Advanced Stage Hepatocellular Carcinoma Successfully Treated with Liver-directed Concurrent Chemoradiotherapy and Sequential Transarterial Radio-embolization.

Optimal treatment strategies for patients with advanced hepatocellular carcinoma (HCC) is yet to be determined. Herein, we present a case of advanced HCC with tumor invasion into the right anterior portal vein and right hepatic vein where complete response (CR) was achieved via a multidisciplinary approach. This patient had a 10.

Broad-Spectrum Gene Repression Using Scaffold Engineering of Synthetic sRNAs.

Gene expression regulation in broad-spectrum range is critical for constructing cell factories and genetic circuits to balance and control system-wide fluxes. Synthetic small regulatory RNAs (sRNAs) effectively regulate gene expression at the translational level by modulating an mRNA-binding chance and sRNA abundance; however, it can control target gene expression only within the limit of the intrinsic repression ability of sRNAs. Here, we systematically mutated a SgrS scaffold as a model sRNA by dividing the Hfq-binding module of the sRNA into the three regions: the A/U-rich sequence, the stem, and the hairpin loop, and examined how efficiently the mutants suppressed DsRed2 expression.

Gene Expression Knockdown by Modulating Synthetic Small RNA Expression in Escherichia coli.

Escherichia coli gene expression knockdown using synthetic small RNA (sRNA) can be fine-tuned by altering sRNA sequences to modulate target mRNA-binding ability, but this requires thorough checking for off-target effects. Here, we present an sRNA gene expression knockdown system fine-tuned by using different promoters to modulate synthetic sRNA abundance. Our approach entails selecting knockdown target genes resulting from in silico flux response analysis and those related to product biosynthesis then screening strains transformed with a library of synthetic sRNA-promoter combinations for enhanced production.

Volumetric Changes in the Bony External Auditory Canal in Unilateral Chronic Otitis Media.

Background And Objectives: Pneumatization of air cells in the mastoid bone is decreased in chronic otitis media (COM). A decrease in the size of the external auditory canal (EAC) is also found frequently in patients with COM, but this has been little studied. We compared the size of affected bony EACs and the contralateral side in patients with single-side COM using high-resolution computed tomography.

Fluorescence-based detection of point mutation in DNA sequences by CdS quantum dot aggregation.

We present a novel method for the detection of single base mismatch based on fluorescence quenching that unmodified CdS quantum dots exhibit upon aggregation. Target DNA sequences of interest are breast cancer 2 (BRCA2) and signal-induced proliferation-associated gene 1 (Sipa1) sequences. We monitor aggregation of CdS quantum dots upon addition of double-stranded DNAs at different salt concentration using quasi-elastic light scattering (QELS), transmission electron microscopy (TEM), photoluminescence spectroscopy, and zeta potential measurement.