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female reproductive system malignant tumors

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https://www.readbyqxmd.com/read/27760566/miip-remodels-rac1-mediated-cytoskeleton-structure-in-suppression-of-endometrial-cancer-metastasis
#1
Yingmei Wang, Limei Hu, Ping Ji, Fei Teng, Wenyan Tian, Yuexin Liu, David Cogdell, Jinsong Liu, Anil K Sood, Russell Broaddus, Fengxia Xue, Wei Zhang
BACKGROUND: Endometrial carcinoma (EC) is one of the most common malignancies of the female reproductive system. Migration and invasion inhibitory protein (MIIP) gene was recently discovered candidate tumor suppress gene which located at chromosome 1p36.22. 1p36 deletion was found in many types of tumor including EC. In the present study, we will determine the role and mechanism of MIIP in EC metastasis. METHODS: Immunohistochemistry was used to measure MIIP expression in normal and EC tissue...
October 19, 2016: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/27734523/serum-endocan-levels-in-endometrial-and-ovarian-cancers
#2
Esra Laloglu, Yakup Kumtepe, Hulya Aksoy, Emsal Pınar Topdagi Yilmaz
BACKGROUND: Ovarian and endometrial carcinomas are the two most common malignancies of the female reproductive system. Endocan is a proteoglycan that is specific to vascular endothelial cells. Increased serum levels have been reported in some tumors. The aim of this study was to investigate serum endocan levels in cases of endometrial and ovarian cancer. METHODS: Levels of serum endocan were assessed in 27 patients with endometrial cancer and 20 with ovarian cancer, and in 38 control subjects with benign ovarian or endometrial disorders...
October 13, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27629537/the-significance-of-the-change-pattern-of-serum-ca125-level-for-judging-prognosis-and-diagnosing-recurrences-of-epithelial-ovarian-cancer
#3
Zhi-Jun Yang, Bing-Bing Zhao, Li Li
BACKGROUND: Ovarian cancer has the highest mortality rate of the three main malignant tumors of the female reproductive system, with a 5-year overall survival (OS) of only 20-30 %. Approximately 70 % of patients relapse without being cured. To explore the significance of serum CA125 level pre-treatment and the change pattern of CA125 post-treatment for judging prognosis and diagnosing recurrences of epithelial ovarian cancer (EOC). METHODS: A radioimmunoassay was used to continuously monitor levels of serum CA125 in 152 patients with EOC...
2016: Journal of Ovarian Research
https://www.readbyqxmd.com/read/27569070/the-role-of-magnetic-resonance-imaging-in-the-evaluation-of-endometrial-carcinoma
#4
Aleksandra Aracki-Trenkic, Dragan Stojanov, Aleksandra Petric, Daniela Benedeto-Stojanov, Milan Trenkic, Jelena Ignjatovic
Gynecological cancers comprise about 19% of all cancers in women whereas the endometrial cancer is the most common malignant tumor of the female reproductive organs. The application of modern imaging tools plays an important role in the preoperative assessment of disease extent and allows the selection of a proper and adequate therapeutic approach for each patient. The purpose of this review was to show the role of magnetic resonance imaging (MRI) in the evaluation of endometrial carcinoma. MRI enables the display of zonal anatomy of the uterus, detection of the anomalies as well as the detection and characterization of pathological processess...
May 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/27514165/-adhering-to-medical-standarts-evidence-based-staging-in-gynecological-cancer
#5
G Chakalova
Among the key factors that influence the survival of patients is adherence to medical treatment standards. Indicators are assessing the degree of adherence to medical standards and represent the relative shares (%) of patients who fulfilled the relevant aspect of any subject. Data from the BNCR of 9842 cases of patients with malignant diseases of the female reproductive diagnosed in 2011-2013 in Bulgaria has been analyzed. Patients with tumors of the vulva were incorrectly staged in 15% to 30% of the cases, and those with vaginal tumors were incorrectly staged in 20% to 23% of cases...
