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https://www.readbyqxmd.com/read/28324629/electrospun-nerve-guide-scaffold-of-poly-%C3%AE%C2%B5-caprolactone-collagen-nano-bioglass-an-in-vitro-study-in-peripheral-nerve-tissue-engineering
#1
Forouzan Mohamadi, Somayeh Ebrahimi-Barough, Mohammad Reza Nourani, Mohammad Ali Derakhshan, Vahabodin Goodarzi, Mohammad Sadegh Nazockdast, Mehdi Farokhi, Roksana Tajerian, Reza Faridi Majidi, Jafar Ai
In among of various methods, nerve tissue engineering (NTE) is one of the applicable methods to reconstruct damaged nerve tissues. Electrospinning technique and biomaterials are often considered to fabricate fibrous tissue engineered conduits which have great similarity to the extracellular matrix on fiber structure. Polymer blending is one of the most effective methods for production of new materials with outstanding features. In this research, conduit structures as main part of the peripheral nerve regeneration based on polymer blend nanocomposites PCL/Collagen/NBG (poly (ε-caprolactone)/Collagen/nano bioglass) were manufactured by electrospinning technique...
March 21, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28298639/benzyl-butyl-phthalate-decreases-myogenic-differentiation-of-endometrial-mesenchymal-stem-stromal-cells-through-mir-137-mediated-regulation-of-pitx2
#2
Hung-Sheng Chen, Chia-Yi Hsu, Yu-Chia Chang, Hui-Yu Chuang, Cheng-Yu Long, Tsung-Hua Hsieh, Eing-Mei Tsai
Phthalate, an environmental toxin, has been considered as an endocrine-disrupting chemical. Growing evidence has demonstrated links between endocrine-disrupting chemicals, tissue development, and reproductive physiology, but the mechanisms of gene expression regulation by environmental factors that affect cell differentiation are unclear. Herein, we investigated the effects of butyl benzyl phthalate (BBP) on human endometrial mesenchymal stem/stromal cell (EN-MSC) differentiation and identified a novel signaling pathway...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28297571/prolongation-of-cardiac-allograft-survival-by-endometrial-regenerative-cells-focusing-on-b-cell-responses
#3
Xiaoxi Xu, Xiaochun Li, Xiangying Gu, Bai Zhang, Weijun Tian, Hongqiu Han, Peng Sun, Caigan Du, Hao Wang
Endometrial regenerative cells (ERCs) have been recently evaluated as an attractive candidate source for emerging stem cell therapies in immunosuppression, but their role in immunoregulation is not fully understood. The present study was designed to investigate their effects, especially on B-cell responses in heart transplantation. In this study, ERCs were noninvasively obtained from menstrual blood. Heart transplantation was performed between C57BL/6 (H-2(b) ) donor mice and BALB/c (H-2(d) ) recipients. B-cell activation and antibody levels were determined using fluorescence-activated cell sorting, enzyme-linked immunosorbent assay and ELISpot...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28285950/human-amniotic-mesenchymal-stromal-cell-transplantation-improves-endometrial-regeneration-in-rodent-models-of-intrauterine-adhesions
#4
Lu Gan, Hua Duan, Qian Xu, Yi-Qun Tang, Jin-Jiao Li, Fu-Qing Sun, Sha Wang
BACKGROUND AIMS: Intrauterine adhesion (IUA) is a common uterine cavity disease characterized by the unsatisfactory regeneration of damaged endometria. Recently, stem cell transplantation has been proposed to promote the recovery process. Here we investigated whether human amniotic mesenchymal stromal cells (hAMSCs), a valuable resource for transplantation therapy, could improve endometrial regeneration in rodent IUA models. METHODS: Forty female Sprague-Dawley rats were randomly assigned to five groups: normal, sham-operated, mechanical injury, hAMSC transplantation, and negative control group...
