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Effect of gender, birthweight and environment temperature on neonatal piglet body temperature Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-02-26 Kalyan De, Nitin M. Attupuram, Souvik Paul, Vivek Kumar Gupta
Neonatal piglets encounter survival challenges owing to immature thermoregulation. Assessing sex, birth weight and environmental temperature of neonatal piglets enables the farmers in adapting cruc...
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Annual variation in the gut microbiota of captive adult spotted seals, Phoca largha Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-02-23 Youlin Liu, Xianggang Gao, Yuqiao Cai, Zhen Wang, Zhiyuan Zhang, Zhichuang Lu, Yankuo Xing, Jun Luo, Zhige Zhang, Hongyue Shi, Yingdong Li, Jiashen Tian
This study monitored monthly variations in the gut microbiota of three captive adult spotted seals from October 2021 to September 2022. Fecal samples were collected regularly, and 16S rRNA sequenci...
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Is there a diurnal variation in 4-km cycling time-trial performance, conducted in an environmental chamber where a standardised approach has been employed? Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-02-18 B.J. Edwards, C. Harris, Z. Jackman, R. Linares-Alcolea, R. Matta, M. Giacomoni, E. Mahon, S.A. Pullinger, J.G. Burniston, D.A. Doran
We investigated the hypothesis that a daily-variation exists for a 4-km time-trial, where a standardised-approach has been employed. Twenty-six male students completed a 30-s Wingate test, a V˙O2 p...
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Nychthemeral rhythm of vaginal temperature in captive red deer (Cervus elaphus) during the spring season recorded via the iButton® Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-04 Alvarez Ramirez Lorenzo
The study aimed to characterize the daily vaginal temperature pattern of captive red deer (Cervus elaphus). Ten adult female red deer received a vaginal implantation of an automatic temperature rec...
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Effect of Ramadan fasting on sleep quality of nursing students in Turkey Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-05 Seçil Gülhan Güner, Özlem Ovayolu, Nimet Ovayolu
This study was conducted to determine the sleep quality of fourth-year nursing at the beginning of (pre)Ramadan and at the end of (post)Ramadan. The study was conducted with controlled design with ...
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Correlation of the biological clock gene PER1 with ferroptosis in nasopharyngeal carcinoma Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-02 Yan Zeng, Ziqi Wang, Feng Jin, Jinhua Long, Yu Chen, Mang Zhang, Hong Tang, Pan Luo, Yongying Ye, Weili Wu
Nasopharyngeal carcinoma (NPC) still recurs or leads to distant metastasis in 10%–30% patients after standardized treatment, which increases the serious toxic side effects and treatment difficulty ...
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Impact of geophysical variables and interactions with human visitors on the activity rhythms of brown-headed spider monkeys (Ateles fusciceps rufiventris) living under human care in Colombia Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Jorge Martinez-Cotrina, Jairo Muñoz-Delgado, Luis Pineda, Mauricio Aponte-Canencio, Juan Carlos Caicedo-Mera, Juan Felipe Torres-Garzón, Martha Lucía Bohórquez-Alonso, Miguel Molina-Borja, Catalina Rodríguez-Álvarez, Leonardo Arias-Bernal, Itzel De Aquino, Andrés Link
The main objective of this study was to evaluate how the rest-activity rhythm of a group of 17 A. fusciceps rufiventris is influenced by such geophysical factors and the presence of human visitors ...
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The role of sleep problems and social jetlag with addiction potential: a cross-sectional study Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Mohammad Niroumand Sarvandani, Tayebeh Mohtashami, Solmaz Talebi, Masoud Asadi, Seyedalireza Ghanbari, Kasra Rahimi, Ali Abbasi, Behzad Garmabi
Modern societies grapple with an escalating prevalence of sleep problems and addiction. This nexus warrants exploration, particularly concerning preventive strategies. Hence, this study endeavors t...
