Khoa D. Tran

ORCID: 0000-0001-5910-1218
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About
Contact & Profiles
Research Areas
  • Corneal Surgery and Treatments
  • Corneal surgery and disorders
  • Glaucoma and retinal disorders
  • Obstructive Sleep Apnea Research
  • Ocular Surface and Contact Lens
  • Respiratory Support and Mechanisms
  • Venous Thromboembolism Diagnosis and Management
  • Developmental Biology and Gene Regulation
  • Neurobiology and Insect Physiology Research
  • Music and Audio Processing
  • Neuroscience of respiration and sleep
  • Nutrition and Health in Aging
  • Metabolism and Genetic Disorders
  • Tracheal and airway disorders
  • Clinical Nutrition and Gastroenterology
  • Ocular Infections and Treatments
  • Privacy, Security, and Data Protection
  • Airway Management and Intubation Techniques
  • Plant Molecular Biology Research
  • Web Data Mining and Analysis
  • Hemoglobinopathies and Related Disorders
  • Genetic Neurodegenerative Diseases
  • Infectious Encephalopathies and Encephalitis
  • Head and Neck Anomalies
  • Antifungal resistance and susceptibility

Riley Hospital for Children
2025

Indiana University School of Medicine
2023-2024

Indiana University
2023-2024

Kitware (United States)
2024

FPT University
2023-2024

Ho Chi Minh City University of Technology
2024

Vietnam National University Ho Chi Minh City
2024

Logan Hospital
2013-2023

The University of Queensland
2009-2023

Dong A University
2023

Fuchs's corneal dystrophy (FCD) is a leading cause of transplantation and affects 5% persons in the United States who are over age 40 years. Clinically visible deposits called guttae develop under endothelium patients with FCD. A loss endothelial cells deposition an abnormal extracellular matrix observed microscopically. In advanced disease, cornea swells becomes cloudy because remaining not sufficient to keep dehydrated clear. Although rare genetic variation that contributes both...

10.1056/nejmoa1007064 article EN New England Journal of Medicine 2010-09-08

Regulation of stem cell self-renewal versus differentiation is critical for embryonic development and adult tissue homeostasis. Drosophila larval neuroblasts divide asymmetrically to self-renew, are a model system studying self-renewal. Here we identify three mutations showing increased brain neuroblast numbers that map the aurora-A gene, which encodes conserved kinase implicated in human cancer. Clonal analysis time-lapse imaging mutants show single generate multiple (ectopic self-renewal)....

10.1101/gad.1489406 article EN Genes & Development 2006-12-15

While it is accepted that a majority of invasive breast cancer progresses from ductal carcinoma in situ (DCIS) precursor stage, very little known about the factors promote survival DCIS neoplastic cells within hypoxic, nutrient deprived intraductal microenvironment.We examined hypothesis fresh human lesions contain pre-existing cells. We characterized these by full genome molecular cytogenetics (Illumina HumanCytoSNP profile), and signal pathway profiling (Reverse Phase Protein Microarray,...

10.1371/journal.pone.0010240 article EN cc-by PLoS ONE 2010-04-20

Here, we describe the embryonic central nervous system expression of 5,000 GAL4 lines made using molecularly defined cis-regulatory DNA inserted into a single attP genomic location. We document and annotate patterns in early embryos when neurogenesis is at its peak, older where there maximal neuronal diversity first neural circuits are established. note other tissues, such as lateral body wall (muscle, sensory neurons, trachea) viscera. Companion papers report on adult brain larval imaginal...

10.1016/j.celrep.2012.09.009 article EN cc-by-nc-nd Cell Reports 2012-10-01

To assess behavior and quality of life in children with obstructive sleep apnea (OSA) undergoing tonsillectomy adenoidectomy compared control children.Prospective controlled study.Hospital-based pediatric otolaryngology practice.Forty-two (25 boys 17 girls; mean [SD] age, 5.8 [2.5] years) OSA confirmed by positive findings on polysomnography 41 (29 12 7.3 [3.8] no history snoring unrelated elective surgery.Parents completed the standardized Child Behavior Checklist a validated...

