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1.
BMC Genomics ; 25(1): 354, 2024 Apr 09.
Artigo em Inglês | MEDLINE | ID: mdl-38594645

RESUMO

The homeodomain-leucine zipper (HD-Zip) gene family plays a pivotal role in plant development and stress responses. Nevertheless, a comprehensive characterization of the HD-Zip gene family in kiwifruit has been lacking. In this study, we have systematically identified 70 HD-Zip genes in the Actinidia chinensis (Ac) genome and 55 in the Actinidia eriantha (Ae) genome. These genes have been categorized into four subfamilies (HD-Zip I, II, III, and IV) through rigorous phylogenetic analysis. Analysis of synteny patterns and selection pressures has provided insights into how whole-genome duplication (WGD) or segmental may have contributed to the divergence in gene numbers between these two kiwifruit species, with duplicated gene pairs undergoing purifying selection. Furthermore, our study has unveiled tissue-specific expression patterns among kiwifruit HD-Zip genes, with some genes identified as key regulators of kiwifruit responses to bacterial canker disease and postharvest processes. These findings not only offer valuable insights into the evolutionary and functional characteristics of kiwifruit HD-Zips but also shed light on their potential roles in plant growth and development.


Assuntos
Actinidia , Proteínas de Homeodomínio , Proteínas de Homeodomínio/genética , Genoma de Planta , Filogenia , Actinidia/genética , Zíper de Leucina/genética , Regulação da Expressão Gênica de Plantas , Proteínas de Plantas/genética , Perfilação da Expressão Gênica
2.
BMC Pulm Med ; 23(1): 119, 2023 Apr 14.
Artigo em Inglês | MEDLINE | ID: mdl-37060029

RESUMO

BACKGROUND: Immune checkpoint inhibitors (ICIs) have been widely used in the treatment of cancer. Moreover, immune-related adverse events (irAEs) have become a new clinical challenge. ICI-associated myocarditis is a rare but fatal condition among diverse organ injuries, and early recognition and effective interventions are critical for patients. CASE PRESENTATION: In this report, we present the case of a healthy 60-year-old male who was diagnosed with lung squamous cell carcinomas following chemotherapy and received ICIs. The patient presented with asymptomatic cardiac biomarker elevation followed by immune-related myocarditis. Fortunately, the patient achieved a good clinical result after receiving high-dose steroids. The treatment with ICIs was discontinued because of recurrent increases in troponin T. CONCLUSION: ICI-mediated associated myocarditis is an uncommon but potentially life-threatening adverse event. The current data suggest that clinicians need to be cautious about reinitiation in low-grade patients; however, further study of the diagnosis and treatment is necessary.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Neoplasias Pulmonares , Miocardite , Masculino , Humanos , Pessoa de Meia-Idade , Carcinoma Pulmonar de Células não Pequenas/patologia , Inibidores de Checkpoint Imunológico/efeitos adversos , Neoplasias Pulmonares/patologia , Miocardite/induzido quimicamente , Miocardite/diagnóstico , Miocardite/tratamento farmacológico , Imunoterapia/efeitos adversos
3.
Molecules ; 28(13)2023 Jun 24.
Artigo em Inglês | MEDLINE | ID: mdl-37446624

RESUMO

BiOCl/graphene aerogel graphene (BGA) was successfully obtained by in situ hydrothermal synthesis, and the chemical, structural, morphological, and photocatalytic properties were systematically characterized. BGA with the doping amount of BiOCl at 20% (BGA-4) exhibited the optimal activation efficiency for persulfate (PDS) on the degradation of methyl orange (MO) under simulated sunlight (SSL) illumination as compared to the pure graphene (GA) and aerogel composites with different BiOCl content. The influence of various reaction parameters on the MO removal efficiency, such as the reaction system, catalyst activator dose, PDS concentration, BiOCl doping amount, and the initial pH of the solution, was investigated. Under optimum conditions, the catalytic efficiency of BiOCl-doped GA with the mass ratio of 20% (BGA-4) was 5.61 times that of GA. The strengthening effect of BGA-4 benefited from the synergistic effect of 1O2, O2·- and the generation and rapid electron transfer of photo-induced electron (e-) in the BGA-4/SSL/PDS system. Considering the superior stability and recyclability of BGA-4, the BGA-4/SSL/PDS system exhibits great potential in actual wastewater treatment.


