{"title":"Serum vitamin C levels and risk of osteoporosis: results from a cross-sectional study and Mendelian randomization analysis.","authors":"Zhiwen Liu, Zijing Peng, Yelin Zhong, Jianjun Wu, Sicheng Xiong, Wei Zhong, Jiehua Luo, Zhihai Zhang, Hongxing Huang","doi":"10.1186/s41065-024-00344-w","DOIUrl":"10.1186/s41065-024-00344-w","url":null,"abstract":"<p><strong>Background: </strong>The role of vitamin C as an antioxidant in guarding against osteoporosis in adults is still debated. This research employs both a cross-sectional study and a two-sample bidirectional Mendelian randomization (MR) analysis to explore how serum vitamin C levels correlate with the incidence of osteoporosis among adults.</p><p><strong>Methods: </strong>In this study, we utilized data from the National Health and Nutrition Examination Survey (NHANES) database for the years 2003-2006, and 2017-2018 to conduct both a cross-sectional analysis and MR to investigate the relationship between serum vitamin C levels and the risk of osteoporosis in adults. We adjusted our analyses for essential demographic and lifestyle variables, and applied logistic regression techniques. Genetic determinants of vitamin C levels were analyzed through MR, using methods like inverse-variance weighted (IVW) and MR-Egger to assess causality. Statistical computations were carried out in R, incorporating visual tools such as restricted cubic spline curves (RCS) and forest plots to clarify the dose-response dynamics and variations across different subgroups. This study was approved by the NCHS Ethics Review Board, and informed consent was obtained from all participants.</p><p><strong>Results: </strong>In our investigation, we analyzed data from 3,940 participants, among whom 291 were diagnosed with osteoporosis. The logistic regression analysis of serum vitamin C quartiles did not indicate a significant trend. The most adjusted model showed a slight, albeit inconsistent, protective effect in the highest quartile (OR = 0.68, 95% CI: 0.47-0.99, P = 0.22). Mendelian randomization, employing methods such as IVW, reinforced the absence of a significant causal relationship between serum vitamin C levels and osteoporosis risk (IVW OR = 1.000, 95% CI: 0.999-1.001, P = 0.601).Subgroup analyses, visualized through forest plots and restricted cubic spline (RCS) curves, supported the primary findings, showing no significant effects or interactions between vitamin C levels and osteoporosis risk across different demographic and lifestyle subgroups. The RCS analysis particularly highlighted a lack of significant non-linear relationships between serum vitamin C concentration and the odds of osteoporosis (P for nonlinear = 0.840).</p><p><strong>Conclusions: </strong>The cross-sectional study revealed that higher serum vitamin C levels do not consistently correlate with a reduced risk of osteoporosis. Meanwhile, the Mendelian randomization analysis confirmed that there is no genetic evidence to suggest a causal relationship between vitamin C levels and osteoporosis risk. Recent research highlights the polygenic nature of osteoporosis, with genetic predispositions playing a significant role in disease risk. The relationship between serum vitamin C and osteoporosis requires further research. This suggests the need for further investigation into the connection between vit","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"43"},"PeriodicalIF":2.7,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11549800/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142618764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HereditasPub Date : 2024-11-07DOI: 10.1186/s41065-024-00345-9
Ya Feng, Yalan Zhang, Fang Gao, Miaomiao Liu, Yangyan Luo
