International Journal of Biochemistry & Cell Biology最新文献

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Microtubules and cardiovascular diseases: insights into pathology and therapeutic strategies 微管与心血管疾病:洞察病理学和治疗策略》。
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-09-03 DOI: 10.1016/j.biocel.2024.106650
Qiaomin Wu , Yanli Wang , Jinfeng Liu, Xuanke Guan, Xing Chang, Zhiming Liu, Ruxiu Liu
{"title":"Microtubules and cardiovascular diseases: insights into pathology and therapeutic strategies","authors":"Qiaomin Wu ,&nbsp;Yanli Wang ,&nbsp;Jinfeng Liu,&nbsp;Xuanke Guan,&nbsp;Xing Chang,&nbsp;Zhiming Liu,&nbsp;Ruxiu Liu","doi":"10.1016/j.biocel.2024.106650","DOIUrl":"10.1016/j.biocel.2024.106650","url":null,"abstract":"<div><p>Microtubules, complex cytoskeletal structures composed of tubulin proteins in eukaryotic cells, have garnered recent attention in cardiovascular research. Investigations have focused on the post-translational modifications of tubulin, including acetylation and detyrosination. Perturbations in microtubule homeostasis have been implicated in various pathological processes associated with cardiovascular diseases such as heart failure, ischemic heart disease, and arrhythmias. Thus, elucidating the intricate interplay between microtubule dynamics and cardiovascular pathophysiology is imperative for advancing preventive and therapeutic strategies. Several natural compounds have been identified to potentially modulate microtubules, thereby exerting regulatory effects on cardiovascular diseases. This review synthesizes current literature to delineate the roles of microtubules in cardiovascular diseases and assesses the potential of natural compounds in microtubule-targeted therapies.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"175 ","pages":"Article 106650"},"PeriodicalIF":3.4,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1357272524001420/pdfft?md5=6303e5d7ef334e5755c8488b0c002f42&pid=1-s2.0-S1357272524001420-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142141583","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}
引用次数: 0
Cell-cell fusion in cancer: The next cancer hallmark? 癌症中的细胞-细胞融合:下一个癌症标志?
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-24 DOI: 10.1016/j.biocel.2024.106649
Paulameena V. Shultes , Davis T. Weaver , Dagim S. Tadele , Rowan J. Barker-Clarke , Jacob G. Scott
{"title":"Cell-cell fusion in cancer: The next cancer hallmark?","authors":"Paulameena V. Shultes ,&nbsp;Davis T. Weaver ,&nbsp;Dagim S. Tadele ,&nbsp;Rowan J. Barker-Clarke ,&nbsp;Jacob G. Scott","doi":"10.1016/j.biocel.2024.106649","DOIUrl":"10.1016/j.biocel.2024.106649","url":null,"abstract":"<div><p>In this review, we consider the role of cell-cell fusion in cancer development and progression through an evolutionary lens. We begin by summarizing the origins of fusion proteins (fusogens), of which there are many distinct classes that have evolved through convergent evolution. We then use an evolutionary framework to highlight how the persistence of fusion over generations and across different organisms can be attributed to traits that increase fitness secondary to fusion; these traits map well to the expanded hallmarks of cancer. By studying the tumor microenvironment, we can begin to identify the key selective pressures that may favor higher rates of fusion compared to healthy tissues. The paper concludes by discussing the increasing number of research questions surrounding fusion, recommendations for how to answer them, and the need for a greater interest in exploring cell fusion and evolutionary principles in oncology moving forward.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"175 ","pages":"Article 106649"},"PeriodicalIF":3.4,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142074433","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}
引用次数: 0
Recent technical advances in cellular cryo-electron tomography 细胞低温电子断层扫描的最新技术进展。
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-23 DOI: 10.1016/j.biocel.2024.106648
Tianyu Zheng , Shujun Cai
