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References

  • 1
    Medawar P: Some immunological and endocrinological problems raised by evolution of viviparity in vertebrates. Symp Soc Exp Biol 1953; 7:320328.
  • 2
    Billington WD: The immunological problem of pregnancy: 50 years with the hope of progress. A tribute to Peter Medawar. J Reprod Immunol 2003; 60:111.
  • 3
    Zenclussen AC, Schumacher A, Zenclussen ML, Wafula P, Volk HD: Immunology of pregnancy: cellular mechanisms allowing fetal survival within the maternal uterus. Expert Rev Mol Med 2007; 9:114.
  • 4
    Trowsdale J, Betz AG: Mother’s little helpers: mechanisms of maternal-fetal tolerance. Nat Immunol 2006; 7:241246.
  • 5
    Croy BA, Murphy SP: Maternal-fetal immunology. Immunol Invest 2008; 37:389394.
  • 6
    Seavey MM, Mosmann TR: Immunoregulation of fetal and anti-paternal immune responses. Immunol Res 2008; 40:97113.
  • 7
    Guleria I, Sayegh MH: Maternal acceptance of the fetus: true human tolerance. J Immunol 2007; 178:33453351.
  • 8
    Koch CA, Platt JL: T cell recognition and immunity in the fetus and mother. Cell Immunol 2007; 248:1217.
  • 9
    Moffett A, Loke C: Immunology of placentation in eutherian mammals. Nat Rev Immunol 2006; 6:584594.
  • 10
    Aluvihare VR, Kallikourdis M, Betz AG: Tolerance, suppression and the fetal allograft. J Mol Med 2005; 83:8896.
  • 11
    Carter AM, Enders AC: Comparative aspects of trophoblast development and placentation. Reprod Biol Endocrinol 2004; 2:46.
  • 12
    Enders AC, Carter AM: What can comparative studies of placental structure tell us? – a review. Placenta 2004; 25(Suppl. A):S3S9.
  • 13
    Carter AM, Enders AC, Jones CJ, Mess A, Pfarrer C, Pijnenborg R, Soma H: Comparative placentation and animal models: patterns of trophoblast invasion – a workshop report. Placenta 2006; 27(Suppl. A):S30S33.
  • 14
    North MJ, National Library of Medicine (U.S.). History of Medicine Division: The Horse a Mirror of Man: Parallels in Early Human and Horse Medicine. Bethesda, MD, U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2006.
  • 15
    Amoroso EC: Placentation. In Marshall’s Physiology of Reproduction, 3rd edn, ASParker (ed). London, Longmans Green, 1952, pp 127297.
  • 16
    Samuel CA, Allen WR, Steven DH: Ultrastructural development of the equine placenta. J Reprod Fertil Suppl 1975; 23:575578.
  • 17
    Samuel CA, Allen WR, Steven DH: Studies on the equine placenta II. Ultrastructure of the placental barrier. J Reprod Fertil 1976; 48:257264.
  • 18
    Ewart JC: A Critical Period in the Development of the Horse. London, Adam and Charles Black, 1897.
  • 19
    Enders AC, Liu IK: Trophoblast-uterine interactions during equine chorionic girdle cell maturation, migration, and transformation. Am J Anat 1991; 192:366381.
  • 20
    Allen WR, Hamilton DW, Moor RM: The origin of equine endometrial cups. II. Invasion of the endometrium by trophoblast. Anat Rec 1973; 177:485501.
  • 21
    Adams AP, Antczak DF: Ectopic transplantation of equine invasive trophoblast. Biol Reprod 2001; 64:753763.
  • 22
    Wooding FB, Morgan G, Fowden AL, Allen WR: A structural and immunological study of chorionic gonadotrophin production by equine trophoblast girdle and cup cells. Placenta 2001; 22:749767.
  • 23
    Schauder W: Untersuchungen uber die eithaute und Embryotrophe des pferdes. Arch Anat Physiol 1912; 192:259302.
  • 24
    Cole HH, Saunders FJ: The concentration of gonad-stimulating hormone in blood serum and of oestrin in the urine throughout pregnancy in the mare. Endocrinology 1935; 19:199208.
  • 25
    Allen WR, Moor RM: The origin of the equine endometrial cups. I. Production of PMSG by fetal trophoblast cells. J Reprod Fertil 1972; 29:313316.
  • 26
    Stewart F, Allen WR, Moor RM: Pregnant mare serum gonadotrophin ratio of follicle-stimulating hormone and luteinizing hormone activities measured by radioreceptor assay. J Endocrinol 1976; 71:371382.
