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The Society for Gynecologic Investigation membership roster, December 1976. 妇科调查学会会员名册，1976年12月。
Gynecologic investigation Pub Date : 1977-01-01
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引用次数: 0
Changes in nucleic acid metabolism during early embryological and fetal growth. 早期胚胎和胎儿生长过程中核酸代谢的变化。
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301052
M S Wasserman, P Rosso
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引用次数: 0
Molecular arrangement of cervical mucus: a reevaluation based on laser light-scattering spectroscopy. 宫颈黏液的分子排列:基于激光散射光谱的再评价。
Gynecologic investigation Pub Date : 1977-01-01
W I Lee, P Verdugo, R J Blandau, P Gaddum-Rosse
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引用次数: 0
Intrauterine pressure wave form characteristics of successful and failed first stage labor. 第一产程产程成功与失败的宫内压力波形特征。
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301091
J Seitchik, M L Chatkoff
{"title":"Intrauterine pressure wave form characteristics of successful and failed first stage labor.","authors":"J Seitchik,&nbsp;M L Chatkoff","doi":"10.1159/000301091","DOIUrl":"https://doi.org/10.1159/000301091","url":null,"abstract":"<p><p>A retrospective study was designed to contrast the intrauterine pressure wave form characteristics of hypocontractile labor in patients with and without obstruction and before and after oxytocin therapy. No differences were observed between the patient groups (vaginal delivery vs. cesarean section), either before or after oxytocin. Problems in defining adequate contractility in patients with possible obstructed labors are discussed, and new parameters of potential value are identified.</p>","PeriodicalId":75889,"journal":{"name":"Gynecologic investigation","volume":"8 5-6","pages":"246-53"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000301091","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11814388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Galactosyltransferase activity of the microvillous surface of human placental syncytial trophoblast. 人胎盘合胞滋养细胞微绒毛表面半乳糖转移酶活性的研究。
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301097
D M Nelson, A C Enders, B F King
{"title":"Galactosyltransferase activity of the microvillous surface of human placental syncytial trophoblast.","authors":"D M Nelson,&nbsp;A C Enders,&nbsp;B F King","doi":"10.1159/000301097","DOIUrl":"https://doi.org/10.1159/000301097","url":null,"abstract":"<p><p>The syncytial trophoblast has previously been shown to have minimal intrasyncytial galactosyltransferase activity at term. The biochemical and autoradiographic study reported here shows that the microvillous surface of term human placental syncytial trophoblast has a galactosyltransferase activity capable of transferring 3H-galactose from uridine diphosphate-D-galactose-1-3H to trichloroacetic-acid precipitable, endogenous acceptors. This capability of resynthesizing cleaved galactose moieties in the glycocalyx, without dependence on cytoplasmically located galactosyltransferases, would allow for reinstatement of the original surface molecular configuration without requiring synthesis and insertion of a completely new membrane molecule. It is suggested that the surface galactosyltransferase might function to repair damage to syncytial trophoblast glycocalyx induced by the enzymes in maternal blood.</p>","PeriodicalId":75889,"journal":{"name":"Gynecologic investigation","volume":"8 5-6","pages":"267-81"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000301097","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11817579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Vasodilating effect of estrogen on the human umbilical artery. 雌激素对人脐动脉血管的舒张作用。
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301109
M F Silva de Sá, R S Meirelles
{"title":"Vasodilating effect of estrogen on the human umbilical artery.","authors":"M F Silva de Sá,&nbsp;R S Meirelles","doi":"10.1159/000301109","DOIUrl":"https://doi.org/10.1159/000301109","url":null,"abstract":"<p><p>The effects of estradiol, estrone and estriol on the tonus of the isolated vascular segments of human umbilical artery were studied by a perfusion technique. Estradiol (10 microgram/ml), estrone (10 microgram/ml) or estriol (2 and 10 microgram/ml) produce relaxation of the vascular bed which was reflected in a significant reduction in basal pressure of segments perfused at constant rate. A dose-dependent relationship was demonstrated for estriol. The time dependence and extent of relation were similar for all three natural estrogens.</p>","PeriodicalId":75889,"journal":{"name":"Gynecologic investigation","volume":"8 5-6","pages":"307-13"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000301109","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11817582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Sequential evaluation of the supine hypertension or 'roll-over' test in a high risk population. 高危人群中仰卧位高血压或“翻身”试验的序贯评价
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301100
J P O'Grady, C Hamilton, J A Morris, E C Davidson
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引用次数: 11
24-hour rhythms in uterine and umbilical blood flows of conscious pregnant sheep. 有意识怀孕绵羊子宫和脐带血流的24小时节律。
