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1.
Opt Express ; 31(20): 32298-32310, 2023 Sep 25.
Artículo en Inglés | MEDLINE | ID: mdl-37859036

RESUMEN

Realizing an ultrahigh-equivalent aperture for space-based direct optical detection using a distributed optical synthetic aperture (DOSA) system with a very low filling ratio is challenging. This study proposes a position-transformation method for DOSA systems with high-frequency domain coverage called High-Frequency domain-Covering discrete Archimedean Spiral Arrays (HFCASA). The study shows that Golay3 HFCASA with a filling ratio of 0.0675% can greatly improve frequency domain coverage and fulfill the resolution requirements of a 200 m aperture telescope. HFCASA provides the theoretical basis for the future deep-space exploration of DOSA.

2.
J Clin Ultrasound ; 51(4): 680-686, 2023 May.
Artículo en Inglés | MEDLINE | ID: mdl-36994484

RESUMEN

PURPOSE: The purpose of this study was to evaluate the value of diagnosing delaminated tears and ultrasonic characteristics on real-time dynamic ultrasound. MATERIALS AND METHODS: We enrolled 143 consecutive patients who underwent arthroscopic rotator cuff repair between April 2020 and January 2021. All patients were examined using real-time dynamic ultrasound of the shoulder within 2 weeks before arthroscopy. In our study, delaminated tears were defined as intratendinous horizontal splitting with or without the retraction of the articular or bursal layer of tendon. Delaminated tears were classified into three types on the basis of their shape: greater retraction of the articular layer (type I), greater retraction of the bursal layer (type II), and equal retraction of both layers (type III). The sensitivity and specificity of real-time dynamic ultrasound for evaluation of delaminated tears were calculated using arthroscopy findings as the gold standard. Ultrasonic imaging appearances of delaminated rotator cuff tears were further described. RESULTS: Of the 143 patients, 47 (32.9%) had delaminated tears as confirmed by arthroscopy; 35 of these tears involved the supraspinatus tendon and 12 involved both supraspinatus and infraspinatus tendons. Real-time dynamic ultrasound correctly diagnosed 36 of 47 delaminated tears with sensitivity 72.0% (57.2%-83.3%) and specificity 96.7% (90.2%-99.2%). Moreover, type I tear (n = 32) was more common than type II (n = 11) and type III tears (n = 4). Real-time dynamic ultrasound evaluated shape of type I, type II, and type III with a sensitivity and specificity of 56% and 80%, 72% and 83%, and 100% and 98%, respectively. Anechoic horizontal linear splitting of tendon, unequal retraction of the bursal and articular layers, and thinning of the suffering tendon were the three signs observed during real-time dynamic ultrasound examination. These three signs were indicative of a diagnosis of delaminated rotator cuff tears with high specificities (100.0%, 100.0%, and 97.9%, respectively) but relatively low sensitivities (25.5%, 25.5%, and 36.2%, respectively). CONCLUSION: Real-time dynamic ultrasound can be practically used for diagnosing delamination of rotator cuff tears with medium sensitivity and high specificity. Anechoic horizontal linear splitting of tendon, unequal retraction of the bursal and articular layers, and thinning of the involved tendon are the three important ultrasonic signs for diagnosis of delaminated rotator cuff tears.


Asunto(s)
Lesiones del Manguito de los Rotadores , Humanos , Lesiones del Manguito de los Rotadores/diagnóstico por imagen , Lesiones del Manguito de los Rotadores/cirugía , Estudios Retrospectivos , Imagen por Resonancia Magnética/métodos , Manguito de los Rotadores/diagnóstico por imagen , Manguito de los Rotadores/cirugía , Hombro
3.
Molecules ; 28(14)2023 Jul 22.
Artículo en Inglés | MEDLINE | ID: mdl-37513460

RESUMEN

Mycosporine-like amino acids (MAAs) are a class of water-soluble active substances produced by various aquatic organisms. However, due to the limitations of low accumulation of MAAs in organisms, the cumbersome extraction process, difficult identification, and high cost, MAAs have not yet been widely used in human life. Recently, there has been an emergence of heterologous synthesis for MAAs, making increasing yield the key to the quantification and application of MAAs. This review summarizes the latest research progress of MAAs, including: (1) introducing the biodistribution of MAAs and the content differences among different species to provide a reference for the selection of research subjects; (2) elaborating the species and molecular information of MAAs; (3) dissecting the synthesis mechanism and sorting out the synthesis pathways of various MAAs; (4) summarizing the methods of extraction and identification, summarizing the advantages and disadvantages, and providing a reference for the optimization of extraction protocols; (5) examining the heterologous synthesis method; and (6) summarizing the physiological functions of MAAs. This paper comprehensively updates the latest research status of MAAs and the various problems that need to be addressed, especially emphasizing the potential advantages of heterologous synthesis in the future production of MAAs.


