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C Evans, K Turner, L S Suggs, A Occa, A Juma, H Blake
No abstract text is available yet for this article.
2016: BMC Public Health
C Evans, K Turner, L S Suggs, A Occa, A Juma, H Blake
BACKGROUND: HIV-related mHealth interventions have demonstrable efficacy in supporting treatment adherence, although the evidence base for promoting HIV testing is inconclusive. Progress is constrained by a limited understanding of processes used to develop interventions and weak theoretical underpinnings. This paper describes a research project that informed the development of a theory-based mHealth intervention to promote HIV testing amongst city-dwelling African communities in the conditions...
2016: BMC Public Health
Susan E Morgan, Ashton Mouton, Aurora Occa, JoNell Potter
Few studies have examined the communication behaviors of those who recruit for clinical trials and research studies, particularly of nonmedical professionals who often do the bulk of recruiting. This focus-group study of 63 recruiters analyzes the ways in which nonverbal communication behaviors support the process of recruitment, using the lens of communication accommodation theory. Results indicate that recruiters first "read" potential study participants' nonverbal communication for clues about their state of mind, then use nonverbal communication to achieve a sense of convergence...
June 17, 2016: Health Communication
Susan E Morgan, Ashton Mouton, Aurora Occa, Jonell Potter
The lack of accrual to research studies and clinical trials is a persistent problem with serious consequences: Advances in medical science depend on the participation of large numbers of people, including members of minority and underserved populations. The current study examines a critical determinant of accrual: the approach of patients by professional recruiters who request participation in research studies and clinical trials. Findings indicate that recruiters use a number of verbal strategies in the communication process, including translating study information (such as simplifying, using examples, and substituting specific difficult or problematic words), using linguistic reframing or metaphors, balancing discussions of research participation risks with benefits, and encouraging potential participants to ask questions...
July 2016: Journal of Health Communication
Binghui Zheng, Liping Wang, Kun Lei, Bingxu Nan
Polycyclic aromatic hydrocarbons (PAHs) contamination was investigated in concurrently sampled surface water, suspended particulate matter (SPM) and sediment of Daliao River estuary and the adjacent area, China. The total concentrations of PAHs ranged from 71.12 to 4255.43 ng/L in water, from 1969.95 to 11612.21 ng/L in SPM, and from 374.84 to 11588.85 ng/g dry weight (dw) in sediment. Although the 2-3 ring PAHs were main PAH congeners in water and SPM, the 4-6 ring PAHs were also detected and their distribution was site-specific, indicating a very recent PAHs input around the area since they were hydrophobic...
April 2016: Chemosphere
Zhijun Liu, Jintao Guo, Shupeng Wang, Ying Zhao, Jing Li, Weidong Ren, Shaoshan Tang, Limei Xie, Ying Huang, Siyu Sun, Liping Huang
BACKGROUND: With the remarkable improvements in ultrasound equipment, transabdominal ultrasound after oral administration of an echoic cellulose-based gastric ultrasound contrast agent (TUS-OCCA) has recently been suggested to be effective in initial screening of gastric cancer. The aim of this study was to evaluate the diagnostic value of TUS-OCCA for gastric cancer. METHODS: Consecutive patients with gastric cancers who underwent resection in our hospital were enrolled...
2015: BMC Cancer
Claire M King, Cynthia Barbara, Andrew Prentice, James D Brenton, D Stephen Charnock-Jones
Endometriosis is a common benign gynaecological condition affecting at least 10% of women of childbearing age and is characterized by pain--frequently debilitating. Although the exact prevalence is unknown, the economic burden is substantial (∼$50 billion a year in the USA alone) and it is associated with considerable morbidity. The development of endometriosis is inextricably linked to the process of menstruation and thus the models that best recapitulate the human disease are in menstruating non-human primates...
January 2016: Journal of Pathology
Aurora Occa, L Suzanne Suggs
Cancer is one of the leading causes of death around the world. Mortality from breast cancer can be reduced if the cancer is detected early enough. It is important to find effective communication that encourages early detection of breast cancer. This study aimed to measure differences between narrative and didactic communication on breast cancer awareness, knowledge of appropriate diagnostic exams, attitude toward breast self-exam, and intention to screen for breast cancer through a breast self-exam. It further aimed to test whether any differences in outcomes were associated with the format used to deliver the communication: video or infographic...
