1) 日本小児泌尿器科学会学術委員会 (編) : 停留精巣診療ガイドライン. 日小児泌会誌14 : 117─152, 2006
2) Kleisner K, Ivell R and Flegr J : The evolutionary history of testicular externalization and the origin of the scrotum. J Biosci 35 : 27─37, 2010
3) Lovegrove BG : Cool sperm : why some placental mammals have a scrotum. J Evol Biol 27 : 801─814, 2014
4) Widlak W and Vydra N : The Role of Heat Shock Factors in Mammalian Spermatogenesis. Adv Anat Embryol Cell Biol 222 : 45─65, 2017
5) Hutson JM, Thorup JM and Beasley SW : Descent of the Testis : Springer International Publishing, Switzerland, 2016
6) O'Hara L and Smith LB : Androgen receptor roles in spermatogenesis and infertility. Best Pract Res Clin Endocrinol Metab 29 : 595─605, 2015
7) de Rooij DG : The nature and dynamics of spermatogonial stem cells. Development 144 : 3022─3030, 2017
8) Fedder J, Cruger D, Oestergaard B, et al : Etiology of azoospermia in 100 consecutive nonvasectomized men. Fertil Steril 82 : 1463─1465, 2004
9) Mizuno K, Hayashi Y, Kojima Y, et al : Influence for testicular development and histological peculiarity in the testes of flutamide-induced cryptorchid rat model. Int J Urol 14 : 67─72, 2007
10) Mizuno K, Hayashi Y, Kojima Y, et al : Early orchiopexy improves subsequent testicular development and spermatogenesis in the experimental cryptorchid rat model. J Urol 179 : 1195─1199, 2008
11) Mizuno K, Hayashi Y, Kojima Y, et al : Activation of NF-kappaB associated with germ cell apoptosis in testes of experimentally induced cryptorchid rat model. Urology 73 : 389─393, 2009
12) Mizuno K, Kojima Y, Kurokawa S, et al : Altered expression and localization of estrogen receptors alpha and beta in the testes of a cryptorchid rat model. Urology 77 : e251─256, 2011
13) Kurokawa S, Kojima Y, Mizuno K, et al : Effect of epidermal growth factor on spermatogenesis in the cryptorchid rat. J Urol 174 : 2415─2419, 2005
14) Kamisawa H, Kojima Y, Mizuno K, et al : Spermatogenesis after 1-stage fowler-stephens orchiopexy in experimental cryptorchid rat model. J Urol 183 : 2380─2384, 2010
15) Kamisawa H, Kojima Y, Mizuno K, et al : Attenuation of spermatogonial stem cell activity in cryptorchid testes. J Urol 187 : 1047─1052, 2012
16) Moritoki Y, Hayashi Y, Mizuno K, et al : Expression profiling of microRNA in cryptorchid testes : miR-135a contributes to the maintenance of spermatogonial stem cells by regulating FoxO1. J Urol 191 : 1174─1180, 2014
17) Nishio H, Hayashi Y, Moritoki Y, et al : Distinctive changes in histone H3K4 modification mediated via kdm5a expression in spermatogonial stem cells of cryptorchid testes. J Urol 191 : 1564─1572, 2014
18) Haller A : Hernia congenita. Opuscula pathologica. Lausanne : Marci-Michael. Bosquet & Soc, pp53─59, 1755
19) Hunter J : A description of the situation of the testis in the foetus, with its descent into the scrotum. pp1─26, Observations on certain parts of the animal oeconomy, London, 1786
20) Tackett LD, Patel SR and Caldamone AA : A history of cryptorchidism : lessons from the eighteenth century. J Pediatr Urol 3 : 426─432, 2007
21) Park K and Choi H : An evolution of orchiopexy : historical aspect. Korean J Urol 51 : 155─160, 2010
22) Shehata SM, Shehata SM and A Baky Fahmy M : The intra-abdominal testis : lessons from the past, and ideas for the future. Pediatr Surg Int 29 : 1039─1045, 2013
