10000 documents

Experimental and natural SARS-CoV-2 infection of the human pancreas

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

DIRK HOMANN · ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI · 2023 · $418,396 — ABSTRACT The possibility that infection with SARS-CoV-2 may trigger diabetes emerged as a concern in mid 2020. We have addressed this issue by developing a research roadmap that identified complementary areas of investigation according to several broad topics in the realm of relevant basic biomedica…

Mechanisms for post-COVID pituitary damage

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Takako Araki · UNIVERSITY OF MINNESOTA · 2023 · $391,475 — PROJECT SUMMARY COVID-19–related extra-pulmonary damage is common and may even be observed in patients with mild COVID- 19 symptoms. There is an urgent and immediate need to establish optimal post-infection health care strategies for these patients, yet mechanisms underlying their appearance remain …

Intestinal organoid modeling of SARS-CoV-2-stimulated innate and adaptive immunity

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

CALVIN J KUO · STANFORD UNIVERSITY · 2023 · $393,500 — ABSTRACT The COVID-19 pandemic, engendered by the novel coronavirus SARS-CoV-2, is a grave threat to public health, with lung infection and respiratory failure. However, the intestine is also targeted by SARS-CoV-2, as many patients present with GI symptoms and the SARS-CoV-2 receptor angiotensin-co…

Covid 19 cytokine storm

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Sumant Singh Chugh · RUSH UNIVERSITY MEDICAL CENTER · 2023 · $626,464 — Abstract The COVID 19 pandemic has been associated with the development of proteinuria in up to 40% of hospitalized patients. This cardinal manifestation of kidney disease is most likely related to effects of the extensive cytokine storm in these patients on glomeruli, the filtering units of the kid…

Impact of SARS-CoV-2 mediated salivary gland dysfunction on secreted salivary antimicrobial peptides and the risk for oral opportunistic infections

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

MARY ANN Y JABRA-RIZK · UNIVERSITY OF MARYLAND BALTIMORE · 2023 · $193,125 — PROJECT SUMMARY Recently, individuals with COVID-19 were found to harbor replicating SARS-CoV-2 inside salivary epithelial cells resulting in inflammation, architectural distortion, and atrophy of minor and major salivary glands. We have previously demonstrated the importance of histatin-5, a secret…

Regulation of ß(1,3)-glucan exposure in Candida albicans

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Todd B Reynolds · UNIVERSITY OF TENNESSEE KNOXVILLE · 2023 · $508,939 — Candida albicans and related Candida spp. are responsible for ~400,000 invasive infections/year, which have an ~50% mortality rate. A crucial virulence trait of C. albicans, and other fungi, is the ability to diminish their detection by their hosts. The cell wall carbohydrate ß(1,3)-glucan is an imp…

Novel animal models to study organ-specific SARS-CoV-2-induced pathology

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Ekaterina Koroleva · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · 2023 · $278,500 — Accumulating evidence suggest that SARS-CoV-2 infection induces tissue pathology in multiple organs in addition to the lung, including, among others, intestine, heart, liver, kidney, and brain. Furthermore, SARS- CoV-2 infection can exacerbate many chronic inflammatory diseases. However, mouse model…

Transcriptional regulation of ACE2 and the adaption of SARS-CoV-2

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Yiping Zhu · UNIVERSITY OF ROCHESTER · 2023 · $231,000 — ABSTRACT Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of the coronavirus disease 2019 (COVID-19), has caused a global health crisis. Currently effective vaccines are available to prevent SARS- CoV-2 infection, but our options for the treatment of SARS-CoV-2 infec…

Role of Renin-Angiotensin-Aldosterone System during sarcoidosis granuloma formation

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

ELLIOTT D CROUSER · OHIO STATE UNIVERSITY · 2023 · $196,875 — Sarcoidosis is a pulmonary and systemic granulomatous disease of unknown cause. To better understand disease mechanisms, we have recently established a novel in vitro human granuloma model that shares many structural and molecular features of the disease in human tissues, yielding novel insights int…

Four-dimensional Adhesion Frequency Assay for Full Profiling of Receptor-ligand Interactions on Cells

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Yuebing Zheng · UNIVERSITY OF TEXAS AT AUSTIN · 2023 · $379,953 — PROJECT SUMMARY This R01 application is responsive to the NIH initiative PAR-19-253 “Focused Technology Research and Development”. Assays for measuring receptor-ligand affinity are valuable in many areas of biomedical research. The “gold standard” surface plasmon resonance assay is limited to recomb…

