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https://www.readbyqxmd.com/read/29166539/an-unusual-cause-of-headache-and-sudden-death-of-a-young-sailor-postmortem-computed-tomography-and-histological-findings-of-a-fatal-retroperitoneal-malignant-mixed-germ-cell-tumor
#1
Belinda Lee, Michelle Chan, Ronald Goh
A 26-year-old Caucasian sailor, with no past medical history aside from headache for the last 1 week, was found dead in his cabin. The body was stored in a refrigerator on board and disembarked for autopsy 3 days later. Autopsy showed a large, nodular, necrotic and hemorrhagic retroperitoneal mass, and smaller hemorrhagic nodules in the brain, lungs, liver, and left kidney, with the brain being markedly edematous. Both testes were descended and normal. Histologically, the retroperitoneal mass showed a malignant mixed germ cell tumor comprising choriocarcinoma, embryonal carcinoma, and teratoma components...
November 22, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29158366/therapeutic-anticoagulation-in-patients-with-primary-brain-tumors-or-secondary-brain-metastasis
#2
REVIEW
Richard J Lin, David L Green, Gunjan L Shah
Patients with primary or metastatic brain tumors are at increased risk of developing venous thromboses. However, the potential benefit of therapeutic anticoagulation in these patients must be weighed against the deadly complication of intracranial hemorrhage. In this review, we summarize available evidence and recent studies of intracranial bleeding risks in primary and metastatic tumors and the impact of therapeutic anticoagulation. We find that for the majority of primary and treated metastatic brain tumors, the risk of spontaneous bleeding is acceptable and not further increased by careful therapeutic anticoagulation with low molecular weight heparin or direct oral anticoagulants, although thrombocytopenia (platelet count less than 50,000/μL) and other coagulopathies are relative contraindications...
November 20, 2017: Oncologist
https://www.readbyqxmd.com/read/29135079/cigarette-smoke-extract-and-isoprene-resulted-in-the-induction-of-apoptosis-and-autophagy-in-human-placenta-choriocarcinoma-jeg-3-cells
#3
Hae-Miru Lee, Kyung-Chul Choi
In this study, the effects of cigarette smoke (CS) on the induction of apoptosis via reactive oxygen species (ROS) production and endoplasmic reticulum stress (ER stress) of JEG-3 human choriocarcinoma cells were examined to confirm the relationship between CS and placenta development. Upon TUNEL assay, CS extract (3R4F; 0.3 and 2.1 μM) increased JEG-3 apoptosis. Western blot assay revealed that the protein expressions of p53, Bax, and CCAAT-enhancer-binding protein homologous protein (CHOP) increased, while the levels of Bcl-2 were reduced following CS extract treatment...
November 14, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29118528/adult-testicular-cancer-two-decades-of-saudi-national-data
#4
REVIEW
Mohammed Abomelha
There is a paucity of data regarding testicular cancer among Saudis as well as the nonexistent of published national data. Furthermore, a substantial increase of the incidence of testicular cancer among Saudis was lately noted. The aim of the study is to determine the trends and patterns of testicular cancer among adult Saudis using national data over a period of 20 years. The national database of the Saudi Cancer Registry (SCR) on testicular cancer over the last two decades was studied including epidemiological and histological patterns...
October 2017: Urology Annals
https://www.readbyqxmd.com/read/29113877/-maternal-deaths-due-to-gestational-trophoblastic-diseases-results-from-the-french-confidential-enquiry-into-maternal-deaths-2010-2012
#5
M Dreyfus
Gestational trophoblastic diseases (GTD) correspond to several entities which all have a common pattern: hypersecretion of human chorionic gondotrophin by trophoblastic hyperplasia. Between 2010 and 2012, there were 4 maternal deaths due to GTD (choriocarcinoma). The ratio of maternal death caused by GTD was 0,16/100,000 living births which was similar to the rate from the 2007-2009 period. These deaths represented 1.6% from the whole maternal mortality and 3.3% of the direct maternal mortality. These four deaths occurred after delivery and the diagnosis of GTD was made between 60 and 180 days in the postpartum period...
November 4, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29112495/-choriocarcinoma-a-case-report
#6
Celia Aparicio-Rubio, Eva Hernández-Lorente, Corina Escoin-Pérez
No abstract text is available yet for this article.
November 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/29109863/pattern-of-gynaecological-malignancies-in-south-western-region-of-pakistan-an-overview-of-12-years
#7
Hina Manzoor, Hamida Naheed, Khushnaseeb Ahmad, Shehla Iftikhar, Muhammad Asif, Jamila Shuja, Neelam Sultan, Irfan Ali, Syed Inayatullah, Yasir Hayat Khan
Gynaecological malignancies contribute significantly to cancer burden and have a higher rate of mortality and morbidity. The aim of this retrospective study was to determine the pattern of gynaecological malignancies identified between January, 2000 and December, 2011, at the Centre for Nuclear Medicine and Radiotherapy (CENAR). At CENAR 5,072 female patients were registered with different malignancies, of which 632 cases were gynaecological malignancies. Ovarian cancer (47%) was the most common gynaecological malignancy, followed by cervical cancer (29%), uterine cancer (14%), vulvar and vaginal cancer (6%), and gestational trophoblastic neoplasm (4%)...
