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Short-term swimming up-regulates pro-inflammatory mediators and cytokines in gilthead seabream (Sparus aurata)
Comp Biochem Physiol A Mol Integr Physiol. 2023 Jul 10;284:111487. doi: 10.1016/j.cbpa.2023.111487. Online ahead of print.ABSTRACTAerobic swimming exercise in fish has been shown to improve robustness of some species. However, the optimal conditions to be applied and the mechanisms underlying remain unknown. We investigated the effects of 6 h of induced swimming on the immune response of gilthead seabream (Sparus aurata), by analysing markers related to immune status in plasma, skin mucus, gills, heart and head-kidney. Forty fish were individually exercised in swim tunnels by applying different water currents: steady low (...
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 12, 2023 Category: Physiology Authors: Carlos Esp írito-Santo Francisco A Guardiola Rodrigo O A Oz ório Leonardo J Magnoni Source Type: research

Short-term swimming up-regulates pro-inflammatory mediators and cytokines in gilthead seabream (Sparus aurata)
Comp Biochem Physiol A Mol Integr Physiol. 2023 Jul 10:111487. doi: 10.1016/j.cbpa.2023.111487. Online ahead of print.ABSTRACTAerobic swimming exercise in fish has been shown to improve robustness of some species. However, the optimal conditions to be applied and the mechanisms underlying remain unknown. We investigated the effects of 6 h of induced swimming on the immune response of gilthead seabream (Sparus aurata), by analysing markers related to immune status in plasma, skin mucus, gills, heart and head-kidney. Forty fish were individually exercised in swim tunnels by applying different water currents: steady low (SL, ...
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 12, 2023 Category: Physiology Authors: Carlos Esp írito-Santo Francisco A Guardiola Rodrigo O A Oz ório Leonardo J Magnoni Source Type: research

To the extreme! How biological anthropology can inform exercise physiology in extreme environments
Comp Biochem Physiol A Mol Integr Physiol. 2023 Jul 7:111476. doi: 10.1016/j.cbpa.2023.111476. Online ahead of print.ABSTRACTThe fields of biological anthropology and exercise physiology are closely related and can provide mutually beneficial insights into human performance. These fields often use similar methods and are both interested in how humans function, perform, and respond in extreme environments. However, these two fields have different perspectives, ask different questions, and work within different theoretical frameworks and timescales. Biological anthropologists and exercise physiologists can greatly benefit fr...
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 9, 2023 Category: Physiology Authors: Alexandra Niclou Mallika Sarma Stephanie Levy Cara Ocobock Source Type: research

Evaluation of binding capacity of circulating insulin-like growth factor binding protein-1b in salmonids using a ligand immunofunctional assay
Comp Biochem Physiol A Mol Integr Physiol. 2023 Jul 7:111488. doi: 10.1016/j.cbpa.2023.111488. Online ahead of print.ABSTRACTInsulin-like growth factor-binding proteins (IGFBPs) regulate the activity of insulin-like growth factor (IGF)-1. Among the three major circulating IGFBPs in salmonids, IGFBP-1b is an inhibitor of IGF activity induced under catabolic conditions. IGFBP-1b is considered to quickly sequester IGF-1 from the circulation. However, the level of circulating IGFBP-1b present in its unoccupied free form is unknown. Here, we aimed to develop a non-equilibrium ligand immunofunctional assay (LIFA) to evaluate IGF...
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 9, 2023 Category: Physiology Authors: Momoka Arimoto Ayaka Izutsu Akihiko Hara Munetaka Shimizu Source Type: research

Surface tension in biological systems - a common problem with a variety of solutions
Comp Biochem Physiol A Mol Integr Physiol. 2023 Jul 6:111475. doi: 10.1016/j.cbpa.2023.111475. Online ahead of print.ABSTRACTWater is of fundamental importance to living organisms, not only as a universal solvent to maintain metabolic activity but also due to the effects the physical properties of water have on different organismal structures. In this review, we explore some examples of how living organisms deal with surfaces covered with or in contact with water. While we do not intend to describe all possible forms of interactions in every minute detail, we would like to draw attention to this intriguing interdisciplinar...
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 8, 2023 Category: Physiology Authors: Roseli Soncini Wilfried Klein Source Type: research

Energy status of chironomid larvae (Diptera: Chironomidae) from high alpine rivers (Tyrol, Austria)
Comp Biochem Physiol A Mol Integr Physiol. 2023 Jul 5:111477. doi: 10.1016/j.cbpa.2023.111477. Online ahead of print.ABSTRACTChironomids (non-biting midges) inhabit almost every wet or semi-wet continental environment on Earth with probably 10,000 different species. Species occurrence and composition are undoubtedly limited by environmental harshness and food availability being reflected in their energy stores. Most animals store energy as glycogen and lipid. They enable the animals to survive adverse situations and to continue growth, development, and reproduction. This general statement is also true for insects and also ...
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 7, 2023 Category: Physiology Authors: Martin Dvorak Isabel L Dittmann Veronika Pedrini-Martha Ladislav Hamerlik Peter Bitusik Evzen Stuchlik Daniel Vondr ák Leopold F üreder Reinhard Lackner Source Type: research

Physical performance during energy deficiency in humans: An evolutionary perspective
Comp Biochem Physiol A Mol Integr Physiol. 2023 Jul 3:111473. doi: 10.1016/j.cbpa.2023.111473. Online ahead of print.ABSTRACTEnergy deficiency profoundly disrupts normal endocrinology, metabolism, and physiology, resulting in an orchestrated response for energy preservation. As such, despite energy deficit is typically thought as positive for weight-loss and treatment of cardiometabolic diseases during the current obesity pandemic, in the context of contemporary sports and exercise nutrition, chronic energy deficiency is associated to negative health and athletic performance consequences. However, the evidence of energy de...
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 5, 2023 Category: Physiology Authors: Jos é L Areta Source Type: research

Functional transcriptome reveals hepatopancreatic lipid metabolism during the molting cycle of the Chinese mitten crab Eriocheir sinensis
In conclusion, these results showed that TAG is the major lipid deposition during inter- and pre-molt stages, and the most genes are related to the fatty acids and TAG metabolism in the hepatopancreas during the molting cycle of E. sinensis.PMID:37406959 | DOI:10.1016/j.cbpa.2023.111474 (Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology.)
Source: Comparative Biochemistry and Physiology. Part A, Molecular and integrative physiology. - July 5, 2023 Category: Physiology Authors: Zhi Li Guangbao Zhang Kewu Pan Xingjian Niu Alexander Chong Shu-Chien Ting Chen Xin Zhang Xugan Wu Source Type: research