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De Novo Missense Variant in TP63 Gene: Insights on Clinical and Molecular Investigations TP63基因的从头错义变异:临床和分子研究的见解。
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-20 DOI: 10.1002/jgm.70055
Jilong Chen, Xufeng Xi, Xiaoman Xu, Yao Lin

Objective

This study aims to investigate the phenotypes, mutation types, and loci associated with TP63-related syndrome by focusing on an affected proband.

Methods

Employing a proband collection strategy, we identified a family presenting with TP63-related syndrome and performed thorough clinical evaluations on the proband and family members. We subsequently documented the phenotype, mutation type, and locus of the TP63 gene, followed by Sanger DNA sequencing analysis.

Results

We identified a family affected by TP63-related syndrome. The proband, a young adult male, demonstrated congenital anodontia, hypohidrosis, sparse hair, and additional features characteristic of ectodermal dysplasia. Further clinical manifestations included left ear hearing impairment, cleft lip/palate, hypospadias, and syndactyly. Sequencing analysis revealed a missense nucleotide variant (c.184G>C, p.Val62Leu) in exon 2 of the TP63 gene. This variant was absent from established SNP databases and was not detected in other family members or unrelated healthy individuals.

Conclusions

The family exhibits significant symptoms consistent with TP63 syndrome. The identified missense mutation is preliminarily considered to be pathogenic.

目的:本研究以受影响先证者为研究对象,探讨与tp63相关综合征相关的表型、突变类型和基因座。方法:采用先证者收集策略,我们确定了一个表现为tp63相关综合征的家庭,并对先证者及其家庭成员进行了全面的临床评估。我们随后记录了TP63基因的表型、突变类型和位点,随后进行了Sanger DNA测序分析。结果:我们确定了一个受tp63相关综合征影响的家庭。先证者是一名年轻的成年男性,表现出先天性畸形、少汗、头发稀疏和外胚层发育不良的其他特征。进一步的临床表现包括左耳听力障碍、唇腭裂、尿道下裂和并指。测序分析显示,TP63基因外显子2存在错义核苷酸变异(C . 184g >C, p.Val62Leu)。该变异在已建立的SNP数据库中不存在,在其他家庭成员或不相关的健康个体中未检测到。结论:该家族表现出与TP63综合征一致的显著症状。鉴定出的错义突变被初步认为是致病的。
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引用次数: 0
Natural Products and LncRNAs in Non-Small Cell Lung Cancer: Emerging Therapeutic Approaches 非小细胞肺癌的天然产物和lncrna:新兴的治疗方法。
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-19 DOI: 10.1002/jgm.70054
Ahmed S. Doghish, Mai A. Abd-Elmawla, Heba R. Ghaiad, Nora M. Aborehab, Abdullah F. Radwan, Khloud Nassar, Osama A. Mohammed, Hanan Elimam

Non-small cell lung cancer (NSCLC) is considered a major contributor to cancer-related death rates worldwide, chiefly owing to late diagnosis, occurrence of metastasis, and treatment resistance. Growing evidence underscores the impact of long non-coding RNAs (lncRNAs) on NSCLC progression. These lncRNAs have been demonstrated to influence cell proliferation, apoptosis, epithelial-mesenchymal transition (EMT), and drug resistance, contributing to cancer development and therapeutic failure. Concurrently, natural products and nutraceuticals are gaining attention for their anticancer properties, particularly in modulating signaling pathways involved in tumorigenesis and drug resistance. Compounds like curcumin, resveratrol, and epigallocatechin gallate have been shown to regulate oncogenic lncRNAs, inhibiting metastasis and reversing chemoresistance. Additionally, natural products upregulate tumor-suppressive lncRNAs, restoring cell cycle control and apoptosis. This review provides an in-depth analysis of the etiological significance of lncRNAs in NSCLC, with a particular emphasis on their contribution to tumorigenesis, metastasis, and therapeutic resistance. In addition, it explores the potential of natural products to modulate lncRNA expression, highlighting their efficacy in overcoming drug resistance and enhancing the therapeutic response. By elucidating the dynamic molecular cross-talk between lncRNAs and natural products, this review also aims to identify novel therapeutic strategies and potential biomarkers for the diagnosis and treatment of NSCLC.

