Review
Physiology
Lucas de Jesus Alves Ribeiro, Victor Hugo do Vale Bastos, Marcelo Coertjens
Summary: This study investigates the relationship between cortical activity and the regulation of bulbar respiratory centers during respiratory challenges. The results suggest that a protocol of successive apneas triggers an increase in maximum apnea time, making it a potential model for studying cortical activity during respiratory distress.
EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY
(2023)
Review
Physiology
Dar'ya Sas, Fanny Gaudel, Dorly Verdier, Arlette Kolta
Summary: The topic of this review is the emergence of ectopic firing in muscle spindle afferents (MSAs) and its potential role in pathological pain. The review highlights the mechanisms underlying the generation of ectopic firing, such as oscillations supported by a persistent sodium current and regulation of extracellular Ca2+ by astrocytes. The review also discusses the possible cross-talk between MSAs and nociceptors in the periphery.
EXPERIMENTAL PHYSIOLOGY
(2023)
Article
Physiology
Andreas Brandl, Jan Wilke, Christoph Egner, Tobias Schmidt, Andreas Schilder, Robert Schleip
Summary: This study aimed to analyze the pain origin of delayed onset muscle soreness (DOMS) in the lower back. The findings revealed that the sensory characteristics of DOMS were similar to electrical stimulation but significantly different from muscle pain, suggesting that DOMS may have a fascial rather than muscular origin.
PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY
(2023)
Article
Biology
Rachel Faulkner, Teresa Rangel, Rebecca A. Penders, Trisha Saul, Ross Bindler, Lindsey Miller, Marian Wilson
Summary: The impact of preferred chronotype and shift mismatch on nutritional intake and metabolic disease risk among acute care nurses is uncertain. This study found that eveningness nurses had markers of metabolic syndrome and consumed more calories. Mismatched nurses consumed more calories, but this finding was not statistically significant. Further research with larger samples is needed.
CHRONOBIOLOGY INTERNATIONAL
(2023)
Article
Physiology
Ramzi A. Al-Horani, Khaled M. Alsays, Osama Abo Alrob
Summary: The study shows that obesity hinders improvements in insulin sensitivity and attenuates strength gains through resistance training. It suggests that additional strategies, such as caloric restriction, may be needed for improving insulin sensitivity in individuals with obesity.
EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY
(2023)
Article
Neurosciences
Hirotaka Iijima, Fabrisia Ambrosio, Yusuke Matsui
Summary: This study used a network medicine paradigm to compare the transcriptomic response of aged muscle to exercise and immobilization, and explored the molecular cascade regulating fat accumulation. The findings suggest that the Pgc-1 alpha -mitochondrial fatty acid oxidation axis is a shared mechanism by which physical activity regulates age-related myosteatosis.
JOURNAL OF PHYSIOLOGY-LONDON
(2023)
Article
Biology
Miguel F. Perea, Estefania A. Fernandez, Juan P. Garzon, Cornelio A. Rosales, Hugo Hernandez-Fonseca, Daniel A. Perdomo, Fernando P. Perea
Summary: The lunar cycle affects various reproductive and productive traits in guinea pigs, such as litter size, mortality, number of pups weaned, and individual and litter weaning weights. This valuable information may have practical applications in the management of guinea pig production systems.
CHRONOBIOLOGY INTERNATIONAL
(2023)
Article
Nutrition & Dietetics
Sarah Kocel, Laura E. Carter, Marlis Atkins
Summary: This study explores the potential perceptions, feelings, and opinions of families regarding pediatric nutrition screening during hospital admission. The findings show that nutrition screening may raise sensitive emotions and a lack of understanding of the purpose and questions of the screening. The acceptance of nutrition screening could be limited by the timing and approach.
APPLIED PHYSIOLOGY NUTRITION AND METABOLISM
(2023)
Article
Biology
Sudha Raman, Philip Hyland, Andrew N. Coogan
Summary: The early phase of the COVID-19 pandemic led to significant changes in sleep/wake timing, which persisted into the second year of the pandemic. The study highlights the key roles of working practices and other social factors in shaping social jetlag.
CHRONOBIOLOGY INTERNATIONAL
(2023)
Article
Psychology, Biological
Ting-Yu Lin, Hao-Chien Cheng, Yi-Luen Tsai, Hung-Wen Liu, Tsung-Min Hung
Summary: This study investigates the effects of acute resistance exercise on cognitive performance, addressing previous methodological limitations and finding that it improves congruent reaction time but is not associated with changes in plasma epinephrine levels.
Article
Behavioral Sciences
Brittney L. Boublil, Chao Yu, Grant Shewmaker, Susanne Sterbing, Cynthia F. Moss
Summary: This study found that the microscopic hairs on the wing membranes of bats are involved in airflow sensing for flight control and provide mechanosensory feedback for prey capture and flight.
