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Development of nanoscale approaches for ovarian cancer therapeutics and diagnostics.

ABSTRACT: Ovarian cancer is the deadliest of all gynecological cancers and the fifth leading cause of death due to cancer in women. This is largely due to late-stage diagnosis, poor prognosis related to advanced-stage disease, and the high recurrence rate associated with development of chemoresistance. Survival statistics have not improved significantly over the last three decades, highlighting the fact that improved therapeutic strategies and early detection require substantial improvements. Here, we review and highlight nanotechnology-based approaches that seek to address this need. The success of Doxil, a PEGylated liposomal nanoencapsulation of doxorubicin, which was approved by the FDA for use on recurrent ovarian cancer, has paved the way for the current wave of nanoparticle formulations in drug discovery and clinical trials. We discuss and summarize new nanoformulations that are currently moving into clinical trials and highlight novel nanotherapeutic strategies that have shown promising results in preclinical in vivo studies. Further, the potential for nanomaterials in diagnostic imaging techniques and the ability to leverage nanotechnology for early detection of ovarian cancer are also discussed.

SUBMITTER: Engelberth SA

PROVIDER: S-EPMC4183979 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Development of nanoscale approaches for ovarian cancer therapeutics and diagnostics.

Engelberth Sarah A SA Hempel Nadine N Bergkvist Magnus M

Critical reviews in oncogenesis 20140101 3-4

Ovarian cancer is the deadliest of all gynecological cancers and the fifth leading cause of death due to cancer in women. This is largely due to late-stage diagnosis, poor prognosis related to advanced-stage disease, and the high recurrence rate associated with development of chemoresistance. Survival statistics have not improved significantly over the last three decades, highlighting the fact that improved therapeutic strategies and early detection require substantial improvements. Here, we rev ...[more]

PMID: 25271436

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Project description:The novel coronavirus pneumonia (COVID-19) is a highly infectious acute respiratory disease caused by Severe Acute Respiratory Syndrome-Related Coronavirus (SARS-CoV-2) (Prec Clin Med 2020;3:9–13, Lancet 2020;395:497–506, N. Engl J Med 2020a;382:1199–207, Nature 2020;579:270–3). SARS-CoV-2 surveillance is essential to controlling widespread transmission. However, there are several challenges associated with the diagnostic of the COVID-19 during the current outbreak (Liu and Li (2019), Nature 2020;579:265–9, N. Engl J Med 2020;382:727–33). Firstly, the high number of cases overwhelms diagnostic test capacity and proposes the need for a rapid solution for sample processing (Science 2018;360:444–8). Secondly, SARS-CoV-2 is closely related to other important coronavirus species and subspecies, so detection assays can give false-positive results if they are not efficiently specific to SARS-CoV-2. Thirdly, patients with suspected SARS-CoV-2 infection sometimes have a different respiratory viral infection or co-infections with SARS-CoV-2 and other respiratory viruses (MedRxiv 2020a;1–18). Confirmation of the COVID-19 is performed mainly by virus isolation followed by RT-PCR and sequencing (N. Engl J Med 2020;382:727–33, MedRxiv 2020a, Turkish J Biol 2020;44:192–202). The emergence and outbreak of the novel coronavirus highlighted the urgent need for new therapeutic technologies that are fast, precise, stable, easy to manufacture, and target-specific for surveillance and treatment. Molecular biology tools that include gene-editing approaches such as CRISPR-Cas12/13-based SHERLOCK, DETECTR, CARVER and PAC-MAN, antisense oligonucleotides, antisense peptide nucleic acids, ribozymes, aptamers, and RNAi silencing approaches produced with cutting-edge scientific advances compared to conventional diagnostic or treatment methods could be vital in COVID-19 and other future outbreaks. Thus, in this review, we will discuss potent the molecular biology approaches that can revolutionize diagnostic of viral infections and therapies to fight COVID-19 in a highly specific, stable, and efficient way. Highlights SARS-CoV-2 is an RNA virus that could be targeted and diagnosed with novel CRISPR approaches. ASO therapy targeting transcript encoding a viral protein or genomic RNA itself could be developed as a response to the SARS-CoV-2 pandemic. Antisense peptide nucleic acids, which have significant potential as antiviral agents, are important therapeutic candidates that can target SARS-CoV-2 RNA with high hybridization affinity and stability. Although ribozyme and aptamer technologies are relatively older than other gene-editing technologies, they are still strong candidates in the fight against the COVID-19 pandemic due to their high specificities and low toxicities, besides that aptamers are highly reproducible. siRNAs that target structural or non-structural proteins of SARS-CoV-2, could inhibit assembly and replication of SARS-CoV-2.

Dataset Information

Development of nanoscale approaches for ovarian cancer therapeutics and diagnostics.

Publications

Development of nanoscale approaches for ovarian cancer therapeutics and diagnostics.

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