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https://www.readbyqxmd.com/read/27928435/a-debate-about-ultrasound-and-anatomic-aspects-of-the-cervix-in-spontaneous-preterm-birth
#1
REVIEW
Bohîlțea Re, Munteanu O, Turcan N, Baros A, Bodean O, Voicu D, Cîrstoiu Mm
Preterm birth is the legal first global cause of neonatal death. The cervix has two roles: it has to stay closed to allow the fetus to undergo a normal development during gestation, and at term, the cervix has to dilate under the pressure of uterine contractions to allow the delivery. The purpose of this article is to establish if the ultrasound measured length of the cervix and its appearance are predictive for the spontaneous preterm birth. Cervical insufficiency can be described by painless cervical dilatation leading to pregnancy losses/ births, with no other risk factors present...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27918564/interleukin-33-induced-expression-of-pibf1-by-decidual-b-cells-protects-against-preterm-labor
#2
Bihui Huang, Azure N Faucette, Michael D Pawlitz, Bo Pei, Joshua W Goyert, Jordan Zheng Zhou, Nadim G El-Hage, Jie Deng, Jason Lin, Fayi Yao, Robert S Dewar, Japnam S Jassal, Maxwell L Sandberg, Jing Dai, Montserrat Cols, Cong Shen, Lisa A Polin, Ronald A Nichols, Theodore B Jones, Martin H Bluth, Karoline S Puder, Bernard Gonik, Nihar R Nayak, Elizabeth Puscheck, Wei-Zen Wei, Andrea Cerutti, Marco Colonna, Kang Chen
Preterm birth (PTB) is a leading cause of neonatal death worldwide. Intrauterine and systemic infection and inflammation cause 30-40% of spontaneous preterm labor (PTL), which precedes PTB. Although antibody production is a major immune defense mechanism against infection, and B cell dysfunction has been implicated in pregnancy complications associated with PTL, the functions of B cells in pregnancy are not well known. We found that choriodecidua of women undergoing spontaneous PTL harbored functionally altered B cell populations...
December 5, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27917104/thirty-eight-year-follow-up-of-two-sibling-lipoid-congenital-adrenal-hyperplasia-patients-due-to-homozygous-steroidogenic-acute-regulatory-stard1-protein-mutation-molecular-structure-and-modeling-of-the-stard1-l275p-mutation
#3
Khalil Khoury, Elie Barbar, Youssef Ainmelk, Annie Ouellet, Pierre Lavigne, Jean-Guy LeHoux
Objective: Review the impact of StAR (STARD1) mutations on steroidogenesis and fertility in LCAH patients. Examine the endocrine mechanisms underlying the pathology of the disorder and the appropriate therapy for promoting fertility and pregnancies. Design: Published data in the literature and a detailed 38-year follow-up of two sibling LCAH patients. Molecular structure and modeling of the STARD1 L275P mutation. Setting: University hospital. Patients: Patient A (46,XY female phenotype) and patient B (46,XX female) with LCAH bearing the L275P mutation in STARD1...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27912770/endometriosis-associated-clear-cell-carcinoma-arising-in-caesarean-section-scar-a-case-report-and-review-of-the-literature
#4
Gabriella Ferrandina, Eleonora Palluzzi, Francesco Fanfani, Stefano Gentileschi, Anna Lia Valentini, Maria Vittoria Mattoli, Ilaria Pennacchia, Giovanni Scambia, Gianfranco Zannoni
BACKGROUND: Malignant transformation has been reported in approximately 1% of the endometriosis cases; herein, we report a case of clear cell endometrial carcinoma arising from endometriosis foci located within a caesarean section scar. CASE PRESENTATION: In November 2014, a Caucasian, 44-year-old woman was transferred to our institution because of severe respiratory failure due to massive lung embolism and rapid enlargement of a subcutaneous suprapubic mass. Abdomino-pelvic magnetic resonance showed a 10...
December 3, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27908671/effect-of-gnrh-and-hcg-on-progesterone-concentration-and-ovarian-and-luteal-blood-flow-in-diestrous-mares
#5
L F C Brito, J M Baldrighi, C A Wolf, O J Ginther
The objective of the present study was to investigate the effect of reproductive hormones (GnRH, hCG, LH and progesterone) on the regulation of corpus luteum (CL) and ovarian blood flow. Diestrous mares received a single treatment of saline, 100μg gonadorelin (GnRH), or 1500IU hCG 10days after ovulation. Plasma LH and progesterone concentrations, resistance index (RI) for ovarian artery blood-flow, and percentage of corpus luteum (CL) with color-Doppler signals of blood flow were determined immediately before treatment (hour 0) and at hours 0...
