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Systems Biology in Reproductive Medicine

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https://read.qxmd.com/read/30773941/monosodium-glutamate-daily-oral-supplementation-study-of-its-effects-on-male-reproductive-system-on-rat-model
#1
Fatin Farhana Jubaidi, Ramya Dewi Mathialagan, Mahanem Mat Noor, Izatus Shima Taib, Siti Balkis Budin
Monosodium glutamate (MSG) is widely used in food preparation industry and has been consumed regularly. Previous studies had reported on effects of MSG when given at extremely high dosages, the results are not applicable to human equivalent intake. Therefore, the present study aimed to evaluate the effect of MSG on sperm quality and changes in reproductive organs of adult male rats when taken at average human daily intake (ADI). Twenty-four adult male rats were randomly assigned into three groups; NC (Normal control), MSG60 and MSG120 where MSG was given orally at 60 mg/kg and 120 mg/kg to each respective group...
February 17, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30741013/the-impact-of-endometriosis-on-early-embryo-morphokinetics-a-case-control-study
#2
Fazilet Kubra Boynukalin, Munevver Serdarogullari, Meral Gultomruk, Onder Coban, Necati Findikli, Mustafa Bahceci
The aim of this study was to evaluate the possible effects of endometriosis on early embryo development, by comparing the morphokinetic development of embryos obtained from women with clinically confirmed endometriosis with the ones obtained from tubal factor infertility cases. A total of 82 cycles/patients including 53 cycles with endometriosis and 29 cycles with tubal factor infertility were evaluated. A total of 439 embryos were scored for embryo morphokinetics. Age, body mass index, fertilization rates were similar within the groups...
February 11, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30689429/prenatal-stress-decreases-sperm-quality-mature-follicles-and-fertility-in-rats
#3
Diana García-Vargas, Lizbeth Juárez-Rojas, Susana Rojas Maya, Socorro Retana-Márquez
Prenatal stress disrupts reproductive function in females and males. These alterations have primarily been related to maternal corticosteroid fetal programming due to the stress response, affecting the fetus and causing long-lasting effects. The aim of this study was to investigate the influence of prenatal stress on male and female fertility. Dams were exposed to stress by immersion in cold water twice a day for the last week of gestation (days 15-21). In the adulthood, sperm quality, mature follicles, sexual hormones and fertility were assessed in female and male progeny...
January 28, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30682894/improvement-of-sperm-motility-of-oncorhynchus-mykiss-and-salvelinus-fontinalis-by-l-tryptophan
#4
Mehmet Kocabaş, Filiz Kutluyer, Özlem Ertekin, Önder Aksu, Nadir Başçınar
Experiments were designed to test the influence of L-tryptophan supplementation of the extender on the sperm motility parameters and bacterial flora of brook trout (Salvelinus fontinalis) and rainbow trout (Oncorhynchus mykiss). The extender containing 0.3 M glucose in 10% Dimethyl sulfoxide (DMSO) was supplemented with 0, 0.5, 1, 2, and 4 mM L-tryptophan. Sperm samples stored for up to 12 days at 4°C for brook trout were motile while motility was not observed after six days of storage for rainbow trout. Diluted sperm samples were spread-plated onto Plate Count Agar (PCA) (Total Bacteria Count), Rose Bengal Agar (RBC) (Yeast-Mold Count), Violet Red Bile Dextrose (VRBD) (Enterobacteriaceae count) and Mannitol Salt Agar (MSA) (Micrococcus/Staphylococcus count) and counts were performed in duplicate and sampling occurred on day 0, 2, 4, 6, and 12 of cold storage...