2016: Akusherstvo i Ginekologii︠a︡
https://www.readbyqxmd.com/read/27446471/a-novel-truncated-form-of-hmga2-in-tumors-of-the-ovaries
#6
Antonio Agostini, Ioannis Panagopoulos, Ben Davidson, Claes Goran Trope, Sverre Heim, Francesca Micci
Neoplasms of the ovary are the second most common tumor of the female reproductive system, and the most lethal of the gynecological malignancies. Ovarian tumors are divided into a copious number of different groups reflecting their different features. The present study analyzed 187 ovarian tumors (39 sex-cord stromal tumors, 22 borderline tumors and 126 carcinomas) for the expression of the high-mobility group AT-hook 2 (HMGA2) gene, for mutations in the isocitrate dehydrogenase (NADP(+)) 1, cytosolic (IDH1), isocitrate dehydrogenase (NADP(+)) 2, mitochondrial (IDH2) and telomerase reverse transcriptase (TERT) genes, and for methylation of the O(6)-methylguanine-DNA methyltransferase (MGMT) promoter...
August 2016: Oncology Letters
https://www.readbyqxmd.com/read/27347403/the-diagnostic-value-of-serum-he4-and-ca-125-and-roma-index-in-ovarian-cancer
#7
S U Wei, Hui Li, Bei Zhang
Ovarian cancer is a common malignancy of the female reproductive system. Tumor markers serve as tools in the diagnosis of the disease. The aim of the present study was to determine the diagnostic value of sera levels of carbohydrate antigen-125 (CA-125), human epididymis protein 4 (HE4) as well as the area under the curve of the receiver operating characteristic (ROC) and the risk of ovarian malignancy algorithm (ROMA) index in ovarian cancer. The sera were measured using an electrochemiluminescence immunoassay on 158 individuals (64 patients with ovarian cancer, 64 with ovarian benign tumor and 30 healthy individuals) between September 2013 and May 2015...
July 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27302321/expression-of-gab1-is-associated-with-poor-prognosis-of-patients-with-epithelial-ovarian-cancer
#8
Lingling Hu, Ruilei Liu
Growth factor receptor-bound protein-2 (Grb2) can act as the scaffold protein recruiting other molecules to the stimulated receptors. Grb2-associated binding protein 1 (Gab1) is involved in cell proliferation, and its expression may enhance the carcinogenesis and cancer progression. However, the function of Gab1 remains to be investigated. Epithelial ovarian cancer (EOC) is the most lethal malignancy in the female reproductive system with increasing incidence and unsatisfied overall survival (OS). We investigated the expression of Gab1 in EOC tissues and the correlations between Gab1 expression and the clinicopathological characteristics of patients with EOC using Spearman rank test...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27143932/vitamin-d-postpones-the-progression-of-epithelial-ovarian-cancer-induced-by-7-12-dimethylbenz-a-anthracene-both-in-vitro-and-in-vivo
#9
Lizhi Liu, Zhiyong Hu, Hemei Zhang, Yongfeng Hou, Zengli Zhang, Guangming Zhou, Bingyan Li
PURPOSE: Ovarian cancer is the most lethal malignancy of the female reproductive system, and the prevention and treatment of ovarian carcinoma are still far from optimal. Epidemiological studies reported that ovarian cancer risk was inversely associated with low level of 25-hydroxy vitamin D [25(OH)]. Therefore, this study focuses on exploring the chemoprevention of vitamin D on epithelial ovarian cancer induced by 7, 12-dimethylbenz [a] anthracene (DMBA). METHODS: The mouse ovarian surface epithelial cells were isolated from estrus mice by mild trypsinization and maintained in completed culture medium by repeated passaging...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/26715597/gnrh-and-gnrh-receptors-in-the-pathophysiology-of-the-human-female-reproductive-system
#10
REVIEW
Roberto Maggi, Anna Maria Cariboni, Marina Montagnani Marelli, Roberta Manuela Moretti, Valentina Andrè, Monica Marzagalli, Patrizia Limonta
BACKGROUND: Human reproduction depends on an intact hypothalamic-pituitary-gonadal (HPG) axis. Hypothalamic gonadotrophin-releasing hormone (GnRH) has been recognized, since its identification in 1971, as the central regulator of the production and release of the pituitary gonadotrophins that, in turn, regulate the gonadal functions and the production of sex steroids. The characteristic peculiar development, distribution and episodic activity of GnRH-producing neurons have solicited an interdisciplinary interest on the etiopathogenesis of several reproductive diseases...
