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  1. Article ; Online: Mid-Point of the Active Phase Is Better to Achieve the Natriuretic Effect of Acute Salt Load in Mice.

    Imamura, Momoko / Sasaki, Hiroyuki / Hayashi, Katsuki / Shibata, Shigenobu

    Nutrients

    2023  Volume 15, Issue 7

    Abstract: Excess sodium intake and insufficient potassium intake are a prominent global issue because of their influence on high blood pressure. Supplementation of potassium induces kaliuresis and natriuresis, which partially explains its antihypertensive effect. ... ...

    Abstract Excess sodium intake and insufficient potassium intake are a prominent global issue because of their influence on high blood pressure. Supplementation of potassium induces kaliuresis and natriuresis, which partially explains its antihypertensive effect. Balancing of minerals takes place in the kidney and is controlled by the circadian clock; in fact, various renal functions exhibit circadian rhythms. In our previous research, higher intake of potassium at lunch time was negatively associated with blood pressure, suggesting the importance of timing for sodium and potassium intake. However, the effects of intake timing on urinary excretion remain unclear. In this study, we investigated the effect of 24 h urinary sodium and potassium excretion after acute sodium and potassium load with different timings in mice. Compared to other timings, the middle of the active phase resulted in higher urinary sodium and potassium excretion. In
    MeSH term(s) Mice ; Animals ; Sodium Chloride, Dietary/pharmacology ; Natriuretic Agents/pharmacology ; Sodium/urine ; Hypertension ; Sodium Chloride/pharmacology ; Potassium/urine ; Blood Pressure
    Chemical Substances Sodium Chloride, Dietary ; Natriuretic Agents ; Sodium (9NEZ333N27) ; Sodium Chloride (451W47IQ8X) ; Potassium (RWP5GA015D)
    Language English
    Publishing date 2023-03-30
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2518386-2
    ISSN 2072-6643 ; 2072-6643
    ISSN (online) 2072-6643
    ISSN 2072-6643
    DOI 10.3390/nu15071679
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Effect of breakfast protein intake on muscle mass and strength in adults: a scoping review.

    Khaing, Inn-Kynn / Tahara, Yu / Chimed-Ochir, Odgerel / Shibata, Shigenobu / Kubo, Tatsuhiko

    Nutrition reviews

    2024  

    Abstract: Background: The distribution of protein intake throughout the day is frequently skewed, with breakfast having the lowest protein intake across all age groups. There is no review that addresses the association between breakfast protein intake and muscle ... ...

    Abstract Background: The distribution of protein intake throughout the day is frequently skewed, with breakfast having the lowest protein intake across all age groups. There is no review that addresses the association between breakfast protein intake and muscle mass and strength.
    Objective: This scoping review aims to summarize the literature on the relationship between protein intake during breakfast and muscle mass and strength in adults.
    Methods: This review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews. Two independent reviewers screened and appraised the articles identified from 3 electronic databases (Medline, Web of Science, and Scopus) that focused on protein intake per meal and its impact on muscle-related outcomes.
    Results: A total of 14 763 articles were retrieved from 3 databases, and after the screening process, 15 articles were included for analysis. Approximately 58.8% of findings from 11 studies examining the association between high protein intake during breakfast and muscle mass indicated an increase in muscle mass among participants. Half of 6 studies (50.0%) exploring the relationship between high protein intake at breakfast and muscle strength demonstrated an increase in muscle strength. Consuming high amounts of protein at breakfast or more protein in the morning than in the evening was associated with an increase in the skeletal muscle index and lean body mass.
    Conclusion: Protein consumption at breakfast revealed potential benefits in increasing muscle mass across 5 studies involving an elderly population and 2 studies encompassing middle-aged women and young men in our review. However, the relationship between protein intake at breakfast and muscle strength remains unclear. Further high-quality randomized controlled trials are required to examine whether adults can preserve skeletal muscle health outcomes by consuming higher amounts of protein at breakfast.
    Language English
    Publishing date 2024-01-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 82067-2
    ISSN 1753-4887 ; 0029-6643
    ISSN (online) 1753-4887
    ISSN 0029-6643
    DOI 10.1093/nutrit/nuad167
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  3. Article ; Online: Association between disruption of circadian activity rhythms and obesity.

