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Total 2013 results found since Jan 2013.

Evaluating the effect of siRNA on sox2ot expression in the Human Neuron-Committed Teratocarcinoma NT2 Cellline.
Authors: Sadeghi Z, Dodange F, Maleki P, Zarei M, Taheri M, Raheb J Abstract Non-coding RNA elongated (lncRNAs) have recently attracted as molecules that regulate gene expression of the pluripotent properties (pluripotency) of stem cells. Recently our colleagues examined the role of one of these RNAs called SOX2OT in esophageal squamous cell carcinoma, and found a concomitant increase in its expression with some regulatory genes of cell proliferation. In the present study, using the design of suitable primers from SOX2OT gene, we investigated the effect of siRNA on expression of SOX2OT. PMID: 32716352 [PubMed -...
Source: Human Antibodies - July 29, 2020 Category: Biochemistry Tags: Hum Antibodies Source Type: research

GSE178669 Next Generation Sequencing Facilitates Quantitative Analysis of Control siRNA, RAB11A siRNA1 and RAB11A siRNA2 suppressed EBC-1 cell's Transcriptomes
This study aims to find cellular pathway changes in RAB11A suppressed in lung squamous cell carcinoma cell line EBC-1 compared to control and to evaluate downregulating genes by RAB11A suppression by siRNA. Total RNA was extracted from EBC-1 transfected with control siRNA and RAB11A specific siRNAs using the RNeasy mini kit (Qiagen, Hilden, Germany). CAGE library preparation, sequencing, mapping, and gene expression and motif discovery analysis were performed by DNAFORM (Yokohama, Japan). In brief, RNA quality was assessed by Bioanalyzer (Agilent) to ensure that RIN (RNA integrity number) is over 7.0 and A260/280 and 260/2...
Source: GEO: Gene Expression Omnibus - June 23, 2021 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Homo sapiens Source Type: research

Intrathecal siRNA Against GPNMB Attenuates Nociception in a Rat Model of Neuropathic Pain
Abstract Neuropathic pain is characterized by hyperalgesia, allodynia, and spontaneous pain. Recent studies have shown that glycoprotein nonmetastatic melanoma B (GPNMB) plays a pivotal role in neuronal survival and neuroprotection. However, the role of GPNMB in neuropathic pain remains unknown. The aim of the present study was to assess the role of GPNMB in neuropathic pain. In cultured spinal cord neurons, we used two small interfering RNAs (siRNAs) targeting the complementary DNA (cDNA) sequence of rat GPNMB that had potent inhibitory effects on GPNMB, and siRNA1-GPNMB was selected for further in vivo study as...
Source: Journal of Molecular Neuroscience - January 23, 2015 Category: Neuroscience Source Type: research

GSE66113 siRNA induced silencing of CITED1 in HT144 human melanoma cells
Contributor : Jillian HowlinSeries Type : Expression profiling by arrayOrganism : Homo sapiensTo investigate the function of CITED1 in melanoma, its expression was transiently downregulated using CITED1 targeting siRNA. The HT144 melanoma cell line was chosen as it had a relatively high level of detectable CITED1 mRNA and protein expression.
Source: GEO: Gene Expression Omnibus - February 20, 2015 Category: Genetics & Stem Cells Tags: Expression profiling by array Homo sapiens Source Type: research

GSE68599 Trascriptional profile of BRAF inhibitor-resistant SKMEL28 and WM3248 melanoma cells and changes upon YAP/TAZ siRNA knockdown
Contributors : Min-Hwan Kim ; Jongshin Kim ; Hyowon Hong ; Si-Hyung Lee ; June-Koo Lee ; Eunji Jung ; Joon KimSeries Type : Expression profiling by arrayOrganism : Homo sapiensThe activation of transcriptional coactivators YAP and its paralog TAZ has been shown to promote resistance to anti-cancer therapies. YAP/TAZ activity is tightly coupled to actin cytoskeleton architecture. However, the influence of actin remodeling on cancer drug resistance remains largely unexplored. Here, we report a pivotal role of actin remodeling in YAP/TAZ-dependent BRAF inhibitor resistance in BRAF V600E mutant melanoma cells. Melanoma cells r...
Source: GEO: Gene Expression Omnibus - November 18, 2015 Category: Genetics & Stem Cells Tags: Expression profiling by array Homo sapiens Source Type: research

