Skip to main content
Top
Published in: Odontology 1/2014

01-01-2014 | Original Article

Ghrelin levels in chronic periodontitis patients

Authors: Gülin Yılmaz, Fatma Yeşim Kırzıoğlu, Duygu Kumbul Doğuç, Havva Koçak, Hikmet Orhan

Published in: Odontology | Issue 1/2014

Login to get access

Abstract

Ghrelin is a peptide hormone that has modulatory effects on the immune system. This study was designed to evaluate plasma ghrelin levels in patients with chronic periodontitis and to investigate if a relationship exists between ghrelin and periodontal parameters, serum cytokines, and bone turnover markers. Thirty-five chronic periodontitis patients (CP) and periodontal healthy individuals (C) were included in this study. Periodontal parameters were recorded. Blood samples were obtained to determine the levels of total and acylated ghrelin, interleukin-1 beta (IL-1β), tumor necrosis factor-alpha (TNF-α), the soluble receptor activator nuclear factor kappaB ligand (sRANKL), alkaline phosphatase (ALP), and osteocalcin (OSC). Plasma levels of total and acylated ghrelin were significantly elevated in the CP group compared with the C group (p < 0.05). The difference was significant only between males in the two groups (groups were compared with respect to gender) (p < 0.05). There was no difference between the groups regarding the levels of serum sRANKL, TNF-α, and ALP. A relative increase in the serum levels of IL-1β and a decrease in the serum levels of OSC of the CP group were observed (p < 0.05). In addition, positive correlations between total ghrelin/ALP and total ghrelin/acylated ghrelin were discovered. We found no direct correlation between ghrelin levels and periodontal parameters. Our results indicate an increase of total and acylated ghrelin levels in patients with chronic periodontitis. Further, studies in larger populations (which could include ghrelin levels in gingival tissue, gingival crevicular fluid, and saliva) are needed in order to confirm the role of ghrelin in periodontal disease.
Literature
1.
go back to reference Kojima M, Hosoda H, Date Y, Nakazato M, Matsuo H, Kangawa K. Ghrelin is a growth-hormone-releasing acylated peptide from stomach. Nature. 1999;402:656–60.PubMedCrossRef Kojima M, Hosoda H, Date Y, Nakazato M, Matsuo H, Kangawa K. Ghrelin is a growth-hormone-releasing acylated peptide from stomach. Nature. 1999;402:656–60.PubMedCrossRef
2.
go back to reference Hattori N, Saito T, Yagyu T, Jiang BH, Kitagawa K, Inagaki C. GH, GH receptor, GH secretagogue receptor, and ghrelin expression in human T cells, B cells, and neutrophils. J Clin Endocrinol Metab. 2001;86:4284–91.PubMed Hattori N, Saito T, Yagyu T, Jiang BH, Kitagawa K, Inagaki C. GH, GH receptor, GH secretagogue receptor, and ghrelin expression in human T cells, B cells, and neutrophils. J Clin Endocrinol Metab. 2001;86:4284–91.PubMed
3.
go back to reference Ueberberg B, Unger N, Saeger W, Mann K, Petersenn S. Expression of ghrelin and its receptor in human tissues. Horm Metab Res. 2009;41:814–21.PubMedCrossRef Ueberberg B, Unger N, Saeger W, Mann K, Petersenn S. Expression of ghrelin and its receptor in human tissues. Horm Metab Res. 2009;41:814–21.PubMedCrossRef
5.
go back to reference Li WG, Gavrila D, Liu X, Wang L, Gunnlaugsson S, Stoll LL, McCormick ML, Sigmund CD, Tang C, Weintraub NL. Ghrelin inhibits proinflammatory responses and nuclear factor-kappaB activation in human endothelial cells. Circulation. 2004;109:2221–6.PubMedCrossRef Li WG, Gavrila D, Liu X, Wang L, Gunnlaugsson S, Stoll LL, McCormick ML, Sigmund CD, Tang C, Weintraub NL. Ghrelin inhibits proinflammatory responses and nuclear factor-kappaB activation in human endothelial cells. Circulation. 2004;109:2221–6.PubMedCrossRef
6.