January 25, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30676783/predicting-the-functional-and-structural-consequences-of-nssnps-in-human-methionine-synthase-gene-using-computational-tools
#5
Mansi Desai, Jenabhai B Chauhan
Methionine synthase encoded by the MTR gene is one of the key enzymes involved in the SAM (S- Adenosyl Methionine) cycle catalyzing the conversion of homocysteine to methionine. Methionine plays an important role in the DNA, RNA, protein, phospholipids, and neurotransmitters methylation. It also maintains serum homocysteine level and indirectly regulates de novo nucleotide synthesis and repair. The current study predicted the functional consequences of nsSNPs in human MTR gene using SIFT, PolyPhen2, PROVEAN, SNAP2, PMut, nsSNPAnalyzer, PhD-SNP, SNPs&GO, I-Mutant, MuPro, and iPTREE-STAB...
January 24, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30649983/preliminary-functional-inquiry-of-lncrna-enst00000433673-in-embryo-implantation-using-bioinformatics-analysis
#6
Dong Li, Weihua Jiang, Yiqun Jiang, Shanshan Wang, Junshun Fang, Lihua Zhu, Yinchun Zhu, Guijun Yan, Haixiang Sun, Linjun Chen, Ningyuan Zhang
Long non-coding RNAs (lncRNAs), a class of non-coding RNA, have been shown to be essential in many diseases, such as infertility. Here, we found three candidate lncRNAs, ENST00000414116, ENST00000433673, and ENST00000448179, that are highly expressed in the uterus endometrial tissues of normal patients compared to the tissues of patients with adenomyosis, endometriosis, and recurrent implantation failure. lncRNAs ENST00000414116 and ENST00000433673 showed high expression in endometrial stromal cells (ESCs) and endometrial epithelial cells (EECs), respectively, and lncRNA ENST00000448179 was specifically expressed in ESCs...
January 16, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30608887/linc01541-overexpression-attenuates-the-17%C3%AE-estradiol-induced-migration-and-invasion-capabilities-of-endometrial-stromal-cells
#7
Hong Mai, Yeping Wei, Yan Yin, Shijin Huang, Huisi Lin, Yan Liao, Xupeng Liu, Xianfeng Chen, Haijuan Shi, Chuanzhong Liu, Hong Xu
Endometriosis affects 6-10% of healthy women of reproductive age. Therefore, it is important to study the molecular mechanism by which endometriosis develops. This study examined whether aberrant expression of LINC01541 contributes to the pathogenesis of endometriosis. Human endometrial stromal cells (ESCs) were stimulated with 10 nmol/L of 17β-Estradiol (17β-E2) to simulate ectopic cells found in endometriosis. Next, the levels of proteins related to the epithelial-mesenchymal transition (EMT), cell invasion, and metastasis were investigated...
January 4, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30601031/the-relationship-among-sperm-global-dna-methylation-telomere-length-and-dna-fragmentation-in-varicocele-a-cross-sectional-study-of-20-cases
#8
Viviane Paiva Santana, Cristiana Libardi Miranda-Furtado, Daiana Cristina Chielli Pedroso, Matheus Credendio Eiras, Maria Aparecida Carneiro Vasconcelos, Ester Silveira Ramos, Rodrigo Tocantins Calado, Rui Alberto Ferriani, Sandro Cassiano Esteves, Rosana Maria Dos Reis
Varicocele pathophysiology is related to increased oxidative stress, which might result in loss sperm DNA integrity as well as in genomic instability. Sperm telomere shortening and loss of global DNA methylation are the main features of genomic instability, leading to cell senescence and death, whereas sperm DNA fragmentation (SDF) characterizes the loss of chromatin integrity. We hypothesize that sperm genomic stability and DNA integrity is reduced in infertile men with moderate and large-sized varicoceles, thus being candidate markers of sperm quality in varicocele-related infertility...
January 2, 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30571152/effect-of-single-dose-ibuprofen-on-follicular-fluid-levels-of-interleukins-in-poor-responders-undergoing-in-vitro-fertilization
#9
Laurice Bou Nemer, Haolin Shi, Bruce Richard Carr, Ruth Ann Word, Orhan Bukulmez
Premature follicular rupture during in vitro fertilization (IVF) is a well-known culprit for cycle cancellation. We sought to evaluate whether a single oral dose of ibuprofen will have an effect on the follicular fluid (FF) levels of inflammatory markers involved in ovulation. This is a prospective within-subjects study following nine patients undergoing IVF. Every patient underwent a first cycle of minimal stimulation IVF followed by a second cycle using the same stimulation protocol, except one oral dose of ibuprofen 800 mg was administered 15-18 h post-trigger injection...
