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Fan Z, Xia W, Zhang H, Peng D, Han S, Wu X, Sun F. Evaluating the mechanism of soybean meal protein for boosting the laccase-catalyzed of thymol onto lignosulfonate via restraining non-specific adsorption. Int J Biol Macromol 2024; 263:130367. [PMID: 38401588 DOI: 10.1016/j.ijbiomac.2024.130367] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 02/18/2024] [Accepted: 02/20/2024] [Indexed: 02/26/2024]
Abstract
The control of laccase-catalyzed efficiency often relies on the utilization of modifying enzyme molecules and shielding agents. However, their elevated costs or carcinogenicity led to the inability for large-scale application. To address this concern, we found that a low-cost protein from soybean meal can reduce lignin's ineffective adsorption onto enzymes for improving the efficiency of thymol grafting to lignosulfonate. The results demonstrated that by adding 0.5 mg/mL of additional soybean meal protein, the thymol reaction ratio of the modified lignosulfonate (L-0.5 S) significantly boosted from 18.1 % to 35.0 %, with the minimal inhibitory concentrations of the L-0.5 S against Aspergillus niger dramatically improved from 12.5 mg/mL to 3.1 mg/mL. Multiple characterization methods were employed to better understand the benefit of the modification under the addition of the soybean meal protein. The CO and R1-O group content increased from 20.5 % to 37.8 % and from 65.1 % to 75.5 %, respectively. The proposed potential reaction mechanism was further substantiated by the physicochemical properties. The incorporation of soybean meal effectively mitigated the non-specific adsorption of lignosulfonate, resulting in a reduction of the surface area of lignin from 235.0 to 139.2 m2/g. The utilization of soybean meal as a cost-effective and efficient shielding agent significantly enhanced the efficiency of subsequent enzyme catalysis. Consequently, the application of soybean meal in commercial enzyme catalysis holds considerable appeal and amplifies the relevance of this study in preservative industries.
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Affiliation(s)
- Zhiwei Fan
- School of Chemical and Materials Engineering, National Engineering & Technology Research Center of Wood-Based Resources Comprehensive Utilization, Zhejiang A & F University, Hangzhou 311300, People's Republic of China
| | - Weichao Xia
- School of Chemical and Materials Engineering, National Engineering & Technology Research Center of Wood-Based Resources Comprehensive Utilization, Zhejiang A & F University, Hangzhou 311300, People's Republic of China
| | - Huili Zhang
- School of Chemical and Materials Engineering, National Engineering & Technology Research Center of Wood-Based Resources Comprehensive Utilization, Zhejiang A & F University, Hangzhou 311300, People's Republic of China
| | - Dandan Peng
- School of Chemical and Materials Engineering, National Engineering & Technology Research Center of Wood-Based Resources Comprehensive Utilization, Zhejiang A & F University, Hangzhou 311300, People's Republic of China
| | - Shuaibo Han
- School of Chemical and Materials Engineering, National Engineering & Technology Research Center of Wood-Based Resources Comprehensive Utilization, Zhejiang A & F University, Hangzhou 311300, People's Republic of China; Microbes and Insects Control Institute of Bio-based Materials, Zhejiang A&F University, Hangzhou 311300, People's Republic of China.
| | - Xinxing Wu
- School of Chemical and Materials Engineering, National Engineering & Technology Research Center of Wood-Based Resources Comprehensive Utilization, Zhejiang A & F University, Hangzhou 311300, People's Republic of China; Microbes and Insects Control Institute of Bio-based Materials, Zhejiang A&F University, Hangzhou 311300, People's Republic of China.
| | - Fangli Sun
- School of Chemical and Materials Engineering, National Engineering & Technology Research Center of Wood-Based Resources Comprehensive Utilization, Zhejiang A & F University, Hangzhou 311300, People's Republic of China; Microbes and Insects Control Institute of Bio-based Materials, Zhejiang A&F University, Hangzhou 311300, People's Republic of China
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25552
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Pusara S, Wenzel W, Kozlowska M. Impact of DNA on interactions between core proteins of Hepatitis B virus-like particles comprising different C-terminals. Int J Biol Macromol 2024; 263:130365. [PMID: 38401590 DOI: 10.1016/j.ijbiomac.2024.130365] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/14/2024] [Accepted: 02/20/2024] [Indexed: 02/26/2024]
Abstract
Hepatitis B virus (HBV) virus-like particles (VLPs) are promising therapeutic agents derived from HBV core proteins (Cp). This study investigates the assembly dynamics of HBV VLPs, which is crucial for their potential as drug carriers or gene delivery systems. Coarse-grained molecular dynamics simulations explore the impact of C-terminal domain length (in the Cp ranging from Cp149 to wild-type Cp183) on Cp assembly and stability, particularly in the presence of DNA. Our findings reveal that the C-terminal nucleic acid binding region significantly influences Cp assembly and stability of trimers comprising Cp dimers. Shorter C-terminal domains (Cp164, Cp167) enhance stability and protein-protein interactions, while interactions between naturally occurring Cp183 are destabilized in the absence of DNA. Interestingly, DNA addition further stabilizes Cp assemblies, and this effect is influenced by the length of the nucleic acid binding region. Shorter C-terminal domains show less dependency on DNA content. This stabilization is attributed to electrostatic forces between positively charged C-terminal chains and negatively charged nucleic acids. Our study sheds light on the molecular mechanisms governing protein-protein and protein-DNA interactions in HBV VLP assembly, providing insights into Cp processability and informing the development of efficient gene therapy carriers using VLP technology.
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Affiliation(s)
- Srdjan Pusara
- Institute of Nanotechnology, Karlsruhe Institute of Technology KIT, Kaiserstraße 12, 76131 Karlsruhe, Germany
| | - Wolfgang Wenzel
- Institute of Nanotechnology, Karlsruhe Institute of Technology KIT, Kaiserstraße 12, 76131 Karlsruhe, Germany
| | - Mariana Kozlowska
- Institute of Nanotechnology, Karlsruhe Institute of Technology KIT, Kaiserstraße 12, 76131 Karlsruhe, Germany.
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25553
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Wang X, Luo L, Yang C, Wang Q, Wang P, Xu B, Yu Y. Disulfide bond network crosslinked flexible multifunctional chitosan coating on fabric surface prepared by the chitosan grafted with thioctic acid. Int J Biol Macromol 2024; 263:130431. [PMID: 38403212 DOI: 10.1016/j.ijbiomac.2024.130431] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/14/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
In this study, we propose a novel approach to improve the performance of chitosan coating, and thioctic acid with disulfide bonds in its molecular structure was grafted onto the side groups of chitosan macromolecules. The introduction of disulfide bond network cross-linking structure in chitosan coating weakens hydrogen bonds between chitosan macromolecules, causing the macromolecular chains to be more prone to relative motion when subjected to external forces, ultimately improving flexibility of the coating. The modified chitosan becomes more suitable for antibacterial modification in smart wearable fabrics. Subsequently, we fabricated a smart wearable fabric with excellent antibacterial properties and strong electromagnetic shielding by employing the layer-by-layer spraying technique. This involved incorporating chitosan with disulfide bonds and MXene nanoparticles. The fabric surfaces containing chitosan with disulfide bonds exhibited enhanced flexibility compared to unmodified chitosan fabric, resulting in an 8-point improvement in tactile sensation ratings. This research presents a novel approach that simultaneously enhances the electromagnetic shielding effectiveness and efficient antibacterial properties of smart wearable textiles. Consequently, it advances the application of chitosan in the field of antibacterial finishing for functional textiles.
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Affiliation(s)
- Xinyue Wang
- College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Laipeng Luo
- College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chunying Yang
- College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Qiang Wang
- College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Ping Wang
- College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Bo Xu
- College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yuanyuan Yu
- College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China.
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25554
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Park J, Park SA, Kim YS, Kim D, Shin S, Lee SH, Jeun SS, Chung YJ, Ahn S. Intratumoral IL-12 delivery via mesenchymal stem cells combined with PD-1 blockade leads to long-term antitumor immunity in a mouse glioblastoma model. Biomed Pharmacother 2024; 173:115790. [PMID: 38431436 DOI: 10.1016/j.biopha.2023.115790] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/18/2023] [Accepted: 10/26/2023] [Indexed: 03/05/2024] Open
Abstract
BACKGROUND Although PD-1 blockade is effective for treating several types of cancer, the efficacy of this agent in glioblastoma is largely limited. To overcome non-responders and the immunosuppressive tumor microenvironment, combinational immunotherapeutic strategies with anti-PD-1 need to be considered. Here, we developed IL-12-secreting mesenchymal stem cells (MSC_IL-12) with glioblastoma tropism and evaluated the therapeutic effects of anti-PD-1, MSC_IL-12, and their combination against glioblastoma. METHODS Therapeutic responses were evaluated using an immunocompetent mouse orthotopic model. Tumor-infiltrating lymphocytes (TILs) were analyzed using immunofluorescent imaging. Single-cell transcriptome was obtained from mouse brains after treatments. RESULTS Anti-PD-1 and MSC_IL-12 showed complete tumor remission in 25.0% (4/16) and 23.1% (3/13) of glioblastoma-implanted mice, respectively, and their combination yielded synergistic antitumor efficacy indicated by 50.0% (6/12) of complete tumor remission. Analyses of TILs revealed that anti-PD-1 increased CD8+ T cells, while MSC_IL-12 led to infiltration of CD4+ T cells and NK cells. Both therapies reduced frequencies of Tregs. All these aspects observed in each monotherapy group were superimposed in the combination group. Notably, no tumor growth was observed upon rechallenge in cured mice, indicating long-term immunity against glioblastoma provoked by the therapies. Single-cell RNA-seq data confirmed these results and revealed that the combined treatment led to immune-favorable tumor microenvironment-CD4+, CD8+ T cells, effector memory T cells, and activated microglia were increased, whereas exhausted T cells, Tregs, and M2 polarized microglia were reduced. CONCLUSION Anti-PD-1 and MSC_IL-12 monotherapies show long-term therapeutic responses, and their combination further enhances antitumor efficacy against glioblastoma via inducing immune-favorable tumor microenvironment.
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Affiliation(s)
- Junseong Park
- Precision Medicine Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Cancer Evolution Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Soon A Park
- Department of Bio medicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Neurosurgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yoon-Seob Kim
- Precision Medicine Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Dokyeong Kim
- Precision Medicine Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Bio medicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sun Shin
- Precision Medicine Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sug Hyung Lee
- Cancer Evolution Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Pathology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sin-Soo Jeun
- Department of Neurosurgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yeun-Jun Chung
- Precision Medicine Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Bio medicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
| | - Stephen Ahn
- Department of Neurosurgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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25555
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Vasconcelos APSL, Lucchetti ALG, Cavalcanti APR, da Silva Conde SRS, Gonçalves LM, Moriguchi EH, Chazan ACS, Tavares RLC, da Silva Ezequiel O, Lucchetti G. Comparison of the Role of Different Levels of Religiousness and Spirituality in Controversial Ethical Issues and Clinical Practice among Brazilian Resident Physicians: Results from the Multicenter SBRAMER Study. J Relig Health 2024; 63:1268-1284. [PMID: 36449250 DOI: 10.1007/s10943-022-01702-6] [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] [Subscribe] [Scholar Register] [Accepted: 11/17/2022] [Indexed: 06/17/2023]
Abstract
This study compares clinical practice and objections to controversial ethical issues among 836 Brazilian resident physicians according to levels of religiousness/spirituality. Residents with low religiousness/spirituality (s/r) believed less in the influence of spirituality on clinical practice, were less comfortable addressing this issue, tended to listen less carefully and try to change the subject more than other groups. Residents with high spirituality and low religiousness (S/r) inquired more about religious/spiritual issues, while those with high religiousness/spirituality (S/R) were more supportive and reported fewer barriers to addressing these issues. Concerning ethical issues (e.g., physician-assisted suicide, withdrawal of life support, abortion), S/R had more objections than others.
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Affiliation(s)
| | | | | | | | - Lidia Maria Gonçalves
- School of Medicine, Universidade de São Paulo, Av. Dr. Enéas Carvalho de Aguiar, 155 - Setor Azul, São Paulo, Brazil
| | - Emilio Hideyuki Moriguchi
- School of Medicine, Universidade Federal Do Rio Grande Do Sul, R. Ramiro Barcelos, 2400 - Santa Cecilia, Porto Alegre, Brazil
| | - Ana Cláudia Santos Chazan
- School of Medicine, Universidade Do Estado Do Rio de Janeiro, Avenida Professor Manoel de Abreu 444 - 2Nd Floor - Vila Isabel, Rio de Janeiro, Brazil
| | - Rubens Lene Carvalho Tavares
- School of Medicine, Universidade Federal de Minas Gerais, Av. Prof. Alfredo Balena, 190 - Santa Efigênia, Belo Horizonte, Brazil
| | - Oscarina da Silva Ezequiel
- School of Medicine, Universidade Federal de Juiz de Fora, Av. Eugênio Do Nascimento, S/N° - Dom Bosco, Juiz de Fora, Brazil
| | - Giancarlo Lucchetti
- School of Medicine, Universidade Federal de Juiz de Fora, Av. Eugênio Do Nascimento, S/N° - Dom Bosco, Juiz de Fora, Brazil.
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25556
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Li H, Wang X, Qin N, Hu D, Jia Y, Sun G, He L, Zhang H, Dai P, Peng Z, Pang N, Pan Z, Zhang X, Dong Q, Chen B, Gui H, Pang B, Zhang X, He S, Song M, Du X. Genomic loci associated with leaf abscission contribute to machine picking and environmental adaptability in upland cotton (Gossypium hirsutum L.). J Adv Res 2024; 58:31-43. [PMID: 37236544 DOI: 10.1016/j.jare.2023.05.007] [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: 02/12/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 05/28/2023] Open
Abstract
INTRODUCTION Defoliation by applying defoliants before machine picking is an important agricultural practice that enhances harvesting efficiency and leads to increased raw cotton purity. However, the fundamental characteristics of leaf abscission and the underlying genetic basis in cotton are not clearly understood. OBJECTIVES In this study, we aimed to (1) reveal the phenotypic variations in cotton leaf abscission, (2) discover the whole-genome differentiation sweeps and genetic loci related to defoliation, (3) identify and verify the functions of key candidate genes associated with defoliation, and (4) explore the relationship between haplotype frequency of loci and environmental adaptability. METHODS Four defoliation-related traits of 383 re-sequenced Gossypium hirsutum accessions were investigated in four environments. The genome-wide association study (GWAS), linkage disequilibrium (LD) interval genotyping and functional identification were conducted. Finally, the haplotype variation related to environmental adaptability and defoliation traits was revealed. RESULTS Our findings revealed the fundamental phenotypic variations of defoliation traits in cotton. We showed that defoliant significantly increased the defoliation rate without incurring yield and fiber quality penalties. The strong correlations between defoliation traits and growth period traits were observed. A genome-wide association study of defoliation traits identified 174 significant SNPs. Two loci (RDR7 on A02 and RDR13 on A13) that significantly associated with the relative defoliation rate were described, and key candidate genes GhLRR and GhCYCD3;1, encoding a leucine-rich repeat (LRR) family protein and D3-type cell cyclin 1 protein respectively, were functional verified by expression pattern analysis and gene silencing. We found that combining of two favorable haplotypes (HapRDR7 and HapRDR13) improved sensitivity to defoliant. The favorable haplotype frequency generally increased in high latitudes in China, enabling adaptation to the local environment. CONCLUSION Our findings lay an important foundation for the potentially broad application of leveraging key genetic loci in breeding machine-pickable cotton.
