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https://www.readbyqxmd.com/read/28635329/lead-induces-siberian-tiger-fibroblast-apoptosis-by-interfering-with-intracellular-homeostasis
#1
Zheng Liu, Hui Wang, Wenxiu Zhang, Ziao Yuan, Hongyi Yuan, Xueting Liu, Minghai Zhang, Xuesong Guo, Weijun Guan
Lead (Pb(2+)) is a poisonous heavy metal that causes many pathophysiological effects in living systems. Its toxicological effects are well known as it causes apoptosis of several cell types and tissues. This study aimed to determine the criteria required for early diagnosis of Pb(2+) poisoning in the Siberian tiger using a tiger population in China, to identify a safety Pb(2+) concentration threshold, and to provide suggestions for preventing Pb(2+) poisoning in Siberian tigers. We investigated the apoptotic effects of Pb(2+) (0, 32, 64, and 125 μM) for 12-48 h on Siberian tiger fibroblasts in vitro...
June 21, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28629583/ex%C3%A2-vivo-retrieval-and-cryopreservation-of-oocytes-from-oophorectomized-specimens-for-fertility-preservation-in-a-brca1-mutation-carrier-with-ovarian-cancer
#2
Nigel Pereira, Andrea G Hubschmann, Jovana P Lekovich, Glenn L Schattman, Zev Rosenwaks
OBJECTIVE: To report a case of ex vivo oocyte retrieval from oophorectomized specimens in a BRCA1 mutation carrier undergoing surgical staging for ovarian cancer. DESIGN: Video case report and literature review. SETTING: University-affiliated center. PATIENT(S): A 37-year-old single woman, gravida 0, with a known BRCA1 mutation, presented to her oncologist with a complex right ovarian mass and elevated CA-125 level...
June 16, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28629557/multiparametric-mri-for-differentiation-of-borderline-ovarian-tumors-from-stage-i-malignant-epithelial-ovarian-tumors-using-multivariate-logistic-regression-analysis
#3
Fatmaelzahraa Abdelfattah Denewar, Mitsuru Takeuchi, Misugi Urano, Yuki Kamishima, Tatsuya Kawai, Naoki Takahashi, Moe Takeuchi, Susumu Kobayashi, Junichi Honda, Yuta Shibamoto
OBJECTIVE: To assess the value of contrast-enhanced MRI, apparent diffusion coefficient (ADC) measurement, and CA-125 measurement for differentiating borderline ovarian tumors (BOTs) from stage I malignant epithelial ovarian tumors (MEOTs). MATERIAL AND METHODS: This retrospective study included 43 patients with BOTs and 43 patients with stage I MEOTs who underwent contrast-enhanced MRI with DWI and CA-125 analysis. Two radiologists evaluated the MRI findings in consensus...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28624692/preoperative-serum-levels-of-ykl-40-and-ca125-as-a-prognostic-indicators-in-patients-with-endometrial-cancer
#4
Beata Kotowicz, Malgorzata Fuksiewicz, Joanna Jonska-Gmyrek, Michal Wagrodzki, Maria Kowalska
OBJECTIVE: To evaluate the utility of YKL-40 and CA125 in endometrial cancer (EC) patients, and to determine their prognostic value in assessing the disease-free survival (DFS) and overall survival (OS). METHODS: We analyzed seventy-four EC patients, treated at a single institution and 25 healthy individuals. CA 125 serum level was evaluated in the Cobas 6000 system and YKL-40, using the ELISA method. RESULTS: Significantly increased serum level of YKL-40 and CA125 was in EC patients in FIGO I-IB when compared to healthy controls...
June 13, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28604140/is-the-bipolar-vessel-sealer-device-an-effective-tool-in-robotic-surgery-a-retrospective-analysis-of-our-experience-and-a-meta-analysis-of-the-literature-about-different-robotic-procedures-by-investigating-operative-data-and-post-operative-course
#5
Monica Ortenzi, Roberto Ghiselli, Maddalena Baldarelli, Luca Cardinali, Mario Guerrieri
BACKGROUND: The latest robotic bipolar vessel sealing tools have been described to be effective allowing to perform procedures with reduced blood loss and shorter operative times. The aim of this study was to assess the efficacy and reliability of these devices applied in different robotic procedures. MATERIAL AND METHODS: All robotic operations, between 2014 and 2016, were performed using the EndoWrist One VesselSealer (EWO, Intuitive Surgical, Sunnyvale, CA), a bipolar fully wristed device...