{"title":"HOXD9/APOC1 axis promotes macrophage M1 polarization to exacerbate diabetic kidney disease progression through activating NF-κB signaling pathway.","authors":"Ya Feng, Yalan Zhang, Fang Gao, Miaomiao Liu, Yangyan Luo","doi":"10.1186/s41065-024-00345-9","DOIUrl":"10.1186/s41065-024-00345-9","url":null,"abstract":"<p><strong>Background: </strong>Diabetic kidney disease (DKD) is a complication caused by end-stage diabetes mellitus and usually results in glomerular podocyte injury. Exosomes are important for intercellular information exchange. However, the effect of podocyte exosomes on DKD has not been elucidated.</p><p><strong>Methods: </strong>GEO, PROMO, and GSE1009 databases were used to identify the gene APOC1 and transcription factor HOXD9. qRT-PCR, western blot, and transmission electron microscopy (TEM) were investigated to confirm APOC1 change in high glucose-treated podocytes and exosomes. Flow cytometry, immunofluorescence, qPCR, immunoblotting, wound healing, Transwell invasion assays, dual luciferase assay, and ChIP-PCR assay were performed to detect the effect of APOC1 and HOXD9 on macrophage polarization in high glucose-treated podocytes and exosomes. qRT-PCR and immunoblotting assays were employed to assess the impact of APOC1 knockdown on the M1 polarization of macrophages in response to liraglutide treatment.</p><p><strong>Results: </strong>The results suggested that the expression of APOC1 in human podocytes (HPC) and exosomes was elevated. High glucose-treated HPC exosomes promoted macrophage M1-type polarization, which was reversed by adding sh-APOC1. Afterward, HOXD9 was identified as a potential transcription factor for APOC1. Knockdown of HOXD9 led to macrophage M2 polarization, and overexpression of APOC1 polarized macrophage M1. In addition, enhanced p65 phosphorylation verified that HOXD9/APOC1 induced macrophage M1-type polarization by activating the NF-κB signaling pathway. Knocking down APOC1 enhanced the inhibitory effect of liraglutide on macrophage M1 polarization.</p><p><strong>Conclusion: </strong>Our findings highlighted that HOXD9/APOC1 was a key player in causing podocyte injury in diabetic kidney disease and led to macrophage M1 polarization through the NF-κB signaling pathway.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"40"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11542400/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142603503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HereditasPub Date : 2024-11-07DOI: 10.1186/s41065-024-00341-z
WeiSong Lu, YongQuan Wang, Yue An, MengZe Li, Sen Wang, Jie Lian, Hegui Xu
{"title":"Modifiable risk factors that mediate the effect of insomnia on the risk of low back pain: a network mendelian randomization study.","authors":"WeiSong Lu, YongQuan Wang, Yue An, MengZe Li, Sen Wang, Jie Lian, Hegui Xu","doi":"10.1186/s41065-024-00341-z","DOIUrl":"10.1186/s41065-024-00341-z","url":null,"abstract":"<p><strong>Background: </strong>Low back pain (LBP) and insomnia are common global health issues, but their relationship and potential mediators remain unclear. This study aimed to explore the impact of insomnia on LBP using mendelian randomization (MR) methods and analyze the mediating role of modifiable factors.</p><p><strong>Methods: </strong>Univariable MR (UVMR) analysis was employed to examine the causal relationship between insomnia and LBP, as well as the association between modifiable factors [smoking, alcohol consumption, body mass index (BMI), and type 2 diabetes (T2DM)] and LBP. Subsequently, multivariable MR (MVMR) analysis was conducted to explore the impact of insomnia on the mediation of LBP risk by modifiable factors.</p><p><strong>Results: </strong>In the UVMR analysis, insomnia [odds ratio (OR) = 2.95, 95%CI: 2.33-3.72)] and BMI (OR = 1.18, 95%CI: 1.02-1.37) were positively associated with the prevalence of LBP. The effects of smoking, alcohol consumption, and T2DM on LBP were not significant (P > 0.05). In the MVMR analysis, the proportion of mediation of BMI on the relationship between insomnia and LBP was 7.12%.</p><p><strong>Conclusion: </strong>This study revealed the causal relationship between insomnia and LBP using MR methods for the first time, and identified the mediating role of BMI. These findings offer new insights into understanding the relationship between insomnia and LBP, informing the prevention and treatment of these two health issues.