Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake

Awad Alshahrani,1–3 Mohammed AlDubayee,1–3 Mahmoud Zahra,3 Firas M Alsebayel,3 Nawaf Alammari,3 Faisal Alsudairy,3 Muath Almajed,3 Ahmad Aljada4 1Department of Medicine, Ministry of National Guard Health Affairs (MNG-HA), Riyadh, Kingdom of Saudi Arabia; 2King Abdullah Internatio...

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Autores principales:	Alshahrani A, AlDubayee M, Zahra M, Alsebayel FM, Alammari N, Alsudairy F, Almajed M, Aljada A
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	hnaa40 nicotinamide phosphoribosyltransferase (nampt) sirtuin-1 t2dm obesity and senescence Specialties of internal medicine RC581-951
Acceso en línea:	https://doaj.org/article/2a0fdf8717ab42129f3079ed043338b7
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spelling	oai:doaj.org-article:2a0fdf8717ab42129f3079ed043338b72021-12-02T04:14:45ZDifferential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake1178-7007https://doaj.org/article/2a0fdf8717ab42129f3079ed043338b72019-12-01T00:00:00Zhttps://www.dovepress.com/differential-expression-of-human-n-alpha-acetyltransferase-40-hnaa40-n-peer-reviewed-article-DMSOhttps://doaj.org/toc/1178-7007Awad Alshahrani,1–3 Mohammed AlDubayee,1–3 Mahmoud Zahra,3 Firas M Alsebayel,3 Nawaf Alammari,3 Faisal Alsudairy,3 Muath Almajed,3 Ahmad Aljada4 1Department of Medicine, Ministry of National Guard Health Affairs (MNG-HA), Riyadh, Kingdom of Saudi Arabia; 2King Abdullah International Medical Research Centre (KAIMRC), Riyadh, Kingdom of Saudi Arabia; 3College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Kingdom of Saudi Arabia; 4Department of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, Riyadh, Kingdom of Saudi ArabiaCorrespondence: Ahmad AljadaDepartment of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, P.O. Box 50927, Riyadh 11533, Kingdom of Saudi ArabiaTel +966 112158 834Email aaljada@alfaisal.eduBackground: Interactions between environmental factors, such as diet and lifestyle, and metabolic pathways are pivotal in understanding aging mechanisms. hNAA40, Nicotinamide phosphoribosyltransferase (NAMPT), and NAD-dependent protein deacetylase sirtuin-1 (SIRT-1) have been shown to exert important biological processes, including stress response and aging.Methods: hNAA40, NAMPT, and SIRT-1 mRNA expression in peripheral blood mononuclear cells (PBMC) were quantitated in 30 lean adult volunteers of normal weight, 30 obese, 20 drug-naïve obese Type 2 diabetes mellitus (T2DM), and 30 obese T2DM on Metformin. Similarly, hNAA40, NAMPT, and SIRT-1 expression in PBMC were quantitated in 36 normal healthy adults randomly assigned to three different groups (Glucose or Whey proteins or lipids; 300 kcal). Blood samples were obtained at 1, 2, and 3 hrs after the macronutrient intake.Results: There was an increase in hNAA40 and a decrease in NAMPT and SIRT-1 expression in PBMC from T2DM. Metformin treatment reverted hNAA40, NAMPT, and SIRT-1 expression levels to normal levels. Glucose intake resulted in a significant increase in expression of hNAA40 at 1 hr and decreased significantly at 3 hrs post intake. Lipid intake resulted in an increase in expression of hNAA40 at 2 hr post intake and returned to normal levels at 3 hrs. Neither glucose nor lipid intake resulted in a significant change in NAMPT or SIRT-1 expression. Whey proteins resulted in significantly lower expression of NAMPT at 3 hrs and did not alter the expression levels of SIRT-1 significantly.Conclusion: hNAA40, NAMPT, and SIRT-1 pathway could play a role in the determination of the healthy life-span. Metformin modulates this pathway.Keywords: hNAA40, nicotinamide phosphoribosyltransferase, NAMPT, sirtuin-1, T2DM, obesity, senescenceAlshahrani AAlDubayee MZahra MAlsebayel FMAlammari NAlsudairy FAlmajed MAljada ADove Medical Pressarticlehnaa40nicotinamide phosphoribosyltransferase (nampt)sirtuin-1t2dmobesityand senescenceSpecialties of internal medicineRC581-951ENDiabetes, Metabolic Syndrome and Obesity: Targets and Therapy, Vol Volume 12, Pp 2765-2774 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	hnaa40 nicotinamide phosphoribosyltransferase (nampt) sirtuin-1 t2dm obesity and senescence Specialties of internal medicine RC581-951