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Dihydromyricetin improves rhythm by anti-oxidative stress damage in sleep deprivation Drosophila Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Ruyi He, Fangyi Wang, Wanwan He, Xiaojie Yu, Jian Wang, Hu Wang, Jiale Yu, Yu Tian, Li Zhao, Zhiguo Liu
Consistently sleeping 5 hours or less per night will increase the development of various health issues. Dihydromyricetin (DHM) could reduce oxidative stress and promote longevity, but its effective...
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Mysteries of the moon: unraveling the connection between lunar cycles and human sleep and physical performance Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Narimen Yousfi, Morteza Jourkesh, Milos Milosevic, Karim Chamari
The moon’s influence on human physiology and behavior has been a topic of interest, with studies exploring its potential impact on sleep and physical activity. However, findings have been fragmente...
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The influencing factors of night sleep time and nap time among older adults in China: a national study Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Damin Sun, Xiyu Chen, Rong Yu, Qiwei Tang, Xiaobing Xian
Numerous studies have confirmed that sleep duration affects physical and mental health. However, limited evidence has been explored regarding the influences associated with nap time and night sleep...
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Seasonal stability of raw bovine milk: a systematic review and meta-analysis Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Lisiane da Silveira Garcia, Arthur Fernandes Bettencourt, Júlia Fernandes Aires, Ines Andretta, Vivian Fischer
Seasonal variations in milk composition are frequently reported and have multifactorial causes. Literature reporting the effects of season on milk thermal stability and milk composition was systema...
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A review on genetic characterization of indigenous cattle breeds Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Soumya Dash, Mamta Choudhary, Rajalaxmi Behera, Arpan Upadhyay, Pusp Raj Shivhre, Rajashree Rath
Indian cattle breeds are diverse and well adapted to 15 different agro-climatic regions. Assessment of genetic diversity and population structure is highly essential for conservation and utilizatio...
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Association of actigraphy-derived circadian phase indicators with the nadir of spindle frequency Biol. Rhythm Res. (IF 1.1) Pub Date : 2024-01-01 Csenge G. Horváth, Róbert Bódizs
The measurement of chronotype and circadian rhythms in polysomnography (PSG) studies is unresolved as no validated PSG markers have been published before. Data suggest that overnight changes in sle...
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Forecasting the transition to sleep through HRV analysis: insights from ARIMA analysis and the concept of critical slowing down Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-12-28 Valeriia Demareva, Valeriia Viakhireva, Irina Zayceva, Inna Isakova, Marina Zhukova, Andrey Demarev, Nikolay Nazarov
Given the divergent findings regarding heart rate variability during drowsiness in studies, we propose utilizing the concept of critical slowing down (CSD) to detect early warning signals (EWS) of ...
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Is uncontrolled hypertension related to sleep quality and circadian rhythm? Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-12-19 Erfan Kazemi, Mahshad Naeim Abadi, Yeganeh Ebrahimnia Shirvani, Golnush Moghbeli, Mostafa Enayatrad, Hossein Sheibani
This study investigated the relationship between sleep quality and circadian rhythm chronotype with uncontrolled hypertension.This cross-sectional study was conducted on 170 patients. Sleep quality...
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Effect of environmental thermal stress on reproductive performance of Holstein cows in Egypt Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-11-22 Abdelrahman A. Kilany, Abdel-Halim A. El-Darawany, Akram A. EL-Tarabany, Khaled M. Al-Marakby
The aim was to investigate effects of ambient temperature-humidity index (THI) on the reproductive indices of 920 Holstein (HO) cows in the subtropics. THI was categorized as low: below 70; moderat...
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Seasonal changes in semen parameters of domestic animals: an overview Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-11-22 Prasanna Pal, Fanny Josan, Sonam Yadav, Sonika Grewal
Seasonal variations in semen parameters play a critical role in the reproductive efficiency and fertility of domestic animals. Factors such as temperature, photoperiod, and humidity directly impact...
