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https://www.readbyqxmd.com/read/27883998/the-non-ergot-derived-dopamine-agonist-quinagolide-as-an-anti-endometriotic-agent
#1
Alpaslan Akyol, Ebru Kavak, Hadice Akyol, Şehmus Pala, Ferit Gürsu
AIM: The study aimed to investigate the efficacy of a dopamine agonist, quinagolide, on experimentally induced endometriosis in a rat model. METHODS: Twenty female Wistar rats were used in this experiment. Endometriosis was surgically induced by transplantation of autologous endometrial tissue. A second laparotomy was performed 4 weeks after the first one to assess the pre-treatment implant volumes, and peritoneal lavage with saline solution was performed to assess the peritoneal cytokine levels...
November 25, 2016: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/27854162/endometritis-increases-pro-inflammatory-cytokines-in-follicular-fluid-and-cervico-vaginal-mucus-in-the-buffalo-cow
#2
Jones Boby, Harendra Kumar, Harihar Prasad Gupta, Mustapha Hussain Jan, Sanjay Kumar Singh, Manas Kumar Patra, Sukdeb Nandi, Asha Abraham, Narayanan Krishnaswamy
Emerging evidence shows that some of the pro-inflammatory cytokines are elevated not only in the endometrium but also in the follicular fluid of cows with endometritis. Developing a cervico-vaginal mucus (CVM) based test has the potential for becoming a pen-side test because of the ease of sample collection. The present study describes the results of two different experiments. The first experiment was conducted to investigate the influence of endometritis on the proinflammatory cytokines of follicular fluid based on the reproductive tracts of buffalo collected at a slaughter house Buffalo genitalia were categorized into purulent endometritis (PE), cytological endometritis (CE), and non-endometritis (NE) based on the white-side test and endometrial cytology, respectively (n = 14/group)...
November 17, 2016: Animal Biotechnology
https://www.readbyqxmd.com/read/27834479/-resectoscope-versus-small-diameter-hysteroscopy-for-endometrial-polypectomy-in-patients-with-unfavorable-cervix
#3
Pasquale De Franciscis, Flavio Grauso, Enrico M Messalli, Maria T Schettino, Gloria Calagna, Antonino Perino, Nicola Colacurci, Marco Torella
BACKGROUND: To compare resectoscopic and small-diameter hysteroscopic techniques for endometrial polypectomy in patients with "unfavorable" cervix. METHODS: Eighty women with a single 2-4 cm sized endometrial polyp, with unfavorable cervical anatomical conditions were enrolled in the study. Forty patients were treated with a 26F resectoscope requiring cervical dilatation (group A), forty patients were treated with a 5-mm hysteroscope requiring vaginoscopic approach (group B)...
November 11, 2016: Minerva Ginecologica
https://www.readbyqxmd.com/read/27833918/activin-a-stimulates-aromatase-via-the-alk4-smad-pathway-in-endometriosis
#4
Juan Zheng, Juan Qu, Pinhong Lu, Zhen Hou, Yugui Cui, Yundong Mao, Xiaochen Qi, Hui Ji, Jiayin Liu
Endometriosis is an estrogen-dependent disease. We previously found that the expression of Activin A was upregulated in the peritoneal fluid of patients with endometriosis. The results of the present study indicated that Activin A induced estradiol secretion and P450arom expression in endometrial stromal cells (ESCs) derived from endometriosis patients. The mechanism of estrogenic synthesis was regulated by the Activin-Smad pathway in endometrial lesions. The data showed that the effect of Activin A on ESCs was partially abrogated by pretreatment with an inhibitor of ALK4 (the type I receptor, ActRIB) and Smad4-siRNA...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27819640/mature-teratoma-associated-with-bilateral-ovarian-carcinosarcoma-accidental-association-or-etiopathogenetic-determinism-case-report
#5
Rodica Birla, Elena-Roxana Catanescu, Andrei Caragui, Silviu Constantinoiu
Carcinosarcoma is a rare form of ovarian cancer with mixed origin, and its association with mature teratoma is extremely rare. We present the case of patient T. M. aged 67, admitted into our clinic on the 15/05/2016, F.O. 4877 for the increase of the abdominal volume. On admission, the patient was afebrile, conscious, cooperative, cardio-respiratory balanced, having the abdomen distended in volume, sharp dullness in the flanks, positive wave sign bioumoral within normal limits except: uric acid = 6.64 mg / dL, serum glucose = 113...
