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https://www.readbyqxmd.com/read/29684809/simultaneous-effects-of-igf1-and-fadrozole-on-parthenogenesis-and-pluripotency-markers-in-chicken-embryo
#1
Zohreh Hajihoseini, Shahin Eghbalsaied
So far, a synergistic effect was detected between insulin-like growth factor-I (IGF1) and anti-aromatase for sex reversal and pre-/post-natal growth of fertilized chicken embryo. Here, we hypothesized whether the growth and sexual female-to-male reversal effects of IGF1 and an anti-aromatase, Fadrozole, could improve the development of unfertilized, parthenogenetic chicken embryos. Simultaneous administration of IGF1 and Fadrozole increased the percentage of grade A embryos from 1.7% (no injection group) to 70...
April 13, 2018: Theriogenology
https://www.readbyqxmd.com/read/29684212/cadmium-exposure-of-female-mice-impairs-the-meiotic-maturation-of-oocytes-and-subsequent-embryonic-development
#2
Jia-Qiao Zhu, Yang Liu, Jiang-Hong Zhang, Yan-Fang Liu, Jiang-Qin Cao, Zhu-Tao Huang, Yan Yuan, Jian-Chun Bian, Zong-Ping Liu
Cadmium is one major pollutant that is highly toxic to animals and humans. The mechanism of cadmium toxicity on the female reproductive system, particularly oocyte maturation and fertility, remains to be clarified. In the present study, we used a mouse model to investigate the effects of cadmium in the drinking water on the meiotic maturation of oocytes and subsequent embryonic development, and the underlying mechanisms associated with the impairment of oocyte maturation such as mitochondrial distribution and histone modifications...
April 19, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29684118/spontaneous-endometriosis-in-cynomolgus-monkeys-as-a-clinically-relevant-experimental-model
#3
A Nishimoto-Kakiuchi, S Netsu, S Okabayashi, K Taniguchi, H Tanimura, A Kato, M Suzuki, T Sankai, R Konno
STUDY QUESTION: Does spontaneous endometriosis in cynomolgus monkeys have the characteristics required of a good experimental model? SUMMARY ANSWER: Spontaneous endometriosis in cynomolgus monkeys exhibited similar clinicopathological characteristics to the human disease and was useful as an experimental model. WHAT IS KNOWN ALREADY: The prevalence of endometriosis in autopsied cynomolgus monkeys (Macaca fascicularis) in a breeding colony was reported to be 28...
April 19, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29681822/mullerianosis-of-the-urinary-bladder-a-case-report
#4
Rawan Abdul Razack Amir, Khalid M Taheini, Salwa S Sheikh
Mullerianosis is a rare entity consisting of an admixture of 2 or more of the following tissues: endometriosis, endocervicosis, and endosalpingiosis. It most commonly affects the urinary bladder and affects females of fertile age. It presents clinically as hematuria, dysuria, and pelvic pain which may be associated with menstruation. Radiologically and macroscopically, it typically presents as a polypoid mass in the dome or posterior wall of the bladder. Histologically, it consists of glands of varying size lined by endometrial, endocervical, or tubal epithelium...
January 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/29681721/progesterone-hypersensitivity-a-challenge-for-luteal-support
#5
Astha Gupta, Deepak Goenka, Mohan L Goenka
Progesterone hypersensitivity is a rare phenomenon which can occur after both endogenous and exogenous exposures. We present a case of hypersensitivity to various forms and routes of exogenous progesterone. A 27-year-old female presented with primary infertility. Investigations revealed Grade 1 endometriosis and polycystic ovary syndrome. Three cycles of intrauterine insemination were attempted which were unsuccessful and in vitro fertilization was proceeded. Six blastocysts of Grade A were formed and cryopreserved...
