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1.
Eur Arch Otorhinolaryngol ; 281(5): 2451-2462, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38189966

RESUMO

OBJECTIVES: To evaluate its effect of an evidence-based nursing program for nasal irrigation after endoscopic sinus surgery in patients with chronic rhinosinusitis (CRS). METHODS: A total of 66 patients with CRS were randomly divided into two groups, for which the experimental group received evidence-based nasal irrigation nursing, and the control group received conventional nursing. Differences in Sino-Nasal Outcome Test-20 (SNOT-20), visual analogue scale (VAS), Lund-Mackay CT, Endoscopic Lund Kennedy Score (LKES) and overall efficacy were assessed between the two groups. RESULTS: 2, 4 and 12 weeks after the intervention, the scores of SNOT-20, VAS, Lund-Mackay CT and LKES in the two groups were significantly lower than those before the surgery (P < 0.05). Compared with the control group, the scores were significantly lower in the experimental group (P < 0.05). 12 weeks after the intervention, the overall effective rate of treatment in the experimental group was 90.62%, while the control group was 16.43%, but the difference was not statistically significant in treatment effect (P > 0.05). CONCLUSIONS: The implementation of nasal irrigation evidence-based nursing program for patients with CRS after endoscopic sinus surgery can promote postoperative nasal mucosal recovery, improve treatment efficiency, and help improve patient comfort, quality of life and other subjective feelings. TRIAL REGISTRATION: The study was registered retrospectively with reference number ChiCTR2300075484 on 06/09/2023, available at: https://www.chictr.org.cn .


Assuntos
Pólipos Nasais , Rinite , Rinossinusite , Sinusite , Humanos , Qualidade de Vida , Enfermagem Baseada em Evidências , Estudos Retrospectivos , Rinite/cirurgia , Sinusite/cirurgia , Lavagem Nasal , Endoscopia , Doença Crônica , Resultado do Tratamento , Pólipos Nasais/cirurgia
2.
J Transl Med ; 21(1): 99, 2023 02 09.
Artigo em Inglês | MEDLINE | ID: mdl-36759884

RESUMO

BACKGROUND: Osteosarcoma (OS) is the most frequent and aggressive primary malignant sarcoma among adolescents and chemotherapy has not substantially progressed for decades. New insights into OS development and therapeutic strategies are urgently needed. METHODS: We analyzed integrated single-cell transcriptomes, bulk RNA-seq, and microarray data from Gene Expression Omnibus (GEO) datasets. We also used Weighted Gene Co-expression Network Analysis (WGCNA), Gene set enrichment analysis (GSEA), and Gene set variation analysis (GSVA), along with Simple ClinVar and Enrichr web servers. RESULTS: The findings of integrated single-cell analysis showed that OS arises from imperfect osteogenesis during development. Novel abnormalities comprised deficient TGFß and P53 signal pathways, and cell cycle pathway activation, and a potentially new driver mutation in the interferon induced transmembrane protein 5 (IFITM5) that might function as a pathogenic factor in OS. Osteosarcoma is characterized by oncocyte heterogeneity, especially in immunogenic and adipocyte-like subtypes that respectively promote and hamper OS treatment. Etoposide is a promising chemotherapeutic that provides palliation by affecting the subtype of OS and correcting the abnormal pathways. CONCLUSION: Various abnormal signal pathways play indispensable roles in OS development. We explored the heterogeneity and underlying mechanisms of OS and generated findings that will assist with OS assessment and selecting optimal therapies.


Assuntos
Neoplasias Ósseas , Osteossarcoma , Sarcoma , Adolescente , Humanos , Neoplasias Ósseas/genética , Osteossarcoma/genética , Osteossarcoma/patologia , Transdução de Sinais/genética , Sarcoma/genética , Perfilação da Expressão Gênica , Regulação Neoplásica da Expressão Gênica
3.
Biochem Genet ; 2023 Oct 20.
Artigo em Inglês | MEDLINE | ID: mdl-37863866

