1.Glypican-3:A molecular marker for the detection and treatment of hepatocellular carcinoma
Shih TSUNG-CHIEH ; Wang LIJUN ; Wang HSIAO-CHI ; Wan Yvonne YU-JUI
Liver Research 2020;4(4):168-172
Hepatocellular carcinoma(HCC)is a malignant tumor with a fairly poor prognosis(5-year survival of less than 50%).Using sorafenib,the only food and drug administration(FDA)-approved drug,HCC cannot be effectively treated;it can only be controlled at most for a couple of months.There is a great need to develop efficacious treatment against this debilitating disease.Glypican-3(GPC3),a member of the glypican family that attaches to the cell surface by a glycosylphosphatidylinositol anchor,is overex-pressed in HCC cases and is elevated in the serum of a large proportion of patients with HCC.GPC3 expression contributes to HCC growth and metastasis.Furthermore,several different types of antibodies targeting GPC3 have been developed.The aim of this review is to summarize the current literatures on the GPC3 expression in human HCC,molecular mechanisms of GPC3 regulation and antibodies targeting GPC3.
2.Novel Compound Heterozygous Mutations in the SYNE1 Gene in a Taiwanese Family: A Case Report and Literature Review
Chia-Yan KUO ; Pei Shan YU ; Chih-Ying CHAO ; Chun-Chieh WANG ; Wen-Lang FAN ; Yih-Ru WU
Journal of Movement Disorders 2023;16(2):202-206
Mutations in the synaptic nuclear envelope protein 1 (SYNE1) gene are associated with substantial clinical heterogeneity. Here, we report the first case of SYNE1 ataxia in Taiwan due to two novel truncating mutations. Our patient, a 53-year-old female, exhibited pure cerebellar ataxia with c.1922del in exon 18 and c. C3883T mutations in exon 31. Previous studies have indicated that the prevalence of SYNE1 ataxia among East Asian populations is low. In this study, we identified 27 cases of SYNE1 ataxia from 22 families in East Asia. Of the 28 patients recruited in this study (including our patient), 10 exhibited pure cerebellar ataxia, and 18 exhibited ataxia plus syndromes. We could not find an exact correlation between genotypes and phenotypes. Additionally, we established a precise molecular diagnosis in our patient’s family and extended the findings on the ethnic, phenotypic, and genotypic diversity of the SYNE1 mutational spectrum.
3.Correlation between goose circovirus and goose parvovirus with gosling feather loss disease and goose broke feather disease in southern Taiwan
Chiu-Huang TING ; Chia-Ying LIN ; Yang-Chieh HUANG ; Shyh-Shyan LIU ; Shao-Yu PENG ; Chen-Wei WANG ; Hung-Yi WU
Journal of Veterinary Science 2021;22(1):e1-
Background:
Goslings in several Taiwanese farms experienced gosling feather loss disease (GFL) at 21–35 days and goose broke feather disease (GBF) at 42–60 days. The prevalence ranges from a few birds to 500 cases per field. It is estimated that about 12,000 geese have been infected, the morbidity is 70–80% and the mortality is 20–30%.
Objectives:
This study aims to investigate the pathogens that cause GFL and GBF. Focus on the study of the correlation between goose circovirus (GoCV) and goose parvovirus (GPV) with the goose feather loss in southern Taiwan. Furthermore, a phylogenetic tree was established to align the differences between southern and northern Taiwan and compare with virus strains from China and Europe.
Methods:
Samples were collected from animal hospitals. Molecular and microscopy diagnostics were used to examine 92 geese. Specific quantitative polymerase chain reaction (Q-PCR) assays are performed to evaluate GPV and GoCV viral loads and simultaneously evaluated the feather loss conditions in geese with the scoring method.
Results:
High prevalence of GoCV and GPV infection in geese showing signs of GFL and GBF. Inclusion body was detected in the feather follicles and Lieberkühn crypt epithelial cells. The Q-PCR showed the high correlation between feather loss and viruses during 3rd– 5th week. However, the infection was not detected using the same test in 60 healthy geese.
Conclusions
Thus, GFL and GBF appear to be significantly closely related to GoCV and GPV. The geese feathers showed increasing recovery after being quarantined and disinfected.