非小细胞肺癌(NSCLC)被认为是世界范围内癌症相关死亡率的主要原因,主要是由于诊断晚、发生转移和治疗耐药。越来越多的证据强调了长链非编码rna (lncRNAs)对NSCLC进展的影响。这些lncrna已被证明影响细胞增殖、凋亡、上皮-间质转化(EMT)和耐药性,有助于癌症的发展和治疗失败。同时,天然产物和营养保健品因其抗癌特性而受到关注,特别是在调节肿瘤发生和耐药性的信号通路方面。姜黄素、白藜芦醇和表没食子儿茶素没食子酸酯等化合物已被证明可调节致癌lncrna,抑制转移并逆转化疗耐药。此外,天然产物上调肿瘤抑制lncrna,恢复细胞周期控制和凋亡。本综述深入分析了lncrna在非小细胞肺癌中的病因学意义,特别强调了它们在肿瘤发生、转移和治疗耐药中的作用。此外,本研究还探索了天然产物调节lncRNA表达的潜力,强调了它们在克服耐药和增强治疗反应方面的功效。通过阐明lncrna与天然产物之间的动态分子串扰,本综述还旨在确定新的治疗策略和潜在的非小细胞肺癌诊断和治疗的生物标志物。
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引用次数: 0
KDM1A Facilitates Oncogenic Potential in Colorectal Cancer Progression Through the Activation of AXIN/GSK3β/β-Catenin Signaling Pathways: Evidence From Integrated Transcriptomics and In Vitro Studies KDM1A通过激活AXIN/GSK3β/β-Catenin信号通路促进结直肠癌进展的致癌潜力:来自整合转录组学和体外研究的证据
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-18 DOI: 10.1002/jgm.70053
Sathan Raj Natarajan, Rajapandiyan Krishnamoorthy, Mohammad A. Alshuniaber, Mansour K. Gatasheh, Ponnulakshmi Rajagopal, Vishnu Priya Veeraraghavan, Chella Perumal Palanisamy, Selvaraj Jayaraman

Background

Colorectal cancer (CRC) is a major cause of cancer-related death and is driven by epigenetic alterations. KDM1A, a key histone demethylase, has a poorly defined role in CRC. This study investigates its molecular mechanisms using bioinformatic and experimental analyses to better understand its impact on tumor progression.

Methods

KDM1A expression was analyzed using TCGA datasets to assess its correlation with CRC progression and patient survival. CRC cell lines were treated with the KDM1A-specific inhibitor GSK2879552, both alone and in combination with 5-Aza and XAV939. Functional assays, including cell proliferation, cell cycle analysis, ROS measurement, glycolysis assessment, and G6PD activity, were performed to evaluate the effects of KDM1A inhibition. Protein and gene expression were examined by Western blotting and RT-PCR analysis.

Results

KDM1A expression was significantly upregulated in advanced CRC and was associated with poor survival. Treatment with GSK2879552 inhibited CRC cell proliferation, induced G1-phase arrest, reduced aerobic glycolysis, and increased ROS levels. Combination with 5-Aza and XAV939 further enhanced the antitumor effects, demonstrating synergistic potential in CRC cells.

Conclusions

KDM1A regulates CRC progression by modulating epithelial-mesenchymal transition (EMT), metabolism, and Wnt signaling. Targeting KDM1A with GSK2879552 represents a promising therapeutic strategy for CRC treatment.