Growth inhibition and chemo-radiosensitization of head and neck squamous cell carcinoma (HNSCC) by survivin-siRNA lentivirus
In this study, we investigated the effect of survivin knockdown by survivin-siRNA lentiviral vector (Svv-Lent) on the response of HNSCC to chemo-radiotherapy, tumor growth and metastasis.
Source: Radiotherapy and Oncology - December 30, 2015 Category: Radiology Authors: Zakir Khan, Abdul Arif Khan, Godavarthi B.K.S. Prasad, Noor Khan, Ram Pramod Tiwari, Prakash Singh Bisen Tags: Original article Source Type: research

siRNA Targeting Net1 Reduces the Angiogenesis and Tumor Growth of in vivo Cervical Squamous Cell Carcinoma through VEGF down-regulation
Net1, a guanine nucleotide exchange factor, is implicated in cancer cell invasion through activation of RhoA. However, there is still no report on the association between Net1 and cancer angiogenesis. The current study was designed to explore the roles of Net1 in the angiogenesis of cervical squamous cell carcinoma (CSCC) and further observe the effects of Net1 siRNA on the tumor growth. Net1 was overexpressed in CSCC samples (n=80), correlated to the cancer microvessel density (MVD, r=0.223, P=.026) and related to aggressive clinical behaviors, including depth of cervical wall invasion (P=.041), parametrial involvement (P...
Source: Human Pathology - May 13, 2017 Category: Pathology Authors: Yuting Zhang, Pei Xia, Wenhui Zhang, Min Yan, Xiujuan Xiong, Weiwei Yu, Enlin Song Tags: Original contribution Source Type: research

GSE100589 Gene expression profiling of SAS cell line transfected with siRNA targeting CYLD
Contributors : Satoru Shinriki ; Hirofumi JonoSeries Type : Expression profiling by arrayOrganism : Homo sapiensOral squamous cell carcinoma (OSCC) has a very poor prognosis due to its highly invasive nature, and 5-year survival rate has not changed apparently for the past 30 years. Although cylindromatosis (CYLD) is thought as a potent tumor suppressor, its biological and clinical significances in OSCC are largely unknown. The aim of this study was to clarify roles of CYLD in OSCC progression. Our immunohistochemical analyses revealed that CYLD expression was significantly reduced at invasive lesions in OSCC tissues where...
Source: GEO: Gene Expression Omnibus - June 29, 2017 Category: Genetics & Stem Cells Tags: Expression profiling by array Homo sapiens Source Type: research

High expression of CD28 enhanced the anti-cancer effect of siRNA-PD-1 through prompting the immune response of melanoma-bearing mice
Int Immunopharmacol. 2022 Jan 27;105:108572. doi: 10.1016/j.intimp.2022.108572. Online ahead of print.ABSTRACTImmune checkpoint blockade is considered to be an effective method of tumor immunotherapy. As one of the main immune checkpoints, blocking PD-1/PD-L1 pathway has been proved to be effective in the treatment of many cancers via activating T cells; however, many patients still do not respond to the blocking PD-1/PD-L1 treatment with satisfying results. Related research demonstrated that the activation of T cells required a co-stimulatory signal generated by the interaction between CD28 and CD80/CD86, whereas in many ...
Source: International Immunopharmacology - January 30, 2022 Category: Allergy & Immunology Authors: Huijie Jia Jing Guo Zhiang Liu Pengfei Chen Yang Li Ruipeng Li Yunfan Yang Xinyi Li Pengkun Wei Jiateng Zhong Feng Ren Mingyong Wang Jianzhuang Ren Zhiwei Feng Tiesuo Zhao Source Type: research