{"title":"Recent technical advances in cellular cryo-electron tomography","authors":"Tianyu Zheng ,&nbsp;Shujun Cai","doi":"10.1016/j.biocel.2024.106648","DOIUrl":"10.1016/j.biocel.2024.106648","url":null,"abstract":"<div><p>Understanding the in situ structure, organization, and interactions of macromolecules is essential for elucidating their functions and mechanisms of action. Cellular cryo-electron tomography (cryo-ET) is a cutting-edge technique that reveals in situ molecular-resolution architectures of macromolecules in their lifelike states. It also provides insights into the three-dimensional distribution of macromolecules and their spatial relationships with various subcellular structures. Thus, cellular cryo-ET bridges the gap between structural biology and cell biology. With rapid advancements, this technique achieved substantial improvements in throughput, automation, and resolution. This review presents the fundamental principles and methodologies of cellular cryo-ET, highlighting recent developments in sample preparation, data collection, and image processing. We also discuss emerging trends and potential future directions. As cellular cryo-ET continues to develop, it is set to play an increasingly vital role in structural cell biology.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"175 ","pages":"Article 106648"},"PeriodicalIF":3.4,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142057129","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}
引用次数: 0
The use of serotonin type 7 receptor antagonists as a pharmacological intervention in chronic stress. Insights from animal studies 使用血清素 7 型受体拮抗剂对慢性压力进行药理干预。动物研究的启示
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-23 DOI: 10.1016/j.biocel.2024.106647
Marcin Siwiec , Grzegorz Hess
{"title":"The use of serotonin type 7 receptor antagonists as a pharmacological intervention in chronic stress. Insights from animal studies","authors":"Marcin Siwiec ,&nbsp;Grzegorz Hess","doi":"10.1016/j.biocel.2024.106647","DOIUrl":"10.1016/j.biocel.2024.106647","url":null,"abstract":"<div><p>This mini-review presents our current understanding of serotonin type 7 receptor research focusing on the possible network mechanisms underlying the behavioral action of receptor antagonists. The serotonin type 7 receptor is expressed widely throughout the nervous system and known to be involved in various cognitive and physiological mechanisms. It became a clinically significant target after the discovery that its selective antagonist SB 269970 can exert rapid-onset antidepressant effects either alone or in combination with lower doses of conventional antidepressant drugs. Further research has shown that administration of SB 269970 can effectively counteract negative neurobiological outcomes in various chronic stress paradigms. The authors hope they can introduce a wider scientific audience to this promising pharmacological target which, if successful, could in time lead to more discoveries and a better understanding of the underlying serotonin receptor biology as well as its clinical potential.</p></div><div><h3>Highlights</h3><p></p><ul><li><span>•</span><span><p>The 5-HT<sub>7</sub> receptor is widely distributed throughout the nervous system.</p></span></li><li><span>•</span><span><p>5-HT<sub>7</sub> receptor antagonist SB 269970 exerts rapid-onset antidepressant effects.</p></span></li><li><span>•</span><span><p>Antidepressant effects of SB 269970 occur via changes in dorsal raphe activity and subsequent cortical serotonin release.</p></span></li></ul></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"175 ","pages":"Article 106647"},"PeriodicalIF":3.4,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1357272524001390/pdfft?md5=0817d2acbde2c687b28f881a070b51ec&pid=1-s2.0-S1357272524001390-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142057130","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}
引用次数: 0
MEST promotes immune escape in gastric cancer by downregulating MHCI expression via SHP2 MEST 通过 SHP2 下调 MHCI 的表达,促进胃癌的免疫逃逸
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-22 DOI: 10.1016/j.biocel.2024.106621
Min Huang , Fan Zhang , Yan Zhu, Hai Zeng, Shuang Li
{"title":"MEST promotes immune escape in gastric cancer by downregulating MHCI expression via SHP2","authors":"Min Huang ,&nbsp;Fan Zhang ,&nbsp;Yan Zhu,&nbsp;Hai Zeng,&nbsp;Shuang Li","doi":"10.1016/j.biocel.2024.106621","DOIUrl":"10.1016/j.biocel.2024.106621","url":null,"abstract":"<div><h3>Background</h3><p>Immune escape is a major obstacle to T-cell-based immunotherapy for cancers such as gastric cancer (GC). Mesoderm-specific transcript (MEST) is a tumor-promoting factor that regulates multiple oncogenic signaling pathways. However, the role of MEST-mediated immune escape is unclear.</p></div><div><h3>Methods</h3><p>Bioinformatics analysis of MEST expression and enrichment pathways were performed Quantitative reverse transcription PCR (qPCR) or western blot was used to detect the expression of MEST, Src homology region 2-containing protein tyrosine phosphatase 2 (SHP2), Major histocompatibility class I (MHCI)-related genes. Cell function was assessed by Cell Counting Kit (CCK)-8, Transwell, Lactate dehydrogenase (LDH) kit, flow cytometry, enzyme-linked immunosorbent assay (ELISA), and immunohistochemistry (IHC). Xenograft nude mice and immune-reconstructed mice were used to test the effects of different treatments on tumor growth and immune escape <em>in vivo</em>.