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Articles 1 - 30 of 107
Full-Text Articles in Medicine and Health Sciences
Glucocorticoids Rapidly Activate Camp Production Via GΑs To Initiate Non-Genomic Signaling That Contributes To One-Third Of Their Canonical Genomic Effects, Francisco J. Nuñez, Timothy B. Johnstone, Maia L. Corpuz, Austin G. Kazarian, Nicole N. Mohajer, Omar Tliba, Reynold A. Pannettieri Jr., Cynthia J. Koziol-White, Moom Roosan, Rennolds S. Ostrom
Glucocorticoids Rapidly Activate Camp Production Via GΑs To Initiate Non-Genomic Signaling That Contributes To One-Third Of Their Canonical Genomic Effects, Francisco J. Nuñez, Timothy B. Johnstone, Maia L. Corpuz, Austin G. Kazarian, Nicole N. Mohajer, Omar Tliba, Reynold A. Pannettieri Jr., Cynthia J. Koziol-White, Moom Roosan, Rennolds S. Ostrom
Pharmacy Faculty Articles and Research
Glucocorticoids are widely used for the suppression of inflammation, but evidence is growing that they can have rapid, non-genomic actions that have been unappreciated. Diverse cell signaling effects have been reported for glucocorticoids, leading us to hypothesize that glucocorticoids alone can swiftly increase the 3′,5′-cyclic adenosine monophosphate (cAMP) production. We found that prednisone, fluticasone, budesonide, and progesterone each increased cAMP levels within 3 minutes without phosphodiesterase inhibitors by measuring real-time cAMP dynamics using the cAMP difference detector in situ assay in a variety of immortalized cell lines and primary human airway smooth muscle (HASM) cells. A membrane- impermeable glucocorticoid showed …
Genetic Taster Status As A Mediator Of Neural Activity And Swallowing Mechanics In Healthy Adults, Angela M. Dietsch, Ross M. Westemeyer, William G. Pearson Jr., Douglas H. Schultz
Genetic Taster Status As A Mediator Of Neural Activity And Swallowing Mechanics In Healthy Adults, Angela M. Dietsch, Ross M. Westemeyer, William G. Pearson Jr., Douglas H. Schultz
Center for Brain, Biology, and Behavior: Faculty and Staff Publications
As part of a larger study examining relationships between taste properties and swallowing, we assessed the influence of genetic taster status (GTS) on measures of brain activity and swallowing physiology during taste stimulation in healthy men and women. Twenty-one participants underwent videofluoroscopic swallowing study (VFSS) and functional magnetic resonance imaging (fMRI) during trials of high-intensity taste stimuli. The precisely formulated mixtures included sour, sweet-sour, lemon, and orange taste profiles and unflavored controls. Swallowing physiology was characterized via computational analysis of swallowing mechanics plus other kinematic and temporal measures, all extracted from VFSS recordings. Whole-brain analysis of fMRI data assessed blood …
An Analysis Of Abdominal Stability Following Hyperthermic Exercise In Euhydrated And Dehydrated Conditions, Carli Ceckanowicz
An Analysis Of Abdominal Stability Following Hyperthermic Exercise In Euhydrated And Dehydrated Conditions, Carli Ceckanowicz
Honors Scholar Theses
Core stability is essential for maintaining safety and optimizing performance during exercise and sport. The purpose of this study is to analyze how heat and hydration status (euhydrated USG<1.025 or dehydrated USG>1.025) can impair trunk stability in males and females (in both follicular and luteal phases) using the Trunk Stability Test (TST). Participants complete three blocks of 30 minutes of hyperthermic (35±1.299 oC and 49.418±5.0329% relative humidity) treadmill exercise. Exercise intensity is equivalent to 15 minutes at either 11W/kg or 7W/kg and the following 15 minutes at either 7W/kg or 4W/kg, respectively, based on individual heat production data. TST data will …1.025>
Association Between Adolescent Blunt Use And The Uptake Of Cigars, Janet Audrain-Mcgovern, Daniel Rodriguez, Emily Alexander, Stephen Pianin, Kymberle Landrum
Association Between Adolescent Blunt Use And The Uptake Of Cigars, Janet Audrain-Mcgovern, Daniel Rodriguez, Emily Alexander, Stephen Pianin, Kymberle Landrum
School of Nursing and Health Sciences Faculty Work
Importance: Almost two-thirds of adolescents who smoke blunts also report using cigars. Although adolescent co-use of blunts and cigars is prevalent, whether adolescent blunt use is associated with progression to current cigar use (past 30-day use) and increased frequency of use is unknown.