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Affiliation(s)
- Hongge Li
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xiangru Wang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Ning Qin
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; College of Agriculture, Tarim University, Alar 843300, China
| | - Daowu Hu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
| | - Yinhua Jia
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Gaofei Sun
- Anyang Institute of Technology, Anyang 455000, China
| | - Liangrong He
- College of Agriculture, Tarim University, Alar 843300, China
| | - Hengheng Zhang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Panhong Dai
- Anyang Institute of Technology, Anyang 455000, China
| | - Zhen Peng
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Nianchang Pang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Zhaoe Pan
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xiaomeng Zhang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Qiang Dong
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Baojun Chen
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Huiping Gui
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Baoyin Pang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xiling Zhang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China.
| | - Shoupu He
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Meizhen Song
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Xiongming Du
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China.
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25557
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Park CS, Yang HM, Han K, Lee HS, Kang J, Han JK, Park KW, Kang HJ, Koo BK, Kim HS. J-shaped association between LDL cholesterol and cardiovascular events: A longitudinal primary prevention cohort of over 2.4 million people nationwide. J Adv Res 2024; 58:139-147. [PMID: 37225014 DOI: 10.1016/j.jare.2023.05.003] [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: 01/25/2023] [Revised: 04/26/2023] [Accepted: 05/09/2023] [Indexed: 05/26/2023] Open
Abstract
INTRODUCTION Low-density lipoprotein (LDL) cholesterol-lowering treatment is beneficial for the secondary or primary prevention of high-risk atherosclerotic cardiovascular disease (ASCVD). However, the prognostic implications of low LDL cholesterol levels in patients without previous ASCVD and without statin use remain elusive. METHODS From a nationwide cohort, 2,432,471 participants without previous ASCVD or statin use were included. For myocardial infarction (MI) and ischemic stroke (IS), participants were followed-up from 2009 to 2018. They were stratified according to 10-year ASCVD risk (<5 %, 5 %-<7.5 %, 7.5 %-<20 %, and ≥20 %) and LDL cholesterol level (<70, 70-99, 100-129, 130-159, 160-189, and ≥190 mg/dL). RESULTS The relationship between LDL cholesterol levels and ASCVD events exhibited a J-shaped curve for both MI and IS. After classification according to the ASCVD risk, this J-shaped relationship was consistently observed for the composite of MI and IS. Participants with an LDL cholesterol level <70 mg/dL showed a higher MI risk than those with a level of 70-99 mg/dL or 100-129 mg/dL in the low-ASCVD risk group. The J-shaped curve between LDL cholesterol levels and MI risk was attenuated across ASCVD risk groups. For IS, participants with an LDL cholesterol level <70 mg/dL demonstrated increased risks compared with those with a level of 70-99 mg/dL, 100-129 mg/dL, or 130-159 mg/dL in the borderline, intermediate, and high ASCVD risk groups, respectively. In contrast, a linear association was observed in participants taking statins. Interestingly, a J-shaped association was observed between LDL cholesterol and high-sensitivity C-reactive protein (hs-CRP) levels; the mean hs-CRP level and the proportion of individuals with increased hs-CRP levels were relatively high among individuals with an LDL cholesterol level <70 mg/dL. CONCLUSIONS Although high LDL cholesterol levels increase the risk of ASCVD, low LDL cholesterol levels do not warrant safety from ASCVD. Therefore, individuals with low LDL cholesterol levels should be carefully monitored.
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Affiliation(s)
- Chan Soon Park
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Han-Mo Yang
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea.
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea.
| | - Hee-Sun Lee
- Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Republic of Korea
| | - Jeehoon Kang
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jung-Kyu Han
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Kyung Woo Park
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hyun-Jae Kang
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Bon-Kwon Koo
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hyo-Soo Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
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25558
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Alfaro AJ, Greene L, Van Campen J, Zulman DM, Gould CE, Blonigen DM. Patterns and predictors of mental health service use among older veterans with alcohol use disorder who received a video-enabled tablet. Aging Ment Health 2024; 28:604-610. [PMID: 37723897 DOI: 10.1080/13607863.2023.2253448] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/25/2023] [Indexed: 09/20/2023]
Abstract
Objectives: Video-based telehealth may expand access to mental health services among older veterans with alcohol use disorder (AUD). We examined the modalities through which mental health services were rendered, and predictors of video visits before and after video-enabled tablet receipt from the Veterans Health Administration. Method: 11,210 veterans aged 60 or older with a diagnosis of AUD who received a tablet between 1 April 2020 and 25 October 2021 were identified. The electronic health record was used to characterized encounters by modality of mental health care delivery in the six months pre/post tablet receipt. Logistic regression examined predictors of a video visit for mental health. Results: Phone was the most common modality; however, the proportion of video encounters increased from 8.7% to 26.2% after tablet receipt. Individuals who were older, male, and had more physical health conditions, were less likely to have a video visit. Individuals who were married, resided in urban areas, had a history of housing instability, and had more mental health conditions, were more likely to have a video visit. Conclusion: Video-enabled tablets may help older adults with AUD overcome access barriers to mental health services, although targeted support for certain groups may be necessary.
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Affiliation(s)
- Ana J Alfaro
- VA Palo Alto Health Care System, Geriatric Research, Education and Clinical Center (GRECC), Palo Alto, CA, USA
- Department of Psychiatry and Behavioral Services, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Liberty Greene
- Center for Innovation to Implementation (Ci2i), VA Palo Alto Health Care System, Palo Alto, CA, USA
- Division of Primary Care and Population Health, Department of Medicine, Stanford University, Palo Alto, CA, USA
| | - James Van Campen
- Center for Innovation to Implementation (Ci2i), VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Donna M Zulman
- Center for Innovation to Implementation (Ci2i), VA Palo Alto Health Care System, Palo Alto, CA, USA
- Division of Primary Care and Population Health, Department of Medicine, Stanford University, Palo Alto, CA, USA
| | - Christine E Gould
- VA Palo Alto Health Care System, Geriatric Research, Education and Clinical Center (GRECC), Palo Alto, CA, USA
- Department of Psychiatry and Behavioral Services, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Daniel M Blonigen
- Department of Psychiatry and Behavioral Services, Stanford University School of Medicine, Palo Alto, CA, USA
- Center for Innovation to Implementation (Ci2i), VA Palo Alto Health Care System, Palo Alto, CA, USA
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25559
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Fowler WC, Koenig HG. Should Physician-Assisted Suicide or Euthanasia be Legalized in the United States? A Medically Informed Perspective. J Relig Health 2024; 63:1058-1074. [PMID: 37938413 DOI: 10.1007/s10943-023-01939-9] [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] [Subscribe] [Scholar Register] [Accepted: 10/16/2023] [Indexed: 11/09/2023]
Abstract
There is a pressing debate in the United States concerning the implied physicians' obligation to do no harm and the status of legalizing physician-assisted suicide (PAS). Key issues that underpin the debate are important to consider. These include: (1) foundational medical beginnings; (2) euthanasia's historical and legal background context; and (3) the key arguments held by those for and against legalization of PAS. This paper reviews the major claims made by proponents for the legalization of PAS and the associated complexities and concerns that help underscore the importance of conscience freedoms. Relief of suffering, respect for patient autonomy, and public policy arguments are discussed in these contexts. We argue here that the emphasis by healthcare providers should be on high quality and compassionate care for those at the end of life's journey who are questioning whether to prematurely end their lives. If medicine loses its chief focus on the quality of caring-even when a cure is not possible-it betrays its objective and purpose. In this backdrop, legalization of PAS harms not only healthcare professionals, but also the medical profession's mission itself. Medicine's foundation is grounded in the concept of never intentionally to inflict harm. Inflicting death by any means is not professional or proper, and is not trustworthy medicine.
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Affiliation(s)
- W Craig Fowler
- Campbell University School of Osteopathic Medicine, Lillington, NC, USA
- University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - Harold G Koenig
- Department of Psychiatry, Duke University Medical Center, Box 3400, Durham, NC, 27710, USA.
- Department of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.
- Ningxia Medical University, Yinchuan, People's Republic of China.
- Shiraz University of Medical Sciences, Shiraz, Iran.
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25560
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Rabiner EA, Gunn RN. Estimation of target occupancy in repeated dosing design studies using positron emission tomography: Biases due to target upregulation. J Cereb Blood Flow Metab 2024; 44:573-579. [PMID: 37944261 DOI: 10.1177/0271678x231214443] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Positron emission tomography (PET) has become indispensable in the quantification of target engagement by brain targeting medications. The relationship between the drug plasma concentration (or drug dose administered) and target occupancy determined during a PET occupancy study has provided valuable information for the assessment of novel pharmaceuticals in the early phases of drug development. Such information is also critical for the understanding of the mechanisms of action and side-effect profile of approved medication commonly used in the clinic. Occupancy studies conducted following repeated drug dosing (RD) can produce systematic differences from those conducted following single drug dose (SD), differences that have not been adequately explored. We have hypothesised that when differences are observed between RD and SD studies, they are related to changes in target density induced by repeated drug accumulation. We have developed a modified occupancy model to account for potential changes in target density and tested it on a sample dataset. We found that target upregulation can parsimoniously explain the differences in drug affinity estimated in SD and RD studies. Our findings have implications for the interpretation of RD occupancy data in the literature and the relationship between specific target occupancy levels and drug efficacy and tolerability.
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Affiliation(s)
| | - Roger N Gunn
- Invicro, London, UK
- Department of Brain Sciences, Imperial College London, London, UK
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25561
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Wei J, Hunter D, Lane NE, Wu J, Zeng C, Lei G, Zhang Y. Weight Loss Induced by Antiobesity Medications and All-Cause Mortality Among Patients With Knee or Hip Osteoarthritis. Arthritis Rheumatol 2024; 76:577-586. [PMID: 38053480 DOI: 10.1002/art.42754] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 09/21/2023] [Accepted: 11/08/2023] [Indexed: 12/07/2023]
Abstract
OBJECTIVE The current guidelines recommend weight loss for patients with overweight or obesity and knee or hip osteoarthritis (OA); however, there is a paucity of data on the relation of weight loss to death among patients with OA. We aimed to examine the relation of the rate of weight loss induced by antiobesity medications over one year to all-cause mortality among patients with overweight or obesity and knee or hip OA. METHODS Using the IQVIA Medical Research Database, we identified people with overweight or obesity and knee or hip OA. We emulated analyses of a hypothetical target trial to assess the effect of slow-to-moderate (2%-10%) or fast (≥10%) weight loss induced by the initiation of antiobesity medications within one year on all-cause mortality and secondary outcomes over five years' follow-up. RESULTS Among 6,524 participants, the five-year all-cause mortality rates were 5.3%, 4.0%, and 5.4% for weight gain or stable, slow-to-moderate weight loss, and fast weight loss arms, respectively. Compared with the weight gain or stable arm, hazard ratios of all-cause mortality were 0.72 (95% confidence interval [CI] 0.56-0.92) for the slow-to-moderate weight loss arm and 0.99 (95% CI 0.67-1.44) for the fast weight loss arm. We found dose-response protective effects of weight loss on incident hypertension, type 2 diabetes, and venous thromboembolism but a slightly higher risk of cardiovascular disease, albeit not statistically significant, in the fast rate of weight loss arm than in the weight gain or stable arm and no significant relations of weight loss to the risk of cancer. CONCLUSION In this population-based study, a slow-to-moderate, but not fast, rate of weight loss induced by antiobesity medications is associated with a lower risk of all-cause mortality in people with overweight or obesity and knee or hip OA.
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Affiliation(s)
- Jie Wei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Hunan Key Laboratory of Joint Degeneration and Injury, and Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - David Hunter
- Sydney Musculoskeletal Health, Kolling Institute, University of Sydney and Rheumatology Department, Royal North Shore Hospital, Sydney, Australia
| | - Nancy E Lane
- Center for Musculoskeletal Health and Department of Medicine, University of California School of Medicine, Sacramento, California
| | - Jing Wu
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University and Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China
| | - Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Hunan Key Laboratory of Joint Degeneration and Injury, and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Hunan Key Laboratory of Joint Degeneration and Injury, and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yuqing Zhang
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School and The Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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25562
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Liu X, Shen Q, Wen Y, Jiang Z, Ma Z, Zeng P, He J, Liao Y, Huang Y, Huang J. Diagnosis of Malignant Pulmonary Nodules Using a Combination of Tumor-associated Autoantibodies and Computed Tomography. Am J Clin Oncol 2024; 47:149-154. [PMID: 38054473 DOI: 10.1097/coc.0000000000001069] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
BACKGROUND Diagnosis of malignant pulmonary nodules can greatly reduce the occurrence of lung cancer death, and computed tomography (CT) is commonly used in diagnosis. In addition, tumor-associated autoantibodies (TAAbs) show high specificity and stability. We aim to establish a computable risk model of pulmonary nodules by combining CT with TAAb detection. METHODS The concentrations of 7 TAAbs (p53, PGP9.5, SOX2, GAGE7, GBU4-5, CAGE, MAGEA1, and CAGE) were assayed using the enzyme-linked immunosorbent assay in 136 patients with pulmonary nodules (84 with newly diagnosed lung adenocarcinoma, 21 with squamous cell carcinoma, and 31 with benign nodules) and 42 control subjects without pulmonary nodules. We then drew receiver operating characteristic curves and conducted logistic regression to analyze the diagnostic efficiency of our method in the detection of lung cancer. RESULTS The positivity rate of the 7 TAAbs was 49.5%, and the specificity was 83.6%. Our regression results indicated 65% overall accuracy, 44.76% sensitivity, and 76.71% specificity. Notably, when combined with CT imaging and the demographic characteristics, diagnostic accuracy increased to 73.4%, sensitivity to 61.5%, and specificity to 87.1%. The positive predictive value and negative predictive value were 93% and 41%, respectively. CONCLUSION Our study provides a method that combines 7 serum TAAbs with imaging and demographic characteristics to diagnose malignant pulmonary nodules more accurately than existing methods.