Assuntos
Grafite , Grafite/química , Luz Solar , Compostos Azo , Transporte de Elétrons
4.
Cancer Sci ; 113(10): 3390-3404, 2022 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-35848906

RESUMO

Although angiogenesis is a critical event in hepatocellular carcinoma (HCC), and this process provides the tumor with sufficient oxygen and nutrients, the precise molecular mechanism by which it occurs is not fully understood. NEDD4 binding protein 3 (N4BP3) was identified in this study as a novel pro-angiogenic factor in HCC cell lines and tissues. We discovered that N4BP3 was significantly expressed in HCC and that its level of expression was positively correlated with the density of tumor microvessels in HCC tissues. Cell biology experiments have shown that N4BP3 knockdown in HCC cells significantly inhibits the formation of complete tubular structures by HUVECs in vitro and HCC angiogenesis in vivo. In HCC cells, overexpression of N4BP3 has the opposite effects. Further cell and molecular biology experiments have revealed that N4BP3 interacts with KAT2B (lysine acetyltransferase 2B), increasing signal transducer and activator of transcription 3 (STAT3) expression by regulating the distribution of acetyl-histone H3 (Lys27) (H3K27ac) in its promoter region. This, in addition, regulates the activity of the STAT3 signaling pathway, which promotes the proliferation of microvessels in HCC and accelerates the malignant process of the tumor. In vivo experiments in nude mice have confirmed our findings, and also suggested that N4BP3 could be a potential target for the treatment of HCC in combination with sorafenib.


Assuntos
Carcinoma Hepatocelular , Neoplasias Hepáticas , Lisina Acetiltransferases , Indutores da Angiogênese , Animais , Carcinoma Hepatocelular/patologia , Linhagem Celular Tumoral , Proliferação de Células/genética , Histonas , Humanos , Neoplasias Hepáticas/patologia , Lisina Acetiltransferases/metabolismo , Camundongos , Camundongos Nus , Neovascularização Patológica/patologia , Oxigênio/metabolismo , Fator de Transcrição STAT3/metabolismo , Sorafenibe
5.
Cell Mol Biol (Noisy-le-grand) ; 66(7): 103-110, 2020 Oct 31.
Artigo em Inglês | MEDLINE | ID: mdl-33287929

RESUMO

In view of the shortcomings of the current abnormal data detection system of the protein gene library, such as low detection rate and high error detection rate, the abnormal data detection system of the protein gene library based on data mining technology is designed. The protein gene enters the firewall module of the system, and enters the immune module when it does not match the firewall rules; the memory detector in the immune module presents the protein gene, if the memory detector does not match the protein gene, the mature detector presents the protein gene, if the mature detector does not match the protein gene, it is determined as the normal protein gene data package, if it matches, it is considered that The abnormal data of protein gene was processed by the collaborative stimulation module, and the control module controlled by C8051F060 chip to detect the abnormal data of protein gene library. The immune module generates new protein gene sequences through an immature detector, simulates the immune mechanism of protein gene through a mature detector module, and simulates the secondary response in the abnormal data detection system of protein gene library through memory detector. The system introduces data mining technology into the detection and uses a two-level dynamic optimization algorithm to calculate the ASG similarity value of protein gene secondary structure arrangement. According to this value, the abnormal data detection of the protein gene library is realized by randomly generating protein genes, negative selection, clone selection and copying memory cells through gene expression. The experimental results show that the system can quickly detect abnormal data of the protein gene library, ensure the detection efficiency, and the detection accuracy reaches 97.1%. The system can reduce the error rate of normal protein gene detection as an abnormal protein gene.


