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1.
Proc Natl Acad Sci U S A ; 121(9): e2309153121, 2024 Feb 27.
Artigo em Inglês | MEDLINE | ID: mdl-38386711

RESUMO

The molecular mechanisms leading to the establishment of immunological memory are inadequately understood, limiting the development of effective vaccines and durable antitumor immune therapies. Here, we show that ectopic OCA-B expression is sufficient to improve antiviral memory recall responses, while having minimal effects on primary effector responses. At peak viral response, short-lived effector T cell populations are expanded but show increased Gadd45b and Socs2 expression, while memory precursor effector cells show increased expression of Bcl2, Il7r, and Tcf7 on a per-cell basis. Using an OCA-B mCherry reporter mouse line, we observe high OCA-B expression in CD4+ central memory T cells. We show that early in viral infection, endogenously elevated OCA-B expression prospectively identifies memory precursor cells with increased survival capability and memory recall potential. Cumulatively, the results demonstrate that OCA-B is both necessary and sufficient to promote CD4 T cell memory in vivo and can be used to prospectively identify memory precursor cells.


Assuntos
Linfócitos T CD4-Positivos , Células T de Memória , Animais , Camundongos , Memória Imunológica , Memória , Receptores de Interleucina-7 , Transativadores , Proteínas GADD45 , Antígenos de Diferenciação
2.
J Cell Sci ; 136(11)2023 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-37288769

RESUMO

The mechanical environment of a cell can have many effects, but whether it impacts the DNA sequence of a cell has remained unexamined. To investigate this, we developed a live-cell method to measure changes in chromosome numbers. We edited constitutive genes with GFP or RFP tags on single alleles and discovered that cells that lose Chromosome reporters (ChReporters) become non-fluorescent. We applied our new tools to confined mitosis and to inhibition of the putative tumor suppressor myosin-II. We quantified compression of mitotic chromatin in vivo and demonstrated that similar compression in vitro resulted in cell death, but also rare and heritable ChReptorter loss. Myosin-II suppression rescued lethal multipolar divisions and maximized ChReporter loss during three-dimensional (3D) compression and two-dimensional (2D) lateral confinement, but not in standard 2D culture. ChReporter loss was associated with chromosome mis-segregation, rather than just the number of divisions, and loss in vitro and in mice was selected against in subsequent 2D cultures. Inhibition of the spindle assembly checkpoint (SAC) caused ChReporter loss in 2D culture, as expected, but not during 3D compression, suggesting a SAC perturbation. Thus, ChReporters enable diverse studies of viable genetic changes, and show that confinement and myosin-II affect DNA sequence and mechano-evolution.


Assuntos
Cromossomos , Mitose , Animais , Camundongos , Mitose/genética , Cromossomos/genética , Segregação de Cromossomos/genética , Miosinas/genética , Miosinas/metabolismo , Fuso Acromático/metabolismo , Aneuploidia
3.
J Obstet Gynaecol Res ; 50(2): 233-244, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37984439

RESUMO

AIM: Most endometrial cancer (EC) patients are diagnosed at an early-stage (FIGO stage I or II), with a favorable prognosis. However, some high-grade, early-stage EC patients have unexpected recurrences and undesirable results, the molecular alterations that underlie these tumors are far from being fully understood. Our goal was to use proteome analysis to examine dysregulated pathways in this specific subgroup of EC. METHODS: We used data-independent acquisition (DIA) quantitative proteomics to analyze cancer and matched paracancerous tissues from 20 EC patients (10 high-grade and 10 low-grade). Immunohistochemistry (IHC) analysis was used to validate protein expression of six hub genes. RESULTS: In total, 7107 proteins were quantified, while 225 downregulated and 366 upregulated proteins in high-grade cancer tissues, 130 downregulated and 413 upregulated proteins in high-grade paracancerous tissues. The pathway associated with oxidative phosphorylation (OXPHOS) was upregulated and have similar expression patterns in high-grade EC tissues and matched paracancerous tissues. OXPHOS-related protein, ATP5F1D showed the best classification and diagnostic ability in distinguishing high-grade from low-grade EC. In both cancer and paracancerous tissues, double-label immunofluorescence demonstrated ITGA4 and COL4A1 co-localized at the basal membrane. CONCLUSIONS: Our present works elucidate that metabolism reprogramming is associated with high-grade, early-stage EC, particularly OXPHOS is upregulated. Noticeably, the paracancerous tissues have undergone molecular changes similar to cancer tissues, maybe they have signal exchange via secreted proteins (ITGA4 and COL4A1). The upregulation of OXPHOS-related proteins may be the potential biomarker for EC diagnosis, and targeting OXPHOS metabolism might be an effective treatment for high-grade, early-stage EC.


