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[Primary nasopharyngeal carcinoma with Sjögren's syndrome and positive cerebrospinal fluid Epstein-Barr virus: a case report and literature review]. ZHONGHUA NEI KE ZA ZHI 2024; 63:490-494. [PMID: 38715487 DOI: 10.3760/cma.j.cn112138-20231110-00311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
The study presents an analysis of the diagnostic and treatment protocol for a patient with a first episode of nasopharyngeal carcinoma who also has Sjogren's syndrome and Epstein-Barr Virus (EBV) positive cerebrospinal fluid, as detected through metagenomic next-generation sequencing (mNGS). It reviews existing literature to examine the connections between EBV and various conditions including Sjogren's syndrome, encephalitis or meningitis, and nasopharyngeal carcinoma, emphasizing the importance of EBV positive cerebrospinal fluid. The study focuses on a case from the Eighth Medical Center of the General Hospital of the People's Liberation Army, where a patient was admitted with headaches as the primary symptom on March 3, 2021. This patient had a history of Sjogren's syndrome and was later diagnosed with nasopharyngeal carcinoma. The research involved reviewing both domestic and international databases for cases related to cerebrospinal fluid EBV positive encephalitis or meningitis, and nasopharyngeal carcinoma. It aimed to aggregate data on demographics, initial symptoms, treatment methods, and patient outcomes. Findings suggest that positive cerebrospinal fluid EBV is linked to autoimmune diseases, viral encephalitis or meningitis, and nasopharyngeal carcinoma, albeit infrequently in the context of Sjogren's syndrome. Notably, EBV positive cerebrospinal fluid is commonly associated with recurrent nasopharyngeal carcinoma rather than initial episodes. The study concludes that for patients with an immune condition, exhibiting symptoms like headaches or cranial nerve issues, or in cases where nasopharyngeal carcinoma is suspected, early testing through cerebrospinal fluid mNGS or EBV DNA is recommended. This approach facilitates risk assessment, prognosis determination, and the creation of individualized treatment plans.
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[Analysis of the clinical characteristics of V4 segment steal blood in the vertebral artery]. ZHONGHUA NEI KE ZA ZHI 2024; 63:279-283. [PMID: 38448191 DOI: 10.3760/cma.j.cn112138-20231024-00243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Objective: To explore the clinical characteristics of unilateral vertebral artery V4 segment occlusive lesions (severe stenosis or occlusion), where the contralateral vertebral artery can be compensated through blood flow and reverse supply to the posterior inferior cerebellarartery (PICA). Methods: This study is a retrospective case series of 66 patients with V4 segment occlusive lesions of unilateral vertebral artery diagnosed and treated from June 2020 to October 2022. Patient data were retrospectively collected, and their hemodynamic characteristics and imaging data were analyzed. Results: Of the 66 cases, 11 patients (16.7%) with V4 segment occlusive disease showed the blood flow of the vertebral artery on the opposite side of the lesion on the digital subtraction angiography (DSA), which can be reverse stolen to the posterior inferior cerebellar artery of the diseased side through the confluence point of the vertebrobasilar artery through the distal end of the ipsilateral vertebral artery V4. Owing to the lack of literature on this pathway and based on the characteristics of previous definitions of subclavian artery steal and carotid artery steal, we referred to this pathway as the vertebral artery V4 segment steal. In 6 patients (9.1%), transcranial Doppler ultrasound (TCD) and transcranial color Doppler ultrasound (TCCD) showed that the blood flow signal was not detected at the proximal end of the V4 segment of the affected side, rather the blood flow direction was reversed at the distal end of the V4 segment, resulting in compensatory acceleration of the blood flow velocity of the V4 segment of the contralateral vertebral artery. Conclusion: "V4 segment steal of vertebral artery" is a very rare route of vertebral artery steal. When V4 segment of the vertebral artery is occluded, clinicians should pay attention to observe the blood supply of PICA and whether there is such a steal route, to better evaluate the blood flow compensation and prognosis of patients.
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[Correlation of cognitive function with intracranial lesions and the degree of depression and anxiety in patients with neuromyelitis optica spectrum disorders]. ZHONGHUA NEI KE ZA ZHI 2023; 62:993-999. [PMID: 37528038 DOI: 10.3760/cma.j.cn112138-20221013-00757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Objective: To investigate the correlation of cognitive dysfunction with intracranial lesions and symptoms of depression and anxiety in patients with neuromyelitis optica spectrum disorders (NMOSD). Methods: Thirty-one NMOSD patients (7/24 males/females) were enrolled in the Department of Neurology of the Sixth Medical Center of the PLA General Hospital from August 2019 to August 2022. The average age was 42±13 years, and the average education level was 12 (9, 12) years. There were 30 healthy controls, 11/19 males/females, with an average age of 47±9 years and an average education of 12 (9, 15) years. The general clinical data and imaging data were collected, and the subjects were assessed on their cognition, anxiety and depression using the assessment scale approved at home and abroad. A cross-sectional study was conducted on them. The t-test or Wilcoxon test was used for inter-group comparison, and Pearson test or Spearman test was used to explore the correlation between the cognition of NMOSD patients and their intracranial lesions, depression and anxiety. Results: Compared with the healthy control group, NMOSD patients had significantly lower scores on MoCA (Z=-3.10,P=0.002), CRAVLT-N7 (Z=-5.12, P<0.001), CRAVLT-N8 (t=-4.40, P<0.001), ROCF-R (t=-3.10,P<0.01), ROCF-C (Z=-2.72,P<0.01), PASAT-3 (Z=-2.71,P<0.01), PASAT-2 (Z=-3.14,P<0.01), and CWT-A (Z=-3.10,P<0.01)scales. Frontal lobe lesions were negatively correlated with PASAT-2 (r=-0.448, P=0.012) scores, temporal lobe lesions were negatively correlated with CRAVLT-N9 (r=-0.564, P=0.001), and parietal lobe lesions were negatively correlated with MoCA (r=-0.374, P=0.038), PASAT-3 (r=-0.426, P=0.017), and PASAT-2 (r=-0.459, P=0.009) scores; The scores of MoCA (r=-0.392, P=0.029), CRAVLT-N6 (r=-0.396, P=0.028), CRAVLT-N7 (r=-0.415, P=0.020), CRAVLT-N8 (r=-0.406, P=0.023), PASAT-3 (r=-0.537, P=0.002) and PASAT-2 (r=-0.495, P=0.005) scales were negatively correlated with the scores of HAMD assessment, and the scores of PASAT-3 (r=-0.499, P=0.004) and PASAT-2 (r=-0.452, P=0.011) were negatively correlated with the scores of HAMA. Conclusions: The cognitive function of patients with NMOSD is significantly reduced, involving multiple cognitive domains. The cognitive function is affected by the distribution of intracranial lesions and the degree of depression and anxiety.