Assuntos
Biologia Computacional/métodos , Mineração de Dados , Biblioteca Gênica , Proteínas/análise , Reprodutibilidade dos Testes
6.
Clin Lab ; 65(9)2019 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-31532095

RESUMO

BACKGROUND: To some extent, albumin levels reflect patient nutritional status and fibrinogen, neutrophils, lymphocytes, and platelets reflect chronic inflammation. These markers may be used to evaluate prognosis in gastric cancer. METHODS: Four hundred gastric cancer patients who underwent treatment in our hospital between 2010 and 2012 were retrospectively analyzed. The aims of our study were to assess the association of preoperative albumin, neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), and albumin to fibrinogen ratio (AFR) with tumor stage and survival in gastric cancer (GC) patients. RESULTS: Albumin, PLR, and AFR impacted survival when accompanied by low serum albumin levels, high PLR, and low AFR. Universal analysis showed that CEA, CA19-9, serum albumin, T, N, and nerve invasion were significantly correlated with the overall survival of gastric cancer patients. Multivariate analysis indicated that lower serum albumin levels correlated with decreased survival in gastric cancer patients (HR: 1.785, 95% confidence interval 1.139 - 2.797, p < 0.05). Apart from serum albumin levels, patients with advanced cancer with deep invasion (T3 + 4) and lymph node metastasis (N1-3) had significantly decreased survival. Albumin, AFR, PLR, and NLR were associated with the T stage, and albumin, AFR, and PLR were associated with the N stage. Albumin, AFR, NLR, and PLR were significantly different between gastric cancer patients and healthy controls. CONCLUSIONS: Serum albumin, AFR, PLR, and NLR are associated with prognosis in gastric cancer patients, indicating that these four markers impact inflammation, tumor metastasis, and patient nutrition, and are important independent markers of gastric cancer progression and patient survival.


Assuntos
Biomarcadores Tumorais/sangue , Antígeno CA-19-9/sangue , Fibrinogênio/análise , Albumina Sérica/análise , Neoplasias Gástricas/sangue , Plaquetas , Feminino , Fibrinogênio/metabolismo , Humanos , Inflamação/sangue , Estimativa de Kaplan-Meier , Linfócitos , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Neutrófilos , Estudos Retrospectivos , Albumina Sérica/metabolismo , Neoplasias Gástricas/patologia
7.
Clin Lab ; 64(11)2018 Oct 31.
Artigo em Inglês | MEDLINE | ID: mdl-30549996

RESUMO

Background: Gastric cancer is one of the most common cancers and is the second leading cause of cancer mortality worldwide. The present study aimed to investigate the potential biological effect of long non-coding RNA (lncRNA) BNC2-AS1 on the proliferation, migration, and invasion of cervical cancer cells. Methods: BNC2-AS1 small interfering RNA (siRNA) was transfected into SGC7901 and BGC823 gastric cancer cell lines, with negative siRNA serving as a control. A reverse transcription-quantitative polymerase chain reaction assay was performed to confirm the knockdown of BNC2-AS1. Cell Counting Kit (CCK)-8 and colony-forming unit (CFU) assays were performed to evaluate the effect of BNC2-AS1-knockdown on SGC7901 and BGC823 cell proliferation. A wound healing assay was performed to evaluate the effect of BNC2-AS1-knockdown on SGC7901 and BGC823 cell proliferation and migration. A tumor invasion assay was used to evaluate the effect of BNC2-AS1-knockdown on SGC7901 and BGC823 cell invasion. The expression level of BNC2-AS1 was efficiently knocked down by siRNA 48 hours post-transfection. Results: The results of CCK8 and CFU assays showed that BNC2-AS1-knockdown significantly decreased gastric cancer cell proliferation. Wound healing assay results indicated that BNC2-AS1-knockdown markedly suppressed gastric cancer cell proliferation and migration. Tumor invasion assay results demonstrated that BNC2-AS1-knockdown significantly suppressed gastric cancer cell invasion. Conclusions: BNC2-AS1 levels in gastric cancer SGC7901 and BGC823 cell lines can be efficiently knocked down using the siRNA strategy, and the BNC2-AS1 knockdown can significantly suppress the tumor characteristics of gastric cancer cells, including the ability of proliferation, migration, and invasion.