go back to reference St-Pierre DH, Bastard JP, Coderre L, Brochu M, Karelis AD, Lavoie ME, Malita F, Fontaine J, Mignault D, Cianflone K, Imbeault P, Doucet E, Rabasa-Lhoret R. Association of acylated ghrelin profiles with chronic inflammatory markers in overweight and obese postmenopausal women: a MONET study. Eur J Endocrinol. 2007;157:419–26.PubMedCrossRef St-Pierre DH, Bastard JP, Coderre L, Brochu M, Karelis AD, Lavoie ME, Malita F, Fontaine J, Mignault D, Cianflone K, Imbeault P, Doucet E, Rabasa-Lhoret R. Association of acylated ghrelin profiles with chronic inflammatory markers in overweight and obese postmenopausal women: a MONET study. Eur J Endocrinol. 2007;157:419–26.PubMedCrossRef
7.
go back to reference Fukushima N, Hanada R, Teranishi H, Fukue Y, Tachibana T, Ishikawa H, Takeda S, Takeuchi Y, Fukumoto S, Kangawa K, Nagata K, Kojima M. Ghrelin directly regulates bone formation. J Bone Miner Res. 2005;20:790–8.PubMedCrossRef Fukushima N, Hanada R, Teranishi H, Fukue Y, Tachibana T, Ishikawa H, Takeda S, Takeuchi Y, Fukumoto S, Kangawa K, Nagata K, Kojima M. Ghrelin directly regulates bone formation. J Bone Miner Res. 2005;20:790–8.PubMedCrossRef
8.
go back to reference Kim SW, Her SJ, Park SJ, Kim D, Park KS, Lee HK, Han BH, Kim MS, Shin CS, Kim SY. Ghrelin stimulates proliferation and differentiation and inhibits apoptosis in osteoblastic MC3T3-E1 cells. Bone. 2005;37:359–69.PubMedCrossRef Kim SW, Her SJ, Park SJ, Kim D, Park KS, Lee HK, Han BH, Kim MS, Shin CS, Kim SY. Ghrelin stimulates proliferation and differentiation and inhibits apoptosis in osteoblastic MC3T3-E1 cells. Bone. 2005;37:359–69.PubMedCrossRef
9.
go back to reference Maccarinelli G, Sibilia V, Torsello A, Raimondo F, Pitto M, Giustina A, Netti C, Cocchi D. Ghrelin regulates proliferation and differentiation of osteoblastic cells. J Endocrinol. 2005;184:249–56.PubMedCrossRef Maccarinelli G, Sibilia V, Torsello A, Raimondo F, Pitto M, Giustina A, Netti C, Cocchi D. Ghrelin regulates proliferation and differentiation of osteoblastic cells. J Endocrinol. 2005;184:249–56.PubMedCrossRef
10.
go back to reference Dixit VD, Schaffer EM, Pyle RS, Collins GD, Sakthivel SK, Palaniappan R, Lillard JW Jr, Taub DD. Ghrelin inhibits leptin- and activation-induced proinflammatory cytokine expression by human monocytes and T cells. J Clin Invest. 2004;114:57–66.PubMedCentralPubMed Dixit VD, Schaffer EM, Pyle RS, Collins GD, Sakthivel SK, Palaniappan R, Lillard JW Jr, Taub DD. Ghrelin inhibits leptin- and activation-induced proinflammatory cytokine expression by human monocytes and T cells. J Clin Invest. 2004;114:57–66.PubMedCentralPubMed
11.
go back to reference Deng F, Ling J, Ma J, Liu C, Zhang W. Stimulation of intramembranous bone repair in rats by ghrelin. Exp Physiol. 2008;93:872–9.PubMedCrossRef Deng F, Ling J, Ma J, Liu C, Zhang W. Stimulation of intramembranous bone repair in rats by ghrelin. Exp Physiol. 2008;93:872–9.PubMedCrossRef
12.
go back to reference Ozkaya O, Buyan N, Bideci A, Gonen S, Ortac E, Fidan K, Cinaz P, Söylemezoğlu O. Osteoprotegerin and RANKL serum levels and their relationship with serum ghrelin in children with chronic renal failure and on dialysis. Nephron Clin Pract. 2007;105:c153–8.PubMedCrossRef Ozkaya O, Buyan N, Bideci A, Gonen S, Ortac E, Fidan K, Cinaz P, Söylemezoğlu O. Osteoprotegerin and RANKL serum levels and their relationship with serum ghrelin in children with chronic renal failure and on dialysis. Nephron Clin Pract. 2007;105:c153–8.PubMedCrossRef
13.