Objective: To determine whether adolescent use of blunts is associated with progression to cigar use (past 30-day use) and increased number of days used (in the past 30 days) across the subsequent 24 months compared with adolescents who have never used blunts.
Design, Setting, and Participants: In this prospective cohort study of adolescents from …
Evaluation Of Tumor Necrosis Factor Alpha In Sleep-Deprived Menopausal- Induced Rats And The Impact On Bone Health, Nicole Ellsworth, Dwight Curry Iii, Cj Deleon, Frank Frisch
Evaluation Of Tumor Necrosis Factor Alpha In Sleep-Deprived Menopausal- Induced Rats And The Impact On Bone Health, Nicole Ellsworth, Dwight Curry Iii, Cj Deleon, Frank Frisch
Student Scholar Symposium Abstracts and Posters
Post-menopausal osteoporosis as a consequence of estrogen depletion is a growing concern for women in the United States. As more women take on executive positions and experience sleep deprivation, there is the potential for up regulation of pro-inflammatory cytokines, such as tumor necrosis factor alpha. It follows that the homeostatic imbalance of osteoclastic and osteoblastic activity leads to a greater risk of disease. Bisphosphonates generally, and Zolendronate specifically works by decreasing the number of osteoclasts. This current study investigated the impact of Zolendronate on the concentrations of tumor necrosis factor alpha-type (TNFɑ) in 32 ovariectomized Wistar rats. Throughout a five …
Bone Strength And Distal Femur Trabecular Thickness In Sleep Deprived Ovariectomized Rats Treated With Zoledronate, Erin Nolte, Frank Frisch
Bone Strength And Distal Femur Trabecular Thickness In Sleep Deprived Ovariectomized Rats Treated With Zoledronate, Erin Nolte, Frank Frisch
Student Scholar Symposium Abstracts and Posters
Osteoporosis is a disease that causes the density and quality of bone to be decreased, which can increase the risk of fracture by 40%. 1 in 3 women over the age of 50 will be affected by osteoporosis. This study aimed to show how bone strength and distal femur trabecular thickness might be affected by Zoledronate and sleep-deprivation in estrogen-deficient rats. Wistar female rats were ovariectomized to contrive postmenopausal estrogen-deficiency. The rats were separated into 4 groups. The control group (C, n=4) was given an intraperitoneal (IP) injection of 0.45 mL of 0.9% saline, were housed in standard conditions permitting …
Human Diseases Related To Different Body Systems [Biology], Richa Gupta
Human Diseases Related To Different Body Systems [Biology], Richa Gupta
Open Educational Resources
This assignment, aligned to LaGuardia Community College’s Global Learning Core Competency and Digital Communication Ability, was designed for the laboratory part of Human Anatomy and Physiology I (SCB203) course. The assignment, “Human Diseases Related to Different Body Systems,” aims to promote students’ learning and preparation towards their future major in STEM and in the Allied Health Programs. SCB203, taught by faculty in the Natural Sciences department, is a program-core course for Liberal Arts-Mathematics and Science majors and a key Pre-Clinical course (prerequisite) for future enrollment of students into several Allied Health majors such as Nursing, Occupational Therapy, Physical Therapy, Radiologic …
Budesonide Enhances Agonist-Induced Bronchodilation In Human Small Airways By Increasing Camp Production In Airway Smooth Muscle, Cynthia J. Koziol-White, Timothy B. Johnstone, Maia L. Corpuz, Gaoyuan Cao, Sarah Orfanos, Vishal Parikh, Brian Deeney, Omar Tliba, Rennolds S. Ostrom, Ian Dainty, Reynold A. Panettieri Jr.