Assuntos
Neoplasias do Endométrio , Proteômica , Feminino , Humanos , Neoplasias do Endométrio/patologia , Prognóstico , Endométrio/patologia , Resultado do Tratamento
4.
Gynecol Oncol ; 169: 17-26, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-36469973

RESUMO

OBJECTIVE: Adjuvant radiotherapy has been commonly performed in uterine sarcoma patients, but its role in overall survival (OS) remains controversial. Therefore, our study aimed to build a nomogram-based prognostic stratification to identify uterine sarcoma patients who might benefit from adjuvant radiotherapy. METHODS: Uterine sarcoma patients without distant metastases between 2004 and 2015 were identified from the Surveillance, Epidemiology, and End Results (SEER) database. The LASSO Cox regression was performed to identify essential prognostic predictors and a nomogram was built to predict the 1-, 3-, and 5-year OS. Receiver operating characteristic (ROC), calibration curves, and decision curve analysis (DCA) were used to validate the nomogram. Finally, prognostic stratification was performed by decision tree analysis based on the total points of the nomogram. RESULTS: 2871 patients with uterine sarcoma were included. Preliminary analysis suggested that adjuvant radiotherapy failed to provide an OS benefit for the total population without our nomogram. The built nomogram showed good discrimination and calibration abilities to predict the OS in uterine sarcoma patients and the patients were stratified into three risk groups based on the nomogram. For patients in the high-risk group, adjuvant radiotherapy significantly improved the 5-year OS and median survival time by 26.4% and 17 months, respectively (P < 0.001); while radiotherapy failed to improve the survival outcomes of patients in the low- and intermediate-risk groups. CONCLUSIONS: The nomogram-based prognostic stratification provides preliminary characterization of uterine sarcoma patients who may benefit from radiotherapy. The newly defined high-risk patients may gain significant OS benefit from adjuvant radiotherapy.


Assuntos
Neoplasias Pélvicas , Sarcoma , Humanos , Radioterapia Adjuvante , Nomogramas , Bases de Dados Factuais , Sarcoma/radioterapia , Programa de SEER
5.
Int J Gynecol Cancer ; 2023 Oct 11.
Artigo em Inglês | MEDLINE | ID: mdl-37821125

RESUMO

OBJECTIVE: This study aimed to examine the correlation between malignant peritoneal cytology and overall survival among patients with uterine leiomyosarcoma and endometrial stromal sarcoma. METHODS: Patients with uterine leiomyosarcoma and endometrial stromal sarcoma between January 2010 and December 2016 were identified from the Surveillance, Epidemiology, and End Results database. The multiple imputation method was used to address missing values. Propensity score matching was conducted to balance baseline data between the malignant and negative peritoneal cytology groups. The prognostic significance of malignant peritoneal cytology was evaluated using Cox regression, random survival forest, and subgroup analyses. RESULTS: Among 733 eligible patients, 8% (59/733) had malignant peritoneal cytology, increasing to 20% (42/209) in advanced cases. Before and after propensity score matching, patients with malignant peritoneal cytology had significantly lower 5-year overall survival rates and shorter median survival time than patients with negative peritoneal cytology. Multivariate Cox regression revealed that malignant peritoneal cytology (hazard ratio 2.03, 95% confidence interval 1.29 to 3.20, p=0.002) was an independent prognostic factor for uterine leiomyosarcoma and endometrial stromal sarcoma. Random survival forest further indicated that, among the factors analyzed, peritoneal cytology status was second only to the International Federation of Gynecology and Obstetrics (FIGO) stage in terms of prognostic prediction. Finally, subgroup analyses substantiated the correlation between malignant peritoneal cytology and unfavorable overall survival in most subgroups. CONCLUSIONS: Malignant peritoneal cytology status was an important prognostic factor complementing FIGO stage and was associated with a reduction in overall survival. Peritoneal cytology evaluation during hysterectomy may be recommended for prognosis estimation for uterine leiomyosarcoma and endometrial stromal sarcoma.

