Results 11 to 20 of about 15,306 (119)

Multiple pregnancy with complete hydatidiform mole and coexisting normal fetus: systematic review and meta‐analysis of clinical outcomes from non‐randomized studies

Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 3, Page 272-282, March 2026.
ABSTRACT Objective Complete hydatidiform mole and coexisting normal fetus (CHMCF) is a rare condition for which there is significant heterogeneity in diagnosis, counseling and management of complications. The objective of this study was to summarize the prevalence of clinical outcomes in reported cases of CHMCF.
N. Salmeri, A. Pizzetti, E. Grassi, R. Cioffi, G. Mangili, M. Seckl, A. Sotiriadis, M. Candiani, P. I. Cavoretto   +8 more
wiley   +1 more source

Andrographolide induces cycle arrest at G2/M phase and intrinsic apoptosis in gastric carcinoma cells(穿心莲内酯诱导胃癌细胞周期抑制和内源性凋亡)

Zhejiang Daxue xuebao. Lixue ban, 2017
研究了穿心莲内酯诱导胃癌细胞SGC-7901生长抑制、周期阻滞与细胞凋亡的作用机制.用梯度浓度的穿心莲内酯作用于SGC-7901细胞，以MTT法检测药物对细胞的生长抑制情况；以流式细胞技术检测SGC-7901的周期分布状况、胞内的ROS水平以及线粒体膜电位的变化；以Annexin V-FITC/PI双染法检测细胞凋亡的水平；以Western blot检测不同加药浓度处理后的细胞内相关蛋白水平的变化.可知穿心莲内酯对SGC-7901细胞具有时间依赖和浓度依赖的抑制效果，48 h的IC50约为24 µg •
LIUQizhang(刘奇章), GONGXingguo(龚兴国)   +1 more
doaj   +1 more source

Ultrasound features in early pregnancy for predicting abnormal karyotype in first‐trimester miscarriage

Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 3, Page 376-384, March 2026.
ABSTRACT Objective To investigate whether combining abnormal morphological features observed on ultrasound in live pregnancies that ended in a first‐trimester miscarriage can predict an abnormal karyotype. Methods This retrospective observational cohort study was conducted at the early‐pregnancy assessment unit at University College London Hospital ...
T. Setty, S. L. Kastora, T. Tellum, J. Farren, E. Jauniaux, D. Jurkovic   +5 more
wiley   +1 more source

血清对U937细胞分化成熟及细胞周期的影响

Zhongguo shiyan zhenduanxue, 2014
目的探讨血清对U937细胞分化成熟及细胞周期的影响。方法应用乙酸肉豆蔻佛波醇（PMA）诱导U937细胞分化,血清作为调节因素,通过倒置显微镜观察细胞的形态与贴壁情况并计算细胞贴壁率并依此作为细胞分化成熟的标志,采用流式细胞仪测定细胞周期的变化。结果 FCS+PMA组细胞贴壁生长;其他3组细胞悬浮生长;细胞周期测定结果显示,与FCS组相比,NOFCS、NOFCS+PMA和FCS+PMA组的G1期细胞明显增多,S期细胞明显减少 ...
曹林林, 杜珍武, 杨麒巍, 侯治富   +3 more
doaj  

Performance of non‐invasive prenatal testing in vanishing‐twin and multiple pregnancies: results of TRIDENT‐2 study

Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 6, Page 738-746, December 2025.
ABSTRACT Objective To evaluate the performance of non‐invasive prenatal testing (NIPT) in vanishing‐twin and multiple pregnancies. Methods This study was conducted as part of the TRIDENT‐2 study, in which NIPT was offered as a first‐tier screening test to women with a multiple pregnancy or vanishing‐twin pregnancy between 1 June 2020 and 31 March 2023 ...
J. C. A. van Eekhout, C. J. Bax, L. van Prooyen Schuurman, E. C. Becking, A. J. E. M. van der Ven, D. Van Opstal, E. M. J. Boon, M. V. E. Macville, M. N. Bekker, R. J. H. Galjaard, on behalf of the Dutch NIPT Consortium, E.A. Sistermans, L. Henneman, A. Polstra, E. Voorhoeve, S.L. Zelderen‐Bhola, E.M.J. Boon, M.P.R. Lombardi, M.C. Bakker, E.J. Bradley, E.M.J. Boon, C. Louwerens‐Zintel, M. Smit, M.C. van Maarle, M.B. Tan‐Sindhunata, K. van der Meij, H. Meij, C.J. Bax, E. Pajkrt, I.H. Linskens, L. Martin, J.T. Gitsels‐van der Wal, R. J. H. Galjaard, D. van Opstal, M.I. Srebniak, F.M. Sarquis Jehee, I.H.I.M. Hollink, F. Sleutels, W. de Valk, W.H. Deelen, A.M.S. Joosten, K.E.M. Diderich, M.E. Redeker, A.T.J.I. Go, M.F.C.M. Knapen, S. Galjaard, A.K.E. Prinsen, A.P.G. Braat, M.J.V. Hoffer, N.S. den Hollander, E.J.T. Verweij, M.C. Haak, M.V.E. Macville, S.J.C. Stevens, A. van der Wijngaard, L.H. Houben, M.A.A. van Esch‐Lennarts, L. Hamers, A.G.P. Jetten, S.A.I. Ghesquiere, B. de Koning, M. Zamani Esteki, C.J. Heesterbeek, C.E.M. de Die‐Smulders, H. Brunner, M.J. Pieters, A.B.C. Coumans, D.F.C.M. Smeets, B.H.W. Faas, D. Westra, M.M. Weiss, I. Derks‐Prinsen, I. Feenstra, M. van Rij, E. Sikkel, R.F. Suijkerbuijk, B. Sikkema‐Raddatz, I.M. van Langen, K. Bouman, L.K. Duin, G.H. Schuring‐Blom, K.D. Lichtenbelt, M.N. Bekker, E. van Vliet‐Lachotzki, J. Pot, A. J. E. M. van der Ven, S van 't Padje   +86 more
wiley   +1 more source

