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https://www.readbyqxmd.com/read/29350886/the-cell-biology-and-molecular-genetics-of-m%C3%A3-llerian-duct-development
#1
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/29329550/systematic-quantitative-analysis-of-h2a-and-h2b-variants-by-targeted-proteomics
#2
Sara El Kennani, Annie Adrait, Olga Permiakova, Anne-Marie Hesse, Côme Ialy-Radio, Myriam Ferro, Virginie Brun, Julie Cocquet, Jérôme Govin, Delphine Pflieger
BACKGROUND: Histones organize DNA into chromatin through a variety of processes. Among them, a vast diversity of histone variants can be incorporated into chromatin and finely modulate its organization and functionality. Classically, the study of histone variants has largely relied on antibody-based assays. However, antibodies have a limited efficiency to discriminate between highly similar histone variants. RESULTS: In this study, we established a mass spectrometry-based analysis to address this challenge...
January 12, 2018: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/29324788/esrp1-is-a-marker-of-mouse-fetal-germ-cells-and-differentially-expressed-during-spermatogenesis
#3
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
#4
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/29298896/mechanistic-insights-into-acephalic-spermatozoa-syndrome-associated-mutations-in-the-human-sun5-gene
#5
Yongliang Shang, Jie Yan, Wenhao Tang, Chao Liu, Sai Xiao, Yueshuai Guo, Li Yuan, Liang Chen, Hui Jiang, Xuejiang Guo, Jie Qiao, Wei Li
Acephalic spermatozoa syndrome has been reported for many decades; it is characterized by very few intact spermatozoa and tailless sperm heads in the semen and causes severe male infertility. The only gene whose mutations have been found to be associated with this syndrome encodes Sad1 and UNC84 domain-containing 5 (SUN5), a testis-specific nuclear envelope protein. The functional role of SUN5 has been well studied in mouse models, but the molecular basis for the pathogenic effects of mutations in the human SUN5 gene remain elusive...
January 3, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29298885/recombinant-chimpanzee-adenovirus-vaccine-adc7-m-e-protects-against-zika-virus-infection-and-testis-damage
#6
Kun Xu, Yufeng Song, Lianpan Dai, Yongli Zhang, Xuancheng Lu, Yijia Xie, Hangjie Zhang, Tao Cheng, Qihui Wang, Qingrui Huang, Yuhai Bi, William J Liu, Wenjun Liu, Xiangdong Li, Chuan Qin, Yi Shi, Jinghua Yan, Dongming Zhou, George F Gao
The recent outbreak of Zika virus (ZIKV) has emerged as a global health concern. ZIKV can persist in human semen and be transmitted by sexual contact, as well as by mosquitos as seen for classical arboviruses. We and others have previously demonstrated that ZIKV infection leads to testis damage and infertility in mouse models. So far, no prophylactics or therapeutics are available, therefore, vaccine development is urgently demanded. Recombinant chimpanzee adenovirus has been explored as the preferred vaccine vector for many pathogens due to the low pre-existing immunity against the vector among the human population...
January 3, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29298512/protective-effect-of-safflower-seed-on-cisplatin-induced-renal-damage-in-mice-via-oxidative-stress-and-apoptosis-mediated-pathways
#7
Chan Hum Park, Ah Young Lee, Ji Hyun Kim, Su Hui Seong, Gwi Yeong Jang, Eun Ju Cho, Jae Sue Choi, Jungkee Kwon, Young Ock Kim, Sang Won Lee, Takako Yokozawa, Yu Su Shin
Cisplatin, a platinum chelate with potent antitumor activity against cancers of the testis, ovary, urinary bladder, prostate, and head and neck, has adverse effects on the kidney, bone marrow, and digestive organs, and its use is particularly limited by nephropathy as a side effect. In the present study, safflower seed extract was administered to a mouse model of cisplatin-induced acute renal failure to investigate its activity. Cisplatin (20[Formula: see text]mg/kg body weight) was administered by intraperitoneal injection to mice that had received oral safflower seed extract (100 or 200[Formula: see text]mg/kg body weight per day) for the preceding 2 days...
January 3, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29282838/the-inositol-pyrophosphate-pathway-in-health-and-diseases
#8
Anutosh Chakraborty
Inositol pyrophosphates (IPPs) are present in organisms ranging from plants, slime moulds and fungi to mammals. Distinct classes of kinases generate different forms of energetic diphosphate-containing IPPs from inositol phosphates (IPs). Conversely, polyphosphate phosphohydrolase enzymes dephosphorylate IPPs to regenerate the respective IPs. IPPs and/or their metabolizing enzymes regulate various cell biological processes by modulating many proteins via diverse mechanisms. In the last decade, extensive research has been conducted in mammalian systems, particularly in knockout mouse models of relevant enzymes...
