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https://www.readbyqxmd.com/read/28734133/physicians-self-reported-practice-behaviour-regarding-fertility-related-discussions-in-paediatric-oncology-in-sweden
#1
G M Armuand, J Nilsson, K A Rodriguez-Wallberg, J Malmros, J Arvidson, C Lampic, L Wettergren
OBJECTIVE: The aim of this study was to investigate practice behaviours of Swedish physicians with regard to discussing the impact of cancer treatment on fertility with paediatric oncology patients and their parents, and to identify factors associated with such discussions. METHODS: A cross-sectional survey study was conducted targeting all physicians in Sweden working in paediatric oncology care settings. Participants responded to a questionnaire measuring practice behaviour, attitudes, barriers, and confidence in knowledge...
July 22, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28733816/relative-weighting-of-acoustic-information-during-mating-decisions-in-grasshoppers-indicates-signatures-of-sexual-selection
#2
Jan Clemens, Jennifer Aufderheide, Bernhard Ronacher
The decision with whom to mate is crucial in determining an individual's fitness and is often based on the evaluation of visual or acoustic displays produced during courtship. Accordingly, the algorithms for evaluating such courtship signals are shaped by sexual selection and should reflect the expected benefits and costs of mating: signals bearing heterospecific features should be rapidly rejected, since mating would produce no fertile offspring, while signals resembling conspecific ones should be weighted proportional to mate quality...
July 21, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28733712/fertility-and-ploidy-of-gametes-of-allodiploid-and-allotriploid-loaches-produced-by-diploid-misgurnus-anguillicaudatus-females-and-paramisgurnus-dabryanus-males
#3
Songqian Huang, Xiaojuan Cao, Weimin Wang, Mona Nasr
Artificial and natural hybridization of dojo loach Misgurnus anguillicaudatus (2N = 50, DD for short) and large-scale loach Paramisgurnus dabryanus (2N = 48, PP for short) are well-grown. However, these hybrid loaches have not yet been examined for fertility and ploidy of gametes. Here, histological observations, artificial propagation, observations of embryonic development, larval morphology, and ploidy analyses were conducted to determine the fertility and ploidy of gametes of allodiploid (DP for short) and allotriploid (DDP for short) loaches, produced by DD females × PP males and induced from fertilized eggs of DD females × PP males by cold shock to prevent the second polar body release, respectively...
July 21, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28731586/pregnancy-in-women-with-non-classic-congenital-adrenal-hyperplasia-time-to-conceive-and-outcome
#4
Ori Eyal, Irit Ayalon-Dangur, Anat Segev-Becker, Anita Schachter-Davidov, Shoshana Israel, Naomi Weintrob
OBJECTIVE: Non-classic congenital adrenal hyperplasia (NCAH) is common among Ashkenazi Jews (1:400). It is associated with various degrees of postnatal virilization, irregular menses and infertility. Therapy of symptomatic subjects consists of physiologic doses of glucocorticoids. The objective of this study was to evaluate the effect of glucocorticoid treatment on fertility and on pregnancy outcome in women with NCAH. DESIGN, SETTING AND PATIENTS: This retrospective study included 75 women diagnosed with NCAH who were followed in our clinic and sought fertility between 2008 and 2015...
July 21, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28729672/plasmodium-berghei-p47-is-essential-for-ookinete-protection-from-the-anopheles-gambiae-complement-like-response
#5
Chiamaka Valerie Ukegbu, Maria Giorgalli, Hassan Yassine, Jose Luis Ramirez, Chrysanthi Taxiarchi, Carolina Barillas-Mury, George K Christophides, Dina Vlachou
Malaria is a mosquito-borne disease affecting millions of people every year. The rodent parasite Plasmodium berghei has served as a model for human malaria transmission studies and played a pivotal role in dissecting the mosquito immune response against infection. The 6-cysteine protein P47, known to be important for P. berghei female gamete fertility, is shown to serve a different function in Plasmodium falciparum, protecting ookinetes from the mosquito immune response. Here, we investigate the function of P...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28727763/loss-of-receptor-activity-modifying-protein-2-in-mice-causes-placental-dysfunction-and-alters-pth1r-regulation
#6
Mahita Kadmiel, Brooke C Matson, Scott T Espenschied, Patricia M Lenhart, Kathleen M Caron
Receptor activity-modifying protein 2 (Ramp2) is a single-pass transmembrane protein that heterodimerizes with several family B G-protein coupled receptors to alter their function. Ramp2 has been primarily characterized in association with calcitonin receptor-like receptor (Calcrl, CLR), forming the canonical receptor complex for the endocrine peptide adrenomedullin (Adm, AM). However, we previously demonstrated that Ramp2+/- female mice display a constellation of endocrine-related phenotypes that are distinct from those of Adm+/- and Calcrl+/- mice, implying that RAMP2 has physiological functions beyond its canonical complex...
