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https://www.readbyqxmd.com/read/29792175/pulse-actinomycin-d-as-first-line-treatment-of-low-risk-post-molar-non-choriocarcinoma-gestational-trophoblastic-neoplasia
#1
Lei Li, Xirun Wan, Fengzhi Feng, Tong Ren, Junjun Yang, Jun Zhao, Fang Jiang, Yang Xiang
BACKGROUND: Little data exists predicting the resistance to actinomycin D (Act-D) single-agent for gestational trophoblastic neoplasia (GTN). The objective was to determine the overall success of pulse Act-D and the factors predictive of resistance to pulse Act-D in the treatment of low-risk, non-choriocarcinoma post-molar GTN. METHODS: From January 2013 to October 2016, according to the FIGO criteria for the diagnosis of post-molar disease and the FIGO risk-factor scoring system for GTN, a total of 135 patients with post-molar non-choriocarcinoma GTN who were chemotherapy-naive with a FIGO score < 7 were treated with single-agent pulse Act-D as a first-line regimen, in Peking Union Medical College Hospital...
May 23, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29782174/expression-of-concentrative-nucleoside-transporters-slc28a-in-the-human-placenta-effects-of-gestation-age-and-prototype-differentiation-affecting-agents
#2
Lucie Jiraskova, Lukas Cerveny, Sara Karbanova, Zuzana Ptackova, Frantisek Staud
Equilibrative ( SLC29A) and concentrative ( SLC28A) nucleoside transporters contribute to proper placental development and mediate uptake of nucleosides/nucleoside-derived drugs. We analyzed placental expression of SLC28A mRNA during gestation. Moreover, we studied in choriocarcinoma-derived BeWo cells whether SLC29A and SLC28A mRNA levels can be modulated by activity of adenylyl cyclase, retinoic acid receptor activation, CpG islands methylation, or histone acetylation, using forskolin, all- trans-retinoic acid, and 5-azacytidine, and sodium butyrate/sodium valproate, respectively...
May 21, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29765597/cancer-cell-transmission-via-the-placenta
#3
REVIEW
Mel Greaves, William Hughes
Cancer cells have a parasitic propensity in the primary host but their capacity to transit between individuals is severely restrained by two factors: a lack of a route for viable cell transfer and immune recognition in allogeneic, secondary recipients. Several examples of transmissible animal cancers are now recognised. In humans, the only natural route for transmission is via the haemochorial placenta which is permissive for cell traffic. There are three special examples of this occurring in utero : maternal to foetus, intraplacental twin to twin leukaemias and choriocarcinoma-extra-embryonic cells to mother...
2018: Evolution, Medicine, and Public Health
https://www.readbyqxmd.com/read/29765448/overexpressed-ho-1-is-associated-with-reduced-stat3-activation-in-preeclampsia-placenta-and-inhibits-stat3-phosphorylation-in-placental-jeg-3-cells-under-hypoxia
#4
Hong-Mei Qu, Li-Ping Qu, Xiao-Yan Li, Xian-Zhen Pan
Introduction: Inadequate trophoblast invasion and placentation are widely believed to contribute to preeclampsia, and multiple lines of evidence indicate the involvement of hypoxia in preeclampsia. However, the molecular mechanisms underlying the association of placental hypoxia with preeclampsia are not clear. Material and methods: The present study focused on the role in preeclampsia of heme oxygenase 1 (HO-1), which is an inducible isoform of HO in response to hypoxia, via examining the expression of HO-1 and the expression and phosphorylation (Tyr705) of Signal transducer and activator of transcription (STAT) 3 in preeclamptic placentas via the immunohistochemical method, western blotting assay and RT-qPCR method...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29755409/glial-cells-missing-1-regulates-equine-chorionic-gonadotrophin-beta-subunit-via-binding-to-the-proximal-promoter
#5
Jordan E Read, Victoria Cabrera-Sharp, Phoebe Kitscha, Judith E Cartwright, Peter J King, Robert C Fowkes, Amanda M de Mestre
Equine chorionic gonadotrophin (eCG) is a placental glycoprotein critical for early equine pregnancy and used therapeutically in a number of species to support reproductive activity. The factors in trophoblast that transcriptionally regulate eCGβ-subunit ( LHB ), the gene which confers the hormones specificity for the receptor, are not known. The aim of this study was to determine if glial cells missing 1 regulates LHB promoter activity. Here, studies of the LHB proximal promoter identified four binding sites for glial cells missing 1 (GCM1) and western blot analysis confirmed GCM1 was expressed in equine chorionic girdle (ChG) and surrounding tissues...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29753846/role-of-hnf1%C3%AE-in-the-differential-diagnosis-from-other-germ-cell-tumors
#6
Anne-Laure Rougemont, Jean-Christophe Tille
Identification of the yolk sac tumor (YST) component in germ cell tumors (GCT) may prove challenging, and highly sensitive and specific immunohistochemical markers are still lacking. Preliminary data from the literature suggest that HNF1β may represent a sensitive marker of YST. The specificity of HNF1β has not been addressed in GCT. A cohort of 49 YST specimens from 45 patients was designed, occurring either as pure tumors, or as a component of a mixed GCT. Immunohistochemistry was conducted on whole tumor sections using HNF1β...
