Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 61
Filtrar
1.
Ecotoxicol Environ Saf ; 277: 116338, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38640799

RESUMO

Various phthalic acid esters (PAEs) such as dibutyl phthalate (DBP) and butyl benzyl phthalate (BBP) co-exist with nanopollutants in aquatic environment. In this study, Daphnia magna was exposed to nano-CuO and DBP or BBP at environmental relevant concentrations for 21-days to investigate these combined toxic effects. Acute EC50 values (48 h) of nano-CuO, DBP, and BBP were 12.572 mg/L, 8.978 mg/L, and 4.785 mg/L, respectively. Results showed that co-exposure with nano-CuO (500 µg/L) for 21 days significantly enhanced the toxicity of DBP (100 µg/L) and BBP (100 µg/L) to Daphnia magna by 18.37% and 18.11%, respectively. The activities of superoxide dismutase, catalase, and glutathione S-transferase were enhanced by 10.95% and 14.07%, 25.63% and 25.91%, and 39.93% and 35.01% in nano-CuO+DBP and nano-CuO+BBP treatments as compared to the individual exposure groups, verifying that antioxidative defense responses were activated. Furthermore, the co-exposure of nano-CuO and PAEs decreased the population richness and diversity microbiota, and changed the microbial community composition in Daphnia magna. Metabolomic analysis elucidated that nano-CuO + PAEs exposure induced stronger disturbance on metabolic network and molecular function, including amino acid, nucleotides, and lipid metabolism-related metabolic pathways, as comparison to PAEs single exposure treatments. In summary, the integration of physiological, microflora, and untargeted metabolomics analysis offers a fresh perspective into the potential ecological risk associated with nanopollutants and phthalate pollution in aquatic ecosystems.


Assuntos
Cobre , Daphnia magna , Dibutilftalato , Ácidos Ftálicos , Poluentes Químicos da Água , Animais , Cobre/toxicidade , Daphnia magna/efeitos dos fármacos , Dibutilftalato/toxicidade , Ésteres/toxicidade , Glutationa Transferase/metabolismo , Metaboloma/efeitos dos fármacos , Metabolômica , Nanopartículas Metálicas/toxicidade , Microbiota/efeitos dos fármacos , Estresse Oxidativo/efeitos dos fármacos , Ácidos Ftálicos/toxicidade , Superóxido Dismutase/metabolismo , Poluentes Químicos da Água/toxicidade
2.
J Clin Nurs ; 33(11): 4227-4253, 2024 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-39021041

RESUMO

AIM: To evaluate the effectiveness and safety of nutritional interventions (i.e. nutritional support, dietary patterns and dietary supplements) on cognitive function in cancer survivors. DESIGN: Systematic review. METHODS: A systematic and comprehensive search of PubMed, Web of Science, the Cochrane Library, Embase, and CINAHL was conducted from the inception until March 10, 2023. The last search was conducted on December 10, 2023. REPORTING METHOD: PRISMA. RESULTS: A total of 59 randomized controlled trials were included for analysis. Nutritional support, dietary patterns and dietary supplements improved cognitive function in cancer survivors with no apparent safety concerns. The anti-inflammatory diet, the fasting-mimicking diet and the web-based diet significantly improved cognitive function. Whereas the ketogenic diet or dietary advice to consume more soluble dietary fibres and less insoluble dietary fibres and lactose could not. There was evidence from dietary supplements to support the beneficial effects of polyunsaturated fatty acid supplements, traditional herbal medicines and other supplements. CONCLUSIONS: Nutritional interventions have great promise for improving cognitive function in adult cancer survivors. Further validation of the nutritional interventions supported in this study in other survivors and exploration of more effective nutritional interventions are needed. IMPLICATIONS FOR THE PROFESSION AND/OR PATIENT CARE: This work can support the construction of nutritional support interventions and dietary guidance programs to prevent cancer-related cognitive decline. IMPACT: This work filled a gap in preventive strategies for cancer-related cognitive decline from a nutritional perspective. Nutritional support, dietary patterns, and dietary supplements can prevent cancer-related cognitive decline without serious safety concerns. This work highlighted nutritional interventions that have the potential to improve cognitive function in cancer survivors, benefiting the further construction of evidence-based nutritional intervention programs. PROTOCOL REGISTRATION: PROSPERO. PATIENT OR PUBLIC CONTRIBUTION: No patient or public contribution.