go back to reference Karmiris K, Koutroubakis IE, Kouroumalis EA. Leptin, adiponectin, resistin, and ghrelin–implications for inflammatory bowel disease. Mol Nutr Food Res. 2008;52:855–66.PubMedCrossRef Karmiris K, Koutroubakis IE, Kouroumalis EA. Leptin, adiponectin, resistin, and ghrelin–implications for inflammatory bowel disease. Mol Nutr Food Res. 2008;52:855–66.PubMedCrossRef
14.
go back to reference Suematsu M, Katsuki A, Sumida Y, Gabazza EC, Murashima S, Matsumoto K, Kitagawa N, Akatsuka H, Hori Y, Nakatani K, Togashi K, Yano Y, Adachi Y. Decreased circulating levels of active ghrelin are associated with increased oxidative stress in obese subjects. Eur J Endocrinol. 2005;153:403–7.PubMedCrossRef Suematsu M, Katsuki A, Sumida Y, Gabazza EC, Murashima S, Matsumoto K, Kitagawa N, Akatsuka H, Hori Y, Nakatani K, Togashi K, Yano Y, Adachi Y. Decreased circulating levels of active ghrelin are associated with increased oxidative stress in obese subjects. Eur J Endocrinol. 2005;153:403–7.PubMedCrossRef
15.
16.
go back to reference Gorska R, Gregorek H, Kowalski J, Laskus-Perendyk A, Syczewska M, Madalinski K. Relationship between clinical parameters and cytokine profiles in inflamed gingival tissue and serum samples from patients with chronic periodontitis. J Clin Periodontol. 2003;30:1046–52.PubMedCrossRef Gorska R, Gregorek H, Kowalski J, Laskus-Perendyk A, Syczewska M, Madalinski K. Relationship between clinical parameters and cytokine profiles in inflamed gingival tissue and serum samples from patients with chronic periodontitis. J Clin Periodontol. 2003;30:1046–52.PubMedCrossRef
17.
go back to reference Pradeep AR, Hadge P, Chowdhry S, Patel S, Happy D. Exploring the role of Th1 cytokines: interleukin-17 and interleukin-18 in periodontal health and disease. J Oral Sci. 2009;51:261–6.PubMedCrossRef Pradeep AR, Hadge P, Chowdhry S, Patel S, Happy D. Exploring the role of Th1 cytokines: interleukin-17 and interleukin-18 in periodontal health and disease. J Oral Sci. 2009;51:261–6.PubMedCrossRef
18.
go back to reference Nagasawa T, Kiji M, Yashiro R, Hormdee D, Lu H, Kunze M, Suda T, Koshy G, Kobayashi H, Oda S, Nitta H, Ishikawa I. Roles of receptor activator of nuclear factor-kappaB ligand (RANKL) and osteoprotegerin in periodontal health and disease. Periodontol 2000. 2007;43:65–84. Nagasawa T, Kiji M, Yashiro R, Hormdee D, Lu H, Kunze M, Suda T, Koshy G, Kobayashi H, Oda S, Nitta H, Ishikawa I. Roles of receptor activator of nuclear factor-kappaB ligand (RANKL) and osteoprotegerin in periodontal health and disease. Periodontol 2000. 2007;43:65–84.
20.
go back to reference Bizzarro S, van der Velden U, ten Heggeler JM, Leivadaros E, Hoek FJ, Gerdes VE, Bakker SJ, Gans RO, Ten Cate H, Loos BG. Periodontitis is characterized by elevated PAI-1 activity. J Clin Periodontol. 2007;34:574–80.PubMedCrossRef Bizzarro S, van der Velden U, ten Heggeler JM, Leivadaros E, Hoek FJ, Gerdes VE, Bakker SJ, Gans RO, Ten Cate H, Loos BG. Periodontitis is characterized by elevated PAI-1 activity. J Clin Periodontol. 2007;34:574–80.PubMedCrossRef
21.