December 20, 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30550360/molecular-diagnostics-of-disorders-of-sexual-development-an-indian-survey-and-systems-biology-perspective
#10
M R Nagaraja, Satya Prakash Gubbala, C R Wilma Delphine Silvia, Ramars Amanchy
We aimed to survey the monogenic causes of disorders of sex development (DSD) and thereby its prevalence in India. This study revealed mutations resulting in androgen insensitivity syndrome, 5α-reductase type 2 deficiency, and gonadal dysgenesis were commonly reported. Intriguingly, AR deficits were the most prevalent (32 mutations) and of 11/26 missense mutations were in exons 4-8 (encoding ligand binding domain). The unique features of SRD5A2 defects were p.R246Q (most prevalent) and p.G196S could be mutational hotspots, dual gene defects (p...
December 14, 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30526119/comparative-study-on-risk-for-birth-defects-among-infants-after-in-vitro-fertilization-and-intracytoplasmic-sperm-injection
#11
Jing Zhu, Qianqian Zhu, Yun Wang, Bian Wang, Qifeng Lyu, Yanping Kuang
This large retrospective study was conducted to compare the risk for birth defects among infants conceived by in vitro fertilization (IVF) with that among infants conceived by intracytoplasmic sperm injection (ICSI) and to explore the effect of frozen embryo transfer (FET) on the risk for birth defects among infants born by IVF and ICSI. All patients who received assisted reproductive technology (ART) treatment and who underwent childbirth during the period January 2005-August 2017 were included in this study...
December 10, 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30507263/resveratrol-improves-sperm-parameter-and-testicular-apoptosis-in-cisplatin-treated-rats-effects-on-erk1-2-jnk-and-akt-pathways
#12
Ali A Shati
This study aimed to investigate the protective role of resveratrol (RES) against cisplatin (Cis)-induced testicular damage and reproductive dysfunction in rats and to examine the underlying mechanisms of protection including its effect on endoplasmic reticulum (ER) stress, P53, extracellular signal-regulated kinase (ERK)-1/2, stress-activated protein kinase/c-Jun N-terminal kinase (SAPK/JNK), and Protein kinase B (Akt) signaling. Eight-week-old Rats were divided into four groups (n = 12 each) of 1) control group: received normal saline (i...
December 3, 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30499741/associations-between-biochemical-components-of-human-semen-with-seminal-conditions
#13
Giulia Collodel, Fabiola Nerucci, Cinzia Signorini, Francesca Iacoponi, Elena Moretti
The aim of the study was to assess whether abnormal levels of seminal biochemical components could be associated with semen alterations and infertility. In this study, 92 human ejaculates from selected men were analyzed. Albumin, estradiol, ferritin, total proteins (TP), folic acid (FA), vitamin B12, alkaline phosphatase (ALP), creatine kinase (CK), gamma-glutamyl transpeptidase (GGT), lactate dehydrogenase were evaluated. Semen parameters and biochemical components of the 92 samples were correlated bySpearman's rho coefficient...
November 30, 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30696309/systems-biology-in-reproductive-medicine-2019
#14
Stephen A Krawetz
No abstract text is available yet for this article.
February 2019: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30444444/special-issue-in-honor-of-gordon-h-dixon
#15
Rod Balhorn, Peter L Davies, Kenneth Cole Kleene, Stephen A Krawetz, Jovita Mezquita-Pla, Rafael Oliva, J Christopher States, Helen G Tempest
No abstract text is available yet for this article.