Assuntos
Movimento Celular/genética , Proliferação de Células/genética , Regulação Neoplásica da Expressão Gênica , RNA Longo não Codificante/genética , Neoplasias Gástricas/genética , Linhagem Celular Tumoral , Humanos , Invasividade Neoplásica , Interferência de RNA , Neoplasias Gástricas/patologia , Transfecção
8.
Clin Lab ; 64(1): 141-145, 2018 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-29479890

RESUMO

Most digestive system tumors have poor prognoses due to the lack of specific biomarkers. Circular RNAs (circRNAs) regulate the expression of genes and play essential roles in digestive system tumorigenesis. Here we review circRNA functions in gastrointestinal tract tumors. CircRNAs are promising biomarkers for clinical applications for gastrointestinal tract tumors.


Assuntos
Biomarcadores Tumorais/genética , Neoplasias Gastrointestinais/genética , Trato Gastrointestinal/metabolismo , RNA/genética , Neoplasias Gastrointestinais/diagnóstico , Perfilação da Expressão Gênica/métodos , Sequenciamento de Nucleotídeos em Larga Escala/métodos , Humanos , MicroRNAs/genética , Técnicas de Diagnóstico Molecular/métodos , RNA Circular , Reprodutibilidade dos Testes , Sensibilidade e Especificidade
9.
Clin Lab ; 63(9): 1475-1479, 2017 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-28879717

RESUMO

BACKGROUND: Long noncoding RNAs (lncRNAs) are transcripts longer than 200 nucleotides and have no proteincoding capacity. In recent years, they have been believed to be major players in biological processes. However, there is limited understanding of the many lncRNAs' expressions and their clinical significances in gastric cancer. METHODS: Quantitative RT-PCR was performed to investigate the lncRNA expression in gastric cancer. Then, we further explored the potential association between RP11-62F24.2 level and the clinicopathological features in gastric cancer tissue samples. RESULTS: The results showed that RP11-62F24.2 was significantly upregulated in gastric cancer tissues compared with matched normal tissues (p < 0.05). Its expression level was significantly correlated with invasion and tumor size. CONCLUSIONS: These results indicated that lncRNA RP11-62F24.2 may be a potential biomarker in the diagnosis of gastric cancer.


Assuntos
RNA Longo não Codificante/metabolismo , Neoplasias Gástricas/metabolismo , Biomarcadores/metabolismo , Biomarcadores Tumorais , Humanos , Regulação para Cima
10.
Am J Emerg Med ; 33(10): 1546.e1-3, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-26279391

RESUMO

Vasospasm plays an important role in the pathogenesis of ischemic heart disease, including unstable angina, myocardial infarction, and sudden death. Coronary artery spasm rarely involves different coronaries in the same time. Three-vessel spasm may be accompanied by ST-segment elevation, lethal arrhythmias, and syncope due to the wide extent of ischemia. In the present case, a patient with syncope secondary to documented diffuse vasospasm involving 3 major coronary arteries was reported. This case report indicated that in case of unexplained syncope, asystole secondary to coronary artery spasm should be considered as a possible cause.


Assuntos
Vasoespasmo Coronário/complicações , Parada Cardíaca/etiologia , Síncope/etiologia , Angiografia Coronária , Vasoespasmo Coronário/diagnóstico , Vasoespasmo Coronário/tratamento farmacológico , Diagnóstico Diferencial , Quimioterapia Combinada , Eletrocardiografia , Humanos , Masculino , Pessoa de Meia-Idade
11.
Platelets ; 25(4): 246-51, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-24102229