Budesonide Enhances Agonist-Induced Bronchodilation In Human Small Airways By Increasing Camp Production In Airway Smooth Muscle, Cynthia J. Koziol-White, Timothy B. Johnstone, Maia L. Corpuz, Gaoyuan Cao, Sarah Orfanos, Vishal Parikh, Brian Deeney, Omar Tliba, Rennolds S. Ostrom, Ian Dainty, Reynold A. Panettieri Jr.
Pharmacy Faculty Articles and Research
The non-genomic mechanisms by which glucocorticoids modulate β2 agonist-induced-bronchodilation remain elusive. Our studies aimed to elucidate mechanisms mediating the beneficial effects of glucocorticoids on agonist-induced bronchodilation. Utilizing human precision cut lung slices (hPCLS), we measured bronchodilation to formoterol, prostaglandin E2 (PGE2), cholera toxin (CTX) or forskolin in the presence and absence of budesonide. Using cultured human airway smooth muscle (HASM), intracellular cAMP was measured in live cells following exposure to formoterol, PGE2, or forskolin in the presence or absence of budesonide. We showed that simultaneous budesonide administration amplified formoterol-induced bronchodilation and attenuated agonist-induced phosphorylation …
Individuals With Recurrent Low Back Pain Exhibit Significant Changes In Paraspinal Muscle Strength After Intramuscular Fine Wire Electrode Insertion, Szu-Ping Lee, Vincent Dinglasan, Anthony Duong, Russell Totten, Jo Armour Smith
Individuals With Recurrent Low Back Pain Exhibit Significant Changes In Paraspinal Muscle Strength After Intramuscular Fine Wire Electrode Insertion, Szu-Ping Lee, Vincent Dinglasan, Anthony Duong, Russell Totten, Jo Armour Smith
Physical Therapy Faculty Articles and Research
Objective
To examine how insertion and presence of intramuscular fine‐wire electromyography electrodes (IFWE) in lumbar multifidus affect paraspinal muscle strength, endurance, and activation in persons with and without recurrent lower back pain (RLBP) during activities that require high levels of muscle contraction.
Design
Case‐control with randomization of conditions.
Setting
Clinical Research Laboratory.
Participants
Forty participants age 18‐40 were recruited (18 female; mean age = 25.5 yr); 20 with a history of RLBP were compared to a matching control group of 20 without RLBP.
Interventions
Each participant was tested under three conditions over three sessions. On Session 1, the baseline condition, …
Test-Retest Reliability And Minimum Detectable Change For Various Frontal Plane Projection Angles During Dynamic Tasks, David M. Werner, Stephanie Di Stasi, Cara L. Lewis, Joaquin Alberto Barrios
Test-Retest Reliability And Minimum Detectable Change For Various Frontal Plane Projection Angles During Dynamic Tasks, David M. Werner, Stephanie Di Stasi, Cara L. Lewis, Joaquin Alberto Barrios
Physical Therapy Faculty Publications
Objective: Establish between-day test-retest reliability metrics for 2-dimensional frontal plane projection angles (FPPAs) during the lateral step-down (LSD), single-limb squat (SLS), single-limb landing (SLL), and drop vertical jump (DVJ).
Design: Test-retest reliability study
Setting: University laboratory
Participants: 20 healthy adults (12 female, age = 23.60±1.93 years old, body mass index = 24.26±2.54 kg/m2) were tested on 2 separate occasions 7-14 days apart.
