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Articles 16921 - 16950 of 21755
Full-Text Articles in Medicine and Health Sciences
Immune- And Nonimmune-Compartment-Specific Interferon Responses Are Critical Determinants Of Herpes Simplex Virus-Induced Generalized Infections And Acute Liver Failure, Zachary M. Parker, Tracy Jo Pasieka, George A. Parker, David A. Leib
Immune- And Nonimmune-Compartment-Specific Interferon Responses Are Critical Determinants Of Herpes Simplex Virus-Induced Generalized Infections And Acute Liver Failure, Zachary M. Parker, Tracy Jo Pasieka, George A. Parker, David A. Leib
Dartmouth Scholarship
The interferon (IFN) response to viral pathogens is critical for host survival. In humans and mouse models, defects in IFN responses can result in lethal herpes simplex virus 1 (HSV-1) infections, usually from encephalitis. Although rare, HSV-1 can also cause fulminant hepatic failure, which is often fatal. Although herpes simplex encephalitis has been extensively studied, HSV-1 generalized infections and subsequent acute liver failure are less well understood. We previously demonstrated that IFN-αβγR-/- mice are exquisitely susceptible to liver infection following corneal infection with HSV-1. In this study, we used bone marrow chimeras of IFN-αβγR-/- (AG129) and wild-type (WT; 129SvEv) mice …
Advances And Perspectives In Genetics Of Congenital Thyroid Disorders, Héctor M. Targovnik, Cintia E. Citterio, Sofi Siff, Carina M. Rivolta
Advances And Perspectives In Genetics Of Congenital Thyroid Disorders, Héctor M. Targovnik, Cintia E. Citterio, Sofi Siff, Carina M. Rivolta
Pharmacy Faculty Articles and Research
"Congenital hypothyroidism (CH) is the most frequent endocrine disease in infants, affects about 1 in 3,000 newborns and is characterized by elevated levels of thyroidstimulating hormone (TSH) as a consequence of reduced thyroid function. It is also one of the most common preventable causes of cognitive and motor deficits. Prevention of CH is based on carrier identification, genetic counseling and prenatal diagnosis. In neonates a complete diagnosis of CH should include clinical examination, biochemical thyroid tests, thyroid ultrasound, radioiodine or technetium scintigraphy and perchlorate discharge test (PDT). In the last two decades, considerable progress has been made in identifying the …
Gastrointestinal Stromal Tumor (Gist) Of The Treitz’S Angle– A Very Rare Cause Of High Bowel Obstruction, Mădălina Elena Tobă, Dan Florin Ungureanu, Lota Corina Georgescu, Traian Pătraşcu
Gastrointestinal Stromal Tumor (Gist) Of The Treitz’S Angle– A Very Rare Cause Of High Bowel Obstruction, Mădălina Elena Tobă, Dan Florin Ungureanu, Lota Corina Georgescu, Traian Pătraşcu
Journal of Mind and Medical Sciences
Gastrointestinal stromal tumors (GIST) are somewhat rare gastrointestinal tumors - approximately 1% to 3% incidence, but they are the most common mesenchymal neoplasms of the gastrointestinal tract. GISTs are usually found in the stomach or small intestine but can occur anywhere within the gastrointestinal tract, even in extremely uncommon locations like duodeno-jejunal flexure. Only 3% – 5% of GISTs are located in the duodenum and tumors occurring in the angle of Treitz are even rarer, most published studies being case reports. These tumors have a size ranging from small lesions to large masses and can cause digestive bleeding or high …
Helicobacter Pylori: Types Of Diseases, Diagnosis, Treatment And Causes Of Therapeutic Failure, Cosmin Vasile Obleaga, Cristin Constantin Vere, Ionica Daniel Valcea, Mihai Calin Ciorbagiu, Emil Moraru, Cecil Sorin Mirea
Helicobacter Pylori: Types Of Diseases, Diagnosis, Treatment And Causes Of Therapeutic Failure, Cosmin Vasile Obleaga, Cristin Constantin Vere, Ionica Daniel Valcea, Mihai Calin Ciorbagiu, Emil Moraru, Cecil Sorin Mirea