December 27, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/29277915/diethylstilbestrol-regulates-mouse-gubernaculum-testis-cell-proliferation-via-plc-ca2-creb-pathway
#9
Xuan Zhang, Hong-Yan Ping, Jian-Hong Li, Shou-Xin Duan, Xue-Wu Jiang
Recent evidence suggested a positive correlation between environmental estrogens (EEs) and high incidence of abnormalities in male urogenital system, but the mechanism remains unclear. Diethylstilbestrol (DES) is a nonsteroidal synthetic estrogen that disrupts the morphology and proliferation of gubernaculum testis cells, but the underlying mechanism is unclear. In this study, mouse gubernaculum testis cells were pretreated with phospholipase C (PLC) inhibitor U-73122 and then treated with DES. The results demonstrated that U-73122 impaired DES-evoked intracellular Ca2+ mobilization in gubernaculum testis cells and inhibited DES-induced proliferation of gubernaculum testis cells...
December 26, 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29250763/transplantation-of-spermatogonial-stem-cells-suspension-into-rete-testis-of-azoospermia-mouse-model
#10
Arefeh Jafarian, Niknam Lakpour, Mohammad Reza Sadeghi, Sheida Salehkhou, Mohammad Mehdi Akhondi
PURPOSE: The loss of spermatogonia following chemo-or radiotherapy leading to temporary or permanent infertility of the patient is a well known and unwanted side effect of many oncological therapies. MATERIALS AND METHODS: In this study, germ cells were isolated from 4 days old mouse testis cells. Busulfan treatment was used to the eliminate proliferating cells in the testis of recipient mice. The donor cells suspended in DMEM, were introduced into the rete testis of recipient mice via microinjection method...
December 17, 2017: Urology Journal
https://www.readbyqxmd.com/read/29247744/disruption-of-ssp411-causes-impaired-sperm-head-formation-and-male-sterility-in-mice
#11
Miao Liu, Yanfei Ru, Yihua Gu, Jianan Tang, Tiancheng Zhang, Jun Wu, Fudong Yu, Yao Yuan, Chen Xu, Jian Wang, Huijuan Shi
BACKGROUND: We previously cloned the Ssp411 gene. We found that the Ssp411 protein is predominantly expressed in elongated spermatids in the rat testis in a stage-dependent manner. Although our findings strongly suggested that Ssp411 might play an important role in mammalian spermatogenesis, this hypothesis has not been studied. METHODS: We first used real-time PCR, Western blotting and immunohistochemistry to confirm that the expression pattern of Ssp411 in several murine tissues is similar to its expression pattern in corresponding rat tissues...
December 13, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29247571/testis-specific-lypd9-is-dispensable-for-spermatogenesis-in-mouse
#12
Junyan Feng, Puping Liang, Yuxi Chen, Xiya Zhang, Zhou Songyang, Haiyan Zheng, Shanbo Cao, Junjiu Huang
Lypd9 is a member of the Ly6/uPAR family. While Lypd9, display testis-specific gene expression in mouse, its function remains obscure. We proved that Lypd9 is a secreted protein specifically expressed in mouse testis. To investigate the function of Lypd9 in male mouse reproduction, we generated Lypd9 knockout mice using the CRISPR/Cas9 system. Body weight and testis development of Lypd9 null mice were comparable to wildtype mice. We found that disruption of Lypd9 did not affect the number of spermatogonial stem cells, meiosis progression or XY body formation, as was determined by immunofluorescence staining with PLZF, SCP3 and î3 H2AX...
December 16, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/29247201/sox30-is-required-for-male-fertility-in-mice
#13
Chun-Wei Allen Feng, Cassy Spiller, Donna J Merriner, Moira K O'Bryan, Josephine Bowles, Peter Koopman
Male infertility is a major and growing problem and, in most cases, the specific root cause is unknown. Here we show that the transcription factor SOX30 plays a critical role in mouse spermatogenesis. Sox30-null mice are healthy and females are fertile, but males are sterile. In the absence of Sox30 meiosis initiates normally in both sexes but, in males, germ cell development arrests during the post-meiotic round spermatid period. In the mutant testis, acrosome and axoneme development are aberrant, multinucleated germ cells (symplasts) form and round spermatids unable to process beyond step 3 of spermiogenesis...
December 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29246116/identification-of-sertoli-cell-specific-transcripts-in-the-mouse-testis-and-the-role-of-fsh-and-androgen-in-the-control-of-sertoli-cell-activity
#14
U Soffientini, D Rebourcet, M H Abel, S Lee, G Hamilton, P A Fowler, L B Smith, P J O'Shaughnessy
BACKGROUND: The Sertoli cells act to induce testis differentiation and subsequent development in fetal and post-natal life which makes them key to an understanding of testis biology. As a major step towards characterisation of factors involved in Sertoli cell function we have identified Sertoli cell-specific transcripts in the mouse testis and have used the data to identify Sertoli cell-specific transcripts altered in mice lacking follicle-stimulating hormone receptors (FSHRKO) and/or androgen receptors (AR) in the Sertoli cells (SCARKO)...