2016: Journal of Health Communication
Yuji Ikeda, Katsutoshi Oda, Hiroyuki Aburatani, Kei Kawana, Yutaka Osuga, Tomoyuki Fujii
•Primary vaginal clear cell adenocarcinoma (PVCCA) coexists with urinary tract anomalies without exposure to diethylstilbestrol in some cases.•PVCCA in our case showed genetic alterations of well-known cancer related genes, including a mutation of PIK3CA.•The genetic profile suggests that the carcinogenesis of PVCCA might have elements common with that of OCCA.
December 2014: Gynecologic Oncology Reports
Chi-An Chen, Ying-Cheng Chiang, Ming-Cheng Chang, Yu-Hao Hu, San-Lin You, Yeu-Yao Kevin Cheng, Cheng-Yang Chou, Wen-Fang Cheng
Ovarian cancer is a cancer of high mortality. Aberrant gene methylation of tumor suppressor genes has been shown to be related to the development of malignancy. This study aimed to investigate the methylation of various genes in ovarian clear cell adenocarcinoma (OCCA) and ovarian endometrioid adenocarcinoma (OEA) and evaluate methylation biomarkers in terms of patient chemo-response and outcome. Eight candidate genes from 66 OCCA and 51 OEA patients were evaluated by methylation-specific polymerase chain reaction and capillary electrophoresis...
2015: American Journal of Translational Research
S Miller, M Jungheim, C Schwemmle, S Schoof, M Ptok
UNLABELLED: Inducible Laryngeal Obstruction vs. Bronchial -Asthma Background: Inducible laryngeal obstructions (ILO) represent paroxysmal and sometimes severe dyspnea caused by different factors. Symptomatically ILO resembles bronchial asthma and is therefore often misdiagnosed. In the following 3 cases regarding a special type of ILO, the exercise induced laryngeal obstruction (EILO) will be presented. It will also be demonstrated, how EILO can be diagnosed and differentiated from bronchial asthma...
October 2014: Laryngo- Rhino- Otologie
Meiling Lv, Yuyao Li, Changqin Luo, Peijun Liu, Jin Yang
Splenic metastasis of ovarian cancer appears to be more common in serous cystadenocarcinomas. Splenic metastasis usually occurs postoperatively and simultaneously with dissemination to the greater omentum and pelvic cavity. Compared with other ovarian cancer subtypes, ovarian clear cell adenocarcinoma (OCCA) is rare, accounting for <5% of all ovarian malignancies. OCCA has a distinct histological type with poor prognosis and resistance to platinum-based chemotherapy. In the present study, a case of isolated splenic metastasis of OCCA was reported...
April 2014: Experimental and Therapeutic Medicine
Tomoko Kashiyama, Katsutoshi Oda, Yuji Ikeda, Yoshinobu Shiose, Yasuhide Hirota, Kanako Inaba, Chinami Makii, Reiko Kurikawa, Aki Miyasaka, Takahiro Koso, Tomohiko Fukuda, Michihiro Tanikawa, Keiko Shoji, Kenbun Sone, Takahide Arimoto, Osamu Wada-Hiraike, Kei Kawana, Shunsuke Nakagawa, Koichi Matsuda, Frank McCormick, Hiroyuki Aburatani, Tetsu Yano, Yutaka Osuga, Tomoyuki Fujii
DS-7423, a novel, small-molecule dual inhibitor of phosphatidylinositol-3-kinase (PI3K) and mammalian target of rapamycin (mTOR), is currently in phase I clinical trials for solid tumors. Although DS-7423 potently inhibits PI3Kα (IC50 = 15.6 nM) and mTOR (IC50 = 34.9 nM), it also inhibits other isoforms of class I PI3K (IC50 values: PI3Kβ = 1,143 nM; PI3Kγ = 249 nM; PI3Kδ = 262 nM). The PI3K/mTOR pathway is frequently activated in ovarian clear cell adenocarcinomas (OCCA) through various mutations that activate PI3K-AKT signaling...
2014: PloS One
Kanako Shinjo, Yoriko Yamashita, Eiko Yamamoto, Shinya Akatsuka, Nozomi Uno, Akihiro Kamiya, Kaoru Niimi, Yuka Sakaguchi, Tetsuro Nagasaka, Takashi Takahashi, Kiyosumi Shibata, Hiroaki Kajiyama, Fumitaka Kikkawa, Shinya Toyokuni
Ovarian cancer is the most lethal gynecologic malignancy, and clear cell adenocarcinoma of the ovary (OCCA), in particular, has a relatively poor prognosis among the ovarian cancer subtypes because of its high chemoresistance. Chromobox (CBX) 7 is a polycomb repressive complex 1 component that prolongs the lifespan of normal human cells by downregulating the INK4a/ARF expression which promotes cell-cycle progression. However, recent reports studying the relationship between CBX7 expression and patient survival have differed regarding the tumor cell origins, and the precise role of CBX7 in human carcinomas remains obscure...