spellingShingle	hnaa40 nicotinamide phosphoribosyltransferase (nampt) sirtuin-1 t2dm obesity and senescence Specialties of internal medicine RC581-951 Alshahrani A AlDubayee M Zahra M Alsebayel FM Alammari N Alsudairy F Almajed M Aljada A Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake
description	Awad Alshahrani,1–3 Mohammed AlDubayee,1–3 Mahmoud Zahra,3 Firas M Alsebayel,3 Nawaf Alammari,3 Faisal Alsudairy,3 Muath Almajed,3 Ahmad Aljada4 1Department of Medicine, Ministry of National Guard Health Affairs (MNG-HA), Riyadh, Kingdom of Saudi Arabia; 2King Abdullah International Medical Research Centre (KAIMRC), Riyadh, Kingdom of Saudi Arabia; 3College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Kingdom of Saudi Arabia; 4Department of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, Riyadh, Kingdom of Saudi ArabiaCorrespondence: Ahmad AljadaDepartment of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, P.O. Box 50927, Riyadh 11533, Kingdom of Saudi ArabiaTel +966 112158 834Email aaljada@alfaisal.eduBackground: Interactions between environmental factors, such as diet and lifestyle, and metabolic pathways are pivotal in understanding aging mechanisms. hNAA40, Nicotinamide phosphoribosyltransferase (NAMPT), and NAD-dependent protein deacetylase sirtuin-1 (SIRT-1) have been shown to exert important biological processes, including stress response and aging.Methods: hNAA40, NAMPT, and SIRT-1 mRNA expression in peripheral blood mononuclear cells (PBMC) were quantitated in 30 lean adult volunteers of normal weight, 30 obese, 20 drug-naïve obese Type 2 diabetes mellitus (T2DM), and 30 obese T2DM on Metformin. Similarly, hNAA40, NAMPT, and SIRT-1 expression in PBMC were quantitated in 36 normal healthy adults randomly assigned to three different groups (Glucose or Whey proteins or lipids; 300 kcal). Blood samples were obtained at 1, 2, and 3 hrs after the macronutrient intake.Results: There was an increase in hNAA40 and a decrease in NAMPT and SIRT-1 expression in PBMC from T2DM. Metformin treatment reverted hNAA40, NAMPT, and SIRT-1 expression levels to normal levels. Glucose intake resulted in a significant increase in expression of hNAA40 at 1 hr and decreased significantly at 3 hrs post intake. Lipid intake resulted in an increase in expression of hNAA40 at 2 hr post intake and returned to normal levels at 3 hrs. Neither glucose nor lipid intake resulted in a significant change in NAMPT or SIRT-1 expression. Whey proteins resulted in significantly lower expression of NAMPT at 3 hrs and did not alter the expression levels of SIRT-1 significantly.Conclusion: hNAA40, NAMPT, and SIRT-1 pathway could play a role in the determination of the healthy life-span. Metformin modulates this pathway.Keywords: hNAA40, nicotinamide phosphoribosyltransferase, NAMPT, sirtuin-1, T2DM, obesity, senescence
format	article
author	Alshahrani A AlDubayee M Zahra M Alsebayel FM Alammari N Alsudairy F Almajed M Aljada A
author_facet	Alshahrani A AlDubayee M Zahra M Alsebayel FM Alammari N Alsudairy F Almajed M Aljada A
author_sort	Alshahrani A
title	Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake
title_short	Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake
title_full	Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake
title_fullStr	Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake
title_full_unstemmed	Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake
title_sort	differential expression of human n-alpha-acetyltransferase 40 (hnaa40), nicotinamide phosphoribosyltransferase (nampt) and sirtuin-1 (sirt-1) pathway in obesity and t2dm: modulation by metformin and macronutrient intake
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/2a0fdf8717ab42129f3079ed043338b7
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Differential Expression of Human N-Alpha-Acetyltransferase 40 (hNAA40), Nicotinamide Phosphoribosyltransferase (NAMPT) and Sirtuin-1 (SIRT-1) Pathway in Obesity and T2DM: Modulation by Metformin and Macronutrient Intake

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