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An Jen Chiang,Min-Yu Chen,Chia-Sui Weng,Hao Lin,Chien-Hsing Lu,Peng-Hui Wang,Yu-Fang Huang,Ying-Cheng Chiang,Mu-Hsien Yu,Chih-Long Chang 대한부인종양학회 2017 Journal of Gynecologic Oncology Vol.28 No.5
Objective: The malignant transformation (MT) of ovarian mature cystic teratoma (MCT)to squamous cell carcinoma (SCC) is very rare. This study analyzed cases from multiplemedical centers in Taiwan to investigate the clinicopathologic characteristics, treatment, andprognostic factors of this disease and reviewed related literature. Methods: Pathological reports of 16,001 patients with primary ovarian cancer who weretreated at Taiwan medical centers from 1990 to 2011 were reviewed. In total, 52 patients withMT of MCT to SCC were identified. Results: Among all ovarian MCTs, the incidence of MT to SCC is 0.2%. The median age ofpatients was 52 years (range, 29–89 years), and the mean tumor size was 10.5 cm (range, 1–40cm). We analyzed the patients in our study and those in the literature and determined thatearly identification and complete surgical resection of the tumor are essential for long-termsurvival. In addition, adjuvant chemotherapy or concurrent chemoradiotherapy can be usedto treat this malignancy. Old age, large tumor size (≥15.0 cm), and solid components in MCTsare suitable indicators predicting the risk of MT of MCT to SCC. Conclusion: Similar to general epithelial ovarian cancers, the early detection of MT of MCTto SCC is critical to long-term survival. Therefore, older patients with a large tumor or those with a tumor containing a solid component in a clinically diagnosed MCT should beevaluated to exclude potential MT to SCC.
The Presence of Borrelia valaisiana-Related Genospecies in Ticks and a Rodent in Taiwan
Chun-Man Huang,Hsi-Chieh Wang,Ying-Chun Lin,Shih-Hui Chiu,Ying-Shun Kao,Pei-Lung Lee,Hsiu-I Wang,Ruei-Chen Hung,Huang-I Chan,Ho-Sheng Wu,Chuen-Sheue Chiang,Jung-Jung Mu 한국미생물학회 2010 The journal of microbiology Vol.48 No.6
A field survey was conducted to investigate the presence of Borrelia burgdorferi sensu lato (s.l.) in six counties of Taiwan. Spirochetes were successfully isolated from one rodent ear sample out of 485 rodent ears and 53live, fed tick (Ixodes granulatus) samples. The spirochetes were confirmed to be B. burgdorferi s.l. by real-time PCR. In addition, 23 of 113 tick samples were tested positive for Borrelia DNA according to real-time PCR. The Borrelia isolate from the rodent and the 23 Borrelia DNA samples from the ticks were identified as B. valaisiana-related genospecies by phylogenetic analysis based on flagellin gene sequences. These findings suggest that the Borrelia valaisiana-related strains are maintained in a zoonotic cycle between tick vectors and reservoir hosts in Taiwan.
Yu-Chi Li,Yin-Hsun Feng,Hui-Ying Chiang,Shu-Ching Ma,Hsiu-Hung Wang 한국간호과학회 2020 Asian Nursing Research Vol.14 No.4
Purpose: The aim of the study was to determine the effectiveness of dignity therapy for end-of-lifepatients with cancer. Methods: This study used a quasi-experimental study design with a nonrandomized controlled trial. Dignity therapy was used as an intervention in the experimental group, and general visit was used in thecontrol group. Thirty end-of-life patients with cancer were recruited, with 16 in the experimental groupand 14 in the control group. Outcome variables were the participants' dignity, demoralization, anddepression. Measurements were taken at the following time points: pre-test (before intervention), posttest1 (the 7th day), and post-test 2 (the 14th day). The effectiveness of the intervention in the twogroups was analyzed using the generalized estimating equation, with the p value set to be less than .05. Results: After dignity therapy, the end-of-life patients with cancer reflected increased dignity significantly[b ¼ 37.08, standard error (SE) ¼ 7.43, Wald c2 ¼ 24.94, p < .001], whereas demoralization(b¼ 39.55, SE ¼ 6.42,Wald c2 ¼ 37.95, p < .001) and depression (b¼ 12.01, SE ¼ 2.17,Wald c2 ¼ 30.71,p < .001) were both reduced significantly. Conclusion: Clinical nurses could be adopting dignity therapy to relieve psychological distress andimprove spiritual need in end-of-life patients with cancer. Future studies might be expanded tolooking at patients vis- a-vis end-of-life patients without cancer to improve their psychologicaldistress. These results provide reference data for the care of end-of-life patients with cancer fornursing professionals.
Chien-Hang Ni,Jing-Gung Chung,Po-Yuan Chen,Hsu-Feng Lu,Jai-Sing Yang,Hui-Ying Huang,Shin-Hwar Wu,Siu-Wan Ip,Chin-Tung Wu,Su-Yin Chiang,Jaung-Geng Lin,W. Gibson Wood 대한약학회 2012 Archives of Pharmacal Research Vol.35 No.5
Liver cancer is the most common form of cancer in Taiwan and it usually responds to chemotherapy. However, patients often have side effects to the chemotherapeutic drugs. Thus new agents are urgently required to treat liver cancer. Chrysophanol, one of the anthraquinone derivatives, was reported to inhibit some human cancer cell growth which may be due to the induction of apoptosis similar to other anthraquinone derivatives though such actions have not been reported. In the present study, we reported that chrysophanol inhibits cell growth in Hep3B liver cancer cells based on the following observations: 1) induc cell morphological changes; 2) decreased percentage of viable cells; 3) induced S phase arrest of cell cycle progression; 4) induced DNA damage as measured by comet assay and DAPI staining. Chrysophanolinduced cell death however, seems to be related to necrotic processes rather than typical apoptosis. Chrysophanol induced reactive oxygen species and Ca2+ production and decreased mitochondrial membrane potential (ΔΨm) and ATP levels in Hep3B cells. No effects were observed on known protein regulators of apoptosis such as Bax and Bcl-2. Chrysophanolinduced cell death took place independently of caspase-8 and -9. Based on our findings, we propose that chrysophanol reduces cellular ATP levels causing a drop in energy resulting in necrotic-like cell death.