Journal of Mind and Medical Sciences
Acute upper gastrointestinal lesions have a multifactorial etiology but, regardless of the cause, they are related to mucosal barrier destruction. Since Helicobacter pylori induces a superficial chronic gastritis with the infiltration of neutrophils in the mucosa, it was speculated that Helicobacter pylori infection could also cause bleeding lesions. The diagnosis, the proper treatment and the revaluation of its effectiveness actually represent the prophylaxis of some diseases such as peptic ulcer, gastric lymphoma or mucosa-associated lymphoid tissue (MALT) and gastric cancer. These diseases and their severe complications are life-threatening for the patient. Periodic renewal of the treatment and knowing the real …
Vulvodynia; An Under-Recognized Disease, Simona Roxana Georgescu, Cristina I. Mitran, Mădălina I. Mitran, Maria I. Sârbu, Mircea Tampa
Vulvodynia; An Under-Recognized Disease, Simona Roxana Georgescu, Cristina I. Mitran, Mădălina I. Mitran, Maria I. Sârbu, Mircea Tampa
Journal of Mind and Medical Sciences
Vulvodynia is a chronic condition which affects an increasing number of women; it presents currently an incidence that is higher than had previously been estimated. Regarding pathogenesis, several (hormonal, infectious, inflammatory and psychological) factors have been proposed, but vulvodynia etiology remains still unclear. This disorder is a multifactorial condition with a significant impact on the patient’s quality of life, yet is difficult to diagnose (an under-estimated/ under-recognized affection). Certain medical investigations are required in order to exclude other diseases (the diagnosis of vulvodynia being one of exclusion), but anamnesis and physical examination are essential steps in the diagnosis.
Although many …
The Current Treatment Of Erectile Dysfunction, Maria Isabela Sarbu, Mircea Tampa, Mădălina I. Mitran, Cristina I. Mitran, Vasile Benea, Simona R. Georgescu
The Current Treatment Of Erectile Dysfunction, Maria Isabela Sarbu, Mircea Tampa, Mădălina I. Mitran, Cristina I. Mitran, Vasile Benea, Simona R. Georgescu
Journal of Mind and Medical Sciences
Erectile dysfunction (ED) is the inability to achieve and maintain an erection sufficient for satisfactory sexual intercourse. It is the most frequent sexual dysfunction in elderly men and its prevalence increases with age.
Ever since ED was recognized as a real health problem, several treatment options became available and some of them proved to be very efficient. PDE5 inhibitors are the mainstay treatment of ED.
However, other treatment options such as intracorporal injections, surgery, vacuum devices and prosthesis are also available for patients who are unresponsive to PDE5 inhibitors. Since none of the treatment options available so far has proven …
The Postfinasteride Syndrome; An Overview, David L. Rowland, Ion G. Motofei, Florian Popa, Vlad D. Constantin, Adriana Vasilache, Ioana Păunică, Cristian Bălălău, Georgeta P. Păunică, Petrisor Banu, Stana Păunică
The Postfinasteride Syndrome; An Overview, David L. Rowland, Ion G. Motofei, Florian Popa, Vlad D. Constantin, Adriana Vasilache, Ioana Păunică, Cristian Bălălău, Georgeta P. Păunică, Petrisor Banu, Stana Păunică
Journal of Mind and Medical Sciences
As a 5-α reductase inhibitor, Finasteride has proven effective in ameliorating two conditions documented to be androgen dependent, namely male androgenic alopecia and benign prostatic hyperplasia. Therapeutic results are maintained as long as the drug is administered, with treatment cessation generally leading to the return of symptomatology for each condition. In addition, during the therapeutic phase, several adverse effects have been reported, some of which persist long or indefinitely after treatment cessation, known as “post-finasteride syndrome.”
