Discover, rate, and discuss biology preprints.
363,000+ bioRxiv and medRxiv preprints, including those later published in peer-reviewed journals, across 26 biological disciplines.
Recent preprints
- PhysiologybioRxivPreprint
Hypothalamic hormone deficiency enables physiological anorexia
S. M. Mohr, R. D. Pra, M. P. Platt…·E. O. Gracheva
This study shows that thyroid hormone deficiency causes anorexia during hibernation in ground squirrels by inhibiting hypothalamic feeding center sensitivity to hunger signals.
DOI 10.1101/2023.03.15.532843 - PhysiologybioRxivPreprint
Early-adult methionine restriction reduces methionine sulfoxide and extends lifespan in Drosophila
H. Kosakamoto, F. Obata, J. Kuraishi…·M. Miura
This study shows that methionine restriction during early adulthood extends lifespan in Drosophila by reducing oxidatively-damaged methionine through MsrA induction.
DOI 10.1101/2023.03.15.532514 - PhysiologybioRxivPreprint
Gestational exposure to unmethylated CpG oligonucleotides dysregulates placental molecular clock network and fetoplacental growth dynamics, and disrupts maternal blood pressure circadian rhythms in rats
DOI 10.1101/2023.03.14.532649 - PhysiologybioRxivPreprint
Can a Simple Phenomenological Model Explain the Mechanics of Eccentric Contractions?
This study tests a simple phenomenological muscle model to predict eccentric contraction mechanics, finding preliminary support for its potential.
DOI 10.1101/2023.03.12.532315 - PhysiologybioRxiv
ATF4 Expression in Thermogenic Adipocytes is Required for Cold-Induced Thermogenesis in Mice via FGF21-Independent Mechanisms
S. H. Bjorkman, A. Marti, J. Jena…·R. O. Pereira
This study shows ATF4 is essential for cold-induced thermogenesis in mice through amino acid metabolism, independent of FGF21, while FGF21 is not required for thermoregulation.
DOI 10.1038/s41598-024-52004-8 - PhysiologybioRxiv
Sodium channel subpopulations with distinct biophysical properties and subcellular localization enhance cardiac conduction
This study uses computational models to show that distinct sodium channel subpopulations with different biophysical properties and locations affect cardiac conduction speed and robustness.
DOI 10.1085/jgp.202313382 - PhysiologybioRxivPreprint
Sub-clinical triiodothyronine levels predict health, demographic, and socioeconomic outcomes
R. I. Lawton, B. L. Sabatini, D. R. Hochbaum
This study shows sub-clinical variations in free T3 levels are linked to health, demographic, and socioeconomic outcomes, suggesting T3 is a key factor connecting biology and socio-economic factors.
DOI 10.1101/2023.03.09.531775 - PhysiologybioRxivPreprint
Abnormal enteric nervous system and motor activity in the ganglionic proximal bowel of Hirschsprung's disease
B. S. Edwards, E. Stiglitz, B. M. Davis, K. M. Smith-Edwards
This study identifies abnormal ENS activity in HSCR mouse models, linking it to post-surgical motor dysfunction and suggesting functional ENS defects beyond aganglionosis.
DOI 10.1101/2023.03.08.531750 - PhysiologybioRxiv
Endothelial Histone Deacetylase 1 Activity Impairs Kidney Microvascular NO Signaling in Rats Fed a High Salt Diet
L. S. Dunaway, A. K. Cook, D. Botta…·J. S. Pollock
This study shows high salt diet impairs kidney microvascular NO signaling in rats through endothelial HDAC1 activation mediated by a humoral factor.
DOI 10.1111/apha.14201 - PhysiologybioRxivPreprint
LRRC8A anion channels modulate vasodilation via association with Myosin Phosphatase Rho Interacting Protein (MPRIP)
H. Choi, M. R. Miller, H.-N. Nguyen…·F. S. Lamb
This study shows LRRC8A anion channels interact with MPRIP to regulate vascular relaxation and inflammation through redox-dependent cytoskeletal changes.