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Affiliation(s)
- Xiao Liu
- Departments of Pulmonary and Critical Care Medicine
| | - Qing Shen
- Departments of Pulmonary and Critical Care Medicine
| | - Yuchan Wen
- Departments of Pulmonary and Critical Care Medicine
| | | | - Zheng Ma
- Thoracic Surgery, Chongqing General Hospital
| | | | - Jian He
- Departments of Pulmonary and Critical Care Medicine
| | - Yu Liao
- College of Computer Science and Engineering, Chongqing University of Technology, Chongqing, China
| | - Yong Huang
- Departments of Pulmonary and Critical Care Medicine
| | - Jing Huang
- Departments of Pulmonary and Critical Care Medicine
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25563
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Daungsupawong H, Wiwanitkit V. Physician and Patient Assessment of Extended Language Model Answers to Rheumatology Patient Inquiries: Doctor versus AI. Comment on the article by Ye et al. Arthritis Rheumatol 2024; 76:661. [PMID: 38057132 DOI: 10.1002/art.42773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 11/28/2023] [Indexed: 12/08/2023]
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25564
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Vicino A, Hottinger AF, Latifyan S, Boughdad S, Becce F, Prior JO, Kuntzer T, Brouland JP, Dunet V, Obeid M, Théaudin M. Immune checkpoint inhibitor-related myositis and myocarditis: diagnostic pitfalls and imaging contribution in a real-world, institutional case series. J Neurol 2024; 271:1947-1958. [PMID: 38141128 DOI: 10.1007/s00415-023-12134-x] [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: 10/03/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND Immune checkpoint inhibitors (ICIs) are reshaping the prognosis of many cancers, but often cause immune-related adverse events (irAEs). Among neurological irAEs, myositis is the most frequently reported. Our aim is to describe clinical and non-clinical characteristics, treatment and outcome of all irMyositis (skeletal limb-girdle and/or ocular myositis) and irMyocarditis cases in our reference center. METHODS We retrospectively enrolled all irMyositis/irMyocarditis patients seen between 2018 and 2022. We reviewed demographics, clinical characteristics, biological, neurophysiological, imaging workup, treatment and outcome. RESULTS We included 14 consecutive patients. The most frequent treatments were pembrolizumab (35%) or ipilimumab-nivolumab combination (35%). Limb-girdle, ocular (non-fluctuating palpebral ptosis and/or diplopia with or without ophthalmoparesis) and cardiac phenotypes were equally distributed, overlapping in 40% of cases. Ocular involvement was frequently misdiagnosed; review of brain MRIs disclosed initially missed signs of skeletal myositis in one patient and ocular myositis in 3. Seven patients had other co-existing irAEs. When performed, myography showed a myogenic pattern. CK was elevated in 8/15 patients, troponin-T in 12/12 and troponin-I in 7/9 tested patients. ICI were discontinued in all cases, with further immunosuppressive treatment in nine patients. In most cases, neurological and cardiological outcome was good at last follow-up. CONCLUSION Myositis is a potentially severe irAE. Despite its heterogeneous presentation, some highly suggestive clinical symptoms, such as ocular involvement, or radiological signs should raise physicians' attention to avoid misdiagnosis. We thus recommend a multidisciplinary assessment (including complete neuromuscular evaluation) even in case of isolated myocarditis. Our series underlines the importance of an early diagnosis, since suspension of ICI and adequate treatment are usually associated with good functional outcome.
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Affiliation(s)
- Alex Vicino
- Nerve-Muscle Unit, Neurology Service, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
| | - Andreas F Hottinger
- Lundin Family Brain Tumor Center, Departments of Oncology and Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Sofiya Latifyan
- Department of Oncology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Sarah Boughdad
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Fabio Becce
- Department of Diagnostic and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - John O Prior
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Thierry Kuntzer
- Nerve-Muscle Unit, Neurology Service, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Jean-Philippe Brouland
- Pathology Institute, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Vincent Dunet
- Department of Diagnostic and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Michel Obeid
- Immunology and Allergy Service, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Marie Théaudin
- Nerve-Muscle Unit, Neurology Service, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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25565
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Xinyu Z, Sheng X. Wound incidence and outcomes in atrial fibrillation: Comparing catheter ablation and anti-arrhythmic drug therapy. Int Wound J 2024; 21:e14612. [PMID: 38130027 PMCID: PMC10961873 DOI: 10.1111/iwj.14612] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023] Open
Abstract
The most prevalent form of cardiac arrhythmia is atrial fibrillation (AF), which is typically managed through catheter ablation or anti-arrhythmic drug therapy. We compared the incidence and outcomes of wound complications in patients with atrial fibrillation who were treated with catheter ablation as opposed to anti-arrhythmic drug therapy. From May to November 2023, 240 adult AF patients who were treated with catheter ablation or anti-arrhythmic medications participated in a 6-month retrospective cohort study at Sir Run Run Shaw Hospital in Hangzhou, China. An observation was made regarding 29 wound complications out of 240 patients. In comparison to drug therapy group, incidence of minor (8 vs. 11) and total complications (18 vs. 11) was greater in catheter ablation group. Significant adverse events occurred at higher rate in the catheter ablation group (6 versus 1) (p < 0.05). However, despite these patterns, there was no statistically significant difference in the rates of complications (total: p = 0.245; minor: p = 0.217; major: p = 0.128). Comparable treatment efficacy was observed across groups. In contrast to drug therapy, catheter ablation was associated with decreased probability of complications (odds ratio: 0.86), as determined by logistic regression; cardiac failure was a significant predictor of adverse outcomes. The study concluded that the risks of wound complications associated with catheter ablation and anti-arrhythmic drug therapy in patients with atrial fibrillation are comparable. Notwithstanding an elevated propensity for complications in ablation group, the statistical analysis indicated comparable safety profiles.
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Affiliation(s)
- Zhou Xinyu
- Department of CardiologySir Run Run Shaw HospitalHangzhouChina
| | - Xia Sheng
- Department of CardiologySir Run Run Shaw HospitalHangzhouChina
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25566
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Kalluri AL, Jiang K, Abu-Bonsrah N, Ammar A, Reynolds R, Alomari S, Odonkor MN, Bhimreddy M, Ram N, Robinson S, Akbari SHA, Groves ML. Socioeconomic characteristics and postoperative outcomes of patients undergoing prenatal vs. postnatal repair of myelomeningoceles. Childs Nerv Syst 2024; 40:1177-1184. [PMID: 38133684 DOI: 10.1007/s00381-023-06254-y] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
PURPOSE To investigate differences in sociodemographic characteristics and short-term outcomes between patients undergoing prenatal versus postnatal myelomeningocele repair. METHODS Patients who underwent myelomeningocele repair at our institution were stratified based on prenatal or postnatal timing of repair. Baseline characteristics and outcomes were compared. Multivariate analysis was performed to identify whether prenatal repair was a predictor of outcomes independent of socioeconomic measures. RESULTS 49 patients underwent postnatal repair, and 30 underwent prenatal repair. Patients who underwent prenatal repair were more likely to have private insurance (73.3% vs. 42.9%, p = 0.03) and live farther from the hospital where they received their repair (251.5 ± 447.4 vs. 72.5 ± 205.6 miles, p = 0.02). Patients who underwent prenatal repair had shorter hospital stays (14.3 ± 22.7 days vs. 25.3 ± 20.1 days, p = 0.03), fewer complications (13.8% vs. 42.9%, p = 0.01), fewer 30-day ED visits (0.0% vs. 34.0%, p < 0.001), lower CSF diversion rates (13.8% vs. 38.8%, p = 0.02), and better functional status at 3-months (13.3% vs. 57.1% delayed, p = 0.009), 6-months (20.0% vs. 56.7% delayed, p = 0.03), and 1-year (29.4% vs. 70.6% delayed, p = 0.007). On multivariate analysis, prenatal repair was an independent predictor of inpatient complication (OR(95%CI): 0.19(0.05-0.75), p = 0.02) and 3-month (OR(95%CI): 0.14(0.03-0.80) p = 0.03), 6-month (OR(95%CI): 0.12(0.02-0.73), p = 0.02), and 1-year (OR(95%CI): 0.19(0.05-0.80), p = 0.02) functional status. CONCLUSION Prenatal repair for myelomeningocele is associated with better outcomes and developmental functional status. However, patients receiving prenatal closure are more likely to have private health insurance and live farther from the hospital, suggesting potential barriers to care.
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Affiliation(s)
- Anita L Kalluri
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Kelly Jiang
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Nancy Abu-Bonsrah
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA.
| | - Adam Ammar
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Rebecca Reynolds
- Department of Neurosurgery, Johns Hopkins All Children's Hospital, St Petersburg, FL, USA
| | - Safwan Alomari
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Michelle N Odonkor
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Meghana Bhimreddy
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Natasha Ram
- Department of Neurosurgery, Johns Hopkins All Children's Hospital, St Petersburg, FL, USA
| | - Shenandoah Robinson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Syed Hassan A Akbari
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
| | - Mari L Groves
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe St, Baltimore, MD, 21287, USA
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25567
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Utzschneider KM, Younes N, Butera NM, Balasubramanyam A, Bergenstal RM, Barzilay J, DeSouza C, DeFronzo RA, Elasy T, Krakoff J, Kahn SE, Rasouli N, Valencia WM, Sivitz WI. Impact of Insulin Sensitivity and β-Cell Function Over Time on Glycemic Outcomes in the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE): Differential Treatment Effects of Dual Therapy. Diabetes Care 2024; 47:571-579. [PMID: 38190619 DOI: 10.2337/dc23-1059] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 10/10/2023] [Indexed: 01/10/2024]
Abstract
OBJECTIVE To compare the effects of insulin sensitivity and β-cell function over time on HbA1c and durability of glycemic control in response to dual therapy. RESEARCH DESIGN AND METHODS GRADE participants were randomized to glimepiride (n = 1,254), liraglutide (n = 1,262), or sitagliptin (n = 1,268) added to baseline metformin and followed for mean ± SD 5.0 ± 1.3 years, with HbA1c assessed quarterly and oral glucose tolerance tests at baseline, 1, 3, and 5 years. We related time-varying insulin sensitivity (HOMA 2 of insulin sensitivity [HOMA2-%S]) and early (0-30 min) and total (0-120 min) C-peptide (CP) responses to changes in HbA1c and glycemic failure (primary outcome HbA1c ≥7% [53 mmol/mol] and secondary outcome HbA1c >7.5% [58 mmol/mol]) and examined differential treatment responses. RESULTS Higher HOMA2-%S was associated with greater initial HbA1c lowering (3 months) but not subsequent HbA1c rise. Greater CP responses were associated with a greater initial treatment response and slower subsequent HbA1c rise. Higher HOMA2-%S and CP responses were each associated with lower risk of primary and secondary outcomes. These associations differed by treatment. In the sitagliptin group, HOMA2-%S and CP responses had greater impact on initial HbA1c reduction (test of heterogeneity, P = 0.009 HOMA2-%S, P = 0.018 early CP, P = 0.001 total CP) and risk of primary outcome (P = 0.005 HOMA2-%S, P = 0.11 early CP, P = 0.025 total CP) but lesser impact on HbA1c rise (P = 0.175 HOMA2-%S, P = 0.006 early CP, P < 0.001 total CP) in comparisons with the glimepiride and liraglutide groups. There were no differential treatment effects on secondary outcome. CONCLUSIONS Insulin sensitivity and β-cell function affected treatment outcomes irrespective of drug assignment, with greater impact in the sitagliptin group on initial (short-term) HbA1c response in comparison with the glimepiride and liraglutide groups.
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Affiliation(s)
- Kristina M Utzschneider
- VA Puget Sound Health Care System and Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington, Seattle, WA
| | - Naji Younes
- The Biostatistics Center, Department of Biostatistics and Bioinformatics, Milken Institute School of Public Health, The George Washington University, Rockville, MD
| | - Nicole M Butera
- The Biostatistics Center, Department of Biostatistics and Bioinformatics, Milken Institute School of Public Health, The George Washington University, Rockville, MD
| | - Ashok Balasubramanyam
- Division of Diabetes, Endocrinology and Metabolism, Baylor College of Medicine, Houston, TX
| | | | - Joshua Barzilay
- Department of Endocrinology, Kaiser Permanente of Georgia, Duluth, GA
| | - Cyrus DeSouza
- Division of Diabetes, Endocrinology and Metabolism, University of Nebraska and Omaha VA Medical Center, Omaha, NE
| | - Ralph A DeFronzo
- Diabetes Division, University of Texas Health Science Center at San Antonio, San Antonio, TX
| | - Tom Elasy
- Vanderbilt University Medical Center, Nashville, TN
| | - Jonathan Krakoff
- Division of General Internal Medicine and Public Health, Southwestern American Indian Center, Phoenix, AZ
| | - Steven E Kahn
- VA Puget Sound Health Care System and Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington, Seattle, WA
| | - Neda Rasouli
- Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado School of Medicine, and VA Eastern Colorado Health Care System, Aurora, CO
| | - Willy M Valencia
- Geriatric Research Education and Clinical Center, Bruce W. Carter Department of Veterans Affairs Medical Center, Miami, FL
- Department of Public Health Sciences, University of Miami, Miami, FL
- Robert Stempel College of Public Health & Social Work, Florida International University, Miami, FL
- Endocrinology & Metabolism Institute, Cleveland Clinic, Cleveland, OH
| | - William I Sivitz
- Department of Internal Medicine, Endocrinology and Metabolism, University of Iowa, Iowa City, IA
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25568
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Debnath S, Sarkar UK, Kumari S, Karnatak G, Puthiyottil M, Das BK, Das A, Ghosh BD, Roy A. Exploring the vulnerability of the coastal wetlands of India to the changing climate and their adaptation strategies. Int J Biometeorol 2024; 68:749-760. [PMID: 38244115 DOI: 10.1007/s00484-024-02620-w] [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] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 11/20/2023] [Accepted: 12/10/2023] [Indexed: 01/22/2024]
Abstract
Changing climate exerts significant pressure on coastal wetland fishery, ecosystems and livelihood at the eco-regional level. In the present study, an indicator and scoring-based vulnerability assessment framework was developed to assess climate change-induced potential impacts and vulnerability of the coastal wetlands through stakeholder perception and primary data collection on ecology and fisheries. The study was conducted in 12 coastal wetlands in the Gangetic estuarine regions of eastern India. Analysis of rainfall, temperature and extreme climatic events was also carried out. The climate variability in the region was analysed and discussed in the context of ecosystem health and sustainability indicators. The results indicated that anthropogenic stress has a greater influence on ecosystem services than climatic stress. However, the nature and degree of vulnerability of fishers to climate change vary with their capacity to adapt to such changes and alternate sources of livelihood. Altogether, 34 fish species were documented, belonging to 11 taxonomic orders, and categorized as per intensity of resilience using selected criteria. Perception-based climate-resilient adaptation strategies have also been discussed. Developing appropriate adaptation policies and implementing climate-resilient practices and management can minimize vulnerability and increase the adaptive capacity of fishers ensuring sustainable livelihood options.