Herein we present and discuss the most common finasteride side effects, along with a psycho-neuroendocrine rationale that could explain the persistence of many adverse …
Presence Of A Prophage Determines Temperature-Dependent Capsule Production In Streptococcus Pyogenes., Leslie Brown, Jeong-Ho Kim, Kyu Hong Cho
Presence Of A Prophage Determines Temperature-Dependent Capsule Production In Streptococcus Pyogenes., Leslie Brown, Jeong-Ho Kim, Kyu Hong Cho
Biochemistry and Molecular Medicine Faculty Publications
A hyaluronic acid capsule is a major virulence factor in the pathogenesis of Streptococcus pyogenes. It acts as an anti-phagocytic agent and adhesin to keratinocytes. The expression of the capsule is primarily regulated at the transcriptional level by the two-component regulatory system CovRS, in which CovR acts as a transcriptional repressor. The covRS genes are frequently mutated in many invasive strains, and a subset of the invasive CovRS mutants does not produce a detectable level of the capsule at 37 °C, but produces a significant amount of the capsule at sub-body temperatures. Here, we report that a prophage has a …
Does Persistent Hiv Replication Explain Continued Lymphoma Incidence In The Era Of Effective Antiretroviral Therapy?, Jennifer Totonchy, Ethel Cesarman
Does Persistent Hiv Replication Explain Continued Lymphoma Incidence In The Era Of Effective Antiretroviral Therapy?, Jennifer Totonchy, Ethel Cesarman
Pharmacy Faculty Articles and Research
Non-Hodgkin lymphomas are highly increased in incidence in individuals infected with HIV, and this continues to be the case in spite of highly effective combined antiretroviral therapy (cART). New evidence has demonstrated that while successful virtual recovery of CD4 counts and elimination of HIV from peripheral blood can be achieved with cART, viral replication can still occur in lymphoid tissues. In addition, recent studies have suggested that adipose tissue provides an additional reservoir for HIV-infected macrophages and T lymphocytes even in the context of successful cART therapy. In this review article, we discuss possible mechanisms leading to the development of …
Glycemic Variability Predicts Inflammation In Adolescents With Type 1 Diabetes, Robert P. Hoffman, Amanda S. Dye, Hong Huang, John A. Bauer
Glycemic Variability Predicts Inflammation In Adolescents With Type 1 Diabetes, Robert P. Hoffman, Amanda S. Dye, Hong Huang, John A. Bauer
Pediatrics Faculty Publications
Background: Adolescents with type 1 diabetes (T1D) have increased risk of cardiovascular disease as well as elevations in biomarkers of systemic inflammation, plasma protein oxidation and vascular endothelial injury. It is unclear whether hyperglycemia itself, or variations in blood glucose are predictors of these abnormalities.
Methods: This study was designed to determine the relationship of inflammatory (C-reactive protein, CRP), oxidative (total anti-oxidative capacity, TAOC) and endothelial injury (soluble intracellular adhesion molecule 1, sICAM1) markers to glycemic control measures from 3 days of continuous glucose monitoring (CGM) and to hemoglobin A1c (HbA1c), and HbA1c×duration area under …
Reduced Efficacy Of Anti-AΒ Immunotherapy In A Mouse Model Of Amyloid Deposition And Vascular Cognitive Impairment Comorbidity, Erica M. Weekman, Tiffany L. Sudduth, Carly N. Caverly, Timothy J. Kopper, Oliver W. Phillips, David K. Powell, Donna M. Wilcock
Reduced Efficacy Of Anti-AΒ Immunotherapy In A Mouse Model Of Amyloid Deposition And Vascular Cognitive Impairment Comorbidity, Erica M. Weekman, Tiffany L. Sudduth, Carly N. Caverly, Timothy J. Kopper, Oliver W. Phillips, David K. Powell, Donna M. Wilcock
Sanders-Brown Center on Aging Faculty Publications
Vascular cognitive impairment and dementia (VCID) is the second most common form of dementia behind Alzheimer's disease (AD). It is estimated that 40% of AD patients also have some form of VCID. One promising therapeutic for AD is anti-Aβ immunotherapy, which uses antibodies against Aβ to clear it from the brain. While successful in clearing Aβ and improving cognition in mice, anti-Aβ immunotherapy failed to reach primary cognitive outcomes in several different clinical trials. We hypothesized that one potential reason the anti-Aβ immunotherapy clinical trials were unsuccessful was due to this high percentage of VCID …
Letter To The Editor: Restarting Warfarin After A Gastrointestinal Bleed, Lauren Smith
Letter To The Editor: Restarting Warfarin After A Gastrointestinal Bleed, Lauren Smith
Clinical Research in Practice: The Journal of Team Hippocrates
This letter addresses the dilemma of restarting anticoagulation after recent gastrointestinal bleeding.