2017: PloS One
https://www.readbyqxmd.com/read/28727069/system-dynamics-modeling-in-designing-breeding-schemes-the-case-of-menz-sheep-in-ethiopian-highlands
#7
K T Gebre, M Wurzinger, S Gizaw, A Haile, B Rischkowsky, T Getachew, J Sölkner
A comprehensive dynamic simulation model was developed to describe a community-based breeding program for the Menz sheep population of Ethiopia. Selection of male and female animals based on their own and maternal performance was simulated. The breeding goal traits were 6-mo weight, preweaning survival, and fertility rate. The model input data were obtained from the flock book, questionnaires, and references. The simulation model used a mix of deterministic and stochastic procedures to model the complex system...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28725849/the-role-of-oncofertility-clinics-in-facilitating-access-to-reproductive-specialists
#8
Eduardo Hariton, Pietro Bortoletto, Eden R Cardozo, Ephraim P Hochberg, Mary E Sabatini
PURPOSE: To determine the impact of the establishment of a dedicated oncofertility clinic on the frequency of patient referrals for fertility preservation (FP) consultation and the time from patient referral to consultation. METHODS: A retrospective chart review of all women aged 21 to 44 years with an active cancer diagnosis who were referred for FP consultation from 2011 to 2015. RESULTS: A total of 6895 female patients eligible for FP were seen at the Massachusetts General Hospital (MGH) Cancer Center...
December 2016: Journal of patient experience
https://www.readbyqxmd.com/read/28725387/origins-of-two-hemiclonal-hybrids-among-three-hexagrammos-species-teleostei-hexagrammidae-genetic-diversification-through-host-switching
#9
Hiroyuki Munehara, Miho Horita, Motoko R Kimura-Kawaguchi, Aya Yamazaki
Two natural, hemiclonal hybrid strains were discovered in three Hexagrammos species. The natural hybrids, all of which were females that produced haploid eggs containing only the Hexagrammos octogrammus genome (maternal ancestor; hereafter Hoc), generated F1 hybrid-type offspring by fertilization with haploid sperm of Hexagrammos agrammus or Hexagrammos otakii (paternal species; Hag and Hot, respectively). This study was performed to clarify the extent of diversification between the two hybrids and the maternal ancestor...
October 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28725099/changes-in-employment-uncertainty-and-the-fertility-intention-realization-link-an-analysis-based-on-the-swiss-household-panel
#10
Doris Hanappi, Valérie-Anne Ryser, Laura Bernardi, Jean-Marie Le Goff
How do changes in employment uncertainty matter for fertility? Empirical studies on the impact of employment uncertainty on reproductive decision-making offer a variety of conclusions, ranging from gender and socio-economic differences in the effect of employment uncertainty on fertility intentions and behaviour, to the effect of employment on changes in fertility intentions. This article analyses the association between a change in subjective employment uncertainty and fertility intentions and behaviour by distinguishing male and female partners' employment uncertainty, and examines the variation in these associations by education...
2017: European Journal of Population
https://www.readbyqxmd.com/read/28724687/direct-and-trans-generational-effects-of-male-and-female-gut-microbiota-in-drosophila-melanogaster
#11
Juliano Morimoto, Stephen J Simpson, Fleur Ponton
There is increasing evidence of the far-reaching effects of gut bacteria on physiological and behavioural traits, yet the fitness-related consequences of changes in the gut bacteria composition of sexually interacting individuals remain unknown. To address this question, we manipulated the gut microbiota of fruit flies, Drosophila melanogaster, by monoinfecting flies with either Acetobacter pomorum (AP) or Lactobacillus plantarum (LP). Re-inoculated individuals were paired in all treatment combinations. LP-infected males had longer mating duration and induced higher short-term offspring production in females compared with AP-infected males...
July 2017: Biology Letters
https://www.readbyqxmd.com/read/28724183/physiological-intra-cytoplasmic-sperm-injection-picsi-outcomes-after-oral-pretreatment-and-semen-incubation-with-myo-inositol-in-oligoasthenoteratozoospermic-men-results-from-a-prospective-randomized-controlled-trial
#12
T Korosi, C Barta, K Rokob, T Torok
OBJECTIVE: The aim of the current study was to evaluate the effect of an oral pretreatment with a mix of myo-inositol (Myo-Ins), folic acid, vitamin E, L-carnitine, L-arginine and selenium (Folandrol, Exeltis, Hungary) and subsequent direct Myo-Ins incubation of spermatozoa before Physiological Intra-Cytoplasmic Sperm Injection (PICSI) procedures in infertile couples due to oligoasthenoteratozoospermia with previous failed PICSI procedures. PATIENTS AND METHODS: We performed a prospective, randomized controlled trial at the Assisted Reproduction Unit of the Kaáli Institute (Győr, Hungary)...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28724176/myo-inositol-as-a-male-fertility-molecule-speed-them-up
#13
R A Condorelli, S La Vignera, L M Mongioì, S G Vitale, A S Laganà, L Cimino, A E Calogero
Myo-inositol (MYO) usually represents a therapeutic option for female infertility associated with insulin resistance. Recently, several evidences are accumulating about the potential use of MYO for the treatment of male infertility. This article summarizes the rationale for MYO in the treatment of male infertility. In particular, it illustrates the potential antioxidant and prokinetic role of MYO, and its importance for the modulation of hormonal regulation. In the final part of the manuscript has been added a proposal for a clinical algorithm reserved for patients with asthenozoospermia, where probably MYO could exert specific pharmacological effects...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28724173/a-comparative-study-between-myo-inositol-and-metformin-in-the-treatment-of-insulin-resistant-women
#14
K Nas, L Tűű
OBJECTIVE: Insulin resistance (IR) is a common disorder, which can impair female fertility and is characterized by phenotypic heterogeneity. Life-style treatment and insulin sensitizers are commonly used in the management of women with IR and consequent hyperinsulinemia, in order to restore the normal endocrinological and clinical parameters. Metformin (MET) is considered one of the first approaches to this pathology but new evidences are showing promising results using myo-inositol (MYO) in the management of this pathology...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28722165/dimorphic-ejaculates-and-sperm-release-strategies-associated-with-alternative-mating-behaviors-in-the-squid
#15
Lígia H Apostólico, José E A R Marian
Sperm competition is a powerful postcopulatory selective force influencing male adaptations associated with increasing fertilization success, and it is usually related to the evolution of different strategies of ejaculate expenditure between individuals. Ejaculates may also be influenced by additional selective pressures associated with sperm competition, such as timing between insemination and fertilization, female reproductive tract morphology, and fertilization environment. Also, males that adopt alternative mating tactics may face distinct sperm competition pressures, which may lead to the evolution of intraspecific diversity in ejaculates...