Main Outcome Measures: Intraclass correlation coefficients (ICC), standard errors of the measurement (SEM), and minimal detectable change (MDC) values across the LSD, SLS, SLL, and DVJ for the following body region variables: trunk, trunk on pelvis, …
Creating An Interprofessional Collaborative Research Opportunity For Physical And Occupational Therapy Students, Anne Fleischer, Mary Insana Fisher, Shirley P. O'Brien
Creating An Interprofessional Collaborative Research Opportunity For Physical And Occupational Therapy Students, Anne Fleischer, Mary Insana Fisher, Shirley P. O'Brien
Physical Therapy Faculty Publications
Physical therapy (PT) and occupational therapy (OT) professional associations assert the importance that entry-level therapists learn and apply the knowledge and skills necessary for interprofessional collaborative practice; however, the majority of PT and OT programs do not have the other discipline at their university. A challenge exists for the creation of a transparent active learning opportunity promoting interprofessional student engagement when the two professions do not reside in the same university. This case study provides a model for how to feasibly create an interprofessional experience for students in universities that do not include a complementary or collaborative allied health professional …
Safe And Effective Use Of A Hands-Free Intracorporeal Retractor For Suture-Based Liver Retraction During Minimally Invasive Bariatric Procedures: Results Of A Large Case Series, Roger De La Torre, Matthew Sappington, Tom Smith, Jeremy Bryner, David Mantilla, J Stephen Scott
Safe And Effective Use Of A Hands-Free Intracorporeal Retractor For Suture-Based Liver Retraction During Minimally Invasive Bariatric Procedures: Results Of A Large Case Series, Roger De La Torre, Matthew Sappington, Tom Smith, Jeremy Bryner, David Mantilla, J Stephen Scott
General Surgery
Background
Laparoscopic bariatric surgery requires retraction of the left lobe of the liver to provide adequate operative view and working space. Conventional approaches utilize a mechanical retractor that requires a dedicated incision, may cause liver damage, and often requires an assistant. This study evaluated the safety and efficacy of hands-free intracorporeal retractors in a large series of subjects undergoing laparoscopic bariatric surgery. This method eliminates the need for a subxiphoid incision, enables full surgeon autonomy, and allows for adjustments throughout the procedure.
Methods
Retrospective chart review identified all subjects at a single hospital undergoing bariatric surgery between September 2017-March 2019 …
Extracapsular Hepatocellular Adenoma: A Diagnostic Dilemma, Iisin Y. Comba, Richard Henriquez, Sundeep Kumar, Ruthvik Srinvasa-Murthy, Maria Wallis-Crespo, Olga Karasik, Lakhinder Bhatia, Dong Xu
Extracapsular Hepatocellular Adenoma: A Diagnostic Dilemma, Iisin Y. Comba, Richard Henriquez, Sundeep Kumar, Ruthvik Srinvasa-Murthy, Maria Wallis-Crespo, Olga Karasik, Lakhinder Bhatia, Dong Xu
Gastroenterology
Introduction: Hepatocellular adenoma (HCA) is a benign tumor of the liver and almost always located intracapsular. Bleeding (25%), and malignant transformation (5%) can complicate the disease course if left untreated. Herein, we present a case of extracapsular HCA of ectopic liver in the omentum complicated with intraperitoneal hemorrhage.
Case Description/Methods: A 43-year-old lady with no past medical history presented to emergency department with two-day history of left shoulder pain and epigastric discomfort. Her only medication was an oral contraceptive pill (OCP). On physical exam, the patient had persistent sinus tachycardia, and epigastric tenderness. Initial labs were unremarkable except for mildly …
Point-Of-Care Ultrasound For The Pediatric Limp, Lucas Friedman Md
Point-Of-Care Ultrasound For The Pediatric Limp, Lucas Friedman Md
Pediatrics
Objectives
- Describe the technique and use of POCUS in the Limping Child
- Describe the use of POCUS in the diagnosis and treatment of Septic arthritis
Severe Bradycardia During A Spinal Cord Stimulator Procedure, Marc Blanchard Md, Ettore Crimi Md, Stephen Pyles Md
Severe Bradycardia During A Spinal Cord Stimulator Procedure, Marc Blanchard Md, Ettore Crimi Md, Stephen Pyles Md
Anesthesiology
We report a case of severe bradycardia during spinal cord implantation. A 43 year old female with a history of chronic refractory lumbar back pain presented for revision of spinal cord stimulator. Preoperative assessment was positive only for bilateral lower extremity radiculopathy. During the procedure, surgeon’s attempt to advance the lead through scar tissue elicited severe bradycardia (HR 28) resolved with glycopyrrolate. Compression of spinal cord secondary to difficult lead placement could be the cause of this cardiovascular event. Anesthesiologists need to be aware that severe bradycardia can occur during spinal cord implantation.
