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Human Chorionic Gonadotropin

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https://www.readbyqxmd.com/read/28917126/effects-of-a-single-administration-of-different-gonadotropins-on-day-7%C3%A2-post-insemination-on-pregnancy-outcomes-of-rabbit-does
#1
N M Hashem, Z R Aboul-Ezz
This study aimed to investigate the effects of a single administration of one of three different gonadotropins on Day 7 post-insemination on ovarian activity, progesterone (P4) concentration and pregnancy outcomes of rabbit does. Multiparous, non-lactating, V-line does were artificially inseminated after synchronization and ovulation induction with equine chorionic gonadotropin (eCG; 25 IU im) and gonadotropin releasing hormone (GnRH; 0.8  μg buserelin im) 48 h later. On Day 7 post-inseminarion, does were randomly allocated into four groups (n = 40/group)...
September 7, 2017: Theriogenology
https://www.readbyqxmd.com/read/28911926/severe-ovarian-hyperstimulation-syndrome-modifies-early-maternal-serum-beta-human-chorionic-gonadotropin-kinetics-but-obstetrical-and-neonatal-outcomes-are-not-impacted
#2
Cécile Choux, Julie Barberet, Perrine Ginod, Jonathan Cottenet, Céline Bruno, Eric Benzénine, Paul Sagot, Patricia Fauque
OBJECTIVE: To study the impact of severe ovarian hyperstimulation syndrome (OHSS) on beta-hCG kinetics and obstetrical and neonatal outcomes. DESIGN: Retrospective single-center case-control study. SETTING: University tertiary referral center. PATIENT(S): A total of 77 patients who presented a clinical pregnancy after IVF and had been hospitalized for severe OHSS were included in this study and compared with 231 controls presenting an IVF-induced clinical pregnancy without OHSS and matched for the year of pregnancy and the number of gestational sacs...
September 11, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28911134/thyroid-function-and-premature-delivery-in-tpo-antibody-negative-women-the-added-value-of-hcg
#3
Tim I M Korevaar, Eric A P Steegers, Layal Chaker, Marco Medici, Vincent W V Jaddoe, Theo J Visser, Yolanda B de Rijke, Robin P Peeters
Context: Human chorionic gonadotropin (hCG) stimulates thyroid function during pregnancy. We recently showed that thyroid autoimmunity severely attenuated the thyroidal response to hCG stimulation and that this may underlie the higher risk of premature delivery in thyroperoxidase antibody (TPOAb)-positive women. We hypothesized that a lower thyroidal response to hCG stimulation in TPOAb-negative women is also associated with a higher risk of premature delivery and preterm premature rupture of membranes (pPROM)...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28905381/false-positive-pregnancy-test-after-transfusion-of-solvent-detergent-treated-plasma
#4
Petra Jilma-Stohlawetz, Tim Wreford-Bush, Francesca Mills, Fiona Davidson, Friedrich W Kursten, Bernd Jilma, Janet Birchall
BACKGROUND: The transmission of pathogens, antibodies, and proteins is a possible consequence of blood product transfusion. A female patient had an unexpected positive serum β-human chorionic gonadotropin result, indicative of pregnancy, after she had received a transfusion with 1 unit of platelet concentrate, 4 units of red blood cells, and 4 units of pooled solvent/detergent-treated plasma (Octaplas). STUDY DESIGN AND METHODS: To investigate the possibility of passive transfusion of β-human chorionic gonadotropin from the plasma transfusion, one additional unit from the same batch was thawed and analyzed...
September 14, 2017: Transfusion
https://www.readbyqxmd.com/read/28905168/the-usefulness-of-testosterone-administration-in-identifying-false-positive-elevation-of-serum-human-chorionic-gonadotropin-in-patients-with-germ-cell-tumor
#5
Akitoshi Takizawa, Koji Kawai, Takashi Kawahara, Takahiro Kojima, Satoru Maruyama, Nobuo Shinohara, Shusuke Akamatsu, Tomomi Kamba, Terukazu Nakamura, Osamu Ukimura, Ryosuke Jikuya, Takeshi Kishida, Kenichi Kakimoto, Kazuo Nishimura, Toru Harabayashi, Satoshi Nagamori, Shinichi Yamashita, Yoichi Arai, Yoshitomo Sawada, Noritoshi Sekido, Hidefumi Kinoshita, Tadashi Matsuda, Tohru Nakagawa, Yukio Homma, Hiroyuki Nishiyama
OBJECTIVE: The pituitary production of human chorionic gonadotropin (hCG) can cause false-positive results during or after germ cell tumor (GCT) treatment. Because hypogonadism leads to pituitary hCG production, testosterone administration test (TAT) has been recommended for pituitary hCG diagnosis. However, little is known about its efficacy for the discrimination of pituitary hCG as detected by currently used hCG assays in treatment of GCT. We conducted a retrospective multicenter study to determine the usefulness of TAT...
