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Qin Q, Guo Z, Lu S, Wang X, Fu Q, Wu T, Sun Y, Liu N, Zhang H, Zhao D, Cheng M. Discovery of novel 3-(1H-pyrazol-4-yl)-1H-indazole derivatives as potent type II TRK inhibitors against acquired resistance. Eur J Med Chem 2024; 264:115953. [PMID: 38029466 DOI: 10.1016/j.ejmech.2023.115953] [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: 09/09/2023] [Revised: 11/10/2023] [Accepted: 11/10/2023] [Indexed: 12/01/2023]
Abstract
Tropomyosin receptor kinase (TRK) is a promising target for treating NTRK fusion cancers. The solvent front and xDFG mutations induced by larotrectinib and entrectinib result in acquired resistance in advanced-stage patients. In this study, we report a highly potent and selective type II TRK inhibitor, 40l, developed using a structure-based design strategy. Compound 40l significantly suppressed Km-12, Ba/F3-TRKAG595R, and Ba/F3-TRKAG667C cell proliferation. In biochemical and cellular assays, 40l showed better inhibitory activity against TRKAG667C than that by the positive control, selitrectinib. Additionally, it induced apoptosis of Ba/F3-TRKAG595R and Ba/F3-TRKAG667C cells in a dose-dependent manner. Furthermore, 40l showed good selectivity for a panel of 41 kinases. In vitro assays indicated that 40l possessed outstanding plasma stability and moderate liver microsomal stability. Based on the above results, compound 40l could be further optimized to overcome the solvent front and xDFG TRK mutations.
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Affiliation(s)
- Qiaohua Qin
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Zhiqiang Guo
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Shuyu Lu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Xin Wang
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Qinglin Fu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Tianxiao Wu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Yixiang Sun
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Nian Liu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Haoyu Zhang
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
| | - Dongmei Zhao
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China.
| | - Maosheng Cheng
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, PR China
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Wang Y, Sun Y, Sun F, Han P, Fan R, Ren F. Comparison of clinical characteristics and prognosis between type I and type II endometrial cancer: a single-center retrospective study. Discov Oncol 2023; 14:211. [PMID: 37994955 PMCID: PMC10667178 DOI: 10.1007/s12672-023-00820-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 11/02/2023] [Indexed: 11/24/2023] Open
Abstract
OBJECTIVES To explore the differences in clinical characteristics, prognosis, and risk factors between type I and type II endometrial cancer (EC). MATERIALS AND METHODS We retrospectively collected EC patients diagnosed with type I or type II EC from 2009 to 2021 in the First Affiliated Hospital of Zhengzhou University. RESULTS In total, 606 eligible EC patients (396 type I, and 210 type II) were included. Baseline analyses revealed that type II patients were older, had more advanced clinical stage, were more likely to receive chemoradiotherapy, and had higher incidence of myometrial infiltration, cervix involvement, lymph node metastasis and positive ascites cytology. Type II significantly favored poorer overall survival (OS) (HR = 9.10, 95%CI 4.79-17.28, P < 0.001) and progression-free survival (PFS) (HR = 6.07, 95%CI 2.75-13.37, P < 0.001) compared to type I. For all included EC, univariate and multivariate COX analyses revealed age, myometrial infiltration and pathological type were independent risk factors for OS and PFS. Subgroup analyses identified age, menopause, clinical stage, and lymph node metastasis as independent risk factors for type I regarding OS. While age, myometrial infiltration and chemoradiotherapy were identified as risk and protective factors for type II regrading OS. Age and cervix involvement were identified as independent risk factors for type I regarding PFS. Myometrial infiltration was identified as independent risk factor for type II regarding PFS. CONCLUSION Type II patients shared different clinical characteristics and worse prognosis compared to type I, and their independent risk and protective factors also varied.
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Affiliation(s)
- Yuanpei Wang
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yi Sun
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Fangfang Sun
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Pin Han
- Department of Obstetrics and Gynecology, Luoyang Maternal and Child Health Care Hospital, Luoyang, Henan, China
| | - Rujia Fan
- Department of Obstetrics and Gynecology, Henan Province People's Hospital, Zhengzhou University, Zhengzhou, Henan, China.
| | - Fang Ren
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
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Lopez SJ, Williams HJ, Hogan TF. CHEK2 C1100del mutation associated with papillary renal cell carcinoma type II. Urol Case Rep 2023; 50:102421. [PMID: 37719181 PMCID: PMC10504490 DOI: 10.1016/j.eucr.2023.102421] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 05/02/2023] [Indexed: 09/19/2023] Open
Abstract
CHEK2 mutations have been noted in bone, brain, breast, colon, lung, thyroid, and prostate cancer. Although now reported in both clear cell and non-clear cell renal cancer, we have not found CHEK2 2 mutations reported in the papillary type II subtype (PRCC). Here, we report a 63-year-old female with a PRCC type II with a concomitant CHEK2 C1100del mutation, who is currently in complete remission three years post tumor resection.
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Affiliation(s)
- Santiago J. Lopez
- West Virginia University School of Medicine, Morgantown, West Virginia, United States
| | - H. James Williams
- West Virginia University School of Medicine, Morgantown, West Virginia, United States
| | - Thomas Francis Hogan
- West Virginia University School of Medicine, Morgantown, West Virginia, United States
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Carrizales-Sánchez AK, Tamez-Rivera O, Rodríguez-Gutiérrez NA, Elizondo-Montemayor L, Gradilla-Hernández MS, García-Rivas G, Pacheco A, Senés-Guerrero C. Characterization of gut microbiota associated with metabolic syndrome and type-2 diabetes mellitus in Mexican pediatric subjects. BMC Pediatr 2023; 23:210. [PMID: 37138212 PMCID: PMC10155456 DOI: 10.1186/s12887-023-03983-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 07/07/2022] [Accepted: 03/31/2023] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND Childhood obesity is a serious public health concern that confers a greater risk of developing important comorbidities such as MetS and T2DM. Recent studies evidence that gut microbiota may be a contributing factor; however, only few studies exist in school-age children. Understanding the potential role of gut microbiota in MetS and T2DM pathophysiology from early stages of life might contribute to innovative gut microbiome-based interventions that may improve public health. The main objective of the present study was to characterize and compare gut bacteria of T2DM and MetS children against control subjects and determine which microorganisms might be potentially related with cardiometabolic risk factors to propose gut microbial biomarkers that characterize these conditions for future development of pre-diagnostic tools. RESULTS Stool samples from 21 children with T2DM, 25 with MetS, and 20 controls (n = 66) were collected and processed to conduct 16S rDNA gene sequencing. α- and β-diversity were studied to detect microbial differences among studied groups. Spearman correlation was used to analyze possible associations between gut microbiota and cardiometabolic risk factors, and linear discriminant analyses (LDA) were conducted to determine potential gut bacterial biomarkers. T2DM and MetS showed significant changes in their gut microbiota at genus and family level. Read relative abundance of Faecalibacterium and Oscillospora was significantly higher in MetS and an increasing trend of Prevotella and Dorea was observed from the control group towards T2DM. Positive correlations were found between Prevotella, Dorea, Faecalibacterium, and Lactobacillus with hypertension, abdominal obesity, high glucose levels, and high triglyceride levels. LDA demonstrated the relevance of studying least abundant microbial communities to find specific microbial communities that were characteristic of each studied health condition. CONCLUSIONS Gut microbiota was different at family and genus taxonomic levels among controls, MetS, and T2DM study groups within children from 7 to 17 years old, and some communities seemed to be correlated with relevant subjects' metadata. LDA helped to find potential microbial biomarkers, providing new insights regarding pediatric gut microbiota and its possible use in the future development of gut microbiome-based predictive algorithms.
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Affiliation(s)
- Ana K Carrizales-Sánchez
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey, Nuevo Leon, C.P. 64849, Mexico
| | - Oscar Tamez-Rivera
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
| | - Nora A Rodríguez-Gutiérrez
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
- Hospital Regional Materno Infantil de Alta Especialidad, Av. San Rafael 460, C.P. 67140, Guadalupe, Nuevo Leon, Mexico
| | - Leticia Elizondo-Montemayor
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
| | | | - Gerardo García-Rivas
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de La Salud, Av. Ignacio Morones Prieto 3000, Monterrey, Nuevo Leon, C.P. 64710, Mexico
- Tecnologico de Monterrey, The Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, Nuevo Leon, Mexico
| | - Adriana Pacheco
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey, Nuevo Leon, C.P. 64849, Mexico.
| | - Carolina Senés-Guerrero
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey, Nuevo Leon, C.P. 64849, Mexico.
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Av. General Ramon Corona 2514, Zapopan, Jalisco, C.P. 45138, Mexico.
