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Human Chorionic Gonadotropin

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https://www.readbyqxmd.com/read/28736174/effects-of-cigarette-smoke-extracts-on-cell-cycle-cell-migration-and-endocrine-activity-in-human-placental-cells
#1
Cho-Won Kim, Hae-Miru Lee, Kyuhong Lee, Bumseok Kim, Moo-Yeol Lee, Kyung-Chul Choi
Maternal smoking during pregnancy is known to be related to adverse pregnancy results associated with trophoblast proliferation and cell cycle progression. Moreover, many previous studies have shown that cigarette smoke is correlated with human chorionic gonadotropin beta (hCG-β) subunit produced from syncytiotrophoblasts during pregnancy. Thus, we further investigated whether cigarette smoke extract (CSE) affects the cell proliferation, migration and endocrine hormone activity of JEG-3 human placental cancer cells...
July 20, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28730798/a-young-woman-with-metastatic-colon-cancer-presenting-with-elevated-serum-beta-human-chorionic-gonadotropin
#2
Ozge Velipasalar, Hakan Kocoglu, Mehmet Hursitoglu, Deniz Tural
No abstract text is available yet for this article.
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28726100/microrna-in-hormonal-mechanisms-of-regulation-of-nk-cell-function
#3
S V Shirshev, I V Nekrasova, O L Gorbunova, E G Orlova, I L Maslennikova
We investigated the effect of human chorionic gonadotropin, estriol, leptin, ghrelin, and kisspeptin on the microRNA expression in separated NK cells. All of these hormones are able to effectively modulate the expression of microRNAs both stimulating and suppressing the cytotoxic potential of NK cells and thereby indirectly regulate the functions of these lymphocytes.
May 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28723610/pediatric-reference-intervals-for-29-ortho-vitros-5600-immunoassays-using-the-caliper-cohort-of-healthy-children-and-adolescents
#4
Victoria Higgins, Angela W S Fung, Man Khun Chan, Joseph Macri, Khosrow Adeli
BACKGROUND: Accurate reference intervals (RIs) based on a healthy pediatric population are essential for pediatric test result interpretation. The CALIPER project has recruited a large healthy cohort and completed a series of a priori studies to address gaps in pediatric RIs. As immunoassays from different manufacturers for endocrine and special chemistry markers are not standardized and show marked intermethod differences, direct RI studies are needed for each major analytical platform...
July 19, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28721061/clinical-and-ultrasound-parameters-in-prediction-of-excessive-hemorrhage-during-management-of-cesarean-scar-pregnancy
#5
Ting Gui, Ping Peng, Xinyan Liu, Li Jin, Weilin Chen
PRECIS: During the management of cesarean scar pregnancy, gestational mass size >6 cm, uterine scar thickness <0.2 cm, peak systolic velocity >70 cm/s, and resistance index <0.35 are independent risk factors for excessive hemorrhage. OBJECTIVE: The objective of this study was to investigate risk factors associated with excessive hemorrhage during the management of cesarean scar pregnancy (CSP). PATIENTS AND METHODS: A retrospective case-control study was conducted, including 40 patients who experienced excessive bleeding and 80 controls without severe hemorrhage...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28717722/gestational-trophoblastic-neoplasia-treatment-at-the-butaro-cancer-center-of-excellence-in-rwanda
#6
Ignace Nzayisenga, Roanne Segal, Natalie Pritchett, Mary J Xu, Paul H Park, Edgie V Mpanumusingo, Denis G Umuhizi, Donald P Goldstein, Ross S Berkowitz, Vedaste Hategekimana, Clemence Muhayimana, Fidel Rubagumya, Temidayo Fadelu, Neo Tapela, Tharcisse Mpunga, Rahel G Ghebre
PURPOSE: Gestational trophoblastic neoplasia (GTN) is a highly treatable disease, most often affecting young women of childbearing age. This study reviewed patients managed for GTN at the Butaro Cancer Center of Excellence (BCCOE) in Rwanda to determine initial program outcomes. PATIENTS AND METHODS: A retrospective medical record review was performed for 35 patients with GTN assessed or treated between May 1, 2012, and November 30, 2014. Stage, risk score, and low or high GTN risk category were based on International Federation of Gynecology and Obstetrics staging and the WHO scoring system and determined by beta human chorionic gonadotropin level, chest x-ray, and ultrasound per protocol guidelines for resource-limited settings...