  • 27
    Allen WR, Stewart F: Equine placentation. Reprod Fertil Dev 2001; 13:623634.
  • 28
    Squires EL, Ginther OJ: Follicular and luteal development in pregnant mares. J Reprod Fertil Suppl 1975; 23:429433.
  • 29
    Allen WR: Immunological aspects of the equine endometrial cup reaction. In Immunobiology of Trophoblast, RGEdwards, CWSHowe, MHJohnson (eds). Cambridge, Cambridge University Press, 1975, pp 217253.
  • 30
    Samuel CA, Allen WR, Steven DH: Studies on the equine placenta. I. Development of the microcotyledons. J Reprod Fertil 1974; 41:441445.
  • 31
    Allen WR: Maternal recognition of pregnancy and immunological implications of trophoblast-endometrium interactions in equids. In Maternal Recognition of Pregnancy, RBHeap (ed). London, Excerpta Medica, 1979, pp 323352.
  • 32
    Bacon SJ, Ellis SA, Antczak DF: Control of expression of major histocompatibility complex genes in horse trophoblast. Biol Reprod 2002; 66:16121620.
  • 33
    Donaldson WL, Oriol JG, Pelkaus CL, Antczak DF: Paternal and maternal major histocompatibility complex class I antigens are expressed co-dominantly by equine trophoblast. Placenta 1994; 15:123135.
  • 34
    Crump A, Donaldson WL, Miller J, Kydd JH, Allen WR, Antczak DF: Expression of major histocompatibility complex (MHC) antigens on horse trophoblast. J Reprod Fertil Suppl 1987; 35:379388.
  • 35
    Donaldson WL, Oriol JG, Plavin A, Antczak DF: Developmental regulation of class I major histocompatibility complex antigen expression by equine trophoblastic cells. Differentiation 1992; 52:6978.
  • 36
    Donaldson WL, Zhang CH, Oriol JG, Antczak DF: Invasive equine trophoblast expresses conventional class I major histocompatibility complex antigens. Development 1990; 110:6371.
  • 37
    Kydd JH, Butcher GW, Antczak DF, Allen WR: Expression of major histocompatibility complex (MHC) class 1 molecules on early trophoblast. J Reprod Fertil Suppl 1991; 44:463477.
  • 38
    Maher JK, Tresnan DB, Deacon S, Hannah L, Antczak DF: Analysis of MHC class I expression in equine trophoblast cells using in situ hybridization. Placenta 1996; 17:351359.
  • 39
    Kydd J, Miller J, Antczak DF, Allen WR: Maternal anti-fetal cytotoxic antibody responses of equids during pregnancy. J Reprod Fertil Suppl 1982; 32:361369.
  • 40
    Antczak DF, Bright SM, Remick LH, Bauman BE: Lymphocyte alloantigens of the horse. I. Serologic and genetic studies. Tissue Antigens 1982; 20:172187.
  • 41
    Antczak DF, Miller JM, Remick LH: Lymphocyte alloantigens of the horse. II. Antibodies to ELA antigens produced during equine pregnancy. J Reprod Immunol 1984; 6:283297.
  • 42
    Adams AP, Oriol JG, Campbell RE, Oppenheim YC, Allen WR, Antczak DF: The effect of skin allografting on the equine endometrial cup reaction. Theriogenology 2007; 68:237247.
  • 43
    Densmore TL, Goodnough LT, Ali S, Dynis M, Chaplin H: Prevalence of HLA sensitization in female apheresis donors. Transfusion 1999; 39:103106.
  • 44
    Regan L, Braude PR, Hill DP: A prospective study of the incidence, time of appearance and significance of anti-paternal lymphocytotoxic antibodies in human pregnancy. Hum Reprod 1991; 6:294298.
  • 45
    Apps R, Murphy SP, Fernando R, Gardner L, Ahad T, Moffett A: Human leucocyte antigen (HLA) expression of primary trophoblast cells and placental cell lines, determined using single antigen beads to characterize allotype specificities of anti-HLA antibodies. Immunology 2009; 127:2639.
  • 46
    Raghupathy R, Singh B, Leigh JB, Wegmann TG: The ontogeny and turnover kinetics of paternal H-2K antigenic determinants on the allogeneic murine placenta. J Immunol 1981; 127:20742079.