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Abbasihormozi S, Kouhkan A, Shahverdi A, Sadighi Gilani MA, Babapour V, Niasari Naslji A, Akbarinehad V, Alizadeh A. Nuclear Factor Kappa-B Protein Levels in Sperm of Obese Men with and without Diabetes; Cellular Approach in Male Infertility. Cell J 2023; 25:17-24. [PMID: 36680480 PMCID: PMC9868436 DOI: 10.22074/cellj.2022.557547.1065] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Indexed: 01/22/2023]
Abstract
OBJECTIVE Although the role of obesity and diabetes mellitus (DM) in male infertility is well established, little information about the underlying cellular mechanisms in infertility is available. In this sense, nuclear factor kappa-B (NF-kB) has been recognized as an important regulator in obesity and DM; However, its function in the pathogenesis of male infertility has never been studied in obese or men who suffer from diabetes. Therefore, the main goal of current research is assessing NF-kB existence and activity in ejaculated human spermatozoa considering the obesity and diabetics condition of males. MATERIALS AND METHODS In an experimental study, the ELISA technique was applied to analyze NF-kB levels in sperm of four experimental groups: non-obese none-diabetic men (body mass index (BMI) <25 kg/m2; control group; n=30), obese non-diabetic men (BMI >30 kg/m2; OB group; n=30), non-obese diabetic men (BMI <25 kg/m2; DM group; n=30), and obese diabetic men (BMI >30 kg/m2; OB-DM group; n=30) who were presented to Royan Institute Infertility Center. In addition, protein localization was shown by Immunocytofluorescent assay. Sperm features were also evaluated using CASA. RESULTS The diabetic men were older than non-diabetic men regardless of obesity status (P=0.0002). Sperm progressive motility was affected by obesity (P=0.035) and type A sperm progressive motility was affected by DM (P=0.034). The concentration of sperm (P=0.013), motility (P=0.025) and morphology (P<0.0001) were altered by obesity × diabetes interaction effects. The NF-kB activity was negatively influenced by the main impact of diabetics (P=0.019). Obesity did not affect (P=0.248) NF-kB activity. Uniquely, NF-kB localized to the midpiece of sperm and post-acrosomal areas. CONCLUSION The current study indicated a lower concentration of NF-kB in diabetic men, no effect of obesity on NF-kB was observed yet. Additionally, we revealed the main obesity and diabetes effects, and their interaction effect adversely influenced sperm characteristics.
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Affiliation(s)
- Shima Abbasihormozi
- Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran,Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine,
ACECR, Tehran, Iran
| | - Azam Kouhkan
- Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Abdolhossein Shahverdi
- Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran,Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine,
ACECR, Tehran, Iran
| | - Mohammad Ali Sadighi Gilani
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR,
Tehran, Iran
| | - Vahab Babapour
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Amir Niasari Naslji
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Vahid Akbarinehad
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - AliReza Alizadeh
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine,
ACECR, Tehran, Iran ,P.O.Box: 16635-148Department of EmbryologyReproductive Biomedicine Research CenterRoyan
Institute for Reproductive BiomedicineACECRTehranIran
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Ma R, Zhang S, Guo S, Jiang Z, Wang J, Sun M, Wang S, Wen T, Wang X. In situ low-temperature pyrolysis fabrication type II BiOIO 3/Bi 4O 5I 2 heterostructures with enhanced visible-light-driven photooxidation activity. Sci Total Environ 2022; 837:155836. [PMID: 35550903 DOI: 10.1016/j.scitotenv.2022.155836] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 03/12/2022] [Revised: 04/30/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
Novel visible-light-driven heterostructure semiconductors are considered as promising photocatalysts for the elimination of environmental organic pollutants. Herein, a solvent-assisted low-temperature in situ calcination strategy was developed to fabricate type II BiOIO3/Bi4O5I2 heterojunction by using BiOIO3 as self-sacrificed template. The phase transition temperature of BiOIO3 was reduced under solvent-assisted operating conditions. By controlling the elevated temperature from 200 to 300 °C, an in situ stepwise pyrolysis reaction occurred during the calcination process, which was described as BiOIO3 → BiOIO3/Bi4O5I2 → Bi4O5I2. The light absorption edge of different samples significantly red shifted from 385 to 632 nm with the increase of calcination temperature. Meanwhile, two interlocked interface lattice fringes were identified in high resolution transmission electron microscope (HRTEM) of BiOIO3/Bi4O5I2-250 composites, confirming the formation of BiOIO3/Bi4O5I2 heterojunction. The as-obtained BiOIO3/Bi4O5I2 heterojunction demonstrated the optimal photodegradation performance, which brought about 99.4% of bisphenol A (BPA) degraded within 30 min visible light (λ > 420 nm) illumination. Besides, after 5 repeated cycles, the photoactivity of BiOIO3/Bi4O5I2 heterojunction still maintained 91.5%, unfolding its high photostability. The superior photoreactivity of BiOIO3/Bi4O5I2 nanosheets was assigned to the formation of well-matched type II heterojunction, which significantly enhanced the separation and migration of photoinduced charge carriers. Superoxide radical (O2-) and hole (h+) are dominant reactive species in this photodegradation system. Based on active species quenching experiments and electron paramagnetic resonance (ESR) measurements, a possible type II heterojunction mechanism for enhanced photodegradation performance of BiOIO3/Bi4O5I2 heterostructure was proposed. This work affords an innovative method for design and construction of type II composites toward sustainable water purification.
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Affiliation(s)
- Ran Ma
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Sai Zhang
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Sisheng Guo
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Zheng Jiang
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Jian Wang
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Mingtai Sun
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Process and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, PR China
| | - Suhua Wang
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China; Guangdong Provincial Key Laboratory of Petrochemical Pollution Process and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, PR China
| | - Tao Wen
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China.
| | - Xiangke Wang
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environment and Chemical Engineering, North China Electric Power University, Beijing 102206, PR China
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Phoo NNN, Reid A. Determinants of violence towards care workers working in the home setting: A systematic review. Am J Ind Med 2022; 65:447-467. [PMID: 35352369 PMCID: PMC9314693 DOI: 10.1002/ajim.23351] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/14/2022] [Accepted: 03/14/2022] [Indexed: 11/29/2022]
Abstract
Background Home care is a rapidly growing industry. Violence towards home care workers is common, while also likely underreported. This violence adversely affects the physical and mental health of both workers and care recipients. The current study aims to identify and appraise recent evidence on the determinants of violence towards care workers working in the home setting. Methods Six electronic databases: the Cumulative Index to Nursing and Allied Health Literature (CINAHL), EMBASE, Informit, Medline, PsycINFO, and Web of Science, were systematically searched. A systematic review was conducted in accordance with the Joanna Briggs Institute manual for evidence synthesis. Results A total of 18 papers met the inclusion criteria. All were cross‐sectional surveys. The majority of studies were from the United States. The most commonly investigated associations were those between the medical history of clients, workers' apprehension of violence, worker‐client relationship, or care plans, and any form of violence or verbal abuse. Conclusion Violence was common in clients with cognitive disorders, substance abuse disorder, and limited mobility; toward workers who feared that violence might happen; toward those who had very close or very distant worker‐client relationships; and when care plans were not inclusive of clients' needs. The current review highlights a gap in evidence on determinants of violence towards care workers working in the home setting, and suggests potential areas to be addressed to reduce such violence.
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Affiliation(s)
- Nang Nge Nge Phoo
- School of Population Health, Faculty of Health Sciences Curtin University Bentley Western Australia Australia
| | - Alison Reid
- School of Population Health, Faculty of Health Sciences Curtin University Bentley Western Australia Australia
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Khojah O, Alamoudi S, Aldawsari N, Babgi M, Lary A. Central nervous system vasculopathy and Seckel syndrome: case illustration and systematic review. Childs Nerv Syst 2021; 37:3847-3860. [PMID: 34345934 PMCID: PMC8604825 DOI: 10.1007/s00381-021-05284-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/30/2021] [Indexed: 11/05/2022]
Abstract
PURPOSE To systematically review reported cases of Seckel syndrome (SS) and point out cases associated with central nervous system (CNS) vasculopathy and provide a summary of their clinical presentation, management, and outcomes including our illustrative case. METHODS We conducted a search on the MEDLINE, PubMed, Google Scholar, and Cochrane databases using the keywords "Seckel + syndrome." We identified 127 related articles reporting 252 cases of SS apart from our case. Moreover, we searched for SS cases with CNS vasculopathies from the same databases. We identified 7 related articles reporting 7 cases of CNS vasculopathies in SS patients. RESULTS The overall rate of CNS vasculopathy in SS patients is 3.16% (n = 8/253), where moyamoya disease (MMD) accounted for 1.97%. The mean age is 13.5 years (6-19 years), with equal gender distribution (M:F, 1:1). The most common presenting symptoms were headache and seizure followed by weakness or coma. Aneurysms were mostly located in the basilar artery, middle cerebral artery, and internal carotid artery, respectively. Regardless of the management approach, 50% of the cases sustained mild-moderate neurological deficit, 37.5% have died, and 12.5% sustained no deficit. CONCLUSION A high index of suspicion should be maintained in (SS) patients, and MMD should be part of the differential diagnosis. Prevalence of CNS vasculopathy in SS is 3.16% with a much higher prevalence of MMD compared to the general population. Screening for cerebral vasculopathy in SS is justifiable especially in centers that have good resources. Further data are still needed to identify the most appropriate management plan in these cases.
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Affiliation(s)
- Osama Khojah
- College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia.
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia.
| | - Saeed Alamoudi
- College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
| | - Nouf Aldawsari
- King Abdulaziz Medical City, National Guard Health Affairs, Jeddah, Saudi Arabia
| | - Mohammed Babgi
- College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- Division of Neurosurgery, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Ahmed Lary
- College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- King Abdulaziz Medical City, National Guard Health Affairs, Jeddah, Saudi Arabia
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Ravichandran A, Pichaimuthu A, Arcot R. Laparoscopic excision of a Type II choledochal cyst with cystolithiasis. J Minim Access Surg 2021; 17:259-261. [PMID: 33723185 PMCID: PMC8083736 DOI: 10.4103/jmas.jmas_181_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Choledochal cysts can present with abdominal pain, jaundice and stones.MRI is the standard imaging tool and the type of biliary enteric anastomosis depends on the cyst type.