December 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29244804/conditional-knockout-mice-for-the-distal-appendage-protein-cep164-reveal-its-essential-roles-in-airway-multiciliated-cell-differentiation
#15
Saul S Siller, Himanshu Sharma, Shuai Li, June Yang, Yong Zhang, Michael J Holtzman, Wipawee Winuthayanon, Holly Colognato, Bernadette C Holdener, Feng-Qian Li, Ken-Ichi Takemaru
Multiciliated cells of the airways, brain ventricles, and female reproductive tract provide the motive force for mucociliary clearance, cerebrospinal fluid circulation, and ovum transport. Despite their clear importance to human biology and health, the molecular mechanisms underlying multiciliated cell differentiation are poorly understood. Prior studies implicate the distal appendage/transition fiber protein CEP164 as a central regulator of primary ciliogenesis; however, its role in multiciliogenesis remains unknown...
December 15, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29237021/human-specific-subcellular-compartmentalization-of-p-element-induced-wimpy-testis-like-piwil-granules-during-germ-cell-development-and-spermatogenesis
#16
Maria Gomes Fernandes, Nannan He, Fang Wang, Liesbeth Van Iperen, Cristina Eguizabal, Roberto Matorras, Bernard A J Roelen, Susana M Chuva De Sousa Lopes
STUDY QUESTION: What is the dynamics of expression of P-element induced wimpy testis-like (PIWIL) proteins in the germline during human fetal development and spermatogenesis? SUMMARY ANSWER: PIWIL1, PIWIL2, PIWIL3 and PIWIL4 were expressed in a sex-specific fashion in human germ cells (GC) during development and adulthood. PIWILs showed a mutually exclusive pattern of subcellular localization. PIWILs were present in the intermitochondrial cement and a single large granule in meiotic GC and their expression was different from that observed in mice, highlighting species-differences...
December 11, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29236364/intraflagellar-transporter-protein-140-ift140-a-component-of-ift-a-complex-is-essential-for-male-fertility-and-spermiogenesis-in-mice
#17
Yong Zhang, Hong Liu, Wei Li, Zhengang Zhang, Shiyang Zhang, Maria E Teves, Courtney Stevens, James A Foster, Gregory E Campbell, Jolene J Windle, Rex A Hess, Gregory J Pazour, Zhibing Zhang
Intraflagellar transport (IFT) is a conserved mechanism essential for the assembly and maintenance of most eukaryotic cilia and flagella. However, little is known about its role in sperm flagella formation and male fertility. IFT140 is a component of IFT-A complex. In mouse, it is highly expressed in the testis. Ift140 gene was inactivated specifically in mouse spermatocytes/spermatids. The mutant mice did not show any gross abnormalities, but all were infertile associated with significantly reduced sperm number and motility...
December 13, 2017: Cytoskeleton
https://www.readbyqxmd.com/read/29209210/critical-role-of-hepatic-cyp450s-in-the-testis-specific-toxicity-of-5r-5-hydroxytriptolide-in-c57bl-6-mice
#18
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/29206311/the-expanding-life-and-functions-of-osteogenic-cells-from-simple-bone-making-cells-to-multifunctional-cells-and-beyond
#19
REVIEW
Pierre J Marie, Martine Cohen-Solal
During the last three decades, important progresses in bone cell biology and in human and mouse genetics led to major advances in our understanding of the life and functions of cells of the osteoblast lineage. Previously unrecognized sources of osteogenic cells have been identified. Novel cellular and molecular mechanisms controlling osteoblast differentiation and senescence have been determined. New mechanisms of communications between osteogenic cells, osteocytes, osteoclasts and chondrocytes, as well as novel links between osteogenic cells and blood vessels have been identified...
December 5, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29196234/quantitative-proteomics-analysis-reveals-alterations-of-lysine-acetylation-in-mouse-testis-in-response-to-heat-shock-and-x-ray-exposure
#20
Chengmei Xie, Hongyan Shen, Hui Zhang, Jinting Yan, Yang Liu, Fuwen Yao, Xi Wang, Zhongyi Cheng, Tie-Shan Tang, Caixia Guo
Environmental stresses are important factors causing male infertility which attracts broad attention. Protein acetylation is a pivotal post-translational modification and modulates diverse physiological processes including spermatogenesis. In this study, we employed quantitative proteomic techniques and bioinformatics tools to analyze the alterations of acetylome profile of mouse testis after heat shock and X-irradiation. Overall, we identified 1139 lysine acetylation sites in 587 proteins in which 1020 lysine acetylation sites were quantified...
November 28, 2017: Biochimica et Biophysica Acta
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