Ronald L. Chandler
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View article: Generation and characterization of a mouse model of conditional <i>Chd4</i> knockout in the endometrial epithelium
Generation and characterization of a mouse model of conditional <i>Chd4</i> knockout in the endometrial epithelium Open
Chromatin remodeling plays an integral part in endometrial homeostasis, having roles in the maintenance of cell identity, epithelial integrity, and prevention of endometrial disease. Chromodomain-helicase-DNA-binding protein 4 ( CHD4 ) is …
View article: WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Organoids): endometrial organoids as an emerging technology for endometriosis research
WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Organoids): endometrial organoids as an emerging technology for endometriosis research Open
The aetiology of endometriosis remains poorly understood. In vitro model systems provide the opportunity to identify the mechanisms driving disease pathogenesis using human cells. Three-dimensional models, particularly organoid systems, ha…
View article: WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Heterologous): heterologous rodent models
WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Heterologous): heterologous rodent models Open
Endometriosis, defined as the growth of endometrial-like tissues outside the uterus, is a common disease among women. Numerous in vivo rodent models of endometriosis have been developed to explore multiple aspects of this poorly understood…
View article: WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Homologous): homologous rodent models
WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Homologous): homologous rodent models Open
In vivo models of endometriosis enable the discovery and preclinical testing of new therapies. Several rodent models of endometriosis exist, but a lack of harmonization impedes reproducibility and comparability of results among investigato…
View article: WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Pain): methods to assess pain behaviour in rodent models of endometriosis
WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Pain): methods to assess pain behaviour in rodent models of endometriosis Open
Pain is a debilitating symptom of endometriosis, and its mechanisms are often explored using rodent models. However, a lack of harmonization amongst models and behavioural measures, in addition to inconsistent reporting, might limit the ov…
View article: Key Considerations for Studying the Effects of High-Fat Diet on the Nulligravid Mouse Endometrium
Key Considerations for Studying the Effects of High-Fat Diet on the Nulligravid Mouse Endometrium Open
The obesity epidemic continues to increase, with half of US women predicted to be obese by 2030. Women with obesity are at increased risk for not only cardiovascular and liver disease, but also reproductive disorders. Although mouse models…
View article: PIK3CA mutation in endometriotic epithelial cells promotes viperin-dependent inflammatory response to insulin
PIK3CA mutation in endometriotic epithelial cells promotes viperin-dependent inflammatory response to insulin Open
View article: Poster Presentations
Poster Presentations Open
Problem: Epidemiological studies in humans implicate maternal expression of different combinations of KIRs, which are a family of cell surface receptors that tune cellular activation status, as being predictive in pregnancy complication on…
View article: Obesity alters the mouse endometrial transcriptome in a cell context-dependent manner
Obesity alters the mouse endometrial transcriptome in a cell context-dependent manner Open
View article: ARID1A-dependent maintenance of H3.3 is required for repressive CHD4-ZMYND8 chromatin interactions at super-enhancers
ARID1A-dependent maintenance of H3.3 is required for repressive CHD4-ZMYND8 chromatin interactions at super-enhancers Open
Background SWI/SNF (BAF) chromatin remodeling complexes regulate lineage-specific enhancer activity by promoting accessibility for diverse DNA-binding factors and chromatin regulators. Additionally, they are known to modulate the function …
View article: Transcriptome and DNA methylome analyses reveal underlying mechanisms for the racial disparity in uterine fibroids
Transcriptome and DNA methylome analyses reveal underlying mechanisms for the racial disparity in uterine fibroids Open
Uterine fibroids (leiomyomas) affect Black women disproportionately compared with women of other races and ethnicities in terms of prevalence, incidence, and severity of symptoms. The causes of this racial disparity are essentially unknown…
View article: Endometrial Epithelial ARID1A Is Required for Uterine Immune Homeostasis during Early Pregnancy
Endometrial Epithelial ARID1A Is Required for Uterine Immune Homeostasis during Early Pregnancy Open
A growing body of work suggests epigenetic dysregulation contributes to endometriosis pathophysiology and female infertility. The chromatin remodeling complex subunit AT-rich interaction domain 1A (ARID1A) must be properly expressed to mai…
View article: AP-1 Subunit JUNB Promotes Invasive Phenotypes in Endometriosis
AP-1 Subunit JUNB Promotes Invasive Phenotypes in Endometriosis Open
View article: SWI/SNF Antagonism of PRC2 Mediates Estrogen-Induced Progesterone Receptor Expression
SWI/SNF Antagonism of PRC2 Mediates Estrogen-Induced Progesterone Receptor Expression Open
Endometrial cancer (EC) is characterized by high estrogen levels unopposed by progesterone. Treatment with progestins is standard for early EC, but the response to progestins is dependent on progesterone receptor (PGR) expression. Here, we…
View article: ARID1A maintains transcriptionally repressive H3.3 associated with CHD4-ZMYND8 chromatin interactions
ARID1A maintains transcriptionally repressive H3.3 associated with CHD4-ZMYND8 chromatin interactions Open
ARID1A is a signature subunit of the mammalian SWI/SNF (BAF) chromatin remodeling complex and is mutated at a high rate in malignancies and benign diseases originating from the uterine endometrium. Through genome-wide analysis of human end…
View article: Additional file 2 of Obesity alters the mouse endometrial transcriptome in a cell context-dependent manner
Additional file 2 of Obesity alters the mouse endometrial transcriptome in a cell context-dependent manner Open
Additional file 2: Supplemental Data: Table 1. Differential Gene Expression.