Assuntos
Sobreviventes de Câncer , Suplementos Nutricionais , Neoplasias , Adulto , Humanos , Sobreviventes de Câncer/psicologia , Cognição , Disfunção Cognitiva/dietoterapia , Disfunção Cognitiva/etiologia , Disfunção Cognitiva/prevenção & controle , Neoplasias/dietoterapia , Neoplasias/psicologia , Neoplasias/complicações , Apoio Nutricional/métodos , Ensaios Clínicos Controlados Aleatórios como Assunto
3.
BMC Neurol ; 22(1): 332, 2022 Sep 03.
Artigo em Inglês | MEDLINE | ID: mdl-36057555

RESUMO

BACKGROUND: This study aimed to investigate the risk predictors for early neurological deterioration (END) in isolated acute pontine infarction without any causative artery stenosis. METHODS: In this retrospective study, patients with isolated acute pontine infarction within 72 h of symptom onset were enrolled between October 2017 and December 2021. END was defined as an increase in the National Institutes of Health Stroke Scale (NIHSS) score ≥ 2 points within the first week postadmission. Patients were divided into the END and the non-END groups. Multiple logistic regression analysis was used to evaluate independent predictors of END in patients with isolated acute pontine infarction. RESULTS: A total of 153 patients were included in the final study (62 females; mean age, 67.27 ± 11.35 years), of whom 28.7% (47 of 153) experienced END. Multiple logistic regression analyses showed that infarct volume (adjusted odds ratio [aOR], 1.003; 95% CI, 1.001-1.005; P = 0.002) and basilar artery branch disease  (aOR, 3.388; 95% CI, 1.102-10.417; P = 0.033) were associated with END. The combined ROC analysis of the infarct volume and basilar artery branch disease for predicting END showed that the sensitivity and specificity were 80.9% and 72.6%, respectively. CONCLUSION: Basilar artery branch disease and infarct volume were associated with END in acute isolated pontine infarction and may be useful prognostic factors for neurological progression.


Assuntos
Infartos do Tronco Encefálico , Acidente Vascular Cerebral , Idoso , Artérias , Infartos do Tronco Encefálico/complicações , Infartos do Tronco Encefálico/diagnóstico , Constrição Patológica , Feminino , Humanos , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Risco
4.
Int J Legal Med ; 135(4): 1213-1224, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-33594458

RESUMO

The human microbiome is expected to be a new and promising tool for classification of human epithelial materials. Vaginal fluids are one of the most common biological samples in forensic sexual assault cases, and its identification is crucial to accurately determine the nature of the case. With the development of molecular biology technologies, the concept of vaginal microflora in different physiological states, ethnic groups, and geography is constantly improved. In this study, we conducted high-throughput sequencing of the V3-V4 hypervariable regions of the 16S rRNA gene in vaginal samples from Henan, Guangdong, and Xinjiang populations, in an attempt to reveal more information about the vaginal microflora in different regions. The results showed that the bio-geographical factors might affect the relative abundance of some vaginal microflora, but there was no significant difference in the composition of dominant bacteria in the vagina, which was mainly composed of Lactobacillus and Gardnerella. However, prediction models based on the random forest algorithm suggested that we might be able to distinguish vaginal fluids from populations of different regions according to the species-level OTUs in low abundance. It is promising that microbiome-based methods could provide more personal information when being attempted to trace the origin of body fluids.


Assuntos
Genes de RNAr , Microbiota , RNA Ribossômico 16S/genética , Vagina/microbiologia , Algoritmos , Povo Asiático/genética , Bactérias/classificação , Bactérias/isolamento & purificação , Biomarcadores , Feminino , Sequenciamento de Nucleotídeos em Larga Escala , Humanos , Análise de Sequência de RNA
5.
Med Sci Monit ; 27: e929743, 2021 Mar 18.
Artigo em Inglês | MEDLINE | ID: mdl-33731666

RESUMO

BACKGROUND Premature labor is an important cause of infant death and long-term disability. This study aimed to explore the safety and effectiveness of combining the tocolytic agents atosiban and ritodrine to extend gestation. MATERIAL AND METHODS The study included 52 patients with late threatened abortion and threatened premature labor between 20°â¸7 and 336⸍7 weeks' gestation who were administrated continuous tocolytic agents for 48 h. Patients were divided into a research group receiving ritodrine combined with atosiban, owing to having no response to ritodrine alone (n=30), and a control group receiving ritodrine alone (n=22). The mean infusion rate and duration of tocolytic administration, gestation extension, pregnancy outcomes, and adverse effects were recorded. Routine blood tests, including C-reactive protein, and cultures for leukorrhea, candida, and mycoplasma were performed before and 1 week after treatment. RESULTS Patients receiving ritodrine with atosiban had a mean gestation extension of 42.53±31.70 days. The extension of gestation of the research group was statistically shorter than that of the control group (P<0.05). The fetal loss rate, newborn birth weight, and Apgar score at 1 min were similar between the 2 groups (all, P>0.05). The research group had a lower incidence of palpitations than the control group (P<0.05). CONCLUSIONS For patients with late threatened abortion or threatened premature labor not controlled with ritodrine alone, ritodrine combined with atosiban extends gestation and improves pregnancy outcomes. For patients with abnormal uterine contractions, routine testing for reproductive tract infection should be performed. When infection is present, anti-infective therapy should be administered.