801 Novel nanoparticles mediate efficient siRNA/mRNA co-delivery to melanoma
Checkpoint immunotherapy has revolutionized treatment for patients with advanced or metastatic melanoma; however, many patients ’ tumors either fail to respond or develop secondary resistance. As a result, there is an urgent need for an off-the-shelf local treatment that can improve therapeutic outcomes by increasing immune activation and reducing immunosuppressive factors. We developed a library of novel lipophilic poly(b eta-amino ester) (PBAE)-based biodegradable nanoparticle (NP) formulations with different backbone, sidechain, and endcap monomers and various lipophilic/linear ratios to efficiently co-deliver mRNA an...
Source: Journal of Investigative Dermatology - April 17, 2023 Category: Dermatology Authors: K.M. Luly, E.E. Rocher, J.J. Green, S.Y. Tzeng, J.C. Sunshine Source Type: research

Role of Increased n-acetylaspartate Levels in Cancer
Conclusion: These findings indicate that the NAA pathway has a prominent role in promoting tumor growth and represents a valuable target for anticancer therapy. Altered energy metabolism is a hallmark of cancer (1). Proliferating cancer cells have much greater metabolic requirements than nonproliferating differentiated cells (2,3). Moreover, altered cancer metabolism elevates unique metabolic intermediates, which can promote cancer survival and progression (4,5). Furthermore, emerging evidence suggests that proliferating cancer cells exploit alternative metabolic pathways to meet their high demand for energy and to accumul...
Source: JNCI - January 26, 2016 Category: Cancer & Oncology Authors: Zand, B., Previs, R. A., Zacharias, N. M., Rupaimoole, R., Mitamura, T., Nagaraja, A. S., Guindani, M., Dalton, H. J., Yang, L., Baddour, J., Achreja, A., Hu, W., Pecot, C. V., Ivan, C., Wu, S. Y., McCullough, C. R., Gharpure, K. M., Shoshan, E., Pradeep, Tags: Article Source Type: research

Inhibition of skin squamous cell carcinoma proliferation and promote apoptosis by dual silencing of NET-1 and survivin.
Authors: Ji ZJ, Wang JL, Chen L Abstract The simultaneous silencing of multiple upregulated genes is an attractive and viable strategy to treat many incurable diseases including cancer. In the present study, skin squamous cell carcinoma (SSCC) tissue microarray was constructed and the expression of NET-1 and survivin was identified. The high expression of NET-1 and survivin gene in SSCC was confirmed as an important event for the formation and development of the cancer. A total of 100 primary SSCC patients were included in the present study. Expression of NET-1 and survivin in cancer cells was evaluated immunohist...
Source: Oncology Reports - June 20, 2015 Category: Cancer & Oncology Tags: Oncol Rep Source Type: research

UCLA and City of Hope scientists use nanoparticles to shut down mechanism that drives cancer growth
When scientists develop cancer therapies, they target the features that make the disease deadly: tumor growth, metastasis, recurrence and drug resistance. In epithelial cancers — cancers of the breast, ovaries, prostate, skin and bladder, which begin in the organs’ lining — these processes are controlled by a genetic program called epithelial–mesenchymal transition. UCLA Jeffrey Zink Epithelial–mesenchymal transition is regulated by a protein called Twist, which means that Twist directly influences the development of cancer, its spread to other organs and its return after remission. In a major step toward devel...
Source: UCLA Newsroom: Health Sciences - July 3, 2015 Category: Universities & Medical Training Source Type: news

Non-canonical Notch Signaling Regulates Actin Remodeling in Cell Migration by Activating PI3K/AKT/Cdc42 Pathway
In conclusion, our research results indicate that DAPT activates PI3K/AKT/Cdc42 signaling by non-canonical Notch pathway, and the activated Cdc42 promotes the filopodia formation and inhibits lamellipodia assembly, resulting in reduced migration of breast cancer cells. The results imply that non-canonical Notch signaling may play a very important role in the rapid response of cells to the extracellular signals. Author Contributions LG, JD, and LL designed the study and wrote and revised the manuscript. LL and LZ performed most of the experiments and data analysis. SZ, X-YZ, P-XM, Y-DM, Y-YW, YC, S-JT, and Y-JZ assisted i...
Source: Frontiers in Pharmacology - April 15, 2019 Category: Drugs & Pharmacology Source Type: research