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mouse testis RNA

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https://www.readbyqxmd.com/read/29749435/spag6-silencing-induces-apoptosis-in-the-myelodysplastic-syndrome-cell-line-skm%C3%A2-1-via-the-pten-pi3k-akt-signaling-pathway-in-vitro-and-in-vivo
#1
Jiaxiu Yin, Xinxin Li, Zaili Zhang, Xiaohua Luo, Li Wang, Lin Liu
Apoptosis is a multi-step mechanism of cell self‑destruction for maintaining cellular homeostatic balance. Accumulating evidence indicates that abnormal apoptosis promotes the evolution and progression of myelodysplastic syndromes (MDS). As a novel cancer-testis antigen, sperm‑associated antigen 6 (SPAG6) has been reported to regulate apoptosis through the tumor necrosis factor-related apoptosis-inducing ligand signaling pathway in the MDS cell line SKM‑1. However, the mechanism of the intrinsic cell death pathway for apoptosis induction by SPAG6 silencing is unclear...
May 2, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29743438/improved-boronate-affinity-electrophoresis-by-optimization-of-the-running-buffer-for-a-single-step-separation-of-pirna-from-mouse-testis-total-rna
#2
Yusuke Sato, Daijiro Iwasawa, Kuo Ping Hui, Rena Nakagomi, Seiichi Nishizawa
Here we examined optimization of the running buffer in boronate affinity electrophoresis for improved separation of PIWI-interacting RNA (piRNA) with 2'-O-methylated ribose in 3'-terminal nucleotide. The use of Good's buffer, such as HEPES, significantly increased the separation efficiency for piRNA over normal RNA with free 3'-terminal ribose, and retained an ability to resolve the difference by at least 4-nucleotide lengths in the target piRNAs. We also demonstrated a single-step separation of piRNA from mouse testis total RNA...
2018: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/29703750/identification-of-substrates-of-the-small-rna-methyltransferase-hen1-in-mouse-spermatogonial-stem-cells-and-analysis-of-its-methyl-transfer-domain
#3
Ling Peng, Fengjuan Zhang, Renfu Shang, Xueyan Wang, Jiayi Chen, James J Chou, Jinbiao Ma, Ligang Wu, Ying Huang
Small noncoding RNAs (sncRNAs) regulate many genes in eukaryotic cells. Hua enhancer 1 (Hen1) is a 2'-O-methyltransferase that adds a methyl group to the 2'-OH of 3'-terminal nucleotide of sncRNAs. The types and properties of sncRNAs may vary among different species, and the domain composition, structure, and function of Hen1 proteins differ accordingly. In mammals, Hen1 specifically methylates sncRNAs called p-element-induced wimpy testis (PIWI)-interacting RNAs (piRNAs). However, other types of sncRNAs that are methylated by Hen1 have not yet been reported, and the structures and the substrates of mammalian Hen1 remain unknown...
April 27, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29695820/characterization-of-germ-cell-differentiation-in-the-male-mouse-through-single-cell-rna-sequencing
#4
S Lukassen, E Bosch, A B Ekici, A Winterpacht
Spermatogenesis in the mouse has been extensively studied for decades. Previous methods, such as histological staining or bulk transcriptome analysis, either lacked resolution at the single-cell level or were focused on a very narrowly defined set of factors. Here, we present the first comprehensive, unbiased single-cell transcriptomic view of mouse spermatogenesis. Our single-cell RNA-seq (scRNA-seq) data on over 2,500 cells from the mouse testis improves upon stage marker detection and validation, capturing the continuity of differentiation rather than artificially chosen stages...
April 25, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29691636/genome-wide-association-for-testis-weight-in-the-diversity-outbred-mouse-population
#5
Joshua T Yuan, Daniel M Gatti, Vivek M Philip, Steven Kasparek, Andrew M Kreuzman, Benjamin Mansky, Kayvon Sharif, Dominik Taterra, Walter M Taylor, Mary Thomas, Jeremy O Ward, Andrew Holmes, Elissa J Chesler, Clarissa C Parker
Testis weight is a genetically mediated trait associated with reproductive efficiency across numerous species. We sought to evaluate the genetically diverse, highly recombinant Diversity Outbred (DO) mouse population as a tool to identify and map quantitative trait loci (QTLs) associated with testis weight. Testis weights were recorded for 502 male DO mice and the mice were genotyped on the GIGAMuga array at ~ 143,000 SNPs. We performed a genome-wide association analysis and identified one significant and two suggestive QTLs associated with testis weight...