  • 47
    Davies CJ, Eldridge JA, Fisher PJ, Schlafer DH: Evidence for expression of both classical and non-classical major histocompatibility complex class I genes in bovine trophoblast cells. Am J Reprod Immunol 2006; 55:188200.
  • 48
    Holtz R, Choi JC, Petroff MG, Piskurich JF, Murphy SP: Class II transactivator (CIITA) promoter methylation does not correlate with silencing of CIITA transcription in trophoblasts. Biol Reprod 2003; 69:915924.
  • 49
    De Mestre A, Noronha L, Wagner B, Antczak DF: Split immunological tolerance to trophoblast. Int J Dev Biol 2010; 54:445455.
  • 50
    Hunziker RD, Lynch F, Shevach EM, Margulies DH: Split tolerance to the MHC class I molecule H-2Dd in animals transgenic for its soluble analog. Hum Immunol 1997; 52:8294.
  • 51
    Sprent J, Hurd M, Schaefer M, Heath W: Split tolerance in spleen chimeras. J Immunol 1995; 154:11981206.
  • 52
    Baker JM, Bamford AI, Antczak DF: Modulation of allospecific CTL responses during pregnancy in equids: an immunological barrier to interspecies matings? J Immunol 1999; 162:44964501.
  • 53
    Tafuri A, Alferink J, Moller P, Hammerling GJ, Arnold B: T cell awareness of paternal alloantigens during pregnancy. Science 1995; 270:630633.
  • 54
    Jiang SP, Vacchio MS: Multiple mechanisms of peripheral T cell tolerance to the fetal “allograft”. J Immunol 1998; 160:30863090.
  • 55
    Ait-Azzouzene D, Gendron MC, Houdayer M, Langkopf A, Burki K, Nemazee D, Kanellopoulos-Langevin C: Maternal B lymphocytes specific for paternal histocompatibility antigens are partially deleted during pregnancy. J Immunol 1998; 161:26772683.
  • 56
    Pejcic-Karapetrovic B, Gurnani K, Russell MS, Finlay BB, Sad S, Krishnan L: Pregnancy impairs the innate immune resistance to Salmonella typhimurium leading to rapid fatal infection. J Immunol 2007; 179:60886096.
  • 57
    Krishnan L, Guilbert LJ, Wegmann TG, Belosevic M, Mosmann TR: T helper 1 response against Leishmania major in pregnant C57BL/6 mice increases implantation failure and fetal resorptions. Correlation with increased IFN-gamma and TNF and reduced IL-10 production by placental cells. J Immunol 1996; 156:653662.
  • 58
    Avelino MM, Campos Jr D, Do Carmo Barbosa de Parada J, De Castro AM: Pregnancy as a risk factor for acute toxoplasmosis seroconversion. Eur J Obstet Gynecol Reprod Biol 2003; 108:1924.
  • 59
    Smith JL: Foodborne infections during pregnancy. J Food Prot 1999; 62:818829.
  • 60
    Ellis WA, Bryson DG, O’Brien JJ, Neill SD: Leptospiral infection in aborted equine foetuses. Equine Vet J 1983; 15:321324.
  • 61
    Givens MD, Marley MS: Infectious causes of embryonic and fetal mortality. Theriogenology 2008; 70:270285.
  • 62
    Lunn DP, Davis-Poynter N, Flaminio MJ, Horohov DW, Osterrieder K, Pusterla N, Townsend HG: Equine herpesvirus-1 consensus statement. J Vet Intern Med 2009; 23:450461.
  • 63
    Grunig 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; 16:539559.
  • 64
    Lea RG, Bolton AE: The effect of horse placental tissue extracts and equine chorionic gonadotrophin on the proliferation of horse lymphocytes stimulated in vitro. J Reprod Immunol 1991; 19:1323.
  • 65
    Flaminio MJ, Antczak DF: Inhibition of lymphocyte proliferation and activation: a mechanism used by equine invasive trophoblast to escape the maternal immune response. Placenta 2005; 26:148159.
  • 66
    Flaminio MJ, Yen A, Antczak DF: The proliferation inhibitory proteins p27(Kip1) and retinoblastoma are involved in the control of equine lymphocyte proliferation. Vet Immunol Immunopathol 2004; 102:363377.
  • 67
    Roth TL, White KL, Thompson Jr DL, Rahmanian S, Horohov DW: Involvement of interleukin 2 receptors in conceptus-derived suppression of T and B cell proliferation in horses. J Reprod Fertil 1992; 96:309322.
