1
|
Yang Q, Xin C, Xiao QS, Lin YT, Li L, Zhao JL. Codon usage bias in chloroplast genes implicate adaptive evolution of four ginger species. Front Plant Sci 2023; 14:1304264. [PMID: 38169692 PMCID: PMC10758403 DOI: 10.3389/fpls.2023.1304264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024]
Abstract
Codon usage bias (CUB) refers to different codons exhibiting varying frequencies of usage in the genome. Studying CUB is crucial for understanding genome structure, function, and evolutionary processes. Herein, we investigated the codon usage patterns and influencing factors of protein-coding genes in the chloroplast genomes of four sister genera (monophyletic Roscoea and Cautleya, and monophyletic Pommereschea and Rhynchanthus) from the Zingiberaceae family with contrasting habitats in southwestern China. These genera exhibit distinct habitats, providing a unique opportunity to explore the adaptive evolution of codon usage. We conducted a comprehensive analysis of nucleotide composition and codon usage on protein-coding genes in the chloroplast genomes. The study focused on understanding the relationship between codon usage and environmental adaptation, with a particular emphasis on genes associated with photosynthesis. Nucleotide composition analysis revealed that the overall G/C content of the coding genes was ˂ 48%, indicating an enrichment of A/T bases. Additionally, synonymous and optimal codons were biased toward ending with A/U bases. Natural selection is the primary factor influencing CUB characteristics, particularly photosynthesis-associated genes. We observed differential gene expressions related to light adaptation among sister genera inhabiting different environments. Certain codons were favored under specific conditions, possibly contributing to gene expression regulation in particular environments. This study provides insights into the adaptive evolution of these sister genera by analyzing CUB and offers theoretical assistance for understanding gene expression and regulation. In addition, the data support the relationship between RNA editing and CUB, and the findings shed light on potential research directions for investigating adaptive evolution.
Collapse
Affiliation(s)
- Qian Yang
- Ministry of Education Key Laboratory for Transboundary Ecosecurity of Southwest China, Yunnan Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology and Centre for Invasion Biology, Institute of Biodiversity, School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan, China
| | - Cheng Xin
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Qing-Song Xiao
- Ministry of Education Key Laboratory for Transboundary Ecosecurity of Southwest China, Yunnan Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology and Centre for Invasion Biology, Institute of Biodiversity, School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan, China
| | - Ya-Ting Lin
- Ministry of Education Key Laboratory for Transboundary Ecosecurity of Southwest China, Yunnan Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology and Centre for Invasion Biology, Institute of Biodiversity, School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan, China
| | - Li Li
- Ministry of Education Key Laboratory for Transboundary Ecosecurity of Southwest China, Yunnan Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology and Centre for Invasion Biology, Institute of Biodiversity, School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan, China
| | - Jian-Li Zhao
- Ministry of Education Key Laboratory for Transboundary Ecosecurity of Southwest China, Yunnan Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology and Centre for Invasion Biology, Institute of Biodiversity, School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan, China
| |
Collapse
|
2
|
Li PS, Hsieh CJ, Shih YL, Lin YT, Liu CY. The effect of research on life satisfaction in middle-aged and older adults: physical disability and physical activity as a parallel and serial mediation analysis. BMC Geriatr 2023; 23:176. [PMID: 36973665 PMCID: PMC10044714 DOI: 10.1186/s12877-023-03873-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 03/06/2023] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND AND OBJECTIVE Maintaining the life satisfaction of frail middle-aged and older adults when they experience physical disability, lower activity status, or complex conditions that are related to each other is now an urgent issue. Therefore, the purpose of this study was to provide evidence for the impact of frailty in middle-aged and older adults on life satisfaction under the simultaneous occurrence and correlation of physical disability and physical activity status. METHODS Data from the 2015 Taiwan Longitudinal Study in Ageing (TLSA) were analyzed by PROCESS in SPSS to explore three different mediation models (N = 4,421). The first was a parallel mediation model for exploring life satisfaction in middle-aged and older adults with frailty through physical disability or physical activity. The second was a serial mediation model for examining physical disability and physical activity in causal chains linked with a specific direction of flow and to test all combinations. The third was a moderated mediation model for testing whether the indirect effect of frailty status on life satisfaction through physical disability or physical activity was moderated by age stratification. RESULTS Physical disability and physical activity partially mediated the relationship between frailty status and life satisfaction (IEOVERALL = -0.196, 95% CI: -0.255 to -0.139). The causal path with the highest indirect effect was found to be that between frailty and physical disability; increased frailty led to higher physical disability, which in turn affected physical activity, leading to lower life satisfaction (IE = 0.013, 95% CI: 0.008 to 0.019). The different stratifications by age significantly increased the mediating effect of physical activity (Index of Moderated Mediation = -0.107, SE = 0.052, 95% CI: -0.208 to -0.005) but did not reduce the mediating effect of physical disability. CONCLUSION This study provides evidence that physical activity and physical disability influence the development of frailty. It also has a significant impact on the life satisfaction of middle-aged and older adults.
Collapse
Affiliation(s)
- Pei-Shan Li
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, 112, Taiwan R.O.C
- Department of Nursing, Taipei Veteran General Hospital, Taipei, 112, Taiwan R.O.C
| | - Chia-Jung Hsieh
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, 112, Taiwan R.O.C..
| | - Ya-Ling Shih
- Department of Nursing, Yuanpei University of Medical Technology, Hsinchu, 300, Taiwan R.O.C
| | - Ya-Ting Lin
- Department of Nursing, St. Mary's Junior College of Medicine, Nursing, and Management, Yilan County, 266, Taiwan R.O.C
| | - Chieh-Yu Liu
- Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei, 112, Taiwan R.O.C
| |
Collapse
|
3
|
Lin YT, Chan SA, Chen YJ, Chung KP, Kuo CH. Using an In-Sample Addition of Medronic Acid for the Analysis of Purine- and Pyrimidine-Related Derivatives and Its Application in the Study of Lung Adenocarcinoma A549 Cell Lines by LC-MS/MS. J Proteome Res 2023; 22:1434-1445. [PMID: 36930966 DOI: 10.1021/acs.jproteome.2c00736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
Intracellular purine- and pyrimidine-related derivatives are vital molecules for preserving genetic information and are essential for cellular bioenergetics and signal transduction. This study developed a practical liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for quantifying intracellular purine- and pyrimidine-related derivatives. To solve the distorted peak shape related to di- and triphosphate nucleotides, in-sample addition of medronic acid and ammonium phosphate was performed. Using the BEH-amide column, the results showed that adding 0.5 mM medronic acid to the sample significantly improved the peak shape without causing an obvious ion suppressive effect. Method validation confirmed that the coefficients of determination (R2) values for linearity evaluation were above 0.94 for all analytes. The intraday and interday accuracies ranged from 85.1 to 128.4%, with the precision below 16.6%. The validated method was successfully applied in characterizing the alterations of purine- and pyrimidine-related derivatives in the A549 cell line with perturbed mitochondrial fission or blockade of the electron transport chain. Collectively, this study demonstrates that the strategy of in-sample medronic acid addition is effective in improving the quantification of intracellular purine- and pyrimidine-related derivatives. We believe that our proposed platform can facilitate the development of novel drugs targeting purine and pyrimidine metabolism in the future.
Collapse
Affiliation(s)
- Ya-Ting Lin
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 100, Taiwan.,The Metabolomics Core Laboratory, Center of Genomic and Precision Medicine, National Taiwan University, Taipei 100, Taiwan
| | | | - Yi-Jung Chen
- Department of Laboratory Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Kuei-Pin Chung
- Department of Laboratory Medicine, National Taiwan University Hospital and College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 100, Taiwan.,The Metabolomics Core Laboratory, Center of Genomic and Precision Medicine, National Taiwan University, Taipei 100, Taiwan.,Department of Pharmacy, National Taiwan University Hospital, Taipei 100, Taiwan
| |
Collapse
|
4
|
Hsu CN, Lin YT, Chen YH, Tseng TY, Tsai HF, Hong SG, Yao CL. An Aligned Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Scaffold Fixed with Fibronectin to Enhance the Attachment and Growth of Human Endothelial Progenitor Cells. BIOTECHNOL BIOPROC E 2023. [DOI: 10.1007/s12257-022-0255-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
|
5
|
Lin YT, Huang DW, Huang PF, Chang LC, Lai YT, Tai NH. A Green Approach for High Oxidation Resistance, Flexible Transparent Conductive Films Based on Reduced Graphene Oxide and Copper Nanowires. Nanoscale Res Lett 2022; 17:79. [PMID: 36001189 PMCID: PMC9402884 DOI: 10.1186/s11671-022-03716-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
Copper nanowires (CuNWs)-based thin film is one of the potential alternatives to tin-doped indium oxide (ITO) in terms of transparent conductive films (TCFs). However, the severe problem of atmospheric oxidation restricts their practical applications. In this work, we develop a simple approach to fabricate highly stable TCFs through the dip-coating method using reduced graphene oxide (rGO) and CuNWs as the primary materials. Compared with previous works using toxic reduction agents, herein, the CuNWs are synthesized via a green aqueous process using glucose and lactic acid as the reductants, and rGO is prepared through the modified Hummers' method followed by a hydrogen-annealing process to form hydrogen-annealing-reduced graphene oxide (h-rGO). In the rGO/CuNWs films, the dip-coated graphene oxide layer can increase the adhesion of the CuNWs on the substrate, and the fabricated h-rGO/CuNWs can exhibit high atmospheric oxidation resistance and excellent flexibility. The sheet resistance of the h-rGO/CuNWs film only increased from 25.1 to 42.2 Ω/sq after exposure to ambient atmosphere for 30 days and remained almost unchanged after the dynamic bending test for 2500 cycles at a constant radius of 5.3 mm. The h-rGO/CuNWs TCF can be not only fabricated via a route with a superior inexpensive and safe method but also possessed competitive optoelectronic properties with high electrical stability and flexibility, demonstrating great opportunities for future optoelectronic applications.
Collapse
Affiliation(s)
- Ya-Ting Lin
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Da-Wei Huang
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
| | - Pin-Feng Huang
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
| | - Li-Chun Chang
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
| | - Yi-Ting Lai
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan.
- Center for Plasma and Thin Film Technologies, Ming Chi University of Technology, New Taipei City, Taiwan.
- Biochemical Technology R&D Center, Ming Chi University of Technology, New Taipei City, Taiwan.
| | - Nyan-Hwa Tai
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan.
| |
Collapse
|
6
|
Knobles DP, Neilsen TB, Wilson PS, Hodgkiss WS, Bonnel J, Lin YT. Maximum entropy inference of seabed properties using waveguide invariant features from surface ships. J Acoust Soc Am 2022; 151:2885. [PMID: 35649902 DOI: 10.1121/10.0010372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 04/13/2022] [Indexed: 06/15/2023]
Abstract
Acoustic data were recorded on two vertical line arrays (VLAs) deployed in the New England Mud Patch during the Seabed Characterization Experiment 2017 in about 75 m of water. The sound recorded during the passage of merchant ships permits identification of singular points for the waveguide invariant β for mode pairs (1,n):β1,n,for n=2,3,4,5, in the 15-80 Hz band. Using prior geophysical information and an acoustic data sample from the merchant ship KALAMATA, a geoacoustic model M of the seabed was developed. Then, using data samples from other merchant ships, a feature-ensemble maximum entropy method is employed to infer the statistical properties of geoacoustic parameter values for the sound speeds in a surface mud layer and a deep sand layer. Technical challenges include a sparsity of observed singular points, the unique identification of mode pairs for an observed singular point, and the deviation of the waveguide from horizontal stratification. A geoacoustic model M is developed that reproduced the observed β≈-1 for f < 20 Hz and mode cutoff features at about 15 Hz. The statistical low-frequency inference of the singular point structure from multiple ships provides evidence of an angle of intromission at the water sediment interface with an average sound speed ratio of about 0.986 and an average sound speed for the deeper sand layer of about 1775 m/s.
