Species and fetal gender effects on the endocrinology of pregnancy in elephants

General and Comparative Endocrinology

Volumn 138, Issue 3, 2004, Pages 263-270

  Meyer, Jordana M ^a   Walker, Susan L ^a   Freeman, Elizabeth W ^a   Steinetz, Bernard G ^b   Brown, Janine L ^a  

^a SMITHSONIAN CONSERVATION BIOLOGY INSTITUTE   (United States)

^b NEW YORK UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Cortisol; Elephant; Hormones; Pregnancy; Progestins; Prolactin; Relaxin

Indexed keywords

GESTAGEN; HYDROCORTISONE; PROLACTIN; RELAXIN;

ANIMAL EXPERIMENT; ARTICLE; CHILDBIRTH; CONTROLLED STUDY; DATA ANALYSIS; ELEPHANT; FEMALE; GENETIC VARIABILITY; GESTATION PERIOD; MALE; MOLECULAR RECOGNITION; NONHUMAN; PREGNANCY; PRIORITY JOURNAL;

EID: 4444255629     PISSN: 00166480     EISSN: 10956840     Source Type: Journal    
DOI: 10.1016/j.ygcen.2004.06.010     Document Type: Article

References (46)

1. W.R. Allen, S. Mathias, F.B.P. Wodding, and R.J. van Aarde Placentation in the African elephant, Loxodonta africana: I. endocrinological aspects Reprod. Suppl. 60 2002 105 116
2. W.R. Allen, S. Mathias, F.B.P. Wodding, and R.J. van Aarde Placentation in the African elephant (Loxodonta africana): II morphological changes in the uterus and placenta throughout gestation Placenta 24 2003 598 617
3. E.C. Amoroso, and J.B. Perry The foetal membranes and placenta of the African elephant (Loxodonta africana) Proc. R. Soc. B 248 1964 1 34
4. J.D. Brannian, F. Griffin, H. Papkoff, and P.F. Terranova Short and long phases of progesterone secretion during the oestrous cycle of the African elephant (Loxodonta africana) J. Reprod. Fertil. 84 1988 357 365
5. J.L. Brown Reproductive endocrine monitoring of elephants: An essential tool for assisting captive management Zoo Biol. 19 2000 347 368
6. J.L. Brown, and J. Lehnhardt Serum and urinary hormones during pregnancy and the peri- and postpartum period in an Asian elephant (Elephas maximus) Zoo Biol. 14 1995 555 564
7. J.L. Brown, and J. Lehnhardt Secretory patterns of serum prolactin in Asian (Elephas maximus) and African (Loxodonta africana) elephants during different reproductive states: comparison with concentrations in a non-cycling African elephant Zoo Biol. 16 1997 149 159
8. J.L. Brown, S.L. Walker, and T. Moeller Comparative endocrinology of cycling and noncycling Asian (Elephas maximus) and African (Loxodonta africana) elephants Gen. Comp. Endocr. 136 2004 360 370
9. J.L. Brown, D.L. Schmitt, A. Bellem, L.H. Graham, and J. Lehnhardt Hormone secretion in the Asian elephant (Elephas maximus): characterization of ovulatory and anovulatory LH surges Biol. Reprod. 61 1999 1294 1299
10. J.L. Brown, F. Goeritz, N. Pratt-Hawkes, R. Hermes, M. Galloway, L.H. Graham, C. Gray, S.L. Walker, A. Gomez, R. Moreland, S. Murray, D.L. Schmitt, J.G. Howard, J. Lehnhardt, B. Beck, A. Bellem, R. Montali, and T.B. Hildebrandt Successful artificial insemination of an Asian elephant at the National Zoological Park Zoo Biol. 23 2004 45 64
11. T.R. Brown Steroid hormones, overview E. Knobil J. Neill Encyclopedia of Reproduction vol. I 1999 Academic Press New York 6354 6644
12. J.R.G. Challis, and A.N. Brooks Maturation and activation of hypothalamic pituitary adrenal function in fetal sheep Endocr. Rev. 10 1989 182 204
13. J. Challis, D. Slobada, S. Matthews, A. Holloway, N. Alfaidy, D. Howe, M. Fraser, and J. Newnham Fetal hypothalamic-pituitary adrenal (HPA) development and activation as a determinant of the timing of birth, and of postnatal disease Endocr. Rev. 26 2000 489 504