    Kim, Hyeon-Ki / Yamada, Yosuke / Tahara, Yu / Takahashi, Masaki / Ono, Rei / Shibata, Shigenobu

    Chronobiology international

    2023  Volume 40, Issue 12, Page(s) 1546–1556

    Abstract: This cross-sectional study aimed to elucidate the association between disruption of circadian activity rhythms and obesity-related indices. This study included 69 older participants (male, ...

    Abstract This cross-sectional study aimed to elucidate the association between disruption of circadian activity rhythms and obesity-related indices. This study included 69 older participants (male,
    MeSH term(s) Humans ; Male ; Female ; Circadian Rhythm ; Cross-Sectional Studies ; Exercise ; Obesity ; Body Mass Index
    Language English
    Publishing date 2023-12-05
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 998996-1
    ISSN 1525-6073 ; 0742-0528
    ISSN (online) 1525-6073
    ISSN 0742-0528
    DOI 10.1080/07420528.2023.2285314
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Polygalae Radix

    Haraguchi, Atsushi / Saito, Keisuke / Tahara, Yu / Shibata, Shigenobu

    Pharmaceutical biology

    2022  Volume 60, Issue 1, Page(s) 689–698

    Abstract: Context: The mammalian circadian clock system regulates physiological function. Crude drugs, containing : Objective: We examine effective crude drugs, which cover at least one or two of Kampō, for the shortening effects on period length of clock gene ...

    Abstract Context: The mammalian circadian clock system regulates physiological function. Crude drugs, containing
    Objective: We examine effective crude drugs, which cover at least one or two of Kampō, for the shortening effects on period length of clock gene expression rhythm, and reveal the mechanism of shortening effects.
    Materials and methods: We prepared 40 crude drugs. In the
    Results: We found that
    Discussion and conclusions: Our results indicate that
    MeSH term(s) Animals ; Calcium-Calmodulin-Dependent Protein Kinase Type 2/physiology ; Circadian Clocks/drug effects ; Dose-Response Relationship, Drug ; Male ; Medicine, Kampo ; Mice ; Mice, Inbred C57BL ; Motor Activity/drug effects ; Plant Extracts/pharmacology ; Plant Extracts/therapeutic use ; Polygala ; Signal Transduction/drug effects
    Chemical Substances Plant Extracts ; Calcium-Calmodulin-Dependent Protein Kinase Type 2 (EC 2.7.11.17)
    Language English
    Publishing date 2022-03-17
    Publishing country England
    Document type Journal Article
    ZDB-ID 1440131-9
    ISSN 1744-5116 ; 1388-0209
    ISSN (online) 1744-5116
    ISSN 1388-0209
    DOI 10.1080/13880209.2022.2048863
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  5. Article: Euglena gracilis

    Ryan, Conn / Cao, Siyuan / Sekiguchi, Masataka / Haraguchi, Atsushi / Murata, Ako / Nakashima, Ayaka / Suzuki, Kengo / Shibata, Shigenobu

    Frontiers in nutrition

    2023  Volume 10, Page(s) 1113118

    Abstract: Paramylon, a β-1,3-glucan storage polysaccharide derived ... ...

    Abstract Paramylon, a β-1,3-glucan storage polysaccharide derived from
    Language English
    Publishing date 2023-03-27
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2776676-7
    ISSN 2296-861X
    ISSN 2296-861X
    DOI 10.3389/fnut.2023.1113118
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Protective Effects of Inulin on Stress-Recurrent Inflammatory Bowel Disease.

    Du, Yao / Kusama, Kanta / Hama, Koki / Chen, Xinyue / Tahara, Yu / Kajiwara, Susumu / Shibata, Shigenobu / Orihara, Kanami

    International journal of molecular sciences

    2024  Volume 25, Issue 5

    Abstract: Inflammatory bowel disease (IBD) is a chronic inflammatory condition of the digestive tract and is closely associated with the homeostasis of the gut microbiota. Inulin, as a natural prebiotic, displays anti-inflammatory activity and maintains ... ...