</p></div><div><h3>Results</h3><p>MEST was upregulated in GC and promoted tumor proliferation, migration, and invasion. Rescue experiments revealed that TNO155 treatment or knockdown of SHP2 promoted the killing ability of CD8<sup>+</sup> T cells and the expression of granzyme B (GZMB) and interferon-gamma (IFN-γ), and MEST overexpression reversed the effect. <em>In vivo</em> experiments confirmed that MEST promoted tumor growth, knockdown of MEST inhibited immune escape in GC, and that combination treatment with anti-PD-1 improved anti-tumor activity.</p></div><div><h3>Conclusion</h3><p>In this study, we demonstrated that MEST inhibited IFN-γ secretion from CD8+ T cells by up-regulating SHP2, thereby downregulating MHCI expression in GC cells to promote immune escape and providing a new T cell-based therapeutic potential for GC.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"174 ","pages":"Article 106621"},"PeriodicalIF":3.4,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142044307","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}
引用次数: 0
ITCH inhibits alkaliptosis in human pancreatic cancer cells through YAP1-dependent SLC16A1 activation ITCH 通过 YAP1 依赖性 SLC16A1 激活抑制人类胰腺癌细胞的碱中毒。
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-22 DOI: 10.1016/j.biocel.2024.106646
Xiutao Cai , Fangquan Chen , Hu Tang , Dandan Chao , Rui Kang , Daolin Tang , Jiao Liu
{"title":"ITCH inhibits alkaliptosis in human pancreatic cancer cells through YAP1-dependent SLC16A1 activation","authors":"Xiutao Cai ,&nbsp;Fangquan Chen ,&nbsp;Hu Tang ,&nbsp;Dandan Chao ,&nbsp;Rui Kang ,&nbsp;Daolin Tang ,&nbsp;Jiao Liu","doi":"10.1016/j.biocel.2024.106646","DOIUrl":"10.1016/j.biocel.2024.106646","url":null,"abstract":"<div><p>Alkaliptosis is a type of pH-dependent cell death and plays an emerging role in tumor suppression. However, the key modulation mechanism of alkaliptosis remains largely unknown. In particular, the nucleus, as the centre of genetic and metabolic regulation, is crucial for the regulation of cellular life. It is not known whether nuclear proteins are involved in the regulation of alkaliptosis. Here, we isolated nuclear proteins to perform a proteomics that identified itchy E3 ubiquitin protein ligase (ITCH) as a natural inhibitor of alkaliptosis in human pancreatic ductal adenocarcinoma (PDAC) cells. The downregulation of ITCH protein is associated with the induction of alkaliptosis in three human PDAC cell lines (SW1990, MiaPaCa2, and PANC1). Functionally, increasing ITCH expression reduces JTC801-induced growth inhibition and cell death. In contrast, knocking down <em>ITCH</em> using specific shRNA increases JTC801-induced cell growth inhibition in the short or long term, resulting in increased cell death. Mechanistically, JTC801-induced ITCH inhibition blocks large tumor suppressor kinase 1 (LATS1) ubiquitination, which in turn suppresses Yes1 associated transcriptional regulator (YAP1)-dependent the transcriptional activation of solute carrier family 16 member 1 (SLC16A1), a proton-linked monocarboxylate transporter that inhibits JTC801-induced alkaliptosis. Additionally, decreased expression of <em>ITCH</em> is associated with longer survival times in patients with PDAC. Collectively, our results establish an ITCH-dependent pathway that regulates alkaliptotic sensitivity in PDAC cells and deepen the understanding of alkaliptosis in targeted therapy.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"175 ","pages":"Article 106646"},"PeriodicalIF":3.4,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142047400","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}
引用次数: 0
IRX3 promotes adipose tissue browning and inhibits fibrosis in obesity-resistant mice IRX3 可促进肥胖小鼠脂肪组织棕色化并抑制纤维化。
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-22 DOI: 10.1016/j.biocel.2024.106638
Xi-yue Yan , Yuan-yuan Luo , Hui-jian Chen , Xiao-qin Hu , Peng Zheng , Hong-ting Fang , Fei Ding , Li Zhang , Zhen Li , You-e Yan