January 2018: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29679989/d1-but-not-d2-dopamine-receptor-regulates-steroid-levels-during-the-final-stages-of-pikeperch-gametogenesis
#6
J Roche, D Żarski, A Khendek, I Ben Ammar, C Broquard, A Depp, Y Ledoré, T Policar, P Fontaine, S Milla
In pikeperch, Sander lucioperca, aquaculture hormonal treatment is usually applied to synchronize ovulation. However, the effect of dopamine (DA) receptor antagonists, in particular those blocking the D1 DA receptors, remains unknown. Thus, the aim of the present study was to investigate and compare the effects of D1 and D2 DA receptor antagonists on the sex-steroid production and reproductive performance of the species. Two experiments were performed during which mature pikeperch females were injected with different molecules: NaCl 0...
April 22, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29678769/exposure-to-beta-cypermethrin-impairs-the-reproductive-function-of-female-mice
#7
Yong-Jiang Zhou, Xiao-Dan Wang, Sha Xiao, De-E Yu, Li-Qing Wang, Ji-Hong Wang, Hui-Quan Zhu
This study aimed to investigate the effects of beta-cypermethrin (β-CYP) on female reproductive function and examine the morphology of the uterine endometrium and follicular development. The results found that the rate of successful pregnancy in the β-CYP-treated groups significantly decreased. The levels of serum E2 and FSH were significantly increased in the β-CYP-treated groups. The concentrations of serum P and LH were significantly decreased in the β-CYP-treated groups. The uterine endometrium was damaged and the endometrial pinopode was markedly inhibited...
April 17, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29676634/impact-of-seasonal-winter-air-pollution-on-health-across-the-lifespan-in-mongolia-and-some-putative-solutions
#8
David Warburton, Nicole Warburton, Clarence Wigfall, Ochir Chimedsuren, Delgerzul Lodoisamba, Sereeter Lodoysamba, Badarch Jargalsaikhan
Environmental pollution of the air, water, and soil comprise an increasingly urgent challenge to global health, well-being, and productivity. The impact of environmental pollution arguably has its greatest impact across the lifespan on children, women of childbearing age, and pregnant women and their unborn children, not only because of their vulnerability during development, but also because of their subsequent longevity. Ulaanbaatar, Mongolia, is a highly instructive, perhaps extreme, example of what happens with recent, rapid urbanization...
April 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29676492/the-effect-of-n-6-n-3-fatty-acid-ratios-on-broiler-breeder-performance-hatchability-fatty-acid-profile-and-reproduction
#9
A Khatibjoo, H Kermanshahi, A Golian, M Zaghari
This experiment was conducted to study the effect of dietary omega6 (n-6) to omega3 (n-3) fatty acid (FA) ratios on performance and reproduction of broiler breeders. In experiment 1, 400 females and 40 males (30 week age) of Ross 308 broiler breeder (20 females and two males in each pen) were randomly assigned to one of the four diets with n-6/n-3 FA ratios of 4, 6, 8 and 16 (control). As a measure of hatchability, fertility of eggs and general incubation traits, 1,200 eggs (60 eggs from each pen) were collected and incubated for 21 days and embryo liver and brain fatty acid profile in 14 and 21 days were determined...
April 20, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29674245/effects-of-multiple-life-stage-exposure-to-the-fungicide-prochloraz-in-xenopus-laevis-manifestations-of-antiandrogenic-and-other-modes-of-toxicity
#10
Jonathan T Haselman, Patricia A Kosian, Joseph J Korte, Allen W Olmstead, Sigmund J Degitz
The Larval Amphibian Growth and Development Assay (LAGDA) is an internationally harmonized testing guideline for evaluating effects of chronic chemical exposure in amphibians. In order to evaluate the effects of chronic exposure to an antiandrogenic chemical in an amphibian model, prochloraz was tested using a variation of the LAGDA design. Exposure was initiated with <1d post-fertilization embryos at nominal concentrations of 0, 6.7, 20, 60 and 180 μg/L (0, 18, 53, 159, 478 nM) and continued in flow-through conditions until two months following the median time that controls completed metamorphosis...
