Hongbao Yang, Xiaobo Li, Qingtao Meng, Hao Sun, Shenshen Wu, Weiwei Hu, Guilai Liu, Xianjing Li, Yong Yang, Rui Chen
No abstract text is available yet for this article.
April 2, 2024: Molecular Cancer
Alessandra Zingoni, Fabrizio Antonangeli, Silvano Sozzani, Angela Santoni, Marco Cippitelli, Alessandra Soriani
Cancer progression is continuously controlled by the immune system which can identify and destroy nascent tumor cells or inhibit metastatic spreading. However, the immune system and its deregulated activity in the tumor microenvironment can also promote tumor progression favoring the outgrowth of cancers capable of escaping immune control, in a process termed cancer immunoediting. This process, which has been classified into three phases, i.e. "elimination", "equilibrium" and "escape", is influenced by several cancer- and microenvironment-dependent factors...
April 1, 2024: Molecular Cancer
Danyang Zhong, Ziyuan Wang, Zhichao Ye, Yifan Wang, Xiujun Cai
Gastrointestinal cancer (GIC) is the most prevalent and highly metastatic malignant tumor and has a significant impact on mortality rates. Nevertheless, the swift advancement of contemporary technology has not seamlessly aligned with the evolution of detection methodologies, resulting in a deficit of innovative and efficient clinical assays for GIC. Given that exosomes are preferentially released by a myriad of cellular entities, predominantly originating from neoplastic cells, this confers exosomes with a composition enriched in cancer-specific constituents...
April 1, 2024: Molecular Cancer
Ling Wang, Xin Wang, Xueping Zhu, Lin Zhong, Qingxiu Jiang, Ya Wang, Qin Tang, Qiaoling Li, Cong Zhang, Haixia Wang, Dongling Zou
Ovarian cancer is the leading cause of gynecological cancer-related death. Drug resistance is the bottleneck in ovarian cancer treatment. The increasing use of novel drugs in clinical practice poses challenges for the treatment of drug-resistant ovarian cancer. Continuing to classify drug resistance according to drug type without understanding the underlying mechanisms is unsuitable for current clinical practice. We reviewed the literature regarding various drug resistance mechanisms in ovarian cancer and found that the main resistance mechanisms are as follows: abnormalities in transmembrane transport, alterations in DNA damage repair, dysregulation of cancer-associated signaling pathways, and epigenetic modifications...
March 28, 2024: Molecular Cancer
Zhiqiang He, Yuhan Zhong, Parbatraj Regmi, Tianrun Lv, Wenjie Ma, Junke Wang, Fei Liu, Siqi Yang, Yanjie Zhong, Rongxing Zhou, Yanwen Jin, Nansheng Cheng, Yujun Shi, Haijie Hu, Fuyu Li
BACKGROUND: Abnormal angiogenesis is crucial for gallbladder cancer (GBC) tumor growth and invasion, highlighting the importance of elucidating the mechanisms underlying this process. LncRNA (long non-coding RNA) is widely involved in the malignancy of GBC. However, conclusive evidence confirming the correlation between lncRNAs and angiogenesis in GBC is lacking. METHODS: LncRNA sequencing was performed to identify the differentially expressed lncRNAs. RT-qPCR, western blot, FISH, and immunofluorescence were used to measure TRPM2-AS and NOTCH1 signaling pathway expression in vitro...
March 27, 2024: Molecular Cancer
Blessie Elizabeth Nelson, Jason Roszik, Jibran Ahmed, Carmelia Maria Noia Barretto, Mirella Nardo, Erick Campbell, Amber M Johnson, Sarina A Piha-Paul, Isabella C Glitza Oliva, Shiao-Pei Weathers, Maria Cabanillas, Milind Javle, Funda Meric-Bernstam, Vivek Subbiah
Previous studies have shown the clinical benefit of rechallenging the RAF pathway in melanoma patients previously treated with BRAF inhibitors. 44 patients with multiple tumors harboring RAF alterations were rechallenged with a second RAF inhibitor, either as monotherapy or in combination with other therapies, after prior therapy with a first RAF inhibitor. This retrospective observational study results showed that rechallenging with RAFi(s) led to an overall response rate of 18.1% [PR in thyroid (1 anaplastic; 3 papillary), 1 ovarian, 2 melanoma, 1 cholangiocarcinoma, and 1 anaplastic astrocytoma]...