July 18, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28721614/low-doses-of-chlorpyrifos-interfere-with-spermatogenesis-of-rats-through-reduction-of-sex-hormones
#16
Dinithi Champika Peiris, Thamali Dhanushka
Use of pesticides results in indirect effects on human health. We aimed to evaluate implications of toxicological effects of subchronic chlorpyrifos exposure on reproductive function in male rats. A total of 48 adult Wistar male rats were separated into four groups (n = 12). Animals were gavaged with 2.5 mg/kg (T1), 5 mg/kg (T2), or 10 mg/kg (T3) body weight of chlorpyrifos (CPF) or distilled water (control) daily for 30 days. Organ weights, epididymal sperm parameters, DNA integrity, sex hormonal (FHS and LH) levels, and alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transferase (GGT), and creatinine concentrations were determined on day 31...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721180/adenomyosis-back-to-the-future
#17
Z Ferraz, N Nogueira-Martins, F Nogueira-Martins
Adenomyosis is a benign invasion of endometrium into the myometrium. It produces a diffusely enlarged uterus and predominantly affects women in the late reproductive age. It has recently been associated with a negative impact on female fertility. Diagnosis is challenging because nonspecific symptoms can be present. However, it is asymptomatic in the majority of women. Medical treatment with GnRH agonist seems to be promising, particularly in subfertile women. A retrospective study was performed (182 patients) by examination of histopathological results with "adenomyosis" between January/2013 and September/2016...
March 2017: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28719918/-the-wish-for-a-child-in-the-case-of-permanent-infertility-development-of-the-german-questionnaire-on-attitudes-toward-motherhood
#18
Maike Fliegner, Hertha Richter-Appelt, Kerstin Krupp, Franziska Brunner
Study 1 Development of the questionnaire Most questionnaires on attitudes toward motherhood presume that the subject is fertile and positive and negative attitudes are represented on a one-dimensional scale. Moreover, the questionnaires often do not provide German versions and German norms. The aim of this study is to examine whether the German Questionnaire on Attitudes toward Motherhood ("FEMu") can be used to describe attitudes toward motherhood multi-dimensionally and whether it is applicable independent of a person's fertility status...
July 18, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28719229/experiences-using-pre-exposure-prophylaxis-for-safer-conception-among-hiv-serodiscordant-heterosexual-couples-in-the-united-states
#19
Angela R Bazzi, Ashley A Leech, Dea L Biancarelli, Meg Sullivan, Mari-Lynn Drainoni
Antiretroviral pre-exposure prophylaxis (PrEP) is a promising HIV prevention strategy for HIV serodiscordant couples (HIV-infected male, uninfected female) seeking safer conception. However, most research on PrEP for safer conception has focused on couples in sub-Saharan Africa; little is known about the perspectives or experiences of heterosexual couples in the United States. We conducted qualitative interviews with six couples (six women and five of their male partners) receiving PrEP for conception services at an urban safety net hospital in the US Northeast...
July 18, 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28718974/pre-pubertal-diet-restriction-reduces-reactive-oxygen-species-and-restores-fertility-in-male-wnin-obese-rat
#20
D M Dinesh Yadav, M N Muralidhar, S M V K Prasad, K Rajender Rao
Obesity is a multifactorial disorder associated with increased body adiposity, chronic oxidative stress which contributes to impaired fertility in males. Diet restriction and anti-oxidant supplementations are known to protect obese subjects from oxidative stress and improves fertility. However, the role of oxidative stress and the age of intervention in restoring male fertility are poorly understood. This study was aimed to assess the effect of diet restriction on fertility with respect to the age of intervention, body composition and oxidative stress using WNIN/Ob obese mutant rat strain...
July 18, 2017: Andrologia
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