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Zhining Liu, Weidong Ren, Jintao Guo, Ying Zhao, Siyu Sun, Yuhong Li, Zhijun Liu
OBJECTIVE: Transabdominal ultrasound after oral administration of an echoic cellulose-based gastric ultrasound contrast agent (TUS-OCCA) has recently been suggested as a valuable mass-screening tool for gastric cancer. The aim of this study was to propose a producible stomach ultrasound reporting and data system (Su-RADS) using TUS-OCCA for gastric cancer screening. PATIENTS: The study includes information of 2738 patients who underwent both gastroscopy and TUS-OCCA examinations recorded in software system...
January 25, 2018: Gastric Cancer
Zhijun Liu, Jintao Guo, Shupeng Wang, Ying Zhao, Zhining Liu, Jing Li, Weidong Ren, Shaoshan Tang, Limei Xie, Ying Huang, Siyu Sun, Liping Huang
The aim of this study was to assess the role of transabdominal ultrasound with cellulose-based oral contrast agent (TUS-OCCA) in the detection and surveillance of gastric ulcer. The study was approved by the institutional review board at Shengjing Hospital of China Medical University. A total of 124 consecutive patients with benign gastric ulcer diagnosed by gastroscopy and biopsy were enrolled. Serial TUS-OCCA (approximately 1 exam every 2 wk) was performed to monitor the effects of treatment, and additional interventions were planned according to the results...
July 2017: Ultrasound in Medicine & Biology
Aurora Occa, Susan E Morgan, JoNell E Potter
Clinical trials and research studies often fail to recruit participants from the minorities, hampering the generalizability of results. In order to mitigate this problem, the present study investigated how race/ethnicity affects the process of recruiting people from racial and ethnic minority groups, by conducting 11 focus groups with professional recruiters. Several themes emerged, such as how to adapt to potential participants' language competency and literacy levels, the importance to engage in culturally appropriate verbal and non-verbal communication, and to establish a sense of homophily between recruiters and patients...
April 2018: Journal of Racial and Ethnic Health Disparities
Aurora Occa, Susan E Morgan
In order to advance medical care, it is necessary to invest resources, both human and financial, in medical research. However, these investments sometimes are not sufficient to ensure the success of research studies. No progress can be made without the participation of patients in research studies and clinical trials. These potential participants are normally identified by their physicians, or by professional recruiters, depending on the patient clinical profile. However, often patients are intimidated by the idea of engaging in clinical trials for several reasons, including the fear of side effects, to the difficulty of understanding specific research-related terms...
November 2016: Recenti Progressi in Medicina
C Evans, K Turner, L S Suggs, A Occa, A Juma, H Blake
No abstract text is available yet for this article.
September 8, 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...
July 28, 2016: BMC Public Health
Susan E Morgan, Aurora Occa, Ashton Mouton, 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...
April 2017: 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...
November 25, 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
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