November 2017: Biomedical Reports
https://www.readbyqxmd.com/read/29107859/the-effect-of-the-progesterone-induced-blocking-factor-pibf-on-e-cadherin-expression-cell-motility-and-invasion-of-primary-tumour-cell-lines
#8
Tímea Balassa, Gergely Berta, László Jakab, Noémi Bohonyi, Júlia Szekeres-Bartho
In addition to being immunomodulatory, Progesterone-Induced Blocking Factor (PIBF) plays a role in cell cycle regulation and invasion. The full length protein is associated with the pericentriolar satellites and as such, it is crucial for maintaining the integrity of spindle poles during mitosis. Another suggestive evidence for the involvement of PIBF in tumour progression is the fact that the PIBF gene has been identified on chromosome 13 in the region associated with breast cancer susceptibility. Earlier we showed that PIBF differentially regulates the invasiveness of trophoblast and tumour cell lines...
November 2, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29104621/abnormal-expression-of-microrna-575-leads-to-missed-abortion-through-regulating-apoptosis-and-angiogenesis
#9
Shuqin Xia, Yihui Zhen, Hongsheng Ma, Aiming Wang
Numerous microRNA (miR) are important for placental development and function. miR-575 has been demonstrated to be upregulated in maternal placenta in patients who have experienced a miscarriage. The present study aimed to explore the role of abnormal expression of miR-575 in missed abortion (MA) and to further analyze the potential molecular mechanisms. Embryo villus tissue samples were extracted from 10 childless women with MA and 10 fertile women without a history of MA. Additionally, human choriocarcinoma cells, JEG-3, were used in the present study, which were transfected with miR-575 mimic, inhibitor and scramble...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29096355/the-long-non-coding-rna-malat1-interacted-with-mir-218-modulates-choriocarcinoma-growth-by-targeting-fbxw8
#10
Dazun Shi, Yu Zhang, Rong Lu, Yi Zhang
Among the first found cancer-related long non-coding RNAs (lncRNAs), MALAT1 is one that involves in the development and progression of some tumors. MALAT1 can be aberrantly expressed in hepatocellular carcinoma, cervical, breast, ovarian cancers, as well as colorectal cancer. The paper aims to make certain the function of MALAT1 in human choriocarcinoma cell lines by investigating the detailed effects and molecular mechanisms. Being specifically upregulated in choriocarcinoma cell lines, the under-researched lncRNA-MALAT1 promoted choriocarcinoma cell growth by targeting miR-218...
October 30, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29094106/refractory-choriocarcinoma-complete-response-with-oral-etoposide
#11
Manikandan Dhanushkodi, Trivadi Ganesan, Tenali Gnana Sagar
No abstract text is available yet for this article.
October 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/29093257/-primary-mediastinal-choriocarcinoma-a-case-report-and-literature-review
#12
Man Luo, Hong Peng, Min Song, Qianhui Zhou, Yaomei Long, Ping Chen
Primary mediastinal choriocarcinoma in male is not a very common disease, with nonspecific clinical manifestations. Gynecomastia and testicular atrophy are present in some cases. The levels of serum human chorionic gonadotropin are often significantly increased. Giant lump in the mediastinum and bilateral lungs multiple metastases can be seen on the computed tomography for lung. The diagnosis for it depends on pathological biopsy. Current treatment method is a comprehensive, consisting of chemotherapy, radiotherapy and surgery...
October 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29073617/preimplantation-factor-pif-promotes-hla-g-e-f-c-expression-in-jeg-3-choriocarcinoma-cells-and-endogenous-progesterone-activity
#13
Miya Soukaina Hakam, Jose Maria Miranda-Sayago, Soren Hayrabedyan, Krassimira Todorova, Patrick Simon Spencer, Asma Jabeen, Eytan R Barnea, Nelson Fernandez
BACKGROUND/AIMS: Pregnancy success requires mandatory maternal tolerance of the semi/ allogeneic embryo involving embryo-derived signals. Expression levels of PreImplantation Factor (PIF), a novel peptide secreted by viable embryos, correlate with embryo development, and its early detection in circulation correlates with a favourable pregnancy outcome. PIF enhances endometrial receptivity to promote embryo implantation. Via the p53 pathway, it increases trophoblast invasion, improving cell survival / immune privilege...
October 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29071000/burned-out-testicular-cancer-really-a-different-history
#14
Claudia Mosillo, Simone Scagnoli, Giulia Pomati, Salvatore Caponnetto, Maria Laura Mancini, Mario Bezzi, Enrico Cortesi, Alain Gelibter
Two or more histological types characterize more than 60% of testicular germ cell tumors (GCTs). Burned-out testicular tumor refers to partial or complete histological regression of the primary testicular lesions. The most frequent GCT type involved in this kind of histological regression is choriocarcinoma, followed by embryonal carcinoma. To our knowledge, there are no cases of the burned-out phenomenon in teratoma. We report a case of a 19-year-old man presenting to our institute with a right testicular lesion, evidence of mediastinal and abdominal lymph node metastasis, and high levels of GCT serum biomarkers...