April 24, 2018: Mammalian Genome: Official Journal of the International Mammalian Genome Society
https://www.readbyqxmd.com/read/29683462/polysome-profiling-in-leishmania-human-cells-and-mouse-testis
#6
Zemfira N Karamysheva, Elena B Tikhonova, Petar N Grozdanov, James C Huffman, Kristen R Baca, Alexander Karamyshev, R Brian Denison, Clinton C MacDonald, Kai Zhang, Andrey L Karamyshev
Proper protein expression at the right time and in the right amounts is the basis of normal cell function and survival in a fast-changing environment. For a long time, the gene expression studies were dominated by research on the transcriptional level. However, the steady-state levels of mRNAs do not correlate well with protein production, and the translatability of mRNAs varies greatly depending on the conditions. In some organisms, like the parasite Leishmania, the protein expression is regulated mostly at the translational level...
April 8, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29659998/the-arginine-methyltransferase-carm1-represses-p300%C3%A2-act%C3%A2-crem%C3%AF-activity-and-is-required-for-spermiogenesis
#7
Jianqiang Bao, Sophie Rousseaux, Jianjun Shen, Kevin Lin, Yue Lu, Mark T Bedford
CARM1 is a protein arginine methyltransferase (PRMT) that has been firmly implicated in transcriptional regulation. However, the molecular mechanisms by which CARM1 orchestrates transcriptional regulation are not fully understood, especially in a tissue-specific context. We found that Carm1 is highly expressed in the mouse testis and localizes to the nucleus in spermatids, suggesting an important role for Carm1 in spermiogenesis. Using a germline-specific conditional Carm1 knockout mouse model, we found that it is essential for the late stages of haploid germ cell development...
April 5, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29526718/testis-transcriptome-alterations-in-zebrafish-danio-rerio-with-reduced-fertility-due-to-developmental-exposure-to-17%C3%AE-ethinyl-estradiol
#8
T Porseryd, N Reyhanian Caspillo, K Volkova, L Elabbas, T Källman, P Dinnétz, P-E Olsson, I Porsch-Hällström
17α-Ethinylestradiol (EE2 ) is a ubiquitous aquatic contaminant shown to decrease fish fertility at low concentrations, especially in fish exposed during development. The mechanisms of the decreased fertility are not fully understood. In this study, we perform transcriptome analysis by RNA sequencing of testes from zebrafish with previously reported lowered fertility due to exposure to low concentrations of EE2 during development. Fish were exposed to 1.2 and 1.6 ng/L (measured concentration; nominal concentrations 3 and 10 ng/L) of EE2 from fertilization to 80 days of age, followed by 82 days of remediation in clean water...
June 1, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29518209/a-germline-specific-role-for-the-mtorc2-component-rictor-in-maintaining-spermatogonial-differentiation-and-intercellular-adhesion-in-mouse-testis
#9
Shun Bai, Le Cheng, Yingwen Zhang, Chunsen Zhu, Zhiping Zhu, Ruping Zhu, C Yan Cheng, Lan Ye, Ke Zheng
STUDY QUESTION: What is the physiological role of Rictor in spermatogenic cells? SUMMARY ANSWER: Germline expression of Rictor regulates spermatogonial differentiation and has an essential role in coordinating germ cells and Sertoli cells in maintaining intact cell-cell adhesion dynamics and cytoskeleton-based architecture in the seminiferous epithelium. WHAT IS KNOWN ALREADY: The mechanistic target of rapamycin (mTOR) resides in its functions as the catalytic subunits of the structurally and functionally distinct mTORC1 and mTORC2 complexes...
February 6, 2018: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29441715/transcriptome-analysis-reveals-tmprss6-isoforms-with-distinct-functionalities
#10
Sébastien P Dion, François Béliveau, Antoine Désilets, Mariana Gabriela Ghinet, Richard Leduc
TMPRSS6 (matriptase-2) is a type II transmembrane serine protease involved in iron homoeostasis. At the cell surface of hepatocytes, TMPRSS6 cleaves haemojuvelin (HJV) and regulates the BMP/SMAD signalling pathway leading to production of hepcidin, a key regulator of iron absorption. Although four TMPRSS6 human isoforms and three mice Tmprss6 isoforms are annotated in databases (Ensembl and RefSeq), their relative expression or activity has not been studied. Analyses of RNA-seq data and RT-PCR from human tissues reveal that TMPRSS6 isoform 1 (TMPRSS6-1) and 3 are mostly expressed in human testis while TMPRSS6-2 and TMPRSS6-4 are the main transcripts expressed in human liver, testis and pituitary...