There Is A Trend Favoring Vancomycin Vs. Metronidazole In Treating Severe C. Difficile Infection, Dean D. Fouchia
There Is A Trend Favoring Vancomycin Vs. Metronidazole In Treating Severe C. Difficile Infection, Dean D. Fouchia
Clinical Research in Practice: The Journal of Team Hippocrates
A critical appraisal and clinical application of Johnson S, Louie TJ, Gerding DN, et al. Vancomycin, metronidazole, or tolevamer for Clostridium difficile infection: results from two multinational, randomized, controlled trials. Clin Infect Dis. 2014;59(3):345-354. doi: 10.1093/cid/ciu313
Dreams For A Better Future: An Opportunity We Huntington's Disease People And Our Families Are Denied, Kenneth P. Serbin
Dreams For A Better Future: An Opportunity We Huntington's Disease People And Our Families Are Denied, Kenneth P. Serbin
At Risk for Huntington's Disease
No abstract provided.
Economic Impact Of Moderate-Vigorous Physical Activity Among Those With And Without Established Cardiovascular Disease: 2012 Medical Expenditure Panel Survey, Javier Valero-Elizondo, Joseph A. Salami, Chukwuemeka U. Osondu, Oluseye Ogunmoroti, Alejandro Arrieta, Erica S. Spatz, Adnan Younus, Jamal S. Rana, Salim S. Virani, Ron Blankstein
Economic Impact Of Moderate-Vigorous Physical Activity Among Those With And Without Established Cardiovascular Disease: 2012 Medical Expenditure Panel Survey, Javier Valero-Elizondo, Joseph A. Salami, Chukwuemeka U. Osondu, Oluseye Ogunmoroti, Alejandro Arrieta, Erica S. Spatz, Adnan Younus, Jamal S. Rana, Salim S. Virani, Ron Blankstein
Office of the Provost
Background: Physical activity (PA) has an established favorable impact on cardiovascular disease (CVD) outcomes and quality of life. In this study, we aimed to estimate the economic effect of moderate-vigorous PA on medical expenditures and utilization from a nationally representative cohort with and without CVD.
Methods and results: The 2012 Medical Expenditure Panel Survey data were analyzed. Our study population was limited to noninstitutionalized US adults ≥18 years of age. Variables of interest included CVD (coronary artery disease, stroke, heart failure, dysrhythmias, or peripheral artery disease) and cardiovascular modifiable risk factors (CRFs; hypertension, diabetes mellitus, hypercholesterolemia, smoking, and/or obesity). Two-part …
Analysis Of Heteroplasmic Variants In The Cardiac Mitochondrial Genome Of Individuals With Down Syndrome, Erik Hefti, Jonathan Bard, Javier G. Blanco
Analysis Of Heteroplasmic Variants In The Cardiac Mitochondrial Genome Of Individuals With Down Syndrome, Erik Hefti, Jonathan Bard, Javier G. Blanco
Harrisburg University Faculty Works
Individuals with Down syndrome (DS, trisomy 21) exhibit a pro-oxidative cellular environment as well as mitochondrial dysfunction. Increased oxidative stress may damage the mitochondrial DNA (mtDNA). The coexistence of mtDNA variants in a cell or tissue (i.e., heteroplasmy) may contribute to mitochondrial dysfunction. Given the evidence on mitochondrial dysfunction and the relatively high incidence of multiorganic disorders associated with DS, we hypothesized that cardiac tissue from subjects with DS may exhibit higher frequencies of mtDNA variants in comparison to cardiac tissue from donors without DS. This study documents the analysis of mtDNA variants in heart tissue samples from donors with …
Respiratory Rate Variability In Sleeping Adults Without Obstructive Sleep Apnea, Guillermo Gutierrez, Jeffrey Williams, Ghadah Alrehaili, Anna Mclean, Ramin Pirouz, Richard L. Amdur, Vivek Jain, Jalil Ahari, Amandeep Bawa, Shawn Kimbro
Respiratory Rate Variability In Sleeping Adults Without Obstructive Sleep Apnea, Guillermo Gutierrez, Jeffrey Williams, Ghadah Alrehaili, Anna Mclean, Ramin Pirouz, Richard L. Amdur, Vivek Jain, Jalil Ahari, Amandeep Bawa, Shawn Kimbro
Surgery Faculty Publications
