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Luka Dobovišek, Marko Hojnik, Polonca Ferk
The physiological and pathophysiological roles of sex hormones have been well documented and the modulation of their effects is applicable in many current treatments. On the other hand, the physiological role of endocannabinoids is not yet clearly understood and the endocannabinoid system is considered a relatively new therapeutic target. The physiological association between sex hormones and cannabinoids has been investigated in several studies; however, its involvement in the pathophysiology of common human diseases has been studied separately...
October 17, 2016: International Journal of Molecular Medicine
Takayuki Nagasawa, Tamotsu Sugai, Tadahiro Shoji, Wataru Habano, Toru Sugiyama
OBJECTIVE: Endometrial adenocarcinomas are characterized by the presence of many single tumor glands in which multiple genetic changes have accumulated. To elucidate the differences in molecular abnormalities among single tumor glands, individual tumor glands were analyzed and microsatellite alterations (loss of heterozygosity (LOH) and microsatellite instability [MSI]) were examined using the crypt isolation method in glands from each tumor from patients with endometrial carcinoma. METHODS: Twenty-five patients with endometrial adenocarcinoma who underwent surgery were included in this study...
November 2016: International Journal of Gynecological Cancer
Niraj R Joshi, Eduardo H Miyadahira, Yalda Afshar, Jae-Wook Jeong, Steven L Young, Bruce A Lessey, Paulo C Serafini, Asgerally T Fazleabas
CONTEXT: Endometriosis results in aberrant gene expression in the eutopic endometrium(EuE) and subsequent progesterone(P) resistance. MicroRNA(miR) microarray data in a baboon model of endometriosis showed an increased expression of miR-29c. OBJECTIVES: To explore the role of miR-29c in P resistance in a subset of women with endometriosis. DESIGN: MiR-29c expression was analyzed in the endometrium of baboons and women with or without endometriosis...
October 25, 2016: Journal of Clinical Endocrinology and Metabolism
Alexis Heller
BACKGROUND: Specimens of endometrial biopsies can sometimes present with an artifact within blood, composed of optically clear vacuoles mimicking adipose tissue, pseudolipomatosis. This artifact can be mistaken for adipose tissue and lead to an overdiagnosis of uterine perforation. CASE: We describe the case of pseudolipomatosis seen within the evacuated products of conception from a missed abortion. RESULTS: Areas of vacuolization in the blood clot mimicked adipose tissue...
October 24, 2016: International Journal of Surgical Pathology
Jun Zhao, Xiao Liu, Ya-Li Li, Ming-Hua Tang
OBJECTIVE: To determine the effects of hypobaric hypoxia pretreatment on surgically induced endometriosis in rats. METHODS: Six rats were randomized into 2 groups and exposed to hypoxia (8% O2) and normoxia (21% O2) for 8 h. The uterine endometrium was intraperitoneally implanted into estrogen-treated ovariectomized Lewis rat, and the growth and quality of the implants were measured. The changes in apoptosis, protein and gene expressions in the serum, abdominis effusion fluids and implants were tested by ELISA, immunohistochemical staining, TUNNEL assay, Western blotting and RT-PCR...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Jaya Uppal, Stanislaw Sobotka, Arthur L Jenkins
BACKGROUND: Multiple causes outside the spine can mimic spinal back pain. Endometriosis is an important gynecological disorder, which commonly affects the lower region of the female pelvis and less frequently the spine and soft tissues. The lumbosacral trunk is vulnerable to pressure from any abdominal mass originating from the uterus and the ovaries. Therefore symptoms of endometriosis include severe reoccurring pain in the pelvic area as well as lower back and abdominal pain. CASE DESCRIPTION: We report on a 39 year old gymnast with cyclic sciatica and back pain, whose initial presentation initially led to a spinal fusion at L4/5 and L5/S1, but that procedure did not change her symptoms...
