Daily Rhythms of Serum Lipids in Dogs: Influences of Lighting and Fasting Cycles

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Daily Rhythms of Serum Lipids in Dogs: Influences of Lighting and Fasting Cycles

机译：犬血脂的日常节律：光照和禁食周期的影响

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Circadianclocksorganizeawidearrayofmetabolicfunctionsinacoherentdailyscheduleandensuresynchronyofthisschedulewithenvironmentalrhythms.Dailyrhythmicityoflipidmetabolismoccursinrodentsandruminants.Weexamineddailylevelvariationsofserumlipids(nonesterifiedfattyacids[NEFA],triglycerides,phospholipids,totalcholesterolandtotallipids)inhealthydogs,particularlyfocusingontheirtemporalrelationshiptolightingandfastingcycles.WhereasserumNEFAlevelsdidnotchangeacrosstheday,levelsoftotallipids,totalcholesterol,phospholipids,andtriglyceridesoccurredindogsmaintainedunder12:12-hlight:darkcyclesandfedasinglemealdaily.Onlytherhythmicpatternoftriglyceridesrespondedtoa6hdelayinlightonset,suggestingacardinalroleofalight-entrainedcircadianoscillatorinitsgeneration.Toinvestigatewhethertemporalvariationsinserumlipidsdependtophysiologicalpostprandialchanges,wemeasuredlipidlevelsinfasteddogs.Rhythmsoftotallipids,totalcholesterol,phospholipids,andtriglyceridesvanishedwhendogswerefood-deprived,indicatingthattheserhythmsaredrivenbythedigestiveprocess.LevelsofserumNEFApatternsweresignificantlyhigherduringfastingthanafterfoodintake.TheincreaseofNEFAconcentrationsduringfastingmayreflectthemobilizationofadiposetissueNEFAmediatedbythedecreaseininsulinwithitslypoliticeffects.Elucidatingthedailyrhythmicityoflipidlevelsisfundamentaltounderstandingthemetabolismofthedog,ananimalmodelfrequentlyusedforresearchinmetabolicpathophysiology.

机译：Circadianclocksorganizeawidearrayofmetabolicfunctionsinacoherentdailyscheduleandensuresynchronyofthisschedulewithenvironmentalrhythms.Dailyrhythmicityoflipidmetabolismoccursinrodentsandruminants.Weexamineddailylevelvariationsofserumlipids（nonesterifiedfattyacids（但是），甘油三酯，磷脂，totalcholesterolandtotallipids）inhealthydogs，particularlyfocusingontheirtemporalrelationshiptolightingandfastingcycles.WhereasserumNEFAlevelsdidnotchangeacrosstheday，levelsoftotallipids，总胆固醇，磷脂，andtriglyceridesoccurredindogsmaintainedunder12：12飞行：darkcyclesandfedasinglemealdaily.Onlytherhythmicpatternoftriglyceridesrespondedtoa6hdelayinlightonset，suggestingacardinalroleofalight entrainedcircadianoscillatorinitsgeneration.Toinvestigatewhethertemporalvariationsinserumlipidsdependtophysiologicalpostprandialchanges，wemeasuredlipidlevelsinfasteddogs.Rhythmsoftotallipids，总胆固醇狗被食物剥夺时，血脂，磷脂和甘油三酸酯消失，表明它们的健康这是由消化过程驱动的。空腹时血清NEFA的水平明显高于进食后的空腹。空腹时NEFA浓度的增加可能反映了胰岛素的衰弱所引起的脂肪的运动性，其具有政治学意义。

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《Comparative Medicine》 |2008年第5期|共页
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中图分类畜牧、动物医学、狩猎、蚕、蜂;
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1. Daily rhythms of serum lipids in dogs: influences of lighting and fasting cycles [J] . Bertolucci C, Fazio F, Piccione G Comparative Medicine . 2008,第5期

机译：犬血脂的日常节律：光照和禁食周期的影响
2. Daily rhythm of serum lipase and alpha-amylase activity in fed and fasted dogs [J] . Piccione G, Giannetto C, Fazio F, Journal of Veterinary Diagnostic Investigation . 2008,第6期

机译：血清脂肪酶的每日节律和喂养犬和禁食犬的α-淀粉酶活性
3. Influence of Fasting and Exercise on the Daily Rhythm of Serum Leptin in the Horse [J] . Giuseppe Piccione, Cristiano Bertolucci, Augusto Foa, Chronobiology international . 2004,第3期

机译：禁食和运动对马血清瘦素每日节律的影响
4. Serum Leptin and Ghrelin Levels and their Relationship with Serum Cortisol, Thyroid Hormones, Lipids, Homocysteine and Folic Acid in Dogs with Compulsive Tail Chasing [C] . International Veterinary Behaviour Meeting . 2017

机译：血清瘦素和Ghrelin水平及其与血清皮质醇，甲状腺激素，脂质，同颗粒的关系，狗的强迫尾部追逐
5. Influence of Four Differently Processed Diets on Plasma Levels of Advanced Glycation End Products (Ages), Serum Levels of Receptor for Advanced Glycation End Products (Rage), Serum and Urine Metabolome, and Fecal Microbiome in Healthy Dogs [D] . ?Bridglalsingh, Siobhan 2020

机译：四种不同加工饮食对晚期糖糖末端产物（年龄），晚期糖糖末端产物（RAGE），血清和尿液代谢的血清受体水平的影响，以及健康犬的粪便微生物组
6. Daily Rhythms of Serum Lipids in Dogs: Influences of Lighting and Fasting Cycles [O] . Cristiano Bertolucci, Francesco Fazio, Giuseppe Piccione 2008

机译：犬血脂的日常节律：光照和禁食周期的影响
7. Daily Rhythm of Serum Lipase and α-Amylase Activity in Fed and Fasted Dogs [O] . Giuseppe Piccione, Claudia Giannetto, Francesco Fazio, 2008

机译：血清脂肪酶的每日节律和喂养和禁食犬的α-淀粉酶活性

Daily Rhythms of Serum Lipids in Dogs: Influences of Lighting and Fasting Cycles

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