go back to reference Silness J, Loe H. Periodontal disease in pregnancy II. Correlation between oral hygiene and periodontal condition. Acta Odontol Scand. 1964;22:121–35.PubMedCrossRef Silness J, Loe H. Periodontal disease in pregnancy II. Correlation between oral hygiene and periodontal condition. Acta Odontol Scand. 1964;22:121–35.PubMedCrossRef
22.
go back to reference Loe H, Silness J. Periodontal disease in pregnancy. I. Prevalence and severity. Acta Odontol Scand. 1963;21:533–51.PubMedCrossRef Loe H, Silness J. Periodontal disease in pregnancy. I. Prevalence and severity. Acta Odontol Scand. 1963;21:533–51.PubMedCrossRef
23.
go back to reference Armitage GC. Development of a classification system for periodontal diseases and conditions. Ann Periodontol. 1999;4:1–6.PubMedCrossRef Armitage GC. Development of a classification system for periodontal diseases and conditions. Ann Periodontol. 1999;4:1–6.PubMedCrossRef
24.
go back to reference Xia Q, Pang W, Pan H, Zheng Y, Kang JS, Zhu SG. Effects of ghrelin on the proliferation and secretion of splenic T lymphocytes in mice. Regul Pept. 2004;122:173–8.PubMedCrossRef Xia Q, Pang W, Pan H, Zheng Y, Kang JS, Zhu SG. Effects of ghrelin on the proliferation and secretion of splenic T lymphocytes in mice. Regul Pept. 2004;122:173–8.PubMedCrossRef
25.
go back to reference Wu R, Dong W, Zhou M, Cui X, Hank Simms H, Wang P. Ghrelin improves tissue perfusion in severe sepsis via downregulation of endothelin-1. Cardiovasc Res. 2005;68:318–26.PubMedCrossRef Wu R, Dong W, Zhou M, Cui X, Hank Simms H, Wang P. Ghrelin improves tissue perfusion in severe sepsis via downregulation of endothelin-1. Cardiovasc Res. 2005;68:318–26.PubMedCrossRef
26.
go back to reference Chow KB, Cheng CH, Wise H. Anti-inflammatory activity of ghrelin in human carotid artery cells. Inflammation. 2009;32:402–9.PubMedCrossRef Chow KB, Cheng CH, Wise H. Anti-inflammatory activity of ghrelin in human carotid artery cells. Inflammation. 2009;32:402–9.PubMedCrossRef
27.
go back to reference Kodama T, Ashitani J, Matsumoto N, Kangawa K, Nakazato M. Ghrelin treatment suppresses neutrophil-dominant inflammation in airways of patients with chronic respiratory infection. Pulm Pharmacol Ther. 2008;21:774–9.PubMedCrossRef Kodama T, Ashitani J, Matsumoto N, Kangawa K, Nakazato M. Ghrelin treatment suppresses neutrophil-dominant inflammation in airways of patients with chronic respiratory infection. Pulm Pharmacol Ther. 2008;21:774–9.PubMedCrossRef
28.
go back to reference Hosomi S, Oshitani N, Kamata N, Sogawa M, Yamagami H, Watanabe K, Tominaga K, Watanabe T, Fujiwara Y, Maeda K, Hirakawa K, Arakawa T. Phenotypical and functional study of ghrelin and its receptor in the pathogenesis of Crohn’s disease. Inflamm Bowel Dis. 2008;14:1205–13.PubMedCrossRef Hosomi S, Oshitani N, Kamata N, Sogawa M, Yamagami H, Watanabe K, Tominaga K, Watanabe T, Fujiwara Y, Maeda K, Hirakawa K, Arakawa T. Phenotypical and functional study of ghrelin and its receptor in the pathogenesis of Crohn’s disease. Inflamm Bowel Dis. 2008;14:1205–13.PubMedCrossRef
29.
