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https://www.readbyqxmd.com/read/28550682/long-noncoding-rna-anril-promotes-cervical-cancer-development-by-acting-as-a-sponge-of-mir-186
#1
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/28548300/first-night-effect-on-cardiac-autonomic-function-in-different-female-reproductive-states
#2
Irina Virtanen, Nea Kalleinen, Anna S Urrila, Päivi Polo-Kantola
Decreases in heart rate variability, a marker of autonomic nervous system function, are associated with increased cardiovascular mortality. Heart rate variability increases in non-rapid eye movement sleep, peaking in slow-wave sleep. Therefore, decreasing the amount of deep sleep, for example, by introducing patients to a sleep laboratory environment, could decrease heart rate variability, increasing cardiovascular risk. We studied four groups of women with no previous sleep laboratory experience: young [n = 11, 23...
May 26, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28545201/treatment-experiences-of-women-with-reproductive-cancers-in-odisha-india-a-qualitative-exploration-of-enablers-and-barriers
#3
Sanghamitra Pati, Abhimanyu Singh Chauhan, Sandeep Mahapatra, Sabita Nayak, Sukdev Nayak, David Weller
Introduction: Cancer continues to be a major menace to our Indian society notwithstanding significant progress in diagnosis and treatment. In India cancer mortality rates in women are high compared to other countries, despite efforts to improve survival through the development of effective detection techniques and increased numbers of viable treatment options. Indian women’s advanced stage of disease at diagnosis is largely attributable to delay in seeking treatment. The present qualitative inquiry was conducted with the aim of capturing the treatment experiences of patients with gynecology cancer at a tertiary care hospital and understanding the barriers, enablers, stress and apprehension they experience during the treatment phases...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28544399/molecular-species-of-prostaglandins-involved-in-modulating-luteinizing-hormone-pulses-of-female-rats-under-infectious-stress-conditions
#4
Takashi Matsuwaki, Mugiko Komatsuda, Ayano Fujisawa, Mio Doke, Keitaro Yamanouchi, Masugi Nishihara
Mammalian reproductive function is controlled by the hypothalamus-pituitary-gonadal (HPG) axis, which is suppressed under infectious stress conditions. We have previously demonstrated, by analyzing the pulsatility of luteinizing hormone (LH), that prostaglandins (PGs) in the central nervous system (CNS) mediate infectious stress to suppress the activity of the HPG axis. The aim of the present study is to characterize the types of PGs responsible for suppression of the HPG axis. We focused on 3 major types of PGs, i...
May 19, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28540896/postrenal-transplant-malignancy-incidence-risk-factors-and-prognosis
#5
Nabil Abdelfadil Elserwy, Esam Elden Lotfy, Mohamad Ashraf Fouda, Medhat Ibrahim Mahmoud, Ahmed Farouk Donia, Mohamed Elsayed Mashaly, Mohamed Hamed Abbas, Mohamed Megahed Abuelmagd, Rasha Kamal Abouelenein, Mabrouk Ibrahim Ismail, Mohamed Adel Bakr
The newer and potent immunosuppressive agents have successfully reduced the risk of rejection after kidney transplantation, but the development of cardiovascular diseases, infections, and malignancy is major factors limiting their success. Posttransplantation malignancy is the second most common cause of death in renal transplant recipients after cardiovascular disease; it is expected that mortality due to malignancy may become the most common cause of death within the next two decades. This study is designed to evaluate the incidence, risk factors, and types of malignancies occurring after renal transplantation and their impact on patient and graft survival...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28538378/effects-of-intensive-training-on-menstrual-function-and-certain-serum-hormones-and-peptides-related-to-the-female-reproductive-system
#6
Geum Joon Cho, Sung Won Han, Jung-Ho Shin, Tak Kim
The aim of this study was to assess the effects of intensive training on menstrual function and related serum hormones and peptides.Forty female participants who attended a training course for an officer at the Korea Third Military Academy, and had regular menstrual periods were enrolled. Menstrual questionnaires and fasting blood samples were collected before entry and at 4-week intervals for 8 weeks. The levels of corticotropin-releasing hormone (CRH), cortisol, prolactin, endorphin-β, neuropeptide Y (NPY), leptin, orexin-A, ghrelin, follicle-stimulating hormone (FSH), luteinizing hormone (LH), estradiol (E2), thyrotropin (TSH), and thyroxine (T4) were determined...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28533904/-this-is-where-it-all-started-the-pivotal-role-of-plc%C3%AE-within-the-sophisticated-process-of-mammalian-reproduction-a-systemic-review
#7
Itai Gat, Raoul Orvieto
Mammalian reproduction is one of the most complex and fascinating biological phenomenon, which aims to transfer maternal and paternal genetic material to the next generation. At the end of oogenesis and spermatogenesis, both haploid gametes contain a single set of chromosomes ready to form the zygote, the first cell of the newly developing individual. The mature oocyte and spermatozoa remain in a quiescent state, during which the oocyte is characterized by nuclear and cytoplasmic arrest, while the spermatozoa necessitates further maturation within the epididymis and female reproductive track prior to egg fertilization...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28532843/expression-and-regulation-of-interleukin-6-and-its-receptor-at-the-maternal-conceptus-interface-during-pregnancy-in-pigs
#8
Inkyu Yoo, Jisoo Han, Minjeong Kim, Hwanhee Jang, Soojin Sa, Sun-Ho Choi, Hakhyun Ka
It has been well established that interleukin 6 (IL6), a pleiotropic cytokine with multiple functional roles, is widely expressed in the female reproductive tract and mediates blastocyst implantation and placental development in many species. Uterine expression of IL6 during early pregnancy has been studied in pigs, but expression and function of IL6 at the maternal-placental interface throughout pregnancy have not been determined. Thus, we examined expression of IL6 and its receptors, IL6 receptor (IL6R) and GP130, in the uterine endometrium on Days 12 and 15 of the estrous cycle, and Days 12, 15, 30, 60, 90, and 114 of pregnancy, conceptus on Days 12 and 15, and chorioallantoic tissues on Days 30, 60, 90, and 114 of pregnancy in pigs...