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[Analysis of the clinical characteristics and misdiagnosis of area postrema syndrome manifesting as intractable nausea, vomiting, and hiccups in neuromyelitis optica spectrum disorders]. ZHONGHUA NEI KE ZA ZHI 2023; 62:705-710. [PMID: 37263955 DOI: 10.3760/cma.j.cn112138-20220621-00468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Objective: To investigate the misdiagnosis of area postrema syndrome (APS) manifesting as intractable nausea, vomiting and hiccups in neuromyelitis optic spectrum disease (NMOSD) and reduce the risk of misdiagnosis. Methods: We retrospectively analyzed data from NMOSD patients attending the Department of Neurology at the First Medical Center of PLA General Hospital between January 2019 and July 2021. SPSS25.0 was then used to analyze the manifestations, misdiagnosis, and mistreatment of APS. Results: A total of 207 patients with NMOSD were included, including 21 males and 186 females. The mean age of onset was 39±15 years (range: 5-72 years). The proportion of patients who were positive for serum aquaporin 4 antibody was 82.6% (171/207). In total, 35.7% (74/207) of the NMOSD patients experienced APS during the disease course; of these patients, 70.3% (52/74) had APS as the first symptom and 29.7% (22/74) had APS as a secondary symptom. The misdiagnosis rates for these conditions were 90.4% (47/52) and 50.0% (11/22), respectively. As the first symptom, 19.2% (10/52) of patients during APS presented only with intractable nausea, vomiting and hiccups; 80.8% (42/52) of patients experienced other neurological symptoms. The Departments of Gastroenterology and General Medicine were the departments that most frequently made the first diagnosis of APS, accounting for 54.1% and 17.6% of patients, respectively. The most common misdiagnoses related to diseases of the digestive system and the median duration of misdiagnosis was 37 days. Conclusions: APS is a common symptom of NMOSD and is associated with a high rate of misdiagnosis. Other concomitant symptoms often occur with APS. Gaining an increased awareness of this disease/syndrome, obtaining a detailed patient history, and performing physical examinations are essential if we are to reduce and avoid misdiagnosis.
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[Research progress of cerebrospinal fluid and blood biomarkers in multiple system atrophy]. ZHONGHUA NEI KE ZA ZHI 2022; 61:1269-1273. [PMID: 36323572 DOI: 10.3760/cma.j.cn112138-20211116-00818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
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Correlation Between Serum Uric Acid Levels and Coronary Plaque Characteristics on Optical Coherence Tomography. Int Heart J 2022; 63:806-813. [PMID: 36104242 DOI: 10.1536/ihj.21-826] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Elevated serum uric acid (sUA) is associated with increasing risk of coronary heart disease (CHD). However, existing research is limited by potential confounders. Herein, our study aims to probe the association between sUA levels and the morphological characteristics of coronary plaque by a propensity score matching (PSM) analysis.All 420 patients with CHD who had undergone optical coherence tomography of culprit lesions were included. Eligible patients were assigned into 2 groups according to sUA level: high-sUA group (sUA ≥ 6.0 mg/dL) and low-sUA group (sUA < 6.0 mg/dL). PSM was applied to control the balance of baseline characteristics.After PSM, a total of 112 patients were included in our study (56 in each group). The high-sUA group showed a higher prevalence of TCFA (35.7% versus 16.1%, P = 0.03) and macrophage infiltration (33.9% versus 14.3%, P = 0.026) compared with the low-sUA group. Plaques in the high-sUA group had a wider maximum lipid arc (166.51° (115.77°, 224.14°) versus 142.29° (93.95°, 169.06°), P = 0.048), longer calcification length (6.77 (3.90, 20.55) mm versus 4.20 (1.95, 7.45) mm, P = 0.040), and thinner minimum fibrous cap thickness (43.81 (28.17, 62.26) μm versus 92.57 (46.25, 135.37) μm, P = 0.003). Correlation analysis indicated that the sUA value was inversely associated with the minimum fibrous cap thickness (r = -0.332, P = 0.015) and positively associated with the maximum lipid arc (r = 0.399, P = 0.003), average lipid arc (r = 0.347, P = 0.011), and calcification length (r = 0.386, P = 0.006).The relationship between high-sUA levels and typical vulnerable features of plaques persisted after balancing the traditional risk factors.
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[Analysis of characteristics of collateral circulation pathways in dizziness patients caused by severe bilateral vertebral artery stenosis/occlusion]. ZHONGHUA YI XUE ZA ZHI 2021; 101:3244-3247. [PMID: 34689538 DOI: 10.3760/cma.j.cn112137-20210325-00743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The clinical data of 47 patients [41 males, 6 females, aged (62±7) years] treated at the Department of Neurology of the Sixth Medical Center of PLA General Hospital from October 2018 to October 2020 who were diagnosed with severe bilateral vertebral artery stenosis/occlusion through Digital Subtraction Angiography (DSA) were retrospectively collected, and the characteristics of the compensatory pathways of collateral circulation were determined. Results showed that there were 8 intracranial and extracranial compensatory pathways, with posterior communicating artery as the major type (21 cases) for intracranial ones and deep carotid artery as the major type (16 cases) for extracranial ones. As the establishment of the compensatory pathway is closely related to the lesion site, DSA assessment for patients with severe bilateral vertebral artery stenosis/occlusion is helpful for clinicians to make judgement on prognosis of patients and choose individualized treatment plans.
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IMAGING SURVEILLANCE FOLLOWING ACUTE TYPE A AORTIC DISSECTION: A POPULATION-BASED COHORT STUDY. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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P68.04 Molecular Mechanism of MK2 Promoting Lung Adenocarcinoma Progression by Phosphorylating Transcription Regulator CRABP2. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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[Collateral circulation compensation mode in patients with severe bilateral internal carotid artery stenosis/occlusion]. ZHONGHUA NEI KE ZA ZHI 2021; 60:739-743. [PMID: 34304450 DOI: 10.3760/cma.j.cn112138-20210129-00083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the correlation between collateral flow compensation mode and interventional treatment decision in patients with severe bilateral internal carotid artery stenosis/occlusion. Methods: According to the location of internal carotid artery lesions, patients with severe stenosis/occlusion of bilateral internal carotid artery were selected at the Second Affiliated Hospital, Qiqihar Medical University and the Sixth Medical Center of PLA General Hospital from May 2017 to June 2020. Results: A total of 42 patients were finally enrolled and divided into 4 types, including 34 males and 8 females with median age 61±8(48-82)years. The collateral circulation pathways manifested as following modes: anterior communicating artery collateral, posterior communicating artery collateral, ophthalmic artery collateral, posterior cerebral middle cerebral artery pial anastomosis collateral, posterior choroidal artery anterior choroidal artery collateral, external carotid internal carotid artery C4 segment collateral, pericallosal artery anastomosis collateral, dural and pial collateral and neovascularization. Type Ⅰ severe stenosis/occlusion of C1 segment was found in 20 cases (47.6%). There were 5 cases (11.9%) of type Ⅱ severe stenosis/occlusion from C2 to C6 prior to ophthalmic artery branch. Type Ⅲ severe stenosis/occlusion occurred in 2 cases (4.8%) after the split of ophthalmic artery. Type Ⅳ was mixed type in 15 cases (35.7%). Conclusions: The compensatory pathway of collateral circulation is closely related to the lesion location. To explore the compensatory pattern of collateral circulation is helpful for clinicians to accurately analyze the lesion characteristics and guide individualized interventional therapy.
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[Collateral circulation pathway in patients with basilar artery occlusion/severe stenosis: a single-center case series]. ZHONGHUA NEI KE ZA ZHI 2021; 60:734-738. [PMID: 34304449 DOI: 10.3760/cma.j.cn112138-20210217-00131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the collateral circulation compensation model in patients with favorable prognosis of basilar artery occlusion/severe stenosis treated with drugs or endovascular therapy. Methods: Clinical data of patients with basilar artery occlusion/severe stenosis and good clinical outcome were retrospectively collected in the Department of Neurology, Sixth Medical Center of PLA General Hospital from January 2019 to January 2020. They were divided into intensive drug therapy group and combined endovascular therapy group. The number and ways of collateral compensation pathway described by digital substraction angiography (DSA) were analyzed, and the characteristics of the collateral compensation model were summarized. SPSS22.0 software was used for statistical analysis, and the constituent ratio (%) was used for statistical description of the enumeration data. Results: A total of 32 eligible patients were included, including 27 males and 5 females, with an average age 45-76 (59±10) years. The compensation model included posterior communicating artery-posterior cerebral artery (13 cases, 40.6%), posterior communicating artery-posterior cerebral artery-basilar artery (10 cases, 31.2%), cerebellar artery-anastomotic branches of superior cerebellar artery (8 cases, 25.0%), anterior choroid artery-anastomotic branches of posterior choroid artery (2 cases, 6.2%), collateral circulation not established (11 cases, 34.4%).In drug treatment group, collateral compensation was found in the majority (14/15), with mainly posterior communicating artery (10/14).Most patients in combined treatment group did not develop collateral compensation (10/17), anastomotic branches of PICA-SCA were the main routes (6/7). Conclusion: In patients with basilar artery occlusion/severe stenosis, favorable clinical outcome can be achieved in both groups of patients treated with intensive drug therapy or endovascular therapy.
