Abstract
The aim of this study was to investigate tumor necrosis factor alpha (TNF-α)- and noradrenaline (NE)-stimulated lipolysis in retroperitoneal (RWAT) and epididymal (EAT) white adipose tissue as a means of understanding how low-protein, high-carbohydrate (LPHC) diet-fed rats maintain their lipid storage in a catabolic environment (marked by increases in serum TNF-α and corticosterone and sympathetic flux to RWAT and EAT), as previously observed. Adipocytes or tissues from the RWAT and EAT of rats fed an LPHC diet and rats fed a control (C) diet for 15 days were used in the experiments. The adipocytes from both tissues of the LPHC rats exhibited lower TNF-α- stimulated lipolysis compared to adipocytes from the C rats. The intracellular lipolytic agents IBMX, DBcAMPc and FSK increased lipolysis in both tissues from rats fed the C and LPHC diets compared to basal lipolysis; however, the effect was approximately 2.5-fold lower in adipocytes from LPHC rats. The LPHC diet induced a marked reduction in the β3 and α2-AR, adipose triglyceride lipase (ATGL) and hormone-sensitive lipase (HSL) content in RWAT and EAT. The LPHC diet did not affect TNF-α receptor 1 content but did induce a reduction in ERK p44/42 in both tissues. The present work indicates that RWAT and EAT from LPHC rats have an impairment in the lipolysis signaling pathway activated by NE and TNF-α, and this impairment explains the reduced response to these lipolytic stimuli, which may be fundamental to the maintenance of lipid storage in LPHC rats.
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Abbreviations
- TNF-α:
-
Tumor necrosis factor alpha
- NE:
-
Noradrenaline
- RWAT:
-
Retroperitoneal white adipose tissue
- EAT:
-
Epididymal white adipose tissue
- LPHC:
-
Low-protein, high-carbohydrate diet
- ATGL:
-
Adipose triglyceride lipase
- HSL:
-
Hormone-sensitive lipase
- TAG:
-
Triacylglycerol(s)
- PLIN:
-
Perilipin
- PAT:
-
Perilipin, adipophilin/adipocyte differentiation-related protein and tail-interacting protein of 47 kDa
- ADRP:
-
Adipocyte differentiation-related protein
- TIP47:
-
Tail-interacting protein of 47 kA
- PKA:
-
Protein kinase A
- FA:
-
Fatty acid(s)
- DAG:
-
Diacylglycerol
- CGI-58:
-
Comparative gene identification-58
- β3-AR:
-
β3-Adrenergic receptor
- Gs:
-
Stimulated G protein
- cAMP:
-
Cyclic adenosine monophosphate
- α2-AR:
-
α2-Adrenergic receptor
- TNFR-1:
-
Isoform 1 TNF receptor
- MAPK:
-
Mitogen-activated protein kinase
- ERK:
-
Extracellular signal-regulated kinase
- JNK:
-
c-Jun NH2-terminal kinase
- SAPK:
-
Stress-activated protein kinase
- DBcAMP:
-
Dibutyryl cAMP
- FSK:
-
Forskolin
- IBMX:
-
Isobutylmethylxanthine
- PMSF:
-
Phenylmethylsulfonyl fluoride
References
Yang ZH, Miyahara H, Takeo J, Katayama M (2012) Diet high in fat and sucrose induces rapid onset of obesity-related metabolic syndrome partly through rapid response of genes involved in lipogenesis, insulin signaling and inflammation in mice. Diabetol Metab Syndr 32:1–10
Ble-Castillo JL, Aparicio-Trapala MA, Juárez-Rojop IE, Torres-Lopez JE, Mendez JD, Aguilar-Mariscal H, Olvera-Hernández V, Palma-Cordova LC, Diaz-Zagoya JC (2012) Differential effects of high-carbohydrate and high-fat diet composition on metabolic control and insulin resistance in normal rats. Int J Environ Res Public Health 9:1663–1676
Minana-Solis Mdel C, Escobar C (2008) Post-weaning protein malnutrition in the rat produces short and long term metabolic impairment, in contrast to earlier and later periods. Int J Biol Sci 4:422–432
Aparecida de França S, Dos Santos MP, Garófalo MAR, Navegantes LC, Kettelhut Ido C, Lopes CF, Kawashita NH (2009) Low protein diet changes the energetic balance and sympathetic activity in brown adipose tissue (BAT) of growing rats. Nutrition 25:1186–1192
Buzelle SL, Santos MP, Baviera AM, Lopes CF, Garófalo MA, Navegantes LC, Kettelhut IC, Chaves VE, Kawashita NH (2010) A low-protein, high-carbohydrate diet increases the adipose lipid content without increasing the glycerol-3-phosphate or fatty acid content in growing rats. Can J Physiol Pharmacol 88:1157–1165
Santos MP, França SA, Santos JT, Buzelle SL, Bertolini GL, Garófalo MA, Kettelhut IC, Frasson D, Chaves VE, Kawashita NH (2012) A low-protein, high-carbohydrate diet increases fatty acid uptake and reduces norepinephrine-induced lipolysis in rat retroperitoneal white adipose tissue. Lipids 47:279–289
