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https://www.readbyqxmd.com/read/28550713/state-of-the-art-on-oocyte-cryopreservation-in-female-cancer-patients-a-critical-review-of-the-literature
#1
REVIEW
Claudia Massarotti, Paola Scaruffi, Matteo Lambertini, Valentino Remorgida, Lucia Del Mastro, Paola Anserini
During the last decades, important advances in therapeutic options have led to increased survival rates in cancer patients; however, cancer treatments are associated with several potential adverse effects including infertility in those diagnosed during their reproductive years. A proper discussion about fertility preservation options before the use of therapies with potential gonadotoxicity (i.e. oncofertility counseling) is standard of care and should be offered to all patients of childbearing age. Temporary ovarian suppression with LH-RH analogs, oocyte and embryo cryopreservation are standard strategies for fertility preservation in female cancer patients...
May 9, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28550682/long-noncoding-rna-anril-promotes-cervical-cancer-development-by-acting-as-a-sponge-of-mir-186
#2
Jun-Jun Zhang, Dan-Dan Wang, Chen-Xiang Du, Yan Wang
Cervical cancer is a common malignancy of female reproductive system. Long non-coding RNA (lncRNA) has been reported tomodulate tumor progression in multiple cancers. The lncRNA antisense non-coding RNA in the INK4 locus (ANRIL) has been testified as oncogenic molecular in series tumors, however, the function and underlying mechanism involved in cervical cancer oncogenesis is still unclear. In present study, RT-PCR showed that ANRIL expression was significantly up-regulated in cervical cancer tumors and cell lines...
May 22, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550470/hormonal-and-morphological-changes-during-seed-development-of-cypripedium-japonicum
#3
Xiaona Yan, Min Tian, Fen Liu, Caixia Wang, Ying Zhang
With the goal of evaluating the factors that may be influencing the reproductive success of an endangered, terrestrial orchid Cypripedium japonicum Thunb., the anatomical and morphological characteristics of seed development were assessed, as were the levels of endogenous hormones to investigate the possible relationship between hormones and seed development. The results showed that morphological characteristics of seeds were changing from milky white and filiform to brown and fusiform. The development of ovule that initiated on the fertile valves only began after pollination, and a mature embryo sac was produced at 40 days after pollination (DAP)...
May 27, 2017: Protoplasma
https://www.readbyqxmd.com/read/28550462/a-case-control-study-of-the-risk-factors-for-obstetric-fistula-in-tigray-ethiopia
#4
L Lewis Wall, Shewaye Belay, Tesfahun Haregot, Jonathan Dukes, Eyoel Berhan, Melaku Abreha
INTRODUCTION AND HYPOTHESIS: We tested the null hypothesis that there were no differences between patients with obstetric fistula and parous controls without fistula. METHODS: A unmatched case-control study was carried out comparing 75 women with a history of obstetric fistula with 150 parous controls with no history of fistula. Height and weight were measured for each participant, along with basic socio-demographic and obstetric information. Descriptive statistics were calculated and differences between the groups were analyzed using Student's t test, Mann-Whitney U test where appropriate, and Chi-squared or Fisher's exact test, along with backward stepwise logistic regression analyses to detect predictors of obstetric fistula...
May 26, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28550207/atx3-atx4-and-atx5-encode-putative-h3k4-methyltransferases-and-are-critical-for-plant-development
#5
Liqun Chen, Jinhong Luo, Zhenhai Cui, Ming Xue, Li Wang, Xiaoyu Zhang, Wojtek P Pawlowski, Yan He
Methylation of lysine residues in the tail of the H3 histone is a key regulator of chromatin state and gene expression, conferred by a large family of enzymes containing an evolutionarily-conserved SET domain. One of the main types of SET domain proteins are those controlling H3K4 di- and trimethylation. The genome of Arabidopsis encodes 12 such proteins, including five ARABIDOPSIS TRITHORAX (ATX) proteins and seven ATX-Related (ATXR) proteins. Here we examined three until-now-unexplored ATX proteins, ATX3, ATX4, and ATX5...
May 26, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28550087/transcriptional-networks-in-rodent-models-support-a-role-for-gut-brain-communication-in-neurogenic-hypertension-a-review-of-the-evidence
#6
Jasenka Zubcevic, Ashley Baker, Christopher J Martyniuk
Hypertension (HTN) is the most prevalent condition observed in primary health care. Hypertension shows complex etiology, and neuroinflammation, overactive sympathetic drive, and the microbiome are associated with the disease. To obtain mechanistic perspective into neurogenic HTN, we first constructed a framework for transcriptional regulators of the disease using the Comparative Toxicogenomics Database. This approach yielded a core group of 178 transcripts that are prevalent in HTN, including leptin and neuropeptide Y...