背景:结直肠癌(CRC)是癌症相关死亡的主要原因,由表观遗传改变驱动。KDM1A是一种关键的组蛋白去甲基化酶,在结直肠癌中的作用尚不明确。本研究利用生物信息学和实验分析研究其分子机制,以更好地了解其对肿瘤进展的影响。方法:使用TCGA数据集分析KDM1A表达,评估其与结直肠癌进展和患者生存的相关性。用kdm1a特异性抑制剂GSK2879552单独或与5-Aza和XAV939联合治疗结直肠癌细胞系。通过功能分析,包括细胞增殖、细胞周期分析、ROS测量、糖酵解评估和G6PD活性,来评估KDM1A抑制的效果。Western blotting和RT-PCR检测蛋白和基因表达。结果:KDM1A在晚期结直肠癌中表达显著上调,且与较差的生存率相关。用GSK2879552治疗可抑制结直肠癌细胞增殖,诱导g1期阻滞,减少有氧糖酵解,增加ROS水平。与5-Aza和XAV939联合进一步增强了抗肿瘤作用,在CRC细胞中显示出协同作用潜力。结论:KDM1A通过调节上皮-间质转化(EMT)、代谢和Wnt信号传导调节结直肠癌的进展。GSK2879552靶向KDM1A是一种很有前景的CRC治疗策略。
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引用次数: 0
Identification of the Role of Transient Receptor Potential Channels in Acute Pancreatitis 瞬时受体电位通道在急性胰腺炎中的作用鉴定。
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-16 DOI: 10.1002/jgm.70057
Shuangjun Shen, Xiaowan Wu, Zhiyuan Cheng, Ruiyan Wang, Jing Jiang, Weiliang Jiang

Background

Acute pancreatitis (AP) is a severe inflammatory disease. Transient receptor potential (TRP) channels have been reported to participate in various pathophysiological processes. However, the role of TRP channels in the AP remains unclear. Here, we investigated the involvement of TRP channels in AP.

Methods

We identified differentially expressed genes (DEGs) using the public AP datasets GSE3644 and GSE109227 and identified 20 hub genes. We analyzed their correlation with the TRP genes. Four DEGs related to TRP channels were selected, and functional enrichment analyses were conducted. An interaction network involving the transcription factors, microRNAs (miRNAs), and mRNA of the four TRP-associated genes was established. To evaluate the diagnostic effectiveness, receiver operating characteristic (ROC) analysis and machine learning (ML) methods, such as support vector classifiers and random forest, were applied. Furthermore, we analyzed immune cell infiltration and its relationship with the four TRP genes. To confirm these bioinformatics findings, we performed in vitro and in vivo experiments using primary acinar cells and an experimental mouse model of AP.

Results

Four TRP-related genes, namely, MCOLN1, MCOLN3, TRPM7, and TRPV4, were selected for the correlation analysis. Functional analyses showed that these four genes are involved in cellular senescence and the calcium signaling pathway. A TF–miRNA–mRNA interaction network was constructed for the four TRP-associated genes. The areas under the ROC curves (AUC) of MCOLN1, MCOLN3, TRPM7, and TRPV4 were 0.833, 0.700, 1.0, and 1.0, respectively. ML algorithms performed well in predicting AP with AUCs ≥ 0.67. TRPM7, TRPV4, and MCOLN3 are associated with immune cell infiltration of AP tissues. Using experimental AP models, we found that the expression of three TRP-related genes, MCOLN1, TRPM7, and TRPV4, was significantly upregulated in mouse AP tissues. Specifically, TRPM7 knockdown or inhibition by its inhibitor 2-APB significantly reduced pancreatic acinar cell damage, inflammatory mediator expression, and mRNA levels of senescence-associated genes.

Conclusions

Our study suggests that TRP-related genes play crucial roles in AP and may be promising biomarkers for predicting the pathogenesis of AP.