RESUMO

Recent research has explored the potential use of serum-derived biomarkers in cancer screening, and mounting evidence has illustrated the pivotal roles of long noncoding RNAs (lncRNAs) in regulating laryngeal squamous cell carcinoma (LSCC) progression. LINC02191 is a newly identified lncRNA and no studies have investigated its role in malignant tumors. This study aims to explore the functions and mechanisms of lncRNA LINC02191 in LSCC. LINC02191 was knocked down in LSCC cells using shRNAs for loss-of-function experiments. RT-qPCR revealed that LINC02191 was upregulated in LSCC patients' serum exosomes, tissues and cells. Western blotting and RT-qPCR were implemented for detecting molecular protein and RNA levels. Colony formation, CCK-8, wound healing and Transwell assays were employed for examining LSCC cell malignant behaviors in vitro. A tumor-bearing mouse model (n = 4/group) was established for examining LINC02191 role in vivo. The results showed that LINC02191 silencing hindered LSCC cell proliferation, invasiveness, migration as well as EMT in vitro and impeded tumorigenesis in xenograft mouse model. Luciferase reporter assay was utilized for verifying the interaction between LINC02191, miR-204-5p and RAB22A. Pearson correlation analysis was employed to evaluate their expression correlation in LSCC tissue specimens (N = 30). Mechanistically, LINC02191 upregulated RAB22A by binding to miR-204-5p, and knocking down LINC02191 inhibited PI3K/Akt/mTOR signaling transduction in LSCC cells and tumor-bearing mice. Moreover, RAB22A overexpression reversed LINC02191 depletion-triggered suppression of LSCC cell aggressiveness and inactivation of PI3K/Akt/mTOR signaling. In conclusion, LINC02191 aggravates LSCC by targeting miR-204-5p/RAB22A/PI3K/Akt/mTOR signaling pathway, which indicates that LINC02191 may serve as a promising target for LSCC treatment.

4.
Proc Natl Acad Sci U S A ; 116(26): 12833-12838, 2019 06 25.
Artigo em Inglês | MEDLINE | ID: mdl-31182591

RESUMO

Polyphosphate (polyP), which is found in various microorganisms and human cells, is an anionic biopolymer consisting of inorganic phosphates linked by high-energy phosphate bonds. Previous studies revealed that polyPs strongly promoted the amyloid formation of several amyloidogenic proteins; however, the mechanism of polyP-induced amyloid formation remains unclear. In the present study using ß2-microglobulin (ß2m), a protein responsible for dialysis-related amyloidosis, we investigated amyloid formation in the presence of various chain lengths of polyPs at different concentrations under both acidic (pH 2.0 to 2.5) and neutral pH (pH 7.0 to 7.5) conditions. We found that the amyloid formation of ß2m at acidic pH was significantly accelerated by the addition of polyPs at an optimal polyP concentration, which decreased with an increase in chain length. The results obtained indicated that electrostatic interactions between positively charged ß2m and negatively charged polyPs play a major role in amyloid formation. Under neutral pH conditions, long polyP with 60 to 70 phosphates induced the amyloid formation of ß2m at several micromoles per liter, a similar concentration range to that in vivo. Since ß2m with an isoelectric point of 6.4 has a slightly negative net charge at pH 7, polyPs were unlikely to interact with ß2m electrostatically. PolyPs appear to dehydrate water molecules around ß2m under the unfolded conformation, leading to the preferential stabilization of less water-exposed amyloid fibrils. These results not only revealed the pH-dependent mechanism of the amyloid formation of ß2m but also suggested that polyPs play an important role in the development of dialysis-related amyloidosis.


Assuntos
Amiloide/química , Microglobulina beta-2/química , Humanos , Concentração de Íons de Hidrogênio , Polimerização , Polifosfatos/química , Eletricidade Estática
5.
Cancer Control ; 28: 10732748211041236, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34467770