RESUMO

Platelets play an important role in atherothrombosis. As the most common site plaque occurs, left anterior descending artery (LAD) infarct location always associate with poor prognosis. We sought to assess whether mean platelet volume (MPV) could predict LAD infarct location and short-term clinical outcome. In this study, 190 consecutive patients with non-ST-elevation myocardial infarction (NSTEMI) were enrolled. Clinical, electrocardiography and laboratory characteristics were measured. All patients underwent coronary angiography examination and had definite culprit vessel during hospitalization. The results showed that MPV was smaller in patients with a LAD infarct location than that of left circumflex artery or right coronary artery (9.0 ± 1.5 versus 9.8 ± 1.6, p<0.001). Multivariate analysis also showed that MPV was the only independent factor to predict LAD infarct location [Odds ratio (OR)=0.65, 95% confidence interval (CI) 0.53-0.80, p<0.0001] in patients with NSTEMI. B-type natriuretic peptide and electrocardiography were unreliable predictive factors to locate culprit vessel. Receiver operating characteristic curve analysis showed MPV (area under the curve: 0.65, 95% CI 0.56-0.74, p<0.01) could reliably discriminate those patients with NSTEMI who had a major in-hospital event. Multivariate regression analyses also showed that MPV (OR=1.46, 95% CI 1.15-1.86, p<0.01) were predictors of major in-hospital events. In conclusion, MPV was the only factor independently associated with LAD infarct location in patients with non-ST-elevation myocardial infarction.


Assuntos
Oclusão Coronária/sangue , Oclusão Coronária/diagnóstico , Volume Plaquetário Médio , Infarto do Miocárdio/diagnóstico , Infarto do Miocárdio/etiologia , Idoso , Idoso de 80 Anos ou mais , Angiografia Coronária , Eletrocardiografia , Feminino , Hospitalização , Humanos , Masculino , Pessoa de Meia-Idade , Prognóstico , Curva ROC , Fatores de Risco
12.
Echocardiography ; 31(10): 1177-81, 2014 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-24645963

RESUMO

The aim of this study was to test the hypotheses that epicardial adipose tissue (EAT) can be a marker of severe coronary artery disease in patients with acute myocardial infarction. Overall, 373 cases who underwent coronary angiography were classified into 2 groups by SYNTAX score: low-score and high-score group. EAT was measured by transthoracic echocardiography. Obtained data were compared using Pearson correlation analyses and univariate and multiple logistic regression analysis. The results showed that EAT in the high-score group was significantly greater than in the normal group (5.6 ± 1.1 vs. 4.1 ± 1.0 mm, P < 0.01). EAT had a positive correlation with SYNTAX score (r = 0.61, P < 0.01). Receiver operating characteristic (ROC) curve analyses showed that EAT could reliably discriminate patients with high SYNTAX score (≥ 33) [AUC: 0.86, 95% confidence interval (CI): 0.822-0.898, P < 0.01]. Multivariate regression analyses showed that EAT was an independent predictor for major in-hospital events. These data showed an association between EAT and SYNTAX score.


Assuntos
Tecido Adiposo/diagnóstico por imagem , Estenose Coronária/patologia , Ecocardiografia/métodos , Infarto do Miocárdio/patologia , Pericárdio/diagnóstico por imagem , Tecido Adiposo/patologia , Idoso , Angioplastia Coronária com Balão/métodos , Estudos de Casos e Controles , Estudos de Coortes , Angiografia Coronária/métodos , Ponte de Artéria Coronária/métodos , Estenose Coronária/complicações , Estenose Coronária/diagnóstico por imagem , Estenose Coronária/terapia , Feminino , Seguimentos , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Infarto do Miocárdio/complicações , Infarto do Miocárdio/diagnóstico por imagem , Infarto do Miocárdio/terapia , Pericárdio/patologia , Valor Preditivo dos Testes , Medição de Risco , Índice de Gravidade de Doença , Resultado do Tratamento
13.
Water Sci Technol ; 70(8): 1383-90, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25353944

RESUMO

An algal biofilm was employed as a novel kind of adsorbing material to remove Zn(II) from simulated wastewater. The algal biofilm system formed by Oedogonium sp. was operated in a dynamic mode for a period of 14 days with an initial Zn(II) concentration of 10 mg/L. The average effluent Zn(II) concentration was 0.247 mg/L and the average removal efficiency reached 97.7%. The effects of Zn(II) on key algal physiological and biochemical indices such as chlorophyll content, nitrate reductase and superoxide dismutase activity, extracellular polysaccharides (EPS), and soluble protein levels were studied. Our results showed that the algal biofilm could adapt to the simulated wastewater containing Zn(II). Scanning electron microscope and Fourier transform infrared spectroscopy analyses of algal biofilm revealed the presence of carboxyl, amino, and sulphonate groups, which were the main functional groups of EPS and proteins, and these were likely responsible for biosorption of the Zn(II) ions.