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Affiliation(s)
- Arihanth Ravichandran
- Department of General Surgery, Saveetha Institute of Medical and Technical Sciences, Saveetha Medical College, Chennai, Tamil Nadu, India
| | - Anbalagan Pichaimuthu
- Department of General Surgery, Saveetha Institute of Medical and Technical Sciences, Saveetha Medical College, Chennai, Tamil Nadu, India
| | - Rekha Arcot
- Department of General Surgery, Saveetha Institute of Medical and Technical Sciences, Saveetha Medical College, Chennai, Tamil Nadu, India
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Alotaibi AS, Yilmaz M, Kanagal-Shamanna R, Loghavi S, Kadia TM, DiNardo CD, Borthakur G, Konopleva M, Pierce SA, Wang SA, Tang G, Guerra V, Samra B, Pemmaraju N, Jabbour E, Short NJ, Issa GC, Ohanian M, Garcia-Manero G, Bhalla KN, Patel KP, Takahashi K, Andreeff M, Cortes JE, Kantarjian HM, Ravandi F, Daver N. Patterns of Resistance Differ in Patients with Acute Myeloid Leukemia Treated with Type I versus Type II FLT3 inhibitors. Blood Cancer Discov 2020; 2:125-134. [PMID: 33681815 DOI: 10.1158/2643-3230.bcd-20-0143] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Despite promising results with FLT3 inhibitors (FLT3i), response durations remain short. We studied pretreatment and relapse bone marrow samples from patients with FLT3-mutated AML treated with FLT3i-based therapies (secondary resistance cohort), and pretreatment bone marrow samples from patients with no response to FLT3i-based therapies (primary resistance cohort). Targeted next generation sequencing at relapse identified emergent mutations involving on-target FLT3, epigenetic modifiers, RAS/MAPK pathway, and less frequently WT1, and TP53. RAS/MAPK and FLT3-D835 mutations emerged most commonly following type I and type II FLT3i-based therapies, respectively. Patients with emergent mutations at relapse had inferior overall survival compared with those without emergent mutations. Among pretreatment RAS mutated patients, pretreatment cohort level variant allelic frequencies for RAS were higher in non-responders, particularly with type I FLT3i-based therapies, suggesting a potential role in primary resistance as well. These data demonstrate distinct pathways of resistance in FLT3-mutated AML treated with type I versus II FLT3i.
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Affiliation(s)
- Ahmad S Alotaibi
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Musa Yilmaz
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | | | - Sanam Loghavi
- The Department of Hematopathology, MD Anderson Cancer Center, Houston, Texas
| | - Tapan M Kadia
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | | | - Gautam Borthakur
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Marina Konopleva
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Sherry A Pierce
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Sa A Wang
- The Department of Hematopathology, MD Anderson Cancer Center, Houston, Texas
| | - Guilin Tang
- The Department of Hematopathology, MD Anderson Cancer Center, Houston, Texas
| | - Veronica Guerra
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Bachar Samra
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Naveen Pemmaraju
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Elias Jabbour
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Nicholas J Short
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Ghayas C Issa
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Maro Ohanian
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | | | - Kapil N Bhalla
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Keyur P Patel
- The Department of Hematopathology, MD Anderson Cancer Center, Houston, Texas
| | - Koichi Takahashi
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Michael Andreeff
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Jorge E Cortes
- Georgia Cancer Center, Augusta University, Augusta, Georgia
| | | | - Farhad Ravandi
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
| | - Naval Daver
- The Department of Leukemia, MD Anderson Cancer Center, Houston, Texas
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11
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Sato H, Hiraki M, Miyoshi A, Ikeda S, Koga H, Kitahara K. The strategy for Mirizzi syndrome type II with laparoscopic surgery: A case report. Int J Surg Case Rep 2020; 77:673-676. [PMID: 33395871 PMCID: PMC7710499 DOI: 10.1016/j.ijscr.2020.11.106] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/18/2020] [Accepted: 11/18/2020] [Indexed: 11/28/2022] Open
Abstract
INTRODUCTION Mirizzi syndrome is an unusual condition involving gallstones. Laparotomy is recommended for the treatment of Mirizzi syndrome type II due to the risk of biliary duct injury. We herein report tips for performing laparoscopic surgery for Mirizzi syndrome type II as a treatment option. PRESENTATION OF CASE A 72-year-old woman was admitted to our hospital due to abdominal pain and a fever. The diagnosis of Mirrizi syndrome type II was made. Therefore, an endoscopic retrograde biliary drainage tube was placed, and laparoscopic surgery was performed. During the operation, the gallbladder wall was excised at the Hartmann's pouch, and a gallstone was extracted. A fistula between the gallbladder and bile duct was confirmed, and the diagnosis of Mirizzi syndrome type II was made. Partial resection of the gallbladder was performed, and the neck of the gallbladder was sutured. The postoperative course was uneventful. DISCUSSION The preoperative diagnosis is important for Mirizzi syndrome, and the combination of various modalities, including endoscopic retrograde cholangiopancreatography, can increase the diagnostic rate. It is often difficult to recognize the anatomy during surgery for Mirizzi syndrome due to severe inflammation. Therefore, it is best to dissect the gallbladder from the bottom, perform excision at the Hartmann's pouch, remove the gallstone and suture the gallbladder wall. Replacement of the biliary tube can aid in recognizing the anatomy and bile duct. CONCLUSION Laparoscopic surgery for Mirizzi syndrome is a viable treatment option following an accurate preoperative diagnosis and the recognition of the anatomy during the operation.
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Affiliation(s)
- Hirofumi Sato
- Department of Surgery, Saga Medical Centre Koseikan, 400 Nakabaru, Kasemachi, Saga City, Saga, 849-8571, Japan
| | - Masatsugu Hiraki
- Department of Surgery, Saga Medical Centre Koseikan, 400 Nakabaru, Kasemachi, Saga City, Saga, 849-8571, Japan.
| | - Atsushi Miyoshi
- Department of Surgery, Saga Medical Centre Koseikan, 400 Nakabaru, Kasemachi, Saga City, Saga, 849-8571, Japan
| | - Shota Ikeda
- Department of Surgery, Saga Medical Centre Koseikan, 400 Nakabaru, Kasemachi, Saga City, Saga, 849-8571, Japan
| | - Hiroki Koga
- Department of Surgery, Saga Medical Centre Koseikan, 400 Nakabaru, Kasemachi, Saga City, Saga, 849-8571, Japan
| | - Kenji Kitahara
- Department of Surgery, Saga Medical Centre Koseikan, 400 Nakabaru, Kasemachi, Saga City, Saga, 849-8571, Japan
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12
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Shi W, Liu C, Li M, Lin X, Guo F, Shi J. Fabrication of ternary Ag 3PO 4/Co 3(PO 4) 2/g-C 3N 4 heterostructure with following Type II and Z-Scheme dual pathways for enhanced visible-light photocatalytic activity. J Hazard Mater 2020; 389:121907. [PMID: 31879109 DOI: 10.1016/j.jhazmat.2019.121907] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 12/09/2019] [Accepted: 12/14/2019] [Indexed: 05/21/2023]
Abstract
A novel ternary Ag3PO4/Co3(PO4)2/g-C3N4 (APO/CPO/CN) heterostructure photocatalyst was successfully synthesized via a simple precipitation method for photocatalytic degradation of tetracycline (TC) under visible light irradiation. The experimental result reveals that the ternary APO/CPO/CN heterojunction showed enhanced photocatalytic performance compared with single semiconductor CPO and CN, binary composite CPO/CN. And APO/CPO/CN-15 % composite exhibits highest photocatalytic degradation efficiency, which can degrade TC around 88 % under visible light within 120 min. The enhanced photocatalytic performance is due to the synergy effects between CPO, CN and APO with the aid of following Z-scheme and Type II heterojunction dual pathways for effective separation of photogenerated charges. This work provides a new approach in the rational design of ternary heterojunction photocatalyst with multilevel electron transfer for environmental decontamination.
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Affiliation(s)
- Weilong Shi
- School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, PR China
| | - Chang Liu
- School of Material Science and Engineering, Beihua University, Jilin, 132013, PR China
| | - Mingyang Li
- School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, PR China
| | - Xue Lin
- School of Material Science and Engineering, Beihua University, Jilin, 132013, PR China.
| | - Feng Guo
- School of Energy and Power, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, PR China.
| | - Junyou Shi
- School of Material Science and Engineering, Beihua University, Jilin, 132013, PR China.
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13
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Gholizadeh E, Khaleghian A, Najafgholi Seyfi D, Karbalaei R. Showing NAFLD, as a key connector disease between Alzheimer's disease and diabetes via analysis of systems biology. Gastroenterol Hepatol Bed Bench 2020; 13:S89-S97. [PMID: 33585009 PMCID: PMC7881394] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 12/18/2020] [Indexed: 11/30/2022]
Abstract
AIM This study was designed to perform network analysis of Alzheimers҆ disease and diabetes and to find their correlation with each other and other diseases/pathways. BACKGROUND Alzheimer's disease (AD) as a neurodegenerative disease and diabetes as a metabolic disease are two major health problems in the recent years. The recent studies have reported their correlation and same spreading pathways of these two diseases together, but details of this relation are not well known yet at molecular level.. METHODS In thermal proteome profiling (TPP) technique, after treatment of the extracted proteins by heat and drug concentration, the resulting proteins were analyzed by mass spectrometry. Enrichment analysis of these proteins led to development of AD and diabetes. First, corresponding genes for each disease were extracted from DisGeNET database and then, protein-protein interaction network was constructed for each of them using the search tool for retrieval of interacting genes and proteins (STRING). After analyzing these networks, hub-bottleneck nodes of networks were evaluated. Also, common nodes between two networks were extracted and used for further analysis. RESULTS High correlation was found between AD and diabetes based on the existence of 40 common genes. Results of analyses revealed 14 genes in AD and 12 genes in diabetes as hub-bottleneck 7 of which were common including caspase 3 (CASP3), insulin-like growth factor 1 (IGF1), catalase (CAT), tumor necrosis factor (TNF), leptin (LEP), vascular endothelial growth factor A (VEGFA), and interleukin 6 ( IL-6). CONCLUSION Our results revealed a direct correlation between AD and diabetes and also a correlation between these two diseases and non-alcoholic fatty liver disease (NAFLD), suggesting that a small change in each of these three diseases can lead to development of any other diseases in the patients. Also, the enrichments exhibited the existence of common pathways between AD, diabetes, NAFLD, and male infertility.