March 9, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28272224/high-expression-of-sall4-and-fascin-and-loss-of-e-cadherin-expression-in-undifferentiated-dedifferentiated-carcinomas-of-the-endometrium-an-immunohistochemical-and-clinicopathologic-study
#5
Semen Onder, Orhun Cig Taskin, Fatma Sen, Samet Topuz, Seden Kucucuk, Hamdullah Sozen, Ridvan Ilhan, Sitki Tuzlali, Ekrem Yavuz
Undifferentiated/dedifferentiated endometrial carcinomas (UCE/DCEs) of the endometrium are rare tumors with poor prognosis. There are few clinicopathologic studies with detailed immunohistochemical analysis regarding UCE/DCEs.We evaluated the diagnostic value of a selected tumor stem-cell marker and epithelial-mesenchymal transition (EMT) markers, in addition to previously studied markers in identifying UCE/DCEs from other types of high-grade endometrial carcinomas.Eleven cases of UCE/DCEs with complete clinical follow-up that were diagnosed between 2006 and 2015 were included in the study...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28271701/an-update-on-the-biological-markers-of-endometriosis
#6
Razvan Socolov, Demetra Socolov, Allia Sindilar, Ioana Pavaleanu
BACKGROUND: Endometriosis is a disease that affects 7-10% of reproductive-age women. When its diagnosis is delayed, its management becomes more difficult. Both for earlier detection and for therapeutic follow-up, discovering noninvasive biological markers with good specificity for this disease is a promising aspect of its research. We analyzed the recent data in the literature regarding these markers to determine which were worth following. MATERIALS AND METHODS: This literature review focused on medical data reported in the last 6 years (2011-2016)...
March 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28253866/expression-of-sox2-nanog-and-oct4-in-a-mouse-model-of-lipopolysaccharide-induced-acute-uterine-injury-and-intrauterine-adhesions
#7
Li Xiao, Yong Song, Wei Huang, Shiyuan Yang, Jing Fu, Xue Feng, Min Zhou
BACKGROUND: Activation of inflammation-mediated endometrial injury is suggested to play a decisive role in pathogenesis of intrauterine adhesion (IUA). The stem cell theory of endometrial diseases has been given a hotspot, in that human endometrial stem cells have been isolated from the endometrium. Three transcription factors that play key roles in maintaining pluripotency and self-renewal in stem cells are sex-determining region Y-box2 (SOX2), Nanog homebox (NANOG), and octamer-binding protein (OCT4), which may be responsible for the damage or repair process of uterine endometrium...
March 3, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28251956/-comparison-of-the-expression-profile-of-surface-molecular-markers-on-mesenchymal-stromal-cell-cultures-isolated-from-human-endometrium-and-umbilical-cord
#8
A Yu Lupatov, R Yu Saryglar, V D Chuprynin, S V Pavlovich, K N Yarygin
Endometrial mesenchymal stromal cells (eMSCs), along with mesenchymal stromal cells (MSCs) isolated from other tissues, are promising for use in regenerative medicine. The benefits of eMSCs include their presence in adults, simplicity of isolation, high proliferative and differentiation capacity. In this study, we have employed the flow cytometry technique to assess expression of 28 molecular markers on the surface of two eMSCs cultures. The culture of MSCs isolated from Wharton's jelly of the umbilical cord (uMSCs) was used as a reference, because uMSCs were studied in details earlier and demonstrated their effectiveness in vivo...
January 2017: Biomedit︠s︡inskai︠a︡ Khimii︠a︡
https://www.readbyqxmd.com/read/28241208/association-between-telomere-length-and-risk-of-cancer-and-non-neoplastic-diseases-a-mendelian-randomization-study
#9