December 2016: Journal of Global Oncology
https://www.readbyqxmd.com/read/28715966/protective-effects-of-human-chorionic-gonadotropin-against-breast-cancer-how-can-we-use-this-information-to-prevent-treat-the-disease
#7
C V Rao
Breast cancers (BCs) are the most common malignancies among women worldwide. Giving birth to a first child before 24 years of age decreases the BC risk by about half, when women reach menopausal years. The scientific evidence suggests that the actions of human chorionic gonadotropin (hCG) are responsible for this decrease. Human BC cells and tissues contain hCG/luteinizing hormone receptors. The activation of the receptors results in an increase in cell differentiation and apoptosis. Conversely, it decreases the cell proliferation, invasion, and survival...
August 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28715965/dual-triggering-with-gonadotropin-releasing-hormone-agonist-and-standard-dose-human-chorionic-gonadotropin-in-patients-with-a-high-immature-oocyte-rate
#8
Alberta Maria Fabris, M Cruz, V Legidos, C Iglesias, M Muñoz, J A García-Velasco
In in vitro fertilization (IVF) cycles, some patients show a high rate of immature oocytes retrieved after controlled ovarian stimulation. In vitro oocyte maturation is an experimental technique, with poorer results than conventional IVF. For this reason, improving in vivo maturation could meliorate the reproductive outcome of these patients. We performed a retrospective, not interventional, study analyzing the difference in the number and percentage of mature oocytes retrieved in patients with more than 50% immature oocytes in a previous IVF cycle triggered with human chorionic gonadotropin (hCG) compared to the number and rate of mature oocytes retrieved in subsequent cycles, triggered with both gonadotropin-releasing hormone agonist (GnRH-a) and hCG...
August 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28715087/association-between-endometrial-subendometrial-vasculature-and-embryo-transfer-outcome-a-meta-analysis-and-subgroup-analysis
#9
Jianing Wang, Fei Xia, Ying Zhou, Xuedong Wei, Yanyan Zhuang, Yingxue Huang
OBJECTIVES: To examine the association between endometrial/subendometrial vasculature and in vitro fertilization-embryo transfer (IVF-ET) and frozen embryo transfer (FET) outcomes. METHODS: A meta-analysis of studies using endometrial/subendometrial 3-dimensional ultrasound and power Doppler angiography was performed to examine the vascularization index (VI), flow index (FI), and vascularization-flow index (VFI) in pregnant and nonpregnant women. Ten articles were analyzed, including 895 pregnant women and 882 nonpregnant women...
July 17, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28713970/human-chorionic-gonadotropin%C3%A2-%C3%AE-regulates-epithelial-mesenchymal-transition-and-metastasis-in-human-ovarian-cancer
#10
Na Liu, Shu-Min Peng, Guang-Xi Zhan, Jing Yu, Wei-Min Wu, Hao Gao, Xiao-Feng Li, Xiao-Qing Guo
Human chorionic gonadotropin β (β-hCG) is a well-known and accurate marker for the diagnosis and monitoring of pregnancy, trophoblastic tumors and ovarian germ cell tumors. Recently, β-hCG has been found to be closely related to poor prognosis and metastasis in various other malignant tumors, while its role and mechanism in ovarian cancer is still unclear. In the present study, lentiviral‑mediated transfection and small interfering RNA (siRNA) were used to alter β-hCG expression in the ovarian cancer cell lines ES-2 and SKOV3, respectively...