October 21, 2016: World Neurosurgery
Tatsanee Phermthai, Kittima Tungprasertpol, Suphakde Julavijitphong, Puttachart Pokathikorn, Sasiprapa Thongbopit, Suparat Wichitwiengrat
Transplantation of mesenchymal stem cells (MSC) can effectively repair endometrial deficiencies, including infertile patients with a problem of inadequate endometrium thickness. Although, MSC derived from different organ sources have a similarity of MSC specific characteristics, endometrial stem cells (EMSC) are temporally regulated throughout the menstrual cycle in a micro-environmental niche found only in endometrial tissue. Given the micro-environment niche, developing treatments for endometrial disorders with EMSC should be a top priority...
October 21, 2016: Reproductive Biology
Bjørn Hagen, Marit Valla, Guro Aune, Merethe Ravlo, Anne Britt Abusland, Elisabeth Araya, Marit Sundset, Solveig Tingulstad
OBJECTIVE: A sentinel lymph node (SLN) strategy may have particular value in endometrial cancer (EC) because a therapeutic effect of lymphadenectomy per se is unproven. The aim was to evaluate indocyanine green (ICG) and near-infrared (NIR) fluorescence mapping using a surgical algorithm. METHODS: From November 2012 through December 2015, women with apparently early stage EC underwent robot-assisted laparoscopic hysterectomy including ICG fluorescence SLN mapping following the Memorial Sloane Kettering Cancer Center (MSKCC) surgical algorithm...
October 21, 2016: Gynecologic Oncology
Yanfen Li, Malavika K Adur, Athilakshmi Kannan, Juanmahel Davila, Yuechao Zhao, Romana A Nowak, Milan K Bagchi, Indrani C Bagchi, Quanxi Li
Endometriosis, defined as growth of the endometrial cells outside the uterus, is an inflammatory disorder that is associated with chronic pelvic pain and infertility in women of childbearing age. Although the estrogen-dependence of endometriosis is well known, the role of progesterone in development of this disease remains poorly understood. In this study, we developed a disease model in which endometriosis was induced in the peritoneal cavities of immunocompetent female mice, and maintained with exogenous estrogen...
2016: PloS One
Friedrich Kommoss, Asma Faruqi, C Blake Gilks, Sarah Lamshang Leen, Naveena Singh, Nafisa Wilkinson, W Glenn McCluggage
We investigated the frequency, histopathologic, and immunohistochemical characteristics of tubal involvement in uterine serous carcinoma (USC) and aimed to clarify the relationship between "serous tubal intraepithelial carcinoma (STIC)" and USC in these cases. Cases of USC with complete tubal examination were prospectively collected and reviewed for the presence of tubal involvement. Immunohistochemical analysis for p53 and WT1 was performed on the endometrial and tubal tumor in cases with tubal involvement...
October 21, 2016: American Journal of Surgical Pathology
Dong Hoon Suh, Miseon Kim, Hak Jae Kim, Kyung Hun Lee, Jae Weon Kim
In 2015, fourteen topics were selected as major research advances in gynecologic oncology. For ovarian cancer, high-level evidence for annual screening with multimodal strategy which could reduce ovarian cancer deaths was reported. The best preventive strategies with current status of evidence level were also summarized. Final report of chemotherapy or upfront surgery (CHORUS) trial of neoadjuvant chemotherapy in advanced stage ovarian cancer and individualized therapy based on gene characteristics followed...
November 2016: Journal of Gynecologic Oncology
Whasun Lim, Hyocheol Bae, Fuller W Bazer, Gwonhwa Song
Eph and ephrin regulate diverse biological events such as proliferation, adhesion, migration, and angiogenesis through cell-to-cell interactions. However, little is known of their functional role and mechanisms of action in uterine endometrial cells. In the present study, we demonstrated the effects of the Eph and ephrin on interactions between blastocysts and endometrial luminal epithelial (pLE) cells in the pig that is regarded as an excellent biomedical animal model for research on the peri-implantation period of pregnancy...