March 26, 2024: Molecular Cancer
Giovanna Polcaro, Luigi Liguori, Valentina Manzo, Annalisa Chianese, Giuliana Donadio, Alessandro Caputo, Giosuè Scognamiglio, Federica Dell'Annunziata, Maddalena Langella, Graziamaria Corbi, Alessandro Ottaiano, Marco Cascella, Francesco Perri, Margot De Marco, Jessica Dal Col, Giovanni Nassa, Giorgio Giurato, Pio Zeppa, Amelia Filippelli, Gianluigi Franci, Fabrizio Dal Piaz, Valeria Conti, Stefano Pepe, Francesco Sabbatino
Efficient predictive biomarkers are needed for immune checkpoint inhibitor (ICI)-based immunotherapy in non-small cell lung cancer (NSCLC). Testing the predictive value of single nucleotide polymorphisms (SNPs) in programmed cell death 1 (PD-1) or its ligand 1 (PD-L1) has shown contrasting results. Here, we aim to validate the predictive value of PD-L1 SNPs in advanced NSCLC patients treated with ICIs as well as to define the molecular mechanisms underlying the role of the identified SNP candidate. rs822336 efficiently predicted response to anti-PD-1/PD-L1 immunotherapy in advanced non-oncogene addicted NSCLC patients as compared to rs2282055 and rs4143815...
March 25, 2024: Molecular Cancer
Kaifeng Liu, Meijia Li, Yudong Li, Yutong Li, Zixin Chen, Yiqi Tang, Meitian Yang, Guoquan Deng, Hongwei Liu
While strategies such as chemotherapy and immunotherapy have become the first-line standard therapies for patients with advanced or metastatic cancer, acquired resistance is still inevitable in most cases. The introduction of antibody‒drug conjugates (ADCs) provides a novel alternative. ADCs are a new class of anticancer drugs comprising the coupling of antitumor mAbs with cytotoxic drugs. Compared with chemotherapeutic drugs, ADCs have the advantages of good tolerance, accurate target recognition, and small effects on noncancerous cells...
March 23, 2024: Molecular Cancer
Antonin Levy, Daphné Morel, Matthieu Texier, Roger Sun, Jerome Durand-Labrunie, Maria E Rodriguez-Ruiz, Severine Racadot, Stéphane Supiot, Nicolas Magné, Stacy Cyrille, Guillaume Louvel, Christophe Massard, Loic Verlingue, Fanny Bouquet, Alberto Bustillos, Lisa Bouarroudj, Clément Quevrin, Céline Clémenson, Michele Mondini, Lydia Meziani, Lambros Tselikas, Rastilav Bahleda, Antoine Hollebecque, Eric Deutsch
BACKGROUND: Immuno-radiotherapy may improve outcomes for patients with advanced solid tumors, although optimized combination modalities remain unclear. Here, we report the colorectal (CRC) cohort analysis from the SABR-PDL1 trial that evaluated the PD-L1 inhibitor atezolizumab in combination with stereotactic body radiation therapy (SBRT) in advanced cancer patients. METHODS: Eligible patients received atezolizumab 1200 mg every 3 weeks until progression or unmanageable toxicity, together with ablative SBRT delivered concurrently with the 2nd cycle (recommended dose of 45 Gy in 3 fractions, adapted upon normal tissue tolerance constraint)...
March 23, 2024: Molecular Cancer
Fei Luo, Mingda Zhang, Bowen Sun, Chenxin Xu, Yi Yang, Yingwen Zhang, Shanshan Li, Guoyu Chen, Ceshi Chen, Yanxin Li, Haizhong Feng
BACKGROUND: Cancer stem-like cell is a key barrier for therapeutic resistance and metastasis in various cancers, including breast cancer, yet the underlying mechanisms are still elusive. Through a genome-wide lncRNA expression profiling, we identified that LINC00115 is robustly upregulated in chemoresistant breast cancer stem-like cells (BCSCs). METHODS: LncRNA microarray assay was performed to document abundance changes of lncRNAs in paclitaxel (PTX)-resistant MDA-MB-231 BCSC (ALDH+ ) and non-BCSC (ALDH- )...