July 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713902/establishment-and-characterization-of-cell-lines-derived-from-complete-hydatidiform-mole
#11
Eiko Yamamoto, Kaoru Niimi, Tohru Kiyono, Toshimichi Yamamoto, Kimihiro Nishino, Kenichi Nakamura, Tomomi Kotani, Hiroaki Kajiyama, Kiyosumi Shibata, Fumitaka Kikkawa
Gestational trophoblastic diseases (GTDs) are a group of diseases characterized by abnormal cellular proliferation of atypical trophoblasts. A hydatidiform mole is an abnormal pregnancy caused by genetic fertilization disorders, and it can be classified as a complete hydatidiform mole (CHM) or a partial hydatidiform mole. The aim of this study was to establish cell lines from CHMs and to characterize the cells for future studies concerning GTD. HMol1-2C, HMol1-3B, HMol1-8 and HMol3-1B were established from primary cultures of CHM explants following the introduction of different combinations of genes including human telomerase reverse transcriptase (hTERT), a mutant form of CDK (CDK4R24C), cyclin D1, p53C234, MYC and HRAS...
July 14, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28708875/predictive-value-of-serum-progesterone-level-on-%C3%AE-hcg-check-day-in-women-with-previous-repeated-miscarriages-after-in-vitro-fertilization
#12
Yong Jin Kim, Jung Ho Shin, Jun Yong Hur, Hoon Kim, Seung-Yup Ku, Chang Suk Suh
OBJECTIVE: To evaluate the predictive value of the progesterone level at the beta-human chorionic gonadotropin (β-hCG) check day for ongoing pregnancy maintenance in in vitro fertilization (IVF) cycles in women with previous unexplained repeated miscarriages. MATERIALS AND METHODS: One hundred and forty-eight women, with visible gestational sac after IVF, were recruited in this observational study. All subjects had unexplained recurrent miscarriages in more than two previous IVF cycles...
2017: PloS One
https://www.readbyqxmd.com/read/28701684/expression-of-aldo-keto-reductase-family-1-member-c14-during-ovulation-in-the-rat
#13
Phuong T M Dam, You-Jee Jang, Ja-Yeon Kim, Seul-Gee Choi, Jae-Il Park, Young-Woo Seo, Sang-Young Chun
The potent androgen 5α-dihydrotestosterone is metabolized to the weak androgen 5α-androstane-3α, 17β-diol (3α-diol) by the enzyme aldo-keto reductase family 1, member C14 (Akr1c14) in rodents. The purpose of the present study was to investigate the regulation of Akr1c14 expression during the ovulatory process in rat ovaries. Northern blot analysis revealed that treatment of immature rats with equine chorionic gonadotropin resulted in lowered Akr1c14 expression, whereas subsequent treatment with human chorionic gonadotropin (hCG) increased ovarian Akr1c14 expression within 3 h...
July 11, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28695963/differential-regulation-of-cumulus-cell-transcription-during-oocyte-maturation-in-vivo-and-in-vitro
#14
Giovanni Coticchio, Libby Ophir, Yuval Yung, Micha Baum, Mariabeatrice Dal Canto, Mario Mignini-Renzini, Fausta Brambillasca, Rubens Fadini, Ariel Hourvitz
Differences in cumulus cell gene expression after oocyte maturation in vitro (IVM) or in vivo have been described in previous studies. However, the possible impact of follicle stage on gene expression deregulation during human oocyte IVM remains unknown. Expression of selected genes of interest was compared in cumulus cell of three classes of human cumulus cell-oocyte complexes (COCs): a) COCs derived from human chorionic gonadotropin (hCG)-triggered IVM cycles, collected at the germinal vesicle (GV) stage from mid-sized follicles (4-12 mm) and matured in vitro (IVM-GV); b) COCs derived from hCG-triggered IVM cycles, collected from mid-sized follicles (4-12 mm) and matured in vivo (IVM-MII); c) COCs derived from controlled ovarian stimulation in vitro fertilization (IVF) cycles, collected from large/preovulatory follicles and matured in vivo (IVF-MII)...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28693284/%C3%AE-human-chorionic-gonadotropin-secreting-intracranial-germ-cell-tumor-associated-with-high-testosterone-in-an-adult-man-a-case-report
#15
Wen-Ping Yang, Hung-Yu Chien, Yi-Chun Lin
