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endometrial hyperplasia

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https://www.readbyqxmd.com/read/29164806/enhanced-cytotoxicity-and-apoptosis-by-raloxifene-in-combination-with-estrogen-and-methotrexate-in-human-endometrial-stromal-thesc-cells
#1
Ivana Nikolic, Marija Andjelkovic, Milan Zaric, Ivanka Zelen, Zoran Milosavljevic, Petar Canovic, Marina Mitrovic
Endometrial hyperplasia is a condition that may lead to the development of endometrial carcinoma. Initially, changes of the endometrium are caused by the estrogen's hyperstimulation that may lead to the development of an irregular bleeding and the infertility problems. Therapy of endometrial hyperplasia's is limited to medical and surgical approaches. During the past decade, the new types of drugs were developed for the treatment of the endometrial hyperplasia. Here, for the first time, we investigated the cytotoxic effects of the various combinations of estrogen, raloxifene and methotrexate in human ThESC cell line as a possible potential treatment of the endometrial hyperplasia...
November 22, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29153060/using-pyruvate-kinase-as-a-predictor-for-patient-with-endometrial-cancer-having-complex-hyperplasia-with-atypia-to-prevent-hysterectomy-and-preserve-fertility-retrospective-immunohistochemical-study
#2
Susan Hosseini Nasab, Neda Jooya, Aryan Esmaeili, Neda Zarrin Khameh, Concepcion Diaz-Arrastia, Mazdak Momeni
OBJECTIVES: To explore whether the metabolic switches proceed or succeed the histological changes in precancerous lesions. To validate pyruvate kinase isoform 1 (PKM1) and pyruvate kinase isoform 2 (PKM2) as a histological biomarker to predict the progression of endometrial hyperplasia into invasive cancer status. METHODS: The records of 56 patients with a primary diagnosis of complex hyperplasia with atypia after endometrial biopsy were selected and analyzed retrospectively...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29139552/critical-evaluation-of-the-palm-coein-classification-system-among-women-with-abnormal-uterine-bleeding-in-low-resource-settings
#3
Divya Shubham, Anjali S Kawthalkar
OBJECTIVE: To assess the feasibility of the PALM-COEIN system for the classification of abnormal uterine bleeding (AUB) in low-resource settings and to suggest modifications. METHODS: A prospective study was conducted among women with AUB who were admitted to the gynecology ward of a tertiary care hospital and research center in central India between November 2014 and October 2016. All patients were managed as per department protocols. The causes of AUB were classified before treatment using the PALM-COEIN system (classification I) and on the basis of the histopathology reports of the hysterectomy specimens (classification II); the results were compared using classification II as the gold standard...
November 15, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29133593/adipose-derived-vegf-mtor-signaling-promotes-endometrial-hyperplasia-and-cancer-implications-for-obese-women
#4
Subhransu S Sahoo, Janine Lombard, Yvette Ius, Rachel O'Sullivan, Lisa G Wood, Pravin Nahar, Kenneth Simon Jaaback, Pradeep Tanwar
Obesity is responsible for increased morbidity and mortality in endometrial cancer (EC). Despite the positive correlation of body mass index (BMI) or obesity in endometrial carcinogenesis, the contribution of adipose tissue to the pathogenesis of endometrial hyperplasia and cancer is unclear. This study clarifies the role of adipocytes in the pathogenesis of EC by demonstrating that adipocyte-conditioned medium (ACM) increases proliferation, migration, and survival of EC cells compared to pre-adipocyte-conditioned medium (PACM)...
November 13, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29133384/estrogen-and-high-fat-diet-induced-alterations-in-c57bl-6-mice-endometrial-transcriptome-profile
#5
Yali Cheng, Qiaoying Lv, Bingying Xie, Bingyi Yang, Weiwei Shan, Chengcheng Ning, Bing Li, Liying Xie, Chao Gu, Xuezhen Luo, Xiaojun Chen, Qin Zhu
Unopposed estrogen stimulation and insulin resistance are known to play important roles in endometrial cancer (EC), but the interaction between these two factors and how they contribute to endometrial lesions are not completely elucidated. To investigate the endometrial transcriptome profile and the associated molecular pathway alterations, we established an ovariectomized C57BL/6 mouse model treated with subcutaneous implantation of 17-β estradiol (E2) pellet and/or high-fat diet (HFD) for 12 weeks to mimic sustained estrogen stimulation and insulin resistance...