23) Cleland J : The mechanism of the gubernaculum testis, with an introductory sketch of the development of the testes, and an appendix on the purpose of their descent from the abdomen. p40, Maclachlan and Stewart, Edinburgh, 1856
24) Engle ET : Experimentally induced descent of the testis in the Macacus Monkey by hormones from the anterior pituitary and pregnancy urine. Endocrinology 16 : 515─520, 1932
25) Wensing CJ : Testicular descent in some domestic mammals. 3. Search for the factors that regulate the gubernacular reaction. Proc K Ned Akad Wet C 76 : 196─202, 1973
26) Hutson JM : A biphasic model for the hormonal control of testicular descent. Lancet 2 : 419─421, 1985
27) Zimmermann S, Steding G, Emmen JM, et al : Targeted disruption of the Insl3 gene causes bilateral cryptorchidism. Mol Endocrinol 13 : 681─691, 1999
28) Nef S and Parada LF : Cryptorchidism in mice mutant for Insl3. Nat Genet 22 : 295─299, 1999
29) Kojima Y, Mizuno K, Kohri K, et al : Advances in molecular genetics of cryptorchidism. Urology 74 : 571─578, 2009
30) 井村 誠, 水野健太郎, 黒川覚史, 他 : 両側精細管内悪性胚細胞を合併したAndrogen insensitivity syndrome. 日小児泌会誌22 : 64─68, 2013
31) Barthold JS, Wang Y, Kolon TF, et al : Pathway analysis supports association of nonsyndromic cryptorchidism with genetic loci linked to cytoskeleton-dependent functions. Hum Reprod 30 : 2439─2451, 2015
32) Dalgaard MD, Weinhold N, Edsgard D, et al : A genome-wide association study of men with symptoms of testicular dysgenesis syndrome and its network biology interpretation. J Med Genet 49 : 58─65, 2012
33) Wang Y, Li J, Kolon TF, et al : Genomic copy number variation association study in Caucasian patients with nonsyndromic cryptorchidism. BMC Urol 16 : 62, 2016
34) Moore CR : THE BEHAVIOR OF THE GERMINAL EPITHELIUM IN TESTIS GRAFTS AND IN EXPERIMENTAL CRYPTORCHID TESTES (RAT AND GUINEA PIG). Science 59 : 41─44, 1924
35) PAYNE JM : The degenerative changes in the adult mouse testis returned to the abdominal cavity. J Pathol Bacteriol 71 : 117─123, 1956
36) Nishimune Y, Aizawa S and Komatsu T : Testicular germ cell differentiation in vivo. Fertil Steril 29 : 95─102, 1978
37) Shono T, Zakaria O, Imajima T, et al : Pubertal genitofemoral nerve division induces testicular ascent in adult rats. J Pediatr Surg 34 : 346─348, 1999
38) Bergh A : Early morphological changes in the abdominal testes in immature unilaterally cryptorchid rats. Int J Androl 6 : 73─90, 1983
39) Dündar M, Kocak I, Culhaci N : A new experimental model for cryptorchidism : inguinoscrotal approach. Urol Res 29 : 178─181, 2001
40) McLachlan JA, Newbold RR and Bullock B : Reproductive tract lesions in male mice exposed prenatally to diethylstilbestrol. Science 190 : 991─992, 1975
41) Hadziselimović F and Guggenheim R : Transmission and scanning electron microscopy of epididymis in male mice receiving estrogen during gestation. Acta Biol Acad Sci Hung 31 : 133─139, 1980
42) Rajfer J and Walsh PC : Hormonal regulation of testicular descent : experimental and clinical observations. J Urol 118 : 985─990, 1977
43) Kogan BA, Gupta R and Juenemann KP : Fertility in cryptorchidism : further development of an experimental model. J Urol 137 : 128─131, 1987
44) Imajima T, Shono T, Zakaria O, et al : Prenatal phthalate causes cryptorchidism postnatally by inducing transabdominal ascent of the testis in fetal rats. J Pediatr Surg 32 : 18─21, 1997