Asunto(s)
Aminoácidos , Organismos Acuáticos , Humanos , Aminoácidos/química , Distribución Tisular , Organismos Acuáticos/metabolismo , Rayos Ultravioleta
4.
Inflammopharmacology ; 31(4): 1715-1729, 2023 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-37261627

RESUMEN

Cardiovascular diseases (CVDs) are a leading cause of global mortality and have a high incidence rate worldwide. The function of inflammasomes in CVDs has received a lot of attention recently, and the nucleotide-binding domain and leucine-rich repeat protein 3 (NLRP3) inflammasome may be a new target for the prevention and treatment of CVDs. Flavonoids, which are found in food and plant extracts, inhibited inflammation in CVDs by regulating the NLRP3 inflammasome. CB-Dock was used to investigate whether 34 flavonoids from natural products acted on NLRP3 inflammasome. In brief, the PDB format of NLRP3 was selected as a protein file, and 34 flavonoids in SDF format were selected as the ligand file, and then input to CB-Dock for molecular docking. The docking results showed that epigallocatechin-3-gallate (EGCG), amentoflavone, baicalin, scutellarin, vitexin, silibinin, and puerarin had good binding affinities to NLRP3, which could be used as NLRP3 inhibitors, and aid in the discovery of lead compounds for the design and development of CVDs.


Asunto(s)
Enfermedades Cardiovasculares , Inflamasomas , Humanos , Inflamasomas/metabolismo , Proteína con Dominio Pirina 3 de la Familia NLR/metabolismo , Enfermedades Cardiovasculares/tratamiento farmacológico , Simulación del Acoplamiento Molecular , Flavonoides/farmacología
5.
Psychiatr Danub ; 35(4): 477-488, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37992092

RESUMEN

Hepatomegaly is an autosomal recessive condition with an estimated 1:30000 cases worldwide. Because the symptoms and indicators of hepatomegaly mental disease are poorly understood, the ailment is frequently misdiagnosed or underdiagnosed, which causes irreparable nerve damage in the patient's later years. To comprehensively review the research and offer a list of treatments for treating mental illnesses in hepatomegaly. PRISMA guidelines were used to deliver the review. Evidence-based nursing standards were used to design research questions and tactics. In order to find information on hepatomegaly clinical guidelines, systematic reviews, randomized controlled trials (RCTs), and expert consensus on the management of mental disorders in patients with nuclear degeneration, all databases of CINAHL, Up to Date, the Cochrane Library, Pubmed(Medline), Embase, Wiley, JBI, International Guidelines.com, Wanfang, and CNKI were searched. This investigation covered a total of 14 publications, and 41 best evidence items, encompassing screening, evaluation, clinical symptoms, pharmaceutical therapies, non-pharmacological interventions, and health education, were retrieved. It is recommended that healthcare professionals evaluate our cultural characteristics, medical resources, and patient's subjective and objective conditions before clinical application, apply the evidence in a targeted manner to improve patient's health outcomes, and reduce readmissions. The 41 best evidence for patients with hepatomegaly can guide the treatment and rehabilitation of patients with hepatomegaly and psychiatric disorders.


Asunto(s)
Degeneración Hepatolenticular , Trastornos Mentales , Humanos , Degeneración Hepatolenticular/diagnóstico , Degeneración Hepatolenticular/terapia , Hepatomegalia , Trastornos Mentales/diagnóstico , Trastornos Mentales/terapia
6.
Acta Obstet Gynecol Scand ; 101(12): 1364-1373, 2022 12.
Artículo en Inglés | MEDLINE | ID: mdl-36124820

RESUMEN

INTRODUCTION: The relation between body mass index (BMI) categories and the occurrence of primary dysmenorrhea has been investigated, but the results of these studies are inconsistent and controversial. The aim of our study was to systematically review the literature and investigate the association between each category of BMI and the occurrence of primary dysmenorrhea. MATERIAL AND METHODS: We conducted a systematic review and meta-analysis of observational studies related to BMI and primary dysmenorrhea. Eleven databases-PubMed, Medline, Embase, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Scopus, Cochrane Library, Web of Science, China National Knowledge Infrastructure (CNKI), Chinese Science and Technology Periodical Database (VIP), Chinese Biomedical Literature Database (CBM), and Wanfang database-were systematically searched from inception to March 2022. We used the 11 items recommended by the Agency for Healthcare Research and Quality to assess the quality of included studies. The Q test and the I2 test were used to evaluate the heterogeneity among studies. Odds ratios (OR) and their 95% confidence intervals (CI) were pooled by fixed-effects models or random-effects models. Stata software version 16.0 was used to complete the statistical analyses. RESULTS: A total of 4181 articles were collected from the database, and 12 studies were included based on inclusion and exclusion criteria. A total of 29 647 participants were included in the study, with a mean baseline age of 17-45 years. All included literature was published between 2017 and 2021 and was conducted in six countries. Eleven included studies were of medium quality and one included study was of high quality. Being underweight may be related to the occurrence of primary dysmenorrhea (12 studies, n = 6545, OR 1.43, 95% CI 1.18-1.73). Being overweight (12 studies, n = 3098) and obesity (four studies, n = 94) may not be associated with the development of primary dysmenorrhea. CONCLUSIONS: Being underweight may increase the risk of the occurrence of primary dysmenorrhea, whereas overweight and obesity might not be associated with primary dysmenorrhea. Due to the limitations of the meta-analysis, more studies are needed to investigate the relation between each category of BMI and the occurrence of primary dysmenorrhea. To maintain a balanced diet and an appropriate lifestyle is beneficial for people to have the normal category of BMI and live a healthy life, which may play a role in preventing the occurrence of primary dysmenorrhea.