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CircRNA_100395 protects breast carcinoma deterioration by targeting MAPK6. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2021; 24:12216-12223. [PMID: 33336740 DOI: 10.26355/eurrev_202012_24012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This study aims to uncover the differential expression of circRNA_100395 in breast carcinoma specimens, and its regulatory effect on cancer cell phenotypes. The role of circRNA_100395 in affecting breast carcinoma progression and the molecular mechanism are explored as well. PATIENTS AND METHODS CircRNA_100395 expressions in breast carcinoma and paracancerous tissues were detected. The influence of circRNA_100395 level on clinical indicators of breast carcinoma patients was analyzed. In vitro regulations of circRNA_100395 on phenotypes of breast carcinoma cells were examined by CCK-8, colony formation, and transwell assay. The interaction between circRNA_100395 and MAPK6 was confirmed by Dual-Luciferase reporter assay and rescue assays. RESULTS CircRNA_100395 was downregulated in breast carcinoma tissues and cell lines. Its level was negatively correlated to tumor staging and tumor size of breast carcinoma. Overexpression of circRNA_100395 in SKBR3 and MDA-MB-231 cells weakened proliferative and migratory abilities. MAPK6 was the target gene of circRNA_100395. Overexpression of MAPK6 reversed the anti-cancer effect of circRNA_100395 on breast carcinoma. CONCLUSIONS CircRNA_100395 serves as an anti-cancer gene in breast carcinoma progression by targeting MAPK6, and its level is negatively correlated to tumor staging and tumor size of breast carcinoma. CircRNA_100395 can be utilized as a potential biomarker and therapeutic target of breast carcinoma.
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New compound heterozygous SPINK5 mutations in a Chinese infant with Netherton syndrome. J Eur Acad Dermatol Venereol 2021; 35:e782-e784. [PMID: 34138484 DOI: 10.1111/jdv.17457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Expression of farnesyl pyrophosphate synthase is increased in diabetic cardiomyopathy. Cell Biol Int 2021; 45:1393-1403. [PMID: 33595160 DOI: 10.1002/cbin.11573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/25/2021] [Accepted: 02/14/2021] [Indexed: 12/19/2022]
Abstract
Farnesyl pyrophosphate synthase (FPPS)-catalyzed isoprenoid intermediates are involved in diabetic cardiomyopathy. This study investigated the specific role of FPPS in the development of diabetic cardiomyopathy. We demonstrated that FPPS expression was elevated in both in vivo and in vitro models of diabetic cardiomyopathy. FPPS inhibition decreased the expression of proteins related to cardiac fibrosis and cardiomyocytic hypertrophy, including collagen I, collagen III, connective tissue growth factor, natriuretic factor, brain natriuretic peptide, and β-myosin heavy chain. Furthermore, FPPS inhibition and knockdown prevented phosphorylated c-Jun N-terminal kinase 1/2 (JNK1/2) activation in vitro. In addition, a JNK1/2 inhibitor downregulated high-glucose-induced responses to diabetic cardiomyopathy. Finally, immunofluorescence revealed that cardiomyocytic size was elevated by high glucose and was decreased by zoledronate, small-interfering farnesyl pyrophosphate synthase (siFPPS), and a JNK1/2 inhibitor. Taken together, our findings indicate that FPPS and JNK1/2 may be part of a signaling pathway that plays an important role in diabetic cardiomyopathy.
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[Amentoflavone inhibits M1 polarization of THP-1-derived foam cells by activating PPAR- α/ γ]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:344-351. [PMID: 33849824 DOI: 10.12122/j.issn.1673-4254.2021.03.05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the mechanism by which amentoflavone inhibits polarization of THP-1-derived foam cells to M1 phenotype. OBJECTIVE Human monocyte cell line THP-1 was stimulated to differentiate into M1-type macrophages using phorbol 12-myrislate13-acetate (PMA) combined with lipopolysaccharide (LPS) and recombinant human interferon-γ (rhlFN-γ). M1 polarization of THP-1-derived macrophages was confirmed by observing morphological changes of the cells and detecting the mRNA expression of L-6 and TNF-α with RT-qPCR. THP-1-derived foam cells treated with 5 or 10 μmol/L amentoflavone for 24 h were examined for cytokines using ELISA. The mRNA and protein expressions of IL-6, IL-10, TNF-α, TGF-β, PPAR-α/γ, Arg-1 and Fizz1 in the cells were detected using RT-qPCR and Western blotting. OBJECTIVE Amentoflavone prevented induced M1 polarization of THP-1 cells. Amentoflavone down-regulated the mRNA expressions of IL-6 and TNF-α, up-regulated mRNA expressions of IL-8 and TGF-β mRNA (P < 0.05), and increased the protein expressions of PPAR-α/γ, Arg-1 and Fizz1. Molecular docking simulation showed that amentoflavone could bind to the surface of PPARα/γ. OBJECTIVE Amentoflavone can inhibit the differentiation of macrophages into M1 type by activating PPAR-α/γ and restoring the expressions of the gene Arg-1 and Fizz1.
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Micro RNA Expression of Heart Failure Patients and Responses to Left Ventricular Assistant Device Support. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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P36.10 Prognostic Value and Transcriptional Expression Profile of GINS Family Members in Lung Adenocarcinoma. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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WS09.5 Clinical applications of using drug monitoring for standard caftor regimens. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)00967-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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[Lung cancer with intracranial hypotension: a case report]. ZHONGHUA ZHONG LIU ZA ZHI [CHINESE JOURNAL OF ONCOLOGY] 2020; 42:971-972. [PMID: 33256311 DOI: 10.3760/cma.j.cn112152-20190406-00217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
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[Economic evaluation of plasma exchange combined with dual plasma adsorption therapy for early, mid and late stage liver failure]. ZHONGHUA GAN ZANG BING ZA ZHI = ZHONGHUA GANZANGBING ZAZHI = CHINESE JOURNAL OF HEPATOLOGY 2020; 28:434-440. [PMID: 32536061 DOI: 10.3760/cma.j.cn501113-20190122-00025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the economic characteristics of the four artificial liver models [plasma exchange, half-dose plasma exchange combined with double plasma adsorption (DPMAS), pre-equal amount of plasma exchange followed by DPMAS, and pre-DPMAS followed by equal amount of plasma exchange] in the treatment of liver failure. Methods: A decision tree model was established with the Treeage pro 2011 software. The cost-effectiveness ratio and incremental cost-effectiveness value of four different treatment modalities were calculated and compared in patients with liver failure at early, mid and late stages, respectively. The sensitivity analysis of the model was performed using data from the preliminary research results of these groups. Results: The cost-effectiveness ratio and incremental cost-effectiveness value of patients treated with artificial liver therapy with half-dose plasma exchange combined with DPAMS plan in early stage liver failure were 89 547.79 and 34 665.34, which was lower than per capita GDP, so the increased cost had cost-effective advantages. In the middle and late stage of liver failure, the cost-effectiveness ratio and incremental cost-effectiveness value of pre-DPMAS followed by equal plasma exchange plan was 122 865.5 and 284 334.97, and 70 744.55 and 75 299.48, respectively, which was less than three times of per capita GDP. The increased cost was acceptable and had economic advantages. The sensitivity analysis results showed that the basic analysis results were reliable. Conclusion: Half-dose plasma exchange combined with DPAMS plan is the most cost-effective treatment for early liver failure, while pre-DPMAS followed by equal plasma exchange plan is the most economical treatment for mid and late stage liver failure.
