Mechanisms of twinning: V. Conjoined twins, stem cells and the calcium model

Journal of Reproductive Medicine for the Obstetrician and Gynecologist

Volumn 47, Issue 4, 2002, Pages 313-321

  Steinman, Gary ^a  

^a NONE   (United States)

Author keywords

Calcium; Stem cells; Twins; Twins, conjoined

Indexed keywords

CALCIUM; ORAL CONTRACEPTIVE AGENT;

ARTICLE; BODY WEIGHT; CALCIUM BLOOD LEVEL; CALCIUM METABOLISM; CONJOINED TWINS; CONTROLLED STUDY; ENVIRONMENTAL FACTOR; FEMALE; HUMAN; MONOZYGOTIC TWINS; OVULATION; PREGNANCY; PRIORITY JOURNAL; STEM CELL;

EID: 0036233592     PISSN: 00247758     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (99)

1. Conjoined twins in Hungary, 1970-1986
2. Conjoined twins
3. A case of thoracopagus: Conjoined twins
4. Conjoined twinning in swine
5. Anencephaly with incomplete twinning
6. Prenatal diagnosis of dicephalous conjoined twins in a triplet pregnancy
7. Dicephalus: Unusual case of conjoined twins and its prepartum diagnosis
8. Thoracopygopagus tripus: An unusual form of conjoined twins
9. Diprosopus with associated malformations
10. Partial caudal duplication in a newborn associated with meningomyelocele and complex heart anomaly
11. The mechanism initiating and controlling monozygotic twinning in humans remains to be elucidated
12. Symmetrical conjoined twins: An analysis of the birth records of twenty-two sets
13. Conjoined twins: Theoretical embryologic basis
14. Theoretical and analytical embryology of conjoined twins: Part I. Embryogenesis
15. Theoretical and analytical embryology of conjoined twins: Part 11. Adjustments to union
16. Sonographic and doppler assessment
17. The biology of twinning and assisted reproduction
18. Multiple pregnancy and fetal abnormalities in association with oral contraceptive usage
19. Fetal loss, twinning and birthweight after oral contraceptive use
20. Increasing trend in monozygotic twinning rate
21. Increased monozygotic twinning rate after ovulation induction
22. Mechanisms of twinning: I. Effect of environmental diversity on genetic expression in monozygotic multifetal pregnancies
23. Mechanisms of twinning: II. Laterality and intercellular bonding in monozygotic twinning
24. Mechanisms of twinning: III. Placentation, calcium reduction, and modified compaction
25. Mechanisms of twinning: IV. Gender preference and lactation
26. Does anovulation induced by oral contraceptives favor pregnancy during the following two menstrual cycles?
27. Ovulatory cycles, pregnancy outcome and complications after surgical treatment of polycystic ovary syndrome
28. Significance of low body weight in ovulatory dysfunction after stopping oral contraceptives
29. Are there two types of postpill anovulation?
30. Fertility after discontinuation of oral contraceptives
31. Overripe ova and twinning
32. Body fat, menarche, fitness and fertility
33. Fatness and fertility
34. Delayed ovulation and monozygotic twinning
35. Clustering of conjoined twins in Jerusalem, Israel: An epidemiologic survey
36. Cephalothoracopagus syncephalus: A case report with previously unreported anatomical abnormalities and chromosomal analysis
37. Early diagnosis of conjoined twins in triplet pregnancy after in vitro fertilization and assisted hatching
38. First trimester diagnosis of conjoined twins in a triplet pregnancy after IVF and ICSI: Case report
39. Sonographic findings in the prenatal diagnosis of cephalothoracopagus syncephalus
40. Janiceps cephalo-thoraco-abdominopagus pregnancy
41. Conjoined twins in the United States, 1970-1977
42. Pituitary-ovarian function in mothers who have had two sets of dizygotic twins
43. Multiple pregnancy
44. Hypothetical risks of twinning in the natural menstrual cycle
45. The factors that influence twinning rates
46. Maternal characteristics and Prenatal nutrition
47. Monozygotic twinning in the human is associated with the zona pellucida architecture
48. Monozygotic twinning as a congenital defect and congenital defects in monozygotic twins
49. Development rate and structural expression: An experimental study of twins, double monsters and single deformities, and the interaction among embryonic organs during origin and development
50. Expression and distribution of the cell adhesion molecule uvomorulin in mouse preimplantation embryos
51. Cell-cell interactions in early embryogenesis: A molecular approach to the role of calcium
52. Cell surface localisation and stability of uvomorulin during early mouse development
53. Effects of calcium deficiency on the formation of the Zonula occludens and blastocoel in the mouse embryo
54. Calcium transport in the early conceptus and associated tissues in the rabbit
55. 45Ca in rabbit blastocysts and their environment
56. Twinning of sand dollar embryos by means of dithiothreitol
57. Two examples of monoamniotic monozygotic twinning in diploid parthenogenetic mouse embryos
58. Clonal propagation of primate offspring by embryo splitting
59. Analysis of compaction in the preimplantation mouse embryo
60. Zona pellucida at the time of implantation
61. Uteroglobin: A hormone-sensitive endometrial protein involved in blastocyst development
62. Embryonic diapause in vertebrates
63. Cyclic adenosine monophosphate-induced changes in the surface morphology of diapausing blastocysts and the effects on implantation
64. Discovery of uteroglobin and its signficance for reproductive biology and endocrinology
65. Structural basis for calcum binding by uteroglobins
66. Calcium-dependent binding of uteroglobin to negatively charged phospholipid liposomes
67. Role of calcium in DNA synthesis and development of mouse preimplantation embryos in vitro
68. Embryonic and uterine factors in delayed implantation in rodents
69. Differentiation of 2-cell and 8-cell mouse embryos arrested by cytoskeletal inhibitors
70. Induction of monozygotic twinning in the mouse
71. Isolation and development of the inner cell mass after exposure of mouse embryos to calcium ionophore A23187
72. Role of calmodulin in blastocyst formation in the mouse
73. Trophoblast stem cells
74. Indomethacin delays zona-shedding and implantation in the ovariectomized progesterone-treated hamster
75. Pluripotential cells grown directly from normal mouse embryos
76. Embryonic stem cells
77. Stem cells: Units of development, units of regeneration, and units in evolution
78. Normal anatomy and histology of the placenta
79. Telomerase activity and telomere detection during early bovine development
80. Differentiation of immortal cells inhibits telomerase activity
81. Telomerase is not an epidermal stem cell marker and is downregulated by calcium
82. The study of cell death by the use of cellular and developmental models
83. Expression of telomerase activity in human chorion
84. Morbidity associated with prenatal disruption of the dividing membrane in twin gestations
85. Some causes of genotypic and phenotypic discordance in monozygotic twin pairs
86. Studies on the relationship between uterine fluid components and the diapausing state of blastocysts from mammals having delayed implantation
87. Prolactin: The hypophyseal factor that terminates embryonic diapause in mink
88. Transport mechanisms in the preimplantation mammalian embryo
89. Mouse blastocysts hatch in vitro by using a trypsin-like proteinase associated with cells of mural trophectoderm
90. Expression of the uteroglobin promoter in epithelial cell lines from endometrium