May 10, 2018: Human Pathology
https://www.readbyqxmd.com/read/29745105/primary-gastric-choriocarcinoma
#7
Ozturk Ates, Kadri Altundag, Ibrahim Gullu
No abstract text is available yet for this article.
March 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29739453/spontaneous-renal-hemorrhage-secondary-to-choriocarcinoma-in-a-man-with-congenital-hypospadias-and-cryptorchidism-a-case-report-and-literature-review
#8
Yi Li, Gang Chen, Han Chen, Shuang Wen, Chao-Yu Xiong, Zi-Yi Yang, Yun-Xiao Zhu, Nathan Jeffreys
BACKGROUND: Choriocarcinoma is a rare malignant germ-cell tumour, most commonly found in adult women. It infrequently presents as spontaneous renal haemorrhage (SRH). Genital malformation and SRH secondary to choriocarcinoma has previously been only reported in females. We present what we believe to be the first case of a male patient with genital malformation (hypospadias and cryptorchidism) and SRH at presentation of choriocarcinoma. CASE PRESENTATION: A 25-year-old man presented to the department with intense pain in the right flank region and lower back...
May 8, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29686836/primary-choriocarcinoma-of-the-liver-a-rare-but-important-differential-diagnosis-of-liver-lesions
#9
Alexander Kohler, Thilo Welsch, Anne-Kathrin Sturm, Gustavo B Baretton, Christoph Reissfelder, Jürgen Weitz, Carina Riediger
The case of a 64-year-old man with spontaneous acute abdominal bleeding is presented. Under suspicion of an atypical hepatocellular carcinoma an extended left hemihepatectomy was performed. Histological diagnosis after surgical therapy revealed a primary hepatic choriocarcinoma. During follow-up within 5 months several metastases were detected. Because of the number and localization of the metastases, there was no further curative surgical option and palliative systemic chemotherapy was initiated. Primary choriocarcinoma of the liver is an important differential-diagnosis in hypervascularized lesions of the liver...
April 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29681814/non-gestational-choriocarcinoma-with-widespread-metastases-presenting-with-type-1-respiratory-failure-in-a-39-year-old-female-case-report-and-review-of-the-literature
#10
Louisa Stockton, Elizabeth Green, Baljeet Kaur, Emma De Winton
Introduction: Non-gestational choriocarcinoma (NGCC) is an extremely rare cancer. We report a case presenting in extremis. Case Report: A 39-year-old woman presented with type 1 respiratory failure with a 1-month history of breathlessness. Computed tomography (CT) revealed widespread metastatic disease involving the lungs, liver, pancreas, and breast. Serum β-human chorionic gonadotropin was markedly raised. Over 72 h, she deteriorated and was started on high-flow nasal cannula to facilitate discussions and for comfort...
