Interrelations and associations of serum levels of steroids and pituitary hormones with markers of insulin resistance, inflammatory activity, and renal function in men and women aged >70 years in an 8-year longitudinal study of opposite-sex twins

Bélanger, 1994, Changes in serum concentrations of conjugated and unconjugated steroids in 40- to 80-year-old men, J Clin Endocrinol Metab, 79, 1086, 10.1210/jc.79.4.1086 Lamberts, 1997, The endocrinology of aging, Science, 278, 419, 10.1126/science.278.5337.419 Orentreich, 1992, Longterm longitudinal measurements of plasma dehydroepiandrosterone sulfate in normal men, J Clin Endocrinol Metab, 75, 1002, 10.1210/jc.75.4.1002 Van Cauter, 1996, Effects of gender and age on the levels and circadian rhythmicity of plasma cortisol, J Clin Endocrinol Metab, 81, 2468, 10.1210/jc.81.7.2468 Vermeulen, 1995, Ageing of the hypothalamo-pituitary-testicular axis in men, Horm Res, 43, 25, 10.1159/000184233 Vermeulen, 1996, Influence of some biological indexes on sex hormone-binding globulin and androgen levels in aging or obese males, J Clin Endocrinol Metab, 81, 1821, 10.1210/jc.81.5.1821 Cederlöf, 1978, The Swedish Twin Registry, 189 Gold, 2002, Gender and health: A study of older unlike-sex twins, J Gerontol B Psychol Sci Soc Sci, 57, S168, 10.1093/geronb/57.3.S168 1992 Nilsson, 2003, Biochemical values in persons older than 82 years of age: Report from a population-based study of twins, Scand J Clin Lab Invest, 63, 1, 10.1080/00365510310000420 1995 Meden-Vrtovec, 1988, Periovulatory serum prolactin and progesteron secretion in gonadotropin stimulated cycles, Acta Eur Fertil, 19, 213 Missmer, 2006, Reproducibility of plasma steroid hormones, prolactin, and insulin-like growth factor levels among premenopausal women over a 2- to 3-year period, Cancer Epidemiol Biomarkers Prev, 15, 972, 10.1158/1055-9965.EPI-05-0848 Braun, 1995, Effect of twinship on incidence of cancer of the testis, breast, and other sites (Sweden), Cancer Causes Control, 6, 519, 10.1007/BF00054160 Unden, 2002, IGF-I in a normal population: Relation to psychosocial factors, Clin Endocrinol (Oxf), 57, 793, 10.1046/j.1365-2265.2002.01671.x 1991 Westberg, 2004, Polymorphisms in oestrogen and progesterone receptor genes: Possible influence on prolactin levels in women, Clin Endocrinol (Oxf), 61, 216, 10.1111/j.1365-2265.2004.02083.x Jain, 2004, Progesterone, but not 17beta-estradiol, increases TNF-alpha secretion in U937 monocytes, Cytokine, 26, 102, 10.1016/j.cyto.2004.01.002 Schneider, 2003, Androgens and antiandrogens, Ann N Y Acad Sci, 997, 292, 10.1196/annals.1290.033 Crandall, 2006, Cross-sectional association between markers of inflammation and serum sex steroid levels in the postmenopausal estrogen/progestin interventions trial, J Womens Health (Larchmt), 15, 14, 10.1089/jwh.2006.15.14 Gorodeski, 2002, Update on cardiovascular disease in post-menopausal women, Best Pract Res Clin Obstet Gynaecol, 16, 329, 10.1053/beog.2002.0282 Heiss, 2008, Health risks and benefits 3 years after stopping randomized treatment with estrogen and progestin, JAMA, 299, 1036, 10.1001/jama.299.9.1036 Howard, 2004, Postmenopausal hormone therapy is associated with atherosclerosis progression in women with abnormal glucose tolerance, Circulation, 110, 201, 10.1161/01.CIR.0000134955.93951.D5 Jeanes, 2006, Medroxyprogesterone acetate inhibits the cardioprotective effect of estrogen in experimental ischemiareperfusion injury, Menopause, 13, 80, 10.1097/01.gme.0000196593.44335.eb Picard, 2002, Progesterone receptor knockout mice have an improved glucose homeostasis secondary to betacell proliferation, Proc Natl Acad Sci U S A, 99, 15644, 10.1073/pnas.202612199 Wassmann, 2006, Pathophysiological regulation of the AT1-receptor and implications for vascular disease, J Hypertens Suppl, 24, S15, 10.1097/01.hjh.0000220402.53869.72 Schumacher, 2007, Novel perspectives for progesterone in hormone replacement therapy, with special reference to the nervous system, Endocr Rev, 28, 387, 10.1210/er.2006-0050 Parker, 2000, Effects of aging on adrenal function in the human: Responsiveness and sensitivity of adrenal androgens and cortisol to adrenocorticotropin in premenopausal and postmenopausal women, J Clin Endocrinol Metab, 85, 48, 10.1210/jc.85.1.48 Chilton, 2005, Prolactin and growth hormone signaling, Curr Top Dev Biol, 68, 1, 10.1016/S0070-2153(05)68001-5 Serri, 2006, The influences of hyperprolactinemia and obesity on cardiovascular risk markers: Effects of cabergoline therapy, Clin Endocrinol (Oxf), 64, 366 Raaz, 2006, Increased prolactin in acute coronary syndromes as putative Co-activator of ADP-stimulated P-selectin expression, Horm Metab Res, 38, 767, 10.1055/s-2006-955090 Wallaschofski, 2006, Enhanced platelet activation by prolactin in patients with ischemic stroke, Thromb Haemost, 96, 38, 10.1160/TH05-09-0634 Glasow, 1996, Functional aspects of the effect of prolactin (PRL) on adrenal steroidogenesis and distribution of the PRL receptor in the human adrenal gland, J Clin Endocrinol Metab, 81, 3103, 10.1210/jc.81.8.3103 Hügl, 2007, Prolactin stimulates proliferation of the glucose-dependent beta-cell line INS-1 via different IRS-proteins, JOP, 8, 739 Orbach, 2007, Hyperprolactinemia and autoimmune diseases, Autoimmun Rev, 6, 537, 10.1016/j.autrev.2006.10.005 Qazi, 2006, Ligand-independent homo- and heterodimerization of human prolactin receptor variants: Inhibitory action of the short forms by heterodimerization, Mol Endocrinol, 20, 1912, 10.1210/me.2005-0291 Juul, 2002, Androgens and the ageing male, Hum Reprod Update, 8, 423, 10.1093/humupd/8.5.423 Tibblin, 1996, The pituitary-gonadal axis and health in elderly men: A study of men born in 1913, Diabetes, 45, 1605, 10.2337/diabetes.45.11.1605