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Serum lipoprotein Lp(a) in obesity. 1992

M Donatelli, and S Verga, and M Vaccaro, and V Russo, and M L Bucalo, and A Scarpinato
Istituto di Clinica Medica I, Università degli Studi, Palermo, Italy.

Lipoprotein(a) [Lp(a)] has been added to the list of independent risk factors for cardiovascular disease (CVD), whose incidence is greater in obese subjects. There are few data available on the serum Lp(a) concentrations in obese individuals with or without insulin dependent diabetes mellitus (NIDDM). We selected 31 obese men with normal glucose tolerance (NGT) tests, 15 obese diabetic men, 14 non obese diabetic men and 17 healthy men as controls. We measured serum total cholesterol, HDL cholesterol, triglycerides, glucose, insulin and Lp(a). The mean Lp(a) levels in NGT obese men were 70.00 +/- 13.40 mg/l, which were similar to those found in normal controls (75.98 +/- 24.70 mg/l); significantly higher mean Lp(a) levels were found in obese diabetic men (168.84 +/- 56.43 mg/l) and in non obese diabetic men (240.85 +/- 63.35 mg/l). No significant correlation between Lp(a) levels and age, body mass index (BMI), total cholesterol, HDL cholesterol, triglycerides, insulin, was found; only a significant positive correlation between Lp(a) levels and glucose could be revealed (P < 0.05). Since higher levels of Lp(a) were found in NIDDM subjects with or without obesity, we conclude that hyperglycemia may influence the levels of serum Lp(a) facilitating its glycosylation in the liver with the consequence of a decline in its catabolic rate.

UI MeSH Term Description Entries
D007328 Insulin A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1). Iletin,Insulin A Chain,Insulin B Chain,Insulin, Regular,Novolin,Sodium Insulin,Soluble Insulin,Chain, Insulin B,Insulin, Sodium,Insulin, Soluble,Regular Insulin
D008076 Cholesterol, HDL Cholesterol which is contained in or bound to high-density lipoproteins (HDL), including CHOLESTEROL ESTERS and free cholesterol. High Density Lipoprotein Cholesterol,Cholesterol, HDL2,Cholesterol, HDL3,HDL Cholesterol,HDL(2) Cholesterol,HDL(3) Cholesterol,HDL2 Cholesterol,HDL3 Cholesterol,alpha-Lipoprotein Cholesterol,Cholesterol, alpha-Lipoprotein,alpha Lipoprotein Cholesterol
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009765 Obesity A status with BODY WEIGHT that is grossly above the recommended standards, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY).
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D002318 Cardiovascular Diseases Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM. Adverse Cardiac Event,Cardiac Events,Major Adverse Cardiac Events,Adverse Cardiac Events,Cardiac Event,Cardiac Event, Adverse,Cardiac Events, Adverse,Cardiovascular Disease,Disease, Cardiovascular,Event, Cardiac
D002784 Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. Epicholesterol
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
D005951 Glucose Tolerance Test A test to determine the ability of an individual to maintain HOMEOSTASIS of BLOOD GLUCOSE. It includes measuring blood glucose levels in a fasting state, and at prescribed intervals before and after oral glucose intake (75 or 100 g) or intravenous infusion (0.5 g/kg). Intravenous Glucose Tolerance,Intravenous Glucose Tolerance Test,OGTT,Oral Glucose Tolerance,Oral Glucose Tolerance Test,Glucose Tolerance Tests,Glucose Tolerance, Oral

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