November 13, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/29121428/efficacy-of-medroxyprogesterone-acetate-treatment-and-retreatment-for-atypical-endometrial-hyperplasia-and-endometrial-cancer
#6
Satoshi Tamauchi, Hiroaki Kajiyama, Fumi Utsumi, Shiro Suzuki, Kaoru Niimi, Jun Sakata, Mika Mizuno, Kiyosumi Shibata, Fumitaka Kikkawa
AIM: Medroxyprogesterone acetate (MPA) is used to preserve fertility in patients with Grade 1 endometrial cancer without myometrial invasion (G1EA) and those with atypical endometrial hyperplasia (AEH). However, the efficacy of retreatment with MPA has not been sufficiently established for patients who experience recurrence but wish to retain their fertility. This study aimed to show the effectiveness of MPA treatment and retreatment for AEH and G1EA. METHODS: A total of 39 patients received MPA treatment between 2005 and 2015, including nine with G1EA and 30 with AEH...
November 9, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29121416/pregnant-outcomes-of-atypical-polypoid-adenomyoma-treated-with-progestin-therapy
#7
Qin Chen, Weiguo Lu, Bingjian Lu
AIM: We aimed to investigate the long-term clinical and pregnancy outcome in patients with atypical polypoid adenomyoma (APA) after hysteroscopic excision. METHODS: We analyzed the clinicopathological features, including pregnancy outcomes, in 10 APA patients who had been treated with hysteroscopic excision of the lesion and progesterone therapy. RESULTS: The patients were all nulliparous, and nine had been clinically diagnosed as infertile...
November 9, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29119739/fertility-outcomes-in-infertile-women-with-complex-hyperplasia-or-complex-atypical-hyperplasia-who-received-progestin-therapy-and-in-vitro-fertilization
#8
Miao Li, Jia-Lun Song, Ying Zhao, She-Ling Wu, Hong-Bin Liu, Rong Tang, Lei Yan
This study aimed to evaluate fertility and oncologic outcomes in women with complex hyperplasia (CH) or complex atypical hyperplasia (CAH) who received fertility-sparing therapy and in vitro fertilization (IVF). Endometrial carcinoma is the most common carcinoma of the female genital tract, and is associated with endometrial hyperplasia (EH) resulting from long-term unopposed estrogenic stimulation of the endometrium. EH is characterized by non-physiological proliferation of endometrium that results in glands with irregular shapes and varying sizes...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/29112933/hyperinsulinemia-induced-pax6-expression-promotes-endometrial-epithelial-cell-proliferation-via-negatively-modulating-p27-signaling
#9
Xue-Rong Zheng, Xia Pan, Jin Zhang, Xin Cao
Polycystic ovarian syndrome (PCOS) is thought to involve hyperinsulinism (insulin resistance, IR) and high prevalence of endometrial epithelial hyperplasia, but how these two pathologies are synergistically regulated in endometrial epithelial cells remains largely unknown. Here, we report a key role for the transcription factor PAX6 in the modulation of PCOS-induced endometrial epithelial proliferation. PAX6 was significantly induced in the endometrial tissues from PCOS patients, and this induction, regulated upstream by high levels of insulin, was closely correlated to the pathogenesis of IR in endometrial epithelial cells...
November 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29111313/prevalence-and-confounders-of-chronic-endometritis-in-premenopausal-women-with-abnormal-bleeding-or-reproductive-failure
#10
Dongmei Song, Xiangdong Feng, Qian Zhang, Enlan Xia, Yu Xiao, Wei Xie, Tin Chiu Li
In this retrospective cohort study, a consecutive series of 1551 premenopausal women underwent hysteroscopy and endometrial biopsy. Chronic endometritis was diagnosed when plasma cell in endometrial tissue was detected by immunohistochemistry using CD138 epitope. The overall prevalence of chronic endometritis in the population studied was 24.4% The prevalence was significantly increased in the following conditions: recurrent implantation failure (40.8%; P < 0.001), abnormal uterine bleeding (40.7 %; P < 0...
