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1.
Immunology ; 173(2): 394-407, 2024 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-39005140

RESUMO

Inflammatory bowel disease (IBD) and food allergy (FA) increase in tandem, but the potential impact of IBD on FA remains unclear. We sought to determine the role of IBD on FA. We first assessed the changes of FA-related risk factors in dextran sulphate sodium salt (DSS) induced colitis mice model. Then, we evaluated the role of IBD on FA in mice. FA responses were determined using a clinical allergy score, body temperature change, serum antibody levels, cytokines level and mouse mast cell protease 1 (MMCP-1) concentration. Accumulation of regulatory T cells was tested using flow cytometry. Intestinal changes were identified by histology, immunohistochemistry, gene expression and gut microbial community structure. In DSS-induced colitis mice model, we found the intestinal damage, colonic neutrophil infiltration, and downregulation of splenic Th2 cytokines and Tregs in mesenteric lymph nodes (MLN). Moreover, we also found that IBD can alleviate the FA symptoms and lead to the significant downregulation of Th2 cytokines, serum IgE and MMCP-1. However, IBD exacerbates intestinal injury and promotes the gene expression levels of IL-33 and IL-5 in the small intestine, damages the intestinal tissue structure and aggravates intestinal dysbiosis in FA. IBD functions as a double-edged sword in FA. From the perspective of clinical symptoms and humoral immune responses, IBD can reduce FA response by downregulating Th2 cytokines. But from the perspective of the intestinal immune system, IBD potentially disrupts intestinal tolerance to food antigens by damaging intestinal tissue structure and causing intestinal dysbiosis.


Assuntos
Sulfato de Dextrana , Modelos Animais de Doenças , Hipersensibilidade Alimentar , Microbioma Gastrointestinal , Doenças Inflamatórias Intestinais , Camundongos Endogâmicos BALB C , Linfócitos T Reguladores , Animais , Hipersensibilidade Alimentar/imunologia , Hipersensibilidade Alimentar/patologia , Camundongos , Doenças Inflamatórias Intestinais/imunologia , Doenças Inflamatórias Intestinais/patologia , Linfócitos T Reguladores/imunologia , Microbioma Gastrointestinal/imunologia , Citocinas/metabolismo , Colite/imunologia , Colite/induzido quimicamente , Colite/patologia , Quimases/metabolismo , Disbiose/imunologia , Imunoglobulina E/sangue , Imunoglobulina E/imunologia , Células Th2/imunologia , Feminino
2.
Immunology ; 2024 Sep 30.
Artigo em Inglês | MEDLINE | ID: mdl-39344356

RESUMO

What infants eat early in life may shape the immune system and have long-standing consequences on the health of the host during later life. In the early months post-birth, breast milk serves as the exclusive and optimal nourishment for infants, facilitating crucial molecular exchanges between mother and infant. Recent advances have uncovered that some maternal factors influence breastfed infant outcomes, including the risk of food allergy (FA). To date, accumulated data show that breastfed infants have a lower risk of FA. However, the issue remains disputed, some reported preventive allergy effects, while others did not confirm such effects, or if identified, protective effects were limited to early childhood. The disputed outcomes may be attributed to the maternal status, as it determines the compounds of the breast milk that breastfed infants are exposed to. In this review, we first detail the compounds in breast milk and their roles in infant FA. Then, we present maternal factors resulting in alterations in breast milk compounds, such as maternal health status, maternal diet intake, and maternal food allergen intake, which subsequently impact FA in breastfed infants. Finally, we analyze how these compounds in breast milk alleviated the infant FA by mother-to-infant transmission. Altogether, the mechanisms are primarily linked to the synergetic and direct effects of compounds in breast milk, via promoting the colonization of gut microbiota and the development of the immune system in infants.