RESUMO

BACKGROUND: Laryngeal cancer is a common malignancy of the head and neck, especially in northern China, including Shanxi province. This study intends to describe the epidemiological characteristics of laryngeal cancer in Shanxi Province, China, in order to support prevention and treatment efforts. METHODS: Retrospective analysis of the medical records of patients diagnosed with laryngeal cancer in hospitals in Shanxi Province from 2008 to 2012. RESULTS: The average annual incidence rate of laryngeal cancer in Shanxi province from 2008 to 2012 was 0.70/105, the Chinese population standardized incidence rate was 0.57/105 and the world population standardized incidence rate was 0.60/105. The city with the highest incidence of laryngeal cancer in Shanxi Province is Taiyuan, followed by Yangquan, and the lowest incidence are Yuncheng and Jincheng. The cases included 723 farmers (58.6%), 338 workers (27.4%), 95 government cadres (7.7%), 35 unemployed individuals (2.8%), 30 teachers (2.4%) and 13 individuals with other occupations (1.1%). The incidence of laryngeal cancer in rural areas was 0.78/105, while urban areas was 0.60/105. Of 1006 patients with smoking and drinking status reported, there were 238 both smoking and drinking (23.7%), 491 only smoking but not drinking (48.8%), 4 only drinking but not smoking (0.4%), 273 both not smoking and not drinking (27.1%) (P<0.001), and there were 695 males smoking (95.3%), 34 females smoking (4.7%) (P<0.001). Of 879 patients for whom the primary cancer location was known, 406 cases (46.2%) were supraglottic and 428 cases (48.7%) were glottic. Among 1009 patients with known pathological classification, the vast majority had squamous cell carcinoma (992 cases, 98.3%). CONCLUSIONS: To sum up, the incidence of laryngeal cancer in Shanxi Province exhibited a relatively stable trend from 2008 to 2012, and the incidence is higher in men than in women in all years. The high percentage of smokers in this study underscores the importance of smoking as a risk factor for laryngeal cancer, whereas rates of drinking did not appear to be linked. Incidence of laryngeal cancer was higher in rural areas than in urban areas, a pattern that differs from other regions of China and internationally.


Assuntos
Carcinoma de Células Escamosas/epidemiologia , Neoplasias Laríngeas/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , China/epidemiologia , Feminino , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Risco , Adulto Jovem
6.
J Foot Ankle Surg ; 60(2): 421-423, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33397580

RESUMO

Pronation external rotation (PER) fractures are unstable ankle fractures that require anatomically stable fixation. However, due to the long distance between the fibula and the posterior malleolus in PER IV, existing approaches may make it difficult for the fixation of the associated posterior joint and the lateral malleolus. We describe an S-type posterolateral approach for the open reduction and internal fixation of posterior malleolar fractures with an associated lateral malleolar fracture in PER IV.


Assuntos
Fraturas do Tornozelo , Fraturas do Tornozelo/diagnóstico por imagem , Fraturas do Tornozelo/cirurgia , Articulação do Tornozelo/diagnóstico por imagem , Articulação do Tornozelo/cirurgia , Fíbula/diagnóstico por imagem , Fíbula/cirurgia , Fixação Interna de Fraturas , Humanos , Pronação , Rotação , Resultado do Tratamento
7.
Mol Ther ; 27(2): 365-379, 2019 02 06.
Artigo em Inglês | MEDLINE | ID: mdl-30341010

RESUMO

Laryngeal squamous cell carcinoma (LSCC) is a common form of head and neck cancer with poor prognosis. However, the mechanism underlying the pathogenesis of LSCC remains unclear. Here, we demonstrated increased expression of fascin actin-bundling protein 1 (FSCN1) and decreased expression of microRNA-145-5p (miR-145-5p) in a clinical cohort of LSCC. Luciferase assay revealed that miR-145-5p is a negative regulator of FSCN1. Importantly, low miR-145-5p expression was correlated with TNM (tumor, node, metastasis) status and metastasis. Moreover, cases with low miR-145-5p/high FSCN1 expression showed poor prognosis, and these characteristics together served as independent prognostic indicators of survival. Gain- and loss-of-function studies showed that miR-145-5p overexpression or FSCN1 knockdown inhibited LSCC migration, invasion, and growth by suppressing the epithelial-mesenchymal transition along with inducing cell-cycle arrest and apoptosis. Additionally, hypermethylation of the miR-145-5p promoter suggested that repression of miR-145-5p arises through epigenetic inactivation. LSCC tumor growth in vivo could be inhibited by using miR-145-5p agomir or FSCN1 small interfering RNA (siRNA), which highlights the potential for clinical translation. Collectively, our findings indicate that miR-145-5p plays critical roles in inhibiting the progression of LSCC by suppressing FSCN1. Both miR-145-5p and FSCN1 are important potential prognostic markers and therapeutic targets for LSCC.