背景:急性胰腺炎(AP)是一种严重的炎症性疾病。瞬时受体电位(TRP)通道已被报道参与多种病理生理过程。然而,TRP通道在AP中的作用尚不清楚。方法:利用AP公共数据集GSE3644和GSE109227鉴定差异表达基因(deg),并鉴定出20个枢纽基因。我们分析了它们与TRP基因的相关性。选择了4个与色氨酸通道相关的deg,并进行了功能富集分析。建立了转录因子、microrna (mirna)和四种trp相关基因mRNA的相互作用网络。为了评估诊断效果,应用了接受者工作特征(ROC)分析和机器学习(ML)方法,如支持向量分类器和随机森林。此外,我们还分析了免疫细胞浸润及其与四种TRP基因的关系。为了证实这些生物信息学发现,我们利用原代腺泡细胞和实验性小鼠模型进行了体外和体内实验。结果:选择4个trp相关基因,即MCOLN1、MCOLN3、TRPM7和TRPV4进行相关性分析。功能分析表明,这四个基因参与细胞衰老和钙信号通路。构建了四个trp相关基因的TF-miRNA-mRNA相互作用网络。MCOLN1、MCOLN3、TRPM7、TRPV4的ROC曲线下面积(AUC)分别为0.833、0.700、1.0、1.0。ML算法在预测AP方面表现良好,auc≥0.67。TRPM7、TRPV4和MCOLN3与AP组织的免疫细胞浸润有关。通过实验AP模型,我们发现三个trp相关基因MCOLN1、TRPM7和TRPV4在小鼠AP组织中的表达显著上调。具体来说,TRPM7的敲除或其抑制剂2-APB的抑制显著降低了胰腺腺泡细胞损伤、炎症介质表达和衰老相关基因的mRNA水平。结论:我们的研究表明,色氨酸相关基因在AP中起重要作用,可能是预测AP发病机制的有希望的生物标志物。
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引用次数: 0
MicroRNA Profile Predicts Tumor Spread Through Air Spaces in Resected Lung Adenocarcinomas: A Pilot Study MicroRNA谱预测肺腺癌切除后肿瘤通过空气间隙扩散:一项初步研究。
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-16 DOI: 10.1002/jgm.70051
Chihiro Yoshida, Kyuichi Kadota, Futoshi Suizu, Emi Ibuki, Ryou Ishikawa, Reiji Haba, Toshiki Yajima

Background

Spread through air spaces (STAS), a mode of lung cancer progression, is recognized as a poor prognostic factor, although its pathogenesis remains unclear. This study aimed to identify microRNAs (miRNAs) associated with STAS.

Methods

Differentially expressed miRNAs were identified using miRNA array analysis of primary lung cancer tumor tissues and tissues suspected of STAS obtained from patients who underwent surgery for lung adenocarcinoma. We collected 20 samples (10 from the main tumor tissue; 10 from STAS lesions) from 10 patients.

Results

With two samples exhibiting an RNA integrity number > 7, we performed miRNA analysis of the main tumor tissues and STAS lesions, identifying miRNAs differentially expressed in both cases. In both cases, miR-3136-5p was upregulated, and miR-3934-5p and miR-4793-3p were downregulated. We identified miRNAs with dysregulated expression in STAS tissues compared with those in tumor tissues.

Conclusions

We identified three miRNAs involved in STAS of lung cancer, and these miRNAs may be potential diagnostic and prognostic targets for STAS treatment. As research and development of small RNA-targeted therapeutics targeting cancer, inflammatory diseases, and cardiovascular diseases are progressing, the analysis of miRNA expression levels in STAS of lung cancer may lead to the development of diagnostic markers and potential treatment strategies for lung cancer with STAS.

Trial Registration

Registry: Kagawa University. Registration number: 2021-031. Date of registration: May 28, 2021.

背景:通过空气间隙扩散(STAS)是肺癌的一种进展模式,虽然其发病机制尚不清楚,但被认为是一个不良预后因素。本研究旨在鉴定与STAS相关的microRNAs (miRNAs)。方法:对肺腺癌手术患者的原发性肺癌肿瘤组织和疑似STAS组织进行miRNA阵列分析,鉴定差异表达的miRNA。我们从10例患者中收集了20份样本(10份来自主要肿瘤组织,10份来自STAS病变)。结果:两个样本的RNA完整性值为bbb70,我们对主要肿瘤组织和STAS病变进行了miRNA分析,发现两种情况下的miRNA表达差异。在这两种情况下,miR-3136-5p上调,miR-3934-5p和miR-4793-3p下调。我们发现了与肿瘤组织相比,STAS组织中表达失调的mirna。结论:我们确定了三个与肺癌STAS相关的mirna,这些mirna可能是STAS治疗的潜在诊断和预后靶点。随着针对癌症、炎症性疾病和心血管疾病的小rna靶向治疗的研究和发展,分析肺癌STAS中miRNA的表达水平可能会导致STAS肺癌的诊断标志物和潜在的治疗策略的发展。试验注册:注册中心:香川大学。注册号:2021-031。注册日期:2021年5月28日。
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引用次数: 0
Molecular Crosstalk Between Osteoporosis and Osteosarcoma: Identification of Common Diagnostic Markers and Therapeutic Targets 骨质疏松和骨肉瘤之间的分子串扰:常见诊断标记和治疗靶点的鉴定。
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-14 DOI: 10.1002/jgm.70056
Yong Zhou, Jianxin Huang

Background

Osteoporosis and osteosarcoma share certain molecular pathways, and identifying common hub genes could provide new insights into their pathogenesis. This study aimed to identify and validate hub genes involved in both osteoporosis and osteosarcoma and explore their potential as biomarkers and therapeutic targets.