Host-microbe interactions and SARS-CoV-2 susceptibility and symptoms in a novel human challenge model

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Matthew Scott Kelly · DUKE UNIVERSITY · 2023 · $241,500 — ABSTRACT SARS-CoV-2, the etiological agent of COVID-19, has been responsible for more than 600 million reported infections and 6.5 million deaths globally. Although several antivirals, monoclonal antibodies, and immunomodulatory treatments improve patient outcomes, mortality from COVID-19 remains un…

Development and characterization of engineered therapeutic antibodies against SARS-CoV-2

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Gaya K. Amarasinghe · WASHINGTON UNIVERSITY · 2023 · $388,750 — Project Summary/Abstract This R01 entitled, “Development and characterization of engineered therapeutic antibodies against SARS-CoV- 2”, builds on our project infrastructure, expertise, and experience in characterizing viral-host factor interactions in negative strand RNA viruses. Since originating …

Affordable Oral Delivery of Human Therapeutic Proteins Bioencapsulated in Plant Cells

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

HENRY DANIELL · UNIVERSITY OF PENNSYLVANIA · 2023 · $739,713 — PROJECT SUMMARY/ABSTRACT Current Protein Drugs (PD) are prohibitively expensive ($140 billion in top ten PDs, >75% of global GDP). One third of global population earning <$2 per day can’t afford any PD. Insulin, a five-decade old drug, is still unaffordable, even in developed countries, as illustra…

Mechanisms of Immune Dysfunction in Oral Post-Acute Sequelae of Covid-19

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Afsar Raza Naqvi · UNIVERSITY OF ILLINOIS AT CHICAGO · 2023 · $581,037 — Abstract Coronavirus disease 2019 (Covid-19) is a viral infection caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), infecting non-vaccinated and vaccinated people. Covid-19 clinically affects multiple organs including oral mucosa where SARS-CoV-2 replication occurs to deposit v…

Initiation of immune responses to SARS COV2 in the oral cavity and upper airway

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

GILL DIAMOND · TULANE UNIVERSITY OF LOUISIANA · 2023 · $764,413 — Abstract Infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19), a life-threatening illness with multi-system involvement in a subset of infected individuals. Oral and nasopharyngeal (NP) epithelial cells express the SARS-CoV-2 receptor…

Viral and immune-mediated CNS pathology during SARS-CoV-2 infection

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Shelli Farhadian · YALE UNIVERSITY · 2023 · $1,230,201 — Project Summary The COVID-19 pandemic has rampantly affected the population of the world and created lasting effects on the economy, health and psyche of the global community. Although it shares similarities with SARS-CoV-1, the full extent of the pathophysiology caused by SARS-CoV-2 is unclear. In …

Structural basis of viral RBDs binding to cell receptors

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Philippe Youkharibache · DIVISION OF BASIC SCIENCES - NCI · 2023 · $40,912 — A significant part of my recent research efforts is focused on studying self-association determinants of molecular systems as revealed by their structural symmetries at several levels: from proteins assemblies to their protein supersecondary structures constituents (protodomains) [Youkharibache 2019…

Mechanisms of immunopathology of COVID-19/ARDS, and strategies to mitigate detrimental inflammatory responses

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Sonja Best · NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES · 2023 · $482,755 — The SARS-CoV-2 global pandemic has a continuing demand for greater understanding of the mechanisms of disease and the development of therapeutics to complement success in vaccination. Several mouse models have emerged that can be used, albeit with limitations, as models of severe SARS-Cov2 infection…

SMCHD1 and epigenetic regulation of ACE2

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Natalie Shaw · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · 2023 · $172,894 — We confirmed increased ACE2 mRNA and protein expression and functional activity (via a fluorometric assay) in SMCHD1 KO human placode cells. We are now conducting molecular and genomic studies, including RNA-seq, Hi-C, and SMCHD1 ChIP-seq, studies to investigate the precise mechanism underlying epig…

Immune Responses to Malaria, HIV and SARS-CoV-2 Infection and Immunization - Service Core

NIH Pandemic-Era Grants · Pandemic Era Grants / 2023

Peter Skene · SEATTLE CHILDREN'S HOSPITAL · 2023 · $815,639 — Abstract The immune system is composed of many heterogeneous cell types that respond in a synergistic manner to mount both immediate and long-lived immunity against pathogens. The complexity of the immune system necessitates an integrated view of multiple biological modalities to understand differen…