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Harvey-Carroll J, Stevenson TJ, Bussière LF, Spencer KA. Pre-natal exposure to glucocorticoids causes changes in developmental circadian clock gene expression and post-natal behaviour in the Japanese quail. Horm Behav 2024; 163:105562. [PMID: 38810363 DOI: 10.1016/j.yhbeh.2024.105562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 05/11/2024] [Accepted: 05/13/2024] [Indexed: 05/31/2024]
Abstract
The embryonic environment is critical in shaping developmental trajectories and consequently post-natal phenotypes. Exposure to elevated stress hormones during this developmental stage is known to alter a variety of post-natal phenotypic traits, and it has been suggested that pre-natal stress can have long term effects on the circadian rhythm of glucocorticoid hormone production. Despite the importance of the circadian system, the potential impact of developmental glucocorticoid exposure on circadian clock genes, has not yet been fully explored. Here, we showed that pre-natal exposure to corticosterone (CORT, a key glucocorticoid) resulted in a significant upregulation of two key hypothalamic circadian clock genes during the embryonic period in the Japanese quail (Coturnix japonica). Altered expression was still present 10 days into post-natal life for both genes, but then disappeared by post-natal day 28. At post-natal day 28, however, diel rhythms of eating and resting were influenced by exposure to pre-natal CORT. Males exposed to pre-natal CORT featured an earlier acrophase, alongside spending a higher proportion of time feeding. Females exposed to pre-natal CORT featured a less pronounced shift in acrophase and spent less time eating. Both males and females exposed to pre-natal CORT spent less time inactive during the day. Pre-natal CORT males appeared to feature a delay in peak activity levels. Our novel data suggest that these circadian clock genes and aspects of diurnal behaviours are highly susceptible to glucocorticoid disruption during embryonic development, and these effects are persistent across developmental stages, at least into early post-natal life.
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Affiliation(s)
- Jessica Harvey-Carroll
- School of Psychology and Neuroscience, University of St Andrews, Scotland; Department of Biological and Environmental Sciences & Gothenburg Global Biodiversity Centre, University of Gothenburg, Sweden.
| | - Tyler J Stevenson
- Institute of Biodiversity, Animal Health & Comparative Medicine, University of Glasgow, United Kingdom of Great Britain and Northern Ireland
| | - Luc F Bussière
- Department of Biological and Environmental Sciences & Gothenburg Global Biodiversity Centre, University of Gothenburg, Sweden
| | - Karen A Spencer
- School of Psychology and Neuroscience, University of St Andrews, Scotland
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Harvey-Carroll J, Stevenson TJ, Spencer KA. Maternal developmental history alters transfer of circadian clock genes to offspring in Japanese quail (Coturnix japonica). J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2024; 210:399-413. [PMID: 37589732 PMCID: PMC11106187 DOI: 10.1007/s00359-023-01666-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/25/2023] [Accepted: 08/02/2023] [Indexed: 08/18/2023]
Abstract
Maternal signals shape embryonic development, and in turn post-natal phenotypes. RNA deposition is one such method of maternal signalling and circadian rhythms are one trait thought to be maternally inherited, through this mechanism. These maternal circadian gene transcripts aid development of a functioning circadian system. There is increasing evidence that maternal signals can be modified, depending on prevailing environmental conditions to optimise offspring fitness. However, currently, it is unknown if maternal circadian gene transcripts, and consequently early embryonic gene transcription, are altered by maternal developmental conditions. Here, using avian mothers who experienced either pre-natal corticosterone exposure, and/or post-natal stress as juveniles we were able to determine the effects of the timing of stress on downstream circadian RNA deposition in offspring. We demonstrated that maternal developmental history does indeed affect transfer of offspring circadian genes, but the timing of stress was important. Avian mothers who experienced stress during the first 2 weeks of post-natal life increased maternally deposited transcript levels of two core circadian clock genes, BMAL1 and PER2. These differences in transcript levels were transient and disappeared at the point of embryonic genome transcription. Pre-natal maternal stress alone was found to elicit delayed changes in circadian gene expression. After activation of the embryonic genome, both BMAL1 and PER2 expression were significantly decreased. If both pre-natal and post-natal stress occurred, then initial maternal transcript levels of BMAL1 were significantly increased. Taken together, these results suggest that developmental stress differentially produces persistent transgenerational effects on offspring circadian genes.
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Affiliation(s)
- Jessica Harvey-Carroll
- School of Psychology and Neuroscience, University of St Andrews, South Street, St Andrews, KY16 9JP, UK.