Asunto(s)
Dismenorrea , Sobrepeso , Femenino , Humanos , Adolescente , Adulto Joven , Adulto , Persona de Mediana Edad , Índice de Masa Corporal , Dismenorrea/epidemiología , Delgadez , Obesidad/complicaciones , Obesidad/epidemiología
7.
Exp Cell Res ; 395(2): 112212, 2020 10 15.
Artículo en Inglés | MEDLINE | ID: mdl-32771525

RESUMEN

Increased expression of FOXM1 is observed in a variety of human malignancies. The downstream target genes of FOXM1 involved in tumorigenesis and development are not fully elucidated in ovarian cancer. Here, we identified Cyclin F, a substrate recognition subunit of SCF (Skp1-Cul1-F-box protein) complex, and Kinesin Family Member 20A (KIF20A) were transcriptionally regulated by FOXM1 in ovarian cancer. Accordingly, Cyclin F and KIF20A were commonly overexpressed in ovarian cancer. Functionally, forced expression of Cyclin F or KIF20A significantly enhanced while knockdown of them decreased proliferation and invasion of ovarian cancer cells. Importantly, high levels of Cyclin F and KIF20A correlated with poor prognosis in patients with ovarian cancer. Our findings indicate that Cyclin F and KIF20A are functional targets of FOXM1 which might be potential drug targets in ovarian cancer.


Asunto(s)
Carcinoma Epitelial de Ovario/genética , Proliferación Celular/genética , Ciclinas/metabolismo , Proteína Forkhead Box M1/genética , Cinesinas/genética , Biomarcadores de Tumor/genética , Movimiento Celular/fisiología , Transformación Celular Neoplásica/genética , Femenino , Regulación Neoplásica de la Expresión Génica , Humanos , Neoplasias Ováricas/genética , Neoplasias Ováricas/patología , Ovario/metabolismo , Ovario/patología
8.
Am J Physiol Endocrinol Metab ; 318(5): E723-E735, 2020 05 01.
Artículo en Inglés | MEDLINE | ID: mdl-31910027

RESUMEN

Gestational diabetes mellitus (GDM) is a metabolic disorder characterized by insulin resistance, and patients with GDM have a higher risk of cardiovascular disease. Multiple microRNAs (miRNAs) are reported to be involved in the regulation of myocardial injury. Moreover, miR-873 was predicted to target insulin-like growth factor binding protein 2 (IGFBP2) through bioinformatic analysis, which was further confirmed using a luciferase assay. Thus, our objective was to assess whether microRNA-873 (miR-873) affects insulin resistance and myocardial injury in an established GDM rat model. The GDM rats were treated with miR-875 mimic or inhibitor or IGFBP2 siRNA. The effects of miR-875 and IGFBP2 on the cardiac function, insulin resistance, and myocardial injury were evaluated by hemodynamic measurements, determination of biochemical indices of myocardium and serum, and insulin homeostatic model assessment. The results indicated that downregulation of miR-873 upregulated the expression of IGFBP2 and promoted the activation of phosphatidylinositol-3 kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) axis. With downregulation of miR-873 in GDM rats, the cardiac function was improved and the myocardial apoptosis was inhibited, coupled with elevated activity of superoxide dismutase, carbon monoxide synthase, and the nitric oxide content. In addition, the inhibition of miR-873 in GDM rats modulated the insulin resistance and reduced myocardial apoptosis. Overall, the data showed that inhibition of miR-873 by targeting IGFBP2 may regulate the insulin resistance and curtail myocardial injury in GDM rats through activating the PI3K/AKT/mTOR axis, thus providing a potential means of impeding the progression of GDM.


