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https://www.readbyqxmd.com/read/28212584/hyaluronic-acid-serum-albumin-conjugate-based-nanoparticles-for-targeted-cancer-therapy
#1
Ravit Edelman, Yehuda G Assaraf, Inna Levitzky, Tal Shahar, Yoav D Livney
Multiple carcinomas including breast, ovarian, colon, lung and stomach cancer, overexpress the hyaluronic acid (HA) receptor, CD44. Overexpression of CD44 contributes to key cancer processes including tumor invasion, metastasis, recurrence, and chemoresistance. Herein, we devised novel targeted nanoparticles (NPs) for delivery of anticancer chemotherapeutics, comprised of self-assembling Maillard reaction-based conjugates of HA and bovine serum albumin (BSA). HA served as the hydrophilic block, and as the ligand for actively targeting cancer cells overexpressing CD44...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212573/dynamic-variations-in-epithelial-to-mesenchymal-transition-emt-atm-and-slfn11-govern-response-to-parp-inhibitors-and-cisplatin-in-small-cell-lung-cancer
#2
C Allison Stewart, Pan Tong, Robert J Cardnell, Triparna Sen, Lerong Li, Carl M Gay, Fatemah Masrorpour, You Fan, Rasha O Bara, Ying Feng, Yuanbin Ru, Junya Fujimoto, Samrat T Kundu, Leonard E Post, Karen Yu, Yuqiao Shen, Bonnie S Glisson, Ignatio Wistuba, John V Heymach, Don L Gibbons, Jing Wang, Lauren Averett Byers
Small cell lung cancer (SCLC) is one of the most aggressive forms of cancer, with a 5-year survival <7%. A major barrier to progress is the absence of predictive biomarkers for chemotherapy and novel targeted agents such as PARP inhibitors. Using a high-throughput, integrated proteomic, transcriptomic, and genomic analysis of SCLC patient-derived xenografts (PDXs) and profiled cell lines, we identified biomarkers of drug sensitivity and determined their prevalence in patient tumors. In contrast to breast and ovarian cancer, PARP inhibitor response was not associated with mutations in homologous recombination (HR) genes (e...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28210515/cystic-endometrioma-with-coexisting-fibroma-originating-in-a-supernumerary-ovary-in-the-rectovaginal-pouch
#3
Daiki Ogishima, Asumi Sakaguchi, Hiroko Kodama, Kanako Ogura, Ayako Miwa, Yayoi Sugimori, Shozo Matuoka, Toshiharu Matsumoto
A supernumerary ovary is an exceedingly rare disorder, in which the structure containing ovarian tissue is located at some distance from the normally placed ovary. 16 cases of endometriosis or tumors originating in a supernumerary ovary have been published in the English literature, but no case of coexisting endometriosis and a tumor has been published. We present the case of a 40-year-old female with cystic endometrioma with coexisting fibroma originating in a supernumerary ovary in the rectovaginal pouch...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28210074/second-look-surgery-plus-hyperthermic-intraperitoneal-chemotherapy-for-patients-with-colorectal-cancer-at-high-risk-of-peritoneal-carcinomatosis-does-it-really-save-lives
#4
EDITORIAL
Delia Cortes-Guiral, Dominique Elias, Pedro Antonio Cascales-Campos, Alfredo Badía Yébenes, Ismael Guijo Castellano, Ana Isabel León Carbonero, José Ignacio Martín Valadés, Jesus Garcia-Foncillas, Damian Garcia-Olmo
The treatment of peritoneal carcinomatosis (PC) of colorectal origin with cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) has a 5-year recurrence-free or cure rate of at least 16%, so it is no longer labeled as a fatal disease, and offers prolonged survival for patients with a low peritoneal carcinomatosis index. Metachronous PC of colorectal origin is so predictable that there is a model which has been used to successfully determine the individual risk of each patient. Patients at risk are clearly identified; those with the highest risk have small peritoneal nodules present in the first surgery (70% probability of developing PC), ovarian metastases (60%), perforated tumor onset or intraoperative tumor rupture (50%)...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28209916/diabetic-concentrations-of-metformin-inhibit-platelet-mediated-ovarian-cancer-cell-progression
#5
Rafaela Erices, Sofía Cubillos, Raúl Aravena, Felice Santoro, Monica Marquez, Renan Orellana, Carolina Ramírez, Pamela González, Patricia Fuenzalida, María Loreto Bravo, Bárbara Oliva, Sumie Kato, Carolina Ibañez, Jorge Brañes, Erasmo Bravo, Catalina Alonso, Karen García, Clemente Arab, Vicente A Torres, Alejandro S Godoy, Jaime Pereira, Galdo Bustos, Julio Cesar Cardenas, Mauricio A Cuello, Gareth I Owen