Assuntos
Proteínas de Transporte/metabolismo , Metilação de DNA/fisiologia , Neoplasias de Cabeça e Pescoço/genética , Neoplasias de Cabeça e Pescoço/metabolismo , Neoplasias Laríngeas/genética , Neoplasias Laríngeas/metabolismo , MicroRNAs/genética , Proteínas dos Microfilamentos/metabolismo , Regiões Promotoras Genéticas/genética , Animais , Carcinoma de Células Escamosas/genética , Carcinoma de Células Escamosas/metabolismo , Proteínas de Transporte/genética , Linhagem Celular , Linhagem Celular Tumoral , Metilação de DNA/genética , Feminino , Regulação Neoplásica da Expressão Gênica/genética , Regulação Neoplásica da Expressão Gênica/fisiologia , Células HEK293 , Humanos , Masculino , Camundongos , Camundongos Endogâmicos BALB C , Camundongos Nus , MicroRNAs/fisiologia , Proteínas dos Microfilamentos/genética
8.
Drug Dev Res ; 81(8): 1004-1018, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-32657473

RESUMO

Faced with the current large-scale public health emergency, collecting, sorting, and analyzing biomedical information related to the "SARS-CoV-2" should be done as quickly as possible to gain a global perspective, which is a basic requirement for strengthening epidemic control capacity. However, for human researchers studying viruses and hosts, the vast amount of information available cannot be processed effectively and in a timely manner, particularly if our scientific understanding is also limited, which further lowers the information processing efficiency. We present TWIRLS (Topic-wise inference engine of massive biomedical literatures), a method that can deal with various scientific problems, such as liver cancer, acute myeloid leukemia, and so forth, which can automatically acquire, organize, and classify information. Additionally, this information can be combined with independent functional data sources to build an inference system via a machine-based approach, which can provide relevant knowledge to help human researchers quickly establish subject cognition and to make more effective decisions. Using TWIRLS, we automatically analyzed more than three million words in more than 14,000 literature articles in only 4 hr. We found that an important regulatory factor angiotensin-converting enzyme 2 (ACE2) may be involved in host pathological changes on binding to the coronavirus after infection. On triggering functional changes in ACE2/AT2R, the cytokine homeostasis regulation axis becomes imbalanced via the Renin-Angiotensin System and IP-10, leading to a cytokine storm. Through a preliminary analysis of blood indices of COVID-19 patients with a history of hypertension, we found that non-ARB (Angiotensin II receptor blockers) users had more symptoms of severe illness than ARB users. This suggests ARBs could potentially be used to treat acute lung injury caused by coronavirus infection.

9.
Proteomics ; 19(21-22): e1900059, 2019 11.
Artigo em Inglês | MEDLINE | ID: mdl-31287215

RESUMO

Dysregulation of fascin actin-bundling protein 1 (FSCN1) enhances cell proliferation, invasion, and motility in laryngeal squamous cell carcinoma (LSCC), while the mechanism remains unclear. Here, co-immunoprecipitation and mass spectrometry is utilized to identify potential FSCN1-binding proteins. Functional annotation of FSCN1-binding proteins are performed by Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis. Furthermore, the protein-protein interaction network of FSNC1-binding proteins is constructed and the interactions between FSCN1 and novel identified interacting proteins AIMP1 and LTA4H are validated. Moreover, the expression and functional role of AIMP1 and LTA4H in LSCC are investigated. A total of 123 proteins are identified as potential FSCN1-binding proteins, and functional annotation shows that FSCN1-binding proteins are significantly enriched in carcinogenic processes, such as filopodium assembly-regulation and GTPase activity. Co-IP/western blotting and immunofluorescence confirm that AIMP1 and LTA4H bind and colocalize with FSCN1. Furthermore, both AIMP1 and LTA4H are upregulated in LSCC tissues, and knockdown of AIMP1 or LTA4H inhibits LSCC cell proliferation, migration, and invasion. Collectively, the identification of FSCN1-binding partners enhances understanding of the mechanism of FSCN1-mediated malignant phenotypes, and these findings indicate that FSCN1 binds to AIMP1 and LTA4H might promote the progression of LSCC.