14. K.A. Cooper, J.D. Harder, D.H. Clawson, D.L. Fredrick, G.A. Lodge, H.C. Peachey, T.J. Spellmire, and D.P. Winstel Serum testosterone and musth in captive male African and Asian elephants Zoo Biol. 9 1990 297 306
15. D.J. de Villiers, J.D. Skinner, and A.J. Hall-Martin Circulating progesterone concentrations and ovarian functional anatomy in the African elephant (Loxodonta africana) J. Reprod. Fertil. 86 1989 195 201
16. C. Duer, M. Carden, D. Schmitt, and T. Tomasi Utility of maternal serum total testosterone analysis for fetal gender determination in Asian elephants (Elephas maximus) Anim. Reprod. Sci. 69 2002 47 52
17. C.A.H. Foley, S. Papageorge, and S.K. Wasser Noninvasive stress and reproductive measures of social and ecological pressures in free-ranging African elephants Cons. Biol. 15 2001 1134 1142
18. J.A. Glickman, and J.R.G. Chalis The changing response pattern of sheep fetal adrenal cells throughout the course of gestation Endocrinology 106 1980 1371 1376
19. L. Graham, F. Schwarzenberger, E. Mostl, W. Galama, and A. Savage A versatile enzyme immunoassay for the determination of progestrogens in feces and urine Zoo Biol. 20 2001 227 236
20. M. Heistermann, B. Trohorsch, and J.K. Hodges Assessment of ovarian function in the African elephant (Loxodonta africana) by measurement of 5α-reduced progesterone metabolites in serum and urine Zoo Biol. 16 1997 273 284
21. J.K. Hodges Endocrinology of the ovarian cycle and pregnancy in the Asian (Elephas maximus) and African elephant (Loxodonta africana) Anim. Reprod. Sci 53 1998 3 18
22. J.K. Hodges, M. Heistermann, A. Beard, and R.J. van Aarde Concentrations of progesterone and the 5α-reduced progestins, 5α-pregnane-3,20- dione and 3α-hydroxy-5α-pregnan-20-one, in luteal tissue and circulating blood and their relationship to luteal function in the African elephant, Loxodonta africana Biol. Reprod. 56 1997 640 646
23. J.K. Hodges, A.S. McNeilly, and D.F. Hess Circulating hormones during pregnancy in the Asian (Elephas maximus) and African elephant (Loxodonta africana): a diagnostic test based on the measurement of prolactin Int. Zoo Yrbk. 26 1987 285 289
24. D.L. Hess, A.M. Schmidt, and M.J. Schmidt Reproductive cycle of the Asian elephant (Elephas maximus) in captivity Biol. Reprod. 28 1983 767 773
25. T.B. Hildebrandt, F. Göritz, N.C. Pratt, J.L. Brown, R.J. Montali, D.L. Schmitt, G. Fritsch, and R. Hermes Ultrasonography of the urogenital tract in elephants (Loxodonta africana and Elephas maximus): an important tool for assessing female reproductive function Zoo Biol. 19 2000 321 332
26. J.N. Ingram, G. Shaw, and M.B. Renfree Cortisol in fetal fluids and the fetal adrenal at parturition in the tammar wallaby (Macropus eugenii) Biol. Reprod. 60 1999 651 655
27. H.G. Kattesh, G.A. Baumbach, B.B. Gillespie, J.F. Schneider, and J.T. Murai Distribution between protein-bound and free forms of plasma cortisol in the gilt and fetal pig near term Biol. Neonate 72 1997 192 200
28. N. Kapustin, J.K. Critser, D. Olson, and P.V. Malven Nonluteal estrous cycles of 3-week duration are initiated by anovulatory luteinizing hormone peaks in African elephants Biol. Reprod. 55 1996 1147 1154
29. D.I.H. Linzer Placental lactogens E. Knobil J. Neill Encyclopedia of Reproduction vol. I 1999 Academic Press New York 874 881