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Affiliation(s)
- Elham Gholizadeh
- Department of Biochemistry, Semnan University of Medical Sciences, Semnan, Iran
| | - Ali Khaleghian
- Department of Biochemistry, Semnan University of Medical Sciences, Semnan, Iran
| | - Diba Najafgholi Seyfi
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Karbalaei
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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14
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Maker JH, Stroup CM, Huang V, James SF. Antibiotic Hypersensitivity Mechanisms. Pharmacy (Basel) 2019; 7:pharmacy7030122. [PMID: 31461919 PMCID: PMC6789858 DOI: 10.3390/pharmacy7030122] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/21/2019] [Accepted: 08/23/2019] [Indexed: 12/24/2022] Open
Abstract
Antibiotics are commonly prescribed to treat a variety of bacterial infections. As with all medications, hypersensitivity reactions may occur and clinicians should be able to recognize them accurately and recommend appropriate management. Antibiotic related hypersensitivity reactions may be one of four different types: Type I reactions, which are IgE mediated and may lead to anaphylaxis; Type II reactions that are antibody-mediated and may result in thrombocytopenia, neutropenia, or hemolytic anemia; Type III reaction that involves an immune complex formation such as vasculitis; and Type IV reactions that consist of four subtypes and typically include a rash of varying level of severity with or without systemic signs and symptoms. Herein, we describe the mechanisms of different types of allergic reactions to commonly prescribed antibiotics and offer recommendations for management. Further, we briefly refer to antibiotic reactions that mimic hypersensitivity reactions but are not immune mediated, such as pseudoallergies and serum sickness-like reactions.
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Affiliation(s)
- Jenana H Maker
- Department of Pharmacy Practice, Thomas J Long School of Pharmacy and Health Sciences, University of the Pacific, Stockton, CA 95211, USA.
| | - Cassandra M Stroup
- Department of Pharmacy Practice, School of Pharmacy, Rueckert-Hartman College of Health Professions, Regis University, Denver, CO 80221, USA
| | - Vanthida Huang
- Department of Pharmacy Practice, College of Pharmacy-Glendale, Midwestern University, Glendale, AZ 85308, USA
| | - Stephanie F James
- Department of Pharmaceutical Sciences, School of Pharmacy, Rueckert-Hartman College of Health Professions, Regis University, Denver, CO 80221, USA
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15
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Barzkar H, Nikbakht HA, Zeinolabedini M, Babazadeh T, Hassanipour S, Ghaffari-Fam S. Factors associated with therapeutic target achievement in the control of complications in consequence of diabetes: A hospital-based study in west of Iran. Diabetes Metab Syndr 2019; 13:2009-2013. [PMID: 31235128 DOI: 10.1016/j.dsx.2019.04.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [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: 03/09/2019] [Accepted: 04/22/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND AIM The goal of diabetes management is to enhance the performance of the surveillance system to perpetuate optimal blood sugar, blood pressure and cholesterol levels in the normal values. This paper aimed to identify factors associated with therapeutic target achievement in the control of complications in consequence of diabetes. METHODS In this cross-sectional study, a secondary analysis was performed on data obtained in the surveillance center of patients referred to in Makoo city, West Azerbaijan Province. The main interested variables included Fasting Blood Sugar (FBS), HbA1c, triglycerides, cholesterol, Low Density Lipoprotein (LDL), High Density Lipoprotein (HDL) diastolic and systolic blood pressure, duration of diabetes, family history of diabetes, early and late complications of diabetes, treatment received, history of smoking. RESULTS Average age of the patients with diabetes mellitus, insulin-dependent was 35.43 (SD = 17.25) and in patients of diabetes mellitus 53.37 (SD = 10.89), which was significantly different (p-value = 0.001). Frequency amount of fasting blood sugar in diabetes mellitus, insulin-dependent and diabetes mellitus, type II was 64.30% and 66.0%, respectively. Only 19.0% of patients with diabetes mellitus, insulin-dependent and 13.90% of diabetes mellitus, type II breached to the optimum level of blood glucose control. CONCLUSIONS This study found that a considerable proportion of subjects with diabetes mellitus, insulin-dependent and diabetes mellitus, type II did not achieve the goals of care guidelines of Iran on secondary prevention of complications related to diabetes, especially vascular complication.
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Affiliation(s)
- Hamid Barzkar
- Makoo Network of Health and Treatment, Urmia University of Medical Sciences, Urmia, Iran
| | - Hossein-Ali Nikbakht
- Social Determinants of Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Zeinolabedini
- National Public Health Management Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Towhid Babazadeh
- Department of Public Health, Sarab Faculty of Medical Sciences, Sarab, Iran
| | - Soheil Hassanipour
- GI Cancer Screening and Prevention Research Center, Guilan University of Medical Sciences, Rasht, Iran; Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran
| | - Saber Ghaffari-Fam
- Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; School of Nursing of Miandoab City, Urmia University of Medical Sciences, Urmia, Iran.
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16
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Zoughbie DE, Rushakoff JA, Watson KT, Bui N, Ireifij A, Farraj RS, Ding EL. A social-network behavioral health program on sustained long-term body weight and glycemic outcomes: 2-year follow-up of a 4-month Microclinic Health Program in Jordan. Prev Med Rep 2019; 13:160-165. [PMID: 30596007 PMCID: PMC6307340 DOI: 10.1016/j.pmedr.2018.12.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 11/28/2018] [Accepted: 12/11/2018] [Indexed: 12/11/2022] Open
Abstract
The burden of chronic diseases like diabetes and obesity is rapidly increasing in low and lower-middle income countries. This work assesses the long-term efficacy of a social-network based community health program for the management and prevention of type 2 diabetes. METHODS The 4-month Microclinic Social Network Behavioral Health Program in Jordan (J-MCP) was an intervention for obesity and diabetes prevention and management conducted in the Kingdom of Jordan. Weight and HbA1c were collected at baseline, end of the 4-month program, and then 12 and 24 months after baseline. Multi-level longitudinal repeated measures analysis estimated the long-term change in metabolic outcomes, and estimated the intra-class correlations (ICCs) for assessing the degree of clustering that different social network levels, of microclinic group vs. classroom group vs. clinic geographic location vs. cohort temporal wave, contributed to body weight and glycemic changes. RESULTS Of 315 participants, 83.2% completed the J-MCP program, with 90% followup at 12-months, and 70% at 24-months. At the end of the 4-month program, participants experienced a -2.8 kg (95% CI: -3.6 to -2.1) mean body weight decrease, a corresponding -1.1 kg/m2 (-1.3 to -0.8) BMI decrease, and a -0.5% reduction in HbA1c (-0.6 to -0.3). At year 1, we observed significant mean weight reduction of -1.8 kg (-2.7 to -0.9), a corresponding -0.7 kg/m2 (-1.0 to -0.4) reduction in BMI, as well as a -0.4% (-0.6 to -0.3) sustained reduction in HbA1c. At 2 years, participants sustained mean weight loss of -1.6 kg (-2.6 to -0.5), a -0.42 kg/m2 (-0.8 to -0.04) reduction in BMI, and an absolute -1.0% (-1.1 to -0.8) sustained reduction in HbA1c. Analyzing different social network levels, classroom group explained ~50% of total clustering of total weight loss and 22% of HbA1c trajectories during the short 4 month intervention. However, during 12 and 24 month followup, microclinic social group clustering explained ~75% to 92% of long-term weight loss trajectories, and 55% of long-term HbA1c trajectories. The pattern of 1-2 year sustainability of the weight and HbA1c decreases was largely attributed to the microclinic social network clusters. CONCLUSION Results demonstrate that the 4-month J-MCP behavioral intervention yielded important 2-year sustained weight and HbA1c reductions, which were mostly attributed to microclinic social groups.