April 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29411102/1700108j01rik-and-1700101o22rik-are-mouse-testis-specific-long-non-coding-rnas
#11
Xiaohui Song, Chaw Kyi-Tha-Thu, Takami Takizawa, Banyar Than Naing, Toshihiro Takizawa
Long non-coding RNAs (lncRNAs; > 200 nucleotides in length) have attracted attention as fine-tuners of gene expression. However, little is known about the cell- and stage-specific expression pattern and function of lncRNAs in spermatogenesis. The purpose of this study was to identify mouse testis-associated lncRNAs using a combination of computational and experimental approaches. We first used the FANTOM5 database to survey lncRNA expression in the mouse testis and performed reverse transcription quantitative polymerase chain reaction (real-time PCR) and in situ hybridization (ISH) analyses...
February 6, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29362488/transcriptional-regulation-of-p63-on-the-apoptosis-of-male-germ-cells-and-three-stages-of-spermatogenesis-in-mice
#12
Hong Wang, Qingqing Yuan, Minghui Niu, Wenhui Zhang, Liping Wen, Hongyong Fu, Fan Zhou, Zuping He
Infertility affects 10-15% of couples worldwide, and male factors account for 50%. Spermatogenesis is precisely regulated by genetic factors, and the mutations of genes result in abnormal spermatogenesis and eventual male infertility. The aim of this study was to explore the role and transcriptional regulation of P63 in the apoptosis and mouse spermatogenesis. P63 protein was decreased in male germ cells of P63(+/-) mice compared with wild-type mice. There was no obvious difference in testis weight, sperm motility, and fecundity between P63(+/-) and wild-type mice...
January 23, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29324788/esrp1-is-a-marker-of-mouse-fetal-germ-cells-and-differentially-expressed-during-spermatogenesis
#13
Shaghayegh Saeidi, Farnaz Shapouri, Robb U de Iongh, Franca Casagranda, Jessie M Sutherland, Patrick S Western, Eileen A McLaughlin, Mary Familari, Gary R Hime
ESRP1 regulates alternative splicing, producing multiple transcripts from its target genes in epithelial tissues. It is upregulated during mesenchymal to epithelial transition associated with reprogramming of fibroblasts to iPS cells and has been linked to pluripotency. Mouse fetal germ cells are the founders of the adult gonadal lineages and we found that Esrp1 mRNA was expressed in both male and female germ cells but not in gonadal somatic cells at various stages of gonadal development (E12.5-E15.5). In the postnatal testis, Esrp1 mRNA was highly expressed in isolated cell preparations enriched for spermatogonia but expressed at lower levels in those enriched for pachytene spermatocytes and round spermatids...
2018: PloS One
https://www.readbyqxmd.com/read/29324782/mafb-is-dispensable-for-the-fetal-testis-morphogenesis-and-the-maintenance-of-spermatogenesis-in-adult-mice
#14
Hossam H Shawki, Hisashi Oishi, Toshiaki Usui, Yu Kitadate, Walaa A Basha, Ahmed M Abdellatif, Kazunori Hasegawa, Risa Okada, Keiji Mochida, Hany A El-Shemy, Masafumi Muratani, Atsuo Ogura, Shosei Yoshida, Satoru Takahashi
The transcription factor MAFB is an important regulator of the development and differentiation of various organs and tissues. Previous studies have shown that MAFB is expressed in embryonic and adult mouse testes and is expected to act as the downstream target of retinoic acid (RA) to initiate spermatogenesis. However, its exact localization and function remain unclear. Here, we localized MAFB expression in embryonic and adult testes and analyzed its gene function using Mafb-deficient mice. We found that MAFB and c-MAF are the only large MAF transcription factors expressed in testes, while MAFA and NRL are not...