October 6, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29096882/asparaginase-like-protein-1-is-an-independent-prognostic-marker-in-primary-endometrial-cancer-and-is-frequently-lost-in-metastatic-lesions
#11
Tina Fonnes, Hege F Berg, Therese Bredholt, Per-Henrik D Edqvist, Kristina Sortland, Anna Berg, Helga B Salvesen, Lars A Akslen, Henrica M J Werner, Jone Trovik, Ingvild L Tangen, Camilla Krakstad
OBJECTIVE: Loss of Asparaginase-like protein 1 (ASRGL1) has been suggested as a prognostic biomarker in endometrial carcinoma. Our objective was to validate this in a prospectively collected, independent patient cohort, and evaluate ASRGL1 expression in endometrial carcinoma precursor lesion and metastases. METHODS: 782 primary endometrial carcinomas, 90 precursor lesions (complex atypical hyperplasia), and 179 metastases (from 87 patients) were evaluated for ASRGL1 expression by immunohistochemistry in relation to clinical and histopathological data...
October 30, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29077194/metformin-for-endometrial-hyperplasia
#12
REVIEW
Naomi S Clement, Thomas Rw Oliver, Hunain Shiwani, Juliane Rf Sanner, Caroline A Mulvaney, William Atiomo
BACKGROUND: Endometrial cancer is one of the most common gynaecological cancers in the world. Rates of endometrial cancer are rising, in part because of rising obesity rates. Endometrial hyperplasia is a precancerous condition in women that can lead to endometrial cancer if left untreated. Endometrial hyperplasia occurs more commonly than endometrial cancer. Progesterone tablets currently used to treat women with endometrial hyperplasia are associated with adverse effects in up to 84% of women...
October 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29072228/an-audit-of-endometrial-hyperplasias-at-the-lagos-university-teaching-hospital
#13
O O Dawodu, N Z Ikeri, A A Banjo
INTRODUCTION: There has been much controversy and confusion surrounding the endometrial hyperplasias stemming from the use of a wide variety of terminologies and also from the pathophysiologic mechanisms underlying the various entities. The current classification by the World Health Organization (WHO) published in 2014 clarifies these issues. OBJECTIVE: The aim of this study, therefore, was to audit and standardize cases of endometrial hyperplasia diagnosed in our institution from 2007 to 2011...
September 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29066530/regulation-of-porcupine-dependent-wnt-signaling-is-essential-for-uterine-development-and-fertility
#14
Omar Farah, Steffen Biechele, Janet Rossant, Daniel Dufort
Six members of the Wnt family are expressed in the female reproductive tract. Their collective function ensures proper development of the uterus, preparing it for pregnancy during adulthood. Here we take advantage of the fact that Porcn, a prerequisite for all Wnt secretion, is located on the X chromosome to generate females that were mosaic for Porcn throughout the reproductive tract. Porcnflox/x females were mated with progesterone receptor (Pgr)-Cre males (PgrCre/+) to generate females that were heterozygous for Porcupine in all tissues of the female reproductive tract, which resulted in mosaicism due to random X-inactivation...
October 24, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29051309/clinical-prevalence-and-associated-intraoperative-surgical-complications-of-reproductive-tract-lesions-in-pot-bellied-pigs-undergoing-ovariohysterectomy-298-cases-2006-2016
#15
Elizabeth Cypher, Ricardo Videla, Rebecca Pierce, Robert T Snowden, Jennifer Ann Sexton, Sarel van Amstel
To address the current dearth of clinically relevant publications regarding ovariohysterectomy (OVH) in the domestic pot-bellied pig (PBP), the present study aims to report prevalence of uterine lesions, intraoperative complications, and short and long-term survival in this species (n=298). Prevalence of lesions included uterine neoplasia 11.4 per cent (34/298), pyometra 1.6 per cent (5/298) and cystic endometrial hyperplasia 5 per cent (15/298). Pigs at least six years of age were statistically more likely to have a uterine lesion (less than P=0...