Collapse
Affiliation(s)
- D P Knobles
- Knobles Scientific and Analysis, Austin, Texas 78755, USA
| | - T B Neilsen
- Department of Physics, Brigham Young University, Provo, Utah 84604, USA
| | - P S Wilson
- Mechanical Engineering Department and Applied Research Laboratories, University of Texas, Austin, Texas 78713, USA
| | - W S Hodgkiss
- Marine Physical Laboratory, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093, USA
| | - J Bonnel
- Woods Hole Oceanographic Institute, Falmouth, Massachusetts 02543, USA
| | - Y T Lin
- Woods Hole Oceanographic Institute, Falmouth, Massachusetts 02543, USA
| |
Collapse
|
7
|
Lu ZK, Cheng J, Li SM, Lin YT, Zhang W, Li XZ, Sheng HY, Mao XJ, Mei HF, Zheng RD, Liang CL, Jiang MY, Huang YL, Liu L, Zeng CH. [Phenotypes and ATP7B gene variants in 316 children with Wilson disease]. Zhonghua Er Ke Za Zhi 2022; 60:317-322. [PMID: 35385937 DOI: 10.3760/cma.j.cn112140-20210827-00708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objectives: To summarize the clinical phenotypes and the variation spectrum of ATP7B gene in Chinese children with Wilson's disease (WD) and to investigate their significance for early diagnosis. Methods: Retrospective analysis was performed on the clinical data of 316 children diagnosed as WD in Guangzhou Women and Children's Medical Center during the period from January 2010 to June 2021. The general situations, clinical manifestations, lab test results, imaging examinations, and ATP7B gene variant characteristics were collected. The patients were divided into asymptomatic WD group and symptomatic WD group based on the presence or absence of clinical symptoms at the time that WD diagnosis was made. The χ2 test, t test or Mann-Whitney U test were used to compare the differences between groups. Results: Among the 316 children with WD, 199 were males and 117 were females, with the age of 5.4 (4.0, 7.6) years at diagnosis; 261 cases (82.6%) were asymptomatic with the age of 4.9 (3.9, 6.4) years; whereas 55 cases (17.4%) were symptomatic with the age of 9.6 (7.3, 12.0) years. The main symptoms invloved liver, kidney, nervous system, or skin damage. Of all the patients, 95.9% (303/316) had abnormal liver function at diagnosis; 98.1% (310/316) had the serum ceruloplasmin lever lower than 200 mg/L; 97.7% (302/309) had 24-hour urine copper content exceeding 40 μg; only 7.4% (23/310) had positive corneal K-F rings, 8.2% (23/281) had abnormal MRI signals in the lenticular nucleus, and all of them had symptoms of damage in liver, kidney or nervous system. Compared with the group of symptomatic WD, asymptomatic group had higher levels of serum alanine aminotransferase and lower levels ceruloplasmin and 24-hour urine copper [(208±137) vs. (72±78) U/L, (55±47) vs. (69±48) mg/L, 103 (72, 153) vs. 492 (230, 1 432) μg; t=9.98, -1.98, Z=-4.89, all P<0.001]. Among the 314 patients completing genetic sequencing, a total of 107 mutations in ATP7B gene were detected, of which 10 are novel variants, and 3 cases (1.0%) had large heterozygous deletion (exons 10 to exon 11) in ATP7B gene. The percentage of missense mutation in asymptomatic WD children was significantly higher than that in symptomatic WD (81.5% (422/518) vs. 69.1% (76/110), χ²=8.47, P<0.05). WD patients carrying homozygous variant of c.2 333G>T had significantly low levels of ceruloplasmin than those not carrying this variant ((23±5) vs. (61±48) mg/L, t=-2.34, P<0.001). Conclusions: The elevation of serum ALT is an important clue for early diagnosis of WD in children, while serum ceruloplasmin and 24-hour urine copper content are specific markers for early diagnosis of WD. In order to confirm the diagnosis of WD, it is necessary to combine the Sanger sequencing with multiplex ligation-dependent probe amplification or other testing technologies.
Collapse
Affiliation(s)
- Z K Lu
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - J Cheng
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - S M Li
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - Y T Lin
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - W Zhang
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - X Z Li
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - H Y Sheng
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - X J Mao
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - H F Mei
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - R D Zheng
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - C L Liang
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - M Y Jiang
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - Y L Huang
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - L Liu
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - C H Zeng
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| |
Collapse
|
8
|
Chen SJ, Chen CC, Liao HY, Lin YT, Wu YW, Liou JM, Wu MS, Kuo CH, Lin CH. Association of Fecal and Plasma Levels of Short-Chain Fatty Acids With Gut Microbiota and Clinical Severity in Parkinson Disease Patients. Neurology 2022; 98:e848-e858. [PMID: 34996879 PMCID: PMC8883514 DOI: 10.1212/wnl.0000000000013225] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 11/30/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Short-chain fatty acids (SCFAs) are gut microbial metabolites that promote the disease process in a rodent model of Parkinson's disease (PD), but fecal levels of SCFAs in PD patients are reduced. Simultaneous assessments of fecal and plasma SCFA levels, and their inter-relationships with the PD disease process are scarce. We aimed to compare fecal and plasma levels of different SCFAs subtypes in PD patients and healthy controls to delineate their interrelations and link to gut microbiota changes and clinical severity of PD. METHODS A cohort of 96 PD patients and 85 controls were recruited from National Taiwan University Hospital. Fecal and plasma concentrations of SCFAs were measured using chromatography and mass spectrometry. Gut microbiota was analyzed using metagenomic shotgun sequencing. Body mass index and medical co-morbidities were evaluated, and dietary information was obtained using a food frequency questionnaire. To assess motor and cognitive impairment, we used the Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) and the Mini-Mental Status Examination (MMSE). RESULTS Compared with controls, PD patients had lower fecal but higher plasma concentrations of acetate, propionate, and butyrate. After adjustment for age, sex, disease duration, and anti-PD medication dosage, MDS-UPDRS part III motor scores correlated with reduced fecal levels of acetate (ρ = -0.37, p = 0.012), propionate (ρ = -0.32, p = 0.036), and butyrate (ρ = -0.40, p = 0.004) and with increased plasma propionate concentrations (ρ = 0.26, p = 0.042) in PD patients. MMSE scores negatively correlated with plasma levels of butyrate (ρ = -0.09, p = 0.027) and valerate (ρ = -0.032, p = 0.033) after adjustment for confounders. SCFAs-producing gut bacteria correlated positively with fecal levels of SCFAs in healthy controls but revealed no association in patients with PD. In the PD patient group, the abundance of pro-inflammatory microbes, such as Clostridiales bacterium NK3B98 and Ruminococcus sp. AM07-15, significantly correlated with decreased fecal levels and increased plasma levels of SCFAs, especially propionic acid. DISCUSSION Reductions in fecal SCFAs but increased plasma SCFAs were observed in PD patients and corelated to specific gut microbiota changes and the clinical severity of PD. CLASSIFICATION OF EVIDENCE This study provides Class III evidence that gut metabolite SCFAs distinguish between PD patients and controls, and are associated with disease severity in patients with PD.
Collapse
Affiliation(s)
- Szu-Ju Chen
- Department of Neurology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan.,Department of Neurology, National Taiwan University Hospital Bei-Hu Branch, Taipei, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chieh-Chang Chen
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan.,Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Hsin-Yu Liao
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ya-Ting Lin
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Yu-Wei Wu
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Jyh-Ming Liou
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ming-Shiang Wu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan.,The Metabolomics Core Laboratory, NTU Centers of Genomic and Precision Medicine, National Taiwan University, Taipei, Taiwan.,Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan
| | - Chin-Hsien Lin
- Department of Neurology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| |
Collapse
|
9
|
Shih YL, Hsieh CJ, Lin YT, Wang YZ, Liu CY. The Mediation Effect of Health Literacy on Social Support with Exchange and Depression in Community-Dwelling Middle-Aged and Older People in Taiwan. Healthcare (Basel) 2021; 9:healthcare9121757. [PMID: 34946483 PMCID: PMC8701837 DOI: 10.3390/healthcare9121757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/13/2021] [Accepted: 12/16/2021] [Indexed: 11/16/2022] Open
Abstract
The proportion of the world’s population that are over 60 years old is increasing rapidly. The physical and mental health of older people is affected by depression. Health literacy is a major determinant of health and healthcare for the aging; middle-aged and older people with high health literacy are more likely to maintain a healthy lifestyle, and control or manage their chronic diseases. Therefore, this study explored the relationship between health literacy, social support with exchange, and depression, in middle-aged and older adults in the community, using data from the 2015 Taiwan Longitudinal Study on Aging (TLSA) database. Of the 7636 participants, 1481 (19.4%) were middle-aged or older persons with depression symptoms. We found age, gender, and education level to be significantly related to health literacy status, social support with exchange, and depression. Health literacy was positively correlated with depression and social exchange in social support with exchange, whereas the emotional support component of social support with exchange was negatively correlated with depression. Regression-based process analysis was used to verify the mediation effect of health literacy. Our results indicated that when health literacy was entered into the regression model (a × b path), the effect of social exchange on depression was insignificant (c′ = −0.01, p = 0.84), indicating a complete mediation effect. These findings suggest that improving health literacy may offset the impact of social support with exchange on depression, and lead to the mitigation of depression in middle-aged and older people in Taiwanese communities.
Collapse
Affiliation(s)
- Ya-Ling Shih
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei 112303, Taiwan; (Y.-L.S.); (Y.-T.L.); (Y.-Z.W.)
| | - Chia-Jung Hsieh
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei 112303, Taiwan; (Y.-L.S.); (Y.-T.L.); (Y.-Z.W.)
- Correspondence: ; Tel.: +886-(2)-2822-7101-3135; Fax: +886-2-2820-6729
| | - Ya-Ting Lin
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei 112303, Taiwan; (Y.-L.S.); (Y.-T.L.); (Y.-Z.W.)
- ST. Mary’s Junior College of Medicine, Nursing and Management, Yilan 266006, Taiwan
| | - Yi-Zhu Wang
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei 112303, Taiwan; (Y.-L.S.); (Y.-T.L.); (Y.-Z.W.)
| | - Chieh-Yu Liu
- Department of Speech Language Pathology and Audiology, National Taipei University of Nursing and Health Sciences, Taipei 112303, Taiwan;
| |
Collapse
|
10
|
Zhang YY, Lin YT, Wang L, Sun XW, Dang EL, Xue K, Zhang WG, Zhang KM, Wang G, Li B. CD8αα +T cells exert a pro-inflammatory role in patients with psoriasis. Skin Health Dis 2021; 1:e64. [PMID: 35663772 PMCID: PMC9060015 DOI: 10.1002/ski2.64] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 08/05/2021] [Accepted: 08/05/2021] [Indexed: 11/29/2022]
Abstract
Background Psoriasis is a common chronic inflammatory disease caused by excessive activation of CD4+T cells, including Th17, Th1 and Th22. The role of CD8+T cells in psoriasis pathogenesis remains poorly understood. Aim To identify the phenotype of CD8+T cells in patients with psoriasis and to investigate its role in the formation of lesions. Methods The phenotype of CD8+T cells in psoriatic lesions was detected by immunofluorescence staining. Flow cytometry was performed to detect their phenotype in peripheral blood. Thereafter, coculture of CD8αα+T cells with autogenous CD4+T cells was performed to investigate the function of CD8αα+T cells in patients with psoriasis. Finally, pro‐inflammatory factors produced by CD8αα+T cells were examined by immunofluorescence staining and flow cytometry. Results Compared to the CD8αβ+T cells, CD8αα+T cell infiltration in psoriatic lesions markedly increased. Moreover, epidermal CD8αα+T cells exhibited tissue‐resident memory T cells (TRM) phenotypes and dermal CD8αα+T cells exhibited effector memory (TEM) phenotypes in psoriatic lesions. Additionally, we found that CD8αα+T cells from patients with psoriasis did not express the markers of regulatory T cells and could promote the proliferation of CD4+T effector cells and produce interleukin‐17 and interferon‐γ. Conclusions Our findings demonstrate that CD8αα+T cells contribute to the pathogenesis of psoriasis by producing pro‐inflammatory factors.
