1. Teede H, Deeks A, Moran L. Polycystic ovary syndrome: a complex condition with psychological, reproductive and metabolic manifestations that impacts on health across the lifespan. BMC Med 2010; 8: 1-10.
2. Hull M. Epidemiology of infertility and polycystic ovarian disease: Endocrinological and demographic studies. Gynecol Endocrinol 1987; 1: 235-245.
3. Norman RJ, Dewailly D, Legro RS, Hickey TE. Polycystic ovary syndrome. Lancet 2007; 370: 685-697.
4. Oakley O, Lin P-C, Bridges P, Ko C. Animal models for the study of polycystic ovarian syndrome. Endocrinol Metab 2011; 26: 193-202.
5. Lea RW, Clark JA, Tsutsui K. Changes in central steroid receptor expression, steroid synthesis, and dopaminergic activity related to the reproductive cycle of the ring dove. Microsc Res Tech 2001; 55: 12-26.
6. Ozawa H. Steroid hormones, their receptors and neuroendocrine system. J Nippon Med Sch 2005; 72: 316-325.
7. Pastor CL, Griffin-Korf ML, Aloi JA, Evans WS, Marshall JC. Polycystic ovary syndrome: Evidence for reduced sensitivity of the gonadotropin-releasing hormone pulse generator to inhibition by estradiol and progesterone. J Clin Endocrinol Metab 1998; 83: 582-590.
8. Firmansyah A, Chalid MT, Farid RB, Nusratuddin N. The correlation between insulin-like growth factor binding protein 1 (IGFBP-1) and homeostasis model assessment of insulin resistance (HOMA-IR) in polycystic ovarian syndrome with insulin resistance. Int J Reprod Biomed 2018; 16: 679–682.
9. Nagamani M, Stuart CA. Specific binding sites for insulin-like growth factor I in the ovarian stroma of women with polycystic ovarian disease and stromal hyperthecosis. Am J Obstet Gynecol 1990; 163: 1992-1997.
10. Homburg R, Pariente C, Lunenfeld B, Jacobs H. The role of insulin-like growth factor-1 (IGF-1) and IGF binding protein-1 (IGFBP-1) in the pathogenesis of polycystic ovary syndrome. Hum Reprod 1992; 7: 1379-1383.
11. Moghetti P, Castello R, Negri C, Tosi F, Perrone F, Caputo M, et al. Metformin effects on clinical features, endocrine and metabolic profiles, and insulin sensitivity in polycystic ovary syndrome: A randomized, double-blind, placebo-controlled 6-Month trial, followed by open, long-term clinical evaluation. J Clin Endocrinol Metab 2000; 85: 139-146.
12. Simard J, Luthy I, Guay J, Belanger A, Labrie F. Characteristics of interaction of the antiandrogen flutamide with the androgen receptor in various target tissues. Mol Cell Endocrinol 1986; 44: 261-270.
13. Marcondes JA, Minnani SL, Luthold WW, Wajchenberg BL, Samojlik E, Kirschner MA. Treatment of hirsutism in women with flutamide. Fertil Steril 1992; 57: 543-547.
14. Moghetti P, Tosi F, Tosti A, Negri C, Misciali C, Perrone F, et al. Comparison of spironolactone, flutamide, and finasteride efficacy in the treatment of hirsutism: A randomized, double blind, placebo-controlled trial. J Clin Endocrinol Metab 2000; 85: 89-94.
15. Ibáñez L, de Zegher F. Low-dose flutamide-metformin therapy for hyperinsulinemic hyperandrogenism in non-obese adolescents and women. Hum Reprod Update 2006; 12: 243-252.
16. Ibáñez L, Valls C, Ferrer A, Ong K, Dunger DB, de Zegher F. Additive effects of insulin-sensitizing and anti-androgen treatment in young, nonobese women with hyperinsulinism, hyperandrogenism, dyslipidemia, and anovulation. J Clin Endocrinol Metab 2002; 87: 2870-2874.
17. De Leo V, Lanzetta D, D’Antona D, la Marca A, Morgante G. Hormonal effects of flutamide in young women with polycystic ovary syndrome. J Clin Endocrinol Metab 1998; 83: 99-102.
18. Wirth M, Fröhner M. A review of studies of hormonal adjuvant therapy in prostate cancer. Eur Urol. 1999; 36: 14-19.
19. Gomez J-L, Dupont A, Cusan L, Tremblay M, Suburu R, Lemay M, et al. Incidence of liver toxicity associated with the use of flutamide in prostate cancer patients. Am J Med 1992; 92: 465-470.
20. Wallace C, Lalor E, Chik CL. Hepatotoxicity complicating flutamide treatment of hirsutism. Ann Intern Med 1993; 119: 1150.