45) Lee PC : Disruption of male reproductive tract development by administration of the xenoestrogen, nonylphenol, to male newborn rats. Endocrine 9 : 105─111, 1998
46) Wilson MJ : Inhibition of development of both androgen-dependent and androgen-independent pigment cells in scrotal skin dermis of the rat by antiandrogen treatment during fetal growth. Endocrinology 112 : 321─325, 1983
47) Husmann DA and McPhaul MJ : Time-specific androgen blockade with flutamide inhibits testicular descent in the rat. Endocrinology 129 : 1409─1416, 1991
48) Spencer JR, Torrado T, Sanchez RS, et al : Effects of flutamide and finasteride on rat testicular descent. Endocrinology 129 : 741─748, 1991
49) Shono T, Ramm-Anderson S, Goh DW, et al : The effect of flutamide on testicular descent in rats examined by scanning electron microscopy. J Pediatr Surg 29 : 839─844, 1994
50) Silversides DW, Price CA and Cooke GM : Effects of short-term exposure to hydroxyflutamide in utero on the development of the reproductive tract in male mice. Can J Physiol Pharmacol 73 : 1582─1588, 1995
51) Uda A, Kojima Y, Hayashi Y, et al : Morphological features of external genitalia in hypospadiac rat model : 3-dimensional analysis. J Urol 171 : 1362─1366, 2004
52) Kurokawa S, Kojima Y, Mizuno K, et al : Association of prolactin-induced protein with preputial development of hypospadias. BJU Int 109 : 926─932, 2012
53) Satokata I, Benson G and Maas R : Sexually dimorphic sterility phenotypes in Hoxa10-deficient mice. Nature 374 : 460─463, 1995
54) Hsieh-Li HM, Witte DP, Weinstein M, et al : Hoxa 11 structure, extensive antisense transcription, and function in male and female fertility. Development 121 : 1373─1385, 1995
55) Overbeek PA, Gorlov IP, Sutherland RW, et al : A transgenic insertion causing cryptorchidism in mice. Genesis 30 : 26─35, 2001
56) Li X, Nokkala E, Yan W, et al : Altered structure and function of reproductive organs in transgenic male mice overexpressing human aromatase. Endocrinology 142 : 2435─2442, 2001
57) Pask AJ, Kanasaki H, Kaiser UB, et al : A novel mouse model of hypogonadotrophic hypogonadism : N-ethyl-N-nitrosourea-induced gonadotropin-releasing hormone receptor gene mutation. Mol Endocrinol 19 : 972─981, 2005
58) Lei ZM, Mishra S, Zou W, et al : Targeted disruption of luteinizing hormone/human chorionic gonadotropin receptor gene. Mol Endocrinol 15 : 184─200, 2001
59) Zhang FP, Poutanen M, Wilbertz J, et al : Normal prenatal but arrested postnatal sexual development of luteinizing hormone receptor knockout (LuRKO) mice. Mol Endocrinol 15 : 172─183, 2001
60) Kaftanovskaya EM, Huang Z, Barbara AM, et al : Cryptorchidism in mice with an androgen receptor ablation in gubernaculum testis. Mol Endocrinol 26 : 598─607, 2012
61) Donaldson KM, Tong SY, Washburn T, et al : Morphometric study of the gubernaculum in male estrogen receptor mutant mice. J Androl 17 : 91─95, 1996
62) Cederroth CR, Schaad O, Descombes P, et al : Estrogen receptor alpha is a major contributor to estrogen-mediated fetal testis dysgenesis and cryptorchidism. Endocrinology 148 : 5507─5519, 2007
63) Lahoud MH, Ristevski S, Venter DJ, et al : Gene targeting of Desrt, a novel ARID class DNA-binding protein, causes growth retardation and abnormal development of reproductive organs. Genome Res 11 : 1327─1334, 2001