September 13, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28904585/is-it-the-monster-teratoma-or-simply-meningomyelocele-our-experience-of-histological-surprise
#6
Suyash Singh, Jayesh Sardhara, Pradeep Sharma, Arun Kumar Srivastava, Kuntal Kanti Das, Kamlesh S Bhaisora, Anant Mehrotra, Awadhesh Kumar Jaiswal, Sanjay Behari, Raj Kumar
Teratomas are one of the most common tumors in newborn with excellent prognosis arises from totipotent primordial germ cells harboring two or three germ cell layers. The tumor has been titled "Great masquerade." The teratomas of sacrococcygeal region present with lower limb weakness, urinary or bowel obstruction, and swelling at lower back or intrauterine mass in ultrasound or complicated delivery. A 2-month-old male child presented with complaints of swelling over lumbosacral region with discharging punctum since birth...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28904504/role-of-serpine-gene-polymorphism-in-recurrent-implantation-failure-and-preeclampsia
#7
Nidhi Sharma, Jayashree K Srinivasan, Margeret Harriet Priya, Venkatachalam Sibiya
This is a rare case of serpine gene polymorphism causing thrombophilia and recurrent implantation failure following intrauterine insemination. SERPINE1 gene encodes plasminogen activator inhibitor type 1 and inhibits fibrinolysis, or clot dissolution. The 4G variant results in increased expression of SERPINE1 and consequently higher inhibition of fibrinolysis, thus leading to thrombophilia. The patient had unexplained primary infertility for 9 years. Ovulation induction was done with gonadotropin releasing hormone (GnRH) agonist long protocol...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28904499/does-first-serum-beta-human-chorionic-gonadotropin-value-prognosticate-the-early-pregnancy-outcome-in-an-in-vitro-fertilisation-cycle
#8
Nikita Naredi, S K Singh, Rajesh Sharma
BACKGROUND: Pregnancies achieved through in-vitro fertilisation (IVF) are associated with adverse first trimester outcomes in comparison to spontaneously achieved pregnancies. In view of this, it is imperative to predict the success as well as prognosticate the pregnancy outcome of an IVF cycle not only for the clinicians but also the couples undergoing IVF. Serum beta-human chorionic gonadotropin (β-hCG) value has, thus, been used as a biomarker for pregnancy outcome after IVF and also an aid in counselling and management of the patient...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28902042/performance-of-a-quick-pregnancy-test-on-whole-blood-in-early-pregnancy-units-a-prospective-cohort-study
#9
Caroline Legoupil, Isabelle Enderle, Flore-Anne Le Baccon, Claude Bendavid, Lucas Peltier, Estelle Bauville, Jean Leveque, Vincent Lavoue, Maela Le Lous
OBJECTIVE: To assess the diagnostic performance of the NG-Test human chorionic gonadotropin (hCG) WB, which is a new point-of-care (POC) hCG whole-blood test. MATERIALS AND METHODS: This prospective study included women consulted in early pregnancy units for vaginal bleeding and/or pelvic pain with unknown pregnancy status after medical consultation including a pelvic ultrasound scan. A new POC test (the NG-Test hCG WB) and the usual laboratory serum test (considered the gold standard) were performed in patients...
September 8, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28899594/delayed-detection-of-spontaneous-bilateral-tubal-ectopic-pregnancies-after-methotrexate-treatment
#10
Nicole E Brown, Shereen A Singer, Joe Suyama
BACKGROUND: Bilateral tubal ectopic pregnancies are a rare subset of ectopic pregnancy that can pose a diagnostic dilemma for clinicians. There is no distinct clinical presentation for bilateral tubal ectopic pregnancies, although they are typically associated with assistive reproductive techniques. In addition, there is no single diagnostic feature to help clinicians delineate bilateral tubal ectopic pregnancies from other types of ectopic pregnancy prior to passing the discriminatory zone (such as heterotopic pregnancy or twin ectopic [two gestational sacs in one tube])...