Collapse
Affiliation(s)
- Y Y Zhang
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - Y T Lin
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - L Wang
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - X W Sun
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - E L Dang
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - K Xue
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - W G Zhang
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - K M Zhang
- Institute of Dermatology Taiyuan City Central Hospital Shanxi Key Laboratory for Immunological Dermatosis Taiyuan China
| | - G Wang
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| | - B Li
- Department of Dermatology Xijing Hospital Fourth Military Medical University Xi'an China
| |
Collapse
|
11
|
Liou BH, Cheng CN, Lin YT, Lin YJ, Chuang YC, Lin KY, Liu WC, Lin SW, Kuo CH, Sun HY, Hung CC. Short-course daily isoniazid and rifapentine for latent tuberculosis infection in people living with HIV who received coformulated bictegravir/emtricitabine/tenofovir alafenamide. J Int AIDS Soc 2021; 24:e25844. [PMID: 34822220 PMCID: PMC8614225 DOI: 10.1002/jia2.25844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 10/27/2021] [Indexed: 11/11/2022] Open
Abstract
INTRODUCTION Short-course preventive therapy with 1-month course of daily administration of isoniazid (300-mg) plus rifapentine (600-mg) (1HP) and 3-month course of weekly administration of isoniazid (900-mg) plus rifapentine (900-mg) (3HP) has higher completion rates than 9-month course of daily isoniazid (9H) for individuals with latent tuberculosis infection (LTBI). We aimed to evaluate the effect, safety and tolerability of 1HP in people living with HIV (PLWH) and LTBI who received coformulated bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF). METHODS PLWH testing positive by interferon-gamma release assay and having received BIC/FTC/TAF for >2 weeks with plasma HIV RNA load (PVL) <200 copies/ml were enrolled. BIC trough plasma concentrations and cytokine profiles were determined before the first dose (day 1/baseline), 24 h after the 14th (day 15) and 28th (day 29) doses of 1HP. PVL were determined on days 15 and 29 of 1HP and every 3 months subsequently after discontinuation of 1HP. RESULTS From November 2019 to December 2020, 48 PLWH with LTBI were enrolled. One participant (2.1%) discontinued 1HP on day 15 due to fever and generalized rashes with PVL of 72 copies/ml, which was <50 copies/ml in three subsequent determinations while on BIC/FTC/TAF over the 12 months of follow-up. The percentages of BIC trough plasma concentrations above the protein-adjusted 95% effective concentration (paEC95 = 162 ng/ml) were 56.3% and 37.0% on days 15 and 29, respectively. The percentage of PVL <200 copies/ml was 91.7% on day 15, 97.8% on day 29 and 100% at both months 3 and 6. After a median observation of 52 weeks (interquartile range, 51-55), all participants continued BIC/FTC/TAF with a median PVL of 20 copies/ml (range 20-331). Except for the participant who discontinued 1HP because of allergic reactions, none of the participants had relevant symptoms or increases of the cytokine levels assessed between baseline and days 15 and 29 of 1HP. CONCLUSIONS BIC/FTC/TAF in combination with 1HP was well tolerated with a high completion rate. BIC trough plasma concentrations were significantly decreased with concurrent use of 1HP among PLWH with LTBI. While transient viral blips were observed during 1HP without causing subsequent treatment failure, such combination should be applied with caution.
Collapse
Affiliation(s)
- Bo-Huang Liou
- Department of Internal Medicine, Hsinchu MacKay Memorial Hospital, Hsinchu City, Taiwan
| | - Chih-Ning Cheng
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Ya-Ting Lin
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Yu-Jou Lin
- Department of Pharmacy, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yu-Chung Chuang
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Kuan-Yin Lin
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Wen-Chun Liu
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Shu-Wen Lin
- School of Pharmacy, National Taiwan University, Taipei, Taiwan.,Department of Pharmacy, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.,Graduate Institute of Clinical Pharmacy, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Hsin-Yun Sun
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chien-Ching Hung
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.,Department of Tropical Medicine and Parasitology, National Taiwan University College of Medicine, Taipei, Taiwan
| |
Collapse
|
12
|
Li CY, Hsieh CJ, Shih YL, Lin YT. Spiritual well-being of patients with chronic renal failure: A cross-sectional study. Nurs Open 2021; 8:2461-2469. [PMID: 34310075 PMCID: PMC8363354 DOI: 10.1002/nop2.1004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 06/11/2021] [Accepted: 07/10/2021] [Indexed: 02/01/2023] Open
Abstract
AIMS The study aimed to investigate the relationship among physical symptom distress, sleep quality, depression and spiritual well-being of patients with chronic renal failure (CRF) and analyse the predictors of the spiritual well-being. DESIGN A cross-sectional study. METHODS A total of 188 patients were selected. The collection tools were the Physical Symptom Distress Scale, the Chinese version of PSQI, the Geriatric Depression Scale and the Spiritual Well-Being Scale. Hierarchical regression analysis was conducted using SPSS 20.0. RESULTS Patients with different treatments exhibited significantly different physical symptom distress. Furthermore, spiritual well-being was significantly negatively correlated with physical symptom distress, poor sleep disturbances and depression. After controlling for the variables, sleep quality and haemodialysis treatment were the key predictors of spiritual well-being. CONCLUSION To achieve holistic caregiving for patients' physiological, psychological and spiritual health, Nurses should evaluate patients' symptom distress and depression when providing care for these patients to enhance their spiritual well-being.
Collapse
Affiliation(s)
- Chia-Yu Li
- Department of nursing, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chia-Jung Hsieh
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Ya-Ling Shih
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Ya-Ting Lin
- School of nursing, College of Nursing, ST. Mary's Junior College of Medicine, Nursing and Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| |
Collapse
|
13
|
Liu WD, Cheng CN, Lin YT, Kuo CH, Ho SY, Hung CC. Acute HIV infection with presentations mimicking acalculous cholecystitis: A case report. Medicine (Baltimore) 2021; 100:e26653. [PMID: 34260568 PMCID: PMC8284728 DOI: 10.1097/md.0000000000026653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 06/28/2021] [Indexed: 01/04/2023] Open
Abstract
RATIONALE Acute retroviral syndrome is the symptomatic presentation of acute human immunodeficiency virus (HIV) infection, which often manifests as a self-limited infectious mononucleosis-like syndrome and occurs 2 to 6 weeks after exposure to HIV. Atypical manifestations including hepatitis, meningitis, or hemophagocytic lymphohistiocytosis have been reported. However, manifestations of acute acalculous cholecystitis during acute HIV infection are rarely reported. PATIENT CONCERNS A 30-year-old man with nausea and loose stools, followed by fever and abdominal pain at the right upper quadrant for 10 days. DIAGNOSIS Acute retroviral syndrome, complicated with acute acalculous cholecystitis. INTERVENTIONS Percutaneous transhepatic gallbladder drainage was performed and treatment with co-formulated bictegravir/emtricitabine/tenofovir alafenamide was initiated upon HIV diagnosis. OUTCOMES The patient's symptoms improved after the drainage. The levels of liver enzyme including aspartate transaminase alanine aminotransferase decreased to a level within normal limits 1 month after initiation of antiretroviral therapy. CONCLUSION Acalculous cholecystitis in combination with acute hepatitis could be manifestations of acute HIV infection. For individuals at risk of acquiring HIV infection who present with manifestations of acute acalculous cholecystitis, HIV testing should be considered.
Collapse
Affiliation(s)
- Wang-Da Liu
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Medicine, National Taiwan University Cancer Center, Taipei, Taiwan
| | - Chih-Ning Cheng
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Ya-Ting Lin
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Shu-Yuan Ho
- Department of Laboratory Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chien-Ching Hung
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Tropical Medicine and Parasitology, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- China Medical University, Taichung, Taiwan
| |
Collapse
|
14
|
Lee LY, Hsieh CJ, Lin YT. Life satisfaction and emotional distress in people living with type 2 diabetes mellitus: The mediating effect of cognitive function. J Clin Nurs 2021; 30:2673-2682. [PMID: 33655571 DOI: 10.1111/jocn.15740] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 01/24/2021] [Accepted: 02/25/2021] [Indexed: 10/22/2022]
Abstract
AIMS AND OBJECTIVES To explore the relationships among emotional distress, cognitive function and life satisfaction in people living with type 2 diabetes mellitus (T2DM), and to verify the mediating role of cognitive function. BACKGROUND People with T2DM face cognitive decline caused by age and disease complications. Emotional distress will reduce their life satisfaction, and cognitive function will also affect the life satisfaction, but whether cognitive function mediates the effect of emotional distress on life satisfaction has not been verified. DESIGN A cross-sectional study. METHODS A total of 200 people living with T2DM in the community by convenience sampling were enrolled from November-December 2018. Data collection involved a demographic and disease characteristic questionnaire, Problem Areas in Diabetes Scale, Subjective and Objective Cognitive Function Evaluation and Life Satisfaction Questionnaire. Data analysis included descriptive statistics and structural equation modelling. This report followed the STROBE guideline. RESULTS The emotional distress and subjective memory complaints of cognitive function had a significant positive correlation, while both emotional distress and cognitive function showed significant negative correlations with life satisfaction. In addition, cognitive function completely mediated the relationship between emotional distress and life satisfaction. CONCLUSION The cognitive function played a mediating role in life satisfaction and explains how emotional distress affects life satisfaction of people with T2DM. Therefore, it is suggested that diabetes nurses should early identify the decline of cognitive function, and to intervene at an early stage. RELEVANCE TO CLINICAL PRACTICE This study provides opinions on the mediating factors of cognitive function. Coping strategies and supporting resources to help the T2DM people to improve their life satisfaction are suggested.
Collapse
Affiliation(s)
- Li-Yen Lee
- School of nursing, College of Nursing, Lecturer of Cardinal Tien Junior of Healthcare and Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Chia-Jung Hsieh
- School of Nursing, College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | - Ya-Ting Lin
- School of nursing, College of Nursing, Lecturer of St. Mary's Junior College of Medicine, Nursing and Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| |
Collapse
|
15
|
Hsiao YY, Huang YC, Chang SY, Kuo CH, Chang SF, Lin YT, Luo YZ, Lee YL, Hung CC. Failure of pre-exposure prophylaxis with on-demand tenofovir disoproxil fumarate/emtricitabine resulting in emergence of antiretroviral resistance. J Microbiol Immunol Infect 2021; 54:755-757. [PMID: 33597075 DOI: 10.1016/j.jmii.2021.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 10/22/2022]
Affiliation(s)
- Yu-Yu Hsiao
- Department of Internal Medicine, Changhua Christian Hospital, Changhua City, Taiwan
| | - Yi-Chia Huang
- Department of Internal Medicine, National Taiwan University Hospital Biomedical Park, Hsin-Chu, Taiwan
| | - Sui-Yuan Chang
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University College of Medicine, Taipei, Taiwan; Department of Laboratory Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Shu-Fang Chang
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ya-Ting Lin
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Yu-Zhen Luo
- Center of Infection Control, National Taiwan University Hospital, Taipei, Taiwan
| | - Yu-Lin Lee
- Department of Internal Medicine, Changhua Christian Hospital, Changhua City, Taiwan.
| | - Chien-Ching Hung
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Department of Tropical Medicine and Parasitology, National Taiwan University Hospital, Taipei, Taiwan
| |
Collapse
|
16
|
Ma JY, Zhou Y, Lin YT, Xiang ZS, Zheng RS, Zhang SW, Wang SM, Chen R, Wei WW, He J. [Incidence and mortality of corpus uteri cancer in China, 2015]. Zhonghua Zhong Liu Za Zhi 2021; 43:108-112. [PMID: 33472322 DOI: 10.3760/cma.j.cn112152-20200423-00373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To estimate the incidence and mortality of corpus uteri cancer in China, 2015. Methods: Quality audit and evaluation of the data from 2015 cancer registration reported by 501 cancer registries were conducted, and 368 cancer registries were included in the analysis. The incidence rate and mortality rate of corpus uteri cancer were calculated according to the factors of the region (urban, rural, east, central, western), sex and age groups. The incidence and mortality of corpus uteri cancer with the 2015 population were estimated. Chinese standard population in 2000 and world Segi's population were used for the calculation of age-standardized rates (ASR) of incidence and mortality. Results: In 2015, 368 cancer registries included in the analysis covered a total of 309 553 499 populations in China, accounting for 22.52% of the national population. It is estimated that there were about 68 900 new cases of corpus uteri cancer in 2015, the incidence rate was 10.28/10(5), age-standardized incidence rates by Chinese standard population (ASR China) and world standard population (ASR world) were 6.86/10(5) and 6.66/10(5), respectively. The incidence rate of urban area (11.35/10(5)) was higher than that of rural area (8.90/10(5)), and the incidence of eastern region (12.12/10(5)) was higher than the central region (9.94/10(5)) and the western region (8.25/10(5)). It is estimated that in 2015, there were about 16 000 deaths of corpus uteri cancer, the mortality rate was 2.39/10(5), ASR China was 1.49/10(5), ASR world was 1.47/10(5). The mortality in urban areas (2.40/10(5)) is close to rural areas (2.39/10(5)); the mortality in central areas (2.55/10(5)) was higher than the eastern areas (2.32/10(5)) and the western areas (2.31/10(5)). Conclusions: In China, the incidence of corpus uteri cancer is on the rise and has a trend of youth, the burden of disease is gradually increasing, which threatens the health of women. Targeted prevention and control measures should be carried out in the different regions.