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Affiliation(s)
- Sanjeet Debnath
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | | | - Suman Kumari
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | - Gunjan Karnatak
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | | | - Basanta Kumar Das
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | - Arijit Das
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | - Bandana Das Ghosh
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
| | - Aneek Roy
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, India
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25569
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Vereckei A, Katona G, Szénási G, Vidács LD, Földeák D, Takács H, Nagy V, Sepp R. Novel electrocardiographic criteria may render possible the more accurate recognition of cardiac amyloidosis. ESC Heart Fail 2024; 11:1030-1038. [PMID: 38243379 DOI: 10.1002/ehf2.14655] [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: 07/22/2023] [Revised: 10/04/2023] [Accepted: 12/12/2023] [Indexed: 01/21/2024] Open
Abstract
AIMS The early diagnosis of cardiac amyloidosis (CA) is paramount, since there are effective therapies that improve patient survival. The diagnostic accuracy of classical electrocardiographic (ECG) signs, such as low voltage, pseudoinfarct pattern, and conduction disturbances in the diagnosis of CA, is inferior to that of the echocardiographic myocardial deformation criteria; therefore, our aim was to find more accurate novel ECG criteria for this purpose. METHODS We tested the diagnostic value of five novel ECG criteria, two of them devised by us, in 34 patients with confirmed CA (20 transthyretin amyloidosis and 14 AL amyloidosis) and 45 control patients with left ventricular hypertrophy on echocardiography due to hypertension, valvular aortic stenosis and hypertrophic cardiomyopathy. The following novel ECG criteria, that suggested CA, were tested: QRS amplitude in lead I < 0.55 mV (I < 0.55); QRS amplitude in lead aVR < 0.5 mV (aVR < 0.5); average QRS amplitude of leads I + aVR < 0.575 mV [(I + aVR) < 0.575]; average QRS amplitude of leads I + aVR/average QRS amplitude of leads V1-4 < 0.375 [(I + aVR)/(V1-4) < 0.375]; average QRS amplitude of leads I + aVR/longest intrinsicoid deflection in leads I,aVL,V1-6 < 0.0115 [(I + aVR)/I,aVL,V1-6ID < 0.0115]. RESULTS The I < 0.55, aVR < 0.5, (I + aVR) < 0.575, (I + aVR)/(V1-4) < 0.375, (I + aVR)/I,aVL,V1-6ID < 0.0115 test accuracy (TA) were 81%, 84.8%, 82.3%, 84.8%, and 83.3%, respectively; the sensitivity (SE): 76.5%, 82.4%, 85.3%, 82.4%, and 76.9%; specificity (SP): 84.4%, 86.7%, 80%, 86.7%, and 87.5%; positive predictive values (PPV): 78.8%, 82.4%, 76.3%, 82.4%, and 80%; negative predictive values (NPV): 82.6%, 86.7%, 87.8%, 86.7%, and 85.4%; area under curve (AUC) values: 0.8922, 0.8794, 09016, 0.8824, and 0.8462 were respectively. These parameters of the novel ECG criteria were at least as good as those reported by other authors in the literature of the qualitative (TA: 67%, SE: 80%, SP: 34%, PPV: 75%, NPV: 42%, AUC: 0.57) and quantitative apical sparing (TA: 64-80%, SE: 66-81.3%, SP: 55-78.3%, PPV: 33-83.9%, NPV: 41-75%, AUC: 0.62-0.68) and left ventricular ejection fraction/global longitudinal strain >4.1 (TA: 77%, SE: 93%, SP: 38%, PPV: 79%, NPV: 69%, AUC: 0.65) echocardiographic criteria. Among the classical criteria, the low voltage in limb leads criterion was present most frequently (in 73.5%) in patients with CA, with slightly worse diagnostic value than the novel ECG criteria (TA: 78.5%, SE: 73.5%, SP: 82.2%, PPV: 75.8%, NPV: 80.4%). CONCLUSIONS The novel ECG criteria [mostly the aVR < 0.5, (I + aVR)/(V1-4) < 0.375] seem at least as reliable in the diagnosis of CA as the best echocardiographic myocardial deformation criteria and might be used either together with the echocardiographic criteria or as stand-alone criteria to diagnose CA in the future.
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Affiliation(s)
- András Vereckei
- Department of Medicine and Hematology, Semmelweis University, Budapest, Hungary
| | - Gábor Katona
- Department of Medicine and Hematology, Semmelweis University, Budapest, Hungary
| | - Gábor Szénási
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - László Dániel Vidács
- Department of Internal Medicine, Division of Non-Invasive Cardiology, University of Szeged, Szeged, Hungary
| | - Dóra Földeák
- Department of Internal Medicine, Division of Non-Invasive Cardiology, University of Szeged, Szeged, Hungary
| | - Hedvig Takács
- Department of Internal Medicine, Division of Non-Invasive Cardiology, University of Szeged, Szeged, Hungary
| | - Viktória Nagy
- Department of Internal Medicine, Division of Non-Invasive Cardiology, University of Szeged, Szeged, Hungary
| | - Róbert Sepp
- Department of Internal Medicine, Division of Non-Invasive Cardiology, University of Szeged, Szeged, Hungary
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25570
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Sanno H, Taniguchi K, Yoshimoto Y, Saji S. Treatment patterns, healthcare resource utilization and outcomes for early stage triple-negative breast cancer in Japan. Future Oncol 2024; 20:833-849. [PMID: 38305038 DOI: 10.2217/fon-2023-0960] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024] Open
Abstract
Aim: There is limited information regarding the treatment and outcomes of early stage triple-negative breast cancer (esTNBC) in real-world settings in Japan. Materials & methods: Retrospective analyses of the Medical Data Vision database assessed treatment patterns, healthcare resource utilization (HCRU), patient characteristics, outcomes and prognostic factors among four groups (neoadjuvant therapy+surgery+adjuvant therapy; neoadjuvant therapy+surgery; surgery+adjuvant therapy; surgery only) of esTNBC patients. Results: Treatment patterns, HCRU and demographics varied among the four groups. HCRU was greater and prognosis tended to be worse in the neoadjuvant+surgery+adjuvant therapy group. Conclusion: Our results provide insights into the treatment practices, HCRU and prognosis of esTNBC in Japan. The treatment practices were heterogeneous, reflecting the decision-making process in Japan during the study period.
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Affiliation(s)
- Hitomi Sanno
- MSD K.K., Tokyo, Kitanomaru Square, 1-13-12 Kudan-kita, Chiyoda-ku, Tokyo, 102-8667, Japan
| | - Kazuko Taniguchi
- MSD K.K., Tokyo, Kitanomaru Square, 1-13-12 Kudan-kita, Chiyoda-ku, Tokyo, 102-8667, Japan
| | - Yuya Yoshimoto
- Department of Radiation Oncology, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Shigehira Saji
- Department of Medical Oncology, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
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25571
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Shaheen F, Imran M, Haider A, Shahzadi A, Moeen S, Ul-Hamid A, Ullah H, Khan S, Alshomrany AS, Jeridi M, Al-Anazy MM, Ikram M. Size-controlled synthesis of La and chitosan doped cobalt selenide nanostructures for catalytic and antibacterial activity with molecular docking analysis. Int J Biol Macromol 2024; 263:130096. [PMID: 38354925 DOI: 10.1016/j.ijbiomac.2024.130096] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/28/2024] [Accepted: 02/08/2024] [Indexed: 02/16/2024]
Abstract
Co-precipitation method was adopted to synthesize ternary heterostructure catalysts La/CS-CoSe NSs (lanthanum/chitosan‑cobalt selenide nanostructures) without the use of a surfactant. During synthesis, a fixed amount (3 wt%) of CS was doped with 2 and 4 wt% La to control the growth, recombination rate and stability of CoSe NSs. The doped samples served to enhance the surface area, porosity and active sites for catalytic degradation of rhodamine B dye and antibacterial potential against Staphylococcus aureus (S. aureus). Additionally, the synthesized catalysts were examined for morphological, structural and optical characteristics to assess the influence of dopants to CoSe. XRD spectra verified the hexagonal and cubic structure of CoSe, whereas the porosity of the undoped sample (CoSe) increased from 45 to 60 % upon incorporation of dopants (La and Cs). Among the samples analyzed during this study, 4 % La/CS-CoSe exhibited significant bactericidal behavior as well as the highest catalytic reduction of rhodamine B dye in a neutral environment. Molecular docking analysis was employed to elucidate the underlying mechanism behind the bactericidal activity exhibited by CS-CoSe and La/CS-CoSe NSs against DHFRS. aureus and DNA gyraseS. aureus.
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Affiliation(s)
- Fatima Shaheen
- Department of Chemistry, Government College University, Faisalabad, Pakpattan Road, Sahiwal, Punjab, 57000, Pakistan
| | - Muhammad Imran
- Department of Chemistry, Government College University, Faisalabad, Pakpattan Road, Sahiwal, Punjab, 57000, Pakistan.
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture, Multan 66000, Punjab, Pakistan.
| | - Anum Shahzadi
- Department of Pharmacy, COMSATS Islamabad, Lahore campus, 54000, Pakistan
| | - Sawaira Moeen
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia.
| | - Hameed Ullah
- Laboratory of Nanomaterials for Renewable Energy and Artificial Photosynthesis (NanoREAP), Institute of Physics, U.F.R.G.S., 91509-900 Porto Alegre, Rio Grande do Sul, Brazil
| | - Sherdil Khan
- Laboratory of Nanomaterials for Renewable Energy and Artificial Photosynthesis (NanoREAP), Institute of Physics, U.F.R.G.S., 91509-900 Porto Alegre, Rio Grande do Sul, Brazil
| | - Ali S Alshomrany
- Department of Physics, College of Sciences, Umm Al-Qura University, Al Taif HWY, Mecca 24381, Saudi Arabia
| | - Mouna Jeridi
- Biology Department, College of Science, King Khalid University, Abha 61413, Saudi Arabia
| | - Murefah Mana Al-Anazy
- Department of Chemistry, College of Sciences, Princess Nourah bint Abdulrahman University (PNU), P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan.
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25572
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Eisazadeh R, Mirshahvalad SA, Schwieghofer-Zwink G, Hehenwarter L, Rendl G, Gampenrieder S, Greil R, Pirich C, Beheshti M. Pre-treatment 68 Ga-PSMA-11 PET/CT Prognostic Value in Predicting Response to 177Lu-PSMA-I&T Therapy and Patient Survival. Mol Imaging Biol 2024; 26:360-369. [PMID: 38360991 DOI: 10.1007/s11307-024-01900-6] [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: 11/09/2023] [Revised: 01/15/2024] [Accepted: 02/06/2024] [Indexed: 02/17/2024]
Abstract
PURPOSE To assess the prognostic value of pre-treatment [68Ga]Ga-PSMA-11 PET/CT and other baseline clinical characteristics in predicting prostate cancer (PCa) patients response to [177Lu]Lu-PSMA (PSMA-I&T), as well as patient survival. PROCEDURES In this retrospective study, 81 patients who received [177Lu]Lu-PSMA-I&T between October 2018 and January 2023 were reviewed. Eligible patients had metastatic castration-resistant PCa, underwent pre-treatment [68Ga]Ga-PSMA-11 PET/CT, and had serum prostate-specific antigen (PSA) levels available. On PET/CT images, SUVmax, SULmax, SUVpeak, and SULpeak of the most-avid tumoral lesion, as well as SUVmean of the parotid gland (P-SUVmean) and liver (L-SUVmean), were measured. Also, whole-body PSMA tumour volume (PSMA-TV) and total lesion PSMA (TL-PSMA) were calculated. To interpret treatment response after [177Lu]Lu-PSMA-I&T, a composite of PSA values and [68Ga]Ga-PSMA-11 PET/CT findings were considered. The outcomes were dichotomised into progressive versus controlled (stable disease or partial response) disease. Then, the association of baseline parameters with patient response was evaluated. Also, survival analyses were performed to assess baseline parameters in predicting overall survival. RESULTS Sixty patients (age:73 ± 8, PSA:185 ± 371) were included. Patients received at least one cycle of [177Lu]Lu-PSMA therapy (median = 4). Overall, half of the patients showed disease progression. In the progressive versus controlled disease evaluation, the highest SULmax, as well as SUVmax and SULmax to both backgrounds (L-SUVmean and P-SUVmean), were significantly correlated with the outcome (p-values < 0.05). In the multivariate analysis, only SULmax to the L-SUVmean remained significant (p-value = 0.038). The best cut-off was 8 (AUC = 0.71). With a median follow-up of 360 days, 11 mortal events were documented. In the multivariate survival analysis, only SULmax to P-SUVmean (cut-off = 2.4; p-value = 0.043) retained significance (hazard ratio = 4.0). CONCLUSIONS A greater level of PSMA uptake, specifically higher tumour-to-background uptake in the hottest lesion, may hold substantial prognostic significance, considering both [177Lu]Lu-PSMA-I&T response and patient survival. These ratios may have the potential to be used for PCa patient selection for radioligand therapy.
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Affiliation(s)
- Roya Eisazadeh
- Division of Molecular Imaging and Theranostics, Department of Nuclear Medicine, University Hospital, Paracelsus Medical University Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria
| | - Seyed Ali Mirshahvalad
- Division of Molecular Imaging and Theranostics, Department of Nuclear Medicine, University Hospital, Paracelsus Medical University Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria
- Joint Department of Medical Imaging, University Medical Imaging Toronto (UMIT), University Health Network, Mount Sinai Hospital & Women's College Hospital; University of Toronto, Toronto, ON, Canada
| | - Gregor Schwieghofer-Zwink
- Division of Molecular Imaging and Theranostics, Department of Nuclear Medicine, University Hospital, Paracelsus Medical University Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria
| | - Lukas Hehenwarter
- Division of Molecular Imaging and Theranostics, Department of Nuclear Medicine, University Hospital, Paracelsus Medical University Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria
| | - Gundula Rendl
- Division of Molecular Imaging and Theranostics, Department of Nuclear Medicine, University Hospital, Paracelsus Medical University Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria
| | - Simon Gampenrieder
- Department of Internal Medicine III With Haematology, Medical Oncology, and Oncologic Center, University Hospital, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Richard Greil
- Department of Internal Medicine III With Haematology, Medical Oncology, and Oncologic Center, University Hospital, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Christian Pirich
- Division of Molecular Imaging and Theranostics, Department of Nuclear Medicine, University Hospital, Paracelsus Medical University Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria
| | - Mohsen Beheshti
- Division of Molecular Imaging and Theranostics, Department of Nuclear Medicine, University Hospital, Paracelsus Medical University Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria.
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25573
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Reghioua A, Atia D, Hamidi A, Jawad AH, Abdulhameed AS, Mbuvi HM. Production of eco-friendly adsorbent of kaolin clay and cellulose extracted from peanut shells for removal of methylene blue and congo red removal dyes. Int J Biol Macromol 2024; 263:130304. [PMID: 38382796 DOI: 10.1016/j.ijbiomac.2024.130304] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 02/06/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
This present work targets the production of an eco-friendly adsorbent (hereinafter KA/CEL) from kaolin clay functionalized with cellulose extract obtained from peanut shells. The adsorbents were used for decolorization of two different types of organic dyes (cationic: methylene blue, MB; anionic: Congo red, CR) from an aqueous environment. Several analytical methods, including Brunauer-Emmett-Teller (surface properties), Fourier Transforms infrared (functionality), scanning electron microscope, Energy dispersive X-Ray (morphology), and pHpzc test (surface charge), were used to attain the physicochemical characteristics of KA/CEL. The Box-Behnken Design (BBD) was applied to determine the crucial factors affecting adsorption performance. These included cellulose loading at 25 %, an adsorbent dose of 0.06 g, solution pH set at 10 for MB and 7 for CR, a temperature of 45 °C, and contact times of 12.5 min for MB and 20 min for CR dye. The adsorption data exhibited better agreement with the pseudo-second-order kinetic and Freundlich models. The Langmuir model estimated the monolayer capacity to be 291.5 mg/g for MB and 130.7 mg/g for CR at a temperature of 45 °C. This study's pivotal finding underscores the promising potential of KA/CEL as an effective adsorbent for treating wastewater contaminated with organic dyes.