Characterizing respiratory rate variability (RRV) in humans during sleep is challenging, since it requires the analysis of respiratory signals over a period of several hours. These signals are easily distorted by movement and volitional inputs. We applied the method of spectral analysis to the nasal pressure transducer signal in 38 adults with no obstructive sleep apnea, defined by an apnea‐hypopnea index <5, who underwent all‐night polysomnography (PSG). Our aim was to detect and quantitate RRV during the various sleep stages, including wakefulness. The nasal pressure transducer signal was acquired at 100 Hz and consecutive frequency spectra were generated for the length of the PSG with the Fast Fourier Transform. For each spectrum, we computed the amplitude ratio of the first harmonic peak to the zero frequency peak (H1/DC), and defined as RRV as (100 − H1/DC) %. RRV was greater during wakefulness compared to any sleep stage, including rapid‐eye‐movement. Furthermore, RRV correlated with the depth of sleep, being lowest during N3. Patients spent most their sleep time supine, but we found no correlation between RRV and body position. There was a correlation between respiratory rate and sleep stage, being greater in wakefulness than in any sleep stage. We conclude that RRV varies according to sleep stage. Moreover, spectral analysis of nasal pressure signal appears to provide a valid measure of RRV during sleep. It remains to be seen if the method can differentiate normal from pathological sleep patterns.
The Global Economic And Health Burden Of Human Hookworm Infection., Sarah M Bartsch, Peter J. Hotez, Lindsey Asti, Kristina M Zapf, Maria Elena Bottazzi, David J. Diemert, Bruce Y Lee
The Global Economic And Health Burden Of Human Hookworm Infection., Sarah M Bartsch, Peter J. Hotez, Lindsey Asti, Kristina M Zapf, Maria Elena Bottazzi, David J. Diemert, Bruce Y Lee
Microbiology, Immunology, and Tropical Medicine Faculty Publications
BACKGROUND: Even though human hookworm infection is highly endemic in many countries throughout the world, its global economic and health impact is not well known. Without a better understanding of hookworm's economic burden worldwide, it is difficult for decision makers such as funders, policy makers, disease control officials, and intervention manufacturers to determine how much time, energy, and resources to invest in hookworm control.
METHODOLOGY/PRINCIPLE FINDINGS: We developed a computational simulation model to estimate the economic and health burden of hookworm infection in every country, WHO region, and globally, in 2016 from the societal perspective. Globally, hookworm infection resulted in …
Microfluidic Platform For Electrophysiological Recordings From Host-Stage Hookworm And Ascaris Suum Larvae: A New Tool For Anthelmintic Research, Janis Weeks, William Roberts, Kristin Robinson, Melissa Keaney, Jon Vermiere, Joseph Urban, Shawn Lockery, John M. Hawdon
Microfluidic Platform For Electrophysiological Recordings From Host-Stage Hookworm And Ascaris Suum Larvae: A New Tool For Anthelmintic Research, Janis Weeks, William Roberts, Kristin Robinson, Melissa Keaney, Jon Vermiere, Joseph Urban, Shawn Lockery, John M. Hawdon
Microbiology, Immunology, and Tropical Medicine Faculty Publications
The screening of candidate compounds and natural products for anthelmintic activity is important for discovering new drugs against human and animal parasites. We previously validated in Caenorhabditis elegans a microfluidic device (‘chip’) that records non-invasively the tiny electrophysiological signals generated by rhythmic contraction (pumping) of the worm's pharynx. These electropharyngeograms (EPGs) are recorded simultaneously from multiple worms per chip, providing a medium-throughput readout of muscular and neural activity that is especially useful for compounds targeting neurotransmitter receptors and ion channels. Microfluidic technologies have transformedC. elegans research and the goal of the current study was to validate hookworm andAscaris …
Airway Secretory Micrornaome Changes During Rhinovirus Infection In Early Childhood., M. Gutierrez, J. Gomez, Geovanny Perez, Krishna Pancham, Dinesh K. Pillai, M. Giri, S. Ferrante, Robert J. Freishtat, Mary C. Rose, Diego A. Preciado, Gustavo Nino
Airway Secretory Micrornaome Changes During Rhinovirus Infection In Early Childhood., M. Gutierrez, J. Gomez, Geovanny Perez, Krishna Pancham, Dinesh K. Pillai, M. Giri, S. Ferrante, Robert J. Freishtat, Mary C. Rose, Diego A. Preciado, Gustavo Nino
Pediatrics Faculty Publications
BACKGROUND:
Innate immune responses are fine-tuned by small noncoding RNA molecules termed microRNAs (miRs) that modify gene expression in response to the environment. During acute infections, miRs can be secreted in extracellular vesicles (EV) to facilitate cell-to-cell genetic communication. The purpose of this study was to characterize the baseline population of miRs secreted in EVs in the airways of young children (airway secretory microRNAome) and examine the changes during rhinovirus (RV) infection, the most common cause of asthma exacerbations and the most important early risk factor for the development of asthma beyond childhood.