Philip C Haycock, Stephen Burgess, Aayah Nounu, Jie Zheng, George N Okoli, Jack Bowden, Kaitlin Hazel Wade, Nicholas J Timpson, David M Evans, Peter Willeit, Abraham Aviv, Tom R Gaunt, Gibran Hemani, Massimo Mangino, Hayley Patricia Ellis, Kathreena M Kurian, Karen A Pooley, Rosalind A Eeles, Jeffrey E Lee, Shenying Fang, Wei V Chen, Matthew H Law, Lisa M Bowdler, Mark M Iles, Qiong Yang, Bradford B Worrall, Hugh Stephen Markus, Rayjean J Hung, Chris I Amos, Amanda B Spurdle, Deborah J Thompson, Tracy A O'Mara, Brian Wolpin, Laufey Amundadottir, Rachael Stolzenberg-Solomon, Antonia Trichopoulou, N Charlotte Onland-Moret, Eiliv Lund, Eric J Duell, Federico Canzian, Gianluca Severi, Kim Overvad, Marc J Gunter, Rosario Tumino, Ulrika Svenson, Andre van Rij, Annette F Baas, Matthew J Bown, Nilesh J Samani, Femke N G van t'Hof, Gerard Tromp, Gregory T Jones, Helena Kuivaniemi, James R Elmore, Mattias Johansson, James Mckay, Ghislaine Scelo, Robert Carreras-Torres, Valerie Gaborieau, Paul Brennan, Paige M Bracci, Rachel E Neale, Sara H Olson, Steven Gallinger, Donghui Li, Gloria M Petersen, Harvey A Risch, Alison P Klein, Jiali Han, Christian C Abnet, Neal D Freedman, Philip R Taylor, John M Maris, Katja K Aben, Lambertus A Kiemeney, Sita H Vermeulen, John K Wiencke, Kyle M Walsh, Margaret Wrensch, Terri Rice, Clare Turnbull, Kevin Litchfield, Lavinia Paternoster, Marie Standl, Gonçalo R Abecasis, John Paul SanGiovanni, Yong Li, Vladan Mijatovic, Yadav Sapkota, Siew-Kee Low, Krina T Zondervan, Grant W Montgomery, Dale R Nyholt, David A van Heel, Karen Hunt, Dan E Arking, Foram N Ashar, Nona Sotoodehnia, Daniel Woo, Jonathan Rosand, Mary E Comeau, W Mark Brown, Edwin K Silverman, John E Hokanson, Michael H Cho, Jennie Hui, Manuel A Ferreira, Philip J Thompson, Alanna C Morrison, Janine F Felix, Nicholas L Smith, Angela M Christiano, Lynn Petukhova, Regina C Betz, Xing Fan, Xuejun Zhang, Caihong Zhu, Carl D Langefeld, Susan D Thompson, Feijie Wang, Xu Lin, David A Schwartz, Tasha Fingerlin, Jerome I Rotter, Mary Frances Cotch, Richard A Jensen, Matthias Munz, Henrik Dommisch, Arne S Schaefer, Fang Han, Hanna M Ollila, Ryan P Hillary, Omar Albagha, Stuart H Ralston, Chenjie Zeng, Wei Zheng, Xiao-Ou Shu, Andre Reis, Steffen Uebe, Ulrike Hüffmeier, Yoshiya Kawamura, Takeshi Otowa, Tsukasa Sasaki, Martin Lloyd Hibberd, Sonia Davila, Gang Xie, Katherine Siminovitch, Jin-Xin Bei, Yi-Xin Zeng, Asta Försti, Bowang Chen, Stefano Landi, Andre Franke, Annegret Fischer, David Ellinghaus, Carlos Flores, Imre Noth, Shwu-Fan Ma, Jia Nee Foo, Jianjun Liu, Jong-Won Kim, David G Cox, Olivier Delattre, Olivier Mirabeau, Christine F Skibola, Clara S Tang, Merce Garcia-Barcelo, Kai-Ping Chang, Wen-Hui Su, Yu-Sun Chang, Nicholas G Martin, Scott Gordon, Tracey D Wade, Chaeyoung Lee, Michiaki Kubo, Pei-Chieng Cha, Yusuke Nakamura, Daniel Levy, Masayuki Kimura, Shih-Jen Hwang, Steven Hunt, Tim Spector, Nicole Soranzo, Ani W Manichaikul, R Graham Barr, Bratati Kahali, Elizabeth Speliotes, Laura M Yerges-Armstrong, Ching-Yu Cheng, Jost B Jonas, Tien Yin Wong, Isabella Fogh, Kuang Lin, John F Powell, Kenneth Rice, Caroline L Relton, Richard M Martin, George Davey Smith
Importance: The causal direction and magnitude of the association between telomere length and incidence of cancer and non-neoplastic diseases is uncertain owing to the susceptibility of observational studies to confounding and reverse causation. Objective: To conduct a Mendelian randomization study, using germline genetic variants as instrumental variables, to appraise the causal relevance of telomere length for risk of cancer and non-neoplastic diseases. Data Sources: Genomewide association studies (GWAS) published up to January 15, 2015...
February 23, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28229988/endometrial-microrna-signature-during-the-window-of-implantation-changed-in-patients-with-repeated-implantation-failure
#10
Cheng Shi, Huan Shen, Li-Juan Fan, Jing Guan, Xin-Bang Zheng, Xi Chen, Rong Liang, Xiao-Wei Zhang, Qing-Hua Cui, Kun-Kun Sun, Zhu-Ran Zhao, Hong-Jing Han
BACKGROUND: At present, a diagnostic tool with high specificity for impaired endometrial receptivity, which may lead to implantation failure, remains to be developed. We aimed to assess the different endometrial microRNA (miRNA) signatures for impaired endometrial receptivity by microarray analysis. METHODS: A total of 12 repeated implantation failure (RIF) patients and 10 infertile patients, who conceived and delivered after one embryo transfer attempt, were recruited as RIF and control groups, respectively...
