Plasma Metabolomic Changes in Mice With Time-restricted Feeding-attenuated Spontaneous Metastasis of Lewis Lung Carcinoma. 2020

Lin Yan, and Bret M Rust, and Matthew J Picklo
U.S. Department of Agriculture, Agricultural Research Service, Grand Forks Human Nutrition Research Center, Grand Forks, ND, U.S.A. Lin.Yan@ars.usda.gov.

OBJECTIVE Time-restricted feeding (TRF) during the dark phase of the day restores metabolic homeostasis in mice. METHODS We performed untargeted metabolomic analysis on plasma from mice subjected to TRF that attenuates high-fat diet-enhanced spontaneous metastasis of Lewis lung carcinoma (LLC). RESULTS Twenty-four of 152 identified metabolites differed among the four dietary groups (non-LLC-bearing mice fed the AIN93G diet and LLC-bearing mice fed the AIN93G, the high-fat diet (HFD), or TRF of the HFD). Component 1 of sparse partial least squares-discriminant analysis showed a clear separation between non-LLC-bearing and LLC-bearing mice. Major metabolites responsible for the changes were elevations in α-tocopherol, docosahexaenoic acid, cholesterol, dihydrocholestrol, isoleucine, leucine, and phenylalanine and decreases in lactic acid and pyruvic acid in LLC-bearing mice particularly those fed the HFD. Time-restricted feeding shifted the metabolic profile of LLC-bearing mice towards that of non-LLC-bearing controls. CONCLUSIONS Time-restricted feeding improves metabolic profile of LLC-bearing mice.

UI MeSH Term Description Entries
D007328 Insulin A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1). Iletin,Insulin A Chain,Insulin B Chain,Insulin, Regular,Novolin,Sodium Insulin,Soluble Insulin,Chain, Insulin B,Insulin, Sodium,Insulin, Soluble,Regular Insulin
D007532 Isoleucine An essential branched-chain aliphatic amino acid found in many proteins. It is an isomer of LEUCINE. It is important in hemoglobin synthesis and regulation of blood sugar and energy levels. Alloisoleucine,Isoleucine, L-Isomer,L-Isoleucine,Isoleucine, L Isomer,L-Isomer Isoleucine
D007930 Leucine An essential branched-chain amino acid important for hemoglobin formation. L-Leucine,Leucine, L-Isomer,L-Isomer Leucine,Leucine, L Isomer
D009362 Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. Metastase,Metastasis,Metastases, Neoplasm,Metastasis, Neoplasm,Neoplasm Metastases,Metastases
D010649 Phenylalanine An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE. Endorphenyl,L-Phenylalanine,Phenylalanine, L-Isomer,L-Isomer Phenylalanine,Phenylalanine, L Isomer
D002784 Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. Epicholesterol
D004083 Cholestanol A cholesterol derivative found in human feces, gallstones, eggs, and other biological matter. Coprostanol,Dihydrocholesterol,beta-Cholestanol,5 alpha-Cholestan-3 alpha-ol,5 alpha-Cholestan-3 beta-ol,5 beta-Cholestan-3 alpha-ol,5 beta-Cholestan-3 beta-ol,Cholestan-3-ol,Cholestanol, (3alpha, 5beta)-Isomer,Coprosterol,5 alpha Cholestan 3 alpha ol,5 alpha Cholestan 3 beta ol,5 beta Cholestan 3 beta ol,Cholestan 3 ol,beta Cholestanol,beta-Cholestan-3 beta-ol, 5,beta-ol, 5 beta-Cholestan-3
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D004281 Docosahexaenoic Acids C22-unsaturated fatty acids found predominantly in FISH OILS. Docosahexaenoate,Docosahexaenoic Acid,Docosahexenoic Acids,Docosahexaenoic Acid (All-Z Isomer),Docosahexaenoic Acid Dimer (All-Z Isomer),Docosahexaenoic Acid, 3,6,9,12,15,18-Isomer,Docosahexaenoic Acid, 4,7,10,13,16,19-(All-Z-Isomer),Docosahexaenoic Acid, 4,7,10,13,16,19-(All-Z-Isomer), Cerium Salt,Docosahexaenoic Acid, 4,7,10,13,16,19-(All-Z-Isomer), Cesium Salt,Docosahexaenoic Acid, 4,7,10,13,16,19-(All-Z-Isomer), Potassium Salt,Docosahexaenoic Acid, 4,7,10,13,16,19-(Z,Z,Z,Z,Z,E-Isomer),Docosahexaenoic Acid, 4,7,10,13,16,19-Isomer,Docosahexaenoic Acid, 4,7,10,13,16,19-Isomer, Sodium Salt,Docosahexaenoic Acid, Sodium Salt,Acid, Docosahexaenoic,Acids, Docosahexaenoic,Acids, Docosahexenoic
D005215 Fasting Abstaining from FOOD. Hunger Strike,Hunger Strikes,Strike, Hunger,Strikes, Hunger

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