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Adaptive changes of physiological functions and their seasonal variations in goats of coastal areas of Sundarban Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-11-22 Tripti Sharma, Joydip Mukherjee, Pradip Kumar Das, Probal Ranjan Ghosh, Kinsuk Das, Syamal Naskar, Santanu Bera, Apratim Maity, Subhasis Batabyal, Dipak Banerjee
The adaptive physiological functions of black Bengal goats (Capra hircus) of coastal regions were compared with goats from the plains during winter, spring, and summer seasons. Goats in the coastal...
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Chronic in vitro thermal stress alters functional response of peripheral blood mononuclear cells of Murrah buffalo Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-11-22 Thangaraju Kavin, Venkatasubramanian Leela, Gopalakrishnan Suganya, Senthilkumar TMA, Kandasamy Rajamanickam
The current study aims to describe the functional changes in Murrah buffalo PBMCs during chronic in-vitro thermal stress. Thus, PBMCs were stimulated at 34°C or 37°C or 40°C for 0 hr, 24 hrs and ...
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The effect of chronotype on chrononutrition and circadian parameters in adults: a cross-sectional study Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-11-22 Gizem Özata Uyar, Hilal Yildiran, Gülay Korkmaz, Gülnur Kiliç, Behiye Nur Kesgin
This study aims to assess the chrononutrition behaviors, circadian parameters, and meal distribution of the dietary intake according to the chronotypes. This study included 362 adults (51.1% female...
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Late chronotypes show lower scores on a combined measure of emotional wellbeing: a study in the general population in Greece Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-11-18 Haim Einat, Vasia Kyrgiakou, Aikaterini Stravoravdi, Yelena Stukalin, Anat Lan, Konstantinos N. Fountoulakis
Chronotypes describe morningness/eveningness preference Society is morning-oriented and late chronotypes suffer and function in hours that are different from their innate preference (social jetlag)...
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Ferroptosis as a biological Phase transition II: Chronotherapy of avascular and vascular tumor growth Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-09-13 H. Suárez, A. Guerra, R. Mansilla, J.M. Nieto-Villar
The process of ferroptosis has become an alternative therapy to fight cancer. As a continuation of previous work, a non-autonomous model was developed for avascular and vascular tumor growth under ...
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Chronotype, binge-eating, and depression: the mediating effect of skipping breakfast Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-09-04 Rola al Balushi, Richard Carciofo
Evening chronotype is associated with more frequent binge-eating, depression, and less frequent breakfast consumption. The current study investigated whether skipping breakfast mediates the relatio...
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Photoperiod affects oxidative stress in the liver of Cricetulus barabensis through the Nrf2-Keap1 signaling pathway Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-08-30 Xing-Chen Wang, Zhe Wang, Chuan-Li Wang, Hui-Liang Xue, Ming Wu, Lei Chen, Chao Fan, Jin-Hui Xu, Lai-Xiang Xu
Changes in photoperiod affect both oxidative stress (OS) levels and antioxidant enzyme activities in animals. The liver accounts for a vital body metabolic organ. Different light durations may prod...
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Darkness at night during the new moon period alters the expression levels of the clock genes in the brain of a moon-related spawner, the Malabar grouper Epinephelus malabaricus Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-08-21 Fumika Yamashina, Yafan Zhu, Yuki Takeuchi, Chihiro Yamauchi, Kodai Fukunaga, Shingo Udagawa, Akihiro Takemura
Some fish in tropical and subtropical waters exhibit moon-related rhythmicity in their reproduction and migration. We investigated the involvement of the subtypes of cryptochrome (mgCry) in moon-re...
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Impact of training-shift change on chronotype and social jetlag: a longitudinal study on dancers Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-08-10 Mariana Marchesano, Natalia Coirolo, Bettina Tassino, Ana Silva
Variations in circadian phase are expected after extreme changes of regular schedules. We took advantage of a real-life model of dance students to address the influence of social pressures on chron...