2016: Chirurgia
https://www.readbyqxmd.com/read/27738175/oral-administration-of-pentoxifylline-reduces-endometriosis-like-lesions-in-a-nude-mouse-model
#6
Maria Perelló, Iñaki González-Foruria, Paola Castillo, Mario Martínez-Florensa, Francisco Lozano, Juan Balasch, Francisco Carmona
INTRODUCTION: Recent reports consider endometriosis to be an immunological disorder, thus suggesting potential efficacy of immunomodulators for its treatment. The aim of this study was to assess the effects of oral administration of pentoxifylline on endometriosis-like lesions in a heterologous mice model. STUDY DESIGN: Human endometrial tissue obtained from women (n = 5) undergoing surgery for benign conditions was implanted in nude female mice (n = 30). The animals were distributed into 3 experimental groups receiving: saline 0...
October 12, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27717732/evidence-that-the-endometrial-microbiota-has-an-effect-on-implantation-success-or-failure
#7
Inmaculada Moreno, Francisco M Codoñer, Felipe Vilella, Diana Valbuena, Juan F Martinez-Blanch, Jorge Jimenez-Almazán, Roberto Alonso, Pilar Alamá, Jose Remohí, Antonio Pellicer, Daniel Ramon, Carlos Simon
BACKGROUND: Bacterial cells in the human body account for 1-3% of total body weight and are at least equal in number to human cells. Recent research has focused on understanding how the different bacterial communities in the body (eg, gut, respiratory, skin, and vaginal microbiomes) predispose to health and disease. The microbiota of the reproductive tract has been inferred from the vaginal bacterial communities, and the uterus has been classically considered a sterile cavity. However, while the vaginal microbiota has been investigated in depth, there is a paucity of consistent data regarding the existence of an endometrial microbiota and its possible impact in reproductive function...
December 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27711226/placental-growth-factor-is-secreted-by-the-human-endometrium-and-has-potential-important-functions-during-embryo-development-and-implantation
#8
Natalie K Binder, Jemma Evans, Lois A Salamonsen, David K Gardner, Tu'uhevaha J Kaitu'u-Lino, Natalie J Hannan
Embryo implantation requires synchronized dialogue between the receptive endometrium and activated blastocyst via locally produced soluble mediators. During the mid-secretory (MS) phase of the menstrual cycle, increased glandular secretion into the uterine lumen provides important mediators that modulate the endometrium and support the conceptus during implantation. Previously we demonstrated the importance of vascular endothelial growth factor (VEGF) in the human uterus, particularly with respect to embryo implantation...
2016: PloS One
https://www.readbyqxmd.com/read/27665743/compartmentalized-gene-expression-profiling-of-receptive-endometrium-reveals-progesterone-regulated-enpp3-is-differentially-expressed-and-secreted-in-glycosylated-form
#9
Nageswara Rao Boggavarapu, Sujata Lalitkumar, Vijay Joshua, Sergo Kasvandik, Andres Salumets, Parameswaran Grace Lalitkumar, Kristina Gemzell-Danielsson
The complexity of endometrial receptivity at the molecular level needs to be explored in detail to improve the management of infertility. Here, differential expression of transcriptomes in receptive endometrial glands and stroma revealed Ectonucleotide Pyrophosphatase/Phosphodiesterase 3 (ENPP3) as a progesterone regulated factor and confirmed by various methods, both at mRNA and protein level. The involvement of ENPP3 in embryo attachment was tested in an in vitro model for human embryo implantation. Interestingly, there was high expression of ENPP3 mRNA in stroma but not protein...
September 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27664218/autologous-menstrual-blood-derived-stromal-cells-transplantation-for-severe-asherman-s-syndrome
#10
Jichun Tan, Pingping Li, Qiushi Wang, Yaxuan Li, Xiaoni Li, Dongni Zhao, Xiaoyan Xu, Lin Kong
STUDY QUESTION: Does autologous transplantation of menstrual blood-derived stromal cells (menSCs) regenerate endometrium to support pregnancy in patients with severe Asherman's syndrome (AS)? SUMMARY ANSWER: Autologous menSCs transplantation significantly increases endometrial thickness (ET) for women with severe AS. WHAT IS KNOWN ALREADY: AS is a major cause of secondary infertility in women. Cell transplantation has been tried in a few clinical cases with encouraging results...