October 24, 2016: Journal of Cellular Physiology
T Zhong, Y Men, L Lu, T Geng, J Zhou, A Mitsuhashi, M Shozu, N J Maihle, G G Carmichael, H S Taylor, Y Huang
The molecular mechanisms underlying the antineoplastic properties of metformin, a first-line drug for type 2 diabetes, remain elusive. Here we report that metformin induces genome-wide alterations in DNA methylation by modulating the activity of S-adenosylhomocysteine hydrolase (SAHH). Exposing cancer cells to metformin leads to hypermethylation of tumor-promoting pathway genes and concomitant inhibition of cell proliferation. Metformin acts by upregulating microRNA let-7 through AMPK activation, leading to degradation of H19 long noncoding RNA, which normally binds to and inactivates SAHH...
October 24, 2016: Oncogene
Jason Gandhi, Gautam Dagur, Kelly Warren, Noel Smith, Sardar Ali Khan
BACKGROUND: Diabetes mellitus is a vastly prevalent metabolic disorder with escalating global health concerns. Particularly when mismanaged, chronic micro- and macrovascular complications may highly impair physiological systems while immunodeficiency disposes us to infection. OBJECTIVE: We investigate infections, localized complications, and neoplasms of the genitourinary system secondary to the chronic complications of diabetes mellitus in males and females. METHOD: A comprehensive MEDLINE® search was guided using key words relevant to diabetes mellitus and the genitourinary system...
October 19, 2016: Current Diabetes Reviews
Yuqing Chen, Lixiang Liu, Yuanna Luo, Minghui Chen, Yang Huan, Ruili Fang
STUDY OBJECTIVE: To evaluate the prevalence and impact of chronic endometritis (CE) in patients with intrauterine adhesions (IUAs). DESIGN: Prospective cohort study between May 2015 and December 2015. DESIGN: Classification:Canadian Task Force classification II-2 SETTING: University-affiliated Hospital. PATIENT(S): Eighty-two women with moderate to severe IUA.
 INTERVENTION(S): Transcervical resection of adhesions (TCRA) and endometrial biopsy were performed in all patients...
October 20, 2016: Journal of Minimally Invasive Gynecology
Vasileios Charalampakis, Abd A Tahrani, Ahmed Helmy, Janesh K Gupta, Rishi Singhal
One of the most effective methods to tackle obesity and its related comorbidities is bariatric surgery. Polycystic ovary syndrome (PCOS) and endometrial hyperplasia (EH), which are associated with increased risk of endometrial carcinoma, have been identified as potentially new indications for bariatric surgery. PCOS is the most common endocrine disorder in women in the reproductive age and is associated with several components of the metabolic syndrome such as obesity, insulin resistance and hypertension. EH is a pre-cancerous condition which arises in the presence of chronic exposure to estrogen unopposed by progesterone such as both in PCOS and obesity...
October 17, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Maria R Rebordão, António Galvão, Pedro Pinto-Bravo, Joana Pinheiro, Sandra Gamboa, Elisabete Silva, Luísa Mateus, Graça Ferreira-Dias
Oxytocin (OXT) has been used to prolong the luteal phase in mares, but its mechanism of action is unknown. The aim of this study was to evaluate the effect of chronic exogenous OXT administration to mid-luteal phase mares on luteal maintenance. Also, endometrial expression of prostaglandin endoperoxide synthase 2 (PTGS2), prostaglandin F2α, E2 and I2 synthases (AKR1C3, PTGES, and PTGIS), oxytocin receptor (OXTR), progesterone receptor (PGR), and estrogen receptors 1 (ESR1) and 2 (ESR2) were assessed in mares experiencing luteal maintenance 2 weeks after chronic exogenous OXT administration...
September 8, 2016: Theriogenology
Harini Edirisinghe, Anita Mani
No abstract text is available yet for this article.
February 2016: Pathology
W W Yong, J Perry-Keene
No abstract text is available yet for this article.
February 2016: Pathology
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