3.
Planta ; 258(1): 21, 2023 Jun 16.
Artigo em Inglês | MEDLINE | ID: mdl-37326883

RESUMO

MAIN CONCLUSION: BrSOC1b may promote early flowering of Chinese cabbage by acting on BrAGL9 a, BrAGL9 b, BrAGL2 and BrAGL8 proteins. SOC1 is a flowering signal integrator that acts as a key regulator in controlling plant flowering time. This study focuses on the cloning of the open reading frame of SOC1b (BrSOC1b, Gene ID: Bra000393) gene, and analyzes its structure and phylogenetic relationships. Additionally, various techniques such as vector construction, transgenic technology, virus-induced gene silencing technology, and protein interaction technology were employed to investigate the function of the BrSOC1b gene and its interactions with other proteins. The results indicate that BrSOC1b consists of 642 bp and encodes 213 amino acids. It contains conserved domains such as the MADS domain, K (keratin-like) domain, and SOC1 box. The phylogenetic analysis reveals that BrSOC1b shares the closest homology with BjSOC1 from Brassica juncea. Tissue localization analysis demonstrates that BrSOC1b exhibits the highest expression in the stem during the seedling stage and the highest expression in flowers during the early stage of pod formation. Sub-cellular localization analysis reveals that BrSOC1b is localized in the nucleus and plasma membrane. Furthermore, through genetic transformation of the BrSOC1b gene, it was observed that Arabidopsis thaliana plants expressing BrSOC1b flowered earlier and bolted earlier than wild-type plants. Conversely, Chinese cabbage plants with silenced BrSOC1b exhibited delayed bolting and flowering compared to the control plants. These findings indicate that BrSOC1b promotes early flowering in Chinese cabbage. Yeast two-hybrid and quantitative real-time PCR (qRT-PCR) analyses suggest that BrSOC1b may participate in the regulation of flowering by interacting with BrAGL9a, BrAGL9b, BrAGL2, and BrAGL8 proteins. Overall, this research holds significant implications for the analysis of key genes involved in regulating bolting and flowering in Chinese cabbage, as well as for enhancing germplasm innovation in Chinese cabbage breeding.


Assuntos
Proteínas de Arabidopsis , Arabidopsis , Filogenia , Melhoramento Vegetal , Proteínas de Arabidopsis/metabolismo , Arabidopsis/genética , Flores/metabolismo , Mostardeira/genética , Regulação da Expressão Gênica de Plantas , Proteínas de Plantas/genética , Proteínas de Plantas/metabolismo , Proteínas de Domínio MADS/metabolismo
4.
Mol Biol Rep ; 50(8): 6851-6861, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37392282

RESUMO

BACKGROUND: Gardenia jasminoides Ellis is a perennial evergreen shrub of G. jasminoides of Rubiaceae. Geniposide and Crocin are important components in the fruit of G. jasminoides. In addition to being used as medicinal materials, they are also widely used in food, medicine, cosmetics, and other fields. They have high medicinal value, economic value, and ornamental value. However, at present, the utilization rate of G. jasminoides resources is low, mainly focused on germplasm cultivation, primary processing, and clinical pharmacology, and there are few studies on the quality of Gardenia fruit. METHODS AND RESULTS: Based on transcriptome sequencing and metabolic group analysis, the morphological and structural changes of Gardenia fruit with young fruit, middle fruit, and ripe fruit were analyzed, and the formation mechanism and content changes of Geniposide and Crocin in Gardenia fruit were studied. The content of Geniposide decreased with the development of fruit, so did the expression of the main structural gene GES, G10H, and IS in its synthesis pathway, while the content of Crocin increased with the development of fruit, and the expression of the main structural gene CCD, ALDH, and UGT in its synthesis pathway also increased. The relationship between the morphological structure of G. jasminoides and the accumulation of Geniposide and Crocin was summarized. CONCLUSIONS: This study not only provides a theoretical basis for the mining and utilization of Geniposide and Crocin, but also provides a theoretical basis for genetic background for the identification and cloning of bioactive substances in gardenia fruit in future. At the same time, it provides support for increasing the dual-use value of G. jasminoides and breeding excellent germplasm resources.


Assuntos
Gardenia , Gardenia/química , Frutas/genética , Frutas/química , Transcriptoma/genética , Melhoramento Vegetal , Iridoides/farmacologia , Iridoides/química , Metaboloma
5.
Sichuan Da Xue Xue Bao Yi Xue Ban ; 54(6): 1128-1132, 2023 Nov 20.
Artigo em Zh | MEDLINE | ID: mdl-38162064

