[Snoring noise removal method for bowel sound signal during sleep]. DOI

Guojing Wang,

Weidong Wang, Hongyun Liu

et al.

PubMed, Journal Year: 2024, Volume and Issue: 41(2), P. 288 - 294

Published: April 25, 2024

Monitoring of bowel sounds is an important method to assess motility during sleep, but it seriously affected by snoring noise. In this paper, the complete ensemble empirical mode decomposition with adaptive noise (CEEMDAN) was applied remove from sleep. Specifically, noisy were first band-pass filtered, then decomposed CEEMDAN method, and finally appropriate components selected reconstruct pure sounds. The results semi-simulated real data showed that better than wavelet denoising method. used which lays foundation for using intestinal

Language: Английский

Genome-wide association in Drosophila identifies a role for Piezo and Proc-R in sleep latency DOI Creative Commons

Matthew N Eiman,

Shailesh Kumar, Yazmin L. Serrano Negron

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Jan. 2, 2024

Abstract Sleep latency, the amount of time that it takes an individual to fall asleep, is a key indicator sleep need. latency varies considerably both among and within species heritable, but lacks comprehensive description its underlying genetic network. Here we conduct genome-wide association study latency. Using previously collected activity data on wild-derived population flies, calculate confirming significant, heritable variation for this complex trait. We identify 520 polymorphisms in 248 genes contributing variability Tests mutations 23 candidate additional putative pan-neuronal knockdown 9 them implicated CG44153 , Piezo Proc-R Rbp6 Two large-effect were further confirmed via rescue. This work greatly enhances our understanding factors influence

Language: Английский

Citations

2

Use-dependent, untapped dual kinase signaling localized in brain learning circuitry DOI
James C. Sears, Kendal Broadie

Journal of Neuroscience, Journal Year: 2024, Volume and Issue: unknown, P. e1126232024 - e1126232024

Published: Jan. 24, 2024

Imaging brain learning and memory circuit kinase signaling is a monumental challenge. The s eparation of p hases-based ctivity r eporter k inase (SPARK) biosensors allow circuit-localized studies multiple interactive kinases in vivo , including protein A (PKA) extracellular signal-regulated (ERK) signaling. In the precisely-mapped Drosophila learning/memory circuit, we find PKA ERK differentially enriched distinct Kenyon cell connectivity nodes. We discover that potentiating normal activity induces signaling, expanding function within new presynaptic postsynaptic domains. Activity-induced shows extensive overlap with previously selective nodes, while activity-induced arises targeted synaptic transmission blockade cells elevates induction normally high baseline suggesting lateral feedback inhibition. overexpression pathway-linking Meng-Po (human SBK1) serine/threonine to improve acquisition consolidation results dramatically heightened separable revealing both synchronized untapped potential. Finally, mechanically-induced epileptic seizure model ( easily shocked “bang-sensitive” mutants) has strongly elevated, Both sexes were used all experiments, except for hemizygous male-only model. Hyperexcitable, learning-enhanced, models have comparably elevated common basis use-dependent induction. conclude modulation locally coordinated spatial dynamics underlying susceptibility linked Significance Statement Critical act circuits enable experience-dependent plasticity. This work images elucidate circuit-level organization relative mapped different exhibit domains, which reorganized by levels. newest kinase, Meng-Po/SBK1, co-regulates Targeted over-expression Meng-Po/SBK1 improves memory, indicating potential may enhance capabilities learn remember. Linked similarly increases circuitry, trade-off benefit instability. mechanistically connects hyperexcitation via

Language: Английский

Citations

2

A brain-derived insulin signal encodes protein satiety for nutrient-specific feeding inhibition DOI Creative Commons
Xiaoyu Li, Yang Yang,

Xiaobing Bai

et al.

