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Female reproductive system cancers

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https://www.readbyqxmd.com/read/28620119/tripartite-motif-containing-25-promotes-proliferation-and-invasion-of-colorectal-cancer-cells-through-tgf-%C3%AE-signaling
#1
Nianfeng Sun, Yu Xue, Ting Dai, Xiding Li, Nanxiang Zheng
Tripartite Motif Containing 25 (TRIM25) is a member of TRIM proteins and functions as an E3 ubiquitin ligase. It has been found to act as an oncogene in gastric cancer cells and abnormally expressed in cancers of female reproductive system. Here we investigated the function of TRIM25 in colorectal cancer. TRIM25 was found to be significantly up-regulated in colorectal cancer tissues and cancer cell lines through Real-time polymerase chain reaction assay. Colorectal cancer cells over-expressing TRIM25 exhibited a 2-fold higher proliferation and migration rate compared to their parental lines in vitro Moreover, TRIM25 also promoted tumor progression in vivo Further study indicated that TRIM25 worked through positively regulating transforming growth factor beta (TGF-β) signaling pathway to regulate the proliferation and invasion of colorectal cancer cells...
June 15, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28607242/factors-enabling-women-with-pelvic-organ-prolapse-to-seek-surgery-at-mobile-surgical-camps-in-two-remote-districts-in-nepal-a-qualitative-study
#2
Mala Chalise, Malinda Steenkamp, Binaya Chalise
BACKGROUND: Pelvic organ prolapse (POP) is a major reproductive health problem in Nepal, though many women delay seeking treatment. To address this, the Nepalese government has been providing free vaginal hysterectomies with pelvic floor repair to women in mobile surgical camps. Studies exploring factors that enable women to attend these camp settings are limited. This study aimed to identify factors that affected women seeking surgical treatment for POP at mobile surgical camps. METHODS: The study used a qualitative approach...
September 2016: WHO South-East Asia Journal of Public Health
https://www.readbyqxmd.com/read/28602118/effects-of-endocrine-disrupting-chemicals-and-epigenetic-modifications-in-ovarian-cancer-a-review
#3
Ratika Samtani, Noopur Sharma, Deepali Garg
Ovarian cancer (OC) is a relatively fatal female reproductive malignancy. Since the underlying causes are uncertain, it brings us to believe that both genetic and external factors contribute toward development of this lethal disorder. Exposure to endocrine-disrupting chemicals (EDCs) in the form of occupational usage of pesticides, fungicides, herbicides, plasticizers, cosmetics, and so on is potentially carcinogenic and their ability to cause epigenetic modifications has led us to hypothesize that they may play a catalytic role in OC progression...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28576861/pharmacological-inhibition-of-the-dna-damage-checkpoint-prevents-radiation-induced-oocyte-death
#4
Vera D Rinaldi, Kristin Hsieh, Robert Munroe, Ewelina M Bolcun-Filas, John C Schimenti
Ovarian function is directly correlated with survival of the primordial follicle reserve. Women diagnosed with cancer have a primary imperative of treating the cancer, but since the resting oocytes are hypersensitive to the DNA-damaging modalities of certain chemo- and radiotherapeutic regimens, such patients face the collateral outcome of premature loss of fertility and ovarian endocrine function. Current options for fertility preservation primarily include collection and cryopreservation of oocytes or in vitro fertilized oocytes, but this necessitates a delay in cancer treatment and additional assisted reproductive technology (ART) procedures...
June 2, 2017: Genetics
https://www.readbyqxmd.com/read/28574782/rna-based-ovarian-cancer-research-from-a-gene-to-systems-biomedicine-perspective
#5
Esra Gov, Medi Kori, Kazim Yalcin Arga
Ovarian cancer remains the leading cause of death from a gynecologic malignancy, and treatment of this disease is harder than any other type of female reproductive cancer. Improvements in the diagnosis and development of novel and effective treatment strategies for complex pathophysiologies, such as ovarian cancer, require a better understanding of disease emergence and mechanisms of progression through systems medicine approaches. RNA-level analyses generate new information that can help in understanding the mechanisms behind disease pathogenesis, to identify new biomarkers and therapeutic targets and in new drug discovery...