RESUMO

In recent years, the effective management of patients with chronic kidney disease (CKD) is gaining growing attention. In 2014, our hospital established the CKD generalist-specialist combination management model, which incorporates a set of CKD management processes. The generalist component incorporates the following, general practitioners from 6 community health centers in the surrounding areas (with about 650 000 permanent residents in the region) joining hands, setting up a management team composed of doctors and nurses, and formulating management protocols for patient follow-up, patient record management, screening, risk assessment, examination and treatment, nutrition and exercise, and two-way referrals. The specialist component of the model incorporates the following, providing trainings for general practitioners in the in the community in the form of lectures on special topics and case discussion sessions, and organizing 7 national-level workshops for continuing medical education in the past decade, covering about 1 400 participants. In addition, regular meetings of the support groups of patients with renal diseases were organized to carry out information and education activities for patients. We have set up 4 community-based training centers and 6 specialized disease management centers, including one for diabetic nephropathy. We have retrospectively analyzed the risk factors of elderly CKD patients by establishing the elderly physical examination database (which has a current enrollment of 26 000 people), the elderly community CKD cross-sectional survey database, and the elderly CKD information management system. After 10 years of management practice, the level of institutionalization and standardization of CKD specialty management in our hospital has been improved. Moreover, we have expanded the management team and extended the management base from the hospital to community. We have improved the level of CKD management in community health centers and improved the specialty competence of the general practitioners in the communities. The generalist-specialist combination management model makes it possible for CKD patients to receive early screening and treatment, obtain effective and convenient follow-up and referral services, and improve their quality of life. Patients with complications such as diabetes, hypertension, and sarcopenia could access treatments with better precision. It is necessary to carry out the generalist-specialist integrated management of CKD, which is worthy of further development and improvement.


Assuntos
Diabetes Mellitus , Insuficiência Renal Crônica , Humanos , Idoso , Qualidade de Vida , Estudos Transversais , Estudos Retrospectivos , Insuficiência Renal Crônica/terapia
6.
BMC Cardiovasc Disord ; 21(1): 441, 2021 09 16.
Artigo em Inglês | MEDLINE | ID: mdl-34530726

RESUMO

PURPOSE: Previous clinical studies have suggested an effect of gender on outcome after out-of-hospital cardiac arrest, but the results are conflicting and there is no uniform agreement regarding gender differences in survival and prognosis. The present study was aimed to investigate the interaction between gender and post resuscitation interventions on neurological outcome in an asphyxial rat model of cardiac arrest. METHODS: Asphyxia was induced by blocking the endotracheal tube in 120 adult Sprague-Dawley rats (60 males and 60 females) at the same age. Cardiopulmonary resuscitation (CPR) was started after 5 min of untreated cardiac arrest. Animals were randomized into one of the three post resuscitation care intervention groups (n = 40, 20 males) immediately after resuscitation: (1) normothermic control (NC): ventilated with 2% N2/98% O2 for 1 h under normothermia; (2) targeted temperature management (TTM): ventilated with 2% N2/98% O2 for 1 h under hypothermia; (3) hydrogen inhalation (HI): ventilated with 2% H2/98% O2 for 1 h under normothermia. Physiological variables were recorded during the 5 h post resuscitation monitoring period. Neurological deficit score (NDS) and accumulative survival were used to assess 96 h outcomes. Mutual independence analysis and Mantel-Haenszel stratified analysis were used to explore the associations among gender, intervention and survival. RESULTS: The body weights of female rats were significantly lighter than males, but CPR characteristics did not differ between genders. Compared with male rats, females had significantly lower mean arterial pressure, longer onset time of the electroencephalogram (EEG) burst and time to normal EEG trace (TTNT) in the NC group; relatively longer TTNT in the TTM group; and substantially longer TTNT, lower NDSs, and higher survival in the HI group. Mutual independence analysis revealed that both gender and intervention were associated with neurological outcome. Mantel-Haenszel stratified analysis demonstrated that female rats had significantly higher survival rate than males when adjusted for the confounder intervention. CONCLUSION: In this rat model cardiac arrest and CPR, gender did not affect resuscitation but associated with neurological outcome. The superiority of female rats in neurological recovery was affected by post resuscitation interventions and female rats were more likely to benefit from hydrogen therapy.


Assuntos
Ondas Encefálicas , Encéfalo/fisiopatologia , Reanimação Cardiopulmonar , Parada Cardíaca/terapia , Animais , Asfixia/complicações , Modelos Animais de Doenças , Feminino , Parada Cardíaca/etiologia , Parada Cardíaca/fisiopatologia , Hemodinâmica , Masculino , Ratos Sprague-Dawley , Recuperação de Função Fisiológica , Fatores Sexuais , Fatores de Tempo
7.
Plant J ; 97(4): 779-794, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30427081

