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Full-Text Articles in Medicine and Health Sciences
Epidermal Growth Factor Mediated Healing In Stem Cell-Derived Vocal Fold Mucosa, Liliana Palencia, Amritava Das, Sean P. Palecek, Susan L. Thibeault, Ciara Leydon
Epidermal Growth Factor Mediated Healing In Stem Cell-Derived Vocal Fold Mucosa, Liliana Palencia, Amritava Das, Sean P. Palecek, Susan L. Thibeault, Ciara Leydon
Communication Disorders Faculty Publications
Background: The goal of vocal fold wound healing is the reconstitution of functional tissue, including a structurally and functionally intact epithelium. Mechanisms underlying reepithelialization in vocal folds are not known, although it is suspected that healing involves the interplay between several growth factors. We used a three-dimensional human embryonic stem cell-derived model of vocal fold mucosa to examine the effects of one growth factor, exogenous epidermal growth factor (EGF), on wound healing. Materials and methods: A scratch wound was created in the in vitro model. Rate of wound healing, epidermal growth factor receptor (EGFR) activation, and cell proliferation after injury …
Epithelial Cells Are Active Participants In Vocal Fold Wound Healing: An In Vivo Animal Model Of Injury, Ciara Leydon, Mitsuyoshi Imaizumi, Rebecca S. Bartlett, Sarah F. Wang, Susan L. Thibeault
Epithelial Cells Are Active Participants In Vocal Fold Wound Healing: An In Vivo Animal Model Of Injury, Ciara Leydon, Mitsuyoshi Imaizumi, Rebecca S. Bartlett, Sarah F. Wang, Susan L. Thibeault
Communication Disorders Faculty Publications
Vocal fold epithelial cells likely play an important, yet currently poorly defined, role in healing following injury, irritation and inflammation. In the present study, we sought to identify a possible role for growth factors, epidermal growth factor (EGF) and transforming growth factor-beta 1 (TGFβ1), in epithelial regeneration during wound healing as a necessary first step for uncovering potential signaling mechanisms of vocal fold wound repair and remodeling. Using a rat model, we created unilateral vocal fold injuries and examined the timeline for epithelial healing and regeneration during early and late stages of wound healing using immunohistochemistry (IHC). We observed time-dependent …
The Neural Underpinnings Of Prosody In Autism, Inge-Marie Eigsti, Jillian Schuh, Einar Mencl, Robert T. Schultz, Rhea Paul
The Neural Underpinnings Of Prosody In Autism, Inge-Marie Eigsti, Jillian Schuh, Einar Mencl, Robert T. Schultz, Rhea Paul
Communication Disorders Faculty Publications
This study examines the processing of prosodic cues to linguistic structure and to affect, drawing on fMRI and behavioral data from 16 high-functioning adolescents with autism spectrum disorders (ASD) and 11 typically developing controls. Stimuli were carefully matched on pitch, intensity, and duration, while varying systematically in conditions of affective prosody (angry versus neutral speech) and grammatical prosody (questions versus statement). To avoid conscious attention to prosody, which normalizes responses in young people with ASD, the implicit comprehension task directed attention to semantic aspects of the stimuli. Results showed that when perceiving prosodic cues, both affective and grammatical, activation of …
Parents Ask: Am I Risking Autism If I Vaccinate My Children?, Rhea Paul
Parents Ask: Am I Risking Autism If I Vaccinate My Children?, Rhea Paul
Communication Disorders Faculty Publications
There is no evidence that autism is caused by any vaccine or any additive or preservative ever used in one. There have been large, well-controlled studies done all over the Western world that have confirmed this finding over and over again. There is no reason for any parent to deny a child the crucial protection today’s vaccines offer out of misguided fear that doing so would increase the risk for autism.
Associations Between Performance On The Rey-Osterrieth Complex Figure And Regional Brain Volumes In Children With And Without Velocardiofacial Syndrome, Kevin M. Antshel, Jena Peebles, Nuria Abdulsabur, Anne Marie Higgins, Nancy Roizen, Robert J. Shprintzen, Wanda Fremont, Robert Natasi, Wendy R. Kates
Associations Between Performance On The Rey-Osterrieth Complex Figure And Regional Brain Volumes In Children With And Without Velocardiofacial Syndrome, Kevin M. Antshel, Jena Peebles, Nuria Abdulsabur, Anne Marie Higgins, Nancy Roizen, Robert J. Shprintzen, Wanda Fremont, Robert Natasi, Wendy R. Kates
Communication Disorders Faculty Publications
Ninety-two children with velocardiofacial syndrome (VCFS), a genetic disorder caused by a microdeletion of chromosome 22q11.2 and an age, race, and gender-ratio comparable sample of 59 control participants were included in the project. Participants received an MRI as well as a comprehensive neuropsychological battery; the primary outcome measure in the current report is the Rey-Osterrieth Complex Figure (ROCF). Children with VCFS performed less well on the ROCF and have lower whole brain volume compared to controls. After controlling for whole brain volume differences, children with VCFS have bilaterally less parietal lobe gray and white matter yet more frontal lobe white …