August 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28560483/conditional-loss-of-hepatocellular-hedgehog-signaling-in-female-mice-leads-to-the-persistence-of-hepatic-steroidogenesis-androgenization-and-infertility
#6
Christiane Rennert, Franziska Eplinius, Ute Hofmann, Janina Johänning, Franziska Rolfs, Wolfgang Schmidt-Heck, Reinhardt Guthke, Rolf Gebhardt, Albert M Ricken, Madlen Matz-Soja
The Hedgehog signaling pathway is known to be involved in embryogenesis, tissue remodeling, and carcinogenesis. Because of its involvement in carcinogenesis, it seems an interesting target for cancer therapy. Indeed, Sonidegib, an approved inhibitor of the Hedgehog receptor Smoothened (Smo), is highly active against diverse carcinomas, but its use is also reported to be associated with several systemic side effects. Our former work in adult mice demonstrated hepatic Hedgehog signaling to play a key role in the insulin-like growth factor axis and lipid metabolism...
May 30, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28550682/long-noncoding-rna-anril-promotes-cervical-cancer-development-by-acting-as-a-sponge-of-mir-186
#7
Jun-Jun Zhang, Dan-Dan Wang, Chen-Xiang Du, Yan Wang
Cervical cancer is a common malignancy of female reproductive system. Long non-coding RNA (lncRNA) has been reported tomodulate tumor progression in multiple cancers. The lncRNA antisense non-coding RNA in the INK4 locus (ANRIL) has been testified as oncogenic molecular in series tumors, however, the function and underlying mechanism involved in cervical cancer oncogenesis is still unclear. In present study, RT-PCR showed that ANRIL expression was significantly up-regulated in cervical cancer tumors and cell lines...
May 22, 2017: Oncology Research
https://www.readbyqxmd.com/read/28545201/treatment-experiences-of-women-with-reproductive-cancers-in-odisha-india-a-qualitative-exploration-of-enablers-and-barriers
#8
Sanghamitra Pati, Abhimanyu Singh Chauhan, Sandeep Mahapatra, Sabita Nayak, Sukdev Nayak, David Weller
Introduction: Cancer continues to be a major menace to our Indian society notwithstanding significant progress in diagnosis and treatment. In India cancer mortality rates in women are high compared to other countries, despite efforts to improve survival through the development of effective detection techniques and increased numbers of viable treatment options. Indian women’s advanced stage of disease at diagnosis is largely attributable to delay in seeking treatment. The present qualitative inquiry was conducted with the aim of capturing the treatment experiences of patients with gynecology cancer at a tertiary care hospital and understanding the barriers, enablers, stress and apprehension they experience during the treatment phases...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28540896/postrenal-transplant-malignancy-incidence-risk-factors-and-prognosis
#9
Nabil Abdelfadil Elserwy, Esam Elden Lotfy, Mohamad Ashraf Fouda, Medhat Ibrahim Mahmoud, Ahmed Farouk Donia, Mohamed Elsayed Mashaly, Mohamed Hamed Abbas, Mohamed Megahed Abuelmagd, Rasha Kamal Abouelenein, Mabrouk Ibrahim Ismail, Mohamed Adel Bakr
The newer and potent immunosuppressive agents have successfully reduced the risk of rejection after kidney transplantation, but the development of cardiovascular diseases, infections, and malignancy is major factors limiting their success. Posttransplantation malignancy is the second most common cause of death in renal transplant recipients after cardiovascular disease; it is expected that mortality due to malignancy may become the most common cause of death within the next two decades. This study is designed to evaluate the incidence, risk factors, and types of malignancies occurring after renal transplantation and their impact on patient and graft survival...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28527569/estrogen-hormone-biology
#10
Katherine J Hamilton, Sylvia C Hewitt, Yukitomo Arao, Kenneth S Korach
The hormone estrogen is involved in both female and male reproduction, as well as numerous other biological systems including the neuroendocrine, vascular, skeletal, and immune systems. Therefore, it is also implicated in many different diseases and conditions such as infertility, obesity, osteoporosis, endometriosis, and a variety of cancers. Estrogen works through its two distinct nuclear receptors, estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ). Various transcriptional regulation mechanisms have been identified as the mode of action for estrogen, mainly the classical mechanism with direct DNA binding but also a nongenomic mode of action and one using tethered or indirect binding...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28506269/the-emerging-roles-and-therapeutic-potential-of-exosomes-in-epithelial-ovarian-cancer
#11
REVIEW
Xiaoduan Li, Xipeng Wang
Ovarian cancer (OC) is one of the three types of malignant tumors in the female reproductive system, and epithelial ovarian cancer (EOC) is its most typical form. Due to the asymptomatic nature of the early stages and resistance to chemotherapy, EOC has both a poor prognosis and a high fatality rate. Current treatments for OC are very limited, and the 5-years survival rate is approximately 30%. Exosomes, which are microvesicles ranging from approximately 30-100 nm in size that are secreted by living cells, can be produced from different cell types and detected in various body fluids...