RESUMO

Casuarina equisetifolia (C. equisetifolia), a conifer-like angiosperm with resistance to typhoon and stress tolerance, is mainly cultivated in the coastal areas of Australasia. C. equisetifolia, making it a valuable model to study secondary growth associated genes and stress-tolerance traits. However, the genome sequence is unavailable and therefore wood-associated growth rate and stress resistance at the molecular level is largely unexplored. We therefore constructed a high-quality draft genome sequence of C. equisetifolia by a combination of Illumina second-generation sequencing reads and Pacific Biosciences single-molecule real-time (SMRT) long reads to advance the investigation of this species. Here, we report the genome assembly, which contains approximately 300 megabases (Mb) and scaffold size of N50 is 1.06 Mb. Additionally, gene annotation, assisted by a combination of prediction and RNA-seq data, generated 29 827 annotated protein-coding genes and 1983 non-coding genes, respectively. Furthermore, we found that the total number of repetitive sequences account for one-third of the genome assembly. Here we also construct the genome-wide map of DNA modification, such as two novel forms N6 -adenine (6mA) and N4-methylcytosine (4mC) at the level of single-nucleotide resolution using single-molecule real-time (SMRT) sequencing. Interestingly, we found that 17% of 6mA modification genes and 15% of 4mC modification genes also included alternative splicing events. Finally, we investigated cellulose, hemicellulose, and lignin-related genes, which were associated with secondary growth and contained different DNA modifications. The high-quality genome sequence and annotation of C. equisetifolia in this study provide a valuable resource to strengthen our understanding of the diverse traits of trees.


Assuntos
Genoma de Planta/genética , Árvores/genética , Anotação de Sequência Molecular , Análise de Sequência de DNA
8.
Eur J Nucl Med Mol Imaging ; 47(5): 1275-1280, 2020 05.
Artigo em Inglês | MEDLINE | ID: mdl-32107577

RESUMO

BACKGROUND: The pneumonia caused by the 2019 novel coronavirus (SARS-CoV-2, also called 2019-nCoV) recently break out in Wuhan, China, and was named as COVID-19. With the spread of the disease, similar cases have also been confirmed in other regions of China. We aimed to report the imaging and clinical characteristics of these patients infected with SARS-CoV-2 in Guangzhou, China. METHODS: All patients with laboratory-identified SARS-CoV-2 infection by real-time polymerase chain reaction (PCR) were collected between January 23, 2020, and February 4, 2020, in a designated hospital (Guangzhou Eighth People's Hospital). This analysis included 90 patients (39 men and 51 women; median age, 50 years (age range, 18-86 years). All the included SARS-CoV-2-infected patients underwent non-contrast enhanced chest computed tomography (CT). We analyzed the clinical characteristics of the patients, as well as the distribution characteristics, pattern, morphology, and accompanying manifestations of lung lesions. In addition, after 1-6 days (mean 3.5 days), follow-up chest CT images were evaluated to assess radiological evolution. FINDINGS: The majority of infected patients had a history of exposure in Wuhan or to infected patients and mostly presented with fever and cough. More than half of the patients presented bilateral, multifocal lung lesions, with peripheral distribution, and 53 (59%) patients had more than two lobes involved. Of all included patients, COVID-19 pneumonia presented with ground glass opacities in 65 (72%), consolidation in 12 (13%), crazy paving pattern in 11 (12%), interlobular thickening in 33 (37%), adjacent pleura thickening in 50 (56%), and linear opacities combined in 55 (61%). Pleural effusion, pericardial effusion, and lymphadenopathy were uncommon findings. In addition, baseline chest CT did not show any abnormalities in 21 patients (23%), but 3 patients presented bilateral ground glass opacities on the second CT after 3-4 days. CONCLUSION: SARS-CoV-2 infection can be confirmed based on the patient's history, clinical manifestations, imaging characteristics, and laboratory tests. Chest CT examination plays an important role in the initial diagnosis of the novel coronavirus pneumonia. Multiple patchy ground glass opacities in bilateral multiple lobular with periphery distribution are typical chest CT imaging features of the COVID-19 pneumonia.


Assuntos
Betacoronavirus , Infecções por Coronavirus/diagnóstico por imagem , Pneumonia Viral/diagnóstico por imagem , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , COVID-19 , Teste para COVID-19 , China , Técnicas de Laboratório Clínico , Infecções por Coronavirus/complicações , Infecções por Coronavirus/diagnóstico , Infecções por Coronavirus/epidemiologia , Tosse/etiologia , Progressão da Doença , Feminino , Febre/etiologia , Humanos , Masculino , Pessoa de Meia-Idade , Pandemias , Pneumonia Viral/complicações , Pneumonia Viral/epidemiologia , SARS-CoV-2 , Tomografia Computadorizada por Raios X , Adulto Jovem
9.
Am J Emerg Med ; 36(12): 2242-2248, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-29661665