Methods

We retrieved three publicly available datasets: GSE13850 (osteoporosis), GSE16088, and GSE12865 (osteosarcoma). Differentially expressed genes (DEGs) were identified using the limma package in R, and common DEGs were determined through Venn analysis. The hub genes were identified using the STRING database and Cytoscape software. Reverse transcription quantitative PCR was used to validate gene expression in osteosarcoma cell lines and normal bone tissue cell lines. Functional assays including cell proliferation, colony formation, and wound healing were conducted after CLTA and SMAD3 knockdown via small interfering RNA. Gene set enrichment, promoter methylation analysis, and genetic alteration studies were conducted using publicly available databases.

Results

The hub genes identified, CLTA, MSR1, MTF2, and SMAD3, were highly expressed in osteosarcoma compared to normal controls, and their expression was validated across osteosarcoma tissue samples. Survival analysis showed that high expression of these genes correlated with poor prognosis in osteosarcoma patients. Gene enrichment analysis suggested that these genes play crucial roles in osteosarcoma development through various signaling pathways. CLTA and SMAD3 silencing in MG63 and U2OS cells led to significant reductions in cell proliferation, colony formation, and migration.

Conclusions

This study identified CLTA, MSR1, MTF2, and SMAD3 as potential biomarkers and therapeutic targets for osteoporosis and osteosarcoma. However, further studies are needed before determining clinical implications.

背景:骨质疏松症和骨肉瘤具有一定的分子通路,确定共同的枢纽基因可以为其发病机制提供新的认识。本研究旨在鉴定和验证与骨质疏松症和骨肉瘤相关的枢纽基因,并探索其作为生物标志物和治疗靶点的潜力。方法:我们检索了三个公开可用的数据集:GSE13850(骨质疏松症)、GSE16088和GSE12865(骨肉瘤)。差异表达基因(deg)通过R中的limma包进行鉴定,共同表达基因(deg)通过Venn分析进行鉴定。利用STRING数据库和Cytoscape软件对中心基因进行鉴定。采用反转录定量PCR方法对骨肉瘤细胞株和正常骨组织细胞株的基因表达进行验证。通过小干扰RNA敲除SMAD3和CLTA后,进行功能检测,包括细胞增殖、菌落形成和伤口愈合。基因集富集、启动子甲基化分析和基因改变研究使用公开可用的数据库进行。结果:与正常对照相比,鉴定出的中心基因CLTA、MSR1、MTF2和SMAD3在骨肉瘤中高表达,并且它们的表达在骨肉瘤组织样本中得到了验证。生存分析显示,这些基因的高表达与骨肉瘤患者的不良预后相关。基因富集分析表明,这些基因通过多种信号通路在骨肉瘤的发展中起着至关重要的作用。CLTA和SMAD3在MG63和U2OS细胞中的沉默导致细胞增殖、集落形成和迁移的显著减少。结论:本研究确定CLTA、MSR1、MTF2和SMAD3是骨质疏松症和骨肉瘤的潜在生物标志物和治疗靶点。然而,在确定临床意义之前,需要进一步的研究。
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引用次数: 0
Targeting Circular RNAs (circRNAs) in Atherosclerosis Using CRISPR Technology 利用CRISPR技术靶向动脉粥样硬化中的环状rna (circRNAs)。
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-11 DOI: 10.1002/jgm.70048
Areej Nazarudeen, V. A. Aswathy, Arun A. Rauf, U. V. Aswathy, V. R. Mahesh Chandran, N. Abhirami, S. Sudhina, Akash Chandran, Janeesh Plakkal Ayyappan