    Abstract Inflammatory bowel disease (IBD) is a chronic inflammatory condition of the digestive tract and is closely associated with the homeostasis of the gut microbiota. Inulin, as a natural prebiotic, displays anti-inflammatory activity and maintains equilibrium of the intestinal microbiota. In this study, our research aimed to explore the potential of inulin in enhancing intestinal immunity and reducing inflammation in stress-recurrent IBD. In this study, a co-culture intestinal epithelium model and a stress-recurrent IBD mouse model was used to examine the protective effects of inulin. It was observed that inulin digesta significantly reduced pro-inflammatory cytokine expression (
    MeSH term(s) Mice ; Animals ; Inulin/pharmacology ; Colon/metabolism ; Inflammatory Bowel Diseases/metabolism ; Inflammation/metabolism ; Cytokines/metabolism
    Chemical Substances Inulin (9005-80-5) ; Cytokines
    Language English
    Publishing date 2024-02-21
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms25052494
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  7. Article ; Online: The genome of Lyophyllum shimeji provides insight into the initial evolution of ectomycorrhizal fungal genomes.

    Kobayashi, Yuuki / Shibata, Tomoko F / Hirakawa, Hideki / Nishiyama, Tomoaki / Yamada, Akiyoshi / Hasebe, Mitsuyasu / Shigenobu, Shuji / Kawaguchi, Masayoshi

    DNA research : an international journal for rapid publication of reports on genes and genomes

    2023  Volume 30, Issue 1

    Abstract: Mycorrhizae are one of the most fundamental symbioses between plants and fungi, with ectomycorrhizae being the most widespread in boreal forest ecosystems. Ectomycorrhizal fungi are hypothesized to have evolved convergently from saprotrophic ancestors in ...

    Abstract Mycorrhizae are one of the most fundamental symbioses between plants and fungi, with ectomycorrhizae being the most widespread in boreal forest ecosystems. Ectomycorrhizal fungi are hypothesized to have evolved convergently from saprotrophic ancestors in several fungal clades, especially members of the subdivision Agaricomycotina. Studies on fungal genomes have identified several typical characteristics of mycorrhizal fungi, such as genome size expansion and decreases in plant cell-wall degrading enzymes (PCWDEs). However, genomic changes concerning the evolutionary transition to the ectomycorrhizal lifestyle are largely unknown. In this study, we sequenced the genome of Lyophyllum shimeji, an ectomycorrhizal fungus that is phylogenetically related to saprotrophic species and retains some saprotroph-like traits. We found that the genome of Ly. shimeji strain AT787 lacks both incremental increases in genome size and reduced numbers of PCWDEs. Our findings suggest that the previously reported common genomic traits of mycorrhizal fungi are not essential for the ectomycorrhizal lifestyle, but are a result of abolishing saprotrophic activity. Since Ly. shimeji is commercially consumed as an edible mushroom, the newly available genomic information may also impact research designed to enhance the cultivation of this mushroom.
    MeSH term(s) Mycorrhizae/genetics ; Ecosystem ; Agaricales/genetics ; Symbiosis/genetics ; Genome, Fungal
    Language English
    Publishing date 2023-01-05
    Publishing country England
    Document type Journal Article
    ZDB-ID 1212508-8
    ISSN 1756-1663 ; 1340-2838
    ISSN (online) 1756-1663
    ISSN 1340-2838
    DOI 10.1093/dnares/dsac053
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  8. Article: Time-of-Day-Dependent Physiological Responses to Meal and Exercise.

    Aoyama, Shinya / Shibata, Shigenobu

    Frontiers in nutrition

    2020  Volume 7, Page(s) 18

    Abstract: The mammalian circadian clock drives the temporal coordination in cellular homeostasis and it leads the day-night fluctuation of physiological functions, such as sleep/wake cycle, hormonal secretion, and body temperature. The mammalian circadian clock ... ...

    Abstract The mammalian circadian clock drives the temporal coordination in cellular homeostasis and it leads the day-night fluctuation of physiological functions, such as sleep/wake cycle, hormonal secretion, and body temperature. The mammalian circadian clock system in the body is classified hierarchically into two classes, the central clock in the suprachiasmatic nucleus (SCN) of the hypothalamus and the peripheral clocks in peripheral tissues such as the intestine and liver, as well as other brain areas outside the SCN. The circadian rhythm of various tissue-specific functions is mainly controlled by each peripheral clock and partially by the central clock as well. The digestive, absorptive, and metabolic capacities of nutrients also show the day-night variations in several peripheral tissues such as small intestine and liver. It is therefore indicated that the bioavailability or metabolic capacity of nutrients depends on the time of day. In fact, the postprandial response of blood triacylglycerol to a specific diet and glucose tolerance exhibit clear time-of-day effects. Meal frequency and distribution within a day are highly related to metabolic functions, and optimal time-restricted feeding has the potential to prevent several metabolic dysfunctions. In this review, we summarize the time-of-day-dependent postprandial response of macronutrients to each meal and the involvement of circadian clock system in the time-of-day effect. Furthermore, the chronic beneficial and adverse effects of meal time and eating pattern on metabolism and its related diseases are discussed. Finally, we discuss the timing-dependent effects of exercise on the day-night variation of exercise performance and therapeutic potential of time-controlled-exercise for promoting general health.
    Language English
    Publishing date 2020-02-28
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2776676-7
    ISSN 2296-861X
    ISSN 2296-861X
    DOI 10.3389/fnut.2020.00018
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  9. Article: Association between blood pressure and circadian timing of physical activity of Japanese workers.