JOURNAL OF COMPARATIVE PHYSIOLOGY A-NEUROETHOLOGY SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY
(2023)
Article
Neurosciences
Yang Guo, Delfine Cheng, Ze-Yan Yu, Teresa Schiatti, Andrea Y. Chan, Adam P. Hill, Remi Peyronnet, Michael P. Feneley, Charles D. Cox, Boris Martinac
Summary: The TRPM4 and Piezo1 channels play important roles in cardiac hypertrophy. This study used an in vitro model to investigate the effect of Piezo1-TRPM4 coupling on cardiac action potential frequency. The results show that Piezo1 activation influences action potential frequency, and this influence is regulated by TRPM4. This study provides in vitro evidence of a functional coupling between Piezo1 and TRPM4 in a cardiomyocyte-like cell line. The coupling of a mechanosensitive Ca2+ permeable channel and a Ca2+-activated TRP channel may have a ubiquitous role in mechanosensory transduction.
JOURNAL OF PHYSIOLOGY-LONDON
(2023)
Review
Physiology
Yiangos Psaras, Christopher N. Toepfer
Summary: Skeletal myopathies and ataxias with secondary cardiac involvement are complex and progressive diseases. As life expectancy increases, it is necessary to develop targeted therapies to address the evolving cardiac pathologies.
EXPERIMENTAL PHYSIOLOGY
(2023)
Article
Nutrition & Dietetics
Carolina Venegas Hargous, Liliana Orellana, Claudia Strugnell, Camila Corvalan, Steven Allender, Colin Bell
Summary: This study advances methods for measuring adherence to sustainable healthy diets among children and adolescents and shows the effectiveness of the adapted index through comparisons and associations with diet characteristics in a sample of Chilean children.
INTERNATIONAL JOURNAL OF BEHAVIORAL NUTRITION AND PHYSICAL ACTIVITY
(2023)
Article
Nutrition & Dietetics
Inis Auclair Mangliar, Anne-Sophie Plante, Myriam Chabot, Claudia Savard, Simone Lemieux, Andreanne Michaud, S. John Weisnagel, Felix Camirand Lemyre, Alain Veilleux, Anne-Sophie Morisset
Summary: Further research is needed to understand the hormonal regulation of food intake during pregnancy and its relationship with energy intake. This study found differences in GLP-1 and appetite sensation responses between trimesters, but few associations were observed between GLP-1, appetite sensations, and usual energy intake.
APPLIED PHYSIOLOGY NUTRITION AND METABOLISM
(2023)
Article
Pharmacology & Pharmacy
Yirong Wang, Shuyun Qing, Jing Yang, Dehui Qian
Summary: This study revealed that LPS inhibits gluconeogenesis and induces hypoglycemia through the MEK/ERK/Foxo1 signaling pathway, and an ERK inhibitor can reverse this process effectively. These findings provide a novel therapeutic target for LPS-induced hypoglycemia.
CANADIAN JOURNAL OF PHYSIOLOGY AND PHARMACOLOGY
(2023)
Article
Nutrition & Dietetics
James D. House, Andre Brodkorb, Mark Messina, Michelle Braun, Elaine S. Krul
Summary: In Canada and the United States, data supporting the quality of protein is required for front-of-package protein content claims. However, the current method of measuring protein quality through animal testing is inconsistent with global efforts to reduce animal usage for regulatory purposes. This article presents four alternative options to replace animal testing for determining protein quality and encourages regulatory agencies to consider these approaches for substantiating protein content claims, especially for plant-based foods.
APPLIED PHYSIOLOGY NUTRITION AND METABOLISM
(2023)
Article
Physiology
Jessica Roskosch, Uyen Huynh-Do, Stefan Rudloff
Summary: The article introduces a novel method for isolating nephron segments, using low-cost fluorophore-conjugated lectins or agglutinins (Flaggs) combined with flow sorting. This method allows for the simultaneous separation of different nephron segments with preserved 3D morphology from mouse or human samples in a short time. The method is simple, straightforward, cost-effective, and widely applicable, providing high amounts of pure and morphologically intact renal tubule materials for nephron segment-specific research.
PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY
(2023)
Article
Physiology
Alessandro Fornasiero, Simone Fornoni, Alexa Callovini, Beatrice Todesco, Aldo Savoldelli, Federico Schena, Hans-Christer Holmberg, Barbara Pellegrini, Lorenzo Bortolan
Summary: This study examined the contribution of uphill sections, transitions, and final descent to overall finishing time in ski mountaineering sprint competitions. The results showed that uphill and transition times were closely correlated with finishing time, with uphill explaining a significant portion of the variation. The study also found that top-ranked skiers performed better on uphill sections, while those eliminated showed a tendency for decline. These insights are valuable for training for the 2026 Winter Olympics.
INTERNATIONAL JOURNAL OF SPORTS PHYSIOLOGY AND PERFORMANCE
(2023)
Article
Biophysics
Alberto Boretti
Summary: Excess mortality attributed to cold weather is significantly higher than that linked to hot weather, highlighting the greater health risks and vulnerabilities associated with cold weather.
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY
(2023)