July 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28531319/improved-sperm-kinematics-in-semen-samples-collected-after-2-h-versus-4-7-days-of-ejaculation-abstinence
#9
H Alipour, G Van Der Horst, O B Christiansen, F Dardmeh, N Jørgensen, H I Nielsen, C Hnida
STUDY QUESTION: Does a short abstinence period of only 2 h yield spermatozoa with better motility characteristics than samples collected after 4-7 days? SUMMARY ANSWER: Despite lower semen volume, sperm concentration, total sperm counts and total motile counts, higher percentages of motile spermatozoa with higher velocity and progressiveness were detected in samples obtained after 2 h. WHAT IS KNOWN ALREADY: Most studies that have assessed the effect of abstinence periods on sperm motility parameters in men with a sperm concentration below 15 million/ml have detected a higher percentage of motile spermatozoa in samples obtained after short abstinence periods...
May 22, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28529156/transgenerational-effects-of-maternal-and-grandmaternal-age-on-offspring-viability-and-performance-in-drosophila-melanogaster
#10
Margaret C Bloch Qazi, Paige B Miller, Penny M Poeschel, Mai H Phan, Joseph L Thayer, Christian L Medrano
In non-social insects, fitness is determined by relative lifetime fertility. Fertility generally declines with age as a part of senescence. For females, senescence has profound effects on fitness by decreasing viability and fertility as well as those of her offspring. However, important aspects of these maternal effects, including the cause(s) of reduced offspring performance and carry-over effects of maternal age, are poorly understood. Drosophila melanogaster is a useful system for examining potential transgenerational effects of increasing maternal age, because of their use as a model system for studying the physiology and genetic architecture of both reproduction and senescence...
May 18, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28528905/a-pheromone-antagonist-regulates-optimal-mating-time-in-the-moth-helicoverpa-armigera
#11
Hetan Chang, Yang Liu, Dong Ai, Xingchuan Jiang, Shuanglin Dong, Guirong Wang
Many insect species use multi-component sex pheromones to discriminate among potential mating partners [1-5]. In moths, pheromone blends tend to be dominated by one or two major components, but behavioral responses are frequently optimized by the inclusion of less abundant minor components [6]. An increasing number of studies have shown that female insects use these chemicals to convey their mating availability to males, who can assess the maturity of females and thus decide when to mate [7, 8]. However, little is known about the biological mechanisms that enable males to assess female reproductive status...
May 17, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28528483/fossil-record-of-ephedra-in-the-lower-cretaceous-aptian-argentina
#12
Gabriela G Puebla, Ari Iglesias, María A Gómez, Mercedes B Prámparo
Fossil plants from the Lower Cretaceous (upper Aptian) of the La Cantera Formation, Argentina, are described. The fossils studied represent a leafy shooting system with several orders of articulated and striated axes and attached leaves with unequivocal ephedroid affinity. We also found associated remains of ovulate cones with four whorls of sterile bracts, which contain two female reproductive units (FRU). Ovulate cone characters fit well within the genus Ephedra. Special characters in the ovulate cones including an outer seed envelope with two types of trichomes, allowed us to consider our remains as a new Ephedra species...
May 20, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28527569/estrogen-hormone-biology
#13
Katherine J Hamilton, Sylvia C Hewitt, Yukitomo Arao, Kenneth S Korach
The hormone estrogen is involved in both female and male reproduction, as well as numerous other biological systems including the neuroendocrine, vascular, skeletal, and immune systems. Therefore, it is also implicated in many different diseases and conditions such as infertility, obesity, osteoporosis, endometriosis, and a variety of cancers. Estrogen works through its two distinct nuclear receptors, estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ). Various transcriptional regulation mechanisms have been identified as the mode of action for estrogen, mainly the classical mechanism with direct DNA binding but also a nongenomic mode of action and one using tethered or indirect binding...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28526997/nafld-as-a-sexual-dimorphic-disease-role-of-gender-and-reproductive-status-in-the-development-and-progression-of-nonalcoholic-fatty-liver-disease-and-inherent-cardiovascular-risk
#14
REVIEW
Stefano Ballestri, Fabio Nascimbeni, Enrica Baldelli, Alessandra Marrazzo, Dante Romagnoli, Amedeo Lonardo
Nonalcoholic fatty liver disease (NAFLD) spans steatosis through nonalcoholic steatohepatis, cirrhosis, and hepatocellular carcinoma (HCC) associated with striking systemic features and excess cardiovascular and liver-related mortality. The pathogenesis of NAFLD is complex and multifactorial. Endocrine derangements are closely linked with dysmetabolic traits. For example, in animal and human studies, female sex is protected from dysmetabolism thanks to young individuals' ability to partition fatty acids towards ketone body production rather than very low density lipoprotein (VLDL)-triacylglycerol, and to sex-specific browning of white adipose tissue...
