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https://www.readbyqxmd.com/read/29778921/goat-boule-isoforms-identification-mrna-expression-in-testis-and-functional-study-and-promoter-methylation-profiles
#1
Xiaoyan Zhang, Shuai Yu, Qing Yang, Ke Wang, Sihuan Zhang, Chuanying Pan, Hailong Yan, Ruihua Dang, Chuzhao Lei, Hong Chen, Xianyong Lan
A conserved gene in meiosis, the Boule gene is involved in meiosis and spermatogenesis. The deletion of this gene in males blocks meiosis and results in infertility. Alternative splicing variants of the Boule gene have been identified in humans, bovines, and bats, but in dairy goats remains unknown. This study was therefore to detect splicing variants of the goat Boule gene and explore their potential roles in meiosis. Three isoforms, denoted as Boule-a, Boule-b, and Boule-c, were identified in the testes of goats using real-time PCR (RT-PCR) and cloning sequencing...
May 12, 2018: Theriogenology
https://www.readbyqxmd.com/read/29777910/differentially-expressed-novel-alternatively-spliced-transcript-variant-of-tumor-suppressor-stk11-gene-in-mouse
#2
Hassan Mubarak Ishqi, Tarique Sarwar, Mohammed Amir Husain, Sayeed Ur Rehman, Mohammad Tabish
Serine/threonine kinase 11 (STK11) is a protein kinase that is encoded by Stk11 gene located on chromosome 19 and 10 in humans and mouse respectively. It acts as a master kinase of adenine monophosphate-activated protein kinase (AMPK) pathway that coordinates the regulation of cellular energy metabolism and cell division. STK11 exerts effect by activating more than 14 kinases including AMPK and AMPK-related kinases. It is also known to regulate cell polarity and acts as tumor suppressor. Alternative splicing of pre-mRNA is a mechanism which results in multiple transcript variants of a single gene...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777790/effect-of-intratesticular-hematoma-on-testis-microstructure-spermatogenesis-and-testosterone-production-defining-a-cut-off-point-for-significant-intratesticular-hematoma
#3
Alireza Aminsharifi, Alireza Monsef, Ali Noorafshan, Saied Karbalay-Doust, Zahra Jafarinezhad, Omid Koohi, Afshin Molaei
OBJECTIVES: To evaluate the effect of different degrees of intratesticular hematoma (ITH), a major consequence of blunt testis trauma, on testis microstructure and function. We determined a cut-off point for significant vs. nonsignificant ITH. METHODS: Seventy male rats were divided into 7 equal groups. The control group (G) remained intact. Sham groups consisted of rats given an intratesticular injection of normal saline in both testicles with volumes equivalent to 40% of testis volume (G-II), 30% (G-III) and 10% (G-IV)...
May 16, 2018: Urology
https://www.readbyqxmd.com/read/29777416/identification-of-genes-involved-in-gonadal-sex-differentiation-and-the-dimorphic-expression-pattern-in-takifugu-rubripes-gonad-at-the-early-stage-of-sex-differentiation
#4
Hongwei Yan, Xufang Shen, Xin Cui, Yumeng Wu, Lianshun Wang, Lei Zhang, Qi Liu, Yusheng Jiang
Quantifying the expression of mRNAs in the gonads at the critical stage of molecular sex differentiation stage might help to clarify the regulatory network during early sex differentiation and provide new information on the role of sex-related genes in gonadal function. In this study, transcriptomic analysis of sex-related genes expression profiles in fugu gonads at 60 and 90 days after hatching (dah) was conducted firstly, and a total of 112,504,991 clean reads, encompassing 28.35 Gb of sequences were retrieved...
May 18, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29776850/what-is-the-best-protocol-to-cryopreserve-immature-mouse-testicular-cell-suspensions
#5
Jaime Onofre, Katrien Faes, Prashant Kadam, Elena Vicini, Ans M M van Pelt, Ellen Goossens
RESEARCH QUESTION: From a clinical perspective, which parameters grant optimal cryopreservation of mouse testicular cell suspensions? DESIGN: We studied the effect of different cryopreservation rates, the addition of sugars, different vessels and the addition of an apoptotic inhibitor on the efficiency of testicular cell suspension cryopreservation. After thawing and warming, testicular cell suspensions were transplanted to recipient mice for further functional assay...