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PREDICTORS OF LONG-TERM CARDIOVASCULAR VERSUS NON-CARDIOVASCULAR MORTALITY AND REPEAT INTERVENTION IN TRANSCATHETER AORTIC VALVE REPLACEMENT. Can J Cardiol 2020. [DOI: 10.1016/j.cjca.2020.07.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Effect of Shexiang Tongxin dropping pill on stable coronary artery disease patients with normal fractional flow reserve and coronary microvascular disease: A study protocol. Medicine (Baltimore) 2020; 99:e22126. [PMID: 32957332 PMCID: PMC7505333 DOI: 10.1097/md.0000000000022126] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION Coronary microvascular disease (CMVD) can affect the structure, function, and metabolism of the heart, and has an important impact on the occurrence, development and prognosis of coronary artery disease (CAD). Shexiang Tongxin dropping pill (STDP) can dilate blood vessels, alleviate inflammation, reduce endothelial damage, and improve coronary microvascular function in mice with myocardial infarction. This study aims to assess the impact of STDP on stable coronary artery disease (SCAD) patients with normal FFR and CMVD. METHODS AND ANALYSIS This is a single-center, prospective randomized trial that will enroll 64 SCAD patients, CAD with normal FFR and CMVD. Patients will be randomly divided into study group and control group in a 1:1 fashion. On the basis of conventional drug treatment, the former will receive STDP while the latter will not. The follow-up period of the subjects is 12 months, and clinical follow-up will be conducted before discharge, 30 days, 3 months, 6 months, and 12 months after procedure to complete the detection of relevant indicators. The primary endpoint is the change of index of microcirculatory resistance (ΔIMR) at 12-month follow-up. DISCUSSION The present study will be the first randomized control study to evaluate the efficacy and safety of STDP on SCAD patients, CAD with normal FFR and CMVD, which will provide a broader idea and more experimental basis for improving the treatment of CMVD. TRIAL REGISTRATION This is a protocol for the randomized clinical trial which has been registered in the Chinese clinical Trial Registry with an identifier: ChiCTR2000032429.
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SYNTHESIS, CRYSTAL STRUCTURE, ANTI-LUNG
CANCER ACTIVITY OF 2-(4-FLUOROPHENYL)-5-
(5-IODO-2-METHYLBENZYL)THIOPHENE. J STRUCT CHEM+ 2020. [DOI: 10.1134/s0022476620070148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Multiple-centre clinical evaluation of an ultrafast single-tube assay for SARS-CoV-2 RNA. Clin Microbiol Infect 2020; 26:1076-1081. [PMID: 32422410 PMCID: PMC7227500 DOI: 10.1016/j.cmi.2020.05.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To evaluate the performance of an ultrafast single-tube nucleic acid isothermal amplification detection assay for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA using clinical samples from multiple centres. METHODS A reverse transcription recombinase-aided amplification (RT-RAA) assay for SARS-CoV-2 was conducted within 15 minutes at 39°C with portable instruments after addition of extracted RNA. The clinical performance of RT-RAA assay was evaluated using 947 clinical samples from five institutions in four regions of China; approved commercial fluorescence quantitative real-time PCR (qRT-PCR) kits were used for parallel detection. The sensitivity and specificity of RT-RAA were compared and analysed. RESULTS The RT-RAA test results of 926 samples were consistent with those of qRT-PCR (330 were positive, 596 negative); 21 results were inconsistent. The sensitivity and specificity of RT-RAA was 97.63% (330/338, 95% confidence interval (CI) 95.21 to 98.90) and 97.87% (596/609, 95% CI 96.28 to 98.81) respectively. The positive and negative predictive values were 96.21% (330/343, 95% CI 93.45 to 97.88) and 98.68% (596/604, 95% CI 97.30 to 99.38) respectively. The total coincidence rate was 97.78% (926/947, 95% CI 96.80 to 98.70), and the kappa was 0.952 (p < 0.05). CONCLUSIONS With comparable sensitivity and specificity to the commercial qRT-PCR kits, RT-RAA assay for SARS-CoV-2 exhibited the distinctive advantages of simplicity and rapidity in terms of operation and turnaround time.
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Bone marrow mesenchymal stem cell-secreted exosomes carrying microRNA-125b protect against myocardial ischemia reperfusion injury via targeting SIRT7. Mol Cell Biochem 2019; 465:103-114. [PMID: 31858380 PMCID: PMC6955239 DOI: 10.1007/s11010-019-03671-z] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 11/30/2019] [Indexed: 12/15/2022]
Abstract
MicroRNA-125b (miR-125b) reduces myocardial infarct area and restrains myocardial ischemia reperfusion injury (I/R). In this study, we aimed to investigate the effect of bone marrow mesenchymal stem cell (BMSC)-derived exosomes carrying miR-125b on I/R rats. The myocardial I/R model in rats was constructed by ligation of the left anterior descending coronary artery (LAD). Rats were randomly divided into I/R and Sham group. Lv-cel-miR-67 (control) or Lv-miR-125b was transfected into BMSCs. Exosomes were extracted from transfected BMSCs, and separately named BMSC-Exo-67, BMSC-Exo-125b, and BMSC-Exo. MTT assay and flow cytometry were used to detect the viability and apoptosis of I/R myocardium cells, respectively. The expression of cell apoptosis proteins and the levels of inflammatory factors were examined by Western blot and ELISA assay, respectively. The target relationship between miR-125b and SIRT7 was predicted by using StarBase3.0, and was confirmed by using dual-luciferase reporter gene assay. qRT-PCR, immunohistochemistry staining, and Western blot were used to evaluate the expression of SIRT7 in myocardium tissues in I/R rats. BMSC-derived exosomes were successfully isolated and identified by TEM and positive expression of CD9 and CD63. The expression of miR-125b was down-regulated in I/R myocardium tissues and cells. BMSC-Exo-125b significantly up-regulated miR-125b in I/R myocardium cells. The intervention of BMSC-Exo-125b significantly increased the cell viability, decreased the apoptotic ratio, down-regulated Bax and caspase-3, up-regulated Bcl-2, and decreased the levels of IL-1β, IL-6, and TNF-α in I/R myocardium cells. SIRT7 was a target of miR-125b, and BMSC-Exo-125b significantly down-regulated SIRT7 in myocardium cells. In addition, the injection of BMSC-Exo-125b alleviated the pathological damages and down-regulated SIRT7 in myocardium tissues of I/R rats. BMSC-derived exosomes carrying miR-125b protected against myocardial I/R by targeting SIRT7.
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Analysis on expression level and diagnostic value of miR-19 and miR-21 in peripheral blood of patients with undifferentiated lung cancer. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2019; 22:8367-8373. [PMID: 30556877 DOI: 10.26355/eurrev_201801_16534] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This paper aims to investigate the expression level and diagnostic value of miR-19 miR-21 in peripheral blood of patients with undifferentiated lung cancer. PATIENTS AND METHODS 58 patients with undifferentiated lung cancer hospitalized in the oncology department of The First Affiliated Hospital of Nanchang University from September 2014 to May 2017 were selected as the experimental group, and 42 healthy volunteers in the same period as the control group at the same time. General clinical data in the two groups were collected. The expression levels of miR-19 and miR-21 in peripheral blood of the two groups were measured by Real-Time fluorescence quantitative Polymerase Chain Reaction. The expression levels of peripheral blood miR-19 and miR-21 in large and small cell lung cancer of undifferentiated lung cancer were analyzed and compared. ROC curve was used to analyze the diagnostic value of miR-19 and miR-21 in undifferentiated lung cancer. RESULTS The expression levels of miR-19 and miR-21 in peripheral blood of the experimental group were significantly higher than those of the control group (p<0.05). The AUC of miR-19 in the diagnosis of undifferentiated lung cancer was 0.854; the sensitivity was 98.30%; the specificity was 54.29% and the cut off was 3.54. The AUC of miR-21 in the diagnosis of undifferentiated lung cancer was 0.923; the sensitivity was 86.20%; the specificity was 76.19% and the cut off was 3.89. The AUC of combined detection in the diagnosis of undifferentiated lung cancer was 0.952; the sensitivity was 86.60%; the specificity was 97.62% and the cut off was 0.68. The specificity of combined detection was higher than that of miR-19 and miR-21 (p<0.05). CONCLUSIONS MiR-19 and miR-21 are highly expressed in peripheral blood of patients with undifferentiated lung cancer; miR-19 and miR-21 are expected to be used as diagnostic markers for undifferentiated lung cancer.