Assuntos
Ameaça de Aborto/tratamento farmacológico , Trabalho de Parto Prematuro/tratamento farmacológico , Ritodrina/uso terapêutico , Vasotocina/análogos & derivados , Ameaça de Aborto/prevenção & controle , Adulto , Quimioterapia Combinada/métodos , Feminino , Idade Gestacional , Humanos , Recém-Nascido , Trabalho de Parto Prematuro/prevenção & controle , Gravidez , Resultado da Gravidez , Ritodrina/metabolismo , Tocolíticos/efeitos adversos , Tocolíticos/uso terapêutico , Vasotocina/metabolismo , Vasotocina/uso terapêutico
6.
Clin Lab ; 66(1)2020 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-32013361

RESUMO

BACKGROUND: Tetrasomy 18p is a rare disorder. It is known to affect about 250 families worldwide. Tetrasomy 18p is also the most common type of isochromosome. Here we report a de novo tetrasomy 18p. METHODS: The copy number variation of the patient was detected by microarray. Whether the abnormal gene was inherited from the parents was detected by karyotype analysis. Then the source of the chromosome was located by fluorescence in situ hybridization. Finally, we used MLPA technology to validate the results of patient testing. RESULTS: Microarray detection found that patients with 18p11.32p11.21 had duplication, with a copy number of four, which was tetrasomy 18 syndrome. The karyotype results showed 48,XY,+2mar?. Chromosome 18 telomere probe FISH experimental results: 48,XY,+i(18)(p10),+mar.ish. MLPA results showed that the number of chromosome 18 short arm copies is increased. Karyotype analysis results of his mother were 47,XX,+mar. Microarray results showed normal. Karyotype results of his father were normal. CONCLUSIONS: This case is de novo case, the patient's marker chromosome may be inherited from his mother, which does not rule out the influence of his mother's marker chromosome on his isochromosome 18.


Assuntos
Aneuploidia , Cariótipo Anormal , Pré-Escolar , Cromossomos Humanos Par 18 , Hibridização Genômica Comparativa , Análise Citogenética , Humanos , Masculino
7.
Entropy (Basel) ; 20(6)2018 May 31.
Artigo em Inglês | MEDLINE | ID: mdl-33265510

RESUMO

Protection based on transient information is the primary protection of high voltage direct current (HVDC) transmission systems. As a major part of protection function, accurate identification of transient surges is quite crucial to ensure the performance and accuracy of protection algorithms. Recognition of transient surges in an HVDC system faces two challenges: signal distortion and small number of samples. Entropy, which is stable in representing frequency distribution features, and support vector machine (SVM), which is good at dealing with samples with limited numbers, are adopted and combined in this paper to solve the transient recognition problems. Three commonly detected transient surges-single-pole-to-ground fault (GF), lightning fault (LF), and lightning disturbance (LD)-are simulated in various scenarios and recognized with the proposed method. The proposed method is proved to be effective in both feature extraction and type classification and shows great potential in protection applications.

8.
Med Sci Monit ; 21: 1051-6, 2015 Apr 11.
Artigo em Inglês | MEDLINE | ID: mdl-25862335

RESUMO

BACKGROUND: The association between plasminogen activator inhibitor-1 (PAI-1) 4G/5G polymorphism and recurrent pregnancy loss (RPL) risk is still contradictory. We thus performed a meta-analysis. MATERIAL AND METHODS: Relevant studies were searched for in PubMed, Web of Science, Embase, and Cochrane Library. An odds ratio (OR) with a 95% confidence interval (CI) was used to assess the association between PAI-1 4G/5G polymorphism and RPL risk. RESULTS: A total of 22 studies with 4306 cases and 3076 controls were included in this meta-analysis. We found that PAI-1 4G/5G polymorphism was significantly associated with an increased RPL risk (OR=1.89; 95% CI 1.34-2.67; P=0.0003). In the subgroup analysis by race, PAI-1 4G/5G polymorphism was significantly associated with an increased RPL risk in Caucasians (OR=2.23; 95% CI 1.44-3.46; P=0.0003). However, no significant association was observed in Asians (OR=1.47; 95% CI 0.84-2.59; P=0.18). CONCLUSIONS: In conclusion, this meta-analysis suggests that PAI-1 4G/5G polymorphism might be associated with RPL development in Caucasians.