Clinical studies have suggested a survival benefit in ovarian cancer patients with type 2 diabetes mellitus taking metformin, however the mechanism by which diabetic concentrations of metformin could deliver this effect is still poorly understood. Platelets not only represent an important reservoir of growth factors and angiogenic regulators, they are also known to participate in the tumor microenvironment implicated in tumor growth and dissemination. Herein, we investigated if diabetic concentrations of metformin could impinge upon the previously reported observation that platelet induces an increase in the tube forming capacity of endothelial cells (angiogenesis) and upon ovarian cancer cell aggressiveness...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209618/the-stat3-mirna-92-wnt-signaling-pathway-regulates-spheroid-formation-and-malignant-progression-in-ovarian-cancer
#6
Min-Wei Chen, Shu-Ting Yang, Ming-Hsien Chien, Kuo-Tai Hua, Chin-Jui Wu, Sheng-Mou Hsiao, Hao Lin, Michael Hsiao, Jen-Liang Su, Lin-Hung Wei
Ovarian cancer spheroids constitute a metastatic niche for transcoelomic spread that also engenders drug resistance. Spheroid-forming cells express active STAT3 signaling and display stem cell-like properties that may contribute to ovarian tumor progression. In this study, we show that STAT3 is hyperactivated in ovarian cancer spheroids and that STAT3 disruption in this setting is sufficient to relieve chemoresistance. In an NSG murine model of human ovarian cancer, STAT3 signaling regulated spheroid formation and self-renewal properties, whereas STAT3 attenuation reduced tumorigenicity...
February 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28209595/prediagnosis-leukocyte-telomere-length-and-risk-of-ovarian-cancer
#7
Meng Yang, Jennifer Prescott, Elizabeth M Poole, Megan S Rice, Laura D Kubzansky, Annika Idahl, Eva Lundin, Immaculata De Vivo, Shelley S Tworoger
Background: The associations between telomere length and cancer risk are equivocal, and none have examined the association between prediagnosis leukocyte telomere length (LTL) and the risk of developing ovarian cancer.Methods: We prospectively measured LTL collected from 442 ovarian cancer cases and 727 controls in the Nurses' Health Studies and the Northern Sweden Health and Disease Study. Cases were matched to one or two controls on age, menopausal status, and date of blood collection. Odds ratios (OR) and 95% confidence intervals (CI) were estimated using conditional logistic regression...
February 16, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28208869/mature-cystic-teratoma-with-co-existent-mucinous-cystadenocarcinoma-in-the-same-ovary-a-diagnostic-dilemma
#8
Sanjeet Roy, Sramana Mukhopadhayay, Mayank Gupta, Anuradha Chandramohan
Mature cystic teratoma co-existing with a mucinous cystadenocarcinoma is an infrequently encountered entity with only a handful of cases reported till date. The possibilities in such a case are either a malignant transformation of a benign teratoma into adenocarcinoma or a collision tumor between a mature cystic teratoma and a mucinous tumour of either a primary ovarian surface epithelial-stromal origin or a secondary from a primary gastrointestinal tract tumour. The importance of distinguishing between the two entities has significant bearing on subsequent therapeutic management...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207528/idiopathic-retroperitoneal-fibrosis-causing-unilateral-ureteral-and-sigmoid-colon-obstruction-a-case-report
#9
Ting Yan, Yujuan Wang, Zhijun Liu, Xiaolei Zhang, Qian Wu, Mingrong Xi
OBJECTIVE: The present report aimed to present a unique case of idiopathic retroperitoneal fibrosis (RPF) presenting features of unilateral ureteral and sigmoid colon obstruction. RPF is a rare disorder with unclear etiology. CASE REPORT: A 43-year-old female had a 10-day history of lower right abdominal and lumbar pain. Gynecological examination, ultrasound, and computed tomography (CT) were all suggestive of right ovarian tumor. An enhanced CT showed right-sided hydronephrosis...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28206954/rassf1a-promoter-methylation-in-high-grade-serous-ovarian-cancer-a-direct-comparison-study-in-primary-tumors-adjacent-morphologically-tumor-cell-free-tissues-and-paired-circulating-tumor-dna
#10
Lydia Giannopoulou, Issam Chebouti, Kitty Pavlakis, Sabine Kasimir-Bauer, Evi S Lianidou
The RASSF1A promoter is frequently methylated in high-grade serous ovarian cancer (HGSC). We examined RASSF1A promoter methylation in primary tumors, adjacent morphologically tumor cell-free tissues and corresponding circulating tumor DNA (ctDNA) samples of patients with HGSC, using a real-time methylation specific PCR (real-time MSP) and a methylation-sensitive high-resolution melting analysis (MS-HRMA) assay for the detection and semi-quantitative estimation of methylation, respectively. Two groups of primary HGSC tumor FFPE samples were recruited (Group A n=67 and Group B n=61), along with matched adjacent morphologically tumor cell-free tissues (n=58) and corresponding plasma samples (n=59) for group B...
