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Cardiac Natriuretic...
Cardiac Natriuretic Peptides, Obesity, and Insulin Resistance: Evidence from Two Community-Based Studies.
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Khan, Abigail May (author)
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Cheng, Susan (author)
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- Magnusson, Martin (author)
- Lund University,Lunds universitet,Kardiovaskulär forskning - hypertoni,Forskargrupper vid Lunds universitet,Cardiovascular Research - Hypertension,Lund University Research Groups
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Larson, Martin G (author)
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Newton-Cheh, Christopher (author)
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McCabe, Elizabeth L (author)
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Coviello, Andrea D (author)
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Florez, Jose C (author)
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Fox, Caroline S (author)
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Levy, Daniel (author)
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Robins, Sander J (author)
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Arora, Pankaj (author)
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Bhasin, Shalender (author)
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Lam, Carolyn S P (author)
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Vasan, Ramachandran S (author)
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- Melander, Olle (author)
- Lund University,Lunds universitet,Kardiovaskulär forskning - hypertoni,Forskargrupper vid Lunds universitet,Cardiovascular Research - Hypertension,Lund University Research Groups
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Wang, Thomas J (author)
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(creator_code:org_t)
- The Endocrine Society, 2011
- 2011
- English.
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In: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 96:10, s. 3242-3249
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http://www.ncbi.nlm....
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Abstract
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- Background: The natriuretic peptides play an important role in salt homeostasis and blood pressure regulation. It has been suggested that obesity promotes a relative natriuretic peptide deficiency, but this has been a variable finding in prior studies and the cause is unknown. Aim: The aim of this study was to examine the association between obesity and natriuretic peptide levels and evaluate the role of hyperinsulinemia and testosterone as mediators of this interaction. Methods: We studied 7770 individuals from the Framingham Heart Study (n = 3833, 54% women) and the Malmö Diet and Cancer study (n = 3918, 60% women). We examined the relation of plasma N-terminal pro-B-type natriuretic peptide levels (N-BNP) with obesity, insulin resistance, and various metabolic subtypes. Results: Obesity was associated with 6-20% lower levels of N-BNP (P < 0.001 in Framingham, P = 0.001 in Malmö), whereas insulin resistance was associated with 10-30% lower levels of N-BNP (P < 0.001 in both cohorts). Individuals with obesity who were insulin sensitive had only modest reductions in N-BNP compared with nonobese, insulin-sensitive individuals. On the other hand, individuals who were nonobese but insulin resistant had 26% lower N-BNP in Framingham (P < 0.001) and 10% lower N-BNP in Malmö (P < 0.001), compared with nonobese and insulin-sensitive individuals. Adjustment for serum-free testosterone did not alter these associations. Conclusions: In both nonobese and obese individuals, insulin resistance is associated with lower natriuretic peptide levels. The relative natriuretic peptide deficiency seen in obesity could be partly attributable to insulin resistance, and could be one mechanism by which insulin resistance promotes hypertension.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
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- By the author/editor
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Khan, Abigail Ma ...
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Cheng, Susan
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Magnusson, Marti ...
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Larson, Martin G
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Newton-Cheh, Chr ...
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McCabe, Elizabet ...
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show more...
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Coviello, Andrea ...
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Florez, Jose C
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Fox, Caroline S
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Levy, Daniel
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Robins, Sander J
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Arora, Pankaj
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Bhasin, Shalende ...
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Lam, Carolyn S P
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Vasan, Ramachand ...
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Melander, Olle
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Wang, Thomas J
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show less...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Endocrinology an ...
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Lund University