Assuntos
Aborto Habitual/genética , Estudos de Associação Genética , Predisposição Genética para Doença , Inibidor 1 de Ativador de Plasminogênio/genética , Polimorfismo de Nucleotídeo Único/genética , Feminino , Humanos , Gravidez , Viés de Publicação , Fatores de Risco
9.
Med Sci Monit ; 21: 1395-401, 2015 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-25975832

RESUMO

The aim of this study was to evaluate the effectiveness and safety of emergency cervical cerclage in women with advanced cervical dilatation and bulging of fetal membranes. The study included 158 women who underwent emergency cervical cerclage because of cervix dilatation and protruding membranes in mid-trimester at Sun Yat-sen Memorial Hospital of Sun Yat-sen University. Pregnancy outcomes and pregnancy outcome related to clinical features were analyzed retrospectively. Analysis revealed that the placement of emergency cerclage led to the delivery of live infants with a success rate of 82.28%. The mean interval between cerclage and delivery was 52.16.±26.62 days, with a mean gestation at delivery of 30.3±4.7 weeks and a mean birth weight of 1934.69±570.37 g. No severe maternal complications such as maternal death, hematosepsis, and hysterorrhexis occurred after the operation. Two women (1.25%) had laceration of the cervix, 1 woman (0.61%) suffered pulmonary edema, and 2 women (1.25%) developed deep vein thrombosis (DVT). There were significant correlations between the pregnancy outcome and risk factors, including any presenting symptoms, cervical dilatation, postoperative white blood cell count, and C-reactive protein (CRP) value. No significant difference was found in women with good vs. poor outcome in terms of maternal age and obstetric histories. Emergency cervical cerclage is effective in prolonging pregnancy and improving neonatal outcome in women with cervical incompetence. It should be considered a viable option for women with a dilated cervix in mid-trimester.


Assuntos
Cerclagem Cervical , Incompetência do Colo do Útero/cirurgia , Adulto , Antibioticoprofilaxia , Peso ao Nascer , Proteína C-Reativa/análise , Emergências , Feminino , Idade Gestacional , Humanos , Recém-Nascido , Contagem de Leucócitos , Trabalho de Parto Prematuro/prevenção & controle , Medicação Pré-Anestésica , Gravidez , Complicações na Gravidez/epidemiologia , Resultado da Gravidez , Segundo Trimestre da Gravidez , Edema Pulmonar/epidemiologia , Estudos Retrospectivos , Tromboflebite/epidemiologia , Tocolíticos/administração & dosagem , Resultado do Tratamento , Adulto Jovem
10.
Am J Perinatol ; 32(1): 15-22, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-24705969

RESUMO

OBJECTIVE: The objective of this study was to compare the frequency and distribution of chromosomal abnormalities with different crown-rump length (CRL) and maternal serum human chorionic gonadotropin (HCG) levels in early miscarriages. STUDY DESIGN: Pregnancies in which a miscarriage occurred at ≤ 12 weeks' gestation and received karyotyping of chorionic villus after curettage from January 2008 to December 2011 were included in this retrospective study. The frequency and distribution of chromosomal anomalies with different CRLs and HCG levels were compared. RESULTS: A total of 183 miscarriages were included. The mean maternal age was 32.8 ± 4.6 years, and 37.2% of the subjects were ≥ 35 years of age. Among the 183 miscarriages, 74 (40.4%) cases had a normal karyotype, while 109 (59.6%) were abnormal. Maternal age ≥ 35 years, absence of a history of recurrent miscarriage, and CRL ≥ 15 mm were associated with an abnormal karyotype (p < 0.05). A CRL < 15 mm was associated with other autosomal trisomies (57.7%) and structural abnormalities (11.5%), and a CRL ≥ 15 mm was associated with monosomies (38.7%), triploidies (29%), and viable autosomal trisomies (12.9%). CONCLUSIONS: The frequency and distribution of abnormal karyotypes is different when the CRL is ≥ 15 or < 15 mm at the time of miscarriage.


Assuntos
Aborto Espontâneo/epidemiologia , Gonadotropina Coriônica/sangue , Aberrações Cromossômicas/estatística & dados numéricos , Estatura Cabeça-Cóccix , Cariótipo , Adulto , Feminino , Humanos , Idade Materna , Monossomia , Gravidez , Primeiro Trimestre da Gravidez , Trissomia
11.
Arch Gynecol Obstet ; 291(6): 1221-7, 2015 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-25408273

RESUMO

PURPOSE: To compare a double-balloon catheter and dinoprostone vaginal insert for induction of labor with an unfavorable cervix. METHODS: Patients with a Bishop score of ≤6 requiring labor induction at term received either a double-balloon catheter or a dinoprostone vaginal insert. The primary outcome was vaginal delivery rate within 24 h, and the secondary outcome was cesarean section rate. RESULTS: A total of 155 women were included; 76 received induction with a double-balloon catheter and 79 with the dinoprostone vaginal insert. The groups were similar with respect to maternal age, body mass index, gravidity, parity, baseline Bishop score, and indications for induction. Gestational age at induction was similar between the groups (double balloon 40.52 ± 0.86 weeks; dinoprostone 40.60 ± 0.79 weeks, P = 0.516). There was no difference in the vaginal delivery rate within 24 h (50 vs. 53.2 %, P = 0.694) or the cesarean section rate (39.5 vs. 31.6 %, P = 0.185) between the groups. More patients in the double-balloon catheter group required oxytocin administration than in the dinoprostone group (75 vs. 31.65 %, respectively, P < 0.001), but uterine hyperstimulation was less frequent in the double-balloon catheter group (0 vs. 10.1 %, respectively, P = 0.007). Neonatal outcomes were similar between the groups. CONCLUSION: Double-balloon catheter and dinoprostone vaginal insert are associated with similar vaginal delivery and cesarean section rates and neonatal outcomes.