go back to reference Shimizu Y, Nagaya N, Teranishi Y, Imazu M, Yamamoto H, Shokawa T, Kangawa K, Kohno N, Yoshizumi M. Ghrelin improves endothelial dysfunction through growth hormone-independent mechanisms in rats. Biochem Biophys Res Commun. 2003;310:830–5.PubMedCrossRef Shimizu Y, Nagaya N, Teranishi Y, Imazu M, Yamamoto H, Shokawa T, Kangawa K, Kohno N, Yoshizumi M. Ghrelin improves endothelial dysfunction through growth hormone-independent mechanisms in rats. Biochem Biophys Res Commun. 2003;310:830–5.PubMedCrossRef
30.
go back to reference Ohta K, Laborde NJ, Kajiya M, Shin J, Zhu T, Thondukolam AK, Min C, Kamata N, Karimbux NY, Stashenko P, Kawai T. Expression and posible immune-regulatory function of ghrelin in oral epithelium. J Dent Res. 2011;90:1286–92.PubMedCrossRef Ohta K, Laborde NJ, Kajiya M, Shin J, Zhu T, Thondukolam AK, Min C, Kamata N, Karimbux NY, Stashenko P, Kawai T. Expression and posible immune-regulatory function of ghrelin in oral epithelium. J Dent Res. 2011;90:1286–92.PubMedCrossRef
31.
go back to reference Gröschl M, Topf HG, Bohlender J, Zenk J, Klussmann S, Dötsch J, Rascher W, Rauh M. Identification of ghrelin in human saliva: production by the salivary glands and potential role in proliferation of oral keratinocytes. Clin Chem. 2005;51:997–1006.PubMedCrossRef Gröschl M, Topf HG, Bohlender J, Zenk J, Klussmann S, Dötsch J, Rascher W, Rauh M. Identification of ghrelin in human saliva: production by the salivary glands and potential role in proliferation of oral keratinocytes. Clin Chem. 2005;51:997–1006.PubMedCrossRef
32.
go back to reference Hataya Y, Akamizu T, Hosoda H, Kanamoto N, Moriyama K, Kangawa K, Takaya K, Nakao K. Alterations of plasma ghrelin levels in rats with lipopolysaccharide-induced wasting syndrome and effects of ghrelin treatment on the syndrome. Endocrinology. 2003;144:5365–71.PubMedCrossRef Hataya Y, Akamizu T, Hosoda H, Kanamoto N, Moriyama K, Kangawa K, Takaya K, Nakao K. Alterations of plasma ghrelin levels in rats with lipopolysaccharide-induced wasting syndrome and effects of ghrelin treatment on the syndrome. Endocrinology. 2003;144:5365–71.PubMedCrossRef
33.
go back to reference Toussirot E, Streit G, Nguyen NU, Dumoulin G, Le Huédé G, Saas P, Wendling D. Adipose tissue, serum adipokines, and ghrelin in patients with ankylosing spondylitis. Metabolism. 2007;56:1383–9.PubMedCrossRef Toussirot E, Streit G, Nguyen NU, Dumoulin G, Le Huédé G, Saas P, Wendling D. Adipose tissue, serum adipokines, and ghrelin in patients with ankylosing spondylitis. Metabolism. 2007;56:1383–9.PubMedCrossRef
34.
go back to reference Hattori N. Expression, regulation and biological actions of growth hormone (GH) and ghrelin in the immune system. Growth Horm IGF Res. 2009;19:187–97.PubMedCrossRef Hattori N. Expression, regulation and biological actions of growth hormone (GH) and ghrelin in the immune system. Growth Horm IGF Res. 2009;19:187–97.PubMedCrossRef
35.
go back to reference Poykko SM, Kellokoski E, Ukkola O, Kauma H, Päivänsalo M, Kesäniemi YA, Hörkkö S. Plasma ghrelin concentrations are positively associated with carotid artery atherosclerosis in males. J Intern Med. 2006;260:43–52.PubMedCrossRef Poykko SM, Kellokoski E, Ukkola O, Kauma H, Päivänsalo M, Kesäniemi YA, Hörkkö S. Plasma ghrelin concentrations are positively associated with carotid artery atherosclerosis in males. J Intern Med. 2006;260:43–52.PubMedCrossRef
36.