Asunto(s)
Diabetes Gestacional/metabolismo , Regulación de la Expresión Génica , Resistencia a la Insulina/fisiología , Proteína 2 de Unión a Factor de Crecimiento Similar a la Insulina/metabolismo , MicroARNs/metabolismo , Daño por Reperfusión Miocárdica/metabolismo , Miocardio/metabolismo , Animales , Apoptosis/fisiología , Diabetes Gestacional/genética , Regulación hacia Abajo , Femenino , Hemodinámica , Proteína 2 de Unión a Factor de Crecimiento Similar a la Insulina/genética , MicroARNs/genética , Daño por Reperfusión Miocárdica/genética , Embarazo , Proteínas Proto-Oncogénicas c-akt/metabolismo , Ratas , Ratas Sprague-Dawley , Transducción de Señal/fisiología , Serina-Treonina Quinasas TOR/metabolismo , Regulación hacia Arriba
9.
Pharmacol Res ; 157: 104831, 2020 07.
Artículo en Inglés | MEDLINE | ID: mdl-32339782

RESUMEN

Diabetic nephropathy (DN), a common complication of diabetes mellitus, is the main cause of end-stage nephropathy, and thus developing novel strategies for reversing DN remains urgent. Astragaloside IV (AS-IV), a glycoside extracted from the Astragalus membranaceus (Fisch.) Bunge, is a widely used Traditional Chinese Medicine (TCM) in China and presents diverse pharmacological properties including the protective effect on DN. However, the rudimentary mechanism of AS-IV in remedying DN remains indeterminate. Currently, we systematically explore the pharmacological mechanism of action of AS-IV for treating DN. Firstly, AS-IV was evaluated by ADME assessment, and 26 targets were screened out through target prediction. Then, we decipher the protein-protein interaction (PPI), Gene Ontology (GO) enrichment analysis, disease and pathway network analysis to obtain the specific molecular biological process and pharmacological activity of AS-IV in the treatment of DN. Meanwhile, both in vivo and in vitro experiments confirmed that AS-IV has anti-oxidative stress, anti-inflammatory, anti-epithelial-mesenchymal transition (EMT) effects, and can inhibit the Wnt/ß-catenin signaling pathway, ultimately ameliorating the renal injury caused by high glucose. Additionally, we also applied molecular docking and molecular dynamics simulation to predict the specific binding sites and binding capacity of AS-IV and related targets. Overall, the comprehensive system pharmacology method and experiment validations provide an accurate explanation for the molecular mechanism of AS-IV in the treatment of DN. Moreover, it is expected to provide a brand new strategy for exploring the effective components of TCM.


Asunto(s)
Antiinflamatorios/farmacología , Antioxidantes/farmacología , Nefropatías Diabéticas/tratamiento farmacológico , Riñón/efectos de los fármacos , Saponinas/farmacología , Triterpenos/farmacología , Animales , Antiinflamatorios/farmacocinética , Antioxidantes/farmacocinética , Células CACO-2 , Biología Computacional , Nefropatías Diabéticas/genética , Nefropatías Diabéticas/metabolismo , Nefropatías Diabéticas/patología , Modelos Animales de Enfermedad , Transición Epitelial-Mesenquimal , Redes Reguladoras de Genes , Humanos , Mediadores de Inflamación/metabolismo , Riñón/metabolismo , Riñón/patología , Masculino , Simulación del Acoplamiento Molecular , Simulación de Dinámica Molecular , Estrés Oxidativo/efectos de los fármacos , Mapas de Interacción de Proteínas , Ratas Sprague-Dawley , Saponinas/farmacocinética , Triterpenos/farmacocinética , Vía de Señalización Wnt
10.
Biol Pharm Bull ; 43(10): 1443-1447, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32999154

RESUMEN

One-pot process for the production of ginsenoside Rd by coupling enzyme-assisted extraction with selective enzymolysis was explored in this paper. Several detection methods including HPLC-MS were used to identify and quantify the products in the enzymolysis solution of pectinase. Results showed that ginsenoside Rd was the main component in enzymolysis solution, pectinase specifically hydrolyzes protopanaxadiol (PPD)-type ginsenoside and was a selective enzyme to convert ginsenoside Rb1 to Rd in a way. In addition the influencing factors on the yield of ginsenoside Rb1 and Rd were optimized using L9(34) orthogonal design data. The enzymolysis conditions for the higher yield of Rd were 52.5 °C, pH 6 and 1 h with a yield of 0.8314 from 50 mg drug material. The controllable transformation hypothesis of the PPD-type ginsenoside was also explored from the perspective of the molecular steric hindrance. Pectinase could be used as an efficient enzyme for one-pot producing ginsenoside Rd.