March 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28188685/sox2-dependent-inhibition-of-p21-is-associated-with-poor-prognosis-of-endometrial-cancer
#11
Kaoru Yamawaki, Tatsuya Ishiguro, Yutaro Mori, Kosuke Yoshihara, Kazuaki Suda, Ryo Tamura, Masayuki Yamaguchi, Masayuki Sekine, Katsunori Kashima, Masaya Higuchi, Masahiro Fujii, Koji Okamoto, Takayuki Enomoto
Sex-determining region Y-box 2 (SOX2) is an essential factor involved in the self-renewal and pluripotency of embryonic stem cells and has functions in cell survival and progression in many types of cancers. Here, we found that several endometrial cancer cell lines expressed SOX2, which was required for cell growth. Additionally, SOX2 overexpression regulated the expression of cyclin-dependent kinase inhibitor 1A (CDKN1A), and SOX2 specifically bound to p21 promoter DNA in endometrial cancer cell lines expressing SOX2...
February 11, 2017: Cancer Science
https://www.readbyqxmd.com/read/28091523/origin-of-anti-tumor-activity-of-the-cysteine-containing-go-peptides-and-further-optimization-of-their-cytotoxic-properties
#12
Irina I Tyuryaeva, Olga G Lyublinskaya, Ivan S Podkorytov, Nikolai R Skrynnikov
Antitumor GO peptides have been designed as dimerization inhibitors of prominent oncoprotein mucin 1. In this study we demonstrate that activity of GO peptides is independent of the level of cellular expression of mucin 1. Furthermore, these peptides prove to be broadly cytotoxic, causing cell death also in normal cells such as dermal fibroblasts and endometrial mesenchymal stem cells. To explore molecular mechanism of their cytotoxicity, we have designed and tested a number of new peptide sequences containing the key CxC or CxxC motifs...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28088786/ezh2-inhibition-suppresses-endometrial-cancer-progression-via-mir-361-twist-axis
#13
Kei Ihira, Peixin Dong, Ying Xiong, Hidemichi Watari, Yosuke Konno, Sharon Jb Hanley, Masayuki Noguchi, Noriyuki Hirata, Futoshi Suizu, Takahiro Yamada, Masataka Kudo, Noriaki Sakuragi
EZH2 inhibition and reactivation of tumor suppressor microRNAs (miRNAs) represent attractive anti-cancer therapeutic strategies. We found that EZH2-suppressed let 7b and miR-361, two likely tumor suppressors, inhibited endometrial cancer (EC) cell proliferation and invasion, and abrogated cancer stem cell-like properties. In EC cells, EZH2 induced and functioned together with YY1 to epigenetically suppress miR-361, which upregulated Twist, a direct target of miR-361. Treating EC cells with GSK343, a specific EZH2 inhibitor, mimicked the effects of siRNA-mediated EZH2 knockdown, upregulating miR-361 and downregulating Twist expression...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28079409/promoting-awareness-of-neonatal-menstruation
#14
Paola Bianchi, Giuseppe Benagiano, Ivo Brosens
Neonatal uterine bleeding (NUB) has been carefully studied in the past through case reports, small series, clinical cohort studies, pathology investigations of fetal and neonatal. Following a historical recount, this review summarizes biological mechanisms conditioning NUB, starting from the persistence till birth of an 'ontogenetic progesterone resistance' (OPR), causing decreased responsiveness of target tissues to bioavailable progesterone. Several pregnancy-related conditions, such as preeclampsia, fetal growth restriction, prematurity, post-maturity and even Rhesus or ABO incompatibility, influence the occurrence of NUB...
March 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27979878/implications-of-telomeres-and-telomerase-in-endometrial-pathology
#15
REVIEW
D K Hapangama, A Kamal, G Saretzki
BACKGROUND: Eukaryotic chromosomal ends are linear and are protected by nucleoprotein complexes known as telomeres. The complex structural anatomy and the diverse functions of telomeres as well as the unique reverse transcriptase enzyme, telomerase that maintains telomeres are under intensive scientific scrutiny. Both are involved in many human diseases including cancer, but also in ageing and chronic disease such as diabetes. Their intricate involvement in many cellular processes and pathways is being dynamically deciphered in many organs including the endometrium...
December 15, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27925313/isolation-proliferation-and-characterization-of-endometrial-canine-stem-cells
#16
V De Cesaris, S Grolli, C Bresciani, V Conti, G Basini, E Parmigiani, E Bigliardi
In the last decade, progenitor cells isolated from dissociated endometrial tissue have been the subject of many studies in several animal species. Recently, endometrial cells showing characteristics of mesenchymal stem cells (MSC) have been demonstrated in human, pig and cow uterine tissue samples. The aim of this study was the isolation and characterization of stromal cells from the endometrium of healthy bitches, a tissue that after elective surgery is routinely discarded. Multipotent stromal cells could be isolated from all bitches enrolled in the study (n = 7)...