October 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28986185/fertility-sparing-management-using-progestin-for-young-women-with-endometrial-cancer-from-a-population-based-study
#16
Soyoun Rachel Kim, Carlijn van der Zanden, Habibe Ikiz, Boris Kuzelijevic, Jon Havelock, Janice S Kwon
OBJECTIVE: For young women with complex atypical endometrial hyperplasia (CAH) and endometrial cancer (EC) who choose to preserve fertility, progestin therapy is the mainstay of treatment. The objective of this study was to evaluate oncologic and reproductive outcomes associated with progestin therapy among these women from a population-based cancer registry. METHODS: This was a retrospective population-based cohort study of women under age 45 in British Columbia from 2003 to 2015 with CAH or grade I endometrioid EC who used progestins as initial management...
October 3, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28984400/mutation-analysis-by-whole-exome-sequencing-of-endometrial-hyperplasia-and-carcinoma-in-one-patient-abnormalities-of-polymerase-epsilon-and-the-phosphatidylinositol-3-kinase-pathway
#17
Tsutomu Miyamoto, Hirofumi Ando, Ryoichi Asaka, Yasushi Yamada, Tanri Shiozawa
In order to understand the role of gene mutations in endometrial carcinogenesis, whole exome sequencing via laser microdissection was performed in the normal endometrium, atypical endometrial hyperplasia and endometrial carcinoma in the same patient. A total of 4046 and 5746 mutations with amino acid substitution were detected in endometrial hyperplasia and endometrial carcinoma, respectively; 2252 were common in both tissues and might play crucial roles in early carcinogenesis. These common mutations included polymerase epsilon (POLE) and DNA mismatch repair (MMR) genes, indicating that an ultra-mutated phenotype, and also included PTEN and PIK3CA...
October 6, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28980163/mri-for-adenomyosis-a-pictorial-review
#18
REVIEW
Lisa Agostinho, Rita Cruz, Filipa Osório, João Alves, António Setúbal, Adalgisa Guerra
Adenomyosis is defined as the presence of ectopic endometrial glands and stroma within the myometrium. It is a disease of the inner myometrium and results from infiltration of the basal endometrium into the underlying myometrium. Transvaginal ultrasonography (TVUS) and magnetic resonance imaging (MRI) are the main radiologic tools for this condition. A thickness of the junctional zone of at least 12 mm is the most frequent MRI criterion in establishing the presence of adenomyosis. Adenomyosis can appear as a diffuse or focal form...
October 4, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28978135/preoperative-imaging-markers-and-pdz-binding-kinase-tissue-expression-predict-low-risk-disease-in-endometrial-hyperplasias-and-low-grade-cancers
#19
Anna Berg, Ankush Gulati, Sigmund Ytre-Hauge, Kristine E Fasmer, Karen K Mauland, Erling A Hoivik, Jenny A Husby, Ingvild L Tangen, Jone Trovik, Mari K Halle, Ingunn Stefansson, Lars A Akslen, Kathrine Woie, Line Bjørge, Helga B Salvesen, Øyvind O Salvesen, Henrica M J Werner, Ingfrid S Haldorsen, Camilla Krakstad
PURPOSE: Distinguishing complex atypical hyperplasia (CAH) from grade 1 endometrioid endometrial cancer (EECG1) preoperatively may be valuable in order to prevent surgical overtreatment, particularly in patients wishing preserved fertility or in patients carrying increased risk of perioperative complications. MATERIAL AND METHODS: Preoperative histological diagnosis and radiological findings were compared to final histological diagnosis in patients diagnosed with CAH and EECG1...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28972492/age-related-specificities-of-endometrial-proliferation-stem-cell-index-distribution
#20
N Kikalishvili, R Beriashvili, T Muzashvili, G Burkadze
Endometrial stem cells take the special place among somatic stem cells of female reproductive system, since their essence and nature still remains unclear - cellular complexity of endometrium, its hormone-dependence and cycling remodeling makes the study of endometrial stem cells exclusively complicated. Consequently, the detection of endometrial stem cells and identification of their location in the complex cellular hierarchy still remains challenging. The aim of our study was to explore the age-related specificities of endometrial proliferative / stem cell index distribution under normal and hyperplasia conditions...
September 2017: Georgian Medical News
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