March 22, 2024: Molecular Cancer
Haosheng Li, Haoran Feng, Tao Zhang, Junwei Wu, Xiaonan Shen, Shuiyu Xu, Lianghui Xu, Shaodong Wang, Yaqi Zhang, Wenqing Jia, Xiaopin Ji, Xi Cheng, Ren Zhao
BACKGROUND: Tyrosine kinase inhibitors (TKIs) are crucial in the targeted treatment of advanced colorectal cancer (CRC). Anlotinib, a multi-target TKI, has previously been demonstrated to offer therapeutic benefits in previous studies. Circular RNAs (circRNAs) have been implicated in CRC progression and their unique structural stability serves as promising biomarkers. The detailed molecular mechanisms and specific biomarkers related to circRNAs in the era of targeted therapies, however, remain obscure...
March 21, 2024: Molecular Cancer
Shengkun Peng, Anqi Lin, Aimin Jiang, Cangang Zhang, Jian Zhang, Quan Cheng, Peng Luo, Yifeng Bai
Cytotoxic T lymphocytes (CTLs) play critical antitumor roles, encompassing diverse subsets including CD4+, NK, and γδ T cells beyond conventional CD8+ CTLs. However, definitive CTLs biomarkers remain elusive, as cytotoxicity-molecule expression does not necessarily confer cytotoxic capacity. CTLs differentiation involves transcriptional regulation by factors such as T-bet and Blimp-1, although epigenetic regulation of CTLs is less clear. CTLs promote tumor killing through cytotoxic granules and death receptor pathways, but may also stimulate tumorigenesis in some contexts...
March 21, 2024: Molecular Cancer
Junlong Wu, Yuda Lin, Kaiwei Yang, Xiao Liu, Huina Wang, Tingting Yu, Ran Tao, Jing Guo, Libin Chen, Huanqing Cheng, Feng Lou, Shanbo Cao, Wei Yu, Hailong Hu, Dingwei Ye
Urine-based testing is promising for noninvasive diagnosis of urothelial carcinoma (UC) but has suboptimal sensitivity for early-stage tumors. Herein, we developed a multitarget urine tumor DNA test, UI-Seek, for UC detection and evaluated its clinical feasibility. The prediction model was developed in a retrospective cohort (n = 382), integrating assays for FGFR3 and TERT mutations and aberrant ONECUT2 and VIM methylation to generate a UC-score. The test performance was validated in a double-blinded, multicenter, prospective trial (n = 947; ChiCTR2300076543) and demonstrated a sensitivity of 91...
March 19, 2024: Molecular Cancer
Yufei Wang, Alicia Buck, Brandon Piel, Luann Zerefa, Nithyassree Murugan, Christian D Coherd, Andras G Miklosi, Haraman Johal, Ricardo Nunes Bastos, Kun Huang, Miriam Ficial, Yasmin Nabil Laimon, Sabina Signoretti, Zhou Zhong, Song-My Hoang, Gabriella M Kastrunes, Marion Grimaud, Atef Fayed, Hsien-Chi Yuan, Quang-De Nguyen, Tran Thai, Elena V Ivanova, Cloud P Paweletz, Ming-Ru Wu, Toni K Choueiri, Jon O Wee, Gordon J Freeman, David A Barbie, Wayne A Marasco
One of the major hurdles that has hindered the success of chimeric antigen receptor (CAR) T cell therapies against solid tumors is on-target off-tumor (OTOT) toxicity due to sharing of the same epitopes on normal tissues. To elevate the safety profile of CAR-T cells, an affinity/avidity fine-tuned CAR was designed enabling CAR-T cell activation only in the presence of a highly expressed tumor associated antigen (TAA) but not when recognizing the same antigen at a physiological level on healthy cells. Using direct stochastic optical reconstruction microscopy (dSTORM) which provides single-molecule resolution, and flow cytometry, we identified high carbonic anhydrase IX (CAIX) density on clear cell renal cell carcinoma (ccRCC) patient samples and low-density expression on healthy bile duct tissues...