September 22, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27663891/dioxin-like-rather-than-non-dioxin-like-pcbs-promote-the-development-of-endometriosis-through-stimulation-of-endocrine-inflammation-interactions
#11
Qiansheng Huang, Yajie Chen, Qionghua Chen, Huanteng Zhang, Yi Lin, Maobi Zhu, Sijun Dong
Polychlorinated biphenyls (PCBs) contain 209 congeners with various structure-activities. Exposure to PCBs was related to disorders of female reproduction. Endometriosis (EM) is an estrogen- and inflammation-dependent disease with high prevalence and severe health outcomes. Epidemiological studies have shown the effects of PCBs exposure on EM in regard to various structures of PCBs. However, little evidence is available from the toxicology considering the structure of PCBs. In the study, environmentally relevant concentrations of PCBs were used to treat primary cultured endometrial cells and an EM mouse model...
September 23, 2016: Archives of Toxicology
https://www.readbyqxmd.com/read/27647013/viburnum-opulus-l-a-remedy-for-the-treatment-of-endometriosis-demonstrated-by-rat-model-of-surgically-induced-endometriosis
#12
Gülçin Saltan, Ipek Süntar, Serkan Ozbilgin, Mert Ilhan, M Ayşe Demirel, Burçin Ergene Oz, Hikmet Keleş, Esra Küpeli Akkol
ETHNOPHARMACOLOGICAL RELEVANCE: Endometriosis is a gynecological disorder characterized by the presence of endometrial tissue outside the uterine cavity. The fruits of Viburnum opulus L. have been used to treat gynecological disorders including primary and secondary dysmenorrhea and ovarian cysts. MATERIALS AND METHODS: Air-dried and powdered fruits of V. opulus were extracted sequentially with n-hexane, ethyl acetate (EtOAc), and methanol (MeOH), respectively for four days...
September 16, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27644084/correlation-between-cyr61-expression-and-clinicopathologic-parameters-in-adenomyosis
#13
Duo Zhang, Wei Xia, Tong Tong, Cheng Li, Wei Shi, Ming-Xing Yan, Rui-Hong Xue, Xiao-Ming Guan, Jian Zhang
Adenomyosis, a benign invasion of endometrium, is closely related to endometriosis. Cysteine-rich 61 (Cyr61), a protein present in all endometrial tissues and menstrual effluents, is known to be associated with endometriosis. However, its relation to adenomyosis has not been determined thus far. Therefore, here, we aimed to investigate the expression of Cyr61 protein in adenomyosis and determine the correlation between Cyr61 expression and clinicopathologic parameters in patients with adenomyosis. One hundred and twenty patients with histologically diagnosed adenomyosis, who underwent hysterectomy for non-endometrial disease were enrolled in this study...
August 17, 2016: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/27628753/regulation-of-apoptotic-pathways-during-endometriosis-from-the-molecular-basis-to-the-future-perspectives
#14
Vaclav Vetvicka, Antonio Simone Laganà, Francesca Maria Salmeri, Onofrio Triolo, Vittorio Italo Palmara, Salvatore Giovanni Vitale, Vincenza Sofo, Milena Králíčková
PURPOSE: Endometriosis is defined as the presence of endometrial-like endometrial cells, glands and stroma outside the uterus, causing a strong inflammatory-like microenvironment in the affected tissue. This may provoke a breakdown in the peritoneal cavity homeostasis, with the consequent processes of immune alteration, documented by peripheral mononuclear cells recruitment and secretion of inflammatory cytokines in early phases and of angiogenic and fibrogenic cytokines in the late stages of the disease...
November 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/27604098/the-usefulness-of-uterine-lavage-and-acute-phase-protein-levels-as-a-diagnostic-tool-for-subclinical-endometritis-in-icelandic-mares
#15
Monika Sikora, Jarosław Król, Marcin Nowak, Tadeusz Stefaniak, Gudmar Aubertsson, Roland Kozdrowski
BACKGROUND: Endometritis is a common problem in a broodmare practice, often leading to infertility. The diagnosis is based on several methods such as cytology, bacteriology and histopathology; however the outcome of these methods may be inconclusive even when used together. The objectives of this study were: (1) to investigate the usefulness of acute phase proteins as an additional diagnostic tool for diagnosis of subclinical endometritis in mares and (2) to evaluate the association between macroscopic changes in uterine flushes and inflammation of the uterus...
