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DNA lesion

Formation of 8-nitroguanine, a nitrative DNA lesion, in inflammation-related carcinogenesis and its significance

Formation of 8-nitroguanine, a nitrative DNA lesion, in inflammation-related carcinogenesis and its significance

... Infection with the liver fluke OV is a major risk factor of cholangiocarcinoma, especially in the northeastern region of Thailand [34, 35]. A major cause of OV infection and cholangiocarcinoma in this region is the ...

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Defects in DNA Lesion Bypass Lead to Spontaneous Chromosomal Rearrangements and Increased Cell Death

Defects in DNA Lesion Bypass Lead to Spontaneous Chromosomal Rearrangements and Increased Cell Death

... the DNA damage check- point prior to ...that DNA lesions, nor- mally bypassed by the Mph1 pathway, will enter another HR pathway that is potentially lethal if it is not regulated by ...diverts DNA ...

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Oligo swapping method for in vitro DNA repair substrate containing a single DNA lesion at a specific site

Oligo swapping method for in vitro DNA repair substrate containing a single DNA lesion at a specific site

... the DNA lesion on the plasmid ...vitro DNA repair substrate contained uracil, the purified substrate was treated with UDG [20] and then APE1 [21, ...uracil-containing DNA, producing the AP ...

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Mechanisms of mutagenesis by a bulky DNA lesion at the guanine N7 position.

Mechanisms of mutagenesis by a bulky DNA lesion at the guanine N7 position.

... Mechanisms of base substitution mutagenesis by AFBlC12: In the lacI system, several structurally different chemical mutagens induce base substitutions with the same G-to-T[r] ...

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Gamma-hexalactone flavoring causes DNA lesion and modulates cytokines secretion at non-cytotoxic concentrations

Gamma-hexalactone flavoring causes DNA lesion and modulates cytokines secretion at non-cytotoxic concentrations

... the DNA damage observed in our ...promote DNA damage in the form of chromosomal fragmentation, mutations points, and the formation of DNA adducts ...

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Lesion-Induced Mutation in the Hyperthermophilic Archaeon Sulfolobus acidocaldarius and Its Avoidance by the Y-Family DNA Polymerase Dbh

Lesion-Induced Mutation in the Hyperthermophilic Archaeon Sulfolobus acidocaldarius and Its Avoidance by the Y-Family DNA Polymerase Dbh

... archaea, DNA replication and responses to DNA damage occur in the context of a relatively simple prokaryotic cell, yet these processes involve proteins and other molecular features homologous to those of ...

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Translesion synthesis and mutations: On the mutagenic properties of the two DNA lesions, 8-oxo-G and Pt-GG, and the functions of Y-family DNA polymerases and Rev3L on the bypass of each of the DNA lesions in mammalian cells

Translesion synthesis and mutations: On the mutagenic properties of the two DNA lesions, 8-oxo-G and Pt-GG, and the functions of Y-family DNA polymerases and Rev3L on the bypass of each of the DNA lesions in mammalian cells

... the DNA lesions. Pt-GG is less prone to base mis- insertions because DNA polymerases allow some flexibility in DNA backbone and are able to traverse the slight bent introduced by the intrastrand ...

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Chromosomal Lesion Suppression and Removal in Escherichia coli via Linear DNA Degradation

Chromosomal Lesion Suppression and Removal in Escherichia coli via Linear DNA Degradation

... WO-STRAND DNA lesions affect both strands of proteins assist RecA in repairing single-strand gaps, a DNA duplex opposite each ...one-strand DNA lesions, two-strand DNA double-strand ends ...

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Structural insights into DNA replication and lesion bypass by Y family DNA polymerases

Structural insights into DNA replication and lesion bypass by Y family DNA polymerases

... the lesion has been bypassed by Y family polymerases, the replicative polymerase resumes its position on the DNA strand to proceed with duplication (Figure ...the DNA lesion still remains ...