Assuntos
Reatores Biológicos , Clorófitas/química , Eliminação de Resíduos Líquidos/métodos , Poluentes Químicos da Água/química , Zinco/química , Adsorção , Biofilmes , Clorófitas/ultraestrutura , Microscopia Eletrônica de Varredura , Espectroscopia de Infravermelho com Transformada de Fourier , Águas Residuárias
14.
Water Res ; 252: 121217, 2024 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-38335748

RESUMO

The presence of excessive residual Cu(II), a high-risk heavy metal with potential toxicity and biomagnification property, substantially impede the value-added utilization of anaerobic digestion effluent (ADE). This study adapted indigenous bacterial consortium (IBCs) to eliminate Cu(II) from ADE, and their performances and resistance mechanisms against Cu(II) were analyzed. Results demonstrated that when the Cu(II) exposure concentration exceeded 7.5 mg/L, the biomass of IBCs decreased significantly, cells produced a substantial amount of ROS and EPS, at which time the intracellular Cu(II) content gradually decreased, while Cu(II) accumulation within the EPS substantially increased. The combined features of a high PN/PS ratio, a reversed Zeta potential gradient, and abundant functional groups within EPS collectively render EPS a primary diffusion barrier against Cu(II) toxicity. Mutual physiological and metagenomics analyses reveal that EPS synthesis and secretion, efflux, DNA repair along with coordination between each other were the primary resistance mechanisms of IBCs against Cu(II) toxicity. Furthermore, IBCs exhibited enhanced resistance by enriching bacteria carrying relevant resistance genes. Continuous pretreatment of actual ADE with IBCs at a 10-day hydraulic retention time (HRT) efficiently eliminated Cu(II) concentration from 5.01 mg/L to ∼0.68 mg/L by day 2. This elimination remained stable for the following 8 days of operation, further validated their good Cu(II) elimination stability. Notably, supplementing IBCs with 200 mg/L polymerized ferrous sulfate significantly enhanced their settling performance. By elucidating the intricate interplay of Cu(II) toxicity and IBC resistance mechanisms, this study provides a theoretical foundation for eliminating heavy metal barriers in ADE treatment.


Assuntos
Cobre , Metais Pesados , Anaerobiose , Bactérias
15.
Int J Genomics ; 2023: 4354536, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37745798

RESUMO

Background: DTW Domain Containing 2 (DTWD2) is a newly identified transfer RNA-uridine aminocarboxypropyltransferase. Dysregulated expression of DTWD1 has been reported in several malignancies, nevertheless, the role of DTWD2 in cancers remains completely unknown. Here, we aimed to initially investigate the expression and role of DTWD2 in colon adenocarcinoma. Methods: We first evaluated the transcription and mRNA levels of DTWD2 using data from The Cancer Genome Atlas. Besides, we tested its mRNA and protein expression in our enrolled retrospective cohort. Univariate and multivariate analyses were conducted to assess its prognostic value. Cellular experiments and xenografts were also performed to validate the role of DTWD2 in colon cancer progression. Results: DTWD2 was downregulated in colon adenocarcinoma and associated with poor prognosis. Lymph node metastasis, distant metastasis, and advanced tumor stage are all characterized by lower DTWD2 levels. Furthermore, Cox regression analysis demonstrated that DTWD2 is a novel independent prognostic factor for colon cancer patients. Finally, cellular and xenograft data demonstrated that silencing DTWD2 significantly enhanced colon cancer growth. Conclusion: Low expression of DTWD2 may be a potential molecular marker for poor prognosis in colon cancer.