Assuntos
Carcinoma de Células Escamosas/genética , Proteínas de Transporte/genética , Citocinas/genética , Epóxido Hidrolases/genética , Neoplasias Laríngeas/genética , Proteínas dos Microfilamentos/genética , Proteínas de Neoplasias/genética , Proteínas de Ligação a RNA/genética , Carcinoma de Células Escamosas/patologia , Movimento Celular/genética , Proliferação de Células/genética , Regulação Neoplásica da Expressão Gênica/genética , Humanos , Neoplasias Laríngeas/patologia , Espectrometria de Massas , Invasividade Neoplásica/genética , Invasividade Neoplásica/patologia , Ligação Proteica/genética , Mapas de Interação de Proteínas/genética
10.
J Nanosci Nanotechnol ; 19(4): 2049-2053, 2019 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-30486946

RESUMO

Micro-liquid distribution operation has been a core part of the fully automatic liquid handling platform in clinical testing. Accurate and fast automatic detection of liquid level with disposable tip is the precondition to ensure the stability of the whole operation of liquid handling platform. By further research on the liquid level sensing technology of pressure sensor, in this paper we designed a new type of accurate and stable micro-liquid level detection system and verified its stability, instantaneity and accuracy by setting up a small reagent distribution platform. It was shown that the liquid level detection system designed in this paper has reliable stability, good instantaneity and high accuracy, with the liquid level detecting accuracy up to 100%, the response speed after detecting the liquid level reaching millisecond and the depth in the liquid level less than 0.3 mm. Besides, there is no limit on the physical and chemical properties of the liquids to be tested, which is consistent with the technical indicators of the liquid handling platform.

11.
J Nonparametr Stat ; 31(4): 867-886, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-34393467

RESUMO

Improving estimation efficiency for regression coefficients is an important issue in the analysis of longitudinal data, which involves estimating the covariance matrix of errors. But challenges arise in estimating the covariance matrix of longitudinal data collected at irregular or unbalanced time points. In this paper, we develop a regularization method for estimating the covariance function and a stepwise procedure for estimating the parametric components efficiently in the varying-coefficient partially linear model. This procedure is also applicable to the varying-coefficient temporal mixed effects model. Our method utilizes the structure of the covariance function and thus has faster rates of convergence in estimating the covariance functions and outperforms the existing approaches in simulation studies. This procedure is easy to implement and its numerical performance is investigated using both simulated and real data.

12.
Entropy (Basel) ; 20(3)2018 Mar 05.
Artigo em Inglês | MEDLINE | ID: mdl-33265259

RESUMO

An important issue for robust inference is to examine the stability of the asymptotic level and power of the test statistic in the presence of contaminated data. Most existing results are derived in finite-dimensional settings with some particular choices of loss functions. This paper re-examines this issue by allowing for a diverging number of parameters combined with a broader array of robust error measures, called "robust- BD ", for the class of "general linear models". Under regularity conditions, we derive the influence function of the robust- BD parameter estimator and demonstrate that the robust- BD Wald-type test enjoys the robustness of validity and efficiency asymptotically. Specifically, the asymptotic level of the test is stable under a small amount of contamination of the null hypothesis, whereas the asymptotic power is large enough under a contaminated distribution in a neighborhood of the contiguous alternatives, thus lending supports to the utility of the proposed robust- BD Wald-type test.

13.
Cancer Invest ; 33(2): 29-33, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25517434

RESUMO

The pathogenesis of laryngeal cancer (LC) is unclear. Published data indicate that micro RNAs (miRNA) play an important role in the pathogenesis of cancer. This study aims to elucidate the role of miR-193b in the tumor tolerance of LC. High levels of miR-193b were detected in LC cells as well as in the culture supernatant. Interleukin (IL)-10-expressing Mos were detected in the LC tissue-derived single cells. Treating naïve Mos with a miR-193b induced expression of IL-10 in the Mos. Culturing the IL-10(+) Mos with effector CD8(+) T cells resulted in the suppression of CD8(+) T-cell activities.