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Transcription coupled repair and biased insertion of human retrotransposon L1 in transcribed genes

Transcription coupled repair and biased insertion of human retrotransposon L1 in transcribed genes

... a DNA repair path- way that excises helix distorting ...bulky DNA lesion is located on the coding strand of the gene or in an untranscribed genomic region, they do not interfere with the ...

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Perfusion CT in Acute Ischemic Stroke: A Qualitative and Quantitative Comparison of Deconvolution and Maximum Slope Approach

Perfusion CT in Acute Ischemic Stroke: A Qualitative and Quantitative Comparison of Deconvolution and Maximum Slope Approach

... cause the no-venous-outflow assumption of the MS model is violated earlier for nonischemic tissue with shorter transit times than for ischemic tissue. Our quantitative results and visual findings on color maps indicate ...

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Molecular Phylogeny of Sporothrix schenckii

Molecular Phylogeny of Sporothrix schenckii

... sequencing. DNA was extracted and pu- rified directly from fungal colonies by following the Fast DNA kit protocol (Bio 101, ...min. DNA was quantified with GeneQuant pro (Amersham Pharmacia Biotech, ...

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Investigating a cluster of vulvar cancer in young women: a cross sectional study of genital human papillomavirus prevalence

Investigating a cluster of vulvar cancer in young women: a cross sectional study of genital human papillomavirus prevalence

... index; DNA: Deoxyribonucleic acid; HGSIL: High – grade squamous intraepithelial lesion; HIV: Human immunodeficiency virus; HPV: Human papillomavirus; HR: High-risk; HR-HPV: High-risk human papillomavirus; ...

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Molecular Diagnosis of Leishmaniasis: Current Status and Future Applications

Molecular Diagnosis of Leishmaniasis: Current Status and Future Applications

... Clearly, the applicability of PCR in the six approaches out- lined above depends on the existence of adequate genetic markers. For detection, quantification, and viability studies, in which sensitivity must be maximized, ...

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Development and Application of Real Time PCR Assay for Quantification of Mycobacterium ulcerans DNA

Development and Application of Real Time PCR Assay for Quantification of Mycobacterium ulcerans DNA

... of DNA quantified in sputum corresponded well with the num- bers of AFB counted by microscopy ...tuberculosis DNA, and cultivable bacilli were comparable, suggesting that quantification of DNA is a ...

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Diagnostic imaging of tendinopathies of the superficial flexor tendon in horses

Diagnostic imaging of tendinopathies of the superficial flexor tendon in horses

... Due to hematoma formation and presence of immature granulation tissue the lesion will become hypoechoic on ultrasound after a few days. Additionally, repeated bleeding and inflammation can lead to an increase in ...

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Identification of Novel HelicobacterSpecies in Pig Stomachs  by PCR and Partial Sequencing

Identification of Novel HelicobacterSpecies in Pig Stomachs by PCR and Partial Sequencing

... Stomach sample collection. Over 400 pig stomachs were examined grossly for gastric ulcer lesions during four different visits to a slaughterhouse in Minnesota. The stomachs were graded according to the severity of the ...

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Dynamic and conventional spin echo MR of pituitary microlesions

Dynamic and conventional spin echo MR of pituitary microlesions

... a lesion was or was not ...conspicuity, lesion homogeneity, and discrimination of lesion ...grading lesion visibility. Sequences were graded as to whether the lesion was better seen, ...

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Aneurysmal bone cyst in central ossifying fibroma:  “lesion in a lesion”, mandible

Aneurysmal bone cyst in central ossifying fibroma: “lesion in a lesion”, mandible

... Provisionally, lesion was diagnosed as a traumatic bone cyst and clinicoradiograhic differential diagnosis included ameloblastoma, central giant cell granuloma or aneurysmal bone ...The lesion was ...

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Cellular transformation by adenovirus type 5 is influenced by the viral DNA polymerase.

Cellular transformation by adenovirus type 5 is influenced by the viral DNA polymerase.

... We have shown that the E2B mutant ts36 15, 35, 36, 41 carries a single mutation specific to the viral DNA polymerase gene and that this lesion is responsible for both a defect in viral D[r] ...

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