April 3, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29674220/childbearing-across-borders-fertility-and-parenthood-attitudes-and-decisions-among-breast-cancer-survivors-in-usa-and-portugal
#11
Vânia Gonçalves, Janella Hudson, Maria Cristina Canavarro, Julie Morris, M Catherine Lee, Kristine A Donovan, Steven K Sutton, Susan T Vadaparampil, Gwendolyn P Quinn
OBJECTIVE: To compare fertility and childbearing attitudes and decisions of Portuguese and American female reproductive aged breast cancer survivors. METHODS: This was a cross-sectional study of 102 young breast cancer survivors (59 from Portugal and 43 from USA). Demographic, clinical and reproductive information were collected. Fertility and parenthood attitudes and decisions were assessed through a self-report questionnaire devised specifically for the study...
April 16, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29673372/social-capital-and-fertility-behaviors-among-female-workers-in-healthcare-settings-study-protocol-of-a-sequential-explanatory-mixed-methods-study
#12
Mojgan Firouzbakht, Aram Tirgar, Karimollah Hajian-Tilaki, Abbas Ebadi, Fatemeh Bakouei, Maryam Nikpour, Mohammad Esmaeil Riahi
BACKGROUND: Fertility rate in Iran has decreased by more than 70% in the last three decades. Continuous decrease in fertility rate will create socioeconomic crises for the country in a near future. A significant factor behind fertility behaviors is women's attitudes towards maternal and spousal roles. Such attitudes are mainly determined by social capital. This study aims to determine and explore of relationship between social capital and fertility behavior among female healthcare workers...
April 19, 2018: Reproductive Health
https://www.readbyqxmd.com/read/29673111/comparison-of-epidemiological-features-clinicopathological-features-and-treatments-between-premenopausal-and-postmenopausal-female-breast-cancer-patients-in-western-china-a-retrospective-multicenter-study-of-15-389-female-patients
#13
REVIEW
Fan Feng, Yuxian Wei, Ke Zheng, Yujing Li, Lu Zhang, Tielin Wang, Yanli Zhang, Hongyuan Li, Guosheng Ren, Fan Li
Premenopausal and postmenopausal breast cancers are considered different types. Thus, this study aimed to explore differences in risk factors, epidemiological features, clinicopathological features, and treatment modes of premenopausal breast cancer compared to postmenopausal patients in western China. This was a hospital-based, retrospective, multicenter epidemiological study of patients with breast cancer. Using the Western China Clinical Cooperation Group database, we obtained the records of 15,389 female breast cancers between January 2010 and April 2017...
April 19, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29671763/cd9-and-cd81-interactions-and-their-structural-modelling-in-sperm-prior-to-fertilization
#14
Michaela Frolikova, Pavla Manaskova-Postlerova, Jiri Cerny, Jana Jankovicova, Ondrej Simonik, Alzbeta Pohlova, Petra Secova, Jana Antalikova, Katerina Dvorakova-Hortova
Proteins CD9 and CD81 are members of the tetraspanin superfamily and were detected in mammalian sperm, where they are suspected to form an active tetraspanin web and to participate in sperm⁻egg membrane fusion. The importance of these two proteins during the early stages of fertilization is supported by the complete sterility of CD9/CD81 double null female mice. In this study, the putative mechanism of CD9/CD81 involvement in tetraspanin web formation in sperm and its activity prior to fertilization was addressed...
April 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29671678/chronological-age-vs-biological-age-a-retrospective-analysis-on-age-specific-serum-anti-m%C3%A3-llerian-hormone-levels-for-3280-females-in-reproductive-center-clinic
#15
Jieru Zhu, Tao Li, Weijie Xing, Hui Lin, Jianping Ou
The aim of the present study was to determine the correlation between chronological age and biological age by characterizing age-specific serum anti-Müllerian hormone (AMH) values for 3280 Chinese women. A retrospective analysis including 3280 females between 10 to 52 years old was conducted from January 2016 to December 2016 in the clinical laboratory of Center for Reproductive Medicine, The Third Affiliated Hospital of Sun Yat-sen University, China. All included women were divided into several groups by age...