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Affiliation(s)
- Abdallah Reghioua
- Fac. Technology, University of El Oued, 39000 El Oued, Algeria; Laboratory of Applied Chemistry and Environment, University of El Oued, 39000 El Oued, Algeria; Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.
| | - Djamal Atia
- Fac. Exact Sciences, University of El Oued, 39000 El Oued, Algeria
| | | | - Ali H Jawad
- Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; Advanced Biomaterials and Carbon Development Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; Environmental and Atmospheric Sciences Research Group, Scientific Research Center, Al-Ayen University, Thi-Qar, Nasiriyah 64001, Iraq
| | - Ahmed Saud Abdulhameed
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Anbar, Ramadi, Iraq; College of Engineering, University of Warith Al-Anbiyaa, Karbala, Iraq
| | - Harun M Mbuvi
- Department of Chemistry, Kenyatta University Nairobi, Kenya
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25574
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Song C, Hu P, Peng R, Li F, Fang Z, Xu Y. Bioenergetic dysfunction in the pathogenesis of intervertebral disc degeneration. Pharmacol Res 2024; 202:107119. [PMID: 38417775 DOI: 10.1016/j.phrs.2024.107119] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/16/2024] [Accepted: 02/24/2024] [Indexed: 03/01/2024]
Abstract
Intervertebral disc (IVD) degeneration is a frequent cause of low back pain and is the most common cause of disability. Treatments for symptomatic IVD degeneration, including conservative treatments such as analgesics, physical therapy, anti-inflammatories and surgeries, are aimed at alleviating neurological symptoms. However, there are no effective treatments to prevent or delay IVD degeneration. Previous studies have identified risk factors for IVD degeneration such as aging, inflammation, genetic factors, mechanical overload, nutrient deprivation and smoking, but metabolic dysfunction has not been highlighted. IVDs are the largest avascular structures in the human body and determine the hypoxic and glycolytic features of nucleus pulposus (NP) cells. Accumulating evidence has demonstrated that intracellular metabolic dysfunction is associated with IVD degeneration, but a comprehensive review is lacking. Here, by reviewing the physiological features of IVDs, pathological processes and metabolic changes associated with IVD degeneration and the functions of metabolic genes in IVDs, we highlight that glycolytic pathway and intact mitochondrial function are essential for IVD homeostasis. In degenerated NPs, glycolysis and mitochondrial function are downregulated. Boosting glycolysis such as HIF1α overexpression protects against IVD degeneration. Moreover, the correlations between metabolic diseases such as diabetes, obesity and IVD degeneration and their underlying molecular mechanisms are discussed. Hyperglycemia in diabetic diseases leads to cell senescence, the senescence-associated phenotype (SASP), apoptosis and catabolism of extracellualr matrix in IVDs. Correcting the global metabolic disorders such as insulin or GLP-1 receptor agonist administration is beneficial for diabetes associated IVD degeneration. Overall, we summarized the recent progress of investigations on metabolic contributions to IVD degeneration and provide a new perspective that correcting metabolic dysfunction may be beneficial for treating IVD degeneration.
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Affiliation(s)
- Chao Song
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Peixuan Hu
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Renpeng Peng
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Feng Li
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China.
| | - Zhong Fang
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China.
| | - Yong Xu
- Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China.
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25575
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Wong CS, Weisberg SB. Development of an accreditation process for analytical methods to measure microplastics in drinking water for regulatory monitoring. Chemosphere 2024; 353:141568. [PMID: 38417487 DOI: 10.1016/j.chemosphere.2024.141568] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/04/2024] [Accepted: 02/25/2024] [Indexed: 03/01/2024]
Abstract
Development of a laboratory accreditation program to ensure competency of laboratories performing analytical measurements is a key step in adopting new analytical measurement methods for regulatory decision-making. Here, we describe California's three-part accreditation process for spectroscopically measuring microplastics in drinking water, and show how data from a multi-laboratory method comparison study informed development of accreditation programs for the resulting methods, which can inform analogous future work for other analytes. The first part is periodic performance evaluation (PE) samples, in which laboratories are provided blind samples of known composition to quantify within acceptable performance limits. The second is inspection, or audit, assessing whether the laboratory has the proper equipment to conduct the work and whether it is correctly employing proper procedures. The third is implementation of a quality management system providing documentation that protocols demonstrated during inspection are continuously maintained. These fell into three broad categories: instrument maintenance; laboratory cleanliness, especially important for microplastics and one that must be accompanied by a blanks measurement and correction process; and training so samples are being processed by qualified analysts. An intercomparison exercise among 22 laboratories was necessary to determine what parameter permutations were important for PE samples, and expected accuracy from competent laboratories. The recommended PE sample composition was two size categories (20-50um and 500um-1mm), two polymer types, and two morphologies (fibers and non-fibers). Discussions among intercomparison exercise participants were key in determining the factors that most contributed to laboratory variability, and the focus for both on-site inspections and quality management systems.
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Affiliation(s)
- Charles S Wong
- Southern California Coastal Water Research Project Authority, Costa Mesa, CA, 92626, USA.
| | - Stephen B Weisberg
- Southern California Coastal Water Research Project Authority, Costa Mesa, CA, 92626, USA
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25576
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Zhu Y, Tian Y, Han S, Wang J, Liu Y, Yin J. Structure, evolution, and roles of SWEET proteins in growth and stress responses in plants. Int J Biol Macromol 2024; 263:130441. [PMID: 38417760 DOI: 10.1016/j.ijbiomac.2024.130441] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/23/2024] [Accepted: 02/23/2024] [Indexed: 03/01/2024]
Abstract
Carbohydrates are exported by the SWEET family of transporters, which is a novel class of carriers that can transport sugars across cell membranes and facilitate sugar's long-distance transport from source to sink organs in plants. SWEETs play crucial roles in a wide range of physiologically important processes by regulating apoplastic and symplastic sugar concentrations. These processes include host-pathogen interactions, abiotic stress responses, and plant growth and development. In the present review, we (i) describe the structure and organization of SWEETs in the cell membrane, (ii) discuss the roles of SWEETs in sugar loading and unloading processes, (iii) identify the distinct functions of SWEETs in regulating plant growth and development including flower, fruit, and seed development, (iv) shed light on the importance of SWEETs in modulating abiotic stress resistance, and (v) describe the role of SWEET genes during plant-pathogen interaction. Finally, several perspectives regarding future investigations for improving the understanding of sugar-mediated plant defenses are proposed.
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Affiliation(s)
- Yongxing Zhu
- Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland/College of Agriculture, Yangtze University, Jingzhou 434000, Hubei, China; Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434000, Hubei, China.
| | - Ye Tian
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434000, Hubei, China
| | - Shuo Han
- Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland/College of Agriculture, Yangtze University, Jingzhou 434000, Hubei, China.
| | - Jie Wang
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434000, Hubei, China.
| | - Yiqing Liu
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434000, Hubei, China
| | - Junliang Yin
- Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland/College of Agriculture, Yangtze University, Jingzhou 434000, Hubei, China.
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25577
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Robin J, Lefeuvre S, Guihenneuc J, Cambien G, Dupuis A, Venisse N. Analytical methods and biomonitoring results in hair for the assessment of exposure to endocrine-disrupting chemicals: A literature review. Chemosphere 2024; 353:141523. [PMID: 38417485 DOI: 10.1016/j.chemosphere.2024.141523] [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] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 02/03/2024] [Accepted: 02/20/2024] [Indexed: 03/01/2024]
Abstract
Endocrine-disrupting chemicals (EDC) are compounds that alter functions of the endocrine system due to their ability to mimic or antagonize endogenous hormones, or that alter their synthesis and metabolism, causing adverse health effects. Human biomonitoring (HBM) is a reliable method to assess human exposure to chemicals through measurement in human body fluids and tissues. It identifies new sources of exposure and determines their distribution, thereby enabling detection of the most exposed populations. Blood and urine are commonly used for HBM of EDC, but their interest is limited for compounds presenting short half-lives. Hair appears as an interesting alternative insofar as it provides a large exposure window. For the present study, we evaluated the relevance of hair in determining EDC exposure. With this in mind, we undertook a literature review focusing on the bioanalytical aspects and performances of methods developed to determine EDC in hair. The literature review was performed through methodical bibliographical research. Relevant articles were identified using two scientific databases: PubMed and Web of Science, with search equations built from a combination of keywords, MeSH terms and Boolean operators. The search strategy identified 2949 articles. After duplicates were removed, and following title, abstract, and full-text screenings, only 31 were included for qualitative synthesis. Hair collection was mainly performed in the back of the head and preparation involved two processes: cutting into small pieces or grounding to powder. The off-line LC-MS/MS method remains the main technique used to assess EDC through hair. Differences regarding the validation of analytical methods and interpretation of HBM results were highlighted, suggesting a need for international harmonisation to obtain reliable and comparable results. External contamination of hair was identified as a main limitation in the interpretation of results, highlighting the need to better understand EDC transfers through hair and to develop relevant hair decontamination processes.
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Affiliation(s)
- Julien Robin
- Université de Poitiers, CNRS, Laboratoire EBI, Équipe IHES, F-86000 Poitiers, France; CHU de Poitiers, CIC-Inserm, Axe EATHER, F-86000 Poitiers, France
| | - Sandrine Lefeuvre
- Université de Poitiers, CNRS, Laboratoire EBI, Équipe IHES, F-86000 Poitiers, France; CHU de Poitiers, CIC-Inserm, Axe EATHER, F-86000 Poitiers, France
| | - Jérémy Guihenneuc
- Université de Poitiers, CNRS, Laboratoire EBI, Équipe IHES, F-86000 Poitiers, France; CHU de Poitiers, CIC-Inserm, Axe EATHER, F-86000 Poitiers, France
| | - Guillaume Cambien
- Université de Poitiers, CNRS, Laboratoire EBI, Équipe IHES, F-86000 Poitiers, France; CHU de Poitiers, CIC-Inserm, Axe EATHER, F-86000 Poitiers, France
| | - Antoine Dupuis
- Université de Poitiers, CNRS, Laboratoire EBI, Équipe IHES, F-86000 Poitiers, France; CHU de Poitiers, CIC-Inserm, Axe EATHER, F-86000 Poitiers, France
| | - Nicolas Venisse
- Université de Poitiers, CNRS, Laboratoire EBI, Équipe IHES, F-86000 Poitiers, France; CHU de Poitiers, CIC-Inserm, Axe EATHER, F-86000 Poitiers, France.
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25578
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Mu D, Wang C, Geng X, Zhao Y, Mohamed TA, Wu D, Wei Z. Effect of Maillard reaction based on catechol polymerization on the conversion of food waste to humus. Chemosphere 2024; 353:141560. [PMID: 38417496 DOI: 10.1016/j.chemosphere.2024.141560] [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] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 02/06/2024] [Accepted: 02/24/2024] [Indexed: 03/01/2024]
Abstract
The pollution and harm of food waste (FW) are increasingly concerned, which has the dual attributes of pollutants and resources. This study aimed to improve the synthesis efficiency of FW humic substances (HS), and investigating the effect of catechol on the formation mechanism and structure of humic acid (HA) and fulvic acid (FA). Results indicated that catechol incorporation could enable to exhibit higher HS yield and more complex structure, especially the maximum particle size of FA reached 4800 nm. This was due to the combination of catechol with multiple nitrogenous compounds, which accelerated molecular condensation. Spectroscopic scans analysis revealed that Maillard reaction occurs first. Subsequently, Maillard reaction products and amino acids were combined with different sites of catechol, which leads to the difference of molecular structure of HS. The structure of FA is characterized by an abundance of carboxyl and hydroxyl groups, whereas HA is rich in benzene and heterocyclic structures. The structural difference was responsible for the disparity in the functional properties of FA and HA. Specifically, the presence of amino, hydroxyl, pyridine, and carboxyl groups in FA contributes significantly to its chelating activity. This research provides an efficient and sustainable unique solution for the high-value of FW conversion, and provides evidence for understanding the structural evolution of HA and FA.
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Affiliation(s)
- Daichen Mu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Chao Wang
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xinyu Geng
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Yue Zhao
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Taha Ahmed Mohamed
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Di Wu
- College of Life Science, Northeast Forestry University, Harbin 150030, China
| | - Zimin Wei
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin, 300387, China.
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25579
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Maha R, Alison J, Michael S, Manvydas V. Triple assessment breast clinics: The value of clinical core biopsies. Ir J Med Sci 2024; 193:565-570. [PMID: 37550600 PMCID: PMC10961266 DOI: 10.1007/s11845-023-03445-z] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 06/23/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND Triple Assessment Breast Clinics are designed for rapid diagnosis of symptomatic patients. When there is no concordance between clinical and radiological assessment, clinicians perform clinical core biopsies. In patients with a clinically suspicious examination (S4, S5) and normal imaging, clinically guided core biopsy should be performed as per NCCP guidelines. However, substantial research does not exist on the diagnostic value or use of clinical core biopsies in non-suspicious palpable (S3) lesions and practices differ in each health system. AIMS The aim of this research was to assess the diagnostic value of clinical core biopsies in nonsuspicious, probably benign palpable breast lesions (S3) where image guided cores were not indicated (R1/R2). METHODS The cohort consisted of patients undergoing clinical core biopsies at a Symptomatic Breast Unit from January 2014 to 2019. Data regarding patient demographics, outcome of triple-assessment and incidence of malignancy were obtained from a prospectively maintained database and results were analysed using Minitab 2018. RESULTS Three hundred and sixty patients had a clinical core biopsy performed in this period. Clinical examination scores for these patients were S1/S2 (66), S3 (277), S4 (15), and S5 (2). Radiology Scores were R1/R2 (355) and R3(5). Two patients with clinical score S3 (0.6%) were diagnosed with breast cancer due to their clinical cores. Both patients had normal mass imaging. There was no association between uncertain palpable breast lesions (S3), and atypia or malignancy on biopsy results when breast imaging was normal (P = 0.43, χ2 test). CONCLUSION Despite clinical core biopsies being used in triple assessment, there is no certainty in their value except that there is high clinical suspicion. Imaging modalities are constantly improving and are already well established. When the patient is assigned a clinical score of S3 and has normal radiology, a clinical core biopsy is not required in most cases.
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Affiliation(s)
| | - Johnston Alison
- Donegal Clinical Research Academy, Letterkenny University Hospital, Letterkenny, Co. Donegal, Ireland
- Department of Breast Surgery, Letterkenny University Hospital, Letterkenny, Co. Donegal, Ireland
| | - Sugrue Michael
- Donegal Clinical Research Academy, Letterkenny University Hospital, Letterkenny, Co. Donegal, Ireland
- Department of Breast Surgery, Letterkenny University Hospital, Letterkenny, Co. Donegal, Ireland
| | - Varzgalis Manvydas
- Department of Breast Surgery, Letterkenny University Hospital, Letterkenny, Co. Donegal, Ireland.
- University Of Galway, Galway, Ireland.