February 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28205191/novel-and-expanded-oncology-drug-approvals-of-2016-part-1-new-options-in-solid-tumor-management
#11
REVIEW
Todd C Knepper, James Saller, Christine M Walko
The nonradiologic medical management of solid tumors has evolved from the use of traditional cytotoxic agents to modern targeted therapies, monoclonal antibodies, and immunotherapies. Advances in the understanding of cancer biology and therapeutic strategies have resulted in increasing numbers of new drug applications and approvals. Consequently, practicing oncologists need to learn how the newly available agents function and what toxicities to watch for, as well as ways to optimize the use of both new drugs and previously approved drugs with new indications...
February 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28205047/pre-diagnosis-insulin-like-growth-factor-i-and-risk-of-epithelial-invasive-ovarian-cancer-by-histological-subtypes-a-collaborative-re-analysis-from-the-ovarian-cancer-cohort-consortium
#12
Jennifer Ose, Helena Schock, Elizabeth M Poole, Matti Lehtinen, Kala Visvanathan, Kathy Helzlsouer, Julie E Buring, I-Min Lee, Anne Tjønneland, Marie-Christine Boutron-Ruault, Antonia Trichopoulou, Amalia Mattiello, N Charlotte Onland-Moret, Elisabete Weiderpass, María-José Sánchez, Annika Idahl, Ruth C Travis, Sabina Rinaldi, Melissa A Merritt, Nicolas Wentzensen, Shelley S Tworoger, Rudolf Kaaks, Renée T Fortner
PURPOSE: Biologic evidence suggests that the Insulin-like growth factor (IGF)-family may be involved in the etiology of epithelial invasive ovarian cancer (EOC). However, prospective studies investigating the role of IGF-I in ovarian carcinogenesis have yielded conflicting results. METHODS: We pooled and harmonized data from 6 case-control studies nested within the Ovarian Cancer Cohort Consortium to investigate the association between pre-diagnosis IGF-I concentrations and subsequent risk of EOC...
February 16, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28202851/expression-of-inorganic-pyrophosphatase-ppa1-correlates-with-poor-prognosis-of-epithelial-ovarian-cancer
#13
Hui Li, Ning Xiao, Zongpeng Li, Qin Wang
Ovarian serous carcinoma (OSC) is the most common epithelial ovarian cancer. Inorganic pyrophosphatase (PPA1) catalyzes the hydrolysis of pyrophosphate to inorganic phosphate, thereby providing extra energy for metabolism. The significance of PPA1 in the prognosis of OSC has not been investigated. Our study aimed to explore the expression and predictive role of PPA1 in OSC progression. We screened the expression of PPA1 protein in OSC tissues from 139 patients by immunohistochemistry, and evaluated its correlation with clinicopathological characteristics...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28202637/supplemental-selenium-may-decrease-ovarian-cancer-risk-in-african-american-women
#14
Paul D Terry, Bo Qin, Fabian Camacho, Patricia G Moorman, Anthony J Alberg, Jill S Barnholtz-Sloan, Melissa Bondy, Michele L Cote, Ellen Funkhouser, Kristin A Guertin, Edward S Peters, Ann G Schwartz, Joellen M Schildkraut, Elisa V Bandera
Background: To our knowledge, no previous study has evaluated the associations of antioxidant intake with the risk of ovarian cancer in African-American women, who are known to have high mortality from the disease.Objective: We sought to evaluate these associations among 406 ovarian cancer cases and 632 age- and site-matched controls of African-American descent recruited from AACES (African American Cancer Epidemiology Study), a population-based, case-control study in 11 geographical areas within the United States...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28202518/prolactin-receptor-mediated-internalization-of-imaging-agents-detects-epithelial-ovarian-cancer-with-enhanced-sensitivity-and-specificity
#15
Karthik M Sundaram, Yilin Zhang, Anirban K Mitra, Jean-Louis K Kouadio, Katja Gwin, Brian R Roman, Anthony A Kossiakoff, Ernst Lengyel, Joseph Piccirilli
Poor prognosis of ovarian cancer (OvCa), the deadliest of the gynecologic malignancies, reflects major limitations associated with detection and diagnosis. Current methods lack high sensitivity to detect small tumors and high specificity to distinguish malignant from benign tissue, both impeding diagnosis of early and metastatic cancer stages and leading to costly and invasive surgeries. Tissue microarray analysis revealed that >98% of OvCa express the prolactin receptor (PRLR), forming the basis of a new molecular imaging strategy...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28202195/long-term-ototoxicity-in-women-after-cisplatin-treatment-for-ovarian-germ-cell-cancer
#16
Jakob Skalleberg, Olesya Solheim, Sophie D Fosså, Milada Cvancarova Småstuen, Terje Osnes, Per Ole M Gundersen, Marie Bunne
OBJECTIVE: Evaluate long-term cisplatin-induced ototoxicity in women treated for malignant ovarian germ cell tumors (MOGCT). METHODS: Seventy-four women treated for MOGCT in Norway (1980-2009) were analyzed: 41 had received cisplatin-based chemotherapy (CBCT) ("Cases") and 33 had no CBCT ("Controls"). Median follow-up was 15years. Hearing was assessed by pure tone audiometry and by the SCIN questionnaire. Air conduction thresholds were reported as absolute hearing thresholds and age-adjusted thresholds...
