Placenta
Volume 30, Issue 12 , Pages 1005-1015 , December 2009

A Review of Implantation and Early Placentation in the Mare

  • W.R. Allen

      Affiliations

    • Corresponding Author InformationCorresponding author. Tel.: +44 (0) 1638 730 166; fax: +44 (0) 5601 533 265.
    • ,
  • S. Wilsher

,Accepted 21 September 2009.

References 

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  2. Stout TAE, Allen WR. Role of prostaglandins in intrauterine migration of the equine conceptus. Reproduction. 2001;121:771–775
  3. Oriol JG, Betteridge KJ, Clarke AJ, Sharom FJ. Mucin-like glycoproteins in the equine embryonic capsule. Mol Reprod Dev. 1993;34:255–265
  4. Betteridge KJ. The structure and function of the equine capsule in relation to embryo manipulation and transfer. Equine Vet J. 1989;(Suppl 8):92–100
  5. Ginther OJ. Mobility of early equine conceptus. Theriogenology. 1983;19:603–611
  6. Stout TAE, Meadows S, Allen WR. Stage-specific formation of the equine blastocyst capsule is instrumental to hatching and to embryonic survival in vivo. Anim Reprod Sci. 2005;87:269–281
  7. Stewart F, Charleston B, Crossett B, Barker PJ, Allen WR. A novel uterine protein that associates with the blastocyst capsule in equids. J Reprod Fert. 1995;105:65–70
  8. McDowell KJ, Sharp DC, Fazleabas AT, Roberts RM. Two-dimensional polyacrylamide gel electrophoresis of protein synthesised and released by conceptus and endometria from pony mares. J Reprod Fert. 1990;89:107–115
  9. Rivera del Alamo MM, Reilas T, Kindahl H, Katila T. Mechanisms behind intrauterine device-induced luteal persistence in mares. Anim Reprod Sci. 2008;107:94–106
  10. Neely DP, Kindahl H, Stabenfeldt GH, Edqvist LE, Hughes JP. Prostaglandin release patterns in the mare: physiological, pathophysiological and therapeutic responses. J Reprod Fert. 1979;(Suppl 27):181–189
  11. Ginther OJ. Fixation and orientation of the early equine conceptus. Theriogenology. 1983;19:613–623
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  13. Ginther OJ. Dynamic physical interactions between the equine embryo and uterus. Equine Vet J. 1985;(Suppl 3):41–47
  14. Wilsher SA, Ousey JO, Allen WR. Abnormal umbilical cord attachment sites in the mare: a review illustrated by 3 case reports. Equine Vet J, in press, doi:10.2746/042516409X471728.
  15. Tremoleda JL, Stout TAE, Lagutina I, Lazzari G, Bevers MM, Colenbrander B, et al. Effects of in vitro production on horse embryo morphology, cytoskeletal characteristics, and blastocyst capsule formation. Biol Reprod. 2003;69:1895–1906
  16. Oriol JG, Sharom FJ, Betteridge KJ. Developmentally regulated changes in the glycoproteins of the equine embryonic capsule. J Reprod Fert. 1993;99:653–664
  17. Ewart JC. A critical period in the development of the horse. London: Adam and Charles Black; 1987;
  18. van Niekerk CH. The early diagnosis of pregnancy, the development of the foetal membranes and nidation in the mare. J S Afr Med Vet Ass. 1965;36:483–488
  19. Allen WR, Moor RM. The origin of the equine endometrial cups. I. Production of PMSG by fetal trophoblast cells. J Reprod Fert. 1972;29:313–316
  20. Allen WR, Hamilton DW, Moor RM. The origin of the equine endometrial cups. II. Invasion of the endometrium by trophoblast. Anat Rec. 1973;177:485–502
  21. Morris LH-A, Allen WR. Reproductive efficiency of intensively managed Thoroughbred mares in Newmarket. Equine Vet J. 2002;34:51–60
  22. Crump A, Donaldson WL, Miller J, Miller J, Kydd JH, Allen WR, et al. Expression of major histo-compatability complex (MHC) antigens on horse trophoblast. J Reprod Fert. 1987;(Suppl 35):379–388
  23. Antczak DF, Poleman JC, Stenzler L, Volsen SG, Allen WR. Differentiation molecules of the equine trophoblast. J Reprod Fert. 1987;(Suppl 35):371–378
  24. Wooding FBP, Morgan G, Fowden AL, Allen WR. A structural and immunological study of chorionic gonadotrophin production by equine trophoblast and cup cells. Placenta. 2001;22:749–767