  • 68
    Hunt JS, Vassmer D, Ferguson TA, Miller L: Fas ligand is positioned in mouse uterus and placenta to prevent trafficking of activated leukocytes between the mother and the conceptus. J Immunol 1997; 158:41224128.
  • 69
    Mellor AL, Munn DH: Immunology at the maternal-fetal interface: lessons for T cell tolerance and suppression. Annu Rev Immunol 2000; 18:367391.
  • 70
    Xu C, Mao D, Holers VM, Palanca B, Cheng AM, Molina H: A critical role for murine complement regulator crry in fetomaternal tolerance. Science 2000; 287:498501.
  • 71
    Cunningham DS, Tichenor Jr JR: Decay-accelerating factor protects human trophoblast from complement-mediated attack. Clin Immunol Immunopathol 1995; 74:156161.
  • 72
    Tsampalas M, Gridelet V, Berndt S, Munaut C, Foidart JM, Geenen V, D’Hauterive SP: HCG: a hormone with immunological and angiogenic properties. J Reprod Immunol 2010; 85:9398.
  • 73
    Watson ED: Suppression of lymphocyte reactivity by culture supernatant from horse embryos and endometrium. Biol Reprod 1990; 42:294300.
  • 74
    Watson ED, Zanecosky HG: Regulation of mitogen- and TCGF-induced lymphocyte blastogenesis by prostaglandins and supernatant from equine embryos and endometrium. Res Vet Sci 1991; 51:6165.
  • 75
    Aluvihare VR, Kallikourdis M, Betz AG: Regulatory T cells mediate maternal tolerance to the fetus. Nat Immunol 2004; 5:266271.
  • 76
    Zenclussen AC, Gerlof K, Zenclussen ML, Ritschel S, Zambon Bertoja A, Fest S, Hontsu S, Ueha S, Matsushima K, Leber J, Volk HD: Regulatory T cells induce a privileged tolerant microenvironment at the fetal-maternal interface. Eur J Immunol 2006; 36:8294.
  • 77
    Sasaki Y, Darmochwal-Kolarz D, Suzuki D, Sakai M, Ito M, Shima T, Shiozaki A, Rolinski J, Saito S: Proportion of peripheral blood and decidual CD4(+) CD25(bright) regulatory T cells in pre-eclampsia. Clin Exp Immunol 2007; 149:139145.
  • 78
    Tilburgs T, Roelen DL, Van Der Mast BJ, De Groot-Swings GM, Kleijburg C, Scherjon SA, Claas FH: Evidence for a selective migration of fetus-specific CD4+CD25bright regulatory T cells from the peripheral blood to the decidua in human pregnancy. J Immunol 2008; 180:57375745.
  • 79
    Oliveira LJ, Hansen PJ: Deviations in populations of peripheral blood mononuclear cells and endometrial macrophages in the cow during pregnancy. Reproduction 2008; 136:481490.
  • 80
    Murphy SP, Tayade C, Ashkar AA, Hatta K, Zhang J, Croy BA: Interferon gamma in successful pregnancies. Biol Reprod 2009; 80:848859.
  • 81
    Hunt JS, Fishback JL, Chumbley G, Loke YW: Identification of class I MHC mRNA in human first trimester trophoblast cells by in situ hybridization. J Immunol 1990; 144:44204425.
  • 82
    Moffett-King A: Natural killer cells and pregnancy. Nat Rev Immunol 2002; 2:656663.
  • 83
    Kovats S, Main EK, Librach C, Stubblebine M, Fisher SJ, DeMars R: A class I antigen, HLA-G, expressed in human trophoblasts. Science 1990; 248:220223.
  • 84
    Pierce JG, Parsons TF: Glycoprotein hormones: structure and function. Annu Rev Biochem 1981; 50:465495.
  • 85
    Fiddes JC, Talmadge K: Structure, expression, and evolution of the genes for the human glycoprotein hormones. Recent Prog Horm Res 1984; 40:4378.
  • 86
    De Mestre AM, Miller D, Roberson MS, Liford J, Chizmar LC, McLaughlin KE, Antczak DF: Glial cells missing homologue 1 is induced in differentiating equine chorionic girdle trophoblast cells. Biol Reprod 2009; 80:227234.
  • 87
    Antczak DF, Oriol JG, Donaldson WL, Poleman C, Stenzler L, Volsen SG, Allen WR: Differentiation molecules of the equine trophoblast. J Reprod Fertil Suppl 1987; 35:371378.