30. A.S. McNeilly, R.D. Martin, J.K. Hodges, and G.L. Smuts Blood concentrations of gonadotrophins, prolactin and gonadal steroids in males and in non-pregnant and pregnant female African elephants (Loxodonta africana) J. Reprod. Fertil. 67 1983 113 120
31. C.A. Niemuller, C. Gray, E. Cummings, and R.M. Liptrap Plasma concentrations of immunoreactive relaxin and progesterone in the pregnant Asian elephant (Elephas maximus) Anim. Reprod. Sci. 53 1998 119 131
32. J.H. Olsen, C.L. Chen, M.M. Boules, L.S. Morris, and V.R. Coville Determination of reproductive cyclicity and pregnancy in elephant: luteinizing hormone and progesterone cycles in African (Loxodonta africana) and Asian (Elephas maximus) elephants Biol. Reprod. 38 1994 309 334
33. E.D. Plotka, U.S Seal, F.R. Zarembka, L.G. Simmons, A. Teare, L.G. Phillips, K.C. Hinshaw, and D.G. Wood Ovarian function in the elephant: luteinizing hormone and progesterone cycles in African and Asian elephants Biol. Reprod. 38 1988 309 314
34. L.H. Rees, P.M. Jack, A.L. Thomas, and P.W. Nathanielsz Role of foetal adrenocorticotrophin during parturition in sheep Nature 253 1975 274 275
35. Rhodes, R.C., 2004. The physiology of gestation and parturition. Dairy Integrated Reproductive Manager. Available from < http://www.wvu.edu/~exten/ infores/pubs/livepoul/dirm3.pdf . Accessed: March 5, 2004
36. F. Schwarzenberger, G. Strauss, H.-O. Hoppen, W. Schaftenaar, S.J. Dieleman, W. Zenker, and O. Pagan Evaluation of progesterone and 20-oxo-progestagens in the plasma of Asian (Elephas maximus) and African (Loxodonta africana) elephants Zoo Biol. 16 1997 403 413
37. O.D. Sherwood, C.C. Chang, G.W. Bevier, and P.J. Dziuk Radioimmunoassay of plasma relaxin levels throughout pregnancy and parturition in the pig Endocrinology 97 1975 834 837
38. O.D. Sherwood, V.E. Crnekovic, W.L. Gordon, and J.E. Rutherford Radioimmunoassay of relaxin throughout pregnancy and during parturition in the rat Endocrinology 107 1980 691 698
39. N.S. Smith, and I.O. Buss Formation, function and persistence of the corpora lutea of the African elephant (Loxodonta africana) J. Mammol. 56 1975 30 43
40. B.G. Steinetz, E.E. Bullesbach, L.T. Goldsmith, C. Schwabe, and G. Lust Use of synthetic canine relaxin to develop a rapid homologous radioimmunoassay Biol. Reprod. 54 1996 1252 1260
41. D.R. Stewart Development of a homologous equine relaxin radioimmunoassay Endocrinology 119 1984 1100 1104
42. D.R. Stewart, G.H. Stabenfeldt, D.M. Hughes, and D.M. Meagher Determination of the source of equine relaxin Biol. Reprod. 27 1982 17 24
43. K. Taya, H. Komura, M. Kondoh, Y. Otgawa, K. Nakada, G. Watanabe, S. Sasamoto, K. Tanabe, K. Saito, H. Tajima, and E. Narushima Concentrations of progesterone, testosterone and estradiol-17β in the serum during the estrous cycle of Asian elephants (Elephas maximus) Zoo Biology 10 1991 299 307
44. G.D. Thorburn, and G.C. Liggins Role of the fetal pituitary-adrenal-axis and placenta in the initiation of parturition G.E. Lamming Marshall's Physiology of Reproduction vol. 3 1994 Chapman and Hall London 1003 1036
45. G.D. Thorburn, S.A. Hollingworth, and S.B. Hooper The trigger for parturition in sheep: fetal hypothalamus or placenta? J. Dev. Physiol. 15 1991 71 79
46. S.K. Wasser, S.L. Monfort, J. Southers, and D.E. Wildt Excretion rates and metabolites of oestradiol and progesterone in baboon (Papio cynocephalus cynocephalus) faeces J. Reprod. Fertil. 101 1994 213 220