Collapse
Affiliation(s)
- J Y Ma
- Fujian Provincial Office for Tumor Prevention and Control, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou 350014, China
| | - Y Zhou
- Fujian Provincial Office for Tumor Prevention and Control, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou 350014, China
| | - Y T Lin
- Fujian Provincial Office for Tumor Prevention and Control, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou 350014, China
| | - Z S Xiang
- Fujian Provincial Office for Tumor Prevention and Control, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou 350014, China
| | - R S Zheng
- Office for Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - S W Zhang
- Office for Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - S M Wang
- Office for Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - R Chen
- Office for Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - W W Wei
- Office for Cancer Registry, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - J He
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021,China
| |
Collapse
|
17
|
Chen PC, Lin YT, Truong CM, Chen PS, Chiang HK. Development of an Automated Optical Inspection System for Rapidly and Precisely Measuring Dimensions of Embedded Microchannel Structures in Transparent Bonded Chips. Sensors (Basel) 2021; 21:s21030698. [PMID: 33498437 PMCID: PMC7864200 DOI: 10.3390/s21030698] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/10/2021] [Accepted: 01/14/2021] [Indexed: 12/22/2022]
Abstract
This study aimed to develop an automated optical inspection (AOI) system that can rapidly and precisely measure the dimensions of microchannels embedded inside a transparent polymeric substrate, and can eventually be used on the production line of a factory. The AOI system is constructed based on Snell’s law. The concept holds that, when light travels through two transparent media (air and the microfluidic chip transparent material), by capturing the parallel refracted light from a light source that went through the microchannel using a camera with a telecentric lens, the image can be analyzed using formulas derived from Snell’s law to measure the dimensions of the microchannel cross-section. Through the NI LabVIEW 2018 SP1 programming interface, we programmed this system to automatically analyze the captured image and acquire all the needed data. The system then processes these data using custom-developed formulas to calculate the height and width measurements of the microchannel cross-sections and presents the results on the human–machine interface (HMI). In this study, a single and straight microchannel with a cross-sectional area of 300 μm × 300 μm and length of 44 mm was micromachined and sealed with another polymeric substrate by a solvent bonding method for experimentations. With this system, 45 cross-sectional areas along the straight microchannel were measured within 20 s, and experiment results showed that the average measured error was less than 2%.
Collapse
Affiliation(s)
- Pin-Chuan Chen
- Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (Y.-T.L.); (C.-M.T.)
- High Speed 3D Printing Research Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan
- Correspondence: (P.-C.C.); (H.-K.C.)
| | - Ya-Ting Lin
- Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (Y.-T.L.); (C.-M.T.)
| | - Chi-Minh Truong
- Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (Y.-T.L.); (C.-M.T.)
| | - Pai-Shan Chen
- Graduate Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 100, Taiwan;
| | - Huihua-Kenny Chiang
- Institute of Biomedical Engineering, National Yang-Ming University, Taipei 112, Taiwan
- Correspondence: (P.-C.C.); (H.-K.C.)
| |
Collapse
|
18
|
Cheng CN, Wu CC, Kuo CH, Wang CC, Wang JT, Lin YT, Jhang RS, Lin SW. Impact of high plasma concentrations of linezolid in Taiwanese adult patients- therapeutic drug monitoring in improving adverse drug reactions. J Formos Med Assoc 2020; 120:466-475. [PMID: 32600864 DOI: 10.1016/j.jfma.2020.06.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 05/19/2020] [Accepted: 06/09/2020] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Previous studies have shown that the development of thrombocytopenia was associated with the elevated plasma concentration of linezolid, but little is known about the relationship between other uncommon adverse drug reactions (ADRs) and plasma concentration. The appropriate dosing adjustment has remained controversial. This prospective observational study was conducted to investigate the association between the plasma concentration of linezolid, ADRs, and clinical outcomes. METHODS Adult patients on linezolid treatment undergoing at least one therapeutic drug monitoring (TDM) were enrolled. The association between linezolid concentrations and ADRs was examined by multivariate Cox regression model. Predictors of linezolid concentrations was determined by linear regression model. The cut-off point of linezolid concentration and the effect of dosing adjustments based on TDM was also explored. RESULTS Of 50 patients enrolled in the study, plasma concentrations were 1.5-3 times higher than what was described in the prescribing information. The median minimum concentration (Cmin) was significantly higher in patients with thrombocytopenia compared to patients without thrombocytopenia (13.0 vs. 7.2 μg/mL, P = 0.0273), and a higher median maximum concentration was also observed in patients with lactic acidosis (33.0 vs. 27.5 μg/mL, P = 0.0420). The Cmin was elevated in patients with advanced age and severely impaired renal function. Dosing adjustment tailored by early TDM with the upper limit of Cmin 9 μg/mL may improve platelet counts. CONCLUSION Elevated linezolid concentrations were associated with thrombocytopenia and lactic acidosis. TDM-guided dosing adjustment could be considered as a pragmatic way to mitigate thrombocytopenia.
Collapse
Affiliation(s)
- Chih-Ning Cheng
- Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chien-Chih Wu
- Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan; School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ching-Hua Kuo
- Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan; School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chi-Chuan Wang
- Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan; School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Jann-Tay Wang
- Division of Infectious Diseases, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Ya-Ting Lin
- Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan; School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ren-Shiang Jhang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Shu-Wen Lin
- Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan; School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan.
| |
Collapse
|
19
|
Chin YPH, Hou ZY, Lee MY, Chu HM, Wang HH, Lin YT, Gittin A, Chien SC, Nguyen PA, Li LC, Chang TH, Li YCJ. A patient-oriented, general-practitioner-level, deep-learning-based cutaneous pigmented lesion risk classifier on a smartphone. Br J Dermatol 2020; 182:1498-1500. [PMID: 31907926 DOI: 10.1111/bjd.18859] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Y P H Chin
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Department of Biomedical Informatics, Harvard Medical School, Boston, MA, U.S.A
| | - Z Y Hou
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,International Centre for Health Information Technology, Taipei Medical University, Taipei, Taiwan
| | - M Y Lee
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,International Centre for Health Information Technology, Taipei Medical University, Taipei, Taiwan
| | - H M Chu
- Department of Computer Science and Information Engineering, National Taiwan University, Taipei, Taiwan
| | - H H Wang
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Department of Dermatology, Taipei Municipal Wan Fang Hospital, Taipei, Taiwan
| | - Y T Lin
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Department of Dermatology, Taipei Municipal Wan Fang Hospital, Taipei, Taiwan
| | - A Gittin
- Department of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - S C Chien
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,International Centre for Health Information Technology, Taipei Medical University, Taipei, Taiwan
| | - P A Nguyen
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,International Centre for Health Information Technology, Taipei Medical University, Taipei, Taiwan
| | - L C Li
- International Centre for Health Information Technology, Taipei Medical University, Taipei, Taiwan
| | - T H Chang
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Clinical Big Data Research Centre, Taipei Medical University Hospital, Taipei, Taiwan
| | - Y C J Li
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,International Centre for Health Information Technology, Taipei Medical University, Taipei, Taiwan.,Department of Dermatology, Taipei Municipal Wan Fang Hospital, Taipei, Taiwan
| |
Collapse
|
20
|
Jhang RS, Lin SY, Peng YF, Chao HC, Tsai IL, Lin YT, Liao HW, Tang SC, Kuo CH, Jeng JS. Using the PCI-IS Method to Simultaneously Estimate Blood Volume and Quantify Nonvitamin K Antagonist Oral Anticoagulant Concentrations in Dried Blood Spots. Anal Chem 2020; 92:2511-2518. [DOI: 10.1021/acs.analchem.9b04063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Ren-Shiang Jhang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
| | - Shin-Yi Lin
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
- Department of Pharmacy, National Taiwan University Hospital, Taipei 10617, Taiwan
| | - Yu-Fong Peng
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
| | - Hsi-Chun Chao
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
| | - I-Lin Tsai
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Ya-Ting Lin
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
| | - Hsiao-Wei Liao
- Faculty of Pharmacy, National Yang-Ming University, Taipei 11221, Taiwan
| | - Sung-Chun Tang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
- Department of Pharmacy, National Taiwan University Hospital, Taipei 10617, Taiwan
| | - Jiann-Shing Jeng
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei 10617, Taiwan
| |
Collapse
|
21
|
Hong X, Min SN, Zhang YY, Lin YT, Wang F, Huang Y, Yu GY, Wu LL, Yang HY. TNF-α Suppresses Autophagic Flux in Acinar Cells in IgG4-Related Sialadenitis. J Dent Res 2019; 98:1386-1396. [PMID: 31461632 DOI: 10.1177/0022034519871890] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
IgG4-related sialadenitis (IgG4-RS) is a newly recognized immune-mediated systemic fibroinflammatory disease that affects salivary glands and leads to hyposalivation. Tumor necrosis factor-α (TNF-α) is a critical proinflammatory cytokine involved in several salivary gland disorders, but its role and mechanism regarding acinar cell injury in IgG4-RS are unknown. Here, we found that TNF-α level was significantly increased in serum and submandibular gland (SMG) of patients and that serum TNF-α level was negatively correlated with saliva flow rate. Ultrastructural observations of IgG4-RS SMGs revealed accumulation of large autophagic vacuoles, as well as dense fibrous bundles, decreased secretory granules, widened intercellular spaces, swollen mitochondria, and expanded endoplasmic reticulum. Expression levels of LC3 and p62 were both increased in patients' SMGs. TNF-α treatment led to elevated levels of LC3II and p62 in both SMG-C6 cells and cultured human SMG tissues but did not further increase their levels when combined with bafilomycin A1 treatment. Moreover, transfection of Ad-mCherry-GFP-LC3B in SMG-C6 cells confirmed the suppression of autophagic flux after TNF-α treatment. Immunofluorescence imaging revealed that costaining of LC3 and the lysosomal marker LAMP2 was significantly decreased in patients, TNF-α-treated SMG-C6 cells, and cultured human SMGs, indicating a reduction in autophagosome-lysosome fusion. Furthermore, the ratio of pro/mature cathepsin D was elevated in vivo, ex vivo, and in vitro. TNF-α also appeared to induce abnormal acidification of lysosomes in acinar cells, as assessed by lysosomal pH and LysoTracker DND-26 fluorescence intensity. In addition, TNF-α treatment induced transcription factor EB (TFEB) redistribution in SMG-C6 cells, which was consistent with the changes observed in IgG4-RS patients. TNF-α increased the phosphorylation of extracellular signal-regulated kinase (ERK) 1/2, and inhibition of ERK1/2 by U0126 reversed TNF-α-induced TFEB redistribution, lysosomal dysfunction, and autophagic flux suppression. These findings suggest that TNF-α is a key cytokine related to acinar cell injury in IgG4-RS through ERK1/2-mediated autophagic flux suppression.
Collapse
Affiliation(s)
- X Hong
- Department of Oral and Maxillofacial Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University, the Hong Kong University of Science and Technology Medical Center, Shenzhen, P.R. China
| | - S N Min
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, P.R. China
| | - Y Y Zhang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, P.R. China
| | - Y T Lin
- Department of Oral and Maxillofacial Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University, the Hong Kong University of Science and Technology Medical Center, Shenzhen, P.R. China
| | - F Wang
- Department of Oral and Maxillofacial Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University, the Hong Kong University of Science and Technology Medical Center, Shenzhen, P.R. China
| | - Y Huang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, P.R. China
| | - G Y Yu
- Department of Oral and Maxillofacial Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University, the Hong Kong University of Science and Technology Medical Center, Shenzhen, P.R. China.,Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, P.R. China
| | - L L Wu
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences, Beijing, P.R. China
| | - H Y Yang
- Department of Oral and Maxillofacial Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University, the Hong Kong University of Science and Technology Medical Center, Shenzhen, P.R. China
| |
Collapse
|
22
|
Zhou ZZ, Li XZ, Cheng J, Zhang W, Zeng CH, Lin YT, Shao YX, Huang YL, Liu L. [Clinical features and genetics studies of Finnish variant late infantile neuronal ceroid lipofuscinosis in two families]. Zhonghua Er Ke Za Zhi 2019; 56:601-604. [PMID: 30078242 DOI: 10.3760/cma.j.issn.0578-1310.2018.08.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To report clinical feature and results of genetic analysis of 3 patients from 2 families with Finnish variant late infantile neuronal ceroid lipofuscinosis. Methods: The clinical and ultrastructural features of 3 patients with progressive neurodegenerative diseases were retrospectively analyzed from October 2014 to December 2016 in Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center. The whole exon sequencing and Sanger sequencing were used to analyze the molecular genetics of the patients and their parents. Results: The probands were 11 years and 3 moths, 9 years and 1 month,10 years and 1 month old. All were normal at birth, and from 5-6 years old they began to develop "regression of cognition and motion, impaired vision". Physical examination at the first consultation: clear minded butignorant, unable to speak and understand instructions, unable to stand up and sit alone, unable to maintain postureupright. The brain magnetic resonance imaging(MRI) indicated diffuse cerebral and cerebellar atrophy, white matter damage. Blood biochemistry, lactic acid, acid-base balancewere normal. Electron microscopic examination of peripheral blood lymphocytes showed swelling of the nucleus, autophagy, intracellular massive deposits and abnormal vacuoles. Two compound heterozygous c.334C> T (p.Arg112Cys) and c.595C> T (p.Arg199Ter) mutations of CLN5 gene were identified in the two siblings, and the proband 3 was c.335G> A (p.Arg199His) homozyousmutation, which were inherited from their unaffected parents. Conclusions: The 3 cases with Finnish variant late infantileneuronal ceroid lipofuscinosises were normal at birth, cognitive and motor function was regressed at preschool age.Brain MRI showed whole brain atrophy, white matter lesions, there were no bovious difference from other neurodegenerative diseases. Blood biochemistry and pathological examination of lymphocytes had no specific changes. The pathogenic genes were CLN5,most are inherited in autosomal recessive way.