April 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/26678890/inhibition-of-cxcr4-and-cxcr7-for-reduction-of-cell-proliferation-and-invasion-in-human-endometrial-cancer
#11
Ping Long, Fengyi Sun, Yingying Ma, Yu Huang
As one of the most common malignant cancers in female reproductive tract, endometrial cancer accounts for 20-30 % of the most frequent gynecological malignancy, which is originated from endometrial epithelial. The molecular mechanisms for the generation of endometrial cancer are up to now unclear, hindering the development of corresponding therapy. CXCR4 and CXCR7 were receptors of CXCL12 chemokine ligand, which could regulate critical procedures of neoplastic transformation, including proliferation, invasion, and apoptosis of the cells...
June 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/26500887/plastic-and-reconstructive-surgery-in-the-treatment-of-oncological-perineal-and-genital-defects
#12
REVIEW
Rebekka Brodbeck, Raymund E Horch, Andreas Arkudas, Justus P Beier
Defects of the perineum may result from ablative procedures of different malignancies. The evolution of more radical excisional surgery techniques resulted in an increase in large defects of the perineum. The perineogenital region per se has many different functions for urination, bowel evacuation, sexuality, and reproduction. Up-to-date individual and interdisciplinary surgical treatment concepts are necessary to provide optimum oncological as well as quality of life outcome. Not only the reconstructive method but also the timing of the reconstruction is crucial...
2015: Frontiers in Oncology
https://www.readbyqxmd.com/read/26443474/virus-resembling-nano-structures-for-near-infrared-fluorescence-imaging-of-ovarian-cancer-her2-receptors
#13
Yadir A Guerrero, Baharak Bahmani, Sheela P Singh, Valentine I Vullev, Vikas Kundra, Bahman Anvari
Ovarian cancer remains the dominant cause of death due to malignancies of the female reproductive system. The capability to identify and remove all tumors during intraoperative procedures may ultimately reduce cancer recurrence, and lead to increased patient survival. The objective of this study is to investigate the effectiveness of an optical nano-structured system for targeted near infrared (NIR) imaging of ovarian cancer cells that over-express the human epidermal growth factor receptor 2 (HER2), an important biomarker associated with ovarian cancer...
October 30, 2015: Nanotechnology
https://www.readbyqxmd.com/read/26437224/serine-protease-inhibitor-kazal-type-1-spink1-drives-proliferation-and-anoikis-resistance-in-a-subset-of-ovarian-cancers
#14
Christine Mehner, Ann L Oberg, Kimberly R Kalli, Aziza Nassar, Alexandra Hockla, Devon Pendlebury, Magdalena A Cichon, Krista M Goergen, Matthew J Maurer, Ellen L Goode, Gary L Keeney, Aminah Jatoi, Miklós Sahin-Tóth, John A Copland, Derek C Radisky, Evette S Radisky
Ovarian cancer represents the most lethal tumor type among malignancies of the female reproductive system. Overall survival rates remain low. In this study, we identify the serine protease inhibitor Kazal type 1 (SPINK1) as a potential therapeutic target for a subset of ovarian cancers. We show that SPINK1 drives ovarian cancer cell proliferation through activation of epidermal growth factor receptor (EGFR) signaling, and that SPINK1 promotes resistance to anoikis through a distinct mechanism involving protease inhibition...
November 3, 2015: Oncotarget
https://www.readbyqxmd.com/read/26242151/-laparoscopic-nerve-sparing-radical-hysterectomy-in-cervical-cancer
#15
COMPARATIVE STUDY
I V Berlev, E A Ulrikh, E N Korolkova, Z N Ibragimov, N O Kashina, G I Mikhailyuk, A V Khadzhimba, A F Urmancheeva
Cervical cancer is the most common cancer of the female reproductive system up to 20% of malignant tumors of the female genital organs. Surgery is the main method in treatment for local cervical cancer but postoperative complications often are associated with dysfunction of the pelvic organs. Some researchers focus their attention on the preservation of the pelvic innervation without loss of surgery's radicalism, which is represented in this survey. The paper presents the results of comparative analysis of 54 cases of surgical treatment for invasive cervical cancer...