- Department of Biological and Environmental Sciences, University of Gothenburg, Medicinaregatan 18A, 413 90, Gothenburg, Sweden.
| | - Tyler J Stevenson
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, G36 1QH, UK
| | - Karen A Spencer
- School of Psychology and Neuroscience, University of St Andrews, South Street, St Andrews, KY16 9JP, UK
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Tan Z, Sun J, Liu X, Liu J, Wang S. Interactions between color and intensity of LED light on growth performance, serum biochemical profile, immune response variable, and nutrient apparent utilization in broiler chicken. Anim Sci J 2022; 93:e13717. [PMID: 35445771 DOI: 10.1111/asj.13717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 02/24/2022] [Accepted: 03/04/2022] [Indexed: 11/01/2022]
Abstract
This study investigated the effects of light-emitting diode (LED) color and intensity of broilers. One-day-old Cobb-500 broilers (n = 648) were fed nine groups with six replicates; three light colors (white, blue, & green) and intensities (for 1 to 7 days, viz., 20, 40, and 60 lx; for 8 to 42 days, viz., 5, 10, and 15 lx) were applied. Test lasted for 42 days. Results indicated that compared with blue light, 60-lx white light for 1 to 7 days increased the average daily gain (ADG) and average daily feed intake (ADFI) of broilers (p < 0.01). In the 10-lx light groups, the levels of interleukin-2 (IL-2) and the concentrations of albumin (ALB) (p < 0.05) increased. Moreover, the nutrient apparent utilization for ether extract (EE) under 10-lx green light was higher than that under 15-lx blue light (p < 0.01). The interaction effects of light intensity and light color had an extremely significant influence on the ADG for 1 to 7 days, IL-2 level, ALB content, and EE apparent utilization rate (p < 0.01) and had a significant influence on the ADFI and F/G for 1 to 7 days (p < 0.05). The production performance of broilers reared in three-layer cage could be improved by using 60-lx white LED light for 1 to 7 days and 5- to 10-lx green LED light or 10-lx white LED light for 8 to 42 days.
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Affiliation(s)
- Zichao Tan
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
| | - Jinling Sun
- College of Science and Information, Qingdao Agricultural University, Qingdao, China
| | - Xiaodong Liu
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Jie Liu
- College of Science and Information, Qingdao Agricultural University, Qingdao, China
| | - Shubai Wang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, China
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Gloux A, Duclos MJ, Brionne A, Bourin M, Nys Y, Réhault-Godbert S. Integrative analysis of transcriptomic data related to the liver of laying hens: from physiological basics to newly identified functions. BMC Genomics 2019; 20:821. [PMID: 31699050 PMCID: PMC6839265 DOI: 10.1186/s12864-019-6185-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 10/15/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND At sexual maturity, the liver of laying hens undergoes many metabolic changes to support vitellogenesis. In published transcriptomic approaches, hundreds of genes were reported to be overexpressed in laying hens and functional gene annotation using gene ontology tools have essentially revealed an enrichment in lipid and protein metabolisms. We reanalyzed some data from a previously published article comparing 38-week old versus 10-week old hens to give a more integrative view of the functions stimulated in the liver at sexual maturity and to move beyond current physiological knowledge. Functions were defined based on information available in Uniprot database and published literature. RESULTS Of the 516 genes previously shown to be overexpressed in the liver of laying hens, 475 were intracellular (1.23-50.72 fold changes), while only 36 were predicted to be secreted (1.35-66.93 fold changes) and 5 had no related information on their cellular location. Besides lipogenesis and protein metabolism, we demonstrated that the liver of laying hens overexpresses several clock genes (which supports the circadian control of liver metabolic functions) and was likely to be involved in a liver/brain/liver circuit (neurotransmitter transport), in thyroid and steroid hormones metabolisms. Many genes were associated with anatomical structure development, organ homeostasis but also regulation of blood pressure. As expected, several secreted proteins are incorporated in yolky follicles but we also evidenced that some proteins are likely participating in fertilization (ZP1, MFGE8, LINC00954, OVOCH1) and in thyroid hormone maturation (CPQ). We also proposed that secreted proteins (PHOSPHO1, FGF23, BMP7 but also vitamin-binding proteins) may contribute to the development of peripheral organs including the formation of medullar bones to provide labile calcium for eggshell formation. Thirteen genes are uniquely found in chicken/bird but not in human species, which strengthens that some of these genes may be specifically related to avian reproduction. CONCLUSIONS This study gives additional hypotheses on some molecular actors and mechanisms that are involved in basic physiological function of the liver at sexual maturity of hen. It also revealed some additional functions that accompany reproductive capacities of laying hens, and that are usually underestimated when using classical gene ontology approaches.