Myofascial Release, Colin S. Hetherington
Myofascial Release, Colin S. Hetherington
Student Publications
Fascia represents an intricate system of connective tissue that permeates throughout the human body. Its matrix of continuous fibers support, protect, divide and suspend both superficial and deep anatomical structures. While once thought to be a passive mesh network, new evidence suggests fascia is much more complicated. Now recognized as an active physiological component of the human body, myofascial health and function has been given much attention clinically. Of the techniques aimed to treat and restore fascial structure and function, myofascial release has been found to promote stability, increase range of motion and most importantly alleviate musculoskeletal pain. This form …
The Next Page Of Yoga Anatomy: An Anatomical Lens On Selected Yoga Asanas, Viana Chau
The Next Page Of Yoga Anatomy: An Anatomical Lens On Selected Yoga Asanas, Viana Chau
Independent Study Project (ISP) Collection
Yoga has become a widely-recognized form of physical activity as well as an effective therapeutic intervention. It is a self-discipling way of life, taking advantage of the powerful effects from the combination of breathing exercises (pranayama), physical postures (asanas), and meditation on calming the nervous system and balancing the mind, body, and spirit. However, over time, the contemporary definition of yoga, especially in the United States, has decreased the emphasis on the religious spirituality component and increased the emphasis on physical activity. Although one may argue that this is not the traditional yoga, this change not only breaks down the …
Conceptualization Of A Parasympathetic Endocrine System., Jonathan Gorky, James Schwaber
Conceptualization Of A Parasympathetic Endocrine System., Jonathan Gorky, James Schwaber
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
We here propose a parasympathetic endocrine system (PES) comprised of circulating peptides released from secretory cells in the gut, significantly modulated by vagal projections from the dorsal motor nucleus of the vagus (DMV). While most of these gut peptides mediate well-described satiety and digestive effects that increase parasympathetic control of digestion (Lee et al., 1994; Gutzwiller et al., 1999; Klok et al., 2007), they also have actions that are far-reaching and increase parasympathetic signaling broadly throughout the body. The actions beyond satiety that peptides like somatostatin, cholecystokinin, glucagon-like peptide 1, and vasoactive intestinal peptide have been well-examined, but not in …
Ankle And Midtarsal Joint Quasi-Stiffness During Walking With Added Mass, Andrew M. Kern, Nikolaos Papachatzis, Jeffrey M. Patterson, Dustin A. Bruening, Kota Z. Takahashi
Ankle And Midtarsal Joint Quasi-Stiffness During Walking With Added Mass, Andrew M. Kern, Nikolaos Papachatzis, Jeffrey M. Patterson, Dustin A. Bruening, Kota Z. Takahashi
Journal Articles
Examination of how the ankle and midtarsal joints modulate stiffness in response to increased force demand will aid understanding of overall limb function and inform the development of bio-inspired assistive and robotic devices. The purpose of this study is to identify how ankle and midtarsal joint quasi-stiffness are affected by added body mass during over-ground walking. Healthy participants walked barefoot over-ground at 1.25 m/s wearing a weighted vest with 0%, 15% and 30% additional body mass. The effect of added mass was investigated on ankle and midtarsal joint range of motion (ROM), peak moment and quasi-stiffness. Joint quasi-stiffness was broken …
The Effects Of Therapeutic Riding On Social Skills And Sensory Functioning In Children With Autism, Betsy Donahoe-Fillmore, Mary Insana Fisher, Christy Lee, Jordan Bevins, Cristin Carter, Stephanie Dailey, Kelsey Haynes, Allison Richard, Sarah Soboslay
The Effects Of Therapeutic Riding On Social Skills And Sensory Functioning In Children With Autism, Betsy Donahoe-Fillmore, Mary Insana Fisher, Christy Lee, Jordan Bevins, Cristin Carter, Stephanie Dailey, Kelsey Haynes, Allison Richard, Sarah Soboslay
Physical Therapy Faculty Publications
Purpose and Significance: Therapeutic riding (TR) is equine-assisted riding lessons that are adapted for people with a wide variety of impairments and is often used as an adjunct to traditional therapies. Previous research has shown that TR helped to improve sensory functioning, cognition and social skills in children with Autism Spectrum Disorder (ASD) but sessions have typically been for 10-12 weeks. The purpose of this study was to investigate if social skills and sensory functioning improved after only 8 weeks of TR.