64) Caron KM, Soo SC, Wetsel WC, et al : Targeted disruption of the mouse gene encoding steroidogenic acute regulatory protein provides insights into congenital lipoid adrenal hyperplasia. Proc Natl Acad Sci USA 94 : 11540─11545, 1997
65) Cattanach BM, Iddon CA, Charlton HM, et al : Gonadotrophin-releasing hormone deficiency in a mutant mouse with hypogonadism. Nature 269 : 338─340, 1977
66) Charlton HM, Halpin DM, Iddon C, et al : The effects of daily administration of single and multiple injections of gonadotropin-releasing hormone on pituitary and gonadal function in the hypogonadal (hpg) mouse. Endocrinology 113 : 535─544, 1983
67) He WW, Kumar MV and Tindall DJ : A frame-shift mutation in the androgen receptor gene causes complete androgen insensitivity in the testicular-feminized mouse. Nucleic Acids Res 19 : 2373─2378, 1991
68) Lyon MF and Hawkes SG : X-linked gene for testicular feminization in the mouse. Nature 227 : 1217-1219, 1970
69) Mouhadjer N, Pointis G, Malassine A, et al : Testicular steroid sulfatase in a cryptorchid rat strain. J Steroid Biochem 34 : 555─558, 1989
70) Ikadai H, Ajisawa C, Tsujimura S, et al : A new male pseudohermaphrodite rat mutant with androgen deficiency. J Reprod Fertil 84 : 303─312, 1988
71) Ikeda M, Kodama H, Fukuda J, et al : Role of radical oxygen species in rat testicular germ cell apoptosis induced by heat stress. Biol Reprod 61 : 393─399, 1999
72) Ishikawa T, Kondo Y, Goda K, et al : Overexpression of endothelial nitric oxide synthase in transgenic mice accelerates testicular germ cell apoptosis induced by experimental cryptorchidism. J Androl 26 : 281─288, 2005
73) Hikim AP, Lue Y, Yamamoto CM, et al : Key apoptotic pathways for heat-induced programmed germ cell death in the testis. Endocrinology 144 : 3167─3175, 2003
74) Hadziselimovic F and Herzog B : The importance of both an early orchidopexy and germ cell maturation for fertility. Lancet 358 : 1156─1157, 2001
75) Skakkebaek NE, Rajpert-De Meyts E and Main KM : Testicular dysgenesis syndrome : an increasingly common developmental disorder with environmental aspects. Hum Reprod 16 : 972─978, 2001
76) van den Driesche S, Kilcoyne KR, Wagner I, et al : Experimentally induced testicular dysgenesis syndrome originates in the masculinization programming window. JCI Insight 2 : e91204, 2017
77) Skakkebaek NE, Rajpert-De Meyts E, Buck Louis GM, et al : Male Reproductive Disorders and Fertility Trends : Influences of Environment and Genetic Susceptibility. Physiol Rev 96 : 55─97, 2016
78) van den Driesche S, Kolovos P, Platts S, et al : Inter-relationship between testicular dysgenesis and Leydig cell function in the masculinization programming window in the rat. PLoS One 7 : e30111, 2012
79) van den Driesche S, McKinnell C, Calarrão A, et al : Comparative effects of di (n-butyl) phthalate exposure on fetal germ cell development in the rat and in human fetal testis xenografts. Environ Health Perspect 123 : 223─230, 2015
80) Ferguson L and Agoulnik AI : Testicular cancer and cryptorchidism. Front Endocrinol (Lausanne) 4 : 32, 2013
81) Mizuno K, Hayashi Y, Kamisawa H, et al : Expression analysis of the pluripotency marker UTF-1 for determining the applicability of testis-sparing surgery for prepubertal testis tumors. Journal of Pediatric Surgery Case Reports 1 : 125─128, 2013