Assuntos
Cateterismo/métodos , Dinoprostona/administração & dosagem , Trabalho de Parto Induzido/métodos , Ocitocina/administração & dosagem , Administração Intravaginal , Adulto , Colo do Útero/efeitos dos fármacos , Cesárea/estatística & dados numéricos , Parto Obstétrico , Feminino , Idade Gestacional , Humanos , Trabalho de Parto/efeitos dos fármacos , Ocitócicos/administração & dosagem , Paridade , Gravidez , Estudos Prospectivos , Adulto Jovem
12.
Clin Exp Obstet Gynecol ; 42(4): 490-4, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26411217

RESUMO

AIMS: The objective of this study was to compare the frequencies of the presence of an embryonic pole and cardiac activity in miscarriages with normal and abnormal embryonic karyotypes. MATERIALS AND METHODS: From January 2008 to December 2012, 405 patients with early miscarriage were evaluated during pregnancy by regular ultrasound, and karyotyping was performed on chorionic villus tissue after curettage. The frequencies of the presence of an embryonic pole and cardiac activity were compared between patients with a normal embryonic karyotype and patients with an abnormal embryonic karyotype. RESULTS: Of the 405 samples, 224 cases (55.3%) had an abnormal karyotype, and 181 cases (44.7%) had a normal karyotype. The frequencies of the presence of an embryonic pole and cardiac activity in miscarriages with normal embryonic chromosomes (71.8% and 57.5%, respectively) were similar to those of miscarriages with abnormal embryonic chromosomes (74.1% and 62.1%, respectively). The frequencies of the presence of an embryonic pole and cardiac activity were higher in miscarriages with viable autosomal trisomies (trisomies 21, 13, and 18), monosomy X, and triploidy than in miscarriages with a normal karyotype or other abnormal karyotypes. CONCLUSIONS: The frequencies of the presence of an embryonic pole and cardiac activity are higher in miscarriages with viable autosomal trisomies, monosomy X, and triploidy than in miscarriages with a normal karyotype or other abnormal karyotypes.


Assuntos
Cariótipo Anormal/estatística & dados numéricos , Aborto Espontâneo , Anormalidades Congênitas/diagnóstico por imagem , Adulto , China , Feminino , Idade Gestacional , Humanos , Cariotipagem , Pessoa de Meia-Idade , Gravidez , Estudos Retrospectivos , Ultrassonografia Pré-Natal , Adulto Jovem
13.
BMC Pregnancy Childbirth ; 14: 160, 2014 May 06.
Artigo em Inglês | MEDLINE | ID: mdl-24886438

RESUMO

BACKGROUND: Water immersion during the first stage of labor can reduce the length of the first stage and epidural/spinal analgesia use; however, there is limited information regarding other outcomes. Our purpose was to compare maternal and neonatal outcomes of women who underwent water immersion during the first stage of labor with those who underwent conventional labor and delivery. METHODS: Healthy primipara with singleton pregnancies and cephalic presentation were included in the study. Patients were allowed to choose water immersion during labor or conventional labor and delivery. For water immersion, the water temperature was maintained at 35-38°C and subjects left the tub on complete cervical dilatation. A visual analogue scale (VAS) was used to assess pain during labor. Other outcome measures included duration of labor, type of delivery, blood loss, pelvic floor dysfunction and symptoms of stress urinary incontinence (SUI) at 42 days after delivery, infant Apgar scores, and need for transfer of the infant to the neonatal intensive care unit. RESULTS: Thirty eight subjects (mean age, 28.66 ± 3.08 y) received water immersion and 70 (mean age, 27.89 ± 2.99 y) underwent conventional labor and delivery. There were no differences in maternal height, weight, age, gestational age, gravidity, and newborn weight between the groups (all, p>0.05). VAS pain scores were significantly greater in the conventional labor group at 30 min and 60 min after a cervical dilatation of 3 cm (30 min: 10 [9, 10] vs. 6 [5, 8]; 60 min: 10 [10, 10] vs. 7 [6, 8], respectively, both, p<0.001). The duration of labor and postpartum bleeding were similar between the groups (all, p>0.05). The cesarean section rate was higher in the conventional labor group (32.9% vs. 13.2%, p=0.026). The 1-minute and 5-minute Apgar scores were similar between the groups. Maternal and neonatal culture results were similar between the groups. SUI symptoms at 42 days after delivery was significantly higher in the conventional labor group (25.5% vs. 6.1%, respectively, p=0.035). CONCLUSIONS: Water immersion can reduce labor pain, and is associated with a lower rate of cesarean delivery and SUI symptoms at 42 days.