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Meal timing and melatonin-containing food intake in young people with social jetlag Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-08-09 Artem S. Polugrudov, Sergey V. Popov, Vasily V. Smirnov, Natalya V. Zueva, Mikhail F. Borisenkov
The study examined eating timing, diet, and sleep phases in people with social jetlag (SJL). SJL was associated with a higher incidence rate of eating jetlag, eating phase delays, an increase in ca...
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Repeated low-dose caffeine ingestion during a night of total sleep deprivation improves psychological state without affecting oxidative stress status in young recreational runners Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-08-07 Amir Khcharem, Yosr Chelbi, Lobna Ben Mahmoud, Wajdi Souissi, Liwa Masmoudi, Khaled Mounir Zeghal, Zouheir Sahnoun
ABSTRACT The present study aimed to examine the effects of repeated low-dose caffeine consumption during a night of total sleep deprivation on psychological state and blood levels of oxidative stress markers after an exhaustive endurance exercise. Twelve recreational runners performed four test sessions in a double-blind randomized order following a baseline night (BN) or a night of total sleep deprivation
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Effectiveness of internet-delivered cognitive behavioral therapy for insomnia: a systematic review and meta-analysis Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-08-02 Omid Amani, Mohammad Ali Mazaheri, Mona Malekzadeh Moghani, Fariba Zarani
This systematic review and meta-analysis aimed to assess the effectiveness of internet-delivered cognitive behavioral therapy for insomnia (ICBT-I) in the short and long term. We searched five elec...
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Time of day affects the tolerance distinction of sugarcane varieties to water deficiency through physiological traits Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-07-31 Marcelo de Almeida Silva, Marcela Cristina Brunelli-Nascentes, Hariane Luiz Santos, Carolina Ruv Lemes Gonçalves Mendes, Fernanda Pacheco de Almeida Prado Bortolheiro, Renan Fonseca Nascentes, João Domingos Rodrigues
Water deficiency is one of the most limiting abiotic factors to sugarcane world production (Saccharum spp.). Data on chlorophyll content and gas exchange are used to select genotypes tolerant to wa...
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Relationship between carbon monoxide level and daytime sleepiness in individuals aged 18–45 Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-07-26 Banu Cicek Uvacın, Ogulcan Come, Vildan Mevsim
ABSTRACT Background Excessive daytime sleepiness (EDS) can cause life-threatening accidents, reduced work efficiency, and impairments in psychosocial functions. Objectives This study aimed to investigate the relationship between carbon monoxide (CO) levels in the expiratory air and EDS in individuals aged 18–45 years. Methods A total of 280 patients who met the eligibility criteria were included in
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Histamine-like immunoreactivity in the putative pacemaker of two Cambarellus montezumae generations at different times of day, between females and males Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-07-14 María de la Paz Rodríguez-Muñoz, César Oliver Lara-Figueroa, Cinthia R. Juárez-Tapia, Elsa G. Escamilla-Chimal
In different organisms, histamine (HA) is related to biological rhythms, moderating the circadian rhythm of the neuroendocrine system. Nevertheless, no work has been done on the putative pacemaker ...
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Exploring the consequences of the diurnal preference on auditory spatial and working memory tasks Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-07-14 Rohit Bhattacharyya, Sushmitha S Upadhya, Ritwik Jargar, Nisha Kv
The study aimed to investigate the impact of diurnal preference on auditory spatial and working memory. In the study, 87 participants with normal hearing, aged 19 to 26 y, were classified into morn...
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Assessment of biological rhythm disturbances and emotion recognition in individuals with or without obstructive sleep apnea syndrome: The role of eating patterns Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-07-02 Serkan Aksu, İ̇nan Özdemir, Mahmut Bilal Çaman, Semai Bek, Gülnihal Kutlu
ABSTRACT Although a vast amount of research efforts including a plethora of distinct methodologies have been put forth, the pathophysiology of obstructive sleep apnea syndrome (OSAS) has not been compromised and multidimensional aspects of biological rhythm disruptions has not been evaluated yet. Twenty individuals with severe OSAS and 20 individuals without OSAS were administered. The Biological Rhythm
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Assessment of the association between sleep disturbance and physical performance in adolescent girls Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-06-18 Mohamed Alaeddine Guembri, Ghazi Racil, Mohamed Ali Dhouibi, Yosra Houaneb Marghli, Jérémy Coquart, Chirine Aouichaoui, Nizar Souissi
The relationship of sleep parameters and physical performances was assessed in young female handball players. Under 14 (13.44 ± 0.5 years), and under 17 (16.0 ± 0.8 years). Sleep patterns were eval...