November 23, 2016: Animal Reproduction Science
https://www.readbyqxmd.com/read/27905324/primary-neuroendocrine-carcinoma-of-the-breast-a-single-center-experience-and-review-of-the-literature
#6
Paolo Locurto, Angelo Danilo Antona, Antonietta Grillo, Antonio Ciulla, Stefania Martorana, Calogero Cipolla, Giuseppa Graceffa, Salvatore Vieni
: Neuroendocrine carcinoma of the breast is an extremely rare tumor. A standard treatment has yet to be established because only a few cases have been reported in literature. The authors report five cases observed from January 2007 to December 2014 and a review of literature. Four patients underwent quadrantectomy and in two cases axillary nodal dissection and only one to mastectomy with axillary nodal dissection. Tumor size was from T1 to T2 with N0 to N1, according TNM classification...
November 28, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/27898908/gonadotropin-releasing-hormone-increased-pregnancy-risk-in-suckled-beef-cows-not-detected-in-estrus-and-subjected-to-a-split-time-artificial-insemination-program
#7
S L Hill, D M Grieger, K C Olson, J R Jaeger, C R Dahlen, M R Crosswhite, N Negrin Pereira, S R Underdahl, B W Neville, J Ahola, M C Fischer, G E Seidel, J S Stevenson
We hypothesized that GnRH would increase pregnancy risk (PR) in a split-time AI program for cows in which estrus was not detected. A total of 1,236 suckled beef cows at 12 locations in 3 states (Colorado, Kansas, and North Dakota) were enrolled. Before applying the fixed-time AI program, BCS was assessed. Cows were treated on d -7 with a progesterone insert concurrent with 100 μg GnRH and on d 0 with 25 mg PGF plus removal of the insert. Estrus-detection patches were affixed to cows at insert removal. Estrus was defined to have occurred when an estrus-detection patch was >50% colored (activated)...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27887710/supplementation-with-progestogens-in-the-first-trimester-of-pregnancy-to-prevent-miscarriage-in-women-with-unexplained-recurrent-miscarriage-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#8
Gabriele Saccone, Corina Schoen, Jason M Franasiak, Richard T Scott, Vincenzo Berghella
OBJECTIVE: To investigate whether treatment with progestogens in the first trimester of pregnancy would decrease the incidence of miscarriage in women with a history of unexplained recurrent miscarriage. DESIGN: Systematic review and meta-analysis. SETTING: Not applicable. PATIENT(S): Women with a history of unexplained recurrent miscarriage. INTERVENTION(S): Randomized, controlled trials were identified by searching electronic databases...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27886513/a-potential-role-for-endoplasmic-reticulum-stress-in-progesterone-deficiency-in-obese-women
#9
Nozomi Takahashi, Miyuki Harada, Yasushi Hirota, Lin Zhao, Jerilee Mk Azhary, Osamu Yoshino, Gentaro Izumi, Tetsuya Hirata, Kaori Koga, Osamu Wada-Hiraike, Tomoyuki Fujii, Yutaka Osuga
Obesity in reproductive-aged women is associated with shorter luteal phase and lower progesterone levels. Lipid accumulation in follicles of obese women compromises endoplasmic reticulum (ER) function, activating ER stress in granulosa cells. We hypothesized that ER stress activation in granulosa-lutein cells (GLCs) would modulate progesterone production and contribute to obesity-associated progesterone deficiency. Pretreatment with an ER stress inducer, tunicamycin or thapsigargin, inhibited human chorionic gonadotropin (hCG)-stimulated progesterone production in cultured human GLCs...
