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https://www.readbyqxmd.com/read/29334661/altered-expression-of-il-1%C3%AE-il-1ri-il-1rii-il-1ra-and-il-4-could-contribute-to-anovulation-and-follicular-persistence-in-cattle
#1
A F Stassi, M E Baravalle, E M Belotti, A N Amweg, E Angeli, M M L Velázquez, F Rey, N R Salvetti, H H Ortega
Cystic ovarian disease (COD) is an important cause of infertility in dairy cattle. The main signs of this infertility are ovulation failure and follicular persistence. The aim of this study was to examine the expression of the cytokines IL-1β, IL-1RI, IL-1RII, IL-1RA and IL-4 in ovarian follicular structures at different times of persistence in a model of follicular persistence induced by prolonged administration of progesterone in dairy cows. Protein expression of IL-1β, IL-1RI, IL-1RII, IL-1RA and IL-4 was evaluated by immunohistochemistry...
January 3, 2018: Theriogenology
https://www.readbyqxmd.com/read/29331885/autonomously-hyperfunctioning-cystic-nodule-harbouring-thyroid-carcinoma-case-report-and-literature-review
#2
Maria João Lima, Virgínia Soares, Pedro Koch, Artur Silva, António Taveira-Gomes
INTRODUCTION: Hyperthyroidism is rarely associated with malignancy, but it cannot rule out thyroid cancer. Although there is published data describing this coexistence, thyroid carcinomas inside autonomously functioning nodules are uncommon. PRESENTATION OF CASE: A 49-year-old woman presented with a cervical mass, unexplained weight loss and anxiousness, sweating and insomnia. On physical examination, she had a palpable left thyroid nodule. Thyroid function tests showed suppressed TSH (<0,1 uUI/mL), thyroxine 1,44 ng/dL (normal range 0,70-1,48) and triiodothyronine 4,33 pg/mL (normal range 1,71-3,71)...
January 8, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29288344/fdc-tfh-interactions-within-cervical-lymph-nodes-of-siv-infected-rhesus-macaques
#3
Rajnish S Dave, Ravi K Sharma, Roshell R Muir, Elias Haddad, Sanjeev Gumber, Francois Villinger, Artinder P Nehra, Zafar K Khan, Brian Wigdahl, Aftab A Ansari, Siddappa N Byrareddy, Pooja Jain
Cerebrospinal fluid (CSF) drains via the lymphatic drainage pathway. This lymphatic pathway connects the central nervous system (CNS) to the cervical lymph node (CLN). As the CSF drains to CLN via the dural and nasal lymphatics, T cells and antigen presenting cells pass along the channels from the subarachnoid space through the cribriform plate. Human immunodeficiency virus (HIV) may also egress from the CNS along this pathway. As a result, HIV egressing from the CNS may accumulate within the CLN. Towards this objective, we analyzed CLNs isolated from rhesus macaques that were chronically-infected with simian immunodeficiency virus (SIV)...
December 29, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/29282414/level-of-vitamin-e-in-follicular-fluid-and-serum-and-oocyte-morphology-and-embryo-quality-in-patients-undergoing-ivf-treatment
#4
Mohammad Hadi Bahadori, Seyedeh Hajar Sharami, Fereshteh Fakor, Forozan Milani, Davoud Pourmarzi, Seyedeh Fatemeh Dalil-Heirati
Objective: This study aimed to determine the relationship between vitamin E in the follicular fluid (FF) and serum with oocyte morphology and embryo quality. Materials and methods: A cross-sectional study was conducted on serum samples, FF samples, oocytes, and embryos collected from 50 women undergoing in vitro fertilization in the Alzahra Hospital, Rasht, Iran from March to August 2014. Vitamin E level was measured using HPLC. Oocyte morphology and embryo quality were evaluated during inverted optical microscopy...
June 2017: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/29275592/-the-effect-of-follicular-fluid-from-patients-with-endometriosis-follicle-stimulating-hormone-and-bone-morphogenetic-protein-15-on-the-proliferation-and-progesterone-secretion-of-granular-cells
#5
X F Wang, X N Lin, Y D Dai, X Lin, H M Lü, F Zhou, S Y Zhang
Objective: The study was designed to evaluate the effect of follicular fluid from patients with endometriosis, follicle stimulating hormone (FSH), bone morphogenetic protein 15 (BMP-15) on the proliferation and progesterone secretion of human luteinized granular cells in vitro. Methods: Cumulus granulosa cells were collected from the patients who underwent in vitro fertilization and embryo transfer (IVF-ET) ovulation due to tubal or male factor infertility on the day of the retrieval. The cells in the control group were cultured with complete medium of DMEM/F-12, an extra of FSH at a dose of 12 μg/L was added in the FSH group, an extra of BMP-15 at a dose of 6 μg/L was added to the BMP-15 group, an extra of 5% of the follicular fluid from the patients with tubal or male factor infertility was added to the tubal group, an extra of 5% of the follicular fluid from the patients with endometriosis infertility was added to the endometriosis group, an extra of 5% of the follicular fluid from the patients with endometriosis infertility plus FSH at a dose of 12 μg/L were added to the endometriosis plus FSH group, and an extra of 5% of the follicular fluid from the patients with endometriosis infertility plus BMP-15 at a dose of 6 μg/L were added to the endometriosis plus BMP-15 group...