2018: PloS One
https://www.readbyqxmd.com/read/29209210/critical-role-of-hepatic-cyp450s-in-the-testis-specific-toxicity-of-5r-5-hydroxytriptolide-in-c57bl-6-mice
#15
Cunzhi Yu, Yu Li, Mingxia Liu, Man Gao, Chenggang Li, Hong Yan, Chunzhu Li, Lihan Sun, Liying Mo, Chunyong Wu, Xinming Qi, Jin Ren
Low solubility, tissue accumulation, and toxicity are chief obstacles to developing triptolide derivatives, so a better understanding of the pharmacokinetics and toxicity of triptolide derivatives will help with these limitations. To address this, we studied pharmacokinetics and toxicity of (5R)-5-hydroxytriptolide (LLDT-8), a novel triptolide derivative immunosuppressant in a conditional knockout (KO) mouse model with liver-specific deletion of CYP450 reductase. Compared to wild type (WT) mice, after LLDT-8 treatment, KO mice suffered severe testicular toxicity (decreased testicular weight, spermatocytes apoptosis) unlike WT mice...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29163367/a-testis-specific-long-non-coding-rna-lncrna-tcam1-regulates-immune-related-genes-in-mouse-male-germ-cells
#16
Misuzu Kurihara, Kai Otsuka, Shin Matsubara, Akira Shiraishi, Honoo Satake, Atsushi P Kimura
Spermatogenesis is precisely controlled by hormones from the hypothalamus-pituitary-gonadal axis and testis-specific genes, but the regulatory mechanism is not fully understood. Recently, a large number of long non-coding RNAs (lncRNAs) are found to be transcribed at each stage of meiosis of male germ cells, and their functions in spermatogenesis have yet to be fully investigated. lncRNA-testicular cell adhesion molecule 1 ( lncRNA-Tcam1 ) is a nuclear lncRNA which is specifically expressed in mouse male germ cells and presumed to play a role in gene regulation during meiosis...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29126923/clock-interacts-with-ranbp9-and-is-involved-in-alternative-splicing-in-spermatogenesis
#17
Junbao Yang, Zhiwei Zhang, Yingying Zhang, Xulei Zheng, Yilu Lu, Dachang Tao, Yunqiang Liu, Yongxin Ma
The core circadian gene CLOCK plays an important role in regulating male reproduction. However, the underlying mechanism still remains unclear. In the present study, we executed yeast two-hybrid screening using cDNA fragment of CLOCK PAS A domain as bait, and identified RANBP9 as a novel protein interacting with CLOCK. The interaction between CLOCK and RANBP9 was further validated by in vivo and in vitro assays. Previous studies have confirmed that SF3B3 was a RANBP9 interacting protein. Subsequently, our study also found that CLOCK and SF3B3 can interact with each other by co-immunoprecipitation in mouse testis...
February 5, 2018: Gene
https://www.readbyqxmd.com/read/29082235/tissue-and-cell-type-specific-expression-of-the-long-noncoding-rna-klhl14-as-in-mouse
#18
Sara Carmela Credendino, Nicole Lewin, Miriane de Oliveira, Swaraj Basu, Barbara D'Andrea, Elena Amendola, Luigi Di Guida, Antonio Nardone, Remo Sanges, Mario De Felice, Gabriella De Vita
lncRNAs are acquiring increasing relevance as regulators in a wide spectrum of biological processes. The extreme heterogeneity in the mechanisms of action of these molecules, however, makes them very difficult to study, especially regarding their molecular function. A novel lncRNA has been recently identified as the most enriched transcript in mouse developing thyroid. Due to its genomic localization antisense to the protein-encoding Klhl14 gene, we named it Klhl14-AS. In this paper, we highlight that mouse Klhl14-AS produces at least five splicing variants, some of which have not been previously described...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/29079676/sex-biased-microrna-expression-in-mammals-and-birds-reveals-underlying-regulatory-mechanisms-and-a-role-in-dosage-compensation
#19
Maria Warnefors, Katharina Mössinger, Jean Halbert, Tania Studer, John L VandeBerg, Isa Lindgren, Amir Fallahshahroudi, Per Jensen, Henrik Kaessmann
Sexual dimorphism depends on sex-biased gene expression, but the contributions of microRNAs (miRNAs) have not been globally assessed. We therefore produced an extensive small RNA sequencing data set to analyze male and female miRNA expression profiles in mouse, opossum, and chicken. Our analyses uncovered numerous cases of somatic sex-biased miRNA expression, with the largest proportion found in the mouse heart and liver. Sex-biased expression is explained by miRNA-specific regulation, including sex-biased chromatin accessibility at promoters, rather than piggybacking of intronic miRNAs on sex-biased protein-coding genes...
December 2017: Genome Research
https://www.readbyqxmd.com/read/29044429/dynamic-expression-of-long-noncoding-rnas-reveals-their-potential-roles-in-spermatogenesis-and-fertility
#20
Lauren Wichman, Saigopal Somasundaram, Christine Breindel, Dana M Valerio, John R McCarrey, Craig A Hodges, Ahmad M Khalil
Mammalian reproduction requires that males and females produce functional haploid germ cells through complex cellular differentiation processes known as spermatogenesis and oogenesis, respectively. While numerous studies have functionally characterized protein-coding genes and small noncoding RNAs (microRNAs and piRNAs) that are essential for gametogenesis, the roles of regulatory long noncoding RNAs (lncRNAs) are yet to be fully characterized. Previously, we and others have demonstrated that intergenic regions of the mammalian genome encode thousands of long noncoding RNAs, and many studies have now demonstrated their critical roles in key biological processes...
August 1, 2017: Biology of Reproduction
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