go back to reference Zhao D, Zhan Y, Zeng H, Moyer MP, Mantzoros CS, Pothoulakis C. Ghrelin stimulates interleukin-8 gene expression through protein kinase C-mediated NF-kappaB pathway in human colonic epithelial cells. J Cell Biochem. 2006;97:1317–27.PubMedCrossRef Zhao D, Zhan Y, Zeng H, Moyer MP, Mantzoros CS, Pothoulakis C. Ghrelin stimulates interleukin-8 gene expression through protein kinase C-mediated NF-kappaB pathway in human colonic epithelial cells. J Cell Biochem. 2006;97:1317–27.PubMedCrossRef
37.
go back to reference Mafra D, Farage NE, Lobo JC, Stockler-Pinto MB, Leal VO, Carvalho DP, Leite M Jr. Relationship between total ghrelin and inflammation in hemodialysis patients. Peptides. 2011;32:358–61.PubMedCrossRef Mafra D, Farage NE, Lobo JC, Stockler-Pinto MB, Leal VO, Carvalho DP, Leite M Jr. Relationship between total ghrelin and inflammation in hemodialysis patients. Peptides. 2011;32:358–61.PubMedCrossRef
38.
go back to reference Sung EZ, Da Silva NF, Goodyear S, McTernan PG, Sanger GJ, Nwokolo CU. Increased plasma ghrelin following infliximab in Crohn’s disease. Aliment Pharmacol Ther. 2009;29:83–9.PubMedCrossRef Sung EZ, Da Silva NF, Goodyear S, McTernan PG, Sanger GJ, Nwokolo CU. Increased plasma ghrelin following infliximab in Crohn’s disease. Aliment Pharmacol Ther. 2009;29:83–9.PubMedCrossRef
39.
go back to reference Muccioli G, Tschop M, Papotti M, Deghenghi R, Heiman M, Ghigo E. Neuroendocrine and peripheral activities of ghrelin: implications in metabolism and obesity. Eur J Pharmacol. 2002;440:235–54.PubMedCrossRef Muccioli G, Tschop M, Papotti M, Deghenghi R, Heiman M, Ghigo E. Neuroendocrine and peripheral activities of ghrelin: implications in metabolism and obesity. Eur J Pharmacol. 2002;440:235–54.PubMedCrossRef
40.
go back to reference Ingelsson E, Larson MG, Yin X, Wang TJ, Meigs JB, Lipinska I, Benjamin EJ, Keaney JF Jr, Vasan RS. Circulating ghrelin, leptin, and soluble leptin receptor concentrations and cardiometabolic risk factors in a community-based sample. J Clin Endocrinol Metab. 2008;93:3149–57.PubMedCrossRef Ingelsson E, Larson MG, Yin X, Wang TJ, Meigs JB, Lipinska I, Benjamin EJ, Keaney JF Jr, Vasan RS. Circulating ghrelin, leptin, and soluble leptin receptor concentrations and cardiometabolic risk factors in a community-based sample. J Clin Endocrinol Metab. 2008;93:3149–57.PubMedCrossRef
41.
go back to reference Baatar D, Patel K, Taub DD. The effects of ghrelin on inflammation and the immune system. Mol Cell Endocrinol. 2011;340:44–58.PubMedCrossRef Baatar D, Patel K, Taub DD. The effects of ghrelin on inflammation and the immune system. Mol Cell Endocrinol. 2011;340:44–58.PubMedCrossRef
42.
go back to reference Di Carlo C, Tommaselli GA, Gargano V, Sammartino A, Bifulco G, Tauchmanova L, Colao A, Nappi C. Effects of estrogen-progestin therapy on serum levels of RANKL, osteoprotegerin, osteocalcin, leptin, and ghrelin in postmenopausal women. Menopause. 2007;14:38–44.PubMedCrossRef Di Carlo C, Tommaselli GA, Gargano V, Sammartino A, Bifulco G, Tauchmanova L, Colao A, Nappi C. Effects of estrogen-progestin therapy on serum levels of RANKL, osteoprotegerin, osteocalcin, leptin, and ghrelin in postmenopausal women. Menopause. 2007;14:38–44.PubMedCrossRef
43.
go back to reference Jurimae J, Jurimae T, Leppik A, Kums T. The influence of ghrelin, adiponectin, and leptin on bone mineral density in healthy postmenopausal women. J Bone Miner Metab. 2008;26:618–23.PubMedCrossRef Jurimae J, Jurimae T, Leppik A, Kums T. The influence of ghrelin, adiponectin, and leptin on bone mineral density in healthy postmenopausal women. J Bone Miner Metab. 2008;26:618–23.PubMedCrossRef
44.