May 15, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28442921/mir-762-can-negatively-regulate-menin-in-ovarian-cancer
#12
Rui Hou, Zhuo Yang, ShiZhuo Wang, DaMing Chu, Qifang Liu, Jia Liu, Luo Jiang
Ovarian cancer accounts for the major part of the mortality attributable to female reproductive system malignant tumors worldwide. Recently, the incidence of ovarian cancer has been increasing annually, and there remains a lack of suitable treatment methods that can significantly improve the 5-year survival rates of patients. Therefore, it is necessary to identify more effective treatments for ovarian cancer. It is established that microRNAs (miRNAs) have important roles in the diagnosis and treatment of ovarian cancer and a specific miRNA, miR-762, can promote the development of a variety of tumors...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28441888/doxorubicin-induced-female-reproductive-toxicity-an-assessment-of-ovarian-follicular-apoptosis-cyclicity-and-reproductive-tissue-histology-in-wistar-rats
#13
Kumari Nishi, Vinoth Prasanna Gunasekaran, Jaganath Arunachalam, Mathan Ganeshan
Doxorubicin is a widely used chemotherapeutic agent for various cancers, particularly for the female breast cancer patients. Although the rate of young female cancer patients is increasing every year, conversely the lack of knowledge of adverse effects of doxorubicin on female reproductive system insisted us to assess the toxic effects of doxorubicin on the female reproductive tissue histoarchitecture, cyclicity, and mammary glands in Wistar rats. The rats were divided into two groups depending on the treatment period, i...
April 25, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28423240/biochemical-cellular-physiological-and-pathological-consequences-of-human-loss-of-n-glycolylneuraminic-acid
#14
Jonathan Okerblom, Ajit Varki
About 2-3 million years ago, Alu-mediated deletion of a critical exon in the CMAH gene became fixed in the hominin lineage ancestral to humans, possibly through a stepwise process of selection by pathogen targeting of the CMAH product (the sialic acid Neu5Gc), followed by reproductive isolation via female anti-Neu5Gc antibodies. Loss of CMAH has occurred independently in some other lineages, but is functionally intact in Old World primates, including our closest relatives, the chimpanzees. While the biophysical and biochemical ramifications of losing tens of millions of Neu5Gc hydroxyl groups at most cell surfaces remains poorly understood, there are multi-scale effects functionally relevant to both sides of the host-pathogen interface...