6.
J Obstet Gynaecol Res ; 49(8): 2000-2009, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37317594

RESUMO

AIM: To explore the role of salt-inducible kinase 2 (SIK2) on glucose and lipid metabolism in ovarian cancer (OC), so as to increase the understanding of potential inhibitors targeting SIK2 and lay a foundation for future precision medicine in OC patients. METHODS: We reviewed and summarized the regulation effect of SIK2 on glycolysis, gluconeogenesis, lipid synthesis, and fatty acids ß-oxidation (FAO) in OC, as well as the potential molecular mechanism and the prospects of potential inhibitors targeting SIK2 in future cancer treatments. RESULTS: Many pieces of evidence show that SIK2 is closed associated with glucose and lipid metabolism of OC. On the one hand, SIK2 enhances the Warburg effect by promoting glycolysis and inhibiting oxidative phosphorylation and gluconeogenesis, on the other hand, SIK2 regulates intracellular lipid metabolism through promoting lipid synthesis and FAO, all of which ultimately induces growth, proliferation, invasion, metastasis, and therapeutic resistance of OC. On this basis, SIK2 targeting may become a new solution for the treatment of a variety of cancer types including OC. The efficacy of some small molecule kinase inhibitors has also been demonstrated in tumor clinical trials. CONCLUSION: SIK2 displays significant effects in OC progression and treatment through regulating cellular metabolism including glucose and lipid metabolism. Therefore, future research needs to further explore the molecular mechanisms of SIK2 in other types of energy metabolism in OC, based on this to develop more unique and effective inhibitors.


Assuntos
Neoplasias Ovarianas , Proteínas Serina-Treonina Quinases , Humanos , Feminino , Neoplasias Ovarianas/tratamento farmacológico , Neoplasias Ovarianas/patologia , Fosforilação Oxidativa , Glucose/metabolismo , Lipídeos
7.
Neoplasma ; 68(6): 1190-1200, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34533030

RESUMO

Cell proliferation and migration play important parts in ovarian cancer progression. BMP9, as one of the members of the TGF-ß superfamily and BMP family, plays a diverse and significant array of biological roles, including cell differentiation, proliferation, apoptosis, tumorigenesis, and metabolism. However, the role and mechanism of BMP9 in ovarian cancer progression remains uncertain. We found that the expression of BMP9 was increased in human ovarian cancer cell lines, which induced Notch1 intracellular domain (NICD1) accumulation. And we also found the expression abundance of BMP9 is low in ovarian cancer cells. Thus, we generated recombinant adenoviruses overexpressing BMP9 to perform the research. We found that overexpression of BMP9 promoted ovarian cancer cell proliferative viability, cell cycle progression, cell migration in vitro, and accelerated subcutaneous tumor growth in vivo, which was inhibited by dominant-negative mutant Notch1 recombinant adenoviruses. Besides, we also demonstrated that silencing of BMP9 by recombinant adenoviruses inhibited ovarian cancer cell viability and migration in vitro. Additionally, BMP9-induced ovarian cancer cell progression also involved the elevation of HES2, c-Myc, MMP9, and Cyclin D1, as well as repressed expression of p27. Together, these results revealed that BMP9 acts as a promoting factor in ovarian cancer progression, and overexpression of BMP9 promotes ovarian cancer progression and growth via Notch1 signaling. Thereby our research may provide new insight into the pathogenesis of ovarian cancer and BMP9-Notch1 signaling may serve as a novel therapeutic target axis for ovarian cancer treatment.


Assuntos
Fator 2 de Diferenciação de Crescimento/genética , Neoplasias Ovarianas , Receptor Notch1 , Carcinoma Epitelial do Ovário , Proliferação de Células , Feminino , Humanos , Neoplasias Ovarianas/genética , Receptor Notch1/genética , Transdução de Sinais
8.
Biomol Biomed ; 24(2): 346-359, 2024 Mar 11.
Artigo em Inglês | MEDLINE | ID: mdl-37688492