September 9, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28890427/blastocyst-transfer-does-not-improve-cycle-outcome-as-compared-to-d3-transfer-in-antagonist-cycles-with-an-elevated-progesterone-level-on-the-day-of-hcg
#11
Cem Demirel, Serkan Aydoğdu, Arzu İlknur Özdemir, Gülşah Keskin, Ercan Baştu, Faruk Buyru
OBJECTIVE: To evaluate the association between progesterone elevation on the day of human chorionic gonadotropin (hCG) administration and clinical pregnancy rates of gonadotropin-releasing hormone (GnRH) antagonist in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) cycles with the transfer of embryos at different developmental stages (day-3 versus day-5 ETs). MATERIAL AND METHODS: This is a retrospective analysis of fresh IVF/ICSI; 194 cycles out of 2676 conducted in a single center...
September 1, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/28888750/primary-mediastinal-pure-seminomatous-germ-cell-tumor-germinoma-as-a-rare-cause-of-precocious-puberty-in-a-9-year-old-patient
#12
Alejandra Bravo-Balado, Lynda Torres Castellanos, Adriana Carrillo Rodríguez, Daniel Gómez Zapata, Juan Javier Lammoglia Hoyos, Rafael Andrade, Jaime Pérez Niño
Less than 5-7% of germ cell tumors (GCTs) are extragonadal, being the central nervous system (CNS) the most common location in children, followed by retroperitoneum and mediastinum. Only 10% of mediastinal tumors are malignant and one third of these are pure seminomas (germinomas). We report the case of a 9 year-old boy with development of secondary sexual characteristics. Beta human chorionic gonadotropin (B-hCG) was elevated and a mediastinal mass was found. Final histology showed a pure seminomatous germ cell tumor (SGCT)...
September 6, 2017: Urology
https://www.readbyqxmd.com/read/28885416/reducing-false-positive-pregnancy-test-results-in-patients-with-cancer
#13
Samuel I McCash, Deborah J Goldfrank, Melissa S Pessin, Lakshmi V Ramanathan
OBJECTIVE: To assess whether the use of a laboratory test specific for intact human chorionic gonadotropin (hCG) would reduce the number of false-positive pregnancy test results. METHODS: From October 21, 2014, to January 20, 2015, and April 1, 2015, to June 2, 2015, all serum samples sent for pregnancy screening at a large cancer center with a value of 5 milli-international units/mL or greater total β-hCG were frozen and stored and then retested using intact hCG reagent...
September 5, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28885339/role-of-chemotherapy-and-thrombolysis-in-treatment-of-choriocarcinoma-accompanied-with-pulmonary-embolism-a-case-report-with-literature-review
#14
Mei Yang, Li Peng
RATIONALE: Choriocarcinoma accompanied with pulmonary embolism (PE) is rare and difficult to diagnose and treat. There are about 25 cases reported in literature, which presented variable clinical characteristics and prognosis. PATIENT CONCERNS: We reported a case of choriocarcinoma presenting PE as the first manifestation in a 26-year-old Chinese female. DIAGNOSES: Four months before her admission to our hospital, she presented to a local hospital with respiratory manifestations, and was first diagnosed as bronchitis and treated with antibiotics without improvement, and subsequently suspected of having pulmonary tuberculosis and receive anti-tuberculosis therapy, with no response...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28869585/brca1-regulation-on-%C3%AE-hcg-a-mechanism-for-tumorigenicity-in-brca1-defective-breast-cancer
#15
S K Sengodan, R Nadhan, R S Nair, S K Hemalatha, V Somasundaram, R R Sushama, A Rajan, N R Latha, G R Varghese, R K Thankappan, J M Kumar, A Chil, T V Anilkumar, P Srinivas
Human chorionic gonadotropin β (β-hCG) has been implicated in breast tumorigenesis. However, the role of this hormone is highly controversial as certain studies suggest it has anti-tumor properties while others have found it to be pro-tumorigenic. To unveil the truth, we have analyzed the expression of β-hCG in breast cancer. We identified for the first time that β-hCG expression is linked to BRCA1 status and its overexpression is seen in BRCA1 mutated breast cancer cells, BRCA1 conditional knockout mouse breast cancer tissues and BRCA1 floxed basal cell carcinoma (BCC) tissues...