4.In-room cytologic evaluation by trained endosonographer for determination of procedure end in endoscopic ultrasound-guided fine needle biopsy of solid pancreatic lesions: a prospective study in Taiwan
Weng-Fai WONG ; Yu-Ting KUO ; Wern-Cherng CHENG ; Chia-Tung SHUN ; Ming-Lun HAN ; Chieh-Chang CHEN ; Hsiu-Po WANG
Clinical Endoscopy 2025;58(3):465-473
Background/Aims:
Endoscopic ultrasound-guided fine needle biopsy (EUS-FNB) is an essential tool for tissue acquisition in solid pancreatic tumors. Rapid on-site evaluation (ROSE) by cytologists ensures diagnostic accuracy. However, the universal application of the ROSE is limited by its availability. Therefore, we aimed to investigate the feasibility of determining the end of the procedure based on the results of in-room cytological evaluation by trained endosonographers (IRCETE).
Methods:
A training course focusing on the cytological interpretation of common pancreatic tumors was provided to the three endosonographers. After training, the decision to terminate EUS-FNB was made based on IRCETE results. The diagnostic accuracy, concordance rate of diagnostic categories, and sample adequacy were compared with those determined by board-certified cytologists and macroscopic on-site evaluation (MOSE).
Results:
We enrolled 65 patients with solid pancreatic tumors, most of whom were malignant (86.2%). The diagnostic accuracy was 90.8% when the end of the procedure was determined based on IRCETE, compared to 87.7% and 98.5% when determined by MOSE and cytologists, respectively (p=0.060). Based on the cytologists’ results, the accuracy of IRCETE in diagnostic category interpretation was 97.3%.
Conclusions
In the absence of ROSE, IRCETE can serve as a supplementary alternative to MOSE in determining the end of tissue sampling with a high accuracy rate.
5.In-room cytologic evaluation by trained endosonographer for determination of procedure end in endoscopic ultrasound-guided fine needle biopsy of solid pancreatic lesions: a prospective study in Taiwan
Weng-Fai WONG ; Yu-Ting KUO ; Wern-Cherng CHENG ; Chia-Tung SHUN ; Ming-Lun HAN ; Chieh-Chang CHEN ; Hsiu-Po WANG
Clinical Endoscopy 2025;58(3):465-473
Background/Aims:
Endoscopic ultrasound-guided fine needle biopsy (EUS-FNB) is an essential tool for tissue acquisition in solid pancreatic tumors. Rapid on-site evaluation (ROSE) by cytologists ensures diagnostic accuracy. However, the universal application of the ROSE is limited by its availability. Therefore, we aimed to investigate the feasibility of determining the end of the procedure based on the results of in-room cytological evaluation by trained endosonographers (IRCETE).
Methods:
A training course focusing on the cytological interpretation of common pancreatic tumors was provided to the three endosonographers. After training, the decision to terminate EUS-FNB was made based on IRCETE results. The diagnostic accuracy, concordance rate of diagnostic categories, and sample adequacy were compared with those determined by board-certified cytologists and macroscopic on-site evaluation (MOSE).
Results:
We enrolled 65 patients with solid pancreatic tumors, most of whom were malignant (86.2%). The diagnostic accuracy was 90.8% when the end of the procedure was determined based on IRCETE, compared to 87.7% and 98.5% when determined by MOSE and cytologists, respectively (p=0.060). Based on the cytologists’ results, the accuracy of IRCETE in diagnostic category interpretation was 97.3%.
Conclusions
In the absence of ROSE, IRCETE can serve as a supplementary alternative to MOSE in determining the end of tissue sampling with a high accuracy rate.
6.In-room cytologic evaluation by trained endosonographer for determination of procedure end in endoscopic ultrasound-guided fine needle biopsy of solid pancreatic lesions: a prospective study in Taiwan
Weng-Fai WONG ; Yu-Ting KUO ; Wern-Cherng CHENG ; Chia-Tung SHUN ; Ming-Lun HAN ; Chieh-Chang CHEN ; Hsiu-Po WANG
Clinical Endoscopy 2025;58(3):465-473
Background/Aims:
Endoscopic ultrasound-guided fine needle biopsy (EUS-FNB) is an essential tool for tissue acquisition in solid pancreatic tumors. Rapid on-site evaluation (ROSE) by cytologists ensures diagnostic accuracy. However, the universal application of the ROSE is limited by its availability. Therefore, we aimed to investigate the feasibility of determining the end of the procedure based on the results of in-room cytological evaluation by trained endosonographers (IRCETE).