Collapse
Affiliation(s)
- Z Z Zhou
- Department of Genetics and Endocrinology, Guangzhou Women and Children's Medical Center, Guangzhou 510623, China
| | | | | | | | | | | | | | | | | |
Collapse
|
23
|
Hsu YL, Chen CC, Lin YT, Wu WK, Chang LC, Lai CH, Wu MS, Kuo CH. Evaluation and Optimization of Sample Handling Methods for Quantification of Short-Chain Fatty Acids in Human Fecal Samples by GC–MS. J Proteome Res 2019; 18:1948-1957. [DOI: 10.1021/acs.jproteome.8b00536] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Ya-Lin Hsu
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei City, Taiwan
- The Metabolomics Core Laboratory, Center of Genomic Medicine, National Taiwan University, Taipei City, Taiwan
| | - Chieh-Chang Chen
- Departments of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei City, Taiwan
| | - Ya-Ting Lin
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei City, Taiwan
- The Metabolomics Core Laboratory, Center of Genomic Medicine, National Taiwan University, Taipei City, Taiwan
| | - Wei-Kai Wu
- Department of Internal Medicine, National Taiwan University Hospital Bei-Hu Branch, Taipei City, Taiwan
- Institute of Food Science and Technology, National Taiwan University, Taipei City, Taiwan
| | - Lin-Chau Chang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei City, Taiwan
| | - Chang-Hao Lai
- Departments of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei City, Taiwan
| | - Ming-Shiang Wu
- Departments of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei City, Taiwan
| | - Ching-Hua Kuo
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei City, Taiwan
- The Metabolomics Core Laboratory, Center of Genomic Medicine, National Taiwan University, Taipei City, Taiwan
- Department of Pharmacy, National Taiwan University Hospital, Taipei City, Taiwan
| |
Collapse
|
24
|
Zhang TY, Shang XL, Xie YX, Lin YT, Zhang QJ, Li D, Xin YC. [The effects of postauricular injection of methylprednisolone on medium-high frequency sudden hearing loss]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:537-540. [PMID: 29798087 DOI: 10.13201/j.issn.1001-1781.2018.07.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Indexed: 11/12/2022]
Abstract
Objective:To study the effects of postauricular injection of methylprednisolone on medium-high frequency sudden hearing loss.Method:The data of 45 patients with invalid treatment who were diagnosed as medium-high frequency sudden hearing loss were retrospectively studied. They were divided into postauricular injection group and non-postauricular injection group. The treatment efficiency and hearing improvement at each frequency were compared between the two groups.Result:The improvements of hearing threshold in the non-postauricular injection group were(6.30±5.00)dB HL,(3.80±5.52)dB HL,(5.35±5.50)dB HL,(15.60±11.84)dB HL,(19.60±13.46)dB HL,(15.40±12.90)dB HL at 250, 500, 1000, 2000, 4000 and 8000Hz, respectively. The hearing improvements of the postauricular injection group were (5.35±6.22)dB HL,(2.50±3.00)dB HL,(4.65±6.60)dB HL,(23.75±10.75)dB HL,(25.75±11.73)dB HL,(30.50±14.50)dB HL at 250, 500,1000,2000,4000 and 8000Hz, respectively. There were significant differences between the two groups in hearing improvements at 2000-8000Hz. The treatment effective rates were 44% and 80% for the non-postauricular injection group and postauricular injection group respectively, which showed a significant difference(χ²=8.385P<0.05).Conclusion:Postauricular injection of methylprednisolone as a remedy treatment is safe and effective for sudden hearing loss in middle and high frequency.
Collapse
Affiliation(s)
- T Y Zhang
- Hebei North University,Zhangjiakou,075000,China
| | | | | | | | | | | | | |
Collapse
|
25
|
Huang SH, Lin SW, Chang SY, Lin YT, Sun HY, Liu WC, Su YC, Hung CC, Chang SC. Effectiveness of half-a-tablet efavirenz plus 2 nucleos(t)ide reverse-transcriptase inhibitors as maintenance therapy with the guidance of therapeutic drug monitoring among virologically suppressed HIV-positive patients: A prospective study. J Microbiol Immunol Infect 2018; 53:60-68. [PMID: 29884449 DOI: 10.1016/j.jmii.2018.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 04/29/2018] [Accepted: 05/07/2018] [Indexed: 01/11/2023]
Abstract
BACKGROUND Optimal efavirenz (EFV) dose that minimizes adverse effects while maintaining efficacy has yet to be elucidated. With a therapeutic drug monitoring (TDM)-guided strategy, we assessed the effectiveness of half-a-tablet EFV plus 2 nucleos(t)ide reverse-transcriptase inhibitors (NRTIs) in HIV-infected Taiwanese who had achieved viral suppression with full-dose (600 mg) EFV. METHODS HIV-infected adults receiving EFV-containing regimens who had plasma mid-dose EFV concentration (C12) ≥2.0 mg/L and had plasma HIV RNA load (PVL) <200 copies/mL were enrolled in this single-arm, open-label study by reducing EFV to half-a-tablet daily. The primary endpoint was PVL <50 copies/ml in an intention-to-treat (ITT) population at week 48. The secondary endpoints were the plasma EFV C12, the proportion of patients with plasma EFV C12 <1.0 mg/L, PVL <50 copies/ml at week 96 and week 144. RESULTS Between April 2013 and September 2016, 203 patients (93.6% male; median age, 39.0 years) were enrolled. The median EFV C12 before switch was 2.80 mg/L (interquartile range (IQR), 2.41-3.73), which decreased to 1.59 mg/L (IQR, 1.23-2.03) after switch with a reduction of 47.4% (IQR, 38.3-55.5%). In ITT analysis, 93.6%, 92.3% and 87.3% of the patients achieved PVL <50 copies/ml at weeks 48, 96 and 144, respectively. More than 70% of the patients reported alleviation of EFV-associated adverse effects following the switch. CONCLUSION Under the guidance of TDM, switch to half-a-tablet EFV plus 2 NRTIs is effective in maintaining viral suppression in HIV-infected Taiwanese with EFV C12 ≥ 2.0 mg/L.
Collapse
Affiliation(s)
- Sung-Hsi Huang
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan
| | - Shu-Wen Lin
- Department of Pharmacy, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Graduate Institute of Clinical Pharmacy, National Taiwan University College of Medicine, Taipei, Taiwan; School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Sui-Yuan Chang
- Department of Laboratory Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ya-Ting Lin
- School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Hsin-Yun Sun
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Wen-Chun Liu
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yi-Ching Su
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chien-Ching Hung
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Department of Parasitology, National Taiwan University College of Medicine, Taipei, Taiwan; Department of Medical Research, China Medical University Hospital, Taichung, Taiwan; China Medical University, Taichung, Taiwan.
| | - Shan-Chwen Chang
- Graduate Institute of Clinical Pharmacy, National Taiwan University College of Medicine, Taipei, Taiwan; Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| |
Collapse
|
26
|
Ho CB, Hsieh K, Chen WY, Lin YT, Chiou JF, Lee HL, Shiah HS. Effective sirolimus treatment for refractory spindle cell haemangioma. Br J Dermatol 2018; 179:976-977. [PMID: 29750334 DOI: 10.1111/bjd.16739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- C B Ho
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
| | - K Hsieh
- Department of Medical Imaging, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - W Y Chen
- Department of Pathology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Y T Lin
- Department of Dermatology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - J F Chiou
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan.,The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taipei Medical University, Taipei, Taiwan
| | - H L Lee
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.,Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan.,The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taipei Medical University, Taipei, Taiwan
| | - H S Shiah
- Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan.,Division of Hematology and Oncology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| |
Collapse
|
27
|
Liao HW, Lin SW, Lin YT, Lee CH, Kuo CH. Identification of potential sphingomyelin markers for the estimation of hematocrit in dried blood spots via a lipidomic strategy. Anal Chim Acta 2018; 1003:34-41. [DOI: 10.1016/j.aca.2017.11.041] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 11/16/2017] [Accepted: 11/17/2017] [Indexed: 11/28/2022]
|
28
|
Huang SH, Lin SW, Chang SY, Lin YT, Chiang C, Hsiao CF, Sun HY, Liu WC, Su YC, Hung CC, Chang SC. Prediction of plasma efavirenz concentrations among HIV-positive patients taking efavirenz-containing combination antiretroviral therapy. Sci Rep 2017; 7:16187. [PMID: 29170492 PMCID: PMC5701031 DOI: 10.1038/s41598-017-16483-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 11/13/2017] [Indexed: 12/27/2022] Open
Abstract
We investigated the predictors of plasma mid-dose concentrations (C12) of efavirenz by enrolling 456 HIV-positive patients who had received 2 nucleos(t)ide reverse-transcriptase inhibitors plus efavirenz (600 mg daily) for 2 weeks or longer and had their CYP2B6 516G>T polymorphism and efavirenz C12 determined. The median efavirenz C12 was 2.41 mg/L (IQR, 1.93–3.14). In analysis of covariance models, patients with CYP2B6 516GT and TT genotypes compared to those with GG genotype had higher efavirenz C12 (for GT genotype, an increase by 0.976 mg/L [95%CI, 0.765–1.188], and TT genotype, 4.871 mg/L [95%CI, 4.126–5.616]), while per 10-kg increment in weight decreased C12 by 0.199 mg/L (95%CI, 0.111–0.287). Models incorporating CYP2B6 516G>T polymorphism and weight had moderate predictive values in predicting efavirenz C12 ≥ 2 mg/L (ROC area under curve = 0.706 [95%CI, 0.656–0.756]). In the absence of CYP2B6 516G>T polymorphism, weight ≤58 kg provided better predictabilities for efavirenz C12 ≥ 2 mg/L (probability, 77.1% [95%CI, 69.0–83.5%] for weight = 50 kg and 70.6% [95%CI, 64.1–76.4%] for weight = 58 kg).
Collapse
Affiliation(s)
- Sung-Hsi Huang
- Department of Emergency Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan
| | - Shu-Wen Lin
- Department of Pharmacy, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.,Graduate Institute of Clinical Pharmacy, National Taiwan University College of Medicine, Taipei, Taiwan.,School of Pharmacy, National Taiwan University, Taipei, Taiwan
| | - Sui-Yuan Chang
- Department of Laboratory Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.,Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ya-Ting Lin
- Graduate Institute of Clinical Pharmacy, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chieh Chiang
- Institute of Population Health Sciences, National Health Research Institutes, Miaoli, Taiwan
| | - Chin-Fu Hsiao
- Institute of Population Health Sciences, National Health Research Institutes, Miaoli, Taiwan
| | - Hsin-Yun Sun
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Wen-Chun Liu
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yi-Ching Su
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chien-Ching Hung
- Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan. .,Department of Parasitology, National Taiwan University College of Medicine, Taipei, Taiwan. .,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan. .,China Medical University, Taichung, Taiwan.
| | - Shan-Chwen Chang
- Graduate Institute of Clinical Pharmacy, National Taiwan University College of Medicine, Taipei, Taiwan.,Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| |
Collapse
|
29
|
Abstract
UNLABELLED The use of local anaesthesia and adrenaline for hand surgery is gaining popularity; however, where vascularity is impaired, wide-awake surgery is considered a contraindication. We present our case series of five digital devascularizations and eight amputations that underwent surgery using the 'wide-awake' anaesthetic technique. A temporary digital tourniquet (< 20 min) was used in three cases to identify structures quickly. The anastomoses were performed under local anaesthesia without a tourniquet. All cases had successful re-establishment of blood flow with good perfusion to the digital tips; no cases were re-explored because of vascular crisis. Four cases had minor superficial soft tissue necrosis that healed secondarily. We conclude that digital revascularization and replantation can be performed under local anaesthesia with use of adrenaline and without detriment to the traumatized digit provided careful patient selection and adequate operator experience are available. LEVEL OF EVIDENCE IV.