Asunto(s)
Química Farmacéutica/métodos , Ginsenósidos/análisis , Panax/enzimología , Espectrometría de Masas en Tándem/métodos , Cromatografía Líquida de Alta Presión/métodos , Cromatografía Liquida/métodos , Ginsenósidos/química , Espectrometría de Masas/métodos
11.
Med Sci Monit ; 24: 8592-8601, 2018 Nov 27.
Artículo en Inglés | MEDLINE | ID: mdl-30481795

RESUMEN

BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a deadly disease characterized by excessive collagen in the extracellular matrix (ECM) of the lungs. Collagen is the primary protein component of the ECM. However, the exact mechanisms underlying the formation and deposition of collagen in the ECM under normal and pathological conditions remain unclear. Previous studies showed that lysyl hydroxylase (LH) plays a crucial role in the formation of collagen. Minoxidil is an FDA-approved anti-hypertensive agent that inhibits LH that reduces fibrosis. In this study, we investigated the functional roles of LHs (LH1, LH2, and LH3) in pulmonary fibrosis and the anti-fibrotic effects of minoxidil. MATERIAL AND METHODS Patient serum samples were examined for their expression of procollagen-lysine, 2-oxoglutarate 5-dioxygenases (PLOD) 1-3, the genes encoding LH 1-3. Mice with bleomycin (BLM 2.5 mg/kg)-induced pulmonary fibrosis were administered a minoxidil solution (30 mg/kg) by oral gavage. RESULTS The PLOD mRNA levels were significantly higher in the IPF patients than in the healthy control subjects. Minoxidil suppressed the BLM-induced pulmonary fibrosis in vivo. These effects were associated with blocking TGF-ß1/Smad3 signal transduction and attenuating the expression and activity of LHs, resulting in decreased collagen formation, thus reducing the pulmonary fibrosis. The anti-fibrotic effects of minoxidil may be mediated through competitive inhibition of LHs activity, resulting in decreased pyridine cross-link formation and collagen production and deposition. CONCLUSIONS The results of this study suggest that LH represents a target to prevent or treat pulmonary fibrosis, and minoxidil may provide an effective agent to inhibit LHs.


Asunto(s)
Minoxidil/farmacología , Procolágeno-Lisina 2-Oxoglutarato 5-Dioxigenasa/efectos de los fármacos , Animales , Bleomicina/farmacología , China , Colágeno/efectos de los fármacos , Colágeno/genética , Matriz Extracelular/metabolismo , Fibroblastos/efectos de los fármacos , Fibrosis/tratamiento farmacológico , Humanos , Fibrosis Pulmonar Idiopática/metabolismo , Pulmón/patología , Masculino , Ratones , Ratones Endogámicos C57BL , Procolágeno-Lisina 2-Oxoglutarato 5-Dioxigenasa/antagonistas & inhibidores , Procolágeno-Lisina 2-Oxoglutarato 5-Dioxigenasa/sangre , Fibrosis Pulmonar/tratamiento farmacológico , Transducción de Señal/efectos de los fármacos , Proteína smad3/efectos de los fármacos , Proteína smad3/metabolismo , Factor de Crecimiento Transformador beta1/efectos de los fármacos , Factor de Crecimiento Transformador beta1/metabolismo
12.
Bioorg Med Chem Lett ; 25(17): 3748-53, 2015 Sep 01.
Artículo en Inglés | MEDLINE | ID: mdl-26142946

RESUMEN

A novel neurogenic compound (1), discovered from a mouse neural progenitor cell (NPC) screen, showed profound neurogenic effect on human NPCs. Synthesis and SAR of this novel 2,3,11,11a-tetrahydro-1H-pyrazino[1,2-b]isoquinoline-1,4(6H)-dione series are described. Compound 20 is brain penetrable in rodents, and promotes neurogenesis in wild type mice, therefore it is a good tool molecule to study neurogenesis induction as a potential treatment for conditions associated with neurogenesis impairment diseases.


Asunto(s)
Isoquinolinas/química , Células-Madre Neurales/efectos de los fármacos , Neurogénesis/efectos de los fármacos , Pirazinas/farmacocinética , Relación Estructura-Actividad , Administración Oral , Animales , Encéfalo/efectos de los fármacos , Diferenciación Celular/efectos de los fármacos , Células Cultivadas , Técnicas de Química Sintética , Relación Dosis-Respuesta a Droga , Descubrimiento de Drogas , Evaluación Preclínica de Medicamentos/métodos , Semivida , Humanos , Isoquinolinas/administración & dosificación , Isoquinolinas/farmacocinética , Isoquinolinas/farmacología , Ratones Endogámicos C57BL , Células-Madre Neurales/citología , Pirazinas/administración & dosificación , Pirazinas/química
13.
Zhongguo Zhong Yao Za Zhi ; 40(7): 1388-91, 2015 Apr.
Artículo en Zh | MEDLINE | ID: mdl-26281566