Assuntos
Parto Obstétrico/métodos , Imersão , Dor do Parto , Primeira Fase do Trabalho de Parto , Parto Normal/métodos , Adulto , Índice de Apgar , Infecções Bacterianas/microbiologia , Cesárea , Feminino , Humanos , Imersão/efeitos adversos , Recém-Nascido , Terapia Intensiva Neonatal , Parto Normal/efeitos adversos , Medição da Dor , Satisfação do Paciente , Distúrbios do Assoalho Pélvico/etiologia , Hemorragia Pós-Parto/etiologia , Gravidez , Fatores de Tempo , Incontinência Urinária por Estresse/etiologia , Água , Adulto Jovem
14.
Brain Behav ; 14(5): e3509, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38779748

RESUMO

OBJECTIVE: The purpose of this study was to investigate the predictive value of mean platelet volume (MPV) and platelet count (PC) in branch atheromatous disease (BAD). METHODS: This retrospective study included 216 patients with BAD-stroke within 48 h of symptom onset. These patients were divided into good and poor prognosis groups according to their 3-month modified Rankin scale scores after discharge. Multiple logistic regression analysis was used to evaluate independent predictors of poor prognosis in BAD-stroke patients. Receiver-operating characteristic (ROC) analysis was used to estimate the predictive value of MPV and PC on BAD-stroke. RESULTS: Our research showed that a higher MPV (aOR, 2.926; 95% CI, 2.040-4.196; p < .001) and PC (aOR, 1.013; 95% CI, 1.005-1.020; p = .001) were independently associated with poor prognosis after adjustment for confounders. The ROC analysis of MPV for predicting poor prognosis showed that the sensitivity and specificity were 74% and 84.9%, respectively, and that the AUC was .843 (95% CI, .776-.909, p < .001). The optimal cut-off value was 12.35. The incidence of early neurological deterioration (END) was 24.5% (53 of 163), and 66% of patients in the poor prognosis group had END (33 of 50). Multiple logistic regression analyses showed that elevated MPV and PC were associated with the occurrence of END (p < .05). CONCLUSION: Our results suggested that an elevated MPV and PC may be important in predicting a worse outcome in BAD-stroke patients. Our study also demonstrated an independent association of MPV and PC with END, which is presumably the main reason for the poor prognosis.


Assuntos
Volume Plaquetário Médio , Humanos , Masculino , Feminino , Prognóstico , Estudos Retrospectivos , Pessoa de Meia-Idade , Idoso , Contagem de Plaquetas , Acidente Vascular Cerebral/sangue , Placa Aterosclerótica/sangue
15.
ACS Nano ; 18(10): 7379-7390, 2024 Mar 12.
Artigo em Inglês | MEDLINE | ID: mdl-38411928

RESUMO

La2O3 nanoparticles (NPs) have shown great potential in agriculture, but cracking of plant sensitive tissue could occur during application, resulting in a poor appearance, facilitating entry for insects and fungi, and increasing economic losses. Herein, exocarp cracking mechanisms of tomato (Solanum lycopersicum L.) fruit in response to La2O3 NPs were investigated. Tomato plants were exposed to La2O3 NPs (0-40 mg/L, 90 days) by a split-root system under greenhouse condition. La2O3 NPs with high concentrations (25 and 40 mg/L) increased the obvious cracking of the fruit exocarp by 20.0 and 22.7%, respectively. After exposure to 25 mg/L La2O3 NPs, decreased thickness of the cuticle and cell wall and lower wax crystallization patterns of tomato fruit exocarp were observed. Biomechanical properties (e.g., firmness and stiffness) of fruit exocarp were decreased by 34.7 and 25.9%, respectively. RNA-sequencing revealed that the thinner cuticle was caused by the downregulation of cuticle biosynthesis related genes; pectin remodeling, including the reduction in homogalacturonan (e.g., LOC101264880) and rhamnose (e.g., LOC101248505), was responsible for the thinner cell wall. Additionally, genes related to water and abscisic acid homeostasis were significantly upregulated, causing the increases of water and soluble solid content of fruit and elevated fruit inner pressure. Therefore, the thinner fruit cuticle and cell wall combined with the higher inner pressure caused fruit cracking. This study improves our understanding of nanomaterials on important agricultural crops, including the structural reconstruction of fruit exocarp contributing to NPs-induced cracking at the molecular level.