Subjects: Children were recruited from a local TR center. Participants included seven children (5M, 2F) with a diagnosis …
Three-Dimensional Visualization Software Assists Learning In Students With Diverse Spatial Intelligence In Medical Education, Zehra Jamil, Amna A. Saeed, Sarosh Madhani, Safia Baig, Zahra Cheema, Syeda Sadia Fatima
Three-Dimensional Visualization Software Assists Learning In Students With Diverse Spatial Intelligence In Medical Education, Zehra Jamil, Amna A. Saeed, Sarosh Madhani, Safia Baig, Zahra Cheema, Syeda Sadia Fatima
Department of Biological & Biomedical Sciences
This study evaluated effect of mental rotation (MR) training on learning outcomes and explored effectiveness of teaching via three-dimensional (3D) software among medical students with diverse spatial intelligence. Data from n = 67 student volunteers were included. A preliminary test was conducted to obtain baseline level of MR competency and was utilized to assign participants to two experimental conditions, i.e., trained group (n = 25) and untrained group (n = 42). Data on the effectiveness of training were collected to measure participants' speed and accuracy in performing various MR activities. Six weeks later, a large class format (LCF) session was …
Effects Of Obesity And Fall Risk On Gait And Posture Of Community-Dwelling Older Adults, Thurmon E. Lockhart, Christopher W. Frames, Rahul Soangra, Abraham Lieberman
Effects Of Obesity And Fall Risk On Gait And Posture Of Community-Dwelling Older Adults, Thurmon E. Lockhart, Christopher W. Frames, Rahul Soangra, Abraham Lieberman
Physical Therapy Faculty Articles and Research
Epidemiological studies link increased fall risk to obesity in older adults, but the mechanism through which obesity increases falls and fall risks is unknown. This study investigates if obesity (Body Mass Index: BMI>30 kg/m2) influenced gait and standing postural characteristics of community dwelling older adults leading to increased risk of falls. One hundred healthy older adults (age 74.0±7.6 years, range of 56-90 years) living independently in a community participated in this study. Participants’ history of falls over the previous two years was recorded, with emphasis on frequency and characteristics of falls. Participants with at least two falls in the …
Fetal Pig Dissection Manual (Biol 105), Nathalia G. Holtzman, Daniel J. Yakubov
Fetal Pig Dissection Manual (Biol 105), Nathalia G. Holtzman, Daniel J. Yakubov
Open Educational Resources
This book is a guide to the basic fetal pig dissection conducted as a part of the Queens College, CUNY Biology Department Bio105 General Biology: Physiology and Cell Biology course. This course is the first half our two-part series for biology majors. The actives are designed to be conducted over a three- 3-hour lab periods which focus on the relationship of form and function of the pig anatomy and physiology. Step by step instructions for the dissection are provided along with some microscopy tasks to look at the histology of key organs.
In addition to the full text of the …
Recent Trends, Current Research In Cyberpsychology: A Literature Review, Amarjit Kumar Singh, Pawan Kumar Singh
Recent Trends, Current Research In Cyberpsychology: A Literature Review, Amarjit Kumar Singh, Pawan Kumar Singh
Library Philosophy and Practice (e-journal)
Cyberpsychology refers to the study of the mind and behavior in the context of interactions with technology. It is an emerging branch, which has focused on the psychological aspects connected to the increasing presence and usages of technology in modern lives. This paper traces recent advancement and trends of Cyberpsychology is an emerging domain of knowledge and goes on the give a literature review of the same. An analysis of the recent research and literature covering 300 most relevant research papers from the period of 2012 to 15, August 2019 was conducted to determine and shape the research pattern based …
There Is No Association Between The Number Of Stent Retriever Passes And The Incidence Of Hemorrhagic Transformation For Patients Undergoing Mechanical Thrombectomy, Ameer E. Hassan, Hari Kotta, Umar Shariff, Laurie Preston, Wondwossen G. Tekle, Adnan Qureshi
There Is No Association Between The Number Of Stent Retriever Passes And The Incidence Of Hemorrhagic Transformation For Patients Undergoing Mechanical Thrombectomy, Ameer E. Hassan, Hari Kotta, Umar Shariff, Laurie Preston, Wondwossen G. Tekle, Adnan Qureshi
School of Medicine Publications and Presentations
Background: Previous research has focused on the association between hemorrhagic transformation (HT) incidence and pre-procedural variables (i.e., baseline variables) rather than the association between HT incidence and endovascular treatment (EVT) procedural variables (e.g., stent retriever passes).