RESUMEN

OBJECTIVE: The study aimed to test if Paridis Rhizoma total saponins (PRTS) could induce apoptosis of human gastric cancer cell MKN-45. METHOD: Based on the previous researches, PRTS was set by different concentrations to treat human gastric cancer cell for 12 h (5, 10, 20 mg x L(-1)). Fluorescent staining methods were adopted to observe apoptotic morphological changes of MKN-45. The apoptosis rates were analyzed by flow cytometry with Annexin V-FITC/PI staining. The enzymatic activities of caspase-3 and caspase-8 were measured by ELISA. The protein levels of Fas and FasL were detected by Western blotting. RESULT: Under a fluorescence microscope, MKN-45 treated by PRTS was seen typical apoptotic morphological features. PRTS significantly increased the rate of apoptosis. Compared with the control group, there exsited significant differences in apoptosis rate of PRTS concentration of 20 mg x L(-1) (P < 0.01); besides, the enzymatic activities of caspase-3 and caspase-8 were promoted obviously after the effect of PRTS on MKN-45 cells for 12 h (P < 0.01). The protein levels of Fas and FasL in the MKN-45 were upgraded significantly. CONCLUSION: PRTS can induce apoptosis of human gastric cancer cell MKN-45 , which is concerned with caspase-3 and caspase-8 and upgraded Fas and FasL.


Asunto(s)
Apoptosis/efectos de los fármacos , Medicamentos Herbarios Chinos/farmacología , Proteína Ligando Fas/metabolismo , Magnoliopsida/química , Saponinas/farmacología , Neoplasias Gástricas/metabolismo , Receptor fas/metabolismo , Caspasa 3/genética , Caspasa 3/metabolismo , Caspasa 8/genética , Caspasa 8/metabolismo , Línea Celular Tumoral , Humanos , Rizoma/química , Transducción de Señal/efectos de los fármacos , Neoplasias Gástricas/tratamiento farmacológico , Neoplasias Gástricas/genética , Neoplasias Gástricas/fisiopatología
14.
Medicine (Baltimore) ; 103(3): e36601, 2024 Jan 19.
Artículo en Inglés | MEDLINE | ID: mdl-38241529

RESUMEN

BACKGROUND: The aim of this study was to identify the risk factors for posttraumatic stress disorder in patients with myocardial infarction. METHODS: Cohort, case-control, and cross-sectional studies on posttraumatic stress disorder (PTSD) in patients with myocardial infarction were searched from PubMed, Embase, Cochrane Library, Web of Science, China Biomedical Literature Database, China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, and Technology Journal database. The Newcastle-Ottawa Quality Assessment Scale was used to score the quality of the included literature in the cohort and case-control studies, and the cross-sectional studies were scored using the American Agency for Health Care Quality and Research cross-sectional study quality evaluation criteria. The literature was screened independently by 2 researchers, and if there was no consensus, the inclusion was decided by a third party. The extraction content included first author, publication year, sample size, PTSD assessment tool, PTSD assessment time, PTSD incidence, influencing factors, and study type. Meta-analysis of data was performed using Stata17.0 software. RESULTS: Ten studies were included, including 2 cohort studies, 7 cross-sectional studies, and 1 case-control study, with a total sample size of 2371 patients, including 26 influencing factors. The results of meta-analysis showed that the prevalence of PTSD in patients with myocardial infarction was 21.2%. Statistically significant influencing factors were gender (odd ratio [OR] = 3.124), neuroticism score (OR = 2.069), and age (OR = 0.913). CONCLUSIONS: The prevalence of PTSD in patients with myocardial infarction in China is higher than that in other countries. Female and neurotic personality are risk factors for developing PTSD in patients with myocardial infarction, and old age is protective factor for developing PTSD in patients with myocardial infarction. Targeted measures should be taken to prevent and reduce the occurrence and development of PTSD in patients with myocardial infarction in the future.


Asunto(s)
Infarto del Miocardio , Trastornos por Estrés Postraumático , Femenino , Humanos , Estudios de Casos y Controles , Estudios Transversales , Infarto del Miocardio/epidemiología , Infarto del Miocardio/complicaciones , Factores de Riesgo , Trastornos por Estrés Postraumático/epidemiología , Trastornos por Estrés Postraumático/etiología , Masculino
15.
Zhonghua Yi Xue Yi Chuan Xue Za Zhi ; 30(4): 394-8, 2013 Aug.
Artículo en Zh | MEDLINE | ID: mdl-23926002

RESUMEN

OBJECTIVE: To clone an A3IP gene and investigate its cellular and histological localization based on previous research which has identified part of A3IP sequence interacting with carboxyl-terminal of ataxin-3. METHODS: Bioinformatic and Northern blotting were applied to clone the A3IP gene and detect the expression of its transcripts in various human tissues and brain regions. Western blotting and immunofluorescence staining were applied to detect expression of A3IP protein in cultured cells. Immunohistochemistry staining was applied to study the expression of A3IP protein in various human tissues and brain regions. RESULTS: cDNA cloning of A3IP gene's reading frame and its sequence assembly were completed. Three transcripts (1 kb, 1.35 kb and 6 kb, respectively) of A3IP were found to express in various human tissues and brain regions. A3IP pEGFP expresses in cytoplasm of cultured COS-7 cells and various human tissues and brain regions including cerebral cortex, cerebellum, muscle, peripheral nerve, liver and kidney. CONCLUSION: The cloned A3IP gene encodes A3IP, a novel ataxin-3 interacting protein. Three transcripts of A3IP are expressed in various human tissues and brain regions. A3IP is a cytosolic protein.