21. Ovesna Z, Vachalkova A, Horvathova K, Tothova D. Pentacyclic triterpenoic acids: New chemoprotective compounds Minireview. Neoplasma 2004; 51: 327-333.
22. Liby KT, Yore MM, Sporn MB. Triterpenoids and rexinoids as multifunctional agents for the prevention and treatment of cancer. Nat Rev Cancer 2007; 7: 357-369.
23. Bradford PG, Awad AB. Phytosterols as anticancer compounds. Mol Nutr Food Res 2007; 51: 161-170.
24. Saleem M, Murtaza I, Witkowsky O, Kohl AM, Maddodi N. Lupeol triterpene, a novel diet-based microtubule targeting agent: Disrupts survivin/cFLIP activation in prostate cancer cells. Biochem Biophys Res Commun 2009; 388: 576-582.
25. Saleem M. Lupeol, a novel anti-inflammatory and anti-cancer dietary triterpene. Cancer Lett 2009; 285: 109-115.
26. Fernández MA, de las Heras B, Garcia MD, Sáenz MT, Villar A. New insights into the mechanism of action of the anti‐inflammatory triterpene lupeol. J Pharm Pharmacol 2001; 53: 1533-1539.
27. Murtaza I, Saleem M, Adhami VM, Hafeez BB, Mukhtar H. Suppression of cFLIP by lupeol, a dietary triterpene, is sufficient to overcome resistance to TRAIL-mediated apoptosis in chemoresistant human pancreatic cancer cells. Cancer Res 2009; 69: 1156-1165.
28. Lee TK, Poon RT, Wo JY, Ma S, Guan X-Y, Myers JN, et al. Lupeol suppresses cisplatin-induced nuclear factor-κB activation in head and neck squamous cell carcinoma and inhibits local invasion and nodal metastasis in an orthotopic nude mouse model. Cancer Res 2007; 67: 8800-8809.
29. Preetha S, Kanniappan M, Selvakumar E, Nagaraj M, Varalakshmi P. Lupeol ameliorates aflatoxin B1-induced peroxidative hepatic damage in rats. Comp Biochem Physiol C Toxicol Pharmacol. 2006; 143: 333-339.
30. Geetha T, Varalakshmi P, Latha RM. Effect of triterpenes from Crataeva nurvala stem bark on lipid peroxidation in adjuvant induced arthritis in rats. Pharmacol Res 1998; 37: 191-195.
31. Malekinejad H, Zeynali-Moghaddam S, Rezaei-Golmisheh A, Alenabi A, Malekinejad F, Alizadeh A, et al. Lupeol attenuated the NAFLD and PCOS-induced metabolic, oxidative, hormonal, histopathological, and molecular injuries in mice. Res Pharm Sci 2023; 18: 551-565.
32. Sudhahar V, Kumar SA, Varalakshmi P, Sujatha V. Protective effect of lupeol and lupeol linoleate in hypercholesterolemia associated renal damage. Mol Cell Biochem 2008; 317: 11-20.
33. Ahmed Y, Sohrab MH, Al-Reza SM, Tareq FS, Hasan CM, Sattar M. Antimicrobial and cytotoxic constituents from leaves of Sapium baccatum. Food Chem Toxicol 2010; 48: 549-552.
34. Saleem M, Kweon M-H, Yun J-M, Adhami VM, Khan N, Syed DN, et al. A novel dietary triterpene Lupeol induces fas-mediated apoptotic death of androgen-sensitive prostate cancer cells and inhibits tumor growth in a xenograft model. Cancer Res 2005; 65: 11203-11213.
35. Siddique HR, Mishra SK, Karnes RJ, Saleem M. Lupeol, a novel androgen receptor inhibitor: implications in prostate cancer therapy. Clin Cancer Res 2011; 17: 5379-5391.
36. Wang X, Gu L, Zhang Y, Xiong C, Peng Y, Ding X. Effects of dehydroepiandrosterone alone or in combination with a high-fat diet and antibiotic cocktail on the heterogeneous phenotypes of PCOS mouse models by regulating gut microbiota. Front Endocrinol 2022; 13: 1030151.
37. Tilly JL. Ovarian follicle counts–not as simple as 1, 2, 3. Reprod Biol Endocrinol 2003; 1: 1-4.
38. Townson DH, Combelles CM. Ovarian follicular atresia: Intech Open Access; 2012.p.43-76.
39. Zhang X, Zhang C, Shen S, jie Xia Y, Yi L, Gao Q, et al. Dehydroepiandrosterone induces ovarian and uterine hyperfibrosis in female rats. Hum Reprod 2013; 28: 3074-3085.
40. Kondou H, Mushiake S, Etani Y, Miyoshi Y, Michigami T, Ozono K. A blocking peptide for transforming growth factor-β1 activation prevents hepatic fibrosis in vivo. J Hepatol 2003; 39:742-748.
