Multiplex Droplet Digital PCR Assay for Detection of and Genes Amplification in Non-Small Cell Lung Cancer.

Non-small-cell lung cancer (NSCLC), a subtype of lung cancer, remains one of the most common tumors with a high mortality and morbidity rate. Numerous targeted drugs were implemented or are now developed for the treatment of NSCLC. Two genes, and , are among targets for these specific therapeutic agents.

The attachment of a DNA-binding Sso7d-like protein improves processivity and resistance to inhibitors of M-MuLV reverse transcriptase.

Reverse transcriptases (RTs) are a standard tool in both fundamental studies and diagnostics. RTs should possess elevated temperature optimum, high thermal stability, processivity and tolerance to contaminants. Here, we constructed a set of chimeric RTs, based on the combination of the Moloney murine leukaemia virus (M-MuLV) RT and either of two DNA-binding domains: the DNA-binding domain of the DNA ligase from Pyrococcus abyssi or the DNA-binding Sto7d protein from Sulfolobus tokodaii.

Spectrum of Mutations in BRCA1/2 Associated High-Grade Serous Ovarian Cancer.

Mutations in TP53 lead to loss of function (LOF) or gain of function (GOF) of the corresponding protein p53 and produce a different effect on the tumor. Our goal was to determine the spectrum of somatic variants in associated high-grade serous ovarian cancer (HGSOC). The population under study comprised of HGSOCs with pathogenic variants in ( = 78) or ( = 21).

Derivatives of Bst-like Gss-polymerase with improved processivity and inhibitor tolerance.

At the moment, one of the actual trends in medical diagnostics is a development of methods for practical applications such as point-of-care testing, POCT or research tools, for example, whole genome amplification, WGA. All the techniques are based on using of specific DNA polymerases having strand displacement activity, high synthetic processivity, fidelity and, most significantly, tolerance to contaminants, appearing from analysed biological samples or collected under purification procedures. Here, we have designed a set of fusion enzymes based on catalytic domain of DNA polymerase I from Geobacillus sp.

Comparison of fluorescent intercalating dyes for quantitative loop-mediated isothermal amplification (qLAMP).

Real-time or quantitative loop-mediated isothermal amplification (qLAMP) is a promising technique for the accurate detection of pathogens in organisms and the environment. Here we present a comparative study of the performance of six fluorescent intercalating dyes-SYTO-9, SYTO-13, SYTO-82, SYBR Green I, SYBR Gold, EvaGreen-in three different qLAMP model systems. SYTO-9 and SYTO-82, which had the best results, were used for additional enzyme and template titration studies.

Large Fragment of DNA Polymerase I from Geobacillus sp. 777: Cloning and Comparison with DNA Polymerases I in Practical Applications.

A truncated gene of DNA polymerase I from the thermophilic bacteria Geobacillus sp. 777 encoding a large fragment of enzyme (LF Gss pol) was cloned and sequenced. The resulting sequence is 1776-bp long and encodes a 592 aa protein with a predicted molecular mass of 69.

A replication study examining association of rs6983267, rs10090154, and rs1447295 common single nucleotide polymorphisms in 8q24 region with prostate cancer in Siberians.

Introduction: Multiple genetic studies have confirmed association of 8q24 variants with susceptibility to prostate cancer (CaP). However, the risk conferred in men living in Russia is unknown.

Materials And Methods: In this work we studied the association of rs6983267, rs10090154, and rs1447295 single nucleotide polymorphisms (SNPs) with a risk of CaP development in men of Caucasoid descent living in the Siberian region of Russia.

Downregulation of serotonergic gene expression in the Raphe nuclei of the midbrain under chronic social defeat stress in male mice.

There is ample experimental evidence supporting the hypothesis that the brain serotonergic system is involved in the control of chronic social defeat stress (CSDS), depression, and anxiety. The study aimed to analyze mRNA levels of the serotonergic genes in the raphe nuclei of midbrain that may be associated with chronic social defeats consistently shown by male mice in special experimental settings. The serotonergic genes were the Tph2, Sert, Maoa, and Htr1a.

Reprogramming somatic cells by fusion with embryonic stem cells does not cause silencing of the Dlk1-Dio3 region in mice.

Aim: To examine the imprinted Dlk1-Dio3 locus in pluripotent embryonic stem (ES) cell/fibroblast hybrid cells.

Methods: Gtl2, Rian, and Mirg mRNA expression in mouse pluripotent ES cell/fibroblast hybrid cells was examined by real-time reverse transcription-polymerase chain reaction. Pyrosequencing and bisulfate sequencing were used to determine the DNA methylation level of the Dlk1-Dio3 locus imprinting control region.

Snca and Bdnf gene expression in the VTA and raphe nuclei of midbrain in chronically victorious and defeated male mice.

Background: Alpha-synuclein (α-Syn) is a small neuronal protein that has been found to be expressed throughout the brain. It has been shown that α-Syn regulates the homeostasis of monoamine neurotransmitters and is involved in various degenerative and affective disorders. There is indication that α-Syn may regulate expression of the brain-derived neurotropic factor (BDNF) which plays an important role in the mood disorders.

Molecular implications of repeated aggression: Th, Dat1, Snca and Bdnf gene expression in the VTA of victorious male mice.

Background: It is generally recognized that recurrent aggression can be the result of various psychiatric disorders. The aim of our study was to analyze the mRNA levels, in the ventral tegmental area (VTA) of the midbrain, of the genes that may possibly be associated with aggression consistently shown by male mice in special experimental settings.

Methodology/principal Findings: The genes were Th, Dat1, Snca and Bdnf; the male mice were a group of animals that had each won 20 daily encounters in succession and a group of animals that had the same winning track record followed by a no-fight period for 14 days.