Asunto(s)
Proteínas Portadoras/metabolismo , Clonación Molecular , Proteínas del Tejido Nervioso/metabolismo , Proteínas Nucleares/metabolismo , Proteínas Represoras/metabolismo , Ataxina-3 , Secuencia de Bases , Proteínas Portadoras/genética , Humanos , Datos de Secuencia Molecular , Proteínas del Tejido Nervioso/genética , Proteínas Nucleares/genética , Unión Proteica , Transporte de Proteínas , Proteínas Represoras/genética
16.
Clin Cardiol ; 46(11): 1450-1457, 2023 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-37594292

RESUMEN

BACKGROUND: Cardiac rehabilitation (CR) is effective in reducing morbidity and mortality in patients with acute myocardial infarction (AMI), but the participation rate is low and its influencing factors vary. Our study aimed to systematically review the literature and investigate the participation rates and influencing factors of CR in patients with AMI. METHODS: We searched 10 databases, including PubMed, Web of Science, Cochrane Library, and so forth. A systematic review and meta-analysis were conducted on the studies on the factors affecting CR participation in AMI. The Q tests and the I2 tests were used to assess heterogeneity between studies. The combined effect size and odds ratio (OR) and their respective 95% confidence interval (CI) for CR participation rate and its influences are expressed, respectively. Stata 17.0 software was used for statistical analysis. RESULTS: We included 14 studies with 114 542 participants. Current evidence indicates a CR participation rate of 34% (95% CI: 21%-46%) in patients with AMI. The pooled OR values and CI of each influencing factor are as follows: over 60 years old (OR = 0.865; 95% CI: 0.772-0.969), male (OR = 1.690; 95% CI: 1.276-2.239), college education or above (OR = 2.526; 95% CI: 1.117-5.711), ST-segment elevation myocardial infarction (OR = 4.257; 95% CI: 2.004-9.045), decrease in left ventricular ejection fraction (OR = 0.918; 95% CI: 0.868-0.971), higher economic level (OR = 1.282; 95% CI: 1.108-1.483), history of coronary heart disease(OR = 0.667; 95% CI: 0.509-0.875), smoking (OR = 0.665; 95% CI: 0.550-0.805), combined hypertension (OR = 0.638; 95% CI: 0.562-0.723), and combined hyperlipidemia (OR = 0.577; 95% CI: 0.512-0.651). CONCLUSIONS: The overall participation rate of CR in AMI patients is low, and various factors affect the participation rate. Specialist medical staff are needed to further promote CR rehabilitation concepts and scientific knowledge, and take appropriate measures to address the influencing factors to increase CR utilization and improve patient prognosis.


Asunto(s)
Rehabilitación Cardiaca , Enfermedad Coronaria , Infarto del Miocardio , Humanos , Masculino , Persona de Mediana Edad , Volumen Sistólico , Función Ventricular Izquierda , Enfermedad Coronaria/complicaciones
17.
Medicine (Baltimore) ; 102(13): e33392, 2023 Mar 31.
Artículo en Inglés | MEDLINE | ID: mdl-37000103

RESUMEN

BACKGROUND: Caregivers of stroke patients have demanding caregiving tasks and roles, and they face multiple challenges and a variety of needs in their caregiving process. This study aimed to systematically integrate and evaluate qualitative research data to understand the care experiences of caregivers of stroke patients and to provide them with targeted assistance. METHODS: We critically assessed the study using the Joanna Briggs Institute Critical Assessment Checklist for Qualitative Research. Extraction, summarization and meta-synthesis of qualitative data. Qualitative studies related to this study were searched in PubMed, Web of Science, China National Knowledge Infrastructure, China Science and Technology Journal Database, China Biomedical Literature Database, and Wanfang Database by computer from the establishment of the database to February 2022. The method of tracing citations was used to find other articles that might be included to ensure the comprehensiveness of the search articles. RESULTS: A total of 11 studies, including 167 participants, were included, and 40 research results were extracted, summarized into 8 new categories, and formed 2 meta-themes. Meta-theme 1: Caregivers had emotional struggles during caregiving but were still able to provide compassion and care for patients through positive coping. Meta-theme 2: caregivers faced many difficulties in the care process and were eager for support. CONCLUSIONS: Caregiving is a long and heavy process. Society, medical institutions, and families should pay full attention to the feelings and needs of stroke caregivers in the care process and provide appropriate support for them.