Objective: To assess the association, if any, that exists between the number of stent retriever passes per procedure and the incidence of HT for patients undergoing mechanical thrombectomy.
Methods: An endovascular database from a comprehensive stroke center was used to collect data on EVT patients treated with Trevo, Solitaire, or Penumbra stent retrievers from the years 2012 to 2017. Statistical analyses were conducted on …
Endothelial Iqgap1 Regulates Leukocyte Transmigration By Directing The Lbrc To The Site Of Diapedesis, David P. Sullivan, Prarthana J. Dalal, Fanny Jaulin, David B. Sacks, Geri Kreitzer, William A. Muller
Endothelial Iqgap1 Regulates Leukocyte Transmigration By Directing The Lbrc To The Site Of Diapedesis, David P. Sullivan, Prarthana J. Dalal, Fanny Jaulin, David B. Sacks, Geri Kreitzer, William A. Muller
Publications and Research
Transendothelial migration (TEM) of leukocytes across the endothelium is critical for inflammation. In the endothelium, TEM requires the coordination of membrane movements and cytoskeletal interactions, including, prominently, recruitment of the lateral border recycling compartment (LBRC). The scaffold protein IQGAP1 was recently identified in a screen for LBRC-interacting proteins. Knockdown of endothelial IQGAP1 disrupted the directed movement of the LBRC and substantially reduced leukocyte TEM. Expression of truncated IQGAP1 constructs demonstrated that the calponin homology domain is required for IQGAP1 localization to endothelial borders and that the IQ domain, on the same IQGAP1 polypeptide, is required for its function in TEM. …
Virtual Dissection Of White Matter Tracts In A Human Brain Using Applied Game Design And Virtual Reality Imaging, Basil Lim, Anurag Nasa, Nicola Carswell, Elena Roman, Malia Kissner, Darren W. Roddy, Veronika O'Keane, James Carswell
Virtual Dissection Of White Matter Tracts In A Human Brain Using Applied Game Design And Virtual Reality Imaging, Basil Lim, Anurag Nasa, Nicola Carswell, Elena Roman, Malia Kissner, Darren W. Roddy, Veronika O'Keane, James Carswell
Other
Visualisation of neural tracts in the human brain has previously been accomplished using two dimensional (2D) representational formats. In most cases, pre-operative visualisation is through the medium of 2D MRI image slices, representing coordinates in the brain through a combination of axial, sagittal, and coronal orthographic viewpoints. Software such as ExploreDTI can visualise off-axis viewpoints, however this method is limited to 2.5D image representations. The use of such 2D representations can require significant training in order to contextualise real-world 3D positions and accurately locate and identify neural tract pathways in the brain. Utilising anonymised tract data and advanced neuroimaging technologies …
Text Messaging For Disease Monitoring In Childhood Nephrotic Syndrome., Chia-Shi Wang, Jonathan P. Troost, Larry A. Greenbaum, Tarak Srivastava, Kimberly Reidy, Keisha Gibson, Howard Trachtman, John D. Piette, Christine B. Sethna, Kevin Meyers, Katherine M. Dell, Cheryl L. Tran, Suzanne Vento, Krishna Kallem, Emily Herreshoff, Sangeeta Hingorani, Kevin Lemley, Gia Oh, Elizabeth Brown, Jen-Jar Lin, Frederick Kaskel, Debbie S. Gipson
Text Messaging For Disease Monitoring In Childhood Nephrotic Syndrome., Chia-Shi Wang, Jonathan P. Troost, Larry A. Greenbaum, Tarak Srivastava, Kimberly Reidy, Keisha Gibson, Howard Trachtman, John D. Piette, Christine B. Sethna, Kevin Meyers, Katherine M. Dell, Cheryl L. Tran, Suzanne Vento, Krishna Kallem, Emily Herreshoff, Sangeeta Hingorani, Kevin Lemley, Gia Oh, Elizabeth Brown, Jen-Jar Lin, Frederick Kaskel, Debbie S. Gipson
Manuscripts, Articles, Book Chapters and Other Papers
Introduction: There is limited information on effective disease monitoring for prompt interventions in childhood nephrotic syndrome. We examined the feasibility and effectiveness of a novel text messaging system (SMS) for disease monitoring in a multicenter, prospective study.