{"title":"IRX3 promotes adipose tissue browning and inhibits fibrosis in obesity-resistant mice","authors":"Xi-yue Yan ,&nbsp;Yuan-yuan Luo ,&nbsp;Hui-jian Chen ,&nbsp;Xiao-qin Hu ,&nbsp;Peng Zheng ,&nbsp;Hong-ting Fang ,&nbsp;Fei Ding ,&nbsp;Li Zhang ,&nbsp;Zhen Li ,&nbsp;You-e Yan","doi":"10.1016/j.biocel.2024.106638","DOIUrl":"10.1016/j.biocel.2024.106638","url":null,"abstract":"<div><p>Obesity is one of the threats to human health and survival. High fat diet (HFD)-induced obesity leads to adipose tissue fibrosis and a series of metabolic diseases. There are some people still thin under HFD, a phenomenon known as the \"obesity resistance (OR) phenotype\". It was found that Iroquois homeobox 3 (<em>IRX3</em>) is considered as a regulator in obesity, but the regulatory mechanism between OR and <em>IRX3</em> is still unclear. In this study, we investigated OR on a HFD and the role of the <em>IRX3</em> gene. Using mice, we observed that OR mice had lower body weights, reduced liver lipid synthesis, and increased white adipose tissue (WAT) lipolysis compared to obesity-prone (OP) mice. Additionally, OR mice exhibited spontaneous WAT browning and less fibrosis, correlating with higher <em>Irx3</em> expression. Utilizing 3T3-L1 differentiated adipocytes, our study demonstrated that overexpression of <em>Irx3</em> promoted thermogenesis-related gene expression and reduced adipocyte fibrosis. Therefore, <em>Irx3</em> promotes WAT browning and inhibits fibrosis in OR mice. These results provide insight into the differences between obesity and OR, new perspectives on obesity treatment, and guidance for lessening adipose tissue fibrosis.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"175 ","pages":"Article 106638"},"PeriodicalIF":3.4,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142037597","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}
引用次数: 0
Tumor-derived exosomal ICAM1 promotes bone metastasis of triple-negative breast cancer by inducing CD8+ T cell exhaustion 肿瘤外源性 ICAM1 通过诱导 CD8+ T 细胞衰竭促进三阴性乳腺癌的骨转移。
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-13 DOI: 10.1016/j.biocel.2024.106637
Mingcang Chen , Zhengwei Fu , Chunyu Wu
{"title":"Tumor-derived exosomal ICAM1 promotes bone metastasis of triple-negative breast cancer by inducing CD8+ T cell exhaustion","authors":"Mingcang Chen ,&nbsp;Zhengwei Fu ,&nbsp;Chunyu Wu","doi":"10.1016/j.biocel.2024.106637","DOIUrl":"10.1016/j.biocel.2024.106637","url":null,"abstract":"<div><p>Exosomes, which are nanosized extracellular vesicles, have emerged as crucial mediators of the crosstalk between tumor cells and the immune system. Intercellular adhesion molecule 1 (ICAM1) plays a crucial role in multiple immune functions as well as in the occurrence, development and metastasis of cancer. As a glycoprotein expressed on the cell membrane, ICAM1 is secreted extracellularly on exosomes and regulates the immunosuppressive microenvironment. However, the role of exosomal ICAM1 in the immune microenvironment of breast cancer bone metastases remains unclear. This study aimed to elucidated the role of exosomal ICAM1 in facilitating CD8+ T cell exhaustion and subsequent bone metastasis in triple-negative breast cancer (TNBC). We demonstrated that TNBC cells release ICAM1-enriched exosomes, and the binding of ICAM1 to its receptor is necessary for the suppressive effect of CD8 T cell proliferation and function. This pivotal engagement not only inhibits CD8+ T cell proliferation and activation but also initiates the development of an immunosuppressive microenvironment that is conducive to TNBC tumor growth and bone metastasis. Moreover, ICAM1 blockade significantly impairs the ability of tumor exosomes to bind to CD8+ T cells, thereby inhibiting their immunosuppressive effects. The present study elucidates the complex interaction between primary tumors and the immune system that is mediated by exosomes and provides a foundation for the development of novel cancer immunotherapies that target ICAM1 with the aim of mitigating TNBC bone metastasis.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"175 ","pages":"Article 106637"},"PeriodicalIF":3.4,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141989367","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}
引用次数: 0
ACAP3 negatively regulated by HDAC2 inhibits the malignant development of papillary thyroid carcinoma cells 受 HDAC2 负调控的 ACAP3 可抑制甲状腺乳头状癌细胞的恶性发展。
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-08-03 DOI: 10.1016/j.biocel.2024.106635
Fenfen Zhan , Ronghui Zhang , Lanlan Qiu , Yuezhong Ren