Asunto(s)
Cuidadores , Empatía , Humanos , Cuidadores/psicología , Investigación Cualitativa , Adaptación Psicológica , Emociones
18.
Medicine (Baltimore) ; 102(48): e36185, 2023 Dec 01.
Artículo en Inglés | MEDLINE | ID: mdl-38050204

RESUMEN

This study aimed to investigate the level of self-quantification among patients with hypertension and identify the factors influencing this behavior. This study aimed to investigate self-quantification levels and identify influencing factors among 400 patients diagnosed with hypertension. Employing a convenience sampling method, the research was conducted across diverse healthcare settings, including a tertiary hospital, 2 community hospitals, 2 pension institutions, and 5 residential areas. Participants underwent assessment using a self-quantification scale. The collected data underwent thorough analysis using various statistical methods, including descriptive analysis for an overview, 2 independent samples t test for mean comparisons, one-way analysis of variance for variations among groups, and multiple linear regression analysis to identify influential factors. This robust methodology was applied to gain comprehensive insights into the self-quantification behaviors of patients with hypertension. The total self-quantification score for patients with hypertension was found to be (96.64 ±â€…14.16). The average value for all dimensions was (3.22 ± 0.47). Notably, medical insurance type, education level, age, and complications were identified as significant factors influencing self-quantification among patients with hypertension. The study concludes that patients without medical insurance, with lower education levels, older age, and no complications tended to have lower levels of self-quantification. These findings underscore the necessity for targeted interventions to improve self-quantification in these specific patient groups. By addressing the identified influencing factors, healthcare providers can implement measures to enhance self-quantification among patients with hypertension.


Asunto(s)
Hipertensión , Humanos , Estudios Transversales , Análisis de Regresión , Análisis Multivariante , Centros de Atención Terciaria
19.
J Huazhong Univ Sci Technolog Med Sci ; 32(6): 893-898, 2012 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-23271293

RESUMEN

Conditionally replication adenovirus M4, which was constructed in our lab, was proved to have good clinical application prospect for its good anti-tumor and anti-metastasis effect. However, clinically applying M4 faces many problems. One of the most important is the safety of M4. In this study, we investigated the safety of M4 by comparing with Adv-TK, which was proved to be safe in I-III phase clinical trials. M4 and Adv-TK were injected into mice via the tail vein separately, and the mice were sacrificed at the indicated time. Blood was collected for biochemical tests, the liver was harvested for hematoxylin and eosin (H&E) staining and viral quantification, and splenic lymphocytes were separated for adenovirus specific cellular immune response. Our results showed that M4 had no obvious effect on mouse general symptoms. A transient reversible infiltration of inflammatory cells in collect abbacy was only observed in M4 group, and a transient slight increase in Cr level was detected both after M4 and Adv-TK injection. The adenovirus specific cellular immune response induced by M4 was similar to that by Adv-TK, and the distribution and metabolism of M4 in the mouse liver were also similar to those of Adv-TK. It was concluded that conditionally replication adenovirus M4 had the same safety as Adv-TK. The study provides safety basis for the coming clinical trials of M4.


Asunto(s)
Adenoviridae/genética , Replicación Viral/genética , Animales , Línea Celular , Células HEK293 , Humanos , Ratones , Ratones Endogámicos BALB C
20.
Artículo en Inglés | MEDLINE | ID: mdl-35026397

RESUMEN

The drastic increase of microplastics (MPs) in aquatic environment has become a serious threat to marine and freshwater ecosystems. However, little information is available regarding the potential detrimental effects of polyvinyl chloride microplastics (PVC-MPs) on aquatic organisms. This study investigated the changes of reproduction parameters, oxidative stress and the expression of reproduction and detoxification-related genes in Daphnia magna after exposed to 2 ± 1 and 50 ± 10 µm PVC-MPs. The results showed that chronic exposure to 2 ± 1 µm PVC-MPs prolonged days to the first brood, increased total number of broods per female and frequency of molting per adult, decreased offspring number at first brood and total number of offspring per female in D. magna. Moreover, 2 ± 1 µm PVC-MPs also disturbed the activities of SOD and CAT, increased GSH and MDA levels. The expression of Vtg, SOD, CAT, CYP314 and CYP360A8 genes also exhibited different response patterns depending on exposure time. Furthermore, 50 ± 10 µm PVC-MPs decreased offspring at first brood and Vtg mRNA level, increased the transcription levels and activities of SOD and CAT. These results suggest that the presence of PVC-MPs in aquatic environment may cause reproduction toxicity by disrupting the reproduction and detoxification-related genes expression and inducing oxidative stress in D. magna.


Asunto(s)
Daphnia , Contaminantes Químicos del Agua , Animales , Daphnia/genética , Ecosistema , Femenino , Microplásticos , Estrés Oxidativo , Plásticos , Cloruro de Polivinilo/toxicidad , Reproducción , Contaminantes Químicos del Agua/análisis
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