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Affiliation(s)
- Daniel E. Zoughbie
- Microclinic International, 548 Market St., Ste 63776, San Francisco, CA 94104-5401, USA
| | - Joshua A. Rushakoff
- Microclinic International, 548 Market St., Ste 63776, San Francisco, CA 94104-5401, USA
- University of California San Francisco, School of Medicine, 1600 Divisadero Street, Suite C430, San Francisco, CA 94115, USA
| | - Kathleen T. Watson
- Microclinic International, 548 Market St., Ste 63776, San Francisco, CA 94104-5401, USA
| | - Nancy Bui
- Microclinic International, 548 Market St., Ste 63776, San Francisco, CA 94104-5401, USA
| | - Amal Ireifij
- Royal Health Awareness Society, Medical City Circle, Yousef Imaish St, 699 Amman, 11821 Amman, Jordan
| | - Rami S. Farraj
- Royal Health Awareness Society, Medical City Circle, Yousef Imaish St, 699 Amman, 11821 Amman, Jordan
| | - Eric L. Ding
- Microclinic International, 548 Market St., Ste 63776, San Francisco, CA 94104-5401, USA
- Harvard Chan School of Public Health, Department of Nutrition, 655 Huntington Ave, Boston, MA 02115, USA
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17
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Sarode DP, Demetriades AK. Surgical versus nonsurgical management for type II odontoid fractures in the elderly population: a systematic review. Spine J 2018; 18:1921-1933. [PMID: 29886165 DOI: 10.1016/j.spinee.2018.05.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [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: 11/30/2017] [Revised: 03/25/2018] [Accepted: 05/16/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUND Odontoid process fractures, of which type II constitute the majority, are an increasingly important cause of morbidity and mortality in the elderly population. The incidence of geriatric type II fractures is steadily increasing in line with the aging population. However, the decision between surgical and non-surgical intervention for type II fractures in the elderly remains controversial. PURPOSE The present study aims to synthesize the current published literature comparing outcomes following surgical and non-surgical interventions for type II odontoid fractures in the elderly population (≥65 years old). STUDY DESIGN/SETTING Systematic review and meta-analysis were performed. METHODS A systematic search of MEDLINE, MEDLINE In-Progress & Other Non-Indexed Citations, Embase, and Cochrane Central Register of Controlled Trials (CENTRAL) was performed to identify available evidence in English language. Studies with extractable data for all type II odontoid fractures in participants aged 65 years or older and which compared surgical and non-surgical intervention were included. Methodological quality was assessed using the Downs & Black checklist. Primary outcomes were mortality at short-term follow-up (≤3 months), mortality at long-term follow-up (predetermined study endpoint or mean follow-up length), and radiological union rate. Funding was provided by The University of Edinburgh for travel expenses to present this paper at the Society of British Neurological Sciences 2016 Conference ($170). RESULTS Twelve studies (n=1,098), all non-randomized, met eligibility criteria. Methodological quality was particularly poor in the confounding, bias, and power domains of assessment. Substantial methodological and statistical heterogeneity allowed only a narrative synthesis of the primary outcomes. Overall, data on mortality at short-term follow-up appeared to favor neither surgical nor non-surgical intervention. A small favorable outcome in surgically managed patients over non-surgically managed patients in terms of mortality at long-term follow-up was not proven conclusive because of considerable heterogeneity in study methodologies. Inadequate reporting of the time point of union assessment introduced the potential for significant intra- and interstudy heterogeneity and precluded assessment of union rates. CONCLUSIONS Evidence on this controversial topic is sparse, markedly heterogeneous, and of poor quality. Well-designed prospective trials adhering to guidance published by the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) initiative are required to inform clinical practice on this contentious but growing issue. Future randomized controlled trials should include an assessment of frailty and medical comorbidities with suitable patients subsequently randomized to surgical or non-surgical treatment.
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Affiliation(s)
- Deep P Sarode
- College of Medicine and Veterinary Medicine, The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, United Kingdom; Edinburgh Spinal Surgery Outcomes Study Group, Department of Clinical Neurosciences, Western General Hospital, Crewe Rd South, Edinburgh EH4 2XU, United Kingdom
| | - Andreas K Demetriades
- College of Medicine and Veterinary Medicine, The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, United Kingdom; Department of Clinical Neurosciences, Western General Hospital, Crewe Rd South, Edinburgh EH4 2XU, United Kingdom; Edinburgh Spinal Surgery Outcomes Study Group, Department of Clinical Neurosciences, Western General Hospital, Crewe Rd South, Edinburgh EH4 2XU, United Kingdom.
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18
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Tandel GM, Hipolito SG, Kondo H, Hirono I. Comparative sequence analysis of crustin isoform MjCRS7 and MjWFDC-like gene from kuruma shrimp Marsupenaeus japonicus shows variant of the WFDC domain. Infect Genet Evol 2018; 64:139-148. [PMID: 29885998 DOI: 10.1016/j.meegid.2018.06.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 05/25/2018] [Accepted: 06/06/2018] [Indexed: 11/30/2022]
Abstract
Crustins are well known cysteine-rich cationic antimicrobial peptides (AMPs) in crustaceans that have WFDC [WAP (whey acidic protein) four-disulfide core] domain at the carboxyl terminus. Proteins containing a WFDC domain have been discovered in many invertebrates and vertebrates. Although, there have been many WFDC domain containing nucleotide sequences found in NCBI GenBank database, their distinct sequential characteristics and their role in the innate immune system is not well understood. Here, we identified a new crustin isoform from Marsupenaeus japonicus by transcriptome analysis. The full-length cDNA of this isoform (MjCRS7) consists of 537 bp that include a 489 bp open reading frame (ORF) encoding 162 deduced amino acids (aa). The sequence contains the eight conserved cysteine residues characteristic of the WFDC domain. A phylogenetic analysis showed that MjCRS7 is a type II crustin. We also identified the full-length cDNA of a M. japonicus MjWFDC-like gene. MjWFDC-like has a 543 bp ORF encoding 180 aa. In an RT-PCR analysis, MjCRS7 and MjWFDC-like transcripts were mainly detected in gill tissue. An alignment of MjCRS7 and MjWFDC-like with previously reported M. japonicus crustin isoform 1-5 (MjCRS1-5) showed variation in the WFDC-like domain. Neither of the genes was responsive to Vibrio parahaemolyticus, Vibrio penaeicida or white spot syndrome virus (WSSV) either by immersion or injection challenge test. Although crustins are mainly antimicrobial peptides, the present results suggest that MjCRS7 may have other roles in M. japonicus.
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Affiliation(s)
- Gauravkumar M Tandel
- Laboratory of Genome Science, Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan
| | - Sheryll Grospe Hipolito
- Laboratory of Genome Science, Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan
| | - Hidehiro Kondo
- Laboratory of Genome Science, Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan
| | - Ikuo Hirono
- Laboratory of Genome Science, Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo 108-8477, Japan.
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Yuan S, Wei B, Tian Y, Yan J, Xu W, Wang L, Liu X. The comparison of clinical outcome of fresh type II odontoid fracture treatment between anterior cannulated screws fixation and posterior instrumentation of C1-2 without fusion: a retrospective cohort study. J Orthop Surg Res 2018; 13:3. [PMID: 29310670 PMCID: PMC5759802 DOI: 10.1186/s13018-017-0702-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Accepted: 12/26/2017] [Indexed: 11/23/2022] Open
Abstract
Background Recently, the excellent outcomes of temporary fixation of C1-2 without fusion in the treatment of odontoid fracture had been reported. It is still unclear if this technique could achieve the equivalent outcomes as the golden standard technique of anterior screw fixation. The objective of this study is to compare the clinical outcome of two treatments of fresh type II odontoid fracture: anterior cannulated screws fixation (ACSF) versus posterior instrumentation of C1-2 without fusion (PIWF). Methods This is a retrospective study. This series included 28 males and 8 females, and the mean age was 41.5 years (range, 22 to 70 years). Eleven patients were treated with ACSF, and 25 patients with PIWF. For PIWF, the implants were removed after fracture union was confirmed at 0.75~1.5 years later. All patients underwent preoperative and serial postoperative clinical examinations at approximately 3 months, 6 months, and annually thereafter. The neck disability index (NDI) was used to assess the neck discomfort caused by the operation. The range of rotary motion was evaluated at each visit. All fractures were reassessed postoperatively with serial X-films and CT scans of the cervical spine at each follow-up visit, to evaluate screw position, fracture alignment, and fusion status. Results All patients achieved immediate spinal stabilization after surgery, and none experienced neurologic deterioration. The follow-up periods ranged from 24 to 60 months. The average range of neck rotation was dramatically lost in PIWF after fixation (46° and 89° respectively in ACSF and PIWF), and recovered to 83° after the implant was removed. The NDI in PIWF was statistically higher than that in ACSF (5 and 13% respectively in ACSF and PIWF) after the first operation and decreased to 8% 1 year after the secondary operation. The fusion rates were 90.9 and 96% respectively in ACSF and PIWF. Both groups had a case of fracture non-union. Conclusions For fresh type II odontoid fractures, high rate of fracture union can be achieved by both ACSF and PIWF. For most fresh type II odontoid fractures, anterior screw fixation was the best option for its simplicity and preservation of normal atlanto-axial rotary function. Posterior instrumentation without fusion could preserve most of the atlanto-axial rotary function and lead to moderate neck discomfort and is also a good alternative if anterior screw fixation is contraindicated.
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Affiliation(s)
- Suomao Yuan
- Spine Center, Qilu Hospital of Shandong University, Wenhua West Road 107#, Jinan, 250012, People's Republic of China
| | - Bin Wei
- Reproductive Medicine Centre, Maternal and Child Health Care Hospital of Shandong Province, Key Laboratory of Birth Regulation and Control Technology of National Health and Family Planning Commission of China, Jinan, 250014, People's Republic of China
| | - Yonghao Tian
- Spine Center, Qilu Hospital of Shandong University, Wenhua West Road 107#, Jinan, 250012, People's Republic of China
| | - Jun Yan
- Spine Center, Qilu Hospital of Shandong University, Wenhua West Road 107#, Jinan, 250012, People's Republic of China
| | - Wanlong Xu
- Spine Center, Qilu Hospital of Shandong University, Wenhua West Road 107#, Jinan, 250012, People's Republic of China
| | - Lianlei Wang
- Spine Center, Qilu Hospital of Shandong University, Wenhua West Road 107#, Jinan, 250012, People's Republic of China
| | - Xinyu Liu
- Spine Center, Qilu Hospital of Shandong University, Wenhua West Road 107#, Jinan, 250012, People's Republic of China.
