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https://www.readbyqxmd.com/read/29352457/geographic-vocal-variation-and-perceptual-discrimination-abilities-in-male-australian-sea-lions
#1
Heidi Ahonen, Robert G Harcourt, Adam J Stow, Isabelle Charrier
Vocal characteristics can vary among and within populations. In species with geographic variation in the structure of vocalizations, individuals may have the ability to discriminate between calls from local and non-local individuals. The ability to distinguish differences in acoustic signals is likely to have a significant influence on the outcome of social interactions between individuals, including potentially mate selection and breeding success. Pinnipeds (seals, fur seals, sea lions and walruses) are highly vocal yet the Australian sea lion (Neophoca cinerea) is the only eared seal known to show geographic vocal variation in male barks...
January 19, 2018: Animal Cognition
https://www.readbyqxmd.com/read/29352157/prevalence-of-parenthood-in-wheelchair-dependent-persons-with-long-term-spinal-cord-injury-in-the-netherlands
#2
K van den Borne, I Brands, D Spijkerman, J J E Adriaansen, K Postma, H J G van den Berg-Emons
STUDY DESIGN: Multicenter  cross-sectional study. OBJECTIVES: To determine the prevalence of parenthood in long-term wheelchair-dependent persons who sustained a spinal cord injury (SCI) during their reproductive years. Secondary aims were to (1) explore patient-specific and disease-related factors associated with parenthood after SCI; and (2) quantify fertility aids used by men with SCI. SETTING: Eight specialized SCI rehabilitation centers in the Netherlands...
January 19, 2018: Spinal Cord
https://www.readbyqxmd.com/read/29351778/a-qualitative-analysis-of-men-s-involvement-in-maternal-and-child-health-as-a-policy-intervention-in-rural-central-malawi
#3
Elizabeth Mkandawire, Sheryl L Hendriks
BACKGROUND: Men's involvement in maternal and child health presents an opportunity for the advancement of maternal and child nutrition as men often play a key role in decision-making particularly regarding women's reproductive health. While most research on men's involvement in maternal and child health has focused on men's participation in antenatal care, this study focuses specifically on men's involvement in maternal and child nutrition. The purpose of the study is to explore how men's involvement is conceptualised in rural Central Malawi, highlighting the key factors influencing men's involvement in maternal and child health...
January 19, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29351633/evolutionary-genetics-of-cytoplasmic-incompatibility-genes-cifa-and-cifb-in-prophage-wo-of-wolbachia
#4
Amelia R I Lindsey, Danny W Rice, Sarah R Bordenstein, Andrew W Brooks, Seth R Bordenstein, Irene L G Newton
The bacterial endosymbiont Wolbachia manipulates arthropod reproduction to facilitate its maternal spread through host populations. The most common manipulation is cytoplasmic incompatibility (CI): Wolbachia-infected males produce modified sperm that cause embryonic mortality, unless rescued by embryos harboring the same Wolbachia. The genes underlying CI, cifA and cifB, were recently identified in the eukaryotic association module of Wolbachia's prophage WO. Here, we use transcriptomic and genomic approaches to address three important evolutionary facets of the cif genes...
January 17, 2018: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29351609/inequity-in-contraceptive-care-between-refugees-and-other-migrant-women-a-retrospective-study-in-dutch-general-practice
#5
Liselotte A D Raben, Maria E T C van den Muijsenbergh
Background: Female refugees are at high risk of reproductive health problems including unmet contraceptive needs. In the Netherlands, the general practitioner (GP) is the main entrance to the healthcare system and plays a vital role in the prescription of contraceptives. Little is known about contraceptive care in female refugees in primary care. Objective: To get insight into GP care related to contraception in refugees and other migrants compared with native Dutch women...