December 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29262378/occurrence-of-sulfonated-steroids-and-ovarian-expression-of-steroid-sulfatase-and-sult1e1-in-cyclic-cows
#6
Carina Blaschka, Gerhard Schuler, Alberto Sánchez-Guijo, Bettina Zimmer, Sabine Feller, Franziska Kotarski, Stefan A Wudy, Christine Wrenzycki
Historically sulfonated steroids were primarily considered as inactive metabolites destined for elimination. However, more recently they have been increasingly recognized as precursors for the production of bioactive steroids in target tissues and as functional molecules without preceding hydrolysis. In order to comprehensively characterize their occurrence in cyclic cows and their formation and hydrolysis in bovine ovarian steroidogenesis, ovaries from cyclic cows were screened for the expression of oestrogen sulfotransferase (SULTE1) and steroid sulfatase (STS) by Western blot and immunohistochemistry...
December 17, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29259492/intra-follicular-kisspeptin-levels-are-related-to-oocyte-maturation-and-gonadal-hormones-in-patients-who-are-undergoing-assisted-reproductive-technology
#7
Yuka Taniguchi, Akira Kuwahara, Ayaka Tachibana, Yuya Yano, Kiyohito Yano, Yuri Yamamoto, Mikio Yamasaki, Takeshi Iwasa, Kenji Hinokio, Toshiya Matsuzaki, Minoru Irahara
Purpose: To assess the kisspeptin concentrations in follicular fluid and their relationship with clinical outcomes during assisted reproductive technology. Methods: Thirty-nine patients who were aged 24-40 years and underwent oocyte retrieval for in vitro fertilization/intracytoplasmic sperm injection participated in this study. In 65 follicular fluid samples that had been obtained from 30 patients and their blood samples, the kisspeptin levels were measured in order to investigate the correlations with their gonadal hormone levels...
October 2017: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29259460/possible-ability-of-bovine-follicular-fluid-to-attract-migrating-bull-spermatozoa
#8
Md Anisuzzaman Mondal, Yuji Takagi, Shoji A Baba, Koh-Ichi Hamano
Aim: To examine the potential of bovine follicular fluid (BFF) to attract bull spermatozoa. Methods: The ability of the BFF to attract bull sperm was evaluated by observing changes in sperm migration after being placed in a cross-column chamber. The movement parameters of the heads and flagella of the sperm that were attracted to the BFF were analyzed by using the Computer Assisted Sperm Analysis system. Results: It was observed that 61.6% of the bull sperm migrated toward the BFF when the BFF was used at a concentration of 0...
April 2017: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29247565/oocyte-oxidative-dna-damage-may-be-involved-in-minimal-mild-endometriosis-related-infertility
#9
Michele Gomes Da Broi, Alceu Afonso Jordão-Jr, Rui Alberto Ferriani, Paula Andrea Navarro
Early endometriosis is associated with infertility, and oxidative stress may play a role in the pathogenesis of disease-related infertility. This prospective case-control study aimed to compare the presence of oxidative stress markers in the follicular microenvironment and systemic circulation of infertile women with minimal/mild endometriosis (EI/II) versus individuals undergoing controlled ovarian stimulation for intracytoplasmic sperm injection (ICSI). Seventy-one blood samples (27 from infertile women with EI/II and 44 controls with tubal and/or male infertility factor) and 51 follicular fluid samples (19 EI/II and 32 controls) were obtained on the day of oocyte retrieval...