Assuntos
Proliferação de Células/genética , Interleucina-10/biossíntese , Neoplasias Laríngeas/genética , MicroRNAs/genética , Linfócitos T CD8-Positivos/metabolismo , Linfócitos T CD8-Positivos/patologia , Linhagem Celular Tumoral , Regulação Neoplásica da Expressão Gênica , Humanos , Interleucina-10/genética , Neoplasias Laríngeas/patologia , MicroRNAs/metabolismo , Monócitos/metabolismo , Monócitos/patologia
14.
Int J Biol Macromol ; 264(Pt 1): 130596, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38447823

RESUMO

This study introduces a novel approach to develop a multifunctional coating on cotton fabric, emphasizing the utilization of cotton fiber as a biological macromolecule, by integrating a TiO2@g-C3N4 layered structure to confer superhydrophobic properties and multiple functionalities. The engineered structure not only enhances fabric roughness but also incorporates non-fluoro hydrophobic agents, thereby imparting diverse capabilities such as photocatalysis, oil-water separation, and self-cleaning to the cotton substrate. Fabrication of the TiO2@g-C3N4 layered structure involved ultrasonic dispersion of TiO2 and g-C3N4, subsequently deposited onto cotton fabric. Sequential hydrophobic treatment with polydimethylsiloxane (PDMS) and isophorone diisocyanate (IPDI) achieved superhydrophobicity, exhibiting an exceptional water contact angle (WCA) of 157.9°. Comprehensive characterization via scanning electron microscopy (SEM), X-ray diffractometry (XRD), X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared spectroscopy (FT-IR), and thermogravimetric validated the composite's structural and chemical properties. The introduced TiO2@g-C3N4 structure significantly enhanced fabric roughness, while PDMS treatment lowered surface energy and IPDI hydrolysis facilitated cross-linking, ensuring durability. The resultant TiO2@g-C3N4/PDMS cotton exhibited outstanding self-cleaning properties and demonstrated oil adsorption capacity, accommodating both heavy and light oils. Notably, this superhydrophobic cotton efficiently separated water-oil mixtures, achieving 96.8 % efficiency even after 10 cycles. Moreover, under simulated light, it displayed outstanding photocatalytic degradation (93.2 %) of methylene blue while maintaining a WCA of 150° post-degradation, highlighting sustained functionality. This innovation holds promise for sustainable applications, offering robust physical and chemical durability within the realm of biological macromolecules. The amalgamation of TiO2@g-C3N4 layered structure and PDMS treatment on cotton fabric underscores a sustainable approach to address water-oil separation challenges and enable efficient self-cleaning. This research demonstrates a significant step towards sustainable material applications and addresses pertinent real-world challenges in diverse technological domains.


Assuntos
Fibra de Algodão , Água , Água/química , Espectroscopia de Infravermelho com Transformada de Fourier , Interações Hidrofóbicas e Hidrofílicas , Óleos
15.
Int J Mol Med ; 53(4)2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38426543

RESUMO

Laryngeal squamous cell carcinoma (LSCC) is a common malignant tumor with a poor prognosis. Fascin actin­bundling protein 1 (FSCN1) has been reported to play a crucial role in the development and progression of LSCC; however, the underlying molecular mechanisms remain unknown. Herein, a whole transcriptome microarray analysis was performed to screen for differentially expressed genes (DEGs) in cells in which FSCN1 was knocked down. A total of 462 up and 601 downregulated mRNA transcripts were identified. Functional annotation analysis revealed that these DEGs were involved in multiple biological functions, such as transcriptional regulation, response to radiation, focal adhesion, extracellular matrix­receptor interaction, steroid biosynthesis and others. Through co­expression and protein­protein interaction analysis, FSCN1 was linked to novel functions, including defense response to virus and steroid biosynthesis. Furthermore, crosstalk analysis with FSCN1­interacting proteins revealed seven DEGs, identified as FSCN1­interacting partners, in LSCC cells, three of which were selected for further validation. Co­immunoprecipitation validation confirmed that FSCN1 interacted with prostaglandin reductase 1 and 24­dehydrocholesterol reductase (DHCR24). Of note, DHCR24 is a key enzyme involved in cholesterol biosynthesis, and its overexpression promotes the proliferation and migration of LSCC cells. These findings suggest that DHCR24 is a novel molecule associated with FSCN1 in LSCC, and that the FSCN1­DHCR24 interaction may promote LSCC progression by regulating cholesterol metabolism­related signaling pathways.