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301103
A M Walker, G K Oakes, M K McLaughlin, R A Ehrenkranz, D W Alling, R A Chez
{"title":"24-hour rhythms in uterine and umbilical blood flows of conscious pregnant sheep.","authors":"A M Walker,&nbsp;G K Oakes,&nbsp;M K McLaughlin,&nbsp;R A Ehrenkranz,&nbsp;D W Alling,&nbsp;R A Chez","doi":"10.1159/000301103","DOIUrl":"https://doi.org/10.1159/000301103","url":null,"abstract":"<p><p>The possibility that 24-hour rhythms exist in uterine blood flow (UtBF) and umbilical blood (UmBF) was investigated in 5 days postoperative chronically instrumented near-term pregnant sheep acclimated to a controlled environment. UtBF, UmBF and pressure measurements were made at 15-min intervals over 24 h beginning at 0800 h. Each data series was examined for the presence of significant rhythms of a 24-hour period using a method of Fourier analysis. UtBF 24-hour rhythms were found in all ewes; UmBF 24-hour rhythms were found in 4 of 5 lambs. A consistent reciprocal phase relationship between UtBF and UmBF was evident within animals. There were no associated rhythms in maternal arterial, fetal arterial, or amniotic fluid pressures. These results indicate that the presence of circadian rhythms must be considered as a possible variable when long-term uteroplacental hemodynamic studies are planned.</p>","PeriodicalId":75889,"journal":{"name":"Gynecologic investigation","volume":"8 5-6","pages":"288-98"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000301103","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11248882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Molecular arrangement of cervical mucus: a reevaluation based on laser light-scattering spectroscopy. 宫颈黏液的分子排列:基于激光散射光谱的再评价。
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301094
W. I. Lee, P. Verdugo, R. Blandau, P. Gaddum-Rosse
{"title":"Molecular arrangement of cervical mucus: a reevaluation based on laser light-scattering spectroscopy.","authors":"W. I. Lee, P. Verdugo, R. Blandau, P. Gaddum-Rosse","doi":"10.1159/000301094","DOIUrl":"https://doi.org/10.1159/000301094","url":null,"abstract":"Evidence obtained from laser light-scattering spectroscopy suggests that the molecular arrangement of cow estrous cervical mucus is an ensemble of entangled random-coiled macromolecules rather than a cross-linked macromolecular network, the model heretofore widely accepted. This new model can account for the following phenomena: (1) The viscoelastic properties of the estrous mucus and human mid-cycle cervical mucus are the result of the way in which the glycoproteins are entangled. Variations of these properties during the reproductive cycle may simply be due to changes in the water content of the cervical mucus. (2) Penetration of spermatozoa in mucus may be entirely mechanical without involving any kind of enzymatic lysis of cross-links (this is supported by changes in the pattern of spermatozoa flagellation during sperm penetration of cervical mucus as shown in motion picture films). (3) The orientation of spermatozoa in the cervical muscus need not be due to the presence of 'channels' between micelles but simply to an artifact, the stretching or flow of the mucus, which orients the entangled macromolecules and thus facilitates the penetration of spermatozoa in an axis parallel to them.","PeriodicalId":75889,"journal":{"name":"Gynecologic investigation","volume":"8 5-6 1","pages":"154-66"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000301094","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"65431342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 63
Attempted induction of granulosa cell tumor in Balb-C mice by gonadotropin administration. 促性腺激素诱导Balb-C小鼠颗粒细胞肿瘤的实验研究。
Gynecologic investigation Pub Date : 1977-01-01 DOI: 10.1159/000301112
J Menczer, H Komarov, M Shenboum, V Insler, B Czernobilsky
{"title":"Attempted induction of granulosa cell tumor in Balb-C mice by gonadotropin administration.","authors":"J Menczer,&nbsp;H Komarov,&nbsp;M Shenboum,&nbsp;V Insler,&nbsp;B Czernobilsky","doi":"10.1159/000301112","DOIUrl":"https://doi.org/10.1159/000301112","url":null,"abstract":"<p><p>An attempt of granulosa cell tumor (GCT) induction by prolonged administration of exogenous pregnant mare's serum gonadotropin (PMSG) to young, mature, and middle-aged Balb-C mice resulted mainly in stromal luteal cell proliferation. 48.9% of young mice, 64.5% of mature mice and 65% of middle-aged mice developed luteal cell proliferation. This effect seemed to be dependent on duration of treatment, mainly in young mice. Young mice injected for less than 6 months developed significantly less luteal cell proliferation than those injected for more than 6 months. Only 1 GCT was found. This study seems to support the contention that besides gonadotropin stimulation, other factors may be involved in GCT development. A large number of PMSG-injected mice developed generalized lymphosarcoma, the mechanism of which remains unknown.</p>","PeriodicalId":75889,"journal":{"name":"Gynecologic investigation","volume":"8 5-6","pages":"314-22"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000301112","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11783668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
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