June 12, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28603079/ultrasound-molecular-imaging-of-ovarian-cancer-with-ca-125-targeted-nanobubble-contrast-agents
#6
Yong Gao, Christopher Hernandez, Hai-Xia Yuan, Jacob Lilly, Pavan Kota, Haoyan Zhou, Hanping Wu, Agata A Exner
Ultrasound is frequently utilized in diagnosis of gynecologic malignancies such as ovarian cancer. Because epithelial ovarian cancer (EOC) is often characterized by overexpression of cancer antigen 125 (CA-125), ultrasound contrast agents able to target this molecular signature could be a promising complementary strategy. In this work, we demonstrate application of CA-125-targeted echogenic lipid and surfactant-stabilized nanobubbles imaged with standard clinical contrast harmonic ultrasound for imaging of CA-125 positive OVCAR-3 tumors in mice...
June 9, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28601126/the-impact-of-gene-polymorphisms-in-angiotensin-receptor-1-and-aldosterone-synthase-in-peritoneal-dialysis-patients
#7
Alijana Trošt Rupnik, Damjan Kovač, Jernej Pajek, Joško Osredkar, Janja Marc, Jelka Lindič
AIM: Longevity of peritoneal membrane is an important issue in patients treated with peritoneal dialysis (PD). In our study, we studied the impact of angiotensin receptor 1 (AGT R1) and aldosterone synthase (CYP11B2) gene polymorphism on peritoneal concentrations of interleukin-6 (PI-IL-6), vascular endothelial growth factor (PI-VEGF), plasminogen activator inhibitor-1 (PI-PAI-1), transforming growth factor-β (PI-TGF-β), and cancer antigen-125 (PI-CA-125) as known markers of peritoneal fibrosis...
June 9, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28598136/early-detection-of-recurrence-or-progression-disease-in-patients-with-ovarian-cancer-after-primary-debulking-surgery-a-diagnostic-challenge-still-unresolved-correlation-between-ct-findings-and-ca-125-levels
#8
Michela Giuliani, Benedetta Gui, Anna L Valentini, Silvia E DI Giovanni, Maura Miccò, Elena Rodolfino, Matteo Falcione, Chiara DE Waure, Eleonora Palluzzi, Vanda Salutari, Giovanni Scambia, Riccardo Manfredi
BACKGROUND: There are no standard approaches for follow up in advanced ovarian cancer (AOC) patients; the aim of this study is to evaluate correlation between Computed Tomography (CT) and CA 125 levels to assess early detection of recurrence or progression disease (PD). METHODS: We included 76 patients with AOC, who had prior debulking surgery, starting first or second line of chemotherapy and underwent follow up CT examinations. Evaluation of tumor response to treatment by imaging was assessed using RECIST 1...
June 9, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28588694/high-level-of-calpain1-promotes-cancer-cell-invasion-and-migration-in-oral-squamous-cell-carcinoma
#9
Da Ma, Juan Fang, Ying Liu, Jing-Jing Song, Yan-Qiong Wang, Juan Xia, Bin Cheng, Zhi Wang
Calpain1, termed conventional calpain and a member of the Ca(2+)-dependent neutral cysteine proteases, is considered to be involved in cancer formation and development. However, the effect of calpain1 on oral squamous cell carcinoma (OSCC) remains poorly understood. The aim of the present study was to evaluate the possibility of calpain1 as a potential molecular target for OSCC diagnosis and therapy. The present study demonstrates that calpain1 was overexpressed in OSCC cell lines and 4/7 of the tumor tissues in paired samples of tumor and noncancerous matched tissues (NCMT)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28583639/ct-and-mri-findings-of-type-i-and-type-ii-epithelial-ovarian-cancer
#10
Dong Liu, Lin Zhang, Nekitsing Indima, Kun Peng, Qianyu Li, Ting Hua, Guangyu Tang
OBJECTIVE: To assess whether types I and II epithelial ovarian cancer (EOC) differ in CT and MRI imaging features. METHODS: For this retrospective study, we enrolled 65 patients with 68 ovarian lesions that have been pathologically proven to be EOC. Of these patients, 38 cases underwent MR examinations only, 15 cases underwent CT examinations only, and 12 cases completed both examinations. The clinical information [age, CA-125, menopausal status, and Ki-67] and imaging findings were compared between two types of EOCs...