RESUMO

OBJECTIVE: Early and reliable prediction of neurological outcome remains a challenge for comatose survivors of cardiac arrest (CA). The purpose of this study was to evaluate the predictive ability of EEG, heart rate variability (HRV) features and the combination of them for outcome prognostication in CA model of rats. METHODS: Forty-eight male Sprague-Dawley rats were randomized into 6 groups (n=8 each) with different cause and duration of untreated arrest. Cardiopulmonary resuscitation was initiated after 5, 6 and 7min of ventricular fibrillation or 4, 6 and 8min of asphyxia. EEG and ECG were continuously recorded for 4h under normothermia after resuscitation. The relationships between features of early post-resuscitation EEG, HRV and 96-hour outcome were investigated. Prognostic performances were evaluated using the area under receiver operating characteristic curve (AUC). RESULTS: All of the animals were successfully resuscitated and 27 of them survived to 96h. Weighted-permutation entropy (WPE) and normalized high frequency (nHF) outperformed other EEG and HRV features for the prediction of survival. The AUC of WPE was markedly higher than that of nHF (0.892 vs. 0.759, p<0.001). The AUC was 0.954 when WPE and nHF were combined using a logistic regression model, which was significantly higher than the individual EEG (p=0.018) and HRV (p<0.001) features. CONCLUSIONS: Earlier post-resuscitation HRV provided prognostic information complementary to quantitative EEG in the CA model of rats. The combination of EEG and HRV features leads to improving performance of outcome prognostication compared to either EEG or HRV based features alone.


Assuntos
Asfixia/fisiopatologia , Eletroencefalografia , Parada Cardíaca/terapia , Frequência Cardíaca , Fibrilação Ventricular/terapia , Animais , Asfixia/complicações , Reanimação Cardiopulmonar , Parada Cardíaca/fisiopatologia , Masculino , Prognóstico , Curva ROC , Ratos , Ratos Sprague-Dawley , Fibrilação Ventricular/fisiopatologia
10.
Neurocrit Care ; 28(2): 247-256, 2018 04.
Artigo em Inglês | MEDLINE | ID: mdl-28484928

RESUMO

BACKGROUND: Quantitative electroencephalogram (EEG) analysis has shown promising results in studying brain injury and functional recovery after cardiac arrest (CA). However, whether the quantitative characteristics of EEG, as potential indicators of neurological prognosis, are influenced by CA causes is unknown. The purpose of this study was designed to compare the quantitative characteristics of early post-resuscitation EEG between asphyxial CA (ACA) and ventricular fibrillation CA (VFCA) in rats. METHODS: Thirty-two Sprague-Dawley rats of both sexes were randomized into either ACA or VFCA group. Cardiopulmonary resuscitation was initiated after 5-min untreated CA. Characteristics of early post-resuscitation EEG were compared, and the relationships between quantitative EEG features and neurological outcomes were investigated. RESULTS: Compared with VFCA, serum level of S100B, neurological deficit score and brain histopathologic damage score were dramatically higher in the ACA group. Quantitative measures of EEG, including onset time of EEG burst, time to normal trace, burst suppression ratio, and information quantity, were significantly lower for CA caused by asphyxia and correlated with the 96-h neurological outcome and survival. CONCLUSIONS: Characteristics of earlier post-resuscitation EEG differed between cardiac and respiratory causes. Quantitative measures of EEG not only predicted neurological outcome and survival, but also have the potential to stratify CA with different causes.


Assuntos
Asfixia/complicações , Reanimação Cardiopulmonar , Eletroencefalografia , Parada Cardíaca , Doenças do Sistema Nervoso/diagnóstico , Fibrilação Ventricular/complicações , Animais , Modelos Animais de Doenças , Feminino , Parada Cardíaca/complicações , Parada Cardíaca/etiologia , Parada Cardíaca/terapia , Masculino , Doenças do Sistema Nervoso/etiologia , Distribuição Aleatória , Ratos , Ratos Sprague-Dawley
11.
Breed Sci ; 68(4): 393-403, 2018 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30369813

RESUMO

Analyzing the genetic differences among crop germplasm resources scientifically and accurately is very important for the selection of core accessions, the identification of new cultivars, and the determination of seed purity. However, phenotypic selection per se is not sufficient to identify genetically distinct accessions. In this study, 26 out of 83 simple sequence repeat markers associated/linked with cotton important agronomic traits derived from our previous and other published research, corresponding to the 26 chromosomes of Upland cotton (Gossypium hirsutum L.), were selected as core primers for DNA fingerprinting construction. The 26 markers showed clear band patterns, good repeatability and high polymorphism. The average alleles, gene diversity index and polymorphism information content were 3.12, 0.4312 and 0.3830, respectively. Using TM-1, a genetic standard line for Upland cotton, as the control, DNA fingerprinting pattern and DNA barcodes were obtained based on the core primers. There was a significant positive correlation between genetic distance matrix determined using 26 core primers and that determined using more primers (335) derived from previous research, further suggesting that the core primers were eminently suitable for DNA fingerprinting in Upland cotton. This study provides a molecular basis for assessing identification, authenticity and seed purity of cotton cultivars.