METHODS:
Nasal airway secretions were obtained from …
Role Of Diffusion Tensor Imaging In Prognostication And Treatment Monitoring In Niemann-Pick Disease Type C1, Meghann Lau, Ryan Lee, Robin Miyamoto, Eun Sol Jung, Nicole Farhat, Shoko Yoshida, Susumu Mori, Andrea L. Gropman, Eva Baker, Forbes Porter
Role Of Diffusion Tensor Imaging In Prognostication And Treatment Monitoring In Niemann-Pick Disease Type C1, Meghann Lau, Ryan Lee, Robin Miyamoto, Eun Sol Jung, Nicole Farhat, Shoko Yoshida, Susumu Mori, Andrea L. Gropman, Eva Baker, Forbes Porter
Neurology Faculty Publications
Niemann-Pick Disease, type C1 (NPC1) is a rapidly progressive neurodegenerative disorder characterized by cholesterol sequestration within late endosomes and lysosomes, for which no reliable imaging marker exists for prognostication and management. Cerebellar volume deficits are found to correlate with disease severity and diffusion tensor imaging (DTI) of the corpus callosum and brainstem, which has shown that microstructural disorganization is associated with NPC1 severity. This study investigates the utility of cerebellar DTI in clinical severity assessment. We hypothesize that cerebellar volume, fractional anisotropy (FA) and mean diffusivity (MD) negatively correlate with NIH NPC neurological severity score (NNSS) and motor severity subscores. …
Irisin Lowers Blood Pressure By Improvement Of Endothelial Dysfunction Via Ampk‐Akt‐Enos‐No Pathway In The Spontaneously Hypertensive Rat, Jinjuan Fu, Yu Han, Jialiang Wang, Yukai Liu, Shuo Zeng, Lin Zhou, Pedro A. Jose, Chunyu Zeng
Irisin Lowers Blood Pressure By Improvement Of Endothelial Dysfunction Via Ampk‐Akt‐Enos‐No Pathway In The Spontaneously Hypertensive Rat, Jinjuan Fu, Yu Han, Jialiang Wang, Yukai Liu, Shuo Zeng, Lin Zhou, Pedro A. Jose, Chunyu Zeng
Medicine Faculty Publications
Background Exercise is a major nonpharmacological treatment for hypertension, but its underlying mechanisms are still not completely elucidated. Irisin, a polypeptide containing 112 amino acids, which is secreted mainly by skeletal muscle cells during exercise, exerts a protective role in metabolic diseases, such as diabetes mellitus and obesity. Because of the close relationship between irisin and metabolic diseases, we hypothesized that irisin may play a role in the regulation of blood pressure.
Methods and Results Blood pressures of male Wistar‐Kyoto (WKY) rats and spontaneously hypertensive rats (SHRs) were monitored through the carotid artery. Our study found that acute intravenous injection …
Changing Diagnostic Methods And Increased Detection Of Verotoxigenic Escherichia Coli, Ireland, Thomas Rice, Noreen Quinn, Roy D. Sleator, Brigid Lucey
Changing Diagnostic Methods And Increased Detection Of Verotoxigenic Escherichia Coli, Ireland, Thomas Rice, Noreen Quinn, Roy D. Sleator, Brigid Lucey
Department of Biological Sciences Publications
The recent paradigm shift in infectious disease diagnosis from culture-based to molecular-based approaches is exemplified in the findings of a national study assessing the detection of verotoxigenic Escherichia coli infections in Ireland. The methodologic changes have been accompanied by a dramatic increase in detections of non-O157 verotoxigenic E. coli serotypes.
