Journals Cellular & Molecular Biology L...

Cellular & Molecular Biology Letters
Pengfei Hu, Guokun Zhang, Hengxing Ba, Jing Ren, Jiping Li, Zhen Wang, Chunyi Li
During growth phase, antlers exhibit a very rapid rate of chondrogenesis. The antler is formed from its growth center reserve mesenchyme (RM) cells, which have been found to be the derivatives of paired related homeobox 1 (Prrx1)-positive periosteal cells. However, the underlying mechanism that drives rapid chondrogenesis is not known. Herein, the miRNA expression profiles and chromatin states of three tissue layers (RM, precartilage, and cartilage) at different stages of differentiation within the antler growth center were analyzed by RNA-sequencing and ATAC-sequencing...
April 20, 2024: Cellular & Molecular Biology Letters
Jérôme Gilleron, Abderrahman Chafik, Sandra Lacas-Gervais, Jean-François Tanti, Mireille Cormont
BACKGROUND: The trafficking of cargoes from endosomes to the trans-Golgi network requires numerous sequential and coordinated steps. Cargoes are sorted into endosomal-derived carriers that are transported, tethered, and fused to the trans-Golgi network. The tethering step requires several complexes, including the Golgi-associated retrograde protein complex, whose localization at the trans-Golgi network is determined by the activity of small GTPases of the Arl and Rab family. However, how the Golgi-associated retrograde protein complex recognizes the endosome-derived carriers that will fuse with the trans-Golgi network is still unknown...
April 16, 2024: Cellular & Molecular Biology Letters
Qiangan Jing, Chaoting Zhou, Junyu Zhang, Ping Zhang, Yunyi Wu, Junyu Zhou, Xiangmin Tong, Yanchun Li, Jing Du, Ying Wang
Reactive oxygen species (ROS) serve as typical metabolic byproducts of aerobic life and play a pivotal role in redox reactions and signal transduction pathways. Contingent upon their concentration, ROS production not only initiates or stimulates tumorigenesis but also causes oxidative stress (OS) and triggers cellular apoptosis. Mounting literature supports the view that ROS are closely interwoven with the pathogenesis of a cluster of diseases, particularly those involving cell proliferation and differentiation, such as myelodysplastic syndromes (MDS) and chronic/acute myeloid leukemia (CML/AML)...
April 14, 2024: Cellular & Molecular Biology Letters
Xiaoying Chen, Shuhan Zhong, Yonghao Zhan, Xuepei Zhang
T cell immunity is central to contemporary cancer and autoimmune therapies, encompassing immune checkpoint blockade and adoptive T cell therapies. Their diverse characteristics can be reprogrammed by different immune challenges dependent on antigen stimulation levels, metabolic conditions, and the degree of inflammation. T cell-based therapeutic strategies are gaining widespread adoption in oncology and treating inflammatory conditions. Emerging researches reveal that clustered regularly interspaced palindromic repeats-associated protein 9 (CRISPR-Cas9) genome editing has enabled T cells to be more adaptable to specific microenvironments, opening the door to advanced T cell therapies in preclinical and clinical trials...
April 12, 2024: Cellular & Molecular Biology Letters
Yuan Ci, Yuan Zhang, Xiaobo Zhang
BACKGROUND: Long noncoding RNAs (lncRNAs) play essential roles in the tumorigenesis of gastric cancer. However, the influence of lncRNA methylation on gastric cancer stem cells (GCSCs) remains unclear. METHODS: The N6-methyladenosine (m6A) levels of lncRNAs in gastric cancer stem cells were detected by methylated RNA immunoprecipitation sequencing (MeRIP-seq), and the results were validated by MeRIP-quantitative polymerase chain reaction (qPCR). Specific sites of m6A modification on lncRNAs were detected by single-base elongation- and ligation-based qPCR amplification (SELECT)...
April 10, 2024: Cellular & Molecular Biology Letters
Weisong Li, Chao Zheng, Xi Xu, Yujie Xia, Kai Zhang, Ao Huang, Xinyu Zhang, Yong Zheng, Guofang Chen, Shuyong Zhang
BACKGROUND: Melanoma is the most lethal skin cancer characterized by its high metastatic potential. In the past decade, targeted and immunotherapy have brought revolutionary survival benefits to patients with advanced and metastatic melanoma, but these treatment responses are also heterogeneous and/or do not achieve durable responses. Therefore, novel therapeutic strategies for improving outcomes remain an unmet clinical need. The aim of this study was to evaluate the therapeutic potential and underlying molecular mechanisms of RC48, a novel HER2-target antibody drug conjugate, either alone or in combination with dabrafenib, a V600-mutant BRAF inhibitor, for the treatment of advanced BRAF-mutant cutaneous melanoma...
April 10, 2024: Cellular & Molecular Biology Letters
Yan Liu, Zhujun Chao, Wei Ding, Tanfeng Fang, Xinxian Gu, Man Xue, Wei Wang, Rong Han, Wanping Sun
No abstract text is available yet for this article.