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MA14.05 A Randomized Phase III Trial of Fruquintinib Versus Placebo in Patients with Advanced Non-Small Cell Lung Cancer (FALUCA). J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.613] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Inhibition of microRNA-34a mediates protection of thymosin beta 4 in endothelial progenitor cells against advanced glycation endproducts by targeting B-cell lymphoma 2. Can J Physiol Pharmacol 2019; 97:945-951. [PMID: 31397599 DOI: 10.1139/cjpp-2018-0743] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The aim of our work was to test whether thymosin beta 4 protected endothelial progenitor cells against apoptosis induced by advanced glycation endproducts and investigate the underlying mechanism. Treatment with thymosin beta 4 or transfection with microRNA-34a inhibitor enhanced cell viability, reduced apoptosis, abated oxidative stress, and attenuated mitochondrial dysfunction in endothelial progenitor cells exposed to advanced glycation endproducts. Incubation with advanced glycation endproducts led to increased levels of microRNA-34a, which was attenuated by treatment with thymosin beta 4. Transfection with microRNA-34a reversed the beneficial effect of thymosin beta 4 against injuries induced by advanced glycation endproducts. The microRNA-34a could directly bind to the 3'UTRs of the mRNA of B-cell lymphoma 2, and thymosin beta 4 treatment upregulated B-cell lymphoma 2 expression in endothelial progenitor cells exposed to advanced glycation endproducts. More importantly, knockdown of B-cell lymphoma 2 abolished the protection of thymosin beta 4 and microRNA-34a inhibitor against advanced glycation endproducts. In conclusion, inhibition of microRNA-34a mediated protection of thymosin beta 4 in endothelial progenitor cells against advanced glycation endproducts by targeting B-cell lymphoma 2, which was helpful for understanding the therapeutic potential of thymosin beta 4 for diabetic patients.
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Theaflavin 3,3'-digallate reverses the downregulation of connexin 43 and autophagy induced by high glucose via AMPK activation in cardiomyocytes. J Cell Physiol 2019; 234:17999-18016. [PMID: 30847932 DOI: 10.1002/jcp.28432] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 02/03/2019] [Accepted: 02/14/2019] [Indexed: 12/16/2022]
Abstract
Theaflavin 3,3'-digallate (TF3), is reported to protect cardiomyocytes from lipotoxicity and reperfusion injury. However, the role of TF3 in the protection of high-glucose injury is still poorly understood. This study investigated the protective effects of TF3 on gap junctions and autophagy in neonatal cardiomyocytes (NRCMs). NRCMs preincubated with high glucose were coincubated with TF3. The expression of connexins and autophagy-related proteins was determined. The functioning of gap-junctional intercellular communication (GJIC) was measured by a dye transfer assay. Adenosine monophosphate-activated protein kinase (AMPK) activity was determined by western blot. Moreover, AMPK was activated with aminoimidazole-4-carboxamide-1-β-d-ribofuranoside (AICAR) or inhibited by AMPKα small interfering RNA (siRNA) to explore the role of AMPK in the modulation of connexin 43 (Cx43) and autophagy. Meanwhile, autophagy was activated or blocked to observe the change in Cx43 expression. It was found that the protein expression of Cx43 and autophagy-related proteins was increased in a TF3 dose- and time-dependent manner under high glucose. TF3 also recovered the reduced GJIC function induced by high glucose concentrations. TF3 activated phosphorylated AMPK in a time-dependent way. AMPKα siRNA abrogated the protection of TF3, while AICAR showed similar results compared to the TF3 treatment. Meanwhile, autophagy activation caused decreased Cx43, while cotreatment with baf A1 enhanced Cx43 expression further compared with the TF3 treatment alone under high glucose. We concluded that TF3 partly reversed the inhibition of Cx43 expression and autophagy induced by high glucose in NRCMs, partly by restoring AMPK activity. Inhibition of autophagy might be protective by preserving Cx43 expression in NRCMs stimulated by high glucose.
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Synthetic and living micropropellers for convection-enhanced nanoparticle transport. SCIENCE ADVANCES 2019; 5:eaav4803. [PMID: 31032412 PMCID: PMC6486269 DOI: 10.1126/sciadv.aav4803] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 03/08/2019] [Indexed: 05/09/2023]
Abstract
Nanoparticles (NPs) have emerged as an advantageous drug delivery platform for the treatment of various ailments including cancer and cardiovascular and inflammatory diseases. However, their efficacy in shuttling materials to diseased tissue is hampered by a number of physiological barriers. One hurdle is transport out of the blood vessels, compounded by difficulties in subsequent penetration into the target tissue. Here, we report the use of two distinct micropropellers powered by rotating magnetic fields to increase diffusion-limited NP transport by enhancing local fluid convection. In the first approach, we used a single synthetic magnetic microrobot called an artificial bacterial flagellum (ABF), and in the second approach, we used swarms of magnetotactic bacteria (MTB) to create a directable "living ferrofluid" by exploiting ferrohydrodynamics. Both approaches enhance NP transport in a microfluidic model of blood extravasation and tissue penetration that consists of microchannels bordered by a collagen matrix.
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Comparison of 2 Different Drug-Coated Balloons in In-Stent Restenosis. JACC Cardiovasc Interv 2018; 11:2368-2377. [DOI: 10.1016/j.jcin.2018.09.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 09/09/2018] [Accepted: 09/10/2018] [Indexed: 10/27/2022]
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OUTCOMES FOLLOWING TRANSCATHETER AORTIC VALVE IMPLANTATION (TAVI) IN ONTARIO (2013-2016). Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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PROFILING HOSPITAL PERFORMANCE BASED ON MORTALITY AFTER TRANS-CATHETER AORTIC VALVE REPLACEMENT IN ONTARIO, CANADA. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Thymosin β4 promotes glucose-impaired endothelial progenitor cell function via Akt/endothelial nitric oxide synthesis signaling pathway. Exp Ther Med 2018; 16:3439-3444. [PMID: 30233693 PMCID: PMC6143828 DOI: 10.3892/etm.2018.6593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Accepted: 08/25/2016] [Indexed: 11/22/2022] Open
Abstract
Circulating endothelial progenitor cells (EPCs) are a subtype of hematopoietic stem cells, which can differentiate into endothelial cells and restore endothelial function. However, high glucose decreases the number and impairs the function of EPCs. A previous study showed that thymosin β4 (Tβ4), a pleiotropic peptide beneficial for multiple functions of various types of cells, could promote EPC migration and dose-dependently upregulate the phosphorylation of Akt and endothelial nitric oxide synthesis signaling (eNOS). In present study, the hypothesis that Tβ4 can improve glucose-suppressed EPC functions via the Akt/eNOS signaling pathway and restores the production of nitric oxide (NO) is investigated. EPCs were isolated from the peripheral blood of healthy volunteers and formed a cobblestone shape after 3–4 weeks of cultivation. Then, EPCs were treated with high concentrations of glucose (25 mM) for 4 days and administrated with Tβ4 for further study. Transwell migration and tube formation assays were performed to access the migratory and angiogenic ability of EPCs. In addition, the quantity of Akt, eNOS and the concentration of nitric oxide (NO) was investigated. Functional studies showed that high concentrations of glucose significantly suppressed EPC function, while this adverse effect was reversed by the administration of Tβ4. In addition, Akt small interfering (si)RNA and eNOS siRNA were demonstrated to reduce the protective effect of Tβ4 against glucose-impaired EPC functions. These findings suggest that Tβ4 improves glucose-impaired EPC functions via the Akt/eNOS signaling pathway.