Cell Reports, Journal Year: 2024, Volume and Issue: 43(6), P. 114282 - 114282

Published: May 24, 2024

The suppressive effect of insulin on food intake has been documented for decades. However, whether signals can encode a certain type nutrients to regulate nutrient-specific feeding behavior remains elusive. Here, we show that in female Drosophila, pair dopaminergic neurons, tritocerebrum 1-dopaminergic neurons (T1-DANs), are directly activated by protein-intake-induced signal from insulin-producing cells (IPCs). Intriguingly, opto-activating IPCs elicits inhibition both protein and sugar, while silencing T1-DANs blocks this only food. Elevating signaling or these is sufficient mimic satiety. Furthermore, conveyed local the protocerebral bridge (PB-LNs) specifically suppresses intake. Therefore, our findings reveal brain-derived encodes satiety manner, shedding light functional specificity brain regulating behaviors.

Language: Английский

Citations

2

Integration of Gut Microbiota, Serum Metabolomic, and Network Pharmacology to Reveal the Anti Insomnia Mechanism of Mongolian Medicine Sugemule-4 Decoction on Insomnia Model Rats DOI Creative Commons
Lina Du, Dezhi Yang, Lan Wu

et al.

Drug Design Development and Therapy, Journal Year: 2024, Volume and Issue: Volume 18, P. 2617 - 2639

Published: June 1, 2024

Objective: To explored the potential molecular mechanism of Sugemule-4 decoction (MMS-4D) in treating insomnia. Methods: DL -4-chlorophenylalanine (PCPA) + chronic unpredictable mild stress stimulation (CUMS) was used to induce an insomnia model rats. After successfully established, MMS-4D intervened at low, medium, and high doses for 7 days. The open-field test (OFT) preliminarily evaluate efficacy. investigated using gut microbiota, serum metabolomics, network pharmacology (NP). Experimental validation main components key pathways carried out ELISA Western blot. Results: weights insomnia-model rats were significantly raised ( p ≤ 0.05), total exercise distance OFT increased rest time shortened, number standing times after treatment with MMS-4D. Moreover, there a substantial recovery 5-HT, DA, GABA, Glu levels hypothalamus tissue 5-HT GABA colon expression DAT DRD1 proteins hippocampus reduced drug treatment. may treat by regulating different crucial including -, DA Glu-mediated neuroactive light receiver interaction, cAMP signaling pathway, serotonergic, glutamatergic, dopaminergic, GABAergic synapses. Conclusion: This study revealed that can improve general state behavioral changes Its be related reversal abnormal mediated Glu, such as Serotonergic synapse, Dopaminergic Glutamatergic synapse. Keywords: Mongolian medicine sugemule-4 decoction, insomnia, pharmacology,

Language: Английский

Citations

2

A homeostatic gut-to-brain insulin antagonist restrains neuronally stimulated fat loss DOI Creative Commons
Chung‐Chih Liu, Ayub Khan, Nicolas Seban

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Aug. 11, 2024

In C. elegans mechanisms by which peripheral organs relay internal state information to the nervous system remain unknown, although strong evidence suggests that such signals do exist. Here we report discovery of a peptide ancestral insulin superfamily called INS-7 functions as an enteroendocrine and is secreted from specialized cells intestine. secretion stimulated food withdrawal, increases during fasting acts bona fide gut-to-brain attenuates release neuropeptide drives fat loss in periphery. Thus, homeostatic signal intestine gates neuronal drive stimulate shortage. Mechanistically, antagonist at canonical DAF-2 receptor via FOXO AMPK signaling ASI neurons. Phylogenetic analysis bears greater resemblance members broad insulin/relaxin than conventional mammalian IGF peptides. The endogenous intestinal with unexpected important properties its role directing functions.