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Jin X, Li H, Huang S, Gu X, Shen H, Li D, Zhang X, Zhang Q, Li F, Li Q. Bright alloy type-II quantum dots and their application to light-emitting diodes. J Colloid Interface Sci 2017; 510:376-383. [PMID: 28963940 DOI: 10.1016/j.jcis.2017.09.080] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [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: 07/17/2017] [Revised: 09/21/2017] [Accepted: 09/21/2017] [Indexed: 11/29/2022]
Abstract
Type-II quantum dots (QDs) are emerging as a promising candidate for full color light sources owing to their advantages in achieving full color light by tuning the heterostructures. Despite the recent developments in type-II QDs, the choices of proper materials are limited for the composition of a high-quality QD and it still remains a big challenge to enhance the photoluminescence (PL) quantum yields (QYs) of type-II QDs for light-emitting diode (LED) applications. Here, we develop CdxZn1-xS/ZnSe/ZnS type-II QDs with a maximum quantum yield as high as 88.5%. Time-resolved PL results show that the ZnS shell suppresses non-radiative pathways by passivating the surface of CdxZn1-xS/ZnSe, thus leading to a high QY. Moreover, our results demonstrate that the outer ZnS also benefits the charge injection and radiative recombinations of the CdxZn1-xS/ZnSe. The LED based on green Cd0.2Zn0.8S/ZnSe/ZnS QDs achieves a current efficiency (CE) of 9.17cdA-1, an external quantum efficiency (EQE) of 8.78% and a low turn-on voltage of ∼2.3V.
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Affiliation(s)
- Xiao Jin
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China; School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Haiyang Li
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China
| | - Shujuan Huang
- School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, NSW 2052, Australia.
| | - Xiaobing Gu
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China
| | - Huaibin Shen
- Key Laboratory for Special Functional Materials of Ministry of Education, Henan University, Kaifeng 475004, PR China
| | - Danyang Li
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China
| | - Xugu Zhang
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China
| | - Qin Zhang
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China
| | - Feng Li
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China
| | - Qinghua Li
- Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University, Nanchang 330063, PR China.
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Burulday V, Akgül MH, Muluk NB, Ozveren MF, Kaya A. Evaluation of posterior clinoid process pneumatization by multidetector computed tomography. Neurosurg Rev 2016; 40:403-409. [PMID: 27766486 DOI: 10.1007/s10143-016-0794-8] [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: 08/17/2016] [Revised: 09/23/2016] [Accepted: 10/05/2016] [Indexed: 11/29/2022]
Abstract
In the present study, we investigated the types and ratio of posterior clinoid process (PCP) pneumatization in paranasal sinus multidetector computed tomography (MDCT). Paranasal MDCT images of 541 subjects (227 males, 314 females), between 15 and 65 years old, were included into the study. Pneumatization of anterior clinoid process and pneumatization types (I, II, or III) were evaluated in the males and females. PCP pneumatization was detected in 20.7 % of the males and 11.5 % of the females. Right, left, and bilateral PCP pneumatizations were detected in 7.9, 5.7, and 7.0 % of the males and 2.9, 3.2, and 4.5 % of the females, respectively. PCP pneumatization of the males is significantly higher than the females. The most detected type of pneumatization was type I (61.2 %) for all groups. In right, left, and bilateral pneumatizations separately, type I pneumatization was the most detected pneumatization type with the ratio of the 70.4, 65.2, and 50.0 %, respectively. In males, type I (61.7 %), and similarly in females, type I (60.6 %) pneumatization were detected more. Type II and type III pneumatizations were detected in decreasing order in both groups. In younger subjects, pneumatization of posterior clinoid process was found as higher, and in older subjects, PCP pneumatization was found as lower. Sclerosis process related to the aging may be responsible for the lower pneumatization ratios in older subjects. Structure of the surrounding regions of PCP is important for surgical procedures related to cavernous sinus, basilar apex aneurysms, and mass lesions. Preoperative radiological examinations are useful for operative planning. Any anomalies to PCP can cause unnecessary injury to the neurovascular complex structure around the cavernous sinus or postclinoidectomy CSF fistulas. Posterior clinoidectomies should be avoided in patients with type III PCP pneumatization to prevent CSF fistulas.
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Affiliation(s)
- Veysel Burulday
- Faculty of Medicine, Radiology Department, Kırıkkale University, Kırıkkale, Turkey
| | - Mehmet Hüseyin Akgül
- Faculty of Medicine, Neurosurgery Department, Kırıkkale University, Kırıkkale, Turkey
| | - Nuray Bayar Muluk
- Faculty of Medicine, ENT Department, Kırıkkale University, Kırıkkale, Turkey. .,, Birlik Mahallesi, Zirvekent 2. Etap Sitesi, C-3 blok, No: 6-3/43, 06610, Çankaya, Ankara, Turkey.
| | - Mehmet Faik Ozveren
- Faculty of Medicine, Neurosurgery Department, Kırıkkale University, Kırıkkale, Turkey
| | - Ahmet Kaya
- Faculty of Medicine, Radiology Department, Kırıkkale University, Kırıkkale, Turkey
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Notaro S, Reimer D, Fiegl H, Schmid G, Wiedemair A, Rössler J, Marth C, Zeimet AG. Evaluation of folate receptor 1 (FOLR1) mRNA expression, its specific promoter methylation and global DNA hypomethylation in type I and type II ovarian cancers. BMC Cancer 2016; 16:589. [PMID: 27485273 PMCID: PMC4971744 DOI: 10.1186/s12885-016-2637-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 07/27/2016] [Indexed: 11/30/2022] Open
Abstract
Background In this retrospective study we evaluated the respective correlations and clinical relevance of FOLR1 mRNA expression, FOLR1 promoter specific methylation and global DNA hypomethylation in type I and type II ovarian cancer. Methods Two hundred fifty four ovarian cancers, 13 borderline tumours and 60 samples of healthy fallopian epithelium and normal ovarian epithelium were retrospectively analysed for FOLR1 expression with RT-PCR. FOLR1 DNA promoter methylation and global DNA hypomethylation (measured by means of LINE1 DNA hypomethylation) were evaluated with MethyLight technique. Results No correlation between FOLR1 mRNA expression and its specific promoter DNA methylation was found neither in type I nor in type II cancers, however, high FOLR1 mRNA expression was found to be correlated with global DNA hypomethylation in type II cancers (p = 0.033). Strong FOLR1 mRNA expression was revealed for Grades 2-3, FIGO stages III-IV, residual disease > 0, and serous histotype. High FOLR1 expression was found to predict increased platinum sensitivity in type I cancers (odds ratio = 3.288; 1.256-10.75; p = 0.020). One-year survival analysis showed in type I cancers an independent better outcome for strong expression of FOLR1 in FIGO stage III and IV. For the entire follow up period no significant independent outcome for FOLR1 expression was revealed. In type I cancers LINE 1 DNA hypomethylation was found to exhibit a worse PFS and OS which were confirmed to be independent in multivariate COX regression model for both PFS (p = 0.026) and OS (p = 0.012). Conclusion No correlations were found between FOLR1 expression and its specific promoter methylation, however, high FOLR1 mRNA expression was associated with DNA hypomethylation in type II cancers. FOLR1 mRNA expression did not prove to predict clinical outcome in type II cancers, although strong FOLR1 expression generally denotes ovarian cancers with highly aggressive phenotype. In type I cancers, however, strong FOLR1 expression has been found to be a reliable indicator of improved platinum responsiveness reflecting a transient better one-year follow up outcome in highly FOLR1 expressing type I cancers. An independent prognostic role of global DNA hypomethylation was demonstrated in type I tumours. Electronic supplementary material The online version of this article (doi:10.1186/s12885-016-2637-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sara Notaro
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.,Department of Gynecology and Obstetrics, University of Brescia, P.zza Spedali Civili 1, 25123, Brescia, Italy
| | - Daniel Reimer
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Heidi Fiegl
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Gabriel Schmid
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Annamarie Wiedemair
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Julia Rössler
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Christian Marth
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Alain Gustave Zeimet
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.
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Abstract
PROBLEM Diabetes mellitus is an endocrine disease due to insufficiency production of insulin that is associated with altered quantity and quality in salivary secretion. Alteration in saliva can reflect the changes in patients' blood. The collection of saliva is easy therefore; the assessment of saliva is suitable for screening tests of large population. The study aimed at evaluate some elements in diabetic patients' saliva. METHODS A total of 25 diabetic patients and age-sex matched control group enrolled into the study. Absorbance spectrophotometer technique was used for assessment of some salivary elements. RESULTS The assessment of saliva showed that diabetics had unstimulated salivary flow rate of 0.18 ± 0.14 mL/min compared to 0.30 ± 0.12 mL/min for healthy individuals (P<0.01). Secretion of potassium and urea to saliva was significantly higher in diabetics compared to healthy group (P<0.05). In contrast calcium, sodium and phosphorus concentration was not significantly different in two groups. The level of salivary urea, potassium and phosphorus was significantly elevated in diabetic males compared to healthy males and the level of salivary calcium in diabetic females was significantly reduced compared to healthy females (P<0.05). There was not any significant difference in salivary sodium of healthy and diabetic persons according to gender (P>0.05). CONCLUSION The finding showed that there were some alterations in salivary elements in diabetic patients even in well-controlled subjects compared to healthy group. Moreover, some salivary elements concentrations were various in diabetic and healthy subjects regarding to the sex. Assessment of salivary composition could be beneficial in oral health evaluation.