go back to reference Carranza FA. Bone Loss and Patterns of Bone Destruction. In: Newman MG, Takei HH, Carranza FA, editors. Carranza’s clinical periodontology. Philadelphia: W.B. Saunders Company; 2002. p. 354–70. Carranza FA. Bone Loss and Patterns of Bone Destruction. In: Newman MG, Takei HH, Carranza FA, editors. Carranza’s clinical periodontology. Philadelphia: W.B. Saunders Company; 2002. p. 354–70.
45.
go back to reference Purnell JQ, Weigle DS, Breen P, Cummings DE. Ghrelin levels correlate with insulin levels, insulin resistance, and high-density lipoprotein cholesterol, but not with gender, menopausal status, or cortisol levels in humans. J Clin Endocrinol Metab. 2003;88:5747–52.PubMedCrossRef Purnell JQ, Weigle DS, Breen P, Cummings DE. Ghrelin levels correlate with insulin levels, insulin resistance, and high-density lipoprotein cholesterol, but not with gender, menopausal status, or cortisol levels in humans. J Clin Endocrinol Metab. 2003;88:5747–52.PubMedCrossRef
46.
go back to reference Vendrell J, Broch M, Vilarrasa N, Molina A, Gómez JM, Gutiérrez C, Simón I, Soler J, Richart C. Resistin, adiponectin, ghrelin, leptin, and proinflammatory cytokines: relationships in obesity. Obes Res. 2004;12:962–71.PubMedCrossRef Vendrell J, Broch M, Vilarrasa N, Molina A, Gómez JM, Gutiérrez C, Simón I, Soler J, Richart C. Resistin, adiponectin, ghrelin, leptin, and proinflammatory cytokines: relationships in obesity. Obes Res. 2004;12:962–71.PubMedCrossRef
47.
go back to reference Makovey J, Naganathan V, Seibel M, Sambrook P. Gender differences in plasma ghrelin and its relations to body composition and bone—an opposite-sex twin study. Clin Endocrinol (Oxf). 2007;66:530–7.PubMed Makovey J, Naganathan V, Seibel M, Sambrook P. Gender differences in plasma ghrelin and its relations to body composition and bone—an opposite-sex twin study. Clin Endocrinol (Oxf). 2007;66:530–7.PubMed
48.
go back to reference Cicero AF, Magni P, Lentini P, Ruscica M, Dozio E, Strollo F. Brisighella Heart Study Staff. Sex hormones and adipokines in healthy pre-menopausal, post-menopausal and elderly women, and in age-matched men: data from the Brisighella Heart Study. J Endocrinol Invest. 2011;34:e158–62.PubMed Cicero AF, Magni P, Lentini P, Ruscica M, Dozio E, Strollo F. Brisighella Heart Study Staff. Sex hormones and adipokines in healthy pre-menopausal, post-menopausal and elderly women, and in age-matched men: data from the Brisighella Heart Study. J Endocrinol Invest. 2011;34:e158–62.PubMed
49.
go back to reference Greenman Y, Rouach V, Limor R, Gilad S, Stern N. Testosterone is a strong correlate of ghrelin levels in men and postmenopausal women. Neuroendocrinology. 2009;89:79–85.PubMedCrossRef Greenman Y, Rouach V, Limor R, Gilad S, Stern N. Testosterone is a strong correlate of ghrelin levels in men and postmenopausal women. Neuroendocrinology. 2009;89:79–85.PubMedCrossRef
Metadata
Title
Ghrelin levels in chronic periodontitis patients
Authors
Gülin Yılmaz
Fatma Yeşim Kırzıoğlu
Duygu Kumbul Doğuç
Havva Koçak
Hikmet Orhan
Publication date
01-01-2014
Publisher
Springer Japan
Published in
Odontology / Issue 1/2014
Print ISSN: 1618-1247
Electronic ISSN: 1618-1255
DOI
https://doi.org/10.1007/s10266-012-0100-3

Other articles of this Issue 1/2014

Odontology 1/2014 Go to the issue