BONE cancer is a rare type of cancer – it affects just over 500 people every year.

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Over the last two or three decades, the pace of development of treatments for osteosarcoma tends has been slow. Novel effective therapies for osteosarcoma are still lacking. Previously, we reported that tumor-…

Source: Journal of Experimental and Clinical Cancer ResearchCategory: Cancer & Oncology Authors: Tags: Research Source Type: research

Authors: Xiao B, Huang Z, Zhou R, Zhang J, Yu B
BACKGROUND The long non-coding RNA (lncRNA) small nucleolar RNA host gene 1 (SNHG1) is expressed in solid malignant tumors. The aim of this systematic review and meta-analysis was to determine whether expression of the lncRNA SNHG1 was associated with prognosis in patients with malignancy. MATERIAL AND METHODS A literature review from Jan 1970 to July 2018 identified publications in the English language. Databases searched included: PubMed, OVID, Web of Science, the Cochrane Database, Embase, EBSCO, Google Scholar. Systematic review and meta-analysis were per…

ma G. Nikalje

The work reports the facile synthesis of novel α-aminophosphonate derivatives coupled with indole-2,3-dione moieties, namely the diethyl(substituted phenyl/heteroaryl)(2-(2-oxoindolin-3-ylidene)hydrazinyl)methylphosphonates derivatives 4(a–n). One-pot three component Kabachnik-Fields reactions were used to synthesize these derivatives. The reaction was carried out at room temperature by stirring in presence of ceric ammonium nitrate (CAN) as a green catalyst. The structures of the synthesized compounds were established by spectral studies. The synthesized derivatives 4(a–n) w…

Source: MoleculesCategory: Chemistry Authors: Tags: Article Source Type: research

DiscussionThis was partly due to the fact that MSCs showed a potential to support tumor development. Moreover, the expression of mbTRAIL did not show caspase activation in adjacent tumor cells.

Source: CytotherapyCategory: Cytology Source Type: research

This study provides insight into the molecular mechanism of miR-323a-3p in regulating OS.

Source: Human CellCategory: Cytology Source Type: research

Ewing sarcoma is a pediatric cancer driven by EWS-ETS transcription factor fusion oncoproteins in an otherwise stable genomic background. The majority of tumors express wild-type TP53, and thus, therapies targeting the p53 pathway would benefit most patients. To discover targets specific for TP53 wild-type Ewing sarcoma, we used a genome-scale CRISPR-Cas9 screening approach and identified and validated MDM2, MDM4, USP7, and PPM1D as druggable dependencies. The stapled peptide inhibitor of MDM2 and MDM4, ATSP-7041, showed anti-tumor efficacy in vitro and in multiple mouse models. The USP7 inhibitor, P5091, and the Wip1/PPM1…

Source: The Journal of Experimental MedicineCategory: Internal Medicine Authors: Tags: Solid Tumors Articles Source Type: research

Blocking aerobic glycolysis has been proposed as an attractive therapeutic strategy for impairing the proliferation of cancer cells. However, the underlying mechanisms are poorly understood. Here, we show that miR-15b-5p was downregulated in osteosarcoma (OS) and that lower expression of miR-15b-5p promoted proliferation and contributed to the Warburg effect in OS cells. Mechanistically, miR-15b-5p acted as a tumor suppressor in OS by directly targeting pyruvate dehydrogenase kinase-4 and inhibiting its expression. These results reveal a previously unknown function of miR-15b-5p in OS, which is associated…

Source: Biochemical and Biophysical Research communicationsCategory: Biochemistry Authors: Tags: Biochem Biophys Res Commun Source Type: research

MicroRNA‑106a regulates the proliferation and invasion of human osteosarcoma cells by targeting VNN2.
Oncol Rep. 2018 Jul 26;:
Authors: Chen Y, Huang T, Yang X, Liu C, Li P, Wang Z, Zhi S
MicroRNAs (miRs) serve an essential role in tumorigenesis and are able to act as tumor suppressor genes or oncogenes. miR‑106a has been identified generally as an oncogene in multiple types of human cancer; however, its association with osteosarcoma has not previously been understood. Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) was used to detect miR‑106a expression in 18 …

Source: Oncology ReportsCategory: Cancer & Oncology Tags: Oncol Rep Source Type: research

ConclusionsSNHG1 represents promising novel biomarkers for various cancer types and have a great potential to be effectively used in clinical practice in the near future.

(Massachusetts General Hospital) A Massachusetts General Hospital research team has used epigenome editing tools to investigate how the genetic abnormality that drives Ewing sarcoma — the second most common bone cancer in children and young adults — unleashes tumor growth.

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