View article: Co-existing TP53 and ARID1A mutations promote aggressive endometrial tumorigenesis
Co-existing TP53 and ARID1A mutations promote aggressive endometrial tumorigenesis Open
TP53 and ARID1A are frequently mutated across cancer but rarely in the same primary tumor. Endometrial cancer has the highest TP53-ARID1A mutual exclusivity rate. However, the functional relationship between TP53 and ARID1A mutations in th…
View article: ARID1A Mutations Promote P300-Dependent Endometrial Invasion through Super-Enhancer Hyperacetylation
ARID1A Mutations Promote P300-Dependent Endometrial Invasion through Super-Enhancer Hyperacetylation Open
View article: SWI/SNF inactivation in the endometrial epithelium leads to loss of epithelial integrity
SWI/SNF inactivation in the endometrial epithelium leads to loss of epithelial integrity Open
Although ARID1A mutations are a hallmark feature, mutations in other SWI/SNF (SWItch/Sucrose Non-Fermentable) chromatin remodeling subunits are also observed in endometrial neoplasms. Here, we interrogated the roles of Brahma/SWI2-related …
View article: Lgr5-positive endothelial progenitor cells occupy a tumor and injury prone niche in the kidney vasa recta
Lgr5-positive endothelial progenitor cells occupy a tumor and injury prone niche in the kidney vasa recta Open
View article: ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation
ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation Open
Background Chromatin dysregulation is associated with developmental disorders and cancer. Numerous methods for measuring genome-wide chromatin accessibility have been developed in the genomic era to interrogate the function of chromatin re…
View article: Additional file 2 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation
Additional file 2 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation Open
Additional file 3. bedpeTn5shift.sh—Bash script for shifting coordinates in standard 10-column format BEDPE files to compensate for Tn5 adapter insertion as described in Buenrostro et al. See Fig. 4 for usage.
View article: Additional file 3 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation
Additional file 3 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation Open
Additional file 4.bedpeMinimalConvert.sh—Bash script for converting standard 10-column format BEDPE to the “minimal” format defined by MACS2. See Fig. 4 for usage.
View article: Additional file 5 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation
Additional file 5 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation Open
Additional file 2.ATACseq_workflow.txt—Example machine-readable Fig. 4 workflow including stepwise unix and R commands for ATAC-seq data processing.
View article: Additional file 4 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation
Additional file 4 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation Open
Additional file 5.naiveOverlapBroad.sh—Bash script for calculating naïve overlap broad peak set from 2 individual replicate peak sets and a pooled replicate peak set. Can be modified for to accept more replicates as desired. See Fig. 4 for…
View article: Additional file 6 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation
Additional file 6 of ATAC-seq normalization method can significantly affect differential accessibility analysis and interpretation Open
Additional file 6. csaw_workflow.R—Example R workflow for differential accessibility analysis with csaw as graphically displayed in Fig. 6. Describes process for both TMM and loess normalizations and either supplying MACS2 peak sets as que…
View article: A mouse model of endometriosis mimicking the natural spread of invasive endometrium
A mouse model of endometriosis mimicking the natural spread of invasive endometrium Open
STUDY QUESTION Is it possible to establish a genetically engineered mouse model (GEMM) of endometriosis that mimics the natural spread of invasive endometrium? SUMMARY ANSWER Endometriosis occurs in an ARID1A (AT-rich interactive domain-co…
View article: ARID1A and PI3-kinase pathway mutations in the endometrium drive epithelial transdifferentiation and collective invasion
ARID1A and PI3-kinase pathway mutations in the endometrium drive epithelial transdifferentiation and collective invasion Open
View article: The SWI/SNF BAF-A complex is essential for neural crest development
The SWI/SNF BAF-A complex is essential for neural crest development Open
View article: The SWI/SNF BAF-A complex is essential for neural crest development
The SWI/SNF BAF-A complex is essential for neural crest development Open
Growing evidence indicates that chromatin remodeler mutations underlie the pathogenesis of human neurocristopathies or disorders that affect neural crest cells (NCCs). However, causal relationships among chromatin remodeler subunit mutatio…