April 9, 2024: Cellular & Molecular Biology Letters
Ting Zhang, Rui-Jie Cao, Jiang-Ling Niu, Zhi-Huan Chen, Shi-Qing Mu, Tong Cao, Jie-Xin Pang, Li-Hua Dong
BACKGROUND: Glucose-6-phosphate dehydrogenase (G6PD) plays an important role in vascular smooth muscle cell (VSMC) phenotypic switching, which is an early pathogenic event in various vascular remodeling diseases (VRDs). However, the underlying mechanism is not fully understood. METHODS: An IP‒LC‒MS/MS assay was conducted to identify new binding partners of G6PD involved in the regulation of VSMC phenotypic switching under platelet-derived growth factor-BB (PDGF-BB) stimulation...
April 8, 2024: Cellular & Molecular Biology Letters
Ying Wang, Yujing Zhai, Mingzhe Zhang, Chunlin Song, Yuqing Zhang, Gang Zhang
Clustered regularly interspaced short palindromic repeats and associated Cas protein (CRISPR-Cas), a powerful genome editing tool, has revolutionized gene function investigation and exhibits huge potential for clinical applications. CRISPR-Cas-mediated gene knockout has already become a routine method in research laboratories. However, in the last few years, accumulating evidences have demonstrated that genes knocked out by CRISPR-Cas may not be truly silenced. Functional residual proteins could be generated in such knockout organisms to compensate the putative loss of function, termed herein knockout escaping...
April 8, 2024: Cellular & Molecular Biology Letters
Meixuan Lin, Xiaoqiang Xu, Xiaoman Zhou, Hui Feng, Ruili Wang, Yunyun Yang, Jing Li, Ning Fan, Yazhuo Jiang, Xiang Li, Feng Guan, Zengqi Tan
BACKGROUND: Small extracellular vesicles (sEV) are closely associated with the development and metastasis of many types of mammalian cancer. Glycoconjugates are highly expressed on sEV and play important roles in sEV biogenesis and their interaction with other cells. However, the study on vesicular glycoconjugates are far behind proteins and nucleic acids. Especially, the functions of sialic acids which are the terminal components of glycoconjugates, are poorly understood in sEV. METHODS: Sialic acid levels on sEV from plasma and bladder cancer cells were determined by ELISA and lectin blotting...
April 1, 2024: Cellular & Molecular Biology Letters
Nicola Balboni, Giorgia Babini, Eleonora Poeta, Michele Protti, Laura Mercolini, Maria Chiara Magnifico, Simona Nicole Barile, Francesca Massenzio, Antonella Pignataro, Federico M Giorgi, Francesco Massimo Lasorsa, Barbara Monti
Aspartate-glutamate carrier isoform 1 (AGC1) is a carrier responsible for the export of mitochondrial aspartate in exchange for cytosolic glutamate and is part of the malate-aspartate shuttle, essential for the balance of reducing equivalents in the cells. In the brain, mutations in SLC25A12 gene, encoding for AGC1, cause an ultra-rare genetic disease, reported as a neurodevelopmental encephalopathy, whose symptoms include global hypomyelination, arrested psychomotor development, hypotonia and seizures. Among the biological components most affected by AGC1 deficiency are oligodendrocytes, glial cells responsible for myelination processes, and their precursors [oligodendrocyte progenitor cells (OPCs)]...
March 29, 2024: Cellular & Molecular Biology Letters
Takeshi Hashimoto, Katsuya Hirano
BACKGROUND: Both glucocorticoid receptor and peroxisome proliferator-activated receptor-γ (PPARγ) play a critical role in adipocyte differentiation. Mifepristone is not only an antagonist of the glucocorticoid receptor but also an agonist of PPARγ. Therefore, the present study investigated the effect of mifepristone on adipocyte differentiation. METHODS: Mouse 3T3-L1 cells were used as a model for adipocyte differentiation. The lipid droplet formation was evaluated with Bodipy493/503 staining and the expression of adipocyte markers [adiponectin and adipocyte fatty acid binding protein-4 (Fabp4)] was evaluated with quantitative PCR and immunoblot analyses for indication of adipocyte differentiation...
March 29, 2024: Cellular & Molecular Biology Letters
Mingming Jin, Tailei Yuan, Kaisai Tian, Jingjing Li, Qingqing Huang, Yongbin Chi, Gang Huang
BACKGROUND: Circular RNAs (circRNAs) are single-stranded RNAs with covalently closed structures that have been implicated in cancer progression. However, the regulatory mechanisms remain largely unclear. So, the aim of this study was to reveal the role and regulatory mechanisms of circ-SLC16A1. METHODS: In this study, next-generation sequencing was used to identify abnormally expressed circRNAs between cancerous and para-carcinoma tissues. Fluorescence in situ hybridization and quantitative reverse transcription polymerase chain reaction were performed to assess the expression patterns of circ-solute carrier family 16 member 1 (SLC16A1) in non-small cell lung cancer (NSCLC) cells and tissue specimens...