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Development and validation of an implantable sensor for measuring activity and body temperature for long-term studies in small wild and laboratory animals Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-06-14 Dmitry Petrovskii, Evgenii Zavjalov
ABSTRACT In the present study, accelerometer data obtained from a sensor prototype and data obtained from commercial animal-activity recording systems were recorded simultaneously and processed to identify the parameters most fully describing the locomotor activity of laboratory mice. A linear combination of the found parameters explained up to 66% of the variance of activity measured by the PhenoMaster
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Seasonal variation affects biochemical and immunological traits of various rural backyard poultry under tropical climatic conditions of Andaman and Nicobar Islands, India Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-06-14 Neha Halder, Arun Kumar De, S. Vijayakumar, T. Sujatha, Jai Sunder, Debasis Bhattacharya, Siddhartha Narayan Joardar
ABSTRACT The performance and productivity in poultry flocks are affected by climate change, especially in tropical islands. This study has been designed to understand the impact of two major seasons viz. summer (February-June) and rainy (July-September) on biochemical and immunological traits in three backyard poultry breeds viz. Desi (non-descript indigenous), Nicobari Fowl, and Vanaraja of Andaman
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A systematic review and meta-analysis on the levels of brain-derived neurotrophic factor in insomnia patients with and without comorbid depression Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-06-07 Ebrahim Norouzi, Reza Mohammadi, Reza Fadaei, Mohammad-Taher Moradi, Hossein Hosseini, Leeba Rezaie, Habibolah Khazaie
ABSTRACT Brain-derived neurotrophic factor (BDNF) plays a crucial role in brain function and sleep regulation. This systematic review and meta-analysis aimed at evidence exclusively from case-control studies examining the BDNF levels among patients with insomnia and people without insomnia. Five e-databases were searched for relevant case-control studies until October 2022. From 1034 records, 7 case-control
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Relationships between circadian preference and diurnal training times of Slovak Men’s Volleyball League Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-05-10 Pavol Pivovarnicek, Jaroslav Popelka, Dusan Tadeas Plaskur, Efrem Kentiba, Mikulas Hank
ABSTRACT The aim of study was to identify the relationships between the circadian preference and diurnal training times of elite volleyball players (n = 78). The Morningness-Eveningness Questionnaire (MEQ) was used to identify circadian preference, resulting in a point score. Diurnal training times were divided: morning training time (MTT), intermediate training time (ITT) and evening training time
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Circadian variation in hematotoxicity of the antineoplastic agent “5 Fluorouracil (5 FU)” in female rats and its relevance to chronotherapy Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-05-03 Inès Bouali, Ichrak Dridi, Wafa Gadacha, Karim Aouam, Mohsen Hassine, Safia El-Bok, Naceur Boughattas, Mossadok Ben-Attia, Sonia Zaeid, Abdelaziz Souli
ABSTRACT 5-Fluorouracil (5-FU) is an antineoplastic drug. Although 5-FU is effective in targeting cancer cells, it also affects healthy cells, which can lead to clear haematological toxicity. The present study aimed to determine whether the haematological toxicity of 5-FU varies over a 24-hour period. Female rats were synchronised to a 12/12 light-dark (L/D) cycle. Rats were injected with 300 mg/kg
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College students became more morning in the second year of the COVID-19 pandemic: impacts on sleep, mood, sunlight exposure and physical activity Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-04-25 Mírian Celly Medeiros Miranda David, Nataly Ferreira dos Santos, Gilberto Ramos Vieira, Marina Souza Barbosa de Mattos, Lívia Maria de Lima Leôncio, Poliana da Silva Pereira, Nathalia Aguiar Dantas, Matheus da Silva Barreto, Clécia Gabriela Bezerra, Letycia dos Santos Neves, Daniel Moura Silva, Rhowena Jane Barbosa de Matos