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Risk Factors for the Development of Cytomegalovirus Resistance in Solid Organ Transplantation: A Retrospective Case-Control Study. Transplant Proc 2018; 50:3763-3768. [PMID: 30577267 DOI: 10.1016/j.transproceed.2018.08.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/16/2018] [Accepted: 08/03/2018] [Indexed: 02/09/2023]
Abstract
BACKGROUND Cytomegalovirus (CMV) resistance is an emerging problem in solid organ transplant recipients. Risk factors are not well defined. METHODS Recipients with CMV viremia of solid organ transplants who underwent CMV resistance testing between January 2010 and March 2016 were divided in 2 groups: proven CMV resistance and refractory CMV infection. A third group was added to compare patients with viremia during the study period with patients with no resistance proven or suspected. We aimed to identify risk factors associated with the occurrence of CMV genotypic resistance. RESULTS Forty-nine patients underwent resistance testing. Eleven (22.45%) developed genotypic mutations. Group 1 vs groups 2 and 3 had higher prednisone (P = .01) and tacrolimus levels (P = .03); did not respond to antivirals (P < .0001); and had a higher rate of fungal infections (P = .03). CMV resistance was less common in liver and kidney vs heart, small bowel, and mutivisceral recipients (P = .0007). There was no difference in duration of antiviral prophylaxis, viremia while on antiviral prophylaxis, rate of end-organ disease, graft loss, and overall survival. Persistent clinical disease and viremia despite antiviral therapy was the most important risk factor for development of CMV resistance. CONCLUSION Persistent clinical disease despite antiviral therapy is an important risk factor and may in part be due to a high degree of immunosuppression. Graft loss and survival were not impacted by CMV resistance.
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Adenovirus-A Deadly Disease in the Solid Organ Transplant Population: Risk Factors and Outcomes. Transplant Proc 2018; 50:3769-3774. [PMID: 30577268 DOI: 10.1016/j.transproceed.2018.07.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/04/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND The importance of adenoviruses (AdV) in the immunocompromised population has been more recognized in recent decades. We aimed to assess the risk factors and outcomes associated with AdV in solid organ transplant recipients. METHODS This was a retrospective cohort study of solid organ transplant recipients who tested positive for AdV between January 1, 2004, and March 12, 2014. The subjects were divided in 2 groups: AdV asymptomatic infection and AdV disease. The characteristics and outcomes of the groups were compared using Wilcoxon rank-sum and Fisher exact tests; logistic regression was performed to evaluate risk factors. RESULTS A total of 125 patients were included with a mean (SD) age of 9.79 years (16.54); 49.6% were male, and 20.8% had AdV disease. No significant risk factors were found for AdV disease by univariate analyses. Comparing patients with disease and with asymptomatic infection, rejections during the first year after testing positive for AdV were 7 (26.92%) vs 17 (17.17%); mortality at 1 year post-transplantation was 26.92% vs 6.06% (P = .006), respectively, and at 1 year after testing positive for AdV was 38.46% vs 11.11% (P = .002), respectively. CONCLUSION No independent risk factor for AdV disease was identified, but patients with AdV disease had a significantly higher mortality compared with those with asymptomatic infection.
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Perioperative Prophylaxis for Total Artificial Heart Transplantation. Transplant Proc 2018; 49:2169-2175. [PMID: 29149978 DOI: 10.1016/j.transproceed.2017.09.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 09/23/2017] [Indexed: 12/01/2022]
Abstract
BACKGROUND Practice variation regarding perioperative antimicrobial prophylaxis in total artificial heart transplantations (TAH-t) across institutions is unknown. The aim of our survey was to assess the current practices for prevention of infection in TAH-t recipients among different programs. METHODS An electronic survey was sent to programs that implant Syncardia TAH (Syncardia Systems, Tuscon, Ariz, USA). Proportions were analyzed for categorical variables; means and SDs were analyzed for continuous variables. RESULTS The majority of centers (80.8%) had a formal surgical infection prophylaxis protocol. For non-penicillin-allergic patients, five (20.1%) institutions reported using a 4-drug regimen, seven (29.2%) used a 3-drug regimen, five (20.1%) used a 2-drug regimen, and seven (29.2%) used a cephalosporin alone. Similar data was seen in the penicillin-allergic patients. Infections were reported to occur postoperatively in 52.2% centers. During the first month after TAH-t, bacteremia represented 27.3%, driveline infections 27.2%, pulmonary infections 9%, and mediastinal infections 18.2%. The most common organisms seen within the first month were Candida spp., Escherichia coli, and Pseudomonas aeruginosa (21.4%). In 65% of centers, the mean rate of death post-TAH-t due to infection was 14.5% (SD, 22.3%). The mean rate of patients surviving until orthotopic heart transplantation was 58.6% (SD, 27.7%). CONCLUSIONS Preventing infections post-TAH-t is key to decreasing morbidity and mortality. All institutions administered perioperative prophylaxis for TAH-t with significant variation among the centers. The majority of the centers have a formal perioperative prophylactic protocol.
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Risk factors for Clostridium difficile infection in intestinal transplant recipients during the first year post-transplant. Transpl Infect Dis 2018; 20:e12858. [PMID: 29427406 DOI: 10.1111/tid.12858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 08/14/2017] [Accepted: 10/07/2017] [Indexed: 12/18/2022]
Abstract
BACKGROUND Clostridium difficile is the most common cause of healthcare-associated infectious diarrhea. Risk factors for C. difficile infections (CDI) in intestinal transplant recipients (ITR) are not well-defined. The aim of our study was to assess specific risk factors for CDI in ITR. METHODS This is a 1:3 case-control study that included 29 ITR who developed CDI (cases) and 87 ITR without CDI (controls) observed during the first year post-transplantation. Wilcoxon rank sum and Fisher's exact tests were used to compare variables. Univariate and multivariable conditional logistic regressions analysis were performed to identify risk factors for CDI. RESULTS The multivariable conditional logistic regression analysis showed that proton pump inhibitors (PPI) administration (odds ratio [OR] = 0.06; 95% confidence interval [CI]: 0.007-0.52; P = .01) was the only factor associated with lower rates of CDI. Outcomes for cases vs controls: rejection episodes 24.14% vs 20.69% (P = .7), graft loss 0% vs 2.3% (P = .99), and survival rate 1 year post-transplantation 79.3% (59.6-90.1%) vs 87.2% (78.1-92.7%) (P = .38). CONCLUSIONS Proton pump inhibitor administration might be protective for CDI in ITR. Risks factors for CDI might be different in ITR compared to other populations; anatomical differences and medications administered in the post-transplantation period may affect intestinal microbiota.