Atherosclerosis is a chronic inflammatory condition that remains a major global cause of cardiovascular morbidity and death. Circular RNAs (circRNAs), emerging as key regulators of biological processes, have been linked to atherosclerosis because of their functions in inflammation, lipid metabolism, and plaque stability. This review explores the biogenesis and cellular functions of circRNAs, highlighting specific circRNAs, such as circANRIL, circHIPK, and circRSF1, which influence atherosclerosis progressions and development. CRISPR-Cas technology, specifically Cas9 and Cas13, has transformed the way atherosclerosis is studied and potentially treated. Targeting PCSK9, LDLR, and APOB to modify lipid metabolism, including lowering LDL cholesterol and repairing mutations in familial hypercholesterolemia, has been made possible using CRISPR-Cas9 in atherosclerosis models. In parallel, CRISPR-Cas13 offers a novel approach for RNA-level intervention by selectively editing circRNAs, providing a dynamic approach to regulate atherosclerosis-related pathways. In order to convert these findings into therapeutic treatments, future research should focus on elucidating the mechanics of circRNA, which in turn determines CRISPR-Cas13, and designing specific delivery systems. This review paper demonstrates the revolutionary promise of circRNA research and CRISPR innovation in the treatment of atherosclerosis and underscores the need for extensive preclinical validation to bridge the gap towards clinical use.

动脉粥样硬化是一种慢性炎症,仍然是全球心血管疾病和死亡的主要原因。环状rna (circRNAs)作为生物过程的关键调节因子,因其在炎症、脂质代谢和斑块稳定性方面的功能而与动脉粥样硬化有关。本综述探讨了circrna的生物发生和细胞功能,重点介绍了影响动脉粥样硬化进展和发展的特定circrna,如circANRIL、circHIPK和circRSF1。CRISPR-Cas技术,特别是Cas9和Cas13,已经改变了动脉粥样硬化的研究和潜在治疗方式。利用CRISPR-Cas9在动脉粥样硬化模型中靶向PCSK9、LDLR和APOB来改变脂质代谢,包括降低LDL胆固醇和修复家族性高胆固醇血症的突变,已经成为可能。与此同时,CRISPR-Cas13提供了一种通过选择性编辑circRNAs进行rna水平干预的新方法,提供了一种调节动脉粥样硬化相关途径的动态方法。为了将这些发现转化为治疗方法,未来的研究应侧重于阐明circRNA的机制,进而决定CRISPR-Cas13,并设计特定的递送系统。这篇综述论文展示了circRNA研究和CRISPR创新在动脉粥样硬化治疗中的革命性前景,并强调了广泛的临床前验证的必要性,以弥合临床应用的差距。
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引用次数: 0
Gene Therapy for Fragile X Syndrome, Challenges, and Promises 基因治疗脆性X综合征,挑战和前景。
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-09 DOI: 10.1002/jgm.70049
Milen Velinov

Fragile X syndrome (FXS) is the most common single gene cause of inherited intellectual disability and autism spectrum disorder (ASD). FMR1, the gene associated with FXS, is located on chromosome X. Accordingly, males with loss-of-function (full) mutations are more severely affected than females. Strategies for therapeutic intervention for this disorder have included behavioral and medication therapy. To date, no management strategies have been shown to be curative. Gene therapy that aims to supply the functional protein product of the gene FMR1 to the brain is an attractive concept for curative treatment. Experiments aimed at activating the mutant FMR1, modifying its abnormal RNA product, or supplying functional FMR1 copies to the CNS have been conducted. The delivery of the FMR1 gene and its product to animal models of FXS have been primarily conducted with intrathecal applications because of the low efficiency of the gene therapy vectors to cross the blood–brain barrier (BBB). This delivery approach is associated with a higher risk of complications and appears to distribute the gene product unevenly across different brain regions. We have explored the efficiency of a recently developed adeno-associated virus (AAV) vector with increased BBB crossing in certain strains of mice to deliver FMR1 with peripheral IV administration. Our experiments demonstrated very high delivery efficiency and also highlighted the risk of oversupplying the brain with FMRP, the protein product of the FMR1 gene. Other AAV vectors with enhanced crossing of the BBB in primates have been developed, providing an attractive option for further experiments involving peripheral administration. Providing the gene product to specific brain cells remains a difficult challenge for future experiments. It may also be important or even necessary to regulate the gene expression to mimic physiological expression patterns since the levels of FMRP change dramatically during development, with maximum levels early in the postnatal period and a decline across early life. In addition, there are 12 identified mouse isoforms of FMRP due to alternative RNA splicing, and an even higher number of isoforms is found in humans. It may thus be a challenge to determine what FMR1 isoform or set of isoforms would have the optimum efficiency in correcting the phenotype. Despite these challenges, the recent developments establish the basis for future research to develop efficient and minimally invasive gene therapy protocols for FXS.