10.1001/archotol.131.1.52 article EN Archives of Otolaryngology - Head and Neck Surgery 2005-01-01

Crustaceans possess remarkably diverse appendages, both between segments of a single individual as well species. Previous studies in wide range crustaceans have demonstrated correlation the anterior expression boundary homeotic (Hox) gene Ultrabithorax (Ubx) and location number specialized thoracic feeding called maxillipeds. Given that Hox genes regulate regional identity organisms mice flies, these observations led to hypothesis Ubx regulates maxillipeds evolutionary changes generated...

10.1073/pnas.0903105106 article EN Proceedings of the National Academy of Sciences 2009-08-05

To compare outcomes from early post-pyloric to gastric feeding in ventilated, critically ill patients a medical intensive care unit (ICU). Prospective randomized study. Ventilated were randomly assigned receive enteral feed via nasogastric or tube. Post-pyloric tubes inserted by the bedside nurse and placement was confirmed radiographically. A total of 104 enrolled, 54 group 50 group. Bedside tube insertion successful 80% patients. Patients who failed fed route, but analysed on an intent-to...

10.1186/cc8181 article EN cc-by Critical Care 2009-01-01

Purpose: To determine graft quality and feasibility of Descemet membrane endothelial keratoplasty (DMEK) grafts that are prestripped preloaded into injectors by eye bank technicians before shipping to surgeons. Methods: DMEK (n = 31) were prepared from donor corneas Straiko Modified Jones tubes set inside viewing chambers filled with 20 mL Optisol-GS. Preloaded evaluated using specular microscopy slit-lamp biomicroscopy. Endothelial cell loss (ECL) was captured vital dye staining quantified...

10.1097/ico.0000000000001150 article EN Cornea 2017-01-26

Purpose: To describe the technique, advantages, and early complication rates of using Descemet membrane endothelial keratoplasty (DMEK) donor tissue that is prestained preloaded into an injector at eye bank delivered in a storage medium to surgeon for transplantation 1 2 days later. Methods: A total 111 eyes with failure underwent DMEK donors were prestripped, prestained, S-stamped, Straiko modified Jones tube Optisol-filled viewing chamber Scroll tightness, time unscroll center tissue,...

10.1097/ico.0000000000001646 article EN Cornea 2018-05-31

Objective: The authors’ goal was to compare the size and linear density of Purkinje cells in cerebellar vermis subjects with without schizophrenia. Method: Blocks alcohol-fixed were dissected at autopsy from brains 14 elderly patients schizophrenia 13 no history neuropsychiatric illness. blocks sectioned stained 1% cresyl violet. cross-sectional area measured by using computer-assisted image analysis. had been assessed clinical rating scales within 1 year prior death.Results: average areas...

10.1176/ajp.155.9.1288 article EN American Journal of Psychiatry 1998-09-01

Neurogenesis in Drosophila and mammals requires the precise integration of spatial temporal cues. In Drosophila, embryonic neural progenitors (neuroblasts) sequentially express transcription factors Hunchback, Kruppel, Pdm1/Pdm2 (Pdm) Castor as they generate a stereotyped sequence neuronal glial progeny. Hunchback Kruppel specify early identity two posterior neuroblast lineages (NB7-1 NB7-3), whereas Pdm late NB7-1 lineage. Because have only been assayed one lineage, it is unknown whether...

10.1242/dev.024349 article EN Development 2008-10-03

Purpose To evaluate the clinical feasibility and visual outcomes of allograft corneal ring segment implantation for treatment keratoconus. Methods This case series, included forty-four eyes 32 patients with a 6-month follow-up. All cases were treated according to Istanbul nomogram. In Nomogram, tunnels 4 × 7.5 mm diameters are created at depth 200 μm implanted sterile rings (KeraNaturalTM, Lions VisionGift, Portland, OR, USA) cone location. Uncorrected distance acuity (UDVA), corrected...

