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11 Results Found

  • Article
  • Open Access
7 Citations
4,282 Views
24 Pages

Recombination and Pol ζ Rescue Defective DNA Replication upon Impaired CMG Helicase—Pol ε Interaction

  • Milena Denkiewicz-Kruk,
  • Malgorzata Jedrychowska,
  • Shizuko Endo,
  • Hiroyuki Araki,
  • Piotr Jonczyk,
  • Michal Dmowski and
  • Iwona J. Fijalkowska

13 December 2020

The CMG complex (Cdc45, Mcm2–7, GINS (Psf1, 2, 3, and Sld5)) is crucial for both DNA replication initiation and fork progression. The CMG helicase interaction with the leading strand DNA polymerase epsilon (Pol ε) is essential for the p...

  • Review
  • Open Access
3 Citations
3,719 Views
20 Pages

Short tandem repeats (STRs) are units of 1–6 base pairs that occur in tandem repetition to form a repeat tract. STRs exhibit repeat instability, which generates expansions or contractions of the repeat tract. Over 50 diseases, primarily affecti...

  • Article
  • Open Access
5 Citations
3,024 Views
12 Pages

Characterisation of Non-Pathogenic Premutation-Range Myotonic Dystrophy Type 2 Alleles

  • Jan Radvanszky,
  • Michaela Hyblova,
  • Eva Radvanska,
  • Peter Spalek,
  • Alica Valachova,
  • Gabriela Magyarova,
  • Csaba Bognar,
  • Emil Polak,
  • Tomas Szemes and
  • Ludevit Kadasi

31 August 2021

Myotonic dystrophy type 2 (DM2) is caused by expansion of a (CCTG)n repeat in the cellular retroviral nucleic acid-binding protein (CNBP) gene. The sequence of the repeat is most commonly interrupted and is stably inherited in the general population....

  • Article
  • Open Access
3 Citations
2,620 Views
14 Pages

Genomic Instability of G-Quadruplex Sequences in Escherichia coli: Roles of DinG, RecG, and RecQ Helicases

  • Virali J. Parekh,
  • Grzegorz Węgrzyn,
  • Véronique Arluison and
  • Richard R. Sinden

29 August 2023

Guanine-rich DNA can fold into highly stable four-stranded DNA structures called G-quadruplexes (G4). Originally identified in sequences from telomeres and oncogene promoters, they can alter DNA metabolism. Indeed, G4-forming sequences represent obst...

  • Perspective
  • Open Access
18 Citations
5,567 Views
15 Pages

Repeat Instability in the Fragile X-Related Disorders: Lessons from a Mouse Model

  • Xiaonan Zhao,
  • Inbal Gazy,
  • Bruce Hayward,
  • Elizabeth Pintado,
  • Ye Hyun Hwang,
  • Flora Tassone and
  • Karen Usdin

The fragile X-related disorders (FXDs) are a group of clinical conditions that result primarily from an unusual mutation, the expansion of a CGG-repeat tract in exon 1 of the FMR1 gene. Mouse models are proving useful for understanding many aspects o...

  • Article
  • Open Access
543 Views
22 Pages

Fifteen Years of Myotonic Dystrophy Type 1 in Mexico: Clinical, Molecular, and Socioeconomic Insights from a National Reference Cohort

  • César M. Cerecedo-Zapata,
  • Araceli Guerra-Grajeda,
  • Luz C. Márquez-Quiróz,
  • Paola Arciga-Portela,
  • Rosa E. Escobar-Cedillo,
  • Guadalupe E. Jiménez-Gutiérrez,
  • Óscar A. Pérez-Méndez,
  • Jorge S. Velasco-Flores,
  • Blanca A. Barredo-Prieto and
  • Jonathan J. Magaña
  • + 3 authors

17 December 2025

Background/Objectives: Myotonic dystrophy type 1 (DM1) is a rare, multisystemic disorder caused by an expanded (CTG)n repeat in the DMPK gene. Although DM1 has been studied in several populations, access to molecular diagnosis and comprehensive care...

  • Review
  • Open Access
9 Citations
5,963 Views
14 Pages

17 October 2021

The Fragile X-related disorders (FXDs), which include the intellectual disability fragile X syndrome (FXS), are disorders caused by expansion of a CGG-repeat tract in the 5′ UTR of the X-linked FMR1 gene. These disorders are named for FRAXA, the fola...

  • Article
  • Open Access
1 Citations
3,878 Views
11 Pages

Development of Real-Time Kinematic Magnetic Resonance Imaging (kMRI) Techniques for Studying the Kinematics of the Spine and Joints in Dogs—Preliminary Study on Cadavers

  • Sara Canal,
  • Roberto Tamburro,
  • Ilaria Falerno,
  • Francesca Del Signore,
  • Francesco Simeoni,
  • Francesco De Pasquale,
  • Andrea De Bonis,
  • Annamaria Maraone,
  • Andrea Paolini and
  • Massimo Vignoli
  • + 2 authors

15 October 2022

Kinematic MRI (kMRI) is a novel human imaging technique that couples the excellent soft tissue contrast and multiplanar capabilities of traditional MRI with kinematic potential. The study’s goals are: (1) testing the feasibility of spinal cord...

  • Article
  • Open Access
3 Citations
4,124 Views
14 Pages

Current Overview of Spinocerebellar Ataxia Type 7 in Mexican Population: Challenges in Specialized Care for a Rare Disease

  • César M. Cerecedo-Zapata,
  • Yessica S. Tapia-Guerrero,
  • José A. Ramírez-González,
  • Aranza Meza-Dorantes,
  • Karla N. Tercero-Pérez,
  • Hernán Cortés,
  • Araceli Guerra-Grajeda,
  • Ilse H. Ortega-Ibarra,
  • Gabriela Gatica-Ramos and
  • Jonathan J. Magaña
  • + 4 authors

6 October 2024

Spinocerebellar ataxia type 7 (SCA7) is a rare genetic disease characterized by progressive cerebellar syndrome and macular degeneration. In a previous study, we clinically and genetically characterized a group of Mexican patients, which represented...

  • Article
  • Open Access
10 Citations
7,970 Views
17 Pages

Identification of Cellular Factors Required for SARS-CoV-2 Replication

  • Aleksandra Synowiec,
  • Malwina Jedrysik,
  • Wojciech Branicki,
  • Adrianna Klajmon,
  • Jing Lei,
  • Katarzyna Owczarek,
  • Chen Suo,
  • Artur Szczepanski,
  • Jingru Wang and
  • Krzysztof Pyrc
  • + 2 authors

13 November 2021

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the recently emerged virus responsible for the COVID-19 pandemic. Clinical presentation can range from asymptomatic disease and mild respiratory tract infection to severe disease with lu...

  • Article
  • Open Access
1 Citations
1,177 Views
18 Pages

The In Vitro Toxicity Profile of Nanoencapsulated Curcumin in a Chitosan–Alginate Gel Carrier Using Rabbit Lymphocytes: Preliminary Research

  • Marta Kuchta-Gładysz,
  • Joanna Wojciechowska-Puchałka,
  • Anna Grzesiakowska-Dul,
  • Michał Kmiecik,
  • Karen Khachatryan and
  • Gohar Khachatryan

3 September 2025

Curcumin is a natural bioactive compound of plant origin, characterised by a wide variety of properties that make it useful in numerous industries. Furthermore, due to its health-promoting properties, such as anti-inflammatory, antioxidant, and antim...