Collapse
Affiliation(s)
- Jkf Wong
- 1 Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung Medical College and Chang Gung University, Taipei, Taiwan.,2 Blond McIndoe Laboratories, Institute of Inflammation and Repair, University of Manchester, Manchester, UK
| | - C H Lin
- 1 Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung Medical College and Chang Gung University, Taipei, Taiwan
| | - N J Chang
- 1 Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung Medical College and Chang Gung University, Taipei, Taiwan
| | - H C Chen
- 1 Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung Medical College and Chang Gung University, Taipei, Taiwan
| | - Y T Lin
- 1 Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung Medical College and Chang Gung University, Taipei, Taiwan
| | - C C Hsu
- 1 Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung Medical College and Chang Gung University, Taipei, Taiwan
| |
Collapse
|
30
|
Hsia K, Yang MJ, Chen WM, Yao CL, Lin CH, Loong CC, Huang YL, Lin YT, Lander AD, Lee H, Lu JH. Sphingosine-1-phosphate improves endothelialization with reduction of thrombosis in recellularized human umbilical vein graft by inhibiting syndecan-1 shedding in vitro. Acta Biomater 2017; 51:341-350. [PMID: 28110073 DOI: 10.1016/j.actbio.2017.01.050] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 01/16/2017] [Accepted: 01/17/2017] [Indexed: 12/31/2022]
Abstract
Sphingosine-1-phosphate (S1P) has been known to promote endothelial cell (EC) proliferation and protect Syndecan-1 (SDC1) from shedding, thereby maintaining this antithrombotic signal. In the present study, we investigated the effect of S1P in the construction of a functional tissue-engineered blood vessel by using human endothelial cells and decellularized human umbilical vein (DHUV) scaffolds. Both human umbilical vein endothelial cells (HUVEC) and human cord blood derived endothelial progenitor cells (EPC) were seeded onto the scaffold with or without the S1P treatment. The efficacy of re-cellularization was determined by using the fluorescent marker CellTracker CMFDA and anti-CD31 immunostaining. The antithrombotic effect of S1P was examined by the anti-aggregation tests measuring platelet adherence and clotting time. Finally, we altered the expression of SDC1, a major glycocalyx protein on the endothelial cell surface, using MMP-7 digestion to explore its role using platelet adhesion tests in vitro. The result showed that S1P enhanced the attachment of HUVEC and EPC. Based on the anti-aggregation tests, S1P-treated HUVEC recellularized vessels when grafted showed reduced thrombus formation compared to controls. Our results also identified reduced SDC1 shedding from HUVEC responsible for inhibition of platelet adherence. However, no significant antithrombogenic effect of S1P was observed on EPC. In conclusion, S1P is an effective agent capable of decreasing thrombotic risk in engineered blood vessel grafts. STATEMENT OF SIGNIFICANCE Sphingosine-1phosphate (S1P) is a low molecular-weight phospholipid mediator that regulates diverse biological activities of endothelial cell, including survival, proliferation, cell barrier integrity, and also influences the development of the vascular system. Based on these characters, we the first time to use it as an additive during the process of a small caliber blood vessel construction by decellularized human umbilical vein and endothelial cell/endothelial progenitor. We further explored the function and mechanism of S1P in promoting revascularization and protection against thrombosis in this tissue engineered vascular grafts. The results showed that S1P could not only accelerate the generation but also reduce thrombus formation of small caliber blood vessel.
Collapse
|
31
|
Song XY, Shang XL, Zhang YT, Lin YT, Xu GG, Xue G, Zhang QJ, Zou F. [Investigation of CXCR4 mediated chemoresistance in nasopharyngeal carcinoma cell line CNE2]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2016; 30:887-891;896. [PMID: 29797935 DOI: 10.13201/j.issn.1001-1781.2016.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Indexed: 11/12/2022]
Abstract
Objective:Since nasopharyngeal carcinoma is easy to develop resistance during cisplatin-based chemotherapy,CXCR4 expression levels were elevated in mang tumors,and the factor to do with tumor metastasis and chemotherapy drug resistance,and so on has a very important link.We established cisplatin-resistant nasopharyngeal carcinoma cell line, named as CNE2/DDP, and investigated the function of CXCR4 in molecular mechanism behind this resistance.Method:CNE2/DDP was firstly build up by increasing concentration of cisplatin. And then afterwards,MTT assay, RNA interference techniques, microRNA overexpresion techniques, quantative PCR and western blotting were applied to analyze the function of CXCR4 and its downstream effectors.Result:①the expression of CXCR4 was increased in CNE2/DDP and downregulation of CXCR4 with CXCR4 siRNA was able to decrease the resistance of CNE/DDP to cisplatin; ②the expression of let-7a was decrease in CNE2/DDP, while the expression of bcl-2 was increased. Upregulation of let-7a via transfection of let-7a mimics could downregulate the expression of bcl-2 and damage the resistance of CNE2/DDP to cisplation;③downregulation of CXCR4 through CXCR4 siRNA transfection was capable of improving the expression of let-7a. Conclusion:We were the first to found that CXCR4 was related to chemoresistance of CNE2/DPP to cisplatin. Meanwhile, we confirmed that CXCR4 affected the expression of bcl-2 through regulating the expression of let-7a to modulate the chemoresistance of CNE2/DPP to cisplatin.
Collapse
Affiliation(s)
- X Y Song
- Institute of Pathogen Biology and Immunology of Hebei North University, Zhangjiakou,075000,China
| | - X L Shang
- Department of Otolaryngology Head and Neck Surgery,the First Attached Hospital of Hebei North University
| | - Y T Zhang
- Institute of Pathogen Biology and Immunology of Hebei North University, Zhangjiakou,075000,China
| | - Y T Lin
- Department of Otolaryngology Head and Neck Surgery,the First Attached Hospital of Hebei North University
| | - G G Xu
- Department of Otolaryngology Head and Neck Surgery,the First Attached Hospital of Hebei North University
| | - G Xue
- Department of Otolaryngology Head and Neck Surgery,the First Attached Hospital of Hebei North University
| | - Q J Zhang
- Department of Otolaryngology Head and Neck Surgery,the First Attached Hospital of Hebei North University
| | - F Zou
- Institute of Pathogen Biology and Immunology of Hebei North University, Zhangjiakou,075000,China
| |
Collapse
|
32
|
Liu YC, Wei J, Li YP, Li D, Liu YB, Xu GG, Xue G, Lin YT, Shang XL. [Study on anti-oxidase in smoking-related laryngeal squamous cell carcinoma]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2016; 30:733-736. [PMID: 29771025 DOI: 10.13201/j.issn.1001-1781.2016.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/19/2015] [Indexed: 11/12/2022]
Abstract
Objective:To investigate the role of oxidative stress in smoking-related laryngeal squamous carcinoma through detecting the expression of antioxidant enzymes in smoking patients. Method:A total of 138 cases with laryngeal squamous cell carcinoma enrolled in the first hospital affiliated the northern he bei college from 2012 to 2015 and forty five volunteers were conducted. All participants were divided into three groups according to smoking index: group A(heavy smoking, 88 cases of laryngeal cancer patients) and group B(no smoking 50 cases of laryngeal cancer patients) and C group(45 heavy smoking volunteers).Catalase(CAT), glutathione peroxidase(GSH-px) and malondialdehyde(MDA) and the expression of NRF2 in serum, tissue adjacent to carcinoma, and carcinoma tissues from each groups were measured, respectively. Result:①the expression of the CAT and GSH-px in group A were significantly lower than that of group B(P <0.05), but higher than that of group C(P <0.05); ②the MDA level of group A is significantly higher than group B(P <0.05) and C group(P <0.01);③NRF2 was highly expressed in carcinoma tissues, and the expression level was negatively correlated with degree of carcinoma differentiation (P <0.05). Conclusion:Compared with nonsmoking patients, heavy smoking patients with laryngeal cancer were under more severe oxidative stress. NRF2 expression level in patients with laryngeal squamous cell carcinomas was associated with pathological stage.
Collapse
Affiliation(s)
- Y C Liu
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - J Wei
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - Y P Li
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - D Li
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - Y B Liu
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - G G Xu
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - G Xue
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - Y T Lin
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| | - X L Shang
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Hebei North University, Zhangjiakou, 075000, China
| |
Collapse
|
33
|
Lin YT, Liang C, Yu CW. Trichloroethylene Degradation by Various Forms of Iron Activated Persulfate Oxidation with or without the Assistance of Ascorbic Acid. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.5b04352] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ya-Ting Lin
- Department
of Environmental Engineering, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li District, Taoyuan
City 320, Taiwan
| | - Chenju Liang
- Department
of Environmental Engineering, National Chung Hsing University 250
Kuo-kuang Road, Taichung 402, Taiwan
| | - Chun-Wei Yu
- Department
of Environmental Engineering, National Chung Hsing University 250
Kuo-kuang Road, Taichung 402, Taiwan
| |
Collapse
|
34
|
Liang C, Lin YT, Shiu JW. Reduction of nitrobenzene with alkaline ascorbic acid: Kinetics and pathways. J Hazard Mater 2016; 302:137-143. [PMID: 26453825 DOI: 10.1016/j.jhazmat.2015.09.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 07/20/2015] [Accepted: 09/14/2015] [Indexed: 06/05/2023]
Abstract
Alkaline ascorbic acid (AA) exhibits the potential to reductively degrade nitrobenzene (NB), which is the simplest of the nitroaromatic compounds. The nitro group (NO2(-)) of NB has a +III oxidation state of the N atom and tends to gain electrons. The effect of alkaline pH ranging from 9 to 13 was initially assessed and the results demonstrated that the solution pH, when approaching or above the pKa2 of AA (11.79), would increase reductive electron transfer to NB. The rate equation for the reactions between NB and AA at pH 12 can be described as r=((0.89±0.11)×10(-4) mM(1-(a+b))h(-1))×[NB](a=1.35±0.10)[AA](b=0.89±0.01). The GC/MS analytical method identified nitrosobenzene, azoxybenzene, and azobenzene as NB reduction intermediates, and aniline (AN) as a final product. These experimental results indicate that the alkaline AA reduction of NB to AN mainly proceeds via the direct route, consisting of a series of two-electron or four-electron transfers, and the condensation reaction plays a minor route. Preliminary evaluation of the remediation of spiked NB contaminated soils revealed that maintenance of alkaline pH and a higher water to soil ratio are essential for a successful alkaline AA application.
Collapse
Affiliation(s)
- Chenju Liang
- Department of Environmental Engineering, National Chung Hsing University 250, Kuo-kuang Road, Taichung 402, Taiwan.
| | - Ya-Ting Lin
- Department of Environmental Engineering, Chung Yuan Christian University, 200 Chung Pei Road, Chung Li District, Taoyuan City 320, Taiwan
| | - Jia-Wei Shiu
- Department of Environmental Engineering, National Chung Hsing University 250, Kuo-kuang Road, Taichung 402, Taiwan
| |
Collapse
|
35
|
He H, Xu F, Huang W, Luo SY, Lin YT, Zhang GH, Du Q, Duan RH. miR-125a-5p expression is associated with the age of breast cancer patients. Genet Mol Res 2015; 14:17927-33. [PMID: 26782438 DOI: 10.4238/2015.december.22.17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Dysregulated miR-125 observed in multiple cancer types has suggested that it is involved in malignant proliferation and invasion. However, the clinical significance of miR-125 in human breast cancer (BC) has not yet been fully elucidated. In the present study, the expression of miR-125a-5p/3p and miR-125b in 143 pairs of BC and normal adjacent tissues (NATs) was measured by real-time quantitative PCR, and the correlation between expression and clinicopathological features was explored. miR-125a-5p and miR-125b were significantly down-regulated in BC tissue samples compared with their matched NAT samples, while the difference in miR-125a-3p expression between BC tissues and NATs was not statistically significant. The expression level of miR-125a-5p was found to be significantly higher in younger patients (<35 years) than in older patients (≥35, P = 0.005). When the patients were divided into three groups according to age (<35, 36-48, and ≥48 years), a gradual reduction in miR-125a-5p expression was observed in BC tissue samples that correlated to increases in age (P = 0.009). There were no significant correlations between miR-125 expression and other clinicopathological features including tumor size, histological grade, hormone receptor status, Her-2 status, and lymph node metastasis. Taken together, these findings suggest that miR-125a-5p may play an important role in BC progression in an age-dependent manner, and that the down-regulation of miR-125a-5p and miR-125b may serve as independent predictors for breast cancer.