ABSTRACT The aim of the study was to evaluate the sleep, sunlight exposure, chronotype, mood and physical activity of college students in two consecutive years during the COVID-19 pandemic (Brazilian Clinical Trials Registry: RBR-4m5j4s). The students (n = 318) answered questionnaires in two moments (2020 - time 1 and 2021 – time 2). The data showed that there was less sunlight exposure and a chronotype
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Nutrition status and diet quality in healthcare professionals with different chronotypes: a comparative study Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-04-24 Sedat Arslan, Nursel Sahin, Ramazan Mert Atan, Kevser Tari Selçuk
ABSTRACT This study aimed to examine the nutritional status of healthcare professionals with different chronotypes and to determine their diet quality. Of the health care professionals (n = 204), 10.3% were morning chronotype (n = 21), 14.2% were evening chronotype (n = 29) and 75.5% were intermediate chronotype profiles (n = 154). Daily carbohydrate intake was significantly higher in the evening chronotype
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Does Ramadan intermittent fasting affect the intraday variations of cognitive and high-intensity short-term maximal performances in young female handball players? Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-04-05 Houda Bougrine, Moncef Cherif, Hamdi Chtourou, Nizar Souissi
ABSTRACT This study aimed to analyze the effect of Ramadan fasting (RF) on the morning-afternoon differences of cognitive and short-term maximal performances. . Fifteen young female handball players completed the attention (AT), simple reaction time (SRT), squat jump (SJ), Illinois agility (IAT) and 5-m shuttle run (5mSRT, to assess total (TD) and peak (PD) distances) tests at 08h00 and 1800 during
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The daily locomotor activity profile of Zebrafish Danio rerio is affected when exposed to polluted water from Lerma River (Guanajuato, Mexico) Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-04-04 Sánchez-López Blanca Estela, Muñoz-Torres Carolina, Miranda-Anaya Manuel
ABSTRACT Environmental pollution is a threat to circadian rhythms of behaviour and physiology of organisms. The daily rhythm of swimming activity in zebrafish Danio rerio was studied to evaluate the toxicity of water from Lerma River, in Mexico, as it passed through the city of Salamanca, Guanajuato. Swimming activity along 3 days of acute exposure to polluted water, and then, the activity of the enzyme
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Temporal dynamics of subjective sleepiness: A convergence analysis of two scales Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-03-23 Valeriia Demareva, Valeriia Viakhireva, Irina Zayceva, Inna Isakova, Yana Okhrimchuk, Karina Zueva, Andrey Demarev, Nikolay Nazarov, Julia Edeleva
ABSTRACT While sleepiness assessment metrics were initially developed in medical research, subjective sleepiness assessment is now widely used in both fundamental and applied studies. The Stanford Sleepiness Scale (SSS) and the Karolinska Sleepiness Scale (KSS) are often considered the gold standard in sleepiness research. However, their convergence and specific features have not been sufficiently
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Diel modifications in the oral and anal microflora of the Pygoscelis papua Penguins Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-03-06 Zhongren Kong, Tingyu Wei, Baozhan Liu, Yanqiu Li, Yufei Wang, Zhi Ma, Jiashen Tian, Yingdong Li
ABSTRACT The mouths and anuses of Penguins house complex microflora, which play important roles in growth and development. In this study, 6,391,065 sequences were detected from the oral and anal microflora of gentoo (Pygoscelis papua) penguins, with Firmicutes and Proteobacteria dominating the oral and anus samples from female gentoo penguins, respectively, while in males, Proteobacteria dominated
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A new approach to chronotype measurement - the Polish version of the Single Item Chronotyping (SIC) tool Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-02-09 Katarzyna Nowakowska-Domagała, Małgorzata Juraś-Darowny, Tadeusz Pietras, Kasper Sipowicz, Patryk Stecz, Łukasz Mokros