    Imamura, Momoko / Tahara, Yu / Suiko, Takahiko / Nagamori, Yuki / Shibata, Shigenobu

    Frontiers in physiology

    2022  Volume 13, Page(s) 992945

    Abstract: High blood pressure (BP) is reported to be accounted for more than 10 million deaths, and the high prevalence of hypertension is a global issue. Exercise is known to reduce BP and the optimal exercise prescription has been discussed. Furthermore, since ... ...

    Abstract High blood pressure (BP) is reported to be accounted for more than 10 million deaths, and the high prevalence of hypertension is a global issue. Exercise is known to reduce BP and the optimal exercise prescription has been discussed. Furthermore, since the circadian clock plays an important role in BP regulation and its related physiological functions, the time-of-day difference in the effect of exercise on BP is suggested. However, when people should regularly exercise for the prevention of hypertension remains unclear. In this cross-sectional research, we analyzed the association of habitual exercise and BP depending on their performed timing, time length, and frequency for three levels of intensity from an analysis of questionnaire answered by Japanese male workers (
    Language English
    Publishing date 2022-09-26
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2564217-0
    ISSN 1664-042X
    ISSN 1664-042X
    DOI 10.3389/fphys.2022.992945
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  10. Article: Effects of Additional Granola in Children's Breakfast on Nutritional Balance, Sleep and Defecation: An Open-Label Randomized Cross-Over Trial.

    Matsumoto, Yuma / Sasaki, Hiroyuki / Masutomi, Hirofumi / Ishihara, Katsuyuki / Shibata, Shigenobu / Hirao, Kazuko / Furutani, Akiko

    Children (Basel, Switzerland)

    2023  Volume 10, Issue 5

    Abstract: The contribution of breakfast to daily nutrient intake is low, particularly among children, at only about 20%, and it is difficult to determine whether children are receiving adequate nutrients at breakfast. Although alterations in breakfast content are ... ...

    Abstract The contribution of breakfast to daily nutrient intake is low, particularly among children, at only about 20%, and it is difficult to determine whether children are receiving adequate nutrients at breakfast. Although alterations in breakfast content are considered to affect lifestyle habits such as sleep and defecation, there have been few intervention studies in children. The relationship between nutritional balance, dietary intake, and lifestyle habits in children remains unclear. We conducted an intervention study on elementary school children's breakfasts and observed the effects of improving the nutritional balance of breakfast on sleep parameters and defecation status. An intervention study was conducted with 26 elementary school students in Tokyo. The study design was an open-label randomized cross-over trial. Subjects consumed their usual breakfast during the control period and a granola snack containing soy protein in addition to their usual breakfast during the intervention period. Questionnaires regarding breakfast, sleep, and bowel movements were administered during each period. Based on the answers to these questionnaires, we compared the nutritional sufficiency of macronutrients, vitamins, and minerals (29 in total), as well as changes in sleep parameters and defecation status. The additional consumption of granola snacks increased the breakfast intake of 15 nutrients. The changes were particularly significant for iron, vitamin B1, vitamin D, and dietary fiber. During the intervention, sleep duration was decreased and wake-up time became earlier. In terms of defecation, the intervention did not change stool characteristics, but the frequency of defecations per week increased on average by 1.2 per week. These results suggest that the nutritional balance and the amount of breakfast are linked to sleep and defecation and that improving breakfast content can lead to lifestyle improvements in children.
    Language English
    Publishing date 2023-04-25
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2732685-8
    ISSN 2227-9067
    ISSN 2227-9067
    DOI 10.3390/children10050779
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