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Increasing the autotrophic growth of
Chlorella
USTB
‐01 via the control of bacterial contamination by
Bdellovibrio
USTB
‐06. J Appl Microbiol 2018; 124:1131-1138. [DOI: 10.1111/jam.13682] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 09/04/2017] [Accepted: 11/07/2017] [Indexed: 11/29/2022]
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Apelin Ameliorates High Glucose-Induced Downregulation of Connexin 43 via AMPK-Dependent Pathway in Neonatal Rat Cardiomyocytes. Aging Dis 2018; 9:66-76. [PMID: 29392082 PMCID: PMC5772859 DOI: 10.14336/ad.2017.0426] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 04/26/2017] [Indexed: 11/10/2022] Open
Abstract
Diabetes Mellitus is a common disorder, with increasing risk of cardiac arrhythmias. Studies have shown that altered connexin expression and gap junction remodeling under hyperglycemia contribute to the high prevalence of cardiac arrhythmias and even sudden death. Connexin 43 (Cx43), a major protein that assembles to form cardiac gap junctions, has been found to be downregulated under high glucose conditions, along with inhibition of gap junctional intercellular communication (GJIC). While, apelin, a beneficial adipokine, increases Cx43 protein expression in mouse and human embryonic stem cells during cardiac differentiation. However, it remains unknown whether apelin influences GJIC capacity in cardiomyocytes. Here, using Western blotting and dye transfer assays, we found that Cx43 protein expression was reduced and GJIC was impaired after treatment with high glucose, which, however, could be abrogated after apelin treatment for 48 h. We also found that apelin increased Cx43 expression under normal glucose. Real-time PCR showed that the Cx43 mRNA was not significantly affected under high glucose conditions in the presence of apelin or high glucose and apelin. High glucose decreased the phosphorylation of AMPKα; however, apelin activated AMPKα. Interestingly, we found that Cx43 expression was increased after treatment with AICAR, an activator of AMPK signaling. AMPKα inhibition mediated with transfection of siRNA-AMPKα1 and siRNA-AMPKα2 abolished the protective effect of apelin on Cx43 expression. Our data suggest that apelin attenuates high glucose-induced Cx43 downregulation and improves the loss of functional gap junctions partly through the AMPK pathway.
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A Changing of the Abbreviated Injury Scale that Improves Accuracy and Simplifies Scoring. HONG KONG J EMERG ME 2017. [DOI: 10.1177/102490791302000303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objective We present here a changing of the abbreviated injury scale (AIS). It is called the changed injury severity score (CISS), and significantly outperforms the venerable but dated the injury severity score (ISS) and the new injury severity score (NISS) as a predictor of mortality. Methods The CISS is defined as a change of AIS values by raising each AIS severity score (1-6) by a power of 4.12 divided by 30.33 and then summing the three most severe (i.e. highest AIS) regardless of body regions. CISS values were calculated for every patient in two large independent data sets: 3455, 3900 patients treated during a five-year period at the class A grade III comprehensive hospitals in Affiliated Hospital of Hangzhou Normal University (Hangzhou) and Zhejiang Provincial People's Hospital (Zhejiang). The power of CISS to predict morality was then compared with previously calculated NISS values of the same group patients in the two hospitals. Results We found CISS was more accurate than NISS to predict the survival. The receiver operating characteristic (ROC) of NISS and CISS in Hangzhou were 0.919 and 0.937 respectively (p=0.026), whereas for Zhejiang were 0.917 and 0.940 respectively (p=0.022). Moreover, CISS provided a better fit throughout its entire range of prediction. Hosmer-Lemeshow (H-L) statistic for NISS and CISS in Hangzhou were 24.00 (p=0.002) and 19.38 (p=0.007), whereas in Zhejiang were 22.70 (p=0.001) and 18.43 (p=0.005) respectively. Conclusions CISS is a modified version of NISS/ISS with better statistical property and can be considered in trauma research.
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Melatonin mediates vasodilation through both direct and indirect activation of BK Ca channels. J Mol Endocrinol 2017; 59:219-233. [PMID: 28676563 DOI: 10.1530/jme-17-0028] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 07/03/2017] [Indexed: 01/14/2023]
Abstract
Melatonin, synthesized primarily by the pineal gland, is a neuroendocrine hormone with high membrane permeability. The vascular effects of melatonin, including vasoconstriction and vasodilation, have been demonstrated in numerous studies. However, the mechanisms underlying these effects are not fully understood. Large-conductance Ca2+-activated K+ (BKCa) channels are expressed broadly on smooth muscle cells and play an important role in vascular tone regulation. This study explored the mechanisms of myocyte BKCa channels and endothelial factors underlying the action of melatonin on the mesenteric arteries (MAs). Vascular contractility and patch-clamp studies were performed on myocytes of MAs from Wistar rats. Melatonin induced significant vasodilation on MAs. In the presence of Nω-nitro-l-arginine methyl ester (l-NAME), a potent endothelial oxide synthase (eNOS) inhibitor, melatonin elicited concentration-dependent relaxation, with lowered pIC50 The effect of melatonin was significantly attenuated in the presence of BKCa channel blocker iberiotoxin or MT1/MT2 receptor antagonist luzindole in both (+) l-NAME and (-) l-NAME groups. In the (+) l-NAME group, iberiotoxin caused a parallel rightward shift of the melatonin concentration-relaxation curve, with pIC50 lower than that of luzindole. Both inside-out and cell-attached patch-clamp recordings showed that melatonin significantly increased the open probability, mean open time and voltage sensitivity of BKCa channels. In a cell-attached patch-clamp configuration, the melatonin-induced enhancement of BKCa channel activity was significantly suppressed by luzindole. These findings indicate that in addition to the activation of eNOS, melatonin-induced vasorelaxation of MAs is partially attributable to its direct (passing through the cell membrane) and indirect (via MT1/MT2 receptors) activation of the BKCa channels on mesenteric arterial myocytes.
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MESH Headings
- Animals
- Gene Expression
- Ion Channel Gating/drug effects
- Large-Conductance Calcium-Activated Potassium Channel alpha Subunits/agonists
- Large-Conductance Calcium-Activated Potassium Channel alpha Subunits/genetics
- Large-Conductance Calcium-Activated Potassium Channel alpha Subunits/metabolism
- Male
- Melatonin/metabolism
- Melatonin/pharmacology
- Muscle, Smooth, Vascular/cytology
- Myocytes, Smooth Muscle/drug effects
- Myocytes, Smooth Muscle/metabolism
- Rats
- Receptor, Melatonin, MT1/genetics
- Receptor, Melatonin, MT1/metabolism
- Receptor, Melatonin, MT2/genetics
- Receptor, Melatonin, MT2/metabolism
- Vasodilation/drug effects
- Vasodilation/genetics
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44
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High glucose and free fatty acids induce endothelial progenitor cell senescence via PGC-1α/SIRT1 signaling pathway. Cell Biol Int 2017; 41:1146-1159. [PMID: 28786152 DOI: 10.1002/cbin.10833] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 07/28/2017] [Indexed: 01/01/2023]
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[Identification of mutations associated with coronary artery lesion susceptibility in Kawasaki disease by targeted enrichment of genomic region sequencing technique]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2017; 55:529-533. [PMID: 28728263 DOI: 10.3760/cma.j.issn.0578-1310.2017.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To screen and identify the mutations in Kawasaki disease by targeted enrichment of genomic region sequencing technique and investigate susceptibility genes associated with coronary artery lesion. Method: This was a case-control study.A total of 114 patients diagnosed as Kawasaki disease treated in Shanghai Children's Hospital between December 2015 and November 2016 were studied and another 45 healthy children who were physically examined in outpatient department were enrolled as control group. Patients were divided into two groups based on the results of echocardiogram. Peripheral venous blood was obtained from patients and controls. Genomic DNA was extracted. SeqCap EZ Choice libraries were prepared by targeted enrichment of genomic region technology. Then the libraries were sequenced to identify susceptibility genes associated with coronary artery lesion in patients diagnosed as Kawasaki disease.Susceptible genes were identified by Burden test, Pearson chi-square test or Fisher's exact probability test. Result: There was statistically significant difference in TNFRSF11B(rs2073618)G>C(p.N3K)mutation and GG/GC/CC genotype between Kawasaki disease group and control group(χ(2)=15.52, P=0.00). There was statistically significant difference in TNFRSF13B(rs34562254)C>T(p.P251L)mutation(χ(2)=10.40, P=0.01)and LEFTY1(rs360057)T>G(p.D322A)mutation(χ(2)=8.505, P=0.01)between patients with coronary artery lesions and those without. Conclusion: Targeted enrichment of genomic region sequencing technology can be used to do primary screening for the susceptible genes associated with coronary artery lesions in Chinese Kawasaki patients and may provide theoretical basis for larger sample investigation of risk prediction score standard in Kawasaki disease.