January 17, 2018: Family Practice
https://www.readbyqxmd.com/read/29351587/heat-exposure-induces-oxidative-stress-and-dna-damage-in-the-male-germ-line
#6
Brendan J Houston, Brett Nixon, Jacinta H Martin, Geoffry N D E Iuliis, Elizabeth G Bromfield, Kristen E McEwen, R John Aitkena
The reproductive consequences of global warming are not currently understood. In order to address this issue we have examined the reproductive consequences of exposing male mice to a mild heat stress. For this purpose, adult male mice were exposed to an elevated ambient temperature of 35°C under two exposure models. The first involved acute exposure for 24 hours, followed by recovery periods of between 1 day and 6 weeks. The alternative heating regimen involved a daily exposure of 8 hours for periods of 1 or 2 weeks...
January 17, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29351114/sexual-and-reproductive-issues-and-inflammatory-bowel-disease-a-neglected-topic-in-men
#7
Mariangela Allocca, Daniela Gilardi, Gionata Fiorino, Federica Furfaro, Laurent Peyrin-Biroulet, Silvio Danese
There has been considerable literature on sexual issues in women with inflammatory bowel disease (IBD), but relatively little attention has been paid to these aspects in men. To review the available literature and to provide the best management of sexual and reproductive issues in male patients with IBD. The scientific literature on sexual and reproductive issues in men with IBD was reviewed. Several factors, including surgical and medication treatments, disease activity, lifestyle, and psychological factors, may play a role in the development of infertility and sexual dysfunction and may negatively impact pregnancy outcomes...
January 18, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29350886/the-cell-biology-and-molecular-genetics-of-m%C3%A3-llerian-duct-development
#8
REVIEW
Zahida Yesmin Roly, Brendan Backhouse, Andrew Cutting, Tiong Yang Tan, Andrew H Sinclair, Katie L Ayers, Andrew T Major, Craig A Smith
The Müllerian ducts are part of the embryonic urogenital system. They give rise to mature structures that serve a critical function in the transport and development of the oocyte and/or embryo. In most vertebrates, both sexes initially develop Müllerian ducts during embryogenesis, but they regress in males under the influence of testis-derived Anti-Müllerian Hormone (AMH). A number of regulatory factors have been shown to be essential for proper duct development, including Bmp and Wnt signaling molecules, together with homeodomain transcription factors such as PAX2 and LIM1...
January 19, 2018: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/29350491/reproductive-toxic-impact-of-subchronic-treatment-with-combined-butylparaben-and-triclosan-in-weanling-male-rats
#9
Madeha A Riad, Marwa M Abd-Rabo, Samy A Abd El Aziz, Adel M El Behairy, Mohamed M Badawy
The effect of treatment with combined butylparaben and triclosan on male gonadal toxicity in weanling rats was investigated. All treated groups experienced atrophy in the ventral prostate and seminal vesicle, likewise significant depletion in the number and motility of sperm. Given individually or combined butylparaben and triclosan, significantly decreased testosterone, luteinizing hormone, and follicle-stimulating hormone levels. Individual treatment with tested compounds caused significant elevation in the E2 level, whereas combined treatment did not alter the E2 level...
January 19, 2018: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/29350475/water-deficit-disrupts-male-gametophyte-development-in-quercus-ilex
#10
Olga Bykova, Jean-Marc Limousin, Jean-Marc Ourcival, Isabelle Chuine
Tree species distribution, and hence forest biodiversity, rely on the reproductive capacity of trees which is currently affected by climate change. Drought-induced pollen sterility could increase as a consequence of more intense and more frequent droughts projected for temperate and Mediterranean regions and threaten the sexual regeneration of trees in these regions. To evaluate this possibility, we examined the effect of long-term partial rainfall exclusion (-27% of precipitation) on male reproductive development in holm oak, Quercus ilex, one of the most important and widespread tree species of the Mediterranean region...
January 19, 2018: Plant Biology
https://www.readbyqxmd.com/read/29350436/age-difference-between-parents-influences-parity-and-number-of-sons
#11
Berenika Kuna, Andrzej Galbarczyk, Magdalena Klimek, Ilona Nenko, Grazyna Jasienska
OBJECTIVES: Among couples, women usually prefer slightly older men, and men tend to choose much younger partners. Age difference between partners has been shown to influence their parity; however, results of previous studies are inconsistent. This study analyzed relationships between husband and wife age difference and their total number of children, and number of daughters and sons in a contemporary, rural Polish population. METHODS: Demographic and reproductive data were collected from 384 postmenopausal women from rural Poland who were married only once...