  • 88
    De Mestre AM, Bacon SJ, Costa CC, Leadbeater JC, Noronha LE, Stewart F, Antczak DF: Modeling trophoblast differentiation using equine chorionic girdle vesicles. Placenta 2008; 29:158169.
  • 89
    Carpenter S, Baker JM, Bacon SJ, Hopman T, Maher J, Ellis SA, Antczak DF: Molecular and functional characterization of genes encoding horse MHC class I antigens. Immunogenetics 2001; 53:802809.
  • 90
    Ellis SA, Martin AJ, Holmes EC, Morrison WI: At least four MHC class I genes are transcribed in the horse: phylogenetic analysis suggests an unusual evolutionary history for the MHC in this species. Eur J Immunogenet 1995; 22:249260.
  • 91
    Gustafson AL, Tallmadge RL, Ramlachan N, Miller D, Bird H, Antczak DF, Raudsepp T, Chowdhary BP, Skow LC: An ordered BAC contig map of the equine major histocompatibility complex. Cytogenet Genome Res 2003; 102:189195.
  • 92
    Tallmadge RL, Lear TL, Antczak DF: Genomic characterization of MHC class I genes of the horse. Immunogenetics 2005; 57:763774.
  • 93
    Tallmadge RL, Campbell JA, Miller DC, Antczak DF: Analysis of MHC class I genes across horse MHC haplotypes. Immunogenetics 2010; 62:159172.
  • 94
    Lazary S, Antczak DF, Bailey E, Bell TK, Bernoco D, Byrns G, McClure JJ: Joint report of the Fifth International Workshop on lymphocyte alloantigens of the horse, Baton Rouge, Louisiana, 31 October–1 November 1987. Anim Genet 1988; 19:447456.
  • 95
    Carney NJ, Squires EL, Cook VM, Seidel Jr GE, Jasko DJ: Comparison of pregnancy rates from transfer of fresh versus cooled, transported equine embryos. Theriogenology 1991; 36:2332.
  • 96
    Robertson SA, Sharkey DJ: The role of semen in induction of maternal immune tolerance to pregnancy. Semin Immunol 2001; 13:243254.
  • 97
    Coutinho da Silva MA: When should a mare go for assisted reproduction? Theriogenology 2008; 70:441444.
  • 98
    Wade CM, Giulotto E, Sigurdsson S, Zoli M, Gnerre S, Imsland F, Lear TL, Adelson DL, Bailey E, Bellone RR, Blocker H, Distl O, Edgar RC, Garber M, Leeb T, Mauceli E, MacLeod JN, Penedo MC, Raison JM, Sharpe T, Vogel J, Andersson L, Antczak DF, Biagi T, Binns MM, Chowdhary BP, Coleman SJ, Della Valle G, Fryc S, Guerin G, Hasegawa T, Hill EW, Jurka J, Kiialainen A, Lindgren G, Liu J, Magnani E, Mickelson JR, Murray J, Nergadze SG, Onofrio R, Pedroni S, Piras MF, Raudsepp T, Rocchi M, Roed KH, Ryder OA, Searle S, Skow L, Swinburne JE, Syvanen AC, Tozaki T, Valberg SJ, Vaudin M, White JR, Zody MC, Lander ES, Lindblad-Toh K: Genome sequence, comparative analysis, and population genetics of the domestic horse. Science 2009; 326:865867.
  • 99
    Glaser KE, Sun Q, Wells MT, Nixon AJ: Development of a novel equine whole transcript oligonucleotide GeneChip microarray and its use in gene expression profiling of normal articular-epiphyseal cartilage. Equine Vet J 2009; 41:663670.
  • 100
    Mienaltowski MJ, Huang L, Frisbie DD, McIlwraith CW, Stromberg AJ, Bathke AC, Macleod JN: Transcriptional profiling differences for articular cartilage and repair tissue in equine joint surface lesions. BMC Med Genomics 2009; 2:60.
  • 101
    Gu W, Bertone AL: Generation and performance of an equine-specific large-scale gene expression microarray. Am J Vet Res 2004; 65:16641673.
  • 102
    Ramery E, Closset R, Art T, Bureau F, Lekeux P: Expression microarrays in equine sciences. Vet Immunol Immunopathol 2009; 127:197202.
  • 103
    Wagner B, Hillegas JM, Brinker DR, Horohov DW, Antczak DF: Characterization of monoclonal antibodies to equine interleukin-10 and detection of T regulatory 1 cells in horses. Vet Immunol Immunopathol 2008; 122:5764.