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25580
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Zouvelou V, Velonakis G. When myasthenia gravis is not all. Acta Neurol Belg 2024; 124:651-652. [PMID: 37561320 DOI: 10.1007/s13760-023-02353-4] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 07/31/2023] [Indexed: 08/11/2023]
Affiliation(s)
- Vasiliki Zouvelou
- 1st Neurology Department, Eginition Hospital, National and Kapodistrian University of Athens, 74 Vas. Sophias Ave., 11528, Athens, Greece.
| | - Georgios Velonakis
- Research Unit of Radiology, 2nd Department of Radiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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25581
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He J, Yang M, Song C, Zhang R, Yuan S, Li J, Dou K. Lipoprotein(a) is associated with recurrent cardiovascular events in patients with coronary artery disease and prediabetes or diabetes. J Endocrinol Invest 2024; 47:883-894. [PMID: 37777699 DOI: 10.1007/s40618-023-02203-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 09/17/2023] [Indexed: 10/02/2023]
Abstract
PURPOSE Elevated lipoprotein(a) [Lp(a)] and diabetes mellitus (DM) are both associated with adverse events in high-risk patients with established coronary artery disease (CAD). Currently, the association between Lp(a) levels and recurrent cardiovascular (CV) events (CVEs) remained undetermined in patients with different glucose status. Therefore, this study aimed to investigate the prognostic significance of Lp(a) levels for recurrent CVEs in high-risk CAD patients who suffered from first CVEs according to different glycemic metabolism. METHODS We recruited 5257 consecutive patients with prior CVEs and followed up for recurrent CVEs, including CV death, non-fatal myocardial infarction (MI), and non-fatal stroke. Patients were assigned to low, medium, and high groups according to Lp(a) levels and further stratified by glucose status. RESULTS During a median 37-month follow-up, 225 (4.28%) recurrent CVEs occurred. High Lp(a) was independently associated with recurrent CVEs [adjusted Hazard Ratio (HR), 1.57; 95% confidence interval (CI) 1.12-2.19; P = 0.008]. When participants were classified according to Lp(a) levels and glycemic status, high Lp(a) levels were associated with an increased risk of recurrent CVEs in pre-DM (adjusted HR, 2.96; 95% CI 1.24-7.05; P = 0.014). Meanwhile, medium and high Lp(a) levels were both associated with an increased risk for recurrent CVEs in DM (adjusted HR, 3.09; 95% CI 1.30-7.34; P = 0.010 and adjusted HR, 3.13, 95% CI 1.30-7.53; P = 0.011, respectively). CONCLUSIONS This study demonstrated that elevated Lp(a) levels were associated with an increased recurrent CVE risk in patients with CAD, particularly among those with pre-DM and DM, indicating that Lp(a) may provide incremental value in risk stratification in this population.
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Affiliation(s)
- J He
- State Key Laboratory of Cardiovascular Disease, Beijing, China
- Cardiometabolic Medicine Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing, 100037, China
- Department of Cardiology, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - M Yang
- Department of Cardiology, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - C Song
- State Key Laboratory of Cardiovascular Disease, Beijing, China
- Cardiometabolic Medicine Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing, 100037, China
- Department of Cardiology, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - R Zhang
- State Key Laboratory of Cardiovascular Disease, Beijing, China
- Cardiometabolic Medicine Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing, 100037, China
- Department of Cardiology, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Clinical Research Center for Cardiovascular Diseases, Beijing, China
| | - S Yuan
- State Key Laboratory of Cardiovascular Disease, Beijing, China
- Cardiometabolic Medicine Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing, 100037, China
- Department of Cardiology, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - J Li
- State Key Laboratory of Cardiovascular Disease, Beijing, China.
- Cardiometabolic Medicine Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing, 100037, China.
| | - K Dou
- State Key Laboratory of Cardiovascular Disease, Beijing, China.
- Cardiometabolic Medicine Center, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 167A Beilishi Road, Xi Cheng District, Beijing, 100037, China.
- Department of Cardiology, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
- National Clinical Research Center for Cardiovascular Diseases, Beijing, China.
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25582
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Ravi M, Tewari N, Atif M, Srivastav S, Shrivastava N, Rahul M. Comparative assessment of scientific reach and utilization of the International Association of Dental Traumatology 2020 guidelines: An altmetric and citation analysis. Dent Traumatol 2024; 40:229-237. [PMID: 37775956 DOI: 10.1111/edt.12893] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/14/2023] [Accepted: 09/14/2023] [Indexed: 10/01/2023]
Abstract
BACKGROUND/AIM The updated version of the International Association of Dental Traumatology (IADT) guidelines was published online in May 2020 in the form of four papers. They are extensively used in dental trauma education in textbooks, undergraduate and postgraduate programs, and clinical workshops. Hence, this study aimed to assess the impact, global scientific reach, and utilization of these guidelines through altmetric and citation analysis. MATERIAL AND METHODS The protocol was prepared after an expert group discussion. Dimensions database was used to derive the altmetric and citation data on April 10th, 2023. The data was extracted by using a self-designed pre-piloted form by two authors independently. The citing articles were further categorized into the type of study and the domains and subdomains of dental traumatology. The VOSviewer program was utilized to explore the correlation between the subdomains and the overlap of citations was assessed by creating a citation matrix. RESULTS A total of 552 citations had been collectively received by the four papers. The highest was seen for the guidelines for fracture and luxation in permanent teeth (FL), avulsion in permanent teeth (AV), general introduction (GI), and primary teeth (PT). Dental Traumatology had the maximum number of citing papers for each guideline. They were from 52 countries with English being the commonest language. Overall, the maximum number of citations had been received in narrative reviews (n = 104) and the majority of cited papers were categorized in the therapeutic domains. The most common subdomain for the papers that cited GI, FL, and AV was "treatment protocols in permanent teeth", while it was "awareness of prevention and emergency management of traumatic dental injuries" for the papers that had cited PT. CONCLUSIONS This analysis highlighted that the IADT 2020 guidelines are globally popular resources, which are widely used by the researchers across specialities and are intended towards clinical application.
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Affiliation(s)
- Mugilan Ravi
- Department of Paediatric Dentistry, All India Institute of Medical Sciences, Raipur, India
| | - Nitesh Tewari
- Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Mohammad Atif
- Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Sukeshana Srivastav
- Section of Orthodontics, Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark
| | - Nikhil Shrivastava
- Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Morankar Rahul
- Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
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25583
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Kang L, Piao M, Liu N, Gu W, Feng C. Sevoflurane Exposure Induces Neuronal Cell Ferroptosis Initiated by Increase of Intracellular Hydrogen Peroxide in the Developing Brain via ER Stress ATF3 Activation. Mol Neurobiol 2024; 61:2313-2335. [PMID: 37874483 DOI: 10.1007/s12035-023-03695-z] [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: 05/11/2023] [Accepted: 10/04/2023] [Indexed: 10/25/2023]
Abstract
Neuronal cell death is acknowledged as the primary pathological basis underlying developmental neurotoxicity in response to sevoflurane exposure, but the exact mechanism remains unclear. Ferroptosis is a form of programmed cell death characterized by iron-dependent lipid peroxidation that is driven by hydrogen peroxide (H2O2) and ferrous iron through the Fenton reaction and participates in the pathogenesis of multiple neurological diseases. As stress response factor, activating transcription factor 3 (ATF3) can be activated by the PERK/ATF4 pathway during endoplasmic reticulum (ER) stress, followed by increased intracellular H2O2, which is involved in regulation of apoptosis, autophagy, and ferroptosis. Here, we investigated whether ferroptosis and ATF3 activation were implicated in sevoflurane-induced neuronal cell death in the developing brain. The results showed that sevoflurane exposure induced neuronal death as a result of iron-dependent lipid peroxidation damage secondary to H2O2 accumulation and ferrous iron increase, which was consistent with the criteria for ferroptosis. Furthermore, we observed that increases in iron and H2O2 induced by sevoflurane exposure were associated with the upregulation and nuclear translocation of ATF3 in response to ER stress. Knockdown of ATF3 expression alleviated iron-dependent lipid peroxidation, which prevented sevoflurane-induced neuronal ferroptosis. Mechanistically, ATF3 promoted sevoflurane-induced H2O2 accumulation by activating NOX4 and suppressing catalase, GPX4, and SLC7A11 expression. Additionally, an increase in H2O2 was accompanied by the upregulation of TFR and TF and downregulation of FPN, which linked iron overload to ferroptosis induced by sevoflurane. Taken together, our results demonstrated that ER stress-mediated ATF3 activation contributed to sevoflurane-induced neuronal ferroptosis via H2O2 accumulation and the resultant iron overload.
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Affiliation(s)
- Liheng Kang
- Department of Anesthesiology, The First Hospital of Jilin University, No. 1 Xinmin St., Changchun, 130021, China
| | - Meihua Piao
- Department of Anesthesiology, The First Hospital of Jilin University, No. 1 Xinmin St., Changchun, 130021, China
| | - Nan Liu
- Department of Anesthesiology, The First Hospital of Jilin University, No. 1 Xinmin St., Changchun, 130021, China
| | - Wanping Gu
- Department of Anesthesiology, The First Hospital of Jilin University, No. 1 Xinmin St., Changchun, 130021, China
| | - Chunsheng Feng
- Department of Anesthesiology, The First Hospital of Jilin University, No. 1 Xinmin St., Changchun, 130021, China.
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25584
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Hassanzadeh S, Sabetvand M, Sardar R, Aryanpour R, Namjoo Z. Spinal Cord Injury Model Mitochondria Connect Altered Function with Defects of Mitochondrion Morphology: an Ultrastructural Study. Mol Neurobiol 2024; 61:2241-2248. [PMID: 37870678 DOI: 10.1007/s12035-023-03710-3] [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: 01/23/2023] [Accepted: 10/12/2023] [Indexed: 10/24/2023]
Abstract
The key role of mitochondria in neurodegenerative disease patients is well documented. Recent studies claimed that mitochondrial regulatory dysfunction might play a role in ongoing cell death and dysfunction. In the present study, we characterized ultrastructural morphometry of mitochondrial alterations occurring at the level of motor neuron cell bodies in SCI-induced rats. We applied 17β-estradiol (E2) to determine whether it can improve mitochondria structural integrity of motor neurons. We used a rat model of acute SCI generated by spinal cord contusion at the T9-T10 level, followed by tissue processing 21 days post-SCI. Samples were divided into five groups: laminectomy, SCI, vehicle, SCI + 25 µg/kg E2, and SCI + 10 µg/kg E2. Assessments included analysis of hind limb motor recovery, quantifying tissue repair, and evaluation of morphological changes in the ultrastructure of mitochondria in motor neurons by transmission electron microscopy. In the E2-treated groups, especially the group receiving 25 µg/kg E2, less irregular mitochondria were observed, as there was a significant reduction in swelling or vacuolization, or fragmentation compared to the SCI group. Furthermore, E2 significantly reduced membrane rupture in the SCI group. E2 could be a proper therapeutic agent to relieve mitochondrial deleterious effects on neurons in neurodegenerative diseases.
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Affiliation(s)
- Sajad Hassanzadeh
- Eye Research Center, The Five Senses Institute, School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Mahsa Sabetvand
- Students Research Committee, Faculty of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Reza Sardar
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Roya Aryanpour
- Department of Anatomy, Faculty of Medicine, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Zeinab Namjoo
- Department of Anatomical Science, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
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25585
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Inaba N, Takagi T, Seki A, Takayama S. Postoperative deviation in Wassel types II and III radial polydactyly: a retrospective analysis of 73 thumbs. J Hand Surg Eur Vol 2024; 49:463-469. [PMID: 37882671 DOI: 10.1177/17531934231209871] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
This study examined the relationship between osteochondral stability and postoperative deviation at the interphalangeal (IP) joint in Wassel types II and III radial polydactyly. Cases with cartilaginous fusion between the radial distal phalanx and the proximal phalanx were classified as type IIB, while the remaining cases were categorized as type IIA. In conventional surgery, the cartilage was routinely resected on the radial aspect of the proximal phalangeal head, while in the modified procedure, this was preserved to avoid postoperative radial deviation. Postoperatively, there was no significant difference between both procedures in type IIA thumbs regarding IP joint deviation, whereas in type IIB/III thumbs, IP joint deviation was significantly higher in the conventional group (mean 19° [SD 16°]) compared to the modified group (mean 0.8° [SD 4.9°]). Surgeons should exercise caution against excessive cartilage excision to preserve osteochondral stability during procedures, especially for type IIB and III radial polydactylies.Level of evidence: IV.
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Affiliation(s)
- Naoto Inaba
- Division of Orthopaedic Surgery, Department of Surgical Specialties, National Center for Child Health and Development, Tokyo, Japan
| | - Takehiko Takagi
- Division of Orthopaedic Surgery, Department of Surgical Specialties, National Center for Child Health and Development, Tokyo, Japan
| | - Atsuhito Seki
- Division of Orthopaedic Surgery, Department of Surgical Specialties, National Center for Child Health and Development, Tokyo, Japan
| | - Shinichiro Takayama
- Division of Orthopaedic Surgery, Department of Surgical Specialties, National Center for Child Health and Development, Tokyo, Japan
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25586
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Simonson M, Li Y, Zhu B, McAnany JJ, Chirakalwasan N, Sutabutr Vajaranant T, Hanlon EC, Pannain S, Anothaisintawee T, Reutrakul S. Multidimensional sleep health and diabetic retinopathy: Systematic review and meta-analysis. Sleep Med Rev 2024; 74:101891. [PMID: 38118339 PMCID: PMC10963161 DOI: 10.1016/j.smrv.2023.101891] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/24/2023] [Accepted: 12/04/2023] [Indexed: 12/22/2023]
Abstract
Diabetic retinopathy (DR) is one of the most prevalent microvascular diabetic complications. Poor sleep health and obstructive sleep apnea (OSA) are risk factors for diabetes and poor glycemic control. Recent studies have suggested associations between poor sleep health/OSA and DR. Furthermore, there have been suggestions of melatonin dysregulation in the context of DR. We conducted a systematic review and meta-analysis exploring the associations between multidimensional sleep health (duration, satisfaction, efficiency, timing/regularity and alertness), OSA and melatonin with DR. Forty-two studies were included. Long, but not short sleep, was significantly associated with DR, OR 1.41 (95%CI 1.21, 1.64). Poor sleep satisfaction was also significantly associated with DR, OR 2.04 (1.41, 2.94). Sleep efficiency and alertness were not associated with DR, while the evidence on timing/regularity was scant. Having OSA was significantly associated with having DR, OR 1.34 (1.07, 1.69). Further, those with DR had significantly lower melatonin/melatonin metabolite levels than those without DR, standardized mean difference -0.94 (-1.44, -0.44). We explored whether treating OSA with continuous positive airway pressure (CPAP) led to improvement in DR (five studies). The results were mixed among studies, but potential benefits were observed in some. This review highlights the association between poor multidimensional sleep health and DR.
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Affiliation(s)
- Matthew Simonson
- College of Medicine, University of Illinois Chicago, Chicago, IL, USA
| | - Yanliang Li
- Department of Ophthalmology and Visual Sciences, University of Illinois Chicago, Chicago, IL, USA
| | - Bingqian Zhu
- School of Nursing, Shanghai Jiao Tong University, Shanghai, China
| | - J Jason McAnany
- Department of Ophthalmology and Visual Sciences, University of Illinois Chicago, Chicago, IL, USA
| | - Naricha Chirakalwasan
- Excellence Center for Sleep Disorders, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Thailand; Division of Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Erin C Hanlon
- Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, University of Chicago, Chicago, IL, USA
| | - Silvana Pannain
- Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, University of Chicago, Chicago, IL, USA
| | - Thunyarat Anothaisintawee
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
| | - Sirimon Reutrakul
- Section of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois Chicago, Chicago, IL, USA; Department of Biobehavioral Nursing Science, College of Nursing, University of Illinois, Chicago, USA.