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[Analysis of the clinical features of vestibular migraine with MRI changes]. ZHONGHUA YI XUE ZA ZHI 2017; 97:1049-1053. [PMID: 28395426 DOI: 10.3760/cma.j.issn.0376-2491.2017.14.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinical features of vestibular migraine with MRI changes. Methods: The clinical data of 150 patients with vestibular migraine completing MRI examination in navy general hospital from August 2008 to August 2016 were retrospectively analyzed.Clinical features of 94 (62.7%) vestibular migraine patients with MRI changes were collected and analyzed according to the medical history, clinical symptoms and signs, as well as the result of auxiliary examinations. Results: The manifestations of MRI in vestibular migraine patients were mainly multiple punctate equal T(1) and long T(2) signals or high signals on FLAIR (fluid attenuated inversion recovery) in subcortical white matter. The average age of the patients at the visit was (52±15) years old, with the male to female ratio of 1∶3.1. The occurrence of vertigo and migraine were in no particular order, with 54.3% patients presenting migraine several years before vertigo. The duration of vertigo was mostly 24 hours to 72 hours (31.9%). The visual aura (55.3%), photophobia and phonophobia (67.0%) were the most frequently associated symptoms. Conclusions: The vestibular migraine patients with MRI changes have its own specific clinical characteristics and are mainly seen in female with visual aura. The associated symptoms of vestibular migraine appear mostly during the process of vertigo. The pathogenesis of cerebral white matter hyperintensities (WMHs) is not clear.
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Abstract P4-02-10: Adjunct diagnosing with breast specific gamma imaging or ultrasound in symptomatic women with mammographic dense breasts: A single center retrospective and comparative analysis. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p4-02-10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
This abstract was not presented at the symposium.
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48
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[Prognostic factors for inability to walk independently in patients with multiple system atrophy]. ZHONGHUA NEI KE ZA ZHI 2017; 56:94-98. [PMID: 28162177 DOI: 10.3760/cma.j.issn.0578-1426.2017.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the prognostic factors for inability to walk independently in patients with multiple system atrophy (MSA). Methods: A total of 123 patients with clinically confirmed MSA admitted to Navy General Hospital and Dongfang Hospital affiliated to the Second Clinical Medical College of Beijing University of Chinese Medicine, from February 2013 to February 2016, were retrospectively reviewed. Clinical data and all records were collected and all subjects were followed up by a telephone call in February 2016. The second milestone of activities of daily living scale (ADL), defined as inability to walk independently, was taken as the primary outcome. Eight possible prognostic factors were investigated and the survival analysis was performed with Cox proportional hazards model regression. Results: Of all the MSA patients, 74 subjects were men and 49 were women with a sex radio of 1.51∶1(M∶F). Seventy cases were diagnosed with MSA-cerebellar type (MSA-C) and 53 with MSA-Parkinson type (MSA-P) (C∶P=1.32∶1). Mean age at the onset of first symptom was (53±8) years old. All patients had severe autonomic nervous dysfunction. At the last follow-up, 56 cases (45.5%) were unable to walk independently. The median survival time from the onset of MSA to inability to walk independently was 73 months. The age of onset ≥ 55 years (HR=1.969, 95%CI 1.095-3.542, P=0.024) and the interval time from disease onset to combined motor and autonomic involvement≤3 years (HR=2.308, 95%CI 1.158-4.600, P=0.017) were independent prognostic factors for inability to walk independently, while gender, MSA clinical subtypes, initial symptoms, alcohol intake, smoking and toxic exposure were not indicators for independent walking (P>0.05). Conclusions: The prognostic factors for inability to walk independently in patients with MSA are the age of onset ≥55 years and the interval time from disease onset to combined motor and autonomic involvement≤3 years. Although factors including gender, MSA clinical subtypes, initial symptoms, alcohol intake, smoking and toxic exposure are not the predictive factors for inability to walk independently in our MSA patients, their roles in the prognosis of MSA still need further investigation.
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Impact of Immunoglobulin Therapy in Intestinal Transplant Recipients With Posttransplantation Hypogammaglobulinemia. Transplant Proc 2017; 48:479-84. [PMID: 27109982 DOI: 10.1016/j.transproceed.2015.12.064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 12/29/2015] [Indexed: 11/16/2022]
Abstract
BACKGROUND Severe hypogammaglobulinemia (HGG) (IgG <400 mg/dL) following intestinal transplantation is common. Although IgG replacement therapy is commonly used, clinical outcomes associated with increasing IgG levels to >400 mg/dL are not well described. METHODS Kaplan-Meier analysis was performed to estimate survival, the log-rank test to compare survival distributions between groups, and the Fisher exact test to determine the association between HGG and rejection. RESULTS A total of 23 intestinal transplant (IT) recipients with a median age of 2.3 years (range, 0.7-41 years) at the time of HGG diagnosis were included. The types of transplants were liver-small bowel (73.9%), liver-small bowel-kidney (8.7%), and small bowel only (17.4%). The 3-year survival after the diagnosis of HGG was 50.2% (95% confidence interval [CI] = 28.2%-68.7%). There was no difference in survival (P = .67) when patients were dichotomized based upon IgG level at last follow-up (IgG ≥400 mg/dL, n = 14; and IgG <400 mg/dL, n = 9). There was no also evidence of an association between survival and: total dose (P = .58), frequency (P = .11), and number of IgG doses administered (P = .8). There was no difference in survival between patients receiving (n = 12) or not receiving (n = 11) cytomegalovirus hyperimmunoglobulin (P = .10). CONCLUSIONS Improved survival rates were not found in our IT recipients with severe HGG with immunoglobulin therapy to IgG levels of ≥400 mg/dL, even when cytomegalovirus hyperimmunoglobulin was administered.
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The Impact of Rosuvastatin on the Density Score of Coronary Artery Calcification in Coronary Artery Disease Patients with Type 2 Diabetes Mellitus: Rationale and Design of RosCal Study. Clin Drug Investig 2017; 36:1023-1029. [PMID: 27541380 DOI: 10.1007/s40261-016-0445-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
INTRODUCTION More and more evidence suggests that the density of calcification plays an important role in the plaque stability. However, few studies have investigated the statin treatment on the density of plaque calcification in patients with both coronary artery disease (CAD) and type 2 diabetes mellitus. METHODS One hundred and twenty-two CAD patients with type 2 diabetes with confirmed coronary artery calcification (CAC) will be recruited consecutively in a 12-month period. These patients will receive rosuvastatin (20 mg/day) therapy in the next 24 months. Blood tests and adverse events will be collected at routine follow-up of 1, 3, 6, 12, 18 and 24 months. The primary endpoint will be the change of CAC density score measured by coronary CT angiography after 24 months' treatment of rosuvastatin (20 mg/day) compared with baseline. The secondary endpoints will be the change of serum sclerostin and the effect on the volume score of CAC in those patients. RESULTS We expect that rosuvastatin could both increase the density of CAC to improve plaque stability and up-regulate serum sclerostin, which would suggest the underlying mechanism of the plaque stabilization by a statin. CONCLUSION This study would be the first to demonstrate the impact of rosuvastatin on the density score of coronary artery calcification in CAD patients with type 2 diabetes. This study has been registered in ClinicalTrials.gov (NCT02418884).
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