Insights Into The Molecular Roles Of Heparan Sulfate Proteoglycans (Hspgs-Syndecans) In Autocrine And Paracrine Growth Factor Signaling In The Pathogenesis Of Hodgkin's Lymphoma, Rajendra Ghardbaran
Insights Into The Molecular Roles Of Heparan Sulfate Proteoglycans (Hspgs-Syndecans) In Autocrine And Paracrine Growth Factor Signaling In The Pathogenesis Of Hodgkin's Lymphoma, Rajendra Ghardbaran
Publications and Research
Syndecans (SDC, SYND) comprise a group of four structurally related type 1 transmembrane heparan sulfate proteoglycans (HSPGs) that play important roles in tumorigenic processes. SDCs exert signaling via their protein cores and their conserved transmembrane and cytoplasmic domains or by forming complexes with growth factors (GFs). In classical Hodgkin's lymphoma (cHL), a lymphoid neoplasm of predominantly B cell origin, SDC1 and SDC4 are the active SDCs, and a number of GF (vascular endothelial growth factor, fibroblast growth factor, etc.) signaling pathways have been studied. However, despite extensive pre-clinical and clinical research on SDC-mediated GF signaling in many cancer types, there …
Pediatric Statin Administration: Navigating A Frontier With Limited Data., Jonathan B. Wagner, Susan M. Abdel-Rahman
Pediatric Statin Administration: Navigating A Frontier With Limited Data., Jonathan B. Wagner, Susan M. Abdel-Rahman
Manuscripts, Articles, Book Chapters and Other Papers
Increasingly, children and adolescents with dyslipidemia qualify for pharmacologic intervention. As they are for adults, 3-hydroxy-3-methyl-glutaryl-coenzyme A reductase inhibitors (statins) are the mainstay of pediatric dyslipidemia treatment when lifestyle modifications have failed. Despite the overall success of these drugs, the magnitude of variability in dose-exposure-response profiles contributes to adverse events and treatment failure. In children, the cause of treatment failures remains unclear. This review describes the updated guidelines for screening and management of pediatric dyslipidemia and statin disposition pathway to assist the provider in recognizing scenarios where alterations in dosage may be warranted to meet patients' specific needs.
Clinical Care Of Incarcerated People With Hiv, Viral Hepatitis, Or Tuberculosis, Josiah D. Rich, Curt G. Beckwith, Alexandria Macmadu, Brandon D L Marshall, Lauren Brinkley-Rubinstein, Joseph J. Amon, M-J Milloy, Maximilian R F King, Jorge Sanchez, Lukoye Atwoli
Clinical Care Of Incarcerated People With Hiv, Viral Hepatitis, Or Tuberculosis, Josiah D. Rich, Curt G. Beckwith, Alexandria Macmadu, Brandon D L Marshall, Lauren Brinkley-Rubinstein, Joseph J. Amon, M-J Milloy, Maximilian R F King, Jorge Sanchez, Lukoye Atwoli
Internal Medicine, East Africa
The burden of HIV/AIDS and other transmissible diseases is higher in prison and jail settings than in the non-incarcerated communities that surround them. In this comprehensive review, we discuss available literature on the topic of clinical management of people infected with HIV, hepatitis B and C viruses, and tuberculosis in incarcerated settings in addition to co-occurrence of one or more of these infections. Methods such as screening practices and provision of treatment during detainment periods are reviewed to identify the effect of community-based treatment when returning inmates into the general population. Where data are available, we describe differences in the …
A Murine Model Of Inflammation-Induced Cerebral Microbleeds, Rachita K. Sumbria, Mher Mahoney Grigoryan, Vitaly Vasilevko, Tatiana B. Krasieva, Miriam Scadeng, Alexandra K. Dvornikova, Annlia Paganini-Hill, Ronald Kim, David H. Cribbs, Mark J. Fisher
A Murine Model Of Inflammation-Induced Cerebral Microbleeds, Rachita K. Sumbria, Mher Mahoney Grigoryan, Vitaly Vasilevko, Tatiana B. Krasieva, Miriam Scadeng, Alexandra K. Dvornikova, Annlia Paganini-Hill, Ronald Kim, David H. Cribbs, Mark J. Fisher
Pharmacy Faculty Articles and Research