April 27, 2018: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29775751/expression-pattern-and-functional-analysis-of-the-two-ring-box-protein-rbx-in-spermatogenesis-of-chinese-mitten-crab-eriocheir-sinensis
#6
Jia-Shun Zhang, Xue-Jie Li, Lei Yang, Wei-Wei Li, Qun Wang
Studies in E. sinensis have shown that ubiquitination mediated by Cullin-RING E3 ligases (CRLs) plays important roles in spermatogenesis. In other species, CRLs are also essential in cell cycle progression, DNA replication, signal transduction, gene transcription, and development. The catalytic RING component, the RING box protein, is an important part of CRLs. However, there have been few studies on CRLs in crustaceans. In this study, we cloned two RING box protein genes from the Chinese mitten crab, Eriocheir sinensis, termed Es-RBX1 and Es-RBX2 The full length Es-RBX1 cDNA comprises 741 nucleotides, and encodes a protein of 124 amino acid residues, whereas the Es-RBX2 cDNA comprises 1325 nucleotides, and encodes a protein of 110 amino acid residues...
May 15, 2018: Gene
https://www.readbyqxmd.com/read/29774101/qilin-pills-alleviate-oligoasthenospermia-by-inhibiting-bax-caspase-9-apoptosis-pathway-in-the-testes-of-model-rats
#7
Kaishu Zhang, Zhengyan Ge, Longlong Fu, Qi An, Fang Zhou, Ying Guo, Xiaowei Wang, Wenhong Lu, Xiaowei Liang, Shusong Wang, Xuejun Shang, Yiqun Gu
At present, the treatment of oligoasthenospermia with western medicine is ineffective. Qilin pill (QLP) is a Chinese traditional medicine for treating male infertility. Recent multicenter clinical studies in China reported that QLPs markedly improved sperm quality. However, the mechanism of action of QLPs on oligoasthenospermia remains unknown. In this study, we investigated the mechanistic basis for improvement of semen parameters and reversal of testis damage by QLPs in a rat model of oligoasthenospermia induced by treatment with tripterygium glycosides (TGs) (40 mg/kg) once daily for 4 weeks...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773184/oral-administration-of-cadmium-depletes-intratesticular-and-epididymal-iron-levels-and-inhibits-lipid-peroxidation-in-the-testis-and-epididymis-of-adult-rats
#8
Sunny O Abarikwu, Sarah Oruitemeka, Ifeyinwa A Uwadileke, Stephen I Omeodu, Ngozi F Okoye, Chidimma J Mgbudom-Okah, Robinson Ohanador
Cadmium (Cd)-induced tissue injury depends on the accumulated Cd which differentially affects endogenous iron (Fe). To investigate this, adult rats were treated by oral gavage with Cd (50 mg/kg body wt.) once a week for 15, 30 and 60 days and sacrificed a day after last administration. After the 15th and 30th day of treatment, Cd had no effect on thiobarbituric acid reactive substances (TBARS) and endogenous Fe levels but exhibited anti-androgenic effects (p < 0.05) and caused histological damages...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29773080/adjuvant-ny-eso-1-vaccine-immunotherapy-in-high-risk-resected-melanoma-a-retrospective-cohort-analysis
#9
Michael Lattanzi, Joseph Han, Una Moran, Kierstin Utter, Jeremy Tchack, Rachel Lubong Sabado, Russell Berman, Richard Shapiro, Hsin-Hui Huang, Iman Osman, Nina Bhardwaj, Anna C Pavlick
BACKGROUND: Cancer-testis antigen NY-ESO-1 is a highly immunogenic melanoma antigen which has been incorporated into adjuvant vaccine clinical trials. Three such early-phase trials were conducted at our center among patients with high-risk resected melanoma. We herein report on the pooled long-term survival outcomes of these patients in comparison to historical controls. METHODS: All melanoma patients treated at NYU Langone Health under any of three prospective adjuvant NY-ESO-1 vaccine trials were retrospectively pooled into a single cohort...