February 12, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28199976/elf3-is-a-negative-regulator-of-epithelial-mesenchymal-transition-in-ovarian-cancer-cells
#17
Tsz-Lun Yeung, Cecilia S Leung, Kwong-Kwok Wong, Arthur Gutierrez-Hartmann, Joseph Kwong, David M Gershenson, Samuel C Mok
Transcription factors are master switches for various biochemical pathways. However, transcription factors involved in the pathogenesis of ovarian cancer have yet to be explored thoroughly. Therefore, in the present study, we assessed the prognostic value of the transcription factor E74-like factor 3 (ELF3) identified via transcriptome profiling of the epithelial components of microdissected ovarian tumor samples isolated from long- and short-term survivors and determined its roles in ovarian cancer pathogenesis...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28199067/human-epididymis-protein-4-immunostaining-of-malignant-ascites-differentiates-cancer-of-m%C3%A3-llerian-origin-from-gastrointestinal-cancer
#18
Anna Stiekema, Koen K Van de Vijver, Henk Boot, Annegien Broeks, Catharina M Korse, Willemien J van Driel, Gemma G Kenter, Christianne A R Lok
BACKGROUND: An accurate diagnosis of cancer of Müllerian origin is required before the initiation of treatment. An overlap in clinical presentation and cytological, histological, or imaging studies with other nongynecological tumors does occur. Therefore, immunocytochemistry markers are used to determine tumor origin. Human epididymis protein 4 (HE4) is overexpressed in tissue of epithelial ovarian cancer (EOC). It has shown to be a sensitive and specific serum marker for EOC and to be of value for the differentiation between EOC and ovarian metastases of gastrointestinal origin...
February 15, 2017: Cancer
https://www.readbyqxmd.com/read/28198168/clinical-statistics-of-gynecologic-cancers-in-japan
#19
REVIEW
Wataru Yamagami, Satoru Nagase, Fumiaki Takahashi, Kazuhiko Ino, Toru Hachisuga, Daisuke Aoki, Hidetaka Katabuchi
Cervical, endometrial, and ovarian cancers, have both high morbidity and mortality among the gynecologic malignant tumors in Japan. The present study was conducted using both the population-based cancer registry and the gynecologic cancer registry to elucidate the characteristics of gynecologic malignant tumors in Japan. Based on nationwide estimates from the population-based cancer registry in Japan, the morbidities and mortality of cervical, endometrial, and ovarian cancers were obtained and used for analysis...
March 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/28197366/compensatory-upregulation-of-pd-1-lag-3-and-ctla-4-limits-the-efficacy-of-single-agent-checkpoint-blockade-in-metastatic-ovarian-cancer
#20
Ruea-Yea Huang, Ariel Francois, Aj Robert McGray, Anthony Miliotto, Kunle Odunsi
Tumor-associated or -infiltrating lymphocytes (TALs or TILs) co-express multiple immune inhibitory receptors that contribute to immune suppression in the ovarian tumor microenvironment (TME). Dual blockade of PD-1 along with LAG-3 or CTLA-4 has been shown to synergistically enhance T-cell effector function, resulting in a delay in murine ovarian tumor growth. However, the mechanisms underlying this synergy and the relative contribution of other inhibitory receptors to immune suppression in the ovarian TME are unknown...
2017: Oncoimmunology
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