May 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28576630/ca-125-in-disease-progression-and-treatment-of-lymphangioleiomyomatosis
#11
Connie G Glasgow, Gustavo Pacheco-Rodriguez, Wendy K Steagall, Mary E Haughey, Patricia A Julien-Williams, Mario P Stylianou, Bernadette R Gochuico, Joel Moss
BACKGROUND: Lymphangioleiomyomatosis (LAM) is a destructive lung disease of women caused by proliferation of neoplastic-like LAM cells, with mutations in the TSC1/2 tumor suppressor genes. Based on case reports, CA-125 (an ovarian cancer biomarker) can be elevated in LAM patients. We hypothesized that elevated serum CA-125 levels seen in some LAM patients were due to LAM, not other malignancies, and might respond to sirolimus treatment. METHODS: Serum CA-125 levels were measured for 241 patients at each visit...
May 30, 2017: Chest
https://www.readbyqxmd.com/read/28561881/reference-limits-for-chromogranin-a-cyfra-21-1-ca-125-ca-19-9-and-carcinoembryonic-antigen-in-patients-with-chronic-kidney-disease
#12
Gustav Mikkelsen, Arne Åsberg, Maria E Hultström, Knut Aasarød, Gunhild G Hov
BACKGROUND: Patients with chronic kidney disease (CKD) may have increased plasma concentrations of some tumor markers even when no cancer is present. Previous studies have indicated that plasma concentrations of chromogranin A (CGA), cytokeratin 19 fragments (CYFRA 21-1), cancer antigen 125 (CA 125), cancer antigen 19-9 (CA 19-9) and carcinoembryonic antigen (CEA) are higher in patients with CKD but without cancer, than in healthy individuals, and this can make interpretation of results more complicated...
May 27, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28551658/preoperative-ca-125-values-as-a-predictive-factor-for-the-postoperative-outcome-in-primary-serous-ovarian-cancer
#13
Mustafa Zelal Muallem, Asya Parashkevova, Jumana Almuheimid, Rolf Richter, Yasser Diab, Elena Ioana Braicu, Jalid Sehouli
BACKGROUND/AIM: The purpose of the study was to examine the preoperative CA-125 values as a predictive factor for postoperative outcome in primary serous ovarian cancer (POC) for complete tumor resection (CTR) and evaluate the preoperative CA-125 levels with other vital clinical dynamics such as ascites, lymph node involvement, diffuse peritoneal carcinomatosis, grading and staging. PATIENTS AND METHODS: A cohort of 277 POC-patients aged 18-75 years, who had undergone primary cytoreductive surgery at the Department of Gynecology & Oncological Surgery, Charité, Campus Virchow Klinikum (CVK) between 2000 und 2009 was analyzed in correlation with the preoperative CA-125 values...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28549533/performance-of-roma-based-on-architect-ca-125-ii-and-he4-values-in-chinese-women-presenting-with-a-pelvic-mass-a-multicenter-prospective-study
#14
Fengxian Shen, Shiming Lu, Yibing Peng, Fan Yang, Yan Chen, Yingying Lin, Chen Yang, Li Wu, Huijun Li, Yijie Zheng
BACKGROUND: We evaluated the performance of human epididymis protein 4 (HE4), cancer antigen 125(CA 125) and Risk of Ovarian Malignancy Algorithm (ROMA) in distinguishing between benign and malignant pelvic masses in Chinese women. METHOD: From April to December 2012, women with a pelvic mass scheduled to have surgery were enrolled in a prospective, multi-center study conducted in 5 different regions in China. Preoperative serum concentrations of HE4 and CA 125 were examined and ROMA was calculated...
May 23, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28545269/-risk-factors-of-endometriosis-associated-ovarian-carcinoma-in-women-aged-45-years-and-older
#15
Z X He, S Wang, Z F Li, L Zhu, J H Leng, J H Lang
Obiective: To explore the risk factors of endometriosis-associated ovarian cancer (EAOC) in women with ovarian endometriosis aged 45 years and older in China. Methods: The medical records of total 1 038 women aged 45 years and older with a surgicopathological diagnosis of ovarian endometriosis treated at Peking Union Medical College Hospital from December 1994 to December 2014 were reviewed. Histology evaluation determined ovarian endometriosis with (n=30) or without (n=1 008) ovarian cancer. Results: (1) There were 30 (2...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28540360/epithelioid-angiosarcoma-arising-in-a-uterine-leiomyoma-with-associated-elevated-ca-125-a-case-report
#16
Sarah V Strickland, Mark R Kilgore, Elise J Simons, Mara H Rendi
We describe the case of a 67 year old female with longstanding uterine leiomyomas who presented with fatigue, weight loss, elevated CA-125 and an enlarging mass arising from the posterior uterine fundus. Histologic sections of the mass contained a leiomyoma with interspersed foci of malignant epithelioid cells forming anastomosing vascular channels. The neoplastic cells were diffusely positive for CD31 and FLI1, supporting the morphologic impression of epithelioid angiosarcoma. Few cases of epithelioid angiosarcoma arising within a leiomyoma have been described...
