User profiles for D. Gaykalova

Daria Gaykalova

Associate Professor of Otorhinolaryngology - Head and Neck Surgery, University of …
Verified email at som.umaryland.edu
Cited by 2880

Epigenetic regulation of gene expression in cancer: techniques, resources and analysis

…, AV Favorov, J Qian, DA Gaykalova… - Briefings in …, 2018 - academic.oup.com
Cancer is a complex disease, driven by aberrant activity in numerous signaling pathways in
even individual malignant cells. Epigenetic changes are critical mediators of these functional …

[HTML][HTML] Molecular mechanisms of human papillomavirus-related carcinogenesis in head and neck cancer

F Faraji, M Zaidi, C Fakhry, DA Gaykalova - Microbes and infection, 2017 - Elsevier
This review examines the general cellular and molecular underpinnings of human
papillomavirus (HPV)-related carcinogenesis in the context of head and neck squamous cell …

Transcription through chromatin by RNA polymerase II: histone displacement and exchange

OI Kulaeva, DA Gaykalova, VM Studitsky - Mutation Research/Fundamental …, 2007 - Elsevier
The process of transcript elongation by RNA polymerase II (Pol II) involves transcription-dependent
exchange and displacement of all core histones and is tightly controlled by …

[HTML][HTML] Nucleosomes can form a polar barrier to transcript elongation by RNA polymerase II

VA Bondarenko, LM Steele, A Újvári, DA Gaykalova… - Molecular cell, 2006 - cell.com
Nucleosomes uniquely positioned on high-affinity DNA sequences present a polar barrier to
transcription by human and yeast RNA polymerase II (Pol II). In one transcriptional …

Activation of the NOTCH Pathway in Head and Neck Cancer

…, DA Gaykalova, MF Ochs, E Mambo, D Arnaoutakis… - Cancer research, 2014 - AACR
NOTCH1 mutations have been reported to occur in 10% to 15% of head and neck squamous
cell carcinomas (HNSCC). To determine the significance of these mutations, we embarked …

Mechanism of chromatin remodeling and recovery during passage of RNA polymerase II

OI Kulaeva, DA Gaykalova, NA Pestov… - Nature structural & …, 2009 - nature.com
… In summary, the P- and D-dimers have different roles within the same nucleosome. As
expected, removal of the P-dimer results in a strong Pol II arrest in the +45 region, most likely …

Using DNA mechanics to predict in vitro nucleosome positions and formation energies

AV Morozov, K Fortney, DA Gaykalova… - Nucleic acids …, 2009 - academic.oup.com
In eukaryotic genomes, nucleosomes function to compact DNA and to regulate access to it
both by simple physical occlusion and by providing the substrate for numerous covalent …

[HTML][HTML] HPV E2, E4, E5 drive alternative carcinogenic pathways in HPV positive cancers

S Ren, DA Gaykalova, T Guo, AV Favorov, EJ Fertig… - Oncogene, 2020 - nature.com
The dominant paradigm for HPV carcinogenesis includes integration into the host genome
followed by expression of E6 and E7 (E6/E7). We explored an alternative carcinogenic …

[HTML][HTML] Novel insight into mutational landscape of head and neck squamous cell carcinoma

DA Gaykalova, E Mambo, A Choudhary, J Houghton… - PloS one, 2014 - journals.plos.org
Development of head and neck squamous cell carcinoma (HNSCC) is characterized by
accumulation of mutations in several oncogenes and tumor suppressor genes. We have formerly …

[HTML][HTML] Chromatin dysregulation and DNA methylation at transcription start sites associated with transcriptional repression in cancers

…, C Liu, S Haft, J Pang, A Mark, DA Gaykalova… - Nature …, 2019 - nature.com
d Significance of DNA methylation increase in tumor. The red line represents the observed
AUC ratio (tumor/normal) at TSS ± 500 bp region. Gray bars represent the null distribution as …