RESUMO

As a crucial regulator influencing tumor progression, nicotinamide adenine dinucleotide (NAD+) is widely acknowledged. However, its role in endometrial cancer (EC) is not completely understood. In this study, we aimed to develop an NAD+metabolic-related genes (NMRGs) risk signature that could reflect the prognosis of EC patients and their responsiveness to immunotherapy and chemotherapy. Data from The Cancer Genome Atlas (TCGA) databases and the Molecular Signatures Database (MSigDB) confirmed two distinct NMRG subtypes in EC patients using consensus clustering, and a risk score was constructed utilizing an NAD+-related prognostic signature depending on the least absolute shrinkage and selection operator (LASSO) Cox regression analysis. Receiver operating characteristic (ROC) curves were employed to assess the model's precision. Additionally, we used Gene Set Enrichment Analysis (GSEA) to predict the biological signaling pathways that might be involved. We also explored the role of the risk score in immune cell infiltration, tumor mutation burden (TMB), immunotherapy, and chemotherapy. Our study established a prognostic risk signature based on six NMRGs, and we observed that the high-risk group was associated with a poorer prognosis. Furthermore, we identified a strong correlation between the high-risk group and several pathways, including DNA replication, cell cycle, and mismatch repair. Lastly, our findings highlighted the influence of NMRGs on the regulation of immune infiltration in EC. Therefore, this signature holds potential value in predicting the prognosis of EC patients and guiding their management, including decisions regarding immunotherapy and chemotherapy, ultimately improving the accuracy of EC patient care.


Assuntos
Neoplasias do Endométrio , NAD , Humanos , Feminino , Prognóstico , Ciclo Celular , Divisão Celular
9.
Reprod Sci ; 2024 Jun 07.
Artigo em Inglês | MEDLINE | ID: mdl-38848038

RESUMO

BACKGROUND: POI is a multifactorial disease due to lack of estrogen resulting in symptoms such as insomnia, osteoporosis, and voiding disorders. For most women, fertility is affected. Autoimmune diseases are chronic diseases caused by disorders of immune regulation that often harm the ovaries. Recent epidemiological studies have reported a correlation between autoimmune diseases (AIDs) and premature ovarian insufficiency (POI). This study aims to explore the causal relationship between AIDs and POI using bidirectional two-sample Mendelian randomization (MR). The data regarded AIDs from the Genome-wide association studies (GWAS) Catalog and the IEU Open GWAS project. POI was obtained from the FinnGen Study. All data were extracted from European populations. We used bidirectional MR with inverse variance weighting (IVW) as the primary study method, supplemented by weighted median and MR Egger validation analyses. Our original data has been uploaded to Figshare, number and distribution of the DOI (DOI: 10.6084 / m9 Figshare. 25,525,585). Figshare is an open-access data storage and sharing platform designed to make it easy for researchers to store, manage, and share their research data, code, and other academic achievements. Our study showed that the liability to Systemic lupus erythematosus (SLE) and Myasthenia gravis (MG) affect POI risk. The reverse MR analysis supported the effect of POI on Crohn's disease (CD). The result of the IVW method was supported by the sensitivity MR analysis. The IVW results showed that the odds ratio (OR) value of SLE was 1.13 and MG was 0.83. In the reverse MR, the OR value of CD was 1.22. We used MR methods to look into the causal association between 13 different kinds of AIDs and POI. Our study took a novel approach to traditional observational studies by adhering to the MR principle, which states that gamete formation depends on random assortment independent of external variables and that genetic variations precede outcomes, reducing the risk of reverse causality. The study found a correlation between SLE, MG, CD, and POI. Patients with SLE should have their ovarian function checked regularly, while those with POI should be aware of the possibility of CD and pay attention to their CD screening. MG, as a protective factor, can reduce the risk of POI.

10.
Geburtshilfe Frauenheilkd ; 84(4): 334-345, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38618576

RESUMO

The high prevalence of preeclampsia (PE) is a major cause of maternal and fetal mortality and affects the long-term prognosis of both mother and baby. Termination of pregnancy is currently the only effective treatment for PE, so there is an urgent need for research into its pathogenesis and the development of new therapeutic approaches. The NFκB family of transcription factors has an essential role in inflammation and innate immunity. In this review, we summarize the role of NFκB in normal and preeclampsia pregnancies, the role of NFκB in existing treatment strategies, and potential NFκB treatment strategies.