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"42"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11542420/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142603492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Corynoxine suppresses lung adenocarcinoma proliferation and metastasis via inhibiting PI3K/AKT pathway and suppressing Cyclooxygenase-2 expression.","authors":"Liping Chen, Jing Xing, Jiapei Lv, Sainv Si, Huaying Wang, Wanjun Yu","doi":"10.1186/s41065-024-00343-x","DOIUrl":"10.1186/s41065-024-00343-x","url":null,"abstract":"<p><strong>Background: </strong>Lung adenocarcinoma (LUAD) is the most common lung cancer subtype, and the prognosis of affected patients is generally poor. The traditional Chinese medicine Uncaria rhychophaylla has been reported to exhibit anti-lung cancer properties. Accordingly, the main bioactive ingredient in Uncaria rhychophaylla, Corynoxine, may hold great value as a treatment for lung cancer.</p><p><strong>Methods: </strong>The impact of Corynoxine on the viability of LUAD cells was assessed using the Cell Counting Kit-8 (CCK-8) assay. Apoptosis in A549 cells was evaluated via flow cytometry. Migration and invasion capabilities were determined through wound healing and Transwell assays, respectively. The key pathways targeted by Corynoxine in LUAD were identified using a network pharmacology approach. Additionally, Western immunoblotting, quantitative real-time PCR (qRT-PCR), and ELISA assays were conducted to validate the underlying mechanisms. The in vivo anti-tumor efficacy of Corynoxine was assessed in xenograft nude mice.</p><p><strong>Results: </strong>In this study, Corynoxine treatment was found to markedly suppress in vitro LUAD cell proliferative, migratory, and invasive activity. It additionally downregulated Vimentin and promoted E-cadherin upregulation consistent with the disruption of epithelial-mesenchymal transition (EMT) induction while also accelerating apoptotic death. Furthermore, network pharmacology analysis revealed that the PI3K/AKT pathway is a potential target of Corynoxine in LUAD. In vitro assays demonstrated that treatment with Corynoxine resulted in the suppression of PI3K/AKT signaling and a consequent drop in cyclooxygenase-2 (COX-2) expression. These findings were further confirmed in vivo in mice harboring A549 tumor xenografts in which Corynoxine was able to interfere with the PI3K/AKT/COX-2 signaling axis.</p><p><strong>Conclusion: </strong>This study elucidated the potential effects of Corynoxine in suppressing proliferation and metastasis in LUAD, along with investigating the underlying mechanisms. These data highlight the promise of Corynoxine as a novel therapeutic tool for the treatment of individuals diagnosed with LUAD.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"41"},"PeriodicalIF":2.7,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11542349/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142603306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HereditasPub Date : 2024-10-17DOI: 10.1186/s41065-024-00340-0
Yabin Liu, Ya Duan, Tianliang Bai, Dexian Kong
{"title":"Hypermethylation of the sodium channel beta subunit gene promoter is associated with colorectal cancer.","authors":"Yabin Liu, Ya Duan, Tianliang Bai, Dexian Kong","doi":"10.1186/s41065-024-00340-0","DOIUrl":"https://doi.org/10.1186/s41065-024-00340-0","url":null,"abstract":"<p><strong>Aims: </strong>To better understand the role of sodium channel beta subunit (SCNN1B) in the initiation and progression of colorectal cancer (CRC) and to identify potential biomarkers for the early detection and prognosis of CRC.</p><p><strong>Methods: </strong>A total of 74 pairs of CRC tissues and their adjacent normal tissues were collected between October 2016 and November 2017. The methylation levels of the SCNN1B promoter region in CRC tissues and their adjacent normal tissues were investigated by pyrosequencing. The expression of both SCNN1B mRNA and protein were detected by RT‒qPCR and immunohistochemistry, respectively.</p><p><strong>Results: </strong>The results showed that the methylation levels of the SCNN1B promoter region were significantly higher in CRC tissues than in adjacent normal tissues. The expression levels of SCNN1B mRNA and protein were significantly lower in the CRC tissues than in their adjacent normal tissues. Moreover, Pearson's correlation analysis showed that the methylation levels of the SCNN1B promoter were negatively correlated with the SCNN1B mRNA levels in CRC tissues. In addition, the high methylation levels and low mRNA expression of SCNN1B showed a significant association with advanced tumour stage, increased risk of lymph node metastasis and poor prognosis of CRC patients.