ABSTRACT The aim of the study is to validate the Polish version of the Single Item Chronotyping (SIC) tool, and thus confirm the relevance of Putilov’s six chronotypes. The SIC was used as an instrument intended to identify patterns of changes in alertness occurring throughout the day. The external validity of the SIC was confirmed by comparison to the Composite Scale of Morningness (CSM) scores, midsleep
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Heat index based identification of critical heat stress zone for production traits in murrah Buffalo under subtropical climate Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-01-29 Rajalaxmi Behera, Atish Kumar Chakravarty, Neeraj Kashyap, Adhikari Sahu, Bharti Deshmukh, Soumya Dash
ABSTRACT Novel study on identification of critical heat stress zone (CHSZ) taking 20 years data was carried out in Indian buffaloes considering the effect of temperature humidity index-THI on milk production and composition traits. More than 3 lakh daily milk yield records (DMY); 9864 records each of monthly test day fat% (MTDF%) and SNF% (MTDSNF%) and meteorological data were collected from ICAR-NDRI
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Relationship between chronotypes, personality traits, and phubbing levels in university students Biol. Rhythm Res. (IF 1.1) Pub Date : 2023-01-20 Havva Sert, Yasin Üngören, Meryem Pelin, Mehmet Barış Horzum
ABSTRACT Excessive or abusive use of smartphones, which is related to personality traits, has led to the emergence of phubbing, which is becoming a very widespread problem. Excessive use of smartphones also affects sleep patterns. In this context, the concept of chronotype, which is closely related to sleep, becomes prominent. Therefore, the present study aims to examine the relationship between chronotypes
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Copro-ELISA-based prevalence and risk determinants of giardiasis in cattle and sheep populations raised by socio-economically deprived urban nomadic communities located in and around Multan, Punjab-Pakistan Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-12-14 Mian Muhammad Awais, Hafiz Ihsan-Ul-Haq, Masood Akhtar, Muhammad Irfan Anwar, Abdul Sammad Ali Khan Shirwany, Abdul Razzaq, Muhammad Sibtain Bhatti
ABSTRACT This study reports the copro-prevalence of giardiasis in sheep and cattle populations of nomadic communities in Multan-Pakistan. For this purpose, a total of 184 faecal samples were collected from cattle (n = 92) and sheep (n = 92) raised by the nomads. All samples were analyzed by using species-specific ELISA kits for the detection of copro-antigen of Giardia duodenalis. Results showed that
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The fat burning ability of melatonin during submaximal exercise Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-12-12 Amine Souissi, Ghazwa Ben Maaouia, Ismail Dergaa, Amine Ghram, Helmi Ben Saad
ABSTRACT The regulation of the balance between glucose and lipid use during exercise has gained increasing attention in the last decades. The contribution of fat and glucose to energy expenditure can be modulated by hormones and other endogenous factors. The increase in melatonin during exercise may be linked to an enhancement in lipid utilization, reflected by an increase in triglyceride concentration
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The relationship between light exposure and bedtime/wake-up time during school days, holidays and long-stay camp period in Japanese children Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-11-28 Yuji Minatoya, Akiko Shikano, Kosuke Tanabe, Shingo Noi
ABSTRACT This study aimed to clarify the situation of light exposure and examine the relationship between light exposure and bedtime/wake-up time during school days (SD), holidays (HD), and a long-stay camp period (CP) in Japanese children. After data cleaning, the final subjects were 29 children (10.2 ± 1.2 years old, 25 boys and 4 girls) who participated in paid long-term camp programs in the summers
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LIGHT POLLUTION: a systematic review about the impacts of artificial light on human health Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-11-28 Marli Do Carmo Cupertino, Bianca Thiengo Guimarães, José Flávio Giardini Pimenta, Leonardo Victor Lima Dutra Almeida, Lorran Nunes Santana, Thalia Azevedo Ribeiro, Yuri Nunes Santana