  25. Schauder W. Untersuchungen uber die eithaute und Embryotrophe des pferdes. Arch Anat Physiol. 1912;259–302
  26. Clegg MT, Boda JM, Cole HH. The endometrial cups and allanto-chorionic pouches in the mare with emphasis on the source of equine gonadotropin. Endocrinology. 1954;54:448–463
  27. Grünig G, Triplett L, Canady LK, Allen WR, Antczak DF. The maternal leucocyte response to the endometrial cups in horses is correlated with the developmental stages of the invasive trophoblast cells. Placenta. 1995;16:539–543
  28. Kydd J, Butcher GW, Antczak DF, Allen WR. Expression of major histocompatibility complex (MHC) Class I molecules on the early equine trophoblast. J Reprod Fert. 1991;(Suppl 44):463–477
  29. Gospodarowicz D. Purification and physicochemical properties of the pregnant mare serum gonadotrophin (PMSG). Endocrinology. 1972;91:101–106
  30. Stewart F, Allen WR, Moor RM. Pregnant mare serum gonadotrophin: ratio of follicle-stimulating hormone and luteinizing hormone activities measured by radioreceptor assay. J Endocr. 1976;71:371–382
  31. Squires EL, Ginther OJ. Follicular and luteal development in pregnant mares. J Reprod Fert Suppl. 1975;23:429–433
  32. Amoroso EC. Placentation. In:  Parker AS editors. Marshall's physiology of reproduction. 3rd ed. London: Longmans Green; 1952;p. 127–297
  33. Whitwell KE. Morphology and pathology of the equine umbilical cord. J Reprod Fert. 1975;(Suppl 23):599–603
  34. Whitwell KE, Jeffcott LB. Morphological studies on the fetal membranes of the normal singleton foal at term. Res Vet Sci. 1975;19:44–45
  35. Steven DH. Placentation in the mare. J Reprod Fert. 1992;(Suppl 31):41–55
  36. Urwin VE, Allen WR. Pituitary and chorionic gonadotrophin control of ovarian function during early pregnancy in equids. J Reprod Fert. 1982;(Suppl 32):371–382
  37. Allen WR. Maternal recognition and maintenance of pregnancy in the mare. Anim Reprod. 2006;2:209–223
  38. Allen WR. Immunological aspects of the equine endometrial cup reaction and the effect of xenogeneic pregnancy in horses and donkeys. J Reprod Fert. 1982;(Suppl 31):57–94
  39. Stewart F, Lennard SN, Allen WR. Mechanisms controlling formation of the equine chorionic girdle. Biol Reprod. 1995;(Monograph Series 1):151–159
  40. Lennard SN, Stewart F, Allen WR. Transforming growth factor β1 (TGF β1) expression in the endometrium of the mare during placentation. Mol Reprod Develop. 1995;42:131–140
  41. Lennard SN, Gerstenberg C, Allen WR, Stewart F. Expression of epidermal growth factor and its receptor in equine placental tissues. J Reprod Fert. 1998;112:49–57
  42. Gerstenberg C, Allen WR, Stewart F. Factors controlling epidermal growth factor (EGF) gene expression in the endometrium of the mare. Mol Reprod Dev. 1999;53:255–265
  43. Evain-Brion D, Alsat E. Epidermal growth factor receptor and human feto-placental development. J Pediatr Endocrinol. 1994;7:295–302
  44. Maruo T, Matsuo H, Otani T, Modizuki M. Role of epidermal growth factor (EGF) and its receptor in the development of the human placenta. Reprod Fertil Dev. 1995;7:1465–1470
  45. Allen WR, Pashen RL. Production of monozygotic (identical) horse twins by embryo manipulation. J Reprod Fert. 1984;71:607–613
  46. Wilsher S, Allen WR. The effects of maternal age and parity on placental and fetal development in the mare. Equine Vet J. 2003;35:476–483
  47. Rossdale PD, Silver M. The concept of readiness for birth. J Reprod Fert. 1982;(Suppl 32):507–510
  48. Bracher V, Mathias S, Allen WR. Influence of chronic degenerative endometritis (endometrosis) on placental development in the mare. Equine Vet J. 1996;28:180–188

PII: S0143-4004(09)00303-8

doi: 10.1016/j.placenta.2009.09.007

Placenta
Volume 30, Issue 12 , Pages 1005-1015 , December 2009

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