Investigation of microbial contamination of commercial Romanowsky stain variant solutions used in veterinary clinics

Veterinary Dermatology, Volume 36, Issue 5, Page 613-620, October 2025.
Abstract Background Diff‐Quik (DQ) staining is widely used in clinical practice for its ease of use and rapid results. However, its potential contamination remains a concern. Hypothesis/Objectives This study aimed to investigate DQ solution contamination in veterinary hospitals and identify factors affecting it through a questionnaire on stain usage ...
Minji Cho, Seulgi Bae
wiley   +1 more source

pEgr-hPTEN体外稳定转染对人脑胶质瘤SHG-44细胞周期及增殖的影响

Zhongguo shiyan zhenduanxue, 2004
目的　探讨外源野生型PTEN基因对人脑胶质瘤SHG 4 4细胞周期及增殖的影响 ,阐明PTEN基因抑制肿瘤细胞增殖的机制。方法　脂质体包裹重组质粒pEgr hPTEN体外转染内源性PTEN基因突变的SHG 4 4胶质瘤细胞 ;G4 18筛选稳定表达细胞株并扩增培养 ;采用细胞计数法检测肿瘤细胞增殖速度 ;流式细胞术检测肿瘤细胞周期的变化。结果　经 10到 2 0dG4 18筛选得到稳定表达细胞株 ;重组质粒pEgr hPTEN稳定转染可明显抑制SHG 4 4细胞的体外增殖 ,细胞周期明显改变 ...
田梅, 朴春姬, 李修义, 杨巍
doaj  

Is parvovirus B19 infection upsurge in 2023–2024 associated with adverse pregnancy outcome?

Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 3, Page 307-313, September 2025.
ABSTRACT Objective A surge in parvovirus B19 infections has been reported in 2023–2024 across Europe and the USA, raising concerns about the associated perinatal risks. The aim of this study was to compare perinatal outcomes following maternal parvovirus B19 infection during the 2023–2024 period with those from a pre‐2023 cohort.
S. Prasad, A. Khalil, Y. Yinon, N. Regev, R. Brawura‐Biskupski‐Samaha, M. Massoud, N. Mazanowska, F. G. Sileo, F. Prefumo, P. Kosinski, J. Morales Rosello, F. D'Antonio, Collaborators, C. Ozan Ulusoy, D. Mohammed, M. Arora, A. Hegde, E. Klapholz, C. Berkovitz, K. Kosińska‐Kaczyńska, I. Rzucidło‐Szymańska, N. Szymecka‐Samaha, S. Ceffa   +22 more
wiley   +1 more source

转 HBx 基因肝癌细胞增殖与抗凋亡特性研究

Zhongshan Daxue xuebao. Yixue kexue ban, 2000
【目的】研究转 HBx 基因肝癌细胞增殖与拮抗凋亡特性,探讨肝癌恶性表型的分子基础。【方法】以携 HBx 基因 重组逆转录病毒感染 QGY7701肝癌细胞, G418 筛选,PCR 与 RT-PCR 鉴定; 流式细胞仪( FCM)检测细胞增殖周期; 用阿霉素 诱导细胞凋亡,FCM 定量检测。【结果】QGY7701 肝癌细胞经 HBx 基因转染后,G418 筛选 4～ 6 周获阳性克隆株 QGY/HBx, PCR 与 RT -PCR 分别证实细胞有 HBx 基因整合与 HBx mRNA 表达 ...
闵　军, 刘彦文, 余新炳
doaj  

Placental biomarker and fetoplacental Doppler abnormalities are strongly associated with placental pathology in pregnancies with small‐for‐gestational‐age fetus: prospective study

Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 6, Page 749-760, June 2025.
ABSTRACT Objective Placental dysfunction can result in small‐for‐gestational age (SGA) or fetal growth restriction (FGR). The aim of this prospective cohort study was to assess the association of the cerebroplacental ratio (CPR) and other more conventional fetoplacental Doppler indices, circulating placental growth factor (PlGF) levels and soluble fms ...
J. Hong, K. Crawford, E. Cavanagh, V. Clifton, F. da Silva Costa, A. V. Perkins, S. Kumar   +6 more
wiley   +1 more source