December 7, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27921235/transplantation-of-collagen-scaffold-with-autologous-bone-marrow-mononuclear-cells-promotes-functional-endometrium-reconstruction-via-downregulating-%C3%AE-np63-expression-in-asherman-s-syndrome
#17
Guangfeng Zhao, Yun Cao, Xianghong Zhu, Xiaoqiu Tang, Lijun Ding, Haixiang Sun, Juan Li, Xinan Li, Chenyan Dai, Tong Ru, Hui Zhu, Jingjie Lu, Caimei Lin, Jingmei Wang, Guijun Yan, Huiyan Wang, Lei Wang, Yimin Dai, Bin Wang, Ruotian Li, Jianwu Dai, Yan Zhou, Yali Hu
Asherman's syndrome (AS) is a common disease that presents endometrial regeneration disorder. However, little is known about its molecular features of this aregenerative endometrium in AS and how to reconstruct the functioning endometrium for the patients with AS. Here, we report that ΔNp63 is significantly upregulated in residual epithelial cells of the impaired endometrium in AS; the upregulated-ΔNp63 induces endometrial quiescence and alteration of stemness. Importantly, we demonstrate that engrafting high density of autologous bone marrow mononuclear cells (BMNCs) loaded in collagen scaffold onto the uterine lining of patients with AS downregulates ΔNp63 expression, reverses ΔNp63-induced pathological changes, normalizes the stemness alterations and restores endometrial regeneration...
December 1, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27900877/mesenchymal-stem-cells-a-promising-tool-for-targeted-gene-therapy-of-endometriosis
#18
Aghila Rani Koippallil Gopalakrishnan, Uday Kishore, Taruna Madan
Endometriosis is a leading, benign gynecological disorder around the world. Last few years have witnessed tremendous growth in the field of endometriosis and endometrial stem-cell research. Despite advancements in the biology and pathology of endometriosis, disease recurrence is still an enigma. Gene therapy holds promise in treating many pathologic conditions including endometriosis. Mesenchymal stem cells (MSCs) serve as ideal candidates for regenerative medicine and cell-based therapies. Owing to their specificity to the endometrium, residing endometrial MSC populations could be utilized as ideal candidates for targeting endometrial disorders...
January 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/27890645/spatial-and-temporal-characterization-of-endometrial-mesenchymal-stem-like-cells-activity-during-the-menstrual-cycle
#19
Xu Shan, Rachel W S Chan, Ernest H Y Ng, William S B Yeung
The human endometrium is a highly dynamic tissue with the ability to cyclically regenerate during the reproductive life. Endometrial mesenchymal stem-like cells (eMSCs) located throughout the endometrium have shown to functionally contribute to endometrial regeneration. In this study we examine whether the menstrual cycle stage and the location in the endometrial bilayer (superficial and deep portions of the endometrium) has an effect on stem cell activities of eMSCs (CD140b(+)CD146(+) cells). Here we show the percentage and clonogenic ability of eMSCs were constant in the various stages of the menstrual cycle (menstrual, proliferative and secretory)...
January 1, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/27887719/leucine-rich-repeat-containing-g-protein-coupled%C3%A2-receptor%C3%A2-5-positive%C3%A2-cells%C3%A2-in-the-endometrial-stem-cell-niche
#20
Irene Cervelló, Claudia Gil-Sanchis, Xavier Santamaría, Amparo Faus, Julia Vallvé-Juanico, Patricia Díaz-Gimeno, Oriana Genolet, Antonio Pellicer, Carlos Simón
OBJECTIVE: To study, isolate and characterize leucine-rich repeat-containing heterotrimeric guanine nucleotide-binding protein-coupled receptor 5 (LGR5)-positive cells from human endometrium to determine their functional relevance. DESIGN: Prospective experimental animal study. SETTING: University research laboratories. ANIMAL(S): Nonobese diabetic mice (NOD-SCID) (strain code 394; NOD.CB17-Prkdc(scid)/NcrCrl). INTERVENTION(S): Human LGR5(+) cells were labeled with superparamagnetic iron oxide nanoparticles (SPIOs) and injected under the kidney capsule in immunocompromised mice...
February 2017: Fertility and Sterility
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