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Affiliation(s)
- Masoumeh Shirzaiy
- Assistant Professor of Oral Medicine, Department of Oral Medicine, Zahedan Dental School, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Fatemeh Heidari
- Assistant Professor of Pathology, Department of Pathology, Zahedan Medical School, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Zohreh Dalirsani
- Assistant Professor of Oral Medicine, Oral and Maxillofacial Diseases Research Center, Mashhad Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Javid Dehghan
- Assistant Professor of Community Medicine, Department of Health, Zahedan Medical School, Zahedan University of Medical Sciences, Zahedan, Iran
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Lima K, Ribeiro DM, Campos PDM, Costa FF, Traina F, Saad STO, Sonati MDF, Machado-Neto JA. Differential profile of PIP4K2A expression in hematological malignancies. Blood Cells Mol Dis 2015; 55:228-35. [PMID: 26227852 DOI: 10.1016/j.bcmd.2015.06.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [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: 05/21/2015] [Accepted: 06/21/2015] [Indexed: 10/23/2022]
Abstract
PIP4K2A is a lipid kinase that phosphorylates PtdIns5P, generating PtdIns4,5P2. Recently, PIP4K2A was identified as a potential target in acute myeloid leukemia cells. The objective of the present study was to investigate the PIP4K2A expression in hematological malignancies and verify the effects of PIP4K2A silencing on proliferation and survival of leukemia cell lines. PIP4K2A was found to be a cytoplasmic and nuclear protein with reduced levels in leukemia cell lines compared to normal leukocytes. PIP4K2A mRNA levels were significantly reduced in bone marrow cells from acute lymphoid leukemia (ALL) patients compared with healthy donors and in myelodysplastic syndromes (MDS) with ≥5% compared with <5% bone marrow blasts. Low PIP4K2A expression (lowest tertile versus 2 higher tertiles) negatively impacted overall survival of MDS patients by univariate analysis. PIP4K2A silencing did not modulate cell proliferation, clonogenicity and apoptosis of HEL and Namalwa leukemia cells. In summary, we characterized the expression of PIP4K2A in a cohort of patients with hematological malignancies and we found that PIP4K2A mRNA expression is downregulated in RAEB-1/RAEB-2 MDS and ALL cells, and PIP4K2A silencing does not modulate cell survival in HEL and Namalwa leukemia cells.
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Affiliation(s)
- Keli Lima
- Department of Clinical Pathology, School of Medical Sciences, University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | - Daniela Maria Ribeiro
- Department of Clinical Pathology, School of Medical Sciences, University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | - Paula de Melo Campos
- Hematology and Hemotherapy Center, University of Campinas - UNICAMP, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - Fernando Ferreira Costa
- Hematology and Hemotherapy Center, University of Campinas - UNICAMP, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - Fabiola Traina
- Hematology and Hemotherapy Center, University of Campinas - UNICAMP, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - Sara Teresinha Olalla Saad
- Hematology and Hemotherapy Center, University of Campinas - UNICAMP, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - Maria de Fátima Sonati
- Department of Clinical Pathology, School of Medical Sciences, University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | - João Agostinho Machado-Neto
- Hematology and Hemotherapy Center, University of Campinas - UNICAMP, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil.
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Pinard MA, Lotlikar SR, Boone CD, Vullo D, Supuran CT, Patrauchan MA, McKenna R. Structure and inhibition studies of a type II beta-carbonic anhydrase psCA3 from Pseudomonas aeruginosa. Bioorg Med Chem 2015; 23:4831-4838. [PMID: 26068018 DOI: 10.1016/j.bmc.2015.05.029] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [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: 03/31/2015] [Revised: 05/10/2015] [Accepted: 05/19/2015] [Indexed: 10/23/2022]
Abstract
Carbonic anhydrases (CAs) are metallo-enzymes that catalyze the reversible hydration of carbon dioxide into bicarbonate and a proton. The β-class CAs (β-CAs) are expressed in prokaryotes, fungi, plants, and more recently have been isolated in some animals. The β-CA class is divided into two subclasses, termed type I and II, defined by pH catalytic activity profile and active site structural configuration. Type I β-CAs display catalytic activity over a broad pH range (6.5-9.0) with the active site zinc tetrahedrally coordinated by three amino acids and a hydroxide/water. In contrast, type II β-CAs are catalytically active only at a pH 8 and higher where they adopt a functional active site configuration like that of type I. However, below pH 8 they are conformationally self-inactivated by the addition of a fourth amino acid coordinating the zinc and thereby displacing the zinc bound solvent. We have determined the structure of psCA3, a type II β-CA, isolated from Pseudomonas aeruginosa (P. aeruginosa) PAO1 at pH 8.3, in its open active state to a resolution of 1.9 Å. The active site zinc is coordinated by Cys42, His98, Cys101 and a water/hydroxide molecule. P. aeruginosa is a multi-drug resistant bacterium and displays intrinsic resistance to most of the currently used antibiotics; therefore, there is a need for new antibacterial targets. Kinetic data confirm that psCA3 belongs to the type II subclass and that sulfamide, sulfamic acid, phenylboronic acid and phenylarsonic acid are micromolar inhibitors. In vivo studies identified that among six tested inhibitors representing sulfonamides, inorganic anions, and small molecules, acetazolamide has the most significant dose-dependent inhibitory effect on P. aeruginosa growth.
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Affiliation(s)
- Melissa A Pinard
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Shalaka R Lotlikar
- Department of Microbiology and Molecular Genetics, Oklahoma State University, Stillwater, OK 74078, USA
| | - Christopher D Boone
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Daniela Vullo
- Università degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Rm. 188, Via della Lastruccia 3, I-50019 Sesto Fiorentino (Firenze), Italy; Università degli Studi di Firenze, Polo Scientifico, Dipartimento Neurofaba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Firenze), Italy
| | - Claudiu T Supuran
- Università degli Studi di Firenze, Laboratorio di Chimica Bioinorganica, Rm. 188, Via della Lastruccia 3, I-50019 Sesto Fiorentino (Firenze), Italy; Università degli Studi di Firenze, Polo Scientifico, Dipartimento Neurofaba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Via Ugo Schiff 6, 50019 Sesto Fiorentino (Firenze), Italy
| | - Marianna A Patrauchan
- Department of Microbiology and Molecular Genetics, Oklahoma State University, Stillwater, OK 74078, USA
| | - Robert McKenna
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA.
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Abstract
The potentially oncogenic Epstein-Barr virus (EBV) is carried by almost all humans in a well equilibrated coexistence. The phenotype of the cells that carry EBV genomes is determined by virally-encoded and cellular proteins. B lymphocyte is the main target of the virus and latent infection of this cell induces proliferation. Nine virus-encoded genes participate in the “growth program” that is expressed in a narrow differentiation window of the B cell. Such cells have the potential to develop malignant proliferations. However, several control mechanism eliminate this danger and the general chronic virus carrier state is most often asymptomatic. One mechanism exploits the normal regulation in the immune system, the T cell mediated modulation of the B cell differentiation state. Another is based on cognate recognition and elimination of the infected cells. The expression of EBV encoded genes in B lymphocytes can be also “restricted,” they do not express all components of the viral growth program. Here, we discuss a rare viral expression in B cells that has not been connected with malignant transformation yet.
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Affiliation(s)
- Eva Klein
- Department of Microbiology; Tumor and Cell Biology; Karolinska Institutet; Stockholm, Sweden
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Wu WY, Li M, Lian J, Wu X, Yeow EKL, Jhon MH, Chan Y. Efficient color-tunable multiexcitonic dual wavelength emission from Type II semiconductor tetrapods. ACS Nano 2014; 8:9349-9357. [PMID: 25153534 DOI: 10.1021/nn503343c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We synthesized colloidal InP/ZnS seeded CdS tetrapods by harnessing the structural stability of the InP/ZnS seed nanocrystals at the high reaction temperatures needed to grow the CdS arms. Because of an unexpected Type II band alignment at the interface of the InP/ZnS core and CdS arms that enhanced the occurrence of radiative excitonic recombination in CdS, these tetrapods were found to be capable of exhibiting highly efficient multiexcitonic dual wavelength emission of equal intensity at spectrally distinct wavelengths of ∼485 and ∼675 nm. Additionally, the Type II InP/ZnS seeded CdS tetrapods displayed a wider range of pump-dependent emission color-tunability (from red to white to blue) within the context of a CIE 1931 chromaticity diagram and possessed higher photostability due to suppressed multiexcitonic Auger recombination when compared to conventional Type I CdSe seeded CdS tetrapods. By employing time-resolved spectroscopy measurements, we were able to attribute the wide emission color-tunability to the large valence band offset between InP and CdS. This work highlights the importance of band alignment in the synthetic design of semiconductor nanoheterostructures, which can exhibit color-tunable multiwavelength emission with high efficiency and photostability.
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Affiliation(s)
- Wen-Ya Wu
- Department of Chemistry, National University of Singapore , 3 Science Drive 3, Singapore 117543, Singapore
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Abstract
ATP-binding cassette transporters are multi-subunit membrane pumps that transport substrates across membranes. While significant in the transport process, transporter architecture exhibits a range of diversity that we are only beginning to recognize. This divergence may provide insight into the mechanisms of substrate transport and homeostasis. Until recently, ABC importers have been classified into two types, but with the emergence of energy-coupling factor (ECF) transporters there are potentially three types of ABC importers. In this review, we summarize an expansive body of research on the three types of importers with an emphasis on the basics that underlie ABC importers, such as structure, subunit composition and mechanism.