DOI 10.1101/2023.03.08.531807 - PhysiologybioRxiv
MicroCT-Based Imaging of Microvasculature in Bone and Peri-Implant Tissues
D. Haberthür, O.-Z. Khoma, T. Hoessly…·R. Hlushchuk
This study uses contrast-enhanced microCT to visualize vasculature in bone and peri-implant tissues across animal models, demonstrating dual-energy imaging for distinguishing bone from contrast agents.
- PhysiologybioRxivPreprint
Destabilization of neuromuscular junctions and deregulation of activity-dependent signalling pathways in Myotonic Dystrophy type I
D. Falcetta, S. Quirim, I. Cocchiararo…·P. Castets
This study investigates NMJ destabilization and activity-dependent signaling deregulation in DM1 mouse models, identifying CaMKII and HDAC4 as key factors in synaptic gene expression and muscle dysfunction.
DOI 10.1101/2023.03.08.531688 - PhysiologybioRxivPreprint
MK2 deficiency decreases mortality during the inflammatory phase after myocardial infarction in mice
J. Trepanier, S. A. Nawaito, P. Sahadevan…·B. G. Allen
This study shows MK2 deficiency reduces mortality and alters cytokine levels during the inflammatory phase after myocardial infarction in mice.
DOI 10.1101/2023.03.06.531384 - PhysiologyJournal of Experimental BiologyPeer-reviewed
Evolutionary trade-offs in osmotic and ionic regulation and the expression of gill ion transporter genes in high latitude, Neotropical cold clime crabs from the 'end of the world'
J. C. McNamara, A. C. Maraschi, F. Tapella, M. C. Romero
This study compares osmoregulatory strategies and gill ion transporter gene expression in two Sub-Antarctic crabs, revealing interspecific differences in salinity tolerance and gene regulation.
DOI 10.1242/jeb.244129 - PhysiologybioRxiv
BMP signaling to pharyngeal muscle in the C. elegans response to a bacterial pathogen regulates anti-microbial peptide expression and pharyngeal pumping
E. J. Ciccarelli, M. Bendelstein, K. K. Yamamoto…·C. Savage-Dunn
This study shows that BMP signaling in the pharynx of C. elegans coordinates anti-microbial peptide expression and pharyngeal pumping to enhance survival against bacterial pathogens.
DOI 10.1091/mbc.e23-05-0185 - PhysiologybioRxivPreprint
Vitamin D signaling orchestrates skeletal muscle metabolic flexibility by regulating its fuel choice.
A. Das, N. Jawla, S. D. Gopinath, G. A. Arimbasseri
This study shows that vitamin D signaling regulates skeletal muscle fuel choice, affecting metabolic flexibility and insulin response to different diets.
DOI 10.1101/2023.03.05.531218 - PhysiologybioRxiv
ATP1A1-linked diseases require a malfunctioning protein product from one allele
K. Spontarelli, V. C. Young, R. Sweazey…·P. Artigas
The paper investigates whether haploinsufficiency from protein-null ATP1A1 variants causes disease, finding that Atp1a1+/- mice are phenotypically normal and a human with a null variant shows no disease features.
- PhysiologybioRxiv
Subjective sleep onset latency is influenced by sleep structure and body heat loss in human subjects
R. Iijima, A. Kadooka, K. Sugawara…·S. Aritake-Okada
The paper investigates how subjective sleep onset latency relates to sleep structure, body heat loss, and temperature changes in healthy adults, finding that heat dissipation before sleep significantly predicts perceived sleep latency.
DOI 10.1111/jsr.14122 - PhysiologybioRxivPreprint
Vascular Smooth Muscle Cell Mechanotransduction Through Serum and Glucocorticoid Inducible Kinase-1 Promotes Interleukin-6 Production and Macrophage Accumulation in Murine Hypertension
M. Figueroa, S. Hall, V. Mattia…·J. M. Ruddy
This study shows that SGK-1 in vascular smooth muscle cells promotes IL-6 and macrophage accumulation in hypertension via mechanotransduction and AngII signaling.
DOI 10.1101/2023.03.03.530966