Assuntos
Lantânio , Nanopartículas , Óxidos , Solanum lycopersicum , Solanum lycopersicum/genética , Frutas/genética , Água
16.
Exp Mol Pathol ; 94(1): 160-7, 2013 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-23103612

RESUMO

The ability of rat hepatic sinusoidal endothelial cells (HSEC) to become activated in response to diverse inflammatory stimuli was analyzed. Whereas the classical macrophage activators, IFNγ and/or LPS upregulated expression of iNOS in HSEC, the alternative macrophage activators, IL-10 or IL-4+IL-13 upregulated arginase-1 and mannose receptor. Similar upregulation of iNOS and arginase-1 was observed in classically and alternatively activated Kupffer cells, respectively. Removal of inducing stimuli from the cells had no effect on expression of these markers, demonstrating that activation is persistent. Washing and incubation of IFNγ treated cells with IL-4+IL-13 resulted in decreased iNOS and increased arginase-1 expression, while washing and incubation of IL-4+IL-13 treated cells with IFNγ resulted in decreased arginase-1 and increased iNOS, indicating that classical and alternative activation of the cells is reversible. HSEC were more sensitive to phenotypic switching than Kupffer cells, suggesting greater functional plasticity. Hepatocyte viability and expression of PCNA, ß-catenin and MMP-9 increased in the presence of alternatively activated HSEC. In contrast, the viability of hepatocytes pretreated for 2 h with 5 mM acetaminophen decreased in the presence of classically activated HSEC. These data demonstrate that activated HSEC can modulate hepatocyte responses following injury. The ability of hepatocytes to activate HSEC was also investigated. Co-culture of HSEC with acetaminophen-injured hepatocytes, but not control hepatocytes, increased the sensitivity of HSEC to classical and alternative activating stimuli. The capacity of HSEC to respond to phenotypic activators may represent an important mechanism by which they participate in inflammatory responses associated with hepatotoxicity.


Assuntos
Células Endoteliais/fisiologia , Hepatócitos/fisiologia , Células de Kupffer/fisiologia , Fígado/citologia , Fígado/metabolismo , Ativação de Macrófagos , Acetaminofen/farmacologia , Animais , Arginase/biossíntese , Células Cultivadas , Técnicas de Cocultura , Células Endoteliais/efeitos dos fármacos , Hepatócitos/efeitos dos fármacos , Inflamação , Interferon gama/farmacologia , Interleucina-10/farmacologia , Interleucina-13/farmacologia , Interleucina-4/farmacologia , Células de Kupffer/efeitos dos fármacos , Lectinas Tipo C/biossíntese , Lipopolissacarídeos/farmacologia , Fígado/efeitos dos fármacos , Masculino , Receptor de Manose , Lectinas de Ligação a Manose/biossíntese , Metaloproteinase 9 da Matriz/biossíntese , Óxido Nítrico Sintase Tipo II/biossíntese , Antígeno Nuclear de Célula em Proliferação/biossíntese , Ratos , Ratos Sprague-Dawley , Receptores de Superfície Celular/biossíntese , beta Catenina/biossíntese
17.
Front Psychiatry ; 14: 1166273, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37469357

RESUMO

Objectives: To investigate the associations between risk factors and depression symptoms in ischemic stroke (IS) survivors and the effect of IS survivors' depression status and functional outcomes on caregiver burden in Chengdu, China. Methods: In this cross-sectional study, we recruited a convenience sample of patients with IS and paired caregivers living in Chengdu from February 2022 to May 2022. Depression symptoms were assessed using the 17-item Chinese Hamilton Depression Rating Scale, the social support of patients was assessed using the perceived social support scale (PSSS), caregiver burden was assessed using the Zarit burden interview (ZBI). Multivariable logistic regression analysis was used to analyze the data between risk factors and depression symptoms, and multiple linear regression models were constructed to examine the depression symptoms and functional outcomes of stroke survivors, and caregiver burden. Results: In total, 966 IS survivors and paired caregivers were included in this study. Among IS survivors, 35.51% (343/966) experienced depression. Age [adjusted odds ratio (aOR), 1.02; 95% confidence interval (CI), 1.00-1.04; p = 0.036], the National Institutes of Health Stroke Scale (NIHSS) score (aOR, 1.57; 95% CI, 1.47-1.68; p < 0.001), and PSSS score (aOR, 0.86; 95% CI, 0.84-0.89; p < 0.001) were associated with an increased risk of depression. The NIHSS score (b = 2.57, p < 0.001), patients' depression status (b = 2.54, p < 0.001), duration of care (b = 0.359, p = 0.006), and social support of caregivers (b = -0.894, p = 0.038) were significantly associated with the ZBI score. Conclusion: The PSSS score was a major risk factor for the development of depression in IS survivors, and patients' depression status and severe functional deficits had a negative impact on the ZBI score of the main caregivers. Social support can reduce the ZBI score.