Methods:
A training course focusing on the cytological interpretation of common pancreatic tumors was provided to the three endosonographers. After training, the decision to terminate EUS-FNB was made based on IRCETE results. The diagnostic accuracy, concordance rate of diagnostic categories, and sample adequacy were compared with those determined by board-certified cytologists and macroscopic on-site evaluation (MOSE).
Results:
We enrolled 65 patients with solid pancreatic tumors, most of whom were malignant (86.2%). The diagnostic accuracy was 90.8% when the end of the procedure was determined based on IRCETE, compared to 87.7% and 98.5% when determined by MOSE and cytologists, respectively (p=0.060). Based on the cytologists’ results, the accuracy of IRCETE in diagnostic category interpretation was 97.3%.
Conclusions
In the absence of ROSE, IRCETE can serve as a supplementary alternative to MOSE in determining the end of tissue sampling with a high accuracy rate.
7.A New Phenotype of TUBB4A Mutation in a Family With Adult-Onset Progressive Spastic Paraplegia and Isolated Hypomyelination Leukodystrophy: A Case Report and Literature Review
Pei‐Chen HSIEH ; Pei Shan YU ; Wen-Lang FAN ; Chun‐Chieh WANG ; Chih-Ying CHAO ; Yih‐Ru WU
Journal of Movement Disorders 2024;17(1):94-98
Tubulin beta 4A class IVa (TUBB4A) spectrum disorders include autosomal dominant dystonia type 4 or hypomyelination with atrophy of the basal ganglia and cerebellum (H-ABC syndrome). However, in rare cases, only mild hypomyelination in the cortex with no basal ganglia atrophy may be observed. We report a case of a family with TUBB4A mutation and complicated hereditary spasticity paraplegia (HSP). We performed quadro whole-exome sequencing (WES) on the family to identify the causative gene of progressive spastic paraparesis with isolated hypomyelination leukodystrophy. We identified a novel TUBB4A p.F341L mutation, which was present in all three affected patients but absent in the unaffected father. The affected patients presented with adult-onset TUBB4A disorder, predominant spastic paraparesis with/without ataxia, and brain hypomyelination with no cognitive impairment or extrapyramidal symptoms. In the literature, HSP is considered a TUBB4A spectrum disorder.
8. A cross-sectional study into the correlation of common household risk factors and allergic rhinitis in Taiwan's tropical environment
Yu-Hao WANG ; Yu-Chieh WANG ; Pi-Hsiung WU ; Hsing-Hao SU ; Lan HSU ; Chung-Yang WANG ; Chung-Ren JAN
Asian Pacific Journal of Tropical Medicine 2017;10(2):134-140
Objective To discuss the effect of lesser-known potential risk factors, such as bedroom showers, on the prevalence of allergic rhinitis. Method A cross-sectional, population-based study was performed using both survey and fungal culturing in southern Taiwan. There were 998 participants enrolled in the survey, and 513 sets of fungal culture obtained. With score for allergic rhinitis (SFAR) more than 7, the patient was defined to have allergic rhinitis. Risks of allergic rhinitis were calculated as odds ratios for various predicted risk factors by logistic regression. Correlation between predicted risk factors and fungal level were examined with linear regression. Results The adjusted odds ratio of frequently using bedroom shower to having allergic rhinitis was 1.572 (95% confidence interval: 1.090–2.265), and 0.962 for people with older age to have AR (95% confidence interval: 0.949–0.976). As to the 24-hour fungal level, the standardized coefficient was 0.254 for frequent use of bedroom shower, and 0.106 for window open hours. Conclusions Use of bedroom shower is a potential risk factor for allergic rhinitis development.
9.Evaluation of Malignancy Risk of Ampullary Tumors Detected by Endoscopy Using 2- 18FFDG PET/CT
Pei-Ju CHUANG ; Hsiu-Po WANG ; Yu-Wen TIEN ; Wei-Shan CHIN ; Min-Shu HSIEH ; Chieh-Chang CHEN ; Tzu-Chan HONG ; Chi-Lun KO ; Yen-Wen WU ; Mei-Fang CHENG
Korean Journal of Radiology 2024;25(3):243-256
Objective:
We aimed to investigate whether 2-[ 18F]fluoro-2-deoxy-D-glucose positron emission tomography/computed tomography (2-[ 18F]FDG PET/CT) can aid in evaluating the risk of malignancy in ampullary tumors detected by endoscopy.