December 16, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/29247445/effects-of-zinc-supplementation-during-in-vitro-maturation-on-meiotic-maturation-of-oocytes-and-developmental-capacity-in-yak
#10
Xianrong Xiong, Daoliang Lan, Jian Li, Yaqiu Lin, Xiangdong Zi
Zinc (Zn) is an essential trace element that is required during mammalian developmental processes. The objective of this study was to investigate the effects of Zn supplementation during in vitro maturation (IVM) on the developmental capacity of yak (Bos grunniens) oocytes. Cumulus expansion, nuclear maturation, intracellular glutathione (GSH), reactive oxygen species (ROS) levels, superoxide dismutase (SOD) activity, subsequent embryonic development, and the expression of Zn transporters (ZnTs) and Zrt and Irt-like proteins (ZiPs) were evaluated...
December 15, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29243796/can-high-levels-of-d-chiro-inositol-in-follicular-fluid-exert-detrimental-effects-on-blastocyst-quality
#11
K Ravanos, G Monastra, T Pavlidou, M Goudakou, N Prapas
OBJECTIVE: It was previously shown that higher concentrations of myo-inositol in human follicular fluid improve oocyte and embryo quality, whereas D-chiro-inositol seems to worsen oocyte quality and ovarian response in polycystic ovary syndrome patients. Our study was the first one aiming to test whether different myo-inositol and D-chiro-inositol concentration in follicular fluids correlate with blastocyst quality in healthy young women. PATIENTS AND METHODS: Eight egg donors and eleven couples undergoing in vitro fertilization, were involved in a prospective observational study...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29233909/oral-contraceptives-and-renal-water-handling-a-diurnal-study-in-young-women
#12
Charlotte Graugaard-Jensen, Gitte M Hvistendahl, Jørgen Frøkiær, Peter Bie, Jens Christian Djurhuus
To test the hypothesis that use of oral contraceptives (OC) changes diurnal variation in fluid balance mechanisms including blood pressure, secretion of vasopressin and oxytocin, and renal water and electrolyte excretion. Fifteen naturally cycling (NC) women in mid-follicular phase and 11 long-term OC users were included in a 24-h standardized inpatient study for measurements of vasopressin, oxytocin, sodium, and osmolality in plasma as well as urinary excretion of electrolytes, aquaporin-2, and prostaglandin E2...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29233618/nutritional-impact-on-gene-expression-and-competence-of-oocytes-used-to-support-embryo-development-and-livebirth-by-cloning-procedures-in-goats
#13
C C L Fernandes, L H Aguiar, C E M Calderón, A M Silva, J P M Alves, R Rossetto, L R Bertolini, M Bertolini, D Rondina
Changes in the nutritional plan have been shown to affect oocyte quality, crucial to oocyte donors animals used in cloning. This study aimed to evaluate the impact of diets with increasing nutritional levels (maintenance diet=M; 1.3M; 1.6M; 1.9M) fed to goats for four weeks on follicular fluid composition, gene expression and oocyte competence used to cloning in goats. Donor females were superovulated for the retrieval of matured oocytes and physical measurements reported. After four weeks, groups receiving diets above maintenance increased thickness of subcutaneous adipose tissue and body weight, with higher values in 1...
October 19, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29233502/is-there-an-association-between-artificial-sweetener-consumption-and-in-vitro-reproduction-outcomes
#14
Amanda Souza Setti, Daniela Paes de Almeida Ferreira Braga, Gabriela Halpern, Rita de Cássia S Figueira, Assumpto Iaconelli, Edson Borges
Previous studies have suggested an association between high intake of sweetened beverages and a number of adverse health outcomes. In this cross-sectional study, we investigated the association between daily consumption of sweetened soft drinks or coffee and the outcome of intracytoplasmic sperm injection (ICSI) treatment. Patients (n = 524) were interviewed by a nutritionist before ICSI treatment, using a food frequency questionnaire. Regression analysis showed that consumption of ≥3 servings of regular soft drinks or any amount of diet soft drinks was associated with oocyte dysmorphism, diminished embryo quality on days 2 and 3 of culture, and a mild effect on blastocyst formation, implantation and pregnancy rate...
November 28, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29233207/the-dynamic-pattern-of-plin3-in-pig-oocytes-and-cumulus-cells-during-in-vitro-maturation
#15
Mingzhu Xu, Yaqiong Zeng, Daming Chi, Linan Si, Xiao Qu, Juan Li
Lipid droplets (LDs) are the main energy resource for porcine preimplantation embryonic development. PLIN3 has been implicated in LD formation and regulation. Therefore, this study aimed to detect the dynamic pattern of PLIN3 in pig oocytes and cumulus cells (CC) during in vitro maturation (IVM), and to determine the relationship between PLIN3 and LD content. IVM with cumulus-enclosed oocytes (CEO), cumulus-denuded oocytes (DO) and the CCs denuded from the corresponding oocytes (DCC) was performed in porcine follicular fluid (PFF) or PFF-free optimized medium...