18.
Front Neurol ; 14: 1098141, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36741280

RESUMO

Background and objective: Branch atheromatous disease (BAD) makes patients prone to early neurological deterioration (END), resulting in poor prognosis. The aim of this study was to investigate the association between SUA/SCr and END in BAD stroke patients. Methods: We conducted a retrospective study that included 241 patients with BAD-stroke within 48 h of symptom onset. We divided the patients into the END group and the no END group. END was defined as an NIHSS score increase of more than 2 points within 1 week. SUA/SCr was calculated by the concentration of serum uric acid and creatine (serum uric acid/serum creatine) on admission. Univariate and multivariate analyses were used to identify independent predictors of END in BAD-stroke patients. Results: END was observed in 24.1% (58/241) of the patients in our study. Multiple logistic regression analyses showed that SUA/SCr (aOR, 0.716; 95% CI, 0.538-0.952; P = 0.022) and female sex (aOR, 0.469; 95% CI, 0.245-0.898; P = 0.022) were associated with END after adjusting for confounding factors. The predicted value of SUA/Scr for END was a sensitivity of 79.3%, a specificity of 44.8%, and an AUC of 0.609 (95% CI, 0.527-0.691, P < 0.05). The optimal cut-off value was 4.76. Conclusion: SUA/SCr was negatively associated with the risk of END in BAD stroke patients.

19.
Sci Total Environ ; 905: 167036, 2023 Dec 20.
Artigo em Inglês | MEDLINE | ID: mdl-37709098

RESUMO

Phthalic acid esters (PAEs) and TiO2 nanomaterials (nTiO2) are commonly used as plastic additives, nano-fertilizers or nano-pesticides. Their excessive co-applications led to the co-occurrence, which can induce damage to soil organisms such as Metaphire guillelmi (an earthworm widespread in farmland). However, the co-exposure effects of butyl benzyl phthalate (BBP, a typical PAEs) and nTiO2 on Metaphire guillelmi at environmental-relevant concentrations remain unclear. In this study, 1 mg kg-1 BBP and 1 mg kg-1 nTiO2 (anatase) were added into the soil to assess: (1) their effects on oxidative damage, digestive system, and neurotoxicity in Metaphire guillelmi gut on days 14 and 28; and (2) whether BBP and nTiO2 affected Metaphire guillelmi gut health by disrupting intestinal microorganisms. The results demonstrated that BBP and nTiO2 had the potential to inhibit the activity of superoxide dismutase, cellulase, protease, Na+K+-ATPase, and Ca2+-ATPase, as well as cause oxidative damage by altering intestinal bacteria such as Marmoricola and Microvirga at genus levels after 28 d-exposure. However, the exposure did not cause disorders of the intestinal bacteria. The present study provides more evidence for the sustainable application and scientific management of BBP and nTiO2, thus providing better guidance for PAEs and engineered nanomaterials regulations in agroecosystems.


Assuntos
Oligoquetos , Ácidos Ftálicos , Poluentes do Solo , Animais , Poluentes do Solo/toxicidade , Poluentes do Solo/análise , Ácidos Ftálicos/toxicidade , Solo , Adenosina Trifosfatases , Ésteres , Dibutilftalato
20.
ACS Nano ; 17(16): 15821-15835, 2023 08 22.
Artigo em Inglês | MEDLINE | ID: mdl-37553292

RESUMO

In the current study, foliar spray with lanthanum (La) based nanomaterials (La10Si6O27 nanorods, La10Si6O27 nanoparticle, La(OH)3 nanorods, and La2O3 nanoparticle) suppressed the occurrence of sheath blight (Rhizoctonia solani) in rice. The beneficial effects were morphology-, composition-, and concentration-dependent. Foliar application of La10Si6O27 nanorods (100 mg/L) yielded the greatest disease suppression, significantly decreasing the disease severity by 62.4% compared with infected controls; this level of control was 2.7-fold greater than the commercially available pesticide (Thifluzamide). The order of efficacy was as follows: La10Si6O27 nanorods > La10Si6O27 nanoparticle > La(OH)3 nanorods > La2O3 nanoparticle. Mechanistically, (1) La10Si6O27 nanorods had greater bioavailability, slower dissolution, and simultaneous Si nutrient benefits; (2) transcriptomic and metabolomic analyses revealed that La10Si6O27 nanorods simultaneously strengthened rice systemic acquired resistance, physical barrier formation, and antioxidative systems. Additionally, La10Si6O27 nanorods improved rice yield by 35.4% and promoted the nutritional quality of the seeds as compared with the Thifluzamide treatment. A two-year La10Si6O27 nanorod exposure had no effect on soil health based on the evaluated chemical, physical, and biological soil properties. These findings demonstrate that La based nanomaterials can serve as an effective and sustainable strategy to safeguard crops and highlight the importance of nanomaterial composition and morphology in terms of optimizing benefit.


Assuntos
Nanoestruturas , Oryza , Solo , Lantânio/farmacologia , Oryza/química , Silicatos , Doenças das Plantas/prevenção & controle
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA