The transmission of homologous serum proteins to the foetus and to the amniotic fluid in the rhesus monkey

Bangham, D. R.

doi:10.1113/jphysiol.1960.sp006534

Cited by 46 publications

(14 citation statements)

References 30 publications

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“…HEBB AND DOBRILA RATKOVIC Bangham, 1960), whereas in the other species mentioned such transfer from mother to foetus occurs by other routes (see Brambell, 1958). Possibly this distinction provides the clue to the function of ACh in the placenta in the higher primates.…”

Section: Discussionmentioning

confidence: 97%

Choline acetylase in the placenta of man and other species

Hebb¹,

Ratković²

1962

The Journal of Physiology

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Section: Discussionmentioning

confidence: 97%

Choline acetylase in the placenta of man and other species

Hebb¹,

Ratković²

1962

The Journal of Physiology

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“…Franklin (1959) has described a fragment of y-globulin with a molecular weight of, 35,000 low in carbohydrate, in adult human urine; however, the liquor protein showed no precipitation with antisera which reacted with monkey y-globulin. (Bangham, 1960), radioactive albumin appeared rapidly in samples of liquor; 24 hr after giving the dose the concentration of labelled albumin (in radioactivity per millilitre) in the liquor and in the foetal serum was about 1 and 0 5 % respectively of that in the maternal serum; the specific activity of the albumin in the two fluids, however, was 15 and 0 3 % at this time. The albumin was transmitted to the liquor and to the foetus in approximately similar amounts, but because of the low absolute concentration of albumin in the liquor the specific activity was some 40-50 times greater in the liquor than in the foetal serum.…”

Section: Proteins Of the Liquor Amniimentioning

confidence: 99%

“…Labelled serum globulins, however, were transmitted to the liquor from the maternal circulation (Bangham, 1960); they were present in lower concentration and possessed lower specific radioactivity than the albumin. Small amounts of the major globulin fractions were found in the liquor, whereas labelled y-globulin was transmitted to foetal serum.…”

Section: Proteins Of the Liquor Amniimentioning

confidence: 99%

“…The exchange of the globulins may not be so rapid as that of the albumin (Bangham, 1960;Bangham et al 1960). …”

Section: Proteins Of the Liquor Amniimentioning

confidence: 99%

“…We have previously reported experiments in rhesus monkeys dealing with the transmission of 1311-labelled maternal serum proteins from the mother to the foetus (Bangham, Hobbs & Terry, 1958;Bangham, 1960) and from the foetus to the mother (Bangham, Hobbs & Tee, 1960). We found that some, if not all, of the major protein components of serum present in the liquor are contributed by the mother and very little by the foetus.…”

mentioning

confidence: 99%

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The origin and nature of proteins of the liquor amnii in the rhesus monkey; a new protein with some unusual properties

Bangham¹,

Hobbs²,

Tee³

1961

The Journal of Physiology

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Development and structure of the placenta and fetal membranes of nonhuman primates

King

1993

J. Exp. Zool.

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This survey examines placental and fetal membrane structure, function, and development in nonhuman primates. It will focus on these aspects of fetal membranes in species exemplifying the two main types of primate placentation. The chorioallantoic placentas of most strepsirhine primates (e.g., lorises and lemurs), are diffuse, villous and epitheliochorial in structure. Villi are stout, usually unbranched and interdigitate with indentations in the uterine lining. Early in gestation trophoblast cells are columnar but with advancing gestational age considerable thinning of the interhemal membrane occurs. The villous tips have indented regions that appear to be involved in absorption of histotroph. Accessory placental structures known as areolae or chorionic vesicles occur in many strepsirhines. These are cup-shaped specializations that develop opposite the mouths of uterine glands and appear active in absorption of glandular secretions. In addition, most strepsirhines are characterized by a large yolk sac early in gestation, a transient choriovitelline placenta, and most have a large allantoic sac. In strepsirhines, amniogenesis occurs by folding. In contrast, the chorioallantoic placentas of most haplorhines are discoidal, villous, and hemochorial. The species emphasized in the review are macaque monkeys. The placental villi are covered by a layer of syncytiotrophoblast; the latter is active in maternal-fetal transport and hormone synthesis. In some haplorhines, extravillous trophoblast invades deeply into the endometrium and also into spiral arteries supplying the placenta. Other fetal membranes include 1) nonvillous chorion (chorion laeve); there is evidence supporting both an absorptive and synthetic role for trophoblast of the chorion laeve; 2) yolk sac, which is unusual in that a secondary yolk sac is formed. The yolk sac has both synthetic and absorptive functions in early gestation; and 3) amnion; amniogenesis in haplorhines occurs by cavitation.

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The transmission of homologous serum proteins to the foetus and to the amniotic fluid in the rhesus monkey

Cited by 46 publications

References 30 publications

Choline acetylase in the placenta of man and other species

Choline acetylase in the placenta of man and other species

The origin and nature of proteins of the liquor amnii in the rhesus monkey; a new protein with some unusual properties

Development and structure of the placenta and fetal membranes of nonhuman primates

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