10.1177/11206721221142995 article EN European Journal of Ophthalmology 2022-12-04

Decision-making for elective cleft lip and nose revisions varies widely, from patient-led decisions to more paternalistic approaches. As these procedures incur additional scarring that may impact future interventions, patients should be equipped participate in surgical decisions. We thus developed a decision aid based on international standards, ensure methodologic rigor, we sought feedback other surgeons regarding shared decision-making potential barriers adopting the aid. The was...

10.1177/10556656241310205 article EN The Cleft Palate-Craniofacial Journal 2025-01-17

Objective Spiritual distress describes an “impaired ability to experience and integrate meaning purpose,” frequently occurring after receipt of a major diagnosis. We measured spiritual in caregivers children presenting multidisciplinary cleft craniofacial clinic, hypothesizing that significant percentage would demonstrate distress. Design Caregivers were surveyed utilizing the Functional Assessment Chronic Illness Therapy—Spiritual Well-Being scale, non-illness version (FACIT-Sp 12),...

10.1177/10556656251326479 article EN The Cleft Palate-Craniofacial Journal 2025-03-18

Abstract Thermoelectric generators (TEGs) provide an innovative approach to converting waste heat into electricity. However, practical application of TEGs is constrained by the limited thermoelectric performance traditional materials like bismuth telluride (Bi₂Te₃)-based materials. Thick films frequently suffer from cracking, leading reduced reliability and efficiency. To overcome these limitations, this study investigates incorporation cellulose nanofibers (CNF) Bi₂Te₃-based films. CNF, a...

10.1149/1945-7111/adc492 article EN publisher-specific-oa Journal of The Electrochemical Society 2025-03-24

To examine endothelial cell damage and stain retention of prestained preloaded Descemet membrane keratoplasty (DMEK) grafts.DMEK grafts were stained with trypan blue or left unstained before loading into a Straiko modified Jones tube. A protocol to inside the tube resulting loss was also examined. Endothelial determined by vital dye staining after 3 days cold storage compared between groups. Eight additional stained, loaded, shipped from Oregon New York assess stability. Stain ability...

10.1097/ico.0000000000001329 article EN Cornea 2017-08-23

Early warning tools have been widely implemented without evidence to guide (a) recognition and (b) response team expertise optimisation. With growing databases from MET-calls digital hospitals, we now access guiding information. The Queensland Adult-Deterioration-Detection-System (Q-ADDS) is used requires validation.Compare the accuracy of Q-ADDS National Warning Score (NEWS), Between-the-Flags (BTF) electronic Cardiac Arrest Risk Triage (eCART)).Data Chicago University hospital database...

10.1016/j.resuscitation.2020.05.027 article EN cc-by-nc-nd Resuscitation 2020-06-03

The Hunchback/Ikaros family of zinc-finger transcription factors is essential for specifying the anterior/posterior body axis in insects, fate early-born pioneer neurons Drosophila, and retinal immune development mammals. proteins can directly activate or repress target gene during early insect development, but their mode action neural unknown. Here, we use recombineering to generate a series Hunchback domain deletion variants assay function neurogenesis absence endogenous Hunchback....

10.1242/dev.048678 article EN Development 2010-03-25

ABSTRACT Background and objective: Previous studies have demonstrated an increased incidence of sleep apnoea in spinal cord‐injured patients. Many these were performed long‐term, stable cord injury (SCI). The aims this study were: (i) to determine the prevalence sleep‐disordered breathing (SDB) acute SCI; (ii) document change SDB over time during rehabilitation period; (iii) correlate degree with ventilatory parameters. Methods: Sixteen subjects SCI level T12 above complete motor impairment...

10.1111/j.1440-1843.2009.01669.x article EN Respirology 2009-12-01
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