16.
Hortic Res ; 10(9): uhad151, 2023 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-37701455

RESUMO

The widely appreciated muscat flavor of grapes and wine is mainly attributable to the monoterpenes that accumulate in ripe grape berries. To identify quantitative trait loci (QTL) for grape berry monoterpene content, an F1 mapping population was constructed by a cross between two grapevine genotypes, one with neutral aroma berries (cv. 'Beifeng') and the other with a pronounced muscat aroma (elite Vitis vinifera line '3-34'). A high-density genetic linkage map spanning 1563.7 cM was constructed using 3332 SNP markers that were assigned to 19 linkage groups. Monoterpenes were extracted from the berry of the F1 progeny, then identified and quantified by gas chromatography-mass spectrometry. Twelve stable QTLs associated with the amounts of 11 monoterpenes in berries were thus identified. In parallel, the levels of RNA in berries from 34 diverse cultivars were estimated by RNA sequencing and compared to the monoterpene content of the berries. The expression of five genes mapping to stable QTLs correlated well with the monoterpene content of berries. These genes, including the basic leucine zipper VvbZIP61 gene on chromosome 12, are therefore considered as potentially being involved in monoterpene metabolism. Overexpression of VvbZIP61 in Vitis amurensis callus through Agrobacterium-mediated transformation significantly increased the accumulation of several monoterpenes in the callus, including nerol, linalool, geranial, geraniol, ß-myrcene, and D-limonene. It is hypothesized that VvbZIP61 expression acts to increase muscat flavor in grapes. These results advance our understanding of the genetic control of monoterpene biosynthesis in grapes and provide important information for the marker-assisted selection of aroma compounds in grape breeding.

17.
Bioresour Technol ; 386: 129480, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37437813

RESUMO

Cold atmospheric pressure plasma (CAPP) technique is an innovative non-thermal approach for food preservation and decontamination. This study aimed to evaluate the effect of CAPP power density on microorganism inactivation and quality of Spirulina platensis (S. platensis) slurry. 91.31 ± 1.61% of microorganism were inactivated within 2.02 ± 0.11 min by 26.67 W/g CAPP treatment under 50 ℃. Total phenolic, Chlorophyll-a (Chl-a), and carotenoids contents were increased by 20.51%, 63.55%, and 70.04% after 20.00 W/g CAPP treatment. Phycobiliproteins (PBPs), protein, intracellular polysaccharide, and moisture content of S. platensis was decreased, while vividness, lightness, color of yellow and green, antioxidant activity, Essential Amino Acid Index were enhanced after CAPP treatment. The nutrient release and filaments breakage of CAPP-treated S. platensis improved its bio-accessibility. The findings provided a deep understanding and insight into the influence of CAPP treatment on S. platensis, which were meaningful for optimizing its sterilization and drying processing condition.


Assuntos
Gases em Plasma , Spirulina , Biomassa , Gases em Plasma/metabolismo , Spirulina/metabolismo , Pressão Atmosférica
18.
Membranes (Basel) ; 13(1)2022 Dec 28.
Artigo em Inglês | MEDLINE | ID: mdl-36676845

RESUMO

In northwest China, the limited amount of water resources are classified mostly as brackish water. Nanofiltration is a widely applied desalination technology used for brackish water treatment; however, membrane fouling restricts its application. Herein, we modified the membrane with triethanolamine (TEOA) and optimized the operating conditions (transmembrane pressure, temperature, and crossflow velocity) to control the nanofiltration membrane fouling by brackish water. Based on the physiochemical characteristics and desalination performance of the prepared membranes, the membrane modified with 2% TEOA (MPCM2) was identified as the optimal membrane, and 0.5 MPa, 25 °C, and 7 cm/s were identified as the optimal operating conditions through a series of nanofiltration experiments. Moreover, the membrane cleaning procedure for fouled MPCM2 was further determined, and a two-step cleaning procedure using ethylene diamine tetraacetic acid disodium followed by HCl with a permeance recovery rate of 98.77% was identified as the optimal cleaning procedure. Furthermore, the characterizations of the fouled and cleaned MPCM2 showed that the optimized cleaning procedure could recover the properties of MPCM2 to near virgin. This study is of great significance for the long-term stable operation of nanofiltration processes in brackish water treatment to ensure the supply of healthy water in the water-deficient areas of northwest China.