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Affiliation(s)
- Austin J Rice
- Department of Molecular Biosciences, Northwestern University , Evanston, IL , USA
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Abstract
Context: Treatment of Hangman's fractures is still controversial. Hangman's fractures Type II and IIA are usually treated with surgical procedures. Aim: This study aims at describing the Neurospinal Academy (NSA) technique as an attempt to achieve an approximation of the fracture line to the axis body, which may be used for Type II and IIA patients with severe displacement and angulation. Settings and Design: NSA technique both pars or pedicle screws are placed bicortically to ensure that anterior surface of C2 vertebral body will be crossed 1-2 mm. A rod is prepared in suitable length and curve to connect the two screws. For placing the rod, sufficient amount of bone is resected from the C2 spinous process. C2 vertebral body is pulled back by means of the screws that crossed the anterior surface of C2 vertebral body. Materials and Methods: Hangman II and IIA patient are treated with NSA technique. Result: Angulated and tilted C2 vertebral body was pulled back and approximated to posterior elements. Conclusions: In Hangman's fractures Type II and IIA with severe vertebral body and pedicle displacement, NSA technique is an effective and reliable treatment alternative for the approximation of posterior elements to the C2 vertebral body, which is tilted, angulated, and dislocated.
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Affiliation(s)
- Sedat Dalbayrak
- Department of Neurosurgery, Neurospinal Academy, Istanbul, Turkey
| | - Onur Yaman
- Clinic of Neurosurgery, Tepecik Education and Training Hospital, Izmir, Turkey
| | - Mesut Yılmaz
- Department of Neurosurgery, Neurospinal Academy, Istanbul, Turkey
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Miao S, Yang T, Hickey SG, Lesnyak V, Rellinghaus B, Xu J, Eychmüller A. Emissive ZnO@Zn3 P2 nanocrystals: synthesis, optical, and optoelectrochemical properties. Small 2013; 9:3415-3422. [PMID: 23606656 DOI: 10.1002/smll.201203023] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Indexed: 06/02/2023]
Abstract
ZnO@Zn3 P2 quantum dots (QDs) are synthesized, with emission from yellow to red. Photoelectrochemical investigations reveal that the current and voltage of the QD-derivatized electrodes show a response upon illumination. A photocurrent of ca. 8 nA cm(-2) for a monolayer of ZnO@Zn3 P2 QDs deposited on indium tin oxide (ITO) electrode is recorded.
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Affiliation(s)
- Shiding Miao
- Hefei University of Technology, Tunxi Road. 193, Hefei, 230009, Anhui Prov., China.
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Ambrosi E, Rossi-Espagnet MC, Kotzalidis GD, Comparelli A, Del Casale A, Carducci F, Romano A, Manfredi G, Tatarelli R, Bozzao A, Girardi P. Structural brain alterations in bipolar disorder II: a combined voxel-based morphometry (VBM) and diffusion tensor imaging (DTI) study. J Affect Disord 2013; 150:610-5. [PMID: 23489395 DOI: 10.1016/j.jad.2013.02.023] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [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: 12/30/2012] [Revised: 02/13/2013] [Accepted: 02/13/2013] [Indexed: 10/27/2022]
Abstract
BACKGROUND Brain structural changes have been described in bipolar disorder (BP), but usually studies focused on both I and II subtypes indiscriminately and investigated changes in either brain volume or white matter (WM) integrity. We used combined voxel-based morphometry (VBM) and diffusion tensor imaging (DTI) analysis to track changes in the grey matter (GM) and WM in the brains of patients affected by BPII, as compared to healthy controls. METHODS Using VBM and DTI, we scanned 20 DSM-IV-TR BPII patients in their euthymic phase and 21 healthy, age- and gender-matched volunteers with no psychiatric history. RESULTS VBM showed decreases in GM of BPII patients, compared to controls, which were diffuse in nature and most prominent in the right middle frontal gyrus and in the right superior temporal gurus. DTI showed significant and widespread FA reduction in BPII patients in all major WM tracts, including cortico-cortical association tracts. LIMITATIONS The small sample size limits the generalisability of our findings. CONCLUSIONS Reduced GM volumes and WM integrity changes in BPII patients are not prominent like those previously reported in bipolar disorder type-I and involve cortical structures and their related association tracts.
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Affiliation(s)
- Elisa Ambrosi
- Neurosciences, Mental Health, and Sensory Organs (NESMOS) Department, Sapienza University, School of Medicine and Psychology, Unit of Psychiatry, Sant'Andrea Hospital, Via di Grottarossa 1035-1039, Rome 00189, Italy.
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Woodhouse NJY, Elshafie OT, Al-Mamari AS, Mohammed NHS, Al-Riyami F, Raeburn S. Clinically-Defined Maturity Onset Diabetes of the Young in Omanis: Absence of the common Caucasian gene mutations. Sultan Qaboos Univ Med J 2010; 10:80-83. [PMID: 21509085 PMCID: PMC3074660] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2009] [Revised: 12/09/2009] [Accepted: 01/06/2009] [Indexed: 05/30/2023] Open
Abstract
OBJECTIVES We are seeing a progressive increase in the number of young patients with clinically defined maturity onset diabetes of the young (MODY) having a family history suggestive of a monogenic cause of their disease and no evidence of autoimmune type 1 diabetes mellitus (T1DM). The aim of this study was to determine whether or not mutations in the 3 commonest forms of MODY, hepatic nuclear factor 4α (HNF4α), HNF1α and glucokinase (GK), are a cause of diabetes in young Omanis. METHODS The study was performed at Sultan Qaboos University Hospital (SQUH), Oman. Twenty young diabetics with a family history suggestive of monogenic inheritance were identified in less than 18 months; the median age of onset of diabetes was 25 years and the median body mass index (BMI) 29 at presentation. Screening for the presence of autoimmune antibodies against pancreatic beta cells islet cell antibody (ICA) and glutamic acid decarboxylase (GAD) was negative. Fourteen of them consented to genetic screening and their blood was sent to Prof. A. Hattersley's Unit at the Peninsular Medical School, Exeter, UK. There, their DNA was screened for known mutations by sequencing exon 1-10 of the GCK and exon 2-10 of the HNF1α and HNF4α genes, the three commonest forms of MODY in Europe. RESULTS Surprisingly, none of the patients had any of the tested MODY mutations. CONCLUSION In this small sample of patients with clinically defined MODY, mutations of the three most commonly affected genes occurring in Caucasians were not observed. Either these patients have novel MODY mutations or have inherited a high proportion of the type 2 diabetes mellitus (T2DM) susceptibility genes compounded by excessive insulin resistance due to obesity.
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Affiliation(s)
- Nicholas JY Woodhouse
- Department of Medicine, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat, Oman
| | - Omayma T Elshafie
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
| | - Ali S Al-Mamari
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
| | - Nagi HS Mohammed
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
| | - Fatma Al-Riyami
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
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Iraj B, Taheri N, Amini M, Amini P, Aminorroaya A. Should the first degree relatives of type 2 diabetic patients with isolated impaired fasting glucose be considered for a diabetes primary prevention program? J Res Med Sci 2010; 15:264-9. [PMID: 21526094 PMCID: PMC3082819] [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] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/18/2010] [Accepted: 05/12/2010] [Indexed: 11/01/2022]
Abstract
BACKGROUND The aim of this study is to investigate the need for diabetes primary prevention program in isolated impaired fasting glucose (i-IFG) of the first degree relatives of type 2 diabetics. METHODS In a cross sectional study, 793 individuals with prediabetes [543 with i-IFG and 250 with isolated impaired glucose tolerance (i-IGT)] who were the first degree relatives of type 2 diabetic patients, were enrolled. Isolated IFG was considered as fasting plasma glucose between 100-125 mg/dl and 2 hour plasma glucose < 140 mg/dl and isolated IGT as FPG < 100 mg/dl and 2 hour plasma glucose between 140-199 mg/dl during an overnight fasting 75 g oral glucose tolerance test. Mean of the age, weight, waist circumference, body mass index, systolic and diastolic blood pressure, plasma glucose, HbA1C, and lipid profile were compared between two groups (i-IFG and i-IGT). The prevalence of cardiometabolic risk factors (BMI ≥ 25 kg/m2, hypertension, cholesterol ≥ 200 mg/dl, LDL-C ≥ 100 mg/dl, HDL-C ≤ 40 mg/dl, and triglyceride ≥ 150 mg/dl) adjusted by age, sex and BMI were compared. RESULTS The prevalence of cardiometabolic risk factors is higher in i-IFG group than i-IGT. The mean level of LDL-C is significantly higher in i-IFG than i-IGT group. CONCLUSIONS First degree relatives of T2DM with isolated impaired fasting glucose should probably be included in the primary preventive program for diabetes. However, longitudinal cohort study is required to show high progression of i-IFG to T2DM.
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Affiliation(s)
- Bijan Iraj
- Assistant Professor of Endocrinology, Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nader Taheri
- Assistant Professor of Endocrinology, Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Massoud Amini
- Professor of Internal Medicine and Endocrinology, Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Payvand Amini
- Researcher, Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ashraf Aminorroaya
- Assistant Professor of Endocrinology, Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran,Professor of Internal Medicine and Endocrinology, Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran,* Corresponding Author E-mail:
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