</p><p><strong>Conclusion: </strong>This study suggested that the decreased expression of SCNN1B due to its promoter hypermethylation may play an important role in the progression and prognosis of CRC, and the methylation levels of the SCNN1B promoter may serve as an effective molecular marker for predicting the progression and prognosis of CRC.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"39"},"PeriodicalIF":2.7,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11484387/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142463338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HereditasPub Date : 2024-10-15DOI: 10.1186/s41065-024-00335-x
Huimin Zhang, Li Zhang, Xiaoning Liang, Lihong Zhang, Bing Ma, Yuexian Li, Jianying Wang, Yang Shen, Yuhui Pang, Jianjun Xiong
{"title":"Comprehensive analysis of a necroptosis-associated diagnostic signature for myelodysplastic syndromes based on single-cell RNA-seq and bulk RNA-seq.","authors":"Huimin Zhang, Li Zhang, Xiaoning Liang, Lihong Zhang, Bing Ma, Yuexian Li, Jianying Wang, Yang Shen, Yuhui Pang, Jianjun Xiong","doi":"10.1186/s41065-024-00335-x","DOIUrl":"https://doi.org/10.1186/s41065-024-00335-x","url":null,"abstract":"<p><strong>Background: </strong>Myelodysplastic syndromes (MDS) are heterogeneous and clonal hematological disorders. The role and mechanism of necroptosis in MDS remain poorly understood.</p><p><strong>Methods: </strong>mRNA expression profiles and single-cell RNA-sequencing (scRNA-seq) data were sourced from the GEO database. ScRNA-seq data were processed using the \"Seurat\" package. After cell annotation, necroptosis-related scores (NRscores) for each cell were calculated using the \"UCell\" package. Differentially expressed genes (DEGs) and their associated biological functions in NRscore-related cell populations were identified. Additionally, DEGs and necroptosis-related genes (DE-NRGs) between MDS patients and healthy controls were identified. Consensus clustering was employed to classify MDS patients into distinct subclusters based on DE-NRGs. The biological functions and immune characteristics of these classifications were analyzed. Prognostic gene signatures were determined using LASSO and SVM-RFE analyses, and a nomogram was constructed based on the prognostic gene signature.</p><p><strong>Results: </strong>A total of 12 cell types were identified in MDS and healthy controls. NRscore was found to be elevated in monocytes and common lymphoid precursors (CLPs). Enrichment analysis revealed that monocytes and CLPs with high NRscore were associated with mitochondria-related and immune-related pathways. Eleven DEGs in monocytes and CLPs between MDS patients and healthy controls were identified. Additionally, 13 DE-NRGs were identified from 951 DEGs between MDS and healthy controls. MDS patients were classified into two distinct subclusters based on these 13 DE-NRGs, revealing several immune-related processes and signaling pathways. Differences in immune subpopulations between the two subclusters were observed. A necroptosis-related diagnostic gene signature (IRF9, PLA2G4A, MLKL, BAX, JAK2, and STAT3) was identified as predictive of MDS prevalence.</p><p><strong>Conclusion: </strong>Necroptosis plays a role in MDS progression by inducing inflammation. A novel necroptotic gene signature has been developed to distinguish and diagnose MDS at early stages of the disease.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"38"},"PeriodicalIF":2.7,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11481600/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142463337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HereditasPub Date : 2024-10-07DOI: 10.1186/s41065-024-00339-7
Hamid Khazaei, Ulrika Carlson-Nilsson, Alan H Schulman