11.
Environ Sci Pollut Res Int ; 30(43): 96860-96874, 2023 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-37581735

RESUMO

New urbanization construction is important for promoting sustainable economic growth in resource-based cities and can help resource-based cities achieve a sustainable development model with efficient resource allocation and green and low-carbon industrial transformation. Based on the background of the comprehensive pilot policy of new urbanization, we examined whether new urbanization construction promoted the economic growth of resource-based cities using 2011-2017 data on prefecture-level cities and the difference-in-differences (DID) method. It was found that new urbanization construction significantly promoted the growth in GDP per capita of resource-based cities, with a coefficient estimate of 0.1330, and this result passed a robustness test. The mechanism test indicated that new urbanization construction promoted the economic growth of resource-based cities by improving the efficiency of resource allocation and promoting industrial structure upgrading, with interaction term coefficient estimates of 0.1465 and 0.2929, respectively. Heterogeneity analysis showed that the policy effect of new urbanization construction was stronger in resource-rich cities than in resource-poor cities, significant in energy-based resource-based cities but not in metal-based and other resource-based cities, and significant in resource-based cities in the eastern and western regions of China but not in the central region. This study provides government departments implementing new urbanization policies with the results of a policy performance assessment of new urbanization construction for resource-based cities and feasible policy recommendations for the sustainable transformation of resource-based cities.


Assuntos
Desenvolvimento Econômico , Urbanização , Cidades , Desenvolvimento Sustentável , China
12.
Front Endocrinol (Lausanne) ; 14: 1274327, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38033999

RESUMO

Objective: To study the effect of type 2 diabetes mellitus(T2DM)on overall ovarian reserve and pregnancy outcomes during assisted reproductive technology (ART) among childbearing infertile women. Design: Retrospective cohort study. Setting: The Reproductive Medicine Special Hospital, The First Hospital of Lanzhou University, between January 2019 and December 2022. Patients: A total of 265 infertile female patients aged 20-45 years who underwent in vitro fertilization-embryo transfer (IVF-ET), intracytoplasmic sperm injection-embryo transfer (ICSI-ET), or rescue intracytoplasmic sperm injection-embryo transfer (RICSI-ET) in the first fresh cycle. Interventions: None. Main Outcome Measures: Serum Anti-Müllerian Hormone (AMH) levels, clinical pregnancy rate (CPR), live birth rate (LBR), and abortion rate (AR) in the T2DM group and non-T2DM group. Results: Patients with T2DM showed statistically decreased levels of AMH compared to the non-T2DM group. During ovarian stimulation, those with T2DM required significantly higher total and initial doses of gonadotropin (GN), although they had fewer retrieved oocytes and worse pregnancy outcomes than the non-T2DM group. Multivariate logistic regression analysis adjusting for confounding factors showed that T2DM alone was an independent risk factor for CPR and LBR (adjusted odds ratio [a OR], 0.458, adjusted 95% confidence interval [CI], 0.235-0.891, P = 0.022; a OR, 0.227, 95% CI, 0.101-0.513, P<0.001; respectively), and the abortion rate in the T2DM group was 3.316 times higher than the non-T2DM group(a OR, 3.316, 95%CI, 1.248-8.811, P = 0.016). Conclusion: Infertile patients with T2DM have decreased ovarian reserve, and T2DM has a deleterious impact on clinical pregnancy outcomes during the ART process compared with non-T2DM infertile women. Capsule: Infertile women with T2DM have decreased ovarian reserve and pregnancy outcomes during the assisted reproductive technology process compared with non-T2DM infertile women.


Assuntos
Diabetes Mellitus Tipo 2 , Infertilidade Feminina , Reserva Ovariana , Gravidez , Humanos , Masculino , Feminino , Resultado da Gravidez , Fertilização in vitro , Infertilidade Feminina/etiologia , Infertilidade Feminina/terapia , Estudos Retrospectivos , Diabetes Mellitus Tipo 2/complicações , Sêmen
13.
Reprod Sci ; 30(6): 1965-1978, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36587055

RESUMO

Diminished ovarian reserve (DOR) is an etiologically heterogeneous disorder that usually leads to poor reproductive outcomes. Does a specific or common pathogenesis exist for DOR subtypes with different etiologies? Two frequently used mouse models, age-related DOR (AR-DOR) and cyclophosphamide (CTX)-induced DOR (CTX-DOR), were successfully established, and RNA sequencing was performed on ovarian tissue samples. Differentially expressed genes (DEGs) in each subtype and common DEGs (co-DEGs) in the two subtypes were identified. Subsequently, we performed comprehensive bioinformatics analyses, including an evaluation of immune cell infiltration. Finally, the genes of interest were further validated by performing RT-qPCR and immunohistochemistry. In AR-DOR mice, functional enrichment analyses showed that upregulated DEGs were mainly involved in the inflammatory/immune response, while downregulated DEGs were involved in DNA damage repair. In CTX-DOR mice, the inflammatory/immune response and cell apoptosis played significant roles. Meanwhile, 406 co-DEGs were identified from the two models. The biological functions of these co-DEGs were associated with inflammatory/immune responses. The analysis of immune cell infiltration showed reduced infiltration of Treg cells, as well as increased infiltration of M0 macrophages, NK resting, and T cells CD4 follicular in both DOR subtypes. The results of the validation experiments were consistent with the RNA sequencing data. In conclusion, the inflammatory/immune response might be the common pathogenesis for the two DOR subtypes, while DNA repair and cell apoptosis may have different roles in the two subtypes. These results may provide potential insights for mechanistic research and therapeutic targets of DOR.