December 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/29873257/impact-of-prenatal-arsenic-exposure-on-chronic-adult-diseases
#16
Jamie L Young, Lu Cai, J Christopher States
Exposure to environmental stressors during susceptible windows of development can result in negative health outcomes later in life, a concept known as the Developmental Origins of Health and Disease (DOHaD). There is a growing body of evidence that exposures to metals early in life (in utero and postnatal) increase the risk of developing adult diseases such as cancer, cardiovascular disease, non-alcoholic fatty liver disease, and diabetes. Of particular concern is exposure to the metalloid arsenic, a drinking water contaminant and worldwide health concern...
December 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30452285/teratozoospermia-with-amorphous-sperm-head-associate-with-abnormal-chromatin-condensation-in-a-chinese-family
#17
Ying Ma, Ning Xie, Yi Li, Baoping Zhang, Dingxiong Xie, Wei Zhang, Qiuguang Li, Hongmiao Yu, Qianjing Zhang, Yali Ni, Xiaodong Xie
Male infertility affects approximately 7% of the male population. In about 40% of affected patients, the etiology remains unknown. Here, we report the cases of two infertile brothers who have a uniquely prevalent sperm phenotype with completely amorphous sperm heads. To investigate the mechanisms of familial teratozoospermia with amorphous sperm heads, chromatin condensation was assessed by aniline blue staining, western blot, sperm chromatin structure assay and atomic force microscopy in both the two brothers and 40 control fertile donors...
November 19, 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30428262/serum-anti-m%C3%A3-llerian-hormone-amh-in-mothers-with-polycystic-ovary-syndrome-pcos-and-their-term-fetuses
#18
Laura Detti, Mary E Christiansen, Ludwig Francillon, Gini Ikuwezunma, Michael P Diamond, Giancarlo Mari, Ana M Tobiasz
We sought to determine serum AMH levels in the maternal circulation, and the umbilical artery and vein, in normal women and women with PCOS, and their neonates at time of delivery. This represents a cross-sectional study of 57 pregnant patients who presented to the labor and delivery suite and subsequently delivered. We obtained maternal, as well as fetal blood from both, umbilical artery and vein. We measured serum concentrations of estradiol, AMH, testosterone and FSH. A total of 30 patients delivered a female and 27 a male neonate...
November 14, 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30136857/antisense-techniques-provide-robust-decrease-in-gnrh-receptor-expression-with-minimal-cytotoxicity-in-gt1-7-cells
#19
Maurice Andre Recanati, Hongling Du, Katherine J Kramer, Maik Hüttemann, Robert A Welch
The episodic pattern of gonadotropin-releasing hormone (GnRH) secretion from the hypothalamus is driven by an integrated network of cells termed the GnRH pulse generator. Cultured and immortalized GnRH neurons also produce a pulsatile pattern of GnRH secretions when grown in the absence of other cell types, suggesting the presence of an intrinsic oscillator mediating GnRH secretion. The mechanisms underlying such pulsatility comprise one of the most tantalizing problems in contemporary neuroendocrinology. In order to study the mechanism by which GnRH is produced in a pulsatile fashion, the autocrine effect of GnRH on GnRH-producing neurons must be eliminated...
October 2018: Systems Biology in Reproductive Medicine
https://read.qxmd.com/read/30088950/making-ivf-more-effective-through-the-evolution-of-prediction-models-is-prognosis-the-missing-piece-of-the-puzzle
#20
REVIEW
Mara Simopoulou, Konstantinos Sfakianoudis, Nikolaos Antoniou, Evangelos Maziotis, Anna Rapani, Panagiotis Bakas, George Anifandis, Theodoros Kalampokas, Stamatis Bolaris, Agni Pantou, Konstantinos Pantos, Michael Koutsilieris
Assisted reproductive technology has evolved tremendously since the emergence of in vitro fertilization (IVF). In the course of the recent decade, there have been significant efforts in order to minimize multiple gestations, while improving percentages of singleton pregnancies and offering individualized services in IVF, in line with the trend of personalized medicine. Patients as well as clinicians and the entire IVF team benefit majorly from 'knowing what to expect' from an IVF cycle. Hereby, the question that has emerged is to what extent prognosis could facilitate toward the achievement of the above goal...
October 2018: Systems Biology in Reproductive Medicine
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