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25587
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Han X, Chu F, Jia D, Gao M, Zhang R, Zhang X, Wang H. Wound complication risk factors following open reduction and internal fixation of ankle fractures. Int Wound J 2024; 21:e14581. [PMID: 38112250 PMCID: PMC10961896 DOI: 10.1111/iwj.14581] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 12/06/2023] [Indexed: 12/21/2023] Open
Abstract
This study was designed to identify risk factors for wound complications including surgical site infection (SSI) and wound healing issues following open reduction and internal fixation (ORIF) of ankle fractures. A retrospective analysis of individuals with ankle fractures treated with ORIF was undertaken. Study subjects were divided into a wound complications (WC) group and a no wound complication (NWC) group. The WC group was further divided into an SSI group and wound healing issues group. Twenty-one potential risk factors associated with wound complications after ORIF were tracked. Uni- and multivariate binary logistical regression analyses were used to identify risk factors associated with wound complications, ISS and wound healing issues. In total, 613 individuals, who had undergone surgery for ankle fractures formed the study cohort. The incidence of postoperative wound complications was 10.3% (63 cases), including 5.2% of SSI (32 cases) and 5.1% of wound healing issues (31 cases). The independent risk factors for wound complications were age 65 years or older, preoperative serum albumin level below 35 g/L, peripheral neuropathy, open fracture, fewer than seven cases per year in surgical volume, and attending surgeon level. The independent risk factors for SSI were age 65 years or older, preoperative serum albumin level below 35 g/L, open fracture and fewer than seven cases per year in surgical volume. The independent risk factors for wound healing issues were preoperative serum albumin level below 35 g/L, peripheral neuropathy, open fracture and attending surgeon level. Herein we found both factors inherent to the injury and individual and those pertaining to the surgical team affected the frequency of wound complications after ORIF of ankle fractures. Specifically, advanced age and low surgical volume were associated with a greater risk of SSI. Peripheral neuropathy and the low expertise level on the part of the surgeon were associated with a greater risk of wound healing issues. Hypoproteinaemia and open fracture were both associated with a greater risk of both SSI and wound healing issues.
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Affiliation(s)
- Xiuguo Han
- Department of Emergency SurgeryAffiliated Hospital of Jining Medical UniversityJiningChina
| | - Fenglong Chu
- Department of Orthopedic TraumaAffiliated Hospital of Jining Medical UniversityJiningChina
| | - Dailiang Jia
- Department of Emergency SurgeryAffiliated Hospital of Jining Medical UniversityJiningChina
| | - Ming Gao
- Department of Orthopedic TraumaAffiliated Hospital of Jining Medical UniversityJiningChina
| | - Rui Zhang
- Department of Orthopedic TraumaAffiliated Hospital of Jining Medical UniversityJiningChina
| | - Xu Zhang
- Department of Emergency SurgeryAffiliated Hospital of Jining Medical UniversityJiningChina
| | - Haibin Wang
- Department of Emergency SurgeryAffiliated Hospital of Jining Medical UniversityJiningChina
- Department of Orthopedic TraumaAffiliated Hospital of Jining Medical UniversityJiningChina
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25588
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Button AM, Staiano AE, Beyl RA, Stein RI, Newton RL, Baker A, Lima A, Lindros J, Conn AM, Welch RR, Cook SR, Wilfley DE. Validation of remote child weight and height measurements within a weight management trial. Obesity (Silver Spring) 2024; 32:660-666. [PMID: 38108115 DOI: 10.1002/oby.23972] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/30/2023] [Accepted: 11/19/2023] [Indexed: 12/19/2023]
Abstract
OBJECTIVE The aim of this substudy within the Treatment Efforts Addressing Child Weight Management by Unifying Patients, Parents, and Providers (TEAM UP) pragmatic clinical trial was to compare the validity of anthropometric measurements collected remotely versus in person (≤7 days apart) among youth with obesity who were 6 to 15 years of age. METHODS Child (n = 37) weight and height were measured in person by a trained data assessor. These were compared with measurements taken remotely by the child's parent with live videoconferencing observation by a study data assessor. In-person and remote measurements were compared using Bland-Altman plots, Pearson correlations, and two one-sided paired t tests. A priori bounds of acceptability were set at ±0.68 kg to allow for typical weight fluctuations within the 7-day comparison period. RESULTS Measurements were highly correlated (height: r = 0.991, p < 0.0001; weight: r = 0.999; p = 0.03). For height, two one-sided t tests for upper, t(36) = 3.95, and lower, t(36) = -2.63, bounds (-1, 1) revealed an overall p = 0.006; absolute error was 3.5 cm. For weight, two one-sided t tests for upper, t(36) = 1.93, and lower, t(36) = -7.91, bounds (-0.68, 0.68) revealed an overall p = 0.03; absolute error was 1.7 kg. CONCLUSIONS The present findings support the utility and interpretation of remotely assessed weight management outcomes for both research and clinical purposes. These procedures may offer greater accessibility to evidence-based measurement.
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Affiliation(s)
- Alyssa M Button
- Pennington Biomedical Research Center, Population and Public Health Science, Baton Rouge, Louisiana, USA
| | - Amanda E Staiano
- Pennington Biomedical Research Center, Population and Public Health Science, Baton Rouge, Louisiana, USA
| | - Robbie A Beyl
- Pennington Biomedical Research Center, Population and Public Health Science, Baton Rouge, Louisiana, USA
| | - Richard I Stein
- Washington University School of Medicine, St. Louis, Missouri, USA
| | - Robert L Newton
- Pennington Biomedical Research Center, Population and Public Health Science, Baton Rouge, Louisiana, USA
| | - Alison Baker
- American Academy of Pediatrics, Child and Community Health, Itasca, Illinois, USA
| | - Angela Lima
- Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jeanne Lindros
- American Academy of Pediatrics, Child and Community Health, Itasca, Illinois, USA
| | - Anne-Marie Conn
- University of Rochester Medical Center, Rochester, New York, USA
| | - R Robinson Welch
- Washington University School of Medicine, St. Louis, Missouri, USA
| | - Stephen R Cook
- University of Rochester Medical Center, Rochester, New York, USA
| | - Denise E Wilfley
- Washington University School of Medicine, St. Louis, Missouri, USA
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25589
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Leng S, Jin Y, Vitiello MV, Zhang Y, Ren R, Lu L, Shi J, Tang X. Association of food insecurity with successful aging among older Indians: study based on LASI. Eur J Nutr 2024; 63:859-868. [PMID: 38200307 DOI: 10.1007/s00394-023-03322-6] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024]
Abstract
PURPOSE Whether food insecurity (FI), a social determinant of health, is linked with successful aging (SA) in the older generation remains uncertain. This study explored the association of FI with SA among older Indians. METHODS Data were collected from the Longitudinal Ageing Study in India (LASI) wave 1 (2017-2018). Older adults (≥ 60 years) who completed both the FI and the SA surveys were selected. FI was indicated by the lack of access to enough food in the past year. SA was determined by five components: (1) low probability of diseases; (2) low probability of disability; (3) high cognitive functionality; (4) low probability of depression; and (5) active social engagement. The association of FI and SA was assessed using multivariable logistic regression adjusted for potential covariates. Subgroup analyses were performed to evaluate interactions with age, sex, alcohol use, smoking, and place of residence. RESULTS 27,579 participants met the eligibility criteria. Overall prevalence was 7.13% for FI and 19.41% for SA. Following full adjustment, FI was inversely associated with SA (OR 0.56; 95% CI 0.49-0.65) and with each of SA's five components. No significant interactions of FI and SA were observed in subgroup analyses stratified by age, sex, alcohol use, smoking, or place of residence. CONCLUSIONS FI was inversely associated with SA among older Indians. These findings need to be validated by future studies which should also explore potential underlying mechanisms, and whether interventions decreasing FI might increase SA.
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Affiliation(s)
- Siqi Leng
- Sleep Medicine Center, Department of Urology, Mental Health Center, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Dian Xin Nan Jie 28#, Chengdu, 610041, China
| | - Yuming Jin
- Sleep Medicine Center, Department of Urology, Mental Health Center, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Dian Xin Nan Jie 28#, Chengdu, 610041, China
| | - Michael V Vitiello
- Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Ye Zhang
- Sleep Medicine Center, Department of Urology, Mental Health Center, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Dian Xin Nan Jie 28#, Chengdu, 610041, China
| | - Rong Ren
- Sleep Medicine Center, Department of Urology, Mental Health Center, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Dian Xin Nan Jie 28#, Chengdu, 610041, China
| | - Lin Lu
- National Institute On Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, Beijing, 100191, China
| | - Jie Shi
- National Institute On Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, Beijing, 100191, China
| | - Xiangdong Tang
- Sleep Medicine Center, Department of Urology, Mental Health Center, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Dian Xin Nan Jie 28#, Chengdu, 610041, China.
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25590
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Gharat S, Basudkar V, Momin M. In-Vitro and in-Vivo Evaluation of the Developed Curcumin-Cyclosporine-Loaded Nanoemulgel for the Management of Rheumatoid Arthritis. Immunol Invest 2024; 53:490-522. [PMID: 38197806 DOI: 10.1080/08820139.2024.2301997] [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: 01/11/2024]
Abstract
BACKGROUND Topical nanogel-based formulations have shown potential in the management of rheumatoid arthritis (RA). The aim of this research work was to explore the synergistic effect of Curcumin (CUR) and Cyclosporine (CYC) in combination via a topical route for the management of RA. METHODS The CUR+CYC loaded nanoemulsion was developed using the spontaneous emulsification technique and was subsequently incorporated into Carbopol® Ultrez 30-NF gel. The effect of the developed formulation on levels of proinflammatory cytokines (IL-6, TNF-α) and anti-inflammatory cytokine (IL-10) was evaluated using lipopolysaccharide (LPS) induced RAW 264.7 cell culture model. The anti-arthritic activity was evaluated in a Complete Freund's Adjuvant (CFA) induced arthritic rat model. RESULTS The optimized nanoemulgel (CUR + CYC NE gel) exhibited average globule size of 15.32 nm ±2.7 nm, poly-dispersity index of 0.181 ± 0.034 and zeta potential of -16.3 mV ± 0.9 mV. The cumulative drug release from ex-vivo diffusion studies on porcine ear skin was 99.189% ± 1.419% at the of 24 h and 99.177% ± 1.234% at the end of 18 h for CUR and CYC, respectively. The cell culture studies revealed that the formulation was able to significantly lower (p < .001) the levels of IL-6 and TNF-α, inhibited prostaglandin E2 (PGE2) while significantly elevating (p < .001) the levels of anti-inflammatory cytokine (IL-10). The gel was found to be non-irritating and showed the inhibition of paw edema and substantial reduction of arthritic symptoms in an arthritic rat model as compared to commercial and other conventional alternatives. CONCLUSION This study highlights the potential of the developed nanoemulgel for the management of RA by enhancing the topical permeation of CUR and CYC.
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Affiliation(s)
- Sankalp Gharat
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Vivek Basudkar
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Munira Momin
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
- Director (I/C), SVKM's Shri C. B. Patel Research Centre for Chemistry and Biological Sciences, Mumbai, India
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25591
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Hameed S, Saleem F, Özil M, Baltaş N, Salar U, Ashraf S, Ul-Haq Z, Taha M, Khan KM. Indenoquinoxaline-phenylacrylohydrazide hybrids as promising drug candidates for the treatment of type 2 diabetes: In vitro and in silico evaluation of enzyme inhibition and antioxidant activity. Int J Biol Macromol 2024; 263:129517. [PMID: 38266833 DOI: 10.1016/j.ijbiomac.2024.129517] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/26/2023] [Accepted: 01/13/2024] [Indexed: 01/26/2024]
Abstract
Existing drugs that are being used to treat type-2 diabetes mellitus are associated with several side effects; thus, exploring potential drug candidates is still an utter need these days. Hybrids of indenoquinoxaline and hydrazide have never been explored as antidiabetic agents. In this study, a series of new indenoquinoxaline-phenylacrylohydrazide hybrids (1-30) were synthesized, structurally characterized, and evaluated for α-amylase and α-glucosidase inhibitory activities, as well as for their antioxidant properties. All scaffolds exhibited varying degrees of inhibitory activity against both enzymes, with IC50 values ranging from 2.34 to 61.12 μM for α-amylase and 0.42 to 54.72 μM for α-glucosidase. Particularly, compounds 10, 16, 17, 18, 24, and 25 demonstrated the highest efficacy in inhibiting α-amylase, while compounds 6, 7, 8, 10, 12, 14, 13, 16, 17, 18, 24, and 25 were the most effective α-glucosidase inhibitors, compared to standard acarbose. Moreover, most of these compounds displayed substantial antioxidant potential compared to standard butylated hydroxytoluene (BHT). Kinetics studies revealed competitive inhibition modes by compounds. Furthermore, a comprehensive in silico study and toxicity prediction were also conducted, further validating these analogs as potential drug candidates. The structured compounds demonstrated enhanced profiles, underscoring their potential as primary candidates in drug discovery.
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Affiliation(s)
- Shehryar Hameed
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Faiza Saleem
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Musa Özil
- Department of Chemistry, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Nimet Baltaş
- Department of Chemistry, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Uzma Salar
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Sajda Ashraf
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Zaheer Ul-Haq
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Muhammad Taha
- Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam 31441, Saudi Arabia
| | - Khalid Mohammed Khan
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; Pakistan Academy of Science, 3-Constitution Avenue, G-5/2, Islamabad 44000, Pakistan.
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25592
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Nagai K, Kobayashi K, Miyake R, Sato Y, Seki R, Fukuda T, Yagi A, Uchida R, Ohshiro T, Tomoda H. Synthesis and biological evaluation of nectriatide derivatives, potentiators of amphotericin B activity. J Antibiot (Tokyo) 2024; 77:214-220. [PMID: 38267575 DOI: 10.1038/s41429-023-00700-4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 01/26/2024]
Abstract
Nectriatide 1a, a naturally occurring cyclic tetrapeptide, has been reported to a potentiator of amphotericin B (AmB) activity. In order to elucidate its structure-activity relationships, we synthesized nectriatide derivatives with different amino acids in solution-phase synthesis and evaluated AmB-potentiating activity against Candida albicans. Among them, C-and N-terminal protected linear peptides were found to show the most potent AmB-potentiating activity.
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Affiliation(s)
- Kenichiro Nagai
- Microbial Chemistry and Medical Research Laboratories, Graduate School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan.
| | - Keisuke Kobayashi
- Microbial Chemistry and Medical Research Laboratories, Graduate School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan
| | - Ryosuke Miyake
- Microbial Chemistry and Medical Research Laboratories, Graduate School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan
| | - Yukino Sato
- Microbial Chemistry and Medical Research Laboratories, Graduate School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan
| | - Reiko Seki
- Microbial Chemistry and Medical Research Laboratories, Graduate School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan
| | - Takashi Fukuda
- Department of Fisheries, Faculty of Agriculture and Agricultural Technology and Innovation Research Institute, Kindai University, 3327-204 Nakamachi, Nara, 631-8505, Japan
| | - Akiho Yagi
- Division of Natural Product Chemistry, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, Miyagi, 981-8558, Japan
| | - Ryuji Uchida
- Division of Natural Product Chemistry, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai, Miyagi, 981-8558, Japan
| | - Taichi Ohshiro
- Microbial Chemistry and Medical Research Laboratories, Graduate School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan
| | - Hiroshi Tomoda
- Microbial Chemistry and Medical Research Laboratories, Graduate School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan
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25593
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Wörtler K. [Bone marrow edema syndromes of the knee]. Radiologie (Heidelb) 2024; 64:287-294. [PMID: 38270705 DOI: 10.1007/s00117-023-01259-9] [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] [Subscribe] [Scholar Register] [Accepted: 12/19/2023] [Indexed: 01/26/2024]
Abstract
Bone marrow edema represents a common finding on magnetic resonance imaging (MRI) of the knee and other joints, which can occur as a primary pathology or as a secondary phenomenon of various bone and joint pathologies. This article reviews the terminology, definition, pathology and differential diagnosis of bone marrow edema of the knee taking into consideration current concepts.
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Affiliation(s)
- Klaus Wörtler
- Sektion Muskuloskelettale Radiologie, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Str. 22, 81675, München, Deutschland.