{"title":"The Jan Sjödin faba bean mutant collection: morphological and molecular characterization.","authors":"Hamid Khazaei, Ulrika Carlson-Nilsson, Alan H Schulman","doi":"10.1186/s41065-024-00339-7","DOIUrl":"https://doi.org/10.1186/s41065-024-00339-7","url":null,"abstract":"<p><strong>Background: </strong>Plant mutagenesis creates novel alleles, thereby increasing genetic and phenotypic diversity. The availability of the faba bean (Vicia faba L.) reference genome and a growing set of additional genomic resources has increased the scientific and practical value of mutant collections. We aimed to genotype and morphologically phenotype a historical faba bean mutant collection developed and characterized by Jan Sjödin (1934-2023) over half a century ago in order to increase its value to researchers. The collection was genotyped using high-throughput single-primer enrichment technology (SPET) assays.</p><p><strong>Results: </strong>We used 11,073 informative single nucleotide polymorphism (SNP) markers spanning the faba bean genome to genotype 52 mutant lines along with the background line, cv. Primus. A range of flower, seed, leaf, and stipule mutations were observed. The analysis of population structure revealed a shallow structure with no major subpopulations. Principal component and cluster analyses revealed, to a minor extent, that the mutants clustered by their phenotype.</p><p><strong>Conclusions: </strong>The mutants' phenotypic variation and shallow structure indicate that the Sjödin faba bean collection has the potential to play a significant role in faba bean breeding and in genetic and functional studies.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"37"},"PeriodicalIF":2.7,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11457391/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142389856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Identification of necroptosis genes and characterization of immune infiltration in non-alcoholic steatohepatitis.","authors":"Huan Zhang, Yongqiang He, Yuqing Zhao, Malina Axinbai, Yuwei Hu, Shilei Liu, Jingmin Kong, Jinhui Sun, Liping Zhang","doi":"10.1186/s41065-024-00309-z","DOIUrl":"10.1186/s41065-024-00309-z","url":null,"abstract":"<p><strong>Background: </strong>The most common progressive form of non-alcoholic fatty liver disease (NAFLD) is non-alcoholic steatohepatitis (NASH), which is characterized by the development of cirrhosis, and requires liver transplantation. We screened for the differentially expressed necroptosis-related genes in NASH in this study, and analyzed immune infiltration through microarray and bioinformatics analysis to identify potential biomarkers, and explore the molecular mechanisms involved in NASH.</p><p><strong>Methods: </strong>The GSE24807 microarray dataset of NASH patients and healthy controls was downloaded, and we identified the differentially expressed genes (DEGs). Necroptosis-related differential genes (NRDEGs) were extracted from these DEGs, and functionally annotated by enrichment analyses. The core genes were obtained by constructing gene co-expression networks using weighted gene co-expression network analysis (WGCNA). Finally, the transcription factor (TF) regulatory network and the mRNA-miRNA network were constructed, and the infiltrating immune cell populations were analyzed with CIBERSORT.</p><p><strong>Results: </strong>We identified six necroptosis-related genes (CASP1, GLUL, PYCARD, IL33, SHARPIN, and IRF9), and they are potential diagnostic biomarkers for NASH. In particular, PYCARD is a potential biomarker for NAFLD progression. Analyses of immune infiltration showed that M2 macrophages, γδ T cells, and T follicular helper cells were associated with the immune microenvironment of NASH, which is possibly regulated by CASP1, IL33, and IRF9.</p><p><strong>Conclusions: </strong>We identified six necroptosis-related genes in NASH, which are also potential diagnostic biomarkers. Our study provides new insights into the molecular mechanisms and immune microenvironment of NASH.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"32"},"PeriodicalIF":2.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11443769/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HereditasPub Date : 2024-09-28DOI: 10.1186/s41065-024-00337-9
Xiao-Yu Zheng, Yao Lv, Ling-Yan Xu, Dong-Ming Zhou, Lan Yu, Zheng-Yan Zhao