December 13, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/29230439/ex-vivo-detection-and-quantification-of-gold-nanoparticles-in-human-seminal-and-follicular-fluids
#16
Dimitrios Bitounis, Jean-Philippe Klein, Lionel Mery, Amira El-Merhie, Valérie Forest, Delphine Boudard, Jérémie Pourchez, Michèle Cottier
Increasing consumption of engineered nanoparticles and occupational exposure to novel, ultrafine airborne particles during the last decades has coincided with deterioration of sperm parameters and delayed fecundity. In order to prevent possible adverse health effects and ensure a sustainable growth for the nanoparticle industry, the ability to investigate the nanosized, mineralogical load of human reproductive systems is becoming a real clinical need. Toward this goal, the current study proposes two methods for the detection and quantification of engineered nanoparticles in human follicular and seminal fluid, developed with the use of well-defined 60 nm Au particles...
December 12, 2017: Analyst
https://www.readbyqxmd.com/read/29229446/clinical-utility-of-decorin-in-follicular-fluid-as-a-biomarker-of-oocyte-potential
#17
Yuki Sawada, Takeshi Sato, Chieko Saito, Fumiko Ozawa, Yasuhiko Ozaki, Mayumi Sugiura-Ogasawara
This study investigated the concentration of decorin (DCN) in mature follicular fluid and the existence in the granulosa cells. It also investigated whether DCN is useful as a biomarker for outcomes of assisted reproductive technology (ART). A retrospective cohort study was performed involving 130 oocytes of 88 patients treated with ART because of unexplained infertility. The concentration of DCN in the follicular fluid (F-DCN) was 39.26ng/ml (median value); it was higher than that in serum. F-DCN of the oocytes fertilized by intracytoplasmic sperm injection (ICSI) was significantly lower than that of oocytes that were not fertilized (33...
December 8, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/29206944/the-direct-and-indirect-effects-of-kisspeptin-54-on-granulosa-lutein-cell-function
#18
L A Owens, A Abbara, A Lerner, S O'floinn, G Christopoulos, S Khanjani, R Islam, K Hardy, A C Hanyaloglu, S A Lavery, W S Dhillo, S Franks
STUDY QUESTION: What are the in vivo and in vitro actions of kisspeptin-54 on the expression of genes involved in ovarian reproductive function, steroidogenesis and ovarian hyperstimulation syndrome (OHSS) in granulosa lutein (GL) cells when compared with traditional triggers of oocyte maturation? SUMMARY ANSWER: The use of kisspeptin-54 as an oocyte maturation trigger augmented expression of genes involved in ovarian steroidogenesis in human GL cells including, FSH receptor (FSHR), LH/hCG receptor (LHCGR), steroid acute regulatory protein (STAR), aromatase, estrogen receptors alpha and beta (ESR1, ESR2), 3-beta-hydroxysteroid dehydrogenase type 2 (3BHSD2) and inhibin A (INHBA), when compared to traditional maturation triggers, but did not alter markers of OHSS...
December 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29201665/the-effect-of-curcumin-on-tnf-%C3%AE-il-6-and-crp-expression-in-a-model-of-polycystic-ovary-syndrome-as-an-inflammation-state
#19
Shima Mohammadi, Parvin Kayedpoor, Latifeh Karimzadeh-Bardei, Mohammad Nabiuni
Background: Having low-grade chronic inflammation such as elevated C-reactive protein (CRP), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) plays a crucial role in polycystic ovary syndrome (PCOS). This study aimed at investigating the therapeutic effects of curcumin on IL-6, CRP and TNF-α and symptoms of polycystic ovary syndrome. Methods: In this research, 72 female adult Wistar rats were divided into control (n=12), PCOS (n=12) and curcumin-treated PCOS groups (n=48)...
October 2017: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/29193229/identification-of-micrornas-and-genes-associated-with-hyperandrogenism-in-the-follicular-fluid-of-women-with-polycystic-ovary-syndrome
#20
Yunping Xue, Juan Lv, Pengfei Xu, Lin Gu, Jian Cao, Lingling Xu, Kai Xue, Qian Li
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common reproductive endocrine disease, which is characterized by hyperandrogenism (HA), chronic anovulation, polycystic ovaries, insulin resistance and obesity. At present, the mechanism by which PCOS/HA occurs has not been fully elucidated, thus, the mechanisms behind and interventions for HA in PCOS are current hot topics in research. MiRNAs have recently been shown to serve as diagnostic or prognostic biomarkers in patients with cancer...
November 28, 2017: Journal of Cellular Biochemistry
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