April 19, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28415705/meta-analysis-of-xrcc1-polymorphism-and-risk-of-female-reproductive-system-cancer
#15
Na-Na Yang, Ying-Fan Huang, Jian Sun, Ying Chen, Zhong-Min Tang, Jin-Fang Jiang
Numerous epidemiological studies have evaluated the association between polymorphism in the gene encoding x-ray repair cross complementing 1 (XRCC1) protein and the risk of female reproductive system cancer, but results are inconclusive. To gain a comprehensive picture of available evidence, we searched for relevant studies in the PubMed, EMBASE, Scopus, and Chinese National Knowledge Infrastructure databases up to December 17, 2016. A total of 26 case-control studies were picked out. The pooled odds ratio (OR) with its 95% confidence interval (CI) was calculated to estimate the association...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410234/the-ovarian-cancer-oncobiome
#16
Sagarika Banerjee, Tian Tian, Zhi Wei, Natalie Shih, Michael D Feldman, James C Alwine, George Coukos, Erle S Robertson
Humans and other mammals are colonized by microbial agents across the kingdom which can represent a unique microbiome pattern. Dysbiosis of the microbiome has been associated with pathology including cancer. We have identified a microbiome signature unique to ovarian cancers, one of the most lethal malignancies of the female reproductive system, primarily because of its asymptomatic nature during the early stages in development. We screened ovarian cancer samples along with matched, and non-matched control samples using our pan-pathogen array (PathoChip), combined with capture-next generation sequencing...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410225/sentinel-lymph-node-mapping-in-endometrial-cancer-a-systematic-review-and-meta-analysis
#17
REVIEW
Hefeng Lin, Zheyuan Ding, Vishnu Goutham Kota, Xiaoming Zhang, Jianwei Zhou
Endometrial cancer is the most frequent tumor in the female reproductive system, while the sentinel lymph node (SLN) mapping for diagnostic efficacy of endometrial cancer is still controversial. This meta-analysis was conducted to evaluate the diagnostic value of SLN in the assessment of lymph nodal involvement in endometrial cancer. Forty-four studies including 2,236 cases were identified. The pooled overall detection rate was 83% (95% CI: 80-86%). The pooled sensitivity was 91% (95% CI: 87-95%). The bilateral pelvic node detection rate was 56% (95% CI: 48-64%)...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28397763/endoplasmic-reticulum-stress-and-homeostasis-in-reproductive-physiology-and-pathology
#18
REVIEW
Elif Guzel, Sefa Arlier, Ozlem Guzeloglu-Kayisli, Mehmet Selcuk Tabak, Tugba Ekiz, Nihan Semerci, Kellie Larsen, Frederick Schatz, Charles Joseph Lockwood, Umit Ali Kayisli
The endoplasmic reticulum (ER), comprises 60% of the total cell membrane and interacts directly or indirectly with several cell organelles i.e., Golgi bodies, mitochondria and proteasomes. The ER is usually associated with large numbers of attached ribosomes. During evolution, ER developed as the specific cellular site of synthesis, folding, modification and trafficking of secretory and cell-surface proteins. The ER is also the major intracellular calcium storage compartment that maintains cellular calcium homeostasis...
April 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28353630/detection-of-17-%C3%AE-estradiol-in-environmental-samples-and-for-health-care-using-a-single-use-cost-effective-biosensor-based-on-differential-pulse-voltammetry-dpv
#19
Yifan Dai, Chung Chiun Liu
Environmental estrogen pollution and estrogen effects on the female reproductive system are well recognized scientifically. Among the estrogens, 17 β-estradiol is a priority in environmental estrogen pollution, and it is also a major contributor to estrogen which regulates the female reproductive system. 17 β-estradiol is carcinogenic and has a tumor promotion effect relating to breast cancer, lung cancer and others. It also affects psychological well-being such as depression, fatigue and others. Thus, a simple method of detecting 17 β-estradiol will be important for both environmental estrogen pollution and health care...
March 29, 2017: Biosensors
https://www.readbyqxmd.com/read/28350120/cross-validation-of-genes-potentially-associated-with-overall-survival-and-drug-resistance-in-ovarian-cancer
#20
Yutao Gao, Xia Liu, Ting Li, Luwei Wei, Antai Yang, Yi Lu, Jian Zhang, Li Li, Sumei Wang, Fuqiang Yin
Ovarian cancer is the leading cause of death among malignancies of the female reproductive system. The 5-year survival rates of ovarian cancer (OC) patients are very poor as a result of recurrent disease and emergence of drug resistance; thus, studies to find predictive markers and factors for drug resistance are ongoing. In the present study, based on the microarrays from The Cancer Genome Atlas (TCGA), and the Gene Expression Omnibus (GEO) profiles covering 1648 OC patients, 11 out of 136 genes that were found to be significantly dysregulated in OC were associated with overall survival (OS) in 489 OC patients of the TCGA cohort...
May 2017: Oncology Reports
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