November 25, 2016: Endocrinology
https://www.readbyqxmd.com/read/27882034/therapeutic-effects-of-mifepristone-combined-with-gestrinone-on-patients-with-endometriosis
#10
Hui-Ling Xue, Ning Yu, Jing Wang, Wan-Jiao Hao, Ye Li, Mei-Yun Liu
OBJECTIVE: To evaluate the clinical therapeutic effects of mifepristone combined with gestrinone on patients with endometriosis. METHODS: A total of 150 endometriotic patients treated in our hospital between January 2014 and December 2015 were randomly divided into a control group and a treatment group (n=75). The control group began to orally take gestrinone capsules on the second day after menstruation started (2.5 mg/time, twice/week). The treatment group orally took mifepristone tablets (12...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27872196/induction-of-ectonucleotide-pyrophosphatase-phosphodiesterase-3-during-the-periovulatory-period-in-the-rat-ovary
#11
Fei-Xue Li, Jiao-Jiao Yu, Ying Liu, Xiao-Ping Miao, Thomas E Curry
Ectonucleotide pyrophosphatase/phosphodiesterase 3 (Enpp3) is involved in multiple physiological processes, such as morphological changes and inflammatory processes. The present study investigated the spatiotemporal expression pattern and regulatory mechanisms controlling expression of Enpp3 in the rat ovary during the periovulatory period. Immature female rats were injected with pregnant mare serum gonadotropin to stimulate follicular development. Ovaries, granulosa cells, or theca-interstitial cells were collected at various times after human chorionic gonadotropin (hCG) administration...
November 20, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27862440/fertility-of-angus-cross-beef-heifers-after-gnrh-treatment-on-day-23-and-timing-of-insemination-in-14-day-cidr-protocol
#12
R K Kasimanickam, J B Hall, W D Whittier
This study compared artificial insemination pregnancy rate (AI-PR) between 14-day CIDR-GnRH-PGF2α-GnRH and CIDR-PGF2α-GnRH synchronization protocol with two fixed AI times (56 or 72 hr after PGF2α). On day 0, heifers (n = 1311) from nine locations assigned body condition score (BCS: 1, emaciated; 9, obese), reproductive tract score (RTS: 1, immature, acyclic; 5, mature, cyclic) and temperament score (0, calm; and 1, excited) and fitted with a controlled internal drug release (CIDR, 1.38 g of progesterone) insert for 14 days...
November 14, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27849375/simvastatin-decreases-sex-hormone-levels-of-male-rats
#13
Xiujuan Zhang, Jia Li, Xiaoming Zhou, Qingbo Guan, Jiajun Zhao, Ling Gao, Chunxiao Yu, Yong Wang, Changting Zuo
AIM: Statins can inhibit the rate limiting enzyme HMG-CoA reductasein to reduce cholesterol biosynthesis and they are used frequently in the clinic. Cholesterol is also known as precursor material used to produce the sex hormones. However, it is not clear whether statins can affect sex hormone levels or not. The aim of this study is to investigate the effect of long-term use of statins on sex hormone levels in vivo. METHODS: Forty male SD rats were randomly divided into 4 groups...
November 16, 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27845056/antidepressant-like-effects-of-yl-ipa08-a-potent-ligand-for-the-translocator-protein-18%C3%A2-kda-in-chronically-stressed-rats
#14
Li-Ming Zhang, Yu-Lu Wang, Yan-Qin Liu, Rui Xue, You-Zhi Zhang, Ri-Fang Yang, Yun-Feng Li
The present study aimed to examine the molecular and cellular mechanisms underlying the antidepressant-like effect of YL-IPA08, a novel TSPO ligand designed and synthesized at our institute. We firstly used the chronic unpredictable stress (CUS) procedure of rats, a well validated stress-related animal model of depression, to further determine the antidepressant-like of YL-IPA08. And we found that YL-IPA08 caused significant suppression of inhibiting of locomotor activity, reducing the sucrose preference and increasing the latency to eat induced by CUS...
February 2017: Neuropharmacology
https://www.readbyqxmd.com/read/27836377/-prevention-of-spontaneous-preterm-birth-excluding-preterm-premature-rupture-of-membranes-guidelines-for-clinical-practice%C3%A2-%C3%A2-text-of-the-guidelines-short-text
#15
L Sentilhes, M-V Sénat, P-Y Ancel, E Azria, G Benoist, J Blanc, G Brabant, F Bretelle, S Brun, M Doret, C Ducroux-Schouwey, A Evrard, G Kayem, E Maisonneuve, L Marcellin, S Marret, N Mottet, S Paysant, D Riethmuller, P Rozenberg, T Schmitz, H Torchin, B Langer
OBJECTIVES: To determine the measures to prevent spontaneous preterm birth (excluding preterm premature rupture of membranes)and its consequences. MATERIALS AND METHODS: The PubMed database, the Cochrane Library and the recommendations from the French and foreign obstetrical societies or colleges have been consulted. RESULTS: In France, premature birth concerns 60,000 neonates every year (7.4 %), half of them are delivered after spontaneous onset of labor...