Language: Английский

Citations

2

Mating reconciles fitness and fecundity by switching diet preference in flies DOI Creative Commons
C F Liu,

Ning Tian,

P. W. Chang

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Nov. 15, 2024

Protein-rich diets shorten lifespan but increase fecundity in many organisms. Animals actively adjust their feeding behavior to meet nutritional requirements. However, the neural mechanisms underlying dynamic regulation of protein consumption remain unclear. Here we find that both sexes fruit flies exhibit a preference for food before mating prepare reproduction. Mated female display an increased appetite yeast benefit offspring, albeit at cost stress resistance and lifespan. In contrast, males show momentarily reduced after likely restore fitness. This state-dependent switch between is mediated by sexually dimorphic circuit labeled with leucokinin anterior brain. Furthermore, intermittent benefits males, while maximizing without compromising are known enhance often reduce across various species. Here, authors demonstrate undergo sex-specific post-mating dietary shift balances overall fitness, regulated leucokinin-labeled circuits.

Language: Английский

Citations

2

Exposure to a more unhealthy diet impacts sleep microstructure during normal sleep and recovery sleep: A randomized trial DOI Creative Commons
Luiz Eduardo Mateus Brandão, Alexandru Popa,

Erasmus Cedernaes

et al.

Obesity, Journal Year: 2023, Volume and Issue: 31(7), P. 1755 - 1766

Published: May 28, 2023

Abstract Objective Although intake of specific macronutrients has been associated with sleep parameters, interventional evidence is lacking. Therefore, this randomized trial was conducted to examine how a more unhealthy high‐fat/high‐sugar (HFHS) diet impacts in humans. Methods In crossover study, 15 healthy young men consumed two isocaloric diets random order for week: an HFHS and low‐fat/low‐sugar diet. Following each diet, in‐lab recorded using polysomnography during full night recovery after extended wakefulness. Sleep duration, macrostructure, microstructure (oscillatory pattern slow waves) were investigated machine learning‐based algorithms. Results duration did not differ across the based on actigraphy polysomnography. macrostructure similar 1 week Compared consumption resulted reduced delta power, beta ratio, wave amplitude but increased alpha theta power deep sleep. During sleep, oscillatory changes observed. Conclusions Short‐term alters features that regulate restorative properties Whether such can mediate adverse health outcomes unhealthier warrants investigation.

Language: Английский

Citations

6

Sleep: An Overlooked Lifestyle Factor in Disorders of Gut-Brain Interaction DOI Creative Commons
Rabia Topan, S. Mark Scott

Current Treatment Options in Gastroenterology, Journal Year: 2023, Volume and Issue: 21(4), P. 435 - 446

Published: Oct. 9, 2023

Abstract Purpose of review This outlines the relationship between sleep and GI tract in health, before appraising association disease, namely disorders gut-brain interaction (DGBI). We aim to explore whether disturbance exacerbates DGBI symptoms or vice versa, summarise evidence for pharmacological psychological treatment options. Recent findings Sleep are more common patients with irritable bowel syndrome (IBS) compared healthy subjects, a pooled prevalence 37.6%. Sufficient exists support use melatonin ameliorate overall IBS symptom severity improve quality life. Summary DGBIs stress-sensitive simple lifestyle advice is recognised as first-line management. Sleep, cornerstone management, appears be forgotten factor. (both duration quality) has been associated DGBI, IBS; however, further studies required determine options targeted at can lead improvement.

Language: Английский

Citations

4

Functional characterization of CCHamides and deorphanization of their receptors in the yellow fever mosquito, Aedes aegypti DOI Creative Commons
Jinghan Tan, Susanne Neupert, Jean-Paul V. Paluzzi

et al.

General and Comparative Endocrinology, Journal Year: 2024, Volume and Issue: unknown, P. 114618 - 114618

Published: Oct. 1, 2024

Language: Английский

Citations

1

Truffle protein and its derived peptides exhibit sleep-promoting effects via regulation of lysosomal autophagy, neurological activity, tyrosine metabolism, and fatty acid elongation DOI
Yujing Li,

Yuxuan Liang,

Chunxiu Peng

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 281, P. 136476 - 136476

Published: Oct. 10, 2024

Language: Английский

Citations

1