Collapse
Affiliation(s)
- H He
- The State Key Laboratory of Medical Genetics & School of Life Sciences, Central South University, Changsha, China
| | - F Xu
- Department of Breast and Thyroid Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - W Huang
- The State Key Laboratory of Medical Genetics & School of Life Sciences, Central South University, Changsha, China
| | - S Y Luo
- The State Key Laboratory of Medical Genetics & School of Life Sciences, Central South University, Changsha, China
| | - Y T Lin
- The State Key Laboratory of Medical Genetics & School of Life Sciences, Central South University, Changsha, China
| | - G H Zhang
- The State Key Laboratory of Medical Genetics & School of Life Sciences, Central South University, Changsha, China
| | - Q Du
- The State Key Laboratory of Medical Genetics & School of Life Sciences, Central South University, Changsha, China
| | - R H Duan
- The State Key Laboratory of Medical Genetics & School of Life Sciences, Central South University, Changsha, China
| |
Collapse
|
36
|
Lin YT, Liang C. Reductive dechlorination of carbon tetrachloride using buffered alkaline ascorbic acid. Chemosphere 2015; 136:27-31. [PMID: 25912910 DOI: 10.1016/j.chemosphere.2015.04.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 03/11/2015] [Accepted: 04/05/2015] [Indexed: 06/04/2023]
Abstract
Alkaline ascorbic acid (AA) was recently discovered as a novel in-situ chemical reduction (ISCR) reagent for remediating chlorinated solvents in the subsurface. For this ISCR process, the maintenance of an alkaline pH is essential. This study investigated the possibility of the reduction of carbon tetrachloride (CT) using alkaline AA solution buffered by phosphate and by NaOH. The results indicated that CT was reduced by AA, and chloroform (CF) was a major byproduct at a phosphate buffered pH of 12. However, CT was completely reduced by AA in 2M NaOH without CF formation. In the presence of iron/soil minerals, iron could be reduced by AA and Fe(2+) tends to precipitate on the mineral surface to accelerate CT degradation. A simultaneous transfer of hydrogenolysis and dichloroelimination would occur under phosphate buffered pH 12. This implies that a high alkaline environment is a crucial factor for maintaining the dominant pathway of two electron transfer from dianionic AA to dehydroascorbic acid, and to undergo dichloroelimination of CT. Moreover, threonic acid and oxalic acid were identified to be the major AA decomposition products in alkaline solutions.
Collapse
Affiliation(s)
- Ya-Ting Lin
- Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung 402, Taiwan
| | - Chenju Liang
- Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung 402, Taiwan.
| |
Collapse
|
37
|
Chiang ML, Chen HC, Chen KN, Lin YC, Lin YT, Chen MJ. Optimizing Production of Two Potential Probiotic Lactobacilli Strains Isolated from Piglet Feces as Feed Additives for Weaned Piglets. Asian-Australas J Anim Sci 2015; 28:1163-70. [PMID: 26104525 PMCID: PMC4478485 DOI: 10.5713/ajas.14.0780] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 12/10/2014] [Accepted: 01/26/2015] [Indexed: 11/27/2022]
Abstract
Two probiotic strains, Lactobacillus johnsonii x-1d-2 and Lactobacillus mucosae x-4w-1, originally isolated from piglet feces, have been demonstrated to possess antimicrobial activities, antibiotic resistances and interleukin-6 induction ability in RAW 267.4 macrophages in our previous study. These characteristics make L. johnsonii x-1d-2 and L. mucosae x-4w-1 good candidates for application in feed probiotics. In this study, soybeal meal, molasses and sodium acetate were selected to optimize the growth medium for cultivation of L. johnsonii x-1d-2 and L. mucosae x-4w-1. These two strains were then freeze-dried and mixed into the basal diet to feed the weaned piglets. The effects of L. johnsonii x-1d-2 and L. mucosae x-4w-1 on the growth performance and fecal microflora of weaned piglets were investigated. The results showed that the bacterial numbers of L. johnsonii x-1d-2 and L. mucosae x-4w-1 reached a maximum of 8.90 and 9.30 log CFU/mL, respectively, when growing in optimal medium consisting of 5.5% (wt/vol) soybean meal, 1.0% (wt/vol) molasses and 1.0% (wt/vol) sodium acetate. The medium cost was 96% lower than the commercial de Man, Rogosa and Sharpe medium. In a further feeding study, the weaned piglets fed basal diet supplemented with freeze-dried probiotic cultures exhibited higher (p<0.05) body weight gain, feed intake, and gain/feed ratio than weaned piglets fed basal diet. Probiotic feeding also increased the numbers of lactobacilli and decreased the numbers of E. coli in the feces of weaned piglets. This study demonstrates that L. johnsonii x-1d-2 and L. mucosae x-4w-1 have high potential to be used as feed additives in the pig industry.
Collapse
Affiliation(s)
- Ming-Lun Chiang
- Department of Tourism and Hospitality, Kainan University, Taoyuan 33857, Taiwan
| | - Hsi-Chia Chen
- Council of Agriculture, Executive Yuan, Taipei 10014, Taiwan
| | - Kun-Nan Chen
- Department of Mechanical Engineering, Tungnan University, Taipei 22202, Taiwan
| | - Yu-Chun Lin
- Livestock Research Institute, Council of Agriculture, Executive Yuan, Tainan 71246, Taiwan
| | - Ya-Ting Lin
- Department of Tourism and Hospitality, Kainan University, Taoyuan 33857, Taiwan
| | - Ming-Ju Chen
- Department of Tourism and Hospitality, Kainan University, Taoyuan 33857, Taiwan
| |
Collapse
|
38
|
Shi ZH, Lin YT, Hou YM. Mother-derived trans-generational immune priming in the red palm weevil, Rhynchophorus ferrugineus Olivier (Coleoptera, Dryophthoridae). Bull Entomol Res 2014; 104:742-750. [PMID: 25208627 DOI: 10.1017/s0007485314000583] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Rhynchophorus ferrugineus (Coleoptera, Curculionidae) is the most destructive pest of palm trees worldwide containing it invasive areas, such as the southern part of China. It is always emphasized to develop integrated pest management based on biological agents, but their success is not very exciting. Presently, the immune defenses of this pest against biological agents attract scarce attention. It is still unclear whether immune priming also generally occurs in insect pests and in response to different pathogens. Our results indicated that previous challenge of bacteria pathogen enhanced the magnitude of phenoloxidase activity and antibacterial activity in R. ferrugineus larvae against the secondary infection. Furthermore, trans-generational immune priming was also determined in this pest, and only challenged R. ferrugineus mothers transferred the immune protection to their offspring which suggested males and females of this pest might have evolved different strategies on the investment of delivering immune protection to their offspring. Importantly, our data provide the evidence to suggest that different kinds of biological control agents might be used alternatively or in combination to fight against R. ferrugineus because of the existence of immune priming with low species-specific level. On the other hand, for this invasive pest, the immune priming may also facilitate its adaptation and dispersal in the new regions.
Collapse
Affiliation(s)
- Z H Shi
- Key Laboratory of Integrated Pest Management of Fujian-Taiwan Crops,Ministry of Agriculture,China
| | - Y T Lin
- Key Laboratory of Integrated Pest Management of Fujian-Taiwan Crops,Ministry of Agriculture,China
| | - Y M Hou
- Key Laboratory of Integrated Pest Management of Fujian-Taiwan Crops,Ministry of Agriculture,China
| |
Collapse
|
39
|
Affiliation(s)
- Ya-Ting Lin
- Department
of Chemistry, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
| | - Feng-Yi Lin
- Department
of Chemistry, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
| | - Minoru Isobe
- Department
of Chemistry, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
| |
Collapse
|
40
|
Lin GJ, Chen TJ, Tsai YW, Lin YT, Wu JJ, Yang YJ. Performance enhancement using a non-uniform vertical electric field and polymer networks for in-plane switching of multi-pretilt, vertically aligned liquid crystal devices. Opt Lett 2014; 39:6225-6228. [PMID: 25361320 DOI: 10.1364/ol.39.006225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A simple and reproducible alignment method for fabricating vertically aligned (VA) liquid crystal (LC) cells with a multi-pretilt structure is developed. A non-uniform vertical electric field is employed in the LC/monomer mixed cells during the photocuring process, and two pretilt domains with a functional small pretilt angle (∼1.6°) in the stabilized VA LC/polymer cells are achieved. The enhanced electro-optical performance of the cell driven by an in-plane switching field is demonstrated. Compared to the pure cell, the 2 wt.% pretilt angle cell shows 36%, 64%, and 76% improvement in the optical switch, the gray-level rise time, and the gray-level fall time responses, respectively, which are obtained at a low driving voltage (≤12 V). When applied to LC devices, the proposed method not only effectively benefits the LC molecular alignment, but it also significantly boosts the electro-optical performance.
Collapse
|
41
|
Shi JB, Wu PF, Lin HS, Lin YT, Lee HW, Kao CT, Liao WH, Young SL. Synthesis and characterization of single-crystalline zinc tin oxide nanowires. Nanoscale Res Lett 2014; 9:210. [PMID: 24872800 PMCID: PMC4019900 DOI: 10.1186/1556-276x-9-210] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Accepted: 04/16/2014] [Indexed: 06/01/2023]
Abstract
Crystalline zinc tin oxide (ZTO; zinc oxide with heavy tin doping of 33 at.%) nanowires were first synthesized using the electrodeposition and heat treatment method based on an anodic aluminum oxide (AAO) membrane, which has an average diameter of about 60 nm. According to the field emission scanning electron microscopy (FE-SEM) results, the synthesized ZTO nanowires are highly ordered and have high wire packing densities. The length of ZTO nanowires is about 4 μm, and the aspect ratio is around 67. ZTO nanowires with a Zn/(Zn + Sn) atomic ratio of 0.67 (approximately 2/3) were observed from an energy dispersive spectrometer (EDS). X-ray diffraction (XRD) and corresponding selected area electron diffraction (SAED) patterns demonstrated that the ZTO nanowire is hexagonal single-crystalline. The study of ultraviolet/visible/near-infrared (UV/Vis/NIR) absorption showed that the ZTO nanowire is a wide-band semiconductor with a band gap energy of 3.7 eV.
Collapse
Affiliation(s)
- Jen-Bin Shi
- Department of Electronic Engineering, Feng Chia University, 100, Wen-Hwa Rd, Seatwen, Taichung 40724, Taiwan
| | - Po-Feng Wu
- Ph.D. Program of Electrical and Communications Engineering, Feng Chia University, 100, Wen-Hwa Rd, Seatwen, Taichung 40724, Taiwan
| | - Hsien-Sheng Lin
- Ph.D. Program of Electrical and Communications Engineering, Feng Chia University, 100, Wen-Hwa Rd, Seatwen, Taichung 40724, Taiwan
| | - Ya-Ting Lin
- Ph.D. Program of Electrical and Communications Engineering, Feng Chia University, 100, Wen-Hwa Rd, Seatwen, Taichung 40724, Taiwan
| | - Hsuan-Wei Lee
- Ph.D. Program of Electrical and Communications Engineering, Feng Chia University, 100, Wen-Hwa Rd, Seatwen, Taichung 40724, Taiwan
| | - Chia-Tze Kao
- Department of Dentistry, College of Oral Medicine, Chung Shan Medical University, No. 110, Sec. 1, Jianguo N. Rd, Taichung 40201, Taiwan
- Dental Department, Chung Shan Medical University Hospital, No. 110, Sec. 1, Jianguo N. Rd, Taichung 40201, Taiwan
| | - Wei-Hsiang Liao
- Dental Department, Chung Shan Medical University Hospital, No. 110, Sec. 1, Jianguo N. Rd, Taichung 40201, Taiwan
- Master Degree Program in Institute of Oral Sciences, College of Oral Medicine, Chung Shan Medical University, No. 110, Sec. 1, Jianguo N. Rd, Taichung 40201, Taiwan
| | - San-Lin Young
- Department of Electronic Engineering, Hsiuping University of Science and Technology, Taichung 41280, Taiwan
| |
Collapse
|
42
|
Chen CH, Lin YT, Lin MS. Low-potential amperometric determination of purine derivatives through surface oxide regeneration method. Anal Chim Acta 2013; 796:42-7. [DOI: 10.1016/j.aca.2013.08.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 08/03/2013] [Accepted: 08/06/2013] [Indexed: 10/26/2022]
|
43
|
Lam WL, Lin WN, Bell D, Higgins JP, Lin YT, Wei FC. The physiology, microcirculation and clinical application of the shunt-restricted arterialized venous flaps for the reconstruction of digital defects. J Hand Surg Eur Vol 2013. [PMID: 23186864 DOI: 10.1177/1753193412468632] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Reconstruction of digital defects using the venous flap offer several advantages but remained unpopular owing to levels of venous congestion rates. We performed animal studies to test the hypothesis that an arterio-venous shunt increases pressure for peripheral flap perfusion and decreases venous congestion. Using an abdominal adipofascial flap model in six male Sprague-Dawley rats, microcirculation was modified as follows: type I - arterial flap; type II - flow-through arterio-venous flap (AVF); and type III - shunt-restricted AVF. In type I flaps, blood flow was observed to be unidirectional in both arterioles and venules. In type I flaps, blood flow was observed to be unidirectional in both arterioles and venules. In type II flaps, blood flow oscillated without a dominant direction and came to a standstill. In type III flaps, blood flowed proximally in a reverse direction whereas distally, flow was similar to type I flaps. In a clinical series, 21 patients received a total of 22 shunt-restricted AVFs. All 22 clinical flaps survived; four flaps suffered epidermolysis but recovered without full thickness loss.