19.
Appl Immunohistochem Mol Morphol ; 30(5): 375-382, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35353722

RESUMO

BACKGROUNDS: Special AT-rich sequence-binding protein 1 (SATB1) belongs to the chromatin-remodeling protein which regulates different genes expression. High expression of SATB1 was found to be associated with the development of certain carcinomas. However, the functions of SATB1 in colon adenocarcinoma (CAC) remains unclear yet. Our study aims to investigate the potential role of SATB1 in CAC and whether it is associated with the unfavorable symptoms of CAC patients. METHODS: The expression pattern of SATB1 was measured in CAC samples and adjacent noncancerous samples through quantitative real-time polymerase chain reaction and immunohistochemistry staining. We performed univariate and multivariate analyses to evaluate the clinical role of SATB1 in enrolled patients. The Kaplan-Meier analyses and log-rank tests were carried out to assess the clinicopathologic characteristics. The effect of SATB1 in human colon cancer cells was examined through cellular experiments. RESULTS: The expression level of SATB1 in CAC tissues was significantly elevated compared with adjacent control tissues. High expression of SATB1 in tumor tissue was found to be associated with lymph node metastasis and advanced TNM stage. Higher SATB1 level in CAC patients indicated a worse 5-year survival time. Moreover, high SATB1 was defined as an independent poor prognostic factor. Cellular experiments showed that inhibition of the SATB1 protein level in human colon cells could suppress the migration and invasion capabilities. CONCLUSIONS: Our findings revealed that high expression of SATB1 was significantly correlated with the poor clinical features and prognosis of CAC patients. It indicated that SATB1 might serve as a potential prognostic predictor and novel drug target for CAC treatment.


Assuntos
Adenocarcinoma , Neoplasias do Colo , Proteínas de Ligação à Região de Interação com a Matriz , Adenocarcinoma/patologia , Biomarcadores Tumorais/metabolismo , Neoplasias do Colo/patologia , Humanos , Imuno-Histoquímica , Estimativa de Kaplan-Meier , Proteínas de Ligação à Região de Interação com a Matriz/metabolismo , Fatores de Transcrição
20.
Front Psychiatry ; 12: 694575, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34366925

RESUMO

Mindfulness-based cognitive therapy (MBCT) has been increasingly recognized as effective in different mental illnesses, but these effects are limited in schizophrenia. For patients with schizophrenia, stigma is one of the most negative factors that affects treatment, rehabilitation and social function. This research aimed to determine the effects of MBCT on stigma in patients with schizophrenia. In total, 62 inpatients with schizophrenia were recruited and randomly assigned to the experimental group or control group. The experimental group received an 8-week MBCT intervention, and the control group were treated as usual. Link's Stigma Scales (with three subscales, including perceived devaluation-discrimination (PDD), stigma-coping orientation, and stigma-related feeling), Five Facet Mindfulness Questionnaire (FFMQ), and Insight and Treatment Attitudes Questionnaire (ITAQ) were used to collect data before and after intervention. After intervention, the post-test score of PDD, stigma-coping orientation, FFMQ, and ITAQ were significantly different between the experimental group and the control group. In the experimental group, the PDD and stigma-coping orientation scores significantly decreased, and FFMQ and ITAQ scores increased remarkably (P < 0.05). In addition, correlation analysis revealed a significant negative correlation between mindfulness and stigma. MBCT was effective in reducing stigma in patients with schizophrenia, which mainly manifested as changes in the patients' perception of stigma as well as the withdrawal and avoidance caused by schizophrenia. Enhancing mindfulness will help reduce the stigma level. MBCT is worthy of promotion and application in patients with schizophrenia.

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