A 38-year-old male patient presented with general weakness, polydipsia and a body weight loss of 10 kg in two years. Hypopituitarism with central hypothyroidism and central adrenal insufficiency were noted at Taipei City Hospital (Taipei, Taiwan). However, hypogonadotropic hypergonadism was also observed. The patient was diagnosed with an intracranial β-human chorionic gonadotropin (β-hCG) secreting germ-cell tumor, and brain magnetic resonance imaging revealed that the tumor involved the pineal gland, stalk, posterior pituitary gland, right basal ganglion, hypothalamus, corpus callosum and posterior hippocampus...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28692637/comparison-of-2-human-chorionic-gonadotropin-immunoassays-commercially-available-for-monitoring-patients-with-gestational-trophoblastic-disease
#16
Juliana Maria Quinalha de Souza, Antonio Braga, Rafael Sanches Dos Santos, Marcos Montanha Ramos, Rafael Cortés-Charry, Izildinha Maestá
OBJECTIVE: The aim of this study was to compare serum human chorionic gonadotropin (hCG) levels in patients with gestational trophoblastic disease (GTD) using 2 commercially available hCG immunoassays. METHODS: Serum samples were obtained from patients with GTD attending the Botucatu Medical School Trophoblastic Diseases Center of São Paulo State University (UNESP), from November 2014 to October 2015. Serum hCG levels were measured with both Architect i2000SR and Immulite 2000 XPi chemiluminescence assays...
July 7, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28689216/concentration-of-alpha-fetoprotein-and-%C3%AE-eta-human-chorionic-gonadotropin-tumor-markers-in-sulfur-mustard-exposed-veterans
#17
Mohammad Rafiee, Yunes Panahi, Mohammad Yousef Alikhani, Hassan Rafieemehr, Alireza Saadat, Mohammad Abbasi
No abstract text is available yet for this article.
July 2017: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28686515/tracing-dietary-mercury-histochemically-with-autometallography-through-the-liver-to-the-ovaries-and-spawned-eggs-of-the-temperate-coastal-marine-fish-spot-leiostomus-xanthurus
#18
John J Govoni, James A Morris, David W Evans
Exposure to mercury (Hg) results in reproductive abnormalities and deficiencies in female fish. We traced the maternal assimilation and redistribution of dietary inorganic (HgII) and organic (MeHg) Hg in a coastal marine fish, spot (Leiostomus xanthurus). We conducted a 90 d laboratory experiment in which treatment spot were fed muscle of blue marlin (Makaira nigricans) with elevated concentrations of mercury mixed with a commercial fish food, while control spot were fed only commercial food pellets. Gonadal maturation was induced by shortening photoperiod and increasing temperature...
July 7, 2017: Journal of Aquatic Animal Health
https://www.readbyqxmd.com/read/28685817/the-impact-of-an-increased-progesterone-to-follicle-number-ratio-on-live-delivery-rates-in-women-with-normal-ovarian-reserve
#19
Ya Chen, Ling Ma, Suqing Wang
OBJECTIVE: To explore the relationship between progesterone-follicle number (P/F) ratio and live delivery rate in patients with normal ovarian reserve undergoing cleavage-stage embryo transfer with a long gonadotropin-releasing hormone agonist cycle. METHODS: The present retrospective study included data from patients younger than 38 years with normal ovarian reserve who were undergoing in vitro fertilization/intracytoplasmic sperm injection and embryo transfer at Zhongnan Hospital, Wuhan University, China, between January 1, 2009 and December 31, 2015...
July 6, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28682787/in-utero-virilization-secondary-to-a-maternal-krukenberg-tumor-case-report-and-review-of-literature
#20
Carmen Bustamante, Alfonso Hoyos-Martínez, Daniela Pirela, Alejandro Díaz
BACKGROUND: Krukenberg tumors are ovarian metastatic adenocarcinomas with a primary origin usually located in the stomach, colon, gallbladder, pancreas, or breast. Occasionally, these tumors produce virilization in the affected individual due to androgen production by luteinization of the tumoral stroma. It is believed that during pregnancy these tumors are more likely to increase androgen production due to the elevated levels of human chorionic gonadotropin (hCG). High maternal androgens can cross the placenta producing virilization of the female fetus...
July 26, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
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