Background: Cerebral microhemorrhages (CMH) are tiny deposits of blood degradation products in the brain and are pathological substrates of cerebral microbleeds. The existing CMH animal models are β-amyloid-, hypoxic brain injury-, or hypertension-induced. Recent evidence shows that CMH develop independently of hypoxic brain injury, hypertension, or amyloid deposition and CMH are associated with normal aging, sepsis, and neurodegenerative conditions. One common factor among the above pathologies is inflammation, and recent clinical studies show a link between systemic inflammation and CMH. Hence, we hypothesize that inflammation induces CMH development and thus, lipopolysaccharide (LPS)-induced CMH may be an appropriate model to …
Regulation Of Polycystin-1 Function By Calmodulin Binding, Nicholas Doerr, Yidi Wang, Kevin R. Kipp, Guangyi Liu, Jesse J. Benza, Vladimir Pletnev, Tengis S. Pavlov, Alexander Staruschenko, Ashraf M. Mohieldin, Maki Takahashi, Surya M. Nauli, Thomas Weimbs
Regulation Of Polycystin-1 Function By Calmodulin Binding, Nicholas Doerr, Yidi Wang, Kevin R. Kipp, Guangyi Liu, Jesse J. Benza, Vladimir Pletnev, Tengis S. Pavlov, Alexander Staruschenko, Ashraf M. Mohieldin, Maki Takahashi, Surya M. Nauli, Thomas Weimbs
Pharmacy Faculty Articles and Research
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a common genetic disease that leads to progressive renal cyst growth and loss of renal function, and is caused by mutations in the genes encoding polycystin-1 (PC1) and polycystin-2 (PC2), respectively. The PC1/PC2 complex localizes to primary cilia and can act as a flow-dependent calcium channel in addition to numerous other signaling functions. The exact functions of the polycystins, their regulation and the purpose of the PC1/PC2 channel are still poorly understood. PC1 is an integral membrane protein with a large extracytoplasmic N-terminal domain and a short, ~200 amino acid C-terminal cytoplasmic tail. …
Alzheimer-Related Protein Apl-1 Modulates Lifespan Through Heterochronic Gene Regulation In Caenorhabditis Elegans, Collin Y. Ewald, Vanessa Marfil, Chris Li
Alzheimer-Related Protein Apl-1 Modulates Lifespan Through Heterochronic Gene Regulation In Caenorhabditis Elegans, Collin Y. Ewald, Vanessa Marfil, Chris Li
Publications and Research
Alzheimer’s disease (AD) is an age-associated disease. Mutations in the amyloid precursor protein (APP) may be causative or protective of AD. The presence of two functionally redundant APP-like genes (APLP1/2) has made it difficult to unravel the biological function of APP during aging. The nematode Caenorhabditis elegans contains a single APP family member, apl-1. Here, we assessed the function of APL-1 on C. elegans’ lifespan and found tissue-specific effects on lifespan by overexpression of APL-1. Overexpression of APL-1 in neurons causes lifespan reduction, whereas overexpression of APL-1 in the hypodermis causes lifespan extension by repressing the function of the heterochronic …
Anticancer Effect Of Moringa Oleifera Leaf Extract In Human Cancer Cell Lines, María Del Mar Zayas-Viera, Pablo Vivas-Mejia, Ph.D, Jeyshka Reyes, Phd
Anticancer Effect Of Moringa Oleifera Leaf Extract In Human Cancer Cell Lines, María Del Mar Zayas-Viera, Pablo Vivas-Mejia, Ph.D, Jeyshka Reyes, Phd
Journal of Health Disparities Research and Practice
Many medicinal plants are used as chemo preventives and antitumor agents in numerous experimental models of carcinogenesis. Moringa oleifera is a plant that contains several phytochemicals, which have been used for medical purposes including anti-inflammatory, analgesic, metabolism activator, anti-asthmatic, anti-anemia, hormone-producing, liver protector, and detoxifier, among others. Moringa oleifera extracts have also been proposed as potential anticancer agents. Cancer is one of the main causes of deaths worldwide. Although many drugs exist against several types of cancer, more specific agents with lower side effects are necessary. Few reports exist regarding the antitumor activity of Moringa oleifera leaf extract in cancer …