12.
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi ; 32(3): 553-7, 2015 Jun.
Artigo em Zh | MEDLINE | ID: mdl-26485977

RESUMO

Based on the capacitance coupling principle, we studied a capacitive way of non-contact electrocardiogram (EGG) monitoring, making it possible to obtain ECG on the condition that a patient is habilimented. Conductive fabric with a good electrical conductivity was used as electrodes. The electrodes fixed on a bed sheet is presented in this paper. A capacitance comes into being as long as the body gets close to the surface of electrode, sandwiching the cotton cushion, which acts as dielectric. The surface potential generated by heart is coupled to electrodes through the capacitance. After being processed, the signal is suitable for monitoring. The test results show that 93.5% of R wave could be detected for 9 volunteers and ECG with good signal quality could be acquired for 2 burnt patients. Non-contact ECG is harmless to skin, and it has advantages for those patients to whom stickup electrodes are not suitable. On the other hand, it is convenient to use and good for permanent monitoring.


Assuntos
Eletrocardiografia/instrumentação , Condutividade Elétrica , Eletrodos , Humanos
13.
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi ; 31(1): 39-43, 2014 Feb.
Artigo em Zh | MEDLINE | ID: mdl-24804481

RESUMO

This paper introduces the development and animal tests of a miniaturized electrical chest compression device. Based on pulse width modulation technology produced by micro control unit, the device can control the frequency and depth of the compression accurately, as well as perform real-time adjustment. Therefore, it can perform continuous and stable chest compression for long time, which may increase the successful rate of cardiopulmonary resuscitation (CPR). Besides, the device can also produce different types of compression waveforms, including trapezoidal and triangular waveforms. Then, the performance and efficacy of the device was assessed with a rat model of asphyxial cardiac arrest (CA).


Assuntos
Reanimação Cardiopulmonar/instrumentação , Animais , Modelos Animais de Doenças , Eletricidade , Parada Cardíaca/terapia , Frequência Cardíaca , Pressão , Ratos , Tórax
14.
Zhongguo Yi Liao Qi Xie Za Zhi ; 38(2): 114-6, 121, 2014 Mar.
Artigo em Zh | MEDLINE | ID: mdl-24941774

RESUMO

An automatic urine monitoring system is presented to replace manual operation. The system is composed of the flow sensor, MSP430f149 single chip microcomputer, human-computer interaction module, LCD module, clock module and memory module. The signal of urine volume is captured when the urine flows through the flow sensor and then displayed on the LCD after data processing. The experiment results suggest that the design of the monitor provides a high stability, accurate measurement and good real-time, and meets the demand of the clinical application.


Assuntos
Desenho de Equipamento , Monitorização Fisiológica/instrumentação , Autoanálise/instrumentação , Micção
15.
Chem Sci ; 2024 Aug 16.
Artigo em Inglês | MEDLINE | ID: mdl-39184292

RESUMO

Hyper-crosslinked porous ionic polymers (HCPIPs) have garnered significant attention due to their unique ionic properties and high specific surface areas. However, the limited variety of monomers, low ionic density, and difficulty in functionalization restrict their development. Herein, a series of functionalized non-cationic HCPIPs with high ionic density are designed and directly synthesized via an innovative and straightforward approach - anion (and cation) hyper-crosslinking of tetraphenylborate-based ionic liquids (ILs). These HCPIPs offer controllable hydroxyl group content (0-2.40 mmol g-1), high IL content (1.20-1.78 mmol g-1), and large specific surface area (636-729 m2 g-1) with hierarchically ordered porous structures. These HCPIPs demonstrate exceptional CO2 adsorption capacities and CO2/N2 adsorption selectivities, reaching up to 2.68-3.01 mmol g-1 and 166-237, respectively, at 273 K and 1 bar. Furthermore, these ionic porous materials serve as highly efficient heterogeneous catalysts for CO2 cycloaddition to epoxides under mild conditions (1 bar CO2, 60-80 °C, 12-24 h). Notably, the CO2 adsorption performances and catalytic activities of these HCPIPs are regulated by the hydroxyl groups within their structures, with enhancements observed as the number of hydroxyl groups increases. This work presents a facile and widely applicable method for constructing high-performance and task-specific HCPIPs.