2016: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/27593876/decreased-progesterone-receptor-b-a-ratio-in-endometrial-cells-by-tumor-necrosis-factor-alpha-and-peritoneal-fluid-from-patients-with-endometriosis
#16
Uisoo Chae, Jin Young Min, Sung Hoon Kim, Hyo Jin Ihm, Young Sang Oh, So Yun Park, Hee Dong Chae, Chung Hoon Kim, Byung Moon Kang
PURPOSE: Progesterone resistance is thought to be a major factor that contributes to progression of endometriosis. However, it is not clear what causes progesterone resistance in endometriosis. This study aimed to assess whether cytokines or peritoneal fluid can affect progesterone receptor (PR) expression in endometrial cells and to verify whether PR expression is reduced in endometriosis. MATERIALS AND METHODS: The PR-B/A ratio was measured via real-time polymerase chain reaction after in vitro culture, in which endometrial cells were treated with either tumor necrosis factor-alpha (TNF-α), interleukin-1 beta, or peritoneal fluid obtained from women with advanced-stage endometriosis...
November 2016: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27590065/differentiation-of-human-menstrual-blood-derived-endometrial-mesenchymal-stem-cells-into-oocyte-like-cells
#17
Dongmei Lai, Ying Guo, Qiuwan Zhang, Yifei Chen, Charlie Xiang
Human endometrial mesenchymal stem cells (EnSCs) derived from menstrual blood are a unique stem cell source. Evidence suggests that EnSCs exhibit a multi-lineage potential and have attracted extensive attention in regenerative medicine. However, the potential of EnSCs to differentiate into germline cells in vitro remains unclear. In this study, EnSCs were induced to differentiate into germ cells in a differentiation medium supplemented with 20% human follicular fluid. Our results demonstrated that EnSCs derived from human menstrual blood form oocyte-like cells and express germ cell markers...
September 2, 2016: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/27553970/fractalkine-cx3cr1-is-involved-in-the-pathogenesis-of-endometriosis-by-regulating-endometrial-stromal-cell-proliferation-and-invasion
#18
Xin-Xin Hou, Wen-Jie Zhou, Xiao-Qiu Wang, Da-Jin Li
PROBLEM: Chemokines have been reported to play a sovereign role in the establishment and progression of endometriosis. Fractalkine is a chemokine that is upregulated in many inflammatory diseases including endometriosis. Fractalkine functions as a chemotactic role for lymphocytes and monocytes. In this study, we investigated the role of fractalkine/CX3CR1 in the pathogenesis of endometriosis. METHOD OF STUDY: In this study, immunohistochemistry was performed on normal endometrium (taken from controls), eutopic endometrium (taken from patients with endometriosis), and ectopic tissues to analyze fractalkine/CX3CR1 expression...
October 2016: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/27542948/tnf%C3%AE-induced-ikk%C3%AE-complex-activation-influences-epithelial-but-not-stromal-cell-survival-in-endometriosis
#19
Vida Kocbek, Giovanni Grandi, Fabian Blank, Carlos Wotzkow, Nick A Bersinger, Michael D Mueller, Satoru Kyo, Brett D McKinnon
STUDY HYPOTHESIS: Can the activity of the IκB kinase (IKKβ) complex in endometriotic cells contribute to endometriotic lesion survival? STUDY ANSWER: There is a constitutive activity of the IKKβ catalytic complex in peritoneal and deeply infiltrating lesions that can influence epithelial, but not stromal cell viability. WHAT IS KNOWN ALREADY: Endometriotic lesions exist in an inflammatory microenvironment with higher local concentrations of cytokines, such as tumor necrosis factor α (TNFα)...
August 19, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27535962/analysis-of-the-uterine-epithelial-and-conceptus-transcriptome-and-luminal-fluid-proteome-during-the-peri-implantation-period-of-pregnancy-in-sheep
#20
Kelsey Brooks, Gregory W Burns, Joao G N Moraes, Thomas E Spencer
Available studies support the idea that the uterine epithelia and their secretions have important biological roles in conceptus survival, elongation and implantation in sheep. The present study evaluated the transcriptome of the uterine luminal epithelium (LE), glandular epithelium (GE) and conceptus, and proteome of the uterine luminal fluid (ULF) during the peri-implantation period of pregnancy. Transcriptome (RNA-sequencing) analysis was conducted on LE and GE isolated from uteri of Day 10, 12, 14, 16, and 20 pregnant sheep by laser capture microdissection...
August 17, 2016: Biology of Reproduction
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