{"title":"A novel approach for breast cancer treatment: the multifaceted antitumor effects of rMeV-Hu191.","authors":"Xiao-Yu Zheng, Yao Lv, Ling-Yan Xu, Dong-Ming Zhou, Lan Yu, Zheng-Yan Zhao","doi":"10.1186/s41065-024-00337-9","DOIUrl":"https://doi.org/10.1186/s41065-024-00337-9","url":null,"abstract":"<p><strong>Background: </strong>The therapeutic potential of oncolytic measles virotherapy has been demonstrated across various malignancies. However, the effectiveness against human breast cancer (BC) and the underlying mechanisms of the recombinant measles virus vaccine strain Hu191 (rMeV-Hu191) remain unclear.</p><p><strong>Methods: </strong>We utilized a range of methods, including cell viability assay, Western blot, flow cytometry, immunofluorescence, SA-β-gal staining, reverse transcription quantitative real-time PCR, transcriptome sequencing, BC xenograft mouse models, and immunohistochemistry to evaluate the antitumor efficacy of rMeV-Hu191 against BC and elucidate the underlying mechanism. Additionally, we employed transcriptomics and gene set enrichment analysis to analyze the lipid metabolism status of BC cells following rMeV-Hu191 infection.</p><p><strong>Results: </strong>Our study revealed the multifaceted antitumor effects of rMeV-Hu191 against BC. rMeV-Hu191 induced apoptosis, inhibited proliferation, and promoted senescence in BC cells. Furthermore, rMeV-Hu191 was associated with changes in oxidative stress and lipid homeostasis in infected BC cells. In vivo, studies using a BC xenograft mouse model confirmed a significant reduction in tumor growth following local injection of rMeV-Hu191.</p><p><strong>Conclusions: </strong>The findings highlight the potential of rMeV-Hu191 as a promising treatment for BC and provide valuable insights into the mechanisms underlying its oncolytic effect.</p>","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"161 1","pages":"36"},"PeriodicalIF":2.7,"publicationDate":"2024-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11439206/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HereditasPub Date : 2024-09-19DOI: 10.1186/s41065-024-00338-8
Jie Zhou, Na Zhang, Yan Zuo, Feng Xu, Lihua Cheng, Yuanyuan Fu, Fudong Yang, Min Shu, Mi Zhou, Wenting Zou, Shengming Zhang
{"title":"Glutamine metabolism-related genes predict the prognostic risk of acute myeloid leukemia and stratify patients by subtype analysis","authors":"Jie Zhou, Na Zhang, Yan Zuo, Feng Xu, Lihua Cheng, Yuanyuan Fu, Fudong Yang, Min Shu, Mi Zhou, Wenting Zou, Shengming Zhang","doi":"10.1186/s41065-024-00338-8","DOIUrl":"https://doi.org/10.1186/s41065-024-00338-8","url":null,"abstract":"Acute myeloid leukemia (AML) is a genetically heterogeneous disease in which glutamine (Gln) contributes to AML progression. Therefore, this study aimed to identify potential prognostic biomarkers for AML based on Gln metabolism-related genes. Gln-related genes that were differentially expressed between Cancer Genome Atlas-based AML and normal samples were analyzed using the limma package. Univariate, least absolute shrinkage, selection operators, and stepwise Cox regression analyses were used to identify prognostic signatures. Risk score-based prognostic and nomogram models were constructed to predict the prognostic risk of AML. Subsequently, consistent cluster analysis was performed to stratify patients into different subtypes, and subtype-related module genes were screened using weighted gene co-expression network analysis. Through a series of regression analyses, HGF, ANGPTL3, MB, F2, CALR, EIF4EBP1, EPHX1, and PDHA1 were identified as potential prognostic biomarkers of AML. Prognostic and nomogram models constructed based on these genes could significantly differentiate between high- and low-risk AML with high predictive accuracy. The eight-signature also stratified patients with AML into two subtypes, among which Cluster 2 was prone to a high risk of AML prognosis. These two clusters exhibited different immune profiles. Of the subtype-related module genes, the HOXA and HOXB family genes may be genetic features of AML subtypes. Eight Gln metabolism-related genes were identified as potential biomarkers of AML to predict prognostic risk. The molecular subtypes clustered by these genes enabled prognostic risk stratification. ","PeriodicalId":12862,"journal":{"name":"Hereditas","volume":"36 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142257059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}