Collapse
Affiliation(s)
- W L Lam
- Department of Plastic and Hand Surgery, Royal Hospital for Sick Children, Edinburgh, UK
| | | | | | | | | | | |
Collapse
|
44
|
Abstract
Ascorbic acid (AA) mediated electron transfer may induce reductive dechlorination of carbon tetrachloride (CCl(4)). This study investigated the role of AA in conjunction with the presence of iron minerals over a wide pH range for the reduction of CCl(4) in aqueous systems. The results indicate that CCl(4) was reduced by AA at a pH of 13 (>pKa(2, AA) of 11.79) and chloroform (CHCl3) was a transformation byproduct of CCl(4). When CCl(4) levels were reduced to near complete disappearance, the decrease of CHCl(3) was then observed. The degradation rate of CCl(4) and also the formation rate of CHCl(3) increased with increased AA concentrations. Analysis of reaction kinetics between CCl(4) and AA revealed an overall second-order reaction with a rate constant of 0.253 ± 0.018 M(-1) s(-1). Furthermore, the reduction rate of CCl(4) by AA at pH of 13 could be enhanced with the presence of iron minerals (Fe(3)O(4), Fe(2)O(3), FeOOH, and FeS2). In the absence or presence of iron minerals, the fraction of CCl(4) transformed to CHCl(3) was less than 1, indicating simultaneous one- and two-electron transfer processes. The end-products of AA at a pH of 13 included threonic acid and oxalic acid. This study highlights the potential of an alkaline AA solution for remediating chlorinated solvents.
Collapse
Affiliation(s)
- Ya-Ting Lin
- Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-kuang Road, Taichung 402, Taiwan
| | | |
Collapse
|
45
|
Zulueta MML, Lin SY, Lin YT, Huang CJ, Wang CC, Ku CC, Shi Z, Chyan CL, Irene D, Lim LH, Tsai TI, Hu YP, Arco SD, Wong CH, Hung SC. α-Glycosylation by d-Glucosamine-Derived Donors: Synthesis of Heparosan and Heparin Analogues That Interact with Mycobacterial Heparin-Binding Hemagglutinin. J Am Chem Soc 2012; 134:8988-95. [DOI: 10.1021/ja302640p] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Medel Manuel L. Zulueta
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City
1101, Philippines
| | - Shu-Yi Lin
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
- Department
of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 300, Taiwan
| | - Ya-Ting Lin
- Department
of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 300, Taiwan
| | - Ching-Jui Huang
- Department
of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 300, Taiwan
| | - Chun-Chih Wang
- Department
of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 300, Taiwan
| | - Chiao-Chu Ku
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
| | - Zhonghao Shi
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
| | - Chia-Lin Chyan
- Department of Chemistry, National Dong Hwa University, No. 1, Sec. 2, Ta-Hsueh
Road, Shoufeng, Hualien 974, Taiwan
| | - Deli Irene
- Department of Chemistry, National Dong Hwa University, No. 1, Sec. 2, Ta-Hsueh
Road, Shoufeng, Hualien 974, Taiwan
| | - Liang-Hin Lim
- Department of Chemistry, National Dong Hwa University, No. 1, Sec. 2, Ta-Hsueh
Road, Shoufeng, Hualien 974, Taiwan
| | - Tsung-I Tsai
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
| | - Yu-Peng Hu
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
- Department
of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 300, Taiwan
| | - Susan D. Arco
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City
1101, Philippines
| | - Chi-Huey Wong
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
| | - Shang-Cheng Hung
- Genomics Research Center, Academia Sinica, No. 128, Section 2, Academia Road, Taipei 115, Taiwan
- Department of Applied Chemistry, National Chiao Tung University, No. 1001, Ta-Hsueh Road, Hsinchu 300, Taiwan
| |
Collapse
|
46
|
Han YX, Lin YT, Xu JJ, Cao LL, Liu XW, Jiang H, Chi ZF. Status epilepticus stimulates peroxisome proliferator-activated receptor γ coactivator 1-α/mitochondrial antioxidant system pathway by a nitric oxide-dependent mechanism. Neuroscience 2011; 186:128-34. [PMID: 21536107 DOI: 10.1016/j.neuroscience.2011.04.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2010] [Revised: 04/07/2011] [Accepted: 04/08/2011] [Indexed: 12/26/2022]
Abstract
Peroxisome proliferator-activated receptor (PPAR) γ coactivator 1-α (PGC-1α) is a transcriptional coactivator identified as an upstream regulator of lipid catabolism, mitochondrial number and function. PGC-1α protects neurons against oxidative damage by inducing several members of the mitochondrial antioxidant system such as superoxide dismutase 2 (SOD2) and uncoupling protein 2 (UCP2). Its role in seizure-induced oxidative stress has not been studied. Here we showed that pilocarpine-induced status epilepticus (SE) stimulates the PGC-1α/mitochondrial antioxidant system signaling pathway in the rat hippocampus. Because nitric oxide (NO) is the key factor of mitochondrial biogenesis through the transcriptional induction of PGC-1α, we investigated whether NO is involved in activation of the PGC-1α/mitochondrial antioxidant system after SE. Treatment with the NO synthase (NOS) inhibitor N(G)-nitro-l-argininemethyl ester (l-NAME) attenuated the increased expression of the PGC-1α/mitochondrial antioxidant system after SE and enhanced oxidative stress. These results suggest that SE can induce the PGC-1α/mitochondrial antioxidant system signaling pathway, which may represent a protective mechanism against SE-induced oxidative stress. Furthermore, NO may positively regulate the mitochondrial antioxidant system by inducing PGC-1α in pilocarpine-induced SE.
Collapse
Affiliation(s)
- Y X Han
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | | | | | | | | | | | | |
Collapse
|
47
|
Lin YT, Liang C, Chen JH. Feasibility study of ultraviolet activated persulfate oxidation of phenol. Chemosphere 2011; 82:1168-72. [PMID: 21220146 DOI: 10.1016/j.chemosphere.2010.12.027] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2010] [Revised: 12/04/2010] [Accepted: 12/06/2010] [Indexed: 05/22/2023]
Abstract
Using ultraviolet photolytic persulfate activation to produce two sulfate radicals (SO(4)(-)) exhibits a potential for destroying organic contaminants in wastewater treatment applications. This study investigated both the feasibility of using a UV/SPS (sodium persulfate) process to treat phenol in aqueous phase and the effect of pH on degradation efficiency and TOC removal. The results revealed that a high initial persulfate concentration (i.e., 84 mM) and a lower initial phenol concentration (i.e., 0.5mM) resulted in rapid and complete phenol degradation within 20 min. For all three pHs evaluated (i.e., 3, 7 and 11), complete phenol degradation was also achieved after 30 min of treatment by UV/SPS oxidation processes (i.e., under an SPS/phenol molar ratio of 84/0.5) with pseudo-first-order rate constants (k(obs, phenol)) of 0.14-0.16 min(-1) (average half-life (t(1/2)) = 4.5 min). UV-Vis spectrum scanning of the aqueous solution during treatment identified the development of brown color in the wavelength range of 400-460 nm. The colored intermediate compounds that formed were suspiciously similar to those observed during Fenton treatment. However, a more aggressive oxidation at pH 11 showed a rapid and more complete removal of TOC in aqueous phase. Therefore, it is recommended that UV photolytic persulfate activation under basic pH be a preferred condition for treatment of phenol.
Collapse
Affiliation(s)
- Ya-Ting Lin
- Department of Environmental Engineering, National Chung Hsing University 250 Kuo-kuang Road, Taichung 402, Taiwan
| | | | | |
Collapse
|
48
|
Uman MA, Beasley WH, Tiller JA, Lin YT, Krider EP, Weidmann CD, Krehbiel PR, Brook M, Few AA, Bohannon JL, Lennon CL, Poehler HA, Jafferis W, Gulick JR, Nicholson JR. An unusual lightning flash at kennedy space center. Science 2010; 201:9-16. [PMID: 17777737 DOI: 10.1126/science.201.4350.9] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
A lightning flash that struck the 150-meter weather tower at Kennedy Space Center was studied by several research groups using varioul techniques. The flash had unusually large peak currents and a stepped leader of relatively short duration. The charged regions neutralized by the three return strokes were located within a horizontal layer between heights of about 6 and 8 kilometers, where environmental temperatures were about -10 degrees to -20 degrees C. The charge source for the first return stroke coincided with a vertical shaft of precipitation inferred to have been graupel or hail. Charge sources for subsequent strokes were near the edge of the detectable precipitation echo. The overall channel length was about 10 kilometers. A Vertically oriented intracloud discharge occurred after the three return strokes.
Collapse
|
49
|
Wang CH, Lin YT, Shiao JC, You CF, Tzeng WN. Spatio-temporal variation in the elemental compositions of otoliths of southern bluefin tuna Thunnus maccoyii in the Indian Ocean and its ecological implication. J Fish Biol 2009; 75:1173-1193. [PMID: 20738607 DOI: 10.1111/j.1095-8649.2009.02336.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The elements Na, Mg, Mn, Ca, Sr and Ba in otoliths of southern bluefin tuna Thunnus maccoyii, collected from their feeding ground in the central Indian Ocean and spawning ground between southern Java and north-western Australia were measured by laser-ablation inductively coupled plasma mass spectrometry (LA-ICPMS) and compared among sampling locations and developmental stages. The Na, Mg and Mn to Ca concentration ratios were significantly higher at the larval stage than at the adult stage, and the ratio reached a peak at the first inflection point of the otolith, mean +/-s.d. 43.3 +/- 4.9 days after hatching and decreased sharply to a low level thereafter. The temporal change of the elements:Ca ratios in the first inflection point corresponded to the life stage transition from larva to juvenile, indicating that the uptake rate of elements from ambient waters was significantly influenced by the ontogenetic change in the fish. The elemental composition at the otolith edge differed significantly in sub-adults on the feeding grounds and adults on the spawning grounds. Thus, the otolith elemental composition can be used as a biological tracer to study the time of the ontogenetic shift and to reconstruct the past migratory environmental history of T. maccoyii. In addition, the elemental composition of the otolith core of the adult was similar between feeding and spawning grounds, indicating that the fish in the Indian Ocean had the same larval origin, which is consistent with the single spawning population hypothesis.
Collapse
Affiliation(s)
- C H Wang
- Earth Dynamic System Research Center, National Cheng Kung University, Tainan, Taiwan, ROC.
| | | | | | | | | |
Collapse
|
50
|
Liang C, Lin YT, Shin WH. Persulfate regeneration of trichloroethylene spent activated carbon. J Hazard Mater 2009; 168:187-192. [PMID: 19264399 DOI: 10.1016/j.jhazmat.2009.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2008] [Revised: 12/27/2008] [Accepted: 02/02/2009] [Indexed: 05/27/2023]
Abstract
The objective of this study was to demonstrate the regeneration of trichloroethylene (TCE) spent activated carbon using persulfate oxidation and iron activated persulfate (IAP) oxidation. Both processes resulted in decreases in the adsorbability of regenerated activated carbons. IAP was shown to rapidly degrade the aqueous TCE and causes a significant mineralization of the TCE. The release of chloride ions provided evidence of this. Persulfate oxidation mainly resulted in desorption of TCE from the activated carbon and only partial mineralization of the TCE through a carbon activated persulfate reaction mechanism. Concerning destruction of the TCE, in the regeneration test using persulfate, 30% of the original TCE was present in the solution and 9% remained on the activated carbon after the first regeneration cycle. In contrast, in the test that used IAP, it was observed that no TCE was present in the solution and only approximately 5% of the original TCE remained on the activated carbon after the first regeneration. Following the regeneration cycles, elemental analysis was carried out on the samples. BET surface area and EDS analysis showed some effects on the physico-chemical properties of the activated carbon such as a slight decrease in the surface area and the presence of iron precipitates on the carbon.
Collapse
Affiliation(s)
- Chenju Liang
- Department of Environmental Engineering, National Chung Hsing University, Taichung 402, Taiwan.
| | | | | |
Collapse
|