Materials and Methods:
This single-center retrospective cohort study analyzed 155 patients (79 male, 76 female; mean age, 65.7 ± 12.7 years) receiving 2-[ 18F]FDG PET/CT for endoscopy-detected ampullary tumors 5–87 days (median, 7 days) after the diagnostic endoscopy between June 2007 and December 2020. The final diagnosis was made based on histopathological findings. The PET imaging parameters were compared with clinical data and endoscopic features. A model to predict the risk of malignancy, based on PET, endoscopy, and clinical findings, was generated and validated using multivariable logistic regression analysis and an additional bootstrapping method. The final model was compared with standard endoscopy for the diagnosis of ampullary cancer using the DeLong test.
Results:
The mean tumor size was 17.1 ± 7.7 mm. Sixty-four (41.3%) tumors were benign, and 91 (58.7%) were malignant. Univariable analysis found that ampullary neoplasms with a blood-pool corrected peak standardized uptake value in earlyphase scan (SUVe) ≥ 1.7 were more likely to be malignant (odds ratio [OR], 16.06; 95% confidence interval [CI], 7.13–36.18;P < 0.001). Multivariable analysis identified the presence of jaundice (adjusted OR [aOR], 4.89; 95% CI, 1.80–13.33; P = 0.002), malignant traits in endoscopy (aOR, 6.80; 95% CI, 2.41–19.20; P < 0.001), SUVe ≥ 1.7 in PET (aOR, 5.43; 95% CI, 2.00–14.72; P < 0.001), and PET-detected nodal disease (aOR, 5.03; 95% CI, 1.16–21.86; P = 0.041) as independent predictors of malignancy. The model combining these four factors predicted ampullary cancers better than endoscopic diagnosis alone (area under the curve [AUC] and 95% CI: 0.925 [0.874–0.956] vs. 0.815 [0.732–0.873], P < 0.001). The model demonstrated an AUC of 0.921 (95% CI, 0.816–0.967) in candidates for endoscopic papillectomy.
Conclusion
Adding 2-[ 18F]FDG PET/CT to endoscopy can improve the diagnosis of ampullary cancer and may help refine therapeutic decision-making, particularly when contemplating endoscopic papillectomy.
10.Association between Statin Use and Clinical Outcomes in Patients with De Novo Metastatic Prostate Cancer: A Propensity Score-weighted Analysis
Tzu Shuang CHEN ; Hui Ying LIU ; Yin Lun CHANG ; Yao Chi CHUANG ; Yen Ta CHEN ; Yu Li SU ; Chun Chieh HUANG ; Yen Ting WU ; Hung Jen WANG ; Hao Lun LUO
The World Journal of Men's Health 2024;42(3):630-637
Purpose:
Numerous studies have produced conflicting findings regarding the efficacy of statins in prostate cancer treatment. Our objective was to examine the correlation between statin usage and clinical outcomes in Taiwanese men with de novo metastatic prostate cancer.
Materials and Methods:
We identified patients diagnosed with de novo metastatic prostate cancer from the Chang Gung Research Database spanning the years 2007 to 2020. To minimize confounding bias, we employed the inverse probability of treatment weighting (IPTW) method. Clinical outcomes were assessed using IPTW-adjusted Kaplan-Meier curves. Multivariate Cox proportional hazard regression analysis was utilized to evaluate the association between mortality and clinical factors.
Results:
The study cohort comprised 1,716 statin users and 276 non-users. Patients who used statins exhibited a longer median overall survival (85.4 months compared to 58.2 months; p=0.001) and cancer-specific survival (112.6 months compared to 75.7 months; p<0.001) compared to non-users. The median time to the development of castration-resistant status was similar between statin users and non-users (p=0.069). Multivariable Cox proportional hazards regression analysis, after IPTW adjustment, demonstrated that statin use was associated with improved overall survival.
Conclusions
Our study indicates that the use of statins following a de novo metastatic prostate cancer diagnosis enhances survival outcomes. However, statins did not appear to delay the onset of castration-resistant status. Further large-scale and long-term studies are warranted to investigate the biological effects of statins in men with prostate cancer.