Methods: A total of 127 patientsresults, symptoms, and medication adherence were sent to a designated caregiver (n = 116) or adolescent patient (n = 3). Participants responded by texting. Feasibility of SMS was assessed by SMS adoption, retention, and engagement, and concordance between participant-reported results and laboratory/clinician assessments. The number of disease relapses and time-to-remission data captured by SMS were compared …
Nuclear Magnetic Resonance Solution Structure And Functional Behavior Of The Human Proton Channel, Monika Bayrhuber, Innokentiy Maslennikov, Witek Kwiatkowski, Alexander Sobol, Christoph Wierschem, Cédric Eichmann, Lukas Frey, Roland Riek
Nuclear Magnetic Resonance Solution Structure And Functional Behavior Of The Human Proton Channel, Monika Bayrhuber, Innokentiy Maslennikov, Witek Kwiatkowski, Alexander Sobol, Christoph Wierschem, Cédric Eichmann, Lukas Frey, Roland Riek
Pharmacy Faculty Articles and Research
The human voltage-gated proton channel [Hv1(1) or VSDO(2)] plays an important role in the human innate immune system. Its structure differs considerably from those of other cation channels. It is built solely of a voltage-sensing domain and thus lacks the central pore domain, which is essential for other cation channels. Here, we determined the solution structure of an N- and C-terminally truncated human Hv1 (Δ-Hv1) in the resting state by nuclear magnetic resonance (NMR) spectroscopy. Δ-Hv1 comprises the typical voltage-sensing antiparallel four-helix bundle (S1–S4) preceded by an amphipathic helix (S0). The solution structure corresponds to an intermediate …
The Late Stage Of Copi Vesicle Fission Requires Shorter Forms Of Phosphatidic Acid And Diacylglycerol, Seung-Yeol Park, Jia-Shu Yang, Zhen Li, Pan Deng, Xiaohong Zhu, David Young, Maria Ericsson, Ruben L. H. Andringa, Adriaan J. Minnaard, Chunmei Zhu, Fei Sun, D. Branch Moody, Andrew J. Morris, Jun Fan, Victor W. Hsu
The Late Stage Of Copi Vesicle Fission Requires Shorter Forms Of Phosphatidic Acid And Diacylglycerol, Seung-Yeol Park, Jia-Shu Yang, Zhen Li, Pan Deng, Xiaohong Zhu, David Young, Maria Ericsson, Ruben L. H. Andringa, Adriaan J. Minnaard, Chunmei Zhu, Fei Sun, D. Branch Moody, Andrew J. Morris, Jun Fan, Victor W. Hsu
Internal Medicine Faculty Publications
Studies on vesicle formation by the Coat Protein I (COPI) complex have contributed to a basic understanding of how vesicular transport is initiated. Phosphatidic acid (PA) and diacylglycerol (DAG) have been found previously to be required for the fission stage of COPI vesicle formation. Here, we find that PA with varying lipid geometry can all promote early fission, but only PA with shortened acyl chains promotes late fission. Moreover, diacylglycerol (DAG) acts after PA in late fission, with this role of DAG also requiring shorter acyl chains. Further highlighting the importance of the short-chain lipid geometry for late fission, we …