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DNA, Volume 4, Issue 3

2024 September - 11 articles

Cover Story: Oxidative stress from ionizing radiation (IR) and subsequent senescent inflammatory responses leads to genomic instability and chronic health issues. High-linear energy transfer (LET) IR, found in deep space, causes more DNA damage than low-LET IR, even at sublethal doses. This poses risks to astronauts' health. A biomarker like 8-oxo-7,8-dihydro-2′-deoxyguanosine (8-OxodG) is promising for detecting chronic oxidative stress from IR. 8-OxodG levels vary between low- and high-LET IR exposure. This review examines 8-OxodG's role as a potential biomarker for high-LET radiation-induced stress, its formation, repair, detection, and health implications. Understanding how high-LET IR affects oxidative stress and 8-OxodG could help develop monitoring systems to protect astronauts' health during space missions. View this paper
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Articles (11)

  • Article
  • Open Access
2,320 Views
9 Pages

MAOA uVNTR Polymorphism in a Sample of Patients Diagnosed with Papillary Thyroid Cancer

  • Ligia Canongia de Abreu Cardoso Duarte,
  • Caroline Ferreira Fratteli,
  • Calliandra Maria de Sousa Silva,
  • Alexandre Sampaio Rodrigues Pereira,
  • Jamila Reis de Oliveira,
  • Rafael Martins de Morais,
  • Diêgo Madureira de Oliveira and
  • Izabel Cristina Rodrigues da Silva

19 September 2024

Thyroid gland carcinoma (TGC), though only 1% of all carcinomas, is the most common endocrine neoplasm with an increasing incidence since the 1990s. Of the TGC types, papillary thyroid carcinoma (PTC) is the most common and has the best overall progn...

  • Article
  • Open Access
2,291 Views
10 Pages

18 September 2024

Diffuse large B cell lymphoma, not otherwise specified (DLBCL, NOS) is the most common type of non-Hodgkin lymphoma (NHL). Significant efforts have been focused on utilizing advanced genomic technologies to further subclassify DLBCL, NOS into clinica...

  • Review
  • Open Access
16 Citations
8,869 Views
18 Pages

11 September 2024

DNA-based biosensors have emerged as cutting-edge tools with significant potential to revolutionize medical diagnostics and environmental monitoring. These biosensors leverage the specificity and sensitivity of DNA interactions to detect a wide range...

  • Article
  • Open Access
3 Citations
5,745 Views
15 Pages

Nested-PCR vs. RT-qPCR: A Sensitivity Comparison in the Detection of Genetic Alterations in Patients with Acute Leukemias

  • Flávia Melo Cunha de Pinho Pessoa,
  • Marcelo Braga de Oliveira,
  • Igor Valentim Barreto,
  • Anna Karolyna da Costa Machado,
  • Deivide Sousa de Oliveira,
  • Rodrigo Monteiro Ribeiro,
  • Jaira Costa Medeiros,
  • Aurélia da Rocha Maciel,
  • Fabiana Aguiar Carneiro Silva and
  • Caroline Aquino Moreira-Nunes
  • + 9 authors

6 September 2024

The detection of genetic alterations in patients with acute leukemias is essential for the targeting of more specific and effective therapies. Therefore, the aim of this study was to compare the sensitivity of Nested-PCR and RT-qPCR techniques in the...

  • Article
  • Open Access
1,692 Views
9 Pages

Association of a Promoter DNA Methyltransferase 3 Gene Variant with DNA Methylation and Anthropometrics in Children from 4 to 12 Years Old

  • Janaína Kehl de Castilhos,
  • Paula Dal Bó Campagnolo,
  • Silvana Almeida,
  • Márcia Regina Vitolo and
  • Vanessa Suñé Mattevi

28 August 2024

The global prevalence of obesity among adults, adolescents, and children has increased to alarming levels, making this disease a serious public health problem. The etiology of obesity is complex and multifactorial. Currently, epigenetic alterations a...

  • Review
  • Open Access
2 Citations
3,827 Views
24 Pages

9 August 2024

The three 31 nucleotide minihelix tRNA evolution theorem describes the evolution of type I and type II tRNAs to the last nucleotide. In databases, type I and type II tRNA V loops (V for variable) were improperly aligned, but alignment based on the th...

  • Article
  • Open Access
2,444 Views
13 Pages

Genome Assembly and Annotation of Vietnamese Rice Lines with Diverse Life-Cycle Durations

  • Sara Franco Ortega,
  • Luu Thi Thuy,
  • Nguyen Trong Khanh,
  • Le Thu Hang,
  • Tran Thi Yen,
  • Le Thi Ngoan,
  • Le Thi Thanh,
  • Pham Thien Thanh,
  • Xinhao Ouyang and
  • Seth Jon Davis
  • + 8 authors

1 August 2024

This study begins by examining phenotypic variations in field growth among four parental Vietnamese rice lines, consisting of two Indica (PD211/GL37) and two Japonica (J23/SRA2-1) cultivars, which differ in life-cycle durations. Their phenotypic obse...

  • Review
  • Open Access
11 Citations
7,286 Views
18 Pages

1 August 2024

Oxidative stress-mediated biomolecular damage is a characteristic feature of ionizing radiation (IR) injury, leading to genomic instability and chronic health implications. Specifically, a dose- and linear energy transfer (LET)-dependent persistent i...

  • Technical Note
  • Open Access
1 Citations
2,097 Views
9 Pages

Comparative Analysis of Five Forensic PCR Kits in Duplets

  • Tamás Cseppentő,
  • Norbert G. Valis,
  • Gusztáv Bárány,
  • Bálint Megadja,
  • Attila Heinrich and
  • Nóra M. Magonyi

11 July 2024

In forensic DNA laboratories, it is important to conduct internal validations of the commercially available kits of short tandem repeat (STR) loci and to investigate their individual and combined effectiveness. This study aims to report on a comparat...

  • Article
  • Open Access
3 Citations
3,849 Views
11 Pages

4 July 2024

Mammalian cell lines devoid of mitochondrial DNA (mtDNA) are indispensable in studies aimed at elucidating the contribution of mtDNA to various cellular processes or interactions between nuclear and mitochondrial genomes. However, the repertoire of t...

  • Article
  • Open Access
3 Citations
3,470 Views
12 Pages

Assessment of Mathematical Approaches for the Estimation and Comparison of Efficiency in qPCR Assays for a Prokaryotic Model

  • Jose Arturo Molina-Mora,
  • Meriyeins Sibaja-Amador,
  • Luis Rivera-Montero,
  • Daniel Chacón-Arguedas,
  • Caterina Guzmán and
  • Fernando García

21 June 2024

Quantitative PCR is a molecular technique for DNA quantification that depends on reaction efficiency and the Ct value (“cycle threshold”). However, the results are dependent on laboratory conditions and mathematical approaches. Thus, the...

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DNA - ISSN 2673-8856