May 18, 2018: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29772511/estrogenic-potency-of-mc-lr-is-induced-via-stimulating-steroidogenesis-in-vitro-and-in-vivo-evidence
#10
Jie Hou, Yujing Su, Wang Lin, Honghui Guo, Li Li, Donald M Anderson, Dapeng Li, Rong Tang, Wei Chi, Xi Zhang
Waterborne microcystin-LR (MC-LR) has been reported to disrupt sex hormones, while its estrogenic potency remains controversial. We hypothesized that MC-LR could induce estrogenic effects via disrupting sex hormone synthesis, and verified this hypothesis by in vitro and in vivo assays. Effects of MC-LR (1, 10, 100, 500, 1000 and 5000 μg/L) on steroidogenesis were assessed in the H295R cells after 48 h. The contents of 17β-estradiol (E2) and testosterone (T) increased in a non-dose-dependent manner, which showed positive correlations with the expression of steroidogenic genes...
May 14, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29772210/in-silico-analysis-seasonal-variation-and-gonadotropic-regulation-of-jag1-and-its-receptor-notch1-in-testis-of-spotted-snakehead-channa-punctatus
#11
Alivia Roy, Reetuparna Basak, Umesh Rai
The present study in seasonally breeding spotted snakehead Channa punctatus, for the first time in nonmammalian vertebrates, demonstrated correlation between reproductive phase-dependent testicular expression of ligand Jag1/receptor Notch1 and spermatogenic events. Testicular transcriptome sequencing data from our earlier study in C. punctatus was used in the present study to select the best transcript for jag1 (cpjag1) and notch1 (cpnotch1). The transcripts cpjag1 and cpnotch1 encoded full-length putative proteins of 1215 (cpJag1) and 2475 (cpNotch1) amino acids, respectively...
May 14, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29772069/nature-of-tumor-rejection-antigens-in-ovarian-cancer
#12
REVIEW
Muzamil Y Want, Amit A Lugade, Sebastiano Battaglia, Kunle Odunsi
Major progress in the analysis of human immune responses to cancer has been made through the molecular characterization of human tumor antigens. The development of therapeutic strategies for eliciting immune-mediated rejection of tumors has accelerated due to the elucidation of the molecular basis for tumor cell recognition and destruction by immune cells. Of the various human tumor antigens defined to date in ovarian cancer, the cancer-testis (CT) family of antigens have studied extensively pre-clinically and clinically due their testis-restricted expression in normal tissues and ability to elicit robust immune responses...
May 17, 2018: Immunology
https://www.readbyqxmd.com/read/29771299/at-the-crossroads-of-fate-somatic-cell-lineage-specification-in-the-fetal-gonad
#13
Emmi Rotgers, Anne Jørgensen, Humphrey Hung-Chang Yao
The reproductive endocrine systems are vastly different between male and female. This sexual dimorphism of endocrine milieu originates from sex-specific differentiation of the somatic cells in the gonads during fetal life. The majority of gonadal somatic cells arise from the adrenogonadal primordium. After separation of the adrenal and gonadal primordia, the gonadal somatic cells initiate sex-specific differentiation during gonadal sex determination with the specification of the supporting cell lineages: Sertoli cells in the testis vs...
May 15, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29770471/protective-effects-of-the-hydroalcoholic-extract-of-fumaria-parviflora-on-testicular-injury-induced-by-torsion-detorsion-in-adult-rats
#14
M Shokoohi, H Shoorei, M Soltani, S-H Abtahi-Eivari, R Salimnejad, M Moghimian
This study was designed to determine the effects of daily oral administration (250 mg/kg) of the hydroalcoholic extract of Fumaria parviflora (FP) for 14 days on the sperm parameters, oxidative stress parameters, serum testosterone levels, expression of Bax and Bcl-2 genes, and apoptosis index of germ cells after testicular torsion-detorsion (ischaemia-reperfusion, IR) injury model in rats. Twenty-eight adult male Wistar rats were divided randomly into four groups of seven each: sham operation, torsion-detorsion (TD), TD plus the hydroalcoholic extract FP (TDFP) and only FP without TD application (FP)...