January 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/29678709/metastatic-non-gestational-choriocarcinoma-to-the-brain-a-case-report-and-proposed-treatment-recommendations
#11
Jason Duong, Hammad Ghanchi, Dan Miulli, Avneet Kahlon
OBJECTIVE: Non-gestational choriocarcinoma (NGC) is a rare germ cell tumor, reported less than 0.6% of all gestational tumors, and has a poor prognosis when metastasized. NGC is even less reported with metastasis to the brain. Gestational choriocarcinoma (GC) when metastasized to the brain has a higher morbidity and mortality but has been known to be a chemosensitive and radiosensitive lesion, and NGC is chemoresistant with an even worse prognosis. Currently, there is no consensus for treatment for metastatic NGC to the brain...
April 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29665822/toxoplasma-gondii-dense-granule-protein-15-induces-apoptosis-in-choriocarcinoma-jeg-3-cells-through-endoplasmic-reticulum-stress
#12
Wei Wei, Fangfang Zhang, He Chen, Yuanyuan Tang, Tian Xing, Qingli Luo, Li Yu, Jian Du, Jilong Shen, Linjie Zhang
BACKGROUND: Toxoplasma gondii, a single-celled parasite commonly found in mammals, has been shown to induce trophoblast cell apoptosis and subsequently cause fetal damage and abortion. Although dense granule protein 15 (GRA15) has been identified as a key component in innate immunity to T. gondii infection and its pathogenesis, its role in host cell apoptosis remains unclarified. METHODS: Type II GRA15 (GRA15II ) cDNA was inserted into a plasmid encoding enhanced green fluorescent protein (pEGFP)...
April 17, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29665032/testicular-choriocarcinoma-with-cutaneous-metastasis-in-a-19-year-old-man
#13
Ferdinand Toberer, Alexander Enk, Wolfgang Hartschuh, Carsten Grüllich
A 19-year-old man suffering from testicular choriocarcinoma presented to the dermatology department with a cutaneous metastasis on his head. This metastasis was the first sign of disease that led to medical consultation. Histopathology revealed cytotrophoblasts and syncytiotrophoblasts, the later expressing human chorionic gonadotropin antigen. Whole body computed tomography showed multiple metastases of the brain, lung, liver, bone, paraaortic lymph nodes and left uvea, the primary was found in the left testicle...
April 17, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29652322/-treatment-of-primary-choriocarcinoma-of-lung
#14
V D Parshin, E A Kogan, O S Mirzoyan, A V Starostin, V P Seredin
No abstract text is available yet for this article.
2018: Khirurgiia
https://www.readbyqxmd.com/read/29650822/-a-case-of-poorly-differentiated-carcinoma-of-unknown-primary-site-with-risk-of-choriocarcinoma-syndrome-effectively-treated-with-reduced-bleomycin-cisplatin-etoposide-combination-regimen-bep-regimen
#15
Motohiko Okano, Hiroyasu Oda, Mikiya Ishihara, Satoshi Tamaru, Kanako Saito, Yoshiki Yamashita, Toshiro Mizuno, Naoyuki Katayama
A 64-year-old man visited his physician complaining of bilateral gynecomastia and left shoulder pain. Chest X-ray showed multiple bilateral masses in the lung, and he was referred to our hospital. Radiographical findings, elevation of serum total hCG, and histological findings of the cervical lymph node revealed multiple pulmonary, nodal, and brain metastases of poorly differentiated carcinoma of an unknown primary site with choriocarcinoma components. He was administered a regimen of reduced bleomycin, cisplatin, etoposide combination(reduced BEP regimen)to reduce the risk of acute respiratory failure with intra-alveolar hemorrhage related to post-chemotherapy early tumor necrosis...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29622835/diagnosing-and-treating-rare-lesions-in-a-low-resource-setting-lessons-from-ahybrid-epithelioid-trophoblastic-tumor-and-choriocarcinoma
#16
Patrick K Akakpo, Kofi Ulzen-Appiah, Evans Agbeno, Leonard Derkyi-Kwarteng
Objective: To raise awareness of the existence of a rare type of malignant trophoblastic tumor and discuss the diagnostic challenges and management of this lesion in a low resource setting. Case report and intervention: A 35 -year -old G6 P3 woman was referred to our facility on account of persistent vaginal bleeding due to a suspected incomplete miscarriage with a cervical mass. Her serum β-HCG was elevated (36,900 mIU/ml) and examination showed a bleeding cervical mass...