41. Kuwahara F, Kai H, Tokuda K, Kai M, Takeshita A, Egashira K, et al. Transforming growth factor-β function blocking prevents myocardial fibrosis and diastolic dysfunction in pressure-overloaded rats. Circulation 2002; 106: 130-135.
42. Benzie IF, Strain J. Ferric reducing/antioxidant power assay: Direct measure of total antioxidant activity of biological fluids and modified version for simultaneous measurement of total antioxidant power and ascorbic acid concentration. Enzymol 1999; 299: 15-27.
43. Niehaus W, Samuelsson B. Formation of malonaldehyde from phospholipid arachidonate during microsomal lipid peroxidation. Eur J Biochem 1968; 6: 126-130.
44. Lowry OH, Rosebrough NJ, Farr AL, Randall RJ. Protein measurement with the Folin phenol reagent. J Biol Chem 1951; 193: 265-275.
45. Luo C, Zuñiga J, Edison E, Palla S, Dong W, Parker-Thornburg J. Superovulation strategies for 6 commonly used mouse strains. J Am Assoc Lab Anim Sci 2011; 50: 471-478.
46. Manas GE, Hasanzadeh S, Najafi G, Parivar K, Yaghmaei P. The effects of pyridaben pesticide on the DNA integrity of sperms and early in vitro embryonic development in mice. Iran J Reprod Med 2013; 11: 605-610.
47. Solorzano CMB, Beller JP, Abshire MY, Collins JS, McCartney CR, Marshall JC. Neuroendocrine dysfunction in polycystic ovary syndrome. Steroids 2012; 77: 332-337.
48. Eagleson CA, Gingrich MB, Pastor CL, Arora TK, Burt CM, Evans WS, et al. Polycystic ovarian syndrome: Evidence that flutamide restores sensitivity of the gonadotropin-releasing hormone pulse generator to inhibition by estradiol and progesterone. J Clin Endocrinol Metab 2000; 85: 4047-4052.
49. Group REASPCW. Revised 2003 consensus on diagnostic criteria and long‐term health risks related to polycystic ovary syndrome (PCOS). Human Reprod 2004; 19:41-47.
50. Wang Q, Kim JY, Xue K, Liu J-y, Leader A, Tsang BK. Chemerin, a novel regulator of follicular steroidogenesis and its potential involvement in polycystic ovarian syndrome. Endocrinology 2012; 153: 5600-5611.
51. Himelstein-Braw R, Byskov AG, Peters H, Faber M. Follicular atresia in the infant human ovary. Reproduction 1976; 46: 55-59.
52. Bulut G, Kurdoglu Z, Dönmez YB, Kurdoglu M, Erten R. Effects of jnk inhibitor on inflammation and fibrosis in the ovary tissue of a rat model of polycystic ovary syndrome. Int J Clin Exp Pathol. 2015; 8: 8774.
53. Zangeneh FZ, Naghizadeh MM, Masoumi M. Polycystic ovary syndrome and circulating inflammatory markers. Int J Reprod Biomed 2017; 15: 375.
54. González F, Rote NS, Minium J, Kirwan JP. Reactive oxygen species-induced oxidative stress in the development of insulin resistance and hyperandrogenism in polycystic ovary syndrome. J Clin Endocrinol Metab 2006; 91: 336-340.
55. Diamanti-Kandarakis E, Dunaif A. Insulin resistance and the polycystic ovary syndrome revisited: an update on mechanisms and implications. Endocr Rev 2012; 33: 981-1030.
56. Mohammadi M. Oxidative stress and polycystic ovary syndrome: a brief review. Int J Prev Med 2019; 10: 86-92.
57. Attard G, Richards J, de Bono JS. New strategies in metastatic prostate cancer: targeting the androgen receptor signaling pathway. Clin Cancer Res 2011; 17: 1649-1657.
58. Sziksz E, Pap D, Lippai R, Béres NJ, Fekete A, Szabó AJ, et al. Fibrosis related inflammatory mediators: role of the IL-10 cytokine family. Mediators Inflamm 2015; 2015:764641
59. Lucetti DL, Lucetti EC, Bandeira MAM, Veras HN, Silva AH, Leal LKA, et al. Anti-inflammatory effects and possible mechanism of action of lupeol acetate isolated from Himatanthus drasticus (Mart.) Plumel. J Inflamm 2010; 7: 1-11.
60. Sudhahar V, Kumar SA, Varalakshmi P, Sundarapandiyan R. Mitigating role of lupeol and lupeol linoleate on hepatic lipemic-oxidative injury and lipoprotein peroxidation in experimental hypercholesterolemia. Mol Cell Biochem 2007; 295: 189-198.