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10.1038/ijo.2011.78 http://scihub22266oqcxt.onion/10.1038/ijo.2011.78 21467998!3139690!21467998     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 278.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 278.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 278.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 278.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\21467998.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Int+J+Obes+(Lond) 2012 ; 36 (2): 244-53 Nephropedia Template TP {{tp|p=21467998|t=2012. Chronic HO-1 induction with cobalt protoporphyrin (CoPP) treatment increases oxygen consumption, activity, heat production and lowers body weight in obese melanocortin-4 receptor-deficient mice |pdf=|usr=}}{{21467998}} gab.com Text Chronic HO-1 induction with cobalt protoporphyrin (CoPP) treatment increases oxygen consumption, activity, heat production and lowers body weight in obese melanocortin-4 receptor-deficient mice JO: Int J Obes (Lond) http://www.kidney.de/pget.php?&tw=1&pmid=21467998 #FOAvip OBJECTIVE: Heme oxygenase-1 induction (HO-1) elicits chronic weight loss in several rodent models of obesity. Despite these findings, the mechanism by which HO-1 induction reduces body weight is unclear. Chronic HO-1 induction does not alter food intake, suggesting other mechanisms such as increases in metabolism and activity may be responsible for the observed reduction of body weight. In this study, we investigated the mechanism of weight loss elicited by chronic HO-1 induction in a model of genetic obesity due to melanocortin-4 receptor (MC4R) deficiency. DESIGN: Experiments were performed on loxTB MC4R-deficient mice as well as lean controls. Mice were administered cobalt protoporphyrin (CoPP, 5 mg kg(-1)), an inducer of HO-1, once weekly, from 4 to 23 weeks of age. Body weights were measured weekly and fasted blood glucose and insulin, as well as food intake were determined at 18 weeks of age. Oxygen consumption (VO(2)), CO(2) production (VCO(2)), activity and body heat production were measured at 20 weeks of age. RESULTS: Chronic CoPP treatment resulted in a significant decrease in body weight from 5 weeks on in loxTB mice. Chronic CoPP treatment resulted in a significant decrease in fasted blood glucose levels, plasma insulin and a significant increase in plasma adiponectin levels in MC4R-deficient mice. Chronic CoPP treatment increased VO(2) (47 +/- 4 vs 38 +/- 3 ml kg(-1) per min, P<0.05) and VCO(2) (44 +/- 7 vs 34 +/- 4 ml kg(-1) per min, P<0.05) in treated vs non-treated, MC4R-deficient mice (n=4). Heat production (10%) and activity (18%) were also significantly (P<0.05) increased in CoPP-treated MC4R-deficient mice. CONCLUSION: Our results suggest that chronic HO-1 induction with CoPP induction elicits weight loss by increasing metabolism and activity by an MC4R-independent pathway. Twit Text FOAVip Chronic HO-1 induction with cobalt protoporphyrin (CoPP) treatment increases oxygen consumption, activity, heat production and lowers body weight in obese melanocortin-4 receptor-deficient mice ????Int J Obes (Lond) http://www.kidney.de/pget.php?&tw=1&pmid=21467998 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=21467998 #FOAvip English Wikipedia <ref>{{Cite pmid|21467998}}</ref> Chronic HO-1 induction with cobalt protoporphyrin (CoPP) treatment increases oxygen consumption, activity, heat production and lowers body weight in obese melanocortin-4 receptor-deficient mice #MMPMID21467998 Csongradi E; Docarmo JM; Dubinion JH; Vera T; Stec DE Int J Obes (Lond) 2012[Feb]; 36 (2): 244-53 PMID21467998show ga OBJECTIVE: Heme oxygenase-1 induction (HO-1) elicits chronic weight loss in several rodent models of obesity. Despite these findings, the mechanism by which HO-1 induction reduces body weight is unclear. Chronic HO-1 induction does not alter food intake, suggesting other mechanisms such as increases in metabolism and activity may be responsible for the observed reduction of body weight. In this study, we investigated the mechanism of weight loss elicited by chronic HO-1 induction in a model of genetic obesity due to melanocortin-4 receptor (MC4R) deficiency. DESIGN: Experiments were performed on loxTB MC4R-deficient mice as well as lean controls. Mice were administered cobalt protoporphyrin (CoPP, 5 mg kg(-1)), an inducer of HO-1, once weekly, from 4 to 23 weeks of age. Body weights were measured weekly and fasted blood glucose and insulin, as well as food intake were determined at 18 weeks of age. Oxygen consumption (VO(2)), CO(2) production (VCO(2)), activity and body heat production were measured at 20 weeks of age. RESULTS: Chronic CoPP treatment resulted in a significant decrease in body weight from 5 weeks on in loxTB mice. Chronic CoPP treatment resulted in a significant decrease in fasted blood glucose levels, plasma insulin and a significant increase in plasma adiponectin levels in MC4R-deficient mice. Chronic CoPP treatment increased VO(2) (47 +/- 4 vs 38 +/- 3 ml kg(-1) per min, P<0.05) and VCO(2) (44 +/- 7 vs 34 +/- 4 ml kg(-1) per min, P<0.05) in treated vs non-treated, MC4R-deficient mice (n=4). Heat production (10%) and activity (18%) were also significantly (P<0.05) increased in CoPP-treated MC4R-deficient mice. CONCLUSION: Our results suggest that chronic HO-1 induction with CoPP induction elicits weight loss by increasing metabolism and activity by an MC4R-independent pathway. |Animals[MESH] |Blotting, Western[MESH] |Body Weight/*drug effects[MESH] |Heme Oxygenase-1/*drug effects/metabolism[MESH] |Male[MESH] |Mice[MESH] |Mice, Obese[MESH] |Motor Activity/*drug effects[MESH] |Oxygen Consumption/*drug effects[MESH] |Protoporphyrins/*pharmacology[MESH] |Receptor, Melanocortin, Type 4/deficiency/*drug effects[MESH] |Thermogenesis/*drug effects[MESH]Chronic HO-1 induction with cobalt protoporphyrin (CoPP) treatment inc(epmc).pdf DeepDyve Pubget Overpricing