August 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28537029/arsenic-accumulation-and-physiological-attributes-of-spinach-in-the-presence-of-amendments-an-implication-to-reduce-health-risk
#17
Muhammad Shahid, Marina Rafiq, Nabeel Khan Niazi, Camille Dumat, Saliha Shamshad, Sana Khalid, Irshad Bibi
The current study examined the effect of calcium (Ca) and ethylenediaminetetraacetic acid (EDTA) on arsenic (As) uptake and toxicity to spinach (Spinacia oleracea) as well as assessed the potential human health risks. Spinach seedlings were exposed to three levels of As (25, 125, and 250 μM) alone or together with three levels of EDTA (25, 125, and 250 μM) and Ca (1, 5, and 10 mM). The effect of EDTA and Ca was assessed in terms of As contents in roots and shoots, hydrogen peroxide production, chlorophyll contents, and lipid peroxidation...
May 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28525848/an-amplified-comparative-fluorescence-resonance-energy-transfer-immunosensing-of-ca125-tumor-marker-and-ovarian-cancer-cells-using-green-and-economic-carbon-dots-for-bio-applications-in-labeling-imaging-and-sensing
#18
Somayeh Hamd-Ghadareh, Abdollah Salimi, Fardin Fathi, Saman Bahrami
CA125, is a marker in the clinical diagnosis of several cancers and currently is the best serum-based tumor marker for ovarian cancer. Here, we developed an ultrasensitive antibody-ssDNA aptamer sandwich-type fluorescence immunosensor for CA125 detection. Based on a novel signal amplification strategy the carbon dots (CDs) functionalized with aptamer (CD-aptamer) used as detection probe and PAMAM-Dendrimers/AuNPs was used for covalent attachment of CA125-antibody and completing the sandwich assay method. By measuring of fluorescence resonance energy transfer (FRET) signals between CDs and AuNPs as nanoquenchers, the fluorescence signal quenched during sandwich complex formed between anti-CA125, CA125 and CDs-Aptamer and decreasing of fluorescence response signal is related to CA125 concentrations...
May 4, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28524918/urotensin-ii-peptidomimetic-incorporating-a-non-reducible-1-5-triazole-disulfide-bond-reveals-a-pseudo-irreversible-covalent-binding-mechanism-to-the-urotensin-g-protein-coupled-receptor
#19
Salvatore Pacifico, Aidan Kerckhoffs, Andrew J Fallow, Rachel E Foreman, Remo Guerrini, John McDonald, David G Lambert, Andrew G Jamieson
The urotensin-II receptor (UTR) is a class A GPCR that predominantly binds to the pleiotropic cyclic peptide urotensin-II (U-II). U-II is constrained by a disulfide bridge that induces a β-turn structure and binds pseudo-irreversibly to UTR and is believed to result in a structural rearrangement of the receptor. However, it is not well understood how U-II binds pseudo-irreversibly and the nature of the reorganization of the receptor that results in G-protein activation. Here we describe a series of U-II peptidomimetics incorporating a non-reducible disulfide bond structural surrogate to investigate the feasibility that native U-II binds to the G protein-coupled receptor through disulfide bond shuffling as a mechanism of covalent interaction...
May 31, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28523322/synchronous-bilateral-primary-ovarian-carcinoma-case-presentation
#20
Crîngu Antoniu Ionescu, Simona Vlădăreanu, Liana Pleş, Mihai Cornel Traian Dimitriu, Gheorghe Oto Furău, Teodora Camelia Vlădescu, Alina Mihaela Călin, NuŢi Daniela Oprescu
Bilateral synchronous primary ovarian carcinoma, histopathologically identical or different is a rare entity encountered in clinical practice. We present the case of a 38-year-old patient who is admitted with the presence of a massive pelvic abdominal tumor formation of 45÷35÷25 cm occupying the lower pelvic and upper abdominal floor, reaching halfway distance between the umbilicus and sternum and lateral bilaterally in the two abdominal flanks until iliac wing. The mixed transabdominal÷transvaginal ultrasound and computed tomography (CT), establish the diagnosis of bilateral ovarian tumor...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
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