16.
Shock ; 61(6): 934-941, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38598836

RESUMO

ABSTRACT: Background: The high mortality rates of patients who are resuscitated from cardiac arrest (CA) are attributed to post cardiac arrest syndrome (PCAS). This study evaluated the effect of hyperoxygenation and targeted temperature management (TTM) on PCAS in rats with different causes of CA. Methods and Results: One hundred sixty-eight Sprague-Dawley rats were equally divided into asphyxial and dysrhythmic groups. Animals were further randomized into four subgroups immediately after resuscitation: normoxia-normothermia (NO-NT), ventilated with 21% oxygen under normothermia; hyperoxia-normothermia (HO-NT), ventilated with 100% oxygen for 3 hours under normothermia; normoxia-hypothermia (NO-HT), ventilated with 21% oxygen for 3 hours under hypothermia; and hyperoxia-hypothermia (HO-HT), ventilated with 100% oxygen for 3 hours under hypothermia. Post resuscitation cardiac dysfunction, neurological recovery, and pathological analysis were assessed. For asphyxial CA, HO-NT and HO-HT (68.8% and 75.0%) had significantly higher survival than NO-NT and NO-HT (31.3% and 31.3%). For dysrhythmic CA, NO-HT and HO-HT (81.3% and 87.5%) had significantly higher survival than NO-NT and HO-NT (44.0% and 50.0%). When all of the rats were considered, the survival rate was much higher in HO-HT (81.3%). Compared with NO-NT (57.7% ± 14.9% and 40.3% ± 7.8%), the collagen volume fraction and the proportion of fluoro-jade B-positive area in HO-HT (14.0% ± 5.7% and 28.0% ± 13.3%) were significantly reduced. Conclusion: The beneficial effects of hyperoxygenation and TTM are dependent on the cause of arrest: hyperoxygenation benefits asphyxial, whereas TTM benefits dysrhythmic CA. The combination of hyperoxygenation and TTM could effectively improve the functional outcome of PCAS regardless of the cause of CA.


Assuntos
Hipotermia Induzida , Ratos Sprague-Dawley , Animais , Ratos , Hipotermia Induzida/métodos , Masculino , Síndrome Pós-Parada Cardíaca/terapia , Reanimação Cardiopulmonar/métodos , Oxigenoterapia/métodos , Parada Cardíaca/terapia
17.
J Affect Disord ; 361: 291-298, 2024 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-38876315

RESUMO

OBJECTIVE: This prospective cohort study, conducted at the Fenglin Community Health Service Center (FCHC) in Xuhui District, Shanghai, aimed to investigate the impact of maternal psychological status on offspring neurodevelopment. METHODS: A total of 430 mother-child pairs were included, with pregnant women enrolled between February 18, 2020, and April 19, 2021. Face-to-face interviews and electronic data collection on demographic characteristics, health conditions and medical history were employed at various stages of pregnancy and postpartum. Maternal depression and anxiety were assessed using the PHQ-9 and GAD-7 scales, while offspring neurodevelopment was measured at six months using the Ages and Stages Questionnaire 3rd Edition (ASQ-3). In statistical analyses, group-based trajectory modeling (GBTM) was employed to identify the latent groups for maternal psychological trajectories, including depression and anxiety, and logistic regression was used to explore associations between maternal psychological trajectories and offspring neurodevelopment, adjusting for potential confounders. RESULTS: Five latent trajectory groups were identified for both depression and anxiety, exhibiting distinct patterns over time. Results indicated that maternal psychological trajectories were associated with various domains of offspring neurodevelopment, including communication, problem-solving, personal-social, and gross motor skills. Specifically, mothers in trajectory groups characterized by the highest level of depression or anxiety showed increased odds of offspring neurodevelopmental delays compared to reference groups. CONCLUSION: Our findings underscore the importance of maternal mental health during the perinatal period and highlight the potential implications for offspring neurodevelopment. Further research is warranted to elucidate underlying mechanisms and inform targeted interventions to support maternal mental well-being and optimize offspring outcomes.


Assuntos
Ansiedade , Desenvolvimento Infantil , Depressão , Humanos , Feminino , Gravidez , China/epidemiologia , Adulto , Lactente , Ansiedade/psicologia , Ansiedade/epidemiologia , Estudos Prospectivos , Depressão/psicologia , Depressão/epidemiologia , Desenvolvimento Infantil/fisiologia , Estudos Longitudinais , Masculino , Mães/psicologia , Complicações na Gravidez/psicologia , Efeitos Tardios da Exposição Pré-Natal/psicologia , Transtornos do Neurodesenvolvimento/epidemiologia
18.
Leukemia ; 38(7): 1553-1563, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38783159

