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Hypertension
January 2025
Department of Nephrology, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Germany (S.A.P., I.Q., D. Arifaj, M.K., D. Argov, L.C.R., J.S.).
Background: Ciliary neurotrophic factor (CNTF), mainly known for its neuroprotective properties, belongs to the IL-6 (interleukin-6) cytokine family. In contrast to IL-6, the effects of CNTF on the vasculature have not been explored. Here, we examined the role of CNTF in AngII (angiotensin II)-induced hypertension.
View Article and Find Full Text PDFbioRxiv
December 2024
Laboratorio de Genética e Cardiologia Molecular, Faculdade de Medicina, Instituto do Coração (InCor), Hospital das Clínicas HCFMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.
Dipeptidyl peptidase 4 (DPP4) is a transmembrane serine exopeptidase abundantly expressed in the kidneys, predominantly in the proximal tubule (PT); however, its non-enzymatic functions in this nephron segment remain poorly understood. While DPP4 physically associates with the Na/H exchanger isoform 3 (NHE3) and its inhibitors exert natriuretic effects, the DPP4 role in blood pressure (BP) regulation remains controversial. This study investigated the effects of PT-specific deletion ( ) and global deletion ( ) on systolic blood pressure (SBP), natriuresis, and NHE3 regulation under baseline and angiotensin II (Ang II)-stimulated conditions in both male and female mice.
View Article and Find Full Text PDFAm J Physiol Regul Integr Comp Physiol
February 2025
Department of Surgery, Medical School, University of Minnesota, Minneapolis, Minnesota, United States.
The organum vasculosum of the lamina terminalis (OVLT) is a forebrain circumventricular organ that modulates central autonomic control of arterial pressure and body fluid homeostasis. It has been implicated in the pathogenesis of rat models of hypertension that are driven by increased salt intake since OVLT lesion (OVLTx) attenuates both the DOCA-salt and angiotensin II-salt models. However, its contribution to the development of hypertension that is not salt-dependent, such as the 2 kidney, 1 clip (2K1C) renovascular model, is not clear.
View Article and Find Full Text PDFJ Physiol
January 2025
Division of Renal Medicine, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.
Chronic kidney disease (CKD) is characterized by overactivation of the sympathetic nervous system (SNS) that leads to increased risk of cardiovascular disease. This study was conducted to evaluate the effects of a Mindfulness-Based Stress Reduction (MBSR) programme on SNS activity in CKD patients. Participants with CKD stages III-IV were randomized to the 8 week MBSR programme or Health Enhancement Program (HEP; a structurally parallel, active control group).
View Article and Find Full Text PDFCardiorenal Med
September 2024
Division of Nephrology, Hypertension, and Renal Transplantation, University of Florida, Gainesville, Florida, USA.
Introduction: There is limited evidence as to the effect of sex on the outcomes of patients admitted for ST-elevation myocardial infarction (STEMI) who have a concomitant diagnosis of chronic kidney disease (CKD) and end-stage renal disease (ESRD). We aimed to determine if there are differences in the outcomes between males and females in these patient populations.
Methods: Data were obtained from the National Inpatient Sample database and patients were selected using the International Classification of Diseases, Ninth and Tenth Revision (ICD-9 and -10) codes.
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