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Affiliation(s)
- Audrey Gloux
- BOA, INRA, Université de Tours, 37380, Nouzilly, France.
| | | | | | - Marie Bourin
- Institut Technique de l'Aviculture (ITAVI), Centre INRA Val de Loire, F-37380, Nouzilly, France
| | - Yves Nys
- BOA, INRA, Université de Tours, 37380, Nouzilly, France
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Effect of melatonin on monochromatic light-induced changes in clock gene circadian expression in the chick liver. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2019; 197:111537. [PMID: 31247384 DOI: 10.1016/j.jphotobiol.2019.111537] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 06/14/2019] [Accepted: 06/18/2019] [Indexed: 12/21/2022]
Abstract
Light is the most prominent zeitgeber of the circadian system, which contains central and peripheral oscillators. Our previous studies found that light wavelength could influence the rhythms of melatonin synthesis and clock gene expression in the central oscillator of chicks. However, the effect of monochromatic light on the peripheral oscillator and the role of melatonin have yet to be clarified. In this study, 216 newly hatched chicks were divided into three groups (intact, sham operation and pinealectomy) and were raised under white (WL), red (RL), green (GL) or blue (BL) light for 14 days. Their plasma and livers were sampled at 6 time points with 4-h intervals. Plasma melatonin concentration and liver clock gene expression (cClock, cBmal1, cBmal2, cCry1, cCry2, cPer2, cPer3) were measured for circadian rhythm analysis. In intact and sham operation chicks under WL, all liver clock genes showed circadian expression along with oscillations in plasma melatonin. However, positive clock genes peaked at subjective night along with melatonin, while negative clock genes peaked at subjective day or the shifting time of day-night. Chick exposure to monochromatic light led to an unaltered circadian rhythmicity in plasma melatonin and liver clock genes; however, their rhythmic parameters were notably influenced. Compared to WL, GL enhanced the mesor and amplitude of melatonin and all kinds of clock genes, whereas RL had the opposite effect. Pinealectomy significantly decreased expression of liver clock genes, which was consistent with the reduction in plasma melatonin concentration, especially for the GL group, and resulted in the expression of liver clock genes showing low-mesor and low-amplitude oscillations as well as no statistically significant differences among the monochromatic light groups. Thus, we speculated that melatonin plays a key role in the effects of light wavelength on clock gene rhythm in the chick liver.
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The effect of different wavelengths of light during incubation on the development of rhythmic pineal melatonin biosynthesis in chick embryos. Animal 2019; 13:1635-1640. [PMID: 30614433 DOI: 10.1017/s1751731118003695] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Rhythmic pineal melatonin biosynthesis develops in chick embryos incubated under a light (L)-dark (D) cycle of polychromatic white light. The spectral sensitivity of the embryonic pineal gland is not known and was investigated in this study. Broiler breeder eggs (Ross 308, n=450) were incubated under white, red, green or blue light under the 12L : 12D cycle. Melatonin was measured in extracts of pineal glands by radioimmunoassay. The daily rhythm of pineal melatonin levels in 20-day-old chick embryos was confirmed during the final stages of embryonic life under all four wavelengths of light with expected higher concentrations during dark- than light-times. The highest pineal melatonin levels were determined in chick embryos incubated under red and white light and lower levels under green light. The incubation under blue light resulted in the lowest melatonin biosynthesis. Pineal melatonin concentrations increased substantially on post-hatching day two compared with pre-hatching levels and we did not find differences between birds incubated and kept in either white or green light. Our results demonstrate a selective sensitivity of the chick embryo pineal gland to different wavelengths of light. Rhythmic melatonin production is suggested as a possible mechanism, which transfers information about the quality of ambient light to the developing avian embryo.
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Honda K, Kondo M, Hiramoto D, Saneyasu T, Kamisoyama H. Effects of continuous white light and 12h white-12h blue light-cycles on the expression of clock genes in diencephalon, liver, and skeletal muscle in chicks. Comp Biochem Physiol A Mol Integr Physiol 2017; 207:73-78. [PMID: 28238833 DOI: 10.1016/j.cbpa.2017.02.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 01/29/2017] [Accepted: 02/19/2017] [Indexed: 11/27/2022]
Abstract
The core circadian clock mechanism relies on a feedback loop comprised of clock genes, such as the brain and muscle Arnt-like 1 (Bmal1), chriptochrome 1 (Cry1), and period 3 (Per3). Exposure to the light-dark cycle synchronizes the master circadian clock in the brain, and which then synchronizes circadian clocks in peripheral tissues. Birds have long been used as a model for the investigation of circadian rhythm in human neurobiology. In the present study, we examined the effects of continuous light and the combination of white and blue light on the expression of clock genes (Bmal1, Cry1, and Per3) in the central and peripheral tissues in chicks. Seventy two day-old male chicks were weighed, allocated to three groups and maintained under three light schedules: 12h white light-12h dark-cycles group (control); 24h white light group (WW group); 12h white light-12h blue light-cycles group (WB group). The mRNA levels of clock genes in the diencephalon were significantly different between the control and WW groups. On the other hand, the alteration in the mRNA levels of clock genes was similar between the control and WB groups. Similar phenomena were observed in the liver and skeletal muscle (biceps femoris). These results suggest that 12h white-12h blue light-cycles did not disrupt the circadian rhythm of clock gene expression in chicks.