December 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/27833181/does-levonorgestrel-emergency-contraceptive-have-a-post-fertilization-effect-a-review-of-its-mechanism-of-action
#16
REVIEW
Rebecca Peck, Walter Rella, Julio Tudela, Justo Aznar, Bruno Mozzanega
BACKGROUND: Recent studies have identified that levonorgestrel administered orally in emergency contraception (LNG-EC) is only efficacious when taken before ovulation. However, the drug does not consistently prevent follicular rupture or impair sperm function. OBJECTIVE: The present systematic review is performed to analyze and more precisely define the extent to which pre-fertilization mechanisms of action may explain the drug's efficacy in pregnancy avoidance...
February 2016: Linacre Quarterly
https://www.readbyqxmd.com/read/27823998/role-of-cervical-cerclage-and-vaginal-progesterone-in-the-treatment-of-cervical-incompetence-with-without-preterm-birth-history
#17
Shao-Wei Wang, Lin-Lin Ma, Shuai Huang, Lin Liang, Jun-Rong Zhang
BACKGROUND: Preterm birth (PTB) is the leading cause of perinatal morbidity and mortality worldwide, and its prevention is an important health-care priority. The cervical incompetence is a well-known risk factor for PTB and its incidence is about 0.1-2.0%, while there is no ideal optimum treatment recommended currently. The cervical incompetence causes about 15% of habitual abortion in 16-28 weeks. This study aimed to evaluate the effectiveness and safety of cervical cerclage and vaginal progesterone in the treatment of cervical incompetence with/without PTB history...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27819489/does-progesterone-improve-outcome-in-diffuse-axonal-injury
#18
Zahra Soltani, Nader Shahrokhi, Saeed Karamouzian, Mohammad Khaksari, Behshad Mofid, Nouzar Nakhaee, Hamed Reihani
BACKGROUND AND OBJECTIVE: The benefits of progesterone have been demonstrated in the animal models of traumatic brain injury (TBI). However, the results of clinical studies are conflicting. Considering the heterogenic nature of TBI, the effect of progesterone in patients with diffuse axonal injury (DAI) was investigated in a clinical trial. METHODS: In this study, 48 patients with DAI and Glasgow Coma Scale of 3-12, admitted within 4 hours after injury, were randomly assigned to the progesterone or control group...
November 7, 2016: Brain Injury: [BI]
https://www.readbyqxmd.com/read/27814376/progesterone-attenuates-microglial-driven-retinal-degeneration-and-stimulates-protective-fractalkine-cx3cr1-signaling
#19
Sarah L Roche, Alice C Wyse-Jackson, Violeta Gómez-Vicente, Pedro Lax, Ana M Ruiz-Lopez, Ashleigh M Byrne, Nicolás Cuenca, Thomas G Cotter
Retinitis pigmentosa (RP) is a degenerative disease leading to photoreceptor cell loss. Mouse models of RP, such as the rd10 mouse (B6.CXBl-Pde6brd10/J), have enhanced our understanding of the disease, allowing for development of potential therapeutics. In 2011, our group first demonstrated that the synthetic progesterone analogue 'Norgestrel' is neuroprotective in two mouse models of retinal degeneration, including the rd10 mouse. We have since elucidated several mechanisms by which Norgestrel protects stressed photoreceptors, such as upregulating growth factors...
2016: PloS One
https://www.readbyqxmd.com/read/27812845/the-effect-of-post-mating-hcg-or-progesterone-administration-on-reproductive-performance-of-afshari%C3%A2-%C3%A3-%C3%A2-booroola-merino-crossbred-ewes
#20
Behnam Rostami, Rahman Hajizadeh, Mohammad-Hossein Shahir, Davood Aliyari
To investigate the efficiency of hCG/CIDR after breeding to increase the reproductive performance, 35 synchronized ewes were mated with fertile rams and were assigned to three treatment groups. Ewes in hCG group (n = 12) received 400 IU hCG on day 11 post-mating, and ewes in CIDR group (n = 11) received CIDR from day 7 until day 19 post-mating. Ewes in the control group (n = 12) did not receive any treatment. Blood samples were collected on days 7, 12, 17, and 22 post-mating. Plasma P4 concentrations were higher on days 12 and 17 post-mating in hCG- and CIDR-treated groups (P < 0...
November 3, 2016: Tropical Animal Health and Production
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