2015: Voprosy Onkologii
https://www.readbyqxmd.com/read/26137777/-malignant-lymphomas-of-the-vulva-diagnosis-and-therapy
#16
REVIEW
Aa Chokoeva, G Tchernev
Primary malignant lymphomas affecting the female reproductive system are unusual, accounting for about 30% of all lymphomas. The majority of them are represented by non-Hodgkin lymphomas (over 90%), as their location most commonly involved the ovarian (49%), followed by the uterus (29%), fallopian tubes (11%), vagina (7%), and only in 4% of the cases, the primary lymphomas affecting the vulva. Although rare, lymphomas of the vulva are characterized by high proliferative potential, aggressive clinical course and poor prognosis and may lead to rapid vulvar and perineal destruction...
2015: Akusherstvo i Ginekologii︠a︡
https://www.readbyqxmd.com/read/25930015/vulvar-cancer-a-review-for-dermatologists
#17
REVIEW
Anastasiya Atanasova Chokoeva, Georgi Tchernev, Elena Castelli, Elisabetta Orlando, Shyam B Verma, Markus Grebe, Uwe Wollina
Vulvar malignancies are important tumors of the female reproductive system. They represent a serious health issue with an incidence between 2 and 7 per 100,000 and year. We provide a review about most important cancer entities, i.e., melanoma, squamous cell carcinoma, basal cell carcinoma, neuroendocrine cancer, and skin adnexal malignancies.Squamous cell carcinoma is the most common vulvar malignancy that can develop from vulvar intraepithelial neoplasia or de novo. Basal cell carcinoma represents only 2% of all vulvar cancers...
April 2015: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/25909132/-malignant-vascular-tumors-of-the-vulva
#18
A Chokoeva, G Tchernev
Due to the increased vascularity as well as the unique anatomical structure, vascular lesions, which occur in the female reproductive system are common observed and diverse by their morphology. The majority of them are benign, including vascular malformations, lesions due to vascular hyperplasia, tumors with significant vascular component and others. Malignant vascular tumors are rare in the area of the vulva accounting about 1% of all vulvar lesions with vascular origin. Kaposi sarcoma, epithelioid hemangioepithelioma and epithelioid angiosarcoma have been reported with vulvar localization...
2015: Akusherstvo i Ginekologii︠a︡
https://www.readbyqxmd.com/read/25823331/-genetical-aspects-of-surgical-treatment-in-patients-with-hereditary-breast-cancer
#19
E M Bit-Sava
Numerous available results of investigations confirmed the important role of prophylactic bilateral laparoscopic salpingo-oophorectomy and contralateral prophylactic subcutaneous mastectomy in decrease of risks of malignant tumors of the reproductive system when mutation carriers of BRCA1 and BRCA2 presented. Recommendations to surgical treatment of hereditary breast cancer are considered as a very difficult task which should be based on risks and advantages of prophylactic surgical interventions. Presented surgical operations could be applied in mutation carriers of reparation DNA genes and patients with hereditary breast cancer aimed to improve the indices of general survival rate and quality of life...
2014: Vestnik Khirurgii Imeni I. I. Grekova
https://www.readbyqxmd.com/read/25816671/-spontaneous-tumors-in-the-campbell-hamster-a-possible-new-model-of-experimental-oncology
#20
V N Manskikh, O S Gancharova, O N Shekarova, K A Rogovin
The spectrum of spontaneous tumors in the Campbell hamsters has not been described yet. 152 Campbell hamsters (110 females and 42 males), spontaneously died by ordinary death, underwent the necropsy and the histopathological examination. Tumors were found in 50% of males and in 48% of females dead after the achievement of the first tumor development age (430 and 260 days respectively). The main type of tumors in Campbell hamsters was thymoma of B1 type which is known in human, but unusual in laboratory animals...
2014: Voprosy Onkologii
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