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Affiliation(s)
- Kazuhisa Honda
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan.
| | - Makoto Kondo
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
| | - Daichi Hiramoto
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
| | - Takaoki Saneyasu
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
| | - Hiroshi Kamisoyama
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
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Turkowska E, Pietruszka D, Skwarlo-Sonta K. Thymic E4bp4 gene transcription is up-regulated in the chicken during experimental peritonitis modified by the season-related lighting conditions. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2016; 65:309-313. [PMID: 27502572 DOI: 10.1016/j.dci.2016.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 08/04/2016] [Accepted: 08/04/2016] [Indexed: 06/06/2023]
Abstract
Immunity, like other vertebrate processes, undergoes the diurnal and seasonal rhythmicity generated and synchronized by the endogenous clock. In the present study a transcription of the selected clock genes was evaluated in the chicken thymus to verify its supposed role as a peripheral clock and to check its relation with the seasonality of immune function. Chickens kept from hatch in the season-related lighting conditions (LD 16:8 in summer vs 8:16 in winter) and in a controlled temperature were exposed to the experimental peritonitis elicited by i.p. thioglycollate injection. Previously described seasonality of the inflammatory response has been confirmed and the diurnal rhythms of a core clock gene Per3 and its repressor E4bp4 in the thymus has been evidenced. E4bp4 transcription was up-regulated in inflamed chickens while that of Per3 appeared independent of the locally induced inflammation. Our results suggest an interconnecting role of E4BP4 between molecular clock and immunity in the chicken.
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Affiliation(s)
- Elzbieta Turkowska
- Department of Animal Physiology, Institute of Zoology, Faculty of Biology, University of Warsaw, ul. Miecznikowa 1, 02-096 Warsaw, Poland.
| | - Dominika Pietruszka
- Department of Animal Physiology, Institute of Zoology, Faculty of Biology, University of Warsaw, ul. Miecznikowa 1, 02-096 Warsaw, Poland
| | - Krystyna Skwarlo-Sonta
- Department of Animal Physiology, Institute of Zoology, Faculty of Biology, University of Warsaw, ul. Miecznikowa 1, 02-096 Warsaw, Poland
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Gonçalves L, Vinhas M, Pereira R, Pais De Azevedo T, Bajanca F, Palmeirim I. Circadian clock genes Bmal1 and Clock during early chick development. Dev Dyn 2012; 241:1365-73. [DOI: 10.1002/dvdy.23821] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Zeman M, Herichová I. Circadian melatonin production develops faster in birds than in mammals. Gen Comp Endocrinol 2011; 172:23-30. [PMID: 21199656 DOI: 10.1016/j.ygcen.2010.12.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2010] [Accepted: 12/24/2010] [Indexed: 11/17/2022]
Abstract
The development of circadian rhythmicity of melatonin biosynthesis in the pineal gland starts during embryonic period in birds while it is delayed to the postnatal life in mammals. Daily rhythms of melatonin in isolated pinealocytes and in intact pineal glands under in vivo conditions were demonstrated during the last third of embryonic development in chick embryos, with higher levels during the dark (D) than during the light (L) phase. In addition to the LD cycle, rhythmic temperature changes with the amplitude of 4.5°C can entrain rhythmic melatonin biosynthesis in chick embryos, with higher concentrations found during the low-temperature phase (33.0 vs 37.5°C). Molecular clockwork starts to operate during the embryonic life in birds in line with the early development of melatonin rhythmicity. Expression of per2 and cry genes is rhythmic at least at day 16 and 18, respectively, and the circadian system operates in a mature-like manner soon after hatching. Rhythmic oscillations are detected earlier in the central oscillator (the pineal gland) than in the peripheral structures, reflecting the synchronization of individual cells which is necessary for detection of the rhythm. The early development of the circadian system in birds reflects an absence of rhythmic maternal melatonin which in mammals synchronizes physiological processes of offspring. Developmental consequences of modified development of circadian system for its stability later in development are not known and should be studied.
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Affiliation(s)
- Michal Zeman
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovak Republic.
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