May 26, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28549987/spontaneous-heterotopic-triplets-a-review-of-literature
#7
REVIEW
Pauline Bataille, Augustin Reynard, Guillaume Ducarme
OBJECTIVE: Spontaneous heterotopic triplets, a tubal ectopic pregnancy and a twin pregnancy, are rare disorders. The study aimed to examine all available evidence regarding signs and symptoms, imaging findings, management and newborn outcome of spontaneous heterotopic triplets. DESIGN: A literature search in Medline and EMBASE databases from 2000 to 2016 was conducted. The following key words were employed: 'spontaneous heterotopic pregnancy', OR 'heterotopic triplets'...
May 23, 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28549567/how-stallions-influence-the-dynamic-of-collective-movements-in-two-groups-of-domestic-horses-from-departure-to-arrival
#8
Léa Briard, Jean-Louis Deneubourg, Odile Petit
The role of leader in polygynous species has been solely attributed to the male for some time, but recent studies shown decision making to be distributed within the group. However, the specific reproductive strategy and behavioural repertoire of males in polygynous species such as horses may mean that these individuals still have the potential to play a specific role during decision-making. To investigate this subject, we thoroughly studied the behaviour of two domestic stallions during collective movements of their group...
May 23, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28549563/no-346-advanced-reproductive-age-and-fertility
#9
Kimberly E Liu, Allison Case
OBJECTIVE: To improve awareness of the natural age-related decline in female and male fertility with respect to natural fertility and assisted reproductive technologies (ART), provide recommendations for their management, and to review investigations in the assessment of ovarian aging. OPTIONS: This guideline reviews options for the assessment of ovarian reserve and fertility treatments using ART with women of advanced reproductive age presenting with infertility...
May 23, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28549562/n-o-346-%C3%A3-ge-g%C3%A3-n%C3%A3-sique-avanc%C3%A3-et-fertilit%C3%A3
#10
Kimberly E Liu, Allison Case
OBJECTIFS: Sensibiliser la population à la baisse naturelle de la fertilité avec l'âge, chez les femmes et les hommes, et à l'égard de la reproduction naturelle et des technologies de procréation assistée (TPA); formuler des recommandations de prise en charge; et analyser les méthodes d'évaluation du vieillissement ovarien. OPTIONS: La présente directive clinique passe en revue les options offertes pour l'évaluation de la réserve ovarienne et pour le traitement de l'infertilité faisant appel aux TPA chez les femmes d'âge génésique avancé infertiles...
May 23, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28549462/development-of-a-snp-panel-dedicated-to-parentage-assignment-in-french-sheep-populations
#11
F Tortereau, C R Moreno, G Tosser-Klopp, B Servin, J Raoul
BACKGROUND: The efficiency of breeding programs partly relies on the accuracy of the estimated breeding values which decreases when pedigrees are incomplete. Two reproduction techniques are mainly used by sheep breeders to identify the sires of lambs: animal insemination and natural matings with a single ram per group of ewes. Both methods have major drawbacks, notably time-consuming tasks for breeders, and are thus used at varying levels in breeding programs. As a consequence, the percentage of known sires can be very low in some breeds and results in less accurate estimated breeding values...
May 26, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28549437/p-p-ddt-induces-testicular-oxidative-stress-induced-apoptosis-in-adult-rats
#12
Neila Marouani, Dorsaf Hallegue, Mohsen Sakly, Moncef Benkhalifa, Khémais Ben Rhouma, Olfa Tebourbi
BACKGROUND: The 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (p,p'-DDT) is a known persistent organic pollutant and male reproductive toxicant. The present study is designed to test the hypothesis that oxidative stress mediates p,p'-DDT-induced apoptosis in testis. METHODS: Male Wistar rats received an intraperitoneal (ip) injection of the pesticide at doses of 50 and 100mg/kg for 10 consecutive days. The oxidative stress was evaluated by biomarkers such lipid peroxidation (LPO) and metallothioneins (MTs) levels...
May 26, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28549324/salinity-and-sensitivity-to-endocrine-disrupting-chemicals-a-comparison-of-reproductive-endpoints-in-small-bodied-fish-exposed-under-different-salinities
#13
Thijs Bosker, Giacomo Santoro, Steven D Melvin
The influence of salinity on toxicity outcomes has been demonstrated for various contaminants, but has received limited attention for endocrine disrupting chemicals (EDCs). Short-term laboratory tests using small-bodied fish are an important tool for evaluating impacts of EDCs on reproduction. Tests have been developed for both freshwater and estuarine/marine species, providing an opportunity to assess whether concentrations at which small-bodied fish respond to EDCs may be influenced by salinity. We conducted a semi-quantitative review of short-term laboratory tests with small-bodied fish exposed to EDCs, including 59 studies under freshwater conditions (7 species) and 23 studies conducted under saline conditions (5 species)...