Assuntos
Carcinoma de Células Escamosas , Proteínas de Transporte , Neoplasias de Cabeça e Pescoço , Neoplasias Laríngeas , MicroRNAs , Proteínas dos Microfilamentos , Humanos , Carcinoma de Células Escamosas de Cabeça e Pescoço/genética , Actinas/metabolismo , Neoplasias Laríngeas/metabolismo , Carcinoma de Células Escamosas/metabolismo , Perfilação da Expressão Gênica , Neoplasias de Cabeça e Pescoço/genética , Colesterol , Oxirredutases/genética , Oxirredutases/metabolismo , Esteroides , Regulação Neoplásica da Expressão Gênica , MicroRNAs/genética , Linhagem Celular Tumoral , Proliferação de Células
16.
Biochem Pharmacol ; 222: 116061, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38369212

RESUMO

Activins are members of the transforming growth factor-ß (TGF-ß) superfamily and act as key regulators in various physiological processes, such as follicle and embryonic development, as well as in multiple human diseases, including cancer. They have been established to signal through three type I and two type II serine/threonine kinase receptors, which, upon ligand binding, form a final signal-transducing receptor complex that activates downstream signaling and governs gene expression. Recent research highlighted the dysregulation of the expression or activity of activin receptors in multiple human cancers and their critical involvement in cancer progression. Furthermore, expression levels of activin receptors have been associated with clinicopathological features and patient outcomes across different cancers. However, there is currently a paucity of comprehensive systematic reviews of activin receptors in cancer. Thus, this review aimed to consolidate existing knowledge concerning activin receptors, with a primary emphasis on their signaling cascade and emerging biological functions, regulatory mechanisms, and potential clinical applications in human cancers in order to provide novel perspectives on cancer prognosis and targeted therapy.


Assuntos
Ativinas , Neoplasias , Gravidez , Feminino , Humanos , Receptores de Ativinas , Ativinas/metabolismo , Proteínas Serina-Treonina Quinases , Fator de Crescimento Transformador beta/metabolismo , Neoplasias/tratamento farmacológico
17.
Medicine (Baltimore) ; 103(10): e36907, 2024 Mar 08.
Artigo em Inglês | MEDLINE | ID: mdl-38457538

RESUMO

BACKGROUND: Prior research has demonstrated a positive association between the composition of gut microbiota and the incidence of pancreatic cancer. Nevertheless, a thorough quantitative and systematic evaluation of the distinct properties of gut microbiota in individuals diagnosed with pancreatic cancer has yet to be conducted. The objective of this study is to examine alterations in the diversity of intestinal microbiota in individuals diagnosed with pancreatic cancer. METHODS: Search for relevant literature published before July 2023 in 4 databases: PubMed, Embase, Web of Science, and Cochrane Library, without any language restrictions. RESULTS: A total of 12 studies were included, including 535 patients with pancreatic cancer and 677 healthy controls. Analysis was conducted on 6 phyla, 16 genera, and 6 species. The study found significant and distinctive changes in the α-diversity of gut microbiota, as well as in the relative abundance of multiple gut bacterial groups at the phylum, genus, and species levels in pancreatic cancer patients. CONCLUSION: Overall, there are certain characteristic changes in the gut microbiota of pancreatic cancer patients. However, further research is warranted to elucidate the specific mechanism of action and the potential for treatment.