September 4, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28868840/predicting-implantation-outcome-of-in-vitro-fertilization-and-intracytoplasmic-sperm-injection-using-data-mining-techniques
#16
Pegah Hafiz, Mohtaram Nematollahi, Reza Boostani, Bahia Namavar Jahromi
Background: In vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) are two important subsets of the assisted reproductive techniques, used for the treatment of infertility. Predicting implantation outcome of IVF/ICSI or the chance of pregnancy is essential for infertile couples, since these treatments are complex and expensive with a low probability of conception. MATERIALS AND METHODS: In this cross-sectional study, the data of 486 patients were collected using census method...
October 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28865297/effects-of-hcg-and-salmon-gonadoliberine-analogue-on-spermiation-in-the-eurasian-perch-perca-fluviatilis
#17
Daniel Żarski, Gergely Bernáth, Jarosław Król, Beata I Cejko, Zoltán Bokor, Katarzyna Palińska-Żarska, Sylvain Milla, Pascal Fontaine, Sławomir Krejszeff
This study analysed (i) the effect of human chorionic gonadotropin (hCG) and salmon gonadoliberine analogue (sGnRHa) on the effectiveness of induction of spermiation and (ii) the effect of latency time following the application of those spawning agents on the quantity and quality of the sperm of Eurasian perch, Perca fluviatilis, obtained during out-of-season spawning. For this study, pond-reared fish were used which had been acclimated to the controlled conditions. Three groups were distinguished which were treated with either saline (0...
August 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/28860955/localization-of-serum-amyloid-a3-in-the-mouse-ovary
#18
Hyeongjwa Choi, Rosa Mistica C Ignacio, Eun-Sook Lee, Katherine F Roby, Paul F Terranova, Deok-Soo Son
Tumor necrosis factor-α (TNF-α) induces serum amyloid A (SAA) 3 among acute-phase proteins in mouse granulosa cells by activating NF-κB signaling via p55 TNF-α receptor type 1. However, the localization of SAA3 within the ovary is unknown. Here we investigated ovarian localization of SAA3 in a mouse ovulation model and in response to IL-1β, a proinflammatory mediator. For the ovulation model, equine chorionic gonadotropin (eCG; 2.5 IU) was administered to mice subcutaneously (sc) to stimulate follicular development on day 25 of age and then 50 h after eCG, human chorionic gonadotropin (hCG; 2...
August 2017: Immune Network
https://www.readbyqxmd.com/read/28859501/is-there-a-hormonal-regulation-of-phagocytosis-at-unicellular-and-multicellular-levels-a-critical-review
#19
György Csaba
Phagocytosis is an ancient cell function, which is similar at unicellular and multicellular levels. Unicells synthesize, store, and secrete multicellular (mammalian) hormones, which influence their phagocytosis. Amino acid hormones, such as histamine, serotonin, epinephrine, and melatonin stimulate phagocytosis, whereas peptide hormones, such as adrenocorticotropic hormone (ACTH), insulin, opioids, arginine vasopressin, and atrial natriuretic peptide decreased it, independently on their chemical structure or function in multicellulars...
September 1, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/28859279/the-superovulated-environment-independent-of-embryo-vitrification-results-in-low-birthweight-in-a-mouse-model
#20
Rachel Weinerman, Teri Ord, Marisa S Bartolomei, Christos Coutifaris, Monica Mainigi
Epidemiological studies suggest that babies born following in vitro fertilization (IVF) and fresh embryo transfer are of lower birthweight than babies born following frozen embryo transfer, although the mechanism responsible for this phenotype is not known. We developed a novel mouse model that isolates the independent effects of embryo freezing and the superovulated environment, which cannot be performed in humans. We transferred blastocysts that had been vitrified and warmed, mixed with with fresh blastocysts, into individual pseudopregnant recipients produced by either natural mating or mating following injection with equine chorionic gonadotropin and human chorionic gonadotropin and hCG (superovulation)...
July 1, 2017: Biology of Reproduction
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