July 15, 2014: International Journal of Cancer. Journal International du Cancer
Zhijun Liu, Jintao Guo, Siyu Sun, Weidong Ren, Shaoshan Tang, Limei Xie, Liping Huang
PURPOSE: To assess the role of transabdominal ultrasound after oral administration of an echoic cellulose-based gastric contrast agent (TUS-OCCA) for detection and characterization of small gastric subepithelial masses (≤3 cm) by comparison with endosonography (EUS). METHODS: Ninety-five patients with small gastric subepithelial masses detected by gastroscopy examination were enrolled. For each patient, TUS-OCCA was performed prior to EUS by a skilled examiner...
April 2014: Abdominal Imaging
F G Horgan, D T Quiring, A Lagnaoui, Y Pelletier
In the inter-Andean valleys of central Perú, two species of tuber moth, Phthorimaea operculella (Zeller) and Symmetrischema tangolias (Gyen), often occur simultaneously in stored potatoes. Traditional farming communities in the region produce a variety of native potatoes for local consumption. These include Solanum tuberosum subsp. andigena, the presumed predecessor of commercial potatoes, S. tuberosum subsp. tuberosum. In this study, we examined resistance against P. operculella in ten native Peruvian potato varieties (Casa blanca, Chispiadita, Madre de vaca, Mamaco negro, Misha, Chorisa, Mamaco rosado, Occa papa, Vacapa jayllo, and Yana tornasol)...
August 2012: Neotropical Entomology
Chun-yu Zhang, Hong-yan Guo, Hua Li, Hong-wu Wen, Xu-dong Liang, Jie Qiao
OBJECTIVE: To investigate the clinical features and factors involved in the drug resistance and prognosis of ovarian clear cell adenocarcinoma (OCCA). METHODS: Forty-seven OCCA patients and 53 ovarian serous cyst adenocarcinoma (OSCA) patients were included in this study. Their clinical characteristics, drug resistance, and prognostic factors were analyzed. RESULTS: The onset age of OCCA was (49.09 + 11.80) years old, and that of OSCA was (55...
September 2012: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
Chih-Ming Ho, Chi-Jung Huang, Chia-Yen Huang, Yih-Yiing Wu, Shwu-Fen Chang, Wen-Fang Cheng
BACKGROUND: This study is to analyze promoter methylation of various tumor suppressor genes in different types of ovarian carcinoma and to identify potential therapeutic targets of ovarian clear cell adenocarcinoma (OCCA). MATERIALS AND METHODS: The promoter methylation statuses of 40 genes in primary ovarian carcinomas including 47 clear- and 63 non-clear-cell type tissues, 6 OCCA cell lines, 29 benign ovarian endometriotic cysts, and 31 normal controls were analyzed by methylation-specific multiplex ligation-dependent probe amplification (MS-MLPA)...
2012: Molecular Cancer
S Komiyama, D Aoki, E Saitoh, M Komiyama, Y Udagawa
PURPOSE: Ovarian clear cell adenocarcinoma (OCCA) has been reported to display different characteristics from other histological types of epithelial ovarian cancer, and especially differs from serous adenocarcinoma. We investigated plasminogen activator inhibitor-1 (PAI-1) expression in patients with OCCA and attempted to assess its biological significance. METHODS: Fifty-seven patients with OCCA were enrolled. We used formalin-fixed, paraffin-embedded sections of the primary tumor obtained at the first operation to investigate the immunohistochemical expression of PAI-1 and the association of PAI-1 expression with various clinicopathologic factors...
2011: European Journal of Gynaecological Oncology
Jing Zhu, Keqin Hua, Hong Sun, Yinhua Yu, Hongyan Jin, Youji Feng
Ovarian clear cell adenocarcinoma (OCCA) is an aggressive ovarian malignancy with a poor prognosis. The role of estrogen receptor β (ERβ) in the development of OCCA remains to be clarified. To investigate the action of ERβ in the proliferation and invasion of OCCA cells, the ES-2 cell line was stably transfected with full-length human ERβ cDNA, and clones were screened and identified using RT-PCR and western blot assay. ERβ stable transfectants, referred to as ESβ1 and ESβ2 cells, were compared with mock transfectant ESVE and parental ES-2 cells with respect to their growth, motility and ability to activate target genes...
December 2011: Oncology Reports
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