April 19, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29671363/mutation-analysis-of-the-tubb8-gene-in-primary-infertile-women-with-arrest-in-oocyte-maturation
#16
An-Cong Wang, Yu-Song Zhang, Bao-Song Wang, Xiang-Yu Zhao, Feng-Xia Wu, Xiang-Hong Zhai, Ju-Xiang Sun, Shi-Yue Mei
Tubulin beta eight class VIII (TUBB8) is a subtype of β-tubulin that only exists in primates. Mutations in the TUBB8 gene have been proven to cause oocyte maturation arrest. The aim of this study was to identify the new types of mutations in TUBB8. Six women (families) with oocyte maturation arrest and 100 healthy controls were recruited. The sequence of the TUBB8 gene was amplified and analyzed by Sanger sequencing, which revealed a de novo heterozygous variant c.292G > A (p.G98R) of TUBB8 in one affected individual...
April 19, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29667544/proteomic-markers-in-cervical-mucus
#17
Yolanda Fernandez-Hermida, Giuseppe Grande, Micaela Menarguez, Anna Laura Astorri, Rafael Azagra
Cervical Mucus (CM) is a viscous fluid produced by the cervical glands. It plays a key role in the transport and capacitation of sperm through the female genital tract. The CM undergoes modifications that make it have different biophysical and biochemical characteristics throughout the cycle, becoming an important element for the identification of ovulation. Since CM is rich in secreted proteins, it may represent moreover a source of putative biomarkers for female reproductive tract diseases. This review is an attempt to collect relevant knowledge about the physicochemical properties and functions of the cervical mucus, including its important role as a clinical marker of female fertility, and draws attention to CM as a source of potential proteomic biomarkers...
April 18, 2018: Protein and Peptide Letters
https://www.readbyqxmd.com/read/29667456/fertility-and-fertility-preservation-knowledge-awareness-and-attitudes-of-female-graduate-students
#18
Lisa C Hickman, Chelsea Fortin, Linnea Goodman, Xiaobo Liu, Rebecca Flyckt
PURPOSE: To evaluate the general knowledge of female graduate students on reproductive aging and fertility preservation options, as well as to investigate the perceptions, personal beliefs, and desires regarding fertility and preservation modalities. MATERIALS AND METHODS: A cross-sectional online survey study of female graduate students and medical trainees from academic institutions in Ohio was performed. Women were excluded if the online survey was incomplete or if they were >45 years...
April 18, 2018: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/29666724/in-vitro-fertilization-using-luteinizing-hormone-releasing-hormone-injections-resulted-in-healthy-triplets-without-increased-attack-rates-in-a-hereditary-angioedema-case
#19
Ceyda Tunakan Dalgıç, Fatma Düşünür Günsen, Gökten Bulut, Emine Nihal Mete Gökmen, Aytül Zerrin Sin
Hereditary angioedema due to C1-inhibitor deficiency (C1-INH-HAE) is a rare, autosomal dominant disorder. The management of pregnant patients with C1-INH-HAE is a challenge for the physician. Intravenous plasma-derived nanofiltered C1-INH (pdC1INH) is the only recommended option throughout pregnancy, postpartum, and breastfeeding period. In order to increase pregnancy rates, physicians use fertilization therapies increasing endogen levels of estrogens. Therefore, these techniques can provoke an increase in the number and severity of edema attacks in C1-INH-HAE...
2018: Case Reports in Immunology
https://www.readbyqxmd.com/read/29662964/comparison-of-the-effects-of-ginger-extract-with-clomiphene-citrate-on-sex-hormones-in-rats-with-polycystic-ovarian-syndrome
#20
Shekoufeh Atashpour, Hossein Kargar Jahromi, Zahra Kargar Jahromi, Mozhgan Maleknasab
Background: Polycystic ovarian syndrome (PCOS) is the most common endocrine disorder in women which affect fertility. Clomiphene citrate is used as first-line treatment for this disorder, which is associated with some complications and therapeutic resistance. Objective: In this research, we compare the effectiveness of ginger with clomiphene on sexual hormones such as Luteinizing hormone (LH), Follicle-stimulating hormone (FSH), estrogen and progesterone in order to treat PCOS effectively with fewer side effects...
September 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
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