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25594
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Peng Y, Li Y, Pi Y, Yue X. Effects of almond (Armeniaca Sibirica L. Lam) polysaccharides on gut microbiota and anti-inflammatory effects on LPS-induced RAW264.7 cells. Int J Biol Macromol 2024; 263:130098. [PMID: 38342264 DOI: 10.1016/j.ijbiomac.2024.130098] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/16/2024] [Accepted: 02/08/2024] [Indexed: 02/13/2024]
Abstract
The aim of this study was to investigate the prebiotic properties of the almond polysaccharide AP-1 on intestinal microorganisms by using an in vitro fecal fermentation method and its anti-inflammatory effect on lipopolysaccharide (LPS)-induced RAW264.7 cells. The results showed that during the in vitro fermentation of AP-1, the pH value of the fermentation broth decreased obviously, while the concentration of short-chain fatty acids (SCFAs) increased significantly, especially acetic acid and butyric acid. In genus level, the number of Clostridium and Megamonas increased markedly in the AP-1 group after 24 h of fermentation. After 48 h of fermentation, there was a noticeable increase in the number of beneficial genera Lactobacillaceae and Bifidobacteriaceae, and a considerable decrease in the number of pro-inflammatory genera. In addition, we found that AP-1 had no toxic effect on RAW264.7 cells. In the LPS-induced inflammation model of RAW264.7 cells, AP-1 could effectively inhibit the release of NO, regulate the level of reactive oxides (ROS), and effectively down-regulate the mRNA expression of TNF-α, IL-1β, IL-6 and iNOS. In conclusion, the almond polysaccharide AP-1 may be a functional active substance aimed at promoting intestinal health and exerting anti-inflammatory effects.
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Affiliation(s)
- Yanqi Peng
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Yingshuo Li
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China
| | - Yuzhen Pi
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China.
| | - Xiqing Yue
- College of Food Science, Shenyang Agricultural University, Shenyang 11086, China.
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25595
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Migliorini F, Pilone M, Schäfer L, Simeone F, Bell A, Maffulli N. Functional alignment in robotic-assisted total knee arthroplasty: a systematic review. Arch Orthop Trauma Surg 2024; 144:1741-1749. [PMID: 38337093 DOI: 10.1007/s00402-023-05195-0] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/21/2023] [Indexed: 02/12/2024]
Abstract
PURPOSE The present study systematically reviewed current evidence on functional alignment (FA) in robotic total knee arthroplasty (TKA), discussing advantages and limitations, possible pitfalls, and prospects. METHODS This study was conducted according to the 2020 PRISMA statement. In August 2023, the following databases were accessed: PubMed, Web of Science, Google Scholar, and Embase with no additional filters or time constraints. All the clinical studies investigating functional alignment in robotic TKA were accessed. Only studies published in peer-reviewed journals were considered. The risk of bias was evaluated following the guidelines in the Cochrane Handbook for Systematic Reviews of Interventions. Non-randomized controlled trials (non-RCTs) were evaluated using the Risk of Bias in Nonrandomised Studies of Interventions (NRSI) (ROBINS-I) tool. RESULTS Data from 1198 patients (seven studies) were retrieved. The mean length of the follow-up was 17.1 ± 6.4 months. The mean age was 67.2 ± 5.4 years, and the mean BMI was 30.9 ± 2.7 kg/m2. CONCLUSION FA might improve resection accuracy, implant alignment, and gap balancing in TKA, and additional high-quality clinical trials are necessary to properly establish the superiority of FA to other alignment techniques in TKA. Long-term clinical trials are needed to investigate the impact of FA on implant survivorship. LEVEL OF EVIDENCE Level IV, systematic review and meta-analysis.
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Affiliation(s)
- Filippo Migliorini
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Medical Centre, Pauwelsstraße 30, 52074, Aachen, Germany.
- Department of Orthopedics and Trauma Surgery, Academic Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical University, 39100, Bolzano, Italy.
| | - Marco Pilone
- Residency Program in Orthopedics and Traumatology, University of Milan, Milan, Italy
| | - Luise Schäfer
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Medical Centre, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Francesco Simeone
- Department of Orthopedics and Trauma Surgery, Academic Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical University, 39100, Bolzano, Italy
| | - Andreas Bell
- Department of Orthopedics, Eifelklinik St. Brigida, Simmerath, Germany
| | - Nicola Maffulli
- Department of Medicine and Psychology, University of Rome "La Sapienza", Rome, Italy
- School of Pharmacy and Bioengineering, Faculty of Medicine, Keele University, Stoke On Trent, ST4 7QB, UK
- Centre for Sports and Exercise Medicine, Barts and the London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, London, E1 4DG, UK
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25596
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Banerjee R, Kumar KJ. Evaluating the effects of time-dependent drying and pressure heat treatments on the variation of physicochemical and rheological properties of suran starch. Int J Biol Macromol 2024; 263:130071. [PMID: 38340926 DOI: 10.1016/j.ijbiomac.2024.130071] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
Recent research developments have shed light on hydrothermal treatment as a commonly employed method for physical modifications. Surprisingly, there is a scarcity of studies investigating the impact of time variation which is a critical process parameter. Therefore, it is important to closely monitor the critical process parameters throughout the process. Hence, the present study investigates the influence of time-dependent hydrothermal modifications like dry heat (DH) and pressure heat (AT) on Suran starch, focusing on the physicochemical and rheological properties. Over time, the modified starches showed increased swelling and solubility power due to intermolecular hydrogen bond disruption. Prolonged heat exposure made starch granules more susceptible to water absorption, enhancing their swelling capacity. Rheological analysis revealed time-dependent shear-thinning behaviour, with modified starches showing improved resistance to shear stress compared to native starch. Extended heat treatment led to structural rearrangements in starch granules, resulting in increased entanglement and higher viscosity, contributing to improved mechanical properties. Interestingly, the AT-25 starch sample exhibited the highest elasticity, indicating enhanced structural rigidity under high shear conditions. The time-dependent alterations due to pressure treatments improved the functionalities and structural integrity of modified Suran starch. These findings highlight the positive impact of time-dependent heat treatment modifications on Suran starch, making it a valuable resource for various industrial applications. Enhancing the industrial viability of underutilized Suran starch could contribute significantly to meeting the demand for starch in various industries.
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Affiliation(s)
- Riya Banerjee
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, 835215, Jharkhand, India
| | - K Jayaram Kumar
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, 835215, Jharkhand, India.
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25597
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Khalili Z, Motakef Kazemi N, Jafari Azar Z, Mosavi Z, Hasanzadeh M. Fabrication and characterization of a Bi 2O 3-modified chitosan@ZIF-8 nanocomposite for enhanced drug loading-releasing efficacy. Int J Biol Macromol 2024; 263:130295. [PMID: 38382787 DOI: 10.1016/j.ijbiomac.2024.130295] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
In this study, a simple novel hybrid mesoporous nanomaterial derived from a metal-organic framework (ZIF-8) and chitosan, which were coated on green bismuth oxide, has been successfully synthesized, characterized, and applied to investigate its dapsone loading-releasing capability in the aqueous media. This suggested nanocomposite showed promise for drug loading from water b using hydrogen bonds, pi-pi, and electrostatic interactions. Structural and morphological analyses were performed on the proposed green synthesized nanocomposite through scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, Brunauer-Emmett-Teller analysis, and thermogravimetric analysis. Various influencing parameters, including pH, nanocomposite dose, and contact time, were investigated to optimize the dapsone loading process. Utilizing the non-linear optimization methodology, the results show that dapsone-loading efficiency was >85 % for 50 mg.L-1 of dapsone drug. The optimum parameters for achieving maximal loading of dapsone drug were pH = 6.8, hybrid mesosphere dose = 2.6 mg.mL-1, and time = 53 min. Based on the release investigations, the dapsone-loaded nanocomposite was put into phosphate buffer saline, at pH = 7.4 and T = 37 °C, with a maximum efficiency of 93.9 after 24 h.
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Affiliation(s)
- Zahra Khalili
- Department of Medical Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Negar Motakef Kazemi
- Department of Medical Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Zahra Jafari Azar
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Zahra Mosavi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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25598
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Willmot N, Leow LA, Filmer HL, Dux PE. Exploring the intra-individual reliability of tDCS: A registered report. Cortex 2024; 173:61-79. [PMID: 38382128 DOI: 10.1016/j.cortex.2023.12.015] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 02/23/2024]
Abstract
Transcranial direct current stimulation (tDCS), a form of non-invasive brain stimulation, has become an important tool for the study of in-vivo brain function due to its modulatory effects. Over the past two decades, interest in the influence of tDCS on behaviour has increased markedly, resulting in a large body of literature spanning multiple domains. However, the effect of tDCS on human performance often varies, bringing into question the reliability of this approach. While reviews and meta-analyses highlight the contributions of methodological inconsistencies and individual differences, no published studies have directly tested the intra-individual reliability of tDCS effects on behaviour. Here, we conducted a large scale, double-blinded, sham-controlled registered report to assess the reliability of two single-session low-dose tDCS montages, previously found to impact response selection and motor learning operations, across two separate time periods. Our planned analysis found no evidence for either protocol being effective nor reliable. Post-hoc explorative analyses found evidence that tDCS influenced motor learning, but not response selection learning. In addition, the reliability of motor learning performance across trials was shown to be disrupted by tDCS. These findings are amongst the first to shed light specifically on the intra-individual reliability of tDCS effects on behaviour and provide valuable information to the field.
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Affiliation(s)
- Nicholas Willmot
- Department of Defence, Edinburgh, SA, Australia; School of Psychology, The University of Queensland, St Lucia, QLD, Australia.
| | - Li-Ann Leow
- School of Psychology, The University of Queensland, St Lucia, QLD, Australia
| | - Hannah L Filmer
- School of Psychology, The University of Queensland, St Lucia, QLD, Australia
| | - Paul E Dux
- School of Psychology, The University of Queensland, St Lucia, QLD, Australia
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25599
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Scotto CR, Petitcollin F, Dupuy O, Casiez G, Dugué B, Toussaint L. Arm cooling selectively impacts sensorimotor control. J Neurophysiol 2024; 131:607-618. [PMID: 38381536 DOI: 10.1152/jn.00196.2023] [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: 05/12/2023] [Revised: 01/09/2024] [Accepted: 02/15/2024] [Indexed: 02/23/2024] Open
Abstract
The benefits of cold have long been recognized in sport and medicine. However, it also brings costs, which have more rarely been investigated, notably in terms of sensorimotor control. We hypothesized that, in addition to peripheral effects, cold slows down the processing of proprioceptive cues, which has an impact on both feedback and feedforward control. We therefore compared the performances of participants whose right arm had been immersed in either cold water (arm temperature: 14°C) or lukewarm water (arm temperature: 34°C). In experiment 1, we administered a Fitts's pointing task and performed a kinematic analysis to determine whether sensorimotor control processes were affected by the cold. Results revealed 1) modifications in late kinematic parameters, suggesting changes in the use of proprioceptive feedback, and 2) modifications in early kinematic parameters, suggesting changes in action representations and/or feedforward processes. To explore our hypothesis further, we ran a second experiment in which no physical movement was involved, and thus no peripheral effects. Participants were administrated a hand laterality task, known to involve implicit motor imagery and assess the internal representation of the hand. They were shown left- and right-hand images randomly displayed in different orientations in the picture plane and had to identify as quickly and as accurately as possible whether each image was of the left hand or the right hand. Results revealed slower responses and more errors when participants had to mentally rotate the cooled hand in the extreme orientation of 160°, further suggesting the impact of cold on action representations.NEW & NOTEWORTHY We investigated how arm cooling modulates sensorimotor representations and sensorimotor control. Arm cooling induced changes in early kinematic parameters of pointing, suggesting an impact on feedforward processes or hand representation. Arm cooling induced changes in late kinematic parameters of pointing, suggesting an impact on feedback processes. Arm cooling also affected performance on a hand laterality task, suggesting that action representations were modified.
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Affiliation(s)
- Cecile R Scotto
- Université de Poitiers and Université de Tours, Centre National de la Recherche Scientifique; Centre de Recherches sur la Cognition et l'Apprentissage (UMR 7295), Poitiers, France
| | - Florian Petitcollin
- Université de Poitiers and Université de Tours, Centre National de la Recherche Scientifique; Centre de Recherches sur la Cognition et l'Apprentissage (UMR 7295), Poitiers, France
| | - Olivier Dupuy
- Laboratoire MOVE (UR20296), Faculté des Sciences du Sport, Université de Poitiers, Poitiers, France
- Ecole de Kinesiologie et des Sciences de l'activité physique (EKSAP), Faculté de Médecine, Université de Montréal, Montreal, Quebec, Canada
| | - Géry Casiez
- Université de Lille, CNRS, Inria, Centrale Lille, UMR 9189 CRIStAL, Lille, France
- Institut Universitaire de France (IUF), Paris, France
| | - Benoit Dugué
- Laboratoire MOVE (UR20296), Faculté des Sciences du Sport, Université de Poitiers, Poitiers, France
| | - Lucette Toussaint
- Université de Poitiers and Université de Tours, Centre National de la Recherche Scientifique; Centre de Recherches sur la Cognition et l'Apprentissage (UMR 7295), Poitiers, France
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25600
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Ouyang E, Wu M, He W, Liu H, Gui M, Yang H. Chitin/calcite composite extracted from shell waste as a low-cost adsorbent for removal of tetracycline and ciprofloxacin: Effects and mechanisms. Chemosphere 2024; 353:141503. [PMID: 38382718 DOI: 10.1016/j.chemosphere.2024.141503] [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] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 02/23/2024]
Abstract
Recently, water contamination caused by the misuse of antibiotics has become a growing concern. In this study, an economical chitin/calcite composite (CCA) was extracted from crab shell waste, and the effects and mechanisms of its removal of ciprofloxacin (CIP) and tetracycline (TC) from aqueous solution were investigated. The functional groups of chitin and the metal phase of calcite gave CCA the ability to remove antibiotics. Experiments on kinetics, isothermal adsorption, thermodynamics, co-removal, and reusability were conducted to systematically explore the adsorption performances of CCA toward antibiotics. The pseudo-second-order (FSO) and Langmuir models suited the data obtained from experiments best and displayed a good fit for the chemisorption and a certain homogeneity of adsorption sites. At 25 °C, the maximum adsorption capacities (Qmax) toward CIP and TC were 228.86 and 150.76 mg g-1, respectively. The adsorption mechanisms of CCA with TC and CIP are pH dependent since pH can affect the surface charge of CCA and the form in which CIP and TC are existing. The X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FTIR) demonstrated that the keto-O and carboxyl groups of CIP and the carbonyl, hydroxyl, and amido groups of TC could be responsible for the binding with the calcite and the functional groups of chitin through surface complexation, cation bridge and hydrogen bonding.
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Affiliation(s)
- Erming Ouyang
- School of Resources & Environment, Nanchang University, Nanchang, 330031, Jiangxi, China; Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Mingming Wu
- School of Resources & Environment, Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Wanyuan He
- School of Resources & Environment, Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Haiyang Liu
- School of Resources & Environment, Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Mengyao Gui
- School of Resources & Environment, Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Hongwei Yang
- School of Resources & Environment, Nanchang University, Nanchang, 330031, Jiangxi, China; Engineering Research Center of Watershed Carbon Neutralization, Ministry of Education, Nanchang University, China.
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