September 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/29062882/primary-choriocarcinoma-in-postmenopausal-women-two-case-reports-and-review-of-the-texas-cancer-registry
#15
Leslie F Rafanan, Harvey Greenberg, Nancy U Rondeau, Zuber D Mulla, Darius A Boman
•We report on the medical treatment and outcomes of choriocarcinoma in Hispanic postmenopausal women.•A diagnosis of choriocarcinoma should be considered in older women with elevated serum β-hCG levels.•The unadjusted incidence of choriocarcinoma was calculated using data from the Texas Cancer Registry.
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29052046/headache-and-pregnancy-a-systematic-review
#16
A Negro, Z Delaruelle, T A Ivanova, S Khan, R Ornello, B Raffaelli, A Terrin, U Reuter, D D Mitsikostas
This systematic review summarizes the existing data on headache and pregnancy with a scope on clinical headache phenotypes, treatment of headaches in pregnancy and effects of headache medications on the child during pregnancy and breastfeeding, headache related complications, and diagnostics of headache in pregnancy. Headache during pregnancy can be both primary and secondary, and in the last case can be a symptom of a life-threatening condition. The most common secondary headaches are stroke, cerebral venous thrombosis, subarachnoid hemorrhage, pituitary tumor, choriocarcinoma, eclampsia, preeclampsia, idiopathic intracranial hypertension, and reversible cerebral vasoconstriction syndrome...
October 19, 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/29040664/coumestrol-induces-mitochondrial-dysfunction-by-stimulating-ros-production-and-calcium-ion-influx-into-mitochondria-in-human-placental-choriocarcinoma-cells
#17
Whasun Lim, Changwon Yang, Muhah Jeong, Fuller W Bazer, Gwonhwa Song
STUDY QUESTION: Does coumestrol inhibit proliferation of human placental choriocarcinoma cells? SUMMARY ANSWER: Coumestrol promotes cell death in the choriocarcinoma cells by regulating ERK1/2 MAPK and JNK MAPK signaling pathways and through disruption of Ca2+ and ROS homeostasis. WHAT IS KNOWN ALREADY: A number of patients who suffer from choriocarcinomas fail to survive due to delayed diagnosis or a recurrent tumor and resistance to traditional chemotherapy using platinum-based agents and methotrexate...
November 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29032067/a-rare-case-of-gestational-choriocarcinoma-presenting-as-cornual-ectopic-pregnancy
#18
Vanessa Han, Stephen Kaye
BACKGROUND: Choriocarcinoma associated with cornual pregnancy is extremely rare. To our knowledge, only three other cases have been reported in the literature. CASE: A 38-year-old woman was found to have a left cornual ectopic pregnancy on ultrasound after presenting with abdominal pain, irregular vaginal bleeding, and a positive pregnancy test. Laparoscopy confirmed the diagnosis and she underwent total abdominal hysterectomy. Three weeks later, she presented with vaginal bleeding...
October 11, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29024947/human-trophoblast-derived-hydrogen-sulfide-stimulates-placental-artery-endothelial-cell-angiogenesis
#19
Dong-Bao Chen, Lin Feng, Jennifer K Hodges, Thomas J Lechuga, Honghai Zhang
Endogenous hydrogen sulfide (H2S), mainly synthesized by cystathionine β-synthase (CBS) and cystathionine γ-lyase (CTH), has been implicated in regulating placental angiogenesis; however, the underlying mechanisms are unknown. This study was to test a hypothesis that trophoblasts synthesize H2S to promote placental angiogenesis. Human choriocarcinoma-derived BeWo cells expressed both CBS and CTH proteins, while the first trimester villous trophoblast-originated HTR-8/SVneo cells expressed CTH protein only...
September 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28992109/integrin-%C3%AE-1-is-bound-to-galectin-1-in-human-trophoblast
#20
Žanka Bojic-Trbojevic, Milica Jovanovic Krivokuca, Ivana Stefanoska, Nikola Kolundžic, Aleksandra Vilotic, Toshihiko Kadoya, Ljiljana Vicovac
Interaction of sugar binding proteins - galectins, with glycoconjugates is considered relevant for various reproductive processes. Galectin-1 (gal-1) is a molecule involved in trophoblast cell invasion, which is accomplished through interaction with cell surface and/or extracellular matrix glycoproteins. A possibility of interaction of endogenous gal-1 and trophoblast β1 integrins, both previously shown relevant for trophoblast invasion, was investigated. Confocal microscopy showed overlap in gal-1 and β1 integrin localization at the plasma membrane of isolated cytotrophoblast, HTR-8/SVneo extravillous trophoblast cell line and JAr choriocarcinoma cells...
September 13, 2017: Journal of Biochemistry
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