脆性X染色体综合征(FXS)是遗传性智力残疾和自闭症谱系障碍(ASD)最常见的单基因原因。与FXS相关的基因FMR1位于x染色体上,因此,功能丧失(全)突变的男性比女性受到的影响更严重。这种疾病的治疗干预策略包括行为和药物治疗。迄今为止,没有任何管理策略被证明是有效的。旨在向大脑提供FMR1基因的功能性蛋白产物的基因治疗是一种有吸引力的治疗概念。已经进行了旨在激活突变的FMR1、修饰其异常RNA产物或向中枢神经系统提供功能性FMR1拷贝的实验。由于FMR1基因治疗载体穿过血脑屏障(BBB)的效率较低,因此FMR1基因及其产物主要通过鞘内应用于FXS动物模型。这种递送方式与并发症的高风险相关,并且似乎在不同的大脑区域不均匀地分布基因产物。我们探索了最近开发的腺相关病毒(AAV)载体在某些小鼠品系中增加血脑屏障交叉递送FMR1的效率。我们的实验证明了非常高的输送效率,同时也强调了大脑中过量供应FMRP (FMR1基因的蛋白质产物)的风险。在灵长类动物中,其他具有增强血脑屏障交叉的AAV载体已经开发出来,为涉及外周给药的进一步实验提供了一个有吸引力的选择。在未来的实验中,为特定的脑细胞提供基因产物仍然是一个艰巨的挑战。由于FMRP的水平在发育过程中发生了巨大的变化,在出生后早期达到最高水平,在生命早期下降,因此调节基因表达以模仿生理表达模式也可能是重要的甚至是必要的。此外,由于选择性RNA剪接,有12种已鉴定的小鼠FMRP同种异构体,而在人类中发现的同种异构体数量甚至更多。因此,确定什么样的FMR1同种异构体或一组同种异构体在纠正表型方面具有最佳效率可能是一个挑战。尽管存在这些挑战,但最近的进展为未来研究开发有效和微创的FXS基因治疗方案奠定了基础。
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引用次数: 0
Mechanisms of lncRNA in Diabetic Foot Ulcer Wound Healing lncRNA在糖尿病足溃疡创面愈合中的作用机制
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-09 DOI: 10.1002/jgm.70050
Yiming Chen, Mengting Wang, Xiaoliang Cao, Shengfeng Gao, Yasu Jiang, Zhenhua Gong

Diabetes mellitus (DM) is a chronic metabolic disease, and some diabetic patients develop diabetic foot ulcers (DFU), which are one of the most prevalent and serious complications among diabetic patients. These ulcers can lead to neuropathy, vasculopathy and severe infections. LncRNAs, a class of long-stranded noncoding RNAs that regulate gene expression, have been shown to play a critical regulatory role in diabetic foot ulcer wound healing. These molecules have been demonstrated to modulate numerous facets of the inflammatory response, cell proliferation and angiogenesis, which collectively influence the outcome of wound healing. A substantial body of research has emerged in recent years, highlighting the critical role of these noncoding transcripts in DFU. This paper reviews recent research advances on the regulatory functions and potential mechanisms of noncoding transcripts in the healing of diabetic foot ulcers, based on a literature search of databases such as PubMed and Web of Science over the past decade.