Assuntos
Microbioma Gastrointestinal , Neoplasias Pancreáticas , Humanos , Bactérias
18.
Cell Death Discov ; 10(1): 235, 2024 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-38750059

RESUMO

Chemokines, cytokines, and inflammatory cells mediate the onset and progression of many diseases through the induction of an inflammatory response. LncRNAs have emerged as important regulators of gene expression and signaling pathways. Increasing evidence suggests that lncRNAs are key players in the inflammatory response, making it a potential therapeutic target for various diseases. From the perspective of lncRNAs and inflammatory factors, we summarized the expression level and regulatory mechanisms of lncRNAs in human inflammatory diseases, such as cardiovascular disease, osteoarthritis, sepsis, chronic obstructive pulmonary disease, asthma, acute lung injury, diabetic retinopathy, and Parkinson's disease. We also summarized the functions of lncRNAs in the macrophages polarization and discussed the potential applications of lncRNAs in human inflammatory diseases. Although our understanding of lncRNAs is still in its infancy, these data will provide a theoretical basis for the clinical application of lncRNAs.

19.
Cell Signal ; 114: 111002, 2024 02.
Artigo em Inglês | MEDLINE | ID: mdl-38048860

RESUMO

Laryngeal squamous cell carcinoma (LSCC) is one of the common malignant tumors in the head and neck region, and its high migration and invasion seriously threaten the survival and health of patients. In cancer development, m6A RNA modification plays a crucial role in regulating gene expression and signaling. This study delved into the function and mechanism of the m6A reading protein YTHDF1 in LSCC. It was found that YTHDF1 was highly expressed in the GEO database and LSCC tissues. Cell function experiments confirmed that the downregulation of YTHDF1 significantly inhibited the proliferation, migration, and invasion ability of LSCC cells. Further studies revealed that EIF4A3 was a downstream target gene of YTHDF1, and knockdown of EIF4A3 similarly significantly inhibited the malignant progression of LSCC in both in vivo and in vitro experiments. The molecular mechanism studies suggested that YTHDF1-EIF4A3 may promote the malignant development of LSCC by activating the EMT signaling pathway. This study provides important clues for an in-depth understanding of the pathogenesis of LSCC and is a solid foundation for the discovery of new therapeutic targets and approaches.


Assuntos
Carcinoma de Células Escamosas , Neoplasias de Cabeça e Pescoço , Neoplasias Laríngeas , MicroRNAs , Humanos , Carcinoma de Células Escamosas de Cabeça e Pescoço , Carcinoma de Células Escamosas/patologia , Neoplasias Laríngeas/genética , Neoplasias Laríngeas/metabolismo , Proliferação de Células/genética , Linhagem Celular Tumoral , Regulação Neoplásica da Expressão Gênica , MicroRNAs/metabolismo , Fator de Iniciação 4A em Eucariotos/genética , Fator de Iniciação 4A em Eucariotos/metabolismo , RNA Helicases DEAD-box/metabolismo , Proteínas de Ligação a RNA/metabolismo
20.
Front Pharmacol ; 15: 1375110, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38645557

RESUMO

Introduction: Head and neck cancer is one of the most common tumors worldwide. However, drug resistance in its treatment has become a major factor limiting the efficacy. This study aims to comprehensively understand the current status of research in this field. Methods: The study analyzes papers related to therapeutic resistance in head and neck cancer published between 2000 and 2023 in the Web of Science Core Collection To achieve the research objectives, we searched the WoSCC for research and review papers on therapeutic resistance in head and neck cancer from 2000 to 2023, screened the English literature, and analyzed the research hotspots, academic collaborations, and trends in detail using tools such as Citespace, SCImago Graphica, and VOS viewer. Results: This study summarizes 787 head and neck cancer treatment resistance publications from WoSCC. The analysis showed that China and the United States are the major contributors in this field, and Grandis Jennifer R and Yang Jai-Sing are the key scholars. Keyword analysis showed that "cisplatin resistance" is a continuing focus of attention, while "Metastasis" and "Ferroptosis" may be emerging research hotspots. Literature clustering analysis pointed out that "Ferroptosis", "Immunotherapy" and "ERK signaling" were the recent hotspots that received extensive attention and citations. Finally, we discuss the current status and challenges in drug-resistant therapies for head and neck cancer. Conclusion: This study is the first comprehensive bibliometric analysis of drug resistance in head and neck cancer. Reveals current trends and helps researchers grasp cutting-edge hotspots in the field.

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