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RESEARCH PRODUCT
Calorie Restriction in Adulthood Reduces Hepatic Disorders Induced by Transient Postnatal Overfeeding in Mice
Na LiDolores MosigChristian JuvetUmberto SimeoniThibaud. RolleBenazir SiddeekAnithan KrishnasamyEve RigalCatherine YzydorczykCatherine Vergely Eulalia OrozcoHassib ChehadeJean Baptiste Armengaudsubject
Male0301 basic medicineStress-induced premature senescencemedicine.disease_causeMicechemistry.chemical_compound0302 clinical medicineFibrosisLactationoxidative stressCellular Senescence2. Zero hungerNutrition and DieteticsbiologySuperoxideLiver DiseasesDOHaDCatalasemedicine.anatomical_structure030220 oncology & carcinogenesisstress-induced premature senescenceFemalelcsh:Nutrition. Foods and food supplymedicine.medical_specialtyAnimals; Animals Newborn; Caloric Restriction/methods; Catalase/metabolism; Cellular Senescence; Feeding Methods/adverse effects; Female; Liver/metabolism; Liver Diseases/diet therapy; Liver Diseases/etiology; Liver Diseases/physiopathology; Male; Mice; Mice Inbred C57BL; Oxidative Stress; Superoxide Dismutase/metabolism; DOHaD; developmental programming; liver; oxidative stress; reversibility; stress-induced premature senescenceCalorie restrictionlcsh:TX341-641liverArticleLipofuscinFeeding MethodsSuperoxide dismutase03 medical and health sciencesreversibility[SDV.MHEP.CSC]Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular systemdevelopmental programmingInternal medicinemedicineAnimalsCaloric RestrictionSuperoxide Dismutasebusiness.industrymedicine.diseaseMice Inbred C57BL030104 developmental biologyEndocrinologyAnimals Newbornchemistrybiology.proteinbusinessOxidative stressFood Sciencedescription
International audience; Impaired early nutrition influences the risk of developing metabolic disorders in later life. We observed that transient postnatal overfeeding (OF) in mice induces long-term hepatic alterations, characterized by microsteatosis, fibrosis associated with oxidative stress (OS), and stress-induced premature senescence (SIPS). In this study, we investigated whether such changes can be reversed by moderate calorie restriction (CR). C57BL/6 male mice pups were maintained during lactation in litters adjusted to nine pups in the normal feeding (NF) group and three pups in the transient postnatal OF group. At six months of age, adult mice from the NF and OF groups were randomly assigned to an ad libitum diet or CR (daily energy supply reduced by 20%) for one month. In each group, at the age of seven months, analysis of liver structure, liver markers of OS (superoxide anion, antioxidant defenses), and SIPS (lipofuscin, p53, p21, p16, pRb/Rb, Acp53, sirtuin-1) were performed. CR in the OF group reduced microsteatosis, decreased levels of superoxide anion, and increased protein expression of catalase and superoxide dismutase. Moreover, CR decreased lipofuscin staining, p21, p53, Acp53, and p16 but increased pRb/Rb and sirtuin-1 protein expression. CR did not affect the NF group. These results suggest that CR reduces hepatic disorders induced by OF.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2019-11-16 |