Assuntos
Doenças Ovarianas , Reserva Ovariana , Humanos , Feminino , Animais , Camundongos , Reserva Ovariana/fisiologia , Ciclofosfamida/toxicidade , RNA
14.
Genes (Basel) ; 14(9)2023 Aug 27.
Artigo em Inglês | MEDLINE | ID: mdl-37761844

RESUMO

In recent years, the related research of the WRKY gene family has been gradually promoted, which is mainly reflected in the aspects of environmental stress and hormone response. However, to make the study of the WRKY gene family more complete, we also need to focus on the whole-genome analysis and identification of the family. In previous studies, the whole WRKY gene family of Arabidopsis, legumes and other plants has been thoroughly studied. However, since the publication of Asparagus officinalis genome-wide data, there has never been an analysis of the whole WRKY gene family. To understand more broadly the function of the WRKY gene family, the whole genome and salt stress transcriptome data of asparagus were used for comprehensive analysis in this study, including WRKY gene family identification, phylogenetic tree construction, analysis of conserved mods and gene domains, extraction of cis-acting elements, intron/exon analysis, species collinearity analysis, and WRKY expression analysis under salt stress. The results showed that a total of 70 genes were selected and randomly distributed on 10 chromosomes and one undefined chromosome. According to the functional classification of Arabidopsis thaliana, the WRKY family of asparagus was divided into 11 subgroups (C1-C9, U1, U2). It is worth considering that the distribution rules of gene-conserved motifs, gene domains and introns/exons in the same subfamily are similar, which suggests that genes in the same subfamily may regulate similar physiological processes. In this study, 11 cis-acting elements of WRKY family were selected, among which auxin, gibberellin, abscisic acid, salicylic acid and other hormone-regulated induction elements were involved. In addition, environmental stress (such as drought stress and low-temperature response) also accounted for a large proportion. Interestingly, we analyzed a total of two tandem duplicate genes and 13 segmental duplication genes, suggesting that this is related to the amplification of the WRKY gene family. Transcriptome data analysis showed that WRKY family genes could regulate plant growth and development by up-regulating and down-regulating gene expression under salt stress. Volcanic maps showed that 3 and 15 AoWRKY genes were significantly up-regulated or down-regulated in NI&NI+S and AMF&AMF+S, respectively. These results provide a new way to analyze the evolution and function of the WRKY gene family, and can provide a reference for the production and research of asparagus.

15.
Pathol Res Pract ; 238: 154073, 2022 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-36007396

RESUMO

Ovarian cancer (OC) is one of the most aggressive tumors in women and has a poor prognosis and the highest mortality rate. Circular RNAs (circRNAs) are a type of endogenous non-coding RNAs that have recently attracted interest in cancer research. Increasing evidence has demonstrated that circRNAs play an oncogenic or suppressive role in tumorigenesis and progression, and show tissue- or developmental-stage-specific expression. Due to high stability, conservation, abundance, and specificity, circRNAs are considered promising biomarkers for the diagnosis and prognosis of cancer. Herein, we have summarized the expression profiles of circRNAs in OC tissues, serums, and cell lines. Moreover, we discuss how circRNAs participate in the regulation of multiple biological processes in OC, including cell proliferation, apoptosis, migration, invasion, autophagy, epithelial-to-mesenchymal transition, glucose metabolism, angiogenesis, immune response, and chemotherapy resistance, by sponging microRNAs and interacting with proteins.