December 2017: Ghana Medical Journal
https://www.readbyqxmd.com/read/29620671/intraplacental-choriocarcinoma-coexisting-with-fetomaternal-hemorrhage-case-report-chemotherapy-management-and-literature-review
#17
Qin She, Zhi Cheng, Darine El-Chaar, Feng Luo, Xiaoyan Guo, Shi Wu Wen
RATIONALE: Near-term intraplacental choriocarcinoma (IC) coexisting with massive fetomaternal hemorrhage (FMH) is rare, and its clinical course is poorly understood. Here, we report a new case from our hospital, with detailed discussion and literature review. PATIENT CONCERNS: A 21-year-old Chinese female at 35 weeks gestation was admitted to our hospital due to reduced fetal movement. Near-term IC coexisting with massive FMH was diagnosed after delivery. INTERVENTION: The mother and infant were followed 3 months after delivery...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29618829/the-genetic-diversity-within-the-1-4-kb-hla-g-5-upstream-regulatory-region-moderately-impacts-on-cellular-microenvironment-responses
#18
Fabrício C Dias, Bruna C Bertol, Isabelle Poras, Bruno M Souto, Celso T Mendes-Junior, Erick C Castelli, Laure Gineau, Audrey Sabbagh, Nathalie Rouas-Freiss, Edgardo D Carosella, Eduardo A Donadi, Philippe Moreau
The HLA-G 5'URR extending 1.4 kb from the ATG presents a unique set of regulatory elements among HLA genes. Several variable sites have been described that coincide with or are close to these elements, thus HLA-G 5'URR polymorphism might influence the HLA-G expression level. We cloned the ten most frequent HLA-G 5'URR haplotypes to evaluate their activity on a luciferase reporter gene in HLA-G+ cell lines (JEG-3/choriocarcinoma and FON+ /melanoma). We also investigated associations between the plasma HLA-G (sHLA-G) levels and the HLA-G 5'URR variability in 157 healthy individuals...
April 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29614240/expression-of-enpp3-in-human-cyclic-endometrium-a-novel-molecule-involved-in-embryo-implantation
#19
Qianqian Chen, Aijie Xin, Ronggui Qu, Wenbi Zhang, Lu Li, Junling Chen, Xiang Lu, Yongwei Gu, Jing Li, Xiaoxi Sun
Ectonucleotide pyrophosphatase-phosphodiesterase 3 (ENPP3), a protein detected in the human uterus, has been found to play an important role in the development and invasion of tumours. It was recently discovered that ENPP3 was upregulated during the window of implantation in the human endometrium but its functional relevance remains elusive. The objective was to determine ENPP3 expression in human endometrium and its roles in endometrial receptivity and embryo implantation. ENPP3 expression was analysed using immunohistochemistry and western blot assay...
April 4, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29581140/transmission-of-a-tp53-germline-mutation-from-unaffected-male-carrier-associated-with-pediatric-glioblastoma-in-his-child-and-gestational-choriocarcinoma-in-his-female-partner
#20
Jennifer A Cotter, Linda Szymanski, Catherine Karimov, Lara Boghossian, Ashley Margol, Girish Dhall, Benita Tamrazi, G Isaac Varaprasathan, David M Parham, Alexander R Judkins, Jaclyn A Biegel
Li-Fraumeni syndrome (LFS) is an autosomal dominant cancer predisposition syndrome caused by germline alterations in the tumor suppressor gene TP53. LFS is associated with numerous malignancies including astrocytoma. Sanger sequencing and chromosomal microarray studies of blood and tumor tissue from a 4-year-old boy with glioblastoma demonstrated a germline TP53 mutation with loss of heterozygosity for the short arm of chromosome 17 as the second inactivating event in the tumor. There was no family history of LFS, but the child's mother had recently died from metastatic choriocarcinoma after antecedent normal term delivery of a then 6-month-old daughter...
March 26, 2018: Cold Spring Harbor Molecular Case Studies
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