January 19, 2018: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29348901/prevalence-and-risk-factors-of-lower-urinary-tract-symptoms-in-chinese-adult-men-a-multicentre-cross-sectional-study
#12
Meng Rao, Huangfang Shangguan, Zhengyan Zeng, Yi Zheng, Huiping Zhang, Honggang Li, Wei Xia, Changhong Zhu, Chengliang Xiong, Huangtao Guan
There has been no previous population-based study reporting the prevalence and risk factors of male lower urinary tract symptoms (LUTS) among men in mainland China. This cross-sectional study was conducted from 2013 to 2014 in three representative provinces of China: Guangdong, Hubei and Jiangsu. 3250 individuals participated in the interviews, which involved a questionnaire covering sociodemographic characteristics, lifestyle, dietary patterns and the International Prostate Symptom Score (IPSS). Blood was collected for lipids, glucose, insulin and reproductive hormone tests...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348515/genetic-evidence-for-panmixia-in-a-colony-breeding-crater-lake-cichlid-fish
#13
T K Lehtonen, K R Elmer, M Lappalainen, A Meyer
Fine-scaled genetic structuring, as seen for example in many lacustrine fish, typically relates to the patterns of migration, habitat use, mating system or other ecological factors. Because the same processes can also affect the propensity of population differentiation and divergence, assessments of species from rapidly speciating clades, or with particularly interesting ecological traits, can be especially insightful. For this study, we assessed the spatial genetic relationships, including the genetic evidence for sex-biased dispersal, in a colony-breeding cichlid fish, Amphilophus astorquii, endemic to Crater Lake Apoyo in Nicaragua, using 11 polymorphic microsatellite loci (n = 123 individuals from three colonies)...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348080/squid-ink-polysaccharide-prevents-chemotherapy-induced-injury-in-the-testes-of-reproducing-mice
#14
Ping Luo, Hua-Zhong Liu, Xiao-Yan Le, Hui Du, Xin-Huang Kang
The present study was conducted to investigate the preventive effects of squid ink polysaccharides (SIP) on the damage of sperm and reproduction induced by cyclophosphamide that is most commonly used for treating clinically cancers. Male Kunming mice exposed to cyclophosphamide were administered with SIP and were sacrificed to determine sperm parameters, testicular antioxidant ability and reproductive capacity. Data indicated that cyclophosphamide caused obvious changes in mice such as significant reduction (P<0...
January 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29347914/in-depth-proteomic-analysis-of-boar-spermatozoa-through-shotgun-and-gel-based-methods
#15
Jean M Feugang, Shengfa F Liao, Scott T Willard, Peter L Ryan
BACKGROUND: Mature spermatozoa contain numerous epididymal and seminal plasma proteins, which full identification through high-throughput technologies may allow for a better understanding of the sperm biology. Therefore, we conducted a global proteomic analysis of boar spermatozoa through shotgun and gel-based methodologies. RESULTS: The total proteins were extracted from mature spermatozoa and subjecsted to proteome analyses. Functional analyses of gene ontology representations and pathway enrichments were conducted on the shotgun dataset, followed by immunology and gene expression validations...
January 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29346618/evidence-of-adaptive-evolution-and-relaxed-constraints-in-sex-biased-genes-of-south-american-and-west-indies-fruit-flies-diptera-tephritidae
#16
Carlos Congrains, Emeline B Campanini, Felipe R Torres, Víctor B Rezende, Aline M Nakamura, Janaína L de Oliveira, André L A Lima, Samira Chahad-Ehlers, Iderval S Sobrinho, Reinaldo A de Brito
Several studies have demonstrated that genes differentially expressed between sexes (sex-biased genes) tend to evolve faster than unbiased genes, particularly in males. The reason for this accelerated evolution is not clear, but several explanations have involved adaptive and non-adaptive mechanisms. Furthermore, the differences of sex-biased expression patterns of closely related species are also little explored out of Drosophila. To address the evolutionary processes involved with sex-biased expression in species with incipient differentiation, we analyzed male and female transcriptomes of Anastrepha fraterculus and A...