糖尿病(DM)是一种慢性代谢性疾病,部分糖尿病患者发生糖尿病足溃疡(DFU),是糖尿病患者最常见、最严重的并发症之一。这些溃疡可导致神经病变、血管病变和严重感染。LncRNAs是一类调节基因表达的长链非编码rna,已被证明在糖尿病足溃疡创面愈合中发挥关键的调节作用。这些分子已被证明可以调节炎症反应、细胞增殖和血管生成的许多方面,这些方面共同影响伤口愈合的结果。近年来出现了大量的研究,强调了这些非编码转录本在DFU中的关键作用。本文通过对PubMed、Web of Science等数据库近十年的文献检索,综述了近年来非编码转录本在糖尿病足溃疡愈合中的调控作用及其潜在机制的研究进展。
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引用次数: 0
Long Noncoding RNAs (LncRNA-4.2, LncRNA-4.3) and Their Correlation With Hypoxia-Related Biomarkers in Breast Cancer 长链非编码rna (LncRNA-4.2, LncRNA-4.3)及其与乳腺癌缺氧相关生物标志物的相关性
IF 2.2 4区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Pub Date : 2025-11-05 DOI: 10.1002/jgm.70047
Hatem M. Hadeed, Maarib N. Rasheed, Ahmed AbdulJabbar Suleiman

Introduction

Breast cancer is a malignant tumor that originates in breast tissue and the most common cause of malignant tumors-related death in women worldwide. Long noncoding RNA (LncRNA) is a transcribed RNA with more than 200 nucleotides in length but has no notable potential for protein coding. Hypoxia is a common occurrence in tumor microenvironments due to an imbalance in oxygen supply and consumption by rapidly growing tumors. The aim of study is to analyze the gene expression of different types of lncRNAs (lnc.4.2, lnc.4.3) as a molecular tumor marker in relation with hypoxia-inducible factor 1alpha (HIF-1α) gene and main clinic pathological characters for patients and healthy control group.

Methods

The study included 100 newly diagnosed cases of bc divided into four groups: (n = 25) low grade before treatment (LBT), (n = 25) low grade after treatment (LAT), (n = 25) high grade before treatment (HBT), and (n = 25) high grade after treatment (HAT). In addition, (n = 25) as a control group.

Results

The results of this study showed that lncRNA 4.2 and lncRNA 4.3 exhibited strong discriminatory ability specifically in the LBT versus control and HAT versus control comparisons, with AUC values exceeding 0.70. This indicates that these lncRNAs may be particularly useful for distinguishing LBT and HAT samples indicate potential role in treatment response or the pretreatment state. HIF1A also exhibited moderate diagnostic potential in the HBT versus control and HAT versus control comparisons, with AUC values greater than 0.60. Its performance was notably better in the HBT group, where it achieved an AUC of 0.774, indicating good discriminatory ability in this specific context. This suggests that HIF1A may be a useful diagnostic marker for conditions associated with HBT samples, potentially reflecting its role in cellular stress response.

乳腺癌是一种起源于乳腺组织的恶性肿瘤,是全世界妇女恶性肿瘤相关死亡的最常见原因。长链非编码RNA (LncRNA)是一种长度超过200个核苷酸的转录RNA,但没有显著的蛋白质编码潜力。缺氧是肿瘤微环境中常见的现象,这是由于快速生长的肿瘤在氧气供应和消耗方面的不平衡。本研究旨在分析不同类型lncrna (lnc.4.2, lnc.4.3)作为肿瘤分子标志物与缺氧诱导因子1α (HIF-1α)基因的表达及患者和健康对照组主要临床病理特征。方法将100例新诊断的bc患者分为治疗前低分级(LBT)组(n = 25)、治疗后低分级(LAT)组(n = 25)、治疗前高分级(HBT)组(n = 25)和治疗后高分级(HAT)组(n = 25)。另外,(n = 25)作为对照组。结果本研究结果显示,lncRNA 4.2和lncRNA 4.3在LBT与对照组和HAT与对照组的比较中表现出较强的区分能力,AUC值超过0.70。这表明这些lncrna可能对区分LBT和HAT样品特别有用,在治疗反应或预处理状态中具有潜在作用。在HBT与对照组和HAT与对照组的比较中,HIF1A也显示出中等诊断潜力,AUC值大于0.60。在HBT组中,它的表现明显更好,AUC为0.774,表明在这种特定环境下具有良好的区分能力。这表明HIF1A可能是HBT样本相关疾病的有用诊断标志物,可能反映其在细胞应激反应中的作用。
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引用次数: 0
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Journal of Gene Medicine
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