Chaves VE, Frasson D, Kawashita NH (2011) Several agents and pathways regulate lipolysis in adipocytes. Biochimie 93:1631–1640
Zechner R, Zimmermann R, Eichmann TO, Kohlwein SD, Haemmerle G, Lass A, Madeo F (2012) FAT SIGNALS–lipases and lipolysis in lipid metabolism and signaling. Cell Metab 15:279–291
Walther TC, Farese RV Jr (2012) Lipid droplets and cellular lipid metabolism. Annu Rev Biochem 81:687–714
Lafontan M, Berlan M (1995) Fat cell alpha 2-adrenoceptors: the regulation of fat cell function and lipolysis. Endocr Rev 16:716–738
Sethi JK, Xu H, Uysal KT, Wiesbrock SM, Scheja L, Hotamisligil GS (2000) Characterisation of receptor-specific TNFalpha functions in adipocyte cell lines lacking type 1 and 2 TNF receptors. FEBS Lett 469:77–82
Souza SC, Palmer HJ, Kang YH, Yamamoto MT, Muliro KV, Paulson KE, Greenberg AS (2003) TNF-alpha induction of lipolysis is mediated through activation of the extracellular signal related kinase pathway in 3T3-L1 adipocytes. J Cell Biochem 89:1077–1086
Zhang HH, Halbleib M, Ahmad F, Manganiello VC, Greenberg AS (2002) Tumor necrosis factor-alpha stimulates lipolysis in differentiated human adipocytes through activation of extracellular signal-related kinase and elevation of intracellular cAMP. Diabetes 51:2929–2935
Ryden M, Dicker A, van Harmelen V, Hauner H, Brunnberg M, Perbeck L, Lonnqvist F, Arner P (2002) Mapping of early signaling events in tumor necrosis factor-alpha-mediated lipolysis in human fat cells. J Biol Chem 277:1085–1091
Wajant H, Pfizenmaier K, Scheurich P (2003) Tumor necrosis factor signaling. Cell Death Differ 10:45–65
Rydén M, Arvidsson E, Blomqvist L, Perbeck L, Dicker A, Arner P (2004) Targets for TNF-alpha-induced lipolysis in human adipocytes. Biochem Biophys Res Commun 318:168–175
Ren T, He J, Jiang H, Zu L, Pu S, Guo X, Xu G (2006) Metformin reduces lipolysis in primary rat adipocytes stimulated by tumor necrosis factor-alpha or isoproterenol. J Mol Endocrinol 37:175–183
Rodbell M (1964) Metabolism of isolated fat cells. I - Effects of hormones on glucose metabolism and lipolysis. J Biol Chem 239:375–380
Erwin BG, Stoscheck CM, Florini JR (1981) A rapid fluorometric method for the estimation of DNA in cultured cells. Anal Biochem 110:291–294
Bradford MM (1976) A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding. Anal Biochem 72:248–254
Collins S, Caron MG, Lefkowitz RJ (1991) Regulation of adrenergic receptor responsiveness through modulation of receptor gene expression. Annu Rev Physiol 53:497–508
Hausdorff WP, Caron MG, Lefkowitz RJ (1990) Turning off the signal: desensitization of beta-adrenergic receptor function. FASEB J 4:2881–2889
Benovic JL, Onorato JJ, Caron MG, Lefkowitz RJ (1990) Regulation of G protein-coupled receptors by agonist-dependent phosphorylation. Soc Gen Physiol Ser 45:87–103
Lafontan M (1994) Differential recruitment and differential regulation by physiological amines of fat cell beta-1, beta-2 and beta-3 adrenergic receptors expressed in native fat cells and in transfected cell lines. Cell Signal 6:363–392
Lafontan M, Bousquet-Melou A, Galitzky J, Barbe P, Carpéné C, Langin D, Berlan M, Valet P, Castan I, Bouloumié A et al (1995) Adrenergic receptors and fat cells: differential recruitment by physiological amines and homologous regulation. Obes Res 4:507S–514S
Bézaire V, Mairal A, Anesia R, Lefort C, Langin D (2009) Chronic TNFalpha and cAMP pre-treatment of human adipocytes alter HSL, ATGL and perilipin to regulate basal and stimulated lipolysis. FEBS Lett 583:3045–3049
Bousquet-Mélou A, Galitzky J, Moreno CM, Berlan M, Lafontan M (1995) Desensitization of beta-adrenergic responses in adipocytes involves receptor subtypes and cAMP phosphodiesterase. Eur J Pharmacol 289:235–247
Acknowledgments
We thank Air Francisco Costa and Celso Roberto Afonso for their technical assistance. This work was supported by grants from Fundação de Amparo à Pesquisa do Estado de Mato Grosso (FAPEMAT), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES).
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Feres, D.D.S., dos Santos, M.P., Buzelle, S.L. et al. In Vitro TNF-α- and Noradrenaline-Stimulated Lipolysis is Impaired in Adipocytes from Growing Rats Fed a Low-Protein, High-Carbohydrate Diet. Lipids 48, 779–786 (2013). https://doi.org/10.1007/s11745-013-3809-z
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DOI: https://doi.org/10.1007/s11745-013-3809-z