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Combination of clinical frailty score and myostatin concentrations as mortality predictor in hemodialysis patients.
J Ren Nutr
January 2025
Departments of Nephrology - Dialysis - Transplantation, University of Liege, CHU de Liège, Liège, Belgium; Nephrology, Dialysis, Apheresis Unit, Centre Hospitalier Universitaire Caremeau, Nimes, University of Montpellier, Montpellier, France.
Background And Aims: Frailty is common among hemodialysis (HD) patients. Its assessment is usually based on clinical criteria. In the present work, we evaluated the interest of combining clinical frailty score and biomarkers to predict mortality of chronic HD patients.
View Article and Find Full Text PDFPlacental mitochondrial metabolic adaptation maintains cellular energy balance in pregnancy complicated by gestational hypoxia.
J Physiol
January 2025
Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
The mechanisms that drive placental dysfunction in pregnancies complicated by hypoxia and fetal growth restriction remain poorly understood. Changes to mitochondrial respiration contribute to cellular dysfunction in conditions of hypoxia and have been implicated in the pathoaetiology of pregnancy complications, such as pre-eclampsia. We used bespoke isobaric hypoxic chambers and a combination of functional, molecular and imaging techniques to study cellular metabolism and mitochondrial dynamics in sheep undergoing hypoxic pregnancy.
View Article and Find Full Text PDFInteraction with IGF1 overrides ANXA2-mediated anti-inflammatory functions of IGFBP5 .
Front Immunol
January 2025
Xin'an Medicine Research Center, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu, China.
Background: is a differentially expressed gene (DEG) between M1 and M2 macrophages. This study explained why it causes opposite effects in different circumstances.
Methods: Gene expression profiles of various cell subsets were compared by mining a public database.
Mechanisms of Low Temperature-Induced Growth Hormone Resistance via TRPA1 Channel Activation in Male Nile Tilapia.
Endocrinology
January 2025
Key Laboratory of Bio-resources and Eco-environment of the Ministry of Education, College of Life Sciences, 610065, Sichuan University, Chengdu, P.R. China.
Low temperatures significantly impact growth in ectothermic vertebrates, though the underlying mechanisms remain poorly understood. This study investigates the role of transient receptor potential ankyrin 1 (TRPA1) channels in mediating low temperature effects on growth performance and growth hormone (GH) resistance in Nile tilapia (Oreochromis niloticus). Prolonged exposure to low temperature (16°C for 35 days) impaired growth performance and induced GH resistance, characterized by elevated serum GH levels and decreased insulin-like growth factor-1 (IGF-1) levels.
View Article and Find Full Text PDFOct4, Sox2, Klf4, c-My (OSKM) gene therapy in the hypothalamus prolongs fertility and ovulation in female rats.
Aging (Albany NY)
January 2025
School of Medicine, National University of La Plata (UNLP), La Plata, Argentina.
In middle-aged (MA) female rats, we have demonstrated that intrahypothalamic gene therapy for insulin-like growth factor-I (IGF-I) extends the regular cyclicity of the animals beyond 10 months (the age at which MA rats stop ovulating). Here, we implemented long-term OSKM gene therapy in the hypothalamus of young female rats. The main goal was to extend fertility in the treated animals.
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