ABSTRACT As industry and economy progress, human exposure to artificial light increases. Thus, the aim was to analyze the scientific evidence about the light pollution effect on human health, focusing on the main human pathologies and the types of polluting lights. A systematic review was carried out following the PRISMA guidelines, searching for original articles in the PubMed/Medline, Scielo and
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Prospect and scope of artificial neural network in livestock farming: a review Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-10-31 Mokidur Rahman, Ajoy Mandal, Indrajit Gayari, Kangabam Bidyalaxmi, Debajyoti Sarkar, Teja Allu, Asish Debbarma
ABSTRACT Early prediction of livestock productivity in any livestock enterprise provides valuable information to adopt strategic farm management for economic and profitable livestock production. Therefore, researchers developed and implemented different mathematical tools to establish the accuracy of prediction. However, due to the complexity of data sets and high-order non-linearity among the individuals
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Monitoring sleep in real-world conditions using low-cost technology tools Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-10-12 Hassan Shama, Nahum Gabinet, Orna Tzischinsky, Boris Portnov
ABSTRACT Monitoring sleep in real-world conditions requires bespoke equipment, e.g., Actigraphs or similar. However, such equipment is relatively expensive and not always available for large-scale field research. This study tests the possibility that sleep in real-world conditions can be monitored, sufficiently accurately, by tandems of commonly used smartphones (SP) and smartwatches (SW). 10 adult
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Evaporative cooling in late gestation heat-stressed transition Murrah buffaloes improves milk production through hormone-metabolite interaction Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-10-05 Ovais Aarif, Anjali Aggarwal, Aasif Ahmad Sheikh
ABSTRACT Animals adapt to stress by hormone-metabolite interaction. This is necessary to protect animal health status and subsequent milk production. To investigate this, sixteen healthy late-gestation dry Murrah buffaloes were selected and divided into two groups of eight animals each. One group of buffaloes (Cooled/CL) was managed under fan and mist cooling system during dry period. Another group
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Does the metabolic and behavior daily variation pattern on rams differ in summer and winter? Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-09-29 L Pinto-Santini, R Pérez-Clariget, R Ungerfeld
ABSTRACT This study aimed to compare the daily variation pattern of testosterone, cortisol, insulin, total blood protein, albumin concentration, glycemia, activity pattern, and surface temperature in 10 Corriedale rams during the breeding (BS) and the non-breeding (NBS) seasons. The surface temperature had a greater mesor but a lower amplitude (P < 0.001), and its’ acrophase was later during the BS
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Influences of the diurnal cycle on gut microbiota in the Chinese swamp shrimp (Neocaridina denticulata) Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-07-29 Heng Zhang, Yingdong Li, Qing Liu
ABSTRACT The circadian rhythm is an essential environmental factor affecting several physiological activities in organisms, including crustaceans. However, daily variations in the gut bacterial community composition of crustaceans remain poorly understood. This study aimed to elucidate variations in the gut bacterial community composition of the Chinese swamp shrimp Neocaridina denticulata with the
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Translation, validation, and reliability of the Malay version chrononutrition profile-questionnaire (CPQ-M) in Malaysian adult populations Biol. Rhythm Res. (IF 1.1) Pub Date : 2022-07-26 Guey Yong Chong, Satvinder Kaur, Ruzita Abd. Talib, See Ling Loy, Woan Yie Siah, Hui Yin Tan, Sarjit Singh Harjit Singh, Rosmiza Binti Abdullah, Hanisah Binti Mahmud, Ying Hui Lee, Hui Chin Koo
ABSTRACT Several observations have shown that meal timing and dietary components – chrononutrition – may contribute to the onset of several chronic diseases. It is vital to have a reliable questionnaire specifically for the population to assess the general chrononutrition behaviour. Thus, this study aimed to translate, validate, and test the reliability of the chrononutrition profile questionnaire