
- Universidad de Buenos Aires, Instituto de Investigaciones Medicas A. Lanari, Laboratorio de Nefrología Experimental y Bioquímica Molecular, Combatientes de Malvinas 3150, Buenos Aires, 1427, Argentina.
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigaciones Médicas A. Lanari, Buenos Aires, Argentina.
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Médicas, Departamento de Ciencias Fisiológicas. Instituto de Fisiología y Biofísica B. Houssay (IFIBIO-Houssay), Laboratorio de Fisiología Renal, Paraguay 2155, piso 4, Buenos Aires, 1121, Argentina.
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Bertoldi G, Caputo I, Calò L, Rossitto G. Lymphatic vessels and the renin-angiotensin-system. Am J Physiol Heart Circ Physiol 2023; 325:H837-H855. [PMID: 37565265 DOI: 10.1152/ajpheart.00023.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/12/2023]
Abstract
The lymphatic system is an integral part of the circulatory system and plays an important role in the fluid homeostasis of the human body. Accumulating evidence has recently suggested the involvement of lymphatic dysfunction in the pathogenesis of cardio-reno-vascular (CRV) disease. However, how the sophisticated contractile machinery of lymphatic vessels is modulated and, possibly impaired in CRV disease, remains largely unknown. In particular, little attention has been paid to the effect of the renin-angiotensin-system (RAS) on lymphatics, despite the high concentration of RAS mediators that these tissue-draining vessels are exposed to and the established role of the RAS in the development of classic microvascular dysfunction and overt CRV disease. We herein review recent studies linking RAS to lymphatic function and/or plasticity and further highlight RAS-specific signaling pathways, previously shown to drive adverse arterial remodeling and CRV organ damage that have potential for direct modulation of the lymphatic system.
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Affiliation(s)
- Giovanni Bertoldi
- Emergency and Hypertension Unit, DIMED, Università degli Studi di Padova, Padova, Italy
- Nephrology Unit, DIMED, Università degli Studi di Padova, Padova, Italy
| | - Ilaria Caputo
- Emergency and Hypertension Unit, DIMED, Università degli Studi di Padova, Padova, Italy
| | - Lorenzo Calò
- Nephrology Unit, DIMED, Università degli Studi di Padova, Padova, Italy
| | - Giacomo Rossitto
- Emergency and Hypertension Unit, DIMED, Università degli Studi di Padova, Padova, Italy
- School of Cardiovascular and Metabolic Health, University of Glasgow, Glasgow, United Kingdom
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Mathieu NM, Nakagawa P, Grobe CC, Reho JJ, Brozoski DT, Lu KT, Wackman KK, Ritter ML, Segar JL, Grobe JL, Sigmund CD. ARRB2 (β-Arrestin-2) Deficiency Alters Fluid Homeostasis and Blood Pressure Regulation. Hypertension 2022; 79:2480-2492. [PMID: 36215165 PMCID: PMC9669141 DOI: 10.1161/hypertensionaha.122.19863] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/04/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND GPCRs (G protein-coupled receptors) are implicated in blood pressure (BP) and fluid intake regulation. There is a developing concept that these effects are mediated by both canonical G protein signaling and noncanonical β-arrestin mediated signaling, but the contributions of each remain largely unexplored. Here, we hypothesized that β-arrestin contributes to fluid homeostasis and blood pressure (BP) regulation in deoxycorticosterone acetate (DOCA) salt hypertension, a prototypical model of salt-sensitive hypertension. METHODS Global β-arrestin1 (Arrb1) and β-arrestin2 (Arrb2) knockout mice were employed to evaluate drinking behavior, and BP was evaluated in Arrb2-knockout mice. Age- and sex-matched C57BL/6 mice served as controls. We measured intake of water and different sodium chloride solutions and BP employing a 2-bottle choice paradigm with and without DOCA. RESULTS Without DOCA (baseline), Arrb2-knockout mice exhibited a significant elevation in saline intake with no change in water intake. With DOCA treatment, Arrb2-knockout mice exhibited a significant increase in both saline and water intake. Although Arrb2-knockout mice exhibited hypernatremia at baseline conditions, we did not find significant changes in total body sodium stores or sodium palatability. In a separate cohort, BP was measured via telemetry in Arrb2-knockout and C57BL/6 mice with and without DOCA. Arrb2-knockout did not exhibit significant differences in BP before DOCA treatment when provided water alone, or when provided a choice of water and saline. However, Arrb2-knockout exhibited an increased pressor response to DOCA-salt. CONCLUSIONS These findings suggest that in salt-sensitive hypertension, ARRB2, but not ARRB1 (β-arrestin 1), might counterbalance the canonical signaling of GPCRs.
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Affiliation(s)
- Natalia M Mathieu
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
| | - Pablo Nakagawa
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
- Cardiovascular Center (P.N., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
| | - Connie C Grobe
- Department of Pediatrics (C.C.G., J.L.S.), Medical College of Wisconsin, Milwaukee, WI
| | - John J Reho
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
- Comprehensive Rodent Metabolic Phenotyping Core (J.J.R., J.L.G.), Medical College of Wisconsin, Milwaukee, WI
| | - Daniel T Brozoski
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
| | - Ko-Ting Lu
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
| | - Kelsey K Wackman
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
| | - McKenzie L Ritter
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
| | - Jeffrey L Segar
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
- Cardiovascular Center (P.N., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
- Department of Pediatrics (C.C.G., J.L.S.), Medical College of Wisconsin, Milwaukee, WI
| | - Justin L Grobe
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
- Cardiovascular Center (P.N., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
- Comprehensive Rodent Metabolic Phenotyping Core (J.J.R., J.L.G.), Medical College of Wisconsin, Milwaukee, WI
- Department of Biomedical Engineering (J.L.G.), Medical College of Wisconsin, Milwaukee, WI
| | - Curt D Sigmund
- Department of Physiology, Cardiovascular Center (N.M.M., P.N., J.J.R., D.T.B., K.-T.L., K.K.W., M.L.R., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
- Cardiovascular Center (P.N., J.L.S., J.L.G., C.D.S.), Medical College of Wisconsin, Milwaukee, WI
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