{"title":"ACAP3 negatively regulated by HDAC2 inhibits the malignant development of papillary thyroid carcinoma cells","authors":"Fenfen Zhan ,&nbsp;Ronghui Zhang ,&nbsp;Lanlan Qiu ,&nbsp;Yuezhong Ren","doi":"10.1016/j.biocel.2024.106635","DOIUrl":"10.1016/j.biocel.2024.106635","url":null,"abstract":"<div><p>ArfGAP with coiled-coil, ankyrin repeat and PH domains 3 (ACAP3) level has been confirmed to be downregulated in papillary thyroid carcinoma (PTC). Histone deacetylase inhibitors (HDACIs) have therapeutic effects on PTC. Accordingly, this study probed into the potential relation of histone deacetylase 2 (HDAC2) and ACAP3 in PTC. Expressions of ACAP3 and HDAC2 in PTC were investigated by quantitative real-time polymerase chain reaction (qRT-PCR). The relationship between HDAC2 and ACAP3 was predicted by Pearson analysis. Cell functional assays (cell counting kit-8, transwell, wound healing and flow cytometry assays) and rescue assay were carried out to determine the effects of HDAC2/ACAP3 axis on biological behaviors of PTC cells. Expressions of apoptosis-, epithelial-mesenchymal transition-, Protein Kinase B (AKT)-, and P53-related proteins were measured by Western blot. ACAP3 level was downregulated in PTC tissues and cells. ACAP3 overexpression (oe-ACAP3) suppressed viability, proliferation, migration and invasion of PTC cells, facilitated apoptosis, downregulated the expressions of Protein Kinase B (Bcl-2) and N-cadherin, upregulated the expressions of Bcl-2 associated protein X (Bax) and E-cadherin, diminished the p-AKT/AKT ratio and elevated the p-p53/p53 ratio; however, ACAP3 silencing or HDAC2 overexpression (oe-HDAC2) did the opposite. HDAC2 negatively correlated with ACAP3. The tumor-suppressing effect of oe-ACAP3 in PTC was reversed by oe-HDAC2. Collectively, ACAP3 negatively regulated by HDAC2 suppresses the proliferation and metastasis while facilitating apoptosis of PTC cells.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"174 ","pages":"Article 106635"},"PeriodicalIF":3.4,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141890702","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}
引用次数: 0
RNA-based logic for selective protein expression in senescent cells 基于 RNA 的衰老细胞蛋白质选择性表达逻辑。
IF 3.4 3区 生物学
International Journal of Biochemistry & Cell Biology Pub Date : 2024-07-31 DOI: 10.1016/j.biocel.2024.106636
Ward Jacobs , Masoomeh Khalifeh , Merijn Koot , Valentina Palacio-Castañeda , Jenny van Oostrum , Marleen Ansems , Wouter P.R. Verdurmen , Roland Brock
{"title":"RNA-based logic for selective protein expression in senescent cells","authors":"Ward Jacobs ,&nbsp;Masoomeh Khalifeh ,&nbsp;Merijn Koot ,&nbsp;Valentina Palacio-Castañeda ,&nbsp;Jenny van Oostrum ,&nbsp;Marleen Ansems ,&nbsp;Wouter P.R. Verdurmen ,&nbsp;Roland Brock","doi":"10.1016/j.biocel.2024.106636","DOIUrl":"10.1016/j.biocel.2024.106636","url":null,"abstract":"<div><p>Cellular senescence is a cellular state characterized by irreversible growth arrest, resistance to apoptosis and secretion of inflammatory molecules, which is causally linked to the pathogenesis of many age-related diseases. Besides, there is accumulating evidence that selective removal of senescent cells can benefit therapies for cancer and fibrosis by modulating the inflammatory microenvironment. While the field of so-called senolytics has spawned promising small molecules and peptides for the selective removal of senescent cells, there is still no effective means to detect senescent cells <em>in vivo</em>, a prerequisite for understanding the role of senescence in pathophysiology and to assess the effectiveness of treatments aimed at removing senescent cells. Here, we present a strategy based on an mRNA logic circuit, that yields mRNA-dependent protein expression only when a senescence-specific miRNA signature is present. Following a validation of radiation-induced senescence induction in primary human fibroblasts, we identify miRNAs up- and downregulated in association with cellular senescence using RT-qPCR. Incorporating binding sites to these miRNAs into the 3’ untranslated regions of the mRNA logic circuit, we demonstrate the senescence-specific expression of EGFP for detection of senescent cells and of a constitutively active caspase-3 for selective removal. Altogether, our results pave the way for a novel approach to execute an mRNA-based programme specifically in senescent cells aimed at their detection or selective removal.</p></div>","PeriodicalId":50335,"journal":{"name":"International Journal of Biochemistry & Cell Biology","volume":"174 ","pages":"Article 106636"},"PeriodicalIF":3.4,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1357272524001286/pdfft?md5=127b2de5e49efd58380aad8dcd997168&pid=1-s2.0-S1357272524001286-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876560","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}
引用次数: 0
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