RESUMO

Immunotherapy with programmed cell death 1 ligand 1 (PD-L1) blockade was effective in patients with NK/T-cell lymphoma. In addition to PD-L1, indoleamine 2,3-dioxygenase-1 (IDO1) is one of the most promising immunotherapeutic targets. High proportions of PD-L1 and IDO1 proteins were observed by immunohistochemistry (IHC) from 230 newly diagnosed patients with NK/T lymphoma with tissue samples from three cancer centers and were associated with poor overall survival (OS) in patients with NK/T lymphoma. Importantly, the coexpression of PD-L1 and IDO1 was related to poor OS and short restricted mean survival time in patients with NK/T lymphoma and was an independent prognostic factor in the training cohorts, and which was also validated in 58 NK/T lymphoma patients (GSE90597). Moreover, a nomogram model constructed with PD-L1 and IDO1 expression together with age could provide concise and precise predictions of OS rates and median survival time. The high-risk group in the nomogram model had a positive correlation with CD4 + T-cell infiltration in the validation cohort, as did the immunosuppressive factor level. Therefore, high PD-L1 and IDO1 expression was associated with poor OS in patients with NK/T lymphoma. PD-L1 and IDO1 might be potential targets for future immune checkpoint blockade (ICB) therapy for NK/T lymphoma.


Assuntos
Antígeno B7-H1 , Biomarcadores Tumorais , Indolamina-Pirrol 2,3,-Dioxigenase , Linfoma Extranodal de Células T-NK , Humanos , Indolamina-Pirrol 2,3,-Dioxigenase/metabolismo , Antígeno B7-H1/metabolismo , Masculino , Feminino , Linfoma Extranodal de Células T-NK/mortalidade , Linfoma Extranodal de Células T-NK/metabolismo , Linfoma Extranodal de Células T-NK/patologia , Linfoma Extranodal de Células T-NK/tratamento farmacológico , Pessoa de Meia-Idade , Prognóstico , Adulto , Idoso , Biomarcadores Tumorais/metabolismo , Taxa de Sobrevida , Adulto Jovem , Nomogramas , Seguimentos , Idoso de 80 Anos ou mais
19.
PeerJ ; 11: e16056, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37744244

RESUMO

Background: Gardenia jasminoides is a species of Chinese medicinal plant, which has high medicinal and economic value and rich genetic diversity, but the study on its genetic diversity is far not enough. Methods: In this study, one wild and one cultivated gardenia materials were resequenced using IlluminaHiSeq sequencing platform and the data were evaluated to understand the genomic characteristics of G. jasminoides. Results: After data analysis, the results showed that clean data of 11.77G, Q30 reached 90.96%. The average comparison rate between the sample and reference genome was 96.08%, the average coverage depth was 15X, and the genome coverage was 85.93%. The SNPs of FD and YP1 were identified, and 3,087,176 and 3,241,416 SNPs were developed, respectively. In addition, SNP non-synonymous mutation, InDel mutation, SV mutation and CNV mutation were also detected between the sample and the reference genome, and KEGG, GO and COG database annotations were made for genes with DNA level variation. The structural gene variation in the biosynthetic pathway of crocin and gardenia, the main medicinal substance of G. jasminoides was further explored, which provided basic data for molecular breeding and genetic diversity of G. jasminoides in the future.


Assuntos
Carotenoides , Gardenia , Plantas Medicinais , Análise de Sequência de DNA , Gardenia/genética , Gardenia/metabolismo , Genômica , Plantas Medicinais/genética , Plantas Medicinais/metabolismo , China , Carotenoides/metabolismo , Variação Genética/genética
20.
Foods ; 12(5)2023 Feb 27.
Artigo em Inglês | MEDLINE | ID: mdl-36900524

RESUMO

Food allergy (FA) has become a global food safety issue. Evidence suggests that inflammatory bowel disease (IBD) can increase the incidence of FA, but it is mostly based on epidemiological studies. An animal model is pivotal for unraveling the mechanisms involved. However, dextran sulfate sodium (DSS)-induced IBD models may cause substantial animal losses. To better investigate the effect of IBD on FA, this study aimed to establish a murine model to fit both IBD and FA symptoms. Firstly, we compared three DSS-induced colitis models by monitoring survival rate, disease activity index, colon length, and spleen index, and then eliminated the colitis model with a 7-day administration of 4% due to high mortality. Moreover, we evaluated the modeling effects on FA and intestinal histopathology of the two models selected and found the modeling effects were similar in both the colitis model with a 7-day administration of 3% DSS and the colitis model with long-term administration of DSS. However, for animal survival reasons, we recommend the colitis model with long-term administration of DSS.

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