  • 104
    Wagner B, Hillegas JM, Flaminio MJ, Wattrang E: Monoclonal antibodies to equine interferon-alpha (IFN-alpha): new tools to neutralize IFN-activity and to detect secreted IFN-alpha. Vet Immunol Immunopathol 2008; 125:315325.
  • 105
    Wagner B, Hillegas JM, Antczak DF: A monoclonal antibody to equine interleukin-4. Vet Immunol Immunopathol 2006; 110:363367.
  • 106
    Wagner B, Robeson J, McCracken M, Wattrang E, Antczak DF: Horse cytokine/IgG fusion proteins--mammalian expression of biologically active cytokines and a system to verify antibody specificity to equine cytokines. Vet Immunol Immunopathol 2005; 105:114.
  • 107
    Wagner B, Freer H: Development of a bead-based multiplex assay for simultaneous quantification of cytokines in horses. Vet Immunol Immunopathol 2009; 127:242248.
  • 108
    Rouas-Freiss N, Gonçalves RM-B, Menier C, Dausset J, Carosella ED: Direct evidence to support the role of HLA-G in protecting the fetus from maternal uterine natural killer cytolysis. Proc Natl Acad Sci USA 1997; 94:1152011525.
  • 109
    Viveiros MM, Antczak DF: Characterization of equine natural killer and IL-2 stimulated lymphokine activated killer cell populations. Dev Comp Immunol 1999; 23:521532.
  • 110
    Lunn DP, McClure JT, Schobert CS, Holmes MA: Abnormal patterns of equine leucocyte differentiation antigen expression in severe combined immunodeficiency foals suggests the phenotype of normal equine natural killer cells. Immunology 1995; 84:495499.
  • 111
    Vagnoni KE, Schram BR, Ginther OJ, Lunn DP: Susceptibility of equine chorionic girdle cells to lymphokine-activated killer cell activity. Am J Reprod Immunol 1996; 36:184190.
  • 112
    Croy BA, Waterfield A, Wood W, King GJ: Normal murine and porcine embryos recruit NK cells to the uterus. Cell Immunol 1988; 115:471480.
  • 113
    Antczak DF, Allen WR: Invasive trophoblast in the genus Equus. Ann Immunol (Paris) 1984; 135D:325331.
  • 114
    Allen WR, Kydd JH, Boyle MS, Antczak DF: Extraspecific donkey-in-horse pregnancy as a model of early fetal death. J Reprod Fertil Suppl 1987; 35:197209.
  • 115
    Allen WR: Immunological aspects of the endometrial cup reaction and the effect of xenogeneic pregnancy in horses and donkeys. J Reprod Fertil Suppl 1982; 31:5794.
  • 116
    Antczak DF, Allen WR: A non-genetic developmental defect in trophoblast formation in the horse: immunological aspects of a model of early abortion. In Early Pregnancy Loss: Mechanisms and Treatment; Proc 18th Study Group of the Royal College of Obstetricians and Gynaecologists, RWBeard, FSharp (eds). Ashton-under-Lyme, Lancs., Peacock Press, 1988, pp 123140.
  • 117
    Enders AC, Meadows S, Stewart F, Allen WR: Failure of endometrial cup development in the donkey-in-horse model of equine abortion. J Anat 1996; 188(Pt 3):575589.
  • 118
    Bouters R, Spincemaille J, Vandeplassche M, Bonte P, Coryn M: [Implantation, fetal development and PMSG production in twin mares after mating with their chimeric twin brother]. Verh K Acad Geneeskd Belg 1978; 40:253268.
  • 119
    Spincemaille J, Bouters R, Vandeplassche M, Bonte P: Some aspects of endometrial cup formation and PMSG production. J Reprod Fertil Suppl 1975; 23:415418.
  • 120
    Hinrichs K: Equine cloning. Vet Clin North Am Equine Pract 2006; 22:857866.
  • 121
    Willis LA, Riddle WT: Theriogenology question of the month. Endometrial cups. J Am Vet Med Assoc 2005; 226:877879.
  • 122
    Allen WR, Kölling M, Wilsher S: An interesting case of early pregnancy loss in a mare with persistent endometrial cups. Equine Vet Educ 2007; 19:539544.
  • 123
    Gammill HS, Nelson JL: Naturally acquired microchimerism. Int J Dev Biol 2010; 54:531543.