May 16, 2018: Andrologia
https://www.readbyqxmd.com/read/29770138/ny-eso-1-based-immunotherapy-of-cancer-current-perspectives
#15
REVIEW
Remy Thomas, Ghaneya Al-Khadairi, Jessica Roelands, Wouter Hendrickx, Said Dermime, Davide Bedognetti, Julie Decock
NY-ESO-1 or New York esophageal squamous cell carcinoma 1 is a well-known cancer-testis antigen (CTAs) with re-expression in numerous cancer types. Its ability to elicit spontaneous humoral and cellular immune responses, together with its restricted expression pattern, have rendered it a good candidate target for cancer immunotherapy. In this review, we provide background information on NY-ESO-1 expression and function in normal and cancerous tissues. Furthermore, NY-ESO-1-specific immune responses have been observed in various cancer types; however, their utility as biomarkers are not well determined...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29769589/conserved-and-non-conserved-characteristics-of-porcine-glial-cell-line-derived-neurotrophic-factor-expressed-in-the-testis
#16
Kazue Kakiuchi, Kazumi Taniguchi, Hiroshi Kubota
Glial cell line-derived neurotrophic factor (GDNF) is essential for the self-renewal and proliferation of spermatogonial stem cells (SSCs) in mice, rats, and rabbits. Although the key extrinsic factors essential for spermatogonial proliferation in other mammals have not been determined, GDNF is one of the potential candidates. In this study, we isolated porcine GDNF (pGDNF) cDNAs from neonatal testis and generated recombinant pGDNF to investigate its biological activity on gonocytes/undifferentiated spermatogonia, including SSCs...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769570/in-utero-and-postnatal-exposure-to-high-fat-high-sucrose-diet-suppressed-testis-apoptosis-and-reduced-sperm-count
#17
Jiude Mao, Kathleen A Pennington, Omonseigho O Talton, Laura C Schulz, Miriam Sutovsky, Yan Lin, Peter Sutovsky
Obesity affects male fertility and maternal diabetes affects the offspring sperm epigenome. However, the effects of in utero exposure to maternal glucose intolerance in combination with postnatal high fat, high sucrose (HFHS) diet consumption on offspring spermatogenesis is not clear. The present study was designed to test these effects. One week before and during pregnancy, dams were fed either control or HFHS diet to induce gestational glucose intolerance, and returned to standard diet during lactation. Male offspring from each maternal group were split into control and HFHS-fed groups for eight weeks prior to sacrifice at 11, 19 or 31 weeks of age, and reproductive tissues were harvested for analysis of testicular germ cell apoptosis and sperm output...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769427/supplementation-with-camelina-oil-prevents-negative-changes-in-the-artery-in-orchidectomized-rats
#18
M Pawlowska-Olszewska, I Puzio, A P Harrison, L Borkowski, G Tymicki, D Grabos
The aim of the research was to examine the influence of orchidectomy on the elasticity and wall structure of the abdominal aorta in male rats and to check whether camelina oil treatment has an effect on aorta wall characteristics in orchidectomized rats. Forty 2-month-old male Wistar rats were used in the experiment: 10 animals underwent a sham testis repositioning operation (SHO) and 30 rats were orchidectomized (ORX). After the convalescence period, the SHO and ORX1 rats were given physiological saline intragastrically for 8 weeks; simultaneously, the other rats received camelina oil at the dose of 5 g/kg/b...
February 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29769412/imsnc761-and-ddx6-synergistically-suppress-cell-proliferation-and-promote-apoptosis-via-p53-in-testicular-embryonal-carcinoma-cells
#19
Zhengzheng Duan, Ping Ping, Guishuan Wang, Xiansheng Zhang, Fei Sun
Intermediate-size noncoding RNAs (imsncRNAs) have been shown to play important regulatory roles in the development of several eukaryotic organisms. In this research, we selected imsnc761 as a research target. Expression analyses in a previous study showed that imsnc761 was downregulated in maturation-arrested testis tissue compared with the level in normal controls. In this study, we found that imsnc761 could interact with DEAD-box helicase 6 (DDX6) to induce NT2 cell apoptosis and proliferation inhibition via the p53 pathway...
May 16, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29769284/dynamic-copy-number-evolution-of-x-and-y-linked-ampliconic-genes-in-human-populations
#20
Elise A Lucotte, Laurits Skov, Jacob Malte Jensen, Moisès Coll Macià, Kasper Munch, Mikkel H Schierup
Ampliconic genes are multicopy, in majority found on sex-chromosomes and enriched for testis-expressed genes. While ampliconic genes have been associated with the emergence of hybrid incompatibilities, we know little about their copy number distribution and their turnover in human populations. Here we explore the evolution of human X- and Y-linked ampliconic genes by investigating copy number variation (CNV) and coding variation between populations using the Simons Genome Diversity Project. We develop a method to assess CNVs using the read-depth on modified X and Y chromosome targets containing only one repetition of each ampliconic gene...
May 16, 2018: Genetics
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