16.
Genes (Basel) ; 14(1)2022 12 24.
Artigo em Inglês | MEDLINE | ID: mdl-36672798

RESUMO

GRAS genes exist widely and play vital roles in various physiological processes in plants. In this study, to identify Theobroma cacao (T. cacao) GRAS genes involved in environmental stress and phytohormones, we conducted a genome-wide analysis of the GRAS gene family in T. cacao. A total of 46 GRAS genes of T. cacao were identified. Chromosomal distribution analysis showed that all the TcGRAS genes were evenly distributed on ten chromosomes. Phylogenetic relationships revealed that GRAS proteins could be divided into twelve subfamilies (HAM: 6, LISCL: 10, LAS: 1, SCL4/7: 1, SCR: 4, DLT: 1, SCL3: 3, DELLA: 4, SHR: 5, PAT1: 6, UN1: 1, UN2: 4). Of the T. cacao GRAS genes, all contained the GRAS domain or GRAS superfamily domain. Subcellular localization analysis predicted that TcGRAS proteins were located in the nucleus, chloroplast, and endomembrane system. Gene duplication analysis showed that there were two pairs of tandem repeats and six pairs of fragment duplications, which may account for the rapid expansion in T. cacao. In addition, we also predicted the physicochemical properties and cis-acting elements. The analysis of GO annotation predicted that the TcGRAS genes were involved in many biological processes. This study highlights the evolution, diversity, and characterization of the GRAS genes in T. cacao and provides the first comprehensive analysis of this gene family in the cacao genome.


Assuntos
Cacau , Filogenia , Cacau/genética , Perfilação da Expressão Gênica , Família Multigênica , Proteínas de Plantas/metabolismo , Fatores de Transcrição/metabolismo
17.
Genes (Basel) ; 13(9)2022 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-36140738

RESUMO

The MYB gene family is involved in the regulation of plant growth, development and stress responses. In this paper, to identify Theobroma cacao R2R3-MYB (TcMYB) genes involved in environmental stress and phytohormones, we conducted a genome-wide analysis of the R2R3-MYB gene family in Theobroma cacao (cacao). A total of 116 TcMYB genes were identified, and they were divided into 23 subgroups according to the phylogenetic analysis. Meanwhile, the conserved motifs, gene structures and cis-acting elements of promoters were analyzed. Moreover, these TcMYB genes were distributed on 10 chromosomes. We conducted a synteny analysis to understand the evolution of the cacao R2R3-MYB gene family. A total of 37 gene pairs of TcMYB genes were identified through tandem or segmental duplication events. Additionally, we also predicted the subcellular localization and physicochemical properties. All the studies showed that TcMYB genes have multiple functions, including responding to environmental stresses. The results provide an understanding of R2R3-MYB in Theobroma cacao and lay the foundation for a further functional analysis of TcMYB genes in the growth of cacao.


Assuntos
Cacau , Genes myb , Cacau/genética , Família Multigênica , Filogenia , Reguladores de Crescimento de Plantas , Proteínas de Plantas/química , Fatores de Transcrição/química , Fatores de Transcrição/genética
18.
Zhongguo Zhong Xi Yi Jie He Za Zhi ; 25(6): 540-2, 2005 Jun.
Artigo em Zh | MEDLINE | ID: mdl-16025972

RESUMO

OBJECTIVE: To observe the clinical efficacy of methotrexate (MTX) combined with total glucosides of Peony (TGP) on rheumatoid arthritis (RA). METHODS: Sixty-one RA patients were divided into 2 groups, 30 patients in the MTX group were only administered orally with MTX, while 31 patients in the combined treated group were treated with MTX plus TGP, the therapeutic course for both groups was 3 months. RESULTS: The total effective rate was 90%, 94%, 100% in the MTX plus TGP group, and 87%, 90%, 94% in the MTX group at 4, 8 and 12 weeks after treatment respectively, comparison of the therapeutic effect between the two groups showed insignificant difference (P > 0.05). The erythrocyte sedimentation rate (ESR) and the level of C-reactive protein were significantly decreased in both groups, but the decrement in the MTX plus TGP group was more than those in the MTX group. CONCLUSION: MTX plus TGP treatment is characterized by quick initiating, with stable clinical efficacy, few side effects and high compliance, it is more suitable for aged RA patients.


Assuntos
Artrite Reumatoide/tratamento farmacológico , Glucosídeos/uso terapêutico , Metotrexato/uso terapêutico , Paeonia/química , Fitoterapia , Adulto , Idoso , Anti-Inflamatórios não Esteroides/uso terapêutico , Quimioterapia Combinada , Feminino , Humanos , Imunossupressores/uso terapêutico , Masculino , Pessoa de Meia-Idade
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