March 16, 2024: Molecular Cancer
Tao Jiang, Junwen Qi, Zhenyu Xue, Bowen Liu, Jianquan Liu, Qihang Hu, Yuqiu Li, Jing Ren, Hu Song, Yixin Xu, Teng Xu, Ruizhi Fan, Jun Song
BACKGROUND: Long noncoding RNAs (lncRNAs) have emerged as key players in tumorigenesis and tumour progression. However, the biological functions and potential mechanisms of lncRNAs in colorectal cancer (CRC) are unclear. METHODS: The novel lncRNA POU6F2-AS1 was identified through bioinformatics analysis, and its expression in CRC patients was verified via qRT-PCR and FISH. In vitro and in vivo experiments, such as BODIPY staining, Oil Red O staining, triglyceride (TAG) assays, and liquid chromatography mass spectrometry (LC-MS) were subsequently performed with CRC specimens and cells to determine the clinical significance, and functional roles of POU6F2-AS1...
March 16, 2024: Molecular Cancer
Xin Peng, Xin Huang, Talal Ben Lulu, Wenqing Jia, Shaolu Zhang, Limor Cohen, Shengfan Huang, Jindian Fan, Xi Chen, Shanshan Liu, Yongzhe Wang, Kailin Wang, Sho Isoyama, Shingo Dan, Feng Wang, Zhe Zhang, Moshe Elkabets, Dexin Kong
BACKGROUND: Phosphoinositide 3-kinases (PI3Ks) are critical regulators of diverse cellular functions and have emerged as promising targets in cancer therapy. Despite significant progress, existing PI3K inhibitors encounter various challenges such as suboptimal bioavailability, potential off-target effects, restricted therapeutic indices, and cancer-acquired resistance. Hence, novel inhibitors that overcome some of these challenges are needed. Here, we describe the characterization of KTC1101, a novel pan-PI3K inhibitor that simultaneously targets tumor cell proliferation and the tumor microenvironment...
March 14, 2024: Molecular Cancer
Tao Chen, Jieyi Deng, Yongli Zhang, Bingfeng Liu, Ruxin Liu, Yiqiang Zhu, Mo Zhou, Yingtong Lin, Baijin Xia, Keming Lin, Xiancai Ma, Hui Zhang
BACKGROUND: Chimeric antigen receptor-T (CAR-T) cells therapy is one of the novel immunotherapeutic approaches with significant clinical success. However, their applications are limited because of long preparation time, high cost, and interpersonal variations. Although the manufacture of universal CAR-T (U-CAR-T) cells have significantly improved, they are still not a stable and unified cell bank. METHODS: Here, we tried to further improve the convenience and flexibility of U-CAR-T cells by constructing novel modular universal CAR-T (MU-CAR-T) cells...
March 11, 2024: Molecular Cancer
Edmilson Ozorio Dos Santos, Tatiana Correa Carneiro-Lobo, Mateus Nobrega Aoki, Elena Levantini, Daniela Sanchez Bassères
No abstract text is available yet for this article.
March 9, 2024: Molecular Cancer
Xiaojun Shi, Shiyu Pang, Jiawei Zhou, Guang Yan, Ruxi Gao, Haowei Wu, Zhou Wang, Yuqing Wei, Xinyu Liu, Wanlong Tan
BACKGROUND: Polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs) is one of the causes of tumor immune tolerance and failure of cancer immunotherapy. Here, we found that bladder cancer (BCa)-derived exosomal circRNA_0013936 could enhance the immunosuppressive activity of PMN-MDSCs by regulating the expression of fatty acid transporter protein 2 (FATP2) and receptor-interacting protein kinase 3 (RIPK3). However, the underlying mechanism remains largely unknown. METHODS: BCa-derived exosomes was isolated and used for a series of experiments...
March 9, 2024: Molecular Cancer
Anmi Jose, Pallavi Kulkarni, Jaya Thilakan, Murali Munisamy, Anvita Gupta Malhotra, Jitendra Singh, Ashok Kumar, Vivek M Rangnekar, Neha Arya, Mahadev Rao
Despite advancements in treatment protocols, cancer is one of the leading cause of deaths worldwide. Therefore, there is a need to identify newer and personalized therapeutic targets along with screening technologies to combat cancer. With the advent of pan-omics technologies, such as genomics, transcriptomics, proteomics, metabolomics, and lipidomics, the scientific community has witnessed an improved molecular and metabolomic understanding of various diseases, including cancer. In addition, three-dimensional (3-D) disease models have been efficiently utilized for understanding disease pathophysiology and as screening tools in drug discovery...
March 9, 2024: Molecular Cancer
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