May 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28549301/ecotoxicological-effect-of-ketamine-evidence-of-acute-chronic-and-photolysis-toxicity-to-daphnia-magna
#14
Shih-Wei Li, Yu-Hsiang Wang, Angela Yu-Chen Lin
Ketamine has been increasingly used in medicine and has the potential for abuse or illicit use around the world. Ketamine cannot be removed by conventional wastewater treatment plants. Although ketamine and its metabolite norketamine have been detected to a significant degree in effluents and aquatic environments, their ecotoxicity effects in aquatic organisms remain undefined. In this study, we investigated the acute toxicity of ketamine and its metabolite, along with the chronic reproductive toxicity of ketamine (5-100μg/L) to Daphnia magna...
May 23, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28549265/facile-screening-of-potential-xenoestrogens-by-an-estrogen-receptor-based-reusable-optical-biosensor
#15
Lanhua Liu, Xiaohong Zhou, Yun Lu, Didi Shan, Bi Xu, Miao He, Hanchang Shi, Yi Qian
The apparent increase in hormone-induced cancers and disorders of the reproductive tract has led to a growing demand for new technologies capable of screening xenoestrogens. We reported an estrogen receptor (ER)-based reusable fiber biosensor for facile screening estrogenic compounds in environment. The bioassay is based on the competition of xenoestrogens with 17β-estradiol (E2) for binding to the recombinant receptor of human estrogen receptor α (hERα) protein, leaving E2 free to bind to fluorophore-labeled anti-E2 monoclonal antibody...
May 18, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28549216/agglomeration-determines-effects-of-carbonaceous-nanomaterials-on-soybean-nodulation-dinitrogen-fixation-potential-and-growth-in-soil
#16
Ying Wang, Chong Hyun Chang, Zhaoxia Ji, Dermont C Bouchard, Roger M Nisbet, Joshua P Schimel, Jorge L Gardea-Torresdey, Patricia A Holden
The potential effects of carbonaceous nanomaterials (CNMs) on agricultural plants are of concern. However, little research has been performed using plants cultivated to maturity in soils contaminated with various CNMs at different concentrations. Here, we grew soybean for 39 days to seed production in soil amended with 0.1, 100, or 1000 mg kg-1 of either multi-walled carbon nanotubes (MWCNTs), graphene nanoplatelets (GNPs), or carbon black (CB), and studied plant growth, nodulation, and dinitrogen (N2) fixation potential...
May 26, 2017: ACS Nano
https://www.readbyqxmd.com/read/28549203/polymorphisms-in-the-melatonin-receptor-gene-promoter-and-their-associations-with-fertility-characteristics-in-buffalo-herd-in-eastern-amazon
#17
E M Barbosa, B B Souza, R C Guimarães, L K N Silva, J S N Azevedo, E C Gonçalves, H F L Ribeiro, S T Rolim Filho, E Silva Filho
Buffalo production is spreading globally because of its economic advantage. Then, it has become necessary to improve the reproductive and productive efficiency of these animals, as well as to look for genetic factors that increase this efficiency. The objectives of this study were to characterize the promoter region of the melatonin 1A receptor gene (MTRN1A), to detect possible SNPs and associate them with fertility characteristics, and identify binding sites of transcription factors involved in the regulation of genetic expression in buffaloes in the Amazon...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549190/newborn-care-practices-and-health-seeking-behavior-in-rural-eastern-ethiopia-a-community-based-study
#18
Betemariam Gebre, Sibhatu Biadgilign, Zinaw Taddese, Kebede Deribe, Tsigereda Legesse, Meftuh Omar
Background: Most of the newborn deaths in developing countries occur at home. Up to two-thirds of these deaths would have been prevented if mothers and newborns had received known and effective interventions. The objective of this study is to determine newborn-care practices and health-seeking behavior in rural Eastern Ethiopia. Methods: A community-based cross-sectional study was conducted in Adadle district, Ethiopian Somali Regional State. A multi-stage random sampling technique was applied...
May 26, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28549157/exposure-to-acute-psychosocial-stress-disrupts-the-luteinizing-hormone-surge-independent-of-estrous-cycle-alterations-in-female-mice
#19
Elizabeth R Wagenmaker, Suzanne M Moenter
The disruptive effects of severe stress on reproductive function are well documented, but surprisingly few studies exist that demonstrate milder psychosocial stressors interfere with the ovarian cycle in females. We hypothesized repeated application of psychosocial stress would disrupt estrous cycles in mice. Mice were transferred to a new cage, transported to a new room and restrained (2h) for 21 consecutive days. Contrary to our hypothesis, this paradigm did not affect estrous cycles. We next tested the hypothesis that a single exposure to mild stress disrupts a specific aspect of the cycle: the proestrous luteinizing hormone (LH) surge...
May 25, 2017: Endocrinology
https://www.readbyqxmd.com/read/28549062/reproductive-endocrinology-cycling-through-the-menstrual-cycle-an-out-of-body-experience
#20
Donald E Ingber
No abstract text is available yet for this article.
May 26, 2017: Nature Reviews. Endocrinology
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