January 15, 2018: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29346437/tissue-specific-transcriptome-analyses-provide-new-insights-into-gpcr-signalling-in-adult-schistosoma-mansoni
#17
REVIEW
Steffen Hahnel, Nic Wheeler, Zhigang Lu, Arporn Wangwiwatsin, Paul McVeigh, Aaron Maule, Matthew Berriman, Timothy Day, Paula Ribeiro, Christoph G Grevelding
Schistosomes are blood-dwelling trematodes with global impact on human and animal health. Because medical treatment is currently based on a single drug, praziquantel, there is urgent need for the development of alternative control strategies. The Schistosoma mansoni genome project provides a platform to study and connect the genetic repertoire of schistosomes to specific biological functions essential for successful parasitism. G protein-coupled receptors (GPCRs) form the largest superfamily of transmembrane receptors throughout the Eumetazoan phyla, including platyhelminths...
January 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29346340/disparities-in-preconception-health-indicators-%C3%A2-behavioral-risk-factor-surveillance-system-2013-2015-and-pregnancy-risk-assessment-monitoring-system-2013-2014
#18
Cheryl Robbins, Sheree L Boulet, Isabel Morgan, Denise V D'Angelo, Lauren B Zapata, Brian Morrow, Andrea Sharma, Charlan D Kroelinger
PROBLEM/CONDITION: Preconception health is a broad term that encompasses the overall health of nonpregnant women during their reproductive years (defined here as aged 18-44 years). Improvement of both birth outcomes and the woman's health occurs when preconception health is optimized. Improving preconception health before and between pregnancies is critical for reducing maternal and infant mortality and pregnancy-related complications. The National Preconception Health and Health Care Initiative's Surveillance and Research work group suggests ten prioritized indicators that states can use to monitor programs or activities for improving the preconception health status of women of reproductive age...
January 19, 2018: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/29345446/the-first-south-american-case-of-pre-implantation-genetic-diagnosis-to-select-compatible-embryo-for-cord-blood-transplantation-as-treatment-for-sickle-cell-anemia
#19
Ciro D Martinhago, Kalina Rn Endo, Mariana A Oliveira, Alex Mm Dias, Gislaine S Pereira, Augusto M Azzolini, Paula Rq Estrada, Caio G Bruzaca, Ana Carolina N Martinhago
Sickle cell anemia is an inherited systemic hemoglobinopathy that affects hemoglobin production in red blood cells, leading to early morbidity and mortality. It is caused by a homozygous nucleotide substitution (c.20A>T) in the β-globin gene (HBB) that changes a glutamic acid to a valine in the protein. We present a case report of a fertile couple, both carriers of the sickle cell anemia mutation, with one affected daughter. Six cycles of assisted reproductive techniques were performed, resulting in 53 embryos in cleavage stage...
January 18, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29343824/human-papillomavirus-prophylactic-vaccination-improves-reproductive-outcome-in-infertile-patients-with-hpv-semen-infection-a-retrospective-study
#20
Andrea Garolla, Luca De Toni, Alberto Bottacin, Umberto Valente, Maurizio De Rocco Ponce, Andrea Di Nisio, Carlo Foresta
In this study we aimed to evaluate the effect on reproductive outcome of HPV vaccination in male subjects of infertile couples with HPV semen infection. In this single-center study, we retrospectively enrolled 151 infertile couples with detection of HPV in semen, attending our Hospital Unit of Andrology between January 2013 and June 2015, counseled to receive adjuvant HPV vaccination. Seventy-nine accepted vaccination (vaccine group) whilst 72 did not (control group). Our protocol of follow-up, aimed to evaluate HPV viral clearance, consisted in semen analysis, INNO-LiPA and FISH for HPV in semen cells after 6 and 12 months from basal evaluation...
January 17, 2018: Scientific Reports
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