May 19, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28525982/blood-meal-induced-regulation-of-the-chemosensory-gene-repertoire-in-the-southern-house-mosquito
#15
Tanvi Taparia, Rickard Ignell, Sharon Rose Hill
BACKGROUND: The southern house mosquito, Culex quinquefasciatus, is one of the most prevalent vectors of lymphatic filariasis and flavivirus-induced encephalitis. Its vectorial capacity is directly affected by its reproductive feeding behaviors, such as host seeking, blood feeding, resting, and egg laying. In mosquitoes, these gonotrophic behaviors are odor-mediated and regulated following blood feeding. Immediately after a blood meal, female mosquitoes show reduced olfactory responsiveness and flight activity, as they enter a resting state...
May 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28523198/uterine-fibroid-torsion-during-pregnancy-a-case-of-laparotomic-myomectomy-at-18-weeks-gestation-with-systematic-review-of-the-literature
#16
Annachiara Basso, Mariana Rita Catalano, Giuseppe Loverro, Serena Nocera, Edoardo Di Naro, Matteo Loverro, Mariateresa Natrella, Salvatore Andrea Mastrolia
Uterine myomas are the most common benign growths affecting female reproductive system, occurring in 20-40% of women, whereas the incidence rate in pregnancy is estimated from 0.1 to 3.9%. The lower incidence in pregnancy is due to the association with infertility and low pregnancy rates and implantation rates after in vitro fertilization treatment. Uterine myomas, usually, are asymptomatic during pregnancy. However, occasionally, pedunculated fibroids torsion or other superimposed complications may cause acute abdominal pain...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28522409/neonatal-exposure-to-17%C3%AE-ethynyl-estradiol-ee-disrupts-follicle-development-and-reproductive-hormone-profiles-in-female-rats
#17
Haolin Zhang, Kazuyoshi Taya, Kentaro Nagaoka, Midori Yoshida, Gen Watanabe
Toxic effects induced by exposure to endocrine-disrupting chemicals during fetal and neonatal periods can be irreversible and exert effects throughout an animal's entire life. Our previous study showed that neonatal exposure to 17α-ethynyl estradiol (EE) induced irregular estrous cycle in adults. To uncover the reason for the delayed effect after neonatal exposure to EE, reproductive parameters including ovarian weight, ovarian steroidogenesis, and hormonal profiles were investigated in developing female rats...
May 15, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28515890/sex-dependent-infection-causes-nonadditive-effects-on-kissing-bug-fecundity
#18
Carezza Botto-Mahan, Verónica Campos, Rodrigo Medel
The influence of parasites on host reproduction has been widely studied in natural and experimental conditions. Most studies, however, have evaluated the parasite impact on female hosts only, neglecting the contribution of males for host reproduction. This omission is unfortunate as sex-dependent infection may have important implications for host-parasite associations. Here, we evaluate for the first time the independent and nonindependent effects of gender infection on host reproductive success using the kissing bug Mepraia spinolai and the protozoan Trypanosoma cruzi as model system...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28512374/description-of-enchodorus-yeatsi-n-sp-dorylaimida-nordiidae-from-southern-iran-and-its-molecular-phylogenetic-study
#19
Majid Pedram
Enchodorus yeatsi n. sp., a new species of the rare genus Enchodorus is described and illustrated based on its morphological and molecular characters. It was recovered from southern Iran. Females of the new species are characterized by having 1,511.3- to 1,792.5-µm long slender body, angular lip region having prominent papillae, 12- to 13-µm long odontostyle, double guiding ring, simple rod-like odontophore, didelphic-amphidelphic reproductive system, and 102- to 160-µm long elongate-conoid tail with rounded tip...
March 2017: Journal of Nematology
https://www.readbyqxmd.com/read/28506269/the-emerging-roles-and-therapeutic-potential-of-exosomes-in-epithelial-ovarian-cancer
#20
REVIEW
Xiaoduan Li, Xipeng Wang
Ovarian cancer (OC) is one of the three types of malignant tumors in the female reproductive system, and epithelial ovarian cancer (EOC) is its most typical form. Due to the asymptomatic nature of the early stages and resistance to chemotherapy, EOC has both a poor prognosis and a high fatality rate. Current treatments for OC are very limited, and the 5-years survival rate is approximately 30%. Exosomes, which are microvesicles ranging from approximately 30-100 nm in size that are secreted by living cells, can be produced from different cell types and detected in various body fluids...
May 15, 2017: Molecular Cancer
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