March 27, 2024: Cellular & Molecular Biology Letters
Xiangdong Fan, Yitong Zhang, Ruiying Guo, Kuo Yue, Guy Smagghe, Yongyue Lu, Luoluo Wang
Elucidating the intricate interactions between viral pathogens and host cellular machinery during infection is paramount for understanding pathogenic mechanisms and identifying potential therapeutic targets. The RNA modification N6 -methyladenosine (m6 A) has emerged as a significant factor influencing the trajectory of viral infections. Hence, the precise and quantitative mapping of m6 A modifications in both host and viral RNA is pivotal to understanding its role during viral infection. With the rapid advancement of sequencing technologies, scientists are able to detect m6 A modifications with various quantitative, high-resolution, transcriptome approaches...
March 27, 2024: Cellular & Molecular Biology Letters
Petr Pleskač, Christine A Fargeas, Renata Veselska, Denis Corbeil, Jan Skoda
Prominin-1 (CD133) is a cholesterol-binding membrane glycoprotein selectively associated with highly curved and prominent membrane structures. It is widely recognized as an antigenic marker of stem cells and cancer stem cells and is frequently used to isolate them from biological and clinical samples. Recent progress in understanding various aspects of CD133 biology in different cell types has revealed the involvement of CD133 in the architecture and dynamics of plasma membrane protrusions, such as microvilli and cilia, including the release of extracellular vesicles, as well as in various signaling pathways, which may be regulated in part by posttranslational modifications of CD133 and its interactions with a variety of proteins and lipids...
March 26, 2024: Cellular & Molecular Biology Letters
Shasha Xiang, Wen Yan, Xing Ren, Jianbo Feng, Xuyu Zu
Ferroptosis, a therapeutic strategy for tumours, is a regulated cell death characterised by the increased accumulation of iron-dependent lipid peroxides (LPO). Tumour-associated long non-coding RNAs (lncRNAs), when combined with traditional anti-cancer medicines or radiotherapy, can improve efficacy and decrease mortality in cancer. Investigating the role of ferroptosis-related lncRNAs may help strategise new therapeutic options for breast cancer (BC). Herein, we briefly discuss the genes and pathways of ferroptosis involved in iron and reactive oxygen species (ROS) metabolism, including the XC - /GSH/GPX4 system, ACSL4/LPCAT3/15-LOX and FSP1/CoQ10/NAD(P)H pathways, and investigate the correlation between ferroptosis and LncRNA in BC to determine possible biomarkers related to ferroptosis...
March 26, 2024: Cellular & Molecular Biology Letters
Lei Lv, Qinqin Wei, Jianxiao Zhang, Yitong Dong, Zhenglei Shan, Na Chang, Ye Zhao, Po Bian, Qiyi Yi
BACKGROUND: IGF2BP3 functions as an RNA-binding protein (RBP) and plays a role in the posttranscriptional control of mRNA localization, stability, and translation. Its dysregulation is frequently associated with tumorigenesis across various cancer types. Nonetheless, our understanding of how the expression of the IGF2BP3 gene is regulated remains limited. The specific functions and underlying mechanisms of IGF2BP3, as well as the potential benefits of targeting it for therapeutic purposes in bladder cancer, are not yet well comprehended...
March 19, 2024: Cellular & Molecular Biology Letters
Hongyan Xie, Ninghao Yang, Chen Yu, Limin Lu
Aryl hydrocarbon receptor (AhR) was originally identified as an environmental sensor that responds to pollutants. Subsequent research has revealed that AhR recognizes multiple exogenous and endogenous molecules, including uremic toxins retained in the body due to the decline in renal function. Therefore, AhR is also considered to be a uremic toxin receptor. As a ligand-activated transcriptional factor, the activation of AhR is involved in cell differentiation and senescence, lipid metabolism and fibrogenesis...
March 15, 2024: Cellular & Molecular Biology Letters
Demin Du, Yueyan Yang, Yuanyuan Zhang, Guanxiong Wang, Liying Chen, Xiaowei Guan, Lene Juel Rasmussen, Dekang Liu
BACKGROUND: DNA mismatch repair (MMR) is a highly conserved pathway that corrects DNA replication errors, the loss of which is attributed to the development of various types of cancers. Although well characterized, MMR factors remain to be identified. As a 3'-5' exonuclease and endonuclease, meiotic recombination 11 homolog A (MRE11A) is implicated in multiple DNA repair pathways. However, the role of MRE11A in MMR is unclear. METHODS: Initially, short-term and long-term survival assays were used to measure the cells' sensitivity to N-methyl-N'-nitro-N-nitrosoguanidine (MNNG)...
March 14, 2024: Cellular & Molecular Biology Letters
Siqi Wu, Wenjing Tang, Ling Liu, Ke Wei, Yin Tang, Jingyue Ma, Hongbin Li, Yichan Ao
BACKGROUND: Macrophage activation may play a crucial role in the increased susceptibility of obese individuals to acute lung injury (ALI). Dysregulation of miRNA, which is involved in various inflammatory diseases, is often observed in obesity. This study aimed to investigate the role of miR-192 in lipopolysaccharide (LPS)-induced ALI in obese mice and its mechanism of dysregulation in obesity. METHODS: Human lung tissues were obtained from obese patients (BMI ≥ 30...
March 14, 2024: Cellular & Molecular Biology Letters
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